Diversified Healthcare Trust Closes $941 Million Zero Coupon Senior Secured Notes with a Maturity Date in January 2026, and a One-Year Extension Option - Seite 2

This press release does not constitute an offer to sell, or a solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. This press release also does not constitute a notice of redemption with respect to the redemption of DHC’s 4.750% Senior Notes due 2024.

About Diversified Healthcare Trust

DHC is a real estate investment trust focused on owning high-quality healthcare properties located throughout the United States. DHC seeks diversification across the health services spectrum by care delivery and practice type, by scientific research disciplines and by property type and location. As of September 30, 2023, DHC’s approximately $7.2 billion portfolio included 376 properties in 36 states and Washington, D.C., occupied by approximately 500 tenants, and totaling approximately 9 million square feet of life science and medical office properties and more than 27,000 senior living units. DHC is managed by The RMR Group (Nasdaq: RMR), a leading U.S. alternative asset management company with approximately $36 billion in assets under management as of September 30, 2023 and more than 35 years of institutional experience in buying, selling, financing and operating commercial real estate. To learn more about DHC, visit www.dhcreit.com.

WARNING CONCERNING FORWARD-LOOKING STATEMENTS

This press release contains statements that constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and other securities laws. Also, whenever DHC uses words such as “believe”, “expect”, “anticipate”, “intend”, “plan”, “estimate”, “will”, “may” and negatives or derivatives of these or similar expressions, DHC is making forward-looking statements. These forward-looking statements are based upon DHC’s present intent, beliefs or expectations, but forward-looking statements are not guaranteed to occur and may not occur. In addition, although DHC is immediately in compliance with the debt incurrence covenants under its remaining public debt agreements as a result of this transaction and the repayment of DHC’s secured credit facility and the redemption of its outstanding 4.750% Senior Notes due in May 2024, DHC may not be able to execute on additional financing strategies or have sufficient liquidity available to fund its capital projects as it currently expects, and DHC may not be able to continue to invest in the growth and recovery of its senior living communities as a result of economic and market conditions or other reasons.