0000950131-99-003146 10-Q 3 19990331 19990514 STEPAN CO 0000094049 2840 361823834 DE 1231 10-Q 34 001-04462 99624188 EDENS & WINNETKA RDS NORTHFIELD IL 60093 7084467500 EDENS & WINNETKA ROAD NORTHFIELD IL 60093 STEPAN CHEMICAL CO /DE/ 19840108 10-Q 1 000095013199003146-001-seq1-10-q.txt FORM 10-Q EX-4.0.1 2 000095013199003146-002-seq2-ex-4-0-1.txt AMENDMENT NO. 1 TO REVOLVING CREDIT AGREEMENT EX-27 3 000095013199003146-003-seq3-ex-27.txt FDS