STEPAN CO — Director's Dealing 2010

May 13, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STEPAN CO (SCL)
CIK: 0000094049
Period of Report: 2010-05-11

Reporting Person: VENEGONI JOHN V (VP/GM Surfactants)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-11	Common Stock	S	100	$75.36	Disposed	24185.1432	Direct
2010-05-11	Common Stock	S	800	$75.41	Disposed	23385.1432	Direct
2010-05-11	Common Stock	S	100	$75.62	Disposed	23285.1432	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1000	Indirect