Holding(s) in Company

Weir Group PLC
15 August 2006


                               THE WEIR GROUP PLC

                                                                  15 August 2006



Fidelity International Limited ('FIL') and FMR Corp notified The Weir Group PLC
('the Company') on 15 August 2006 that their material interest totalled on 14
August 2006 a holding of 20,015,216 ordinary shares in the Company representing
9.78% 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 sale of 823,497 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

  1,618,113            FPM           Northern Trust London
  1,569,300            FPM           JP Morgan Bournemouth
  1,140,597            FPM           State Street Bank & Trust Co London
    353,800            FPM           Bank of New York Brussels
    328,341            FPM           Mellon Bank
     68,700            FMTC          Brown Brothers Harriman and Co
     52,400            FMTC          JP Morgan Chase Bank
     39,100            FMTC          State Street Bank & Trust Co
  8,491,300           FMRCO          JP Morgan Chase Bank
    700,000           FMRCO          Brown Brothers Harriman and Co
  2,599,465            FISL          JP Morgan Bournemouth
    818,000            FIL           JP Morgan Bournemouth
    103,000            FIL           National ASTL BK Melbourne
    100,300            FIL           Bank of New York Brussels
      4,100            FIL           Brown Brothers Harriman Ltd LUX
  2,028,700            FII           Bank of New York Europe London

 20,015,216                                                              TOTAL




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