Holding(s) in Company

For filings with the FSA include the annex

For filings with issuer exclude the annex

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES

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

Weir Group plc

2 Reason for the notification (please tick the appropriate box or boxes):
An acquisition or disposal of voting rights		X
An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached
An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments
An event changing the breakdown of voting rights
Other (please specify):

3. Full name of person(s) subject to the notification obligation:	Aberdeen Asset Managers Limited (and/or acting for its affiliates) as discretionary investment manager on behalf of multiple managed portfolios
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:	06/06/2012
6. Date on which issuer notified:	07/06/2012
7. Threshold(s) that is/are crossed or reached:	5%

8. Notified details:
A: Voting rights attached to shares
Class/type of shares if possible using the ISIN CODE	Situation previous to the triggering transaction		Resulting situation after the triggering transaction
	Number of Shares	Number of Voting Rights	Number of shares	Number of voting rights		% of  voting rights
			Direct	Direct	Indirect	Direct	Indirect
GB0009465807	9,224,304	9,224,304	10,952,594		10,952,594		5.16%

B: Qualifying Financial Instruments
Resulting situation after the triggering transaction
Type of financial instrument	Expiration date	Exercise/ Conversion Period	Number of voting rights that may be acquired if the instrument is exercised/ converted.	% of voting rights
Weir Group PUT 1437 GBP OTC Isin DU00XX0286DF Weir Group PUT 1344 GBP OTC Isin DU00XX0285DF	15/06/2012 20/07/2012	15/06/2012 20/07/2012	73,889 83,489	0.03% 0.04%

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments
Resulting situation after the triggering transaction
Type of financial instrument	Exercise price	Expiration date	Exercise/ Conversion period	Number of voting rights instrument refers to	% of voting rights
					Nominal	Delta

Total (A+B+C)
Number of voting rights	Percentage of voting rights
11,109,972	5.23%

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

13. Additional information:
14. Contact name:	Martin Reid
15. Contact telephone number:	01224 404 253

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information contained therein.

Source: The Weir Group PLC via Thomson Reuters ONE

HUG#1618169