S&T BANCORP INC — Director's Dealing 2015

May 22, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: S&T BANCORP INC (STBA)
CIK: 0000719220
Period of Report: 2015-05-20

Reporting Person: TORETTI CHRISTINE J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-05-20	Common Stock	A	1117	$26.86	Acquired	13582.73	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	8643	Direct
Common Stock	197.831	Indirect
Common Stock	192.636	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Options (Right to Buy)	$37.855	2015-12-19	Common Stock (2500)	2500	Direct

Footnotes

F1: The Registrant's Board of Directors awarded 1117 restricted shares of the Registrant's common stock to each non-employee director on the Board on May 20, 2015 (the "Grant Date"), with such shares vesting in full on May 19, 2016. The fair market value of the common stock was the ending share price of $26.86 per share on the Grant Date.