<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poa_cook.txt
<DESCRIPTION>2025 APRIL POA
<TEXT>
POWER OF ATTORNEY

The undersigned hereby makes, constitutes and appoints each of Greg Weitzel,
Mark W. Johnson, Brian Park, or any of them acting individually, and with
full power of substitution, the undersigned's true and lawful agents and
attorneys-in-fact (each hereinafter referred to as an "Attorney") to act
either together or alone in the name and on behalf of the undersigned for
and with respect to the matters hereinafter described.

Each Attorney shall have the power and authority to prepare, execute, deliver
and file Statements of Changes of Beneficial Ownership of Securities on Form 3,
Form 4 or Form 5 (or such other forms as may be designated from time-to-time by
the Securities and Exchange Commission (the "Commission") for such purpose) or
any amendments thereto required to be filed with the Commission under the
Securities Exchange Act of 1934 on behalf of the undersigned as a result of the
undersigned's transactions in or changes in beneficial ownership of, equity
securities (including derivative securities) of Mativ Holdings, Inc.

Each Attorney is hereby authorized to execute and deliver all documents,
acknowledgments, consents and other agreements and to take such further action
as may be necessary or convenient in order to more effectively carry out the
intent and purposes of the foregoing.

The Power of Attorney conferred hereby is not delegable by any Attorney. Each
Attorney shall serve without compensation for acting in the capacity of agent
and attorney-in-fact hereunder.

The undersigned hereby ratifies, confirms and adopts as the undersigned's own
act and deed all action lawfully taken by the Attorneys, or any of them,
pursuant to the power and authority herein granted.

Unless sooner revoked by the undersigned, this Power of Attorney shall be
governed by the laws of the State of Georgia, and the power and authority
granted herein shall remain in full force and effect until such time as the
undersigned is no longer subject to Section 16 or and required to file
Forms 3, 4 and 5.

IN WITNESS WHEREOF, the undersigned has set his or her hand as of the 16th day
of April, 2025.


/s/ William M. Cook
Signature
Name: William M. Cook

State of Georgia
County of Fulton

Signed and sworn before me, Honor Winks, Notary Public, on April 16, 2025,
by William M. Cook, personally known to me.

/s/ Honor Winks
Signature of Notary
Name:  Honor Winks
Notary Public State of Georgia
My commission expires: February 6, 2028


</TEXT>
</DOCUMENT>
