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6-K 1 gmab_20250512x6k.htm 6-K Document


UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
OF THE SECURITIES EXCHANGE ACT OF 1934
FOR THE MONTH OF MAY 2025
COMMISSION FILE NUMBER 001-38976
Genmab A/S
(Exact name of Registrant as specified in its charter)
Carl Jacobsens Vej 30
2500 Valby
Denmark
+45 70 20 27 28
(Address of principal executive offices)
Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.
Form 20-F  Form 40-F 
This report on Form 6-K shall be deemed to be incorporated by reference in Genmab A/S’s registration statements on Form S-8 (File No. 333-232693, 333-253519, 333-262970, 333-277273 and 333-284876) and to be a part thereof from the date on which this report is filed, to the extent not superseded by documents or reports subsequently filed or furnished.







EXHIBIT INDEX





SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
GENMAB A/S
BY: /s/ Anthony Pagano
Name: Anthony Pagano
Title: Executive Vice President & Chief Financial Officer

DATE: May 12, 2025


EX-99.1 2 gmab_20250512xex99d1.htm EX-99.1 Document
Exhibit 99.1

gmab_20250512xex99d1001.jpg
Transactions in Connection with Share Buy-back Program
Company Announcement

COPENHAGEN, Denmark; May 12, 2025 – Genmab A/S (Nasdaq: GMAB). On March 25, 2025, Genmab announced the initiation of a share buy-back program to repurchase up to 2.2 million shares to reduce capital and to honor our commitments under the Restricted Stock Unit program. The share buy-back program is expected to be completed no later than July 10, 2025.

The following transactions were executed under the program from May 5 to May 9, 2025:
Trading Platform
No. of shares
Average price (DKK)
Total value (DKK)
Accumulated through last announcement
1,490,773
1,925,442,478.01
May 5, 2025
XCSE
14,083
1,430.54
20,146,253.98
BCXE
AQEU
TQEX
Total
14,083
20,146,253.98
May 6, 2025
XCSE
13,424
1,399.56
18,787,684.04
BCXE
AQEU
TQEX
Total
13,424
18,787,684.04
May 7, 2025
XCSE
26,000
1,373.55
35,712,375.00
BCXE
25,000
1,373.59
34,339,822.50
AQEU
4,000
1,373.09
5,492,376.00
TQEX
5,000
1,373.22
6,866,092.50
Total
60,000
82,410,666.00
May 8, 2025
XCSE
20,000
1,318.08
26,361,664.00
BCXE
AQEU
TQEX
Total
20,000
23,361,664.00
May 9, 2025
XCSE
39,790
1,304.03
51,887,297.99
BCXE
26,500
1304.44
34,567,569.90
AQEU
3,000
1,303.46
3,910,385.53
TQEX
3,000
1,303.57
3,910,709.10
Total
72,290
94,275,962.52
Total
179,797
241,982,230.54
Accumulated under the program
1,670,570
2,167,424,708.55

Details of each transaction are included as an appendix to this announcement.

Following these transactions, Genmab holds 2,122,297 shares as treasury shares, corresponding to 3.31% of the total share capital and voting rights.
Genmab A/S
Carl Jacobsens Vej 30
2500 Valby, Denmark
Tel: +45 7020 2728
www.genmab.com
Company Announcement no. 26
Page 1/2
CVR no. 2102 3884
LEI Code 529900MTJPDPE4MHJ122



gmab_20250512xex99d1001.jpg
Transactions in Connection with Share Buy-back Program


The share buy-back program is undertaken in accordance with Regulation (EU) No. 596/2014 (‘MAR’) and the Commission Delegated Regulation (EU) 2016/1052, also referred to as the “Safe Harbour Regulation.” Further details on the terms of the share buy-back program can be found in our company announcement no. 14 dated March 25, 2025.

About Genmab
Genmab is an international biotechnology company with a core purpose of guiding its unstoppable team to strive toward improving the lives of patients with innovative and differentiated antibody therapeutics. For more than 25 years, its passionate, innovative and collaborative team has invented next-generation antibody technology platforms and leveraged translational, quantitative and data sciences, resulting in a proprietary pipeline including bispecific T-cell engagers, antibody-drug conjugates, next-generation immune checkpoint modulators and effector function-enhanced antibodies. By 2030, Genmab’s vision is to transform the lives of people with cancer and other serious diseases with knock-your-socks-off (KYSO) antibody medicines®. 
 
Established in 1999, Genmab is headquartered in Copenhagen, Denmark, with international presence across North America, Europe and Asia Pacific. For more information, please visit Genmab.com and follow us on LinkedIn and X.
Contact:    
Marisol Peron, Senior Vice President, Global Communications & Corporate Affairs
T: +1 609 524 0065; E: mmp@genmab.com

Andrew Carlsen, Vice President, Head of Investor Relations
T: +45 3377 9558; E: acn@genmab.com

The Company Announcement contains forward looking statements. The words “believe,” “expect,” “anticipate,” “intend” and “plan” and similar expressions identify forward looking statements. Actual results or performance may differ materially from any future results or performance expressed or implied by such statements. The important factors that could cause our actual results or performance to differ materially include, among others, risks associated with pre-clinical and clinical development of products, uncertainties related to the outcome and conduct of clinical trials including unforeseen safety issues, uncertainties related to product manufacturing, the lack of market acceptance of our products, our inability to manage growth, the competitive environment in relation to our business area and markets, our inability to attract and retain suitably qualified personnel, the unenforceability or lack of protection of our patents and proprietary rights, our relationships with affiliated entities, changes and developments in technology which may render our products or technologies obsolete, and other factors. For a further discussion of these risks, please refer to the risk management sections in Genmab’s most recent financial reports, which are available on www.genmab.com and the risk factors included in Genmab’s most recent Annual Report on Form 20-F and other filings with the U.S. Securities and Exchange Commission (SEC), which are available at www.sec.gov. Genmab does not undertake any obligation to update or revise forward looking statements in the Company Announcement nor to confirm such statements to reflect subsequent events or circumstances after the date made or in relation to actual results, unless required by law.

Genmab A/S and/or its subsidiaries own the following trademarks: Genmab®; the Y-shaped Genmab logo®; Genmab in combination with the Y-shaped Genmab logo®; HuMax®; DuoBody®; HexaBody®; DuoHexaBody®, HexElect® and KYSO®.
Genmab A/S
Carl Jacobsens Vej 30
2500 Valby, Denmark
Tel: +45 7020 2728
www.genmab.com
Company Announcement no. 26
Page 2/2
CVR no. 2102 3884
LEI Code 529900MTJPDPE4MHJ122
EX-99.1A 3 gmab_20250512ex99d1a.htm EX-99.1A Document
Exhibit 99.1(a)

gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
Issuer Date Time CET Quantity Price (DKK) Venue
GENMAB A/S 05-May-2025 09:32:27 AM 85 1431.50 XCSE
GENMAB A/S 05-May-2025 09:36:46 AM 54 1433.50 XCSE
GENMAB A/S 05-May-2025 09:40:53 AM 41 1434.50 XCSE
GENMAB A/S 05-May-2025 09:42:03 AM 31 1433.50 XCSE
GENMAB A/S 05-May-2025 09:42:03 AM 4 1432.50 XCSE
GENMAB A/S 05-May-2025 09:42:05 AM 32 1432.50 XCSE
GENMAB A/S 05-May-2025 09:59:06 AM 27 1433.00 XCSE
GENMAB A/S 05-May-2025 10:02:17 AM 27 1434.00 XCSE
GENMAB A/S 05-May-2025 10:05:34 AM 32 1433.00 XCSE
GENMAB A/S 05-May-2025 10:15:30 AM 87 1433.50 XCSE
GENMAB A/S 05-May-2025 10:19:49 AM 81 1433.50 XCSE
GENMAB A/S 05-May-2025 10:29:47 AM 85 1435.50 XCSE
GENMAB A/S 05-May-2025 10:30:28 AM 86 1437.00 XCSE
GENMAB A/S 05-May-2025 10:41:49 AM 88 1438.50 XCSE
GENMAB A/S 05-May-2025 10:46:50 AM 81 1437.50 XCSE
GENMAB A/S 05-May-2025 10:47:07 AM 79 1436.50 XCSE
GENMAB A/S 05-May-2025 10:50:18 AM 83 1436.00 XCSE
GENMAB A/S 05-May-2025 10:52:22 AM 82 1437.00 XCSE
GENMAB A/S 05-May-2025 10:53:42 AM 62 1436.00 XCSE
GENMAB A/S 05-May-2025 10:54:31 AM 87 1436.00 XCSE
GENMAB A/S 05-May-2025 10:56:26 AM 76 1436.00 XCSE
GENMAB A/S 05-May-2025 10:57:50 AM 33 1436.00 XCSE
GENMAB A/S 05-May-2025 10:57:50 AM 42 1436.00 XCSE
GENMAB A/S 05-May-2025 11:00:37 AM 26 1436.00 XCSE
GENMAB A/S 05-May-2025 11:00:37 AM 37 1436.00 XCSE
GENMAB A/S 05-May-2025 11:00:37 AM 3 1436.00 XCSE
GENMAB A/S 05-May-2025 11:01:10 AM 32 1436.00 XCSE
GENMAB A/S 05-May-2025 11:07:48 AM 24 1436.00 XCSE
GENMAB A/S 05-May-2025 11:07:48 AM 8 1436.00 XCSE
GENMAB A/S 05-May-2025 11:20:05 AM 87 1437.00 XCSE
GENMAB A/S 05-May-2025 11:21:52 AM 79 1437.00 XCSE
GENMAB A/S 05-May-2025 11:24:53 AM 70 1437.00 XCSE
GENMAB A/S 05-May-2025 11:30:49 AM 53 1437.50 XCSE
GENMAB A/S 05-May-2025 11:38:27 AM 53 1437.50 XCSE
GENMAB A/S 05-May-2025 11:46:32 AM 85 1438.00 XCSE
GENMAB A/S 05-May-2025 11:49:03 AM 65 1437.00 XCSE
GENMAB A/S 05-May-2025 11:56:32 AM 64 1438.00 XCSE
GENMAB A/S 05-May-2025 11:59:00 AM 41 1438.00 XCSE
GENMAB A/S 05-May-2025 11:59:00 AM 9 1438.00 XCSE
GENMAB A/S 05-May-2025 11:59:24 AM 26 1437.00 XCSE
GENMAB A/S 05-May-2025 12:00:00 PM 29 1437.00 XCSE
1




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 05-May-2025 12:00:05 PM 82 1436.00 XCSE
GENMAB A/S 05-May-2025 12:03:34 PM 26 1435.00 XCSE
GENMAB A/S 05-May-2025 12:04:42 PM 33 1434.00 XCSE
GENMAB A/S 05-May-2025 12:04:42 PM 9 1434.00 XCSE
GENMAB A/S 05-May-2025 12:08:07 PM 28 1433.00 XCSE
GENMAB A/S 05-May-2025 12:16:22 PM 88 1432.50 XCSE
GENMAB A/S 05-May-2025 12:16:25 PM 48 1431.50 XCSE
GENMAB A/S 05-May-2025 12:17:46 PM 85 1430.50 XCSE
GENMAB A/S 05-May-2025 12:21:58 PM 85 1430.00 XCSE
GENMAB A/S 05-May-2025 12:21:58 PM 56 1429.00 XCSE
GENMAB A/S 05-May-2025 12:21:58 PM 28 1429.00 XCSE
GENMAB A/S 05-May-2025 12:21:58 PM 18 1428.50 XCSE
GENMAB A/S 05-May-2025 12:21:58 PM 12 1428.50 XCSE
GENMAB A/S 05-May-2025 12:21:58 PM 50 1428.50 XCSE
GENMAB A/S 05-May-2025 12:21:58 PM 11 1428.50 XCSE
GENMAB A/S 05-May-2025 12:21:58 PM 10 1428.50 XCSE
GENMAB A/S 05-May-2025 12:22:05 PM 44 1429.00 XCSE
GENMAB A/S 05-May-2025 12:22:05 PM 11 1429.00 XCSE
GENMAB A/S 05-May-2025 12:22:05 PM 10 1429.00 XCSE
GENMAB A/S 05-May-2025 12:22:05 PM 11 1429.00 XCSE
GENMAB A/S 05-May-2025 12:22:05 PM 15 1429.00 XCSE
GENMAB A/S 05-May-2025 12:22:11 PM 59 1429.00 XCSE
GENMAB A/S 05-May-2025 12:22:11 PM 32 1429.00 XCSE
GENMAB A/S 05-May-2025 12:25:28 PM 84 1428.00 XCSE
GENMAB A/S 05-May-2025 12:25:28 PM 11 1428.50 XCSE
GENMAB A/S 05-May-2025 12:25:28 PM 15 1428.50 XCSE
GENMAB A/S 05-May-2025 12:31:42 PM 67 1429.50 XCSE
GENMAB A/S 05-May-2025 12:31:42 PM 14 1429.50 XCSE
GENMAB A/S 05-May-2025 12:33:55 PM 13 1428.50 XCSE
GENMAB A/S 05-May-2025 12:33:55 PM 69 1428.50 XCSE
GENMAB A/S 05-May-2025 12:53:05 PM 85 1429.50 XCSE
GENMAB A/S 05-May-2025 12:53:05 PM 88 1428.50 XCSE
GENMAB A/S 05-May-2025 12:53:05 PM 59 1429.00 XCSE
GENMAB A/S 05-May-2025 12:53:05 PM 51 1429.00 XCSE
GENMAB A/S 05-May-2025 12:53:16 PM 85 1429.50 XCSE
GENMAB A/S 05-May-2025 12:53:16 PM 62 1429.50 XCSE
GENMAB A/S 05-May-2025 12:53:16 PM 18 1429.50 XCSE
GENMAB A/S 05-May-2025 12:54:19 PM 4 1429.50 XCSE
GENMAB A/S 05-May-2025 12:54:19 PM 12 1429.50 XCSE
GENMAB A/S 05-May-2025 12:56:03 PM 87 1428.50 XCSE
GENMAB A/S 05-May-2025 12:56:03 PM 34 1429.00 XCSE
GENMAB A/S 05-May-2025 12:56:03 PM 14 1429.00 XCSE
2




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 05-May-2025 12:56:03 PM 12 1429.00 XCSE
GENMAB A/S 05-May-2025 12:56:03 PM 10 1429.00 XCSE
GENMAB A/S 05-May-2025 12:56:03 PM 12 1429.00 XCSE
GENMAB A/S 05-May-2025 12:56:25 PM 86 1428.50 XCSE
GENMAB A/S 05-May-2025 12:58:53 PM 85 1429.00 XCSE
GENMAB A/S 05-May-2025 13:01:42 PM 84 1430.00 XCSE
GENMAB A/S 05-May-2025 13:12:15 PM 86 1431.00 XCSE
GENMAB A/S 05-May-2025 13:18:52 PM 82 1431.00 XCSE
GENMAB A/S 05-May-2025 13:19:54 PM 86 1431.00 XCSE
GENMAB A/S 05-May-2025 13:24:59 PM 21 1431.00 XCSE
GENMAB A/S 05-May-2025 13:24:59 PM 66 1431.00 XCSE
GENMAB A/S 05-May-2025 13:25:11 PM 21 1430.00 XCSE
GENMAB A/S 05-May-2025 13:26:41 PM 65 1430.00 XCSE
GENMAB A/S 05-May-2025 14:05:20 PM 55 1433.50 XCSE
GENMAB A/S 05-May-2025 14:05:20 PM 29 1433.50 XCSE
GENMAB A/S 05-May-2025 14:13:49 PM 81 1433.50 XCSE
GENMAB A/S 05-May-2025 14:13:49 PM 5 1433.50 XCSE
GENMAB A/S 05-May-2025 14:17:41 PM 86 1432.50 XCSE
GENMAB A/S 05-May-2025 14:22:01 PM 83 1431.50 XCSE
GENMAB A/S 05-May-2025 14:31:03 PM 82 1433.00 XCSE
GENMAB A/S 05-May-2025 14:36:44 PM 87 1433.00 XCSE
GENMAB A/S 05-May-2025 14:44:33 PM 81 1435.50 XCSE
GENMAB A/S 05-May-2025 14:46:35 PM 86 1437.00 XCSE
GENMAB A/S 05-May-2025 14:51:04 PM 2 1436.00 XCSE
GENMAB A/S 05-May-2025 14:53:03 PM 82 1438.00 XCSE
GENMAB A/S 05-May-2025 14:57:42 PM 44 1437.00 XCSE
GENMAB A/S 05-May-2025 14:57:42 PM 41 1437.00 XCSE
GENMAB A/S 05-May-2025 15:02:01 PM 36 1438.50 XCSE
GENMAB A/S 05-May-2025 15:02:14 PM 36 1438.50 XCSE
GENMAB A/S 05-May-2025 15:02:25 PM 62 1439.00 XCSE
GENMAB A/S 05-May-2025 15:02:25 PM 60 1439.00 XCSE
GENMAB A/S 05-May-2025 15:05:28 PM 26 1438.50 XCSE
GENMAB A/S 05-May-2025 15:05:28 PM 57 1438.50 XCSE
GENMAB A/S 05-May-2025 15:08:19 PM 17 1438.00 XCSE
GENMAB A/S 05-May-2025 15:08:19 PM 28 1438.00 XCSE
GENMAB A/S 05-May-2025 15:08:22 PM 40 1438.00 XCSE
GENMAB A/S 05-May-2025 15:08:22 PM 42 1438.00 XCSE
GENMAB A/S 05-May-2025 15:08:39 PM 40 1438.00 XCSE
GENMAB A/S 05-May-2025 15:10:20 PM 33 1438.00 XCSE
GENMAB A/S 05-May-2025 15:10:21 PM 4 1438.00 XCSE
GENMAB A/S 05-May-2025 15:10:21 PM 26 1438.00 XCSE
GENMAB A/S 05-May-2025 15:10:59 PM 11 1438.50 XCSE
3




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 05-May-2025 15:10:59 PM 11 1438.50 XCSE
GENMAB A/S 05-May-2025 15:10:59 PM 4 1438.50 XCSE
GENMAB A/S 05-May-2025 15:14:09 PM 2 1438.00 XCSE
GENMAB A/S 05-May-2025 15:14:09 PM 86 1438.00 XCSE
GENMAB A/S 05-May-2025 15:14:14 PM 86 1439.50 XCSE
GENMAB A/S 05-May-2025 15:14:23 PM 45 1440.50 XCSE
GENMAB A/S 05-May-2025 15:14:23 PM 38 1440.50 XCSE
GENMAB A/S 05-May-2025 15:14:23 PM 12 1440.50 XCSE
GENMAB A/S 05-May-2025 15:14:23 PM 10 1440.50 XCSE
GENMAB A/S 05-May-2025 15:14:23 PM 5 1440.50 XCSE
GENMAB A/S 05-May-2025 15:14:23 PM 7 1440.50 XCSE
GENMAB A/S 05-May-2025 15:14:23 PM 14 1440.50 XCSE
GENMAB A/S 05-May-2025 15:14:23 PM 10 1440.50 XCSE
GENMAB A/S 05-May-2025 15:14:23 PM 10 1440.50 XCSE
GENMAB A/S 05-May-2025 15:14:23 PM 15 1440.50 XCSE
GENMAB A/S 05-May-2025 15:14:54 PM 86 1439.50 XCSE
GENMAB A/S 05-May-2025 15:15:02 PM 84 1439.50 XCSE
GENMAB A/S 05-May-2025 15:15:27 PM 84 1438.50 XCSE
GENMAB A/S 05-May-2025 15:18:05 PM 37 1439.00 XCSE
GENMAB A/S 05-May-2025 15:18:05 PM 32 1438.50 XCSE
GENMAB A/S 05-May-2025 15:20:11 PM 88 1438.00 XCSE
GENMAB A/S 05-May-2025 15:24:03 PM 38 1437.50 XCSE
GENMAB A/S 05-May-2025 15:24:03 PM 11 1437.50 XCSE
GENMAB A/S 05-May-2025 15:24:03 PM 85 1437.00 XCSE
GENMAB A/S 05-May-2025 15:24:40 PM 81 1436.00 XCSE
GENMAB A/S 05-May-2025 15:24:40 PM 83 1435.00 XCSE
GENMAB A/S 05-May-2025 15:25:20 PM 86 1434.50 XCSE
GENMAB A/S 05-May-2025 15:25:20 PM 85 1433.50 XCSE
GENMAB A/S 05-May-2025 15:26:19 PM 83 1433.50 XCSE
GENMAB A/S 05-May-2025 15:27:13 PM 81 1433.50 XCSE
GENMAB A/S 05-May-2025 15:28:00 PM 20 1432.50 XCSE
GENMAB A/S 05-May-2025 15:28:00 PM 52 1432.50 XCSE
GENMAB A/S 05-May-2025 15:28:00 PM 14 1432.50 XCSE
GENMAB A/S 05-May-2025 15:30:10 PM 83 1432.50 XCSE
GENMAB A/S 05-May-2025 15:30:10 PM 56 1431.00 XCSE
GENMAB A/S 05-May-2025 15:30:10 PM 28 1431.00 XCSE
GENMAB A/S 05-May-2025 15:30:37 PM 96 1432.00 XCSE
GENMAB A/S 05-May-2025 15:30:37 PM 14 1432.00 XCSE
GENMAB A/S 05-May-2025 15:30:50 PM 88 1431.00 XCSE
GENMAB A/S 05-May-2025 15:31:03 PM 85 1430.00 XCSE
GENMAB A/S 05-May-2025 15:31:03 PM 35 1429.00 XCSE
GENMAB A/S 05-May-2025 15:31:03 PM 10 1429.00 XCSE
4




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 05-May-2025 15:31:03 PM 37 1429.00 XCSE
GENMAB A/S 05-May-2025 15:31:14 PM 19 1429.50 XCSE
GENMAB A/S 05-May-2025 15:31:14 PM 38 1429.50 XCSE
GENMAB A/S 05-May-2025 15:31:44 PM 85 1429.00 XCSE
GENMAB A/S 05-May-2025 15:32:16 PM 38 1430.50 XCSE
GENMAB A/S 05-May-2025 15:32:16 PM 11 1430.50 XCSE
GENMAB A/S 05-May-2025 15:32:16 PM 11 1430.50 XCSE
GENMAB A/S 05-May-2025 15:32:22 PM 12 1430.00 XCSE
GENMAB A/S 05-May-2025 15:32:30 PM 3 1429.50 XCSE
GENMAB A/S 05-May-2025 15:33:26 PM 85 1429.00 XCSE
GENMAB A/S 05-May-2025 15:33:57 PM 10 1428.00 XCSE
GENMAB A/S 05-May-2025 15:33:57 PM 5 1428.00 XCSE
GENMAB A/S 05-May-2025 15:33:57 PM 66 1428.00 XCSE
GENMAB A/S 05-May-2025 15:35:13 PM 2 1427.00 XCSE
GENMAB A/S 05-May-2025 15:35:13 PM 5 1427.00 XCSE
GENMAB A/S 05-May-2025 15:35:13 PM 5 1427.00 XCSE
GENMAB A/S 05-May-2025 15:35:13 PM 12 1427.00 XCSE
GENMAB A/S 05-May-2025 15:35:13 PM 61 1427.00 XCSE
GENMAB A/S 05-May-2025 15:35:58 PM 38 1429.50 XCSE
GENMAB A/S 05-May-2025 15:35:58 PM 12 1429.50 XCSE
GENMAB A/S 05-May-2025 15:35:58 PM 11 1429.50 XCSE
GENMAB A/S 05-May-2025 15:35:58 PM 12 1429.50 XCSE
GENMAB A/S 05-May-2025 15:35:58 PM 10 1429.50 XCSE
GENMAB A/S 05-May-2025 15:35:58 PM 11 1429.50 XCSE
GENMAB A/S 05-May-2025 15:35:58 PM 16 1429.50 XCSE
GENMAB A/S 05-May-2025 15:37:13 PM 17 1429.00 XCSE
GENMAB A/S 05-May-2025 15:38:40 PM 85 1430.00 XCSE
GENMAB A/S 05-May-2025 15:38:40 PM 5 1429.00 XCSE
GENMAB A/S 05-May-2025 15:38:40 PM 32 1429.00 XCSE
GENMAB A/S 05-May-2025 15:38:40 PM 29 1429.00 XCSE
GENMAB A/S 05-May-2025 15:38:40 PM 46 1428.00 XCSE
GENMAB A/S 05-May-2025 15:39:56 PM 86 1429.50 XCSE
GENMAB A/S 05-May-2025 15:40:12 PM 40 1428.00 XCSE
GENMAB A/S 05-May-2025 15:40:12 PM 85 1427.00 XCSE
GENMAB A/S 05-May-2025 15:42:11 PM 56 1427.00 XCSE
GENMAB A/S 05-May-2025 15:42:11 PM 31 1427.00 XCSE
GENMAB A/S 05-May-2025 15:46:26 PM 82 1429.50 XCSE
GENMAB A/S 05-May-2025 15:47:26 PM 8 1428.50 XCSE
GENMAB A/S 05-May-2025 15:47:26 PM 75 1428.50 XCSE
GENMAB A/S 05-May-2025 15:48:09 PM 80 1428.50 XCSE
GENMAB A/S 05-May-2025 15:50:21 PM 10 1428.50 XCSE
GENMAB A/S 05-May-2025 15:50:21 PM 73 1428.50 XCSE
5




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 05-May-2025 15:50:22 PM 87 1427.50 XCSE
GENMAB A/S 05-May-2025 15:51:46 PM 86 1426.00 XCSE
GENMAB A/S 05-May-2025 15:52:18 PM 39 1425.00 XCSE
GENMAB A/S 05-May-2025 15:52:18 PM 30 1424.00 XCSE
GENMAB A/S 05-May-2025 15:53:11 PM 26 1422.50 XCSE
GENMAB A/S 05-May-2025 15:53:11 PM 54 1421.50 XCSE
GENMAB A/S 05-May-2025 15:58:21 PM 56 1421.50 XCSE
GENMAB A/S 05-May-2025 15:58:21 PM 3 1421.50 XCSE
GENMAB A/S 05-May-2025 15:58:23 PM 22 1421.50 XCSE
GENMAB A/S 05-May-2025 15:58:53 PM 85 1421.50 XCSE
GENMAB A/S 05-May-2025 15:59:27 PM 56 1420.50 XCSE
GENMAB A/S 05-May-2025 15:59:55 PM 46 1420.50 XCSE
GENMAB A/S 05-May-2025 15:59:59 PM 41 1420.50 XCSE
GENMAB A/S 05-May-2025 16:00:08 PM 5 1421.50 XCSE
GENMAB A/S 05-May-2025 16:00:25 PM 24 1422.00 XCSE
GENMAB A/S 05-May-2025 16:00:25 PM 14 1422.00 XCSE
GENMAB A/S 05-May-2025 16:03:10 PM 11 1423.00 XCSE
GENMAB A/S 05-May-2025 16:03:10 PM 34 1423.00 XCSE
GENMAB A/S 05-May-2025 16:03:10 PM 20 1422.50 XCSE
GENMAB A/S 05-May-2025 16:03:10 PM 68 1422.50 XCSE
GENMAB A/S 05-May-2025 16:03:10 PM 13 1422.00 XCSE
GENMAB A/S 05-May-2025 16:03:48 PM 24 1421.50 XCSE
GENMAB A/S 05-May-2025 16:03:48 PM 59 1421.50 XCSE
GENMAB A/S 05-May-2025 16:03:48 PM 34 1422.00 XCSE
GENMAB A/S 05-May-2025 16:03:48 PM 12 1422.00 XCSE
GENMAB A/S 05-May-2025 16:03:48 PM 11 1422.00 XCSE
GENMAB A/S 05-May-2025 16:03:48 PM 32 1422.00 XCSE
GENMAB A/S 05-May-2025 16:03:48 PM 2 1422.00 XCSE
GENMAB A/S 05-May-2025 16:04:10 PM 7 1420.50 XCSE
GENMAB A/S 05-May-2025 16:04:10 PM 75 1420.50 XCSE
GENMAB A/S 05-May-2025 16:06:05 PM 58 1420.00 XCSE
GENMAB A/S 05-May-2025 16:06:05 PM 27 1420.00 XCSE
GENMAB A/S 05-May-2025 16:06:23 PM 23 1419.00 XCSE
GENMAB A/S 05-May-2025 16:06:23 PM 62 1419.00 XCSE
GENMAB A/S 05-May-2025 16:13:31 PM 2 1422.00 XCSE
GENMAB A/S 05-May-2025 16:13:31 PM 2 1422.00 XCSE
GENMAB A/S 05-May-2025 16:13:31 PM 2 1422.00 XCSE
GENMAB A/S 05-May-2025 16:14:40 PM 19 1421.50 XCSE
GENMAB A/S 05-May-2025 16:16:30 PM 21 1423.50 XCSE
GENMAB A/S 05-May-2025 16:16:30 PM 45 1423.50 XCSE
GENMAB A/S 05-May-2025 16:16:30 PM 42 1423.50 XCSE
GENMAB A/S 05-May-2025 16:16:30 PM 2 1423.50 XCSE
6




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 05-May-2025 16:17:23 PM 82 1423.50 XCSE
GENMAB A/S 05-May-2025 16:17:46 PM 34 1423.50 XCSE
GENMAB A/S 05-May-2025 16:17:46 PM 12 1423.50 XCSE
GENMAB A/S 05-May-2025 16:17:46 PM 5 1423.50 XCSE
GENMAB A/S 05-May-2025 16:17:46 PM 32 1422.50 XCSE
GENMAB A/S 05-May-2025 16:17:46 PM 49 1422.50 XCSE
GENMAB A/S 05-May-2025 16:20:12 PM 40 1423.50 XCSE
GENMAB A/S 05-May-2025 16:21:01 PM 51 1424.00 XCSE
GENMAB A/S 05-May-2025 16:21:01 PM 14 1424.00 XCSE
GENMAB A/S 05-May-2025 16:23:33 PM 29 1423.50 XCSE
GENMAB A/S 05-May-2025 16:23:33 PM 34 1423.50 XCSE
GENMAB A/S 05-May-2025 16:23:33 PM 14 1423.50 XCSE
GENMAB A/S 05-May-2025 16:23:33 PM 32 1423.50 XCSE
GENMAB A/S 05-May-2025 16:23:33 PM 1 1423.50 XCSE
GENMAB A/S 05-May-2025 16:24:49 PM 81 1422.50 XCSE
GENMAB A/S 05-May-2025 16:24:50 PM 66 1421.50 XCSE
GENMAB A/S 05-May-2025 16:26:51 PM 41 1422.00 XCSE
GENMAB A/S 05-May-2025 16:29:57 PM 34 1423.50 XCSE
GENMAB A/S 05-May-2025 16:29:57 PM 15 1423.50 XCSE
GENMAB A/S 05-May-2025 16:29:57 PM 10 1423.50 XCSE
GENMAB A/S 05-May-2025 16:29:57 PM 13 1423.50 XCSE
GENMAB A/S 05-May-2025 16:29:57 PM 13 1423.50 XCSE
GENMAB A/S 05-May-2025 16:30:30 PM 115 1423.50 XCSE
GENMAB A/S 05-May-2025 16:31:06 PM 82 1423.00 XCSE
GENMAB A/S 05-May-2025 16:31:06 PM 13 1423.50 XCSE
GENMAB A/S 05-May-2025 16:31:06 PM 13 1423.50 XCSE
GENMAB A/S 05-May-2025 16:32:06 PM 153 1424.00 XCSE
GENMAB A/S 05-May-2025 16:33:15 PM 54 1426.00 XCSE
GENMAB A/S 05-May-2025 16:33:15 PM 8 1426.00 XCSE
GENMAB A/S 05-May-2025 16:34:51 PM 12 1426.50 XCSE
GENMAB A/S 05-May-2025 16:34:59 PM 36 1427.00 XCSE
GENMAB A/S 05-May-2025 16:34:59 PM 20 1427.00 XCSE
GENMAB A/S 05-May-2025 16:36:34 PM 50 1428.50 XCSE
GENMAB A/S 05-May-2025 16:36:39 PM 41 1429.50 XCSE
GENMAB A/S 05-May-2025 16:36:39 PM 35 1429.50 XCSE
GENMAB A/S 05-May-2025 16:36:39 PM 18 1429.50 XCSE
GENMAB A/S 05-May-2025 16:37:58 PM 36 1429.00 XCSE
GENMAB A/S 05-May-2025 16:37:58 PM 23 1429.00 XCSE
GENMAB A/S 05-May-2025 16:37:58 PM 10 1429.00 XCSE
GENMAB A/S 05-May-2025 16:37:58 PM 13 1429.00 XCSE
GENMAB A/S 05-May-2025 16:37:58 PM 13 1429.00 XCSE
GENMAB A/S 05-May-2025 16:40:09 PM 1 1430.00 XCSE
7




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 05-May-2025 16:40:09 PM 29 1430.00 XCSE
GENMAB A/S 05-May-2025 16:40:09 PM 32 1430.00 XCSE
GENMAB A/S 05-May-2025 16:40:09 PM 30 1430.00 XCSE
GENMAB A/S 05-May-2025 16:40:09 PM 12 1430.00 XCSE
GENMAB A/S 05-May-2025 16:40:23 PM 73 1429.00 XCSE
GENMAB A/S 05-May-2025 16:40:23 PM 60 1429.00 XCSE
GENMAB A/S 05-May-2025 16:40:23 PM 13 1429.00 XCSE
GENMAB A/S 05-May-2025 16:40:23 PM 3 1429.50 XCSE
GENMAB A/S 05-May-2025 16:40:30 PM 83 1428.00 XCSE
GENMAB A/S 05-May-2025 16:40:39 PM 26 1427.00 XCSE
GENMAB A/S 05-May-2025 16:41:44 PM 27 1427.00 XCSE
GENMAB A/S 05-May-2025 16:43:24 PM 15 1428.00 XCSE
GENMAB A/S 05-May-2025 16:43:24 PM 13 1428.00 XCSE
GENMAB A/S 05-May-2025 16:43:24 PM 13 1428.00 XCSE
GENMAB A/S 05-May-2025 16:43:24 PM 56 1428.00 XCSE
GENMAB A/S 05-May-2025 16:43:24 PM 36 1428.00 XCSE
GENMAB A/S 05-May-2025 16:43:24 PM 13 1428.00 XCSE
GENMAB A/S 05-May-2025 16:43:24 PM 30 1428.00 XCSE
GENMAB A/S 05-May-2025 16:45:04 PM 32 1428.00 XCSE
GENMAB A/S 05-May-2025 16:45:27 PM 26 1428.00 XCSE
GENMAB A/S 05-May-2025 16:45:27 PM 10 1428.00 XCSE
GENMAB A/S 05-May-2025 16:46:04 PM 26 1427.00 XCSE
GENMAB A/S 05-May-2025 16:46:04 PM 41 1427.00 XCSE
GENMAB A/S 05-May-2025 16:46:09 PM 16 1427.00 XCSE
GENMAB A/S 05-May-2025 16:46:09 PM 13 1427.00 XCSE
GENMAB A/S 05-May-2025 16:46:09 PM 12 1427.00 XCSE
GENMAB A/S 05-May-2025 16:46:09 PM 36 1427.00 XCSE
GENMAB A/S 05-May-2025 16:46:09 PM 11 1427.00 XCSE
GENMAB A/S 05-May-2025 16:46:09 PM 12 1427.00 XCSE
GENMAB A/S 05-May-2025 16:46:16 PM 28 1426.00 XCSE
GENMAB A/S 05-May-2025 16:46:16 PM 32 1426.50 XCSE
GENMAB A/S 05-May-2025 16:49:40 PM 39 1427.00 XCSE
GENMAB A/S 05-May-2025 16:49:40 PM 43 1427.00 XCSE
GENMAB A/S 05-May-2025 16:49:40 PM 1 1427.00 XCSE
GENMAB A/S 05-May-2025 16:49:41 PM 38 1426.50 XCSE
GENMAB A/S 05-May-2025 16:49:45 PM 89 1427.50 XCSE
GENMAB A/S 05-May-2025 16:50:04 PM 64 1428.00 XCSE
GENMAB A/S 05-May-2025 16:50:22 PM 19 1428.50 XCSE
GENMAB A/S 05-May-2025 16:50:22 PM 12 1428.50 XCSE
GENMAB A/S 05-May-2025 16:50:22 PM 11 1428.50 XCSE
GENMAB A/S 05-May-2025 16:50:22 PM 11 1428.50 XCSE
GENMAB A/S 05-May-2025 16:50:22 PM 13 1428.50 XCSE
8




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 05-May-2025 16:50:33 PM 14 1428.00 XCSE
GENMAB A/S 05-May-2025 16:50:33 PM 24 1428.00 XCSE
GENMAB A/S 05-May-2025 16:50:33 PM 13 1428.00 XCSE
GENMAB A/S 05-May-2025 16:50:33 PM 12 1428.00 XCSE
GENMAB A/S 05-May-2025 16:50:33 PM 5 1428.00 XCSE
GENMAB A/S 05-May-2025 16:50:54 PM 1 1427.00 XCSE
GENMAB A/S 05-May-2025 16:50:59 PM 1 1427.00 XCSE
GENMAB A/S 05-May-2025 16:51:08 PM 47 1427.00 XCSE
GENMAB A/S 05-May-2025 16:51:14 PM 10 1427.50 XCSE
GENMAB A/S 05-May-2025 16:51:14 PM 12 1427.50 XCSE
GENMAB A/S 05-May-2025 16:51:14 PM 12 1427.50 XCSE
GENMAB A/S 05-May-2025 16:51:14 PM 38 1427.50 XCSE
GENMAB A/S 05-May-2025 16:51:55 PM 7 1428.50 XCSE
GENMAB A/S 05-May-2025 16:51:55 PM 36 1428.50 XCSE
GENMAB A/S 05-May-2025 16:51:55 PM 11 1428.50 XCSE
GENMAB A/S 05-May-2025 16:51:55 PM 32 1428.50 XCSE
GENMAB A/S 05-May-2025 16:51:55 PM 3 1428.50 XCSE
GENMAB A/S 05-May-2025 16:52:29 PM 32 1428.00 XCSE
GENMAB A/S 05-May-2025 16:53:33 PM 26 1427.50 XCSE
GENMAB A/S 05-May-2025 16:53:33 PM 22 1427.50 XCSE
GENMAB A/S 05-May-2025 16:53:33 PM 32 1428.00 XCSE
GENMAB A/S 05-May-2025 16:53:42 PM 11 1427.50 XCSE
GENMAB A/S 05-May-2025 16:54:17 PM 12 1428.50 XCSE
GENMAB A/S 05-May-2025 16:54:17 PM 59 1428.50 XCSE
GENMAB A/S 05-May-2025 16:54:18 PM 27 1428.00 XCSE
GENMAB A/S 05-May-2025 16:54:52 PM 6 1428.50 XCSE
GENMAB A/S 05-May-2025 16:54:52 PM 13 1428.50 XCSE
GENMAB A/S 05-May-2025 16:54:52 PM 13 1428.50 XCSE
GENMAB A/S 05-May-2025 16:54:52 PM 32 1428.50 XCSE
GENMAB A/S 05-May-2025 16:54:56 PM 10 1426.50 XCSE
GENMAB A/S 05-May-2025 16:54:56 PM 3 1426.50 XCSE
GENMAB A/S 05-May-2025 16:54:56 PM 4 1426.50 XCSE
GENMAB A/S 05-May-2025 16:54:56 PM 12 1427.00 XCSE
GENMAB A/S 05-May-2025 16:54:56 PM 12 1427.00 XCSE
GENMAB A/S 05-May-2025 16:54:56 PM 11 1427.00 XCSE
GENMAB A/S 05-May-2025 16:54:59 PM 6 1427.50 XCSE
GENMAB A/S 05-May-2025 16:54:59 PM 11 1427.50 XCSE
GENMAB A/S 05-May-2025 16:54:59 PM 11 1427.50 XCSE
GENMAB A/S 06-May-2025 10:02:29 AM 79 1407.50 XCSE
GENMAB A/S 06-May-2025 10:02:29 AM 83 1407.00 XCSE
GENMAB A/S 06-May-2025 10:02:29 AM 84 1406.50 XCSE
GENMAB A/S 06-May-2025 10:10:02 AM 26 1402.50 XCSE
9




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 06-May-2025 10:11:41 AM 51 1402.00 XCSE
GENMAB A/S 06-May-2025 10:12:19 AM 31 1401.50 XCSE
GENMAB A/S 06-May-2025 10:14:01 AM 33 1401.50 XCSE
GENMAB A/S 06-May-2025 10:17:23 AM 28 1402.00 XCSE
GENMAB A/S 06-May-2025 10:17:53 AM 33 1401.50 XCSE
GENMAB A/S 06-May-2025 10:17:53 AM 5 1401.50 XCSE
GENMAB A/S 06-May-2025 10:19:10 AM 48 1401.50 XCSE
GENMAB A/S 06-May-2025 10:20:04 AM 33 1400.50 XCSE
GENMAB A/S 06-May-2025 10:22:07 AM 29 1401.00 XCSE
GENMAB A/S 06-May-2025 10:22:54 AM 17 1401.00 XCSE
GENMAB A/S 06-May-2025 10:22:54 AM 16 1401.00 XCSE
GENMAB A/S 06-May-2025 10:26:55 AM 29 1404.50 XCSE
GENMAB A/S 06-May-2025 10:26:55 AM 32 1404.00 XCSE
GENMAB A/S 06-May-2025 10:27:00 AM 27 1403.50 XCSE
GENMAB A/S 06-May-2025 10:27:04 AM 26 1403.50 XCSE
GENMAB A/S 06-May-2025 10:29:32 AM 35 1404.50 XCSE
GENMAB A/S 06-May-2025 10:30:50 AM 35 1404.00 XCSE
GENMAB A/S 06-May-2025 10:31:38 AM 49 1404.00 XCSE
GENMAB A/S 06-May-2025 10:35:51 AM 63 1405.50 XCSE
GENMAB A/S 06-May-2025 10:37:11 AM 77 1409.50 XCSE
GENMAB A/S 06-May-2025 10:37:13 AM 83 1409.00 XCSE
GENMAB A/S 06-May-2025 10:39:22 AM 9 1410.00 XCSE
GENMAB A/S 06-May-2025 10:39:22 AM 58 1410.00 XCSE
GENMAB A/S 06-May-2025 10:39:28 AM 52 1409.50 XCSE
GENMAB A/S 06-May-2025 10:43:33 AM 1 1411.00 XCSE
GENMAB A/S 06-May-2025 10:43:33 AM 78 1411.00 XCSE
GENMAB A/S 06-May-2025 10:46:04 AM 83 1411.00 XCSE
GENMAB A/S 06-May-2025 10:46:05 AM 85 1410.50 XCSE
GENMAB A/S 06-May-2025 10:46:05 AM 28 1410.00 XCSE
GENMAB A/S 06-May-2025 10:46:05 AM 31 1410.00 XCSE
GENMAB A/S 06-May-2025 10:46:05 AM 18 1410.00 XCSE
GENMAB A/S 06-May-2025 10:46:09 AM 79 1409.50 XCSE
GENMAB A/S 06-May-2025 10:46:23 AM 80 1409.00 XCSE
GENMAB A/S 06-May-2025 10:46:28 AM 61 1408.50 XCSE
GENMAB A/S 06-May-2025 10:47:17 AM 29 1409.50 XCSE
GENMAB A/S 06-May-2025 10:49:04 AM 26 1409.50 XCSE
GENMAB A/S 06-May-2025 10:49:06 AM 1 1409.00 XCSE
GENMAB A/S 06-May-2025 10:49:25 AM 3 1409.00 XCSE
GENMAB A/S 06-May-2025 10:49:26 AM 23 1409.00 XCSE
GENMAB A/S 06-May-2025 10:49:27 AM 31 1408.50 XCSE
GENMAB A/S 06-May-2025 10:51:21 AM 80 1411.50 XCSE
GENMAB A/S 06-May-2025 10:54:19 AM 79 1412.50 XCSE
10




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 06-May-2025 10:55:22 AM 53 1412.00 XCSE
GENMAB A/S 06-May-2025 10:55:22 AM 81 1411.50 XCSE
GENMAB A/S 06-May-2025 10:55:22 AM 9 1411.00 XCSE
GENMAB A/S 06-May-2025 10:55:22 AM 75 1411.00 XCSE
GENMAB A/S 06-May-2025 10:55:29 AM 27 1410.50 XCSE
GENMAB A/S 06-May-2025 10:55:29 AM 55 1410.50 XCSE
GENMAB A/S 06-May-2025 10:58:06 AM 28 1409.50 XCSE
GENMAB A/S 06-May-2025 11:00:55 AM 26 1409.00 XCSE
GENMAB A/S 06-May-2025 11:01:25 AM 28 1408.50 XCSE
GENMAB A/S 06-May-2025 11:05:43 AM 14 1409.50 XCSE
GENMAB A/S 06-May-2025 11:05:44 AM 37 1409.50 XCSE
GENMAB A/S 06-May-2025 11:06:41 AM 27 1409.50 XCSE
GENMAB A/S 06-May-2025 11:07:16 AM 42 1409.00 XCSE
GENMAB A/S 06-May-2025 11:07:16 AM 7 1408.50 XCSE
GENMAB A/S 06-May-2025 11:10:58 AM 34 1408.50 XCSE
GENMAB A/S 06-May-2025 11:10:58 AM 58 1408.00 XCSE
GENMAB A/S 06-May-2025 11:17:02 AM 85 1410.00 XCSE
GENMAB A/S 06-May-2025 11:17:27 AM 79 1409.50 XCSE
GENMAB A/S 06-May-2025 11:19:49 AM 78 1409.00 XCSE
GENMAB A/S 06-May-2025 11:21:53 AM 12 1408.50 XCSE
GENMAB A/S 06-May-2025 11:24:00 AM 32 1408.50 XCSE
GENMAB A/S 06-May-2025 11:24:24 AM 68 1408.00 XCSE
GENMAB A/S 06-May-2025 11:26:49 AM 20 1408.50 XCSE
GENMAB A/S 06-May-2025 11:26:49 AM 23 1408.50 XCSE
GENMAB A/S 06-May-2025 11:31:35 AM 4 1409.00 XCSE
GENMAB A/S 06-May-2025 11:31:35 AM 78 1409.00 XCSE
GENMAB A/S 06-May-2025 11:31:35 AM 20 1408.50 XCSE
GENMAB A/S 06-May-2025 11:35:45 AM 31 1409.00 XCSE
GENMAB A/S 06-May-2025 11:35:45 AM 14 1409.00 XCSE
GENMAB A/S 06-May-2025 11:35:45 AM 10 1409.00 XCSE
GENMAB A/S 06-May-2025 11:35:58 AM 59 1408.50 XCSE
GENMAB A/S 06-May-2025 11:37:52 AM 41 1408.00 XCSE
GENMAB A/S 06-May-2025 11:38:00 AM 36 1407.50 XCSE
GENMAB A/S 06-May-2025 11:38:06 AM 27 1407.00 XCSE
GENMAB A/S 06-May-2025 11:38:06 AM 27 1406.50 XCSE
GENMAB A/S 06-May-2025 11:52:10 AM 25 1405.00 XCSE
GENMAB A/S 06-May-2025 11:52:10 AM 4 1405.00 XCSE
GENMAB A/S 06-May-2025 11:52:22 AM 28 1404.50 XCSE
GENMAB A/S 06-May-2025 11:58:31 AM 30 1404.50 XCSE
GENMAB A/S 06-May-2025 12:01:30 PM 30 1405.00 XCSE
GENMAB A/S 06-May-2025 12:03:47 PM 27 1404.50 XCSE
GENMAB A/S 06-May-2025 12:07:40 PM 13 1404.50 XCSE
11




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 06-May-2025 12:07:40 PM 13 1404.50 XCSE
GENMAB A/S 06-May-2025 12:20:36 PM 30 1404.50 XCSE
GENMAB A/S 06-May-2025 12:21:52 PM 9 1404.00 XCSE
GENMAB A/S 06-May-2025 12:22:01 PM 19 1404.00 XCSE
GENMAB A/S 06-May-2025 12:22:39 PM 27 1403.50 XCSE
GENMAB A/S 06-May-2025 12:24:04 PM 26 1404.00 XCSE
GENMAB A/S 06-May-2025 12:33:29 PM 34 1402.00 XCSE
GENMAB A/S 06-May-2025 12:35:22 PM 22 1402.50 XCSE
GENMAB A/S 06-May-2025 12:35:22 PM 3 1402.50 XCSE
GENMAB A/S 06-May-2025 12:35:22 PM 2 1402.50 XCSE
GENMAB A/S 06-May-2025 12:35:35 PM 28 1402.00 XCSE
GENMAB A/S 06-May-2025 12:35:35 PM 27 1401.50 XCSE
GENMAB A/S 06-May-2025 12:35:52 PM 33 1401.00 XCSE
GENMAB A/S 06-May-2025 12:38:42 PM 13 1401.50 XCSE
GENMAB A/S 06-May-2025 12:38:42 PM 13 1401.50 XCSE
GENMAB A/S 06-May-2025 12:38:43 PM 27 1401.00 XCSE
GENMAB A/S 06-May-2025 12:41:37 PM 10 1401.50 XCSE
GENMAB A/S 06-May-2025 12:42:15 PM 26 1403.00 XCSE
GENMAB A/S 06-May-2025 12:42:15 PM 14 1402.00 XCSE
GENMAB A/S 06-May-2025 12:42:15 PM 17 1402.00 XCSE
GENMAB A/S 06-May-2025 12:50:02 PM 35 1404.00 XCSE
GENMAB A/S 06-May-2025 12:51:53 PM 33 1403.50 XCSE
GENMAB A/S 06-May-2025 12:51:53 PM 38 1403.00 XCSE
GENMAB A/S 06-May-2025 12:51:53 PM 29 1402.50 XCSE
GENMAB A/S 06-May-2025 12:51:53 PM 26 1402.00 XCSE
GENMAB A/S 06-May-2025 12:52:39 PM 29 1401.00 XCSE
GENMAB A/S 06-May-2025 12:52:58 PM 26 1401.00 XCSE
GENMAB A/S 06-May-2025 12:52:58 PM 26 1401.50 XCSE
GENMAB A/S 06-May-2025 12:52:59 PM 30 1402.00 XCSE
GENMAB A/S 06-May-2025 12:52:59 PM 39 1401.50 XCSE
GENMAB A/S 06-May-2025 12:52:59 PM 3 1401.00 XCSE
GENMAB A/S 06-May-2025 12:54:48 PM 53 1403.00 XCSE
GENMAB A/S 06-May-2025 12:55:33 PM 47 1402.50 XCSE
GENMAB A/S 06-May-2025 12:59:00 PM 41 1404.00 XCSE
GENMAB A/S 06-May-2025 12:59:00 PM 36 1403.50 XCSE
GENMAB A/S 06-May-2025 12:59:36 PM 10 1405.50 XCSE
GENMAB A/S 06-May-2025 12:59:36 PM 24 1405.50 XCSE
GENMAB A/S 06-May-2025 12:59:36 PM 8 1405.50 XCSE
GENMAB A/S 06-May-2025 12:59:55 PM 26 1405.50 XCSE
GENMAB A/S 06-May-2025 13:00:48 PM 39 1406.00 XCSE
GENMAB A/S 06-May-2025 13:10:06 PM 33 1407.00 XCSE
GENMAB A/S 06-May-2025 13:14:20 PM 33 1407.50 XCSE
12




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 06-May-2025 13:17:48 PM 33 1407.00 XCSE
GENMAB A/S 06-May-2025 13:20:41 PM 29 1407.00 XCSE
GENMAB A/S 06-May-2025 13:20:41 PM 15 1406.50 XCSE
GENMAB A/S 06-May-2025 13:20:41 PM 1 1406.50 XCSE
GENMAB A/S 06-May-2025 13:20:41 PM 11 1406.50 XCSE
GENMAB A/S 06-May-2025 13:20:54 PM 26 1406.00 XCSE
GENMAB A/S 06-May-2025 13:23:12 PM 29 1405.50 XCSE
GENMAB A/S 06-May-2025 13:23:12 PM 33 1405.00 XCSE
GENMAB A/S 06-May-2025 13:23:19 PM 33 1406.00 XCSE
GENMAB A/S 06-May-2025 13:23:19 PM 19 1405.50 XCSE
GENMAB A/S 06-May-2025 13:23:22 PM 12 1405.50 XCSE
GENMAB A/S 06-May-2025 13:23:37 PM 27 1405.00 XCSE
GENMAB A/S 06-May-2025 13:23:46 PM 19 1404.50 XCSE
GENMAB A/S 06-May-2025 13:24:21 PM 9 1404.50 XCSE
GENMAB A/S 06-May-2025 13:31:44 PM 32 1406.00 XCSE
GENMAB A/S 06-May-2025 13:38:51 PM 27 1407.00 XCSE
GENMAB A/S 06-May-2025 13:50:10 PM 29 1408.50 XCSE
GENMAB A/S 06-May-2025 13:50:11 PM 38 1408.00 XCSE
GENMAB A/S 06-May-2025 13:51:15 PM 26 1408.00 XCSE
GENMAB A/S 06-May-2025 14:00:54 PM 27 1409.00 XCSE
GENMAB A/S 06-May-2025 14:00:54 PM 28 1408.50 XCSE
GENMAB A/S 06-May-2025 14:00:54 PM 5 1408.50 XCSE
GENMAB A/S 06-May-2025 14:04:44 PM 28 1408.00 XCSE
GENMAB A/S 06-May-2025 14:06:36 PM 26 1408.00 XCSE
GENMAB A/S 06-May-2025 14:06:36 PM 2 1408.00 XCSE
GENMAB A/S 06-May-2025 14:11:06 PM 26 1406.50 XCSE
GENMAB A/S 06-May-2025 14:16:25 PM 24 1403.50 XCSE
GENMAB A/S 06-May-2025 14:16:25 PM 2 1403.50 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 26 1404.00 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 35 1399.00 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 1 1399.00 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 35 1398.00 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 17 1398.00 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 29 1398.50 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 30 1399.00 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 13 1399.00 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 35 1399.50 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 13 1399.50 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 16 1399.50 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 1 1398.00 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 24 1398.00 XCSE
13




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 06-May-2025 14:22:39 PM 17 1398.00 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 27 1398.00 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 16 1398.00 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 84 1397.50 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 57 1397.00 XCSE
GENMAB A/S 06-May-2025 14:22:39 PM 23 1397.00 XCSE
GENMAB A/S 06-May-2025 14:22:41 PM 35 1398.00 XCSE
GENMAB A/S 06-May-2025 14:22:41 PM 30 1398.00 XCSE
GENMAB A/S 06-May-2025 14:22:41 PM 16 1398.00 XCSE
GENMAB A/S 06-May-2025 14:22:46 PM 35 1399.50 XCSE
GENMAB A/S 06-May-2025 14:22:46 PM 15 1399.50 XCSE
GENMAB A/S 06-May-2025 14:22:46 PM 12 1399.50 XCSE
GENMAB A/S 06-May-2025 14:22:46 PM 11 1399.50 XCSE
GENMAB A/S 06-May-2025 14:22:46 PM 30 1399.50 XCSE
GENMAB A/S 06-May-2025 14:22:47 PM 35 1399.50 XCSE
GENMAB A/S 06-May-2025 14:22:47 PM 13 1399.50 XCSE
GENMAB A/S 06-May-2025 14:22:47 PM 30 1399.50 XCSE
GENMAB A/S 06-May-2025 14:22:47 PM 11 1399.50 XCSE
GENMAB A/S 06-May-2025 14:22:47 PM 12 1399.50 XCSE
GENMAB A/S 06-May-2025 14:22:47 PM 13 1399.50 XCSE
GENMAB A/S 06-May-2025 14:22:47 PM 12 1399.50 XCSE
GENMAB A/S 06-May-2025 14:22:49 PM 80 1398.50 XCSE
GENMAB A/S 06-May-2025 14:22:49 PM 38 1398.00 XCSE
GENMAB A/S 06-May-2025 14:22:49 PM 45 1398.00 XCSE
GENMAB A/S 06-May-2025 14:22:49 PM 84 1397.50 XCSE
GENMAB A/S 06-May-2025 14:23:20 PM 85 1399.00 XCSE
GENMAB A/S 06-May-2025 14:25:01 PM 82 1398.50 XCSE
GENMAB A/S 06-May-2025 14:25:01 PM 79 1398.00 XCSE
GENMAB A/S 06-May-2025 14:25:01 PM 82 1397.50 XCSE
GENMAB A/S 06-May-2025 14:26:51 PM 31 1398.00 XCSE
GENMAB A/S 06-May-2025 14:28:44 PM 44 1397.50 XCSE
GENMAB A/S 06-May-2025 14:31:38 PM 30 1398.00 XCSE
GENMAB A/S 06-May-2025 14:31:39 PM 33 1397.50 XCSE
GENMAB A/S 06-May-2025 14:32:31 PM 10 1397.50 XCSE
GENMAB A/S 06-May-2025 14:32:31 PM 26 1397.50 XCSE
GENMAB A/S 06-May-2025 14:36:08 PM 36 1400.00 XCSE
GENMAB A/S 06-May-2025 14:38:22 PM 31 1400.00 XCSE
GENMAB A/S 06-May-2025 14:39:08 PM 30 1399.50 XCSE
GENMAB A/S 06-May-2025 14:40:33 PM 32 1400.50 XCSE
GENMAB A/S 06-May-2025 14:40:47 PM 26 1401.00 XCSE
GENMAB A/S 06-May-2025 14:47:56 PM 29 1404.00 XCSE
GENMAB A/S 06-May-2025 14:51:41 PM 33 1403.50 XCSE
14




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 06-May-2025 14:51:41 PM 28 1403.00 XCSE
GENMAB A/S 06-May-2025 14:52:43 PM 18 1403.00 XCSE
GENMAB A/S 06-May-2025 14:52:43 PM 10 1403.00 XCSE
GENMAB A/S 06-May-2025 14:54:28 PM 36 1402.50 XCSE
GENMAB A/S 06-May-2025 14:54:28 PM 1 1402.50 XCSE
GENMAB A/S 06-May-2025 14:55:25 PM 12 1403.00 XCSE
GENMAB A/S 06-May-2025 14:55:25 PM 14 1403.00 XCSE
GENMAB A/S 06-May-2025 14:56:12 PM 20 1403.50 XCSE
GENMAB A/S 06-May-2025 14:56:28 PM 23 1403.50 XCSE
GENMAB A/S 06-May-2025 14:57:58 PM 26 1403.00 XCSE
GENMAB A/S 06-May-2025 14:57:58 PM 26 1402.50 XCSE
GENMAB A/S 06-May-2025 14:58:12 PM 26 1404.00 XCSE
GENMAB A/S 06-May-2025 14:59:21 PM 29 1403.50 XCSE
GENMAB A/S 06-May-2025 14:59:28 PM 36 1403.00 XCSE
GENMAB A/S 06-May-2025 15:01:11 PM 7 1403.00 XCSE
GENMAB A/S 06-May-2025 15:01:11 PM 44 1403.00 XCSE
GENMAB A/S 06-May-2025 15:03:13 PM 27 1402.50 XCSE
GENMAB A/S 06-May-2025 15:04:37 PM 37 1402.50 XCSE
GENMAB A/S 06-May-2025 15:06:18 PM 29 1402.00 XCSE
GENMAB A/S 06-May-2025 15:06:18 PM 38 1401.50 XCSE
GENMAB A/S 06-May-2025 15:07:28 PM 33 1401.00 XCSE
GENMAB A/S 06-May-2025 15:07:28 PM 37 1400.50 XCSE
GENMAB A/S 06-May-2025 15:07:30 PM 27 1400.00 XCSE
GENMAB A/S 06-May-2025 15:07:41 PM 41 1399.50 XCSE
GENMAB A/S 06-May-2025 15:07:43 PM 27 1399.00 XCSE
GENMAB A/S 06-May-2025 15:07:59 PM 1 1398.50 XCSE
GENMAB A/S 06-May-2025 15:10:19 PM 40 1399.00 XCSE
GENMAB A/S 06-May-2025 15:11:16 PM 37 1399.50 XCSE
GENMAB A/S 06-May-2025 15:12:31 PM 27 1399.00 XCSE
GENMAB A/S 06-May-2025 15:12:52 PM 28 1397.50 XCSE
GENMAB A/S 06-May-2025 15:12:53 PM 26 1397.50 XCSE
GENMAB A/S 06-May-2025 15:12:54 PM 29 1397.00 XCSE
GENMAB A/S 06-May-2025 15:16:23 PM 34 1399.00 XCSE
GENMAB A/S 06-May-2025 15:16:23 PM 39 1398.50 XCSE
GENMAB A/S 06-May-2025 15:17:43 PM 26 1398.00 XCSE
GENMAB A/S 06-May-2025 15:17:45 PM 32 1397.50 XCSE
GENMAB A/S 06-May-2025 15:18:15 PM 26 1397.00 XCSE
GENMAB A/S 06-May-2025 15:18:52 PM 1 1397.50 XCSE
GENMAB A/S 06-May-2025 15:18:52 PM 25 1397.50 XCSE
GENMAB A/S 06-May-2025 15:20:49 PM 26 1397.00 XCSE
GENMAB A/S 06-May-2025 15:23:46 PM 25 1397.50 XCSE
GENMAB A/S 06-May-2025 15:23:46 PM 4 1397.50 XCSE
15




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 06-May-2025 15:24:31 PM 28 1397.50 XCSE
GENMAB A/S 06-May-2025 15:26:07 PM 32 1398.50 XCSE
GENMAB A/S 06-May-2025 15:29:04 PM 26 1399.00 XCSE
GENMAB A/S 06-May-2025 15:29:57 PM 28 1399.00 XCSE
GENMAB A/S 06-May-2025 15:30:01 PM 25 1399.00 XCSE
GENMAB A/S 06-May-2025 15:30:01 PM 3 1399.00 XCSE
GENMAB A/S 06-May-2025 15:30:03 PM 26 1398.50 XCSE
GENMAB A/S 06-May-2025 15:30:38 PM 26 1397.50 XCSE
GENMAB A/S 06-May-2025 15:31:15 PM 26 1397.00 XCSE
GENMAB A/S 06-May-2025 15:31:26 PM 26 1398.00 XCSE
GENMAB A/S 06-May-2025 15:32:06 PM 30 1397.50 XCSE
GENMAB A/S 06-May-2025 15:32:08 PM 31 1397.00 XCSE
GENMAB A/S 06-May-2025 15:33:18 PM 31 1397.00 XCSE
GENMAB A/S 06-May-2025 15:33:18 PM 26 1396.50 XCSE
GENMAB A/S 06-May-2025 15:33:21 PM 26 1397.00 XCSE
GENMAB A/S 06-May-2025 15:33:21 PM 37 1397.00 XCSE
GENMAB A/S 06-May-2025 15:33:24 PM 25 1395.50 XCSE
GENMAB A/S 06-May-2025 15:33:24 PM 7 1395.50 XCSE
GENMAB A/S 06-May-2025 15:34:13 PM 44 1397.50 XCSE
GENMAB A/S 06-May-2025 15:34:31 PM 47 1397.00 XCSE
GENMAB A/S 06-May-2025 15:35:03 PM 28 1397.00 XCSE
GENMAB A/S 06-May-2025 15:36:11 PM 29 1398.00 XCSE
GENMAB A/S 06-May-2025 15:36:11 PM 30 1397.50 XCSE
GENMAB A/S 06-May-2025 15:36:56 PM 26 1398.50 XCSE
GENMAB A/S 06-May-2025 15:37:06 PM 26 1398.00 XCSE
GENMAB A/S 06-May-2025 15:38:33 PM 1 1398.50 XCSE
GENMAB A/S 06-May-2025 15:38:33 PM 28 1398.50 XCSE
GENMAB A/S 06-May-2025 15:39:36 PM 26 1397.00 XCSE
GENMAB A/S 06-May-2025 15:41:27 PM 34 1397.00 XCSE
GENMAB A/S 06-May-2025 15:42:42 PM 16 1396.50 XCSE
GENMAB A/S 06-May-2025 15:42:43 PM 17 1396.50 XCSE
GENMAB A/S 06-May-2025 15:43:07 PM 24 1396.00 XCSE
GENMAB A/S 06-May-2025 15:43:07 PM 2 1396.00 XCSE
GENMAB A/S 06-May-2025 15:43:07 PM 30 1395.50 XCSE
GENMAB A/S 06-May-2025 15:44:58 PM 38 1395.00 XCSE
GENMAB A/S 06-May-2025 15:45:35 PM 16 1395.00 XCSE
GENMAB A/S 06-May-2025 15:45:35 PM 10 1395.00 XCSE
GENMAB A/S 06-May-2025 15:46:05 PM 28 1394.50 XCSE
GENMAB A/S 06-May-2025 15:46:19 PM 40 1394.00 XCSE
GENMAB A/S 06-May-2025 15:49:05 PM 27 1392.50 XCSE
GENMAB A/S 06-May-2025 15:49:20 PM 31 1391.00 XCSE
GENMAB A/S 06-May-2025 15:50:13 PM 29 1390.00 XCSE
16




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 06-May-2025 15:50:47 PM 27 1389.50 XCSE
GENMAB A/S 06-May-2025 15:51:01 PM 31 1389.50 XCSE
GENMAB A/S 06-May-2025 15:54:03 PM 28 1392.50 XCSE
GENMAB A/S 06-May-2025 15:54:12 PM 26 1393.00 XCSE
GENMAB A/S 06-May-2025 15:54:12 PM 26 1393.00 XCSE
GENMAB A/S 06-May-2025 15:54:13 PM 26 1392.50 XCSE
GENMAB A/S 06-May-2025 15:54:13 PM 27 1392.00 XCSE
GENMAB A/S 06-May-2025 15:54:55 PM 34 1391.50 XCSE
GENMAB A/S 06-May-2025 15:54:55 PM 28 1391.00 XCSE
GENMAB A/S 06-May-2025 15:55:25 PM 29 1390.50 XCSE
GENMAB A/S 06-May-2025 15:55:25 PM 30 1390.00 XCSE
GENMAB A/S 06-May-2025 15:55:26 PM 26 1389.50 XCSE
GENMAB A/S 06-May-2025 15:57:26 PM 35 1391.00 XCSE
GENMAB A/S 06-May-2025 15:58:07 PM 41 1390.50 XCSE
GENMAB A/S 06-May-2025 15:59:16 PM 55 1391.00 XCSE
GENMAB A/S 06-May-2025 15:59:16 PM 51 1390.50 XCSE
GENMAB A/S 06-May-2025 15:59:59 PM 26 1390.00 XCSE
GENMAB A/S 06-May-2025 16:00:26 PM 59 1391.00 XCSE
GENMAB A/S 06-May-2025 16:00:45 PM 44 1391.00 XCSE
GENMAB A/S 06-May-2025 16:02:03 PM 79 1393.00 XCSE
GENMAB A/S 06-May-2025 16:02:13 PM 38 1392.50 XCSE
GENMAB A/S 06-May-2025 16:02:13 PM 39 1392.50 XCSE
GENMAB A/S 06-May-2025 16:02:16 PM 8 1392.00 XCSE
GENMAB A/S 06-May-2025 16:02:16 PM 10 1392.00 XCSE
GENMAB A/S 06-May-2025 16:02:16 PM 20 1392.00 XCSE
GENMAB A/S 06-May-2025 16:02:16 PM 5 1392.00 XCSE
GENMAB A/S 06-May-2025 16:02:16 PM 22 1392.00 XCSE
GENMAB A/S 06-May-2025 16:02:38 PM 15 1392.50 XCSE
GENMAB A/S 06-May-2025 16:02:38 PM 6 1392.50 XCSE
GENMAB A/S 06-May-2025 16:02:40 PM 12 1392.50 XCSE
GENMAB A/S 06-May-2025 16:02:40 PM 2 1392.50 XCSE
GENMAB A/S 06-May-2025 16:02:55 PM 29 1392.00 XCSE
GENMAB A/S 06-May-2025 16:03:07 PM 57 1391.50 XCSE
GENMAB A/S 06-May-2025 16:03:07 PM 26 1391.00 XCSE
GENMAB A/S 06-May-2025 16:03:47 PM 31 1392.00 XCSE
GENMAB A/S 06-May-2025 16:06:09 PM 4 1391.50 XCSE
GENMAB A/S 06-May-2025 16:06:09 PM 20 1391.50 XCSE
GENMAB A/S 06-May-2025 16:06:09 PM 11 1391.50 XCSE
GENMAB A/S 06-May-2025 16:06:09 PM 6 1391.00 XCSE
GENMAB A/S 06-May-2025 16:06:09 PM 7 1391.00 XCSE
GENMAB A/S 06-May-2025 16:06:09 PM 21 1391.00 XCSE
GENMAB A/S 06-May-2025 16:06:51 PM 12 1391.50 XCSE
17




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 06-May-2025 16:06:51 PM 26 1391.50 XCSE
GENMAB A/S 06-May-2025 16:06:57 PM 16 1391.00 XCSE
GENMAB A/S 06-May-2025 16:06:57 PM 26 1391.00 XCSE
GENMAB A/S 06-May-2025 16:07:31 PM 33 1390.50 XCSE
GENMAB A/S 06-May-2025 16:10:06 PM 40 1391.50 XCSE
GENMAB A/S 06-May-2025 16:10:20 PM 23 1391.50 XCSE
GENMAB A/S 06-May-2025 16:10:20 PM 16 1391.50 XCSE
GENMAB A/S 06-May-2025 16:11:13 PM 27 1391.00 XCSE
GENMAB A/S 06-May-2025 16:12:14 PM 27 1390.50 XCSE
GENMAB A/S 06-May-2025 16:14:04 PM 22 1391.00 XCSE
GENMAB A/S 06-May-2025 16:15:42 PM 2 1392.00 XCSE
GENMAB A/S 06-May-2025 16:15:42 PM 77 1392.00 XCSE
GENMAB A/S 06-May-2025 16:15:42 PM 31 1391.50 XCSE
GENMAB A/S 06-May-2025 16:15:46 PM 84 1392.50 XCSE
GENMAB A/S 06-May-2025 16:15:46 PM 55 1392.00 XCSE
GENMAB A/S 06-May-2025 16:15:46 PM 5 1392.00 XCSE
GENMAB A/S 06-May-2025 16:15:46 PM 21 1392.00 XCSE
GENMAB A/S 06-May-2025 16:15:59 PM 58 1392.50 XCSE
GENMAB A/S 06-May-2025 16:16:29 PM 53 1392.00 XCSE
GENMAB A/S 06-May-2025 16:16:29 PM 51 1391.50 XCSE
GENMAB A/S 06-May-2025 16:16:40 PM 54 1391.50 XCSE
GENMAB A/S 06-May-2025 16:16:40 PM 3 1391.50 XCSE
GENMAB A/S 06-May-2025 16:16:49 PM 2 1392.00 XCSE
GENMAB A/S 06-May-2025 16:16:49 PM 50 1392.00 XCSE
GENMAB A/S 06-May-2025 16:16:49 PM 19 1392.00 XCSE
GENMAB A/S 06-May-2025 16:16:52 PM 74 1391.50 XCSE
GENMAB A/S 06-May-2025 16:17:48 PM 2 1391.00 XCSE
GENMAB A/S 06-May-2025 16:17:48 PM 24 1391.00 XCSE
GENMAB A/S 06-May-2025 16:18:42 PM 32 1391.00 XCSE
GENMAB A/S 06-May-2025 16:19:21 PM 36 1391.50 XCSE
GENMAB A/S 06-May-2025 16:20:15 PM 6 1391.50 XCSE
GENMAB A/S 06-May-2025 16:20:15 PM 36 1391.50 XCSE
GENMAB A/S 06-May-2025 16:20:15 PM 10 1391.00 XCSE
GENMAB A/S 06-May-2025 16:21:05 PM 29 1391.00 XCSE
GENMAB A/S 06-May-2025 16:23:04 PM 37 1392.00 XCSE
GENMAB A/S 06-May-2025 16:24:05 PM 28 1393.00 XCSE
GENMAB A/S 06-May-2025 16:24:16 PM 13 1392.50 XCSE
GENMAB A/S 06-May-2025 16:24:16 PM 13 1392.50 XCSE
GENMAB A/S 06-May-2025 16:25:11 PM 30 1392.00 XCSE
GENMAB A/S 06-May-2025 16:25:21 PM 34 1392.00 XCSE
GENMAB A/S 06-May-2025 16:25:22 PM 28 1391.50 XCSE
GENMAB A/S 06-May-2025 16:25:26 PM 33 1391.00 XCSE
18




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 06-May-2025 16:27:08 PM 14 1391.50 XCSE
GENMAB A/S 06-May-2025 16:27:08 PM 7 1391.50 XCSE
GENMAB A/S 06-May-2025 16:27:17 PM 18 1391.50 XCSE
GENMAB A/S 06-May-2025 16:27:17 PM 5 1391.00 XCSE
GENMAB A/S 06-May-2025 16:27:51 PM 30 1391.50 XCSE
GENMAB A/S 06-May-2025 16:27:51 PM 8 1391.00 XCSE
GENMAB A/S 06-May-2025 16:28:10 PM 17 1391.00 XCSE
GENMAB A/S 06-May-2025 16:29:28 PM 38 1391.50 XCSE
GENMAB A/S 06-May-2025 16:31:00 PM 41 1392.00 XCSE
GENMAB A/S 06-May-2025 16:31:00 PM 2 1392.00 XCSE
GENMAB A/S 06-May-2025 16:31:01 PM 31 1391.50 XCSE
GENMAB A/S 06-May-2025 16:31:01 PM 1 1391.50 XCSE
GENMAB A/S 06-May-2025 16:31:36 PM 38 1391.00 XCSE
GENMAB A/S 06-May-2025 16:32:05 PM 11 1391.00 XCSE
GENMAB A/S 06-May-2025 16:32:21 PM 15 1391.00 XCSE
GENMAB A/S 06-May-2025 16:32:21 PM 11 1390.50 XCSE
GENMAB A/S 06-May-2025 16:33:27 PM 17 1390.50 XCSE
GENMAB A/S 06-May-2025 16:33:28 PM 30 1390.00 XCSE
GENMAB A/S 06-May-2025 16:34:37 PM 61 1391.00 XCSE
GENMAB A/S 06-May-2025 16:35:57 PM 58 1391.00 XCSE
GENMAB A/S 06-May-2025 16:36:14 PM 55 1390.50 XCSE
GENMAB A/S 06-May-2025 16:36:21 PM 54 1390.00 XCSE
GENMAB A/S 06-May-2025 16:36:21 PM 32 1389.50 XCSE
GENMAB A/S 06-May-2025 16:36:22 PM 42 1389.00 XCSE
GENMAB A/S 06-May-2025 16:36:32 PM 11 1388.50 XCSE
GENMAB A/S 06-May-2025 16:36:32 PM 31 1388.50 XCSE
GENMAB A/S 06-May-2025 16:37:04 PM 26 1388.00 XCSE
GENMAB A/S 06-May-2025 16:38:45 PM 29 1387.50 XCSE
GENMAB A/S 06-May-2025 16:39:42 PM 26 1387.50 XCSE
GENMAB A/S 06-May-2025 16:40:06 PM 31 1387.00 XCSE
GENMAB A/S 06-May-2025 16:41:59 PM 2 1388.00 XCSE
GENMAB A/S 06-May-2025 16:41:59 PM 2 1388.00 XCSE
GENMAB A/S 06-May-2025 16:41:59 PM 8 1388.00 XCSE
GENMAB A/S 06-May-2025 16:41:59 PM 30 1388.00 XCSE
GENMAB A/S 06-May-2025 16:42:15 PM 3 1388.00 XCSE
GENMAB A/S 06-May-2025 16:43:03 PM 27 1389.50 XCSE
GENMAB A/S 06-May-2025 16:44:01 PM 1 1389.00 XCSE
GENMAB A/S 06-May-2025 16:44:24 PM 38 1389.00 XCSE
GENMAB A/S 06-May-2025 16:45:11 PM 45 1389.50 XCSE
GENMAB A/S 06-May-2025 16:45:24 PM 10 1389.50 XCSE
GENMAB A/S 06-May-2025 16:45:24 PM 2 1389.50 XCSE
GENMAB A/S 06-May-2025 16:46:35 PM 20 1391.50 XCSE
19




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 06-May-2025 16:46:35 PM 48 1391.50 XCSE
GENMAB A/S 06-May-2025 16:46:40 PM 31 1391.50 XCSE
GENMAB A/S 06-May-2025 16:47:29 PM 10 1392.50 XCSE
GENMAB A/S 06-May-2025 16:47:29 PM 16 1392.50 XCSE
GENMAB A/S 06-May-2025 16:47:48 PM 22 1393.00 XCSE
GENMAB A/S 06-May-2025 16:47:48 PM 2 1393.00 XCSE
GENMAB A/S 06-May-2025 16:47:48 PM 9 1393.00 XCSE
GENMAB A/S 06-May-2025 16:47:58 PM 4 1393.00 XCSE
GENMAB A/S 06-May-2025 16:48:18 PM 43 1393.00 XCSE
GENMAB A/S 06-May-2025 16:48:25 PM 45 1393.00 XCSE
GENMAB A/S 06-May-2025 16:48:26 PM 38 1392.50 XCSE
GENMAB A/S 06-May-2025 16:48:31 PM 12 1394.00 XCSE
GENMAB A/S 06-May-2025 16:48:31 PM 3 1394.00 XCSE
GENMAB A/S 06-May-2025 16:48:31 PM 8 1394.00 XCSE
GENMAB A/S 06-May-2025 16:48:31 PM 3 1394.00 XCSE
GENMAB A/S 06-May-2025 16:48:32 PM 35 1394.00 XCSE
GENMAB A/S 06-May-2025 16:48:41 PM 26 1394.50 XCSE
GENMAB A/S 06-May-2025 16:49:03 PM 26 1395.00 XCSE
GENMAB A/S 06-May-2025 16:49:31 PM 10 1394.50 XCSE
GENMAB A/S 06-May-2025 16:49:31 PM 2 1395.00 XCSE
GENMAB A/S 06-May-2025 16:49:31 PM 24 1395.00 XCSE
GENMAB A/S 06-May-2025 16:50:03 PM 58 1395.00 XCSE
GENMAB A/S 06-May-2025 16:50:03 PM 10 1394.50 XCSE
GENMAB A/S 06-May-2025 16:50:03 PM 48 1395.00 XCSE
GENMAB A/S 06-May-2025 16:50:03 PM 30 1395.00 XCSE
GENMAB A/S 06-May-2025 16:50:03 PM 13 1395.00 XCSE
GENMAB A/S 06-May-2025 16:50:03 PM 16 1395.50 XCSE
GENMAB A/S 06-May-2025 16:50:03 PM 26 1394.50 XCSE
GENMAB A/S 06-May-2025 16:51:04 PM 36 1394.00 XCSE
GENMAB A/S 06-May-2025 16:51:04 PM 1 1394.00 XCSE
GENMAB A/S 06-May-2025 16:52:30 PM 11 1394.50 XCSE
GENMAB A/S 06-May-2025 16:53:04 PM 8 1395.00 XCSE
GENMAB A/S 06-May-2025 16:53:09 PM 21 1395.00 XCSE
GENMAB A/S 06-May-2025 16:53:09 PM 29 1395.00 XCSE
GENMAB A/S 06-May-2025 16:53:15 PM 5 1394.50 XCSE
GENMAB A/S 06-May-2025 16:53:15 PM 18 1394.50 XCSE
GENMAB A/S 06-May-2025 16:53:15 PM 28 1395.00 XCSE
GENMAB A/S 06-May-2025 16:53:15 PM 14 1395.00 XCSE
GENMAB A/S 06-May-2025 16:53:15 PM 22 1395.00 XCSE
GENMAB A/S 06-May-2025 16:54:14 PM 32 1394.00 XCSE
GENMAB A/S 06-May-2025 16:54:55 PM 69 1395.00 XCSE
GENMAB A/S 06-May-2025 16:54:55 PM 14 1395.00 XCSE
20




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 06-May-2025 16:54:55 PM 4 1395.00 XCSE
GENMAB A/S 07-May-2025 09:38:18 AM 80 1356.50 TQEX
GENMAB A/S 07-May-2025 09:38:18 AM 81 1356.50 AQEU
GENMAB A/S 07-May-2025 09:38:21 AM 10 1356.00 AQEU
GENMAB A/S 07-May-2025 09:38:51 AM 40 1358.50 XCSE
GENMAB A/S 07-May-2025 09:38:51 AM 38 1358.50 XCSE
GENMAB A/S 07-May-2025 09:40:06 AM 43 1359.00 XCSE
GENMAB A/S 07-May-2025 09:40:12 AM 12 1359.00 XCSE
GENMAB A/S 07-May-2025 09:40:13 AM 49 1359.00 XCSE
GENMAB A/S 07-May-2025 09:40:41 AM 58 1360.00 XCSE
GENMAB A/S 07-May-2025 09:40:50 AM 28 1359.50 XCSE
GENMAB A/S 07-May-2025 09:40:50 AM 55 1359.00 XCSE
GENMAB A/S 07-May-2025 09:40:50 AM 58 1359.50 TQEX
GENMAB A/S 07-May-2025 09:40:50 AM 63 1359.00 TQEX
GENMAB A/S 07-May-2025 09:40:50 AM 79 1359.50 CEUX
GENMAB A/S 07-May-2025 09:40:50 AM 78 1359.00 CEUX
GENMAB A/S 07-May-2025 09:40:50 AM 55 1359.50 AQEU
GENMAB A/S 07-May-2025 09:40:50 AM 58 1359.00 AQEU
GENMAB A/S 07-May-2025 09:41:09 AM 4 1359.00 XCSE
GENMAB A/S 07-May-2025 09:41:38 AM 1 1362.00 XCSE
GENMAB A/S 07-May-2025 09:41:57 AM 26 1362.00 XCSE
GENMAB A/S 07-May-2025 09:42:05 AM 27 1361.50 XCSE
GENMAB A/S 07-May-2025 09:42:05 AM 55 1361.50 CEUX
GENMAB A/S 07-May-2025 09:42:05 AM 28 1361.50 AQEU
GENMAB A/S 07-May-2025 09:42:37 AM 45 1362.00 CEUX
GENMAB A/S 07-May-2025 09:42:44 AM 49 1361.50 CEUX
GENMAB A/S 07-May-2025 09:43:09 AM 29 1361.50 XCSE
GENMAB A/S 07-May-2025 09:43:11 AM 26 1361.00 XCSE
GENMAB A/S 07-May-2025 09:43:11 AM 28 1361.00 TQEX
GENMAB A/S 07-May-2025 09:43:11 AM 51 1361.00 CEUX
GENMAB A/S 07-May-2025 09:43:12 AM 26 1360.50 CEUX
GENMAB A/S 07-May-2025 09:43:53 AM 33 1360.50 XCSE
GENMAB A/S 07-May-2025 09:43:53 AM 22 1360.50 CEUX
GENMAB A/S 07-May-2025 09:43:53 AM 9 1360.50 CEUX
GENMAB A/S 07-May-2025 09:43:54 AM 28 1360.00 CEUX
GENMAB A/S 07-May-2025 09:43:57 AM 26 1359.50 CEUX
GENMAB A/S 07-May-2025 09:44:24 AM 29 1359.50 XCSE
GENMAB A/S 07-May-2025 09:44:24 AM 26 1359.00 XCSE
GENMAB A/S 07-May-2025 09:44:56 AM 34 1358.50 CEUX
GENMAB A/S 07-May-2025 09:46:23 AM 29 1361.50 XCSE
GENMAB A/S 07-May-2025 09:46:23 AM 5 1361.00 CEUX
GENMAB A/S 07-May-2025 09:46:27 AM 10 1361.00 CEUX
21




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 09:46:29 AM 27 1361.00 XCSE
GENMAB A/S 07-May-2025 09:46:29 AM 26 1361.00 TQEX
GENMAB A/S 07-May-2025 09:46:29 AM 11 1361.00 CEUX
GENMAB A/S 07-May-2025 09:47:57 AM 29 1361.50 XCSE
GENMAB A/S 07-May-2025 09:48:19 AM 32 1362.50 XCSE
GENMAB A/S 07-May-2025 09:48:19 AM 49 1363.00 CEUX
GENMAB A/S 07-May-2025 09:48:26 AM 31 1362.50 XCSE
GENMAB A/S 07-May-2025 09:48:32 AM 30 1363.50 CEUX
GENMAB A/S 07-May-2025 09:48:57 AM 39 1363.00 CEUX
GENMAB A/S 07-May-2025 09:49:14 AM 18 1364.50 CEUX
GENMAB A/S 07-May-2025 09:49:31 AM 9 1364.50 CEUX
GENMAB A/S 07-May-2025 09:49:45 AM 3 1365.00 TQEX
GENMAB A/S 07-May-2025 09:49:45 AM 7 1365.00 TQEX
GENMAB A/S 07-May-2025 09:49:45 AM 8 1365.00 TQEX
GENMAB A/S 07-May-2025 09:50:25 AM 14 1367.50 CEUX
GENMAB A/S 07-May-2025 09:50:25 AM 12 1367.50 CEUX
GENMAB A/S 07-May-2025 09:50:31 AM 3 1367.00 XCSE
GENMAB A/S 07-May-2025 09:50:31 AM 33 1367.00 XCSE
GENMAB A/S 07-May-2025 09:50:31 AM 32 1367.00 TQEX
GENMAB A/S 07-May-2025 09:50:31 AM 28 1367.00 CEUX
GENMAB A/S 07-May-2025 09:50:35 AM 34 1366.50 XCSE
GENMAB A/S 07-May-2025 09:50:35 AM 31 1366.50 CEUX
GENMAB A/S 07-May-2025 09:51:05 AM 27 1366.50 XCSE
GENMAB A/S 07-May-2025 09:52:44 AM 28 1368.00 XCSE
GENMAB A/S 07-May-2025 09:52:44 AM 32 1367.50 XCSE
GENMAB A/S 07-May-2025 09:52:44 AM 36 1367.00 XCSE
GENMAB A/S 07-May-2025 09:52:44 AM 26 1367.50 TQEX
GENMAB A/S 07-May-2025 09:52:44 AM 28 1368.00 CEUX
GENMAB A/S 07-May-2025 09:52:44 AM 32 1367.50 CEUX
GENMAB A/S 07-May-2025 09:52:44 AM 26 1367.00 CEUX
GENMAB A/S 07-May-2025 09:53:18 AM 28 1367.00 XCSE
GENMAB A/S 07-May-2025 09:53:18 AM 28 1366.50 CEUX
GENMAB A/S 07-May-2025 09:54:37 AM 27 1366.50 XCSE
GENMAB A/S 07-May-2025 09:54:37 AM 29 1366.50 TQEX
GENMAB A/S 07-May-2025 09:54:37 AM 30 1366.50 CEUX
GENMAB A/S 07-May-2025 09:54:43 AM 28 1366.00 CEUX
GENMAB A/S 07-May-2025 09:55:16 AM 29 1366.00 XCSE
GENMAB A/S 07-May-2025 09:55:16 AM 28 1365.50 XCSE
GENMAB A/S 07-May-2025 09:55:16 AM 27 1365.50 CEUX
GENMAB A/S 07-May-2025 09:55:38 AM 17 1364.00 AQEU
GENMAB A/S 07-May-2025 09:56:04 AM 11 1364.00 AQEU
GENMAB A/S 07-May-2025 09:56:15 AM 33 1363.50 XCSE
22




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 09:56:15 AM 24 1363.50 CEUX
GENMAB A/S 07-May-2025 09:56:15 AM 2 1363.50 CEUX
GENMAB A/S 07-May-2025 09:56:17 AM 36 1363.50 AQEU
GENMAB A/S 07-May-2025 09:57:17 AM 26 1364.50 XCSE
GENMAB A/S 07-May-2025 09:57:17 AM 27 1364.00 XCSE
GENMAB A/S 07-May-2025 09:57:17 AM 34 1364.00 CEUX
GENMAB A/S 07-May-2025 09:57:17 AM 30 1364.50 AQEU
GENMAB A/S 07-May-2025 09:57:51 AM 31 1364.00 TQEX
GENMAB A/S 07-May-2025 09:57:57 AM 5 1364.00 XCSE
GENMAB A/S 07-May-2025 09:59:42 AM 45 1364.50 CEUX
GENMAB A/S 07-May-2025 09:59:42 AM 27 1364.50 AQEU
GENMAB A/S 07-May-2025 10:00:00 AM 46 1365.00 XCSE
GENMAB A/S 07-May-2025 10:00:00 AM 9 1365.00 XCSE
GENMAB A/S 07-May-2025 10:00:00 AM 14 1365.00 XCSE
GENMAB A/S 07-May-2025 10:00:00 AM 6 1365.00 XCSE
GENMAB A/S 07-May-2025 10:00:00 AM 9 1365.00 TQEX
GENMAB A/S 07-May-2025 10:00:00 AM 17 1365.00 TQEX
GENMAB A/S 07-May-2025 10:00:03 AM 28 1365.50 XCSE
GENMAB A/S 07-May-2025 10:00:07 AM 30 1366.00 XCSE
GENMAB A/S 07-May-2025 10:00:07 AM 10 1366.00 AQEU
GENMAB A/S 07-May-2025 10:00:10 AM 39 1365.50 CEUX
GENMAB A/S 07-May-2025 10:00:12 AM 40 1365.00 CEUX
GENMAB A/S 07-May-2025 10:00:39 AM 36 1365.50 CEUX
GENMAB A/S 07-May-2025 10:02:32 AM 41 1367.00 XCSE
GENMAB A/S 07-May-2025 10:03:21 AM 39 1366.50 XCSE
GENMAB A/S 07-May-2025 10:03:21 AM 30 1366.50 TQEX
GENMAB A/S 07-May-2025 10:03:21 AM 21 1366.50 CEUX
GENMAB A/S 07-May-2025 10:03:21 AM 15 1366.50 CEUX
GENMAB A/S 07-May-2025 10:03:54 AM 38 1366.00 XCSE
GENMAB A/S 07-May-2025 10:03:54 AM 26 1365.50 XCSE
GENMAB A/S 07-May-2025 10:03:54 AM 30 1366.00 CEUX
GENMAB A/S 07-May-2025 10:03:54 AM 32 1365.50 CEUX
GENMAB A/S 07-May-2025 10:04:11 AM 33 1365.00 XCSE
GENMAB A/S 07-May-2025 10:04:11 AM 14 1365.00 CEUX
GENMAB A/S 07-May-2025 10:05:04 AM 31 1367.00 XCSE
GENMAB A/S 07-May-2025 10:05:04 AM 35 1367.00 CEUX
GENMAB A/S 07-May-2025 10:05:30 AM 48 1367.00 AQEU
GENMAB A/S 07-May-2025 10:05:44 AM 28 1366.50 XCSE
GENMAB A/S 07-May-2025 10:05:50 AM 26 1367.00 TQEX
GENMAB A/S 07-May-2025 10:05:50 AM 45 1367.00 CEUX
GENMAB A/S 07-May-2025 10:05:55 AM 33 1366.50 CEUX
GENMAB A/S 07-May-2025 10:07:09 AM 36 1368.50 CEUX
23




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 10:07:11 AM 34 1368.00 XCSE
GENMAB A/S 07-May-2025 10:07:43 AM 28 1368.50 XCSE
GENMAB A/S 07-May-2025 10:09:24 AM 41 1368.50 CEUX
GENMAB A/S 07-May-2025 10:09:25 AM 50 1369.00 XCSE
GENMAB A/S 07-May-2025 10:09:25 AM 13 1369.00 TQEX
GENMAB A/S 07-May-2025 10:10:51 AM 6 1369.50 CEUX
GENMAB A/S 07-May-2025 10:10:51 AM 21 1369.50 CEUX
GENMAB A/S 07-May-2025 10:10:51 AM 3 1369.50 CEUX
GENMAB A/S 07-May-2025 10:10:51 AM 28 1369.50 CEUX
GENMAB A/S 07-May-2025 10:10:51 AM 35 1370.50 CEUX
GENMAB A/S 07-May-2025 10:11:14 AM 36 1371.00 CEUX
GENMAB A/S 07-May-2025 10:11:31 AM 38 1370.50 XCSE
GENMAB A/S 07-May-2025 10:11:31 AM 19 1370.50 XCSE
GENMAB A/S 07-May-2025 10:11:31 AM 8 1370.50 CEUX
GENMAB A/S 07-May-2025 10:11:31 AM 10 1370.50 CEUX
GENMAB A/S 07-May-2025 10:11:31 AM 26 1370.50 AQEU
GENMAB A/S 07-May-2025 10:12:55 AM 59 1372.00 XCSE
GENMAB A/S 07-May-2025 10:12:55 AM 31 1372.00 TQEX
GENMAB A/S 07-May-2025 10:14:41 AM 73 1374.00 XCSE
GENMAB A/S 07-May-2025 10:14:41 AM 64 1373.50 XCSE
GENMAB A/S 07-May-2025 10:14:41 AM 2 1373.50 TQEX
GENMAB A/S 07-May-2025 10:14:41 AM 32 1373.50 TQEX
GENMAB A/S 07-May-2025 10:14:41 AM 57 1373.50 CEUX
GENMAB A/S 07-May-2025 10:14:41 AM 26 1374.00 AQEU
GENMAB A/S 07-May-2025 10:14:45 AM 68 1373.00 XCSE
GENMAB A/S 07-May-2025 10:14:45 AM 62 1373.00 CEUX
GENMAB A/S 07-May-2025 10:16:11 AM 27 1373.00 XCSE
GENMAB A/S 07-May-2025 10:16:58 AM 26 1372.50 XCSE
GENMAB A/S 07-May-2025 10:16:58 AM 53 1372.50 CEUX
GENMAB A/S 07-May-2025 10:17:04 AM 43 1372.50 CEUX
GENMAB A/S 07-May-2025 10:17:08 AM 5 1372.00 XCSE
GENMAB A/S 07-May-2025 10:17:08 AM 21 1372.00 XCSE
GENMAB A/S 07-May-2025 10:17:08 AM 26 1372.00 CEUX
GENMAB A/S 07-May-2025 10:17:22 AM 10 1373.50 XCSE
GENMAB A/S 07-May-2025 10:17:22 AM 10 1373.50 XCSE
GENMAB A/S 07-May-2025 10:18:59 AM 34 1374.50 XCSE
GENMAB A/S 07-May-2025 10:18:59 AM 8 1374.50 TQEX
GENMAB A/S 07-May-2025 10:18:59 AM 20 1374.50 TQEX
GENMAB A/S 07-May-2025 10:18:59 AM 26 1374.50 AQEU
GENMAB A/S 07-May-2025 10:20:17 AM 33 1374.00 XCSE
GENMAB A/S 07-May-2025 10:20:17 AM 32 1374.00 CEUX
GENMAB A/S 07-May-2025 10:20:17 AM 17 1374.00 CEUX
24




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 10:20:20 AM 7 1373.50 XCSE
GENMAB A/S 07-May-2025 10:20:20 AM 34 1373.50 CEUX
GENMAB A/S 07-May-2025 10:20:26 AM 3 1373.00 XCSE
GENMAB A/S 07-May-2025 10:20:26 AM 27 1373.00 XCSE
GENMAB A/S 07-May-2025 10:20:26 AM 34 1373.00 CEUX
GENMAB A/S 07-May-2025 10:20:27 AM 33 1372.50 XCSE
GENMAB A/S 07-May-2025 10:20:27 AM 57 1372.50 CEUX
GENMAB A/S 07-May-2025 10:21:02 AM 18 1372.50 XCSE
GENMAB A/S 07-May-2025 10:21:02 AM 4 1372.50 XCSE
GENMAB A/S 07-May-2025 10:21:06 AM 5 1372.50 XCSE
GENMAB A/S 07-May-2025 10:21:23 AM 46 1372.00 XCSE
GENMAB A/S 07-May-2025 10:21:23 AM 1 1372.00 CEUX
GENMAB A/S 07-May-2025 10:21:23 AM 26 1372.00 CEUX
GENMAB A/S 07-May-2025 10:21:26 AM 26 1371.50 CEUX
GENMAB A/S 07-May-2025 10:21:27 AM 2 1371.00 CEUX
GENMAB A/S 07-May-2025 10:21:27 AM 25 1371.00 CEUX
GENMAB A/S 07-May-2025 10:21:50 AM 29 1370.00 XCSE
GENMAB A/S 07-May-2025 10:21:50 AM 26 1369.50 XCSE
GENMAB A/S 07-May-2025 10:21:50 AM 26 1369.50 AQEU
GENMAB A/S 07-May-2025 10:22:08 AM 29 1368.00 CEUX
GENMAB A/S 07-May-2025 10:23:15 AM 31 1368.50 CEUX
GENMAB A/S 07-May-2025 10:23:20 AM 26 1368.00 XCSE
GENMAB A/S 07-May-2025 10:23:20 AM 15 1368.00 TQEX
GENMAB A/S 07-May-2025 10:23:20 AM 11 1368.00 TQEX
GENMAB A/S 07-May-2025 10:23:20 AM 27 1368.00 CEUX
GENMAB A/S 07-May-2025 10:23:22 AM 27 1367.50 XCSE
GENMAB A/S 07-May-2025 10:24:02 AM 29 1365.50 CEUX
GENMAB A/S 07-May-2025 10:24:09 AM 31 1365.50 XCSE
GENMAB A/S 07-May-2025 10:26:45 AM 45 1372.50 XCSE
GENMAB A/S 07-May-2025 10:26:45 AM 26 1372.50 TQEX
GENMAB A/S 07-May-2025 10:26:45 AM 26 1372.50 AQEU
GENMAB A/S 07-May-2025 10:27:09 AM 50 1372.00 XCSE
GENMAB A/S 07-May-2025 10:27:09 AM 49 1371.50 XCSE
GENMAB A/S 07-May-2025 10:27:09 AM 32 1372.00 CEUX
GENMAB A/S 07-May-2025 10:27:09 AM 19 1372.00 CEUX
GENMAB A/S 07-May-2025 10:27:09 AM 38 1371.50 CEUX
GENMAB A/S 07-May-2025 10:27:10 AM 8 1371.00 CEUX
GENMAB A/S 07-May-2025 10:27:10 AM 1 1371.00 CEUX
GENMAB A/S 07-May-2025 10:30:46 AM 26 1371.50 XCSE
GENMAB A/S 07-May-2025 10:30:46 AM 29 1371.50 CEUX
GENMAB A/S 07-May-2025 10:30:56 AM 28 1371.00 XCSE
25




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 10:30:56 AM 26 1371.00 AQEU
GENMAB A/S 07-May-2025 10:32:36 AM 15 1374.00 XCSE
GENMAB A/S 07-May-2025 10:32:47 AM 12 1374.00 XCSE
GENMAB A/S 07-May-2025 10:32:47 AM 34 1374.00 TQEX
GENMAB A/S 07-May-2025 10:32:53 AM 34 1374.50 CEUX
GENMAB A/S 07-May-2025 10:32:53 AM 50 1374.50 CEUX
GENMAB A/S 07-May-2025 10:36:24 AM 17 1376.50 TQEX
GENMAB A/S 07-May-2025 10:36:24 AM 13 1376.50 CEUX
GENMAB A/S 07-May-2025 10:37:00 AM 26 1377.50 AQEU
GENMAB A/S 07-May-2025 10:37:04 AM 17 1377.00 XCSE
GENMAB A/S 07-May-2025 10:37:04 AM 63 1377.00 XCSE
GENMAB A/S 07-May-2025 10:37:04 AM 81 1376.50 XCSE
GENMAB A/S 07-May-2025 10:37:04 AM 78 1376.00 XCSE
GENMAB A/S 07-May-2025 10:37:04 AM 27 1377.00 TQEX
GENMAB A/S 07-May-2025 10:37:04 AM 11 1376.50 TQEX
GENMAB A/S 07-May-2025 10:37:04 AM 35 1377.00 CEUX
GENMAB A/S 07-May-2025 10:37:04 AM 47 1377.00 CEUX
GENMAB A/S 07-May-2025 10:37:04 AM 65 1376.50 CEUX
GENMAB A/S 07-May-2025 10:37:04 AM 78 1376.00 CEUX
GENMAB A/S 07-May-2025 10:37:07 AM 66 1375.50 XCSE
GENMAB A/S 07-May-2025 10:40:07 AM 42 1378.00 XCSE
GENMAB A/S 07-May-2025 10:40:07 AM 35 1378.00 TQEX
GENMAB A/S 07-May-2025 10:40:07 AM 69 1378.00 CEUX
GENMAB A/S 07-May-2025 10:40:07 AM 26 1378.00 AQEU
GENMAB A/S 07-May-2025 10:40:12 AM 28 1377.50 XCSE
GENMAB A/S 07-May-2025 10:40:12 AM 8 1377.50 CEUX
GENMAB A/S 07-May-2025 10:40:12 AM 29 1377.50 CEUX
GENMAB A/S 07-May-2025 10:40:38 AM 17 1377.50 CEUX
GENMAB A/S 07-May-2025 10:40:39 AM 7 1377.50 CEUX
GENMAB A/S 07-May-2025 10:43:01 AM 60 1377.50 XCSE
GENMAB A/S 07-May-2025 10:44:01 AM 48 1377.50 XCSE
GENMAB A/S 07-May-2025 10:44:01 AM 34 1377.00 XCSE
GENMAB A/S 07-May-2025 10:44:01 AM 5 1377.50 TQEX
GENMAB A/S 07-May-2025 10:44:01 AM 28 1377.50 TQEX
GENMAB A/S 07-May-2025 10:44:01 AM 79 1377.50 CEUX
GENMAB A/S 07-May-2025 10:44:01 AM 18 1377.00 CEUX
GENMAB A/S 07-May-2025 10:44:01 AM 18 1377.00 CEUX
GENMAB A/S 07-May-2025 10:44:01 AM 26 1377.50 AQEU
GENMAB A/S 07-May-2025 10:44:08 AM 32 1376.50 XCSE
GENMAB A/S 07-May-2025 10:44:08 AM 25 1377.00 CEUX
GENMAB A/S 07-May-2025 10:44:08 AM 44 1376.50 CEUX
GENMAB A/S 07-May-2025 10:45:35 AM 31 1377.50 XCSE
26




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 10:46:35 AM 34 1379.00 CEUX
GENMAB A/S 07-May-2025 10:46:47 AM 27 1379.00 TQEX
GENMAB A/S 07-May-2025 10:46:47 AM 17 1379.00 CEUX
GENMAB A/S 07-May-2025 10:47:53 AM 5 1378.50 AQEU
GENMAB A/S 07-May-2025 10:47:58 AM 3 1378.50 AQEU
GENMAB A/S 07-May-2025 10:48:00 AM 23 1378.50 XCSE
GENMAB A/S 07-May-2025 10:48:00 AM 44 1378.50 CEUX
GENMAB A/S 07-May-2025 10:48:49 AM 29 1378.50 XCSE
GENMAB A/S 07-May-2025 10:48:49 AM 40 1378.50 CEUX
GENMAB A/S 07-May-2025 10:53:10 AM 34 1379.50 AQEU
GENMAB A/S 07-May-2025 10:53:10 AM 79 1379.50 CEUX
GENMAB A/S 07-May-2025 10:53:21 AM 25 1379.00 XCSE
GENMAB A/S 07-May-2025 10:53:21 AM 57 1379.00 XCSE
GENMAB A/S 07-May-2025 10:53:21 AM 6 1379.00 AQEU
GENMAB A/S 07-May-2025 10:53:21 AM 23 1379.00 AQEU
GENMAB A/S 07-May-2025 10:53:21 AM 80 1379.00 CEUX
GENMAB A/S 07-May-2025 10:55:28 AM 83 1380.50 XCSE
GENMAB A/S 07-May-2025 10:55:43 AM 12 1380.50 TQEX
GENMAB A/S 07-May-2025 10:55:48 AM 8 1380.50 CEUX
GENMAB A/S 07-May-2025 10:55:48 AM 24 1380.50 CEUX
GENMAB A/S 07-May-2025 10:55:50 AM 4 1380.50 CEUX
GENMAB A/S 07-May-2025 10:56:18 AM 2 1380.50 TQEX
GENMAB A/S 07-May-2025 10:56:18 AM 2 1380.50 TQEX
GENMAB A/S 07-May-2025 10:56:18 AM 2 1380.50 TQEX
GENMAB A/S 07-May-2025 10:57:20 AM 26 1381.00 AQEU
GENMAB A/S 07-May-2025 10:57:41 AM 16 1381.00 XCSE
GENMAB A/S 07-May-2025 10:57:41 AM 62 1381.00 XCSE
GENMAB A/S 07-May-2025 10:57:41 AM 25 1381.00 TQEX
GENMAB A/S 07-May-2025 10:57:41 AM 1 1381.00 TQEX
GENMAB A/S 07-May-2025 10:57:44 AM 35 1380.50 XCSE
GENMAB A/S 07-May-2025 10:58:00 AM 29 1380.50 CEUX
GENMAB A/S 07-May-2025 10:58:57 AM 18 1380.50 XCSE
GENMAB A/S 07-May-2025 10:59:01 AM 3 1380.50 CEUX
GENMAB A/S 07-May-2025 10:59:02 AM 28 1380.50 XCSE
GENMAB A/S 07-May-2025 10:59:02 AM 28 1380.00 XCSE
GENMAB A/S 07-May-2025 10:59:02 AM 54 1380.00 XCSE
GENMAB A/S 07-May-2025 10:59:02 AM 8 1380.50 TQEX
GENMAB A/S 07-May-2025 10:59:02 AM 61 1380.00 CEUX
GENMAB A/S 07-May-2025 10:59:05 AM 30 1379.50 XCSE
GENMAB A/S 07-May-2025 10:59:12 AM 53 1379.50 XCSE
GENMAB A/S 07-May-2025 10:59:12 AM 30 1379.50 CEUX
GENMAB A/S 07-May-2025 10:59:12 AM 25 1379.50 CEUX
27




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 10:59:48 AM 28 1379.00 CEUX
GENMAB A/S 07-May-2025 10:59:52 AM 75 1379.00 XCSE
GENMAB A/S 07-May-2025 10:59:52 AM 5 1377.50 AQEU
GENMAB A/S 07-May-2025 10:59:52 AM 54 1379.00 CEUX
GENMAB A/S 07-May-2025 10:59:52 AM 57 1378.50 CEUX
GENMAB A/S 07-May-2025 10:59:55 AM 24 1377.50 AQEU
GENMAB A/S 07-May-2025 11:02:44 AM 10 1378.00 CEUX
GENMAB A/S 07-May-2025 11:03:07 AM 4 1379.00 XCSE
GENMAB A/S 07-May-2025 11:06:11 AM 79 1381.00 XCSE
GENMAB A/S 07-May-2025 11:06:37 AM 44 1380.50 XCSE
GENMAB A/S 07-May-2025 11:06:37 AM 26 1380.50 XCSE
GENMAB A/S 07-May-2025 11:06:37 AM 80 1380.00 XCSE
GENMAB A/S 07-May-2025 11:06:37 AM 63 1379.50 XCSE
GENMAB A/S 07-May-2025 11:06:37 AM 18 1380.50 AQEU
GENMAB A/S 07-May-2025 11:06:37 AM 9 1380.50 AQEU
GENMAB A/S 07-May-2025 11:06:37 AM 13 1380.50 TQEX
GENMAB A/S 07-May-2025 11:06:37 AM 22 1380.50 TQEX
GENMAB A/S 07-May-2025 11:06:37 AM 35 1380.00 TQEX
GENMAB A/S 07-May-2025 11:06:37 AM 75 1380.50 CEUX
GENMAB A/S 07-May-2025 11:06:37 AM 10 1380.00 CEUX
GENMAB A/S 07-May-2025 11:06:37 AM 53 1380.00 CEUX
GENMAB A/S 07-May-2025 11:06:37 AM 11 1379.50 CEUX
GENMAB A/S 07-May-2025 11:06:37 AM 41 1379.50 CEUX
GENMAB A/S 07-May-2025 11:06:39 AM 48 1379.00 CEUX
GENMAB A/S 07-May-2025 11:09:14 AM 32 1381.00 XCSE
GENMAB A/S 07-May-2025 11:10:52 AM 27 1381.00 TQEX
GENMAB A/S 07-May-2025 11:10:52 AM 18 1380.50 CEUX
GENMAB A/S 07-May-2025 11:10:52 AM 61 1381.00 CEUX
GENMAB A/S 07-May-2025 11:10:55 AM 26 1380.50 XCSE
GENMAB A/S 07-May-2025 11:11:44 AM 44 1381.00 XCSE
GENMAB A/S 07-May-2025 11:11:44 AM 24 1381.00 TQEX
GENMAB A/S 07-May-2025 11:11:45 AM 25 1381.00 AQEU
GENMAB A/S 07-May-2025 11:12:14 AM 50 1380.50 XCSE
GENMAB A/S 07-May-2025 11:12:14 AM 16 1380.50 CEUX
GENMAB A/S 07-May-2025 11:12:36 AM 2 1380.50 XCSE
GENMAB A/S 07-May-2025 11:13:17 AM 29 1381.00 XCSE
GENMAB A/S 07-May-2025 11:14:05 AM 37 1383.00 XCSE
GENMAB A/S 07-May-2025 11:15:27 AM 34 1383.50 XCSE
GENMAB A/S 07-May-2025 11:15:27 AM 11 1383.50 TQEX
GENMAB A/S 07-May-2025 11:15:27 AM 9 1383.50 CEUX
GENMAB A/S 07-May-2025 11:15:27 AM 33 1383.50 CEUX
GENMAB A/S 07-May-2025 11:15:27 AM 34 1383.50 CEUX
28




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 11:15:35 AM 29 1383.50 AQEU
GENMAB A/S 07-May-2025 11:16:59 AM 43 1383.50 CEUX
GENMAB A/S 07-May-2025 11:16:59 AM 26 1383.50 CEUX
GENMAB A/S 07-May-2025 11:20:02 AM 80 1384.50 XCSE
GENMAB A/S 07-May-2025 11:20:02 AM 79 1384.00 XCSE
GENMAB A/S 07-May-2025 11:20:02 AM 26 1384.50 AQEU
GENMAB A/S 07-May-2025 11:20:02 AM 36 1384.50 TQEX
GENMAB A/S 07-May-2025 11:20:02 AM 80 1384.50 CEUX
GENMAB A/S 07-May-2025 11:20:02 AM 77 1384.00 CEUX
GENMAB A/S 07-May-2025 11:20:06 AM 30 1383.50 XCSE
GENMAB A/S 07-May-2025 11:23:35 AM 17 1385.00 XCSE
GENMAB A/S 07-May-2025 11:23:35 AM 54 1385.00 XCSE
GENMAB A/S 07-May-2025 11:23:35 AM 34 1385.00 TQEX
GENMAB A/S 07-May-2025 11:23:35 AM 80 1385.00 CEUX
GENMAB A/S 07-May-2025 11:23:43 AM 14 1385.00 AQEU
GENMAB A/S 07-May-2025 11:26:07 AM 40 1385.50 XCSE
GENMAB A/S 07-May-2025 11:26:07 AM 22 1385.50 XCSE
GENMAB A/S 07-May-2025 11:26:07 AM 21 1385.50 TQEX
GENMAB A/S 07-May-2025 11:26:07 AM 10 1385.50 TQEX
GENMAB A/S 07-May-2025 11:26:07 AM 45 1385.50 CEUX
GENMAB A/S 07-May-2025 11:26:07 AM 24 1385.50 CEUX
GENMAB A/S 07-May-2025 11:28:25 AM 70 1386.50 XCSE
GENMAB A/S 07-May-2025 11:28:25 AM 60 1386.00 XCSE
GENMAB A/S 07-May-2025 11:28:25 AM 35 1386.50 AQEU
GENMAB A/S 07-May-2025 11:28:25 AM 75 1386.50 CEUX
GENMAB A/S 07-May-2025 11:28:25 AM 72 1386.00 CEUX
GENMAB A/S 07-May-2025 11:28:28 AM 1 1385.50 XCSE
GENMAB A/S 07-May-2025 11:28:28 AM 65 1385.50 XCSE
GENMAB A/S 07-May-2025 11:28:28 AM 61 1385.50 CEUX
GENMAB A/S 07-May-2025 11:29:57 AM 26 1385.00 XCSE
GENMAB A/S 07-May-2025 11:29:57 AM 27 1385.00 TQEX
GENMAB A/S 07-May-2025 11:29:57 AM 24 1385.50 CEUX
GENMAB A/S 07-May-2025 11:29:57 AM 2 1385.50 CEUX
GENMAB A/S 07-May-2025 11:29:57 AM 26 1385.00 CEUX
GENMAB A/S 07-May-2025 11:30:54 AM 26 1385.50 XCSE
GENMAB A/S 07-May-2025 11:30:54 AM 27 1385.50 CEUX
GENMAB A/S 07-May-2025 11:30:55 AM 3 1385.00 XCSE
GENMAB A/S 07-May-2025 11:30:55 AM 23 1385.00 XCSE
GENMAB A/S 07-May-2025 11:30:55 AM 15 1385.00 CEUX
GENMAB A/S 07-May-2025 11:31:54 AM 34 1386.50 CEUX
GENMAB A/S 07-May-2025 11:32:27 AM 26 1386.00 XCSE
GENMAB A/S 07-May-2025 11:32:27 AM 14 1386.00 AQEU
29




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 11:33:51 AM 24 1385.50 CEUX
GENMAB A/S 07-May-2025 11:33:54 AM 26 1385.50 XCSE
GENMAB A/S 07-May-2025 11:33:54 AM 6 1385.50 CEUX
GENMAB A/S 07-May-2025 11:33:56 AM 26 1385.00 XCSE
GENMAB A/S 07-May-2025 11:33:56 AM 32 1385.00 CEUX
GENMAB A/S 07-May-2025 11:33:59 AM 27 1384.50 XCSE
GENMAB A/S 07-May-2025 11:33:59 AM 29 1384.50 CEUX
GENMAB A/S 07-May-2025 11:34:57 AM 30 1383.50 XCSE
GENMAB A/S 07-May-2025 11:35:45 AM 27 1383.00 XCSE
GENMAB A/S 07-May-2025 11:35:45 AM 21 1383.00 CEUX
GENMAB A/S 07-May-2025 11:35:45 AM 7 1383.00 CEUX
GENMAB A/S 07-May-2025 11:35:47 AM 6 1382.50 XCSE
GENMAB A/S 07-May-2025 11:35:47 AM 22 1382.50 XCSE
GENMAB A/S 07-May-2025 11:35:47 AM 26 1382.50 CEUX
GENMAB A/S 07-May-2025 11:36:01 AM 29 1379.00 AQEU
GENMAB A/S 07-May-2025 11:36:27 AM 26 1380.00 CEUX
GENMAB A/S 07-May-2025 11:37:33 AM 27 1380.50 CEUX
GENMAB A/S 07-May-2025 11:38:09 AM 29 1380.00 XCSE
GENMAB A/S 07-May-2025 11:38:09 AM 26 1379.50 XCSE
GENMAB A/S 07-May-2025 11:38:09 AM 24 1380.00 TQEX
GENMAB A/S 07-May-2025 11:38:09 AM 2 1380.00 TQEX
GENMAB A/S 07-May-2025 11:38:13 AM 26 1379.00 XCSE
GENMAB A/S 07-May-2025 11:39:06 AM 26 1379.00 CEUX
GENMAB A/S 07-May-2025 11:39:28 AM 8 1378.50 XCSE
GENMAB A/S 07-May-2025 11:39:28 AM 13 1378.50 XCSE
GENMAB A/S 07-May-2025 11:41:35 AM 13 1379.50 XCSE
GENMAB A/S 07-May-2025 11:41:35 AM 27 1379.50 XCSE
GENMAB A/S 07-May-2025 11:43:50 AM 40 1380.00 XCSE
GENMAB A/S 07-May-2025 11:44:00 AM 44 1379.50 XCSE
GENMAB A/S 07-May-2025 11:44:00 AM 26 1379.50 TQEX
GENMAB A/S 07-May-2025 11:44:00 AM 28 1379.50 AQEU
GENMAB A/S 07-May-2025 11:44:00 AM 51 1379.50 CEUX
GENMAB A/S 07-May-2025 11:44:00 AM 29 1379.00 CEUX
GENMAB A/S 07-May-2025 11:44:52 AM 23 1379.00 XCSE
GENMAB A/S 07-May-2025 11:44:52 AM 6 1379.00 XCSE
GENMAB A/S 07-May-2025 11:44:52 AM 36 1378.50 CEUX
GENMAB A/S 07-May-2025 11:44:53 AM 30 1378.50 XCSE
GENMAB A/S 07-May-2025 11:44:53 AM 6 1378.50 CEUX
GENMAB A/S 07-May-2025 11:44:53 AM 22 1378.50 CEUX
GENMAB A/S 07-May-2025 11:47:57 AM 26 1380.50 TQEX
GENMAB A/S 07-May-2025 11:52:16 AM 22 1380.00 CEUX
GENMAB A/S 07-May-2025 11:55:17 AM 35 1382.00 TQEX
30




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 11:55:17 AM 20 1382.50 AQEU
GENMAB A/S 07-May-2025 11:55:17 AM 82 1382.50 CEUX
GENMAB A/S 07-May-2025 11:55:28 AM 7 1382.50 AQEU
GENMAB A/S 07-May-2025 11:56:15 AM 80 1383.00 XCSE
GENMAB A/S 07-May-2025 11:56:15 AM 34 1383.00 TQEX
GENMAB A/S 07-May-2025 11:56:15 AM 27 1383.00 AQEU
GENMAB A/S 07-May-2025 11:56:15 AM 82 1383.00 CEUX
GENMAB A/S 07-May-2025 11:58:06 AM 78 1382.50 XCSE
GENMAB A/S 07-May-2025 11:58:06 AM 79 1382.50 CEUX
GENMAB A/S 07-May-2025 11:58:09 AM 31 1382.00 XCSE
GENMAB A/S 07-May-2025 11:58:09 AM 52 1382.00 XCSE
GENMAB A/S 07-May-2025 11:58:09 AM 80 1382.00 CEUX
GENMAB A/S 07-May-2025 11:58:21 AM 30 1382.50 XCSE
GENMAB A/S 07-May-2025 11:59:42 AM 56 1382.00 XCSE
GENMAB A/S 07-May-2025 11:59:42 AM 11 1382.00 XCSE
GENMAB A/S 07-May-2025 11:59:42 AM 26 1382.00 AQEU
GENMAB A/S 07-May-2025 11:59:42 AM 3 1382.00 CEUX
GENMAB A/S 07-May-2025 11:59:50 AM 38 1382.00 XCSE
GENMAB A/S 07-May-2025 12:00:37 PM 81 1381.50 XCSE
GENMAB A/S 07-May-2025 12:00:37 PM 34 1381.50 TQEX
GENMAB A/S 07-May-2025 12:00:37 PM 52 1381.50 CEUX
GENMAB A/S 07-May-2025 12:00:37 PM 56 1381.00 CEUX
GENMAB A/S 07-May-2025 12:00:40 PM 27 1380.50 CEUX
GENMAB A/S 07-May-2025 12:03:20 PM 1 1378.00 XCSE
GENMAB A/S 07-May-2025 12:03:20 PM 32 1378.00 XCSE
GENMAB A/S 07-May-2025 12:03:20 PM 30 1378.00 CEUX
GENMAB A/S 07-May-2025 12:05:36 PM 26 1378.00 AQEU
GENMAB A/S 07-May-2025 12:05:36 PM 35 1378.00 CEUX
GENMAB A/S 07-May-2025 12:05:50 PM 6 1377.50 CEUX
GENMAB A/S 07-May-2025 12:07:11 PM 26 1378.00 TQEX
GENMAB A/S 07-May-2025 12:07:11 PM 52 1378.00 CEUX
GENMAB A/S 07-May-2025 12:07:11 PM 4 1378.00 CEUX
GENMAB A/S 07-May-2025 12:09:25 PM 32 1378.00 XCSE
GENMAB A/S 07-May-2025 12:09:25 PM 9 1378.00 XCSE
GENMAB A/S 07-May-2025 12:09:25 PM 29 1378.00 XCSE
GENMAB A/S 07-May-2025 12:09:25 PM 26 1377.50 XCSE
GENMAB A/S 07-May-2025 12:09:25 PM 3 1377.50 TQEX
GENMAB A/S 07-May-2025 12:09:25 PM 2 1377.50 TQEX
GENMAB A/S 07-May-2025 12:09:25 PM 46 1378.00 CEUX
GENMAB A/S 07-May-2025 12:09:25 PM 2 1377.50 CEUX
GENMAB A/S 07-May-2025 12:09:25 PM 20 1377.50 CEUX
GENMAB A/S 07-May-2025 12:09:25 PM 20 1377.00 CEUX
31




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 12:09:25 PM 5 1377.00 CEUX
GENMAB A/S 07-May-2025 12:09:25 PM 3 1377.00 CEUX
GENMAB A/S 07-May-2025 12:09:26 PM 7 1377.00 XCSE
GENMAB A/S 07-May-2025 12:09:26 PM 3 1377.00 XCSE
GENMAB A/S 07-May-2025 12:09:26 PM 4 1377.00 XCSE
GENMAB A/S 07-May-2025 12:09:26 PM 6 1377.00 XCSE
GENMAB A/S 07-May-2025 12:09:26 PM 2 1377.00 XCSE
GENMAB A/S 07-May-2025 12:09:26 PM 6 1377.00 XCSE
GENMAB A/S 07-May-2025 12:09:26 PM 5 1377.00 XCSE
GENMAB A/S 07-May-2025 12:09:26 PM 6 1377.00 XCSE
GENMAB A/S 07-May-2025 12:09:26 PM 22 1378.00 XCSE
GENMAB A/S 07-May-2025 12:09:26 PM 17 1378.00 XCSE
GENMAB A/S 07-May-2025 12:09:26 PM 3 1378.00 CEUX
GENMAB A/S 07-May-2025 12:09:26 PM 10 1378.00 CEUX
GENMAB A/S 07-May-2025 12:09:26 PM 13 1378.00 CEUX
GENMAB A/S 07-May-2025 12:09:26 PM 7 1378.00 CEUX
GENMAB A/S 07-May-2025 12:09:33 PM 29 1378.00 XCSE
GENMAB A/S 07-May-2025 12:09:33 PM 33 1378.50 AQEU
GENMAB A/S 07-May-2025 12:09:34 PM 40 1377.50 XCSE
GENMAB A/S 07-May-2025 12:10:19 PM 26 1378.00 CEUX
GENMAB A/S 07-May-2025 12:11:46 PM 26 1378.00 XCSE
GENMAB A/S 07-May-2025 12:11:46 PM 26 1378.00 CEUX
GENMAB A/S 07-May-2025 12:17:59 PM 30 1378.00 XCSE
GENMAB A/S 07-May-2025 12:17:59 PM 30 1378.00 CEUX
GENMAB A/S 07-May-2025 12:18:41 PM 77 1378.00 XCSE
GENMAB A/S 07-May-2025 12:18:45 PM 10 1378.50 XCSE
GENMAB A/S 07-May-2025 12:18:45 PM 36 1378.50 XCSE
GENMAB A/S 07-May-2025 12:19:43 PM 26 1378.50 TQEX
GENMAB A/S 07-May-2025 12:20:05 PM 32 1378.50 CEUX
GENMAB A/S 07-May-2025 12:20:05 PM 49 1378.50 CEUX
GENMAB A/S 07-May-2025 12:22:22 PM 68 1378.50 XCSE
GENMAB A/S 07-May-2025 12:22:22 PM 12 1378.50 TQEX
GENMAB A/S 07-May-2025 12:22:22 PM 22 1378.50 TQEX
GENMAB A/S 07-May-2025 12:22:22 PM 27 1378.50 AQEU
GENMAB A/S 07-May-2025 12:22:22 PM 32 1378.50 CEUX
GENMAB A/S 07-May-2025 12:22:22 PM 34 1378.50 CEUX
GENMAB A/S 07-May-2025 12:23:27 PM 31 1378.50 TQEX
GENMAB A/S 07-May-2025 12:23:27 PM 64 1378.50 CEUX
GENMAB A/S 07-May-2025 12:23:44 PM 11 1378.00 XCSE
GENMAB A/S 07-May-2025 12:23:44 PM 43 1378.00 XCSE
GENMAB A/S 07-May-2025 12:23:44 PM 25 1378.00 AQEU
GENMAB A/S 07-May-2025 12:23:44 PM 69 1378.00 CEUX
32




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 12:24:00 PM 1 1377.50 XCSE
GENMAB A/S 07-May-2025 12:29:41 PM 32 1377.50 CEUX
GENMAB A/S 07-May-2025 12:30:06 PM 26 1377.50 XCSE
GENMAB A/S 07-May-2025 12:30:24 PM 32 1377.00 XCSE
GENMAB A/S 07-May-2025 12:30:24 PM 22 1377.00 XCSE
GENMAB A/S 07-May-2025 12:30:24 PM 31 1377.00 TQEX
GENMAB A/S 07-May-2025 12:30:24 PM 41 1377.00 CEUX
GENMAB A/S 07-May-2025 12:30:25 PM 26 1377.00 AQEU
GENMAB A/S 07-May-2025 12:30:44 PM 29 1376.50 CEUX
GENMAB A/S 07-May-2025 12:30:58 PM 29 1376.50 XCSE
GENMAB A/S 07-May-2025 12:32:17 PM 1 1376.50 XCSE
GENMAB A/S 07-May-2025 12:33:27 PM 18 1376.50 XCSE
GENMAB A/S 07-May-2025 12:35:16 PM 10 1376.50 TQEX
GENMAB A/S 07-May-2025 12:35:16 PM 80 1376.50 CEUX
GENMAB A/S 07-May-2025 12:35:28 PM 20 1376.00 XCSE
GENMAB A/S 07-May-2025 12:35:28 PM 48 1376.00 CEUX
GENMAB A/S 07-May-2025 12:35:36 PM 63 1376.00 XCSE
GENMAB A/S 07-May-2025 12:35:36 PM 84 1375.50 XCSE
GENMAB A/S 07-May-2025 12:35:36 PM 37 1375.50 TQEX
GENMAB A/S 07-May-2025 12:35:36 PM 26 1376.00 AQEU
GENMAB A/S 07-May-2025 12:35:36 PM 30 1376.00 CEUX
GENMAB A/S 07-May-2025 12:35:36 PM 77 1375.50 CEUX
GENMAB A/S 07-May-2025 12:35:37 PM 80 1375.00 XCSE
GENMAB A/S 07-May-2025 12:35:37 PM 73 1375.00 CEUX
GENMAB A/S 07-May-2025 12:35:39 PM 32 1374.50 XCSE
GENMAB A/S 07-May-2025 12:35:39 PM 34 1374.50 XCSE
GENMAB A/S 07-May-2025 12:35:39 PM 17 1374.50 XCSE
GENMAB A/S 07-May-2025 12:35:39 PM 58 1374.00 XCSE
GENMAB A/S 07-May-2025 12:37:23 PM 26 1372.00 XCSE
GENMAB A/S 07-May-2025 12:41:32 PM 11 1372.50 XCSE
GENMAB A/S 07-May-2025 12:44:34 PM 62 1373.50 XCSE
GENMAB A/S 07-May-2025 12:44:36 PM 33 1373.00 XCSE
GENMAB A/S 07-May-2025 12:44:36 PM 27 1373.00 TQEX
GENMAB A/S 07-May-2025 12:46:15 PM 59 1374.00 XCSE
GENMAB A/S 07-May-2025 12:46:15 PM 27 1374.00 TQEX
GENMAB A/S 07-May-2025 12:46:15 PM 79 1374.00 CEUX
GENMAB A/S 07-May-2025 12:46:18 PM 39 1373.50 XCSE
GENMAB A/S 07-May-2025 12:46:18 PM 20 1373.50 XCSE
GENMAB A/S 07-May-2025 12:46:18 PM 26 1373.50 AQEU
GENMAB A/S 07-May-2025 12:46:18 PM 79 1373.50 CEUX
GENMAB A/S 07-May-2025 12:46:21 PM 23 1373.00 XCSE
GENMAB A/S 07-May-2025 12:46:23 PM 26 1373.00 AQEU
33




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 12:46:23 PM 42 1373.00 CEUX
GENMAB A/S 07-May-2025 12:46:23 PM 38 1373.00 CEUX
GENMAB A/S 07-May-2025 12:46:26 PM 84 1372.50 CEUX
GENMAB A/S 07-May-2025 12:49:45 PM 54 1374.00 XCSE
GENMAB A/S 07-May-2025 12:50:20 PM 9 1374.50 XCSE
GENMAB A/S 07-May-2025 12:50:20 PM 44 1374.50 CEUX
GENMAB A/S 07-May-2025 12:50:34 PM 26 1374.50 XCSE
GENMAB A/S 07-May-2025 12:50:34 PM 29 1374.50 TQEX
GENMAB A/S 07-May-2025 12:51:32 PM 18 1374.00 CEUX
GENMAB A/S 07-May-2025 12:51:32 PM 18 1374.00 CEUX
GENMAB A/S 07-May-2025 12:52:29 PM 41 1374.00 XCSE
GENMAB A/S 07-May-2025 12:52:29 PM 23 1374.00 AQEU
GENMAB A/S 07-May-2025 12:52:29 PM 1 1374.00 CEUX
GENMAB A/S 07-May-2025 12:52:35 PM 38 1373.50 CEUX
GENMAB A/S 07-May-2025 12:55:37 PM 42 1374.00 XCSE
GENMAB A/S 07-May-2025 12:55:39 PM 29 1373.50 XCSE
GENMAB A/S 07-May-2025 12:56:03 PM 26 1373.50 TQEX
GENMAB A/S 07-May-2025 12:56:03 PM 28 1373.50 CEUX
GENMAB A/S 07-May-2025 12:56:04 PM 23 1373.50 XCSE
GENMAB A/S 07-May-2025 12:56:04 PM 27 1373.50 AQEU
GENMAB A/S 07-May-2025 12:56:12 PM 28 1373.00 XCSE
GENMAB A/S 07-May-2025 12:56:12 PM 34 1373.00 CEUX
GENMAB A/S 07-May-2025 12:56:38 PM 58 1372.50 XCSE
GENMAB A/S 07-May-2025 12:56:38 PM 17 1372.50 CEUX
GENMAB A/S 07-May-2025 12:56:38 PM 17 1372.50 CEUX
GENMAB A/S 07-May-2025 12:56:42 PM 22 1372.00 XCSE
GENMAB A/S 07-May-2025 12:56:43 PM 44 1372.00 CEUX
GENMAB A/S 07-May-2025 12:57:07 PM 46 1371.50 CEUX
GENMAB A/S 07-May-2025 12:57:10 PM 35 1371.00 XCSE
GENMAB A/S 07-May-2025 13:00:00 PM 38 1373.50 XCSE
GENMAB A/S 07-May-2025 13:00:00 PM 39 1373.00 XCSE
GENMAB A/S 07-May-2025 13:00:00 PM 30 1373.50 TQEX
GENMAB A/S 07-May-2025 13:00:00 PM 26 1373.00 TQEX
GENMAB A/S 07-May-2025 13:00:00 PM 13 1373.50 AQEU
GENMAB A/S 07-May-2025 13:00:00 PM 14 1373.50 AQEU
GENMAB A/S 07-May-2025 13:00:00 PM 27 1373.00 AQEU
GENMAB A/S 07-May-2025 13:00:00 PM 52 1373.50 CEUX
GENMAB A/S 07-May-2025 13:00:00 PM 35 1373.00 CEUX
GENMAB A/S 07-May-2025 13:00:00 PM 19 1373.00 CEUX
GENMAB A/S 07-May-2025 13:00:54 PM 33 1371.50 XCSE
GENMAB A/S 07-May-2025 13:01:43 PM 26 1372.00 XCSE
GENMAB A/S 07-May-2025 13:05:17 PM 54 1372.50 CEUX
34




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 13:06:00 PM 28 1372.00 XCSE
GENMAB A/S 07-May-2025 13:06:00 PM 15 1372.00 CEUX
GENMAB A/S 07-May-2025 13:06:00 PM 30 1372.00 CEUX
GENMAB A/S 07-May-2025 13:06:20 PM 32 1371.50 XCSE
GENMAB A/S 07-May-2025 13:06:20 PM 2 1371.50 CEUX
GENMAB A/S 07-May-2025 13:06:20 PM 35 1371.50 CEUX
GENMAB A/S 07-May-2025 13:06:28 PM 30 1371.00 XCSE
GENMAB A/S 07-May-2025 13:06:28 PM 18 1371.00 CEUX
GENMAB A/S 07-May-2025 13:06:28 PM 29 1371.00 CEUX
GENMAB A/S 07-May-2025 13:06:29 PM 47 1370.50 XCSE
GENMAB A/S 07-May-2025 13:07:11 PM 28 1370.50 XCSE
GENMAB A/S 07-May-2025 13:07:45 PM 27 1370.50 XCSE
GENMAB A/S 07-May-2025 13:07:51 PM 2 1370.50 XCSE
GENMAB A/S 07-May-2025 13:07:51 PM 30 1370.50 XCSE
GENMAB A/S 07-May-2025 13:09:49 PM 26 1374.00 XCSE
GENMAB A/S 07-May-2025 13:09:49 PM 56 1374.00 CEUX
GENMAB A/S 07-May-2025 13:10:49 PM 26 1374.00 TQEX
GENMAB A/S 07-May-2025 13:10:49 PM 27 1374.00 AQEU
GENMAB A/S 07-May-2025 13:10:49 PM 44 1374.00 CEUX
GENMAB A/S 07-May-2025 13:13:22 PM 52 1374.00 XCSE
GENMAB A/S 07-May-2025 13:13:24 PM 10 1373.50 CEUX
GENMAB A/S 07-May-2025 13:16:49 PM 5 1374.50 XCSE
GENMAB A/S 07-May-2025 13:17:14 PM 49 1374.50 XCSE
GENMAB A/S 07-May-2025 13:17:14 PM 26 1374.50 TQEX
GENMAB A/S 07-May-2025 13:17:14 PM 26 1374.50 AQEU
GENMAB A/S 07-May-2025 13:17:14 PM 69 1374.50 CEUX
GENMAB A/S 07-May-2025 13:17:15 PM 18 1374.00 CEUX
GENMAB A/S 07-May-2025 13:17:38 PM 59 1374.00 XCSE
GENMAB A/S 07-May-2025 13:17:38 PM 26 1374.00 CEUX
GENMAB A/S 07-May-2025 13:17:38 PM 20 1374.00 CEUX
GENMAB A/S 07-May-2025 13:20:25 PM 15 1373.50 CEUX
GENMAB A/S 07-May-2025 13:20:40 PM 26 1373.50 XCSE
GENMAB A/S 07-May-2025 13:20:40 PM 16 1373.50 CEUX
GENMAB A/S 07-May-2025 13:22:44 PM 39 1373.00 XCSE
GENMAB A/S 07-May-2025 13:22:44 PM 26 1373.00 TQEX
GENMAB A/S 07-May-2025 13:22:44 PM 15 1373.00 CEUX
GENMAB A/S 07-May-2025 13:22:44 PM 49 1373.00 CEUX
GENMAB A/S 07-May-2025 13:24:19 PM 58 1373.00 CEUX
GENMAB A/S 07-May-2025 13:27:33 PM 26 1374.00 TQEX
GENMAB A/S 07-May-2025 13:30:51 PM 13 1374.00 TQEX
GENMAB A/S 07-May-2025 13:30:51 PM 13 1374.00 TQEX
GENMAB A/S 07-May-2025 13:30:58 PM 27 1373.50 XCSE
35




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 13:33:44 PM 55 1373.50 XCSE
GENMAB A/S 07-May-2025 13:33:44 PM 27 1373.50 AQEU
GENMAB A/S 07-May-2025 13:33:44 PM 81 1373.50 CEUX
GENMAB A/S 07-May-2025 13:33:50 PM 62 1373.00 XCSE
GENMAB A/S 07-May-2025 13:33:50 PM 20 1373.00 XCSE
GENMAB A/S 07-May-2025 13:33:50 PM 16 1373.00 TQEX
GENMAB A/S 07-May-2025 13:33:50 PM 10 1373.00 TQEX
GENMAB A/S 07-May-2025 13:33:50 PM 26 1373.00 AQEU
GENMAB A/S 07-May-2025 13:33:50 PM 58 1373.00 CEUX
GENMAB A/S 07-May-2025 13:33:53 PM 37 1372.50 XCSE
GENMAB A/S 07-May-2025 13:37:50 PM 82 1373.00 CEUX
GENMAB A/S 07-May-2025 13:37:52 PM 58 1372.50 XCSE
GENMAB A/S 07-May-2025 13:37:52 PM 24 1372.50 XCSE
GENMAB A/S 07-May-2025 13:37:52 PM 62 1372.50 CEUX
GENMAB A/S 07-May-2025 13:37:52 PM 4 1372.50 CEUX
GENMAB A/S 07-May-2025 13:38:00 PM 83 1372.00 XCSE
GENMAB A/S 07-May-2025 13:38:00 PM 80 1372.00 CEUX
GENMAB A/S 07-May-2025 13:39:29 PM 84 1371.50 XCSE
GENMAB A/S 07-May-2025 13:39:29 PM 26 1371.50 TQEX
GENMAB A/S 07-May-2025 13:39:29 PM 26 1371.50 AQEU
GENMAB A/S 07-May-2025 13:39:29 PM 3 1371.50 CEUX
GENMAB A/S 07-May-2025 13:39:29 PM 78 1371.50 CEUX
GENMAB A/S 07-May-2025 13:39:31 PM 31 1371.00 XCSE
GENMAB A/S 07-May-2025 13:39:31 PM 49 1371.00 XCSE
GENMAB A/S 07-May-2025 13:41:14 PM 16 1371.00 CEUX
GENMAB A/S 07-May-2025 13:41:37 PM 62 1371.00 CEUX
GENMAB A/S 07-May-2025 13:42:02 PM 56 1371.00 XCSE
GENMAB A/S 07-May-2025 13:42:02 PM 2 1371.00 XCSE
GENMAB A/S 07-May-2025 13:42:02 PM 39 1371.00 CEUX
GENMAB A/S 07-May-2025 13:42:04 PM 28 1370.50 XCSE
GENMAB A/S 07-May-2025 13:42:25 PM 27 1371.00 XCSE
GENMAB A/S 07-May-2025 13:42:25 PM 27 1371.00 CEUX
GENMAB A/S 07-May-2025 13:42:28 PM 11 1370.50 XCSE
GENMAB A/S 07-May-2025 13:42:28 PM 1 1370.50 XCSE
GENMAB A/S 07-May-2025 13:42:28 PM 38 1370.50 XCSE
GENMAB A/S 07-May-2025 13:42:28 PM 14 1370.50 CEUX
GENMAB A/S 07-May-2025 13:44:43 PM 8 1371.50 XCSE
GENMAB A/S 07-May-2025 13:44:53 PM 15 1371.50 XCSE
GENMAB A/S 07-May-2025 13:44:53 PM 22 1371.50 XCSE
GENMAB A/S 07-May-2025 13:44:53 PM 26 1371.50 AQEU
GENMAB A/S 07-May-2025 13:45:54 PM 6 1372.00 XCSE
GENMAB A/S 07-May-2025 13:46:46 PM 33 1372.00 XCSE
36




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 13:46:46 PM 26 1372.00 TQEX
GENMAB A/S 07-May-2025 13:46:46 PM 18 1372.00 CEUX
GENMAB A/S 07-May-2025 13:46:46 PM 28 1372.00 CEUX
GENMAB A/S 07-May-2025 13:51:13 PM 26 1372.50 TQEX
GENMAB A/S 07-May-2025 13:52:24 PM 17 1373.00 XCSE
GENMAB A/S 07-May-2025 13:52:24 PM 6 1373.00 TQEX
GENMAB A/S 07-May-2025 13:52:24 PM 58 1373.00 CEUX
GENMAB A/S 07-May-2025 13:52:24 PM 23 1373.00 CEUX
GENMAB A/S 07-May-2025 13:54:37 PM 10 1373.00 XCSE
GENMAB A/S 07-May-2025 13:54:37 PM 54 1373.00 XCSE
GENMAB A/S 07-May-2025 13:54:37 PM 20 1373.00 TQEX
GENMAB A/S 07-May-2025 13:54:37 PM 26 1373.00 AQEU
GENMAB A/S 07-May-2025 13:56:56 PM 7 1373.00 XCSE
GENMAB A/S 07-May-2025 13:56:56 PM 23 1373.00 XCSE
GENMAB A/S 07-May-2025 13:56:56 PM 9 1373.00 TQEX
GENMAB A/S 07-May-2025 13:57:23 PM 15 1373.00 CEUX
GENMAB A/S 07-May-2025 13:59:55 PM 31 1373.50 TQEX
GENMAB A/S 07-May-2025 13:59:55 PM 79 1373.50 CEUX
GENMAB A/S 07-May-2025 14:00:00 PM 32 1375.00 TQEX
GENMAB A/S 07-May-2025 14:00:00 PM 79 1375.00 CEUX
GENMAB A/S 07-May-2025 14:00:03 PM 79 1374.50 XCSE
GENMAB A/S 07-May-2025 14:00:03 PM 81 1374.50 CEUX
GENMAB A/S 07-May-2025 14:01:13 PM 81 1375.00 XCSE
GENMAB A/S 07-May-2025 14:04:37 PM 83 1374.50 XCSE
GENMAB A/S 07-May-2025 14:04:37 PM 80 1374.00 XCSE
GENMAB A/S 07-May-2025 14:04:37 PM 28 1374.00 TQEX
GENMAB A/S 07-May-2025 14:04:37 PM 31 1374.50 AQEU
GENMAB A/S 07-May-2025 14:04:37 PM 34 1374.00 AQEU
GENMAB A/S 07-May-2025 14:04:37 PM 79 1374.50 CEUX
GENMAB A/S 07-May-2025 14:04:37 PM 80 1374.00 CEUX
GENMAB A/S 07-May-2025 14:07:12 PM 44 1373.50 XCSE
GENMAB A/S 07-May-2025 14:07:12 PM 26 1374.00 TQEX
GENMAB A/S 07-May-2025 14:07:12 PM 81 1374.00 CEUX
GENMAB A/S 07-May-2025 14:07:12 PM 7 1373.50 CEUX
GENMAB A/S 07-May-2025 14:07:51 PM 26 1374.00 AQEU
GENMAB A/S 07-May-2025 14:07:51 PM 82 1374.00 CEUX
GENMAB A/S 07-May-2025 14:08:43 PM 39 1373.50 XCSE
GENMAB A/S 07-May-2025 14:08:43 PM 77 1373.50 CEUX
GENMAB A/S 07-May-2025 14:09:16 PM 34 1373.00 XCSE
GENMAB A/S 07-May-2025 14:09:16 PM 44 1373.00 XCSE
GENMAB A/S 07-May-2025 14:09:16 PM 80 1373.00 CEUX
GENMAB A/S 07-May-2025 14:09:17 PM 31 1373.00 AQEU
37




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 14:09:45 PM 79 1372.50 XCSE
GENMAB A/S 07-May-2025 14:09:45 PM 17 1372.00 XCSE
GENMAB A/S 07-May-2025 14:09:45 PM 8 1372.50 TQEX
GENMAB A/S 07-May-2025 14:09:45 PM 22 1372.50 TQEX
GENMAB A/S 07-May-2025 14:09:45 PM 21 1372.50 CEUX
GENMAB A/S 07-May-2025 14:09:45 PM 27 1372.50 CEUX
GENMAB A/S 07-May-2025 14:10:48 PM 26 1372.50 CEUX
GENMAB A/S 07-May-2025 14:12:18 PM 55 1372.00 CEUX
GENMAB A/S 07-May-2025 14:13:43 PM 46 1372.50 XCSE
GENMAB A/S 07-May-2025 14:13:43 PM 38 1372.50 XCSE
GENMAB A/S 07-May-2025 14:13:43 PM 32 1372.00 CEUX
GENMAB A/S 07-May-2025 14:17:28 PM 7 1374.50 XCSE
GENMAB A/S 07-May-2025 14:21:00 PM 11 1376.50 XCSE
GENMAB A/S 07-May-2025 14:21:00 PM 39 1376.50 XCSE
GENMAB A/S 07-May-2025 14:21:00 PM 13 1376.50 XCSE
GENMAB A/S 07-May-2025 14:21:00 PM 16 1376.50 XCSE
GENMAB A/S 07-May-2025 14:21:02 PM 16 1377.00 XCSE
GENMAB A/S 07-May-2025 14:21:02 PM 17 1377.00 XCSE
GENMAB A/S 07-May-2025 14:21:02 PM 26 1377.00 XCSE
GENMAB A/S 07-May-2025 14:21:02 PM 78 1376.50 XCSE
GENMAB A/S 07-May-2025 14:21:02 PM 25 1376.50 TQEX
GENMAB A/S 07-May-2025 14:21:02 PM 10 1376.50 TQEX
GENMAB A/S 07-May-2025 14:21:02 PM 74 1376.50 CEUX
GENMAB A/S 07-May-2025 14:21:02 PM 4 1376.50 CEUX
GENMAB A/S 07-May-2025 14:21:03 PM 79 1376.00 XCSE
GENMAB A/S 07-May-2025 14:21:03 PM 34 1376.00 TQEX
GENMAB A/S 07-May-2025 14:21:03 PM 36 1376.00 AQEU
GENMAB A/S 07-May-2025 14:21:03 PM 79 1376.00 CEUX
GENMAB A/S 07-May-2025 14:22:00 PM 61 1377.00 XCSE
GENMAB A/S 07-May-2025 14:22:00 PM 17 1377.00 XCSE
GENMAB A/S 07-May-2025 14:22:00 PM 4 1377.00 XCSE
GENMAB A/S 07-May-2025 14:22:00 PM 36 1377.00 AQEU
GENMAB A/S 07-May-2025 14:22:00 PM 60 1377.00 CEUX
GENMAB A/S 07-May-2025 14:22:00 PM 18 1377.00 CEUX
GENMAB A/S 07-May-2025 14:22:03 PM 16 1376.50 XCSE
GENMAB A/S 07-May-2025 14:22:03 PM 63 1376.50 XCSE
GENMAB A/S 07-May-2025 14:22:03 PM 27 1376.50 TQEX
GENMAB A/S 07-May-2025 14:22:03 PM 81 1376.50 CEUX
GENMAB A/S 07-May-2025 14:22:44 PM 77 1376.50 XCSE
GENMAB A/S 07-May-2025 14:22:44 PM 47 1376.50 CEUX
GENMAB A/S 07-May-2025 14:22:47 PM 22 1376.00 XCSE
38




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 14:22:51 PM 46 1376.00 XCSE
GENMAB A/S 07-May-2025 14:23:28 PM 14 1376.00 XCSE
GENMAB A/S 07-May-2025 14:23:28 PM 82 1376.00 CEUX
GENMAB A/S 07-May-2025 14:23:31 PM 25 1375.50 XCSE
GENMAB A/S 07-May-2025 14:23:32 PM 58 1375.50 XCSE
GENMAB A/S 07-May-2025 14:23:32 PM 30 1375.50 CEUX
GENMAB A/S 07-May-2025 14:24:38 PM 4 1375.00 CEUX
GENMAB A/S 07-May-2025 14:26:51 PM 19 1376.00 TQEX
GENMAB A/S 07-May-2025 14:26:51 PM 19 1376.00 CEUX
GENMAB A/S 07-May-2025 14:29:02 PM 83 1377.00 XCSE
GENMAB A/S 07-May-2025 14:29:02 PM 22 1377.00 XCSE
GENMAB A/S 07-May-2025 14:29:02 PM 32 1377.00 TQEX
GENMAB A/S 07-May-2025 14:29:02 PM 26 1377.00 AQEU
GENMAB A/S 07-May-2025 14:29:02 PM 50 1377.00 CEUX
GENMAB A/S 07-May-2025 14:29:02 PM 22 1377.00 CEUX
GENMAB A/S 07-May-2025 14:29:12 PM 43 1377.00 XCSE
GENMAB A/S 07-May-2025 14:29:12 PM 13 1376.50 XCSE
GENMAB A/S 07-May-2025 14:29:21 PM 7 1376.50 AQEU
GENMAB A/S 07-May-2025 14:29:30 PM 1 1376.50 AQEU
GENMAB A/S 07-May-2025 14:29:36 PM 5 1376.50 AQEU
GENMAB A/S 07-May-2025 14:29:40 PM 69 1376.50 XCSE
GENMAB A/S 07-May-2025 14:29:40 PM 21 1376.00 XCSE
GENMAB A/S 07-May-2025 14:29:40 PM 31 1376.00 XCSE
GENMAB A/S 07-May-2025 14:29:40 PM 13 1376.50 AQEU
GENMAB A/S 07-May-2025 14:29:40 PM 58 1376.50 CEUX
GENMAB A/S 07-May-2025 14:29:40 PM 15 1376.00 CEUX
GENMAB A/S 07-May-2025 14:29:40 PM 1 1376.00 CEUX
GENMAB A/S 07-May-2025 14:29:52 PM 22 1376.00 CEUX
GENMAB A/S 07-May-2025 14:31:23 PM 33 1376.50 XCSE
GENMAB A/S 07-May-2025 14:31:23 PM 51 1376.50 CEUX
GENMAB A/S 07-May-2025 14:31:47 PM 9 1376.00 CEUX
GENMAB A/S 07-May-2025 14:31:47 PM 41 1376.00 CEUX
GENMAB A/S 07-May-2025 14:31:50 PM 23 1376.00 XCSE
GENMAB A/S 07-May-2025 14:36:01 PM 69 1376.50 XCSE
GENMAB A/S 07-May-2025 14:36:01 PM 30 1376.50 AQEU
GENMAB A/S 07-May-2025 14:36:01 PM 24 1376.50 CEUX
GENMAB A/S 07-May-2025 14:36:01 PM 59 1376.50 CEUX
GENMAB A/S 07-May-2025 14:36:07 PM 31 1376.50 TQEX
GENMAB A/S 07-May-2025 14:38:51 PM 3 1378.00 TQEX
GENMAB A/S 07-May-2025 14:38:51 PM 26 1378.00 TQEX
GENMAB A/S 07-May-2025 14:38:51 PM 61 1378.00 CEUX
GENMAB A/S 07-May-2025 14:38:51 PM 20 1378.00 CEUX
39




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 14:41:53 PM 82 1378.00 XCSE
GENMAB A/S 07-May-2025 14:41:56 PM 30 1377.50 XCSE
GENMAB A/S 07-May-2025 14:42:31 PM 49 1377.50 XCSE
GENMAB A/S 07-May-2025 14:42:31 PM 27 1377.50 TQEX
GENMAB A/S 07-May-2025 14:42:31 PM 3 1377.50 AQEU
GENMAB A/S 07-May-2025 14:42:31 PM 25 1377.50 AQEU
GENMAB A/S 07-May-2025 14:42:31 PM 81 1377.50 CEUX
GENMAB A/S 07-May-2025 14:42:33 PM 79 1377.00 CEUX
GENMAB A/S 07-May-2025 14:44:16 PM 26 1379.50 TQEX
GENMAB A/S 07-May-2025 14:44:16 PM 80 1379.50 CEUX
GENMAB A/S 07-May-2025 14:45:58 PM 81 1379.00 XCSE
GENMAB A/S 07-May-2025 14:45:58 PM 27 1379.00 AQEU
GENMAB A/S 07-May-2025 14:45:58 PM 52 1379.00 CEUX
GENMAB A/S 07-May-2025 14:45:58 PM 26 1379.00 CEUX
GENMAB A/S 07-May-2025 14:46:00 PM 28 1378.50 XCSE
GENMAB A/S 07-May-2025 14:46:38 PM 12 1378.50 XCSE
GENMAB A/S 07-May-2025 14:46:38 PM 41 1378.50 XCSE
GENMAB A/S 07-May-2025 14:46:38 PM 10 1378.50 TQEX
GENMAB A/S 07-May-2025 14:46:38 PM 12 1378.50 CEUX
GENMAB A/S 07-May-2025 14:46:38 PM 41 1378.50 CEUX
GENMAB A/S 07-May-2025 14:46:38 PM 29 1378.50 CEUX
GENMAB A/S 07-May-2025 14:46:42 PM 14 1378.50 AQEU
GENMAB A/S 07-May-2025 14:46:44 PM 84 1378.00 XCSE
GENMAB A/S 07-May-2025 14:46:44 PM 38 1378.00 CEUX
GENMAB A/S 07-May-2025 14:46:45 PM 81 1377.50 XCSE
GENMAB A/S 07-May-2025 14:46:47 PM 20 1377.00 XCSE
GENMAB A/S 07-May-2025 14:46:47 PM 6 1377.00 XCSE
GENMAB A/S 07-May-2025 14:46:47 PM 65 1377.50 CEUX
GENMAB A/S 07-May-2025 14:46:49 PM 54 1377.00 XCSE
GENMAB A/S 07-May-2025 14:48:43 PM 52 1377.50 XCSE
GENMAB A/S 07-May-2025 14:48:43 PM 27 1377.00 XCSE
GENMAB A/S 07-May-2025 14:48:43 PM 22 1377.50 TQEX
GENMAB A/S 07-May-2025 14:48:43 PM 11 1377.50 TQEX
GENMAB A/S 07-May-2025 14:48:43 PM 35 1377.50 AQEU
GENMAB A/S 07-May-2025 14:48:43 PM 35 1377.50 CEUX
GENMAB A/S 07-May-2025 14:48:43 PM 10 1377.00 CEUX
GENMAB A/S 07-May-2025 14:48:43 PM 27 1377.00 CEUX
GENMAB A/S 07-May-2025 14:48:48 PM 23 1376.50 XCSE
GENMAB A/S 07-May-2025 14:48:59 PM 27 1376.50 XCSE
GENMAB A/S 07-May-2025 14:48:59 PM 4 1376.50 CEUX
GENMAB A/S 07-May-2025 14:49:12 PM 25 1376.50 XCSE
GENMAB A/S 07-May-2025 14:49:12 PM 22 1376.50 CEUX
40




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 14:51:26 PM 29 1376.00 TQEX
GENMAB A/S 07-May-2025 14:51:26 PM 37 1376.00 CEUX
GENMAB A/S 07-May-2025 14:52:03 PM 49 1376.00 XCSE
GENMAB A/S 07-May-2025 14:52:58 PM 1 1375.50 CEUX
GENMAB A/S 07-May-2025 14:52:58 PM 1 1375.50 CEUX
GENMAB A/S 07-May-2025 14:53:00 PM 39 1375.50 XCSE
GENMAB A/S 07-May-2025 14:53:00 PM 31 1375.50 CEUX
GENMAB A/S 07-May-2025 14:54:21 PM 10 1376.00 CEUX
GENMAB A/S 07-May-2025 14:54:40 PM 43 1376.50 XCSE
GENMAB A/S 07-May-2025 14:54:40 PM 13 1376.50 XCSE
GENMAB A/S 07-May-2025 14:54:40 PM 29 1376.50 TQEX
GENMAB A/S 07-May-2025 14:54:40 PM 32 1376.50 AQEU
GENMAB A/S 07-May-2025 14:54:40 PM 52 1376.50 CEUX
GENMAB A/S 07-May-2025 14:54:40 PM 23 1376.50 CEUX
GENMAB A/S 07-May-2025 14:56:09 PM 45 1377.00 XCSE
GENMAB A/S 07-May-2025 14:56:09 PM 55 1377.00 CEUX
GENMAB A/S 07-May-2025 14:56:10 PM 49 1377.00 CEUX
GENMAB A/S 07-May-2025 14:56:12 PM 47 1376.50 XCSE
GENMAB A/S 07-May-2025 14:56:12 PM 27 1376.50 AQEU
GENMAB A/S 07-May-2025 14:56:12 PM 50 1376.50 CEUX
GENMAB A/S 07-May-2025 15:01:14 PM 62 1376.50 XCSE
GENMAB A/S 07-May-2025 15:01:14 PM 12 1376.00 XCSE
GENMAB A/S 07-May-2025 15:01:14 PM 26 1376.00 XCSE
GENMAB A/S 07-May-2025 15:01:14 PM 39 1375.50 XCSE
GENMAB A/S 07-May-2025 15:01:14 PM 5 1375.00 XCSE
GENMAB A/S 07-May-2025 15:01:14 PM 30 1376.50 TQEX
GENMAB A/S 07-May-2025 15:01:14 PM 4 1376.00 TQEX
GENMAB A/S 07-May-2025 15:01:14 PM 26 1376.00 TQEX
GENMAB A/S 07-May-2025 15:01:14 PM 27 1376.00 AQEU
GENMAB A/S 07-May-2025 15:01:14 PM 39 1376.50 CEUX
GENMAB A/S 07-May-2025 15:01:14 PM 32 1376.00 CEUX
GENMAB A/S 07-May-2025 15:01:14 PM 18 1375.50 CEUX
GENMAB A/S 07-May-2025 15:01:14 PM 16 1375.50 CEUX
GENMAB A/S 07-May-2025 15:02:01 PM 64 1376.00 XCSE
GENMAB A/S 07-May-2025 15:02:01 PM 6 1376.00 XCSE
GENMAB A/S 07-May-2025 15:02:13 PM 15 1375.50 CEUX
GENMAB A/S 07-May-2025 15:02:13 PM 2 1375.50 CEUX
GENMAB A/S 07-May-2025 15:02:13 PM 26 1375.50 CEUX
GENMAB A/S 07-May-2025 15:02:31 PM 48 1375.50 XCSE
GENMAB A/S 07-May-2025 15:02:47 PM 76 1375.00 XCSE
GENMAB A/S 07-May-2025 15:02:47 PM 62 1375.00 CEUX
GENMAB A/S 07-May-2025 15:02:51 PM 29 1374.50 XCSE
41




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 15:02:51 PM 4 1374.50 XCSE
GENMAB A/S 07-May-2025 15:02:51 PM 7 1374.50 XCSE
GENMAB A/S 07-May-2025 15:02:51 PM 60 1374.50 CEUX
GENMAB A/S 07-May-2025 15:02:51 PM 31 1374.00 CEUX
GENMAB A/S 07-May-2025 15:03:24 PM 10 1374.50 XCSE
GENMAB A/S 07-May-2025 15:04:35 PM 35 1375.00 XCSE
GENMAB A/S 07-May-2025 15:04:35 PM 26 1375.00 TQEX
GENMAB A/S 07-May-2025 15:04:35 PM 26 1375.00 AQEU
GENMAB A/S 07-May-2025 15:04:58 PM 37 1374.50 XCSE
GENMAB A/S 07-May-2025 15:04:58 PM 27 1374.50 CEUX
GENMAB A/S 07-May-2025 15:05:10 PM 26 1374.00 CEUX
GENMAB A/S 07-May-2025 15:05:10 PM 25 1373.50 CEUX
GENMAB A/S 07-May-2025 15:05:14 PM 31 1373.50 XCSE
GENMAB A/S 07-May-2025 15:05:14 PM 3 1373.50 CEUX
GENMAB A/S 07-May-2025 15:05:29 PM 26 1373.00 CEUX
GENMAB A/S 07-May-2025 15:06:56 PM 27 1371.50 XCSE
GENMAB A/S 07-May-2025 15:07:37 PM 27 1371.00 XCSE
GENMAB A/S 07-May-2025 15:07:37 PM 26 1371.00 TQEX
GENMAB A/S 07-May-2025 15:07:37 PM 30 1371.00 CEUX
GENMAB A/S 07-May-2025 15:08:38 PM 27 1370.50 AQEU
GENMAB A/S 07-May-2025 15:08:38 PM 10 1370.50 CEUX
GENMAB A/S 07-May-2025 15:09:00 PM 26 1370.50 XCSE
GENMAB A/S 07-May-2025 15:09:00 PM 19 1370.50 CEUX
GENMAB A/S 07-May-2025 15:09:03 PM 18 1370.00 XCSE
GENMAB A/S 07-May-2025 15:09:03 PM 11 1370.00 XCSE
GENMAB A/S 07-May-2025 15:09:03 PM 28 1370.00 CEUX
GENMAB A/S 07-May-2025 15:09:46 PM 3 1369.50 XCSE
GENMAB A/S 07-May-2025 15:09:46 PM 26 1370.00 TQEX
GENMAB A/S 07-May-2025 15:11:04 PM 71 1370.00 XCSE
GENMAB A/S 07-May-2025 15:11:36 PM 80 1371.50 CEUX
GENMAB A/S 07-May-2025 15:11:57 PM 54 1371.00 XCSE
GENMAB A/S 07-May-2025 15:11:57 PM 26 1371.00 TQEX
GENMAB A/S 07-May-2025 15:11:57 PM 27 1371.50 AQEU
GENMAB A/S 07-May-2025 15:11:57 PM 49 1371.00 CEUX
GENMAB A/S 07-May-2025 15:11:57 PM 30 1371.00 CEUX
GENMAB A/S 07-May-2025 15:12:44 PM 18 1370.50 CEUX
GENMAB A/S 07-May-2025 15:13:00 PM 66 1371.50 XCSE
GENMAB A/S 07-May-2025 15:13:28 PM 48 1372.00 CEUX
GENMAB A/S 07-May-2025 15:14:16 PM 20 1372.00 XCSE
GENMAB A/S 07-May-2025 15:14:16 PM 29 1372.00 XCSE
GENMAB A/S 07-May-2025 15:16:08 PM 26 1372.50 TQEX
GENMAB A/S 07-May-2025 15:16:08 PM 26 1372.50 AQEU
42




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 15:16:08 PM 1 1372.50 CEUX
GENMAB A/S 07-May-2025 15:16:08 PM 4 1372.50 CEUX
GENMAB A/S 07-May-2025 15:16:43 PM 78 1372.50 CEUX
GENMAB A/S 07-May-2025 15:18:18 PM 16 1372.00 XCSE
GENMAB A/S 07-May-2025 15:18:18 PM 13 1372.00 AQEU
GENMAB A/S 07-May-2025 15:18:18 PM 46 1372.00 CEUX
GENMAB A/S 07-May-2025 15:18:18 PM 20 1372.00 CEUX
GENMAB A/S 07-May-2025 15:18:18 PM 14 1372.00 CEUX
GENMAB A/S 07-May-2025 15:19:11 PM 82 1372.50 XCSE
GENMAB A/S 07-May-2025 15:19:11 PM 26 1372.50 TQEX
GENMAB A/S 07-May-2025 15:19:11 PM 69 1372.50 CEUX
GENMAB A/S 07-May-2025 15:19:11 PM 6 1372.50 CEUX
GENMAB A/S 07-May-2025 15:20:13 PM 28 1373.00 XCSE
GENMAB A/S 07-May-2025 15:20:13 PM 23 1373.00 XCSE
GENMAB A/S 07-May-2025 15:20:13 PM 33 1373.00 XCSE
GENMAB A/S 07-May-2025 15:20:13 PM 14 1373.00 AQEU
GENMAB A/S 07-May-2025 15:20:15 PM 2 1373.00 AQEU
GENMAB A/S 07-May-2025 15:20:21 PM 1 1372.50 XCSE
GENMAB A/S 07-May-2025 15:20:21 PM 3 1372.50 TQEX
GENMAB A/S 07-May-2025 15:20:21 PM 57 1372.50 CEUX
GENMAB A/S 07-May-2025 15:20:21 PM 11 1372.50 CEUX
GENMAB A/S 07-May-2025 15:20:21 PM 10 1372.50 CEUX
GENMAB A/S 07-May-2025 15:22:37 PM 11 1372.50 XCSE
GENMAB A/S 07-May-2025 15:22:37 PM 6 1372.50 CEUX
GENMAB A/S 07-May-2025 15:23:36 PM 69 1372.50 XCSE
GENMAB A/S 07-May-2025 15:23:58 PM 19 1372.00 XCSE
GENMAB A/S 07-May-2025 15:23:58 PM 43 1372.00 XCSE
GENMAB A/S 07-May-2025 15:23:58 PM 26 1372.00 TQEX
GENMAB A/S 07-May-2025 15:23:58 PM 15 1372.00 AQEU
GENMAB A/S 07-May-2025 15:23:58 PM 12 1372.00 AQEU
GENMAB A/S 07-May-2025 15:23:58 PM 70 1372.00 CEUX
GENMAB A/S 07-May-2025 15:23:58 PM 15 1371.50 CEUX
GENMAB A/S 07-May-2025 15:25:20 PM 17 1371.50 CEUX
GENMAB A/S 07-May-2025 15:25:38 PM 3 1372.00 AQEU
GENMAB A/S 07-May-2025 15:25:38 PM 11 1372.00 AQEU
GENMAB A/S 07-May-2025 15:25:44 PM 81 1372.00 XCSE
GENMAB A/S 07-May-2025 15:25:44 PM 76 1371.50 XCSE
GENMAB A/S 07-May-2025 15:25:44 PM 8 1371.50 XCSE
GENMAB A/S 07-May-2025 15:25:44 PM 33 1372.00 TQEX
GENMAB A/S 07-May-2025 15:25:44 PM 8 1371.50 TQEX
GENMAB A/S 07-May-2025 15:25:44 PM 29 1371.50 TQEX
GENMAB A/S 07-May-2025 15:25:44 PM 12 1372.00 AQEU
43




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 15:25:44 PM 9 1372.00 CEUX
GENMAB A/S 07-May-2025 15:25:44 PM 16 1372.00 CEUX
GENMAB A/S 07-May-2025 15:25:44 PM 18 1372.00 CEUX
GENMAB A/S 07-May-2025 15:25:44 PM 18 1372.00 CEUX
GENMAB A/S 07-May-2025 15:25:44 PM 6 1372.00 CEUX
GENMAB A/S 07-May-2025 15:25:44 PM 4 1372.00 CEUX
GENMAB A/S 07-May-2025 15:25:44 PM 9 1372.00 CEUX
GENMAB A/S 07-May-2025 15:25:44 PM 20 1371.50 CEUX
GENMAB A/S 07-May-2025 15:25:44 PM 16 1371.00 CEUX
GENMAB A/S 07-May-2025 15:25:44 PM 6 1371.00 CEUX
GENMAB A/S 07-May-2025 15:25:44 PM 4 1371.00 CEUX
GENMAB A/S 07-May-2025 15:25:44 PM 2 1371.00 CEUX
GENMAB A/S 07-May-2025 15:25:44 PM 5 1371.00 CEUX
GENMAB A/S 07-May-2025 15:25:44 PM 9 1371.00 CEUX
GENMAB A/S 07-May-2025 15:25:44 PM 12 1371.00 CEUX
GENMAB A/S 07-May-2025 15:25:44 PM 9 1371.00 CEUX
GENMAB A/S 07-May-2025 15:25:44 PM 18 1371.00 CEUX
GENMAB A/S 07-May-2025 15:25:47 PM 13 1371.00 XCSE
GENMAB A/S 07-May-2025 15:25:47 PM 77 1371.50 CEUX
GENMAB A/S 07-May-2025 15:25:47 PM 3 1371.50 CEUX
GENMAB A/S 07-May-2025 15:25:49 PM 71 1371.00 XCSE
GENMAB A/S 07-May-2025 15:25:49 PM 28 1370.50 XCSE
GENMAB A/S 07-May-2025 15:25:49 PM 50 1370.50 XCSE
GENMAB A/S 07-May-2025 15:25:49 PM 9 1371.00 CEUX
GENMAB A/S 07-May-2025 15:25:49 PM 71 1371.00 CEUX
GENMAB A/S 07-May-2025 15:25:49 PM 78 1370.50 CEUX
GENMAB A/S 07-May-2025 15:25:50 PM 10 1370.00 CEUX
GENMAB A/S 07-May-2025 15:25:51 PM 49 1370.00 XCSE
GENMAB A/S 07-May-2025 15:25:51 PM 23 1370.00 XCSE
GENMAB A/S 07-May-2025 15:25:51 PM 8 1370.00 XCSE
GENMAB A/S 07-May-2025 15:25:51 PM 53 1370.00 CEUX
GENMAB A/S 07-May-2025 15:25:59 PM 48 1369.50 XCSE
GENMAB A/S 07-May-2025 15:25:59 PM 20 1369.50 XCSE
GENMAB A/S 07-May-2025 15:25:59 PM 13 1369.50 XCSE
GENMAB A/S 07-May-2025 15:25:59 PM 2 1369.50 XCSE
GENMAB A/S 07-May-2025 15:26:36 PM 18 1370.50 XCSE
GENMAB A/S 07-May-2025 15:26:38 PM 55 1371.00 XCSE
GENMAB A/S 07-May-2025 15:26:38 PM 8 1370.50 XCSE
GENMAB A/S 07-May-2025 15:26:38 PM 27 1371.00 TQEX
GENMAB A/S 07-May-2025 15:26:38 PM 33 1370.50 TQEX
GENMAB A/S 07-May-2025 15:26:38 PM 26 1370.50 AQEU
GENMAB A/S 07-May-2025 15:26:38 PM 30 1371.00 CEUX
44




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 15:26:38 PM 26 1370.50 CEUX
GENMAB A/S 07-May-2025 15:26:38 PM 18 1370.00 CEUX
GENMAB A/S 07-May-2025 15:27:40 PM 12 1371.50 XCSE
GENMAB A/S 07-May-2025 15:27:40 PM 10 1371.50 XCSE
GENMAB A/S 07-May-2025 15:27:40 PM 26 1371.50 XCSE
GENMAB A/S 07-May-2025 15:27:40 PM 38 1371.00 XCSE
GENMAB A/S 07-May-2025 15:27:40 PM 35 1371.50 CEUX
GENMAB A/S 07-May-2025 15:27:40 PM 25 1371.00 CEUX
GENMAB A/S 07-May-2025 15:27:40 PM 8 1371.00 CEUX
GENMAB A/S 07-May-2025 15:27:50 PM 9 1371.00 XCSE
GENMAB A/S 07-May-2025 15:27:50 PM 27 1370.50 XCSE
GENMAB A/S 07-May-2025 15:27:50 PM 11 1370.50 XCSE
GENMAB A/S 07-May-2025 15:27:50 PM 8 1370.00 XCSE
GENMAB A/S 07-May-2025 15:27:50 PM 7 1370.00 XCSE
GENMAB A/S 07-May-2025 15:27:50 PM 6 1370.00 XCSE
GENMAB A/S 07-May-2025 15:27:50 PM 20 1370.00 XCSE
GENMAB A/S 07-May-2025 15:27:50 PM 9 1370.00 XCSE
GENMAB A/S 07-May-2025 15:27:50 PM 26 1370.50 CEUX
GENMAB A/S 07-May-2025 15:28:00 PM 26 1369.00 XCSE
GENMAB A/S 07-May-2025 15:28:18 PM 26 1369.50 AQEU
GENMAB A/S 07-May-2025 15:29:08 PM 26 1370.00 XCSE
GENMAB A/S 07-May-2025 15:30:01 PM 7 1372.50 XCSE
GENMAB A/S 07-May-2025 15:30:01 PM 52 1372.50 XCSE
GENMAB A/S 07-May-2025 15:30:01 PM 57 1372.00 XCSE
GENMAB A/S 07-May-2025 15:30:01 PM 61 1371.50 XCSE
GENMAB A/S 07-May-2025 15:30:01 PM 27 1372.50 TQEX
GENMAB A/S 07-May-2025 15:30:01 PM 27 1372.00 TQEX
GENMAB A/S 07-May-2025 15:30:01 PM 26 1372.50 AQEU
GENMAB A/S 07-May-2025 15:30:01 PM 26 1372.00 AQEU
GENMAB A/S 07-May-2025 15:30:01 PM 26 1371.50 AQEU
GENMAB A/S 07-May-2025 15:30:01 PM 42 1372.00 CEUX
GENMAB A/S 07-May-2025 15:30:01 PM 20 1372.00 CEUX
GENMAB A/S 07-May-2025 15:30:01 PM 1 1372.00 CEUX
GENMAB A/S 07-May-2025 15:30:01 PM 68 1371.50 CEUX
GENMAB A/S 07-May-2025 15:30:01 PM 22 1371.00 CEUX
GENMAB A/S 07-May-2025 15:30:01 PM 27 1371.00 CEUX
GENMAB A/S 07-May-2025 15:30:07 PM 3 1371.00 CEUX
GENMAB A/S 07-May-2025 15:30:53 PM 34 1370.50 XCSE
GENMAB A/S 07-May-2025 15:30:53 PM 31 1370.50 CEUX
GENMAB A/S 07-May-2025 15:31:09 PM 73 1371.00 XCSE
GENMAB A/S 07-May-2025 15:31:09 PM 59 1370.50 XCSE
GENMAB A/S 07-May-2025 15:31:09 PM 28 1371.00 TQEX
45




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 15:31:09 PM 24 1371.00 CEUX
GENMAB A/S 07-May-2025 15:31:09 PM 48 1371.00 CEUX
GENMAB A/S 07-May-2025 15:31:09 PM 3 1370.50 CEUX
GENMAB A/S 07-May-2025 15:31:09 PM 63 1370.50 CEUX
GENMAB A/S 07-May-2025 15:31:26 PM 32 1371.00 XCSE
GENMAB A/S 07-May-2025 15:31:26 PM 25 1370.50 XCSE
GENMAB A/S 07-May-2025 15:31:26 PM 11 1370.50 XCSE
GENMAB A/S 07-May-2025 15:31:26 PM 2 1370.00 XCSE
GENMAB A/S 07-May-2025 15:31:26 PM 14 1370.00 XCSE
GENMAB A/S 07-May-2025 15:31:26 PM 49 1371.00 CEUX
GENMAB A/S 07-May-2025 15:31:26 PM 13 1370.50 CEUX
GENMAB A/S 07-May-2025 15:31:26 PM 7 1370.50 CEUX
GENMAB A/S 07-May-2025 15:31:26 PM 13 1370.50 CEUX
GENMAB A/S 07-May-2025 15:31:26 PM 2 1370.50 CEUX
GENMAB A/S 07-May-2025 15:31:26 PM 4 1370.50 CEUX
GENMAB A/S 07-May-2025 15:31:26 PM 32 1370.00 CEUX
GENMAB A/S 07-May-2025 15:31:29 PM 5 1370.00 XCSE
GENMAB A/S 07-May-2025 15:31:30 PM 13 1370.00 XCSE
GENMAB A/S 07-May-2025 15:31:52 PM 51 1370.00 XCSE
GENMAB A/S 07-May-2025 15:31:52 PM 44 1369.50 XCSE
GENMAB A/S 07-May-2025 15:31:52 PM 31 1369.00 XCSE
GENMAB A/S 07-May-2025 15:31:52 PM 26 1368.00 XCSE
GENMAB A/S 07-May-2025 15:31:52 PM 30 1369.50 TQEX
GENMAB A/S 07-May-2025 15:31:52 PM 32 1369.50 AQEU
GENMAB A/S 07-May-2025 15:31:52 PM 27 1369.50 CEUX
GENMAB A/S 07-May-2025 15:31:52 PM 32 1369.00 CEUX
GENMAB A/S 07-May-2025 15:31:52 PM 36 1368.50 CEUX
GENMAB A/S 07-May-2025 15:31:52 PM 26 1368.00 CEUX
GENMAB A/S 07-May-2025 15:32:09 PM 27 1369.00 XCSE
GENMAB A/S 07-May-2025 15:32:09 PM 30 1368.50 XCSE
GENMAB A/S 07-May-2025 15:32:09 PM 14 1368.00 XCSE
GENMAB A/S 07-May-2025 15:32:09 PM 30 1369.50 CEUX
GENMAB A/S 07-May-2025 15:32:09 PM 6 1369.50 CEUX
GENMAB A/S 07-May-2025 15:32:09 PM 34 1369.00 CEUX
GENMAB A/S 07-May-2025 15:32:09 PM 26 1368.50 CEUX
GENMAB A/S 07-May-2025 15:32:36 PM 26 1368.00 XCSE
GENMAB A/S 07-May-2025 15:32:36 PM 26 1367.50 XCSE
GENMAB A/S 07-May-2025 15:32:36 PM 29 1368.00 TQEX
GENMAB A/S 07-May-2025 15:32:36 PM 33 1368.00 AQEU
GENMAB A/S 07-May-2025 15:32:36 PM 27 1368.00 CEUX
GENMAB A/S 07-May-2025 15:32:36 PM 19 1367.50 CEUX
GENMAB A/S 07-May-2025 15:32:48 PM 5 1368.00 XCSE
46




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 15:32:50 PM 27 1368.00 XCSE
GENMAB A/S 07-May-2025 15:32:50 PM 4 1368.00 XCSE
GENMAB A/S 07-May-2025 15:32:59 PM 33 1367.50 XCSE
GENMAB A/S 07-May-2025 15:32:59 PM 26 1367.00 XCSE
GENMAB A/S 07-May-2025 15:32:59 PM 11 1366.50 XCSE
GENMAB A/S 07-May-2025 15:32:59 PM 20 1366.50 XCSE
GENMAB A/S 07-May-2025 15:32:59 PM 37 1366.00 XCSE
GENMAB A/S 07-May-2025 15:32:59 PM 5 1366.00 TQEX
GENMAB A/S 07-May-2025 15:32:59 PM 2 1366.00 TQEX
GENMAB A/S 07-May-2025 15:32:59 PM 12 1366.00 TQEX
GENMAB A/S 07-May-2025 15:32:59 PM 3 1366.00 TQEX
GENMAB A/S 07-May-2025 15:32:59 PM 7 1366.00 TQEX
GENMAB A/S 07-May-2025 15:32:59 PM 2 1366.00 TQEX
GENMAB A/S 07-May-2025 15:32:59 PM 39 1367.50 CEUX
GENMAB A/S 07-May-2025 15:32:59 PM 5 1367.00 CEUX
GENMAB A/S 07-May-2025 15:32:59 PM 31 1367.00 CEUX
GENMAB A/S 07-May-2025 15:32:59 PM 37 1366.50 CEUX
GENMAB A/S 07-May-2025 15:33:30 PM 29 1368.00 XCSE
GENMAB A/S 07-May-2025 15:33:30 PM 32 1367.50 XCSE
GENMAB A/S 07-May-2025 15:33:30 PM 33 1367.00 XCSE
GENMAB A/S 07-May-2025 15:33:30 PM 26 1367.50 AQEU
GENMAB A/S 07-May-2025 15:33:30 PM 17 1367.50 CEUX
GENMAB A/S 07-May-2025 15:33:30 PM 20 1367.50 CEUX
GENMAB A/S 07-May-2025 15:33:30 PM 35 1367.00 CEUX
GENMAB A/S 07-May-2025 15:33:30 PM 14 1367.00 CEUX
GENMAB A/S 07-May-2025 15:33:30 PM 4 1367.00 CEUX
GENMAB A/S 07-May-2025 15:33:30 PM 11 1367.00 CEUX
GENMAB A/S 07-May-2025 15:33:30 PM 16 1366.50 CEUX
GENMAB A/S 07-May-2025 15:33:30 PM 2 1366.50 CEUX
GENMAB A/S 07-May-2025 15:33:30 PM 22 1366.50 CEUX
GENMAB A/S 07-May-2025 15:34:30 PM 66 1369.50 XCSE
GENMAB A/S 07-May-2025 15:34:30 PM 22 1369.50 TQEX
GENMAB A/S 07-May-2025 15:34:30 PM 4 1369.50 TQEX
GENMAB A/S 07-May-2025 15:34:30 PM 32 1369.50 AQEU
GENMAB A/S 07-May-2025 15:34:51 PM 61 1370.00 XCSE
GENMAB A/S 07-May-2025 15:34:51 PM 12 1370.00 XCSE
GENMAB A/S 07-May-2025 15:34:51 PM 1 1369.50 XCSE
GENMAB A/S 07-May-2025 15:34:51 PM 23 1369.50 XCSE
GENMAB A/S 07-May-2025 15:34:51 PM 50 1369.50 XCSE
GENMAB A/S 07-May-2025 15:34:51 PM 29 1370.00 TQEX
GENMAB A/S 07-May-2025 15:34:51 PM 31 1370.00 CEUX
GENMAB A/S 07-May-2025 15:34:51 PM 50 1370.00 CEUX
47




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 15:34:51 PM 81 1369.50 CEUX
GENMAB A/S 07-May-2025 15:34:54 PM 34 1369.50 TQEX
GENMAB A/S 07-May-2025 15:34:54 PM 26 1369.50 CEUX
GENMAB A/S 07-May-2025 15:35:04 PM 11 1369.00 XCSE
GENMAB A/S 07-May-2025 15:35:04 PM 46 1369.00 XCSE
GENMAB A/S 07-May-2025 15:35:04 PM 9 1369.00 CEUX
GENMAB A/S 07-May-2025 15:35:04 PM 8 1369.00 CEUX
GENMAB A/S 07-May-2025 15:35:04 PM 39 1369.00 CEUX
GENMAB A/S 07-May-2025 15:35:04 PM 12 1368.50 CEUX
GENMAB A/S 07-May-2025 15:35:04 PM 2 1368.50 CEUX
GENMAB A/S 07-May-2025 15:35:04 PM 11 1368.50 CEUX
GENMAB A/S 07-May-2025 15:35:04 PM 19 1368.50 CEUX
GENMAB A/S 07-May-2025 15:35:04 PM 12 1368.50 CEUX
GENMAB A/S 07-May-2025 15:35:04 PM 12 1368.50 CEUX
GENMAB A/S 07-May-2025 15:35:37 PM 58 1370.00 XCSE
GENMAB A/S 07-May-2025 15:35:37 PM 32 1369.50 XCSE
GENMAB A/S 07-May-2025 15:35:37 PM 28 1369.00 XCSE
GENMAB A/S 07-May-2025 15:35:37 PM 14 1369.00 XCSE
GENMAB A/S 07-May-2025 15:35:37 PM 9 1368.50 XCSE
GENMAB A/S 07-May-2025 15:35:37 PM 20 1368.50 XCSE
GENMAB A/S 07-May-2025 15:35:37 PM 27 1368.00 XCSE
GENMAB A/S 07-May-2025 15:35:37 PM 33 1370.00 AQEU
GENMAB A/S 07-May-2025 15:35:37 PM 26 1369.50 AQEU
GENMAB A/S 07-May-2025 15:35:37 PM 22 1369.50 CEUX
GENMAB A/S 07-May-2025 15:35:37 PM 6 1369.50 CEUX
GENMAB A/S 07-May-2025 15:35:37 PM 27 1369.00 CEUX
GENMAB A/S 07-May-2025 15:35:37 PM 2 1368.50 CEUX
GENMAB A/S 07-May-2025 15:35:37 PM 13 1369.00 CEUX
GENMAB A/S 07-May-2025 15:35:37 PM 13 1369.00 CEUX
GENMAB A/S 07-May-2025 15:36:07 PM 4 1369.50 TQEX
GENMAB A/S 07-May-2025 15:36:07 PM 10 1369.50 TQEX
GENMAB A/S 07-May-2025 15:36:07 PM 13 1369.50 TQEX
GENMAB A/S 07-May-2025 15:36:07 PM 10 1369.50 CEUX
GENMAB A/S 07-May-2025 15:36:07 PM 16 1369.50 CEUX
GENMAB A/S 07-May-2025 15:36:07 PM 6 1369.00 CEUX
GENMAB A/S 07-May-2025 15:36:15 PM 34 1369.00 XCSE
GENMAB A/S 07-May-2025 15:36:15 PM 27 1368.50 XCSE
GENMAB A/S 07-May-2025 15:36:15 PM 26 1368.50 CEUX
GENMAB A/S 07-May-2025 15:36:19 PM 31 1367.50 CEUX
GENMAB A/S 07-May-2025 15:37:08 PM 36 1368.50 XCSE
GENMAB A/S 07-May-2025 15:37:08 PM 34 1368.00 XCSE
GENMAB A/S 07-May-2025 15:37:08 PM 9 1368.00 TQEX
48




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 15:37:08 PM 35 1368.00 CEUX
GENMAB A/S 07-May-2025 15:37:30 PM 27 1367.50 XCSE
GENMAB A/S 07-May-2025 15:37:30 PM 26 1367.00 XCSE
GENMAB A/S 07-May-2025 15:37:30 PM 24 1367.50 CEUX
GENMAB A/S 07-May-2025 15:37:30 PM 4 1367.50 CEUX
GENMAB A/S 07-May-2025 15:37:30 PM 35 1367.00 CEUX
GENMAB A/S 07-May-2025 15:37:48 PM 30 1366.00 XCSE
GENMAB A/S 07-May-2025 15:37:48 PM 25 1366.00 CEUX
GENMAB A/S 07-May-2025 15:37:48 PM 8 1366.00 CEUX
GENMAB A/S 07-May-2025 15:38:14 PM 2 1365.50 CEUX
GENMAB A/S 07-May-2025 15:38:14 PM 7 1365.50 CEUX
GENMAB A/S 07-May-2025 15:38:14 PM 9 1365.50 CEUX
GENMAB A/S 07-May-2025 15:38:14 PM 3 1365.50 CEUX
GENMAB A/S 07-May-2025 15:38:14 PM 6 1365.50 CEUX
GENMAB A/S 07-May-2025 15:38:14 PM 2 1365.50 CEUX
GENMAB A/S 07-May-2025 15:38:49 PM 54 1367.00 XCSE
GENMAB A/S 07-May-2025 15:38:49 PM 1 1367.00 TQEX
GENMAB A/S 07-May-2025 15:38:49 PM 2 1367.00 TQEX
GENMAB A/S 07-May-2025 15:38:49 PM 5 1367.00 TQEX
GENMAB A/S 07-May-2025 15:38:49 PM 2 1367.00 TQEX
GENMAB A/S 07-May-2025 15:38:49 PM 19 1367.00 TQEX
GENMAB A/S 07-May-2025 15:38:49 PM 2 1367.00 AQEU
GENMAB A/S 07-May-2025 15:38:49 PM 2 1367.00 AQEU
GENMAB A/S 07-May-2025 15:38:49 PM 8 1367.00 AQEU
GENMAB A/S 07-May-2025 15:38:49 PM 6 1367.00 AQEU
GENMAB A/S 07-May-2025 15:38:49 PM 46 1367.00 CEUX
GENMAB A/S 07-May-2025 15:38:50 PM 11 1366.50 XCSE
GENMAB A/S 07-May-2025 15:38:50 PM 8 1366.50 XCSE
GENMAB A/S 07-May-2025 15:38:50 PM 6 1366.50 XCSE
GENMAB A/S 07-May-2025 15:38:50 PM 9 1366.50 XCSE
GENMAB A/S 07-May-2025 15:38:50 PM 2 1366.50 XCSE
GENMAB A/S 07-May-2025 15:38:50 PM 6 1366.50 CEUX
GENMAB A/S 07-May-2025 15:38:50 PM 13 1366.50 CEUX
GENMAB A/S 07-May-2025 15:38:50 PM 7 1366.50 CEUX
GENMAB A/S 07-May-2025 15:38:50 PM 16 1366.50 CEUX
GENMAB A/S 07-May-2025 15:39:03 PM 26 1366.50 XCSE
GENMAB A/S 07-May-2025 15:39:14 PM 41 1366.00 XCSE
GENMAB A/S 07-May-2025 15:40:06 PM 7 1366.00 CEUX
GENMAB A/S 07-May-2025 15:40:14 PM 20 1366.00 TQEX
GENMAB A/S 07-May-2025 15:40:14 PM 40 1366.00 CEUX
GENMAB A/S 07-May-2025 15:40:18 PM 22 1365.50 XCSE
GENMAB A/S 07-May-2025 15:40:18 PM 19 1365.50 XCSE
49




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 15:40:18 PM 26 1365.00 XCSE
GENMAB A/S 07-May-2025 15:40:18 PM 35 1365.50 TQEX
GENMAB A/S 07-May-2025 15:40:18 PM 34 1365.50 AQEU
GENMAB A/S 07-May-2025 15:40:18 PM 4 1365.50 CEUX
GENMAB A/S 07-May-2025 15:40:18 PM 25 1365.50 CEUX
GENMAB A/S 07-May-2025 15:40:18 PM 27 1365.00 CEUX
GENMAB A/S 07-May-2025 15:40:46 PM 57 1366.00 XCSE
GENMAB A/S 07-May-2025 15:40:46 PM 6 1365.50 CEUX
GENMAB A/S 07-May-2025 15:40:46 PM 7 1365.50 CEUX
GENMAB A/S 07-May-2025 15:40:46 PM 6 1365.50 CEUX
GENMAB A/S 07-May-2025 15:41:07 PM 3 1367.00 CEUX
GENMAB A/S 07-May-2025 15:41:07 PM 3 1367.00 CEUX
GENMAB A/S 07-May-2025 15:41:07 PM 3 1367.00 CEUX
GENMAB A/S 07-May-2025 15:41:10 PM 21 1367.00 XCSE
GENMAB A/S 07-May-2025 15:41:10 PM 24 1367.00 XCSE
GENMAB A/S 07-May-2025 15:41:10 PM 26 1367.00 AQEU
GENMAB A/S 07-May-2025 15:41:10 PM 56 1367.00 CEUX
GENMAB A/S 07-May-2025 15:41:10 PM 28 1366.50 CEUX
GENMAB A/S 07-May-2025 15:41:10 PM 12 1366.50 CEUX
GENMAB A/S 07-May-2025 15:41:10 PM 1 1366.50 CEUX
GENMAB A/S 07-May-2025 15:41:15 PM 51 1366.50 XCSE
GENMAB A/S 07-May-2025 15:41:15 PM 52 1366.00 XCSE
GENMAB A/S 07-May-2025 15:41:15 PM 16 1365.50 XCSE
GENMAB A/S 07-May-2025 15:41:15 PM 24 1366.50 CEUX
GENMAB A/S 07-May-2025 15:41:15 PM 32 1366.00 CEUX
GENMAB A/S 07-May-2025 15:41:15 PM 20 1366.00 CEUX
GENMAB A/S 07-May-2025 15:42:16 PM 47 1368.50 XCSE
GENMAB A/S 07-May-2025 15:42:16 PM 8 1368.00 XCSE
GENMAB A/S 07-May-2025 15:42:16 PM 3 1368.00 XCSE
GENMAB A/S 07-May-2025 15:42:16 PM 10 1368.00 XCSE
GENMAB A/S 07-May-2025 15:42:16 PM 2 1368.00 TQEX
GENMAB A/S 07-May-2025 15:42:16 PM 3 1368.00 TQEX
GENMAB A/S 07-May-2025 15:42:16 PM 4 1368.00 TQEX
GENMAB A/S 07-May-2025 15:42:16 PM 10 1368.00 TQEX
GENMAB A/S 07-May-2025 15:42:16 PM 7 1368.00 TQEX
GENMAB A/S 07-May-2025 15:42:16 PM 27 1368.50 AQEU
GENMAB A/S 07-May-2025 15:42:16 PM 7 1368.00 CEUX
GENMAB A/S 07-May-2025 15:42:16 PM 20 1368.00 CEUX
GENMAB A/S 07-May-2025 15:42:16 PM 20 1368.00 CEUX
GENMAB A/S 07-May-2025 15:44:00 PM 15 1368.00 XCSE
GENMAB A/S 07-May-2025 15:44:00 PM 38 1367.50 XCSE
50




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 15:44:00 PM 36 1367.00 XCSE
GENMAB A/S 07-May-2025 15:44:00 PM 2 1368.00 TQEX
GENMAB A/S 07-May-2025 15:44:00 PM 28 1368.00 TQEX
GENMAB A/S 07-May-2025 15:44:00 PM 30 1367.50 TQEX
GENMAB A/S 07-May-2025 15:44:00 PM 2 1367.50 TQEX
GENMAB A/S 07-May-2025 15:44:00 PM 6 1367.50 TQEX
GENMAB A/S 07-May-2025 15:44:00 PM 29 1367.50 AQEU
GENMAB A/S 07-May-2025 15:44:00 PM 4 1368.00 CEUX
GENMAB A/S 07-May-2025 15:44:00 PM 10 1368.00 CEUX
GENMAB A/S 07-May-2025 15:44:00 PM 30 1368.00 CEUX
GENMAB A/S 07-May-2025 15:44:00 PM 20 1368.00 CEUX
GENMAB A/S 07-May-2025 15:44:00 PM 4 1368.00 CEUX
GENMAB A/S 07-May-2025 15:44:00 PM 2 1368.00 CEUX
GENMAB A/S 07-May-2025 15:44:00 PM 26 1367.50 CEUX
GENMAB A/S 07-May-2025 15:44:00 PM 16 1367.50 CEUX
GENMAB A/S 07-May-2025 15:44:00 PM 26 1367.00 CEUX
GENMAB A/S 07-May-2025 15:44:00 PM 31 1367.00 CEUX
GENMAB A/S 07-May-2025 15:44:00 PM 21 1367.00 CEUX
GENMAB A/S 07-May-2025 15:44:00 PM 5 1367.00 CEUX
GENMAB A/S 07-May-2025 15:44:00 PM 5 1367.00 CEUX
GENMAB A/S 07-May-2025 15:44:00 PM 2 1367.00 CEUX
GENMAB A/S 07-May-2025 15:44:00 PM 1 1367.00 CEUX
GENMAB A/S 07-May-2025 15:45:18 PM 84 1369.50 XCSE
GENMAB A/S 07-May-2025 15:45:18 PM 27 1370.00 TQEX
GENMAB A/S 07-May-2025 15:45:18 PM 6 1369.50 CEUX
GENMAB A/S 07-May-2025 15:45:18 PM 73 1369.50 CEUX
GENMAB A/S 07-May-2025 15:45:18 PM 27 1369.00 CEUX
GENMAB A/S 07-May-2025 15:45:28 PM 79 1370.00 XCSE
GENMAB A/S 07-May-2025 15:45:52 PM 1 1369.50 CEUX
GENMAB A/S 07-May-2025 15:45:52 PM 12 1369.50 CEUX
GENMAB A/S 07-May-2025 15:45:59 PM 78 1369.50 XCSE
GENMAB A/S 07-May-2025 15:45:59 PM 20 1369.00 XCSE
GENMAB A/S 07-May-2025 15:45:59 PM 10 1369.00 XCSE
GENMAB A/S 07-May-2025 15:45:59 PM 6 1369.00 XCSE
GENMAB A/S 07-May-2025 15:45:59 PM 2 1369.00 XCSE
GENMAB A/S 07-May-2025 15:45:59 PM 2 1369.00 XCSE
GENMAB A/S 07-May-2025 15:45:59 PM 10 1369.00 XCSE
GENMAB A/S 07-May-2025 15:45:59 PM 20 1369.00 XCSE
GENMAB A/S 07-May-2025 15:45:59 PM 54 1369.50 CEUX
GENMAB A/S 07-May-2025 15:45:59 PM 24 1369.00 CEUX
GENMAB A/S 07-May-2025 15:45:59 PM 3 1369.00 CEUX
GENMAB A/S 07-May-2025 15:45:59 PM 5 1369.00 CEUX
51




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 15:45:59 PM 2 1369.00 CEUX
GENMAB A/S 07-May-2025 15:45:59 PM 10 1369.00 CEUX
GENMAB A/S 07-May-2025 15:45:59 PM 2 1369.00 CEUX
GENMAB A/S 07-May-2025 15:45:59 PM 6 1369.00 CEUX
GENMAB A/S 07-May-2025 15:45:59 PM 1 1369.00 CEUX
GENMAB A/S 07-May-2025 15:45:59 PM 8 1368.50 CEUX
GENMAB A/S 07-May-2025 15:46:01 PM 4 1369.00 XCSE
GENMAB A/S 07-May-2025 15:46:01 PM 4 1369.00 XCSE
GENMAB A/S 07-May-2025 15:46:01 PM 5 1369.00 XCSE
GENMAB A/S 07-May-2025 15:46:27 PM 67 1371.50 XCSE
GENMAB A/S 07-May-2025 15:46:27 PM 26 1371.50 AQEU
GENMAB A/S 07-May-2025 15:46:27 PM 67 1371.50 CEUX
GENMAB A/S 07-May-2025 15:46:27 PM 8 1371.00 CEUX
GENMAB A/S 07-May-2025 15:46:27 PM 25 1371.00 CEUX
GENMAB A/S 07-May-2025 15:46:27 PM 25 1371.00 CEUX
GENMAB A/S 07-May-2025 15:46:48 PM 61 1371.00 XCSE
GENMAB A/S 07-May-2025 15:46:48 PM 4 1371.00 TQEX
GENMAB A/S 07-May-2025 15:46:48 PM 25 1371.00 TQEX
GENMAB A/S 07-May-2025 15:46:48 PM 5 1371.00 AQEU
GENMAB A/S 07-May-2025 15:46:48 PM 13 1371.00 CEUX
GENMAB A/S 07-May-2025 15:46:55 PM 37 1370.50 XCSE
GENMAB A/S 07-May-2025 15:46:55 PM 23 1370.50 XCSE
GENMAB A/S 07-May-2025 15:46:55 PM 1 1370.50 XCSE
GENMAB A/S 07-May-2025 15:46:55 PM 19 1370.50 CEUX
GENMAB A/S 07-May-2025 15:46:55 PM 50 1370.50 CEUX
GENMAB A/S 07-May-2025 15:46:57 PM 1 1370.00 XCSE
GENMAB A/S 07-May-2025 15:46:57 PM 10 1370.00 XCSE
GENMAB A/S 07-May-2025 15:46:57 PM 20 1370.00 XCSE
GENMAB A/S 07-May-2025 15:46:58 PM 6 1369.50 CEUX
GENMAB A/S 07-May-2025 15:46:58 PM 5 1369.50 CEUX
GENMAB A/S 07-May-2025 15:47:25 PM 7 1372.00 XCSE
GENMAB A/S 07-May-2025 15:47:25 PM 19 1372.00 XCSE
GENMAB A/S 07-May-2025 15:47:25 PM 5 1372.00 TQEX
GENMAB A/S 07-May-2025 15:47:25 PM 2 1372.00 TQEX
GENMAB A/S 07-May-2025 15:47:25 PM 20 1372.00 TQEX
GENMAB A/S 07-May-2025 15:47:30 PM 5 1371.50 CEUX
GENMAB A/S 07-May-2025 15:47:30 PM 7 1371.50 CEUX
GENMAB A/S 07-May-2025 15:47:55 PM 2 1372.00 CEUX
GENMAB A/S 07-May-2025 15:47:55 PM 40 1372.00 CEUX
GENMAB A/S 07-May-2025 15:48:14 PM 11 1372.50 XCSE
GENMAB A/S 07-May-2025 15:48:14 PM 2 1372.50 TQEX
GENMAB A/S 07-May-2025 15:48:14 PM 54 1372.50 CEUX
52




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 15:48:21 PM 64 1372.50 XCSE
GENMAB A/S 07-May-2025 15:48:31 PM 3 1372.00 XCSE
GENMAB A/S 07-May-2025 15:48:31 PM 3 1372.00 CEUX
GENMAB A/S 07-May-2025 15:48:31 PM 2 1372.00 CEUX
GENMAB A/S 07-May-2025 15:48:31 PM 15 1372.00 CEUX
GENMAB A/S 07-May-2025 15:48:31 PM 2 1372.00 CEUX
GENMAB A/S 07-May-2025 15:48:31 PM 6 1372.00 CEUX
GENMAB A/S 07-May-2025 15:48:31 PM 6 1372.00 CEUX
GENMAB A/S 07-May-2025 15:48:52 PM 54 1373.00 XCSE
GENMAB A/S 07-May-2025 15:48:52 PM 46 1372.50 XCSE
GENMAB A/S 07-May-2025 15:48:52 PM 7 1372.50 XCSE
GENMAB A/S 07-May-2025 15:48:52 PM 30 1372.00 XCSE
GENMAB A/S 07-May-2025 15:48:52 PM 18 1372.00 XCSE
GENMAB A/S 07-May-2025 15:48:52 PM 10 1372.50 AQEU
GENMAB A/S 07-May-2025 15:48:52 PM 10 1372.50 AQEU
GENMAB A/S 07-May-2025 15:48:52 PM 17 1372.50 AQEU
GENMAB A/S 07-May-2025 15:48:52 PM 6 1372.00 AQEU
GENMAB A/S 07-May-2025 15:48:52 PM 3 1372.00 AQEU
GENMAB A/S 07-May-2025 15:48:52 PM 3 1372.00 AQEU
GENMAB A/S 07-May-2025 15:48:52 PM 22 1372.50 CEUX
GENMAB A/S 07-May-2025 15:48:52 PM 8 1372.50 CEUX
GENMAB A/S 07-May-2025 15:48:52 PM 18 1372.50 CEUX
GENMAB A/S 07-May-2025 15:48:52 PM 3 1372.00 CEUX
GENMAB A/S 07-May-2025 15:48:52 PM 10 1372.00 CEUX
GENMAB A/S 07-May-2025 15:48:52 PM 3 1372.00 CEUX
GENMAB A/S 07-May-2025 15:49:16 PM 27 1372.50 XCSE
GENMAB A/S 07-May-2025 15:49:16 PM 2 1372.00 TQEX
GENMAB A/S 07-May-2025 15:49:16 PM 3 1372.00 TQEX
GENMAB A/S 07-May-2025 15:49:16 PM 5 1372.00 TQEX
GENMAB A/S 07-May-2025 15:49:16 PM 3 1372.00 TQEX
GENMAB A/S 07-May-2025 15:49:16 PM 13 1372.00 TQEX
GENMAB A/S 07-May-2025 15:49:16 PM 10 1372.50 AQEU
GENMAB A/S 07-May-2025 15:49:16 PM 3 1372.50 AQEU
GENMAB A/S 07-May-2025 15:49:16 PM 14 1372.50 AQEU
GENMAB A/S 07-May-2025 15:49:16 PM 1 1372.50 AQEU
GENMAB A/S 07-May-2025 15:49:16 PM 8 1372.00 CEUX
GENMAB A/S 07-May-2025 15:49:17 PM 31 1372.00 XCSE
GENMAB A/S 07-May-2025 15:49:17 PM 4 1371.50 XCSE
GENMAB A/S 07-May-2025 15:49:17 PM 16 1372.00 CEUX
GENMAB A/S 07-May-2025 15:49:17 PM 11 1372.00 CEUX
GENMAB A/S 07-May-2025 15:49:17 PM 3 1372.00 CEUX
GENMAB A/S 07-May-2025 15:49:17 PM 1 1371.50 CEUX
53




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 15:49:26 PM 17 1371.50 CEUX
GENMAB A/S 07-May-2025 15:49:28 PM 26 1371.50 XCSE
GENMAB A/S 07-May-2025 15:49:33 PM 2 1372.50 CEUX
GENMAB A/S 07-May-2025 15:49:48 PM 26 1373.50 XCSE
GENMAB A/S 07-May-2025 15:49:48 PM 9 1373.50 CEUX
GENMAB A/S 07-May-2025 15:49:48 PM 10 1373.50 CEUX
GENMAB A/S 07-May-2025 15:49:48 PM 2 1373.50 CEUX
GENMAB A/S 07-May-2025 15:49:48 PM 37 1373.50 CEUX
GENMAB A/S 07-May-2025 15:50:47 PM 36 1373.50 XCSE
GENMAB A/S 07-May-2025 15:50:47 PM 2 1373.50 XCSE
GENMAB A/S 07-May-2025 15:50:47 PM 5 1373.00 XCSE
GENMAB A/S 07-May-2025 15:50:47 PM 12 1373.00 XCSE
GENMAB A/S 07-May-2025 15:50:47 PM 16 1373.00 XCSE
GENMAB A/S 07-May-2025 15:50:47 PM 26 1373.00 TQEX
GENMAB A/S 07-May-2025 15:50:47 PM 26 1373.00 AQEU
GENMAB A/S 07-May-2025 15:50:47 PM 2 1373.00 CEUX
GENMAB A/S 07-May-2025 15:50:47 PM 53 1373.00 CEUX
GENMAB A/S 07-May-2025 15:52:27 PM 79 1374.00 XCSE
GENMAB A/S 07-May-2025 15:52:27 PM 8 1374.00 TQEX
GENMAB A/S 07-May-2025 15:52:27 PM 2 1374.00 TQEX
GENMAB A/S 07-May-2025 15:52:27 PM 26 1374.00 TQEX
GENMAB A/S 07-May-2025 15:52:39 PM 33 1373.50 TQEX
GENMAB A/S 07-May-2025 15:52:39 PM 28 1373.50 AQEU
GENMAB A/S 07-May-2025 15:53:25 PM 10 1374.00 CEUX
GENMAB A/S 07-May-2025 15:53:31 PM 63 1374.50 XCSE
GENMAB A/S 07-May-2025 15:53:31 PM 18 1374.50 XCSE
GENMAB A/S 07-May-2025 15:53:31 PM 3 1374.50 TQEX
GENMAB A/S 07-May-2025 15:53:31 PM 2 1374.50 TQEX
GENMAB A/S 07-May-2025 15:53:31 PM 2 1374.50 TQEX
GENMAB A/S 07-May-2025 15:53:31 PM 2 1374.50 TQEX
GENMAB A/S 07-May-2025 15:53:31 PM 2 1374.50 TQEX
GENMAB A/S 07-May-2025 15:53:31 PM 2 1374.50 TQEX
GENMAB A/S 07-May-2025 15:53:31 PM 6 1374.50 TQEX
GENMAB A/S 07-May-2025 15:53:31 PM 2 1374.50 CEUX
GENMAB A/S 07-May-2025 15:53:32 PM 2 1375.00 XCSE
GENMAB A/S 07-May-2025 15:53:32 PM 3 1375.00 XCSE
GENMAB A/S 07-May-2025 15:53:32 PM 2 1375.00 XCSE
GENMAB A/S 07-May-2025 15:53:32 PM 2 1375.00 XCSE
GENMAB A/S 07-May-2025 15:53:32 PM 3 1375.00 XCSE
GENMAB A/S 07-May-2025 15:53:32 PM 6 1375.00 XCSE
GENMAB A/S 07-May-2025 15:53:32 PM 4 1375.00 XCSE
GENMAB A/S 07-May-2025 15:53:32 PM 3 1375.00 XCSE
54




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 15:53:32 PM 2 1375.00 XCSE
GENMAB A/S 07-May-2025 15:53:32 PM 4 1375.00 XCSE
GENMAB A/S 07-May-2025 15:53:32 PM 3 1375.00 AQEU
GENMAB A/S 07-May-2025 15:53:32 PM 4 1375.00 AQEU
GENMAB A/S 07-May-2025 15:53:32 PM 5 1375.50 CEUX
GENMAB A/S 07-May-2025 15:53:32 PM 3 1375.50 CEUX
GENMAB A/S 07-May-2025 15:53:32 PM 2 1375.50 CEUX
GENMAB A/S 07-May-2025 15:53:32 PM 2 1375.50 CEUX
GENMAB A/S 07-May-2025 15:53:49 PM 84 1375.50 XCSE
GENMAB A/S 07-May-2025 15:53:49 PM 48 1375.00 XCSE
GENMAB A/S 07-May-2025 15:53:49 PM 79 1374.50 XCSE
GENMAB A/S 07-May-2025 15:53:49 PM 6 1374.00 XCSE
GENMAB A/S 07-May-2025 15:53:49 PM 5 1374.00 XCSE
GENMAB A/S 07-May-2025 15:53:49 PM 10 1374.00 XCSE
GENMAB A/S 07-May-2025 15:53:49 PM 62 1374.00 XCSE
GENMAB A/S 07-May-2025 15:53:49 PM 56 1373.50 XCSE
GENMAB A/S 07-May-2025 15:53:49 PM 14 1375.50 CEUX
GENMAB A/S 07-May-2025 15:53:49 PM 30 1375.50 CEUX
GENMAB A/S 07-May-2025 15:53:49 PM 39 1375.50 CEUX
GENMAB A/S 07-May-2025 15:53:49 PM 27 1375.00 CEUX
GENMAB A/S 07-May-2025 15:53:49 PM 50 1375.00 CEUX
GENMAB A/S 07-May-2025 15:53:49 PM 4 1375.00 CEUX
GENMAB A/S 07-May-2025 15:53:49 PM 29 1374.50 CEUX
GENMAB A/S 07-May-2025 15:53:49 PM 52 1374.50 CEUX
GENMAB A/S 07-May-2025 15:53:49 PM 81 1374.00 CEUX
GENMAB A/S 07-May-2025 15:53:49 PM 78 1374.00 CEUX
GENMAB A/S 07-May-2025 15:53:49 PM 23 1373.50 CEUX
GENMAB A/S 07-May-2025 15:53:49 PM 28 1373.50 CEUX
GENMAB A/S 07-May-2025 15:53:49 PM 5 1373.50 CEUX
GENMAB A/S 07-May-2025 15:53:49 PM 27 1373.50 CEUX
GENMAB A/S 07-May-2025 15:53:55 PM 3 1375.00 AQEU
GENMAB A/S 07-May-2025 15:53:55 PM 2 1375.00 AQEU
GENMAB A/S 07-May-2025 15:53:55 PM 21 1375.00 AQEU
GENMAB A/S 07-May-2025 15:53:55 PM 5 1375.00 AQEU
GENMAB A/S 07-May-2025 15:53:55 PM 15 1375.00 CEUX
GENMAB A/S 07-May-2025 15:53:55 PM 11 1375.00 CEUX
GENMAB A/S 07-May-2025 15:54:33 PM 14 1375.50 TQEX
GENMAB A/S 07-May-2025 15:54:33 PM 10 1375.50 TQEX
GENMAB A/S 07-May-2025 15:54:33 PM 2 1375.50 TQEX
GENMAB A/S 07-May-2025 15:54:33 PM 10 1375.50 TQEX
GENMAB A/S 07-May-2025 15:54:44 PM 40 1375.00 XCSE
GENMAB A/S 07-May-2025 15:54:44 PM 5 1374.50 XCSE
55




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 15:54:44 PM 34 1374.50 XCSE
GENMAB A/S 07-May-2025 15:54:44 PM 2 1375.00 CEUX
GENMAB A/S 07-May-2025 15:54:44 PM 10 1375.00 CEUX
GENMAB A/S 07-May-2025 15:54:44 PM 5 1375.00 CEUX
GENMAB A/S 07-May-2025 15:54:44 PM 32 1375.00 CEUX
GENMAB A/S 07-May-2025 15:54:44 PM 9 1375.00 CEUX
GENMAB A/S 07-May-2025 15:54:44 PM 11 1374.50 CEUX
GENMAB A/S 07-May-2025 15:54:44 PM 5 1374.50 CEUX
GENMAB A/S 07-May-2025 15:54:44 PM 18 1374.50 CEUX
GENMAB A/S 07-May-2025 15:55:31 PM 10 1376.00 TQEX
GENMAB A/S 07-May-2025 15:55:31 PM 21 1376.00 TQEX
GENMAB A/S 07-May-2025 15:55:31 PM 1 1376.00 TQEX
GENMAB A/S 07-May-2025 15:55:42 PM 67 1378.00 XCSE
GENMAB A/S 07-May-2025 15:55:42 PM 45 1378.00 CEUX
GENMAB A/S 07-May-2025 15:55:42 PM 26 1378.00 CEUX
GENMAB A/S 07-May-2025 15:55:47 PM 23 1377.50 XCSE
GENMAB A/S 07-May-2025 15:55:47 PM 41 1377.50 XCSE
GENMAB A/S 07-May-2025 15:55:47 PM 34 1377.50 AQEU
GENMAB A/S 07-May-2025 15:55:47 PM 69 1377.50 CEUX
GENMAB A/S 07-May-2025 15:56:14 PM 26 1377.50 XCSE
GENMAB A/S 07-May-2025 15:56:17 PM 5 1378.50 TQEX
GENMAB A/S 07-May-2025 15:56:17 PM 8 1378.50 TQEX
GENMAB A/S 07-May-2025 15:56:17 PM 3 1378.50 TQEX
GENMAB A/S 07-May-2025 15:56:47 PM 64 1379.50 XCSE
GENMAB A/S 07-May-2025 15:56:47 PM 4 1379.50 CEUX
GENMAB A/S 07-May-2025 15:56:47 PM 15 1379.50 CEUX
GENMAB A/S 07-May-2025 15:56:47 PM 45 1379.50 CEUX
GENMAB A/S 07-May-2025 15:56:47 PM 5 1379.00 CEUX
GENMAB A/S 07-May-2025 15:56:47 PM 13 1379.00 CEUX
GENMAB A/S 07-May-2025 15:56:47 PM 6 1379.00 CEUX
GENMAB A/S 07-May-2025 15:56:47 PM 9 1379.00 CEUX
GENMAB A/S 07-May-2025 15:57:56 PM 36 1381.00 TQEX
GENMAB A/S 07-May-2025 15:59:13 PM 31 1380.50 XCSE
GENMAB A/S 07-May-2025 15:59:15 PM 2 1380.50 TQEX
GENMAB A/S 07-May-2025 15:59:15 PM 2 1380.50 TQEX
GENMAB A/S 07-May-2025 15:59:15 PM 5 1380.50 TQEX
GENMAB A/S 07-May-2025 15:59:15 PM 2 1380.50 TQEX
GENMAB A/S 07-May-2025 15:59:15 PM 18 1380.50 TQEX
GENMAB A/S 07-May-2025 15:59:15 PM 19 1380.50 CEUX
GENMAB A/S 07-May-2025 15:59:15 PM 5 1380.50 CEUX
GENMAB A/S 07-May-2025 15:59:15 PM 2 1380.50 CEUX
GENMAB A/S 07-May-2025 15:59:15 PM 4 1380.50 CEUX
56




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 15:59:15 PM 6 1380.50 CEUX
GENMAB A/S 07-May-2025 15:59:16 PM 4 1380.50 CEUX
GENMAB A/S 07-May-2025 15:59:20 PM 10 1380.50 CEUX
GENMAB A/S 07-May-2025 15:59:30 PM 49 1380.50 XCSE
GENMAB A/S 07-May-2025 15:59:30 PM 35 1380.00 XCSE
GENMAB A/S 07-May-2025 15:59:30 PM 45 1380.00 XCSE
GENMAB A/S 07-May-2025 15:59:30 PM 73 1379.50 XCSE
GENMAB A/S 07-May-2025 15:59:30 PM 18 1379.00 XCSE
GENMAB A/S 07-May-2025 15:59:30 PM 63 1379.00 XCSE
GENMAB A/S 07-May-2025 15:59:30 PM 17 1380.00 TQEX
GENMAB A/S 07-May-2025 15:59:30 PM 7 1380.00 TQEX
GENMAB A/S 07-May-2025 15:59:30 PM 29 1380.50 CEUX
GENMAB A/S 07-May-2025 15:59:30 PM 50 1380.00 CEUX
GENMAB A/S 07-May-2025 15:59:30 PM 29 1380.00 CEUX
GENMAB A/S 07-May-2025 15:59:30 PM 26 1379.50 CEUX
GENMAB A/S 07-May-2025 15:59:30 PM 2 1379.50 CEUX
GENMAB A/S 07-May-2025 15:59:30 PM 4 1379.50 CEUX
GENMAB A/S 07-May-2025 15:59:30 PM 13 1379.50 CEUX
GENMAB A/S 07-May-2025 15:59:30 PM 15 1379.50 CEUX
GENMAB A/S 07-May-2025 15:59:30 PM 3 1379.00 CEUX
GENMAB A/S 07-May-2025 15:59:30 PM 5 1379.00 CEUX
GENMAB A/S 07-May-2025 15:59:30 PM 3 1379.00 CEUX
GENMAB A/S 07-May-2025 15:59:30 PM 27 1379.00 CEUX
GENMAB A/S 07-May-2025 15:59:30 PM 20 1379.00 CEUX
GENMAB A/S 07-May-2025 15:59:30 PM 26 1379.00 CEUX
GENMAB A/S 07-May-2025 15:59:30 PM 29 1380.50 AQEU
GENMAB A/S 07-May-2025 15:59:30 PM 6 1380.00 AQEU
GENMAB A/S 07-May-2025 15:59:30 PM 10 1380.00 AQEU
GENMAB A/S 07-May-2025 15:59:30 PM 16 1380.00 AQEU
GENMAB A/S 07-May-2025 15:59:30 PM 5 1379.50 AQEU
GENMAB A/S 07-May-2025 15:59:32 PM 22 1378.50 XCSE
GENMAB A/S 07-May-2025 16:00:03 PM 2 1380.00 CEUX
GENMAB A/S 07-May-2025 16:00:03 PM 7 1380.00 CEUX
GENMAB A/S 07-May-2025 16:00:03 PM 28 1380.00 CEUX
GENMAB A/S 07-May-2025 16:00:10 PM 77 1380.00 XCSE
GENMAB A/S 07-May-2025 16:00:10 PM 5 1380.00 XCSE
GENMAB A/S 07-May-2025 16:00:10 PM 10 1380.00 CEUX
GENMAB A/S 07-May-2025 16:00:10 PM 10 1380.00 CEUX
GENMAB A/S 07-May-2025 16:00:10 PM 10 1380.00 CEUX
GENMAB A/S 07-May-2025 16:00:10 PM 12 1380.00 CEUX
GENMAB A/S 07-May-2025 16:00:16 PM 7 1380.00 XCSE
GENMAB A/S 07-May-2025 16:00:23 PM 65 1380.00 XCSE
57




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:00:23 PM 26 1379.50 XCSE
GENMAB A/S 07-May-2025 16:00:23 PM 5 1380.00 TQEX
GENMAB A/S 07-May-2025 16:00:23 PM 23 1380.00 TQEX
GENMAB A/S 07-May-2025 16:00:23 PM 76 1380.00 CEUX
GENMAB A/S 07-May-2025 16:00:23 PM 26 1379.50 CEUX
GENMAB A/S 07-May-2025 16:00:23 PM 1 1379.50 CEUX
GENMAB A/S 07-May-2025 16:00:23 PM 10 1379.50 CEUX
GENMAB A/S 07-May-2025 16:00:23 PM 2 1379.50 CEUX
GENMAB A/S 07-May-2025 16:00:23 PM 28 1379.50 CEUX
GENMAB A/S 07-May-2025 16:00:23 PM 38 1380.00 AQEU
GENMAB A/S 07-May-2025 16:00:30 PM 15 1379.50 XCSE
GENMAB A/S 07-May-2025 16:00:30 PM 1 1379.50 XCSE
GENMAB A/S 07-May-2025 16:00:30 PM 40 1379.50 XCSE
GENMAB A/S 07-May-2025 16:00:30 PM 15 1379.00 XCSE
GENMAB A/S 07-May-2025 16:00:30 PM 29 1379.00 XCSE
GENMAB A/S 07-May-2025 16:00:30 PM 28 1379.00 XCSE
GENMAB A/S 07-May-2025 16:00:30 PM 14 1379.50 CEUX
GENMAB A/S 07-May-2025 16:00:30 PM 77 1379.00 CEUX
GENMAB A/S 07-May-2025 16:00:48 PM 1 1376.00 XCSE
GENMAB A/S 07-May-2025 16:00:48 PM 32 1376.00 XCSE
GENMAB A/S 07-May-2025 16:00:48 PM 20 1375.50 XCSE
GENMAB A/S 07-May-2025 16:00:48 PM 6 1375.50 XCSE
GENMAB A/S 07-May-2025 16:00:48 PM 33 1376.00 CEUX
GENMAB A/S 07-May-2025 16:00:48 PM 17 1375.50 CEUX
GENMAB A/S 07-May-2025 16:01:11 PM 21 1374.00 CEUX
GENMAB A/S 07-May-2025 16:01:11 PM 9 1374.00 CEUX
GENMAB A/S 07-May-2025 16:01:18 PM 27 1374.50 XCSE
GENMAB A/S 07-May-2025 16:01:18 PM 2 1374.50 XCSE
GENMAB A/S 07-May-2025 16:01:18 PM 31 1374.00 XCSE
GENMAB A/S 07-May-2025 16:01:18 PM 10 1374.00 CEUX
GENMAB A/S 07-May-2025 16:01:19 PM 3 1373.00 CEUX
GENMAB A/S 07-May-2025 16:02:11 PM 35 1373.50 XCSE
GENMAB A/S 07-May-2025 16:03:06 PM 52 1374.50 XCSE
GENMAB A/S 07-May-2025 16:03:06 PM 5 1374.50 XCSE
GENMAB A/S 07-May-2025 16:03:06 PM 10 1374.50 TQEX
GENMAB A/S 07-May-2025 16:03:06 PM 26 1374.50 CEUX
GENMAB A/S 07-May-2025 16:03:21 PM 2 1374.50 CEUX
GENMAB A/S 07-May-2025 16:03:37 PM 31 1374.00 XCSE
GENMAB A/S 07-May-2025 16:03:37 PM 5 1374.00 XCSE
GENMAB A/S 07-May-2025 16:03:37 PM 16 1374.50 TQEX
GENMAB A/S 07-May-2025 16:03:37 PM 22 1374.50 CEUX
GENMAB A/S 07-May-2025 16:03:37 PM 16 1374.50 CEUX
58




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:03:37 PM 5 1374.50 AQEU
GENMAB A/S 07-May-2025 16:03:37 PM 10 1374.50 AQEU
GENMAB A/S 07-May-2025 16:03:37 PM 23 1374.50 AQEU
GENMAB A/S 07-May-2025 16:04:30 PM 81 1375.50 XCSE
GENMAB A/S 07-May-2025 16:04:30 PM 34 1375.00 XCSE
GENMAB A/S 07-May-2025 16:04:30 PM 19 1375.00 XCSE
GENMAB A/S 07-May-2025 16:04:30 PM 4 1375.00 XCSE
GENMAB A/S 07-May-2025 16:04:30 PM 7 1375.00 XCSE
GENMAB A/S 07-May-2025 16:04:30 PM 33 1376.00 TQEX
GENMAB A/S 07-May-2025 16:04:30 PM 29 1375.50 TQEX
GENMAB A/S 07-May-2025 16:04:30 PM 12 1375.00 TQEX
GENMAB A/S 07-May-2025 16:04:30 PM 84 1375.50 CEUX
GENMAB A/S 07-May-2025 16:04:30 PM 79 1375.00 CEUX
GENMAB A/S 07-May-2025 16:04:30 PM 37 1376.00 AQEU
GENMAB A/S 07-May-2025 16:04:31 PM 3 1375.00 XCSE
GENMAB A/S 07-May-2025 16:04:31 PM 2 1375.00 XCSE
GENMAB A/S 07-May-2025 16:04:31 PM 6 1375.00 XCSE
GENMAB A/S 07-May-2025 16:04:31 PM 2 1375.00 XCSE
GENMAB A/S 07-May-2025 16:04:31 PM 2 1375.00 XCSE
GENMAB A/S 07-May-2025 16:04:31 PM 8 1374.50 CEUX
GENMAB A/S 07-May-2025 16:04:31 PM 13 1374.50 CEUX
GENMAB A/S 07-May-2025 16:05:00 PM 37 1375.50 XCSE
GENMAB A/S 07-May-2025 16:05:28 PM 28 1376.50 TQEX
GENMAB A/S 07-May-2025 16:05:42 PM 80 1376.00 CEUX
GENMAB A/S 07-May-2025 16:05:42 PM 4 1375.50 CEUX
GENMAB A/S 07-May-2025 16:05:42 PM 9 1375.50 CEUX
GENMAB A/S 07-May-2025 16:05:42 PM 9 1375.50 CEUX
GENMAB A/S 07-May-2025 16:05:42 PM 6 1375.50 CEUX
GENMAB A/S 07-May-2025 16:05:45 PM 7 1376.00 XCSE
GENMAB A/S 07-May-2025 16:05:45 PM 65 1376.00 XCSE
GENMAB A/S 07-May-2025 16:05:45 PM 5 1376.00 XCSE
GENMAB A/S 07-May-2025 16:05:45 PM 2 1376.00 XCSE
GENMAB A/S 07-May-2025 16:05:45 PM 16 1375.50 XCSE
GENMAB A/S 07-May-2025 16:05:45 PM 12 1375.50 CEUX
GENMAB A/S 07-May-2025 16:05:45 PM 2 1375.50 CEUX
GENMAB A/S 07-May-2025 16:05:45 PM 3 1375.50 CEUX
GENMAB A/S 07-May-2025 16:05:45 PM 5 1375.50 CEUX
GENMAB A/S 07-May-2025 16:05:45 PM 5 1375.50 CEUX
GENMAB A/S 07-May-2025 16:05:45 PM 5 1375.50 CEUX
GENMAB A/S 07-May-2025 16:05:45 PM 5 1375.50 CEUX
GENMAB A/S 07-May-2025 16:05:58 PM 26 1375.50 XCSE
GENMAB A/S 07-May-2025 16:05:58 PM 84 1375.00 XCSE
59




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:05:58 PM 58 1374.50 XCSE
GENMAB A/S 07-May-2025 16:05:58 PM 13 1375.50 CEUX
GENMAB A/S 07-May-2025 16:05:58 PM 1 1375.00 CEUX
GENMAB A/S 07-May-2025 16:05:58 PM 10 1375.00 CEUX
GENMAB A/S 07-May-2025 16:05:58 PM 17 1375.00 CEUX
GENMAB A/S 07-May-2025 16:05:58 PM 4 1375.00 CEUX
GENMAB A/S 07-May-2025 16:05:58 PM 50 1375.00 CEUX
GENMAB A/S 07-May-2025 16:05:58 PM 29 1374.50 CEUX
GENMAB A/S 07-May-2025 16:05:58 PM 10 1375.00 AQEU
GENMAB A/S 07-May-2025 16:05:58 PM 22 1375.00 AQEU
GENMAB A/S 07-May-2025 16:06:00 PM 23 1374.50 XCSE
GENMAB A/S 07-May-2025 16:06:02 PM 1 1374.50 CEUX
GENMAB A/S 07-May-2025 16:06:37 PM 41 1374.00 XCSE
GENMAB A/S 07-May-2025 16:06:37 PM 24 1374.50 CEUX
GENMAB A/S 07-May-2025 16:06:37 PM 26 1374.50 CEUX
GENMAB A/S 07-May-2025 16:06:37 PM 10 1374.00 CEUX
GENMAB A/S 07-May-2025 16:06:37 PM 7 1374.00 CEUX
GENMAB A/S 07-May-2025 16:06:37 PM 32 1374.00 CEUX
GENMAB A/S 07-May-2025 16:06:37 PM 2 1374.00 CEUX
GENMAB A/S 07-May-2025 16:06:37 PM 2 1374.00 CEUX
GENMAB A/S 07-May-2025 16:06:37 PM 10 1374.00 CEUX
GENMAB A/S 07-May-2025 16:06:37 PM 10 1374.00 CEUX
GENMAB A/S 07-May-2025 16:06:37 PM 5 1374.00 CEUX
GENMAB A/S 07-May-2025 16:06:47 PM 33 1373.50 XCSE
GENMAB A/S 07-May-2025 16:06:53 PM 26 1373.50 CEUX
GENMAB A/S 07-May-2025 16:07:17 PM 47 1374.00 XCSE
GENMAB A/S 07-May-2025 16:07:17 PM 27 1373.50 XCSE
GENMAB A/S 07-May-2025 16:07:17 PM 2 1373.50 XCSE
GENMAB A/S 07-May-2025 16:07:17 PM 7 1373.50 XCSE
GENMAB A/S 07-May-2025 16:07:17 PM 9 1373.50 XCSE
GENMAB A/S 07-May-2025 16:07:17 PM 7 1373.50 XCSE
GENMAB A/S 07-May-2025 16:07:17 PM 11 1373.00 XCSE
GENMAB A/S 07-May-2025 16:07:17 PM 3 1373.50 TQEX
GENMAB A/S 07-May-2025 16:07:17 PM 2 1373.50 TQEX
GENMAB A/S 07-May-2025 16:07:17 PM 2 1373.50 TQEX
GENMAB A/S 07-May-2025 16:07:17 PM 2 1373.50 TQEX
GENMAB A/S 07-May-2025 16:07:17 PM 24 1373.50 TQEX
GENMAB A/S 07-May-2025 16:07:17 PM 7 1373.50 CEUX
GENMAB A/S 07-May-2025 16:07:17 PM 7 1373.50 CEUX
GENMAB A/S 07-May-2025 16:07:17 PM 26 1373.50 CEUX
GENMAB A/S 07-May-2025 16:07:29 PM 21 1373.00 XCSE
GENMAB A/S 07-May-2025 16:07:40 PM 1 1372.50 XCSE
60




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:07:40 PM 1 1372.50 XCSE
GENMAB A/S 07-May-2025 16:07:40 PM 40 1372.50 XCSE
GENMAB A/S 07-May-2025 16:07:40 PM 62 1373.00 CEUX
GENMAB A/S 07-May-2025 16:07:40 PM 15 1372.50 CEUX
GENMAB A/S 07-May-2025 16:07:40 PM 15 1372.50 CEUX
GENMAB A/S 07-May-2025 16:07:40 PM 15 1372.50 CEUX
GENMAB A/S 07-May-2025 16:08:07 PM 30 1373.50 XCSE
GENMAB A/S 07-May-2025 16:08:40 PM 2 1374.00 XCSE
GENMAB A/S 07-May-2025 16:08:40 PM 5 1374.00 XCSE
GENMAB A/S 07-May-2025 16:08:40 PM 5 1374.00 XCSE
GENMAB A/S 07-May-2025 16:08:40 PM 5 1374.00 XCSE
GENMAB A/S 07-May-2025 16:08:40 PM 3 1374.00 XCSE
GENMAB A/S 07-May-2025 16:08:40 PM 2 1374.00 XCSE
GENMAB A/S 07-May-2025 16:08:40 PM 2 1374.00 XCSE
GENMAB A/S 07-May-2025 16:08:40 PM 2 1374.00 XCSE
GENMAB A/S 07-May-2025 16:08:40 PM 2 1374.00 XCSE
GENMAB A/S 07-May-2025 16:08:40 PM 2 1374.00 XCSE
GENMAB A/S 07-May-2025 16:08:40 PM 8 1374.00 XCSE
GENMAB A/S 07-May-2025 16:08:40 PM 12 1374.00 XCSE
GENMAB A/S 07-May-2025 16:08:40 PM 40 1373.50 XCSE
GENMAB A/S 07-May-2025 16:08:40 PM 5 1374.00 TQEX
GENMAB A/S 07-May-2025 16:08:40 PM 5 1374.00 TQEX
GENMAB A/S 07-May-2025 16:08:40 PM 5 1374.00 TQEX
GENMAB A/S 07-May-2025 16:08:40 PM 5 1374.00 TQEX
GENMAB A/S 07-May-2025 16:08:40 PM 5 1374.00 TQEX
GENMAB A/S 07-May-2025 16:08:40 PM 5 1374.00 AQEU
GENMAB A/S 07-May-2025 16:08:40 PM 5 1374.00 AQEU
GENMAB A/S 07-May-2025 16:08:40 PM 5 1374.00 AQEU
GENMAB A/S 07-May-2025 16:08:40 PM 5 1374.00 AQEU
GENMAB A/S 07-May-2025 16:08:40 PM 5 1374.00 AQEU
GENMAB A/S 07-May-2025 16:08:40 PM 5 1374.00 AQEU
GENMAB A/S 07-May-2025 16:08:40 PM 5 1374.00 AQEU
GENMAB A/S 07-May-2025 16:08:43 PM 1 1373.50 XCSE
GENMAB A/S 07-May-2025 16:08:52 PM 28 1373.00 XCSE
GENMAB A/S 07-May-2025 16:08:52 PM 2 1373.50 CEUX
GENMAB A/S 07-May-2025 16:08:52 PM 20 1373.50 CEUX
GENMAB A/S 07-May-2025 16:08:52 PM 14 1373.50 CEUX
GENMAB A/S 07-May-2025 16:08:52 PM 4 1373.00 CEUX
GENMAB A/S 07-May-2025 16:08:52 PM 24 1373.00 CEUX
GENMAB A/S 07-May-2025 16:09:29 PM 38 1374.50 XCSE
GENMAB A/S 07-May-2025 16:09:29 PM 4 1374.00 XCSE
GENMAB A/S 07-May-2025 16:09:29 PM 21 1374.00 XCSE
61




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:09:29 PM 6 1374.00 XCSE
GENMAB A/S 07-May-2025 16:09:29 PM 27 1373.50 XCSE
GENMAB A/S 07-May-2025 16:09:29 PM 30 1374.50 TQEX
GENMAB A/S 07-May-2025 16:09:29 PM 25 1374.50 CEUX
GENMAB A/S 07-May-2025 16:09:29 PM 39 1374.50 CEUX
GENMAB A/S 07-May-2025 16:09:29 PM 32 1374.00 CEUX
GENMAB A/S 07-May-2025 16:09:29 PM 10 1374.00 CEUX
GENMAB A/S 07-May-2025 16:09:29 PM 12 1374.00 AQEU
GENMAB A/S 07-May-2025 16:09:29 PM 7 1374.00 AQEU
GENMAB A/S 07-May-2025 16:09:51 PM 5 1373.50 XCSE
GENMAB A/S 07-May-2025 16:09:51 PM 40 1373.50 CEUX
GENMAB A/S 07-May-2025 16:09:51 PM 5 1373.50 CEUX
GENMAB A/S 07-May-2025 16:10:01 PM 14 1374.00 CEUX
GENMAB A/S 07-May-2025 16:10:01 PM 11 1374.00 CEUX
GENMAB A/S 07-May-2025 16:10:17 PM 7 1374.50 XCSE
GENMAB A/S 07-May-2025 16:10:17 PM 7 1374.50 XCSE
GENMAB A/S 07-May-2025 16:10:17 PM 10 1374.50 XCSE
GENMAB A/S 07-May-2025 16:10:17 PM 16 1374.50 XCSE
GENMAB A/S 07-May-2025 16:10:33 PM 45 1374.00 XCSE
GENMAB A/S 07-May-2025 16:10:33 PM 13 1373.50 XCSE
GENMAB A/S 07-May-2025 16:10:33 PM 12 1373.50 XCSE
GENMAB A/S 07-May-2025 16:10:33 PM 2 1373.50 XCSE
GENMAB A/S 07-May-2025 16:10:33 PM 2 1373.50 XCSE
GENMAB A/S 07-May-2025 16:10:33 PM 3 1373.50 XCSE
GENMAB A/S 07-May-2025 16:10:33 PM 2 1373.50 XCSE
GENMAB A/S 07-May-2025 16:10:33 PM 1 1373.00 XCSE
GENMAB A/S 07-May-2025 16:10:33 PM 27 1374.00 CEUX
GENMAB A/S 07-May-2025 16:10:33 PM 1 1374.00 CEUX
GENMAB A/S 07-May-2025 16:10:33 PM 9 1373.50 CEUX
GENMAB A/S 07-May-2025 16:10:33 PM 16 1373.50 CEUX
GENMAB A/S 07-May-2025 16:10:33 PM 29 1373.50 CEUX
GENMAB A/S 07-May-2025 16:10:33 PM 29 1374.00 AQEU
GENMAB A/S 07-May-2025 16:10:34 PM 22 1374.50 XCSE
GENMAB A/S 07-May-2025 16:10:43 PM 4 1374.00 CEUX
GENMAB A/S 07-May-2025 16:10:43 PM 3 1374.00 CEUX
GENMAB A/S 07-May-2025 16:10:43 PM 31 1374.00 CEUX
GENMAB A/S 07-May-2025 16:11:12 PM 26 1374.00 XCSE
GENMAB A/S 07-May-2025 16:11:12 PM 27 1373.50 XCSE
GENMAB A/S 07-May-2025 16:11:14 PM 27 1373.00 XCSE
GENMAB A/S 07-May-2025 16:11:14 PM 4 1373.00 TQEX
GENMAB A/S 07-May-2025 16:11:14 PM 5 1373.00 TQEX
62




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:11:14 PM 4 1373.00 TQEX
GENMAB A/S 07-May-2025 16:11:14 PM 3 1373.00 TQEX
GENMAB A/S 07-May-2025 16:11:14 PM 9 1373.00 TQEX
GENMAB A/S 07-May-2025 16:11:14 PM 4 1373.00 TQEX
GENMAB A/S 07-May-2025 16:11:14 PM 5 1373.00 TQEX
GENMAB A/S 07-May-2025 16:11:14 PM 29 1373.50 CEUX
GENMAB A/S 07-May-2025 16:11:14 PM 5 1373.00 CEUX
GENMAB A/S 07-May-2025 16:11:14 PM 4 1373.00 CEUX
GENMAB A/S 07-May-2025 16:11:14 PM 36 1373.00 CEUX
GENMAB A/S 07-May-2025 16:11:30 PM 26 1372.50 CEUX
GENMAB A/S 07-May-2025 16:11:30 PM 20 1372.00 CEUX
GENMAB A/S 07-May-2025 16:11:30 PM 9 1372.00 CEUX
GENMAB A/S 07-May-2025 16:11:31 PM 10 1371.50 CEUX
GENMAB A/S 07-May-2025 16:11:33 PM 27 1372.50 XCSE
GENMAB A/S 07-May-2025 16:11:33 PM 8 1372.50 CEUX
GENMAB A/S 07-May-2025 16:11:38 PM 25 1372.50 XCSE
GENMAB A/S 07-May-2025 16:11:52 PM 21 1372.00 CEUX
GENMAB A/S 07-May-2025 16:11:52 PM 15 1372.00 CEUX
GENMAB A/S 07-May-2025 16:13:01 PM 10 1371.50 CEUX
GENMAB A/S 07-May-2025 16:13:01 PM 5 1371.50 CEUX
GENMAB A/S 07-May-2025 16:13:17 PM 5 1372.00 TQEX
GENMAB A/S 07-May-2025 16:13:17 PM 10 1372.00 CEUX
GENMAB A/S 07-May-2025 16:13:17 PM 10 1372.00 CEUX
GENMAB A/S 07-May-2025 16:13:17 PM 10 1372.00 CEUX
GENMAB A/S 07-May-2025 16:13:18 PM 22 1372.00 TQEX
GENMAB A/S 07-May-2025 16:13:18 PM 4 1372.00 CEUX
GENMAB A/S 07-May-2025 16:13:18 PM 10 1372.00 CEUX
GENMAB A/S 07-May-2025 16:13:18 PM 15 1372.00 CEUX
GENMAB A/S 07-May-2025 16:13:18 PM 31 1372.00 AQEU
GENMAB A/S 07-May-2025 16:13:20 PM 4 1372.00 XCSE
GENMAB A/S 07-May-2025 16:13:27 PM 1 1372.50 CEUX
GENMAB A/S 07-May-2025 16:13:27 PM 30 1372.50 CEUX
GENMAB A/S 07-May-2025 16:13:27 PM 14 1372.50 CEUX
GENMAB A/S 07-May-2025 16:13:29 PM 23 1372.50 XCSE
GENMAB A/S 07-May-2025 16:13:30 PM 3 1372.50 XCSE
GENMAB A/S 07-May-2025 16:13:30 PM 22 1372.50 XCSE
GENMAB A/S 07-May-2025 16:13:33 PM 5 1372.50 XCSE
GENMAB A/S 07-May-2025 16:13:36 PM 30 1372.50 XCSE
GENMAB A/S 07-May-2025 16:13:36 PM 23 1372.00 TQEX
GENMAB A/S 07-May-2025 16:13:37 PM 60 1372.00 XCSE
GENMAB A/S 07-May-2025 16:13:37 PM 16 1372.00 XCSE
63




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:13:37 PM 10 1372.00 CEUX
GENMAB A/S 07-May-2025 16:13:37 PM 15 1372.00 CEUX
GENMAB A/S 07-May-2025 16:13:37 PM 17 1372.00 CEUX
GENMAB A/S 07-May-2025 16:13:37 PM 3 1371.50 CEUX
GENMAB A/S 07-May-2025 16:13:37 PM 23 1372.00 AQEU
GENMAB A/S 07-May-2025 16:13:50 PM 2 1372.50 XCSE
GENMAB A/S 07-May-2025 16:13:50 PM 2 1372.50 XCSE
GENMAB A/S 07-May-2025 16:13:50 PM 2 1372.50 XCSE
GENMAB A/S 07-May-2025 16:13:50 PM 2 1372.50 XCSE
GENMAB A/S 07-May-2025 16:13:50 PM 2 1372.50 XCSE
GENMAB A/S 07-May-2025 16:13:50 PM 2 1372.50 XCSE
GENMAB A/S 07-May-2025 16:13:50 PM 2 1372.50 XCSE
GENMAB A/S 07-May-2025 16:13:50 PM 3 1372.50 XCSE
GENMAB A/S 07-May-2025 16:13:50 PM 3 1372.50 XCSE
GENMAB A/S 07-May-2025 16:13:50 PM 2 1372.50 XCSE
GENMAB A/S 07-May-2025 16:13:50 PM 32 1372.50 XCSE
GENMAB A/S 07-May-2025 16:13:50 PM 19 1373.00 XCSE
GENMAB A/S 07-May-2025 16:13:50 PM 2 1373.00 XCSE
GENMAB A/S 07-May-2025 16:13:50 PM 2 1373.00 XCSE
GENMAB A/S 07-May-2025 16:13:50 PM 6 1373.00 XCSE
GENMAB A/S 07-May-2025 16:13:50 PM 4 1373.00 XCSE
GENMAB A/S 07-May-2025 16:13:53 PM 3 1373.00 XCSE
GENMAB A/S 07-May-2025 16:13:53 PM 14 1373.00 XCSE
GENMAB A/S 07-May-2025 16:13:53 PM 2 1373.00 XCSE
GENMAB A/S 07-May-2025 16:13:53 PM 2 1373.00 XCSE
GENMAB A/S 07-May-2025 16:13:53 PM 2 1373.00 XCSE
GENMAB A/S 07-May-2025 16:13:53 PM 5 1373.00 XCSE
GENMAB A/S 07-May-2025 16:14:10 PM 10 1372.50 CEUX
GENMAB A/S 07-May-2025 16:14:35 PM 20 1373.00 CEUX
GENMAB A/S 07-May-2025 16:14:35 PM 10 1373.00 CEUX
GENMAB A/S 07-May-2025 16:14:36 PM 10 1373.00 CEUX
GENMAB A/S 07-May-2025 16:14:41 PM 10 1373.00 CEUX
GENMAB A/S 07-May-2025 16:14:43 PM 1 1373.00 CEUX
GENMAB A/S 07-May-2025 16:14:44 PM 10 1373.00 CEUX
GENMAB A/S 07-May-2025 16:14:44 PM 1 1373.00 CEUX
GENMAB A/S 07-May-2025 16:14:53 PM 7 1373.50 XCSE
GENMAB A/S 07-May-2025 16:14:53 PM 34 1373.50 XCSE
GENMAB A/S 07-May-2025 16:14:53 PM 6 1373.00 XCSE
GENMAB A/S 07-May-2025 16:14:53 PM 12 1373.00 XCSE
GENMAB A/S 07-May-2025 16:14:53 PM 16 1373.50 CEUX
GENMAB A/S 07-May-2025 16:14:53 PM 32 1373.50 CEUX
GENMAB A/S 07-May-2025 16:14:53 PM 3 1373.50 CEUX
64




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:14:53 PM 16 1373.00 CEUX
GENMAB A/S 07-May-2025 16:14:53 PM 2 1373.00 CEUX
GENMAB A/S 07-May-2025 16:14:53 PM 4 1373.00 CEUX
GENMAB A/S 07-May-2025 16:14:53 PM 10 1373.00 CEUX
GENMAB A/S 07-May-2025 16:14:53 PM 22 1373.00 CEUX
GENMAB A/S 07-May-2025 16:14:57 PM 29 1373.00 XCSE
GENMAB A/S 07-May-2025 16:14:57 PM 21 1373.50 CEUX
GENMAB A/S 07-May-2025 16:14:57 PM 5 1373.50 CEUX
GENMAB A/S 07-May-2025 16:14:59 PM 2 1372.50 XCSE
GENMAB A/S 07-May-2025 16:14:59 PM 32 1372.50 XCSE
GENMAB A/S 07-May-2025 16:14:59 PM 28 1373.00 CEUX
GENMAB A/S 07-May-2025 16:15:21 PM 1 1372.50 CEUX
GENMAB A/S 07-May-2025 16:15:46 PM 30 1372.00 XCSE
GENMAB A/S 07-May-2025 16:15:46 PM 36 1372.50 TQEX
GENMAB A/S 07-May-2025 16:15:46 PM 9 1372.50 CEUX
GENMAB A/S 07-May-2025 16:15:46 PM 16 1372.50 CEUX
GENMAB A/S 07-May-2025 16:15:46 PM 31 1372.00 CEUX
GENMAB A/S 07-May-2025 16:15:46 PM 31 1372.00 AQEU
GENMAB A/S 07-May-2025 16:15:57 PM 30 1371.50 XCSE
GENMAB A/S 07-May-2025 16:15:57 PM 8 1371.50 CEUX
GENMAB A/S 07-May-2025 16:15:57 PM 4 1371.50 CEUX
GENMAB A/S 07-May-2025 16:15:57 PM 12 1371.50 CEUX
GENMAB A/S 07-May-2025 16:15:59 PM 8 1371.50 CEUX
GENMAB A/S 07-May-2025 16:16:03 PM 27 1371.00 XCSE
GENMAB A/S 07-May-2025 16:16:03 PM 1 1371.00 CEUX
GENMAB A/S 07-May-2025 16:16:03 PM 25 1371.00 CEUX
GENMAB A/S 07-May-2025 16:16:30 PM 5 1370.50 XCSE
GENMAB A/S 07-May-2025 16:16:42 PM 33 1370.50 XCSE
GENMAB A/S 07-May-2025 16:16:42 PM 30 1370.00 XCSE
GENMAB A/S 07-May-2025 16:16:42 PM 31 1370.00 CEUX
GENMAB A/S 07-May-2025 16:16:43 PM 5 1370.50 TQEX
GENMAB A/S 07-May-2025 16:16:43 PM 2 1370.50 TQEX
GENMAB A/S 07-May-2025 16:16:43 PM 2 1370.50 TQEX
GENMAB A/S 07-May-2025 16:16:43 PM 10 1370.50 TQEX
GENMAB A/S 07-May-2025 16:16:43 PM 10 1370.50 TQEX
GENMAB A/S 07-May-2025 16:16:43 PM 2 1370.50 TQEX
GENMAB A/S 07-May-2025 16:16:43 PM 2 1370.50 TQEX
GENMAB A/S 07-May-2025 16:17:03 PM 12 1370.50 XCSE
GENMAB A/S 07-May-2025 16:17:03 PM 10 1370.50 XCSE
GENMAB A/S 07-May-2025 16:17:04 PM 15 1370.50 XCSE
GENMAB A/S 07-May-2025 16:17:04 PM 11 1370.00 XCSE
GENMAB A/S 07-May-2025 16:17:18 PM 10 1371.00 XCSE
65




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:17:18 PM 28 1371.00 XCSE
GENMAB A/S 07-May-2025 16:17:23 PM 18 1372.00 CEUX
GENMAB A/S 07-May-2025 16:17:23 PM 20 1372.00 CEUX
GENMAB A/S 07-May-2025 16:17:23 PM 8 1372.00 CEUX
GENMAB A/S 07-May-2025 16:18:07 PM 1 1373.00 CEUX
GENMAB A/S 07-May-2025 16:18:07 PM 10 1373.00 CEUX
GENMAB A/S 07-May-2025 16:18:20 PM 51 1373.00 XCSE
GENMAB A/S 07-May-2025 16:18:55 PM 45 1373.50 XCSE
GENMAB A/S 07-May-2025 16:18:55 PM 2 1373.00 XCSE
GENMAB A/S 07-May-2025 16:18:55 PM 9 1373.00 TQEX
GENMAB A/S 07-May-2025 16:18:55 PM 49 1373.00 CEUX
GENMAB A/S 07-May-2025 16:18:55 PM 1 1373.00 CEUX
GENMAB A/S 07-May-2025 16:18:55 PM 32 1373.00 AQEU
GENMAB A/S 07-May-2025 16:19:00 PM 7 1373.00 XCSE
GENMAB A/S 07-May-2025 16:19:03 PM 24 1372.50 XCSE
GENMAB A/S 07-May-2025 16:19:03 PM 33 1373.00 TQEX
GENMAB A/S 07-May-2025 16:19:06 PM 4 1372.50 XCSE
GENMAB A/S 07-May-2025 16:19:25 PM 34 1373.00 CEUX
GENMAB A/S 07-May-2025 16:20:17 PM 2 1373.50 CEUX
GENMAB A/S 07-May-2025 16:20:52 PM 34 1374.00 XCSE
GENMAB A/S 07-May-2025 16:20:52 PM 1 1374.00 XCSE
GENMAB A/S 07-May-2025 16:20:52 PM 14 1374.00 XCSE
GENMAB A/S 07-May-2025 16:20:53 PM 25 1374.00 CEUX
GENMAB A/S 07-May-2025 16:20:53 PM 10 1374.00 CEUX
GENMAB A/S 07-May-2025 16:20:53 PM 1 1374.00 CEUX
GENMAB A/S 07-May-2025 16:20:53 PM 11 1374.00 CEUX
GENMAB A/S 07-May-2025 16:20:53 PM 47 1374.00 CEUX
GENMAB A/S 07-May-2025 16:21:12 PM 13 1374.00 XCSE
GENMAB A/S 07-May-2025 16:21:12 PM 24 1374.00 XCSE
GENMAB A/S 07-May-2025 16:21:12 PM 28 1374.00 XCSE
GENMAB A/S 07-May-2025 16:21:25 PM 47 1374.50 XCSE
GENMAB A/S 07-May-2025 16:21:27 PM 36 1375.00 CEUX
GENMAB A/S 07-May-2025 16:21:27 PM 4 1375.00 CEUX
GENMAB A/S 07-May-2025 16:21:30 PM 10 1374.50 AQEU
GENMAB A/S 07-May-2025 16:21:38 PM 32 1374.50 XCSE
GENMAB A/S 07-May-2025 16:21:38 PM 5 1374.50 AQEU
GENMAB A/S 07-May-2025 16:22:13 PM 6 1374.50 XCSE
GENMAB A/S 07-May-2025 16:22:13 PM 12 1374.50 XCSE
GENMAB A/S 07-May-2025 16:22:13 PM 28 1375.00 TQEX
GENMAB A/S 07-May-2025 16:22:13 PM 28 1374.50 TQEX
GENMAB A/S 07-May-2025 16:22:13 PM 13 1374.50 CEUX
GENMAB A/S 07-May-2025 16:22:15 PM 65 1374.50 XCSE
66




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:22:15 PM 9 1374.00 TQEX
GENMAB A/S 07-May-2025 16:22:15 PM 19 1374.50 CEUX
GENMAB A/S 07-May-2025 16:22:15 PM 46 1374.50 CEUX
GENMAB A/S 07-May-2025 16:22:15 PM 15 1374.00 CEUX
GENMAB A/S 07-May-2025 16:22:15 PM 8 1374.00 CEUX
GENMAB A/S 07-May-2025 16:22:15 PM 18 1374.50 AQEU
GENMAB A/S 07-May-2025 16:22:17 PM 20 1374.00 CEUX
GENMAB A/S 07-May-2025 16:22:17 PM 10 1374.00 CEUX
GENMAB A/S 07-May-2025 16:22:28 PM 3 1374.50 AQEU
GENMAB A/S 07-May-2025 16:22:41 PM 31 1374.50 AQEU
GENMAB A/S 07-May-2025 16:23:16 PM 61 1374.50 XCSE
GENMAB A/S 07-May-2025 16:23:16 PM 17 1374.50 XCSE
GENMAB A/S 07-May-2025 16:23:16 PM 81 1374.00 XCSE
GENMAB A/S 07-May-2025 16:23:16 PM 22 1373.50 XCSE
GENMAB A/S 07-May-2025 16:23:16 PM 36 1374.50 CEUX
GENMAB A/S 07-May-2025 16:23:16 PM 27 1374.00 CEUX
GENMAB A/S 07-May-2025 16:23:54 PM 83 1374.50 XCSE
GENMAB A/S 07-May-2025 16:23:55 PM 18 1375.00 CEUX
GENMAB A/S 07-May-2025 16:23:56 PM 39 1375.00 CEUX
GENMAB A/S 07-May-2025 16:23:59 PM 32 1375.00 CEUX
GENMAB A/S 07-May-2025 16:24:05 PM 27 1374.50 TQEX
GENMAB A/S 07-May-2025 16:24:07 PM 54 1374.50 CEUX
GENMAB A/S 07-May-2025 16:24:35 PM 21 1374.50 CEUX
GENMAB A/S 07-May-2025 16:24:47 PM 18 1374.50 CEUX
GENMAB A/S 07-May-2025 16:24:47 PM 10 1374.50 CEUX
GENMAB A/S 07-May-2025 16:24:47 PM 19 1374.50 CEUX
GENMAB A/S 07-May-2025 16:25:12 PM 1 1374.50 XCSE
GENMAB A/S 07-May-2025 16:25:12 PM 13 1374.00 XCSE
GENMAB A/S 07-May-2025 16:25:12 PM 21 1374.50 CEUX
GENMAB A/S 07-May-2025 16:25:12 PM 11 1374.00 CEUX
GENMAB A/S 07-May-2025 16:25:31 PM 2 1374.00 CEUX
GENMAB A/S 07-May-2025 16:26:16 PM 36 1374.00 XCSE
GENMAB A/S 07-May-2025 16:26:16 PM 34 1374.00 XCSE
GENMAB A/S 07-May-2025 16:26:16 PM 40 1374.00 XCSE
GENMAB A/S 07-May-2025 16:26:16 PM 3 1374.00 CEUX
GENMAB A/S 07-May-2025 16:26:16 PM 7 1374.00 CEUX
GENMAB A/S 07-May-2025 16:26:16 PM 28 1374.00 CEUX
GENMAB A/S 07-May-2025 16:26:16 PM 20 1374.00 CEUX
GENMAB A/S 07-May-2025 16:26:16 PM 7 1374.00 CEUX
GENMAB A/S 07-May-2025 16:26:16 PM 4 1374.00 CEUX
GENMAB A/S 07-May-2025 16:26:16 PM 1 1374.00 CEUX
GENMAB A/S 07-May-2025 16:26:16 PM 10 1373.50 CEUX
67




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:26:16 PM 30 1373.50 CEUX
GENMAB A/S 07-May-2025 16:26:16 PM 40 1373.50 CEUX
GENMAB A/S 07-May-2025 16:26:16 PM 28 1374.00 AQEU
GENMAB A/S 07-May-2025 16:26:17 PM 7 1374.50 XCSE
GENMAB A/S 07-May-2025 16:26:17 PM 41 1374.50 XCSE
GENMAB A/S 07-May-2025 16:26:17 PM 68 1374.50 XCSE
GENMAB A/S 07-May-2025 16:26:36 PM 2 1374.00 CEUX
GENMAB A/S 07-May-2025 16:27:02 PM 55 1374.50 XCSE
GENMAB A/S 07-May-2025 16:27:02 PM 16 1374.50 XCSE
GENMAB A/S 07-May-2025 16:27:02 PM 17 1374.50 XCSE
GENMAB A/S 07-May-2025 16:27:02 PM 55 1374.50 XCSE
GENMAB A/S 07-May-2025 16:27:05 PM 6 1374.50 XCSE
GENMAB A/S 07-May-2025 16:27:05 PM 26 1374.50 TQEX
GENMAB A/S 07-May-2025 16:27:05 PM 24 1374.50 CEUX
GENMAB A/S 07-May-2025 16:27:05 PM 5 1374.50 CEUX
GENMAB A/S 07-May-2025 16:27:05 PM 51 1374.50 CEUX
GENMAB A/S 07-May-2025 16:27:05 PM 36 1374.50 CEUX
GENMAB A/S 07-May-2025 16:27:05 PM 9 1374.00 CEUX
GENMAB A/S 07-May-2025 16:27:37 PM 18 1374.50 CEUX
GENMAB A/S 07-May-2025 16:27:37 PM 8 1374.50 CEUX
GENMAB A/S 07-May-2025 16:28:23 PM 40 1376.00 CEUX
GENMAB A/S 07-May-2025 16:28:23 PM 46 1376.00 CEUX
GENMAB A/S 07-May-2025 16:28:23 PM 20 1376.00 CEUX
GENMAB A/S 07-May-2025 16:28:35 PM 36 1375.50 XCSE
GENMAB A/S 07-May-2025 16:28:35 PM 12 1375.50 XCSE
GENMAB A/S 07-May-2025 16:28:35 PM 30 1376.00 XCSE
GENMAB A/S 07-May-2025 16:28:35 PM 13 1376.00 XCSE
GENMAB A/S 07-May-2025 16:28:35 PM 15 1376.00 XCSE
GENMAB A/S 07-May-2025 16:28:35 PM 31 1375.50 TQEX
GENMAB A/S 07-May-2025 16:28:47 PM 22 1375.50 CEUX
GENMAB A/S 07-May-2025 16:28:47 PM 27 1375.50 CEUX
GENMAB A/S 07-May-2025 16:28:47 PM 3 1375.50 CEUX
GENMAB A/S 07-May-2025 16:29:11 PM 30 1375.50 XCSE
GENMAB A/S 07-May-2025 16:29:11 PM 9 1375.50 XCSE
GENMAB A/S 07-May-2025 16:29:13 PM 32 1375.50 CEUX
GENMAB A/S 07-May-2025 16:29:21 PM 80 1375.00 XCSE
GENMAB A/S 07-May-2025 16:29:21 PM 60 1374.50 XCSE
GENMAB A/S 07-May-2025 16:29:21 PM 65 1375.00 XCSE
GENMAB A/S 07-May-2025 16:29:21 PM 31 1375.00 TQEX
GENMAB A/S 07-May-2025 16:29:21 PM 28 1374.50 TQEX
GENMAB A/S 07-May-2025 16:29:21 PM 78 1375.00 CEUX
GENMAB A/S 07-May-2025 16:29:21 PM 83 1374.50 CEUX
68




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:29:21 PM 53 1375.00 CEUX
GENMAB A/S 07-May-2025 16:29:21 PM 8 1375.00 AQEU
GENMAB A/S 07-May-2025 16:29:21 PM 27 1375.00 AQEU
GENMAB A/S 07-May-2025 16:29:21 PM 30 1374.50 AQEU
GENMAB A/S 07-May-2025 16:29:21 PM 36 1375.00 AQEU
GENMAB A/S 07-May-2025 16:29:37 PM 52 1375.00 XCSE
GENMAB A/S 07-May-2025 16:29:41 PM 22 1375.00 XCSE
GENMAB A/S 07-May-2025 16:29:41 PM 9 1375.00 XCSE
GENMAB A/S 07-May-2025 16:29:41 PM 9 1374.50 CEUX
GENMAB A/S 07-May-2025 16:29:41 PM 18 1374.50 CEUX
GENMAB A/S 07-May-2025 16:29:54 PM 18 1374.50 XCSE
GENMAB A/S 07-May-2025 16:29:54 PM 10 1374.50 CEUX
GENMAB A/S 07-May-2025 16:29:54 PM 10 1374.00 CEUX
GENMAB A/S 07-May-2025 16:29:54 PM 10 1374.00 CEUX
GENMAB A/S 07-May-2025 16:30:28 PM 55 1375.00 XCSE
GENMAB A/S 07-May-2025 16:30:28 PM 27 1375.00 TQEX
GENMAB A/S 07-May-2025 16:30:28 PM 55 1375.00 CEUX
GENMAB A/S 07-May-2025 16:31:03 PM 14 1374.50 XCSE
GENMAB A/S 07-May-2025 16:31:03 PM 21 1374.50 XCSE
GENMAB A/S 07-May-2025 16:31:03 PM 7 1374.50 XCSE
GENMAB A/S 07-May-2025 16:31:03 PM 32 1374.00 XCSE
GENMAB A/S 07-May-2025 16:31:03 PM 10 1374.50 CEUX
GENMAB A/S 07-May-2025 16:31:03 PM 36 1374.50 CEUX
GENMAB A/S 07-May-2025 16:31:03 PM 47 1374.00 CEUX
GENMAB A/S 07-May-2025 16:32:32 PM 77 1375.00 XCSE
GENMAB A/S 07-May-2025 16:32:32 PM 81 1374.50 XCSE
GENMAB A/S 07-May-2025 16:32:32 PM 3 1374.50 TQEX
GENMAB A/S 07-May-2025 16:32:32 PM 3 1374.50 TQEX
GENMAB A/S 07-May-2025 16:32:32 PM 81 1375.00 CEUX
GENMAB A/S 07-May-2025 16:32:32 PM 84 1374.50 CEUX
GENMAB A/S 07-May-2025 16:32:32 PM 30 1374.50 AQEU
GENMAB A/S 07-May-2025 16:32:33 PM 10 1374.50 TQEX
GENMAB A/S 07-May-2025 16:32:40 PM 11 1374.50 TQEX
GENMAB A/S 07-May-2025 16:32:40 PM 9 1374.50 TQEX
GENMAB A/S 07-May-2025 16:32:40 PM 17 1374.00 TQEX
GENMAB A/S 07-May-2025 16:32:40 PM 14 1374.00 TQEX
GENMAB A/S 07-May-2025 16:32:40 PM 7 1374.00 CEUX
GENMAB A/S 07-May-2025 16:33:51 PM 67 1375.50 CEUX
GENMAB A/S 07-May-2025 16:35:00 PM 41 1376.00 XCSE
GENMAB A/S 07-May-2025 16:35:00 PM 38 1376.00 XCSE
GENMAB A/S 07-May-2025 16:35:00 PM 36 1376.00 XCSE
GENMAB A/S 07-May-2025 16:35:00 PM 13 1376.00 XCSE
69




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:35:00 PM 4 1375.50 TQEX
GENMAB A/S 07-May-2025 16:35:00 PM 6 1375.50 TQEX
GENMAB A/S 07-May-2025 16:35:00 PM 2 1375.50 TQEX
GENMAB A/S 07-May-2025 16:35:00 PM 3 1375.50 TQEX
GENMAB A/S 07-May-2025 16:35:00 PM 3 1375.50 TQEX
GENMAB A/S 07-May-2025 16:35:00 PM 10 1375.50 TQEX
GENMAB A/S 07-May-2025 16:35:00 PM 2 1375.50 TQEX
GENMAB A/S 07-May-2025 16:35:00 PM 78 1376.00 CEUX
GENMAB A/S 07-May-2025 16:35:00 PM 3 1376.00 CEUX
GENMAB A/S 07-May-2025 16:35:00 PM 17 1376.00 CEUX
GENMAB A/S 07-May-2025 16:35:00 PM 2 1375.50 CEUX
GENMAB A/S 07-May-2025 16:35:00 PM 1 1375.50 CEUX
GENMAB A/S 07-May-2025 16:35:00 PM 8 1375.50 CEUX
GENMAB A/S 07-May-2025 16:35:00 PM 1 1375.50 CEUX
GENMAB A/S 07-May-2025 16:35:00 PM 2 1375.50 CEUX
GENMAB A/S 07-May-2025 16:35:01 PM 22 1376.00 XCSE
GENMAB A/S 07-May-2025 16:35:18 PM 30 1376.00 XCSE
GENMAB A/S 07-May-2025 16:35:18 PM 17 1376.00 XCSE
GENMAB A/S 07-May-2025 16:35:18 PM 36 1376.00 XCSE
GENMAB A/S 07-May-2025 16:35:18 PM 1 1376.00 XCSE
GENMAB A/S 07-May-2025 16:35:27 PM 79 1375.50 XCSE
GENMAB A/S 07-May-2025 16:35:27 PM 27 1375.50 XCSE
GENMAB A/S 07-May-2025 16:35:27 PM 26 1375.50 AQEU
GENMAB A/S 07-May-2025 16:35:28 PM 36 1375.50 CEUX
GENMAB A/S 07-May-2025 16:35:37 PM 71 1375.00 XCSE
GENMAB A/S 07-May-2025 16:35:37 PM 36 1375.50 CEUX
GENMAB A/S 07-May-2025 16:36:14 PM 36 1376.00 CEUX
GENMAB A/S 07-May-2025 16:36:22 PM 11 1376.50 CEUX
GENMAB A/S 07-May-2025 16:36:36 PM 30 1376.50 XCSE
GENMAB A/S 07-May-2025 16:36:36 PM 15 1376.50 XCSE
GENMAB A/S 07-May-2025 16:36:36 PM 16 1376.50 XCSE
GENMAB A/S 07-May-2025 16:36:36 PM 36 1376.50 CEUX
GENMAB A/S 07-May-2025 16:36:37 PM 36 1376.50 CEUX
GENMAB A/S 07-May-2025 16:36:37 PM 32 1376.50 CEUX
GENMAB A/S 07-May-2025 16:36:44 PM 83 1376.00 CEUX
GENMAB A/S 07-May-2025 16:37:12 PM 82 1376.50 XCSE
GENMAB A/S 07-May-2025 16:37:12 PM 8 1376.00 XCSE
GENMAB A/S 07-May-2025 16:37:12 PM 27 1376.50 TQEX
GENMAB A/S 07-May-2025 16:37:12 PM 13 1376.00 AQEU
GENMAB A/S 07-May-2025 16:37:12 PM 7 1376.00 AQEU
GENMAB A/S 07-May-2025 16:37:18 PM 54 1376.00 XCSE
GENMAB A/S 07-May-2025 16:37:18 PM 45 1375.50 XCSE
70




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:37:18 PM 24 1376.00 TQEX
GENMAB A/S 07-May-2025 16:37:18 PM 4 1376.00 TQEX
GENMAB A/S 07-May-2025 16:37:18 PM 47 1376.00 CEUX
GENMAB A/S 07-May-2025 16:37:18 PM 15 1376.00 CEUX
GENMAB A/S 07-May-2025 16:37:18 PM 82 1375.50 CEUX
GENMAB A/S 07-May-2025 16:37:18 PM 1 1375.00 CEUX
GENMAB A/S 07-May-2025 16:37:18 PM 1 1375.00 CEUX
GENMAB A/S 07-May-2025 16:37:18 PM 17 1376.00 AQEU
GENMAB A/S 07-May-2025 16:37:18 PM 1 1375.50 AQEU
GENMAB A/S 07-May-2025 16:37:18 PM 1 1375.50 AQEU
GENMAB A/S 07-May-2025 16:37:18 PM 20 1375.50 AQEU
GENMAB A/S 07-May-2025 16:37:47 PM 19 1375.50 XCSE
GENMAB A/S 07-May-2025 16:37:47 PM 39 1375.50 XCSE
GENMAB A/S 07-May-2025 16:37:47 PM 10 1375.50 CEUX
GENMAB A/S 07-May-2025 16:37:47 PM 16 1375.50 CEUX
GENMAB A/S 07-May-2025 16:37:56 PM 10 1375.00 CEUX
GENMAB A/S 07-May-2025 16:37:56 PM 10 1375.00 CEUX
GENMAB A/S 07-May-2025 16:38:12 PM 30 1375.00 CEUX
GENMAB A/S 07-May-2025 16:39:10 PM 36 1375.50 CEUX
GENMAB A/S 07-May-2025 16:39:10 PM 1 1375.00 CEUX
GENMAB A/S 07-May-2025 16:39:12 PM 30 1375.50 XCSE
GENMAB A/S 07-May-2025 16:39:12 PM 15 1375.50 XCSE
GENMAB A/S 07-May-2025 16:39:12 PM 36 1375.50 XCSE
GENMAB A/S 07-May-2025 16:39:18 PM 26 1375.50 XCSE
GENMAB A/S 07-May-2025 16:39:18 PM 55 1375.00 XCSE
GENMAB A/S 07-May-2025 16:39:19 PM 14 1376.00 CEUX
GENMAB A/S 07-May-2025 16:39:32 PM 40 1376.00 TQEX
GENMAB A/S 07-May-2025 16:39:32 PM 67 1376.00 CEUX
GENMAB A/S 07-May-2025 16:39:32 PM 46 1376.00 AQEU
GENMAB A/S 07-May-2025 16:39:34 PM 40 1376.00 TQEX
GENMAB A/S 07-May-2025 16:39:37 PM 74 1376.00 XCSE
GENMAB A/S 07-May-2025 16:39:39 PM 1 1376.00 XCSE
GENMAB A/S 07-May-2025 16:39:42 PM 54 1375.50 XCSE
GENMAB A/S 07-May-2025 16:39:42 PM 66 1375.50 CEUX
GENMAB A/S 07-May-2025 16:39:42 PM 14 1375.50 CEUX
GENMAB A/S 07-May-2025 16:40:29 PM 57 1375.00 XCSE
GENMAB A/S 07-May-2025 16:40:29 PM 19 1375.00 CEUX
GENMAB A/S 07-May-2025 16:41:12 PM 8 1376.00 XCSE
GENMAB A/S 07-May-2025 16:41:12 PM 1 1376.00 XCSE
GENMAB A/S 07-May-2025 16:41:12 PM 76 1376.00 XCSE
GENMAB A/S 07-May-2025 16:41:12 PM 21 1376.00 XCSE
GENMAB A/S 07-May-2025 16:41:12 PM 33 1375.00 CEUX
71




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:41:12 PM 28 1375.00 CEUX
GENMAB A/S 07-May-2025 16:41:12 PM 36 1375.00 CEUX
GENMAB A/S 07-May-2025 16:41:12 PM 13 1374.50 CEUX
GENMAB A/S 07-May-2025 16:41:17 PM 27 1374.50 XCSE
GENMAB A/S 07-May-2025 16:41:17 PM 60 1374.00 XCSE
GENMAB A/S 07-May-2025 16:41:17 PM 50 1373.50 XCSE
GENMAB A/S 07-May-2025 16:41:17 PM 27 1373.00 XCSE
GENMAB A/S 07-May-2025 16:41:17 PM 35 1374.50 CEUX
GENMAB A/S 07-May-2025 16:41:17 PM 24 1374.50 CEUX
GENMAB A/S 07-May-2025 16:41:17 PM 57 1374.00 CEUX
GENMAB A/S 07-May-2025 16:41:17 PM 80 1373.50 CEUX
GENMAB A/S 07-May-2025 16:41:17 PM 54 1373.00 CEUX
GENMAB A/S 07-May-2025 16:41:17 PM 35 1374.50 AQEU
GENMAB A/S 07-May-2025 16:41:24 PM 31 1369.50 XCSE
GENMAB A/S 07-May-2025 16:41:32 PM 17 1367.50 CEUX
GENMAB A/S 07-May-2025 16:42:55 PM 34 1369.00 CEUX
GENMAB A/S 07-May-2025 16:42:55 PM 28 1369.00 CEUX
GENMAB A/S 07-May-2025 16:42:55 PM 1 1369.00 CEUX
GENMAB A/S 07-May-2025 16:42:55 PM 1 1369.00 CEUX
GENMAB A/S 07-May-2025 16:42:55 PM 31 1369.00 CEUX
GENMAB A/S 07-May-2025 16:42:56 PM 46 1368.50 XCSE
GENMAB A/S 07-May-2025 16:42:57 PM 35 1369.00 XCSE
GENMAB A/S 07-May-2025 16:43:00 PM 67 1368.50 XCSE
GENMAB A/S 07-May-2025 16:43:05 PM 73 1368.00 XCSE
GENMAB A/S 07-May-2025 16:43:05 PM 24 1368.00 TQEX
GENMAB A/S 07-May-2025 16:43:05 PM 2 1368.00 TQEX
GENMAB A/S 07-May-2025 16:43:05 PM 78 1368.00 CEUX
GENMAB A/S 07-May-2025 16:43:05 PM 42 1368.00 AQEU
GENMAB A/S 07-May-2025 16:43:13 PM 33 1369.00 TQEX
GENMAB A/S 07-May-2025 16:43:13 PM 30 1369.50 TQEX
GENMAB A/S 07-May-2025 16:43:13 PM 4 1369.50 CEUX
GENMAB A/S 07-May-2025 16:43:13 PM 23 1369.50 CEUX
GENMAB A/S 07-May-2025 16:43:18 PM 27 1369.00 CEUX
GENMAB A/S 07-May-2025 16:43:19 PM 6 1368.50 XCSE
GENMAB A/S 07-May-2025 16:43:19 PM 27 1368.50 CEUX
GENMAB A/S 07-May-2025 16:43:31 PM 22 1368.50 XCSE
GENMAB A/S 07-May-2025 16:44:05 PM 27 1368.50 CEUX
GENMAB A/S 07-May-2025 16:44:07 PM 30 1368.00 XCSE
GENMAB A/S 07-May-2025 16:44:07 PM 2 1368.00 XCSE
GENMAB A/S 07-May-2025 16:44:07 PM 24 1368.00 CEUX
GENMAB A/S 07-May-2025 16:44:07 PM 2 1368.00 CEUX
GENMAB A/S 07-May-2025 16:44:09 PM 32 1370.50 CEUX
72




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:44:10 PM 1 1371.50 XCSE
GENMAB A/S 07-May-2025 16:44:10 PM 44 1371.50 XCSE
GENMAB A/S 07-May-2025 16:44:10 PM 46 1371.00 XCSE
GENMAB A/S 07-May-2025 16:44:10 PM 13 1371.00 CEUX
GENMAB A/S 07-May-2025 16:44:10 PM 10 1371.00 CEUX
GENMAB A/S 07-May-2025 16:44:12 PM 10 1371.00 CEUX
GENMAB A/S 07-May-2025 16:44:17 PM 12 1371.50 XCSE
GENMAB A/S 07-May-2025 16:44:22 PM 9 1371.50 XCSE
GENMAB A/S 07-May-2025 16:44:22 PM 13 1371.50 XCSE
GENMAB A/S 07-May-2025 16:44:34 PM 13 1372.00 XCSE
GENMAB A/S 07-May-2025 16:44:34 PM 15 1372.00 XCSE
GENMAB A/S 07-May-2025 16:44:34 PM 31 1371.50 XCSE
GENMAB A/S 07-May-2025 16:44:34 PM 26 1372.00 CEUX
GENMAB A/S 07-May-2025 16:44:34 PM 27 1371.50 CEUX
GENMAB A/S 07-May-2025 16:44:34 PM 30 1371.00 CEUX
GENMAB A/S 07-May-2025 16:44:56 PM 26 1371.00 XCSE
GENMAB A/S 07-May-2025 16:45:14 PM 20 1370.50 CEUX
GENMAB A/S 07-May-2025 16:45:16 PM 27 1370.50 XCSE
GENMAB A/S 07-May-2025 16:45:16 PM 44 1370.50 TQEX
GENMAB A/S 07-May-2025 16:45:16 PM 6 1370.50 CEUX
GENMAB A/S 07-May-2025 16:45:16 PM 40 1370.50 AQEU
GENMAB A/S 07-May-2025 16:45:20 PM 27 1370.00 XCSE
GENMAB A/S 07-May-2025 16:45:20 PM 25 1370.00 CEUX
GENMAB A/S 07-May-2025 16:45:25 PM 10 1370.00 CEUX
GENMAB A/S 07-May-2025 16:45:35 PM 19 1369.50 XCSE
GENMAB A/S 07-May-2025 16:45:41 PM 8 1369.50 XCSE
GENMAB A/S 07-May-2025 16:45:47 PM 19 1369.50 CEUX
GENMAB A/S 07-May-2025 16:45:48 PM 13 1369.50 CEUX
GENMAB A/S 07-May-2025 16:45:58 PM 26 1369.00 XCSE
GENMAB A/S 07-May-2025 16:46:17 PM 22 1370.00 XCSE
GENMAB A/S 07-May-2025 16:47:41 PM 31 1369.50 XCSE
GENMAB A/S 07-May-2025 16:47:41 PM 9 1369.50 XCSE
GENMAB A/S 07-May-2025 16:47:41 PM 3 1369.50 TQEX
GENMAB A/S 07-May-2025 16:47:41 PM 9 1369.50 TQEX
GENMAB A/S 07-May-2025 16:47:41 PM 7 1369.50 CEUX
GENMAB A/S 07-May-2025 16:47:41 PM 9 1369.50 CEUX
GENMAB A/S 07-May-2025 16:47:41 PM 9 1369.50 AQEU
GENMAB A/S 07-May-2025 16:47:42 PM 9 1369.50 XCSE
GENMAB A/S 07-May-2025 16:47:42 PM 4 1369.50 XCSE
GENMAB A/S 07-May-2025 16:47:42 PM 20 1369.50 XCSE
GENMAB A/S 07-May-2025 16:47:42 PM 36 1369.50 XCSE
GENMAB A/S 07-May-2025 16:47:42 PM 29 1369.50 TQEX
73




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:47:42 PM 47 1369.50 CEUX
GENMAB A/S 07-May-2025 16:47:42 PM 36 1369.50 CEUX
GENMAB A/S 07-May-2025 16:47:42 PM 28 1369.50 AQEU
GENMAB A/S 07-May-2025 16:47:43 PM 3 1369.50 CEUX
GENMAB A/S 07-May-2025 16:47:43 PM 33 1369.50 CEUX
GENMAB A/S 07-May-2025 16:47:50 PM 31 1369.00 XCSE
GENMAB A/S 07-May-2025 16:48:05 PM 1 1369.00 XCSE
GENMAB A/S 07-May-2025 16:48:05 PM 24 1369.00 XCSE
GENMAB A/S 07-May-2025 16:48:05 PM 29 1369.00 CEUX
GENMAB A/S 07-May-2025 16:48:05 PM 36 1369.00 CEUX
GENMAB A/S 07-May-2025 16:48:05 PM 10 1368.50 CEUX
GENMAB A/S 07-May-2025 16:48:05 PM 26 1369.00 AQEU
GENMAB A/S 07-May-2025 16:48:06 PM 18 1369.00 XCSE
GENMAB A/S 07-May-2025 16:48:06 PM 37 1368.50 XCSE
GENMAB A/S 07-May-2025 16:48:18 PM 32 1369.50 XCSE
GENMAB A/S 07-May-2025 16:48:18 PM 1 1369.50 XCSE
GENMAB A/S 07-May-2025 16:48:18 PM 47 1369.50 XCSE
GENMAB A/S 07-May-2025 16:48:18 PM 15 1369.00 XCSE
GENMAB A/S 07-May-2025 16:48:18 PM 48 1369.00 CEUX
GENMAB A/S 07-May-2025 16:48:42 PM 24 1370.00 XCSE
GENMAB A/S 07-May-2025 16:48:42 PM 67 1370.00 XCSE
GENMAB A/S 07-May-2025 16:48:42 PM 12 1370.00 XCSE
GENMAB A/S 07-May-2025 16:48:42 PM 13 1370.00 XCSE
GENMAB A/S 07-May-2025 16:48:42 PM 21 1370.00 XCSE
GENMAB A/S 07-May-2025 16:48:45 PM 3 1369.50 TQEX
GENMAB A/S 07-May-2025 16:48:50 PM 2 1369.50 TQEX
GENMAB A/S 07-May-2025 16:48:55 PM 1 1369.50 TQEX
GENMAB A/S 07-May-2025 16:49:01 PM 1 1369.50 TQEX
GENMAB A/S 07-May-2025 16:49:03 PM 17 1370.00 CEUX
GENMAB A/S 07-May-2025 16:49:03 PM 23 1370.00 CEUX
GENMAB A/S 07-May-2025 16:49:03 PM 51 1370.00 CEUX
GENMAB A/S 07-May-2025 16:49:05 PM 23 1370.00 CEUX
GENMAB A/S 07-May-2025 16:49:05 PM 36 1370.00 CEUX
GENMAB A/S 07-May-2025 16:49:06 PM 20 1370.00 XCSE
GENMAB A/S 07-May-2025 16:49:16 PM 1 1370.00 XCSE
GENMAB A/S 07-May-2025 16:49:16 PM 1 1370.00 TQEX
GENMAB A/S 07-May-2025 16:49:16 PM 7 1370.00 CEUX
GENMAB A/S 07-May-2025 16:49:20 PM 55 1370.00 XCSE
GENMAB A/S 07-May-2025 16:49:20 PM 9 1370.00 TQEX
GENMAB A/S 07-May-2025 16:49:20 PM 22 1370.00 TQEX
GENMAB A/S 07-May-2025 16:49:20 PM 10 1370.00 CEUX
GENMAB A/S 07-May-2025 16:49:20 PM 56 1370.00 CEUX
74




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:49:20 PM 36 1370.00 CEUX
GENMAB A/S 07-May-2025 16:49:20 PM 7 1370.00 CEUX
GENMAB A/S 07-May-2025 16:49:21 PM 1 1369.50 XCSE
GENMAB A/S 07-May-2025 16:49:21 PM 16 1369.50 XCSE
GENMAB A/S 07-May-2025 16:49:21 PM 1 1369.50 TQEX
GENMAB A/S 07-May-2025 16:49:21 PM 33 1370.00 CEUX
GENMAB A/S 07-May-2025 16:49:21 PM 23 1370.00 CEUX
GENMAB A/S 07-May-2025 16:49:21 PM 1 1369.50 CEUX
GENMAB A/S 07-May-2025 16:49:29 PM 1 1370.50 XCSE
GENMAB A/S 07-May-2025 16:49:29 PM 17 1370.50 XCSE
GENMAB A/S 07-May-2025 16:49:29 PM 17 1370.50 XCSE
GENMAB A/S 07-May-2025 16:49:29 PM 1 1370.50 XCSE
GENMAB A/S 07-May-2025 16:49:29 PM 11 1370.50 XCSE
GENMAB A/S 07-May-2025 16:49:38 PM 12 1370.50 TQEX
GENMAB A/S 07-May-2025 16:49:38 PM 12 1370.50 CEUX
GENMAB A/S 07-May-2025 16:49:43 PM 8 1370.50 TQEX
GENMAB A/S 07-May-2025 16:49:43 PM 8 1370.50 CEUX
GENMAB A/S 07-May-2025 16:49:48 PM 6 1370.50 TQEX
GENMAB A/S 07-May-2025 16:49:48 PM 6 1370.50 CEUX
GENMAB A/S 07-May-2025 16:49:49 PM 12 1370.50 TQEX
GENMAB A/S 07-May-2025 16:49:49 PM 19 1370.50 CEUX
GENMAB A/S 07-May-2025 16:49:49 PM 36 1370.50 CEUX
GENMAB A/S 07-May-2025 16:50:04 PM 4 1370.50 AQEU
GENMAB A/S 07-May-2025 16:50:04 PM 20 1370.50 AQEU
GENMAB A/S 07-May-2025 16:50:09 PM 36 1370.50 XCSE
GENMAB A/S 07-May-2025 16:50:09 PM 17 1370.50 XCSE
GENMAB A/S 07-May-2025 16:50:09 PM 13 1370.50 XCSE
GENMAB A/S 07-May-2025 16:50:09 PM 11 1370.50 XCSE
GENMAB A/S 07-May-2025 16:50:09 PM 2 1370.00 CEUX
GENMAB A/S 07-May-2025 16:50:09 PM 5 1370.00 CEUX
GENMAB A/S 07-May-2025 16:50:09 PM 33 1370.00 CEUX
GENMAB A/S 07-May-2025 16:50:09 PM 23 1370.50 CEUX
GENMAB A/S 07-May-2025 16:50:09 PM 8 1370.50 AQEU
GENMAB A/S 07-May-2025 16:50:09 PM 10 1370.50 AQEU
GENMAB A/S 07-May-2025 16:50:14 PM 13 1370.50 XCSE
GENMAB A/S 07-May-2025 16:50:14 PM 11 1370.50 XCSE
GENMAB A/S 07-May-2025 16:50:14 PM 12 1370.50 XCSE
GENMAB A/S 07-May-2025 16:50:14 PM 12 1370.50 XCSE
GENMAB A/S 07-May-2025 16:50:14 PM 3 1370.00 XCSE
GENMAB A/S 07-May-2025 16:50:19 PM 32 1370.00 XCSE
GENMAB A/S 07-May-2025 16:50:21 PM 2 1369.50 XCSE
75




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:50:26 PM 1 1369.50 XCSE
GENMAB A/S 07-May-2025 16:50:31 PM 1 1369.50 XCSE
GENMAB A/S 07-May-2025 16:50:32 PM 3 1369.50 CEUX
GENMAB A/S 07-May-2025 16:50:32 PM 21 1369.50 CEUX
GENMAB A/S 07-May-2025 16:50:33 PM 56 1369.50 XCSE
GENMAB A/S 07-May-2025 16:50:33 PM 17 1369.50 CEUX
GENMAB A/S 07-May-2025 16:50:36 PM 1 1370.00 TQEX
GENMAB A/S 07-May-2025 16:50:36 PM 17 1369.00 CEUX
GENMAB A/S 07-May-2025 16:50:41 PM 34 1370.00 XCSE
GENMAB A/S 07-May-2025 16:50:41 PM 34 1369.50 XCSE
GENMAB A/S 07-May-2025 16:50:41 PM 26 1369.00 XCSE
GENMAB A/S 07-May-2025 16:50:41 PM 36 1368.50 XCSE
GENMAB A/S 07-May-2025 16:50:41 PM 7 1368.50 XCSE
GENMAB A/S 07-May-2025 16:50:41 PM 43 1370.00 TQEX
GENMAB A/S 07-May-2025 16:50:41 PM 50 1370.00 CEUX
GENMAB A/S 07-May-2025 16:50:41 PM 44 1369.50 CEUX
GENMAB A/S 07-May-2025 16:50:41 PM 22 1369.00 CEUX
GENMAB A/S 07-May-2025 16:50:41 PM 31 1368.50 CEUX
GENMAB A/S 07-May-2025 16:51:03 PM 1 1368.50 CEUX
GENMAB A/S 07-May-2025 16:51:07 PM 26 1369.00 XCSE
GENMAB A/S 07-May-2025 16:51:15 PM 32 1369.00 CEUX
GENMAB A/S 07-May-2025 16:51:15 PM 26 1369.00 AQEU
GENMAB A/S 07-May-2025 16:51:19 PM 3 1369.00 CEUX
GENMAB A/S 07-May-2025 16:51:25 PM 25 1369.50 XCSE
GENMAB A/S 07-May-2025 16:51:28 PM 2 1369.50 XCSE
GENMAB A/S 07-May-2025 16:51:28 PM 36 1369.50 CEUX
GENMAB A/S 07-May-2025 16:51:33 PM 30 1369.00 XCSE
GENMAB A/S 07-May-2025 16:51:33 PM 4 1369.00 XCSE
GENMAB A/S 07-May-2025 16:51:33 PM 29 1369.00 TQEX
GENMAB A/S 07-May-2025 16:51:33 PM 31 1369.00 CEUX
GENMAB A/S 07-May-2025 16:51:33 PM 2 1369.00 CEUX
GENMAB A/S 07-May-2025 16:51:34 PM 22 1368.50 XCSE
GENMAB A/S 07-May-2025 16:52:00 PM 18 1370.00 XCSE
GENMAB A/S 07-May-2025 16:52:03 PM 9 1370.00 XCSE
GENMAB A/S 07-May-2025 16:52:03 PM 11 1370.00 CEUX
GENMAB A/S 07-May-2025 16:52:03 PM 18 1370.00 CEUX
GENMAB A/S 07-May-2025 16:52:04 PM 14 1370.00 XCSE
GENMAB A/S 07-May-2025 16:52:05 PM 17 1370.00 XCSE
GENMAB A/S 07-May-2025 16:52:06 PM 36 1370.00 CEUX
GENMAB A/S 07-May-2025 16:52:06 PM 7 1370.00 CEUX
GENMAB A/S 07-May-2025 16:52:07 PM 12 1370.00 XCSE
GENMAB A/S 07-May-2025 16:52:09 PM 32 1370.00 CEUX
76




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:52:10 PM 37 1369.50 XCSE
GENMAB A/S 07-May-2025 16:52:13 PM 28 1369.00 XCSE
GENMAB A/S 07-May-2025 16:52:13 PM 22 1369.00 CEUX
GENMAB A/S 07-May-2025 16:52:17 PM 35 1369.00 AQEU
GENMAB A/S 07-May-2025 16:52:20 PM 12 1369.00 CEUX
GENMAB A/S 07-May-2025 16:52:22 PM 28 1368.50 XCSE
GENMAB A/S 07-May-2025 16:52:22 PM 34 1368.50 TQEX
GENMAB A/S 07-May-2025 16:52:22 PM 26 1368.50 CEUX
GENMAB A/S 07-May-2025 16:52:30 PM 18 1368.50 CEUX
GENMAB A/S 07-May-2025 16:52:30 PM 1 1368.50 CEUX
GENMAB A/S 07-May-2025 16:52:30 PM 2 1368.50 CEUX
GENMAB A/S 07-May-2025 16:52:30 PM 10 1368.50 CEUX
GENMAB A/S 07-May-2025 16:52:32 PM 32 1368.50 XCSE
GENMAB A/S 07-May-2025 16:52:40 PM 9 1369.00 CEUX
GENMAB A/S 07-May-2025 16:52:47 PM 10 1368.00 XCSE
GENMAB A/S 07-May-2025 16:52:47 PM 10 1368.50 CEUX
GENMAB A/S 07-May-2025 16:52:47 PM 10 1368.50 CEUX
GENMAB A/S 07-May-2025 16:52:47 PM 10 1368.50 CEUX
GENMAB A/S 07-May-2025 16:52:56 PM 23 1368.00 XCSE
GENMAB A/S 07-May-2025 16:53:17 PM 36 1369.00 CEUX
GENMAB A/S 07-May-2025 16:53:24 PM 28 1368.00 XCSE
GENMAB A/S 07-May-2025 16:53:34 PM 36 1368.50 XCSE
GENMAB A/S 07-May-2025 16:53:34 PM 12 1368.50 XCSE
GENMAB A/S 07-May-2025 16:53:34 PM 3 1368.50 TQEX
GENMAB A/S 07-May-2025 16:53:34 PM 4 1368.50 TQEX
GENMAB A/S 07-May-2025 16:53:34 PM 20 1368.50 TQEX
GENMAB A/S 07-May-2025 16:53:34 PM 2 1368.50 TQEX
GENMAB A/S 07-May-2025 16:53:34 PM 1 1368.50 TQEX
GENMAB A/S 07-May-2025 16:53:34 PM 7 1368.50 TQEX
GENMAB A/S 07-May-2025 16:53:34 PM 2 1369.00 CEUX
GENMAB A/S 07-May-2025 16:53:34 PM 59 1369.00 CEUX
GENMAB A/S 07-May-2025 16:53:34 PM 1 1369.00 CEUX
GENMAB A/S 07-May-2025 16:53:34 PM 29 1368.50 CEUX
GENMAB A/S 07-May-2025 16:53:34 PM 10 1368.50 CEUX
GENMAB A/S 07-May-2025 16:53:34 PM 14 1368.50 CEUX
GENMAB A/S 07-May-2025 16:53:34 PM 2 1368.50 CEUX
GENMAB A/S 07-May-2025 16:53:35 PM 14 1368.50 XCSE
GENMAB A/S 07-May-2025 16:53:35 PM 26 1368.50 CEUX
GENMAB A/S 07-May-2025 16:53:36 PM 2 1368.50 XCSE
GENMAB A/S 07-May-2025 16:53:36 PM 12 1368.50 XCSE
GENMAB A/S 07-May-2025 16:53:39 PM 26 1368.50 XCSE
GENMAB A/S 07-May-2025 16:53:47 PM 28 1368.50 XCSE
77




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 07-May-2025 16:53:49 PM 9 1369.00 CEUX
GENMAB A/S 07-May-2025 16:53:49 PM 34 1368.50 AQEU
GENMAB A/S 07-May-2025 16:53:55 PM 2 1368.00 XCSE
GENMAB A/S 07-May-2025 16:53:57 PM 36 1369.00 CEUX
GENMAB A/S 07-May-2025 16:53:57 PM 6 1369.00 CEUX
GENMAB A/S 07-May-2025 16:53:57 PM 7 1369.00 CEUX
GENMAB A/S 07-May-2025 16:53:57 PM 6 1369.00 CEUX
GENMAB A/S 07-May-2025 16:54:03 PM 34 1368.00 CEUX
GENMAB A/S 07-May-2025 16:54:05 PM 17 1367.50 XCSE
GENMAB A/S 07-May-2025 16:54:05 PM 36 1368.00 XCSE
GENMAB A/S 07-May-2025 16:54:05 PM 17 1368.00 XCSE
GENMAB A/S 07-May-2025 16:54:05 PM 1 1367.50 XCSE
GENMAB A/S 07-May-2025 16:54:07 PM 10 1367.50 XCSE
GENMAB A/S 07-May-2025 16:54:17 PM 3 1367.50 XCSE
GENMAB A/S 07-May-2025 16:54:21 PM 38 1367.50 XCSE
GENMAB A/S 07-May-2025 16:54:25 PM 15 1367.50 XCSE
GENMAB A/S 07-May-2025 16:54:26 PM 16 1367.50 CEUX
GENMAB A/S 08-May-2025 09:36:29 AM 37 1334.50 XCSE
GENMAB A/S 08-May-2025 09:36:29 AM 42 1334.50 XCSE
GENMAB A/S 08-May-2025 09:36:29 AM 80 1334.00 XCSE
GENMAB A/S 08-May-2025 09:36:29 AM 78 1333.50 XCSE
GENMAB A/S 08-May-2025 09:41:23 AM 50 1338.00 XCSE
GENMAB A/S 08-May-2025 09:41:40 AM 29 1335.50 XCSE
GENMAB A/S 08-May-2025 09:43:09 AM 2 1338.00 XCSE
GENMAB A/S 08-May-2025 09:43:09 AM 40 1338.00 XCSE
GENMAB A/S 08-May-2025 09:43:34 AM 29 1338.00 XCSE
GENMAB A/S 08-May-2025 09:45:59 AM 11 1337.00 XCSE
GENMAB A/S 08-May-2025 09:45:59 AM 17 1337.00 XCSE
GENMAB A/S 08-May-2025 09:47:04 AM 29 1338.00 XCSE
GENMAB A/S 08-May-2025 09:47:04 AM 14 1338.00 XCSE
GENMAB A/S 08-May-2025 09:50:02 AM 38 1339.00 XCSE
GENMAB A/S 08-May-2025 09:53:19 AM 7 1338.00 XCSE
GENMAB A/S 08-May-2025 09:53:19 AM 40 1338.00 XCSE
GENMAB A/S 08-May-2025 09:53:20 AM 30 1337.50 XCSE
GENMAB A/S 08-May-2025 09:54:20 AM 24 1337.00 XCSE
GENMAB A/S 08-May-2025 09:55:44 AM 27 1338.00 XCSE
GENMAB A/S 08-May-2025 09:55:44 AM 27 1337.50 XCSE
GENMAB A/S 08-May-2025 09:56:15 AM 12 1337.00 XCSE
GENMAB A/S 08-May-2025 09:56:52 AM 10 1337.50 XCSE
GENMAB A/S 08-May-2025 09:57:02 AM 26 1338.00 XCSE
GENMAB A/S 08-May-2025 09:58:39 AM 36 1339.00 XCSE
GENMAB A/S 08-May-2025 09:59:00 AM 35 1339.00 XCSE
78




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 09:59:19 AM 37 1338.50 XCSE
GENMAB A/S 08-May-2025 09:59:33 AM 35 1341.00 XCSE
GENMAB A/S 08-May-2025 10:00:00 AM 29 1340.50 XCSE
GENMAB A/S 08-May-2025 10:00:00 AM 36 1340.00 XCSE
GENMAB A/S 08-May-2025 10:00:00 AM 27 1339.50 XCSE
GENMAB A/S 08-May-2025 10:00:00 AM 2 1338.50 XCSE
GENMAB A/S 08-May-2025 10:00:00 AM 18 1338.50 XCSE
GENMAB A/S 08-May-2025 10:00:00 AM 19 1338.50 XCSE
GENMAB A/S 08-May-2025 10:00:00 AM 3 1338.50 XCSE
GENMAB A/S 08-May-2025 10:00:00 AM 48 1337.00 XCSE
GENMAB A/S 08-May-2025 10:00:40 AM 42 1340.00 XCSE
GENMAB A/S 08-May-2025 10:00:41 AM 26 1339.50 XCSE
GENMAB A/S 08-May-2025 10:00:42 AM 24 1338.50 XCSE
GENMAB A/S 08-May-2025 10:00:42 AM 2 1338.50 XCSE
GENMAB A/S 08-May-2025 10:01:43 AM 9 1337.50 XCSE
GENMAB A/S 08-May-2025 10:01:43 AM 17 1337.50 XCSE
GENMAB A/S 08-May-2025 10:04:08 AM 27 1338.50 XCSE
GENMAB A/S 08-May-2025 10:04:08 AM 32 1338.00 XCSE
GENMAB A/S 08-May-2025 10:04:08 AM 25 1337.50 XCSE
GENMAB A/S 08-May-2025 10:04:08 AM 1 1337.50 XCSE
GENMAB A/S 08-May-2025 10:05:10 AM 29 1339.50 XCSE
GENMAB A/S 08-May-2025 10:05:46 AM 32 1338.50 XCSE
GENMAB A/S 08-May-2025 10:06:29 AM 27 1338.50 XCSE
GENMAB A/S 08-May-2025 10:08:29 AM 26 1338.50 XCSE
GENMAB A/S 08-May-2025 10:08:29 AM 30 1338.00 XCSE
GENMAB A/S 08-May-2025 10:08:29 AM 27 1337.50 XCSE
GENMAB A/S 08-May-2025 10:09:56 AM 29 1336.50 XCSE
GENMAB A/S 08-May-2025 10:12:02 AM 8 1336.00 XCSE
GENMAB A/S 08-May-2025 10:12:02 AM 21 1336.00 XCSE
GENMAB A/S 08-May-2025 10:12:07 AM 29 1335.50 XCSE
GENMAB A/S 08-May-2025 10:13:46 AM 11 1335.50 XCSE
GENMAB A/S 08-May-2025 10:13:46 AM 29 1335.50 XCSE
GENMAB A/S 08-May-2025 10:15:54 AM 45 1336.50 XCSE
GENMAB A/S 08-May-2025 10:15:54 AM 12 1336.00 XCSE
GENMAB A/S 08-May-2025 10:15:54 AM 36 1336.00 XCSE
GENMAB A/S 08-May-2025 10:19:38 AM 1 1338.50 XCSE
GENMAB A/S 08-May-2025 10:19:38 AM 49 1338.50 XCSE
GENMAB A/S 08-May-2025 10:19:38 AM 12 1338.50 XCSE
GENMAB A/S 08-May-2025 10:19:38 AM 66 1338.00 XCSE
GENMAB A/S 08-May-2025 10:22:10 AM 26 1339.00 XCSE
GENMAB A/S 08-May-2025 10:22:15 AM 33 1338.50 XCSE
GENMAB A/S 08-May-2025 10:22:15 AM 1 1338.00 XCSE
79




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 10:22:15 AM 1 1338.00 XCSE
GENMAB A/S 08-May-2025 10:22:15 AM 8 1338.00 XCSE
GENMAB A/S 08-May-2025 10:22:15 AM 22 1338.00 XCSE
GENMAB A/S 08-May-2025 10:22:19 AM 10 1337.50 XCSE
GENMAB A/S 08-May-2025 10:22:19 AM 3 1337.50 XCSE
GENMAB A/S 08-May-2025 10:22:19 AM 9 1337.50 XCSE
GENMAB A/S 08-May-2025 10:22:19 AM 10 1337.50 XCSE
GENMAB A/S 08-May-2025 10:24:46 AM 37 1338.50 XCSE
GENMAB A/S 08-May-2025 10:27:58 AM 58 1338.50 XCSE
GENMAB A/S 08-May-2025 10:28:26 AM 45 1339.50 XCSE
GENMAB A/S 08-May-2025 10:30:11 AM 50 1338.50 XCSE
GENMAB A/S 08-May-2025 10:30:11 AM 38 1338.00 XCSE
GENMAB A/S 08-May-2025 10:30:11 AM 1 1337.50 XCSE
GENMAB A/S 08-May-2025 10:30:11 AM 7 1337.50 XCSE
GENMAB A/S 08-May-2025 10:30:11 AM 19 1337.50 XCSE
GENMAB A/S 08-May-2025 10:30:11 AM 29 1337.00 XCSE
GENMAB A/S 08-May-2025 10:33:02 AM 26 1340.50 XCSE
GENMAB A/S 08-May-2025 10:33:05 AM 28 1340.00 XCSE
GENMAB A/S 08-May-2025 10:33:43 AM 3 1340.00 XCSE
GENMAB A/S 08-May-2025 10:33:43 AM 23 1340.00 XCSE
GENMAB A/S 08-May-2025 10:35:38 AM 27 1340.00 XCSE
GENMAB A/S 08-May-2025 10:35:38 AM 2 1339.50 XCSE
GENMAB A/S 08-May-2025 10:35:38 AM 31 1339.50 XCSE
GENMAB A/S 08-May-2025 10:36:52 AM 37 1340.00 XCSE
GENMAB A/S 08-May-2025 10:38:05 AM 32 1340.50 XCSE
GENMAB A/S 08-May-2025 10:38:06 AM 9 1340.00 XCSE
GENMAB A/S 08-May-2025 10:38:06 AM 24 1340.00 XCSE
GENMAB A/S 08-May-2025 10:40:03 AM 26 1339.00 XCSE
GENMAB A/S 08-May-2025 10:41:09 AM 30 1338.50 XCSE
GENMAB A/S 08-May-2025 10:41:53 AM 18 1338.00 XCSE
GENMAB A/S 08-May-2025 10:41:53 AM 10 1338.00 XCSE
GENMAB A/S 08-May-2025 10:42:00 AM 27 1337.50 XCSE
GENMAB A/S 08-May-2025 10:44:39 AM 16 1336.50 XCSE
GENMAB A/S 08-May-2025 10:44:39 AM 10 1336.50 XCSE
GENMAB A/S 08-May-2025 10:44:39 AM 31 1336.50 XCSE
GENMAB A/S 08-May-2025 10:45:41 AM 25 1334.50 XCSE
GENMAB A/S 08-May-2025 10:45:41 AM 3 1334.50 XCSE
GENMAB A/S 08-May-2025 10:45:49 AM 27 1334.00 XCSE
GENMAB A/S 08-May-2025 10:50:54 AM 27 1335.50 XCSE
GENMAB A/S 08-May-2025 10:50:54 AM 27 1335.00 XCSE
GENMAB A/S 08-May-2025 10:50:54 AM 26 1334.50 XCSE
GENMAB A/S 08-May-2025 10:51:19 AM 35 1335.00 XCSE
80




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 10:51:19 AM 36 1336.00 XCSE
GENMAB A/S 08-May-2025 10:51:19 AM 38 1335.50 XCSE
GENMAB A/S 08-May-2025 11:00:25 AM 81 1337.50 XCSE
GENMAB A/S 08-May-2025 11:05:51 AM 81 1343.00 XCSE
GENMAB A/S 08-May-2025 11:06:38 AM 77 1342.50 XCSE
GENMAB A/S 08-May-2025 11:06:38 AM 78 1342.00 XCSE
GENMAB A/S 08-May-2025 11:06:38 AM 14 1341.50 XCSE
GENMAB A/S 08-May-2025 11:06:38 AM 65 1341.50 XCSE
GENMAB A/S 08-May-2025 11:06:41 AM 55 1341.00 XCSE
GENMAB A/S 08-May-2025 11:13:41 AM 72 1342.50 XCSE
GENMAB A/S 08-May-2025 11:13:41 AM 63 1342.00 XCSE
GENMAB A/S 08-May-2025 11:13:41 AM 52 1341.50 XCSE
GENMAB A/S 08-May-2025 11:18:12 AM 32 1341.00 XCSE
GENMAB A/S 08-May-2025 11:18:12 AM 33 1340.50 XCSE
GENMAB A/S 08-May-2025 11:18:24 AM 31 1340.00 XCSE
GENMAB A/S 08-May-2025 11:20:58 AM 30 1340.00 XCSE
GENMAB A/S 08-May-2025 11:20:58 AM 31 1339.50 XCSE
GENMAB A/S 08-May-2025 11:20:58 AM 30 1339.00 XCSE
GENMAB A/S 08-May-2025 11:20:58 AM 37 1338.50 XCSE
GENMAB A/S 08-May-2025 11:23:42 AM 22 1336.50 XCSE
GENMAB A/S 08-May-2025 11:23:42 AM 12 1336.50 XCSE
GENMAB A/S 08-May-2025 11:24:11 AM 35 1336.00 XCSE
GENMAB A/S 08-May-2025 11:28:35 AM 36 1336.50 XCSE
GENMAB A/S 08-May-2025 11:28:55 AM 1 1336.00 XCSE
GENMAB A/S 08-May-2025 11:28:55 AM 38 1336.00 XCSE
GENMAB A/S 08-May-2025 11:29:56 AM 11 1337.00 XCSE
GENMAB A/S 08-May-2025 11:29:56 AM 20 1337.00 XCSE
GENMAB A/S 08-May-2025 11:30:52 AM 26 1336.50 XCSE
GENMAB A/S 08-May-2025 11:33:54 AM 26 1336.00 XCSE
GENMAB A/S 08-May-2025 11:35:30 AM 52 1337.50 XCSE
GENMAB A/S 08-May-2025 11:38:31 AM 62 1339.00 XCSE
GENMAB A/S 08-May-2025 11:38:46 AM 70 1338.50 XCSE
GENMAB A/S 08-May-2025 11:44:38 AM 32 1339.00 XCSE
GENMAB A/S 08-May-2025 11:44:38 AM 52 1338.50 XCSE
GENMAB A/S 08-May-2025 11:44:48 AM 44 1338.00 XCSE
GENMAB A/S 08-May-2025 11:44:48 AM 21 1338.00 XCSE
GENMAB A/S 08-May-2025 11:46:50 AM 31 1335.50 XCSE
GENMAB A/S 08-May-2025 11:46:51 AM 34 1335.00 XCSE
GENMAB A/S 08-May-2025 11:49:39 AM 28 1334.00 XCSE
GENMAB A/S 08-May-2025 11:49:55 AM 26 1333.50 XCSE
GENMAB A/S 08-May-2025 11:50:14 AM 26 1332.00 XCSE
GENMAB A/S 08-May-2025 11:50:14 AM 3 1332.00 XCSE
81




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 11:50:18 AM 26 1333.50 XCSE
GENMAB A/S 08-May-2025 11:51:53 AM 27 1331.00 XCSE
GENMAB A/S 08-May-2025 11:57:58 AM 44 1334.00 XCSE
GENMAB A/S 08-May-2025 11:57:58 AM 30 1333.50 XCSE
GENMAB A/S 08-May-2025 11:57:58 AM 16 1333.50 XCSE
GENMAB A/S 08-May-2025 11:59:37 AM 14 1335.00 XCSE
GENMAB A/S 08-May-2025 11:59:40 AM 28 1335.50 XCSE
GENMAB A/S 08-May-2025 12:02:09 PM 21 1335.00 XCSE
GENMAB A/S 08-May-2025 12:02:32 PM 28 1334.50 XCSE
GENMAB A/S 08-May-2025 12:05:22 PM 29 1335.00 XCSE
GENMAB A/S 08-May-2025 12:05:24 PM 20 1334.50 XCSE
GENMAB A/S 08-May-2025 12:07:04 PM 9 1334.50 XCSE
GENMAB A/S 08-May-2025 12:07:12 PM 28 1334.00 XCSE
GENMAB A/S 08-May-2025 12:07:12 PM 39 1335.00 XCSE
GENMAB A/S 08-May-2025 12:09:49 PM 26 1334.50 XCSE
GENMAB A/S 08-May-2025 12:12:49 PM 26 1333.50 XCSE
GENMAB A/S 08-May-2025 12:13:11 PM 1 1333.00 XCSE
GENMAB A/S 08-May-2025 12:13:11 PM 12 1333.00 XCSE
GENMAB A/S 08-May-2025 12:13:11 PM 28 1333.00 XCSE
GENMAB A/S 08-May-2025 12:17:26 PM 28 1334.00 XCSE
GENMAB A/S 08-May-2025 12:18:10 PM 26 1333.50 XCSE
GENMAB A/S 08-May-2025 12:21:05 PM 44 1332.50 XCSE
GENMAB A/S 08-May-2025 12:31:05 PM 31 1331.00 XCSE
GENMAB A/S 08-May-2025 12:31:28 PM 28 1330.50 XCSE
GENMAB A/S 08-May-2025 12:33:03 PM 26 1329.50 XCSE
GENMAB A/S 08-May-2025 12:35:57 PM 36 1330.50 XCSE
GENMAB A/S 08-May-2025 12:39:26 PM 27 1331.50 XCSE
GENMAB A/S 08-May-2025 12:45:50 PM 51 1332.00 XCSE
GENMAB A/S 08-May-2025 12:51:22 PM 42 1332.00 XCSE
GENMAB A/S 08-May-2025 12:51:30 PM 22 1331.50 XCSE
GENMAB A/S 08-May-2025 12:51:30 PM 29 1331.50 XCSE
GENMAB A/S 08-May-2025 12:52:11 PM 43 1332.00 XCSE
GENMAB A/S 08-May-2025 12:52:11 PM 7 1332.00 XCSE
GENMAB A/S 08-May-2025 12:54:16 PM 3 1331.50 XCSE
GENMAB A/S 08-May-2025 12:59:05 PM 61 1334.50 XCSE
GENMAB A/S 08-May-2025 13:02:06 PM 23 1334.00 XCSE
GENMAB A/S 08-May-2025 13:02:06 PM 31 1334.00 XCSE
GENMAB A/S 08-May-2025 13:02:11 PM 56 1333.50 XCSE
GENMAB A/S 08-May-2025 13:04:03 PM 36 1335.50 XCSE
GENMAB A/S 08-May-2025 13:04:03 PM 32 1335.50 XCSE
GENMAB A/S 08-May-2025 13:04:03 PM 15 1335.50 XCSE
GENMAB A/S 08-May-2025 13:04:03 PM 14 1335.50 XCSE
82




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 13:04:38 PM 9 1335.50 XCSE
GENMAB A/S 08-May-2025 13:04:38 PM 65 1335.00 XCSE
GENMAB A/S 08-May-2025 13:04:38 PM 44 1334.50 XCSE
GENMAB A/S 08-May-2025 13:04:38 PM 27 1334.00 XCSE
GENMAB A/S 08-May-2025 13:05:00 PM 12 1334.00 XCSE
GENMAB A/S 08-May-2025 13:05:00 PM 23 1334.00 XCSE
GENMAB A/S 08-May-2025 13:05:29 PM 28 1330.50 XCSE
GENMAB A/S 08-May-2025 13:05:29 PM 29 1330.00 XCSE
GENMAB A/S 08-May-2025 13:05:29 PM 36 1330.50 XCSE
GENMAB A/S 08-May-2025 13:07:49 PM 77 1332.00 XCSE
GENMAB A/S 08-May-2025 13:07:49 PM 76 1331.50 XCSE
GENMAB A/S 08-May-2025 13:10:02 PM 81 1331.50 XCSE
GENMAB A/S 08-May-2025 13:10:02 PM 4 1331.00 XCSE
GENMAB A/S 08-May-2025 13:10:02 PM 2 1331.00 XCSE
GENMAB A/S 08-May-2025 13:10:02 PM 71 1331.00 XCSE
GENMAB A/S 08-May-2025 13:14:23 PM 79 1336.00 XCSE
GENMAB A/S 08-May-2025 13:15:03 PM 41 1336.00 XCSE
GENMAB A/S 08-May-2025 13:15:28 PM 12 1335.50 XCSE
GENMAB A/S 08-May-2025 13:15:28 PM 1 1335.50 XCSE
GENMAB A/S 08-May-2025 13:15:28 PM 67 1335.50 XCSE
GENMAB A/S 08-May-2025 13:20:34 PM 10 1337.50 XCSE
GENMAB A/S 08-May-2025 13:20:34 PM 1 1337.50 XCSE
GENMAB A/S 08-May-2025 13:20:34 PM 45 1337.50 XCSE
GENMAB A/S 08-May-2025 13:25:01 PM 54 1337.00 XCSE
GENMAB A/S 08-May-2025 13:25:01 PM 23 1337.50 XCSE
GENMAB A/S 08-May-2025 13:25:01 PM 35 1337.50 XCSE
GENMAB A/S 08-May-2025 13:25:07 PM 14 1337.50 XCSE
GENMAB A/S 08-May-2025 13:25:30 PM 65 1337.00 XCSE
GENMAB A/S 08-May-2025 13:25:30 PM 6 1336.50 XCSE
GENMAB A/S 08-May-2025 13:25:30 PM 44 1336.50 XCSE
GENMAB A/S 08-May-2025 13:30:01 PM 26 1337.00 XCSE
GENMAB A/S 08-May-2025 13:30:01 PM 27 1336.50 XCSE
GENMAB A/S 08-May-2025 13:33:03 PM 27 1337.00 XCSE
GENMAB A/S 08-May-2025 13:33:03 PM 4 1336.50 XCSE
GENMAB A/S 08-May-2025 13:33:11 PM 22 1336.50 XCSE
GENMAB A/S 08-May-2025 13:34:59 PM 27 1336.50 XCSE
GENMAB A/S 08-May-2025 13:38:24 PM 33 1336.00 XCSE
GENMAB A/S 08-May-2025 13:42:38 PM 33 1335.50 XCSE
GENMAB A/S 08-May-2025 13:45:12 PM 15 1338.50 XCSE
GENMAB A/S 08-May-2025 13:45:15 PM 47 1338.50 XCSE
GENMAB A/S 08-May-2025 13:53:06 PM 81 1341.50 XCSE
GENMAB A/S 08-May-2025 13:54:12 PM 18 1346.00 XCSE
83




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 13:54:12 PM 59 1346.00 XCSE
GENMAB A/S 08-May-2025 13:54:12 PM 80 1345.50 XCSE
GENMAB A/S 08-May-2025 13:54:12 PM 80 1345.00 XCSE
GENMAB A/S 08-May-2025 13:54:13 PM 33 1345.50 XCSE
GENMAB A/S 08-May-2025 13:54:13 PM 26 1345.00 XCSE
GENMAB A/S 08-May-2025 13:55:40 PM 29 1345.50 XCSE
GENMAB A/S 08-May-2025 13:56:39 PM 32 1346.50 XCSE
GENMAB A/S 08-May-2025 13:58:13 PM 32 1345.50 XCSE
GENMAB A/S 08-May-2025 13:58:13 PM 3 1345.00 XCSE
GENMAB A/S 08-May-2025 13:58:13 PM 26 1345.00 XCSE
GENMAB A/S 08-May-2025 13:59:53 PM 20 1344.00 XCSE
GENMAB A/S 08-May-2025 13:59:53 PM 10 1344.00 XCSE
GENMAB A/S 08-May-2025 14:02:21 PM 29 1344.50 XCSE
GENMAB A/S 08-May-2025 14:03:17 PM 26 1344.00 XCSE
GENMAB A/S 08-May-2025 14:05:34 PM 27 1343.50 XCSE
GENMAB A/S 08-May-2025 14:06:28 PM 26 1343.00 XCSE
GENMAB A/S 08-May-2025 14:06:30 PM 6 1342.50 XCSE
GENMAB A/S 08-May-2025 14:06:30 PM 20 1342.50 XCSE
GENMAB A/S 08-May-2025 14:06:41 PM 31 1342.50 XCSE
GENMAB A/S 08-May-2025 14:06:42 PM 12 1342.00 XCSE
GENMAB A/S 08-May-2025 14:06:42 PM 30 1342.00 XCSE
GENMAB A/S 08-May-2025 14:10:11 PM 28 1341.50 XCSE
GENMAB A/S 08-May-2025 14:14:08 PM 15 1342.50 XCSE
GENMAB A/S 08-May-2025 14:14:08 PM 32 1342.50 XCSE
GENMAB A/S 08-May-2025 14:14:08 PM 52 1342.00 XCSE
GENMAB A/S 08-May-2025 14:14:51 PM 45 1341.50 XCSE
GENMAB A/S 08-May-2025 14:15:54 PM 63 1341.00 XCSE
GENMAB A/S 08-May-2025 14:16:18 PM 15 1340.50 XCSE
GENMAB A/S 08-May-2025 14:16:18 PM 28 1340.50 XCSE
GENMAB A/S 08-May-2025 14:16:29 PM 15 1340.00 XCSE
GENMAB A/S 08-May-2025 14:16:29 PM 14 1340.00 XCSE
GENMAB A/S 08-May-2025 14:16:40 PM 15 1339.50 XCSE
GENMAB A/S 08-May-2025 14:17:14 PM 15 1340.00 XCSE
GENMAB A/S 08-May-2025 14:18:48 PM 4 1337.50 XCSE
GENMAB A/S 08-May-2025 14:19:00 PM 11 1337.50 XCSE
GENMAB A/S 08-May-2025 14:19:00 PM 22 1337.50 XCSE
GENMAB A/S 08-May-2025 14:19:22 PM 37 1337.00 XCSE
GENMAB A/S 08-May-2025 14:22:13 PM 16 1338.00 XCSE
GENMAB A/S 08-May-2025 14:22:15 PM 18 1338.00 XCSE
GENMAB A/S 08-May-2025 14:22:25 PM 16 1337.50 XCSE
GENMAB A/S 08-May-2025 14:22:25 PM 19 1337.50 XCSE
GENMAB A/S 08-May-2025 14:22:37 PM 1 1337.50 XCSE
84




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 14:22:51 PM 15 1337.00 XCSE
GENMAB A/S 08-May-2025 14:22:51 PM 20 1337.00 XCSE
GENMAB A/S 08-May-2025 14:24:26 PM 15 1338.00 XCSE
GENMAB A/S 08-May-2025 14:24:26 PM 11 1338.00 XCSE
GENMAB A/S 08-May-2025 14:24:37 PM 15 1337.50 XCSE
GENMAB A/S 08-May-2025 14:25:48 PM 7 1338.50 XCSE
GENMAB A/S 08-May-2025 14:26:45 PM 15 1338.50 XCSE
GENMAB A/S 08-May-2025 14:26:56 PM 11 1338.50 XCSE
GENMAB A/S 08-May-2025 14:29:39 PM 57 1339.00 XCSE
GENMAB A/S 08-May-2025 14:30:30 PM 55 1338.50 XCSE
GENMAB A/S 08-May-2025 14:31:07 PM 15 1338.00 XCSE
GENMAB A/S 08-May-2025 14:31:07 PM 12 1338.00 XCSE
GENMAB A/S 08-May-2025 14:31:58 PM 16 1337.50 XCSE
GENMAB A/S 08-May-2025 14:31:58 PM 21 1337.50 XCSE
GENMAB A/S 08-May-2025 14:32:12 PM 16 1337.00 XCSE
GENMAB A/S 08-May-2025 14:32:12 PM 14 1337.00 XCSE
GENMAB A/S 08-May-2025 14:33:20 PM 15 1336.50 XCSE
GENMAB A/S 08-May-2025 14:33:33 PM 15 1336.50 XCSE
GENMAB A/S 08-May-2025 14:34:26 PM 3 1336.50 XCSE
GENMAB A/S 08-May-2025 14:35:29 PM 14 1337.00 XCSE
GENMAB A/S 08-May-2025 14:35:38 PM 22 1337.00 XCSE
GENMAB A/S 08-May-2025 14:35:55 PM 15 1336.50 XCSE
GENMAB A/S 08-May-2025 14:35:55 PM 11 1336.50 XCSE
GENMAB A/S 08-May-2025 14:36:08 PM 15 1336.00 XCSE
GENMAB A/S 08-May-2025 14:37:10 PM 15 1336.50 XCSE
GENMAB A/S 08-May-2025 14:37:10 PM 13 1336.50 XCSE
GENMAB A/S 08-May-2025 14:37:24 PM 17 1336.00 XCSE
GENMAB A/S 08-May-2025 14:37:26 PM 26 1335.50 XCSE
GENMAB A/S 08-May-2025 14:39:37 PM 38 1332.00 XCSE
GENMAB A/S 08-May-2025 14:40:01 PM 34 1331.50 XCSE
GENMAB A/S 08-May-2025 14:40:06 PM 15 1331.00 XCSE
GENMAB A/S 08-May-2025 14:40:06 PM 12 1331.00 XCSE
GENMAB A/S 08-May-2025 14:42:51 PM 30 1332.50 XCSE
GENMAB A/S 08-May-2025 14:42:53 PM 26 1332.00 XCSE
GENMAB A/S 08-May-2025 14:42:56 PM 29 1331.50 XCSE
GENMAB A/S 08-May-2025 14:42:59 PM 36 1331.00 XCSE
GENMAB A/S 08-May-2025 14:44:33 PM 38 1329.50 XCSE
GENMAB A/S 08-May-2025 14:45:18 PM 32 1329.50 XCSE
GENMAB A/S 08-May-2025 14:46:18 PM 29 1331.50 XCSE
GENMAB A/S 08-May-2025 14:49:57 PM 53 1331.50 XCSE
GENMAB A/S 08-May-2025 14:49:57 PM 43 1331.00 XCSE
GENMAB A/S 08-May-2025 14:49:57 PM 29 1330.50 XCSE
85




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 14:51:46 PM 26 1333.00 XCSE
GENMAB A/S 08-May-2025 14:53:00 PM 26 1332.50 XCSE
GENMAB A/S 08-May-2025 14:53:00 PM 28 1332.00 XCSE
GENMAB A/S 08-May-2025 14:54:05 PM 4 1333.00 XCSE
GENMAB A/S 08-May-2025 14:54:06 PM 22 1333.00 XCSE
GENMAB A/S 08-May-2025 14:54:18 PM 32 1333.00 XCSE
GENMAB A/S 08-May-2025 14:54:18 PM 27 1332.50 XCSE
GENMAB A/S 08-May-2025 14:58:39 PM 27 1330.50 XCSE
GENMAB A/S 08-May-2025 15:00:02 PM 31 1330.00 XCSE
GENMAB A/S 08-May-2025 15:00:05 PM 26 1329.50 XCSE
GENMAB A/S 08-May-2025 15:00:09 PM 42 1329.00 XCSE
GENMAB A/S 08-May-2025 15:00:21 PM 45 1328.50 XCSE
GENMAB A/S 08-May-2025 15:01:35 PM 27 1328.00 XCSE
GENMAB A/S 08-May-2025 15:01:35 PM 12 1327.50 XCSE
GENMAB A/S 08-May-2025 15:02:03 PM 38 1329.00 XCSE
GENMAB A/S 08-May-2025 15:04:49 PM 42 1327.00 XCSE
GENMAB A/S 08-May-2025 15:05:01 PM 8 1326.50 XCSE
GENMAB A/S 08-May-2025 15:05:01 PM 25 1326.50 XCSE
GENMAB A/S 08-May-2025 15:05:16 PM 26 1325.00 XCSE
GENMAB A/S 08-May-2025 15:06:23 PM 1 1322.00 XCSE
GENMAB A/S 08-May-2025 15:06:23 PM 25 1322.00 XCSE
GENMAB A/S 08-May-2025 15:06:23 PM 31 1321.50 XCSE
GENMAB A/S 08-May-2025 15:06:57 PM 6 1320.00 XCSE
GENMAB A/S 08-May-2025 15:06:57 PM 21 1320.00 XCSE
GENMAB A/S 08-May-2025 15:07:59 PM 26 1318.50 XCSE
GENMAB A/S 08-May-2025 15:08:54 PM 15 1318.50 XCSE
GENMAB A/S 08-May-2025 15:09:22 PM 1 1321.50 XCSE
GENMAB A/S 08-May-2025 15:09:22 PM 26 1321.50 XCSE
GENMAB A/S 08-May-2025 15:11:14 PM 27 1316.00 XCSE
GENMAB A/S 08-May-2025 15:11:14 PM 1 1315.50 XCSE
GENMAB A/S 08-May-2025 15:11:16 PM 19 1315.50 XCSE
GENMAB A/S 08-May-2025 15:11:26 PM 10 1315.00 XCSE
GENMAB A/S 08-May-2025 15:11:26 PM 24 1315.00 XCSE
GENMAB A/S 08-May-2025 15:12:32 PM 33 1312.50 XCSE
GENMAB A/S 08-May-2025 15:13:12 PM 15 1312.00 XCSE
GENMAB A/S 08-May-2025 15:13:12 PM 15 1312.00 XCSE
GENMAB A/S 08-May-2025 15:14:24 PM 28 1316.00 XCSE
GENMAB A/S 08-May-2025 15:14:29 PM 30 1315.50 XCSE
GENMAB A/S 08-May-2025 15:16:19 PM 40 1318.00 XCSE
GENMAB A/S 08-May-2025 15:17:56 PM 15 1317.50 XCSE
GENMAB A/S 08-May-2025 15:17:56 PM 12 1317.50 XCSE
GENMAB A/S 08-May-2025 15:18:03 PM 29 1317.00 XCSE
86




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 15:18:32 PM 15 1316.50 XCSE
GENMAB A/S 08-May-2025 15:18:40 PM 17 1316.50 XCSE
GENMAB A/S 08-May-2025 15:18:41 PM 2 1316.50 XCSE
GENMAB A/S 08-May-2025 15:19:06 PM 35 1321.00 XCSE
GENMAB A/S 08-May-2025 15:19:06 PM 9 1320.50 XCSE
GENMAB A/S 08-May-2025 15:19:06 PM 1 1320.50 XCSE
GENMAB A/S 08-May-2025 15:19:06 PM 28 1320.50 XCSE
GENMAB A/S 08-May-2025 15:20:02 PM 27 1320.50 XCSE
GENMAB A/S 08-May-2025 15:21:04 PM 38 1320.00 XCSE
GENMAB A/S 08-May-2025 15:21:04 PM 26 1319.50 XCSE
GENMAB A/S 08-May-2025 15:21:04 PM 27 1319.00 XCSE
GENMAB A/S 08-May-2025 15:21:29 PM 26 1319.50 XCSE
GENMAB A/S 08-May-2025 15:22:18 PM 26 1319.00 XCSE
GENMAB A/S 08-May-2025 15:22:18 PM 1 1318.50 XCSE
GENMAB A/S 08-May-2025 15:22:18 PM 27 1318.50 XCSE
GENMAB A/S 08-May-2025 15:24:11 PM 16 1317.50 XCSE
GENMAB A/S 08-May-2025 15:24:13 PM 13 1317.50 XCSE
GENMAB A/S 08-May-2025 15:24:28 PM 15 1317.00 XCSE
GENMAB A/S 08-May-2025 15:24:31 PM 4 1317.00 XCSE
GENMAB A/S 08-May-2025 15:24:31 PM 7 1317.00 XCSE
GENMAB A/S 08-May-2025 15:24:47 PM 15 1316.50 XCSE
GENMAB A/S 08-May-2025 15:25:04 PM 14 1316.50 XCSE
GENMAB A/S 08-May-2025 15:25:23 PM 15 1316.00 XCSE
GENMAB A/S 08-May-2025 15:25:32 PM 16 1316.00 XCSE
GENMAB A/S 08-May-2025 15:25:50 PM 4 1316.00 XCSE
GENMAB A/S 08-May-2025 15:26:00 PM 18 1315.50 XCSE
GENMAB A/S 08-May-2025 15:27:08 PM 17 1317.50 XCSE
GENMAB A/S 08-May-2025 15:27:08 PM 20 1317.50 XCSE
GENMAB A/S 08-May-2025 15:27:08 PM 22 1317.50 XCSE
GENMAB A/S 08-May-2025 15:27:08 PM 3 1317.50 XCSE
GENMAB A/S 08-May-2025 15:27:40 PM 47 1318.00 XCSE
GENMAB A/S 08-May-2025 15:27:40 PM 8 1318.00 XCSE
GENMAB A/S 08-May-2025 15:27:50 PM 24 1317.50 XCSE
GENMAB A/S 08-May-2025 15:27:50 PM 13 1317.50 XCSE
GENMAB A/S 08-May-2025 15:27:50 PM 20 1317.50 XCSE
GENMAB A/S 08-May-2025 15:27:50 PM 7 1317.50 XCSE
GENMAB A/S 08-May-2025 15:28:00 PM 69 1317.00 XCSE
GENMAB A/S 08-May-2025 15:29:59 PM 44 1320.00 XCSE
GENMAB A/S 08-May-2025 15:30:00 PM 10 1320.50 XCSE
GENMAB A/S 08-May-2025 15:30:02 PM 18 1320.50 XCSE
GENMAB A/S 08-May-2025 15:30:06 PM 40 1320.50 XCSE
87




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 15:30:10 PM 32 1319.50 XCSE
GENMAB A/S 08-May-2025 15:30:10 PM 31 1319.00 XCSE
GENMAB A/S 08-May-2025 15:30:29 PM 26 1310.50 XCSE
GENMAB A/S 08-May-2025 15:30:39 PM 10 1309.00 XCSE
GENMAB A/S 08-May-2025 15:30:51 PM 29 1313.00 XCSE
GENMAB A/S 08-May-2025 15:30:51 PM 26 1312.50 XCSE
GENMAB A/S 08-May-2025 15:30:58 PM 26 1313.50 XCSE
GENMAB A/S 08-May-2025 15:31:17 PM 32 1315.50 XCSE
GENMAB A/S 08-May-2025 15:31:17 PM 28 1315.00 XCSE
GENMAB A/S 08-May-2025 15:31:17 PM 29 1314.50 XCSE
GENMAB A/S 08-May-2025 15:31:40 PM 32 1314.50 XCSE
GENMAB A/S 08-May-2025 15:31:40 PM 27 1314.00 XCSE
GENMAB A/S 08-May-2025 15:31:57 PM 11 1313.50 XCSE
GENMAB A/S 08-May-2025 15:31:57 PM 19 1313.50 XCSE
GENMAB A/S 08-May-2025 15:32:40 PM 39 1314.50 XCSE
GENMAB A/S 08-May-2025 15:32:40 PM 43 1314.00 XCSE
GENMAB A/S 08-May-2025 15:32:40 PM 7 1313.50 XCSE
GENMAB A/S 08-May-2025 15:32:40 PM 38 1313.50 XCSE
GENMAB A/S 08-May-2025 15:32:40 PM 27 1313.00 XCSE
GENMAB A/S 08-May-2025 15:33:11 PM 6 1315.50 XCSE
GENMAB A/S 08-May-2025 15:33:11 PM 24 1315.50 XCSE
GENMAB A/S 08-May-2025 15:33:11 PM 31 1315.00 XCSE
GENMAB A/S 08-May-2025 15:33:11 PM 26 1314.50 XCSE
GENMAB A/S 08-May-2025 15:33:32 PM 31 1316.50 XCSE
GENMAB A/S 08-May-2025 15:33:37 PM 30 1314.00 XCSE
GENMAB A/S 08-May-2025 15:34:03 PM 33 1314.00 XCSE
GENMAB A/S 08-May-2025 15:34:06 PM 2 1313.50 XCSE
GENMAB A/S 08-May-2025 15:34:06 PM 1 1313.50 XCSE
GENMAB A/S 08-May-2025 15:34:06 PM 28 1313.50 XCSE
GENMAB A/S 08-May-2025 15:34:06 PM 9 1313.00 XCSE
GENMAB A/S 08-May-2025 15:34:06 PM 18 1313.00 XCSE
GENMAB A/S 08-May-2025 15:34:26 PM 15 1310.00 XCSE
GENMAB A/S 08-May-2025 15:34:26 PM 12 1310.00 XCSE
GENMAB A/S 08-May-2025 15:35:00 PM 33 1310.50 XCSE
GENMAB A/S 08-May-2025 15:35:00 PM 4 1310.00 XCSE
GENMAB A/S 08-May-2025 15:35:00 PM 28 1310.00 XCSE
GENMAB A/S 08-May-2025 15:35:08 PM 34 1309.50 XCSE
GENMAB A/S 08-May-2025 15:35:08 PM 32 1309.00 XCSE
GENMAB A/S 08-May-2025 15:35:08 PM 1 1308.50 XCSE
GENMAB A/S 08-May-2025 15:35:08 PM 25 1308.50 XCSE
GENMAB A/S 08-May-2025 15:35:46 PM 12 1303.00 XCSE
GENMAB A/S 08-May-2025 15:35:46 PM 21 1303.00 XCSE
88




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 15:35:46 PM 8 1302.50 XCSE
GENMAB A/S 08-May-2025 15:36:29 PM 21 1309.00 XCSE
GENMAB A/S 08-May-2025 15:36:29 PM 14 1309.00 XCSE
GENMAB A/S 08-May-2025 15:37:11 PM 34 1310.00 XCSE
GENMAB A/S 08-May-2025 15:37:11 PM 32 1309.50 XCSE
GENMAB A/S 08-May-2025 15:37:11 PM 28 1309.00 XCSE
GENMAB A/S 08-May-2025 15:37:31 PM 27 1308.00 XCSE
GENMAB A/S 08-May-2025 15:37:52 PM 10 1308.50 XCSE
GENMAB A/S 08-May-2025 15:38:02 PM 33 1309.00 XCSE
GENMAB A/S 08-May-2025 15:38:34 PM 28 1303.50 XCSE
GENMAB A/S 08-May-2025 15:38:34 PM 27 1303.00 XCSE
GENMAB A/S 08-May-2025 15:38:55 PM 27 1301.00 XCSE
GENMAB A/S 08-May-2025 15:39:36 PM 14 1302.00 XCSE
GENMAB A/S 08-May-2025 15:39:36 PM 17 1302.00 XCSE
GENMAB A/S 08-May-2025 15:39:36 PM 26 1301.50 XCSE
GENMAB A/S 08-May-2025 15:39:58 PM 29 1301.00 XCSE
GENMAB A/S 08-May-2025 15:40:05 PM 31 1300.50 XCSE
GENMAB A/S 08-May-2025 15:40:33 PM 27 1301.50 XCSE
GENMAB A/S 08-May-2025 15:40:33 PM 32 1301.00 XCSE
GENMAB A/S 08-May-2025 15:41:31 PM 32 1301.00 XCSE
GENMAB A/S 08-May-2025 15:41:31 PM 1 1300.50 XCSE
GENMAB A/S 08-May-2025 15:41:31 PM 30 1300.50 XCSE
GENMAB A/S 08-May-2025 15:41:49 PM 34 1297.50 XCSE
GENMAB A/S 08-May-2025 15:41:49 PM 1 1297.00 XCSE
GENMAB A/S 08-May-2025 15:41:49 PM 34 1297.00 XCSE
GENMAB A/S 08-May-2025 15:42:22 PM 31 1297.00 XCSE
GENMAB A/S 08-May-2025 15:42:48 PM 18 1294.50 XCSE
GENMAB A/S 08-May-2025 15:42:58 PM 28 1293.00 XCSE
GENMAB A/S 08-May-2025 15:43:14 PM 35 1294.00 XCSE
GENMAB A/S 08-May-2025 15:43:43 PM 32 1292.50 XCSE
GENMAB A/S 08-May-2025 15:43:51 PM 10 1291.50 XCSE
GENMAB A/S 08-May-2025 15:44:14 PM 26 1290.00 XCSE
GENMAB A/S 08-May-2025 15:44:14 PM 20 1289.50 XCSE
GENMAB A/S 08-May-2025 15:44:50 PM 7 1288.50 XCSE
GENMAB A/S 08-May-2025 15:44:50 PM 1 1288.50 XCSE
GENMAB A/S 08-May-2025 15:44:52 PM 18 1288.50 XCSE
GENMAB A/S 08-May-2025 15:44:59 PM 27 1288.50 XCSE
GENMAB A/S 08-May-2025 15:45:03 PM 15 1288.00 XCSE
GENMAB A/S 08-May-2025 15:45:03 PM 8 1288.00 XCSE
GENMAB A/S 08-May-2025 15:45:03 PM 11 1288.00 XCSE
GENMAB A/S 08-May-2025 15:45:20 PM 29 1290.00 XCSE
GENMAB A/S 08-May-2025 15:45:20 PM 33 1289.50 XCSE
89




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 15:45:59 PM 29 1290.00 XCSE
GENMAB A/S 08-May-2025 15:46:22 PM 27 1290.50 XCSE
GENMAB A/S 08-May-2025 15:46:23 PM 4 1288.50 XCSE
GENMAB A/S 08-May-2025 15:46:23 PM 4 1288.50 XCSE
GENMAB A/S 08-May-2025 15:46:23 PM 6 1288.50 XCSE
GENMAB A/S 08-May-2025 15:46:23 PM 5 1288.50 XCSE
GENMAB A/S 08-May-2025 15:46:23 PM 2 1288.50 XCSE
GENMAB A/S 08-May-2025 15:46:40 PM 19 1286.00 XCSE
GENMAB A/S 08-May-2025 15:47:07 PM 27 1284.50 XCSE
GENMAB A/S 08-May-2025 15:47:15 PM 26 1285.00 XCSE
GENMAB A/S 08-May-2025 15:47:52 PM 38 1284.50 XCSE
GENMAB A/S 08-May-2025 15:47:52 PM 33 1284.00 XCSE
GENMAB A/S 08-May-2025 15:48:24 PM 35 1283.50 XCSE
GENMAB A/S 08-May-2025 15:49:14 PM 36 1283.50 XCSE
GENMAB A/S 08-May-2025 15:49:14 PM 2 1283.50 XCSE
GENMAB A/S 08-May-2025 15:49:14 PM 37 1283.00 XCSE
GENMAB A/S 08-May-2025 15:49:14 PM 21 1282.50 XCSE
GENMAB A/S 08-May-2025 15:49:37 PM 26 1286.50 XCSE
GENMAB A/S 08-May-2025 15:49:57 PM 33 1288.00 XCSE
GENMAB A/S 08-May-2025 15:49:57 PM 10 1287.50 XCSE
GENMAB A/S 08-May-2025 15:50:09 PM 38 1287.00 XCSE
GENMAB A/S 08-May-2025 15:50:22 PM 32 1289.00 XCSE
GENMAB A/S 08-May-2025 15:51:01 PM 35 1289.50 XCSE
GENMAB A/S 08-May-2025 15:51:01 PM 4 1289.00 XCSE
GENMAB A/S 08-May-2025 15:51:01 PM 33 1289.00 XCSE
GENMAB A/S 08-May-2025 15:51:34 PM 36 1287.50 XCSE
GENMAB A/S 08-May-2025 15:51:34 PM 24 1287.00 XCSE
GENMAB A/S 08-May-2025 15:51:34 PM 2 1287.00 XCSE
GENMAB A/S 08-May-2025 15:52:07 PM 34 1288.50 XCSE
GENMAB A/S 08-May-2025 15:52:07 PM 36 1288.00 XCSE
GENMAB A/S 08-May-2025 15:52:37 PM 29 1289.00 XCSE
GENMAB A/S 08-May-2025 15:52:37 PM 9 1288.50 XCSE
GENMAB A/S 08-May-2025 15:52:37 PM 22 1288.50 XCSE
GENMAB A/S 08-May-2025 15:53:15 PM 32 1289.00 XCSE
GENMAB A/S 08-May-2025 15:53:16 PM 4 1288.50 XCSE
GENMAB A/S 08-May-2025 15:53:16 PM 1 1288.50 XCSE
GENMAB A/S 08-May-2025 15:53:16 PM 11 1288.50 XCSE
GENMAB A/S 08-May-2025 15:53:16 PM 10 1288.50 XCSE
GENMAB A/S 08-May-2025 15:53:51 PM 28 1291.50 XCSE
GENMAB A/S 08-May-2025 15:54:15 PM 27 1293.50 XCSE
GENMAB A/S 08-May-2025 15:55:01 PM 54 1299.00 XCSE
GENMAB A/S 08-May-2025 15:55:02 PM 59 1298.50 XCSE
90




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 15:55:25 PM 33 1299.00 XCSE
GENMAB A/S 08-May-2025 15:55:25 PM 26 1298.50 XCSE
GENMAB A/S 08-May-2025 15:55:42 PM 30 1299.00 XCSE
GENMAB A/S 08-May-2025 15:56:07 PM 26 1300.00 XCSE
GENMAB A/S 08-May-2025 15:56:08 PM 2 1299.50 XCSE
GENMAB A/S 08-May-2025 15:56:08 PM 29 1299.50 XCSE
GENMAB A/S 08-May-2025 15:56:08 PM 1 1299.50 XCSE
GENMAB A/S 08-May-2025 15:56:08 PM 1 1299.50 XCSE
GENMAB A/S 08-May-2025 15:56:27 PM 34 1299.00 XCSE
GENMAB A/S 08-May-2025 15:56:27 PM 31 1298.50 XCSE
GENMAB A/S 08-May-2025 15:58:06 PM 5 1302.00 XCSE
GENMAB A/S 08-May-2025 15:58:06 PM 1 1302.00 XCSE
GENMAB A/S 08-May-2025 15:58:31 PM 55 1304.50 XCSE
GENMAB A/S 08-May-2025 15:58:31 PM 56 1304.00 XCSE
GENMAB A/S 08-May-2025 15:58:31 PM 47 1303.50 XCSE
GENMAB A/S 08-May-2025 15:58:31 PM 8 1303.50 XCSE
GENMAB A/S 08-May-2025 15:58:31 PM 49 1303.00 XCSE
GENMAB A/S 08-May-2025 15:59:02 PM 28 1302.00 XCSE
GENMAB A/S 08-May-2025 15:59:02 PM 20 1301.50 XCSE
GENMAB A/S 08-May-2025 15:59:02 PM 8 1301.50 XCSE
GENMAB A/S 08-May-2025 15:59:40 PM 32 1303.00 XCSE
GENMAB A/S 08-May-2025 16:00:13 PM 30 1304.50 XCSE
GENMAB A/S 08-May-2025 16:00:13 PM 30 1304.00 XCSE
GENMAB A/S 08-May-2025 16:01:30 PM 63 1304.00 XCSE
GENMAB A/S 08-May-2025 16:01:30 PM 53 1303.50 XCSE
GENMAB A/S 08-May-2025 16:01:30 PM 36 1303.00 XCSE
GENMAB A/S 08-May-2025 16:02:06 PM 26 1302.00 XCSE
GENMAB A/S 08-May-2025 16:02:46 PM 28 1301.50 XCSE
GENMAB A/S 08-May-2025 16:02:46 PM 2 1301.00 XCSE
GENMAB A/S 08-May-2025 16:02:46 PM 1 1301.00 XCSE
GENMAB A/S 08-May-2025 16:02:46 PM 27 1301.00 XCSE
GENMAB A/S 08-May-2025 16:02:46 PM 32 1300.50 XCSE
GENMAB A/S 08-May-2025 16:02:46 PM 7 1300.00 XCSE
GENMAB A/S 08-May-2025 16:03:04 PM 29 1301.00 XCSE
GENMAB A/S 08-May-2025 16:03:04 PM 16 1300.50 XCSE
GENMAB A/S 08-May-2025 16:03:04 PM 18 1300.50 XCSE
GENMAB A/S 08-May-2025 16:03:36 PM 29 1301.50 XCSE
GENMAB A/S 08-May-2025 16:03:36 PM 27 1302.00 XCSE
GENMAB A/S 08-May-2025 16:04:07 PM 2 1301.00 XCSE
GENMAB A/S 08-May-2025 16:04:07 PM 1 1301.00 XCSE
GENMAB A/S 08-May-2025 16:04:07 PM 30 1301.00 XCSE
GENMAB A/S 08-May-2025 16:04:07 PM 26 1300.50 XCSE
91




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 16:04:40 PM 28 1298.00 XCSE
GENMAB A/S 08-May-2025 16:04:58 PM 17 1296.50 XCSE
GENMAB A/S 08-May-2025 16:04:58 PM 9 1296.50 XCSE
GENMAB A/S 08-May-2025 16:04:58 PM 20 1296.00 XCSE
GENMAB A/S 08-May-2025 16:05:33 PM 10 1295.50 XCSE
GENMAB A/S 08-May-2025 16:05:33 PM 31 1295.50 XCSE
GENMAB A/S 08-May-2025 16:06:03 PM 11 1295.00 XCSE
GENMAB A/S 08-May-2025 16:06:03 PM 16 1295.00 XCSE
GENMAB A/S 08-May-2025 16:06:03 PM 29 1294.50 XCSE
GENMAB A/S 08-May-2025 16:06:03 PM 17 1294.00 XCSE
GENMAB A/S 08-May-2025 16:07:13 PM 37 1298.00 XCSE
GENMAB A/S 08-May-2025 16:07:13 PM 4 1298.00 XCSE
GENMAB A/S 08-May-2025 16:07:13 PM 37 1297.50 XCSE
GENMAB A/S 08-May-2025 16:07:28 PM 13 1296.50 XCSE
GENMAB A/S 08-May-2025 16:07:28 PM 3 1296.50 XCSE
GENMAB A/S 08-May-2025 16:07:28 PM 19 1296.50 XCSE
GENMAB A/S 08-May-2025 16:07:28 PM 20 1296.00 XCSE
GENMAB A/S 08-May-2025 16:08:34 PM 3 1299.00 XCSE
GENMAB A/S 08-May-2025 16:08:34 PM 3 1299.00 XCSE
GENMAB A/S 08-May-2025 16:08:34 PM 34 1299.00 XCSE
GENMAB A/S 08-May-2025 16:08:37 PM 39 1298.50 XCSE
GENMAB A/S 08-May-2025 16:09:05 PM 35 1298.50 XCSE
GENMAB A/S 08-May-2025 16:09:43 PM 9 1297.50 XCSE
GENMAB A/S 08-May-2025 16:09:45 PM 18 1297.50 XCSE
GENMAB A/S 08-May-2025 16:09:45 PM 5 1297.50 XCSE
GENMAB A/S 08-May-2025 16:09:49 PM 33 1297.00 XCSE
GENMAB A/S 08-May-2025 16:09:49 PM 3 1296.50 XCSE
GENMAB A/S 08-May-2025 16:09:49 PM 30 1296.50 XCSE
GENMAB A/S 08-May-2025 16:10:04 PM 26 1296.50 XCSE
GENMAB A/S 08-May-2025 16:11:12 PM 10 1297.00 XCSE
GENMAB A/S 08-May-2025 16:11:20 PM 39 1297.00 XCSE
GENMAB A/S 08-May-2025 16:11:49 PM 28 1296.50 XCSE
GENMAB A/S 08-May-2025 16:11:49 PM 19 1296.50 XCSE
GENMAB A/S 08-May-2025 16:11:49 PM 27 1296.00 XCSE
GENMAB A/S 08-May-2025 16:11:49 PM 38 1295.50 XCSE
GENMAB A/S 08-May-2025 16:11:49 PM 8 1295.00 XCSE
GENMAB A/S 08-May-2025 16:11:49 PM 6 1295.00 XCSE
GENMAB A/S 08-May-2025 16:11:49 PM 5 1295.00 XCSE
GENMAB A/S 08-May-2025 16:11:49 PM 10 1295.00 XCSE
GENMAB A/S 08-May-2025 16:11:49 PM 6 1295.00 XCSE
GENMAB A/S 08-May-2025 16:12:22 PM 21 1294.00 XCSE
GENMAB A/S 08-May-2025 16:13:05 PM 40 1294.50 XCSE
92




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 16:13:05 PM 6 1294.00 XCSE
GENMAB A/S 08-May-2025 16:13:05 PM 20 1294.00 XCSE
GENMAB A/S 08-May-2025 16:13:26 PM 32 1294.50 XCSE
GENMAB A/S 08-May-2025 16:13:55 PM 32 1294.00 XCSE
GENMAB A/S 08-May-2025 16:13:58 PM 29 1295.00 XCSE
GENMAB A/S 08-May-2025 16:14:36 PM 29 1292.50 XCSE
GENMAB A/S 08-May-2025 16:14:42 PM 4 1292.00 XCSE
GENMAB A/S 08-May-2025 16:14:42 PM 4 1292.00 XCSE
GENMAB A/S 08-May-2025 16:14:42 PM 5 1292.00 XCSE
GENMAB A/S 08-May-2025 16:14:42 PM 2 1292.00 XCSE
GENMAB A/S 08-May-2025 16:14:42 PM 12 1292.00 XCSE
GENMAB A/S 08-May-2025 16:15:00 PM 29 1291.50 XCSE
GENMAB A/S 08-May-2025 16:15:04 PM 28 1291.00 XCSE
GENMAB A/S 08-May-2025 16:16:00 PM 10 1291.00 XCSE
GENMAB A/S 08-May-2025 16:16:00 PM 16 1291.00 XCSE
GENMAB A/S 08-May-2025 16:16:31 PM 29 1290.50 XCSE
GENMAB A/S 08-May-2025 16:16:31 PM 6 1290.00 XCSE
GENMAB A/S 08-May-2025 16:16:34 PM 32 1291.50 XCSE
GENMAB A/S 08-May-2025 16:16:34 PM 26 1291.00 XCSE
GENMAB A/S 08-May-2025 16:16:34 PM 30 1290.50 XCSE
GENMAB A/S 08-May-2025 16:17:47 PM 31 1290.50 XCSE
GENMAB A/S 08-May-2025 16:17:47 PM 26 1290.00 XCSE
GENMAB A/S 08-May-2025 16:17:48 PM 29 1292.50 XCSE
GENMAB A/S 08-May-2025 16:17:48 PM 2 1292.50 XCSE
GENMAB A/S 08-May-2025 16:18:37 PM 32 1289.00 XCSE
GENMAB A/S 08-May-2025 16:18:37 PM 27 1288.50 XCSE
GENMAB A/S 08-May-2025 16:19:06 PM 14 1289.00 XCSE
GENMAB A/S 08-May-2025 16:19:06 PM 16 1289.00 XCSE
GENMAB A/S 08-May-2025 16:19:06 PM 9 1288.50 XCSE
GENMAB A/S 08-May-2025 16:19:07 PM 33 1289.00 XCSE
GENMAB A/S 08-May-2025 16:19:07 PM 19 1288.50 XCSE
GENMAB A/S 08-May-2025 16:19:45 PM 25 1289.00 XCSE
GENMAB A/S 08-May-2025 16:19:45 PM 26 1289.00 XCSE
GENMAB A/S 08-May-2025 16:20:15 PM 28 1289.00 XCSE
GENMAB A/S 08-May-2025 16:20:54 PM 26 1289.50 XCSE
GENMAB A/S 08-May-2025 16:21:20 PM 5 1291.00 XCSE
GENMAB A/S 08-May-2025 16:21:20 PM 26 1291.00 XCSE
GENMAB A/S 08-May-2025 16:21:45 PM 26 1292.00 XCSE
GENMAB A/S 08-May-2025 16:21:45 PM 25 1291.50 XCSE
GENMAB A/S 08-May-2025 16:21:45 PM 9 1291.50 XCSE
GENMAB A/S 08-May-2025 16:22:06 PM 29 1293.00 XCSE
GENMAB A/S 08-May-2025 16:22:28 PM 6 1291.50 XCSE
93




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 16:22:28 PM 1 1291.50 XCSE
GENMAB A/S 08-May-2025 16:22:28 PM 1 1291.50 XCSE
GENMAB A/S 08-May-2025 16:22:28 PM 5 1291.50 XCSE
GENMAB A/S 08-May-2025 16:22:28 PM 21 1291.50 XCSE
GENMAB A/S 08-May-2025 16:23:04 PM 8 1293.00 XCSE
GENMAB A/S 08-May-2025 16:23:04 PM 19 1293.00 XCSE
GENMAB A/S 08-May-2025 16:23:09 PM 30 1292.50 XCSE
GENMAB A/S 08-May-2025 16:23:54 PM 16 1293.00 XCSE
GENMAB A/S 08-May-2025 16:24:49 PM 59 1299.00 XCSE
GENMAB A/S 08-May-2025 16:24:58 PM 4 1298.50 XCSE
GENMAB A/S 08-May-2025 16:25:16 PM 20 1299.50 XCSE
GENMAB A/S 08-May-2025 16:25:16 PM 2 1299.50 XCSE
GENMAB A/S 08-May-2025 16:25:16 PM 2 1299.50 XCSE
GENMAB A/S 08-May-2025 16:25:16 PM 2 1299.50 XCSE
GENMAB A/S 08-May-2025 16:25:16 PM 5 1299.50 XCSE
GENMAB A/S 08-May-2025 16:25:16 PM 2 1299.50 XCSE
GENMAB A/S 08-May-2025 16:25:16 PM 7 1299.50 XCSE
GENMAB A/S 08-May-2025 16:25:16 PM 45 1299.00 XCSE
GENMAB A/S 08-May-2025 16:25:16 PM 26 1298.50 XCSE
GENMAB A/S 08-May-2025 16:25:23 PM 44 1300.50 XCSE
GENMAB A/S 08-May-2025 16:25:39 PM 36 1300.50 XCSE
GENMAB A/S 08-May-2025 16:26:15 PM 26 1301.00 XCSE
GENMAB A/S 08-May-2025 16:26:38 PM 28 1301.50 XCSE
GENMAB A/S 08-May-2025 16:26:38 PM 6 1301.50 XCSE
GENMAB A/S 08-May-2025 16:26:44 PM 30 1301.00 XCSE
GENMAB A/S 08-May-2025 16:27:36 PM 33 1302.00 XCSE
GENMAB A/S 08-May-2025 16:28:27 PM 31 1303.50 XCSE
GENMAB A/S 08-May-2025 16:28:27 PM 33 1303.00 XCSE
GENMAB A/S 08-May-2025 16:28:27 PM 29 1302.50 XCSE
GENMAB A/S 08-May-2025 16:28:27 PM 14 1302.00 XCSE
GENMAB A/S 08-May-2025 16:28:27 PM 3 1302.00 XCSE
GENMAB A/S 08-May-2025 16:28:27 PM 10 1302.00 XCSE
GENMAB A/S 08-May-2025 16:28:55 PM 27 1302.00 XCSE
GENMAB A/S 08-May-2025 16:29:31 PM 26 1300.50 XCSE
GENMAB A/S 08-May-2025 16:29:41 PM 32 1300.00 XCSE
GENMAB A/S 08-May-2025 16:29:48 PM 18 1299.50 XCSE
GENMAB A/S 08-May-2025 16:30:01 PM 23 1300.00 XCSE
GENMAB A/S 08-May-2025 16:30:04 PM 3 1300.00 XCSE
GENMAB A/S 08-May-2025 16:30:32 PM 27 1299.50 XCSE
GENMAB A/S 08-May-2025 16:30:38 PM 31 1299.00 XCSE
GENMAB A/S 08-May-2025 16:30:42 PM 32 1301.00 XCSE
GENMAB A/S 08-May-2025 16:31:03 PM 7 1300.50 XCSE
94




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 16:31:43 PM 27 1298.50 XCSE
GENMAB A/S 08-May-2025 16:31:57 PM 27 1300.00 XCSE
GENMAB A/S 08-May-2025 16:32:05 PM 1 1299.50 XCSE
GENMAB A/S 08-May-2025 16:32:05 PM 30 1299.50 XCSE
GENMAB A/S 08-May-2025 16:32:10 PM 34 1299.00 XCSE
GENMAB A/S 08-May-2025 16:32:22 PM 30 1300.50 XCSE
GENMAB A/S 08-May-2025 16:32:49 PM 38 1300.50 XCSE
GENMAB A/S 08-May-2025 16:32:49 PM 2 1300.50 XCSE
GENMAB A/S 08-May-2025 16:33:46 PM 27 1301.00 XCSE
GENMAB A/S 08-May-2025 16:33:46 PM 13 1300.50 XCSE
GENMAB A/S 08-May-2025 16:33:46 PM 14 1300.50 XCSE
GENMAB A/S 08-May-2025 16:33:46 PM 3 1300.50 XCSE
GENMAB A/S 08-May-2025 16:33:46 PM 5 1300.50 XCSE
GENMAB A/S 08-May-2025 16:33:46 PM 12 1300.00 XCSE
GENMAB A/S 08-May-2025 16:34:00 PM 5 1301.50 XCSE
GENMAB A/S 08-May-2025 16:34:01 PM 23 1301.50 XCSE
GENMAB A/S 08-May-2025 16:34:01 PM 27 1301.00 XCSE
GENMAB A/S 08-May-2025 16:34:22 PM 26 1302.00 XCSE
GENMAB A/S 08-May-2025 16:35:06 PM 36 1302.00 XCSE
GENMAB A/S 08-May-2025 16:35:31 PM 38 1301.50 XCSE
GENMAB A/S 08-May-2025 16:35:32 PM 27 1301.00 XCSE
GENMAB A/S 08-May-2025 16:35:53 PM 8 1299.50 XCSE
GENMAB A/S 08-May-2025 16:36:02 PM 10 1299.50 XCSE
GENMAB A/S 08-May-2025 16:36:04 PM 13 1299.50 XCSE
GENMAB A/S 08-May-2025 16:36:46 PM 41 1300.00 XCSE
GENMAB A/S 08-May-2025 16:37:01 PM 27 1299.50 XCSE
GENMAB A/S 08-May-2025 16:37:20 PM 28 1300.00 XCSE
GENMAB A/S 08-May-2025 16:37:26 PM 18 1300.50 XCSE
GENMAB A/S 08-May-2025 16:37:26 PM 14 1300.50 XCSE
GENMAB A/S 08-May-2025 16:37:29 PM 32 1300.00 XCSE
GENMAB A/S 08-May-2025 16:37:52 PM 28 1300.50 XCSE
GENMAB A/S 08-May-2025 16:37:54 PM 12 1300.00 XCSE
GENMAB A/S 08-May-2025 16:37:59 PM 4 1300.50 XCSE
GENMAB A/S 08-May-2025 16:37:59 PM 24 1300.50 XCSE
GENMAB A/S 08-May-2025 16:38:09 PM 18 1299.50 XCSE
GENMAB A/S 08-May-2025 16:38:12 PM 18 1299.50 XCSE
GENMAB A/S 08-May-2025 16:38:12 PM 7 1299.50 XCSE
GENMAB A/S 08-May-2025 16:39:05 PM 27 1300.50 XCSE
GENMAB A/S 08-May-2025 16:39:24 PM 3 1300.00 XCSE
GENMAB A/S 08-May-2025 16:39:24 PM 6 1300.00 XCSE
GENMAB A/S 08-May-2025 16:39:24 PM 22 1300.00 XCSE
GENMAB A/S 08-May-2025 16:39:30 PM 26 1299.50 XCSE
95




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 16:39:35 PM 1 1299.00 XCSE
GENMAB A/S 08-May-2025 16:39:40 PM 18 1299.00 XCSE
GENMAB A/S 08-May-2025 16:39:40 PM 13 1299.00 XCSE
GENMAB A/S 08-May-2025 16:39:50 PM 43 1299.00 XCSE
GENMAB A/S 08-May-2025 16:40:26 PM 20 1299.50 XCSE
GENMAB A/S 08-May-2025 16:40:26 PM 6 1299.50 XCSE
GENMAB A/S 08-May-2025 16:40:31 PM 26 1299.00 XCSE
GENMAB A/S 08-May-2025 16:40:31 PM 20 1298.50 XCSE
GENMAB A/S 08-May-2025 16:40:31 PM 8 1298.50 XCSE
GENMAB A/S 08-May-2025 16:40:37 PM 26 1298.00 XCSE
GENMAB A/S 08-May-2025 16:41:23 PM 26 1299.00 XCSE
GENMAB A/S 08-May-2025 16:42:48 PM 1 1300.00 XCSE
GENMAB A/S 08-May-2025 16:42:48 PM 78 1300.00 XCSE
GENMAB A/S 08-May-2025 16:43:28 PM 73 1300.50 XCSE
GENMAB A/S 08-May-2025 16:43:28 PM 3 1300.00 XCSE
GENMAB A/S 08-May-2025 16:43:28 PM 55 1300.00 XCSE
GENMAB A/S 08-May-2025 16:43:28 PM 3 1299.50 XCSE
GENMAB A/S 08-May-2025 16:43:28 PM 7 1299.50 XCSE
GENMAB A/S 08-May-2025 16:43:28 PM 4 1299.50 XCSE
GENMAB A/S 08-May-2025 16:44:00 PM 65 1299.50 XCSE
GENMAB A/S 08-May-2025 16:44:11 PM 33 1299.00 XCSE
GENMAB A/S 08-May-2025 16:44:16 PM 26 1298.50 XCSE
GENMAB A/S 08-May-2025 16:45:41 PM 16 1299.00 XCSE
GENMAB A/S 08-May-2025 16:45:41 PM 19 1299.00 XCSE
GENMAB A/S 08-May-2025 16:45:41 PM 32 1299.00 XCSE
GENMAB A/S 08-May-2025 16:45:41 PM 52 1298.50 XCSE
GENMAB A/S 08-May-2025 16:45:57 PM 10 1298.00 XCSE
GENMAB A/S 08-May-2025 16:45:57 PM 11 1298.00 XCSE
GENMAB A/S 08-May-2025 16:45:57 PM 2 1298.00 XCSE
GENMAB A/S 08-May-2025 16:46:00 PM 4 1298.00 XCSE
GENMAB A/S 08-May-2025 16:46:03 PM 40 1297.50 XCSE
GENMAB A/S 08-May-2025 16:46:03 PM 37 1297.00 XCSE
GENMAB A/S 08-May-2025 16:46:03 PM 24 1296.50 XCSE
GENMAB A/S 08-May-2025 16:46:03 PM 18 1296.50 XCSE
GENMAB A/S 08-May-2025 16:46:51 PM 37 1296.50 XCSE
GENMAB A/S 08-May-2025 16:46:55 PM 4 1296.00 XCSE
GENMAB A/S 08-May-2025 16:46:58 PM 17 1296.00 XCSE
GENMAB A/S 08-May-2025 16:47:02 PM 15 1296.00 XCSE
GENMAB A/S 08-May-2025 16:47:09 PM 27 1297.00 XCSE
GENMAB A/S 08-May-2025 16:47:20 PM 4 1297.00 XCSE
GENMAB A/S 08-May-2025 16:47:20 PM 23 1297.00 XCSE
GENMAB A/S 08-May-2025 16:47:37 PM 31 1297.00 XCSE
96




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 16:47:51 PM 18 1297.00 XCSE
GENMAB A/S 08-May-2025 16:47:55 PM 13 1297.00 XCSE
GENMAB A/S 08-May-2025 16:48:01 PM 27 1296.50 XCSE
GENMAB A/S 08-May-2025 16:48:41 PM 29 1297.50 XCSE
GENMAB A/S 08-May-2025 16:48:41 PM 5 1297.50 XCSE
GENMAB A/S 08-May-2025 16:48:56 PM 36 1297.50 XCSE
GENMAB A/S 08-May-2025 16:49:07 PM 43 1297.00 XCSE
GENMAB A/S 08-May-2025 16:49:31 PM 18 1297.00 XCSE
GENMAB A/S 08-May-2025 16:49:31 PM 8 1297.00 XCSE
GENMAB A/S 08-May-2025 16:49:44 PM 8 1297.50 XCSE
GENMAB A/S 08-May-2025 16:49:44 PM 39 1297.50 XCSE
GENMAB A/S 08-May-2025 16:49:44 PM 1 1297.50 XCSE
GENMAB A/S 08-May-2025 16:49:44 PM 6 1297.00 XCSE
GENMAB A/S 08-May-2025 16:49:44 PM 4 1297.00 XCSE
GENMAB A/S 08-May-2025 16:49:44 PM 3 1297.00 XCSE
GENMAB A/S 08-May-2025 16:49:44 PM 3 1297.00 XCSE
GENMAB A/S 08-May-2025 16:49:44 PM 2 1297.00 XCSE
GENMAB A/S 08-May-2025 16:49:44 PM 4 1297.00 XCSE
GENMAB A/S 08-May-2025 16:49:44 PM 6 1297.00 XCSE
GENMAB A/S 08-May-2025 16:49:44 PM 4 1297.00 XCSE
GENMAB A/S 08-May-2025 16:50:07 PM 16 1297.50 XCSE
GENMAB A/S 08-May-2025 16:50:10 PM 18 1297.50 XCSE
GENMAB A/S 08-May-2025 16:50:10 PM 7 1297.00 XCSE
GENMAB A/S 08-May-2025 16:50:10 PM 34 1296.50 XCSE
GENMAB A/S 08-May-2025 16:50:15 PM 5 1297.00 XCSE
GENMAB A/S 08-May-2025 16:50:15 PM 22 1297.00 XCSE
GENMAB A/S 08-May-2025 16:50:37 PM 5 1296.00 XCSE
GENMAB A/S 08-May-2025 16:50:42 PM 3 1296.00 XCSE
GENMAB A/S 08-May-2025 16:50:43 PM 21 1296.00 XCSE
GENMAB A/S 08-May-2025 16:50:43 PM 9 1296.00 XCSE
GENMAB A/S 08-May-2025 16:51:11 PM 39 1296.50 XCSE
GENMAB A/S 08-May-2025 16:51:11 PM 11 1296.50 XCSE
GENMAB A/S 08-May-2025 16:51:11 PM 39 1296.00 XCSE
GENMAB A/S 08-May-2025 16:51:17 PM 29 1295.50 XCSE
GENMAB A/S 08-May-2025 16:52:08 PM 39 1296.00 XCSE
GENMAB A/S 08-May-2025 16:52:12 PM 11 1296.00 XCSE
GENMAB A/S 08-May-2025 16:52:12 PM 39 1296.00 XCSE
GENMAB A/S 08-May-2025 16:52:12 PM 12 1296.00 XCSE
GENMAB A/S 08-May-2025 16:52:12 PM 10 1296.00 XCSE
GENMAB A/S 08-May-2025 16:52:12 PM 4 1296.00 XCSE
GENMAB A/S 08-May-2025 16:52:16 PM 28 1295.50 XCSE
GENMAB A/S 08-May-2025 16:52:42 PM 18 1295.00 XCSE
97




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 08-May-2025 16:52:45 PM 27 1295.50 XCSE
GENMAB A/S 08-May-2025 16:52:59 PM 11 1295.50 XCSE
GENMAB A/S 08-May-2025 16:52:59 PM 15 1295.50 XCSE
GENMAB A/S 08-May-2025 16:53:03 PM 17 1295.50 XCSE
GENMAB A/S 08-May-2025 16:53:09 PM 7 1295.50 XCSE
GENMAB A/S 08-May-2025 16:53:17 PM 19 1295.50 XCSE
GENMAB A/S 08-May-2025 16:53:17 PM 3 1295.50 XCSE
GENMAB A/S 08-May-2025 16:53:17 PM 2 1295.50 XCSE
GENMAB A/S 08-May-2025 16:53:30 PM 12 1296.00 XCSE
GENMAB A/S 08-May-2025 16:53:30 PM 18 1296.00 XCSE
GENMAB A/S 08-May-2025 16:53:30 PM 12 1296.00 XCSE
GENMAB A/S 08-May-2025 16:53:38 PM 39 1296.00 XCSE
GENMAB A/S 08-May-2025 16:53:38 PM 6 1296.00 XCSE
GENMAB A/S 08-May-2025 16:53:45 PM 32 1295.50 XCSE
GENMAB A/S 08-May-2025 16:53:56 PM 3 1295.50 XCSE
GENMAB A/S 08-May-2025 16:53:57 PM 10 1295.50 XCSE
GENMAB A/S 08-May-2025 16:53:57 PM 34 1295.50 XCSE
GENMAB A/S 09-May-2025 09:34:55 AM 8 1294.50 XCSE
GENMAB A/S 09-May-2025 09:35:09 AM 6 1295.00 CEUX
GENMAB A/S 09-May-2025 09:35:09 AM 73 1295.00 CEUX
GENMAB A/S 09-May-2025 09:35:43 AM 4 1295.00 CEUX
GENMAB A/S 09-May-2025 09:35:50 AM 19 1295.00 CEUX
GENMAB A/S 09-May-2025 09:35:57 AM 19 1295.00 CEUX
GENMAB A/S 09-May-2025 09:36:09 AM 65 1297.00 XCSE
GENMAB A/S 09-May-2025 09:36:09 AM 13 1297.00 XCSE
GENMAB A/S 09-May-2025 09:36:23 AM 5 1296.50 XCSE
GENMAB A/S 09-May-2025 09:36:27 AM 19 1296.50 AQEU
GENMAB A/S 09-May-2025 09:36:34 AM 19 1296.50 TQEX
GENMAB A/S 09-May-2025 09:36:41 AM 19 1297.50 AQEU
GENMAB A/S 09-May-2025 09:36:42 AM 29 1297.00 TQEX
GENMAB A/S 09-May-2025 09:36:42 AM 18 1297.00 TQEX
GENMAB A/S 09-May-2025 09:36:42 AM 43 1297.00 CEUX
GENMAB A/S 09-May-2025 09:36:42 AM 53 1297.50 AQEU
GENMAB A/S 09-May-2025 09:36:42 AM 39 1297.00 AQEU
GENMAB A/S 09-May-2025 09:36:45 AM 19 1297.00 TQEX
GENMAB A/S 09-May-2025 09:36:50 AM 12 1297.00 TQEX
GENMAB A/S 09-May-2025 09:36:50 AM 19 1297.00 AQEU
GENMAB A/S 09-May-2025 09:36:55 AM 14 1297.00 AQEU
GENMAB A/S 09-May-2025 09:36:59 AM 57 1297.00 XCSE
GENMAB A/S 09-May-2025 09:37:20 AM 17 1297.00 CEUX
GENMAB A/S 09-May-2025 09:37:27 AM 10 1297.00 CEUX
GENMAB A/S 09-May-2025 09:37:34 AM 14 1297.00 TQEX
98




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 09:38:02 AM 32 1299.50 CEUX
GENMAB A/S 09-May-2025 09:39:03 AM 6 1301.50 XCSE
GENMAB A/S 09-May-2025 09:39:03 AM 22 1301.50 XCSE
GENMAB A/S 09-May-2025 09:39:10 AM 33 1301.00 XCSE
GENMAB A/S 09-May-2025 09:39:10 AM 45 1301.00 TQEX
GENMAB A/S 09-May-2025 09:39:10 AM 35 1301.00 CEUX
GENMAB A/S 09-May-2025 09:39:11 AM 35 1300.50 XCSE
GENMAB A/S 09-May-2025 09:39:11 AM 43 1300.50 TQEX
GENMAB A/S 09-May-2025 09:39:11 AM 26 1300.50 CEUX
GENMAB A/S 09-May-2025 09:39:14 AM 47 1300.00 TQEX
GENMAB A/S 09-May-2025 09:39:14 AM 26 1300.00 CEUX
GENMAB A/S 09-May-2025 09:39:14 AM 25 1300.00 AQEU
GENMAB A/S 09-May-2025 09:39:21 AM 19 1299.50 CEUX
GENMAB A/S 09-May-2025 09:39:24 AM 17 1299.50 CEUX
GENMAB A/S 09-May-2025 09:39:24 AM 27 1299.50 AQEU
GENMAB A/S 09-May-2025 09:39:35 AM 43 1299.00 XCSE
GENMAB A/S 09-May-2025 09:39:35 AM 19 1299.00 CEUX
GENMAB A/S 09-May-2025 09:39:35 AM 13 1299.00 CEUX
GENMAB A/S 09-May-2025 09:39:42 AM 4 1298.50 CEUX
GENMAB A/S 09-May-2025 09:39:42 AM 19 1298.50 CEUX
GENMAB A/S 09-May-2025 09:39:49 AM 3 1298.50 CEUX
GENMAB A/S 09-May-2025 09:40:00 AM 30 1298.00 CEUX
GENMAB A/S 09-May-2025 09:40:01 AM 25 1297.50 XCSE
GENMAB A/S 09-May-2025 09:40:12 AM 19 1296.50 CEUX
GENMAB A/S 09-May-2025 09:40:35 AM 8 1297.00 XCSE
GENMAB A/S 09-May-2025 09:40:35 AM 22 1297.00 XCSE
GENMAB A/S 09-May-2025 09:40:59 AM 9 1297.00 CEUX
GENMAB A/S 09-May-2025 09:41:05 AM 19 1297.00 CEUX
GENMAB A/S 09-May-2025 09:41:10 AM 27 1296.50 XCSE
GENMAB A/S 09-May-2025 09:41:22 AM 32 1296.00 XCSE
GENMAB A/S 09-May-2025 09:41:28 AM 19 1296.00 CEUX
GENMAB A/S 09-May-2025 09:41:57 AM 19 1296.00 XCSE
GENMAB A/S 09-May-2025 09:41:57 AM 12 1296.00 XCSE
GENMAB A/S 09-May-2025 09:42:03 AM 19 1295.50 XCSE
GENMAB A/S 09-May-2025 09:42:21 AM 31 1298.00 XCSE
GENMAB A/S 09-May-2025 09:42:21 AM 44 1298.00 XCSE
GENMAB A/S 09-May-2025 09:43:53 AM 19 1299.50 CEUX
GENMAB A/S 09-May-2025 09:43:58 AM 66 1299.50 XCSE
GENMAB A/S 09-May-2025 09:43:58 AM 67 1299.00 XCSE
GENMAB A/S 09-May-2025 09:43:58 AM 12 1299.50 CEUX
GENMAB A/S 09-May-2025 09:43:58 AM 27 1299.00 CEUX
GENMAB A/S 09-May-2025 09:44:02 AM 8 1300.50 XCSE
99




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 09:44:04 AM 19 1300.50 XCSE
GENMAB A/S 09-May-2025 09:44:04 AM 19 1300.50 XCSE
GENMAB A/S 09-May-2025 09:44:04 AM 31 1300.50 XCSE
GENMAB A/S 09-May-2025 09:44:08 AM 2 1300.00 XCSE
GENMAB A/S 09-May-2025 09:44:10 AM 75 1300.00 XCSE
GENMAB A/S 09-May-2025 09:44:28 AM 61 1301.00 XCSE
GENMAB A/S 09-May-2025 09:44:28 AM 19 1301.00 CEUX
GENMAB A/S 09-May-2025 09:44:28 AM 12 1301.00 CEUX
GENMAB A/S 09-May-2025 09:44:34 AM 53 1301.50 XCSE
GENMAB A/S 09-May-2025 09:44:34 AM 19 1301.50 CEUX
GENMAB A/S 09-May-2025 09:44:39 AM 4 1301.50 CEUX
GENMAB A/S 09-May-2025 09:44:39 AM 4 1301.50 CEUX
GENMAB A/S 09-May-2025 09:44:39 AM 7 1301.50 CEUX
GENMAB A/S 09-May-2025 09:44:45 AM 48 1301.00 XCSE
GENMAB A/S 09-May-2025 09:45:04 AM 25 1301.00 CEUX
GENMAB A/S 09-May-2025 09:45:05 AM 19 1300.50 CEUX
GENMAB A/S 09-May-2025 09:45:08 AM 63 1300.50 XCSE
GENMAB A/S 09-May-2025 09:45:23 AM 31 1299.50 XCSE
GENMAB A/S 09-May-2025 09:45:41 AM 29 1302.00 XCSE
GENMAB A/S 09-May-2025 09:45:42 AM 27 1303.50 XCSE
GENMAB A/S 09-May-2025 09:46:02 AM 26 1306.50 XCSE
GENMAB A/S 09-May-2025 09:46:02 AM 12 1306.50 CEUX
GENMAB A/S 09-May-2025 09:46:02 AM 13 1306.50 CEUX
GENMAB A/S 09-May-2025 09:46:02 AM 25 1306.00 CEUX
GENMAB A/S 09-May-2025 09:46:20 AM 25 1310.00 XCSE
GENMAB A/S 09-May-2025 09:46:20 AM 26 1310.50 XCSE
GENMAB A/S 09-May-2025 09:46:20 AM 26 1310.50 CEUX
GENMAB A/S 09-May-2025 09:47:07 AM 28 1310.00 CEUX
GENMAB A/S 09-May-2025 09:47:36 AM 26 1310.00 XCSE
GENMAB A/S 09-May-2025 09:48:09 AM 27 1309.50 XCSE
GENMAB A/S 09-May-2025 09:48:09 AM 25 1309.50 CEUX
GENMAB A/S 09-May-2025 09:48:35 AM 26 1311.00 XCSE
GENMAB A/S 09-May-2025 09:48:35 AM 36 1310.50 XCSE
GENMAB A/S 09-May-2025 09:48:35 AM 21 1310.50 CEUX
GENMAB A/S 09-May-2025 09:49:00 AM 27 1309.00 CEUX
GENMAB A/S 09-May-2025 09:49:30 AM 32 1309.00 XCSE
GENMAB A/S 09-May-2025 09:49:34 AM 33 1308.50 XCSE
GENMAB A/S 09-May-2025 09:50:32 AM 40 1310.00 XCSE
GENMAB A/S 09-May-2025 09:50:32 AM 1 1310.00 XCSE
GENMAB A/S 09-May-2025 09:50:32 AM 31 1310.00 CEUX
GENMAB A/S 09-May-2025 09:50:32 AM 9 1309.50 CEUX
100




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 09:50:43 AM 45 1309.50 XCSE
GENMAB A/S 09-May-2025 09:50:43 AM 17 1309.50 CEUX
GENMAB A/S 09-May-2025 09:50:47 AM 26 1309.00 XCSE
GENMAB A/S 09-May-2025 09:51:11 AM 1 1309.00 XCSE
GENMAB A/S 09-May-2025 09:51:11 AM 25 1309.00 XCSE
GENMAB A/S 09-May-2025 09:51:11 AM 32 1309.50 CEUX
GENMAB A/S 09-May-2025 09:52:04 AM 29 1310.50 CEUX
GENMAB A/S 09-May-2025 09:52:05 AM 38 1310.00 XCSE
GENMAB A/S 09-May-2025 09:52:42 AM 40 1310.50 XCSE
GENMAB A/S 09-May-2025 09:52:58 AM 20 1310.00 XCSE
GENMAB A/S 09-May-2025 09:52:58 AM 6 1310.00 XCSE
GENMAB A/S 09-May-2025 09:52:58 AM 3 1310.00 CEUX
GENMAB A/S 09-May-2025 09:52:58 AM 29 1310.00 CEUX
GENMAB A/S 09-May-2025 09:53:17 AM 25 1309.50 CEUX
GENMAB A/S 09-May-2025 09:53:18 AM 33 1309.50 XCSE
GENMAB A/S 09-May-2025 09:53:40 AM 33 1309.00 XCSE
GENMAB A/S 09-May-2025 09:53:40 AM 28 1309.00 CEUX
GENMAB A/S 09-May-2025 09:53:41 AM 32 1308.50 XCSE
GENMAB A/S 09-May-2025 09:54:18 AM 31 1309.00 CEUX
GENMAB A/S 09-May-2025 09:54:28 AM 27 1308.50 XCSE
GENMAB A/S 09-May-2025 09:54:50 AM 26 1308.00 XCSE
GENMAB A/S 09-May-2025 09:54:51 AM 27 1307.50 XCSE
GENMAB A/S 09-May-2025 09:54:51 AM 26 1307.50 CEUX
GENMAB A/S 09-May-2025 09:54:52 AM 25 1307.00 XCSE
GENMAB A/S 09-May-2025 09:55:31 AM 4 1305.50 XCSE
GENMAB A/S 09-May-2025 09:55:31 AM 3 1305.50 XCSE
GENMAB A/S 09-May-2025 09:55:31 AM 19 1305.50 XCSE
GENMAB A/S 09-May-2025 09:55:31 AM 30 1305.00 XCSE
GENMAB A/S 09-May-2025 09:55:31 AM 29 1305.50 CEUX
GENMAB A/S 09-May-2025 09:56:16 AM 27 1304.00 XCSE
GENMAB A/S 09-May-2025 09:56:16 AM 32 1304.00 CEUX
GENMAB A/S 09-May-2025 09:56:17 AM 16 1303.50 XCSE
GENMAB A/S 09-May-2025 09:56:34 AM 30 1303.00 XCSE
GENMAB A/S 09-May-2025 09:56:34 AM 27 1302.50 XCSE
GENMAB A/S 09-May-2025 09:56:41 AM 27 1301.50 CEUX
GENMAB A/S 09-May-2025 09:57:52 AM 38 1299.50 XCSE
GENMAB A/S 09-May-2025 09:57:52 AM 27 1299.00 XCSE
GENMAB A/S 09-May-2025 09:57:52 AM 29 1300.00 CEUX
GENMAB A/S 09-May-2025 09:57:52 AM 31 1299.00 CEUX
GENMAB A/S 09-May-2025 09:57:52 AM 27 1299.50 AQEU
GENMAB A/S 09-May-2025 09:57:52 AM 4 1299.50 AQEU
GENMAB A/S 09-May-2025 09:59:24 AM 29 1298.50 CEUX
101




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 10:00:00 AM 64 1298.50 XCSE
GENMAB A/S 09-May-2025 10:00:00 AM 27 1298.50 CEUX
GENMAB A/S 09-May-2025 10:00:13 AM 62 1298.00 XCSE
GENMAB A/S 09-May-2025 10:00:13 AM 26 1297.50 XCSE
GENMAB A/S 09-May-2025 10:00:13 AM 25 1298.00 CEUX
GENMAB A/S 09-May-2025 10:00:29 AM 35 1297.00 XCSE
GENMAB A/S 09-May-2025 10:00:35 AM 25 1296.50 XCSE
GENMAB A/S 09-May-2025 10:00:35 AM 25 1296.00 XCSE
GENMAB A/S 09-May-2025 10:00:35 AM 33 1296.50 CEUX
GENMAB A/S 09-May-2025 10:00:51 AM 25 1296.50 XCSE
GENMAB A/S 09-May-2025 10:01:00 AM 27 1296.00 AQEU
GENMAB A/S 09-May-2025 10:01:17 AM 29 1296.00 XCSE
GENMAB A/S 09-May-2025 10:01:17 AM 26 1296.00 CEUX
GENMAB A/S 09-May-2025 10:01:33 AM 26 1295.00 XCSE
GENMAB A/S 09-May-2025 10:01:52 AM 27 1295.50 XCSE
GENMAB A/S 09-May-2025 10:01:55 AM 28 1295.00 CEUX
GENMAB A/S 09-May-2025 10:02:47 AM 23 1296.50 TQEX
GENMAB A/S 09-May-2025 10:04:03 AM 2 1298.50 XCSE
GENMAB A/S 09-May-2025 10:04:03 AM 29 1298.50 XCSE
GENMAB A/S 09-May-2025 10:04:03 AM 29 1298.50 XCSE
GENMAB A/S 09-May-2025 10:04:03 AM 38 1299.00 CEUX
GENMAB A/S 09-May-2025 10:04:03 AM 34 1298.50 CEUX
GENMAB A/S 09-May-2025 10:04:03 AM 28 1298.50 AQEU
GENMAB A/S 09-May-2025 10:04:04 AM 21 1298.00 CEUX
GENMAB A/S 09-May-2025 10:04:17 AM 53 1298.00 XCSE
GENMAB A/S 09-May-2025 10:04:17 AM 45 1297.50 XCSE
GENMAB A/S 09-May-2025 10:04:56 AM 31 1297.50 XCSE
GENMAB A/S 09-May-2025 10:04:57 AM 54 1297.00 XCSE
GENMAB A/S 09-May-2025 10:04:57 AM 35 1296.50 XCSE
GENMAB A/S 09-May-2025 10:04:57 AM 26 1297.00 CEUX
GENMAB A/S 09-May-2025 10:04:58 AM 28 1296.00 TQEX
GENMAB A/S 09-May-2025 10:05:17 AM 26 1295.00 CEUX
GENMAB A/S 09-May-2025 10:05:47 AM 26 1295.00 XCSE
GENMAB A/S 09-May-2025 10:05:54 AM 28 1294.50 XCSE
GENMAB A/S 09-May-2025 10:05:54 AM 26 1294.00 XCSE
GENMAB A/S 09-May-2025 10:05:54 AM 25 1294.50 CEUX
GENMAB A/S 09-May-2025 10:05:54 AM 25 1294.00 CEUX
GENMAB A/S 09-May-2025 10:07:00 AM 32 1292.50 XCSE
GENMAB A/S 09-May-2025 10:07:00 AM 30 1292.50 CEUX
GENMAB A/S 09-May-2025 10:07:06 AM 29 1293.00 CEUX
GENMAB A/S 09-May-2025 10:07:36 AM 29 1292.50 XCSE
GENMAB A/S 09-May-2025 10:08:04 AM 25 1293.50 CEUX
102




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 10:08:12 AM 1 1296.00 CEUX
GENMAB A/S 09-May-2025 10:08:12 AM 25 1296.00 CEUX
GENMAB A/S 09-May-2025 10:09:22 AM 64 1298.00 XCSE
GENMAB A/S 09-May-2025 10:09:22 AM 29 1297.50 XCSE
GENMAB A/S 09-May-2025 10:09:22 AM 41 1297.50 XCSE
GENMAB A/S 09-May-2025 10:09:22 AM 12 1297.00 XCSE
GENMAB A/S 09-May-2025 10:09:22 AM 3 1297.00 XCSE
GENMAB A/S 09-May-2025 10:09:22 AM 29 1298.00 TQEX
GENMAB A/S 09-May-2025 10:09:22 AM 5 1297.50 TQEX
GENMAB A/S 09-May-2025 10:09:22 AM 5 1297.50 TQEX
GENMAB A/S 09-May-2025 10:09:22 AM 4 1297.50 TQEX
GENMAB A/S 09-May-2025 10:09:22 AM 31 1298.00 CEUX
GENMAB A/S 09-May-2025 10:09:22 AM 9 1297.00 CEUX
GENMAB A/S 09-May-2025 10:09:22 AM 4 1297.00 CEUX
GENMAB A/S 09-May-2025 10:09:22 AM 3 1297.00 CEUX
GENMAB A/S 09-May-2025 10:09:22 AM 4 1297.50 AQEU
GENMAB A/S 09-May-2025 10:09:22 AM 5 1297.50 AQEU
GENMAB A/S 09-May-2025 10:09:22 AM 9 1297.50 AQEU
GENMAB A/S 09-May-2025 10:09:22 AM 9 1297.50 AQEU
GENMAB A/S 09-May-2025 10:10:40 AM 30 1301.50 TQEX
GENMAB A/S 09-May-2025 10:10:40 AM 34 1301.50 CEUX
GENMAB A/S 09-May-2025 10:10:40 AM 26 1301.50 AQEU
GENMAB A/S 09-May-2025 10:10:41 AM 64 1301.00 XCSE
GENMAB A/S 09-May-2025 10:10:41 AM 62 1300.50 XCSE
GENMAB A/S 09-May-2025 10:10:41 AM 71 1300.00 XCSE
GENMAB A/S 09-May-2025 10:10:41 AM 35 1301.00 CEUX
GENMAB A/S 09-May-2025 10:11:17 AM 5 1299.50 XCSE
GENMAB A/S 09-May-2025 10:12:56 AM 41 1300.00 CEUX
GENMAB A/S 09-May-2025 10:13:27 AM 69 1300.00 XCSE
GENMAB A/S 09-May-2025 10:13:27 AM 35 1300.00 TQEX
GENMAB A/S 09-May-2025 10:13:27 AM 39 1300.00 CEUX
GENMAB A/S 09-May-2025 10:13:28 AM 28 1299.50 XCSE
GENMAB A/S 09-May-2025 10:13:28 AM 39 1299.50 CEUX
GENMAB A/S 09-May-2025 10:13:46 AM 53 1299.50 XCSE
GENMAB A/S 09-May-2025 10:13:46 AM 28 1299.00 XCSE
GENMAB A/S 09-May-2025 10:13:46 AM 26 1299.50 CEUX
GENMAB A/S 09-May-2025 10:13:47 AM 29 1298.50 XCSE
GENMAB A/S 09-May-2025 10:13:47 AM 4 1298.50 XCSE
GENMAB A/S 09-May-2025 10:13:47 AM 3 1298.50 XCSE
GENMAB A/S 09-May-2025 10:13:47 AM 21 1298.50 XCSE
GENMAB A/S 09-May-2025 10:15:27 AM 40 1300.00 XCSE
GENMAB A/S 09-May-2025 10:15:27 AM 14 1300.00 XCSE
103




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 10:15:27 AM 28 1300.00 CEUX
GENMAB A/S 09-May-2025 10:15:31 AM 42 1300.50 XCSE
GENMAB A/S 09-May-2025 10:15:31 AM 31 1300.50 AQEU
GENMAB A/S 09-May-2025 10:15:49 AM 25 1300.00 XCSE
GENMAB A/S 09-May-2025 10:15:49 AM 19 1300.00 CEUX
GENMAB A/S 09-May-2025 10:15:49 AM 6 1300.00 CEUX
GENMAB A/S 09-May-2025 10:15:57 AM 19 1299.50 CEUX
GENMAB A/S 09-May-2025 10:16:06 AM 52 1299.50 XCSE
GENMAB A/S 09-May-2025 10:16:29 AM 19 1299.00 CEUX
GENMAB A/S 09-May-2025 10:18:45 AM 25 1299.00 TQEX
GENMAB A/S 09-May-2025 10:18:45 AM 10 1299.00 CEUX
GENMAB A/S 09-May-2025 10:19:13 AM 30 1299.00 XCSE
GENMAB A/S 09-May-2025 10:19:16 AM 32 1298.50 XCSE
GENMAB A/S 09-May-2025 10:19:16 AM 19 1298.50 CEUX
GENMAB A/S 09-May-2025 10:19:16 AM 7 1298.50 CEUX
GENMAB A/S 09-May-2025 10:19:24 AM 19 1298.00 CEUX
GENMAB A/S 09-May-2025 10:20:12 AM 19 1298.50 CEUX
GENMAB A/S 09-May-2025 10:20:14 AM 54 1298.50 XCSE
GENMAB A/S 09-May-2025 10:20:19 AM 16 1298.50 CEUX
GENMAB A/S 09-May-2025 10:20:20 AM 22 1298.50 XCSE
GENMAB A/S 09-May-2025 10:20:20 AM 16 1298.50 CEUX
GENMAB A/S 09-May-2025 10:20:28 AM 19 1298.00 CEUX
GENMAB A/S 09-May-2025 10:20:36 AM 6 1298.00 CEUX
GENMAB A/S 09-May-2025 10:21:04 AM 9 1298.50 XCSE
GENMAB A/S 09-May-2025 10:21:07 AM 27 1298.50 XCSE
GENMAB A/S 09-May-2025 10:21:07 AM 18 1298.50 XCSE
GENMAB A/S 09-May-2025 10:21:08 AM 25 1298.50 XCSE
GENMAB A/S 09-May-2025 10:21:47 AM 54 1299.50 CEUX
GENMAB A/S 09-May-2025 10:23:01 AM 25 1299.50 TQEX
GENMAB A/S 09-May-2025 10:23:03 AM 79 1299.00 XCSE
GENMAB A/S 09-May-2025 10:23:03 AM 54 1299.00 CEUX
GENMAB A/S 09-May-2025 10:23:03 AM 33 1298.50 CEUX
GENMAB A/S 09-May-2025 10:23:06 AM 19 1298.50 XCSE
GENMAB A/S 09-May-2025 10:23:06 AM 60 1298.50 XCSE
GENMAB A/S 09-May-2025 10:23:06 AM 28 1298.50 CEUX
GENMAB A/S 09-May-2025 10:23:25 AM 20 1298.00 XCSE
GENMAB A/S 09-May-2025 10:23:25 AM 10 1298.00 XCSE
GENMAB A/S 09-May-2025 10:23:25 AM 36 1298.00 CEUX
GENMAB A/S 09-May-2025 10:25:24 AM 74 1299.00 XCSE
GENMAB A/S 09-May-2025 10:25:24 AM 32 1299.00 AQEU
GENMAB A/S 09-May-2025 10:25:40 AM 19 1298.50 CEUX
GENMAB A/S 09-May-2025 10:26:46 AM 76 1300.00 XCSE
104




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 10:28:53 AM 27 1300.00 XCSE
GENMAB A/S 09-May-2025 10:28:53 AM 8 1300.00 XCSE
GENMAB A/S 09-May-2025 10:28:53 AM 23 1300.00 XCSE
GENMAB A/S 09-May-2025 10:28:53 AM 89 1300.00 XCSE
GENMAB A/S 09-May-2025 10:28:53 AM 2 1300.00 XCSE
GENMAB A/S 09-May-2025 10:30:08 AM 77 1301.00 XCSE
GENMAB A/S 09-May-2025 10:30:08 AM 25 1301.00 TQEX
GENMAB A/S 09-May-2025 10:30:08 AM 77 1301.00 CEUX
GENMAB A/S 09-May-2025 10:30:08 AM 31 1301.00 AQEU
GENMAB A/S 09-May-2025 10:31:59 AM 19 1302.00 XCSE
GENMAB A/S 09-May-2025 10:31:59 AM 29 1302.00 XCSE
GENMAB A/S 09-May-2025 10:31:59 AM 14 1302.00 XCSE
GENMAB A/S 09-May-2025 10:31:59 AM 19 1302.00 XCSE
GENMAB A/S 09-May-2025 10:31:59 AM 42 1302.00 XCSE
GENMAB A/S 09-May-2025 10:32:02 AM 75 1301.00 XCSE
GENMAB A/S 09-May-2025 10:32:02 AM 76 1300.50 XCSE
GENMAB A/S 09-May-2025 10:32:02 AM 75 1300.00 XCSE
GENMAB A/S 09-May-2025 10:32:02 AM 25 1301.00 TQEX
GENMAB A/S 09-May-2025 10:32:02 AM 29 1300.50 TQEX
GENMAB A/S 09-May-2025 10:32:02 AM 80 1301.50 CEUX
GENMAB A/S 09-May-2025 10:32:02 AM 78 1301.00 CEUX
GENMAB A/S 09-May-2025 10:32:02 AM 77 1300.50 CEUX
GENMAB A/S 09-May-2025 10:32:02 AM 70 1300.00 CEUX
GENMAB A/S 09-May-2025 10:32:16 AM 38 1299.50 XCSE
GENMAB A/S 09-May-2025 10:32:17 AM 76 1299.00 XCSE
GENMAB A/S 09-May-2025 10:32:29 AM 29 1299.00 AQEU
GENMAB A/S 09-May-2025 10:32:43 AM 45 1298.50 XCSE
GENMAB A/S 09-May-2025 10:32:43 AM 19 1298.50 XCSE
GENMAB A/S 09-May-2025 10:33:17 AM 25 1299.50 XCSE
GENMAB A/S 09-May-2025 10:34:02 AM 27 1297.00 XCSE
GENMAB A/S 09-May-2025 10:34:02 AM 29 1296.50 XCSE
GENMAB A/S 09-May-2025 10:34:02 AM 36 1297.00 CEUX
GENMAB A/S 09-May-2025 10:34:02 AM 35 1296.50 CEUX
GENMAB A/S 09-May-2025 10:34:12 AM 28 1296.00 XCSE
GENMAB A/S 09-May-2025 10:34:32 AM 29 1295.00 XCSE
GENMAB A/S 09-May-2025 10:34:32 AM 27 1295.50 AQEU
GENMAB A/S 09-May-2025 10:34:36 AM 26 1294.50 XCSE
GENMAB A/S 09-May-2025 10:35:56 AM 19 1295.00 XCSE
GENMAB A/S 09-May-2025 10:35:57 AM 6 1295.00 XCSE
GENMAB A/S 09-May-2025 10:36:12 AM 18 1295.50 AQEU
GENMAB A/S 09-May-2025 10:36:39 AM 52 1296.00 XCSE
GENMAB A/S 09-May-2025 10:36:39 AM 27 1296.00 CEUX
105




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 10:38:16 AM 37 1295.50 CEUX
GENMAB A/S 09-May-2025 10:38:36 AM 37 1295.50 XCSE
GENMAB A/S 09-May-2025 10:38:50 AM 12 1295.00 CEUX
GENMAB A/S 09-May-2025 10:39:16 AM 42 1296.00 CEUX
GENMAB A/S 09-May-2025 10:39:40 AM 17 1295.50 XCSE
GENMAB A/S 09-May-2025 10:40:25 AM 56 1295.50 XCSE
GENMAB A/S 09-May-2025 10:40:25 AM 42 1295.50 CEUX
GENMAB A/S 09-May-2025 10:40:50 AM 19 1295.00 CEUX
GENMAB A/S 09-May-2025 10:41:01 AM 32 1295.50 CEUX
GENMAB A/S 09-May-2025 10:41:44 AM 80 1296.00 XCSE
GENMAB A/S 09-May-2025 10:41:44 AM 27 1296.00 CEUX
GENMAB A/S 09-May-2025 10:41:49 AM 74 1295.50 XCSE
GENMAB A/S 09-May-2025 10:41:49 AM 26 1295.50 CEUX
GENMAB A/S 09-May-2025 10:41:49 AM 25 1295.50 AQEU
GENMAB A/S 09-May-2025 10:42:15 AM 26 1296.00 CEUX
GENMAB A/S 09-May-2025 10:42:16 AM 25 1296.00 TQEX
GENMAB A/S 09-May-2025 10:44:25 AM 55 1295.50 XCSE
GENMAB A/S 09-May-2025 10:44:25 AM 26 1295.50 CEUX
GENMAB A/S 09-May-2025 10:44:47 AM 37 1296.00 CEUX
GENMAB A/S 09-May-2025 10:48:24 AM 18 1296.50 CEUX
GENMAB A/S 09-May-2025 10:48:36 AM 101 1297.00 XCSE
GENMAB A/S 09-May-2025 10:48:57 AM 9 1299.00 AQEU
GENMAB A/S 09-May-2025 10:48:57 AM 20 1299.00 AQEU
GENMAB A/S 09-May-2025 10:49:04 AM 11 1298.50 XCSE
GENMAB A/S 09-May-2025 10:49:20 AM 69 1298.50 XCSE
GENMAB A/S 09-May-2025 10:49:20 AM 1 1298.00 XCSE
GENMAB A/S 09-May-2025 10:49:20 AM 1 1298.00 XCSE
GENMAB A/S 09-May-2025 10:49:20 AM 25 1298.50 TQEX
GENMAB A/S 09-May-2025 10:49:20 AM 66 1298.50 CEUX
GENMAB A/S 09-May-2025 10:49:20 AM 51 1298.00 CEUX
GENMAB A/S 09-May-2025 10:49:21 AM 1 1298.00 XCSE
GENMAB A/S 09-May-2025 10:49:21 AM 74 1298.00 XCSE
GENMAB A/S 09-May-2025 10:49:27 AM 13 1298.00 CEUX
GENMAB A/S 09-May-2025 10:50:29 AM 32 1297.50 CEUX
GENMAB A/S 09-May-2025 10:51:04 AM 8 1298.00 XCSE
GENMAB A/S 09-May-2025 10:51:04 AM 67 1298.00 XCSE
GENMAB A/S 09-May-2025 10:52:02 AM 29 1297.50 CEUX
GENMAB A/S 09-May-2025 10:52:19 AM 54 1298.00 XCSE
GENMAB A/S 09-May-2025 10:52:19 AM 5 1298.00 XCSE
GENMAB A/S 09-May-2025 10:52:36 AM 44 1297.50 XCSE
GENMAB A/S 09-May-2025 10:52:36 AM 34 1297.50 XCSE
GENMAB A/S 09-May-2025 10:52:48 AM 78 1297.00 XCSE
106




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 10:52:48 AM 15 1297.00 CEUX
GENMAB A/S 09-May-2025 10:52:48 AM 15 1297.00 CEUX
GENMAB A/S 09-May-2025 10:53:01 AM 19 1296.50 CEUX
GENMAB A/S 09-May-2025 10:53:22 AM 19 1297.00 CEUX
GENMAB A/S 09-May-2025 10:53:44 AM 19 1297.00 CEUX
GENMAB A/S 09-May-2025 10:53:57 AM 10 1297.00 CEUX
GENMAB A/S 09-May-2025 10:54:40 AM 2 1297.50 XCSE
GENMAB A/S 09-May-2025 10:54:40 AM 2 1297.50 XCSE
GENMAB A/S 09-May-2025 10:54:40 AM 31 1297.50 CEUX
GENMAB A/S 09-May-2025 10:55:28 AM 1 1297.50 XCSE
GENMAB A/S 09-May-2025 10:55:44 AM 74 1297.50 XCSE
GENMAB A/S 09-May-2025 10:55:44 AM 25 1297.50 TQEX
GENMAB A/S 09-May-2025 10:55:44 AM 10 1297.50 CEUX
GENMAB A/S 09-May-2025 10:56:49 AM 5 1298.00 XCSE
GENMAB A/S 09-May-2025 10:56:49 AM 36 1298.00 XCSE
GENMAB A/S 09-May-2025 10:57:19 AM 10 1298.00 XCSE
GENMAB A/S 09-May-2025 10:57:19 AM 10 1298.00 XCSE
GENMAB A/S 09-May-2025 10:57:19 AM 18 1298.00 XCSE
GENMAB A/S 09-May-2025 10:57:19 AM 83 1298.00 XCSE
GENMAB A/S 09-May-2025 10:57:29 AM 75 1297.00 XCSE
GENMAB A/S 09-May-2025 10:57:29 AM 45 1297.00 CEUX
GENMAB A/S 09-May-2025 10:57:29 AM 28 1297.00 AQEU
GENMAB A/S 09-May-2025 10:59:06 AM 69 1297.50 CEUX
GENMAB A/S 09-May-2025 11:00:09 AM 63 1297.50 XCSE
GENMAB A/S 09-May-2025 11:00:09 AM 9 1297.50 XCSE
GENMAB A/S 09-May-2025 11:00:09 AM 1 1297.50 XCSE
GENMAB A/S 09-May-2025 11:00:53 AM 59 1298.00 CEUX
GENMAB A/S 09-May-2025 11:01:23 AM 18 1299.00 XCSE
GENMAB A/S 09-May-2025 11:01:32 AM 45 1298.50 XCSE
GENMAB A/S 09-May-2025 11:01:32 AM 26 1298.50 TQEX
GENMAB A/S 09-May-2025 11:03:11 AM 2 1299.00 XCSE
GENMAB A/S 09-May-2025 11:03:11 AM 1 1299.00 XCSE
GENMAB A/S 09-May-2025 11:03:11 AM 74 1299.00 XCSE
GENMAB A/S 09-May-2025 11:03:11 AM 60 1299.00 XCSE
GENMAB A/S 09-May-2025 11:03:11 AM 19 1299.00 XCSE
GENMAB A/S 09-May-2025 11:03:11 AM 25 1299.00 AQEU
GENMAB A/S 09-May-2025 11:04:19 AM 30 1299.50 XCSE
GENMAB A/S 09-May-2025 11:04:19 AM 10 1299.50 XCSE
GENMAB A/S 09-May-2025 11:04:47 AM 80 1299.00 XCSE
GENMAB A/S 09-May-2025 11:04:47 AM 76 1299.00 CEUX
GENMAB A/S 09-May-2025 11:07:07 AM 9 1302.50 XCSE
GENMAB A/S 09-May-2025 11:07:14 AM 76 1303.00 XCSE
107




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 11:07:14 AM 19 1303.00 CEUX
GENMAB A/S 09-May-2025 11:07:14 AM 61 1303.00 CEUX
GENMAB A/S 09-May-2025 11:07:19 AM 20 1303.00 XCSE
GENMAB A/S 09-May-2025 11:07:42 AM 80 1303.50 CEUX
GENMAB A/S 09-May-2025 11:08:07 AM 20 1304.00 XCSE
GENMAB A/S 09-May-2025 11:08:07 AM 56 1304.00 XCSE
GENMAB A/S 09-May-2025 11:08:31 AM 25 1304.50 AQEU
GENMAB A/S 09-May-2025 11:08:32 AM 33 1304.00 XCSE
GENMAB A/S 09-May-2025 11:08:32 AM 44 1304.00 XCSE
GENMAB A/S 09-May-2025 11:08:32 AM 64 1304.00 CEUX
GENMAB A/S 09-May-2025 11:08:45 AM 78 1303.50 XCSE
GENMAB A/S 09-May-2025 11:09:22 AM 78 1303.00 XCSE
GENMAB A/S 09-May-2025 11:09:22 AM 42 1303.50 CEUX
GENMAB A/S 09-May-2025 11:09:22 AM 76 1303.00 CEUX
GENMAB A/S 09-May-2025 11:11:09 AM 76 1303.50 XCSE
GENMAB A/S 09-May-2025 11:11:09 AM 15 1303.50 CEUX
GENMAB A/S 09-May-2025 11:11:09 AM 20 1303.50 CEUX
GENMAB A/S 09-May-2025 11:11:22 AM 80 1303.00 XCSE
GENMAB A/S 09-May-2025 11:11:22 AM 77 1302.50 XCSE
GENMAB A/S 09-May-2025 11:11:22 AM 19 1302.00 XCSE
GENMAB A/S 09-May-2025 11:11:22 AM 57 1302.00 XCSE
GENMAB A/S 09-May-2025 11:11:22 AM 25 1303.00 TQEX
GENMAB A/S 09-May-2025 11:11:22 AM 42 1303.00 CEUX
GENMAB A/S 09-May-2025 11:11:22 AM 57 1302.50 CEUX
GENMAB A/S 09-May-2025 11:11:22 AM 26 1303.00 AQEU
GENMAB A/S 09-May-2025 11:13:07 AM 3 1303.00 XCSE
GENMAB A/S 09-May-2025 11:13:07 AM 3 1303.00 XCSE
GENMAB A/S 09-May-2025 11:13:07 AM 19 1303.00 XCSE
GENMAB A/S 09-May-2025 11:13:07 AM 42 1303.00 XCSE
GENMAB A/S 09-May-2025 11:13:12 AM 54 1302.50 XCSE
GENMAB A/S 09-May-2025 11:13:12 AM 1 1302.00 XCSE
GENMAB A/S 09-May-2025 11:13:12 AM 1 1302.00 XCSE
GENMAB A/S 09-May-2025 11:13:12 AM 25 1302.00 XCSE
GENMAB A/S 09-May-2025 11:13:12 AM 25 1302.50 CEUX
GENMAB A/S 09-May-2025 11:13:12 AM 25 1302.00 CEUX
GENMAB A/S 09-May-2025 11:13:16 AM 1 1301.50 XCSE
GENMAB A/S 09-May-2025 11:13:38 AM 61 1301.50 XCSE
GENMAB A/S 09-May-2025 11:16:12 AM 4 1302.00 XCSE
GENMAB A/S 09-May-2025 11:16:12 AM 73 1302.00 XCSE
GENMAB A/S 09-May-2025 11:16:12 AM 49 1302.00 CEUX
GENMAB A/S 09-May-2025 11:16:14 AM 16 1301.50 CEUX
GENMAB A/S 09-May-2025 11:16:15 AM 75 1301.50 XCSE
108




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 11:16:15 AM 46 1301.00 XCSE
GENMAB A/S 09-May-2025 11:16:15 AM 61 1300.50 XCSE
GENMAB A/S 09-May-2025 11:16:15 AM 32 1301.50 CEUX
GENMAB A/S 09-May-2025 11:16:15 AM 52 1301.00 CEUX
GENMAB A/S 09-May-2025 11:16:15 AM 25 1301.50 AQEU
GENMAB A/S 09-May-2025 11:16:15 AM 25 1301.00 AQEU
GENMAB A/S 09-May-2025 11:18:05 AM 33 1301.00 CEUX
GENMAB A/S 09-May-2025 11:18:24 AM 32 1301.00 XCSE
GENMAB A/S 09-May-2025 11:18:24 AM 25 1301.00 TQEX
GENMAB A/S 09-May-2025 11:19:05 AM 42 1301.50 XCSE
GENMAB A/S 09-May-2025 11:22:33 AM 79 1303.00 XCSE
GENMAB A/S 09-May-2025 11:26:52 AM 30 1303.00 XCSE
GENMAB A/S 09-May-2025 11:26:52 AM 19 1303.00 XCSE
GENMAB A/S 09-May-2025 11:26:52 AM 26 1303.00 XCSE
GENMAB A/S 09-May-2025 11:27:40 AM 19 1304.00 CEUX
GENMAB A/S 09-May-2025 11:27:40 AM 55 1304.00 CEUX
GENMAB A/S 09-May-2025 11:27:59 AM 1 1304.50 XCSE
GENMAB A/S 09-May-2025 11:27:59 AM 20 1304.50 XCSE
GENMAB A/S 09-May-2025 11:27:59 AM 30 1304.50 XCSE
GENMAB A/S 09-May-2025 11:28:34 AM 78 1304.00 XCSE
GENMAB A/S 09-May-2025 11:28:34 AM 25 1304.00 TQEX
GENMAB A/S 09-May-2025 11:28:51 AM 19 1303.50 CEUX
GENMAB A/S 09-May-2025 11:29:07 AM 77 1304.50 XCSE
GENMAB A/S 09-May-2025 11:29:07 AM 75 1304.50 CEUX
GENMAB A/S 09-May-2025 11:29:55 AM 25 1304.00 AQEU
GENMAB A/S 09-May-2025 11:29:55 AM 77 1304.00 CEUX
GENMAB A/S 09-May-2025 11:30:05 AM 74 1304.00 XCSE
GENMAB A/S 09-May-2025 11:30:15 AM 74 1303.50 XCSE
GENMAB A/S 09-May-2025 11:30:15 AM 25 1303.50 TQEX
GENMAB A/S 09-May-2025 11:30:15 AM 60 1303.50 CEUX
GENMAB A/S 09-May-2025 11:32:06 AM 74 1304.50 XCSE
GENMAB A/S 09-May-2025 11:32:06 AM 55 1304.50 CEUX
GENMAB A/S 09-May-2025 11:33:01 AM 61 1304.50 CEUX
GENMAB A/S 09-May-2025 11:33:52 AM 2 1304.00 XCSE
GENMAB A/S 09-May-2025 11:33:52 AM 77 1304.00 XCSE
GENMAB A/S 09-May-2025 11:33:52 AM 50 1303.50 XCSE
GENMAB A/S 09-May-2025 11:33:52 AM 28 1303.50 XCSE
GENMAB A/S 09-May-2025 11:33:52 AM 50 1304.00 CEUX
GENMAB A/S 09-May-2025 11:33:52 AM 53 1303.50 CEUX
GENMAB A/S 09-May-2025 11:33:53 AM 77 1303.00 XCSE
GENMAB A/S 09-May-2025 11:34:00 AM 1 1302.50 XCSE
GENMAB A/S 09-May-2025 11:34:00 AM 73 1302.50 XCSE
109




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 11:34:00 AM 20 1302.00 XCSE
GENMAB A/S 09-May-2025 11:34:00 AM 60 1302.00 XCSE
GENMAB A/S 09-May-2025 11:34:39 AM 19 1304.00 XCSE
GENMAB A/S 09-May-2025 11:34:41 AM 7 1304.00 XCSE
GENMAB A/S 09-May-2025 11:36:01 AM 51 1304.00 XCSE
GENMAB A/S 09-May-2025 11:36:15 AM 26 1303.50 XCSE
GENMAB A/S 09-May-2025 11:36:15 AM 28 1303.50 CEUX
GENMAB A/S 09-May-2025 11:36:15 AM 6 1303.50 CEUX
GENMAB A/S 09-May-2025 11:38:16 AM 26 1303.00 CEUX
GENMAB A/S 09-May-2025 11:39:11 AM 38 1303.50 CEUX
GENMAB A/S 09-May-2025 11:39:52 AM 19 1303.50 XCSE
GENMAB A/S 09-May-2025 11:39:52 AM 43 1303.50 XCSE
GENMAB A/S 09-May-2025 11:39:52 AM 7 1303.50 CEUX
GENMAB A/S 09-May-2025 11:42:44 AM 30 1303.00 XCSE
GENMAB A/S 09-May-2025 11:42:44 AM 25 1303.50 AQEU
GENMAB A/S 09-May-2025 11:42:44 AM 25 1303.50 TQEX
GENMAB A/S 09-May-2025 11:42:44 AM 37 1303.00 CEUX
GENMAB A/S 09-May-2025 11:42:44 AM 13 1303.00 CEUX
GENMAB A/S 09-May-2025 11:42:47 AM 31 1302.50 XCSE
GENMAB A/S 09-May-2025 11:42:47 AM 25 1302.50 AQEU
GENMAB A/S 09-May-2025 11:42:47 AM 32 1302.50 CEUX
GENMAB A/S 09-May-2025 11:42:49 AM 80 1302.00 XCSE
GENMAB A/S 09-May-2025 11:42:49 AM 32 1302.00 CEUX
GENMAB A/S 09-May-2025 11:42:49 AM 8 1302.00 CEUX
GENMAB A/S 09-May-2025 11:43:49 AM 2 1302.50 XCSE
GENMAB A/S 09-May-2025 11:43:49 AM 2 1302.50 XCSE
GENMAB A/S 09-May-2025 11:43:49 AM 76 1302.50 XCSE
GENMAB A/S 09-May-2025 11:44:06 AM 25 1302.50 TQEX
GENMAB A/S 09-May-2025 11:45:28 AM 12 1302.50 CEUX
GENMAB A/S 09-May-2025 11:45:43 AM 80 1302.50 XCSE
GENMAB A/S 09-May-2025 11:45:43 AM 19 1302.50 CEUX
GENMAB A/S 09-May-2025 11:45:43 AM 34 1302.50 CEUX
GENMAB A/S 09-May-2025 11:45:46 AM 76 1302.00 XCSE
GENMAB A/S 09-May-2025 11:45:46 AM 30 1302.00 CEUX
GENMAB A/S 09-May-2025 11:45:46 AM 7 1302.00 CEUX
GENMAB A/S 09-May-2025 11:47:23 AM 19 1301.50 CEUX
GENMAB A/S 09-May-2025 11:49:18 AM 74 1307.00 XCSE
GENMAB A/S 09-May-2025 11:49:18 AM 77 1306.50 XCSE
GENMAB A/S 09-May-2025 11:49:18 AM 55 1307.00 CEUX
GENMAB A/S 09-May-2025 11:49:18 AM 59 1306.50 CEUX
GENMAB A/S 09-May-2025 11:49:20 AM 77 1306.00 XCSE
GENMAB A/S 09-May-2025 11:49:20 AM 1 1306.00 CEUX
110




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 11:49:20 AM 50 1306.00 CEUX
GENMAB A/S 09-May-2025 11:51:20 AM 80 1305.50 XCSE
GENMAB A/S 09-May-2025 11:52:10 AM 49 1305.00 XCSE
GENMAB A/S 09-May-2025 11:52:10 AM 26 1305.00 AQEU
GENMAB A/S 09-May-2025 11:52:10 AM 25 1305.00 TQEX
GENMAB A/S 09-May-2025 11:52:10 AM 33 1305.00 CEUX
GENMAB A/S 09-May-2025 11:52:17 AM 28 1304.50 XCSE
GENMAB A/S 09-May-2025 11:52:17 AM 31 1304.50 CEUX
GENMAB A/S 09-May-2025 11:53:01 AM 2 1304.00 XCSE
GENMAB A/S 09-May-2025 11:53:01 AM 1 1304.00 XCSE
GENMAB A/S 09-May-2025 11:53:01 AM 29 1304.00 XCSE
GENMAB A/S 09-May-2025 11:53:01 AM 1 1304.00 XCSE
GENMAB A/S 09-May-2025 11:53:01 AM 25 1304.00 CEUX
GENMAB A/S 09-May-2025 11:53:08 AM 13 1304.00 XCSE
GENMAB A/S 09-May-2025 11:53:52 AM 53 1304.50 XCSE
GENMAB A/S 09-May-2025 11:53:52 AM 44 1304.00 XCSE
GENMAB A/S 09-May-2025 11:53:52 AM 28 1305.00 CEUX
GENMAB A/S 09-May-2025 11:55:19 AM 37 1306.00 XCSE
GENMAB A/S 09-May-2025 11:55:19 AM 25 1306.00 CEUX
GENMAB A/S 09-May-2025 11:55:29 AM 27 1305.50 XCSE
GENMAB A/S 09-May-2025 11:55:29 AM 7 1305.50 XCSE
GENMAB A/S 09-May-2025 11:57:14 AM 37 1305.50 XCSE
GENMAB A/S 09-May-2025 11:57:14 AM 25 1305.50 CEUX
GENMAB A/S 09-May-2025 12:00:10 PM 78 1306.00 XCSE
GENMAB A/S 09-May-2025 12:00:10 PM 30 1306.00 CEUX
GENMAB A/S 09-May-2025 12:00:43 PM 25 1307.00 AQEU
GENMAB A/S 09-May-2025 12:00:43 PM 21 1307.00 TQEX
GENMAB A/S 09-May-2025 12:00:43 PM 4 1307.00 TQEX
GENMAB A/S 09-May-2025 12:00:43 PM 43 1307.00 CEUX
GENMAB A/S 09-May-2025 12:00:50 PM 71 1306.50 XCSE
GENMAB A/S 09-May-2025 12:00:50 PM 44 1306.50 CEUX
GENMAB A/S 09-May-2025 12:00:51 PM 64 1306.00 XCSE
GENMAB A/S 09-May-2025 12:00:51 PM 5 1306.00 XCSE
GENMAB A/S 09-May-2025 12:01:20 PM 55 1305.50 XCSE
GENMAB A/S 09-May-2025 12:01:20 PM 40 1305.00 XCSE
GENMAB A/S 09-May-2025 12:01:20 PM 25 1305.00 CEUX
GENMAB A/S 09-May-2025 12:01:20 PM 25 1304.50 CEUX
GENMAB A/S 09-May-2025 12:02:27 PM 25 1304.00 XCSE
GENMAB A/S 09-May-2025 12:02:27 PM 26 1304.00 CEUX
GENMAB A/S 09-May-2025 12:02:40 PM 25 1303.50 XCSE
GENMAB A/S 09-May-2025 12:03:51 PM 19 1303.50 CEUX
GENMAB A/S 09-May-2025 12:04:05 PM 2 1303.50 XCSE
111




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 12:04:05 PM 2 1303.50 XCSE
GENMAB A/S 09-May-2025 12:04:15 PM 1 1303.50 XCSE
GENMAB A/S 09-May-2025 12:04:18 PM 20 1303.50 XCSE
GENMAB A/S 09-May-2025 12:04:32 PM 28 1303.00 XCSE
GENMAB A/S 09-May-2025 12:04:32 PM 16 1303.00 CEUX
GENMAB A/S 09-May-2025 12:04:32 PM 10 1303.00 CEUX
GENMAB A/S 09-May-2025 12:04:33 PM 25 1302.50 XCSE
GENMAB A/S 09-May-2025 12:04:45 PM 26 1302.00 XCSE
GENMAB A/S 09-May-2025 12:04:59 PM 19 1302.00 CEUX
GENMAB A/S 09-May-2025 12:05:24 PM 26 1303.50 XCSE
GENMAB A/S 09-May-2025 12:05:25 PM 25 1303.00 XCSE
GENMAB A/S 09-May-2025 12:07:58 PM 5 1303.00 XCSE
GENMAB A/S 09-May-2025 12:09:30 PM 71 1304.00 XCSE
GENMAB A/S 09-May-2025 12:09:30 PM 77 1303.50 XCSE
GENMAB A/S 09-May-2025 12:09:30 PM 26 1304.00 AQEU
GENMAB A/S 09-May-2025 12:09:30 PM 25 1304.00 TQEX
GENMAB A/S 09-May-2025 12:09:30 PM 21 1303.50 CEUX
GENMAB A/S 09-May-2025 12:09:30 PM 35 1303.50 CEUX
GENMAB A/S 09-May-2025 12:09:52 PM 20 1303.00 XCSE
GENMAB A/S 09-May-2025 12:09:52 PM 36 1303.00 CEUX
GENMAB A/S 09-May-2025 12:09:58 PM 28 1302.50 XCSE
GENMAB A/S 09-May-2025 12:09:58 PM 28 1302.50 CEUX
GENMAB A/S 09-May-2025 12:10:59 PM 35 1303.00 XCSE
GENMAB A/S 09-May-2025 12:10:59 PM 31 1302.50 XCSE
GENMAB A/S 09-May-2025 12:10:59 PM 29 1303.00 CEUX
GENMAB A/S 09-May-2025 12:10:59 PM 25 1302.50 CEUX
GENMAB A/S 09-May-2025 12:12:01 PM 22 1304.00 CEUX
GENMAB A/S 09-May-2025 12:12:31 PM 27 1304.00 CEUX
GENMAB A/S 09-May-2025 12:13:29 PM 2 1303.50 XCSE
GENMAB A/S 09-May-2025 12:13:29 PM 2 1303.50 XCSE
GENMAB A/S 09-May-2025 12:13:29 PM 32 1303.50 XCSE
GENMAB A/S 09-May-2025 12:14:00 PM 1 1303.00 XCSE
GENMAB A/S 09-May-2025 12:14:00 PM 36 1303.00 XCSE
GENMAB A/S 09-May-2025 12:14:00 PM 25 1303.00 CEUX
GENMAB A/S 09-May-2025 12:17:15 PM 25 1303.00 TQEX
GENMAB A/S 09-May-2025 12:17:20 PM 19 1302.50 XCSE
GENMAB A/S 09-May-2025 12:17:22 PM 9 1302.50 XCSE
GENMAB A/S 09-May-2025 12:17:22 PM 26 1302.50 CEUX
GENMAB A/S 09-May-2025 12:17:32 PM 51 1302.00 XCSE
GENMAB A/S 09-May-2025 12:17:32 PM 16 1302.00 CEUX
GENMAB A/S 09-May-2025 12:17:32 PM 12 1302.00 CEUX
112




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 12:17:50 PM 61 1301.50 XCSE
GENMAB A/S 09-May-2025 12:17:50 PM 75 1301.00 XCSE
GENMAB A/S 09-May-2025 12:17:50 PM 75 1300.50 XCSE
GENMAB A/S 09-May-2025 12:17:50 PM 26 1301.50 CEUX
GENMAB A/S 09-May-2025 12:17:50 PM 40 1301.00 CEUX
GENMAB A/S 09-May-2025 12:17:53 PM 4 1300.50 XCSE
GENMAB A/S 09-May-2025 12:17:56 PM 55 1300.00 XCSE
GENMAB A/S 09-May-2025 12:18:44 PM 19 1300.50 CEUX
GENMAB A/S 09-May-2025 12:18:44 PM 12 1300.50 CEUX
GENMAB A/S 09-May-2025 12:19:08 PM 19 1299.00 CEUX
GENMAB A/S 09-May-2025 12:19:20 PM 27 1299.00 XCSE
GENMAB A/S 09-May-2025 12:19:27 PM 24 1298.50 XCSE
GENMAB A/S 09-May-2025 12:19:27 PM 3 1298.50 XCSE
GENMAB A/S 09-May-2025 12:20:08 PM 26 1296.00 XCSE
GENMAB A/S 09-May-2025 12:20:08 PM 19 1296.00 CEUX
GENMAB A/S 09-May-2025 12:20:08 PM 8 1296.00 CEUX
GENMAB A/S 09-May-2025 12:21:09 PM 19 1295.00 CEUX
GENMAB A/S 09-May-2025 12:21:18 PM 25 1295.50 XCSE
GENMAB A/S 09-May-2025 12:21:33 PM 19 1295.00 AQEU
GENMAB A/S 09-May-2025 12:21:54 PM 28 1295.50 XCSE
GENMAB A/S 09-May-2025 12:21:54 PM 26 1295.00 XCSE
GENMAB A/S 09-May-2025 12:21:54 PM 25 1295.50 AQEU
GENMAB A/S 09-May-2025 12:21:54 PM 37 1295.50 CEUX
GENMAB A/S 09-May-2025 12:21:56 PM 29 1294.50 XCSE
GENMAB A/S 09-May-2025 12:21:56 PM 25 1294.50 TQEX
GENMAB A/S 09-May-2025 12:22:21 PM 26 1296.50 XCSE
GENMAB A/S 09-May-2025 12:22:21 PM 20 1296.50 CEUX
GENMAB A/S 09-May-2025 12:22:21 PM 8 1296.50 CEUX
GENMAB A/S 09-May-2025 12:23:35 PM 27 1295.50 XCSE
GENMAB A/S 09-May-2025 12:23:35 PM 29 1295.50 CEUX
GENMAB A/S 09-May-2025 12:23:41 PM 29 1295.00 XCSE
GENMAB A/S 09-May-2025 12:24:06 PM 29 1294.00 XCSE
GENMAB A/S 09-May-2025 12:24:25 PM 26 1293.50 CEUX
GENMAB A/S 09-May-2025 12:25:18 PM 9 1295.00 XCSE
GENMAB A/S 09-May-2025 12:26:38 PM 17 1295.00 XCSE
GENMAB A/S 09-May-2025 12:27:31 PM 18 1295.50 XCSE
GENMAB A/S 09-May-2025 12:27:31 PM 22 1295.50 XCSE
GENMAB A/S 09-May-2025 12:27:31 PM 42 1295.50 CEUX
GENMAB A/S 09-May-2025 12:27:37 PM 20 1295.50 XCSE
GENMAB A/S 09-May-2025 12:27:56 PM 65 1295.00 XCSE
GENMAB A/S 09-May-2025 12:27:57 PM 41 1295.00 CEUX
GENMAB A/S 09-May-2025 12:28:19 PM 15 1294.50 XCSE
113




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 12:29:24 PM 11 1294.50 XCSE
GENMAB A/S 09-May-2025 12:29:24 PM 25 1294.50 TQEX
GENMAB A/S 09-May-2025 12:29:24 PM 25 1295.00 AQEU
GENMAB A/S 09-May-2025 12:29:24 PM 36 1294.50 CEUX
GENMAB A/S 09-May-2025 12:30:13 PM 16 1294.50 XCSE
GENMAB A/S 09-May-2025 12:30:47 PM 55 1299.00 XCSE
GENMAB A/S 09-May-2025 12:30:48 PM 37 1299.50 CEUX
GENMAB A/S 09-May-2025 12:31:14 PM 52 1300.00 XCSE
GENMAB A/S 09-May-2025 12:31:14 PM 47 1299.50 XCSE
GENMAB A/S 09-May-2025 12:31:14 PM 43 1299.00 XCSE
GENMAB A/S 09-May-2025 12:31:14 PM 25 1299.50 CEUX
GENMAB A/S 09-May-2025 12:33:30 PM 31 1297.00 XCSE
GENMAB A/S 09-May-2025 12:33:30 PM 3 1296.50 XCSE
GENMAB A/S 09-May-2025 12:33:30 PM 25 1297.00 CEUX
GENMAB A/S 09-May-2025 12:33:33 PM 27 1296.50 XCSE
GENMAB A/S 09-May-2025 12:33:33 PM 25 1296.50 CEUX
GENMAB A/S 09-May-2025 12:34:24 PM 28 1296.00 XCSE
GENMAB A/S 09-May-2025 12:34:24 PM 25 1296.00 CEUX
GENMAB A/S 09-May-2025 12:37:37 PM 25 1296.00 TQEX
GENMAB A/S 09-May-2025 12:37:37 PM 49 1296.00 CEUX
GENMAB A/S 09-May-2025 12:37:38 PM 69 1296.00 XCSE
GENMAB A/S 09-May-2025 12:37:39 PM 11 1296.00 XCSE
GENMAB A/S 09-May-2025 12:38:57 PM 75 1297.00 XCSE
GENMAB A/S 09-May-2025 12:38:57 PM 43 1297.00 CEUX
GENMAB A/S 09-May-2025 12:38:57 PM 12 1296.50 CEUX
GENMAB A/S 09-May-2025 12:40:01 PM 38 1300.00 CEUX
GENMAB A/S 09-May-2025 12:40:50 PM 15 1300.00 XCSE
GENMAB A/S 09-May-2025 12:41:00 PM 32 1302.00 CEUX
GENMAB A/S 09-May-2025 12:41:09 PM 36 1302.50 XCSE
GENMAB A/S 09-May-2025 12:41:09 PM 41 1302.50 XCSE
GENMAB A/S 09-May-2025 12:42:05 PM 33 1302.50 XCSE
GENMAB A/S 09-May-2025 12:42:05 PM 25 1302.50 AQEU
GENMAB A/S 09-May-2025 12:42:14 PM 15 1302.00 XCSE
GENMAB A/S 09-May-2025 12:42:38 PM 64 1302.00 XCSE
GENMAB A/S 09-May-2025 12:42:38 PM 26 1302.00 CEUX
GENMAB A/S 09-May-2025 12:44:12 PM 2 1301.50 XCSE
GENMAB A/S 09-May-2025 12:44:12 PM 77 1301.50 XCSE
GENMAB A/S 09-May-2025 12:44:12 PM 1 1301.00 XCSE
GENMAB A/S 09-May-2025 12:44:12 PM 22 1301.00 XCSE
GENMAB A/S 09-May-2025 12:44:12 PM 28 1301.00 XCSE
GENMAB A/S 09-May-2025 12:44:12 PM 25 1301.50 AQEU
GENMAB A/S 09-May-2025 12:44:12 PM 32 1301.50 CEUX
114




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 12:44:12 PM 1 1301.00 CEUX
GENMAB A/S 09-May-2025 12:44:22 PM 19 1301.00 CEUX
GENMAB A/S 09-May-2025 12:45:09 PM 13 1301.00 CEUX
GENMAB A/S 09-May-2025 12:45:30 PM 44 1301.00 XCSE
GENMAB A/S 09-May-2025 12:45:30 PM 25 1301.00 TQEX
GENMAB A/S 09-May-2025 12:45:32 PM 26 1300.50 XCSE
GENMAB A/S 09-May-2025 12:45:58 PM 39 1301.00 XCSE
GENMAB A/S 09-May-2025 12:45:58 PM 7 1301.00 CEUX
GENMAB A/S 09-May-2025 12:45:58 PM 25 1301.00 CEUX
GENMAB A/S 09-May-2025 12:47:09 PM 18 1301.00 CEUX
GENMAB A/S 09-May-2025 12:47:37 PM 8 1301.00 XCSE
GENMAB A/S 09-May-2025 12:47:48 PM 12 1301.00 XCSE
GENMAB A/S 09-May-2025 12:47:58 PM 6 1301.00 XCSE
GENMAB A/S 09-May-2025 12:47:58 PM 35 1301.00 XCSE
GENMAB A/S 09-May-2025 12:47:59 PM 47 1300.50 XCSE
GENMAB A/S 09-May-2025 12:47:59 PM 30 1300.50 CEUX
GENMAB A/S 09-May-2025 12:48:05 PM 47 1300.00 XCSE
GENMAB A/S 09-May-2025 12:48:05 PM 37 1300.00 CEUX
GENMAB A/S 09-May-2025 12:48:09 PM 19 1299.50 CEUX
GENMAB A/S 09-May-2025 12:48:09 PM 21 1299.50 CEUX
GENMAB A/S 09-May-2025 12:48:39 PM 25 1297.50 XCSE
GENMAB A/S 09-May-2025 12:48:39 PM 32 1297.50 CEUX
GENMAB A/S 09-May-2025 12:48:42 PM 19 1297.00 XCSE
GENMAB A/S 09-May-2025 12:48:42 PM 6 1297.00 XCSE
GENMAB A/S 09-May-2025 12:49:18 PM 25 1296.50 XCSE
GENMAB A/S 09-May-2025 12:51:11 PM 6 1295.50 CEUX
GENMAB A/S 09-May-2025 12:51:47 PM 21 1296.00 CEUX
GENMAB A/S 09-May-2025 12:51:58 PM 25 1297.00 TQEX
GENMAB A/S 09-May-2025 12:52:05 PM 27 1297.00 AQEU
GENMAB A/S 09-May-2025 12:52:10 PM 66 1296.50 XCSE
GENMAB A/S 09-May-2025 12:52:10 PM 30 1296.50 CEUX
GENMAB A/S 09-May-2025 12:52:11 PM 64 1296.00 XCSE
GENMAB A/S 09-May-2025 12:52:11 PM 17 1296.00 CEUX
GENMAB A/S 09-May-2025 12:52:17 PM 28 1295.50 XCSE
GENMAB A/S 09-May-2025 12:52:17 PM 19 1295.50 CEUX
GENMAB A/S 09-May-2025 12:52:17 PM 2 1295.50 CEUX
GENMAB A/S 09-May-2025 12:52:25 PM 19 1295.50 XCSE
GENMAB A/S 09-May-2025 12:52:25 PM 16 1295.50 XCSE
GENMAB A/S 09-May-2025 12:53:03 PM 2 1296.00 CEUX
GENMAB A/S 09-May-2025 12:53:03 PM 2 1296.00 CEUX
GENMAB A/S 09-May-2025 12:53:15 PM 1 1296.00 XCSE
GENMAB A/S 09-May-2025 12:53:27 PM 28 1296.00 XCSE
115




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 12:53:27 PM 16 1295.50 XCSE
GENMAB A/S 09-May-2025 12:53:27 PM 30 1296.00 CEUX
GENMAB A/S 09-May-2025 12:55:36 PM 29 1296.50 XCSE
GENMAB A/S 09-May-2025 12:55:36 PM 5 1296.00 XCSE
GENMAB A/S 09-May-2025 12:55:36 PM 41 1296.50 CEUX
GENMAB A/S 09-May-2025 12:55:37 PM 26 1296.00 XCSE
GENMAB A/S 09-May-2025 12:55:37 PM 30 1296.00 CEUX
GENMAB A/S 09-May-2025 12:58:04 PM 25 1296.00 AQEU
GENMAB A/S 09-May-2025 12:58:04 PM 41 1296.00 CEUX
GENMAB A/S 09-May-2025 12:58:41 PM 20 1295.50 CEUX
GENMAB A/S 09-May-2025 12:59:45 PM 32 1295.50 XCSE
GENMAB A/S 09-May-2025 12:59:45 PM 37 1295.00 XCSE
GENMAB A/S 09-May-2025 12:59:45 PM 48 1294.50 XCSE
GENMAB A/S 09-May-2025 12:59:45 PM 19 1294.00 XCSE
GENMAB A/S 09-May-2025 12:59:45 PM 25 1295.50 TQEX
GENMAB A/S 09-May-2025 12:59:45 PM 17 1295.50 CEUX
GENMAB A/S 09-May-2025 12:59:45 PM 34 1295.00 CEUX
GENMAB A/S 09-May-2025 12:59:45 PM 35 1294.50 CEUX
GENMAB A/S 09-May-2025 13:00:04 PM 23 1294.00 XCSE
GENMAB A/S 09-May-2025 13:00:04 PM 36 1294.00 XCSE
GENMAB A/S 09-May-2025 13:00:18 PM 2 1293.50 XCSE
GENMAB A/S 09-May-2025 13:00:18 PM 31 1294.00 CEUX
GENMAB A/S 09-May-2025 13:00:22 PM 72 1293.50 XCSE
GENMAB A/S 09-May-2025 13:01:02 PM 76 1293.00 XCSE
GENMAB A/S 09-May-2025 13:01:02 PM 32 1292.50 XCSE
GENMAB A/S 09-May-2025 13:02:01 PM 28 1291.00 XCSE
GENMAB A/S 09-May-2025 13:02:01 PM 25 1291.00 CEUX
GENMAB A/S 09-May-2025 13:02:27 PM 30 1291.50 XCSE
GENMAB A/S 09-May-2025 13:02:27 PM 1 1291.50 XCSE
GENMAB A/S 09-May-2025 13:02:27 PM 23 1291.50 CEUX
GENMAB A/S 09-May-2025 13:02:27 PM 5 1291.50 CEUX
GENMAB A/S 09-May-2025 13:03:21 PM 30 1291.00 XCSE
GENMAB A/S 09-May-2025 13:03:35 PM 26 1290.50 XCSE
GENMAB A/S 09-May-2025 13:03:35 PM 28 1290.00 XCSE
GENMAB A/S 09-May-2025 13:03:35 PM 26 1290.50 CEUX
GENMAB A/S 09-May-2025 13:03:35 PM 10 1289.50 CEUX
GENMAB A/S 09-May-2025 13:05:31 PM 9 1291.00 XCSE
GENMAB A/S 09-May-2025 13:05:31 PM 22 1291.00 XCSE
GENMAB A/S 09-May-2025 13:05:32 PM 22 1290.50 CEUX
GENMAB A/S 09-May-2025 13:05:33 PM 27 1290.50 XCSE
GENMAB A/S 09-May-2025 13:05:33 PM 25 1290.50 AQEU
GENMAB A/S 09-May-2025 13:05:33 PM 11 1290.50 CEUX
116




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 13:06:04 PM 9 1291.50 TQEX
GENMAB A/S 09-May-2025 13:06:05 PM 25 1292.50 TQEX
GENMAB A/S 09-May-2025 13:07:16 PM 61 1293.00 XCSE
GENMAB A/S 09-May-2025 13:08:30 PM 24 1292.50 XCSE
GENMAB A/S 09-May-2025 13:10:23 PM 77 1294.50 XCSE
GENMAB A/S 09-May-2025 13:10:23 PM 69 1294.50 CEUX
GENMAB A/S 09-May-2025 13:11:47 PM 43 1295.00 XCSE
GENMAB A/S 09-May-2025 13:11:47 PM 14 1294.50 CEUX
GENMAB A/S 09-May-2025 13:11:54 PM 74 1294.50 XCSE
GENMAB A/S 09-May-2025 13:11:54 PM 28 1294.50 AQEU
GENMAB A/S 09-May-2025 13:11:54 PM 37 1294.50 CEUX
GENMAB A/S 09-May-2025 13:11:59 PM 10 1294.00 XCSE
GENMAB A/S 09-May-2025 13:11:59 PM 69 1294.00 XCSE
GENMAB A/S 09-May-2025 13:11:59 PM 69 1294.00 CEUX
GENMAB A/S 09-May-2025 13:12:05 PM 19 1294.50 XCSE
GENMAB A/S 09-May-2025 13:12:05 PM 8 1294.50 XCSE
GENMAB A/S 09-May-2025 13:14:23 PM 67 1295.50 XCSE
GENMAB A/S 09-May-2025 13:14:32 PM 1 1295.00 CEUX
GENMAB A/S 09-May-2025 13:14:44 PM 19 1295.00 CEUX
GENMAB A/S 09-May-2025 13:14:59 PM 50 1295.00 XCSE
GENMAB A/S 09-May-2025 13:14:59 PM 25 1295.00 TQEX
GENMAB A/S 09-May-2025 13:14:59 PM 16 1295.00 CEUX
GENMAB A/S 09-May-2025 13:17:06 PM 73 1296.50 XCSE
GENMAB A/S 09-May-2025 13:17:06 PM 53 1296.50 CEUX
GENMAB A/S 09-May-2025 13:19:14 PM 41 1296.50 CEUX
GENMAB A/S 09-May-2025 13:19:28 PM 72 1296.00 XCSE
GENMAB A/S 09-May-2025 13:19:28 PM 58 1296.00 CEUX
GENMAB A/S 09-May-2025 13:19:33 PM 2 1295.50 XCSE
GENMAB A/S 09-May-2025 13:19:33 PM 42 1295.50 XCSE
GENMAB A/S 09-May-2025 13:19:33 PM 25 1295.50 AQEU
GENMAB A/S 09-May-2025 13:19:33 PM 45 1295.50 CEUX
GENMAB A/S 09-May-2025 13:20:33 PM 46 1295.00 XCSE
GENMAB A/S 09-May-2025 13:20:33 PM 17 1295.00 CEUX
GENMAB A/S 09-May-2025 13:20:33 PM 31 1295.00 CEUX
GENMAB A/S 09-May-2025 13:20:35 PM 40 1294.50 XCSE
GENMAB A/S 09-May-2025 13:20:35 PM 24 1294.50 XCSE
GENMAB A/S 09-May-2025 13:20:35 PM 26 1294.00 XCSE
GENMAB A/S 09-May-2025 13:20:35 PM 34 1294.50 TQEX
GENMAB A/S 09-May-2025 13:20:44 PM 15 1294.00 XCSE
GENMAB A/S 09-May-2025 13:21:33 PM 32 1294.50 CEUX
GENMAB A/S 09-May-2025 13:22:52 PM 26 1294.00 XCSE
GENMAB A/S 09-May-2025 13:23:06 PM 50 1293.50 XCSE
117




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 13:23:06 PM 15 1293.50 CEUX
GENMAB A/S 09-May-2025 13:23:06 PM 12 1293.50 CEUX
GENMAB A/S 09-May-2025 13:23:10 PM 28 1293.00 XCSE
GENMAB A/S 09-May-2025 13:23:10 PM 26 1293.00 CEUX
GENMAB A/S 09-May-2025 13:23:27 PM 53 1292.50 XCSE
GENMAB A/S 09-May-2025 13:23:28 PM 26 1292.00 XCSE
GENMAB A/S 09-May-2025 13:24:50 PM 27 1293.00 CEUX
GENMAB A/S 09-May-2025 13:25:34 PM 26 1292.50 CEUX
GENMAB A/S 09-May-2025 13:26:36 PM 25 1292.50 XCSE
GENMAB A/S 09-May-2025 13:26:36 PM 27 1292.00 XCSE
GENMAB A/S 09-May-2025 13:26:36 PM 30 1292.00 CEUX
GENMAB A/S 09-May-2025 13:26:39 PM 44 1292.50 XCSE
GENMAB A/S 09-May-2025 13:26:39 PM 42 1292.00 XCSE
GENMAB A/S 09-May-2025 13:26:39 PM 26 1292.00 AQEU
GENMAB A/S 09-May-2025 13:26:41 PM 28 1291.50 CEUX
GENMAB A/S 09-May-2025 13:26:59 PM 34 1289.50 XCSE
GENMAB A/S 09-May-2025 13:28:46 PM 22 1289.50 XCSE
GENMAB A/S 09-May-2025 13:28:46 PM 3 1289.50 XCSE
GENMAB A/S 09-May-2025 13:28:46 PM 28 1289.50 TQEX
GENMAB A/S 09-May-2025 13:29:00 PM 37 1290.00 XCSE
GENMAB A/S 09-May-2025 13:31:07 PM 1 1290.00 CEUX
GENMAB A/S 09-May-2025 13:31:09 PM 57 1290.50 XCSE
GENMAB A/S 09-May-2025 13:31:09 PM 47 1290.50 CEUX
GENMAB A/S 09-May-2025 13:32:17 PM 50 1291.00 XCSE
GENMAB A/S 09-May-2025 13:32:58 PM 25 1290.50 XCSE
GENMAB A/S 09-May-2025 13:32:58 PM 39 1290.50 CEUX
GENMAB A/S 09-May-2025 13:34:21 PM 2 1290.00 XCSE
GENMAB A/S 09-May-2025 13:35:00 PM 60 1290.00 XCSE
GENMAB A/S 09-May-2025 13:35:00 PM 6 1290.00 CEUX
GENMAB A/S 09-May-2025 13:35:00 PM 36 1290.00 CEUX
GENMAB A/S 09-May-2025 13:36:20 PM 52 1292.00 CEUX
GENMAB A/S 09-May-2025 13:36:20 PM 8 1292.00 CEUX
GENMAB A/S 09-May-2025 13:37:16 PM 9 1292.00 XCSE
GENMAB A/S 09-May-2025 13:37:31 PM 63 1292.00 XCSE
GENMAB A/S 09-May-2025 13:37:31 PM 3 1292.00 TQEX
GENMAB A/S 09-May-2025 13:37:31 PM 25 1292.00 TQEX
GENMAB A/S 09-May-2025 13:38:14 PM 52 1292.00 CEUX
GENMAB A/S 09-May-2025 13:38:16 PM 73 1291.50 XCSE
GENMAB A/S 09-May-2025 13:38:16 PM 46 1291.50 CEUX
GENMAB A/S 09-May-2025 13:39:01 PM 29 1291.00 XCSE
GENMAB A/S 09-May-2025 13:39:01 PM 49 1291.00 XCSE
GENMAB A/S 09-May-2025 13:39:01 PM 46 1291.00 CEUX
118




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 13:39:02 PM 79 1290.50 XCSE
GENMAB A/S 09-May-2025 13:40:56 PM 53 1291.00 XCSE
GENMAB A/S 09-May-2025 13:43:00 PM 7 1290.50 CEUX
GENMAB A/S 09-May-2025 13:43:07 PM 25 1290.50 XCSE
GENMAB A/S 09-May-2025 13:43:07 PM 22 1290.50 XCSE
GENMAB A/S 09-May-2025 13:43:07 PM 18 1290.50 CEUX
GENMAB A/S 09-May-2025 13:43:36 PM 25 1290.50 TQEX
GENMAB A/S 09-May-2025 13:43:36 PM 10 1290.50 AQEU
GENMAB A/S 09-May-2025 13:45:02 PM 11 1290.50 AQEU
GENMAB A/S 09-May-2025 13:45:59 PM 25 1293.00 AQEU
GENMAB A/S 09-May-2025 13:45:59 PM 74 1293.00 CEUX
GENMAB A/S 09-May-2025 13:46:52 PM 78 1295.00 XCSE
GENMAB A/S 09-May-2025 13:46:52 PM 29 1295.00 CEUX
GENMAB A/S 09-May-2025 13:46:52 PM 25 1295.00 CEUX
GENMAB A/S 09-May-2025 13:48:16 PM 80 1296.00 XCSE
GENMAB A/S 09-May-2025 13:48:16 PM 50 1296.00 CEUX
GENMAB A/S 09-May-2025 13:48:39 PM 3 1295.50 CEUX
GENMAB A/S 09-May-2025 13:49:24 PM 75 1295.50 XCSE
GENMAB A/S 09-May-2025 13:49:24 PM 79 1295.00 XCSE
GENMAB A/S 09-May-2025 13:49:24 PM 41 1295.50 CEUX
GENMAB A/S 09-May-2025 13:49:24 PM 28 1295.00 CEUX
GENMAB A/S 09-May-2025 13:49:25 PM 77 1294.50 XCSE
GENMAB A/S 09-May-2025 13:49:25 PM 25 1294.50 AQEU
GENMAB A/S 09-May-2025 13:49:25 PM 36 1294.50 CEUX
GENMAB A/S 09-May-2025 13:51:10 PM 75 1294.00 XCSE
GENMAB A/S 09-May-2025 13:52:21 PM 3 1293.50 XCSE
GENMAB A/S 09-May-2025 13:52:21 PM 34 1293.50 XCSE
GENMAB A/S 09-May-2025 13:52:21 PM 40 1293.50 XCSE
GENMAB A/S 09-May-2025 13:52:21 PM 25 1293.50 TQEX
GENMAB A/S 09-May-2025 13:52:21 PM 30 1293.50 CEUX
GENMAB A/S 09-May-2025 13:53:24 PM 9 1293.50 CEUX
GENMAB A/S 09-May-2025 13:54:09 PM 22 1293.50 CEUX
GENMAB A/S 09-May-2025 13:54:32 PM 10 1293.50 CEUX
GENMAB A/S 09-May-2025 13:54:42 PM 68 1293.50 XCSE
GENMAB A/S 09-May-2025 13:56:45 PM 25 1294.50 AQEU
GENMAB A/S 09-May-2025 13:56:45 PM 1 1294.50 CEUX
GENMAB A/S 09-May-2025 13:56:45 PM 65 1294.50 CEUX
GENMAB A/S 09-May-2025 13:57:36 PM 79 1296.00 XCSE
GENMAB A/S 09-May-2025 13:57:39 PM 51 1295.50 XCSE
GENMAB A/S 09-May-2025 13:57:39 PM 25 1295.50 XCSE
GENMAB A/S 09-May-2025 13:57:39 PM 25 1295.50 TQEX
GENMAB A/S 09-May-2025 13:57:39 PM 62 1295.50 CEUX
119




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 13:59:40 PM 74 1295.00 XCSE
GENMAB A/S 09-May-2025 13:59:40 PM 61 1295.00 CEUX
GENMAB A/S 09-May-2025 13:59:48 PM 29 1294.50 CEUX
GENMAB A/S 09-May-2025 14:00:00 PM 76 1294.50 XCSE
GENMAB A/S 09-May-2025 14:00:00 PM 22 1294.50 CEUX
GENMAB A/S 09-May-2025 14:00:01 PM 74 1294.00 XCSE
GENMAB A/S 09-May-2025 14:00:01 PM 47 1294.00 CEUX
GENMAB A/S 09-May-2025 14:00:02 PM 80 1293.50 XCSE
GENMAB A/S 09-May-2025 14:00:02 PM 29 1293.50 CEUX
GENMAB A/S 09-May-2025 14:00:02 PM 21 1293.50 CEUX
GENMAB A/S 09-May-2025 14:00:07 PM 75 1293.00 XCSE
GENMAB A/S 09-May-2025 14:00:10 PM 22 1292.50 XCSE
GENMAB A/S 09-May-2025 14:03:55 PM 44 1292.50 XCSE
GENMAB A/S 09-May-2025 14:03:55 PM 26 1292.50 TQEX
GENMAB A/S 09-May-2025 14:03:55 PM 27 1292.50 AQEU
GENMAB A/S 09-May-2025 14:03:55 PM 27 1292.50 CEUX
GENMAB A/S 09-May-2025 14:03:59 PM 4 1292.00 CEUX
GENMAB A/S 09-May-2025 14:04:40 PM 21 1292.00 CEUX
GENMAB A/S 09-May-2025 14:05:10 PM 35 1292.00 XCSE
GENMAB A/S 09-May-2025 14:05:38 PM 29 1293.00 CEUX
GENMAB A/S 09-May-2025 14:05:38 PM 26 1293.00 CEUX
GENMAB A/S 09-May-2025 14:05:44 PM 79 1292.50 XCSE
GENMAB A/S 09-May-2025 14:05:44 PM 66 1292.50 CEUX
GENMAB A/S 09-May-2025 14:08:47 PM 19 1292.50 XCSE
GENMAB A/S 09-May-2025 14:08:47 PM 6 1292.50 XCSE
GENMAB A/S 09-May-2025 14:08:48 PM 106 1292.50 XCSE
GENMAB A/S 09-May-2025 14:08:54 PM 13 1292.00 XCSE
GENMAB A/S 09-May-2025 14:08:54 PM 65 1292.00 XCSE
GENMAB A/S 09-May-2025 14:08:54 PM 68 1292.00 CEUX
GENMAB A/S 09-May-2025 14:09:05 PM 27 1291.50 XCSE
GENMAB A/S 09-May-2025 14:09:05 PM 25 1291.50 AQEU
GENMAB A/S 09-May-2025 14:09:05 PM 29 1291.50 CEUX
GENMAB A/S 09-May-2025 14:09:06 PM 11 1291.00 CEUX
GENMAB A/S 09-May-2025 14:09:21 PM 74 1291.00 XCSE
GENMAB A/S 09-May-2025 14:09:21 PM 16 1291.00 CEUX
GENMAB A/S 09-May-2025 14:10:22 PM 37 1290.50 CEUX
GENMAB A/S 09-May-2025 14:11:02 PM 3 1290.50 CEUX
GENMAB A/S 09-May-2025 14:11:06 PM 26 1290.50 XCSE
GENMAB A/S 09-May-2025 14:12:44 PM 54 1290.50 XCSE
GENMAB A/S 09-May-2025 14:13:07 PM 25 1291.50 AQEU
GENMAB A/S 09-May-2025 14:13:09 PM 25 1292.00 TQEX
GENMAB A/S 09-May-2025 14:16:39 PM 2 1293.00 XCSE
120




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 14:16:39 PM 1 1293.00 XCSE
GENMAB A/S 09-May-2025 14:16:42 PM 1 1293.00 XCSE
GENMAB A/S 09-May-2025 14:16:42 PM 29 1293.00 XCSE
GENMAB A/S 09-May-2025 14:16:42 PM 43 1293.00 XCSE
GENMAB A/S 09-May-2025 14:16:42 PM 30 1293.00 XCSE
GENMAB A/S 09-May-2025 14:16:42 PM 9 1293.00 XCSE
GENMAB A/S 09-May-2025 14:16:42 PM 74 1293.00 CEUX
GENMAB A/S 09-May-2025 14:16:42 PM 31 1292.50 CEUX
GENMAB A/S 09-May-2025 14:16:43 PM 30 1293.00 XCSE
GENMAB A/S 09-May-2025 14:16:43 PM 30 1293.00 XCSE
GENMAB A/S 09-May-2025 14:16:44 PM 30 1293.00 XCSE
GENMAB A/S 09-May-2025 14:16:54 PM 9 1293.50 XCSE
GENMAB A/S 09-May-2025 14:16:57 PM 11 1293.50 XCSE
GENMAB A/S 09-May-2025 14:17:09 PM 16 1293.50 XCSE
GENMAB A/S 09-May-2025 14:17:09 PM 9 1293.50 XCSE
GENMAB A/S 09-May-2025 14:17:09 PM 9 1293.50 XCSE
GENMAB A/S 09-May-2025 14:17:29 PM 8 1293.50 XCSE
GENMAB A/S 09-May-2025 14:17:29 PM 10 1293.50 XCSE
GENMAB A/S 09-May-2025 14:17:29 PM 10 1293.50 XCSE
GENMAB A/S 09-May-2025 14:17:49 PM 4 1293.50 XCSE
GENMAB A/S 09-May-2025 14:17:49 PM 10 1293.50 XCSE
GENMAB A/S 09-May-2025 14:17:49 PM 8 1293.50 XCSE
GENMAB A/S 09-May-2025 14:17:49 PM 5 1293.50 XCSE
GENMAB A/S 09-May-2025 14:18:27 PM 24 1293.00 CEUX
GENMAB A/S 09-May-2025 14:18:41 PM 80 1292.50 XCSE
GENMAB A/S 09-May-2025 14:18:41 PM 25 1292.50 TQEX
GENMAB A/S 09-May-2025 14:18:41 PM 26 1292.50 AQEU
GENMAB A/S 09-May-2025 14:18:41 PM 55 1293.00 CEUX
GENMAB A/S 09-May-2025 14:18:41 PM 45 1292.50 CEUX
GENMAB A/S 09-May-2025 14:18:41 PM 4 1292.50 CEUX
GENMAB A/S 09-May-2025 14:18:41 PM 29 1292.00 CEUX
GENMAB A/S 09-May-2025 14:18:53 PM 79 1292.00 XCSE
GENMAB A/S 09-May-2025 14:18:53 PM 30 1292.00 CEUX
GENMAB A/S 09-May-2025 14:18:53 PM 13 1292.00 CEUX
GENMAB A/S 09-May-2025 14:19:46 PM 46 1292.50 CEUX
GENMAB A/S 09-May-2025 14:19:46 PM 7 1292.50 CEUX
GENMAB A/S 09-May-2025 14:20:48 PM 23 1292.50 XCSE
GENMAB A/S 09-May-2025 14:20:48 PM 57 1292.50 XCSE
GENMAB A/S 09-May-2025 14:21:40 PM 78 1292.00 XCSE
GENMAB A/S 09-May-2025 14:21:40 PM 36 1292.00 CEUX
GENMAB A/S 09-May-2025 14:22:29 PM 14 1292.50 XCSE
GENMAB A/S 09-May-2025 14:22:29 PM 34 1292.50 XCSE
121




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 14:22:29 PM 77 1292.00 XCSE
GENMAB A/S 09-May-2025 14:22:29 PM 78 1291.50 XCSE
GENMAB A/S 09-May-2025 14:22:29 PM 60 1292.00 CEUX
GENMAB A/S 09-May-2025 14:22:29 PM 78 1291.50 CEUX
GENMAB A/S 09-May-2025 14:22:40 PM 19 1292.50 CEUX
GENMAB A/S 09-May-2025 14:22:40 PM 10 1292.50 CEUX
GENMAB A/S 09-May-2025 14:22:57 PM 45 1293.00 XCSE
GENMAB A/S 09-May-2025 14:22:58 PM 30 1293.00 XCSE
GENMAB A/S 09-May-2025 14:24:44 PM 6 1293.50 XCSE
GENMAB A/S 09-May-2025 14:24:44 PM 70 1293.50 XCSE
GENMAB A/S 09-May-2025 14:24:44 PM 25 1293.50 TQEX
GENMAB A/S 09-May-2025 14:24:44 PM 35 1293.50 CEUX
GENMAB A/S 09-May-2025 14:24:55 PM 76 1293.00 XCSE
GENMAB A/S 09-May-2025 14:24:55 PM 74 1292.50 XCSE
GENMAB A/S 09-May-2025 14:24:55 PM 25 1293.00 AQEU
GENMAB A/S 09-May-2025 14:24:55 PM 27 1293.00 CEUX
GENMAB A/S 09-May-2025 14:24:55 PM 26 1292.50 CEUX
GENMAB A/S 09-May-2025 14:25:45 PM 67 1294.00 XCSE
GENMAB A/S 09-May-2025 14:25:45 PM 73 1293.50 XCSE
GENMAB A/S 09-May-2025 14:25:45 PM 55 1293.00 XCSE
GENMAB A/S 09-May-2025 14:25:45 PM 9 1292.50 XCSE
GENMAB A/S 09-May-2025 14:25:45 PM 37 1292.50 XCSE
GENMAB A/S 09-May-2025 14:25:45 PM 38 1293.50 CEUX
GENMAB A/S 09-May-2025 14:25:45 PM 10 1293.00 CEUX
GENMAB A/S 09-May-2025 14:29:48 PM 25 1296.00 XCSE
GENMAB A/S 09-May-2025 14:30:45 PM 76 1297.00 XCSE
GENMAB A/S 09-May-2025 14:30:45 PM 75 1296.50 XCSE
GENMAB A/S 09-May-2025 14:30:45 PM 25 1297.00 TQEX
GENMAB A/S 09-May-2025 14:30:45 PM 26 1296.50 AQEU
GENMAB A/S 09-May-2025 14:30:45 PM 66 1297.00 CEUX
GENMAB A/S 09-May-2025 14:30:45 PM 77 1296.50 CEUX
GENMAB A/S 09-May-2025 14:31:02 PM 25 1296.00 XCSE
GENMAB A/S 09-May-2025 14:31:02 PM 28 1296.00 XCSE
GENMAB A/S 09-May-2025 14:31:02 PM 72 1296.00 CEUX
GENMAB A/S 09-May-2025 14:35:28 PM 29 1297.00 CEUX
GENMAB A/S 09-May-2025 14:35:31 PM 64 1298.00 CEUX
GENMAB A/S 09-May-2025 14:36:18 PM 101 1298.50 XCSE
GENMAB A/S 09-May-2025 14:36:36 PM 76 1298.50 XCSE
GENMAB A/S 09-May-2025 14:36:36 PM 25 1298.50 TQEX
GENMAB A/S 09-May-2025 14:36:36 PM 43 1298.50 CEUX
GENMAB A/S 09-May-2025 14:37:09 PM 77 1298.00 XCSE
GENMAB A/S 09-May-2025 14:37:09 PM 48 1298.00 CEUX
122




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 14:37:54 PM 71 1297.50 CEUX
GENMAB A/S 09-May-2025 14:38:17 PM 74 1297.50 XCSE
GENMAB A/S 09-May-2025 14:39:14 PM 29 1297.00 CEUX
GENMAB A/S 09-May-2025 14:39:49 PM 34 1297.50 XCSE
GENMAB A/S 09-May-2025 14:39:49 PM 19 1297.50 XCSE
GENMAB A/S 09-May-2025 14:39:49 PM 34 1297.50 XCSE
GENMAB A/S 09-May-2025 14:39:49 PM 19 1297.50 XCSE
GENMAB A/S 09-May-2025 14:39:49 PM 1 1297.50 XCSE
GENMAB A/S 09-May-2025 14:41:09 PM 8 1298.00 XCSE
GENMAB A/S 09-May-2025 14:41:09 PM 10 1298.00 XCSE
GENMAB A/S 09-May-2025 14:41:09 PM 10 1298.00 XCSE
GENMAB A/S 09-May-2025 14:41:09 PM 16 1298.00 XCSE
GENMAB A/S 09-May-2025 14:41:09 PM 13 1298.00 XCSE
GENMAB A/S 09-May-2025 14:41:09 PM 13 1298.00 XCSE
GENMAB A/S 09-May-2025 14:41:20 PM 74 1297.50 XCSE
GENMAB A/S 09-May-2025 14:41:20 PM 51 1297.50 CEUX
GENMAB A/S 09-May-2025 14:42:20 PM 75 1301.50 XCSE
GENMAB A/S 09-May-2025 14:42:20 PM 25 1301.50 TQEX
GENMAB A/S 09-May-2025 14:42:20 PM 62 1301.50 CEUX
GENMAB A/S 09-May-2025 14:42:22 PM 19 1301.00 CEUX
GENMAB A/S 09-May-2025 14:42:23 PM 40 1301.00 CEUX
GENMAB A/S 09-May-2025 14:42:28 PM 14 1301.00 AQEU
GENMAB A/S 09-May-2025 14:42:33 PM 7 1301.00 AQEU
GENMAB A/S 09-May-2025 14:43:05 PM 2 1303.50 XCSE
GENMAB A/S 09-May-2025 14:43:05 PM 1 1303.50 XCSE
GENMAB A/S 09-May-2025 14:43:05 PM 73 1303.50 XCSE
GENMAB A/S 09-May-2025 14:43:05 PM 25 1303.50 AQEU
GENMAB A/S 09-May-2025 14:43:25 PM 75 1303.00 XCSE
GENMAB A/S 09-May-2025 14:43:25 PM 33 1303.50 CEUX
GENMAB A/S 09-May-2025 14:43:25 PM 32 1303.00 CEUX
GENMAB A/S 09-May-2025 14:44:35 PM 78 1303.00 XCSE
GENMAB A/S 09-May-2025 14:44:35 PM 26 1303.00 CEUX
GENMAB A/S 09-May-2025 14:44:36 PM 19 1302.50 AQEU
GENMAB A/S 09-May-2025 14:44:36 PM 23 1302.50 CEUX
GENMAB A/S 09-May-2025 14:45:02 PM 1 1302.50 XCSE
GENMAB A/S 09-May-2025 14:45:02 PM 76 1302.50 XCSE
GENMAB A/S 09-May-2025 14:45:02 PM 25 1302.50 TQEX
GENMAB A/S 09-May-2025 14:45:06 PM 19 1302.00 CEUX
GENMAB A/S 09-May-2025 14:45:16 PM 12 1302.00 CEUX
GENMAB A/S 09-May-2025 14:45:35 PM 76 1302.00 XCSE
GENMAB A/S 09-May-2025 14:45:48 PM 6 1301.50 CEUX
GENMAB A/S 09-May-2025 14:46:05 PM 75 1301.50 XCSE
123




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 14:46:05 PM 19 1301.50 CEUX
GENMAB A/S 09-May-2025 14:46:05 PM 11 1301.50 CEUX
GENMAB A/S 09-May-2025 14:46:12 PM 76 1301.00 XCSE
GENMAB A/S 09-May-2025 14:46:42 PM 6 1300.50 CEUX
GENMAB A/S 09-May-2025 14:46:52 PM 19 1300.50 CEUX
GENMAB A/S 09-May-2025 14:47:01 PM 76 1300.50 XCSE
GENMAB A/S 09-May-2025 14:47:01 PM 5 1300.50 CEUX
GENMAB A/S 09-May-2025 14:47:02 PM 19 1300.00 CEUX
GENMAB A/S 09-May-2025 14:48:28 PM 1 1300.00 XCSE
GENMAB A/S 09-May-2025 14:48:38 PM 1 1300.00 XCSE
GENMAB A/S 09-May-2025 14:49:26 PM 74 1300.00 XCSE
GENMAB A/S 09-May-2025 14:49:43 PM 19 1299.50 CEUX
GENMAB A/S 09-May-2025 14:49:43 PM 8 1299.50 CEUX
GENMAB A/S 09-May-2025 14:50:02 PM 34 1299.50 XCSE
GENMAB A/S 09-May-2025 14:50:02 PM 52 1299.00 XCSE
GENMAB A/S 09-May-2025 14:50:02 PM 25 1299.50 TQEX
GENMAB A/S 09-May-2025 14:50:02 PM 25 1299.00 TQEX
GENMAB A/S 09-May-2025 14:50:02 PM 25 1299.50 AQEU
GENMAB A/S 09-May-2025 14:50:02 PM 35 1299.00 AQEU
GENMAB A/S 09-May-2025 14:50:02 PM 33 1299.00 CEUX
GENMAB A/S 09-May-2025 14:51:01 PM 76 1298.50 XCSE
GENMAB A/S 09-May-2025 14:51:01 PM 30 1298.50 CEUX
GENMAB A/S 09-May-2025 14:52:16 PM 30 1303.00 CEUX
GENMAB A/S 09-May-2025 14:52:17 PM 79 1303.00 XCSE
GENMAB A/S 09-May-2025 14:52:17 PM 35 1303.00 CEUX
GENMAB A/S 09-May-2025 14:52:17 PM 3 1303.00 CEUX
GENMAB A/S 09-May-2025 14:52:17 PM 13 1302.50 CEUX
GENMAB A/S 09-May-2025 14:53:03 PM 3 1303.50 XCSE
GENMAB A/S 09-May-2025 14:53:03 PM 2 1303.50 XCSE
GENMAB A/S 09-May-2025 14:53:03 PM 74 1303.50 XCSE
GENMAB A/S 09-May-2025 14:53:12 PM 80 1303.00 XCSE
GENMAB A/S 09-May-2025 14:53:12 PM 19 1303.00 CEUX
GENMAB A/S 09-May-2025 14:53:12 PM 24 1303.00 CEUX
GENMAB A/S 09-May-2025 14:53:13 PM 1 1302.50 XCSE
GENMAB A/S 09-May-2025 14:53:13 PM 1 1302.50 XCSE
GENMAB A/S 09-May-2025 14:53:13 PM 74 1302.50 XCSE
GENMAB A/S 09-May-2025 14:53:13 PM 30 1302.00 XCSE
GENMAB A/S 09-May-2025 14:53:13 PM 49 1302.50 CEUX
GENMAB A/S 09-May-2025 14:53:13 PM 8 1302.50 CEUX
GENMAB A/S 09-May-2025 14:53:22 PM 19 1302.00 CEUX
GENMAB A/S 09-May-2025 14:53:31 PM 49 1302.00 XCSE
GENMAB A/S 09-May-2025 14:53:41 PM 45 1301.50 XCSE
124




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 14:53:41 PM 5 1301.50 XCSE
GENMAB A/S 09-May-2025 14:53:41 PM 16 1301.50 CEUX
GENMAB A/S 09-May-2025 14:54:48 PM 19 1301.00 CEUX
GENMAB A/S 09-May-2025 14:54:58 PM 6 1301.00 CEUX
GENMAB A/S 09-May-2025 14:56:45 PM 31 1301.00 XCSE
GENMAB A/S 09-May-2025 14:56:54 PM 1 1300.50 CEUX
GENMAB A/S 09-May-2025 14:57:02 PM 74 1301.00 XCSE
GENMAB A/S 09-May-2025 14:57:02 PM 60 1301.00 CEUX
GENMAB A/S 09-May-2025 14:57:05 PM 25 1300.50 XCSE
GENMAB A/S 09-May-2025 14:57:05 PM 33 1300.50 CEUX
GENMAB A/S 09-May-2025 14:58:32 PM 18 1300.50 CEUX
GENMAB A/S 09-May-2025 14:58:42 PM 19 1300.50 CEUX
GENMAB A/S 09-May-2025 14:58:51 PM 1 1300.50 CEUX
GENMAB A/S 09-May-2025 15:00:04 PM 73 1300.50 XCSE
GENMAB A/S 09-May-2025 15:00:05 PM 26 1300.00 XCSE
GENMAB A/S 09-May-2025 15:00:09 PM 19 1300.00 CEUX
GENMAB A/S 09-May-2025 15:00:20 PM 13 1300.00 CEUX
GENMAB A/S 09-May-2025 15:00:51 PM 13 1300.50 CEUX
GENMAB A/S 09-May-2025 15:01:02 PM 80 1300.50 XCSE
GENMAB A/S 09-May-2025 15:01:02 PM 25 1300.50 TQEX
GENMAB A/S 09-May-2025 15:01:02 PM 19 1300.50 CEUX
GENMAB A/S 09-May-2025 15:01:02 PM 19 1300.50 CEUX
GENMAB A/S 09-May-2025 15:02:00 PM 78 1300.50 XCSE
GENMAB A/S 09-May-2025 15:02:20 PM 70 1300.00 XCSE
GENMAB A/S 09-May-2025 15:02:20 PM 5 1300.00 XCSE
GENMAB A/S 09-May-2025 15:02:20 PM 47 1300.00 CEUX
GENMAB A/S 09-May-2025 15:02:22 PM 19 1299.50 CEUX
GENMAB A/S 09-May-2025 15:02:34 PM 51 1299.50 XCSE
GENMAB A/S 09-May-2025 15:02:34 PM 5 1299.50 CEUX
GENMAB A/S 09-May-2025 15:02:34 PM 3 1299.50 CEUX
GENMAB A/S 09-May-2025 15:04:01 PM 25 1299.00 CEUX
GENMAB A/S 09-May-2025 15:04:03 PM 51 1299.00 XCSE
GENMAB A/S 09-May-2025 15:04:03 PM 19 1299.00 CEUX
GENMAB A/S 09-May-2025 15:04:03 PM 2 1299.00 CEUX
GENMAB A/S 09-May-2025 15:04:07 PM 25 1299.00 XCSE
GENMAB A/S 09-May-2025 15:04:23 PM 19 1298.50 CEUX
GENMAB A/S 09-May-2025 15:04:34 PM 19 1298.50 CEUX
GENMAB A/S 09-May-2025 15:04:36 PM 13 1299.00 CEUX
GENMAB A/S 09-May-2025 15:04:41 PM 25 1299.00 TQEX
GENMAB A/S 09-May-2025 15:04:41 PM 34 1299.00 CEUX
GENMAB A/S 09-May-2025 15:04:58 PM 21 1298.50 XCSE
125




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 15:05:27 PM 25 1299.50 AQEU
GENMAB A/S 09-May-2025 15:05:27 PM 50 1299.50 CEUX
GENMAB A/S 09-May-2025 15:06:15 PM 74 1299.50 XCSE
GENMAB A/S 09-May-2025 15:06:15 PM 32 1299.50 CEUX
GENMAB A/S 09-May-2025 15:07:02 PM 25 1299.50 CEUX
GENMAB A/S 09-May-2025 15:07:40 PM 13 1302.50 CEUX
GENMAB A/S 09-May-2025 15:07:40 PM 26 1302.50 CEUX
GENMAB A/S 09-May-2025 15:07:41 PM 74 1302.00 XCSE
GENMAB A/S 09-May-2025 15:07:44 PM 76 1301.50 XCSE
GENMAB A/S 09-May-2025 15:07:44 PM 19 1301.50 CEUX
GENMAB A/S 09-May-2025 15:07:44 PM 20 1301.50 CEUX
GENMAB A/S 09-May-2025 15:08:37 PM 3 1301.00 CEUX
GENMAB A/S 09-May-2025 15:08:44 PM 76 1301.00 XCSE
GENMAB A/S 09-May-2025 15:08:44 PM 19 1301.00 CEUX
GENMAB A/S 09-May-2025 15:08:44 PM 3 1301.00 CEUX
GENMAB A/S 09-May-2025 15:08:59 PM 19 1302.00 CEUX
GENMAB A/S 09-May-2025 15:09:06 PM 6 1302.00 CEUX
GENMAB A/S 09-May-2025 15:10:29 PM 8 1302.50 XCSE
GENMAB A/S 09-May-2025 15:10:29 PM 4 1302.50 XCSE
GENMAB A/S 09-May-2025 15:10:35 PM 78 1302.00 XCSE
GENMAB A/S 09-May-2025 15:10:35 PM 25 1302.00 TQEX
GENMAB A/S 09-May-2025 15:10:35 PM 25 1302.00 AQEU
GENMAB A/S 09-May-2025 15:10:35 PM 35 1302.00 CEUX
GENMAB A/S 09-May-2025 15:10:41 PM 75 1301.50 XCSE
GENMAB A/S 09-May-2025 15:10:41 PM 25 1301.50 CEUX
GENMAB A/S 09-May-2025 15:11:42 PM 15 1302.50 XCSE
GENMAB A/S 09-May-2025 15:11:42 PM 36 1302.50 CEUX
GENMAB A/S 09-May-2025 15:11:49 PM 64 1302.50 XCSE
GENMAB A/S 09-May-2025 15:12:17 PM 67 1302.00 XCSE
GENMAB A/S 09-May-2025 15:12:17 PM 8 1302.00 XCSE
GENMAB A/S 09-May-2025 15:12:17 PM 36 1302.00 CEUX
GENMAB A/S 09-May-2025 15:12:42 PM 13 1301.50 CEUX
GENMAB A/S 09-May-2025 15:13:04 PM 19 1301.50 CEUX
GENMAB A/S 09-May-2025 15:13:39 PM 19 1302.00 CEUX
GENMAB A/S 09-May-2025 15:13:40 PM 25 1302.00 TQEX
GENMAB A/S 09-May-2025 15:13:40 PM 15 1302.00 CEUX
GENMAB A/S 09-May-2025 15:14:01 PM 3 1302.50 XCSE
GENMAB A/S 09-May-2025 15:14:58 PM 80 1302.50 XCSE
GENMAB A/S 09-May-2025 15:15:20 PM 19 1302.00 CEUX
GENMAB A/S 09-May-2025 15:15:34 PM 2 1303.00 XCSE
GENMAB A/S 09-May-2025 15:15:34 PM 3 1303.00 XCSE
GENMAB A/S 09-May-2025 15:15:34 PM 14 1303.00 XCSE
126




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 15:15:34 PM 30 1303.00 XCSE
GENMAB A/S 09-May-2025 15:15:34 PM 50 1303.00 XCSE
GENMAB A/S 09-May-2025 15:15:36 PM 3 1303.00 XCSE
GENMAB A/S 09-May-2025 15:15:36 PM 22 1303.00 XCSE
GENMAB A/S 09-May-2025 15:15:49 PM 3 1303.00 XCSE
GENMAB A/S 09-May-2025 15:15:57 PM 9 1302.50 CEUX
GENMAB A/S 09-May-2025 15:16:08 PM 19 1302.50 CEUX
GENMAB A/S 09-May-2025 15:16:19 PM 19 1302.50 CEUX
GENMAB A/S 09-May-2025 15:16:41 PM 79 1303.00 XCSE
GENMAB A/S 09-May-2025 15:16:41 PM 50 1303.50 XCSE
GENMAB A/S 09-May-2025 15:16:41 PM 15 1303.50 XCSE
GENMAB A/S 09-May-2025 15:16:41 PM 36 1303.50 XCSE
GENMAB A/S 09-May-2025 15:16:41 PM 25 1304.00 TQEX
GENMAB A/S 09-May-2025 15:16:41 PM 72 1303.50 CEUX
GENMAB A/S 09-May-2025 15:16:41 PM 1 1303.00 CEUX
GENMAB A/S 09-May-2025 15:16:52 PM 50 1303.00 CEUX
GENMAB A/S 09-May-2025 15:16:52 PM 21 1303.00 CEUX
GENMAB A/S 09-May-2025 15:17:03 PM 19 1303.00 AQEU
GENMAB A/S 09-May-2025 15:17:36 PM 76 1303.00 XCSE
GENMAB A/S 09-May-2025 15:17:36 PM 10 1303.00 CEUX
GENMAB A/S 09-May-2025 15:17:36 PM 32 1303.00 CEUX
GENMAB A/S 09-May-2025 15:17:46 PM 12 1303.00 AQEU
GENMAB A/S 09-May-2025 15:17:56 PM 74 1302.50 XCSE
GENMAB A/S 09-May-2025 15:17:56 PM 12 1302.50 CEUX
GENMAB A/S 09-May-2025 15:18:08 PM 19 1302.50 AQEU
GENMAB A/S 09-May-2025 15:18:19 PM 74 1302.00 XCSE
GENMAB A/S 09-May-2025 15:18:19 PM 6 1302.00 CEUX
GENMAB A/S 09-May-2025 15:18:19 PM 49 1302.00 CEUX
GENMAB A/S 09-May-2025 15:18:30 PM 76 1301.50 XCSE
GENMAB A/S 09-May-2025 15:18:30 PM 35 1301.50 CEUX
GENMAB A/S 09-May-2025 15:19:08 PM 77 1303.00 XCSE
GENMAB A/S 09-May-2025 15:19:08 PM 30 1303.00 CEUX
GENMAB A/S 09-May-2025 15:19:50 PM 4 1302.50 CEUX
GENMAB A/S 09-May-2025 15:20:05 PM 25 1303.00 TQEX
GENMAB A/S 09-May-2025 15:20:12 PM 19 1302.50 CEUX
GENMAB A/S 09-May-2025 15:20:12 PM 8 1302.50 CEUX
GENMAB A/S 09-May-2025 15:20:39 PM 6 1303.00 XCSE
GENMAB A/S 09-May-2025 15:20:39 PM 4 1303.00 XCSE
GENMAB A/S 09-May-2025 15:20:39 PM 5 1303.00 XCSE
GENMAB A/S 09-May-2025 15:20:40 PM 2 1303.00 XCSE
GENMAB A/S 09-May-2025 15:20:40 PM 19 1303.00 XCSE
GENMAB A/S 09-May-2025 15:20:40 PM 6 1303.00 XCSE
127




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 15:20:49 PM 3 1303.00 XCSE
GENMAB A/S 09-May-2025 15:20:49 PM 3 1303.00 XCSE
GENMAB A/S 09-May-2025 15:20:49 PM 4 1303.00 XCSE
GENMAB A/S 09-May-2025 15:20:59 PM 3 1303.00 XCSE
GENMAB A/S 09-May-2025 15:20:59 PM 3 1303.00 XCSE
GENMAB A/S 09-May-2025 15:21:01 PM 2 1303.00 XCSE
GENMAB A/S 09-May-2025 15:21:01 PM 9 1303.00 XCSE
GENMAB A/S 09-May-2025 15:21:09 PM 6 1303.00 XCSE
GENMAB A/S 09-May-2025 15:21:09 PM 6 1303.00 XCSE
GENMAB A/S 09-May-2025 15:21:12 PM 3 1303.00 XCSE
GENMAB A/S 09-May-2025 15:21:12 PM 4 1303.00 XCSE
GENMAB A/S 09-May-2025 15:21:15 PM 9 1303.00 XCSE
GENMAB A/S 09-May-2025 15:21:29 PM 6 1303.00 XCSE
GENMAB A/S 09-May-2025 15:21:29 PM 4 1303.00 XCSE
GENMAB A/S 09-May-2025 15:21:30 PM 4 1303.00 XCSE
GENMAB A/S 09-May-2025 15:21:32 PM 2 1303.00 XCSE
GENMAB A/S 09-May-2025 15:21:32 PM 7 1303.00 XCSE
GENMAB A/S 09-May-2025 15:21:33 PM 6 1303.00 XCSE
GENMAB A/S 09-May-2025 15:21:52 PM 37 1303.00 XCSE
GENMAB A/S 09-May-2025 15:21:52 PM 14 1303.00 XCSE
GENMAB A/S 09-May-2025 15:21:52 PM 11 1303.00 XCSE
GENMAB A/S 09-May-2025 15:22:04 PM 7 1303.00 XCSE
GENMAB A/S 09-May-2025 15:22:07 PM 3 1303.00 XCSE
GENMAB A/S 09-May-2025 15:22:10 PM 3 1303.00 XCSE
GENMAB A/S 09-May-2025 15:22:48 PM 10 1303.00 XCSE
GENMAB A/S 09-May-2025 15:22:58 PM 14 1302.50 AQEU
GENMAB A/S 09-May-2025 15:23:09 PM 26 1303.00 AQEU
GENMAB A/S 09-May-2025 15:23:09 PM 75 1303.00 CEUX
GENMAB A/S 09-May-2025 15:23:10 PM 16 1303.00 XCSE
GENMAB A/S 09-May-2025 15:23:10 PM 8 1303.00 XCSE
GENMAB A/S 09-May-2025 15:23:13 PM 3 1303.00 XCSE
GENMAB A/S 09-May-2025 15:23:18 PM 19 1303.00 XCSE
GENMAB A/S 09-May-2025 15:23:19 PM 6 1303.00 XCSE
GENMAB A/S 09-May-2025 15:23:22 PM 3 1303.00 XCSE
GENMAB A/S 09-May-2025 15:23:25 PM 3 1303.00 XCSE
GENMAB A/S 09-May-2025 15:23:53 PM 6 1302.50 CEUX
GENMAB A/S 09-May-2025 15:24:04 PM 11 1303.00 XCSE
GENMAB A/S 09-May-2025 15:24:04 PM 19 1302.50 CEUX
GENMAB A/S 09-May-2025 15:24:07 PM 4 1303.00 XCSE
GENMAB A/S 09-May-2025 15:24:08 PM 75 1302.50 XCSE
GENMAB A/S 09-May-2025 15:24:15 PM 19 1302.50 CEUX
GENMAB A/S 09-May-2025 15:24:37 PM 19 1302.50 CEUX
128




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 15:24:40 PM 12 1303.00 XCSE
GENMAB A/S 09-May-2025 15:24:43 PM 7 1303.00 XCSE
GENMAB A/S 09-May-2025 15:24:48 PM 9 1303.00 XCSE
GENMAB A/S 09-May-2025 15:24:48 PM 11 1302.50 CEUX
GENMAB A/S 09-May-2025 15:24:51 PM 6 1303.00 XCSE
GENMAB A/S 09-May-2025 15:24:53 PM 8 1303.00 XCSE
GENMAB A/S 09-May-2025 15:24:54 PM 3 1303.00 XCSE
GENMAB A/S 09-May-2025 15:24:56 PM 5 1303.00 XCSE
GENMAB A/S 09-May-2025 15:25:00 PM 29 1303.00 XCSE
GENMAB A/S 09-May-2025 15:25:00 PM 6 1303.00 XCSE
GENMAB A/S 09-May-2025 15:25:00 PM 8 1303.00 XCSE
GENMAB A/S 09-May-2025 15:25:03 PM 6 1303.00 XCSE
GENMAB A/S 09-May-2025 15:25:09 PM 6 1303.00 XCSE
GENMAB A/S 09-May-2025 15:25:09 PM 37 1303.00 XCSE
GENMAB A/S 09-May-2025 15:25:12 PM 3 1303.00 XCSE
GENMAB A/S 09-May-2025 15:25:21 PM 35 1302.00 XCSE
GENMAB A/S 09-May-2025 15:25:21 PM 44 1302.00 XCSE
GENMAB A/S 09-May-2025 15:25:21 PM 25 1302.50 TQEX
GENMAB A/S 09-May-2025 15:25:21 PM 11 1302.50 AQEU
GENMAB A/S 09-May-2025 15:25:21 PM 13 1302.00 CEUX
GENMAB A/S 09-May-2025 15:25:21 PM 14 1302.00 CEUX
GENMAB A/S 09-May-2025 15:25:43 PM 19 1301.50 CEUX
GENMAB A/S 09-May-2025 15:25:54 PM 19 1301.50 CEUX
GENMAB A/S 09-May-2025 15:26:05 PM 19 1301.50 CEUX
GENMAB A/S 09-May-2025 15:26:16 PM 19 1301.50 CEUX
GENMAB A/S 09-May-2025 15:26:27 PM 79 1301.50 XCSE
GENMAB A/S 09-May-2025 15:26:27 PM 3 1301.50 CEUX
GENMAB A/S 09-May-2025 15:26:38 PM 19 1301.50 AQEU
GENMAB A/S 09-May-2025 15:27:44 PM 77 1301.00 XCSE
GENMAB A/S 09-May-2025 15:27:44 PM 75 1300.50 XCSE
GENMAB A/S 09-May-2025 15:27:44 PM 25 1301.00 TQEX
GENMAB A/S 09-May-2025 15:27:44 PM 6 1301.50 AQEU
GENMAB A/S 09-May-2025 15:27:44 PM 76 1301.00 CEUX
GENMAB A/S 09-May-2025 15:27:44 PM 79 1300.50 CEUX
GENMAB A/S 09-May-2025 15:27:45 PM 79 1300.00 XCSE
GENMAB A/S 09-May-2025 15:27:45 PM 2 1299.50 XCSE
GENMAB A/S 09-May-2025 15:27:45 PM 75 1299.50 XCSE
GENMAB A/S 09-May-2025 15:27:45 PM 77 1299.00 XCSE
GENMAB A/S 09-May-2025 15:27:45 PM 71 1298.50 XCSE
GENMAB A/S 09-May-2025 15:27:45 PM 25 1300.00 AQEU
GENMAB A/S 09-May-2025 15:27:45 PM 78 1300.00 CEUX
GENMAB A/S 09-May-2025 15:27:45 PM 78 1299.50 CEUX
129




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 15:27:45 PM 27 1299.00 CEUX
GENMAB A/S 09-May-2025 15:27:45 PM 10 1299.00 CEUX
GENMAB A/S 09-May-2025 15:27:45 PM 40 1299.00 CEUX
GENMAB A/S 09-May-2025 15:27:45 PM 74 1298.50 CEUX
GENMAB A/S 09-May-2025 15:28:01 PM 22 1299.00 XCSE
GENMAB A/S 09-May-2025 15:28:26 PM 12 1299.00 XCSE
GENMAB A/S 09-May-2025 15:28:26 PM 25 1299.00 CEUX
GENMAB A/S 09-May-2025 15:28:31 PM 32 1298.50 XCSE
GENMAB A/S 09-May-2025 15:28:31 PM 27 1298.00 XCSE
GENMAB A/S 09-May-2025 15:28:31 PM 25 1298.50 TQEX
GENMAB A/S 09-May-2025 15:28:33 PM 19 1298.00 CEUX
GENMAB A/S 09-May-2025 15:28:33 PM 6 1298.00 CEUX
GENMAB A/S 09-May-2025 15:28:48 PM 19 1297.50 CEUX
GENMAB A/S 09-May-2025 15:28:55 PM 31 1297.50 XCSE
GENMAB A/S 09-May-2025 15:28:55 PM 7 1297.50 CEUX
GENMAB A/S 09-May-2025 15:29:04 PM 5 1297.00 CEUX
GENMAB A/S 09-May-2025 15:29:30 PM 29 1298.00 XCSE
GENMAB A/S 09-May-2025 15:29:32 PM 19 1297.50 CEUX
GENMAB A/S 09-May-2025 15:29:38 PM 29 1300.00 CEUX
GENMAB A/S 09-May-2025 15:29:39 PM 52 1299.00 XCSE
GENMAB A/S 09-May-2025 15:29:39 PM 32 1299.50 CEUX
GENMAB A/S 09-May-2025 15:30:05 PM 27 1302.00 XCSE
GENMAB A/S 09-May-2025 15:30:05 PM 30 1302.00 XCSE
GENMAB A/S 09-May-2025 15:30:05 PM 51 1301.50 XCSE
GENMAB A/S 09-May-2025 15:30:05 PM 25 1302.00 CEUX
GENMAB A/S 09-May-2025 15:30:05 PM 8 1301.50 CEUX
GENMAB A/S 09-May-2025 15:30:05 PM 20 1301.50 CEUX
GENMAB A/S 09-May-2025 15:30:08 PM 19 1301.00 TQEX
GENMAB A/S 09-May-2025 15:30:10 PM 43 1301.00 XCSE
GENMAB A/S 09-May-2025 15:30:10 PM 6 1301.00 TQEX
GENMAB A/S 09-May-2025 15:30:10 PM 26 1301.00 AQEU
GENMAB A/S 09-May-2025 15:30:14 PM 19 1301.00 CEUX
GENMAB A/S 09-May-2025 15:30:20 PM 19 1302.50 AQEU
GENMAB A/S 09-May-2025 15:30:21 PM 25 1302.50 CEUX
GENMAB A/S 09-May-2025 15:30:23 PM 35 1302.00 XCSE
GENMAB A/S 09-May-2025 15:30:23 PM 34 1301.50 XCSE
GENMAB A/S 09-May-2025 15:30:23 PM 26 1302.00 CEUX
GENMAB A/S 09-May-2025 15:30:23 PM 28 1301.50 CEUX
GENMAB A/S 09-May-2025 15:30:27 PM 26 1302.50 XCSE
GENMAB A/S 09-May-2025 15:30:30 PM 26 1301.50 XCSE
GENMAB A/S 09-May-2025 15:30:32 PM 30 1301.00 CEUX
GENMAB A/S 09-May-2025 15:30:43 PM 6 1299.50 CEUX
130




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 15:30:43 PM 21 1299.50 CEUX
GENMAB A/S 09-May-2025 15:30:47 PM 21 1299.00 XCSE
GENMAB A/S 09-May-2025 15:30:47 PM 10 1299.00 XCSE
GENMAB A/S 09-May-2025 15:30:51 PM 32 1298.50 CEUX
GENMAB A/S 09-May-2025 15:30:53 PM 19 1298.00 CEUX
GENMAB A/S 09-May-2025 15:31:09 PM 37 1304.50 XCSE
GENMAB A/S 09-May-2025 15:31:09 PM 50 1304.00 XCSE
GENMAB A/S 09-May-2025 15:31:09 PM 26 1304.00 TQEX
GENMAB A/S 09-May-2025 15:31:09 PM 29 1304.50 AQEU
GENMAB A/S 09-May-2025 15:31:12 PM 25 1304.50 TQEX
GENMAB A/S 09-May-2025 15:31:12 PM 34 1304.50 CEUX
GENMAB A/S 09-May-2025 15:31:20 PM 19 1304.00 CEUX
GENMAB A/S 09-May-2025 15:31:21 PM 40 1304.50 XCSE
GENMAB A/S 09-May-2025 15:31:23 PM 15 1304.00 CEUX
GENMAB A/S 09-May-2025 15:31:27 PM 28 1304.00 XCSE
GENMAB A/S 09-May-2025 15:31:31 PM 30 1304.50 XCSE
GENMAB A/S 09-May-2025 15:31:33 PM 25 1304.00 XCSE
GENMAB A/S 09-May-2025 15:31:33 PM 26 1303.50 XCSE
GENMAB A/S 09-May-2025 15:31:33 PM 35 1303.50 CEUX
GENMAB A/S 09-May-2025 15:31:33 PM 6 1303.00 CEUX
GENMAB A/S 09-May-2025 15:31:33 PM 10 1303.00 CEUX
GENMAB A/S 09-May-2025 15:31:33 PM 3 1303.00 CEUX
GENMAB A/S 09-May-2025 15:31:33 PM 2 1303.00 CEUX
GENMAB A/S 09-May-2025 15:31:33 PM 5 1303.00 CEUX
GENMAB A/S 09-May-2025 15:31:35 PM 25 1303.00 XCSE
GENMAB A/S 09-May-2025 15:31:37 PM 19 1302.50 CEUX
GENMAB A/S 09-May-2025 15:31:43 PM 13 1304.00 XCSE
GENMAB A/S 09-May-2025 15:31:43 PM 62 1304.00 XCSE
GENMAB A/S 09-May-2025 15:31:46 PM 5 1303.50 CEUX
GENMAB A/S 09-May-2025 15:31:48 PM 19 1303.50 CEUX
GENMAB A/S 09-May-2025 15:31:51 PM 77 1306.50 XCSE
GENMAB A/S 09-May-2025 15:31:57 PM 37 1306.00 XCSE
GENMAB A/S 09-May-2025 15:31:57 PM 5 1306.00 XCSE
GENMAB A/S 09-May-2025 15:32:00 PM 5 1306.00 XCSE
GENMAB A/S 09-May-2025 15:32:03 PM 10 1306.00 XCSE
GENMAB A/S 09-May-2025 15:32:03 PM 22 1306.00 XCSE
GENMAB A/S 09-May-2025 15:32:06 PM 70 1305.50 XCSE
GENMAB A/S 09-May-2025 15:32:06 PM 25 1305.50 AQEU
GENMAB A/S 09-May-2025 15:32:06 PM 2 1305.50 CEUX
GENMAB A/S 09-May-2025 15:32:06 PM 38 1305.50 CEUX
GENMAB A/S 09-May-2025 15:32:08 PM 19 1305.00 CEUX
GENMAB A/S 09-May-2025 15:32:11 PM 13 1305.00 CEUX
131




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 15:32:15 PM 77 1305.00 XCSE
GENMAB A/S 09-May-2025 15:32:17 PM 25 1304.50 XCSE
GENMAB A/S 09-May-2025 15:32:17 PM 19 1304.50 TQEX
GENMAB A/S 09-May-2025 15:32:17 PM 37 1304.50 CEUX
GENMAB A/S 09-May-2025 15:32:20 PM 8 1304.00 XCSE
GENMAB A/S 09-May-2025 15:32:20 PM 18 1304.00 XCSE
GENMAB A/S 09-May-2025 15:32:20 PM 39 1304.00 CEUX
GENMAB A/S 09-May-2025 15:32:21 PM 28 1303.50 XCSE
GENMAB A/S 09-May-2025 15:32:21 PM 1 1303.50 CEUX
GENMAB A/S 09-May-2025 15:32:21 PM 36 1303.50 CEUX
GENMAB A/S 09-May-2025 15:32:23 PM 19 1303.00 CEUX
GENMAB A/S 09-May-2025 15:32:33 PM 26 1303.00 XCSE
GENMAB A/S 09-May-2025 15:32:37 PM 13 1302.50 CEUX
GENMAB A/S 09-May-2025 15:32:40 PM 19 1302.50 CEUX
GENMAB A/S 09-May-2025 15:32:43 PM 1 1302.50 CEUX
GENMAB A/S 09-May-2025 15:32:44 PM 25 1303.50 XCSE
GENMAB A/S 09-May-2025 15:32:51 PM 41 1304.50 CEUX
GENMAB A/S 09-May-2025 15:32:52 PM 19 1304.00 CEUX
GENMAB A/S 09-May-2025 15:33:01 PM 32 1305.00 CEUX
GENMAB A/S 09-May-2025 15:33:14 PM 31 1307.00 XCSE
GENMAB A/S 09-May-2025 15:33:14 PM 4 1306.50 XCSE
GENMAB A/S 09-May-2025 15:33:14 PM 21 1306.50 XCSE
GENMAB A/S 09-May-2025 15:33:14 PM 25 1307.00 TQEX
GENMAB A/S 09-May-2025 15:33:14 PM 29 1306.50 AQEU
GENMAB A/S 09-May-2025 15:33:14 PM 2 1306.50 AQEU
GENMAB A/S 09-May-2025 15:33:14 PM 18 1306.50 CEUX
GENMAB A/S 09-May-2025 15:33:14 PM 18 1306.50 CEUX
GENMAB A/S 09-May-2025 15:33:21 PM 27 1306.00 XCSE
GENMAB A/S 09-May-2025 15:33:21 PM 37 1306.00 CEUX
GENMAB A/S 09-May-2025 15:33:21 PM 32 1305.50 CEUX
GENMAB A/S 09-May-2025 15:33:24 PM 29 1305.00 XCSE
GENMAB A/S 09-May-2025 15:33:24 PM 6 1305.00 CEUX
GENMAB A/S 09-May-2025 15:33:24 PM 19 1305.00 CEUX
GENMAB A/S 09-May-2025 15:33:35 PM 20 1306.50 XCSE
GENMAB A/S 09-May-2025 15:33:35 PM 9 1306.50 XCSE
GENMAB A/S 09-May-2025 15:33:35 PM 19 1306.50 CEUX
GENMAB A/S 09-May-2025 15:33:53 PM 46 1308.50 CEUX
GENMAB A/S 09-May-2025 15:33:53 PM 27 1308.50 CEUX
GENMAB A/S 09-May-2025 15:33:57 PM 1 1309.50 TQEX
GENMAB A/S 09-May-2025 15:34:15 PM 2 1311.50 CEUX
GENMAB A/S 09-May-2025 15:34:15 PM 19 1311.50 CEUX
GENMAB A/S 09-May-2025 15:34:20 PM 16 1311.50 CEUX
132




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 15:34:36 PM 58 1312.50 XCSE
GENMAB A/S 09-May-2025 15:34:36 PM 61 1312.00 XCSE
GENMAB A/S 09-May-2025 15:34:36 PM 31 1312.50 TQEX
GENMAB A/S 09-May-2025 15:34:36 PM 26 1312.50 AQEU
GENMAB A/S 09-May-2025 15:34:36 PM 47 1312.50 CEUX
GENMAB A/S 09-May-2025 15:34:36 PM 54 1312.00 CEUX
GENMAB A/S 09-May-2025 15:34:44 PM 33 1312.50 XCSE
GENMAB A/S 09-May-2025 15:35:17 PM 25 1313.00 AQEU
GENMAB A/S 09-May-2025 15:35:20 PM 40 1313.00 XCSE
GENMAB A/S 09-May-2025 15:35:20 PM 79 1313.00 CEUX
GENMAB A/S 09-May-2025 15:35:30 PM 59 1315.00 XCSE
GENMAB A/S 09-May-2025 15:35:30 PM 27 1315.00 TQEX
GENMAB A/S 09-May-2025 15:35:30 PM 59 1315.00 CEUX
GENMAB A/S 09-May-2025 15:35:44 PM 42 1315.50 XCSE
GENMAB A/S 09-May-2025 15:35:44 PM 44 1315.50 CEUX
GENMAB A/S 09-May-2025 15:35:44 PM 8 1315.50 CEUX
GENMAB A/S 09-May-2025 15:36:02 PM 35 1316.00 XCSE
GENMAB A/S 09-May-2025 15:36:02 PM 43 1316.00 CEUX
GENMAB A/S 09-May-2025 15:36:05 PM 29 1315.50 XCSE
GENMAB A/S 09-May-2025 15:36:05 PM 31 1315.50 CEUX
GENMAB A/S 09-May-2025 15:36:17 PM 27 1315.00 XCSE
GENMAB A/S 09-May-2025 15:36:17 PM 40 1315.00 CEUX
GENMAB A/S 09-May-2025 15:36:41 PM 74 1318.00 XCSE
GENMAB A/S 09-May-2025 15:36:41 PM 80 1317.50 XCSE
GENMAB A/S 09-May-2025 15:36:41 PM 27 1318.00 TQEX
GENMAB A/S 09-May-2025 15:36:41 PM 29 1317.50 TQEX
GENMAB A/S 09-May-2025 15:36:41 PM 26 1318.00 AQEU
GENMAB A/S 09-May-2025 15:36:41 PM 27 1317.50 AQEU
GENMAB A/S 09-May-2025 15:36:41 PM 25 1317.50 CEUX
GENMAB A/S 09-May-2025 15:36:51 PM 85 1320.00 XCSE
GENMAB A/S 09-May-2025 15:36:51 PM 16 1320.00 XCSE
GENMAB A/S 09-May-2025 15:36:52 PM 19 1320.00 XCSE
GENMAB A/S 09-May-2025 15:36:52 PM 50 1320.00 XCSE
GENMAB A/S 09-May-2025 15:36:52 PM 32 1320.00 XCSE
GENMAB A/S 09-May-2025 15:36:52 PM 79 1320.00 XCSE
GENMAB A/S 09-May-2025 15:36:52 PM 37 1320.00 XCSE
GENMAB A/S 09-May-2025 15:36:52 PM 35 1320.00 CEUX
GENMAB A/S 09-May-2025 15:36:54 PM 14 1319.50 CEUX
GENMAB A/S 09-May-2025 15:36:56 PM 76 1319.50 XCSE
GENMAB A/S 09-May-2025 15:36:56 PM 73 1319.00 XCSE
GENMAB A/S 09-May-2025 15:36:56 PM 79 1318.50 XCSE
GENMAB A/S 09-May-2025 15:36:56 PM 30 1318.00 XCSE
133




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 15:36:56 PM 37 1318.00 XCSE
GENMAB A/S 09-May-2025 15:36:56 PM 8 1318.00 XCSE
GENMAB A/S 09-May-2025 15:36:56 PM 37 1317.50 XCSE
GENMAB A/S 09-May-2025 15:36:56 PM 30 1317.50 XCSE
GENMAB A/S 09-May-2025 15:36:56 PM 10 1317.50 XCSE
GENMAB A/S 09-May-2025 15:36:56 PM 74 1317.00 XCSE
GENMAB A/S 09-May-2025 15:36:56 PM 25 1319.50 CEUX
GENMAB A/S 09-May-2025 15:36:56 PM 5 1319.00 CEUX
GENMAB A/S 09-May-2025 15:36:56 PM 35 1319.00 CEUX
GENMAB A/S 09-May-2025 15:37:00 PM 8 1317.00 XCSE
GENMAB A/S 09-May-2025 15:37:00 PM 72 1317.00 XCSE
GENMAB A/S 09-May-2025 15:37:00 PM 12 1316.50 XCSE
GENMAB A/S 09-May-2025 15:37:00 PM 65 1316.50 XCSE
GENMAB A/S 09-May-2025 15:37:03 PM 61 1316.00 XCSE
GENMAB A/S 09-May-2025 15:37:03 PM 14 1316.00 XCSE
GENMAB A/S 09-May-2025 15:37:07 PM 3 1317.50 XCSE
GENMAB A/S 09-May-2025 15:37:09 PM 55 1318.00 XCSE
GENMAB A/S 09-May-2025 15:37:18 PM 50 1319.00 XCSE
GENMAB A/S 09-May-2025 15:37:18 PM 29 1318.50 XCSE
GENMAB A/S 09-May-2025 15:37:18 PM 50 1318.00 XCSE
GENMAB A/S 09-May-2025 15:37:18 PM 11 1317.50 XCSE
GENMAB A/S 09-May-2025 15:37:18 PM 14 1317.50 XCSE
GENMAB A/S 09-May-2025 15:37:18 PM 27 1317.00 XCSE
GENMAB A/S 09-May-2025 15:37:18 PM 27 1318.50 CEUX
GENMAB A/S 09-May-2025 15:37:32 PM 25 1318.00 XCSE
GENMAB A/S 09-May-2025 15:37:32 PM 26 1318.00 CEUX
GENMAB A/S 09-May-2025 15:37:53 PM 26 1318.50 XCSE
GENMAB A/S 09-May-2025 15:37:53 PM 23 1318.50 CEUX
GENMAB A/S 09-May-2025 15:37:53 PM 7 1318.50 CEUX
GENMAB A/S 09-May-2025 15:37:59 PM 26 1317.50 XCSE
GENMAB A/S 09-May-2025 15:38:31 PM 28 1318.00 XCSE
GENMAB A/S 09-May-2025 15:38:31 PM 31 1318.00 CEUX
GENMAB A/S 09-May-2025 15:38:31 PM 1 1317.50 CEUX
GENMAB A/S 09-May-2025 15:38:35 PM 19 1317.50 CEUX
GENMAB A/S 09-May-2025 15:38:36 PM 6 1317.50 CEUX
GENMAB A/S 09-May-2025 15:38:42 PM 26 1317.00 XCSE
GENMAB A/S 09-May-2025 15:38:42 PM 31 1317.00 CEUX
GENMAB A/S 09-May-2025 15:38:45 PM 14 1316.00 CEUX
GENMAB A/S 09-May-2025 15:38:45 PM 19 1316.00 CEUX
GENMAB A/S 09-May-2025 15:38:58 PM 28 1317.50 XCSE
GENMAB A/S 09-May-2025 15:39:05 PM 25 1317.00 XCSE
GENMAB A/S 09-May-2025 15:39:05 PM 32 1317.00 CEUX
134




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 15:39:21 PM 34 1318.00 CEUX
GENMAB A/S 09-May-2025 15:39:35 PM 7 1317.00 XCSE
GENMAB A/S 09-May-2025 15:39:35 PM 21 1317.00 XCSE
GENMAB A/S 09-May-2025 15:39:48 PM 25 1316.00 CEUX
GENMAB A/S 09-May-2025 15:39:48 PM 26 1315.50 CEUX
GENMAB A/S 09-May-2025 15:39:49 PM 26 1314.00 XCSE
GENMAB A/S 09-May-2025 15:39:54 PM 30 1313.00 XCSE
GENMAB A/S 09-May-2025 15:39:54 PM 20 1312.50 XCSE
GENMAB A/S 09-May-2025 15:39:54 PM 2 1313.00 CEUX
GENMAB A/S 09-May-2025 15:39:54 PM 29 1313.00 CEUX
GENMAB A/S 09-May-2025 15:40:07 PM 2 1313.00 CEUX
GENMAB A/S 09-May-2025 15:40:10 PM 19 1313.00 AQEU
GENMAB A/S 09-May-2025 15:40:41 PM 25 1315.00 XCSE
GENMAB A/S 09-May-2025 15:40:41 PM 35 1314.50 XCSE
GENMAB A/S 09-May-2025 15:40:41 PM 26 1315.50 TQEX
GENMAB A/S 09-May-2025 15:40:41 PM 45 1316.00 CEUX
GENMAB A/S 09-May-2025 15:40:41 PM 41 1315.50 CEUX
GENMAB A/S 09-May-2025 15:40:42 PM 28 1313.50 XCSE
GENMAB A/S 09-May-2025 15:40:46 PM 19 1313.00 XCSE
GENMAB A/S 09-May-2025 15:40:46 PM 8 1313.00 XCSE
GENMAB A/S 09-May-2025 15:40:57 PM 34 1313.00 CEUX
GENMAB A/S 09-May-2025 15:41:03 PM 1 1312.50 XCSE
GENMAB A/S 09-May-2025 15:41:07 PM 19 1312.50 XCSE
GENMAB A/S 09-May-2025 15:41:11 PM 8 1312.50 XCSE
GENMAB A/S 09-May-2025 15:41:19 PM 26 1312.00 CEUX
GENMAB A/S 09-May-2025 15:41:25 PM 26 1311.50 CEUX
GENMAB A/S 09-May-2025 15:41:27 PM 23 1311.00 XCSE
GENMAB A/S 09-May-2025 15:41:31 PM 5 1311.00 XCSE
GENMAB A/S 09-May-2025 15:41:31 PM 16 1311.00 CEUX
GENMAB A/S 09-May-2025 15:41:35 PM 25 1310.50 CEUX
GENMAB A/S 09-May-2025 15:41:46 PM 21 1310.50 XCSE
GENMAB A/S 09-May-2025 15:41:46 PM 4 1310.50 XCSE
GENMAB A/S 09-May-2025 15:41:46 PM 25 1310.50 AQEU
GENMAB A/S 09-May-2025 15:41:46 PM 27 1310.50 CEUX
GENMAB A/S 09-May-2025 15:41:54 PM 21 1309.00 XCSE
GENMAB A/S 09-May-2025 15:41:58 PM 6 1309.00 XCSE
GENMAB A/S 09-May-2025 15:42:10 PM 1 1310.50 XCSE
GENMAB A/S 09-May-2025 15:42:13 PM 24 1310.50 XCSE
GENMAB A/S 09-May-2025 15:42:13 PM 13 1310.00 CEUX
GENMAB A/S 09-May-2025 15:42:13 PM 12 1310.00 CEUX
GENMAB A/S 09-May-2025 15:42:26 PM 5 1309.50 CEUX
GENMAB A/S 09-May-2025 15:42:31 PM 21 1309.50 CEUX
135




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 15:42:35 PM 25 1309.00 TQEX
GENMAB A/S 09-May-2025 15:42:35 PM 9 1309.50 CEUX
GENMAB A/S 09-May-2025 15:42:35 PM 22 1309.00 CEUX
GENMAB A/S 09-May-2025 15:42:35 PM 3 1309.00 CEUX
GENMAB A/S 09-May-2025 15:42:35 PM 32 1308.50 CEUX
GENMAB A/S 09-May-2025 15:42:36 PM 25 1308.00 XCSE
GENMAB A/S 09-May-2025 15:42:50 PM 29 1309.50 XCSE
GENMAB A/S 09-May-2025 15:42:59 PM 19 1309.00 XCSE
GENMAB A/S 09-May-2025 15:43:02 PM 8 1309.00 XCSE
GENMAB A/S 09-May-2025 15:43:02 PM 37 1309.00 CEUX
GENMAB A/S 09-May-2025 15:43:20 PM 25 1309.50 CEUX
GENMAB A/S 09-May-2025 15:43:27 PM 20 1309.50 XCSE
GENMAB A/S 09-May-2025 15:43:45 PM 6 1310.50 XCSE
GENMAB A/S 09-May-2025 15:43:50 PM 10 1310.50 TQEX
GENMAB A/S 09-May-2025 15:43:52 PM 4 1310.50 XCSE
GENMAB A/S 09-May-2025 15:43:52 PM 3 1310.50 XCSE
GENMAB A/S 09-May-2025 15:43:52 PM 3 1310.50 XCSE
GENMAB A/S 09-May-2025 15:43:53 PM 13 1310.50 XCSE
GENMAB A/S 09-May-2025 15:44:05 PM 36 1310.50 CEUX
GENMAB A/S 09-May-2025 15:44:10 PM 15 1310.00 XCSE
GENMAB A/S 09-May-2025 15:44:10 PM 13 1310.00 XCSE
GENMAB A/S 09-May-2025 15:44:10 PM 33 1310.00 CEUX
GENMAB A/S 09-May-2025 15:44:11 PM 11 1310.00 AQEU
GENMAB A/S 09-May-2025 15:44:15 PM 12 1309.50 XCSE
GENMAB A/S 09-May-2025 15:44:15 PM 20 1309.50 XCSE
GENMAB A/S 09-May-2025 15:44:15 PM 36 1309.50 CEUX
GENMAB A/S 09-May-2025 15:44:18 PM 26 1309.00 XCSE
GENMAB A/S 09-May-2025 15:44:18 PM 42 1309.00 CEUX
GENMAB A/S 09-May-2025 15:44:31 PM 2 1310.00 XCSE
GENMAB A/S 09-May-2025 15:44:36 PM 23 1310.00 XCSE
GENMAB A/S 09-May-2025 15:44:39 PM 15 1309.50 XCSE
GENMAB A/S 09-May-2025 15:44:42 PM 10 1309.50 XCSE
GENMAB A/S 09-May-2025 15:44:44 PM 28 1309.50 CEUX
GENMAB A/S 09-May-2025 15:44:53 PM 14 1309.00 XCSE
GENMAB A/S 09-May-2025 15:44:56 PM 14 1309.00 XCSE
GENMAB A/S 09-May-2025 15:44:59 PM 1 1309.00 XCSE
GENMAB A/S 09-May-2025 15:44:59 PM 10 1309.00 CEUX
GENMAB A/S 09-May-2025 15:45:05 PM 13 1309.00 CEUX
GENMAB A/S 09-May-2025 15:45:05 PM 1 1309.00 CEUX
GENMAB A/S 09-May-2025 15:45:05 PM 6 1309.00 CEUX
GENMAB A/S 09-May-2025 15:45:26 PM 5 1311.00 XCSE
GENMAB A/S 09-May-2025 15:45:26 PM 21 1311.00 XCSE
136




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 15:45:26 PM 26 1311.00 TQEX
GENMAB A/S 09-May-2025 15:45:26 PM 46 1311.00 CEUX
GENMAB A/S 09-May-2025 15:45:26 PM 9 1311.00 CEUX
GENMAB A/S 09-May-2025 15:45:26 PM 20 1310.50 CEUX
GENMAB A/S 09-May-2025 15:45:37 PM 36 1311.00 XCSE
GENMAB A/S 09-May-2025 15:45:37 PM 19 1311.00 XCSE
GENMAB A/S 09-May-2025 15:45:37 PM 14 1311.00 XCSE
GENMAB A/S 09-May-2025 15:45:37 PM 9 1311.00 XCSE
GENMAB A/S 09-May-2025 15:45:37 PM 2 1311.00 AQEU
GENMAB A/S 09-May-2025 15:45:37 PM 5 1311.00 AQEU
GENMAB A/S 09-May-2025 15:45:37 PM 18 1311.00 AQEU
GENMAB A/S 09-May-2025 15:45:37 PM 32 1311.00 CEUX
GENMAB A/S 09-May-2025 15:45:45 PM 22 1311.00 XCSE
GENMAB A/S 09-May-2025 15:45:45 PM 22 1311.00 XCSE
GENMAB A/S 09-May-2025 15:45:45 PM 23 1311.00 XCSE
GENMAB A/S 09-May-2025 15:45:45 PM 13 1311.00 XCSE
GENMAB A/S 09-May-2025 15:45:45 PM 8 1311.00 XCSE
GENMAB A/S 09-May-2025 15:45:45 PM 20 1311.00 XCSE
GENMAB A/S 09-May-2025 15:45:45 PM 6 1311.00 XCSE
GENMAB A/S 09-May-2025 15:45:45 PM 45 1311.00 XCSE
GENMAB A/S 09-May-2025 15:45:45 PM 3 1311.00 CEUX
GENMAB A/S 09-May-2025 15:45:45 PM 25 1311.00 CEUX
GENMAB A/S 09-May-2025 15:45:45 PM 25 1311.00 CEUX
GENMAB A/S 09-May-2025 15:46:00 PM 44 1312.00 XCSE
GENMAB A/S 09-May-2025 15:46:00 PM 25 1311.50 XCSE
GENMAB A/S 09-May-2025 15:46:00 PM 27 1311.50 XCSE
GENMAB A/S 09-May-2025 15:46:00 PM 25 1312.00 CEUX
GENMAB A/S 09-May-2025 15:46:00 PM 10 1312.00 CEUX
GENMAB A/S 09-May-2025 15:46:01 PM 55 1311.00 XCSE
GENMAB A/S 09-May-2025 15:46:05 PM 28 1310.50 XCSE
GENMAB A/S 09-May-2025 15:46:49 PM 43 1311.00 XCSE
GENMAB A/S 09-May-2025 15:46:49 PM 36 1311.00 XCSE
GENMAB A/S 09-May-2025 15:46:49 PM 5 1311.00 TQEX
GENMAB A/S 09-May-2025 15:46:49 PM 29 1311.00 TQEX
GENMAB A/S 09-May-2025 15:46:49 PM 35 1311.00 AQEU
GENMAB A/S 09-May-2025 15:47:22 PM 15 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:22 PM 74 1311.50 XCSE
GENMAB A/S 09-May-2025 15:47:22 PM 41 1311.50 XCSE
GENMAB A/S 09-May-2025 15:47:22 PM 63 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:22 PM 18 1311.50 CEUX
GENMAB A/S 09-May-2025 15:47:22 PM 27 1311.50 CEUX
137




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 15:47:22 PM 10 1311.50 CEUX
GENMAB A/S 09-May-2025 15:47:22 PM 22 1311.50 CEUX
GENMAB A/S 09-May-2025 15:47:22 PM 39 1311.00 CEUX
GENMAB A/S 09-May-2025 15:47:22 PM 38 1311.00 CEUX
GENMAB A/S 09-May-2025 15:47:24 PM 20 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:34 PM 78 1310.50 XCSE
GENMAB A/S 09-May-2025 15:47:34 PM 56 1310.00 XCSE
GENMAB A/S 09-May-2025 15:47:34 PM 40 1310.50 CEUX
GENMAB A/S 09-May-2025 15:47:35 PM 74 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:35 PM 3 1311.00 CEUX
GENMAB A/S 09-May-2025 15:47:35 PM 1 1311.00 CEUX
GENMAB A/S 09-May-2025 15:47:35 PM 22 1311.00 CEUX
GENMAB A/S 09-May-2025 15:47:40 PM 5 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:40 PM 33 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:40 PM 27 1311.50 XCSE
GENMAB A/S 09-May-2025 15:47:41 PM 49 1311.50 XCSE
GENMAB A/S 09-May-2025 15:47:41 PM 37 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:41 PM 78 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:41 PM 25 1311.00 CEUX
GENMAB A/S 09-May-2025 15:47:42 PM 6 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:42 PM 25 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:42 PM 13 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:43 PM 17 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:43 PM 37 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:43 PM 37 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:43 PM 16 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:43 PM 13 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:43 PM 37 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:43 PM 13 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:43 PM 20 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:44 PM 59 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:44 PM 15 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:47 PM 3 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:47 PM 20 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:47 PM 5 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:47 PM 3 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:47 PM 20 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:47 PM 5 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:47 PM 21 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:47 PM 21 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:47 PM 25 1311.00 CEUX
GENMAB A/S 09-May-2025 15:47:48 PM 12 1311.00 XCSE
138




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 15:47:49 PM 12 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:51 PM 12 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:53 PM 19 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:53 PM 37 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:53 PM 20 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:53 PM 76 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:55 PM 12 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:55 PM 37 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:55 PM 29 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:55 PM 10 1311.00 XCSE
GENMAB A/S 09-May-2025 15:47:55 PM 70 1311.00 XCSE
GENMAB A/S 09-May-2025 15:48:00 PM 77 1311.00 XCSE
GENMAB A/S 09-May-2025 15:48:00 PM 18 1311.00 CEUX
GENMAB A/S 09-May-2025 15:48:02 PM 31 1311.00 XCSE
GENMAB A/S 09-May-2025 15:48:02 PM 25 1311.00 AQEU
GENMAB A/S 09-May-2025 15:48:06 PM 26 1311.00 XCSE
GENMAB A/S 09-May-2025 15:48:13 PM 25 1311.00 CEUX
GENMAB A/S 09-May-2025 15:48:14 PM 37 1311.00 XCSE
GENMAB A/S 09-May-2025 15:48:14 PM 11 1311.00 CEUX
GENMAB A/S 09-May-2025 15:48:15 PM 17 1311.50 XCSE
GENMAB A/S 09-May-2025 15:48:15 PM 8 1311.50 XCSE
GENMAB A/S 09-May-2025 15:48:15 PM 51 1311.00 XCSE
GENMAB A/S 09-May-2025 15:48:15 PM 12 1311.00 XCSE
GENMAB A/S 09-May-2025 15:48:15 PM 15 1311.00 XCSE
GENMAB A/S 09-May-2025 15:48:15 PM 5 1311.50 TQEX
GENMAB A/S 09-May-2025 15:48:15 PM 21 1311.50 TQEX
GENMAB A/S 09-May-2025 15:48:23 PM 26 1311.00 XCSE
GENMAB A/S 09-May-2025 15:48:25 PM 33 1311.00 CEUX
GENMAB A/S 09-May-2025 15:49:00 PM 28 1310.50 XCSE
GENMAB A/S 09-May-2025 15:49:00 PM 30 1310.00 XCSE
GENMAB A/S 09-May-2025 15:49:00 PM 8 1309.50 XCSE
GENMAB A/S 09-May-2025 15:49:00 PM 27 1310.50 CEUX
GENMAB A/S 09-May-2025 15:49:00 PM 31 1310.00 CEUX
GENMAB A/S 09-May-2025 15:49:00 PM 2 1309.50 CEUX
GENMAB A/S 09-May-2025 15:49:00 PM 4 1309.50 CEUX
GENMAB A/S 09-May-2025 15:49:01 PM 4 1309.50 XCSE
GENMAB A/S 09-May-2025 15:49:01 PM 19 1309.50 XCSE
GENMAB A/S 09-May-2025 15:49:15 PM 26 1309.50 CEUX
GENMAB A/S 09-May-2025 15:49:20 PM 51 1310.00 XCSE
GENMAB A/S 09-May-2025 15:49:20 PM 19 1310.00 XCSE
GENMAB A/S 09-May-2025 15:49:20 PM 26 1310.00 CEUX
GENMAB A/S 09-May-2025 15:49:52 PM 62 1309.50 XCSE
139




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 15:49:52 PM 25 1310.00 CEUX
GENMAB A/S 09-May-2025 15:49:52 PM 25 1309.50 CEUX
GENMAB A/S 09-May-2025 15:50:52 PM 23 1309.50 AQEU
GENMAB A/S 09-May-2025 15:51:05 PM 75 1309.50 XCSE
GENMAB A/S 09-May-2025 15:51:05 PM 25 1309.50 TQEX
GENMAB A/S 09-May-2025 15:51:05 PM 25 1309.50 CEUX
GENMAB A/S 09-May-2025 15:51:11 PM 60 1309.00 XCSE
GENMAB A/S 09-May-2025 15:51:11 PM 2 1309.00 AQEU
GENMAB A/S 09-May-2025 15:51:11 PM 32 1309.00 CEUX
GENMAB A/S 09-May-2025 15:51:12 PM 77 1309.00 XCSE
GENMAB A/S 09-May-2025 15:51:12 PM 30 1309.00 AQEU
GENMAB A/S 09-May-2025 15:51:12 PM 61 1309.00 CEUX
GENMAB A/S 09-May-2025 15:52:15 PM 2 1310.00 XCSE
GENMAB A/S 09-May-2025 15:52:15 PM 37 1310.00 XCSE
GENMAB A/S 09-May-2025 15:52:15 PM 5 1310.00 XCSE
GENMAB A/S 09-May-2025 15:52:15 PM 16 1310.00 XCSE
GENMAB A/S 09-May-2025 15:52:15 PM 7 1310.00 XCSE
GENMAB A/S 09-May-2025 15:52:15 PM 7 1310.00 XCSE
GENMAB A/S 09-May-2025 15:52:15 PM 3 1310.00 XCSE
GENMAB A/S 09-May-2025 15:52:18 PM 8 1310.00 XCSE
GENMAB A/S 09-May-2025 15:52:18 PM 37 1310.00 XCSE
GENMAB A/S 09-May-2025 15:52:18 PM 40 1310.00 XCSE
GENMAB A/S 09-May-2025 15:52:29 PM 16 1310.00 XCSE
GENMAB A/S 09-May-2025 15:52:29 PM 40 1310.00 XCSE
GENMAB A/S 09-May-2025 15:52:29 PM 3 1310.00 XCSE
GENMAB A/S 09-May-2025 15:52:29 PM 3 1310.00 XCSE
GENMAB A/S 09-May-2025 15:52:29 PM 8 1310.00 XCSE
GENMAB A/S 09-May-2025 15:52:29 PM 1 1310.00 XCSE
GENMAB A/S 09-May-2025 15:52:45 PM 76 1309.50 XCSE
GENMAB A/S 09-May-2025 15:52:45 PM 80 1309.00 XCSE
GENMAB A/S 09-May-2025 15:52:45 PM 25 1309.00 TQEX
GENMAB A/S 09-May-2025 15:52:45 PM 80 1309.50 CEUX
GENMAB A/S 09-May-2025 15:52:45 PM 67 1309.00 CEUX
GENMAB A/S 09-May-2025 15:52:46 PM 20 1309.00 AQEU
GENMAB A/S 09-May-2025 15:52:50 PM 59 1308.50 XCSE
GENMAB A/S 09-May-2025 15:52:50 PM 43 1308.50 CEUX
GENMAB A/S 09-May-2025 15:53:22 PM 79 1308.00 XCSE
GENMAB A/S 09-May-2025 15:53:22 PM 76 1307.50 XCSE
GENMAB A/S 09-May-2025 15:53:22 PM 30 1307.50 TQEX
GENMAB A/S 09-May-2025 15:53:22 PM 26 1308.00 CEUX
GENMAB A/S 09-May-2025 15:53:22 PM 53 1308.00 CEUX
GENMAB A/S 09-May-2025 15:53:22 PM 65 1307.50 CEUX
140




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 15:54:14 PM 79 1308.00 XCSE
GENMAB A/S 09-May-2025 15:54:14 PM 26 1307.50 XCSE
GENMAB A/S 09-May-2025 15:54:14 PM 50 1307.50 XCSE
GENMAB A/S 09-May-2025 15:54:14 PM 4 1307.00 XCSE
GENMAB A/S 09-May-2025 15:54:14 PM 51 1308.00 CEUX
GENMAB A/S 09-May-2025 15:54:14 PM 4 1307.50 CEUX
GENMAB A/S 09-May-2025 15:54:14 PM 37 1307.50 CEUX
GENMAB A/S 09-May-2025 15:54:23 PM 25 1308.50 TQEX
GENMAB A/S 09-May-2025 15:54:23 PM 18 1308.50 AQEU
GENMAB A/S 09-May-2025 15:54:36 PM 75 1308.50 XCSE
GENMAB A/S 09-May-2025 15:54:36 PM 36 1308.50 CEUX
GENMAB A/S 09-May-2025 15:54:36 PM 14 1308.50 CEUX
GENMAB A/S 09-May-2025 15:54:44 PM 12 1308.00 XCSE
GENMAB A/S 09-May-2025 15:54:44 PM 63 1308.00 XCSE
GENMAB A/S 09-May-2025 15:54:44 PM 59 1308.00 CEUX
GENMAB A/S 09-May-2025 15:54:45 PM 5 1307.50 CEUX
GENMAB A/S 09-May-2025 15:54:45 PM 10 1307.50 CEUX
GENMAB A/S 09-May-2025 15:54:45 PM 30 1307.50 CEUX
GENMAB A/S 09-May-2025 15:54:45 PM 10 1307.50 CEUX
GENMAB A/S 09-May-2025 15:54:46 PM 4 1307.50 CEUX
GENMAB A/S 09-May-2025 15:55:14 PM 79 1307.50 XCSE
GENMAB A/S 09-May-2025 15:55:14 PM 1 1307.50 CEUX
GENMAB A/S 09-May-2025 15:55:43 PM 79 1307.50 XCSE
GENMAB A/S 09-May-2025 15:56:13 PM 79 1308.00 XCSE
GENMAB A/S 09-May-2025 15:56:13 PM 8 1307.50 XCSE
GENMAB A/S 09-May-2025 15:56:13 PM 10 1307.50 XCSE
GENMAB A/S 09-May-2025 15:56:13 PM 56 1307.50 XCSE
GENMAB A/S 09-May-2025 15:56:13 PM 26 1308.00 TQEX
GENMAB A/S 09-May-2025 15:56:13 PM 34 1308.00 AQEU
GENMAB A/S 09-May-2025 15:56:13 PM 78 1308.00 CEUX
GENMAB A/S 09-May-2025 15:56:13 PM 10 1307.50 CEUX
GENMAB A/S 09-May-2025 15:56:13 PM 40 1307.50 CEUX
GENMAB A/S 09-May-2025 15:56:13 PM 9 1307.50 CEUX
GENMAB A/S 09-May-2025 15:56:38 PM 4 1307.50 CEUX
GENMAB A/S 09-May-2025 15:57:13 PM 13 1307.00 XCSE
GENMAB A/S 09-May-2025 15:57:58 PM 25 1308.00 TQEX
GENMAB A/S 09-May-2025 15:57:58 PM 31 1308.00 AQEU
GENMAB A/S 09-May-2025 15:57:58 PM 79 1308.00 CEUX
GENMAB A/S 09-May-2025 15:59:06 PM 80 1309.00 XCSE
GENMAB A/S 09-May-2025 15:59:06 PM 73 1308.50 XCSE
GENMAB A/S 09-May-2025 15:59:06 PM 1 1308.50 XCSE
GENMAB A/S 09-May-2025 15:59:06 PM 27 1309.00 TQEX
141




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 15:59:06 PM 26 1309.00 AQEU
GENMAB A/S 09-May-2025 15:59:06 PM 28 1308.50 AQEU
GENMAB A/S 09-May-2025 15:59:06 PM 77 1309.00 CEUX
GENMAB A/S 09-May-2025 15:59:06 PM 78 1308.50 CEUX
GENMAB A/S 09-May-2025 16:00:19 PM 75 1309.50 XCSE
GENMAB A/S 09-May-2025 16:00:19 PM 78 1309.50 CEUX
GENMAB A/S 09-May-2025 16:00:19 PM 10 1309.50 CEUX
GENMAB A/S 09-May-2025 16:00:19 PM 15 1309.50 CEUX
GENMAB A/S 09-May-2025 16:00:19 PM 10 1310.00 CEUX
GENMAB A/S 09-May-2025 16:00:19 PM 10 1310.00 CEUX
GENMAB A/S 09-May-2025 16:00:19 PM 20 1310.00 CEUX
GENMAB A/S 09-May-2025 16:00:44 PM 37 1310.00 CEUX
GENMAB A/S 09-May-2025 16:01:08 PM 52 1309.50 XCSE
GENMAB A/S 09-May-2025 16:01:08 PM 22 1309.00 XCSE
GENMAB A/S 09-May-2025 16:01:08 PM 31 1309.00 XCSE
GENMAB A/S 09-May-2025 16:01:08 PM 14 1309.00 XCSE
GENMAB A/S 09-May-2025 16:01:08 PM 10 1309.50 CEUX
GENMAB A/S 09-May-2025 16:01:08 PM 70 1309.50 CEUX
GENMAB A/S 09-May-2025 16:01:08 PM 77 1309.00 CEUX
GENMAB A/S 09-May-2025 16:01:09 PM 78 1308.50 XCSE
GENMAB A/S 09-May-2025 16:01:09 PM 3 1308.50 CEUX
GENMAB A/S 09-May-2025 16:01:09 PM 10 1308.50 CEUX
GENMAB A/S 09-May-2025 16:01:09 PM 20 1308.50 CEUX
GENMAB A/S 09-May-2025 16:01:09 PM 41 1308.50 CEUX
GENMAB A/S 09-May-2025 16:01:12 PM 30 1308.00 XCSE
GENMAB A/S 09-May-2025 16:01:12 PM 80 1308.00 CEUX
GENMAB A/S 09-May-2025 16:01:12 PM 18 1307.50 CEUX
GENMAB A/S 09-May-2025 16:01:15 PM 50 1307.50 XCSE
GENMAB A/S 09-May-2025 16:01:15 PM 10 1307.50 CEUX
GENMAB A/S 09-May-2025 16:01:15 PM 47 1307.50 CEUX
GENMAB A/S 09-May-2025 16:01:39 PM 47 1308.50 CEUX
GENMAB A/S 09-May-2025 16:01:57 PM 25 1308.50 TQEX
GENMAB A/S 09-May-2025 16:01:57 PM 42 1308.50 CEUX
GENMAB A/S 09-May-2025 16:02:13 PM 25 1308.00 XCSE
GENMAB A/S 09-May-2025 16:02:13 PM 26 1307.50 XCSE
GENMAB A/S 09-May-2025 16:02:13 PM 37 1308.00 CEUX
GENMAB A/S 09-May-2025 16:02:13 PM 25 1307.50 CEUX
GENMAB A/S 09-May-2025 16:02:14 PM 38 1307.00 XCSE
GENMAB A/S 09-May-2025 16:02:14 PM 32 1307.00 CEUX
GENMAB A/S 09-May-2025 16:02:26 PM 33 1307.00 XCSE
GENMAB A/S 09-May-2025 16:02:26 PM 26 1306.50 XCSE
GENMAB A/S 09-May-2025 16:03:10 PM 20 1308.00 CEUX
142




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 16:03:10 PM 36 1308.00 CEUX
GENMAB A/S 09-May-2025 16:03:36 PM 50 1308.50 XCSE
GENMAB A/S 09-May-2025 16:03:36 PM 26 1308.50 TQEX
GENMAB A/S 09-May-2025 16:03:54 PM 4 1308.50 AQEU
GENMAB A/S 09-May-2025 16:03:54 PM 10 1308.50 AQEU
GENMAB A/S 09-May-2025 16:03:57 PM 70 1308.50 CEUX
GENMAB A/S 09-May-2025 16:04:13 PM 46 1308.00 XCSE
GENMAB A/S 09-May-2025 16:04:13 PM 46 1308.00 CEUX
GENMAB A/S 09-May-2025 16:04:50 PM 1 1308.50 AQEU
GENMAB A/S 09-May-2025 16:04:50 PM 10 1308.50 AQEU
GENMAB A/S 09-May-2025 16:04:50 PM 10 1308.50 AQEU
GENMAB A/S 09-May-2025 16:04:59 PM 43 1308.50 XCSE
GENMAB A/S 09-May-2025 16:04:59 PM 24 1308.50 CEUX
GENMAB A/S 09-May-2025 16:04:59 PM 32 1308.50 CEUX
GENMAB A/S 09-May-2025 16:05:04 PM 1 1308.50 CEUX
GENMAB A/S 09-May-2025 16:05:04 PM 72 1308.50 CEUX
GENMAB A/S 09-May-2025 16:05:04 PM 3 1308.00 CEUX
GENMAB A/S 09-May-2025 16:05:04 PM 18 1308.00 CEUX
GENMAB A/S 09-May-2025 16:05:04 PM 10 1308.00 CEUX
GENMAB A/S 09-May-2025 16:05:04 PM 7 1308.00 CEUX
GENMAB A/S 09-May-2025 16:05:10 PM 45 1308.00 XCSE
GENMAB A/S 09-May-2025 16:05:10 PM 31 1308.00 CEUX
GENMAB A/S 09-May-2025 16:05:10 PM 16 1307.50 CEUX
GENMAB A/S 09-May-2025 16:05:53 PM 2 1308.00 XCSE
GENMAB A/S 09-May-2025 16:05:53 PM 50 1308.00 CEUX
GENMAB A/S 09-May-2025 16:05:54 PM 5 1308.00 TQEX
GENMAB A/S 09-May-2025 16:05:54 PM 10 1308.00 TQEX
GENMAB A/S 09-May-2025 16:05:54 PM 4 1308.00 TQEX
GENMAB A/S 09-May-2025 16:05:54 PM 2 1308.00 AQEU
GENMAB A/S 09-May-2025 16:05:54 PM 7 1308.00 AQEU
GENMAB A/S 09-May-2025 16:05:54 PM 12 1308.00 AQEU
GENMAB A/S 09-May-2025 16:05:55 PM 20 1308.00 XCSE
GENMAB A/S 09-May-2025 16:06:11 PM 15 1308.00 XCSE
GENMAB A/S 09-May-2025 16:06:15 PM 56 1308.00 CEUX
GENMAB A/S 09-May-2025 16:06:29 PM 22 1308.00 XCSE
GENMAB A/S 09-May-2025 16:06:29 PM 16 1308.00 XCSE
GENMAB A/S 09-May-2025 16:06:29 PM 9 1308.00 CEUX
GENMAB A/S 09-May-2025 16:06:31 PM 25 1308.00 CEUX
GENMAB A/S 09-May-2025 16:06:35 PM 34 1307.50 XCSE
GENMAB A/S 09-May-2025 16:06:35 PM 27 1307.50 CEUX
GENMAB A/S 09-May-2025 16:06:36 PM 20 1307.00 CEUX
GENMAB A/S 09-May-2025 16:06:37 PM 5 1307.00 CEUX
143




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 16:06:51 PM 34 1307.00 XCSE
GENMAB A/S 09-May-2025 16:07:19 PM 20 1306.50 TQEX
GENMAB A/S 09-May-2025 16:07:19 PM 7 1306.50 AQEU
GENMAB A/S 09-May-2025 16:07:19 PM 30 1306.50 AQEU
GENMAB A/S 09-May-2025 16:07:19 PM 25 1307.00 CEUX
GENMAB A/S 09-May-2025 16:07:19 PM 9 1306.50 CEUX
GENMAB A/S 09-May-2025 16:07:19 PM 10 1306.50 CEUX
GENMAB A/S 09-May-2025 16:07:19 PM 16 1306.50 CEUX
GENMAB A/S 09-May-2025 16:07:20 PM 25 1306.50 XCSE
GENMAB A/S 09-May-2025 16:07:20 PM 6 1306.00 CEUX
GENMAB A/S 09-May-2025 16:07:20 PM 20 1306.00 CEUX
GENMAB A/S 09-May-2025 16:07:21 PM 7 1306.00 CEUX
GENMAB A/S 09-May-2025 16:07:22 PM 27 1306.00 XCSE
GENMAB A/S 09-May-2025 16:07:24 PM 3 1305.50 CEUX
GENMAB A/S 09-May-2025 16:07:24 PM 6 1305.50 CEUX
GENMAB A/S 09-May-2025 16:07:24 PM 10 1305.50 CEUX
GENMAB A/S 09-May-2025 16:07:26 PM 10 1305.50 CEUX
GENMAB A/S 09-May-2025 16:07:27 PM 3 1305.50 CEUX
GENMAB A/S 09-May-2025 16:07:29 PM 6 1306.00 XCSE
GENMAB A/S 09-May-2025 16:07:29 PM 1 1306.00 XCSE
GENMAB A/S 09-May-2025 16:07:29 PM 7 1306.00 CEUX
GENMAB A/S 09-May-2025 16:07:29 PM 1 1306.00 CEUX
GENMAB A/S 09-May-2025 16:07:29 PM 18 1306.00 CEUX
GENMAB A/S 09-May-2025 16:07:38 PM 1 1306.00 XCSE
GENMAB A/S 09-May-2025 16:07:39 PM 2 1306.00 XCSE
GENMAB A/S 09-May-2025 16:07:39 PM 10 1306.00 XCSE
GENMAB A/S 09-May-2025 16:07:39 PM 4 1306.00 XCSE
GENMAB A/S 09-May-2025 16:07:39 PM 9 1306.00 XCSE
GENMAB A/S 09-May-2025 16:07:42 PM 13 1306.00 XCSE
GENMAB A/S 09-May-2025 16:07:42 PM 3 1305.50 XCSE
GENMAB A/S 09-May-2025 16:07:43 PM 1 1306.00 XCSE
GENMAB A/S 09-May-2025 16:07:43 PM 2 1306.00 XCSE
GENMAB A/S 09-May-2025 16:07:43 PM 10 1306.00 XCSE
GENMAB A/S 09-May-2025 16:07:43 PM 25 1306.00 XCSE
GENMAB A/S 09-May-2025 16:07:59 PM 13 1305.50 CEUX
GENMAB A/S 09-May-2025 16:07:59 PM 3 1305.50 CEUX
GENMAB A/S 09-May-2025 16:07:59 PM 10 1305.50 CEUX
GENMAB A/S 09-May-2025 16:08:03 PM 1 1305.50 CEUX
GENMAB A/S 09-May-2025 16:08:03 PM 1 1305.50 CEUX
GENMAB A/S 09-May-2025 16:08:06 PM 4 1305.50 XCSE
GENMAB A/S 09-May-2025 16:08:06 PM 18 1305.50 XCSE
GENMAB A/S 09-May-2025 16:08:07 PM 20 1306.00 CEUX
144




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 16:08:07 PM 9 1306.00 CEUX
GENMAB A/S 09-May-2025 16:09:09 PM 46 1307.00 XCSE
GENMAB A/S 09-May-2025 16:09:09 PM 46 1307.00 CEUX
GENMAB A/S 09-May-2025 16:09:11 PM 31 1306.50 XCSE
GENMAB A/S 09-May-2025 16:09:11 PM 30 1306.50 TQEX
GENMAB A/S 09-May-2025 16:09:11 PM 49 1306.50 CEUX
GENMAB A/S 09-May-2025 16:09:12 PM 23 1306.00 CEUX
GENMAB A/S 09-May-2025 16:09:12 PM 17 1306.00 CEUX
GENMAB A/S 09-May-2025 16:09:13 PM 10 1306.00 XCSE
GENMAB A/S 09-May-2025 16:09:13 PM 10 1306.00 XCSE
GENMAB A/S 09-May-2025 16:09:13 PM 6 1306.00 XCSE
GENMAB A/S 09-May-2025 16:09:22 PM 20 1305.50 XCSE
GENMAB A/S 09-May-2025 16:09:34 PM 10 1305.50 CEUX
GENMAB A/S 09-May-2025 16:09:40 PM 13 1305.50 CEUX
GENMAB A/S 09-May-2025 16:09:40 PM 10 1305.50 CEUX
GENMAB A/S 09-May-2025 16:09:40 PM 1 1305.50 CEUX
GENMAB A/S 09-May-2025 16:09:40 PM 4 1305.50 CEUX
GENMAB A/S 09-May-2025 16:09:46 PM 11 1305.50 XCSE
GENMAB A/S 09-May-2025 16:09:46 PM 10 1305.00 CEUX
GENMAB A/S 09-May-2025 16:10:46 PM 40 1305.50 XCSE
GENMAB A/S 09-May-2025 16:10:46 PM 39 1305.00 XCSE
GENMAB A/S 09-May-2025 16:10:46 PM 27 1305.00 CEUX
GENMAB A/S 09-May-2025 16:10:47 PM 17 1304.50 AQEU
GENMAB A/S 09-May-2025 16:11:39 PM 4 1304.50 CEUX
GENMAB A/S 09-May-2025 16:11:39 PM 6 1304.50 CEUX
GENMAB A/S 09-May-2025 16:11:39 PM 6 1304.50 CEUX
GENMAB A/S 09-May-2025 16:11:39 PM 10 1304.50 CEUX
GENMAB A/S 09-May-2025 16:11:39 PM 10 1304.50 CEUX
GENMAB A/S 09-May-2025 16:11:54 PM 1 1304.50 XCSE
GENMAB A/S 09-May-2025 16:11:54 PM 25 1304.50 XCSE
GENMAB A/S 09-May-2025 16:11:54 PM 17 1304.50 CEUX
GENMAB A/S 09-May-2025 16:11:54 PM 10 1304.50 CEUX
GENMAB A/S 09-May-2025 16:11:54 PM 2 1304.50 CEUX
GENMAB A/S 09-May-2025 16:11:54 PM 30 1304.50 CEUX
GENMAB A/S 09-May-2025 16:11:54 PM 10 1304.50 CEUX
GENMAB A/S 09-May-2025 16:11:54 PM 8 1304.50 CEUX
GENMAB A/S 09-May-2025 16:12:28 PM 1 1304.00 AQEU
GENMAB A/S 09-May-2025 16:12:29 PM 25 1304.00 AQEU
GENMAB A/S 09-May-2025 16:12:33 PM 33 1304.00 XCSE
GENMAB A/S 09-May-2025 16:12:33 PM 44 1304.00 CEUX
GENMAB A/S 09-May-2025 16:13:01 PM 7 1306.00 TQEX
GENMAB A/S 09-May-2025 16:13:02 PM 6 1306.00 XCSE
145




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 16:13:02 PM 4 1306.00 XCSE
GENMAB A/S 09-May-2025 16:13:02 PM 3 1306.00 XCSE
GENMAB A/S 09-May-2025 16:13:02 PM 35 1306.00 XCSE
GENMAB A/S 09-May-2025 16:13:02 PM 29 1306.00 XCSE
GENMAB A/S 09-May-2025 16:13:02 PM 1 1306.00 TQEX
GENMAB A/S 09-May-2025 16:13:02 PM 24 1306.00 TQEX
GENMAB A/S 09-May-2025 16:13:03 PM 1 1306.00 XCSE
GENMAB A/S 09-May-2025 16:13:03 PM 17 1305.50 TQEX
GENMAB A/S 09-May-2025 16:13:04 PM 16 1305.50 CEUX
GENMAB A/S 09-May-2025 16:13:04 PM 16 1305.50 CEUX
GENMAB A/S 09-May-2025 16:13:14 PM 6 1305.50 CEUX
GENMAB A/S 09-May-2025 16:13:14 PM 13 1305.50 CEUX
GENMAB A/S 09-May-2025 16:13:14 PM 24 1305.50 CEUX
GENMAB A/S 09-May-2025 16:13:14 PM 1 1305.50 CEUX
GENMAB A/S 09-May-2025 16:13:15 PM 14 1305.50 XCSE
GENMAB A/S 09-May-2025 16:13:15 PM 53 1305.50 XCSE
GENMAB A/S 09-May-2025 16:13:18 PM 4 1305.50 XCSE
GENMAB A/S 09-May-2025 16:13:35 PM 37 1305.50 XCSE
GENMAB A/S 09-May-2025 16:13:38 PM 16 1306.00 XCSE
GENMAB A/S 09-May-2025 16:13:38 PM 50 1306.00 XCSE
GENMAB A/S 09-May-2025 16:14:07 PM 15 1306.50 CEUX
GENMAB A/S 09-May-2025 16:14:07 PM 22 1306.50 CEUX
GENMAB A/S 09-May-2025 16:14:30 PM 76 1306.00 CEUX
GENMAB A/S 09-May-2025 16:14:33 PM 10 1306.50 TQEX
GENMAB A/S 09-May-2025 16:14:33 PM 10 1306.50 TQEX
GENMAB A/S 09-May-2025 16:14:35 PM 52 1306.50 XCSE
GENMAB A/S 09-May-2025 16:14:36 PM 51 1306.00 XCSE
GENMAB A/S 09-May-2025 16:15:07 PM 79 1306.00 CEUX
GENMAB A/S 09-May-2025 16:15:08 PM 15 1306.00 XCSE
GENMAB A/S 09-May-2025 16:15:08 PM 30 1306.00 XCSE
GENMAB A/S 09-May-2025 16:15:08 PM 1 1305.50 AQEU
GENMAB A/S 09-May-2025 16:15:08 PM 9 1305.50 AQEU
GENMAB A/S 09-May-2025 16:15:08 PM 30 1305.50 CEUX
GENMAB A/S 09-May-2025 16:15:08 PM 74 1306.00 CEUX
GENMAB A/S 09-May-2025 16:15:09 PM 12 1305.50 AQEU
GENMAB A/S 09-May-2025 16:15:09 PM 30 1305.50 CEUX
GENMAB A/S 09-May-2025 16:15:09 PM 12 1305.50 CEUX
GENMAB A/S 09-May-2025 16:15:09 PM 6 1305.50 CEUX
GENMAB A/S 09-May-2025 16:15:10 PM 18 1305.50 XCSE
GENMAB A/S 09-May-2025 16:15:11 PM 30 1305.00 XCSE
GENMAB A/S 09-May-2025 16:15:11 PM 8 1305.00 CEUX
GENMAB A/S 09-May-2025 16:15:11 PM 10 1305.00 CEUX
146




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 16:15:11 PM 10 1305.00 CEUX
GENMAB A/S 09-May-2025 16:15:11 PM 9 1305.00 CEUX
GENMAB A/S 09-May-2025 16:15:11 PM 10 1305.00 CEUX
GENMAB A/S 09-May-2025 16:15:11 PM 1 1305.00 CEUX
GENMAB A/S 09-May-2025 16:15:11 PM 10 1305.00 CEUX
GENMAB A/S 09-May-2025 16:15:11 PM 10 1305.00 CEUX
GENMAB A/S 09-May-2025 16:15:11 PM 8 1305.00 CEUX
GENMAB A/S 09-May-2025 16:15:17 PM 14 1304.50 XCSE
GENMAB A/S 09-May-2025 16:15:17 PM 19 1304.50 CEUX
GENMAB A/S 09-May-2025 16:15:19 PM 21 1304.50 CEUX
GENMAB A/S 09-May-2025 16:15:30 PM 21 1304.50 CEUX
GENMAB A/S 09-May-2025 16:15:48 PM 26 1305.00 XCSE
GENMAB A/S 09-May-2025 16:15:48 PM 47 1305.00 CEUX
GENMAB A/S 09-May-2025 16:15:50 PM 10 1305.50 XCSE
GENMAB A/S 09-May-2025 16:15:50 PM 21 1305.50 XCSE
GENMAB A/S 09-May-2025 16:15:53 PM 30 1305.50 AQEU
GENMAB A/S 09-May-2025 16:16:13 PM 10 1305.50 XCSE
GENMAB A/S 09-May-2025 16:16:14 PM 10 1305.50 XCSE
GENMAB A/S 09-May-2025 16:16:14 PM 6 1305.50 XCSE
GENMAB A/S 09-May-2025 16:16:27 PM 10 1306.00 CEUX
GENMAB A/S 09-May-2025 16:16:27 PM 5 1306.00 CEUX
GENMAB A/S 09-May-2025 16:16:27 PM 14 1306.00 CEUX
GENMAB A/S 09-May-2025 16:16:27 PM 17 1306.00 CEUX
GENMAB A/S 09-May-2025 16:17:00 PM 53 1307.00 CEUX
GENMAB A/S 09-May-2025 16:17:00 PM 28 1307.50 CEUX
GENMAB A/S 09-May-2025 16:17:01 PM 22 1307.50 XCSE
GENMAB A/S 09-May-2025 16:17:01 PM 20 1307.50 XCSE
GENMAB A/S 09-May-2025 16:17:01 PM 10 1307.50 XCSE
GENMAB A/S 09-May-2025 16:17:01 PM 3 1307.50 XCSE
GENMAB A/S 09-May-2025 16:17:06 PM 42 1307.00 XCSE
GENMAB A/S 09-May-2025 16:17:08 PM 6 1306.50 CEUX
GENMAB A/S 09-May-2025 16:17:08 PM 6 1306.50 CEUX
GENMAB A/S 09-May-2025 16:17:08 PM 4 1306.50 CEUX
GENMAB A/S 09-May-2025 16:17:08 PM 30 1306.50 CEUX
GENMAB A/S 09-May-2025 16:17:09 PM 31 1306.50 XCSE
GENMAB A/S 09-May-2025 16:17:09 PM 1 1306.50 CEUX
GENMAB A/S 09-May-2025 16:17:09 PM 18 1306.50 CEUX
GENMAB A/S 09-May-2025 16:17:10 PM 16 1306.00 CEUX
GENMAB A/S 09-May-2025 16:17:28 PM 34 1306.00 CEUX
GENMAB A/S 09-May-2025 16:17:42 PM 24 1306.50 CEUX
GENMAB A/S 09-May-2025 16:17:48 PM 8 1306.00 TQEX
GENMAB A/S 09-May-2025 16:17:48 PM 4 1306.50 CEUX
147




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 16:17:50 PM 8 1306.00 TQEX
GENMAB A/S 09-May-2025 16:18:21 PM 19 1306.50 XCSE
GENMAB A/S 09-May-2025 16:18:21 PM 25 1306.50 XCSE
GENMAB A/S 09-May-2025 16:18:23 PM 11 1306.00 CEUX
GENMAB A/S 09-May-2025 16:18:30 PM 48 1306.00 XCSE
GENMAB A/S 09-May-2025 16:18:30 PM 10 1306.00 TQEX
GENMAB A/S 09-May-2025 16:19:02 PM 28 1305.50 CEUX
GENMAB A/S 09-May-2025 16:19:05 PM 41 1305.50 XCSE
GENMAB A/S 09-May-2025 16:19:46 PM 11 1305.50 CEUX
GENMAB A/S 09-May-2025 16:19:53 PM 22 1305.00 TQEX
GENMAB A/S 09-May-2025 16:19:53 PM 9 1305.00 TQEX
GENMAB A/S 09-May-2025 16:19:53 PM 4 1305.00 AQEU
GENMAB A/S 09-May-2025 16:19:53 PM 64 1305.50 CEUX
GENMAB A/S 09-May-2025 16:19:53 PM 33 1305.00 CEUX
GENMAB A/S 09-May-2025 16:19:58 PM 26 1305.00 XCSE
GENMAB A/S 09-May-2025 16:20:01 PM 22 1305.00 AQEU
GENMAB A/S 09-May-2025 16:21:21 PM 56 1306.00 CEUX
GENMAB A/S 09-May-2025 16:21:38 PM 64 1305.50 CEUX
GENMAB A/S 09-May-2025 16:21:38 PM 10 1305.50 CEUX
GENMAB A/S 09-May-2025 16:22:05 PM 38 1305.50 AQEU
GENMAB A/S 09-May-2025 16:22:05 PM 3 1305.50 CEUX
GENMAB A/S 09-May-2025 16:22:08 PM 33 1305.00 TQEX
GENMAB A/S 09-May-2025 16:22:08 PM 32 1305.00 CEUX
GENMAB A/S 09-May-2025 16:22:08 PM 47 1305.00 CEUX
GENMAB A/S 09-May-2025 16:22:11 PM 35 1305.00 XCSE
GENMAB A/S 09-May-2025 16:22:20 PM 11 1305.50 XCSE
GENMAB A/S 09-May-2025 16:23:14 PM 66 1307.00 XCSE
GENMAB A/S 09-May-2025 16:23:14 PM 79 1307.00 CEUX
GENMAB A/S 09-May-2025 16:23:15 PM 67 1306.50 XCSE
GENMAB A/S 09-May-2025 16:23:15 PM 3 1307.00 AQEU
GENMAB A/S 09-May-2025 16:23:15 PM 32 1307.00 AQEU
GENMAB A/S 09-May-2025 16:23:17 PM 80 1306.50 CEUX
GENMAB A/S 09-May-2025 16:24:06 PM 74 1306.50 CEUX
GENMAB A/S 09-May-2025 16:24:28 PM 24 1306.50 XCSE
GENMAB A/S 09-May-2025 16:24:28 PM 43 1306.50 XCSE
GENMAB A/S 09-May-2025 16:24:39 PM 54 1306.00 XCSE
GENMAB A/S 09-May-2025 16:24:39 PM 2 1306.00 XCSE
GENMAB A/S 09-May-2025 16:24:39 PM 17 1306.00 XCSE
GENMAB A/S 09-May-2025 16:24:39 PM 76 1306.00 CEUX
GENMAB A/S 09-May-2025 16:25:13 PM 26 1306.50 XCSE
GENMAB A/S 09-May-2025 16:25:14 PM 57 1307.00 CEUX
GENMAB A/S 09-May-2025 16:25:30 PM 47 1307.00 XCSE
148




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 16:25:37 PM 21 1307.00 CEUX
GENMAB A/S 09-May-2025 16:26:14 PM 28 1307.00 TQEX
GENMAB A/S 09-May-2025 16:26:14 PM 19 1307.00 TQEX
GENMAB A/S 09-May-2025 16:26:14 PM 39 1307.00 CEUX
GENMAB A/S 09-May-2025 16:26:56 PM 39 1307.00 CEUX
GENMAB A/S 09-May-2025 16:26:58 PM 35 1307.00 CEUX
GENMAB A/S 09-May-2025 16:27:02 PM 14 1307.00 CEUX
GENMAB A/S 09-May-2025 16:27:06 PM 14 1306.50 XCSE
GENMAB A/S 09-May-2025 16:27:06 PM 44 1306.50 CEUX
GENMAB A/S 09-May-2025 16:27:06 PM 34 1306.50 CEUX
GENMAB A/S 09-May-2025 16:27:45 PM 38 1306.50 XCSE
GENMAB A/S 09-May-2025 16:27:45 PM 1 1306.50 XCSE
GENMAB A/S 09-May-2025 16:27:45 PM 29 1306.50 AQEU
GENMAB A/S 09-May-2025 16:27:45 PM 35 1306.50 CEUX
GENMAB A/S 09-May-2025 16:27:53 PM 4 1306.00 XCSE
GENMAB A/S 09-May-2025 16:27:53 PM 42 1306.00 CEUX
GENMAB A/S 09-May-2025 16:27:53 PM 8 1306.00 CEUX
GENMAB A/S 09-May-2025 16:28:04 PM 27 1306.00 CEUX
GENMAB A/S 09-May-2025 16:28:15 PM 3 1306.00 XCSE
GENMAB A/S 09-May-2025 16:28:17 PM 35 1306.00 XCSE
GENMAB A/S 09-May-2025 16:28:27 PM 90 1306.00 CEUX
GENMAB A/S 09-May-2025 16:29:02 PM 3 1307.50 XCSE
GENMAB A/S 09-May-2025 16:29:08 PM 10 1308.00 CEUX
GENMAB A/S 09-May-2025 16:29:22 PM 35 1308.00 CEUX
GENMAB A/S 09-May-2025 16:29:35 PM 76 1308.00 XCSE
GENMAB A/S 09-May-2025 16:30:00 PM 36 1308.50 AQEU
GENMAB A/S 09-May-2025 16:30:00 PM 31 1308.50 CEUX
GENMAB A/S 09-May-2025 16:30:16 PM 27 1308.50 CEUX
GENMAB A/S 09-May-2025 16:30:16 PM 22 1308.50 CEUX
GENMAB A/S 09-May-2025 16:30:18 PM 38 1308.50 XCSE
GENMAB A/S 09-May-2025 16:30:18 PM 29 1308.50 TQEX
GENMAB A/S 09-May-2025 16:30:18 PM 20 1308.50 CEUX
GENMAB A/S 09-May-2025 16:30:19 PM 25 1308.50 CEUX
GENMAB A/S 09-May-2025 16:30:37 PM 17 1308.50 CEUX
GENMAB A/S 09-May-2025 16:30:37 PM 13 1308.50 CEUX
GENMAB A/S 09-May-2025 16:30:41 PM 27 1308.00 CEUX
GENMAB A/S 09-May-2025 16:30:49 PM 2 1308.50 XCSE
GENMAB A/S 09-May-2025 16:30:49 PM 49 1308.00 CEUX
GENMAB A/S 09-May-2025 16:30:51 PM 58 1308.50 XCSE
GENMAB A/S 09-May-2025 16:30:51 PM 16 1308.50 XCSE
GENMAB A/S 09-May-2025 16:31:05 PM 25 1308.50 CEUX
149




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 16:31:21 PM 53 1308.50 XCSE
GENMAB A/S 09-May-2025 16:31:21 PM 55 1308.00 XCSE
GENMAB A/S 09-May-2025 16:31:21 PM 67 1307.50 XCSE
GENMAB A/S 09-May-2025 16:31:21 PM 25 1307.00 XCSE
GENMAB A/S 09-May-2025 16:31:21 PM 35 1308.00 TQEX
GENMAB A/S 09-May-2025 16:31:21 PM 46 1308.50 CEUX
GENMAB A/S 09-May-2025 16:31:21 PM 34 1308.00 CEUX
GENMAB A/S 09-May-2025 16:31:21 PM 39 1308.00 CEUX
GENMAB A/S 09-May-2025 16:31:21 PM 74 1307.50 CEUX
GENMAB A/S 09-May-2025 16:31:21 PM 77 1307.00 CEUX
GENMAB A/S 09-May-2025 16:32:06 PM 47 1308.50 CEUX
GENMAB A/S 09-May-2025 16:32:14 PM 11 1308.00 CEUX
GENMAB A/S 09-May-2025 16:32:17 PM 18 1308.00 CEUX
GENMAB A/S 09-May-2025 16:32:44 PM 4 1310.00 XCSE
GENMAB A/S 09-May-2025 16:32:52 PM 12 1310.00 XCSE
GENMAB A/S 09-May-2025 16:32:52 PM 16 1310.00 XCSE
GENMAB A/S 09-May-2025 16:32:52 PM 9 1310.00 XCSE
GENMAB A/S 09-May-2025 16:32:59 PM 29 1310.00 XCSE
GENMAB A/S 09-May-2025 16:32:59 PM 13 1310.00 XCSE
GENMAB A/S 09-May-2025 16:33:00 PM 12 1309.50 XCSE
GENMAB A/S 09-May-2025 16:33:08 PM 67 1309.50 XCSE
GENMAB A/S 09-May-2025 16:33:08 PM 25 1309.50 CEUX
GENMAB A/S 09-May-2025 16:33:28 PM 8 1309.50 XCSE
GENMAB A/S 09-May-2025 16:33:28 PM 30 1309.50 XCSE
GENMAB A/S 09-May-2025 16:33:28 PM 61 1309.50 CEUX
GENMAB A/S 09-May-2025 16:33:30 PM 38 1309.50 CEUX
GENMAB A/S 09-May-2025 16:33:42 PM 79 1309.00 XCSE
GENMAB A/S 09-May-2025 16:33:42 PM 1 1309.00 XCSE
GENMAB A/S 09-May-2025 16:33:42 PM 25 1309.00 AQEU
GENMAB A/S 09-May-2025 16:33:42 PM 25 1309.00 CEUX
GENMAB A/S 09-May-2025 16:33:42 PM 5 1309.00 CEUX
GENMAB A/S 09-May-2025 16:34:24 PM 30 1309.00 TQEX
GENMAB A/S 09-May-2025 16:34:24 PM 58 1309.00 CEUX
GENMAB A/S 09-May-2025 16:34:31 PM 25 1308.50 CEUX
GENMAB A/S 09-May-2025 16:34:34 PM 77 1308.50 XCSE
GENMAB A/S 09-May-2025 16:35:07 PM 2 1308.00 XCSE
GENMAB A/S 09-May-2025 16:35:07 PM 2 1308.00 XCSE
GENMAB A/S 09-May-2025 16:35:07 PM 2 1308.00 XCSE
GENMAB A/S 09-May-2025 16:35:07 PM 34 1308.00 XCSE
GENMAB A/S 09-May-2025 16:35:07 PM 29 1308.00 CEUX
GENMAB A/S 09-May-2025 16:35:33 PM 54 1308.50 XCSE
GENMAB A/S 09-May-2025 16:35:33 PM 42 1308.50 AQEU
150




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 16:35:33 PM 65 1308.50 CEUX
GENMAB A/S 09-May-2025 16:35:36 PM 56 1308.00 XCSE
GENMAB A/S 09-May-2025 16:35:36 PM 55 1308.00 CEUX
GENMAB A/S 09-May-2025 16:35:59 PM 17 1307.50 CEUX
GENMAB A/S 09-May-2025 16:35:59 PM 13 1307.50 CEUX
GENMAB A/S 09-May-2025 16:36:00 PM 20 1308.00 CEUX
GENMAB A/S 09-May-2025 16:36:03 PM 18 1308.00 CEUX
GENMAB A/S 09-May-2025 16:36:11 PM 15 1307.50 XCSE
GENMAB A/S 09-May-2025 16:36:11 PM 19 1307.50 XCSE
GENMAB A/S 09-May-2025 16:36:11 PM 40 1307.50 CEUX
GENMAB A/S 09-May-2025 16:37:04 PM 13 1307.00 CEUX
GENMAB A/S 09-May-2025 16:37:21 PM 39 1307.00 XCSE
GENMAB A/S 09-May-2025 16:37:21 PM 21 1307.00 CEUX
GENMAB A/S 09-May-2025 16:37:44 PM 17 1307.50 TQEX
GENMAB A/S 09-May-2025 16:37:54 PM 74 1308.00 CEUX
GENMAB A/S 09-May-2025 16:38:02 PM 48 1307.50 XCSE
GENMAB A/S 09-May-2025 16:38:05 PM 26 1307.50 CEUX
GENMAB A/S 09-May-2025 16:38:18 PM 52 1307.50 CEUX
GENMAB A/S 09-May-2025 16:38:25 PM 8 1307.50 XCSE
GENMAB A/S 09-May-2025 16:38:25 PM 17 1307.50 XCSE
GENMAB A/S 09-May-2025 16:38:26 PM 34 1307.50 XCSE
GENMAB A/S 09-May-2025 16:38:34 PM 10 1307.00 XCSE
GENMAB A/S 09-May-2025 16:38:37 PM 1 1307.50 CEUX
GENMAB A/S 09-May-2025 16:38:37 PM 35 1307.50 CEUX
GENMAB A/S 09-May-2025 16:38:44 PM 13 1307.00 XCSE
GENMAB A/S 09-May-2025 16:38:44 PM 31 1307.50 CEUX
GENMAB A/S 09-May-2025 16:38:57 PM 32 1307.00 XCSE
GENMAB A/S 09-May-2025 16:38:57 PM 27 1307.50 CEUX
GENMAB A/S 09-May-2025 16:38:57 PM 29 1307.00 CEUX
GENMAB A/S 09-May-2025 16:38:57 PM 24 1307.00 CEUX
GENMAB A/S 09-May-2025 16:38:57 PM 25 1307.00 CEUX
GENMAB A/S 09-May-2025 16:39:01 PM 2 1307.00 XCSE
GENMAB A/S 09-May-2025 16:39:01 PM 29 1307.00 AQEU
GENMAB A/S 09-May-2025 16:39:05 PM 26 1306.50 XCSE
GENMAB A/S 09-May-2025 16:39:05 PM 34 1306.50 XCSE
GENMAB A/S 09-May-2025 16:39:05 PM 12 1306.00 XCSE
GENMAB A/S 09-May-2025 16:39:05 PM 49 1306.50 CEUX
GENMAB A/S 09-May-2025 16:39:05 PM 10 1306.00 CEUX
GENMAB A/S 09-May-2025 16:39:07 PM 8 1306.00 XCSE
GENMAB A/S 09-May-2025 16:39:07 PM 29 1306.00 XCSE
GENMAB A/S 09-May-2025 16:39:07 PM 26 1306.00 CEUX
GENMAB A/S 09-May-2025 16:39:07 PM 34 1306.00 CEUX
151




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 16:39:07 PM 7 1306.00 CEUX
GENMAB A/S 09-May-2025 16:39:32 PM 11 1307.00 XCSE
GENMAB A/S 09-May-2025 16:39:36 PM 11 1307.00 XCSE
GENMAB A/S 09-May-2025 16:39:40 PM 12 1307.00 XCSE
GENMAB A/S 09-May-2025 16:39:45 PM 13 1307.00 XCSE
GENMAB A/S 09-May-2025 16:39:48 PM 25 1307.50 TQEX
GENMAB A/S 09-May-2025 16:39:55 PM 26 1307.50 CEUX
GENMAB A/S 09-May-2025 16:39:56 PM 11 1307.50 XCSE
GENMAB A/S 09-May-2025 16:39:59 PM 39 1307.50 XCSE
GENMAB A/S 09-May-2025 16:39:59 PM 23 1307.00 XCSE
GENMAB A/S 09-May-2025 16:39:59 PM 28 1307.00 TQEX
GENMAB A/S 09-May-2025 16:39:59 PM 17 1307.50 CEUX
GENMAB A/S 09-May-2025 16:39:59 PM 39 1307.00 CEUX
GENMAB A/S 09-May-2025 16:40:23 PM 27 1308.00 CEUX
GENMAB A/S 09-May-2025 16:40:38 PM 55 1309.50 XCSE
GENMAB A/S 09-May-2025 16:40:38 PM 39 1309.50 AQEU
GENMAB A/S 09-May-2025 16:40:54 PM 25 1309.50 CEUX
GENMAB A/S 09-May-2025 16:41:11 PM 18 1310.50 CEUX
GENMAB A/S 09-May-2025 16:41:15 PM 24 1310.50 CEUX
GENMAB A/S 09-May-2025 16:41:18 PM 8 1310.50 CEUX
GENMAB A/S 09-May-2025 16:41:19 PM 10 1310.50 XCSE
GENMAB A/S 09-May-2025 16:41:35 PM 11 1310.50 XCSE
GENMAB A/S 09-May-2025 16:41:46 PM 57 1311.50 CEUX
GENMAB A/S 09-May-2025 16:41:58 PM 58 1311.00 XCSE
GENMAB A/S 09-May-2025 16:41:58 PM 70 1311.00 CEUX
GENMAB A/S 09-May-2025 16:41:58 PM 35 1311.50 CEUX
GENMAB A/S 09-May-2025 16:42:01 PM 101 1311.00 XCSE
GENMAB A/S 09-May-2025 16:42:01 PM 70 1310.50 CEUX
GENMAB A/S 09-May-2025 16:42:08 PM 38 1312.00 XCSE
GENMAB A/S 09-May-2025 16:42:08 PM 13 1312.00 XCSE
GENMAB A/S 09-May-2025 16:42:08 PM 30 1312.00 XCSE
GENMAB A/S 09-May-2025 16:42:08 PM 80 1311.50 XCSE
GENMAB A/S 09-May-2025 16:42:08 PM 44 1311.50 CEUX
GENMAB A/S 09-May-2025 16:42:23 PM 74 1312.00 XCSE
GENMAB A/S 09-May-2025 16:42:23 PM 78 1311.50 XCSE
GENMAB A/S 09-May-2025 16:42:23 PM 27 1311.00 XCSE
GENMAB A/S 09-May-2025 16:42:23 PM 29 1312.50 CEUX
GENMAB A/S 09-May-2025 16:42:28 PM 27 1312.50 XCSE
GENMAB A/S 09-May-2025 16:42:36 PM 75 1312.50 XCSE
GENMAB A/S 09-May-2025 16:42:59 PM 44 1313.50 TQEX
GENMAB A/S 09-May-2025 16:43:15 PM 24 1316.00 CEUX
GENMAB A/S 09-May-2025 16:43:28 PM 15 1317.00 XCSE
152




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 16:43:28 PM 45 1317.00 CEUX
GENMAB A/S 09-May-2025 16:43:35 PM 19 1317.00 CEUX
GENMAB A/S 09-May-2025 16:43:36 PM 38 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:36 PM 38 1317.00 XCSE
GENMAB A/S 09-May-2025 16:43:36 PM 16 1317.00 XCSE
GENMAB A/S 09-May-2025 16:43:36 PM 38 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:36 PM 9 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:36 PM 20 1316.50 CEUX
GENMAB A/S 09-May-2025 16:43:37 PM 16 1317.00 XCSE
GENMAB A/S 09-May-2025 16:43:37 PM 38 1317.00 XCSE
GENMAB A/S 09-May-2025 16:43:37 PM 7 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:37 PM 30 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:37 PM 10 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:37 PM 30 1317.00 XCSE
GENMAB A/S 09-May-2025 16:43:37 PM 16 1317.00 XCSE
GENMAB A/S 09-May-2025 16:43:37 PM 38 1317.00 XCSE
GENMAB A/S 09-May-2025 16:43:37 PM 17 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:37 PM 11 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:37 PM 30 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:37 PM 16 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:37 PM 22 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:37 PM 27 1316.50 CEUX
GENMAB A/S 09-May-2025 16:43:38 PM 30 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:38 PM 21 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:38 PM 38 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:38 PM 30 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:38 PM 12 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:38 PM 38 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:39 PM 30 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:39 PM 20 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:39 PM 38 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:39 PM 30 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:39 PM 38 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:39 PM 20 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:39 PM 13 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:39 PM 7 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:39 PM 30 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:39 PM 38 1317.50 XCSE
GENMAB A/S 09-May-2025 16:43:40 PM 27 1317.00 XCSE
GENMAB A/S 09-May-2025 16:44:02 PM 58 1317.50 XCSE
GENMAB A/S 09-May-2025 16:44:02 PM 36 1317.50 XCSE
GENMAB A/S 09-May-2025 16:44:02 PM 51 1317.50 CEUX
153




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 16:44:07 PM 20 1317.00 CEUX
GENMAB A/S 09-May-2025 16:44:07 PM 7 1317.00 CEUX
GENMAB A/S 09-May-2025 16:44:39 PM 2 1319.00 CEUX
GENMAB A/S 09-May-2025 16:44:39 PM 49 1319.00 CEUX
GENMAB A/S 09-May-2025 16:44:39 PM 44 1319.00 AQEU
GENMAB A/S 09-May-2025 16:44:46 PM 24 1319.00 XCSE
GENMAB A/S 09-May-2025 16:44:46 PM 23 1319.00 XCSE
GENMAB A/S 09-May-2025 16:44:57 PM 35 1319.00 CEUX
GENMAB A/S 09-May-2025 16:45:07 PM 35 1319.00 CEUX
GENMAB A/S 09-May-2025 16:45:07 PM 9 1318.50 CEUX
GENMAB A/S 09-May-2025 16:45:10 PM 5 1318.50 XCSE
GENMAB A/S 09-May-2025 16:45:16 PM 25 1318.50 XCSE
GENMAB A/S 09-May-2025 16:45:24 PM 24 1318.50 CEUX
GENMAB A/S 09-May-2025 16:45:26 PM 20 1319.00 TQEX
GENMAB A/S 09-May-2025 16:45:27 PM 55 1319.50 XCSE
GENMAB A/S 09-May-2025 16:45:39 PM 15 1319.50 CEUX
GENMAB A/S 09-May-2025 16:45:40 PM 44 1319.00 XCSE
GENMAB A/S 09-May-2025 16:45:40 PM 16 1319.00 TQEX
GENMAB A/S 09-May-2025 16:45:40 PM 43 1319.00 CEUX
GENMAB A/S 09-May-2025 16:45:53 PM 2 1319.50 CEUX
GENMAB A/S 09-May-2025 16:45:53 PM 23 1319.50 CEUX
GENMAB A/S 09-May-2025 16:46:10 PM 25 1319.50 XCSE
GENMAB A/S 09-May-2025 16:46:10 PM 21 1319.50 XCSE
GENMAB A/S 09-May-2025 16:46:10 PM 21 1319.50 CEUX
GENMAB A/S 09-May-2025 16:46:10 PM 20 1319.50 CEUX
GENMAB A/S 09-May-2025 16:46:15 PM 35 1319.50 CEUX
GENMAB A/S 09-May-2025 16:46:47 PM 48 1319.00 XCSE
GENMAB A/S 09-May-2025 16:46:47 PM 54 1319.00 CEUX
GENMAB A/S 09-May-2025 16:46:47 PM 28 1319.00 AQEU
GENMAB A/S 09-May-2025 16:46:53 PM 39 1319.00 CEUX
GENMAB A/S 09-May-2025 16:47:03 PM 26 1319.00 CEUX
GENMAB A/S 09-May-2025 16:47:05 PM 30 1319.50 XCSE
GENMAB A/S 09-May-2025 16:47:07 PM 24 1319.50 XCSE
GENMAB A/S 09-May-2025 16:47:08 PM 34 1319.50 XCSE
GENMAB A/S 09-May-2025 16:47:08 PM 27 1319.50 XCSE
GENMAB A/S 09-May-2025 16:47:08 PM 11 1319.50 CEUX
GENMAB A/S 09-May-2025 16:47:08 PM 38 1319.50 CEUX
GENMAB A/S 09-May-2025 16:47:20 PM 24 1320.00 XCSE
GENMAB A/S 09-May-2025 16:47:21 PM 29 1320.00 XCSE
GENMAB A/S 09-May-2025 16:47:21 PM 6 1320.00 CEUX
GENMAB A/S 09-May-2025 16:47:21 PM 44 1320.00 CEUX
GENMAB A/S 09-May-2025 16:47:37 PM 52 1320.00 CEUX
154




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 16:47:47 PM 17 1320.00 CEUX
GENMAB A/S 09-May-2025 16:47:47 PM 24 1320.00 CEUX
GENMAB A/S 09-May-2025 16:47:47 PM 5 1320.00 CEUX
GENMAB A/S 09-May-2025 16:47:53 PM 5 1319.50 XCSE
GENMAB A/S 09-May-2025 16:48:04 PM 26 1319.50 CEUX
GENMAB A/S 09-May-2025 16:48:06 PM 26 1319.50 XCSE
GENMAB A/S 09-May-2025 16:48:10 PM 9 1319.50 XCSE
GENMAB A/S 09-May-2025 16:48:10 PM 23 1320.00 XCSE
GENMAB A/S 09-May-2025 16:48:10 PM 22 1320.00 XCSE
GENMAB A/S 09-May-2025 16:48:10 PM 31 1319.50 CEUX
GENMAB A/S 09-May-2025 16:48:11 PM 9 1320.50 CEUX
GENMAB A/S 09-May-2025 16:48:19 PM 25 1321.50 CEUX
GENMAB A/S 09-May-2025 16:48:19 PM 35 1321.50 AQEU
GENMAB A/S 09-May-2025 16:48:27 PM 22 1321.00 XCSE
GENMAB A/S 09-May-2025 16:48:27 PM 24 1321.00 CEUX
GENMAB A/S 09-May-2025 16:48:27 PM 11 1321.00 CEUX
GENMAB A/S 09-May-2025 16:48:31 PM 49 1321.50 XCSE
GENMAB A/S 09-May-2025 16:48:31 PM 43 1321.50 TQEX
GENMAB A/S 09-May-2025 16:48:31 PM 34 1321.50 CEUX
GENMAB A/S 09-May-2025 16:48:33 PM 15 1321.00 XCSE
GENMAB A/S 09-May-2025 16:48:33 PM 31 1321.00 CEUX
GENMAB A/S 09-May-2025 16:48:38 PM 9 1320.50 CEUX
GENMAB A/S 09-May-2025 16:48:38 PM 20 1320.50 CEUX
GENMAB A/S 09-May-2025 16:48:39 PM 37 1320.50 XCSE
GENMAB A/S 09-May-2025 16:48:41 PM 29 1320.00 XCSE
GENMAB A/S 09-May-2025 16:48:41 PM 35 1320.00 CEUX
GENMAB A/S 09-May-2025 16:49:05 PM 24 1322.00 CEUX
GENMAB A/S 09-May-2025 16:49:13 PM 8 1322.00 CEUX
GENMAB A/S 09-May-2025 16:49:23 PM 9 1323.00 XCSE
GENMAB A/S 09-May-2025 16:49:34 PM 62 1322.50 XCSE
GENMAB A/S 09-May-2025 16:49:34 PM 37 1322.50 CEUX
GENMAB A/S 09-May-2025 16:49:35 PM 28 1322.50 XCSE
GENMAB A/S 09-May-2025 16:49:58 PM 30 1323.50 XCSE
GENMAB A/S 09-May-2025 16:49:58 PM 39 1323.50 CEUX
GENMAB A/S 09-May-2025 16:50:02 PM 2 1323.50 XCSE
GENMAB A/S 09-May-2025 16:50:02 PM 21 1323.50 CEUX
GENMAB A/S 09-May-2025 16:50:03 PM 4 1323.50 CEUX
GENMAB A/S 09-May-2025 16:50:07 PM 58 1323.50 XCSE
GENMAB A/S 09-May-2025 16:50:07 PM 22 1323.50 CEUX
GENMAB A/S 09-May-2025 16:50:08 PM 22 1323.50 TQEX
GENMAB A/S 09-May-2025 16:50:13 PM 5 1323.50 XCSE
GENMAB A/S 09-May-2025 16:50:14 PM 50 1324.00 XCSE
155




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 16:50:14 PM 24 1324.00 XCSE
GENMAB A/S 09-May-2025 16:50:14 PM 31 1324.00 CEUX
GENMAB A/S 09-May-2025 16:50:17 PM 40 1324.00 XCSE
GENMAB A/S 09-May-2025 16:50:17 PM 12 1324.00 CEUX
GENMAB A/S 09-May-2025 16:50:19 PM 34 1323.50 XCSE
GENMAB A/S 09-May-2025 16:50:19 PM 6 1323.50 TQEX
GENMAB A/S 09-May-2025 16:50:19 PM 25 1323.50 CEUX
GENMAB A/S 09-May-2025 16:50:19 PM 15 1323.50 CEUX
GENMAB A/S 09-May-2025 16:50:19 PM 47 1323.00 CEUX
GENMAB A/S 09-May-2025 16:50:19 PM 27 1323.50 AQEU
GENMAB A/S 09-May-2025 16:50:26 PM 24 1323.00 XCSE
GENMAB A/S 09-May-2025 16:50:26 PM 32 1323.00 XCSE
GENMAB A/S 09-May-2025 16:50:27 PM 25 1322.50 XCSE
GENMAB A/S 09-May-2025 16:50:27 PM 30 1322.00 XCSE
GENMAB A/S 09-May-2025 16:50:27 PM 38 1322.00 XCSE
GENMAB A/S 09-May-2025 16:50:27 PM 10 1322.00 XCSE
GENMAB A/S 09-May-2025 16:50:27 PM 10 1321.50 XCSE
GENMAB A/S 09-May-2025 16:50:27 PM 26 1321.50 XCSE
GENMAB A/S 09-May-2025 16:50:27 PM 32 1322.00 CEUX
GENMAB A/S 09-May-2025 16:50:27 PM 25 1321.50 CEUX
GENMAB A/S 09-May-2025 16:50:29 PM 25 1321.00 XCSE
GENMAB A/S 09-May-2025 16:50:38 PM 36 1321.00 XCSE
GENMAB A/S 09-May-2025 16:50:38 PM 25 1321.00 CEUX
GENMAB A/S 09-May-2025 16:50:55 PM 53 1321.50 XCSE
GENMAB A/S 09-May-2025 16:51:16 PM 17 1323.00 CEUX
GENMAB A/S 09-May-2025 16:51:16 PM 39 1323.00 CEUX
GENMAB A/S 09-May-2025 16:51:26 PM 19 1322.50 XCSE
GENMAB A/S 09-May-2025 16:51:26 PM 10 1322.50 CEUX
GENMAB A/S 09-May-2025 16:51:26 PM 30 1322.50 CEUX
GENMAB A/S 09-May-2025 16:51:28 PM 8 1322.50 XCSE
GENMAB A/S 09-May-2025 16:51:34 PM 26 1322.50 XCSE
GENMAB A/S 09-May-2025 16:51:34 PM 26 1322.50 CEUX
GENMAB A/S 09-May-2025 16:51:45 PM 25 1323.00 XCSE
GENMAB A/S 09-May-2025 16:51:46 PM 27 1323.00 XCSE
GENMAB A/S 09-May-2025 16:51:54 PM 25 1322.50 XCSE
GENMAB A/S 09-May-2025 16:51:54 PM 18 1322.00 XCSE
GENMAB A/S 09-May-2025 16:51:54 PM 31 1322.00 TQEX
GENMAB A/S 09-May-2025 16:51:54 PM 37 1322.00 CEUX
GENMAB A/S 09-May-2025 16:51:54 PM 36 1322.00 AQEU
GENMAB A/S 09-May-2025 16:52:02 PM 1 1323.00 CEUX
GENMAB A/S 09-May-2025 16:52:02 PM 39 1323.00 CEUX
GENMAB A/S 09-May-2025 16:52:05 PM 11 1322.00 XCSE
156




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 16:52:05 PM 29 1322.50 CEUX
GENMAB A/S 09-May-2025 16:52:05 PM 19 1322.50 CEUX
GENMAB A/S 09-May-2025 16:52:29 PM 16 1323.00 XCSE
GENMAB A/S 09-May-2025 16:52:29 PM 12 1323.00 XCSE
GENMAB A/S 09-May-2025 16:52:29 PM 55 1323.00 CEUX
GENMAB A/S 09-May-2025 16:52:29 PM 35 1323.00 CEUX
GENMAB A/S 09-May-2025 16:52:30 PM 27 1322.50 XCSE
GENMAB A/S 09-May-2025 16:52:30 PM 52 1322.50 CEUX
GENMAB A/S 09-May-2025 16:52:57 PM 23 1323.00 CEUX
GENMAB A/S 09-May-2025 16:52:57 PM 11 1323.00 CEUX
GENMAB A/S 09-May-2025 16:53:00 PM 38 1323.50 XCSE
GENMAB A/S 09-May-2025 16:53:00 PM 22 1323.50 XCSE
GENMAB A/S 09-May-2025 16:53:00 PM 35 1323.50 CEUX
GENMAB A/S 09-May-2025 16:53:05 PM 33 1322.50 XCSE
GENMAB A/S 09-May-2025 16:53:05 PM 28 1322.50 TQEX
GENMAB A/S 09-May-2025 16:53:05 PM 25 1322.50 CEUX
GENMAB A/S 09-May-2025 16:53:05 PM 24 1322.50 AQEU
GENMAB A/S 09-May-2025 16:53:06 PM 25 1322.00 XCSE
GENMAB A/S 09-May-2025 16:53:06 PM 25 1322.00 CEUX
GENMAB A/S 09-May-2025 16:53:06 PM 32 1321.50 CEUX
GENMAB A/S 09-May-2025 16:53:08 PM 26 1321.50 XCSE
GENMAB A/S 09-May-2025 16:53:11 PM 12 1321.50 XCSE
GENMAB A/S 09-May-2025 16:53:13 PM 24 1321.00 XCSE
GENMAB A/S 09-May-2025 16:53:20 PM 25 1321.50 XCSE
GENMAB A/S 09-May-2025 16:53:20 PM 25 1321.50 CEUX
GENMAB A/S 09-May-2025 16:53:30 PM 18 1322.00 XCSE
GENMAB A/S 09-May-2025 16:53:30 PM 22 1322.00 XCSE
GENMAB A/S 09-May-2025 16:53:40 PM 28 1322.50 CEUX
GENMAB A/S 09-May-2025 16:53:40 PM 3 1322.50 CEUX
GENMAB A/S 09-May-2025 16:53:40 PM 13 1322.50 CEUX
GENMAB A/S 09-May-2025 16:53:40 PM 16 1322.50 CEUX
GENMAB A/S 09-May-2025 16:53:40 PM 26 1322.00 CEUX
GENMAB A/S 09-May-2025 16:53:45 PM 11 1322.00 XCSE
GENMAB A/S 09-May-2025 16:53:46 PM 23 1322.00 XCSE
GENMAB A/S 09-May-2025 16:53:50 PM 46 1321.50 XCSE
GENMAB A/S 09-May-2025 16:53:50 PM 34 1321.50 XCSE
GENMAB A/S 09-May-2025 16:53:52 PM 44 1321.00 CEUX
GENMAB A/S 09-May-2025 16:54:04 PM 31 1320.50 XCSE
GENMAB A/S 09-May-2025 16:54:04 PM 8 1320.50 CEUX
GENMAB A/S 09-May-2025 16:54:04 PM 11 1320.50 CEUX
GENMAB A/S 09-May-2025 16:54:04 PM 1 1320.50 CEUX
GENMAB A/S 09-May-2025 16:54:11 PM 4 1320.00 CEUX
157




gmab_20250512xex99d1a001.jpg

APPENDIX Share buy-back programme - Specification for May 5-9, 2025
GENMAB A/S 09-May-2025 16:54:15 PM 25 1320.50 XCSE
GENMAB A/S 09-May-2025 16:54:20 PM 27 1319.50 XCSE
GENMAB A/S 09-May-2025 16:54:28 PM 13 1319.00 XCSE
GENMAB A/S 09-May-2025 16:54:32 PM 15 1319.00 XCSE
GENMAB A/S 09-May-2025 16:54:40 PM 26 1318.50 XCSE
GENMAB A/S 09-May-2025 16:54:47 PM 19 1319.00 XCSE
158