Holding(s) in Company

Weir Group PLC
26 August 2005


                               THE WEIR GROUP PLC

                                                                  26 August 2005


The Weir Group PLC (the 'Company') received notice dated 25 August 2005 that,
for the purposes of Part IV of the Companies Act 1985 (as amended), Aviva plc
consequent upon a purchase of 140,000 shares on 24 August 2005, now hold the
following material interest being 3.03% of the Ordinary shares of GBP0.125 in
the Company.

Registered Name                        No of Shares
                                       held


Aviva plc                                  6,192,806


                                       -------------
                                           6,192,806
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