CONSENT OF INDEPENDENT REGISTERED PUBIC ACCOUNTING FIRM
We consent to the incorporation
by reference in Registration Statement Nos. 33-57189, 333-39938 and 333-133588 on Form S-8 of our reports dated February 28, 2011, relating to the consolidated financial statements of Stepan Company and subsidiaries (the Company),
and the effectiveness of the Companys internal control over financial reporting, appearing in this Annual Report on Form 10-K of Stepan Company for the year ended December 31, 2010.
/s/ Deloitte & Touche LLP
|DELOITTE & TOUCHE LLP|
February 28, 2011