STEPAN CO — Director's Dealing 2010

Nov 1, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STEPAN CO (SCL)
CIK: 0000094049
Period of Report: 2010-10-28

Reporting Person: STEPAN F QUINN (Director, Chairman, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-10-28	Common Stock	M	2368	$24.94	Acquired	288349.183	Direct
2010-10-28	Common Stock	S	2368	$68	Disposed	285981.183	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-10-28	Employee Stock Option (Right to Buy)	$24.94	M	2368	Disposed	2014-02-09	Common Stock (2368)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	114691	Indirect
Common Stock	143063	Indirect
Common Stock	438846	Indirect
Common Stock	62519	Indirect
Common Stock	48774	Indirect