UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934 (Amendment No. )

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¨	Preliminary Proxy Statement
¨	CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14a-6(e)(2))
¨	Definitive Proxy Statement
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¨	Soliciting Material under §.240.14a-12

Office Properties Income Trust

(Name of Registrant as Specified In Its Charter)
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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Your Vote Counts! OFFICE PROPERTIES INCOME TRUST2024 Annual Meeting Vote by June 12, 2024 11:59 PM ETINVESTOR RELATIONS OFFICE PROPERTIES INCOME TRUST 255 WASHINGTON STREET, SUITE 300 NEWTON, MASSACHUSETTS 02458V40345-P10796You invested in OFFICE PROPERTIES INCOME TRUST and it’s time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy material for the shareholder meeting to be held on June 13, 2024. Get informed before you vote View the Notice of Annual Meeting, Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to May 30, 2024. If you would like to request a copy of the material(s) for this and/or future shareholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy.For complete information and to vote, visit www.ProxyVote.com Control #Smartphone users Point your camera here and vote without entering a control numberVirtually at:Vote Virtually at the Meeting* June 13, 2024 9:30 a.m., Eastern Timehttps://www.virtualshareholdermeeting.com/OPI2024*Please check the meeting materials for any special requirements for meeting attendance.

Vote at www.ProxyVote.comTHIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming shareholder meeting. Please follow the instructions on the reverse side to vote on these important matters.Voting Items 1. Election of Trustees. Nominees (for Independent Trustee):Board RecommendsDonna D. Fraiche Barbara D. Gilmore John L. Harrington William A. Lamkin Elena B. Poptodorova Jeffrey P. Somers Mark A. Talley Nominees (for Managing Trustee): Jennifer B. Clark Adam D. Portnoy 2. Advisory vote to approve executive compensation. 3. Ratification of the appointment of Deloitte & Touche LLP as independent auditors to serve for the 2024 fiscal year.For For For For For For ForFor For For ForPrefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Delivery Settings”.V40346-P10796