<SEC-DOCUMENT>0001144204-17-038700-index.html : 20170727
<SEC-HEADER>0001144204-17-038700.hdr.sgml : 20170727
<ACCEPTANCE-DATETIME>20170727160154
ACCESSION NUMBER:		0001144204-17-038700
CONFORMED SUBMISSION TYPE:	425
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20170727
DATE AS OF CHANGE:		20170727

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MAINSOURCE FINANCIAL GROUP
		CENTRAL INDEX KEY:			0000720002
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				351562245
		STATE OF INCORPORATION:			IN
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		425
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12422
		FILM NUMBER:		17986227

	BUSINESS ADDRESS:	
		STREET 1:		201 N BROADWAY
		STREET 2:		PO BOX 87
		CITY:			GREENSBURG
		STATE:			IN
		ZIP:			47240
		BUSINESS PHONE:		8126630157

	MAIL ADDRESS:	
		STREET 1:		201 NORTH BROADWAY
		STREET 2:		P O BOX 87
		CITY:			GREENSBURG
		STATE:			IN
		ZIP:			47240

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INDIANA UNITED BANCORP
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIRST FINANCIAL BANCORP /OH/
		CENTRAL INDEX KEY:			0000708955
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				311042001
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		425

	BUSINESS ADDRESS:	
		STREET 1:		255 EAST FIFTH STREET
		STREET 2:		SUITE 800
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45202
		BUSINESS PHONE:		8773229530

	MAIL ADDRESS:	
		STREET 1:		255 EAST FIFTH STREET
		STREET 2:		SUITE 800
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45202
</SEC-HEADER>
<DOCUMENT>
<TYPE>425
<SEQUENCE>1
<FILENAME>v471487_8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
Document 1 - file: v471487_8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-2.1
<SEQUENCE>2
<FILENAME>v471487_ex2-1.htm
<DESCRIPTION>EXHIBIT 2.1
<TEXT>
Document 2 - file: v471487_ex2-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>3
<FILENAME>v471487_ex10-1.htm
<DESCRIPTION>EXHIBIT 10.1
<TEXT>
Document 3 - file: v471487_ex10-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.2
<SEQUENCE>4
<FILENAME>v471487_ex10-2.htm
<DESCRIPTION>EXHIBIT 10.2
<TEXT>
Document 4 - file: v471487_ex10-2.htm

</DOCUMENT>
</SEC-DOCUMENT>