20th Oct 2008 17:43
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:
Prudential plc group of companies
4. Full name of shareholder(s) (if different from 3.):
See additional information under 13.
5. Date of the transaction (and date on which the threshold is crossed or reached if different):
17 October 2008
6. Date on which issuer notified:
20 October 2008
7. Threshold(s) that is/are crossed or reached:
See additional information under 13.
8. Notified details:
A: Voting rights attached to shares
Situation previous to the triggering transaction
| Class/type of shares if possible using the ISIN CODE | Number of shares | Number of voting Rights | 
| GB0009465807 | 16,301,001 | 16,301,001 | 
Resulting situation after the triggering transaction
| Class/type of shares if possible using the ISIN CODE | Number of shares | Number of voting rights | % of voting rights | ||
| 
 | Direct | Direct | Indirect | Direct | Indirect | 
| GB0009465807 | 16,351,136 | 16,351,136 | - | 7.78% | - | 
B: Financial Instruments
Resulting situation after the triggering transaction
| Type of financial instrument | Expiration Date | Exercise/Conversion Period/ Date | Number of voting rights that may be acquired if the instrument is exercised/ converted. | % of voting rights | 
| N/A | N/A | N/A | N/A | N/A | 
Total (A+B)
| Number of voting rights | % of voting rights | 
| 16,351,136 | 7.78% | 
9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable:
Prudential plc (parent Company)
M&G Group Limited (wholly owned subsidiary of Prudential plc)
M&G Investment Management Limited (wholly owned subsidiary of M&G Limited)
M&G Limited (wholly owned subsidiary of M&G Group Limited)
The Prudential Assurance Company Limited (wholly owned subsidiary of Prudential plc)
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:
As per 5.1.2, the non-exempt holdings for Prudential plc have crossed 6% triggering this notification.
PRUDENTIAL PLC
| Registered Holder | Holding | % | 
| MAGIM HSBC GIS NOM(UK) SALI | 126,505 | 
 | 
| NORTRUST NOMINEE LTD A/C MHF01 | 44,129 | 
 | 
| NORTRUST NOMINEE LTD A/C MHJ01 | 691,887 | 
 | 
| NORTRUST NOMINEE LTD A/C MKB01 | 685,255 | 
 | 
| NORTRUST NOMS LTD | 56,255 | 
 | 
| NORTRUST NOMS LTD A/C PUF01 | 140,101 | 
 | 
| NORTRUST NOMS LTD A/C PUI01 | 16,182 | 
 | 
| NORTRUST NOMS LTD A/C PUQ01 | 250,000 | 
 | 
| NORTRUST NOMS LTD A/C PUR01 | 1,839,118 | 
 | 
| PRUCLT HSBC GIS NOM(UK) PAC AC | 11,797,113 | 
 | 
| PRUCLT HSBC GIS NOM(UK) PPL AC | 354,690 | 
 | 
| PRUCLT HSBC GIS NOM(UK) EQBF AC | 43,579 | 
 | 
| PRUCLT HSBC GIS NOM(UK) MNBF AC | 58,430 | 
 | 
| PRUCLT HSBC GIS NOM(UK) PENE AC | 247,892 | 
 | 
| Total | 16,351,136 | 7.78 | 
M&G GROUP LIMITED
| Registered Holder | Holding | % | 
| MAGIM HSBC GIS NOM(UK) SALI | 126,505 | 
 | 
| NORTRUST NOMINEE LTD A/C MHF01 | 44,129 | 
 | 
| NORTRUST NOMINEE LTD A/C MHJ01 | 691,887 | 
 | 
| NORTRUST NOMINEE LTD A/C MKB01 | 685,255 | 
 | 
| NORTRUST NOMS LTD | 56,255 | 
 | 
| NORTRUST NOMS LTD A/C PUF01 | 140,101 | 
 | 
| NORTRUST NOMS LTD A/C PUI01 | 16,182 | 
 | 
| NORTRUST NOMS LTD A/C PUQ01 | 250,000 | 
 | 
| NORTRUST NOMS LTD A/C PUR01 | 1,839,118 | 
 | 
| PRUCLT HSBC GIS NOM(UK) PAC AC | 11,797,113 | 
 | 
| PRUCLT HSBC GIS NOM(UK) PPL AC | 354,690 | 
 | 
| PRUCLT HSBC GIS NOM(UK) EQBF AC | 43,579 | 
 | 
| PRUCLT HSBC GIS NOM(UK) MNBF AC | 58,430 | 
 | 
| PRUCLT HSBC GIS NOM(UK) PENE AC | 247,892 | 
 | 
| Total | 16,351,136 | 7.78 | 
M&G INVESTMENT MANAGEMENT LIMITED
| Registered Holder | Holding | % | 
| MAGIM HSBC GIS NOM(UK) SALI | 126,505 | 
 | 
| NORTRUST NOMINEE LTD A/C MHJ01 | 691,887 | 
 | 
| NORTRUST NOMINEE LTD A/C MKB01 | 685,255 | 
 | 
| NORTRUST NOMS LTD | 56,255 | 
 | 
| NORTRUST NOMS LTD A/C PUF01 | 140,101 | 
 | 
| NORTRUST NOMS LTD A/C PUI01 | 16,182 | 
 | 
| NORTRUST NOMS LTD A/C PUQ01 | 250,000 | 
 | 
| NORTRUST NOMS LTD A/C PUR01 | 1,839,118 | 
 | 
| PRUCLT HSBC GIS NOM(UK) PAC AC | 11,797,113 | 
 | 
| PRUCLT HSBC GIS NOM(UK) PPL AC | 354,690 | 
 | 
| PRUCLT HSBC GIS NOM(UK) EQBF AC | 43,579 | 
 | 
| PRUCLT HSBC GIS NOM(UK) MNBF AC | 58,430 | 
 | 
| PRUCLT HSBC GIS NOM(UK) PENE AC | 247,892 | 
 | 
| Total | 16,307,007 | 7.75 | 
M&G LIMITED
| Registered Holder | Holding | % | 
| MAGIM HSBC GIS NOM(UK) SALI | 126,505 | 
 | 
| NORTRUST NOMINEE LTD A/C MHF01 | 44,129 | 
 | 
| NORTRUST NOMINEE LTD A/C MHJ01 | 691,887 | 
 | 
| NORTRUST NOMINEE LTD A/C MKB01 | 685,255 | 
 | 
| NORTRUST NOMS LTD | 56,255 | 
 | 
| NORTRUST NOMS LTD A/C PUF01 | 140,101 | 
 | 
| NORTRUST NOMS LTD A/C PUI01 | 16,182 | 
 | 
| NORTRUST NOMS LTD A/C PUQ01 | 250,000 | 
 | 
| NORTRUST NOMS LTD A/C PUR01 | 1,839,118 | 
 | 
| PRUCLT HSBC GIS NOM(UK) PAC AC | 11,797,113 | 
 | 
| PRUCLT HSBC GIS NOM(UK) PPL AC | 354,690 | 
 | 
| PRUCLT HSBC GIS NOM(UK) EQBF AC | 43,579 | 
 | 
| PRUCLT HSBC GIS NOM(UK) MNBF AC | 58,430 | 
 | 
| PRUCLT HSBC GIS NOM(UK) PENE AC | 247,892 | 
 | 
| Total | 16,351,136 | 7.78 | 
THE PRUDENTIAL ASSURANCE COMPANY LIMITED
| Registered Holder | Holding | % | 
| MAGIM HSBC GIS NOM(UK) SALI | 126,505 | 
 | 
| PRUCLT HSBC GIS NOM(UK) PAC AC | 11,797,113 | 
 | 
| PRUCLT HSBC GIS NOM(UK) PPL AC | 354,690 | 
 | 
| Total | 12,278,308 | 5.84 | 
14. Contact name:
Dipesh Varsani
M&G Investment Management Limited
15. Contact telephone number:
020 7548 3261
Related Shares:
Weir GroupPrudential