STEPAN CO — Director's Dealing 2006

Feb 24, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STEPAN CO (SCL)
CIK: 0000094049
Period of Report: 2006-02-22

Reporting Person: PACHOLEC FRANK (Vice President, R&D)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-02-22	Common Stock	P	100	$26.65	Acquired	9550	Direct
2006-02-22	Common Stock	P	200	$26.81	Acquired	9750	Direct
2006-02-22	Common Stock	P	300	$26.82	Acquired	10050	Direct
2006-02-22	Common Stock	P	400	$26.66	Acquired	10450	Direct
2006-02-23	Common Stock	P	100	$26.89	Acquired	10550	Direct
2006-02-23	Common Stock	P	200	$26.69	Acquired	10750	Direct
2006-02-23	Common Stock	P	300	$26.70	Acquired	11050	Direct
2006-02-23	Common Stock	P	400	$26.90	Acquired	11450	Direct