CRH Public Ltd Co - Officer Appointment and Power of Attorney Filing

This filing reports that Thomas R. Peck Jr. has been appointed as the Chief Digital & Information Officer of CRH Public Ltd Co, effective April 13, 2026. Concurrently, a Power of Attorney document (Exhibit 24) was filed. This power of attorney designates specific individuals within CRH, including the Company Secretary and Deputy General Counsel – Securities, as attorneys-in-fact for Mr. Peck. These attorneys are authorized to execute and file all necessary Section 16 and Rule 144 reports (Forms 3, 4, 5, and 144) on behalf of Mr. Peck regarding his transactions and holdings of CRH securities. They are also empowered to obtain necessary information from third parties and take any action deemed beneficial or legally required. The power of attorney remains in effect until Mr. Peck is no longer required to file these reports or until it is revoked in writing. Mr. Peck's role as an officer necessitates these filings and the delegation of authority for compliance.