Office Properties Income Trust Earns 2019 ENERGY STAR® Partner of the Year Award

Office Properties Income Trust (Nasdaq: OPI) today announced that it received the 2019 ENERGY STAR Partner of the Year Award for its outstanding efforts in energy management. This is the second consecutive year that OPI has achieved this honor. OPI will be recognized by the U.S. Environmental Protection Agency and the U.S. Department of Energy at a ceremony in Washington, D.C. on April 11, 2019.

Currently, 71 buildings in OPIs portfolio are ENERGY STAR certified. All properties owned by OPI are managed by The RMR Group LLC (RMR LLC), the majority owned operating subsidiary of The RMR Group Inc. (Nasdaq: RMR), which is responsible for providing all aspects of property management services to more than 700 buildings that contain over 75 million square feet of commercial office, industrial, medical office, life science and retail space. RMR LLC has also been honored as a 2019 ENERGY STAR Partner of the Year Award for its outstanding efforts as a Service and Product Provider.

Recognition from Energy Star for energy management for the second year in a row underscores our commitment to environmental stewardship, limiting our carbon footprint and continued efforts to uphold our sustainability initiatives, said David Blackman, President and Chief Executive Officer of OPI.

I applaud the 2019 ENERGY STAR Award Winners, said EPA Assistant Administrator for Air and Radiation Bill Wehrum. Their innovation and leadership enhance Americas economic competitiveness. Reducing costly energy waste improves air quality and public health while protecting the environment.

The ENERGY STAR Partner of the Year award recognizes ENERGY STAR partner businesses and organizations in good standing that demonstrate superior leadership, innovation, and commitment to environmental protection through energy efficiency and ENERGY STAR.

For a complete list of 2019 winners and more information about ENERGY STARs awards program, visit energystar.gov/awardwinners.

About Office Properties Income Trust Office Properties Income Trust is a real estate investment trust, or REIT, which primarily owns properties located throughout the United States and leased to single tenants and those with high credit quality characteristics like government entities. OPI is managed by the operating subsidiary of The RMR Group Inc. (Nasdaq: RMR), an alternative asset management company that is headquartered in Newton, MA.

About The RMR Group Inc. The RMR Group Inc. is a holding company and substantially all of its business is conducted by its majority owned operating subsidiary, The RMR Group LLC. The RMR Group LLC is an alternative asset management company that primarily provides management services to publicly traded REITs and real estate related operating companies. As of December 31, 2018, The RMR Group LLC had approximately $29.7 billion of total assets under management, including more than 1,500 properties, and employed almost 600 real estate professionals in more than 30 offices throughout the United States; the companies managed by The RMR Group LLC collectively had over 50,000 employees. The RMR Group Inc. is headquartered in Newton, Massachusetts.

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. Thousands of industrial, commercial, utility, state, and local organizationsincluding more than 40 percent of the Fortune 500rely on their partnership with the U.S. Environmental Protection Agency (EPA) to deliver cost-saving energy efficiency solutions. Since 1992, ENERGY STAR and its partners helped save American families and businesses nearly 4 trillion kilowatt-hours of electricity and achieve over 3 billion metric tons of greenhouse gas reductions. In 2017 alone, ENERGY STAR and its partners helped Americans avoid $30 billion in energy costs. More background information about ENERGY STAR can be found at: energystar.gov/about and energystar.gov/numbers.

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.

Olivia Snyder, Manager, Investor Relations
(617) 219-1410