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: KRIEGER DAVID (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-07-31	Common Stock	J	364	$13.71	Acquired	3935	Indirect
2009-07-31	Common Stock	J	3935	—	Disposed	0	Indirect
2009-07-31	Common Stock	J	3935	—	Acquired	10337	Direct
2009-12-31	Common Stock	J	41	$13.595	Acquired	10378	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Options (Right to Buy)	$29.965	2013-12-15	Common Stock (5000)	5000	Direct
Stock Options (Right to Buy)	$37.08	2014-12-20	Common Stock (11000)	11000	Direct
Stock Options (Right to Buy)	$37.855	2015-12-19	Common Stock (11000)	11000	Direct

Footnotes

F1: Increase due to reinvested dividends in a dividend reinvestment plan.

F2: These shares represent the YTD increase in shares held in a 401K plan.

F3: This transaction represent a transfer from a 401K plan to an IRA