POWER OF ATTORNEY RELATING TO
STATEMENTS ON SCHEDULE 13D OR 13G
AND REPORTS UNDER SECTION 16

The undersigned hereby constitutes and appoints each of Brian J. Magstadt and
Cari Fisher, each acting individually, as the undersigned's true and lawful
agent and attorney-in-fact, each with full power and authority for and on
behalf of the undersigned to prepare or cause to be prepared, sign, file with
the Securities and Exchange Commission and furnish to any other person all
certificates, instruments, agreements and documents necessary to comply with
section 13(d) and section 16 of the Securities Exchange Act of 1934, as
amended (the "Act"),and the rules and regulations thereunder, in connection
with securities of Simpson Manufacturing Co., Inc. and to do and perform
every act proper and convenient to be done incident to the exercise of
foregoing power, as fully as the undersigned might or could do if personally
present, it being understood that any certificate, instrument, agreement
or document executed by any such attorney-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 attorney-in-fact may approve
in such person's discretion.

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 Simpson Manufacturing Co., Inc. assuming, any of the
undersigned's responsibilities to comply with section 13 or section 16
of the Act.

Date: January 28, 2020

By: /s/Terry Hammons
Terry Hammons