X0202 4 2005-05-03 0 0000866121 ALLIANT TECHSYSTEMS INC ATK 0001188448 PATINEAU PAULA J ALLIANT TECHSYSTEMS 5050 LINCOLN DRIVE EDINA MN 55436-1097 0 1 0 0 Sr VP HR & Admin Services Common Stock 2005-05-03 4 A 0 33 0 A 7226 D Common Stock 2005-05-03 4 F 0 33 68.85 D 7193 D Common Stock 2556.768 I By 401(k) Phantom Stock 2005-05-03 4 A 0 2217 0 A Common Stock 2217 6646 D Shares simultaneously acquired and disposed represent shares withheld to pay Medicare taxes in connection with the grant of a Performance Share Award (PSA) and the reporting person's deferral of the remaining performance shares under the Issuer's Nonqualified Deferred Compensation Plan (NQDCP) (reported in Table II of this Form). The amount reported includes 2,187 shares held in the Issuer's Employee Stock Purchase Plan as of March 31, 2005. The Phantom Stock Units were credited to the reporting person's account in the Issuer's Nonqualified Deferred Compensation Plan (NQDCP) in lieu of the grant by the Issuer of a Performance Share Award (PSA) under the Issuer's 1990 Equity Incentive Plan. The number of units credited to the reporting person's account was determined on a 1-for-1 basis equal to the number of shares of common stock that would have been granted for the PSA (2250), reduced by the number of units having a value equal to the Issuer's Medicare tax withholding obligation as a result of the deferral of the payment of the PSA. The units are to be settled 100% in cash following the reporting person's termination of employment or such other date specified by the reporting person. However, the reporting person may elect to transfer funds into other investment accounts within the NQDCP. NQDCP participants may transfer funds into alternative investment accounts during a 10-day window period each quarter. /s/ Paula J. Patineau 2005-05-04