X0306 4 2020-02-24 0000094049 STEPAN CO SCL 0001780101 Keiper Jason Scott 22 WEST FRONTAGE ROAD NORTHFIELD IL 60093 1 VP & Chief Tech & Sust Officer Common Stock 2020-02-24 4 A 0 47.24 98.37 A 47.24 I By ESOP II Trust /s/ Stephanie J. Pacitti, Attorney-in-Fact for Jason Scott Keiper 2020-02-26