<SEC-DOCUMENT>0001626129-17-000574-index.html : 20171019
<SEC-HEADER>0001626129-17-000574.hdr.sgml : 20171019
<ACCEPTANCE-DATETIME>20171019163354
ACCESSION NUMBER:		0001626129-17-000574
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20171019
DATE AS OF CHANGE:		20171019

FILER:

	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:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-220583
		FILM NUMBER:		171145033

	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>424B3
<SEQUENCE>1
<FILENAME>bs62710x5_424b3.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: bs62710x5_424b3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>logo_firstfinancial.jpg
<TEXT>
Document 2 - file: logo_firstfinancial.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>logo_mainsource.jpg
<TEXT>
Document 3 - file: logo_mainsource.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>sig_abrown.jpg
<TEXT>
Document 4 - file: sig_abrown.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>sig_cdavis.jpg
<TEXT>
Document 5 - file: sig_cdavis.jpg

</DOCUMENT>
</SEC-DOCUMENT>