Holding(s) in Company

CRH PLC
31 August 2005



                            CRH plc ('the Company')
                            -----------------------


The Company received notification today, 31st August 2005, from UBS AG ('UBS')
that as at 23rd August 2005 UBS, acting through its business group and legal
entities detailed below, had an interest in 26,380,604 Ordinary Shares of CRH
plc representing 4.93 per cent of the Company's issued Ordinary Share Capital:



UBS Business Group/Legal Entity       Breakdown of position held
UBS AG (UBS Global Asset Management)                     112,736
UBS Fund Management (Switzerland) AG                   2,314,030
UBS Fund Services (Luxembourg) SA                      6,300,678
UBS Global Asset Management (Americas) Inc.            3,786,483
UBS Global Asset Management (Canada) Co.               1,425,572
UBS Global Asset Management (France) SA                   78,059
UBS Global Asset Management (Hong Kong) Limited           69,440
UBS Global Asset Management (Japan) Limited            1,604,565
UBS Global Asset Management Life Limited               1,301,796
UBS Global Asset Management (New York), Inc.              58,160
UBS Global Asset Management Singapore Limited            172,813
UBS Global Asset Management (Taiwan) Limited              27,822
UBS Global Asset Management Trust Company                659,370
UBS Global Asset Management (UK) Limited               6,359,689
UBS Global Asset Management (US) Inc.                     21,046
UBS O'Connor Limited                                      45,350
UBS AG London Branch                                   1,678,853
UBS Securities Australia Limited                           4,380
UBS Securities LLC                                           800
UBS Financial Services Inc.                               52,480
UBS AG, Jersey Branch                                      5,536
UBS AG New York (101 Park Avenue)                        221,780
UBS Bank (Canada)                                          2,620
UBS Belgium SA/NV                                             10
UBS (France) SA                                            4,250
UBS Laing and Cruickshank Limited                         60,586
UBS Swiss Financial Advisers AG                           11,700
UBS Group Total                                       26,380,604



Contact
Angela Malone
Company Secretary
Tel: [phone]






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