Corporate Office Properties Trust (COPT or the Company) (NYSE: OFC) announced that Jay H. Shidler and Clay W. Hamlin, III will step down from their respective positions as Chairman and Vice Chairman of the Company’s Board of Trustees, effective at the Company’s upcoming annual meeting of shareholders on May 9, 2013. Both are nominated for re-election at the meeting and if elected will remain on the Board as trustees. Thomas F. Brady, who has served on the Company’s Board since January 2002 and is also nominated for re-election, has been appointed Chairman of the Board, also effective May 9, 2013. "It has been an honor to serve as Chairman of Corporate Office Properties Trust since 1997," stated Jay H. Shidler, Chairman of the Board of Trustees for Corporate Office Properties Trust. "Tom’s extensive career in key financial and strategic executive positions at a substantial public company qualifies him to lead our Board and assess our strategic initiatives,” he stated. Mr. Brady was Chairman of the Board of Directors of Baltimore Gas & Electric Company (‘‘BGE’’) and Executive Vice President - Corporate Strategy at Constellation Energy Group (‘‘CEG’’) (formerly NYSE: CEG, now a subsidiary of Exelon Corporation, NYSE: EXC). During his career at CEG/BGE, Mr. Brady held a series of senior executive positions providing experience in strategy, mergers and acquisitions, entrepreneurial start-up businesses, managing local utility operations and chief accounting officer responsibilities. Prior to its acquisition by Exelon, CEG was a Fortune 200 company owning energy related businesses, including BGE. BGE is the largest electric and gas utility in Maryland. He continued to serve on the Board of Directors of BGE through 2012. Mr. Brady is Chairman of the Opower Advisory Board, a global leader in providing energy information software to the utility industry. Mr. Brady is also on the Board of Directors of ENBALA Power Networks Ltd., a smart grid technology company providing innovative grid balancing services to utilities and electric system operators. Both Opower and ENBALA are privately-owned clean technology companies. Mr. Brady is also a Trustee and Treasurer of the Board of Stevenson University.