STEPAN CO

The Company’s executive officers are elected annually by the Board of Directors at the first meeting following the Annual Meeting of Stockholders to serve until their respective successors are duly qualified and elected.

The executive officers of the Company, their ages and certain other information as of February 26, 2026, are as follows:

Luis E. Rojo has served the Company as President and Chief Executive Officer since October 2024. From April 2018 to October 2024, Mr. Rojo served as the Company’s Vice President and Chief Financial Officer.

Sean T. Moriarty has served the Company as Vice President and General Manager – Surfactants since January 2021. From September 2017 through December 2020, he served as Vice President and General Manager – Polymers of the Company.

Richard F. Stepan has served the Company as Vice President and General Manager – Polymers since January 2021. From January 2019 through December 2020, Mr. Stepan served as Vice President, Consumer Products of the Company.

Robert J. Haire has served the Company as Executive Vice President, Supply Chain since May 2023. From January 2016 to May 2023, Mr. Haire served as Senior Vice President Operations, Performance Chemicals at Ingevity Corporation, a manufacturer of performance chemicals and materials.

Ruben D. Velasquez has served the Company as Vice President and Chief Financial Officer since July 2025. From September 2022 to July 2024, Mr. Velasquez served as Vice President Global Finance Transformation at 3M Company, a diversified manufacturing conglomerate. From July 2021 to September 2022, he served as Vice President Global Finance Manufacturing & Supply Chain Operations at 3M Company. From February 2006 to September 2022, he served as Vice President Global Finance Consumer Business at 3M Company.

Shawn G. Lisle has served the Company as Vice President, General Counsel and Secretary since August 2025. From April 2023 to August 2025, Mr. Lisle served as Deputy General Counsel for Uline, Inc., a distributor of shipping, industrial, packaging and material handling equipment. From October 2011 to January 2023, he served as Senior Vice President, General Counsel, Chief Compliance Officer and Assistant Secretary at Kaman Corporation, an OEM manufacturer, designer and supplier of highly engineered products for aerospace, defense, unmanned vehicles, medical devices and industrials.

Andrea J. Barry has served the Company as Vice President and Chief Human Resources Officer since September 2025. From January 2022 to May 2025, Mrs. Barry served as Chief Human Resources Officer and Chief Administrative Officer at Methode Electronics, Inc., a global supplier of custom-engineered solutions. From May 2017 to January 2022, she served as Executive Vice President and Chief Human Resources Officer at Methode Electronics, Inc.