X0202 4 2004-12-02 0 0000866121 ALLIANT TECHSYSTEMS INC ATK 0001186665 PICEK JOHN S ALLIANT TECHSYSTEMS 5050 LINCOLN DRIVE EDINA MN 55436-1097 0 1 0 0 VP and Controller Common Stock 2004-12-02 4 M 0 6750 13.67 A 8563 D Common Stock 2004-12-02 4 S 0 350 67.15 D 8213 D Common Stock 2004-12-02 4 S 0 600 67.14 D 7613 D Common Stock 2004-12-02 4 S 0 200 67.08 D 7413 D Common Stock 2004-12-02 4 S 0 200 67.02 D 7213 D Common Stock 2004-12-02 4 S 0 100 67.01 D 7113 D Common Stock 2004-12-02 4 S 0 1900 67 D 5213 D Common Stock 2004-12-02 4 S 0 900 66.99 D 4313 D Common Stock 2004-12-02 4 S 0 100 66.98 D 4213 D Common Stock 2004-12-02 4 S 0 800 66.97 D 3413 D Common Stock 2004-12-02 4 S 0 200 66.96 D 3213 D Common Stock 2004-12-02 4 S 0 1300 66.95 D 1913 D Common Stock 2004-12-02 4 S 0 100 66.94 D 1813 D Common Stock 2498 I By 401(k) Employee Stock Options (right to buy) 13.67 2004-12-02 4 M 0 6750 0 D 2006-05-21 Common Stock 6750 0 D The amount reported includes 530 shares held in the Issuer's Employee Stock Purchase Plan as of September 30, 2004. Options became exercisable in three equal annual installments beginning 05-21-1997. /s/John S. Picek 2004-12-02