JOHNSON MATTHEY PLC: Holding(s) in Company

NOTIFICATION OF MAJOR INTERESTS IN SHARES 
1.   Identity of the issuer or the underlying issuer of existing shares to      


     which voting rights are attached: 
                                        
     Johnson Matthey plc                     


                              
2.   Reason for the notification:               


                                
     An acquisition or disposal of voting rights      
                         
     An acquisition or disposal of instruments with similar economic effect to 
     qualifying instruments               


                                 
3.   Full name of person(s) subject to the notification obligation:          
     BlackRock, Inc.                   
                                     
4.   Full name of shareholder(s) (if different from 3.):    


                    
     N/A              


                                                     
5.   Date of the transaction (and date on which the threshold is crossed or     


     reached if different):  
                                                  
     11 June 2013      


                                                  
6.   Date on which issuer notified:      


                                       
     13 June 2013                      


                                    
7.   Threshold(s) that is/are crossed or reached:        


                       
     Holding has gone below 10%                         


                   
8.   Notified details:                          
                           
A.   VOTING RIGHTS ATTACHED TO SHARES:     


                                     
     Class/type of shares (if possible using the ISIN CODE):   
               
     GB00B70FPS60         
                                                     
     Situation previous to the triggering transaction:   
                      
     Number of shares: 20,254,207         
                                     
     Number of voting rights: 20,254,207   
                                    
     Resulting situation after the triggering transaction:    
                 
     Number of shares (direct): N/A      
                                      
     Number of voting rights (direct): N/A            
                         
     Number of voting rights (indirect): 20,243,334    
                        
     % of voting rights (direct): N/A      
                                    
     % of voting rights (indirect): 9.88%     


                             
B    QUALIFYING FINANCIAL INSTRUMENTS    


                                       
     N/A                                


                                   
C    FINANCIAL INSTRUMENTS WITH SIMILAR ECONOMIC EFFECT TO QUALIFYING FNIANCIAL 


     INSTRUMENTS     
                                                          
     Type of financial instrument: CFD       
                                  
     Exercise price: N/A             
                                          
     Expiration date: N/A        
                                              
     Exercise/Conversion period: N/A  
                                         
     Number of voting rights instrument refers to: 220,940       
              
     % of voting rights (Nominal): 0.11%         
                             
     % of voting rights (Delta): 0.11%         
                                
     Total voting rights: 20,464,274 shares (9.99%)    


                    
9.   Chain of controlled undertakings through which the voting rights and/or    


     the financial instruments are effectively held if applicable:   
          
     BlackRock Investment Management (UK) Limited - 20,464,274 shares (9.99%)  

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:                 
                                         
15.  Angela Purtill, Deputy Company Secretary, Johnson Matthey plc    
       
 Contact Telephone Number: 020 7269 8461             
14 June 2013 
END 
-0- Jun/14/2013 08:40 GMT