S&T BANCORP INC — Director's Dealing 2011

Feb 2, 2011

SEC Form 5 — Annual Statement of Changes in Beneficial Ownership

Issuer: S&T BANCORP INC (STBA)
CIK: 0000719220
Period of Report: 2010-12-31

Reporting Person: BRICE TODD D (PRESIDENT, CEO & DIRECTOR)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-12-31	Common Stock	G	690	$22.59	Disposed	51034	Direct
2010-12-31	Common Stock	G	690	$22.59	Acquired	690	Indirect
2010-12-31	Common Stock	J	132	$22.59	Acquired	4247	Indirect
2010-12-31	Common Stock	J	96	$22.59	Acquired	96	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	4776	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Options (Right to Buy)	$24.40	2011-12-17	Common Stock (10000)	10000	Direct
Stock Options (Right to Buy)	$29.965	2013-12-15	Common Stock (10000)	10000	Direct
Stock Options (Right to Buy)	$37.08	2014-12-20	Common Stock (12500)	12500	Direct
Stock Options (Right to Buy)	$37.855	2015-12-19	Common Stock (12500)	12500	Direct

Footnotes

F1: These shares represent the YTD increase in shares held in a 401K plan.

F2: Gifted to wife in 2010.

F3: Incorrectly reported as a transfer between funds in an IRA.