STEPAN CO — Director's Dealing 2006

Apr 6, 2006

SEC Form 4/A — Form 4/A

Issuer: STEPAN CO (SCL)
CIK: 0000094049
Period of Report: 2006-03-29

Reporting Person: CADIEUX ROBERT D (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-03-29	Common Stock	M	492	$19.75	Acquired	5680	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2006-03-29	Stock Option	$19.75	M	1620	Disposed	2006-05-06	Common Stock (1620)	Direct

Footnotes

F1: Due to mathematical error, change in net amount from stock option exercise pursuant to stock pyramiding exempt pursuant to Rule 16(b) 3(f) (2) Release No. 34-28869.