0001193125-09-028521 S-3ASR 6 20090213 20090213 20090213 S&T BANCORP INC 0000719220 6022 251434426 PA 1231 S-3ASR 33 333-157297 09599370 800 PHILADELPHIA STREET PO BOX 190 INDIANA PA 15701 7244651466 800 PHILADELPHIA STREET PO BOX 190 INDIANA PA 15701 S-3ASR 1 ds3asr.htm FORM S-3ASR EX-5.1 2 dex51.htm OPINION OF ARNOLD & PORTER LLP EX-12.1 3 dex121.htm STATEMENT OF RATIO OF EARNINGS TO FIXED CHARGES EX-23.1 4 dex231.htm CONSENT OF KPMG LLP EX-23.2 5 dex232.htm CONSENT OF ERNST & YOUNG LLP EX-24.1 6 dex241.htm POWER OF ATTORNEY