Transaction in Own Shares

CRH PLC
22 January 2008


22nd January 2008


SHARE REPURCHASE PROGRAMME


CRH plc announces that on 21st January 2008, UBS Limited purchased, on behalf of
the Company, 215,868 Ordinary Shares of €0.32 each in CRH plc at prices between
€22.43 and €23.15 per Ordinary Share.  The purchased shares will be held as
Treasury Shares.


Following the above transaction, CRH plc holds 1,206,019 Ordinary Shares in
Treasury.

The number of Ordinary Shares in issue (excluding Treasury Shares) is
546,021,175.

Contact

Angela Malone

Company Secretary

Tel: [phone]

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