<SEC-DOCUMENT>0001104659-16-161653-index.html : 20161212
<SEC-HEADER>0001104659-16-161653.hdr.sgml : 20161212
<ACCEPTANCE-DATETIME>20161212141343
ACCESSION NUMBER:		0001104659-16-161653
CONFORMED SUBMISSION TYPE:	FWP
PUBLIC DOCUMENT COUNT:		39
FILED AS OF DATE:		20161212
DATE AS OF CHANGE:		20161212

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OLD SECOND BANCORP INC
		CENTRAL INDEX KEY:			0000357173
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				363143493
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1215

	FILING VALUES:
		FORM TYPE:		FWP
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	333-214459
		FILM NUMBER:		162046052

	BUSINESS ADDRESS:	
		STREET 1:		37 S RIVER ST
		CITY:			AURORA
		STATE:			IL
		ZIP:			60507
		BUSINESS PHONE:		7088920202

	MAIL ADDRESS:	
		STREET 1:		37 SOUTH RIVER STREET
		CITY:			AURORA
		STATE:			IL
		ZIP:			60507

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OLD SECOND BANCORP INC
		CENTRAL INDEX KEY:			0000357173
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				363143493
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1215

	FILING VALUES:
		FORM TYPE:		FWP

	BUSINESS ADDRESS:	
		STREET 1:		37 S RIVER ST
		CITY:			AURORA
		STATE:			IL
		ZIP:			60507
		BUSINESS PHONE:		7088920202

	MAIL ADDRESS:	
		STREET 1:		37 SOUTH RIVER STREET
		CITY:			AURORA
		STATE:			IL
		ZIP:			60507
</SEC-HEADER>
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Document 4 - file: g210364bgi003.gif

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Document 5 - file: g210364bgi004.gif

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Document 9 - file: g210364bgi008.gif

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Document 10 - file: g210364bgi009.gif

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Document 11 - file: g210364bgi010.gif

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Document 12 - file: g210364bgi011.gif

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Document 13 - file: g210364bgi012.gif

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Document 14 - file: g210364bgi013.gif

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Document 15 - file: g210364bgi014.gif

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Document 16 - file: g210364bgi015.gif

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Document 17 - file: g210364bgi016.gif

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Document 18 - file: g210364bgi017.gif

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Document 25 - file: g210364bgi024.gif

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Document 26 - file: g210364bgi025.gif

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Document 29 - file: g210364bgi028.gif

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Document 30 - file: g210364bgi029.gif

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Document 31 - file: g210364bgi030.gif

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Document 32 - file: g210364bgi031.gif

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Document 33 - file: g210364bgi032.gif

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Document 36 - file: g210364bgi035.gif

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Document 37 - file: g210364bgi036.gif

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Document 38 - file: g210364bgi037.gif

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Document 39 - file: g210364bgi038.gif

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