OLD SECOND BANCORP INC — Regulatory Filings 2012

Jan 25, 2012

*UNITED STATES*

*SECURITIES AND EXCHANGE COMMISSION*

*Washington, D.C. 20549*

*FORM 8-K*

*Current Report*

*Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934*

Date of Report (Date of earliest event reported): January 25, 2012

*Old Second Bancorp, Inc.*

(Exact name of registrant as specified in its charter)

Delaware	0-10537	36-3143493
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

*37 South River Street Aurora, Illinois 60507* (Address of principal executive offices) (Zip code)

*(630) 892-0202* (Registrant’s telephone number, including area code)

*N/A*

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions ( see General Instruction A.2. below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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*Item 2.02 Results of Operations and Financial Condition*

On January 25, 2012, Old Second Bancorp, Inc. issued a press release announcing its earnings for the fourth fiscal quarter ended December 31, 2011. The press release is attached as Exhibit 99.1.

*Item 9.01 Financial Statements and Exhibits*

(d) Exhibits

99.1 Press release dated January 25, 2012

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*SIGNATURES*

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

/s/ J. Douglas Cheatham
J. Douglas Cheatham
Executive Vice President
and Chief Financial Officer

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