Transaction in Own Shares

CRH PLC
10 March 2008

10th March 2008


SHARE REPURCHASE PROGRAMME


CRH plc announces that on 7th March 2008, UBS Limited purchased, on behalf of
the Company, 200,000 Ordinary Shares of €0.32 each in CRH plc at prices between
€23.89 and €24.77 per Ordinary Share.  The purchased shares will be held as
Treasury Shares.

Following the above transactions, CRH plc holds 6,535,759 Ordinary Shares in
Treasury.  The number of Ordinary Shares in issue (excluding Treasury Shares) is
540,691,435.




Contact
Angela Malone
Company Secretary
Tel: [phone]





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