Holding(s) in Company

Weir Group PLC
19 May 2006


                               THE WEIR GROUP PLC

                                                                     19 May 2006



Fidelity International Limited ('FIL') and FMR Corp notified The Weir Group PLC
('the Company') on 19 May 2006 that their material interest totalled on 18 May
2006 a holding of 17,389,713 ordinary shares in the Company representing 8.50%
of the Company's issued share capital as detailed in the table below, and that
such notification also comprised the interest of Edward C. Johnson III as a
principal shareholder of FIL and FMR Corp.


The notification of change is due to the purchase of 2,879,950 ordinary shares.


Percentage holdings are calculated using an issued share capital of 204,583,341
ordinary shares of GBP0.125.

Holding         Management Company   Nominee/Registered Name

  1,982,513            FPM           Northern Trust London
  1,581,497            FPM           State Street Bank & Trust Co London
  1,060,300            FPM           JP Morgan Bournemouth
    654,900            FPM           Bank of New York Brussels
    437,041            FPM           Mellon Bank
     49,400            FMTC          Brown Brothers Harriman and Co
     38,100            FMTC          JP Morgan Chase Bank
     28,300            FMTC          State Street Bank & Trust Co
  4,472,000           FMRCO          JP Morgan Chase Bank
    700,000           FMRCO          Brown Brothers Harriman and Co
  3,266,262            FISL          JP Morgan Bournemouth
    926,700            FIL           JP Morgan Bournemouth
    100,300            FIL           Bank of New York Brussels
     59,700            FIL           National ASTL BK Melbourne
      4,100            FIL           Brown Brothers Harriman Ltd LUX
  2,028,700            FII           Bank of New York Europe London

 17,389,713                          TOTAL




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