X0306 4 2021-03-15 0000094049 STEPAN CO SCL 0001738439 Rojo Luis 22 WEST FRONTAGE ROAD NORTHFIELD IL 60093 1 VP & Chief Financial Officer Common Stock 2021-03-15 4 M 0 1100 70.86 A 5307 D Common Stock 2021-03-15 4 D 0 601 129.87 D 4706 D Common Stock 2021-03-15 4 F 0 146 129.87 D 4207 D Common Stock 2021-03-16 4 S 0 350 128.04 D 3857 D Common Stock 231.431 I By Esop II Trust Share Units 2021-03-15 4 A 0 5.24 128.49 A Common Stock 5.24 2212.85 D Stock Appreciation Right 70.86 2021-03-15 4 M 0 1100 0 D 2019-05-02 2028-05-01 Common Stock 1100 9221 D The Stock Appreciation Rights ("SARS") were settled in shares of common stock as per the terms of the award. Deemed disposition of underlying common stock to the issuer in an amount equal to the conversion price of the SARs. Withholding of shares to satisfy tax liability on exercise of SARs. Reflects ESOP II acquisitions that have occurred since the Reporting Person's last ownership report covering ESOP II holdings. Share units are acquired under the Management Incentive Plan (As Amended and Restated Effective January 1, 2015) ("MIP"), a nonqualified deferred compensation plan which allows MIP participants to elect to defer all or a portion of their deferred compensation into accounts pursuant to MIP provisions. Share units convert on a one-for-one basis into Common Stock. Reflects acquisition of Share Units pursuant to a dividend equivalent feature of the MIP, generally payable at end of employment, unless otherwise elected. Price reported is the price of Common Stock on the date the dividend equivalents are payable pursuant to a dividend feature of the MIP. /s/ Stephanie J. Pacitti, Attorney-in-Fact for Luis Rojo 2021-03-17