Corporate Office Properties Trust to Present at the 2007 Citigroup Global Property CEO Conference.

COLUMBIA, Md. -- Corporate Office Properties Trust (COPT) (NYSE: OFC) announced today that its President and Chief Executive Officer, Randall M. Griffin, will present at Citigroup's 2007 Global Property CEO Conference. The presentation will be held on March 7, 2007 from 9:50 - 10:25 a.m. EST at The Ritz Carlton Naples in Naples, Florida.

Mr. Griffin will provide an overview of the Company and participate in a question and answer session.

 
               Conference Call: 
 
               Date:              Wednesday, March 7, 2007 
 
               Time:              9:50 a.m. EST 
 
               Telephone Number:  913-312-1277 
 
               Passcode:          Corporate 

Please dial into the conference 5 to 10 minutes before the start of the call. A replay of this call will be available beginning Wednesday, March 7, 2007 at 2:00 p.m. EST and will be available for one month. To access the replay, please call 888-203-1112 and use confirmation code 2513476.

Company Information

Corporate Office Properties Trust (COPT) is a fully integrated, self-managed real estate investment trust (REIT) that focuses on the ownership, management, leasing, acquisition and development of suburban office properties located primarily in submarkets within the Greater Washington, DC region. As of December 31, 2006, the Company owned 188 office properties totaling 15.9 million rentable square feet, which included 18 properties totaling 805,000 square feet held through joint ventures. The Company has implemented a core customer expansion strategy that is built around meeting, through acquisitions and development, the multi-location requirements of the Company's existing strategic tenants. The Company's property management services team provides comprehensive property and asset management to company owned properties and select third party clients. The Company's development and construction services team provides a wide range of development and construction management services for company owned properties, as well as land planning, design/build services, consulting, and merchant development to select third party clients. The Company's shares are traded on the New York Stock Exchange under the symbol OFC. More information on Corporate Office Properties Trust can be found on the Internet at www.copt.com.

Forward-Looking Information