Transaction in Own Shares

CRH PLC
29 April 2008

29th April 2008


SHARE REPURCHASE PROGRAMME

CRH plc announces that on 28th April 2008, Davy purchased, on behalf of the
Company, 55,000 Ordinary Shares of €0.32 each in CRH plc at prices between 
€24.20 and €24.52 per Ordinary Share.  The purchased shares will be held as 
Treasury Shares.

Following the above transaction, CRH plc holds 10,173,961 Ordinary Shares in
Treasury.  The number of Ordinary Shares in issue (excluding Treasury Shares) is
537,053,233.

Contact
Angela Malone
Company Secretary
Tel: [phone]

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