Transaction in Own Shares

CRH PLC
21 April 2008

                                                                 21st April 2008


                           SHARE REPURCHASE PROGRAMME


CRH plc announces that on 18th April 2008, Davy purchased, on behalf of the
Company, 100,000 Ordinary Shares of €0.32 each in CRH plc at prices between
€23.95 and €24.28 per Ordinary Share.  The purchased shares will be held as
Treasury Shares.

Following the above transaction, CRH plc holds 9,646,450 Ordinary Shares in
Treasury.  The number of Ordinary Shares in issue (excluding Treasury Shares) is
537,580,744.




Contact
Angela Malone
Company Secretary
Tel: [phone]

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