X0304 4 2011-10-03 0 0001487101 KEYW HOLDING CORP KEYW 0001212913 HANNON JOHN G 1334 ASHTON ROAD HANOVER MD 21076 1 0 0 0 Common stock, par value $0.001 2011-10-03 4 P 0 71530 6.9687 A 71530 D Common stock, par value $0.001 28380 I By Daughter Warrants to purchase common stock 5.5 2009-05-31 2016-05-05 Common stock 12000 12000 I By Daughter The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose. /s/ Sarah E. Roberts as Attorney-in-Fact for John G. Hannon 2011-10-04