OLD SECOND BANCORP INC — Director's Dealing 2012

Oct 1, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OLD SECOND BANCORP INC (OSBC)
CIK: 0000357173
Period of Report: 2012-09-30

Reporting Person: CHEATHAM J DOUGLAS (Director, CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-09-30	Old Second Bancorp Inc. Common Stock	A	1794	—	Acquired	31078	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Old Second Bancorp Inc. Common Stock	4192	Indirect
Old Second Bancorp Inc. Common Stock	67922	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Options	$27.75	2017-12-18	Common Stock (15000)	15000	Direct
Employee StockOptions	$29.20	2016-12-19	common stock (12000)	12000	Direct
Employee Stock Options	$31.34	2015-12-21	common stock (12000)	12000	Direct
Employee Stock Option	$32.59	2014-12-21	common stock (12000)	12000	Direct
Employee Stock Options	$25.08	2013-12-16	common stock (12000)	12000	Direct
Employee Stock Options	$18.81	2012-12-17	common stock (12000)	12000	Direct

Footnotes

F1: Of this total, 1,794 shares were allocated during the third quarter pursuant to the old Second Bancorp Inc. Salary Savings Plan. Information provided herein is based on information provided by the Plan Trustee as of 9-30-12.

F2: Shares are restated for a 2 for 1 stock split effected in the form of a stock dividend payable 7-28-04.