STEPAN CO — Director's Dealing 2025

May 14, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STEPAN CO (SCL)
CIK: 0000094049
Period of Report: 2025-05-12

Reporting Person: STEPAN F QUINN JR (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-12	Common Stock	A	2500	$54.262	Acquired	105445.738	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	174923	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Share Units	$		Common Stock (63404.923)	63404.923	Direct

Footnotes

F1: Joint Tenancy with Spouse.

F2: 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.

F3: Share Units convert on a one-for-one basis into Common Stock.

F4: Share Units are generally payable at end of employment, unless otherwise elected.