Transaction in Own Shares

CRH PLC
21 February 2008



21st February 2008



SHARE REPURCHASE PROGRAMME

CRH plc announces that on 20th February 2008, UBS Limited purchased, on behalf
of the Company, 201,611 Ordinary Shares of €0.32 each in CRH plc at prices 
between €25.34 and €25.95 per Ordinary Share.  The purchased shares will be 
held as Treasury Shares.

CRH plc also announces that on 20th February 2008 it transferred to participants
in its employee share schemes 3,187 Ordinary Shares at prices between £7.18 and 
£10.08 per Ordinary Share.

Following the above transactions, CRH plc holds 4,676,499 Ordinary Shares in
Treasury.  The number of Ordinary Shares in issue (excluding Treasury Shares) is
542,550,695.


Contact
Angela Malone
Company Secretary
Tel: [phone]

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