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EXHIBIT 32.1

CORPORATE OFFICE PROPERTIES TRUST

CERTIFICATIONS REQUIRED BY
RULE 13a-14(b) UNDER THE SECURITIES EXCHANGE ACT OF 1934

        In connection with the Annual Report on Form 10-K of Corporate Office Properties Trust (the "Company") for the year ended December 31, 2010, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Randall M. Griffin, Chief Executive Officer of the Company, certify that to my knowledge:

/s/ RANDALL M. GRIFFIN

Randall M. Griffin
Chief Executive Officer
   

Date: February 11, 2011

 

 



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CORPORATE OFFICE PROPERTIES TRUST CERTIFICATIONS REQUIRED BY RULE 13a-14(b) UNDER THE SECURITIES EXCHANGE ACT OF 1934