Holding(s) in Company

Weir Group PLC
27 April 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:

AXA S.A., 25 Avenue Matignon, 75008 Paris and its 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):

26 April 2007

6. Date on which issuer notified:

27 April 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                                11,703,616           11,703,616



Resulting situation after the triggering transaction

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

                               Direct     Direct     Indirect   Direct  Indirect

GB0009465807                  470,870    470,870    9,796,786     0.23     4.71


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

10,267,656                            4.94%


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

Name of Company / Fund              Number of         % of issues
                                       shares       share capital

AXA Finance                           571,690             0.27503
                Indirect
Sun Life Pensions Management Ltd       48,780             0.02347
                 Direct
Sun Life Unit Assurance Ltd            38,761             0.01865
FTSE All Share Tracker
                 Direct
Sun Life Pensions Management          171,283             0.08240
FTSE All Share Tracker
                 Direct
AXA Framlington                       125,000             0.06014
Trustees for Roman Catholics
                Indirect
AXA Framlington                        70,000             0.03368
Islington Group Pension Scheme
                Indirect
AXA Framlington                        75,000             0.03608
London Scottish Pension Fund
                Indirect
AXA Framlington                       252,000             0.12123
St James Place Exempt (Pens) Fund
                Indirect
AXA Framlington                       282,000             0.13566
St James Place Net (Life) Fund
                Indirect
AXA Framlington                        66,000             0.03175
St James Place Offshore Fund
                Indirect
AXA Famlington                        120,966             0.05819
Daimler Chrysler
                Indirect
AXA Framlington                       500,000             0.24054
Framlington Income & Capital
                Indirect
AXA Framlington                     6,950,000             3.34351
UK Select Ops
                Indirect
AXA Framlington                       250,000             0.12027
Managed Balance
                Indirect
Framlington onshore private clients   254,250             0.12231
                Indirect
Framlington onshore private clients    15,000             0.00722
                Indirect
AXA Winterthur                        212,046             0.10201
                 Direct
EDF Energy Group                      264,880             0.12743
                Indirect
            Total Direct              470,870             0.22653
          Total Indirect            9,796,786             4.71305
                   TOTAL           10,267,656             4.93958


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:


14. Contact name:

Terry March


15. Contact telephone number:

0207 003 2637




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