0000950131-99-006454 10-Q/A 2 19990930 19991123 STEPAN CO 0000094049 2840 361823834 DE 1231 10-Q/A 34 001-04462 99762699 EDENS & WINNETKA RDS NORTHFIELD IL 60093 8474467500 EDENS & WINNETKA ROAD NORTHFIELD IL 60093 STEPAN CHEMICAL CO /DE/ 19840108 10-Q/A 1 000095013199006454-001-seq1-10-q-a.txt FORM 10-Q/A EX-27 2 000095013199006454-002-seq2-ex-27.txt FINANCIAL DATA SCHEDULE