    <SEC-DOCUMENT>0000719220-18-000037-index.html : 20180508
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    <ACCEPTANCE-DATETIME>20180508072108
    ACCESSION NUMBER:		0000719220-18-000037
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		39
    CONFORMED PERIOD OF REPORT:	20180508
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20180508
    DATE AS OF CHANGE:		20180508

    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:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-12508
    		FILM NUMBER:		18812943

    	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>
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    <DESCRIPTION>EXHIBIT 99.1
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