Contacts

Scott Einberger
Investor Relations Officer
investors@amrize.com

Telephone inquiries
1 (800) 736-3001 (Toll Free Number)
1 (781) 575-3100 (Toll Number)

Broker inquiries
1-866-690-8162 (Toll Free Number)
1-781-575-4019 (Toll Number)

Written requests
Computershare
PO Box 43006
Providence RI 02940-3006

By overnight delivery:
Computershare
150 Royall St
Suite 101
Canton MA 02021

Shareholder Online Inquiries
www-us.computershare.com/investor/Contact

Email inquiries
web.queries@computershare.com