0001206774-03-000351 DEF 14A 3 20030528 20030424 20030424 SEI CORP 0000350894 6211 231707341 PA 1231 DEF 14A 34 000-10200 03662924 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100 6106761000 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100 DEF 14A 1 d12543.htm GRAPHIC 3 g12543x22x1.jpg GRAPHIC GRAPHIC 4 g12543x36x1.jpg GRAPHIC