<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>doc1.txt
<DESCRIPTION>POWER OF ATTORNEY (PUBLIC): POA LUIS ROJO
<TEXT>
POWER OF ATTORNEY

	KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby
constitutes and appoints each of Jennifer Ansbro Hale, Matthew Michael
Rice 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 an executive officer 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 day of April, 2018.


Luis Rojo
</TEXT>
</DOCUMENT>
