Office Properties Income Trust announced that as previously reported, David M. Blackman announced his decision to retire and therefore resign as one of Managing Trustees, which was effective on June 17, 2021. Also on June 17, 2021, Board of Trustees, pursuant to a recommendation of the Nominating and Governance Committee of Board of Trustees, elected Jennifer B. Clark as the Managing Trustee of Board of Trustees, effective immediately. Ms. Clark was elected to fill the vacancy caused by the resignation of David M. Blackman and to serve the remainder of the Mr. Blackman's term as Managing Trustee. Ms. Clark will stand for election at 2023 annual meeting of shareholders. Ms. Clark, age 60, has been executive vice president, general counsel and secretary of RMR Inc. since shortly after its formation in 2015. Ms. Clark joined RMR LLC in 1999 as a vice president; she became a senior vice president in 2006, an executive vice president and general counsel in 2008 and secretary in 2015. Ms. Clark also serves as an officer of ABP Trust, a director and secretary of Sonesta Holdco Corporation, and executive vice president, general counsel and secretary of Tremont Realty Advisors LLC. Ms. Clark serves as the secretary of each of the companies to which RMR LLC or its subsidiaries provide management services, including the Company. Ms. Clark also served as a managing trustee of RMR Mortgage Trust from 2019 to January 2021, chief legal officer of RMR Mortgage Trust from 2002 to January 2021 and as a managing trustee of Diversified Healthcare Trust from 2018 to June 2021. Ms. Clark also served as a director of RMR Advisors LLC from 2016 to 2021 when it merged with Tremont Realty Advisors LLC, as its president and chief executive officer from 2019 to 2021, and prior to that as its executive vice president and general counsel from October 2017 through December 2018 and as its secretary from 2004 to 2021, and as vice president and chief legal officer from 2007 through September 2017. Prior to joining RMR LLC, Ms. Clark was a partner at the law firm of Sullivan & Worcester LLP.