S&T BANCORP INC — Director's Dealing 2010

Feb 12, 2010

SEC Form 5 — Annual Statement of Changes in Beneficial Ownership

Issuer: S&T BANCORP INC (STBA)
CIK: 0000719220
Period of Report: 2009-12-31

Reporting Person: KOCHVAR MARK (EXEC VICE PRESIDENT/ TREASURER)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-12-31	Common Stock	J	2002	$17.01	Acquired	13782	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2924	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Options (Right to Buy)	$19.8125	2010-12-18	Common Stock (10000)	10000	Direct
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 (6500)	6500	Direct
Stock Options (Right to Buy)	$37.08	2014-12-20	Common Stock (6500)	6500	Direct
Stock Options (Right to Buy)	$37.855	2015-12-19	Common Stock (6500)	6500	Direct

Footnotes

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