STEPAN CO — Director's Dealing 2025

May 5, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STEPAN CO (SCL)
CIK: 0000094049
Period of Report: 2025-05-01

Reporting Person: Haire Robert Joseph (EVP, Supply Chain)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-01	Common Stock	M	550	$51.855	Acquired	1303	Direct
2025-05-01	Common Stock	F	162	$51.855	Disposed	1141	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-05-01	Restricted Stock Units	$	M	550	Disposed	2027-03-04	Restricted Stock Units (550)	Direct

Footnotes

F1: The restricted stock units ("RSUs") were settled in shares of common stock per the terms of the award.

F2: Withholding of shares to satisfy tax liability on the vesting of RSUs.

F3: Each RSU represents a contingent right to receive one share of Stepan Company common stock.

F4: Vest ratably over three years beginning on the date shown.