X0202 4 2004-12-21 0 0000357173 OLD SECOND BANCORP INC OSBC 0001191048 MABERRY JESSE C/O AURORA BEARING CO. 970 S. LAKE ST. AURORA IL 60507 1 0 0 0 Old Second Bancorp Inc. Common Stock 35492 D Employee Stock Option (Right to Buy 32.59 2004-12-21 4 A 0 1500 32.59 A 2005-12-21 2014-12-21 Common Stock 1500 1500 D Old Second Bancorp Phantom Stock Common Stock 3242 D Included in this total is a 2 for 1 stock split effected in the form of a stock dividend and payable 7-28-04. The option becomes exercisable in 33-1/3% increments on December 21, 2005, December 21, 2006, and December 21, 2007 respectively. The option was approved at the Board of Directors' meeting held December 21, 2004. Does not apply. Included in this total is a 2 for 1 stock split effected in the form of a stock dividend and payable 7-28-04, and an adjustment of 5 shares when this plan was taken over by a new administrator. /s/ Jesse Maberry 2004-12-21