Ad hoc announcement pursuant to Art. 53 LR

Amrize (AMRZ) has published its Annual General Meeting (AGM) Invitation, Proxy Statement and Annual Report for Fiscal Year 2025.

Amrize’s Annual General Meeting will take place at the Theater Casino Zug, Artherstrasse 4, 6300 Zug, Switzerland on April 21, 2026 at 09:00 am CEST; doors open at 08:00 am CEST.

The documents, including shareholder voting instructions, are available on Amrize’s website at https://investors.amrize.com/.

About Amrize

Amrize (NYSE: AMRZ) is building North America, as the partner of choice for professional builders with advanced branded solutions from foundation to rooftop. With over 1,000 sites and a highly efficient distribution network, we deliver for our customers in every U.S. state and Canadian province. Our 19,000 teammates uniquely serve every construction market from infrastructure, commercial and residential to new build, repair and refurbishment. Amrize achieved $11.8 billion in revenues in 2025 and is listed on the New York Stock Exchange and the SIX Swiss Exchange. Learn more at www.amrize.com

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