POWER OF ATTORNEY

	KNOW ALL MEN BY THESE PRESENTS, that the undersigned
hereby constitutes and appoints each of Brian William Bichkoff,
Michael Takien Chin and Stephanie Jane Pacitti, signing singly,
as the undersigned?s true and lawful authorized representatives
and attorneys-in-fact to:

(1)	execute for and on behalf of the undersigned, in the
undersigned?s capacity as a director of Stepan Company
(?the Company?), Forms 3, 4 and 5, and any and all amendments
thereto, in accordance with Section 16 of the Securities
Exchange Act of 1934, as amended (the ?1934 Act?), and the
rules and regulations promulgated thereunder;

(2)	do and perform any and all acts for and on behalf of
the undersigned which may be necessary or desirable to complete
the execution of any such form or schedule and the timely
filing of such form or schedule with the United States Securities
and Exchange Commission and any stock exchange or stock market
or other authority; and

(3)	take any other action of any type whatsoever in
connection with the foregoing which, in the opinion of such
attorneys-in-fact, may be of benefit to, in the best interest of,
or legally required by, the undersigned, it being understood that
the documents executed by such attorneys-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such
form and shall contain such terms and conditions as such
attorneys-in-fact may approve in such attorneys-in-fact?s discretion.

	The undersigned hereby grants to each such attorney-in-fact
full power and authority to do and perform all and every act and
thing whatsoever requisite, necessary or proper to be done in the
exercise of any of the rights and powers herein granted, as fully to
all intents and purposes as the undersigned might or could do if
personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorneys-in-fact, or
such attorneys-in-fact?s substitute or substitutes, shall lawfully
do or cause to be done by virtue of this power of attorney and the
rights and powers herein granted.  The undersigned acknowledges that
the foregoing attorneys-in-fact, in serving in such capacity at the
request of the undersigned, are not assuming, nor is the Company
assuming any of the undersigned?s responsibilities to comply with
Section 16 or any other provision of the 1934 Act.

	This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4 and 5
with respect to the undersigned?s holdings of and transactions in
securities issued by the Company, unless earlier revoked by the
undersigned in a signed writing delivered to the foregoing
attorneys-in-fact.

	IN WITNESS WHEREOF, the undersigned has caused this Power
of Attorney to be executed as of this 23rd of December, 2018.


/s/ Randall S. Dearth
Randall S. Dearth