X0508 4 2026-03-06 0 0002035989 Amrize Ltd AMRZ 0002068104 Jenisch Jan Philipp GRAFENAUWEG 8 ZUG V8 6300 SWITZERLAND 1 1 0 0 Chairman & CEO 0 Ordinary Shares 2026-03-06 4 P 0 60000 58.05 A 1703582 D Ordinary Shares 505000 I By spouse The shares were purchased in multiple transactions at prices ranging from CHF 45.30 to CHF 45.50, inclusive. This amount represents the CHF 45.39 weighted average price of such transactions, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.7819). The reporting person undertakes to provide full information regarding the number of shares purchased at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. Hans Weinburger, Attorney-in-Fact 2026-03-09