EXHIBIT 24 - POWER OF ATTORNEY

LIMITED POWER OF ATTORNEY FOR SEC
REPORTING PURPOSES

Know all by these presents, that the undersigned hereby makes,
constitutes and appoints each of Denise Singleton, Hans Weinburger,
Anna Ashkinazi and any duly appointed Corporate Secretary of Amrize Ltd
(the "Company"), with full power of substitution and resubstitution,
acting individually, as the undersigned's true and lawful attorney-in-
fact, with full power and authority as hereinafter described on behalf
of and in the name, place and stead of the undersigned to:
(1) obtain credentials (including codes or passwords) to enable
the undersigned to submit and file documents, forms and
information required by Section 16(a) of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), or
any rule or regulation of the
U.S. Securities and Exchange Commission (the "SEC") via the
Electronic Data Gathering and Retrieval ("EDGAR") system,
including: (i) preparing, executing in the undersigned's
name and on the undersigned's behalf and submitting to the
SEC a Form ID (and any amendments thereto) or any other
documents necessary or appropriate to obtain such
credentials and legally binding the undersigned for purpose
of the Form ID or such other documents; and (ii) enrolling
the undersigned in EDGAR Next or any successor filing
system;
(2) act as an account administrator for the undersigned's EDGAR
account, including: (i) appointing, removing and replacing
account administrators, technical administrators, account
users and delegated entities; (ii) maintaining the security
of the undersigned's EDGAR account, including modification
of access codes; (iii) maintaining, modifying and certifying
the accuracy of information on the undersigned's EDGAR
account dashboard; and (iv) taking any other actions
contemplated by Rule 10 of Regulation S-T;
(3) cause the Company to accept a delegation of authority from
the undersigned's EDGAR account administrators and
authorize the Company's EDGAR account administrators
pursuant to that delegated entity designation to appoint,
remove or replace users for the undersigned's EDGAR
account;
(4) execute for, and on behalf of, the undersigned, in the
undersigned's capacity as an officer and/or director of the
Company, Form 3, 4 or 5 relating to the Company in
accordance with Section 16(a) of the Exchange Act and
the rules and regulations promulgated thereunder (including
on account of the undersigned's voluntary compliance
therewith during such time as the Company qualifies as a
foreign private issuer) and Form 144 in accordance with Rule
144 under the Securities Act of 1933, as amended (the
"Securities Act") (including on account of the
undersigned's voluntary compliance therewith during such
time as the Company qualifies as a foreign private issuer);
(5) seek or obtain, as the undersigned's representative and on
the undersigned's behalf, information on transactions in
the Company's securities from any third party, including
brokers, employee benefit plan administrators and trustees,
and the undersigned hereby authorizes any such person to
release any such information to any attorney-in-fact and
further approves and ratifies any such release of
information;
(6) do and perform any and all acts for, and on behalf of, the
undersigned that may be necessary or desirable to prepare,
complete and execute any such Form 3, 4 or 5 or Form 144
and any amendments thereto or other required reports and
timely file such forms or


reports with the SEC and any stock exchange or similar
authority as considered necessary or advisable under Section
16(a) of the Exchange Act or Rule 144 under the Securities
Act (including on account of the undersigned's voluntary
compliance therewith during such time as the Company
qualifies as a foreign private issuer); and
(7) take any other action of any type whatsoever in connection
with the foregoing that, in the opinion of such attorney-
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 attorney-in-fact on
behalf of the undersigned pursuant to this Limited Power of
Attorney for SEC Reporting Purposes (this "Limited Power of
Attorney") shall be in such form and shall contain such
terms and conditions as such attorney-in-fact may approve
in such attorney-in-fact's sole discretion.
The undersigned hereby acknowledges that: (i) the foregoing
attorneys-in-fact are serving in such capacity at the request of the
undersigned; (ii) this Limited Power of Attorney authorizes, but does
not require, each such attorney-in-fact to act in his or her
discretion on information provided to such attorney- in-fact without
independent verification of such information; and (iii) any documents
prepared and/or executed by any attorney-in-fact on behalf of the
undersigned pursuant to this Limited Power of Attorney shall be in
such form and shall contain such information and disclosure as such
attorney-in-fact, in his or her sole discretion, deems necessary or
advisable. The undersigned hereby further acknowledges, in each case,
including on account of the undersigned's voluntary compliance with
Section 16(a) of the Exchange Act and Rule 144 of the Securities Act
during such time as the Company qualifies as a foreign private issuer,
that: (i) neither the Company nor any such attorney-in-fact assumes
(a) any liability for the undersigned's responsibility to comply with
the requirements of the Exchange Act or the Securities Act,
(b) any liability of the undersigned for any failure to comply with
such requirements or (c) any obligation or liability of the
undersigned for profit disgorgement under Section 16(b) of the
Exchange Act and
(ii) this Limited Power of Attorney does not relieve the undersigned
from responsibility for compliance with the undersigned's obligations
under the Exchange Act or the Securities Act, including, without
limitation, the reporting requirements under Section 16(a) of the
Exchange Act.
This Limited Power of Attorney shall remain in full force and
effect until the earliest to occur of
(i) the undersigned no longer being required (including on account of
the undersigned's voluntary compliance with Section 16(a) of the
Exchange Act and Rule 144 of the Securities Act during such time as
the Company qualifies as a foreign private issuer) to file Forms 3, 4
and 5 or Form 144 with respect to the undersigned's holdings of, and
transactions in, securities issued by the Company; (ii) the revocation
by the undersigned as to any attorney-in-fact in a signed writing
delivered to such attorney-in-fact; or (iii) any attorney-in-fact no
longer being employed by the Company, as to such attorney-in-fact.


[Signature Page Follows]


IN WITNESS WHEREOF, the undersigned has caused this Limited
Power of Attorney to be executed as of this 29th day of April, 2025.



By: /s/ Theresa Drew
Name: Theresa Drew