Transaction in Own Shares

CRH PLC
21 January 2008


21st January 2008


SHARE REPURCHASE PROGRAMME


CRH plc announces that on 18th January 2008, UBS Limited purchased, on behalf of
the Company, 250,000 Ordinary Shares of €0.32 each in CRH plc at prices between
€23.00 and €23.95 per Ordinary Share.  The purchased shares will be held as 
Treasury Shares.
         
Following the above transaction, CRH plc holds 990,151 Ordinary Shares in
Treasury.

The number of Ordinary Shares in issue (excluding Treasury Shares) is
546,237,043.


Contact

Angela Malone
Company Secretary
Tel: [phone]

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