STEPAN CO — Director's Dealing 2010

Dec 20, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STEPAN CO (SCL)
CIK: 0000094049
Period of Report: 2010-12-17

Reporting Person: STEPAN F QUINN JR (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-12-17	Common Stock	M	24000	$23.675	Acquired	63744.7246	Direct
2010-12-17	Common Stock	F	16442	$76.70	Disposed	47302.7246	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-12-17	Employee Stock Option (Right to Buy)	$23.675	M	24000	Disposed	2012-02-10	Common Stock (24000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3749	Indirect
Common Stock	55712	Direct
Common Stock	37488	Indirect
Common Stock	16486	Indirect
Common Stock	21312	Indirect
Common Stock	30257	Indirect
Common Stock	1200	Indirect
Common Stock	370190	Indirect

Footnotes

F1: Transaction completed pursuant to a 10b5-1 trading plan.

F2: Joint Tenancy with Spouse.

F3: The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for the purposes of Section 16 or for any other purpose.