Transaction in Own Shares

CRH PLC
17 January 2008


17th January 2008


SHARE REPURCHASE PROGRAMME


CRH plc announces that on 16th January 2008, UBS Limited purchased, on behalf of
the Company, 97,440 Ordinary Shares of €0.32 each in CRH plc at prices between
€22.00 and €23.00 per Ordinary Share.  The purchased shares will be held as 
Treasury Shares.

CRH plc also announces that on 16th January 2008 it transferred to a participant
of an employee share scheme 179 Ordinary Shares at €17.99 per Ordinary Share.

Following the above transactions, CRH plc holds 689,560 Ordinary Shares in
Treasury.  The number of Ordinary Shares in issue (excluding Treasury Shares) is
546,537,634.


Contact

Angela Malone
Company Secretary
Tel: [phone]


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