展品99.2

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簽名[請在方框內簽名]日期簽名(共同所有者)日期 投票,用藍色或黑色墨水標記下面的方塊如下: 保留這部分作為您的記錄 分離並僅返回這部分僅當簽名和日期時此代理卡才有效。 V21216-Z85701反對棄權 投資者關係 寫字樓物業收入信託 華盛頓大街255號牛頓套房,馬薩諸塞州02458通過互聯網授權您的代理-www.proxyvote.com或掃描上面的二維碼 使用互聯網傳輸您的投票指示和電子傳遞信息 直到美國東部時間2023年8月29日晚上11:59。當您訪問網站並按照説明獲取您的記錄並提交您的 投票指示時,請攜帶您的代理卡。 通過電話授權您的代理-1-800-690-6903使用任何按鍵電話傳輸您的投票指示,直到東部時間2023年8月29日晚上11:59。打電話時請隨身攜帶代理卡,然後按照説明進行操作。 如果會議延期或延期,上述時間將延長至東部時間晚上11:59,即重新召開會議的前一天。 請通過郵寄方式授權您的代表 標記,在代理卡上簽名並註明日期,然後將其放入我們提供的已付郵資的信封中交回 或將其交回Office Properties Income Trust,地址為C/o Broadbridge,51 Mercedes Way,Edgewood, 紐約11717. 在會議期間通過虛擬出席會議進行投票 轉到www.virtualshareholdermeeting.com/OPI2023SM You可以通過互聯網參加會議並在會議期間投票。訪問網站時手持您的代理卡,並遵循網站上提供的説明。 掃描以 查看材料和VOTEw 1.建議1-OPI合併建議:根據截至2023年4月11日的協議和計劃的條款和條件,批准多元化醫療信託(DHC)與OPI和OPI的合併(“合併”),並將OPI作為合併中的 倖存實體, 該協議和計劃可能會不時修訂,由OPI和DHC之間(“OPI合併建議”)。 2.建議2-OPI股票發行建議:根據合併協議的條款和條件,授權向DHC股東發行每股面值0.01美元的OPI實益普通股(“OPI股票發行建議”)。 3.建議3-OPI休會建議:必要或適當時,不時批准OPI特別會議的休會, 包括徵集支持OPI合併提案和/或OPI股票發行提案的其他委託書,如果在此類休會時間沒有足夠的票數批准此類提案(“OPI休會提案”)。 此委託書在正確執行時將按指示投票,如果沒有給出指示,則將投票支持提案1、2和3。 在適用法律允許的最大範圍內,這些委託書將由其酌情決定:有權投票,否則 代表簽字人在大會之前或任何延期或 休會上適當提出的其他事項。 (注:請按您(S)的姓名(S)在此簽名。所有持證人必須簽字。以受託人、遺囑執行人、管理人或其他受託人的身份簽名時,請 提供完整的標題。共同所有人應各自親自簽名。如屬公司,請由獲授權人員以公司全名簽名,並註明名稱。如果是合夥企業,請由授權人員簽署合夥企業名稱並註明名稱。) 寫字樓物業收入信託基金 董事會建議投票支持提案1、2和3。 !!! !!! !!!

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V21217-Z85701 OFFICE PROPERTIES INCOME TRUST SPECIAL MEETING OF SHAREHOLDERS August 30, 2023, 10:00 a.m., Eastern Time This proxy is solicited on behalf of the Board of Trustees of Office Properties Income Trust. The undersigned shareholder of the Company hereby appoints Jennifer B. Clark and Adam D. Portnoy, or any of them, as proxies for the undersigned, with full power of substitution in each of them, to attend the Special Meeting of Shareholders of the Company to be held virtually via the Internet at www.virtualshareholdermeeting.com/OPI2023SM on August 30, 2023, at 10:00 a.m., Eastern Time, and any postponement or adjournment thereof, to cast on behalf of the undersigned all the votes that the undersigned is entitled to cast at the meeting and otherwise to represent the undersigned at the meeting with all powers possessed by the undersigned if personally present at the meeting. The undersigned hereby acknowledges receipt of the joint proxy statement/prospectus, which includes the Notice of Special Meeting of Shareholders, each of which is incorporated herein by reference, and revokes any proxy heretofore given with respect to the meeting. THE VOTES ENTITLED TO BE CAST BY THE UNDERSIGNED WILL BE CAST AS INSTRUCTED ON THE REVERSE SIDE HEREOF. IF THIS PROXY IS EXECUTED, BUT NO INSTRUCTION IS GIVEN, THE VOTES ENTITLED TO BE CAST BY THE UNDERSIGNED WILL BE CAST FOR PROPOSALS 1, 2 AND 3. ADDITIONALLY, TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE VOTES ENTITLED TO BE CAST BY THE UNDERSIGNED WILL BE CAST BY THE PROXIES, IN THEIR DISCRETION, ON ANY OTHER MATTER THAT MAY PROPERLY COME BEFORE THE MEETING OR AT ANY POSTPONEMENT OR ADJOURNMENT THEREOF. See reverse for instructions on how to authorize a proxy. Important Notice Regarding the Availability of Proxy Materials for the Special Meeting of Shareholders The Notice and Proxy Statement/Prospectus is available at www.proxyvote.com 1. Approval of the OPI Merger Proposal; 2. Approval of the OPI Share Issuance Proposal; and 3. Approval of the OPI Adjournment Proposal. THE BOARD OF TRUSTEES RECOMMENDS A VOTE FOR PROPOSALS 1, 2 AND 3. Proxy