Transaction in Own Shares

CRH PLC
31 January 2008


31st January 2008


SHARE REPURCHASE PROGRAMME


CRH plc announces that on 30th January 2008, UBS Limited purchased, on behalf of
the Company, 244,767 Ordinary Shares of €0.32 each in CRH plc at prices between
€25.78 and €26.38 per Ordinary Share.  The purchased shares will be held as
Treasury Shares.

CRH plc also announces that on 30th January 2008 it transferred to participants
in its employee share schemes 52,282 Ordinary Shares at prices between €12.6416
and €19.68 per Ordinary Share.

Following the above transactions, CRH plc holds 1,873,848 Ordinary Shares in
Treasury.  The number of Ordinary Shares in issue (excluding Treasury Shares) is
545,353,346.


Contact

Angela Malone
Company Secretary
Tel: [phone]
___


                      This information is provided by RNS
            The company news service from the London Stock Exchange