Notice of Meeting and Definitive Proxy Statement

March 28, 2025

CRH plc (the "Company")

Re: Notice of Meeting and Definitive Proxy Statement for 2025 Annual General Meeting

The Notice of Meeting and Definitive Proxy Statement for the 2025 Annual General Meeting of the Company and a Proxy Card (together, the "AGM Documents") have been published by the Company and were filed on Schedule 14A today with the U.S. Securities and Exchange Commission (the "SEC").

Under rules adopted by the SEC, the Company is making proxy materials for the 2025 Annual General Meeting available to our shareholders primarily through the internet. On or around Friday, March 28, 2025, we will mail a notice of internet availability of proxy material ("Notice of Internet Availability") to holders of our ordinary shares as of the Record Date (7:00 p.m. (Dublin) / 3:00 p.m. (New York) on Wednesday, March 12, 2025). The Notice of Internet Availability, which was also filed today with the SEC, and is available to view on the SEC's website at https://www.sec.gov, contains instructions on how to access an electronic copy of our proxy materials, including the Notice of Meeting and Proxy Statement, our 2024 Annual Report and a Proxy Card (the "Proxy Materials"). The Notice of Internet Availability also contains instructions on how to request a paper copy of the Proxy Materials at no charge.

The AGM Documents are available to view on the SEC's website at https://www.sec.gov and the Company's website at https://www.crh.com. The AGM Documents have also been submitted to the U.K. National Storage Mechanism and will shortly be available for inspection at: https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

The Proxy Materials are expected to be mailed to shareholders who have requested a paper copy on or around Friday, March 28, 2025.

Enquiries

Contact

Neil Colgan

Company Secretary

Tel: 00 3531 6344340