X0303 4 2011-05-06 0 0001487101 KEYW HOLDING CORP KEYW 0000860546 CORPORATE OFFICE PROPERTIES TRUST 6711 COLUMBIA GATEWAY DRIVE, SUITE 300 COLUMBIA MD 21046 0 0 1 0 Common Stock 2011-05-06 4 S 0 40000 11.193 D 2808184 I Corporate Office Properties, L.P. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 15, 2011. Corporate Office Properties Trust (COPT), a publicly held Maryland real estate investment trust, is the general partner of Corporate Office Properties, L.P. and has voting and dispositive power over these shares. COPT is managed by a ten member Board of Trustees. The members of COPT's Board of Trustees, including Mr. Randall M. Griffin, Chief Executive Officer and Trustee of COPT, disclaim beneficial ownership of these shares except to the extent of their respective pecuniary interests therein. Weighted average sale price. Sale prices ranged from 11.08-11.36. The reporting person hereby undertakes to supply the Staff, the Issuer, or a security holder of the Issuer with full information regarding the reported transactions Randall M. Griffin, Chief Executive Officer 2011-05-10