X0101 5 2003-05-31 0 0 0 0000829499 INTERSTATE BAKERIES CORP/DE/ IBC 0001211321 WILLSON RICHARD D 0 1 0 0 Executive Vice President Common Stock 2002-06-01 5 J 0 .7284 27.4560 A 73.0549 D Common Stock 2002-07-01 5 J 0 1.0653 28.1604 A 74.1202 D Common Stock 2002-08-01 5 J 0 .7567 26.4308 A 75.0749 D Common Stock 2002-09-01 5 J 0 .4089 24.4546 A 75.4838 D Common Stock 2002-10-01 5 J 0 1.2044 24.9088 A 76.6882 D Common Stock 2002-11-01 5 J 0 .7939 25.1937 A 77.6963 D Common Stock 2002-12-01 5 J 0 1.2454 24.0894 A 78.9417 D Common Stock 2003-01-02 5 J 0 1.3279 15.0612 A 80.2696 D Common Stock 2003-02-01 5 J 0 1.3045 15.3317 A 81.9590 D Common Stock 2003-03-01 5 J 0 1.9423 10.2971 A 83.9013 D Common Stock 2003-04-01 5 J 0 2.0071 9.9647 A 85.9084 D Common Stock 2003-05-01 5 J 0 2.0229 9.8871 A 88.5170 D Employee Stock Option Right to Buy 27.72 2002-07-09 5 A 0 30000 0 A 2003-07-09 2012-07-09 Common Stock 30000 30000 D Shares received pursuant to employee payroll deductions under the 1991 Interstate Bakeries Corporation Employee Stock Purchase Plan Includes 1.3828 shares acquired pursuant to the dividend reinvestment feature of the 1991 Interstate Bakeries Corporation Employee Stock Purchase Plan Stock option granted under the 1996 Stock Incentive Plan Options vest in three equal annual installments with the first installment vesting on 07/09/2003 /s/ Richard D. Willson 2003-07-14