Director/PDMR Shareholding

NOTIFICATION OF TRANSACTIONS OF DIRECTORS/PERSONS DISCHARGING MANAGERIAL
RESPONSIBILITIES AND CONNECTED PERSONS

1.        Name of the issuer:                                                  
                                                                               
          Johnson Matthey plc                                                  
                                                                               
2.        State whether the notification relates to (i) a transaction notified 
          in accordance with DTR 3.1.2 R, (ii) a disclosure made in accordance 
          with LR 9.8.6R(1) or (iii) a disclosure made in accordance with      
          section 793 of the Companies Act (2006):                             
                                                                               
          In accordance with DTR 3.1.2R                                        
                                                                               
3.        Name of person discharging managerial responsibilities/director:     
                                                                               
          N A P Carson                                                         
          L C Pentz                                                            
          W F Sandford                                                         
          S Farrant                                                            
          J B Fowler                                                           
          P C Framp                                                            
          N P H Garner                                                         
          G P Otterman                                                         
          J Walker                                                            
          N Whitley                                                            
                                                                               
4.        State whether notification relates to a person connected with a      
          person discharging managerial responsibilities/director named in 3   
          and identify the connected person:                                   
                                                                               
          No                                                                   
                                                                               
5.        Indicate whether the notification is in respect of a holding of the  
          person referred to in 3 or 4 above or in respect of a non-beneficial 
          interest:                                                            
                                                                               
          In respect of holdings of the persons named in 3 above               
                                                                               
6.        Description of shares (including class), debentures or derivatives or
          financial instruments relating to shares:                            
                                                                               
          Ordinary Shares of £1 each                                           
                                                                               
7.        Name of registered shareholders(s) and, if more than one, the number 
          of shares held by each of them:                                      
                                                                               
          See 3 above.                                                         
                                                                               
8.        State the nature of the transaction:                                 
                                                                               
          The release of ordinary shares of £1 each under the Johnson Matthey  
          Long Term Incentive Plan 2007 on 25 July 2011. The shares were       
          allocated on 23 July 2008.                                           
                                                                               
9.        Number of shares, debentures or financial instruments relating to    
          shares acquired:                                                     
                                                                               
          The table below shows the number of shares originally allocated in   
          2008, the number of shares released and the number of shares which   
          lapsed.                                                              

          Name            Number of shares   Number of      Number of shares
                          originally         shares         lapsed          
                          allocated          released       (25 July 2011)                
                          (23 July 2008)     (25 July 2011)                 
                                                                               
          N A P Carson      56,239            29,480          26,759         
          L C Pentz         21,853            11,455          10,398          
          W F Sandford      15,318             8,029           7,289          
          S Farrant          9,721             5,095           4,626          
          J B Fowler         3,378             1,770           1,608           
          P C Framp          4,045             2,120           1,925          
          N P H Garner       3,506             1,837           1,669          
          G P Otterman       2,895             1,517           1,378          
          J Walker           3,519             1,844           1,675           
          N Whitley          9,780             5,126           4,654           

          Of the released shares, some were sold on 25 July 2011 and some were 
          retained, as set out in 11 below.                                    

10.       Percentage of issued class acquired (treasury shares of that class   
          should not be taken into account when calculating percentage):       
                                                                               
          0.01%                                                                
                                                                               
11.       Number of shares, debentures or financial instruments relating to    
          shares disposed:                                                     

          Name              Number of       Sale Price    Number of shares
                            shares sold     £             retained        
                                                                              
          N A P Carson      15,369          20.8356       14,111         
          L C Pentz         11,455          20.8356            -               
          W F Sandford       4,186          20.8356        3,843          
          S Farrant          3,700          20.8356        1,395           
          J B Fowler         1,770          20.8356            -              
          P C Framp          1,106          20.8356        1,014          
          N P H Garner       1,837          20.8356            -               
          G P Otterman       1,517          20.8356            -               
          J Walker           1,844          20.8356            -               
          N Whitley          5,126          20.8356            -               
                                                                               

12.       Percentage of issued class disposed (treasury shares of that class  
          should not be taken into account when calculating percentage):      
                                                                               
          0.02%                                                               
                                                                               
13.       Price per share or value of transaction:                            
                                                                               
          See 11 above.                                                       
                                                                               
14.       Date and place of transaction:                                      
                                                                               
          25 July 2011, London                                                
                                                                               
15.       Total holding following notification and total percentage holding   
          following notification (any treasury shares of that class should not
          be taken into account when calculating percentage):                 
                                                                               
                           Total holding under         
                           Johnson Matthey Long Term Incentive Plan 2007                                   
                                                                               
          N A P Carson     213,100                                               
          L C Pentz         89,975                                                
          W F Sandford      77,644                                                
                                                                               
16.       Date issuer informed of transaction:                                
                                                                               
          26 July 2011                                                        
                                                                               
17.       Date of grant:                                                      
                                                                               
          N/A                                                                 
                                                                               
18.       Period during which or date on which it can be exercised:           
                                                                               
          N/A                                                                 
                                                                               
19.       Total amount paid (if any) for grant of the option:                 
                                                                               
          N/A                                                                 
                                                                               
20.       Description of shares or debentures involved (class and number):    
                                                                               
          N/A                                                                 
                                                                              
21.       Exercise price (if fixed at time of grant) or indication that price 
          is to be fixed at the time of exercise:                             
                                                                               
          N/A                                                                 
                                                                               
22.       Total number of shares or debentures over which options held        
          following notification:                                             
                                                                               
          N/A                                                                 
                                                                               
23.       Any additional information:                                         
                                                                               
          N/A                                                                 
                                                                               
24.       Name of contact and telephone for queries                           
                                                                               
          Angela Purtill, Deputy Company Secretary                             
          020 7269 8400                                                       

Name and signature of duly authorised officer of issuer responsible for making
notification

Angela Purtill

Date of Notification
27 July 2011