Holding(s) in Company

Weir Group PLC
21 January 2008


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): Initial notification due to change of threshold for
non-material interest (No)

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

Barclays Global Investors

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

Barclays Global Fund Advisors
Barclays Global Investors Ltd
Barclays Global Investors, N.A.
Indexchange Investment AG

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

17 January 2008

6. Date on which issuer notified:

18 January 2008

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

Below reportable % to 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                                         0                     0


Resulting situation after the triggering transaction

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

                                           Direct   Indirect    Direct  Indirect

GB0009465807                10,678,821         0  10,678,821     0.00%     5.10%


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

10,678,821                     5.10%


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

Barclays Global Fund Advisors
Barclays Global Investors Ltd
Barclays Global Investors, N.A.
Indexchange Investment AG

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:

N/A

14. Contact name:

Geoff Smith

15. Contact telephone number:

0207 116 2913




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