Holding(s) in Company

For filings with the FCA include the annex

For filings with issuer exclude the annex

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi
1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:ii			The 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:iii		Morgan Stanley (Institutional Securities Group and Global Wealth Management)
4. Full name of shareholder(s)  (if different from 3.):iv		Morgan Stanley & Co. International plc
5. Date of the transaction and date on which the threshold is crossed or reached:v		22.09.2016
6. Date on which issuer notified:		26.09.2016
7. Threshold(s) that is/are crossed or reached: vi, vii		3%,4%,5%,6%

8. Notified details:

A: Voting rights attached to sharesviii, ix

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 x

Direct

Direct xi

Indirect xii

Direct

Indirect

GB0009465807

Below 3%

Below 3%

6,512,017

6,512,017

3.01%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date xiii

Exercise/ Conversion Period xiv

Number of voting rights that may be acquired if the instrument is exercised/ converted.

% of voting rights

Right of recall over securities lending agreements

N/A

N/A

4,057,864

1.87%

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

Resulting situation after the triggering transaction

Type of financial instrument

Exercise price

Expiration date xvii

Exercise/ Conversion period xviii

Number of voting rights instrument refers to

% of voting rights xix, xx

Nominal

Delta

Call Option (Cash Settled)

1687.40

10.11.2016

N/A

57,502

N/A

0.03%

Equity Swap

n/a

14.09.2017

N/A

108,953

N/A

0.05%

Equity Swap

n/a

28.11.2016

N/A

3,643,158

N/A

1.68%

Total (A+B+C)

Number of voting rights

Percentage of voting rights

14,379,494

6.64%

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: xxi
Morgan Stanley & Co. International plc, Legal & Compliance Department, 25 Cabot Square, Canary Wharf, London, E14 4QA, UNITED KINGDOM is a direct holder of 14,332,301 voting rights  (6.62%)  and is a subsidiary of Morgan Stanley Investments (UK)   Morgan Stanley Investments (UK), 20 Bank Street, Canary Wharf, London, E14 4AD, UNITED KINGDOM is an indirect holder of 14,332,301 voting rights  (6.62%)  and is a subsidiary of Morgan Stanley UK Group   Morgan Stanley UK Group, 25 Cabot Square, LNCS/5, Canary Wharf, London, E14 4QA, UNITED KINGDOM is an indirect holder of 14,332,301 voting rights  (6.62%)  and is a subsidiary of Morgan Stanley International Limited   Morgan Stanley International Limited, 25 Cabot Square, Canary Wharf, London, E14 4QA, UNITED KINGDOM is an indirect holder of 14,332,301 voting rights  (6.62%)  and is a subsidiary of Morgan Stanley International Holdings Inc.   Morgan Stanley International Holdings Inc., c/o The Corporation Trust Company (DE), Corporation Trust Center, 1209 Orange Street, Wilmington, Delaware, 19801, USA is an indirect holder of 14,332,301 voting rights  (6.62%)  and is a subsidiary of Morgan Stanley
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:	Of the total voting rights attached to shares in Section 8A, 6,512,017 (3.01%) of these are the result of stock borrowing agreements
14. Contact name:	Craig Horsley
15. Contact telephone number:	+44 141 245-7736

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The issuer of this announcement warrants that they are solely responsible for the content, accuracy and originality of the information contained therein.
Source: The Weir Group PLC via Globenewswire