Transaction in Own Shares

CRH PLC
10 January 2008

10th January 2008


SHARE REPURCHASE PROGRAMME

CRH plc announces that on 9th January 2008, UBS Limited purchased, on behalf of
the Company, 85,672 Ordinary Shares of €0.32 each in CRH plc at prices between
€22.70 and €23.90 per Ordinary Share.  The purchased shares will be held as 
Treasury Shares.

Following the above transaction, CRH plc holds 270,514 Ordinary Shares in
Treasury.

The number of Ordinary Shares in issue (excluding Treasury Shares) is
546,956,680.


Contact
Angela Malone
Company Secretary
Tel: [phone]


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