Company Achieves Sustained Excellence Designation for the Fifth Year in a Row

Office Properties Income Trust (Nasdaq: OPI) today announced that it received the 2024 ENERGY STAR® Partner of the Year Award for the seventh consecutive year. OPI was also recognized as an ENERGY STAR® Partner of the Year Sustained Excellence honoree for the fifth consecutive year. Currently, 41 buildings in OPI’s portfolio are ENERGY STAR certified.

Each year, the ENERGY STAR program honors a group of businesses and organizations that have made outstanding contributions to protecting the environment through superior energy achievements. The Sustained Excellence designation is the highest honor bestowed by the ENERGY STAR program and winners are part of a distinguished group that has made a long-term commitment to fighting climate change and protecting public health through energy efficiency.

Yael Duffy, President and Chief Operating Officer of OPI, made the following comments:

“We are proud to be recognized as an ENERGY STAR Partner of the Year for the seventh consecutive year. This honor is a testament to OPI’s environmental sustainability practices and commitment to achieving energy efficiency across our portfolio which benefits our tenants and other stakeholders and reduces our carbon footprint.”

Winners are selected from a network of thousands of ENERGY STAR partners. For a complete list of 2024 winners and more information about ENERGY STAR’s awards program, visit http://www.energystar.gov/awardwinners.

OPI is a client of The RMR Group (Nasdaq: RMR), a leading U.S. alternative asset management company with over $41 billion in assets under management. RMR received the 2024 ENERGY STAR Partner of the Year Award for the sixth consecutive year.

About Office Properties Income Trust

OPI is a national REIT focused on owning and leasing office properties to high credit quality tenants in markets throughout the United States. As of December 31, 2023, approximately 64% of OPI's revenues were from investment grade rated tenants. OPI owned 152 properties as of December 31, 2023, with approximately 20.5 million square feet located in 30 states and Washington, D.C. In 2024, OPI was named as an ENERGY STAR® Partner of the Year for the seventh consecutive year. OPI is managed by The RMR Group (Nasdaq: RMR), a leading U.S. alternative asset management company with over $41 billion in assets under management as of December 31, 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.

About The RMR Group

The RMR Group is a leading U.S. alternative asset management company, unique for its focus on commercial real estate (CRE) and related businesses. RMR’s vertical integration is supported by over 1,100 real estate professionals in more than 30 offices nationwide who manage over $41 billion in assets under management and leverage more than 35 years of institutional experience in buying, selling, financing and operating CRE. RMR benefits from a scalable platform, a deep and experienced management team and a diversity of direct real estate strategies across its clients. RMR is headquartered in Newton, MA and was founded in 1986. For more information, please visit rmrgroup.com.

About ENERGY STAR

ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. Since 1992, ENERGY STAR and its partners helped American families and businesses avoid more than $500 billion in energy costs and achieve more than 4 billion metric tons of greenhouse gas reductions. More background information about ENERGY STAR’s impacts can be found at www.energystar.gov/impacts.

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.

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