Transaction in Own Shares

CRH PLC
11 March 2008

11th March 2008


SHARE REPURCHASE PROGRAMME

CRH plc announces that on 10th March 2008, UBS Limited purchased, on behalf of
the Company, 259,075 Ordinary Shares of €0.32 each in CRH plc at prices between
€23.78 and €24.39 per Ordinary Share.  The purchased shares will be held as 
Treasury Shares.

Following the above transactions, CRH plc holds 6,794,834 Ordinary Shares in
Treasury.  The number of Ordinary Shares in issue (excluding Treasury Shares) is
540,432,360.

Contact
Angela Malone
Company Secretary
Tel: [phone]


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