X0303 4 2010-02-23 0001364885 Spirit AeroSystems Holdings, Inc. SPR 0001379989 Buchanan Richard R C/O SPIRIT AEROSYSTEMS HOLDINGS, INC. 3801 SOUTH OLIVER WICHITA KS 67210 0 1 0 0 SVP & COO Class A Common Stock 2010-02-23 4 S 0 2812 18.15 D 41070 D The price reported reflects a weighted average price. This transaction was executed in multiple trades at prices ranging from $18.06 to $18.30. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. /s/ Jonathan A. Greenberg, as attorney-in-fact for Richard R. Buchanan 2010-02-25