X0306 4 2013-02-06 0 0001487101 KEYW HOLDING CORP KEYW 0001435520 Krobath John Erwin II 7740 MILESTONE PARKWAY SUITE 400 HANOVER MD 21076 0 1 0 0 CFO/Treasurer Performance-based non-qualified stock options 7.41 2013-02-06 4 A 0 22500 0 A 2013-02-08 2022-02-07 Common stock, par value $0.001 22500 22500 D On February 8, 2012, the reporting person was granted an option to purchase 22,500 shares of common stock. The option vests 50 percent on the first anniversary of the grant date, 25 percent on the second anniversary and 25 percent on the third anniversary based on KEYW's satisfaction of certain performance criteria for the fiscal year ended December 31, 2012. The performance criteria has been met, resulting in vesting of the option as per above. /s/ Sarah E. Roberts as Attorney-in-Fact for John E. Krobath 2013-02-06