X0306 4 2018-05-25 0 0001069258 KRATOS DEFENSE & SECURITY SOLUTIONS, INC. KTOS 0001082440 DEMARCO ERIC M 4820 EASTGATE MALL SAN DIEGO CA 92121 1 1 0 0 President & CEO Common Stock 2018-05-25 4 P 0 2257 11.074 A 466379 D Common Stock 2018-05-25 4 P 0 2257 11.074 A 8936 I by spouse Common Stock 80000 I by trust Open market purchase of Issuer's common stock made in accordance with Issuer's trading policies. Includes 32,080 shares purchased through Issuer's Employee Stock Purchase Plan and approximately 15,711 shares held in Issuer's 401(k) Plan. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $11.072 to $11.12 inclusive. The Reporting Person undertakes to provide to Issuer, any security holder of Issuer, 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. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $11.072 to $11.11 inclusive. The Reporting Person undertakes to provide to Issuer, any security holder of Issuer, 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. Eric M. DeMarco, by Eva Yee, Attorney-In-Fact 2018-05-30