Holding(s) in Company

Weir Group PLC
11 July 2007


TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES


1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:

The Weir Group PLC


2. Reason for the notification (please state Yes/No):


An acquisition or disposal of voting rights: (Yes)


An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached: (No)


An event changing the breakdown of voting rights: (No)


Other (please specify):  (No)


3. Full name of person(s) subject to the notification obligation (iii):

Prudential plc group of companies


4. Full name of shareholder(s) (if different from 3.):


5. Date of the transaction (and date on which the threshold is crossed or
reached if different):

06 July 2007


6. Date on which issuer notified:

10 July 2007


7. Threshold(s) that is/are crossed or reached:

5%


8. Notified details:


A: Voting rights attached to shares


Situation previous to the triggering transaction

Class/type of shares if possible using the   Number of      Number of voting
ISIN CODE                                    shares         Rights

GB0009465807                                   10,504,794           10,504,794



Resulting situation after the triggering transaction

Class/type of shares if possible    Number of   Number of voting % of voting
using the ISIN CODE                 shares      rights           rights

                                    Direct      Direct  Indirect Direct Indirect

GB0009465807                        Below 3%    Below            Below
                                                3%               3%


B: Financial Instruments

Resulting situation after the triggering transaction

Type of     Expiration Exercise/     Number of voting rights that may   % of
financial   Date       Conversion    be acquired if the instrument is   voting
instrument             Period/ Date  exercised/ converted.              rights



N/A         N/A        N/A           N/A                                N/A


Total (A+B)
Number of voting rights                      % of voting rights

Below 3%                                     Below 3%


9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:


Proxy Voting:


10. Name of the proxy holder:

N/A


11. Number of voting rights proxy holder will cease to hold:

N/A


12. Date on which proxy holder will cease to hold voting rights:

N/A


13. Additional information:

Prudential no longer have a notifiable interest at 3% or 5%


14. Contact name:

Emma Thompson


15. Contact telephone number:

020 7548 2293




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