Transaction in Own Shares

CRH PLC
03 March 2008




3rd March 2008




SHARE REPURCHASE PROGRAMME


CRH plc announces that on 29th February 2008, Davy purchased, on behalf of the
Company, 276,500 Ordinary Shares of €0.32 each in CRH plc at prices between
€24.529 and €25.48 per Ordinary Share.  The purchased shares will be held as
Treasury Shares.

Following the above transactions, CRH plc holds 6,057,999 Ordinary Shares in
Treasury.  The number of Ordinary Shares in issue (excluding Treasury Shares) is
541,169,195.



Contact
Angela Malone
Company Secretary
Tel: [phone]
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