Holding(s) in Company

RNS Number : 4869S

Weir Group PLC

19 May 2009

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):

15 May 2009

6. Date on which issuer notified:

18 May 2009

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	22,326,243	22,326,243

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	22,145,741	22,145,741	-	10.53%	-

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
22,145,741	10.53%

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 fallen below 8% triggering this notification.

PRUDENTIAL PLC

Registered Holder	Holding	%
NORTRUST NOMINEE LTD A/C MHE01	200,000
NORTRUST NOMINEE LTD A/C MHF01	50,593
NORTRUST NOMINEE LTD A/C MHJ01	982,741
NORTRUST NOMINEE LTD A/C MKB01	791,290
NORTRUST NOMINEE LTD A/C MNB01	767,492
NORTRUST NOMINEE LTD A/C MNJ01	46,810
NORTRUST NOMS LTD	51,958
NORTRUST NOMS LTD A/C PUF01	137,519
NORTRUST NOMS LTD A/C PUI01	16,412
NORTRUST NOMS LTD A/C PUQ01	250,000
NORTRUST NOMS LTD A/C PUR01	2,058,192
PRUCLT HSBC GIS NOM(UK) PAC AC	16,408,044
PRUCLT HSBC GIS NOM(UK) PPL AC	384,690
Total	22,145,741	10.53

M&G GROUP LIMITED

Registered Holder	Holding	%
NORTRUST NOMINEE LTD A/C MHE01	200,000
NORTRUST NOMINEE LTD A/C MHF01	50,593
NORTRUST NOMINEE LTD A/C MHJ01	982,741
NORTRUST NOMINEE LTD A/C MKB01	791,290
NORTRUST NOMINEE LTD A/C MNB01	767,492
NORTRUST NOMINEE LTD A/C MNJ01	46,810
NORTRUST NOMS LTD	51,958
NORTRUST NOMS LTD A/C PUF01	137,519
NORTRUST NOMS LTD A/C PUI01	16,412
NORTRUST NOMS LTD A/C PUQ01	250,000
NORTRUST NOMS LTD A/C PUR01	2,058,192
PRUCLT HSBC GIS NOM(UK) PAC AC	16,408,044
PRUCLT HSBC GIS NOM(UK) PPL AC	384,690
Total	22,145,741	10.53

M&G INVESTMENT MANAGEMENT LIMITED

Registered Holder	Holding	%
NORTRUST NOMINEE LTD A/C MHE01	200,000
NORTRUST NOMINEE LTD A/C MHJ01	982,741
NORTRUST NOMINEE LTD A/C MKB01	791,290
NORTRUST NOMINEE LTD A/C MNB01	767,492
NORTRUST NOMINEE LTD A/C MNJ01	46,810
NORTRUST NOMS LTD	51,958
NORTRUST NOMS LTD A/C PUF01	137,519
NORTRUST NOMS LTD A/C PUI01	16,412
NORTRUST NOMS LTD A/C PUQ01	250,000
NORTRUST NOMS LTD A/C PUR01	2,058,192
PRUCLT HSBC GIS NOM(UK) PAC AC	16,408,044
PRUCLT HSBC GIS NOM(UK) PPL AC	384,690
Total	22,095,148	10.50

M&G LIMITED

Registered Holder	Holding	%
NORTRUST NOMINEE LTD A/C MHE01	200,000
NORTRUST NOMINEE LTD A/C MHF01	50,593
NORTRUST NOMINEE LTD A/C MHJ01	982,741
NORTRUST NOMINEE LTD A/C MKB01	791,290
NORTRUST NOMINEE LTD A/C MNB01	767,492
NORTRUST NOMINEE LTD A/C MNJ01	46,810
NORTRUST NOMS LTD	51,958
NORTRUST NOMS LTD A/C PUF01	137,519
NORTRUST NOMS LTD A/C PUI01	16,412
NORTRUST NOMS LTD A/C PUQ01	250,000
NORTRUST NOMS LTD A/C PUR01	2,058,192
PRUCLT HSBC GIS NOM(UK) PAC AC	16,408,044
PRUCLT HSBC GIS NOM(UK) PPL AC	384,690
Total	22,145,741	10.53