X0202 4/A 2006-12-19 2006-12-20 0 0000357173 OLD SECOND BANCORP INC OSBC 0001296986 Finn Barry 37 S. RIVER ST. AURORA IL 60506 1 0 0 0 Employee Stock Option (Right to Buy 29.20 2007-12-19 2016-12-19 Common Stock 1500 1500 D The reporting person's Form 4 reporting these options incorrectly reported that such options were immediately exercisable. The options become exercisable in three equal installments on the first three anniversaries of the date of grant, December 19, 2006. /s/ Barry Finn 2007-02-05