Transaction in Own Shares

27th August 2021

CRH plc Transaction in Own Shares

CRH plc ("CRH") announces that on 26th August 2021 it purchased the following number of its ordinary shares (the "ordinary shares") on Euronext Dublin, from CRH's broker Societe Generale. The ordinary shares purchased will be held as treasury shares.

The purchases form part of CRH's intention to buy back ordinary shares of up to $300 million in the period to 1st October 2021 following its announcement on 30th June 2021 and were effected by CRH's broker as part of the Programme announced on 30th June 2021.

Following settlement of the above transactions CRH will hold 16,148,202 of its ordinary shares in treasury which represents 2.031% of the issued ordinary share capital of CRH. Ordinary shares held in treasury do not have any voting rights. Following settlement, CRH will have 778,992,136 ordinary shares in issue (excluding treasury shares).

In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 (the Market Abuse Regulation) (also in force in the UK, from time to time, including, where relevant, pursuant to the UK's Market Abuse (Amendment) (EU Exit) Regulations 2019), a detailed breakdown of individual trades made by Societe Generale on behalf of CRH as part of the buyback programme is scheduled to this announcement.

Contact:

Diarmuid Enright

Assistant Company Secretary

Tel: 00 3531 6344340