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.                              
                                                                               
3    Full name of person(s) subject to the notification obligation:            
                                                                               
     Ameriprise Financial, Inc. and its group                                  
                                                                               
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):                                                    
                                                                               
     31 January 2014                                                           
                                                                               
6    Date on which issuer notified:                                            
                                                                               
     4 February 2014                                                           
                                                                               
7    Threshold(s) that is/are crossed or reached:                              
                                                                               
     Below the threshold of 5%                                                 
                                                                               
8    Notified details:                                                         
                                                                               
     VOTING RIGHTS ATTACHED TO SHARES:                                         
                                                                               
     Class/type of shares (if possible using the ISIN CODE):                   
                                                                               
     GB00B70FPS60                                                             
     US4791424082                                                              
                                                                               
     Situation previous to the triggering transaction:                         
                                                                               
     (The following answers are in respect of GB00B70FPS60 unless otherwise    
     stated)                                                                   
                                                                               
     Number of shares: 10,776,933                                              
     Number of voting rights: 10,776,933                                       
                                                                               
     Resulting situation after the triggering transaction:                     
                                                                               
     Number of shares (direct): 131,805                                        
     Number of voting rights (direct): 131,805                                
     Number of voting rights (indirect): 9,874,632 (plus 292 in respect of     
     US4791424082)                                                             
                                                                               
     % of voting rights (direct): 0.064%                                      
     % of voting rights (indirect): 4.819%                                    
     Total voting rights: 10,006,729 (4.883%)                                  
                                                                               
9    Chain of controlled undertakings through which the voting rights and/or   
     the financial instruments are effectively held if applicable:             
                                                                               
     Ameriprise Financial, Inc., which through intermediate holding companies  
     controls the voting rights of Columbia Management Investment Advisers,    
     Columbia Wanger Asset Management, Threadneedle Management Luxembourg S.A. 
     and Threadneedle Asset Management Holdings Ltd, which itself controls the 
     voting rights of Threadneedle Asset Management Ltd, Threadneedle          
     International Ltd and Threadneedle Pensions Ltd.                          
                                                                               
     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                                                    
                                                                               
     Registered Owner                                                          
                                                                               
     Ameriprise Financial Inc                   A/c                       292                                          
     Littledown Nominees Ltd                    A/c ZLA08                 11,289                                 
     Ameriprise Financial Inc                   A/c                       32,375                                      
     Royal Trust Corp of Canada                 A/c 719306                40,367                              
     The Bank of New York (Nominees) Limited    A/c PTG 468               60,512                
     HSBC Global Custody Nominees (UK) Ltd      A/c 2456820               11,749                 
     State Street Nominees Limited              A/c XC7N                  250,580                            
     Littledown Nominees Ltd                    A/c 76588                 134,621                                 
     Harewood Nominees Ltd                      A/c 1040411926G           504,539                             
     HSBC Global Custody Nominee (UK) Limited   A/c 683182                93,187                
     HSBC Global Custody Nominee (UK) Limited   A/c 740190                86,843                
     HSBC Global Custody Nominee (UK) Limited   A/c 739874                403,270               
     HSBC Global Custody Nominee (UK) Limited   A/c 740311                41,070                
     The Bank of New York (Nominees) Limited    A/c PTG 15303/09997799    58,520     
     HSBC Global Custody Nominee (UK) Limited   A/c 811056                23,909                
     Nortrust Nominees LTD                      A/c BBH05                 76,334                                    
     Chase Nominees Ltd                         A/c 81587                 95,449                                      
     William & Glyns (Isle of Man) Nominees Ltd A/c 301780                25,798             
     Littledown Nominees Ltd                    A/c ZLA01                 50,000                                 
     Littledown Nominees Ltd                    A/c ZLA03                 2,886,574                              
     The Bank Of New York (Nominees) Limited    A/c 52266                 150,064                 
     Littledown Nominees Ltd                    A/c 07198                 116,290                                
     Littledown Nominees Ltd                    A/c 27642                 15,515                                  
     Littledown Nominees Ltd                    A/c 10478                 5,515                                   
     Littledown Nominees Ltd                    A/c ZLA09                 5,960                                  
     Littledown Nominees Ltd                    A/c 10479                 4,317                                   
     Littledown Nominees Ltd                    A/c ZLA12                 116,920                                 
     Littledown Nominees Ltd                    A/c ZLA14                 34,757                                  
     Littledown Nominees Ltd                    A/c 07207                 191,124                                 
     Mellon Nominees (UK) Ltd                   A/c WWSF0004002           139,359                          
     Littledown Nominees Ltd                    A/c 18667                 88,358                                  
     Littledown Nominees Ltd                    A/c 10469                 82,017                                  
     Littledown Nominees Ltd                    A/c 18668                 103,695                                 
     Littledown Nominees Ltd                    A/c 10496                 1,519,087                               
     Littledown Nominees Ltd                    A/c 10492                 203,023                                 
     Littledown Nominees Ltd                    A/c 10491                 1,028,828                               
     Littledown Nominees Ltd                    A/c 10488                 660,053                                 
     Littledown Nominees Ltd                    A/c 10495                 130,000                                 
     Littledown Nominees Ltd                    A/c 30337                 21,228                                  
     Littledown Nominees Ltd                    A/c ZLA15                 503,341                                 
                                                                               
14   Contact Name:                                                             
                                                                               
     Angela Purtill, Deputy Company Secretary, Johnson Matthey plc             
                                                                               
15   Contact Telephone Number: 020 7269 8461                                                             



5 February 2014