POWER OF ATTORNEY
Know all by these presents that the undersigned hereby constitutes
and appoints each of Matthew Barron, Erin Raccah, St. John Daugherty,
and Tina Bailey as the undersigned's true and lawful
attorneys-in-fact to:
(1)	execute and deliver for and on behalf of the undersigned,
in the undersigned's capacity as a reporting person pursuant to
Section 16 of the Securities Exchange Act of 1934, as amended
(the "Exchange Act"), and the rules thereunder, of Sylvamo Corporation
(the "Company"), (i) Forms 3, 4 and 5 in accordance with Section 16(a)
of the Exchange Act (a "Section 16 Form") (or any other forms,
amendments or documents
described in or relating to the rules promulgated under Section 16
of the Exchange Act) and (ii) a Form ID and any other forms required
to be filed or submitted in accordance with Regulation S-T
promulgated by the United States Securities and Exchnage Commission
(or any successor provision) in order to file a Section 16 Form
electronically;(2) do and perform any and all acts for and on
behalf of the undersigned which may be necessary or desirable to
complete and execute any such Form 3, 4 or 5 and timely file such
form with the United States Securities and Exchange Commission and s
tock exchange or similar authority, electronically or otherwise; and
(3)	take any other action of any type whatsoever in connection
with the foregoing which, in the opinion of any 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 any
of 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 any of such attorneys-in-fact may approve in the discretion
of any of such attorneys-in-fact.
The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any 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 any of
such attorneys-in-fact, or the substitute or substitutes of any
of such attorneys-in-fact, 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 of the Exchange 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 Company.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 12 day of May, 2023.

Signature:	Tatiana Campos Kalman Hirschfeld
Name:	Tatiana Campos Kalman Hirschfeld