X0202 4 2008-03-31 0 0000866121 ALLIANT TECHSYSTEMS INC ATK 0001186662 MELE MARK L ALLIANT TECHSYSTEMS INC. 5050 LINCOLN DRIVE EDINA MN 55436-1097 0 1 0 0 Sr VP Corporate Strategy Common Stock 2008-03-31 4 A 0 3500 0 A 22940 D Common Stock 2008-03-31 4 F 0 1153 103.53 D 21787 D Common Stock 1974.58 I By 401(k) Plan Shares acquired represent payment of a Performance Share Award under the 2005 Stock Incentive Plan, and shares disposed represent shares withheld to pay withholding taxes. Based on a plan statement dated December 31, 2007. /s/Mark L. Mele 2008-03-31