<SEC-DOCUMENT>0001193125-15-121164-index.html : 20150407
<SEC-HEADER>0001193125-15-121164.hdr.sgml : 20150407
<ACCEPTANCE-DATETIME>20150407135504
ACCESSION NUMBER:		0001193125-15-121164
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		9
FILED AS OF DATE:		20150407
DATE AS OF CHANGE:		20150407
EFFECTIVENESS DATE:		20150407

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			S&T BANCORP INC
		CENTRAL INDEX KEY:			0000719220
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				251434426
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12508
		FILM NUMBER:		15755911

	BUSINESS ADDRESS:	
		STREET 1:		800 PHILADELPHIA STREET
		STREET 2:		PO BOX 190
		CITY:			INDIANA
		STATE:			PA
		ZIP:			15701
		BUSINESS PHONE:		724-427-2347

	MAIL ADDRESS:	
		STREET 1:		800 PHILADELPHIA STREET
		STREET 2:		PO BOX 190
		CITY:			INDIANA
		STATE:			PA
		ZIP:			15701
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d855820ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d855820ddefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g855820img11.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g855820img11.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g855820img12.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g855820img12.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g855820img13.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g855820img13.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g855820img14.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g855820img14.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g855820x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g855820x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g855820x2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g855820x2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g855820x3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g855820x3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g855820x4.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g855820x4.jpg

</DOCUMENT>
</SEC-DOCUMENT>