Initial Statement of Beneficial Ownership of Securities

This filing reports the initial statement of beneficial ownership of securities for Jacques Wolf, an insider at Amrize Ltd. The filing, dated April 22, 2026, indicates that Mr. Wolf directly owns 2,640 ordinary shares. Additionally, he indirectly owns 40 ordinary shares, held through his child. The total reported ownership following these transactions is 2,680 ordinary shares. This filing establishes Mr. Wolf's initial ownership stake in the company as of April 21, 2026.