Offers to Meet with Leadership to Discuss Superior Alternatives to the Value-Destructive Deal

Believes DHC and OPI’s Recent Fear-Mongering and Delay Tactics are Desperate Attempts to Salvage the Deal Following Recent Public Shareholder Opposition

Visit www.SaveDHC.com and Learn How to Vote AGAINST the Deal on the GOLD Proxy Card

Flat Footed LLC (together with its affiliates, “FFL” or “we”) is a top shareholder of Diversified Healthcare Trust (Nasdaq: DHC) (“DHC” or the “Company”), owning approximately 9.8% of the Company’s outstanding common shares. Today, FFL issued the following statement in response to growing shareholder opposition to the Company’s proposed merger with Office Properties Income Trust (Nasdaq: OPI) (“OPI”).

“In recent weeks, it has been encouraging to learn that fellow equity holders share our concerns regarding the value-destructive DHC-OPI merger. Significant shareholders, including D.E. Shaw and H/2 Capital Partners, have announced their opposition to the deal because it does not serve shareholders’ best interests and have suggested alternative solutions to the Company’s near-term challenges. Rather than pursue these superior alternatives, DHC has cancelled meetings, removed the Special Meeting date in the latest proxy amendment, and resorted to fear-mongering tactics regarding the Company’s financial condition in hopes it will help earn support for the deal. The reality is that FFL, and clearly a large portion of the shareholder base, want DHC to pursue alternative paths to this transaction and have indicated a willingness to help the Company realize shareholder value. As a long-term, significant investor, FFL is interested in meeting with DHC to help it assess targeted asset sales, as well as other credible alternatives to the merger. It is time for the Company to stop dragging its feet and terminate this deal today.”

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FFL Urges DHC Shareholders to Vote AGAINST ALL of the Company’s Proposals on the GOLD Proxy Card.

Voting AGAINST DHC’s Proposed Merger with OPI and the Company’s Adjournment Proposal Can Protect the Value of Your Investment.

Visit www.SaveDHC.com to Sign Up for Important Updates and Obtain Information on How to Vote the GOLD Proxy Card.

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About Flat Footed

Flat Footed LLC is a special situation, value-oriented investment management firm focused on leveraged, asset-heavy companies with complex capital structures. The Flat Footed LLC team has cumulatively managed $2.8 billion since founding their first fund together in 1999. For more information, visit www.flatfootedllc.com.

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