REG-Holding(s) in Company

Wed Feb 13, 2013 4:43am EST

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 TR-1:  Notification of Major Interests in Shares                                                                                                                                      
 1Identity 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 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):                                                                                                                                                               
 1Full name of person(s) subject to the notification obligation:                                                     The Capital Group Companies, Inc.                                 
 1Full name of shareholder(s) (if different from 3.):                                                                         See Schedule A                                           
 1Date of the transaction and date on which the threshold is crossed reached:                                                11 February 2013                                          
 1Date on which the issuer notified:                                                                                         12 February 2013                                          
 1Threshold(s) that is/are crossed or reached:                                                                                   Below 4%                                              


 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                                                Indirect   Direct     Indirect      Direct        Indirect    
                    Ordinary Shares                            8,549,970                  8,549,970                     8,475,979                  8,475,979                 3.9883%   
                    (GB0009465807)                                                                                                                                                     


 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  
              N/A                                                                                                                                                                      


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


 Total (A+B+C)                                
 Number of voting rights  % of voting rights  
        8,475,979               3.9883%       


 1Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable:  
 See Schedule A                                                                                                                           


 Proxy Voting:                                                    
 1 Name of the proxy holder:                                      
 1Number of voting rights proxy holder will cease to hold:        
 1Date on which proxy holder will cease to hold voting rights:    


 1Additional information:      
 1Contact Name:                
 1Contact telephone number:    


Schedule A

As of 11 February 2013

The Weir Group PLC

                                                    Number of Shares  Percent of Outstanding  
 The Capital Group Companies, Inc. ("CG") holdings  8,475,979         3.998%                  
 Holdings by CG Management Companies and Funds:                                               
 · Capital Research and Management Company          8,475,979         3.998%                  
 · EuroPacific Growth Fund                                                                    
                                                                                              



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Source: The Weir Group PLC via Thomson Reuters ONE


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