Exhibit 99.1

Contact Information

Investor Relations

Tel: +86 (21) 6195 9561

Email: ir@hworld.com

https://ir.hworld.com

H World Group Limited Reports First Quarter of 2026 Unaudited Financial Results

Singapore/Shanghai, China, May 15, 2026 – H World Group Limited (NASDAQ: HTHT and HKEX: 1179) (“H World”, the “Company”, “we” or “our”), a key player in the global hotel industry, today announced its unaudited financial results for the first quarter ended March 31, 2026.

As of March 31, 2026, H World’s worldwide hotel network in operation totaled 13,215 hotels and 1,303,563 rooms, including 13,095 hotels from HWC and 120 hotels from HWI. During the first quarter of 2026, our HWC business opened 537 hotels, including 4 leased and owned (“L&O”) hotels, and 533 M&F hotels, and closed a total of 177 hotels, including 12 L&O hotels, and 165 M&F hotels. As of March 31, 2026, H World had a total of 2,894 unopened hotels in our pipeline, including 2,865 hotels from the HWC business and 29 hotels from the HWI business.

HWC – First Quarter of 2026 Operational Highlights

As of March 31, 2026, HWC had 13,095 hotels in operation, including 502 L&O hotels, and 12,593 M&F hotels. In addition, as of the same date, HWC had 1,278,531 hotel rooms in operation, including 75,839 rooms under the L&O model, and 1,202,692 rooms under the M&F models. HWC also had 2,865 unopened hotels in its pipeline, including 11 L&O hotels, and 2,854 M&F hotels. The following discusses HWC’s average daily room rate (“ADR”), occupancy rate and revenue per available room (“RevPAR”) for L&O HWC hotels, as well as for M&F HWC hotels for the periods indicated.

• The HWC ADR was RMB285 in the first quarter of 2026, compared with RMB272 in the first quarter of 2025 and RMB288 in the previous quarter.

• The occupancy rate for all of the HWC hotels in operation was 75.1% in the first quarter of 2026, compared with 76.2% in the first quarter of 2025 and 78.4% in the previous quarter.

• Blended HWC RevPAR was RMB214 in the first quarter of 2026, compared with RMB208 in the first quarter of 2025 and RMB226 in the previous quarter.

• For all of the HWC hotels which had been in operation for at least 18 months, the same-hotel RevPAR was RMB208 in the first quarter of 2026, representing a 2.3% decrease from RMB213 in the first quarter of 2025, with a 1.4% increase in same-hotel ADR and a 2.8 percentage-point decrease in same-hotel occupancy rate.

HWI – First Quarter of 2026 Operational Highlights

As of March 31, 2026, HWI had 120 hotels in operation, including 63 leased hotels, and 57 M&F hotels. In addition, as of the same date, HWI had 25,032 hotel rooms in operation, including 13,444 rooms under the lease model, and 11,588 rooms under the M&F models. HWI also had 29 unopened hotels in the pipeline, including 8 leased hotels and 21 M&F hotels. The following discusses HWI’s ADR, occupancy rate and RevPAR for leased as well as for M&F HWI hotels (excluding hotels temporarily closed) for the periods indicated.

• The HWI ADR5 was USD127 in the first quarter of 2026, compared with USD125 in the first quarter of 2025 and USD140 in the previous quarter.

• The occupancy rate for all HWI hotels in operation was 63.3% in the first quarter of 2026, compared with 61.2% in the first quarter of 2025 and 72.5% in the previous quarter.

• Blended HWI RevPAR5 was USD80 in the first quarter of 2026, compared with USD76 in the first quarter of 2025 and USD101 in the previous quarter.

Jin Hui, CEO of H World commented: “In the first quarter of 2026, we maintained steady network expansion with 537 new hotel openings in China. We are well on track to meet our full-year gross opening target of approximately 2,200 to 2,300 hotels. Supported by continuous product upgrades and a series of revenue management optimization initiatives, our blended HWC ADR increased 4.5% year-over-year and drove a 3.0% year-over-year increase in blended RevPAR, representing a sequential quarter-over-quarter improvement. Looking ahead, we will continue to pursue high-quality hotel network expansion, strengthen our brand positioning, enhance member-centric sales capabilities underpinned by the H Rewards membership program, and further deepen our technology and AI development.”

“To better and more accurately reflect our future development prospects, we have adopted the new HWC and HWI disclosure framework and terminology beginning this quarter, where the acronym ‘HWC’ refers to our operations inside China, and ‘HWI’ covers all of our hotel operations outside China. In the first quarter of 2026, our HWI segment recorded a 5.0% year-over-year blended RevPAR increase, with a 1.6% increase in ADR and a 2.1 percentage-point increase in occupancy rate. ”

First Quarter of 2026 Unaudited Financial Results

Revenue in the first quarter of 2026 was RMB6.0 billion (US$870 million), representing an 11.1% year-over-year increase and an 8.1% quarter-over-quarter decline. Revenue from the HWC segment in the first quarter of 2026 was RMB5.0 billion, representing a 12.4% year-over-year increase and a 3.6% quarter-over-quarter decline. The 12.4% HWC year-over-year increase was mainly driven by continued hotel network expansion and improved RevPAR performance. Revenue from the HWI segment in the first quarter of 2026 was RMB972 million, representing a 5.1% year-over-year increase and a 26.1% quarter-over-quarter decline.

Revenue from leased and owned (L&O) hotels in the first quarter of 2026 was RMB2.8 billion (US$399 million), representing a 1.4% year-over-year decrease and a 15.8% quarter-over-quarter decline. Revenue from L&O hotels from the HWC segment in the first quarter of 2026 was RMB1.8 billion, representing a 4.5% year-over-year decrease, as we continue exiting L&O hotels. Revenue from L&O hotels from the HWI segment in the first quarter of 2026 was RMB929 million, representing a 5.2% year-over-year increase.

Revenue from manachised and franchised (M&F) hotels in the first quarter of 2026 was RMB3.0 billion (US$436 million), representing a 20.3% year-over-year increase and remaining largely flat from quarter-over-quarter. HWC segment revenue from M&F hotels in the first quarter of 2026 was RMB3.0 billion, representing a 20.6% year-over-year increase, driven by hotel network expansion. HWI segment revenue from M&F hotels in the first quarter of 2026 was RMB31 million, representing flat year-over-year performance, partly attributable to the closure of 4 M&F hotels during the quarter.

Other revenue represents revenue generated from businesses other than our hotel operations, which mainly includes revenue from the provision of technical services, procurement platform and Huazhu Mall™ and other revenue from the HWI segment, totaling RMB240 million (US$35 million) in the first quarter of 2026, compared to RMB107 million in the first quarter of 2025 and RMB236 million in the previous quarter.

Hotel operating costs in the first quarter of 2026 were RMB3.7 billion (US$529 million), reflecting a 1.4% year-over-year increase. The 1.4% year-over-year increase was mainly due to a 1.9% year-over-year increase in HWC. As we continue to pursue an asset-light strategy, our hotel operating costs as a percentage of revenue have decreased by 5.8 percentage points year-over-year.

Selling, General and administrative expenses (SG&A) in the first quarter of 2026 were RMB846 million (US$122 million), reflecting a 12.1% year-over-year increase, with a 14.3% year-over-year increase in HWC and a 5.6% year-over-year increase in HWI.

Other operating income, net in the first quarter of 2026 was RMB22 million (US$3 million), compared to RMB60 million in the first quarter of 2025 and RMB259 million in the previous quarter.

Income from operations in the first quarter of 2026 was RMB1.5 billion (US$217 million), reflecting a 37.5% year-over-year increase, driven primarily by a 31.8% year-on-year increase in HWC together with a 12.1% year-over-year increase in HWI.

Operating margin, defined as income from operations as a percentage of revenue, was 24.8% in the first quarter of 2026, compared with 20.1% in the first quarter of 2025 and 29.1% in the previous quarter. The year-over-year margin improvement was mainly driven by a higher revenue contribution from our M&F businesses, consistent with our asset-light expansion strategy.

Income tax expense in the first quarter of 2026 was RMB481 million (US$70 million), compared to RMB377 million in the first quarter of 2025 and RMB571 million in the previous quarter. The higher income tax expense in the quarter was due to non-deductible items.

Net income attributable to H World Group Limited in the first quarter of 2026 was RMB817 million (US$118 million), reflecting an 8.6% year-over-year decrease, mainly due to a 10.0% year-over-year decrease in HWC.

EBITDA (non-GAAP) in the first quarter of 2026 was RMB1.6 billion (US$232 million), compared with RMB1.6 billion in the first quarter of 2025 and RMB2.1 billion in the previous quarter.

Adjusted EBITDA, which excluded the following from EBITDA (non-GAAP): share-based compensation expenses, gain (loss) from fair value changes of equity securities, foreign exchange gain (loss), net, and gain (loss) on disposal of investments, was RMB1.9 billion (US$269 million) in the first quarter of 2026, compared with RMB1.5 billion in the first quarter of 2025 and RMB2.2 billion in the previous quarter. Adjusted EBITDA from the HWC segment, which is a segment measure, was RMB1.9 billion in the first quarter of 2026, compared with RMB1.6 billion in the first quarter of 2025 and RMB1.9 billion in the previous quarter. Adjusted EBITDA from the HWI segment, which is a segment measure, was a loss of RMB56 million in the first quarter of 2026, compared with a loss of RMB78 million in the first quarter of 2025 and a gain of RMB327 million in the previous quarter.

Cash flow. Operating cash inflow in the first quarter of 2026 was RMB233 million (US$33 million). Investing cash inflow in the first quarter of 2026 was RMB1.4 billion (US$207 million). Financing cash inflow in the first quarter of 2026 was RMB416 million (US$60 million).

Cash, cash equivalents and restricted cash. As of March 31, 2026, the Company had a total balance of cash and cash equivalents of RMB12.4 billion (US$1.8 billion) and restricted cash of RMB141 million (US$20 million).

Debt financing. As of March 31, 2026, the Company had total debt of RMB6.2 billion (US$897 million). The net cash balances, which include cash and cash equivalents, restricted cash, net of short-term and long-term debt, amounted to RMB6.3 billion (US$915 million).

In May 2020, the Company issued US$500 million of Convertible Senior Notes (the “2026 Notes”). The 2026 Notes matured on May 1, 2026, upon which an aggregate principal of US$499.6 million under the notes was converted into 13 million ADSs. The Company redeemed the remaining principal balance of US$0.4 million of the 2026 Notes.

Resignation of Director

The board of directors of the Company (the “Board”) hereby announces that Ms. Jie Zheng has informed the Board to resign as an executive Director, effective from May 15, 2026, to pursue other interests. Ms.Zheng has kindly agreed to continue to support the Company as a senior advisor to the Company to ensure a smooth transition. During her tenure, Ms. Zheng actively and diligently discharged her duties as an executive Director of the Company, in particular in successfully returning the European business to profitability. The Board hereby expresses its sincere gratitude to Ms.Zheng for her highly effective work during her tenure and her contributions to the development of the Company.

Conference Call

H World’s management will host a conference call at 7 a.m. (U.S. Eastern time) on Friday, May 15, 2026 (or 7 p.m. (Hong Kong time) on Friday, May 15, 2026) following the announcement.

To join by phone, all participants must pre-register this conference call using the Participant Registration link of https://register-conf.media-server.com/register/BIec456343c7c34361958c8a8dfcab30c8. Upon registration, each participant will receive details for the conference call, including dial-in numbers, conference call passcode and a unique access PIN.

A live webcast of the call can be accessed at https://edge.media-server.com/mmc/p/apgspznn or the Company’s website at https://ir.hworld.com/news-and-events/events-calendar.

A replay of the conference call will be available for twelve months from the date of the conference at the Company’s website, https://ir.hworld.com/news-and-events/events-calendar.

Use of Non-GAAP Financial Measures

To supplement the Company’s unaudited consolidated financial results presented in accordance with U.S. Generally-Accepted Accounting Principles (“GAAP”), the Company uses the following non-GAAP measures defined as non-GAAP financial measures by the U.S. Securities and Exchange Commission (“SEC”): adjusted net income (loss) attributable to H World Group Limited excluding share-based compensation expenses, gain (loss) from fair value changes of equity securities, foreign exchange gain (loss), net, and gain (loss) on disposal of investments; adjusted basic and diluted earnings (losses) per share/American Depositary Share (“ADS”) excluding share-based compensation expenses, gain (loss) from fair value changes of equity securities, foreign exchange gain (loss), net, and gain (loss) on disposal of investments; EBITDA; adjusted EBITDA excluding share-based compensation expenses, gain (loss) from fair value changes of equity securities, foreign exchange gain (loss), net, and gain (loss) on disposal of investments. The presentation of these non-GAAP financial measures is not intended to be considered in isolation or as a substitute for the financial information prepared and presented in accordance with U.S. GAAP. For more information on these non-GAAP financial measures, please see the table captioned “Unaudited Reconciliations of GAAP and non-GAAP Results” set forth at the end of this release. The Company believes that these non-GAAP financial measures provide meaningful supplemental information regarding Company performance by excluding share-based compensation expenses, gain (loss) from fair value changes of equity securities, foreign exchange gain (loss), net, and gain (loss) on disposal of investments that may not be indicative of Company operating performance. The Company believes that both management and investors benefit from referring to these non-GAAP financial measures in assessing Company performance and when planning and forecasting future periods. These non-GAAP financial measures also facilitate management’s internal comparisons to the Company’s historical performance. The Company believes these non-GAAP financial measures are also useful to investors in allowing for greater transparency with respect to supplemental information used regularly by Company management in financial and operational decision-making. A limitation of using non-GAAP financial measures excluding share-based compensation expenses, gain (loss) from fair value changes of equity securities, foreign exchange gain (loss), net, and gain (loss) on disposal of investments is that share-based compensation expenses, gain (loss) from fair value changes of equity securities, foreign exchange gain (loss), net, and gain (loss) on disposal of investments have been and may continue to be significant and recurring in the Company’s business. Management compensates for these limitations by providing specific information regarding the GAAP amounts excluded from each non-GAAP measure. The accompanying tables have more details on the reconciliations between GAAP financial measures that are most directly comparable to non-GAAP financial measures.

The Company believes that EBITDA is a useful financial metric to assess the operating and financial performance before the impact of investing and financing transactions and income taxes, given the significant investments that the Company has made in leasehold improvements, depreciation and amortization expense that comprise a significant portion of the Company’s cost structure. In addition, the Company believes that EBITDA is widely used by other companies in the lodging industry and may be used by investors as a measure of financial performance. The Company believes that EBITDA information provides investors with a useful tool for comparability between periods because it excludes depreciation and amortization expense attributable to capital expenditures. The Company also uses adjusted EBITDA to assess operating results of its hotels in operation. The Company believes that the exclusion of share-based compensation expenses, gain (loss) from fair value changes of equity securities, foreign exchange gain (loss), net, and gain (loss) on disposal of investments helps facilitate year-over-year comparisons of the results of operations as the share-based compensation expenses, gain (loss) from fair value changes of equity securities, foreign exchange gain (loss), net, and gain (loss) on disposal of investments may not be indicative of Company operating performance.

Therefore, the Company believes adjusted EBITDA more closely reflects the financial performance capability of Company’s hotels. The presentation of EBITDA and adjusted EBITDA should not be construed as an indication that the Company’s future results will be unaffected by other charges and gains considered to be outside the ordinary course of business.

The use of EBITDA and adjusted EBITDA has certain limitations. Depreciation and amortization expense for various long-term assets (including land use rights), income tax, interest expense and interest income have been and will be incurred and are not reflected in the presentation of EBITDA. Share-based compensation expenses, gain (loss) from fair value changes of equity securities, foreign exchange gain (loss), net, and gain (loss) on disposal of investments have been and will be incurred and are not reflected in the presentation of adjusted EBITDA. Each of these items should also be considered in the overall evaluation of the results. The Company compensates for these limitations by providing the relevant disclosure of depreciation and amortization, interest income, interest expense, income tax expense, share-based compensation expenses, gain (loss) from fair value changes of equity securities, foreign exchange gain (loss), net, and gain (loss) on disposal of investments all in the reconciliations to the U.S. GAAP financial measures and in the consolidated financial statements, all of which should be considered when evaluating the performance of the Company.

The terms EBITDA and adjusted EBITDA are not defined under U.S. GAAP, and neither EBITDA nor adjusted EBITDA is a measure of net income, operating income, operating performance or liquidity presented in accordance with U.S. GAAP. When assessing the operating and financial performance, investors should not consider these data in isolation or as a substitute for the Company’s net income, operating income or any other operating performance measure that is calculated in accordance with U.S. GAAP. In addition, the Company’s EBITDA or adjusted EBITDA may not be comparable to EBITDA or adjusted EBITDA or similarly titled measures utilized by other companies since such other companies may not calculate EBITDA or adjusted EBITDA in the same manner as the Company does.

Reconciliations of the Company’s non-GAAP financial measures, including EBITDA and adjusted EBITDA, to the consolidated statement of operations information are included at the end of this press release.

About H World Group Limited

Originated in China, H World Group Limited is a key player in the global hotel industry. As of March 31, 2026, H World operated 13,215 hotels with 1,303,563 rooms in operation in 21 countries. H World’s brands include HanTing Hotel, JI Hotel, Orange Hotel, Crystal Orange Hotel, IntercityHotel, Grand JI Hotel, Hi Inn, Ni Hao Hotel, Elan Hotel, Zleep Hotels, Starway Hotel, CitiGO, Manxin Hotel, Madison Hotel, MAXX Hotel, Blossom House, Joya Hotel, Steigenberger Hotels & Resorts, Jaz in the City, Steigenberger Icons and Song Hotels. In addition, H World also has the rights as master franchisee for Mercure, Ibis and Ibis Styles, and co-development rights for Grand Mercure and Novotel, in the pan-China region.

H World’s business includes L&O and M&F models. Under the L&O model, H World directly operates hotels typically located on leased or owned properties. Under the manachise model, H World manages manachised hotels through the on-site hotel managers that H World appoints, and H World collects fees from franchisees. Under the franchise model, H World provides training, reservations and support services to the franchised hotels, and collects fees from franchisees but does not appoint on-site hotel managers. H World applies a consistent standard and platform across all of its hotels. As of March 31, 2026, H World operated 7 percent of its hotel rooms under the L&O model, and 93 percent under the M&F model.

For more information, please visit H World’s website: https://ir.hworld.com.

Safe Harbor Statement Under the U.S. Private Securities Litigation Reform Act of 1995: The information in this release contains forward-looking statements which involve risks and uncertainties. Such factors and risks include our anticipated growth strategies; our future results of operations and financial condition; economic conditions; the regulatory environment; our ability to attract and retain customers and leverage our brands; trends and competition in the lodging industry; the expected growth of demand for lodging; and other factors and risks detailed in our filings with the U.S. Securities and Exchange Commission. Any statements contained herein that are not statements of historical fact may be deemed to be forward-looking statements, which may be identified by terminology such as “may,” “should,” “will,” “expect,” “plan,” “intend,” “anticipate,” “believe,” “estimate,” “predict,” “potential,” “forecast,” “project” or “continue,” the negative of such terms or other comparable terminology. Readers should not rely on forward-looking statements as predictions of future events or results.

H World undertakes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, unless required by applicable law.

—Financial Tables and Operational Data Follow—

H World Group Limited

Unaudited Condensed Consolidated Balance Sheets

H World Group Limited

Unaudited Condensed Consolidated Statements of Comprehensive Income

H World Group Limited

Unaudited Condensed Consolidated Statements of Cash Flows

H World Group Limited

Unaudited Reconciliation of GAAP and Non-GAAP Results

H World Group Limited

Segment Financial Summary

Beginning in 1Q26, we relabeled our operating segments to "HWC" and "HWI", to replace formerly "Legacy-Huazhu" and "Legacy-DH". In addition, there is a minor realignment between these two segments in 2026; accordingly, comparative figures for the prior periods were updated to conform to the current period’s presentation.

Operating Results: HWC(1)

(1) HWC refers to H World China, covering all hotel operating inside China.

Same-hotel operational data by class

Mature hotels in operation for more than 18 months

Operating Results: HWI(2)

(2)       HWI refers to H World International, which includes all hotels operating outside China.

(3)       As of March 31, 2026, a total of 2 hotels were temporarily closed due to repair and renovation.

Hotel Portfolio by Brand