X0303 5/A 2008-12-31 2009-02-17 0 0 0000719220 S&T BANCORP INC STBA 0001157922 KRIEGER DAVID 800 PHILADELPHIA STREET INDIANA PA 15701 1 Common Stock 2008-12-31 5 J 0 61 35.50 A 3571 I 401k Common Stock 5327 D Stock Options (Right to Buy) 29.965 2005-01-01 2013-12-15 Common Stock 5000 5000 D Stock Options (Right to Buy) 37.08 2006-01-01 2014-12-20 Common Stock 11000 11000 D Stock Options (Right to Buy) 37.855 2007-01-01 2015-12-19 Common Stock 11000 11000 D Filing amended to correct Transaction Code - not a Form 4 transaction. These shares represent the annual increase in shares held in a 401-K plan. 25% vesting on 01/01/07, 25% vesting on 01/01/08, 25% vesting on 01/01/09 and 25% vesting on 01/01/10 /s/ Timothy P. McKee POA for David Krieger 2009-02-19