S&T BANCORP INC — Director's Dealing 2013

May 22, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: S&T BANCORP INC (STBA)
CIK: 0000719220
Period of Report: 2013-05-20

Reporting Person: DELANEY JOHN J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-20	Common Stock	A	1400	$19.29	Acquired	39796.26	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	28039.896	Indirect
Common Stock	0	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Options (Right to Buy)	$29.965	2013-12-15	Common Stock (2500)	2500	Direct
Stock Options (Right to Buy)	$37.08	2014-12-20	Common Stock (2500)	2500	Direct
Stock Options (Right to Buy)	$37.855	2015-12-19	Common Stock (2500)	2500	Direct

Footnotes

F1: The Registrant's Board of Directors awarded 1,400 restricted shares of the Registrant's common stock to each non-employee director on the Board on May 20, 2013 (the "Grant Date"), with such shares vesting in full on May 19, 2014. The fair market value of the common stock was the ending share price of $19.29 per share on the Grant Date.