Results of Operations and Financial Condition. On November 2, 2026 , Diversified Healthcare Trust, or the Company, issued a summary press release and a detailed earnings presentation announcing the Company's financial results for the quarter ended September 30, 2026. Copies of the Company's summary press release and detailed earnings presentation are furnished as Exhibits 99.1 and 99.2 hereto, respectively.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION. On August 3, 2026 , Diversified Healthcare Trust, or the Company, issued a summary press release and a detailed earnings presentation announcing the Company's financial results for the quarter ended June 30, 2026. Copies of the Company's summary press release and detailed earnings presentation are furnished as Exhibits 99.1 and 99.2 hereto, respectively.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION. On May 4, 2026 , Diversified Healthcare Trust, or the Company, issued a summary press release and a detailed earnings presentation announcing the Company's financial results for the quarter ended March 31, 2026. Copies of the Company's summary press release and detailed earnings presentation are furnished as Exhibits 99.1 and 99.2 hereto, respectively.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION. On February 23, 2026, Diversified Healthcare Trust, or the Company, issued a summary press release and a detailed earnings presentation announcing the Company's financial results for the quarter ended December 31, 2025. Copies of the Company's summary press release and detailed earnings presentation are furnished as Exhibits 99.1 and 99.2 hereto, respectively.

Other Events. On January 9, 2026, we received a cash dividend of $27.2 million from AlerisLife Inc., or AlerisLife, in connection with AlerisLife’s sale of all its assets and wind-down of its business. We expect to receive an additional cash dividend of approximately $3.0 million to $7.0 million at the completion of the wind-down of AlerisLife’s business. Warning Concerning Forward-Looking Statements This Current Report on Form 8-K contains statements that constitute forward-looking statement…

Results of Operations and Financial Condition. On January 14, 2026, we announced that we incurred an incentive management fee of $17.9 million for the 2025 calendar year under our Second Amended and Restated Business Management Agreement, dated as of June 5, 2015, with The RMR Group LLC, as amended to date, or the Business Management Agreement. The incentive management fee is payable by us in cash by January 30, 2026, and we will recognize this expense in our financial statements as of and fo…

Termination of a Material Definitive Agreement. On December 31, 2025, we completed the previously disclosed transition of the management of 116 of our senior living communities managed by AlerisLife Inc., or AlerisLife, to seven different third party managers. In connection therewith, we and AlerisLife mutually terminated our management agreements for our senior living communities managed by AlerisLife. A copy of the termination agreement is filed as Exhibit 10.1 hereto and is incorporated by…

RESULTS OF OPERATIONS AND FINANCIAL CONDITION. On November 3, 2025, Diversified Healthcare Trust, or the Company, issued a summary press release and a detailed earnings presentation announcing the Company's financial results for the quarter ended September 30, 2025. Copies of the Company's summary press release and detailed earnings presentation are furnished as Exhibits 99.1 and 99.2 hereto, respectively.

Other Events. Senior Secured Notes Transaction On September 26, 2025, we completed a private offering of $375,000,000 in aggregate principal amount of our 7.250% senior secured notes due 2030, or the Notes. The net proceeds from the offering were approximately $365.9 million, after deducting estimated discounts and commissions to the initial purchasers and other estimated fees and expenses. We used a portion of the net proceeds to fund the partial redemption of our senior secured notes due 20…

Other Events. On September 3, 2025, the Company announced the sale by AlerisLife Inc., or AlerisLife, of the management agreements for 116 senior living communities owned by the Company to seven different operators, in connection with AlerisLife’s sale of all its assets and wind-down of its business. A copy of the Company’s press release announcing these transactions is attached hereto as Exhibit 99.2 and is incorporated by reference herein.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION. On August 4, 2025, Diversified Healthcare Trust, or the Company, issued a summary press release and a detailed earnings presentation announcing the Company's financial results for the quarter ended June 30, 2025. Copies of the Company's summary press release and detailed earnings presentation are furnished as Exhibits 99.1 and 99.2 hereto, respectively.

The excerpt is incomplete and does not provide enough information to determine the specific nature of the event.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION. On May 5, 2025, Diversified Healthcare Trust, or the Company, issued a summary press release and a detailed earnings presentation announcing the Company's financial results for the quarter ended March 31, 2025. Copies of the Company's summary press release and detailed earnings presentation are furnished as Exhibits 99.1 and 99.2 hereto, respectively.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION. On February 25, 2025, Diversified Healthcare Trust, or the Company, issued a summary press release and a detailed earnings presentation announcing the Company's financial results for the quarter ended December 31, 2024. Copies of the Company's summary press release and detailed earnings presentation are furnished as Exhibits 99.1 and 99.2 hereto, respectively.

Completion of Acquisition or Disposition of Assets. On January 31, 2025, DHC completed the sale of three life science properties with approximately 186,000 rentable square feet located at 3030, 3040 and 3050 Science Park Road, San Diego, California, or MUSE, for a net sales price of $159.0 million, excluding closing costs.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION. On November 4, 2024, Diversified Healthcare Trust, or the Company, issued a summary press release and a detailed earnings presentation announcing the Company's financial results for the quarter ended September 30, 2024. Copies of the Company's summary press release and detailed earnings presentation are furnished as Exhibits 99.1 and 99.2 hereto, respectively.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION. On August 1, 2024, Diversified Healthcare Trust, or the Company, issued a summary press release and a detailed earnings presentation announcing the Company's financial results for the quarter ended June 30, 2024. Copies of the Company's summary press release and detailed earnings presentation are furnished as Exhibits 99.1 and 99.2 hereto, respectively.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION. On May 6, 2024, Diversified Healthcare Trust, or the Company, issued a summary press release and a detailed earnings presentation announcing the Company's financial results for the quarter ended March 31, 2024. Copies of the Company's summary press release and detailed earnings presentation are furnished as Exhibits 99.1 and 99.2 hereto, respectively.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION. On February 26, 2024, Diversified Healthcare Trust, or the Company, issued a summary press release and a detailed earnings presentation announcing the Company's financial results for the quarter ended December 31, 2023. A copy of the Company's summary press release and detailed earnings presentation are furnished as Exhibits 99.1 and 99.2 hereto, respectively.

(b) of the Borrower Letter, each as amended, supplemented or otherwise modified from time to time (except that amendments, supplements and modifications which (x) result in the Lien created by such lease or mortgage being spread to Properties other than the Acquired Encumbered Properties or (y) change any non-recourse provisions of such lease or mortgage applicable to lease or loan payments thereunder in a manner which is materially adverse to the lessee or mortgagor, must, in each case, be a…

RESULTS OF OPERATIONS AND FINANCIAL CONDITION. On November 1, 2023, Diversified Healthcare Trust, or the Company, issued a summary press release and a detailed earnings presentation announcing the Company's financial results for the quarter and nine months ended September 30, 2023. A copy of the Company's summary press release and detailed earnings presentation are furnished as Exhibits 99.1 and 99.2 hereto, respectively.

Termination of a Material Definitive Agreement. As previously disclosed, on April 11, 2023, we and OPI entered into an Agreement and Plan of Merger, or the Merger Agreement, pursuant to which we and OPI agreed that we would merge with and into OPI, with OPI as the surviving entity in the merger, subject to the terms and conditions of the Merger Agreement. On September 1, 2023, we and OPI mutually agreed to terminate the Merger Agreement and entered into a termination agreement, or the Termina…

Entry Into a Material Definitive Agreement. The disclosure set forth below under

Other Events. As previously disclosed, on April 11, 2023, we and OPI entered into a definitive merger agreement pursuant to which we will merge with and into OPI and OPI will continue as the surviving entity in the merger. On August 30, 2023, we and OPI convened and then immediately adjourned our and OPI’s respective Special Meeting of Shareholders in connection with the pending merger in order to continue ongoing discussions between our and OPI’s representatives and our and their respective…

RESULTS OF OPERATIONS AND FINANCIAL CONDITION. On August 1, 2023, Diversified Healthcare Trust, or the Company, issued a summary press release and a detailed earnings presentation announcing the Company's financial results for the quarter and six months ended June 30, 2023. A copy of the Company's summary press release and detailed earnings presentation are furnished as Exhibits 99.1 and 99.2 hereto, respectively.