Christopher Bilotto Appointed President and Chief Executive Officer

Brian Donley Appointed Chief Financial Officer and Treasurer

Office Properties Income Trust (Nasdaq: OPI) today announced that Christopher Bilotto has been appointed President and Chief Executive Officer and Brian Donley has been appointed Chief Financial Officer and Treasurer, both effective October 1, 2023.

Mr. Bilotto has been serving as Chief Operating Officer of OPI since 2020 and also as President since 2021. He is also a Senior Vice President of The RMR Group (Nasdaq: RMR), overseeing portfolio management for all office, industrial and retail properties managed by RMR, as well as development and redevelopment across the United States. Prior to joining RMR in 2011, Mr. Bilotto worked at General Growth Properties in various management roles.

Mr. Donley joined RMR in 2007 and is currently a Senior Vice President of RMR. Mr. Donley has more than 25 years of accounting and finance experience in the commercial real estate industry and is a certified public accountant. Mr. Donley will continue to serve as Service Properties Trust’s (Nasdaq: SVC) Chief Financial Officer and Treasurer.

About Office Properties Income Trust

OPI is a national REIT focused on owning and leasing high quality office and mixed-use properties in select growth-oriented U.S. markets. As of June 30, 2023, approximately 63% of OPI's revenues were from investment grade rated tenants. OPI owned and leased 155 properties as of June 30, 2023, with approximately 20.8 million square feet located in 30 states and Washington, D.C. In 2023, OPI was named as an Energy Star® Partner of the Year for the sixth consecutive year. OPI 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 June 30, 2023, and more than 35 years of institutional experience in buying, selling, financing and operating commercial real estate. OPI is headquartered in Newton, MA. For more information, visit opireit.com.

<sup>A Maryland Real Estate Investment Trust with transferable shares of beneficial interest listed on the Nasdaq.

No shareholder, Trustee or officer is personally liable for any act or obligation of the Trust.</sup>

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