X0306 4 2017-12-07 0 0001069258 KRATOS DEFENSE & SECURITY SOLUTIONS, INC. KTOS 0001014803 Jarvis Scot B C/O KRATOS DEFENSE & SECURITY SOLUTIONS 4820 EASTGATE MALL SAN DIEGO CA 92121 1 0 0 0 Common Stock 2017-12-07 4 P 0 10000 10.4965 A 95200 D Open market purchase of Issuer's common stock made in accordance with Issuer's trading policies. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $10.4892 to $10.50 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. Scot B. Jarvis, by Eva Yee, Attorney-In-Fact 2017-12-11