Transaction in Own Shares

CRH PLC
20 March 2008


20th March 2008



SHARE REPURCHASE PROGRAMME


CRH plc announces that on 19th March 2008, UBS Limited purchased, on behalf of
the Company, 235,049 Ordinary Shares of €0.32 each in CRH plc at prices between
€23.798 and € 24.25 per Ordinary Share.  The purchased shares will be held as
Treasury Shares.

CRH plc also announces that on 19th March 2008 it transferred to participants in
its employee share schemes 33,642 Ordinary Shares at prices between €12.6416 and
€19.68 per Ordinary Share and at £12.38 per Ordinary Share.

Following the above transactions, CRH plc holds 7,720,631 Ordinary Shares in
Treasury.  The number of Ordinary Shares in issue (excluding Treasury Shares) is
539,506,563.


Contact

Angela Malone
Company Secretary
Tel: [phone]

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