Washington, D.C. 20549

PURSUANT TO RULE 13a­16 OR 15d­16 UNDER THE

SECURITIES EXCHANGE ACT OF 1934

For April 25, 2025

Randfontein Office Park

Corner Main Reef Road and Ward Avenue Randfontein, 1759

South Africa

(Address of principal executive offices)

*-­

(Indicate by check mark whether the registrant files or will file annual reports under cover of

Form 20­ F or Form 40­F.)

Form 20F ☒ Form 40F ☐

(Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3­2(b) under the Securities Exchange Act of 1934.)

Yes ☐ No ☒

Harmony Gold Mining Company Limited

Registration number 1950/038232/06

Incorporated in the Republic of South Africa

ISIN: ZAE000015228

JSE share code: HAR

(“Harmony”)

Johannesburg, Friday, 25 April 2025. Harmony Gold Mining Company Limited (“Harmony” and/or “the Company”) regrets to announce that an employee tragically lost his life in a locomotive-related accident at Moab Khotsong mine, this morning.

All relevant authorities, family and stakeholders have been informed. An investigation into the incident is currently underway, led by the Department of Mineral and Petroleum Resources (DMPR).

“We are profoundly saddened by this tragic loss and extend our heartfelt condolences to the family, friends, and co-workers of our colleague during this incredibly difficult time,” said Beyers Nel, Group Chief Executive Officer.

Achieving zero harm remains our priority at all of our operations, and we remain fully committed to this goal.

Ends.

For more details contact:

Chipo Morapedi-Mrara

Head of Communications and Branding

+27 (0) 60 571 0797 (mobile)

Or

Mashego Mashego

Executive Director: Corporate affairs

+27 (0) 82 767 1072 (mobile)

25 April 2025

Sponsor:

J.P. Morgan Equities South Africa Proprietary Limited.

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.