Transaction in Own Shares

CRH PLC
29 January 2008


29th January 2008


SHARE REPURCHASE PROGRAMME


CRH plc announces that on 28th January 2008, UBS Limited purchased, on behalf of
the Company, 195,180 Ordinary Shares of €0.32 each in CRH plc at prices between
€24.85 and €25.50 per Ordinary Share.  The purchased shares will be held as
Treasury Shares.

Following the above transaction, CRH plc holds 1,665,772 Ordinary Shares in
Treasury.

The number of Ordinary Shares in issue (excluding Treasury Shares) is
545,561,422.


Contact
Angela Malone
Company Secretary
Tel: [phone]




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