Amrize Ltd – Material Contracts Watch

from 8-K 4 pages 24 August 2026 Private and Confidential Samuel Poletti [Address] Assignment Agreement 1. Assignment Agreement 2. Start Date and Duration Your Assignment With the Host Company in the US Will Commence on August 24, 2026 and Is Anticipated to Last 5 Years Until August 23, 2031, if Not Terminated Prior to This Date in Accordance With Clause 13 “Termination of Assignment” of This Assignment Agreement. the Assignment Period May Be Extended Up to a Maximum Duration of Seven Years From the Start Date of Your Original Assignment (August 24, 2026). the Duration of Any Extension of the Assignment Will Be Mutually Agreed Upon by the Home Company, the Host Company and You. 3. Position and Reporting Line During Your Assignment, You Will Hold the Position of Chief Financial Officer and Report to the Group Chief Executive Officer. 4. Place of Work During Your Assignment Your Normal Place of Work Will Be Chicago, Illinois, in the United States of America. 5. Compensation 5.1 Assignment Salary During the Assignment, You Will Be Compensated in Accordance With the Host Company’s Salary Program. Effective on the Assignment Start Date, Your Annual Base Salary for the Assignment Will Be Usd $725,000 Gross

from 8-K 8 pages Private / Confidential Samuel Poletti [Address] Amrize Ltd Grafenauweg 8 Ch - 6300 Zug Employee Employer Zug, August 24, 2026 Contract of Employment 1. Effective Date, Duration & Years of Service This Contract of Employment Comes Into Effect on August 24, 2026 (The "Effective Date"). 2. Function You Are Appointed as Chief Financial Officer and Member of the Executive Committee of the Amrize Group. Your Appointment Is Subject to the Approval of the Board of Directors of the Employer

from 8-K 12 pages Employment Agreement

from 10-K 10 pages Amrize Ltd 2025 Omnibus Incentive Plan Performance Stock Unit Award Agreement

from 10-K 10 pages Amrize Ltd 2025 Omnibus Incentive Plan Restricted Stock Unit Award Agreement

from 10-K 5 pages Amrize Ltd 2025 Omnibus Incentive Plan Restricted Stock Unit Award Agreement (Non-Employee Directors) This Restricted Stock Unit Award Agreement (This “Award Agreement”), Dated as of , (The “Date of Grant”), Is Made by and Between Amrize Ltd, a Corporation (Aktiengesellschaft) Incorporated in the Canton of Zug, Switzerland (The “Company”), and (The “Participant”). Capitalized Terms Used but Not Defined Herein Shall Have the Meaning Ascribed to Them in the Amrize Ltd 2025 Omnibus Incentive Plan (As May Be Amended From Time to Time, the “Plan”)

from 10-K 2 pages Amendment to the Employment Agreement

from 10-K 11 pages Employment Agreement

from 10-K 3 pages Private / Confidential Roald Brouwer [Address] Amrize Technology Switzerland LLC Grafenauweg 8 Ch - 6300 Zug Employee Employer Zug, May 12, 2025 Addendum to Contract of Employment – Relocation Agreement Dear Roald Following the Discussions in Relation to Your Employment With Amrize in Switzerland (Hereinafter Referred to as “Amrize”), and Your Subsequent Relocation to Switzerland, We Confirm the Following Addendum to Your Contract of Employment. 1. Destination Services Destination Services Are Provided to Help Settling in and Finding Suitable Temporary and Permanent Accommodation in Switzerland. a Predefined Destination Services Package Will Be Offered by Amrize’s Designated Relocation Service Provider. 2. Travel to Switzerland Amrize Will Meet the Costs of One-Way Travel (Economy Class) for You and Your Accompanying Family Members From Your Home Country or Alternatively From Your Current Country of Residence to Switzerland

from 10-K 9 pages Private / Confidential Roald Brouwer [Address] Holcim Technology Ltd Grafenauweg 10 Ch - 6300 Zug Zug, May 12, 2025 New Employment Contract With Amrize Private / Confidential Roald Brouwer [Address] Amrize Technology Switzerland LLC Grafenauweg 8 Ch - 6300 Zug Employee Employer Zug, May 12, 2025 Contract of Employment

from 10-K 8 pages Private / Confidential Samuel Poletti [Address] Amrize Ltd Grafenauweg 8 Ch - 6300 Zug Employee Employer Zug, May 12, 2025 Contract of Employment

from 10-K 4 pages December 3, 2025 Private and Confidential Mario Gross [Address] Assignment Agreement Dear Mario, We Are Pleased to Confirm the Adjustment of Your Existing International Assignment (Herein Called

from 10-K 9 pages Private / Confidential Holcim Technology Ltd Mario Gross Grafenauweg 10 [Address] Ch - 6300 Zug Zug, May 9, 2025 New Employment Contract With Amrize Private / Confidential Mario Gross [Address] Amrize Technology Switzerland LLC Grafenauweg 8 Ch - 6300 Zug Employee Employer Zug, May 9, 2025 Contract of Employment

from 10-K 10 pages Employment Agreement

from 10-K 13 pages Employment Agreement

from 8-K 20 pages Trademark License Agreement by and Among Holcim Ltd and Holcim Technology Ltd and Amrize Technology Switzerland LLC Dated as of June 20, 2025

from 8-K 23 pages Schedules

from 8-K 24 pages Employee Matters Agreement by and Between Holcim Ltd and Amrize Ltd Dated as of June 20, 2025

from 8-K 33 pages Tax Matters Agreement by and Between Holcim Ltd and Amrize Ltd Dated as of June 20, 2025

from 8-K 16 pages 1. Definitions and Interpretations