X0306 4 2017-11-07 0 0001487101 KEYW HOLDING CORP KEYW 0001706630 Luci Philip 7740 MILESTONE PARKWAY, SUITE 150 HANOVER MD 21076 0 1 0 0 General Counsel/Secretary Common stock, par value $0.001 2017-11-07 4 P 0 9900 5.0492 A 58327 D The price recorded in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.045 to $5.05, inclusive. The reporting person undertakes to provide to The KeyW Holding Corporation, any security holder of The KeyW Holding Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote to this Form 4. Includes 880 shares and 877 shares acquired under The KeyW Holding Corporation Employee Stock Purchase Plan on June 30, 2017 and September 29, 2017. /s/ Sarah E. Roberts as Attorney-in-Fact for Philip Luci 2017-11-07