0000719220-09-000009 8-K 3 20090331 2.02 20090420 20090420 S&T BANCORP INC 0000719220 6022 251434426 PA 1231 8-K 34 000-12508 09758129 800 PHILADELPHIA STREET PO BOX 190 INDIANA PA 15701 7244651466 800 PHILADELPHIA STREET PO BOX 190 INDIANA PA 15701 8-K 1 st8k1q2009.htm FORM 8-K DATED APRIL 20, 2009 EX-99 2 press42009.htm PRESS RELEASE DATED APRIL 20, 2009 EX-99 3 stba1q09.htm QUARTERLY SPREADSHEET