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):                                                       
                                                                                          
              Transactions notified in accordance with DTR 3.1.2R                         
                                                                                          
    3.        Name of person discharging managerial responsibilities/director:            
                                                                                          
              A M Myers                                                                   
                                                                                          
    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:     
                                                                                          
              A notification in respect of a holding of the person named in 3 above       
                                                                                          
    6.        Description of shares (including class), debentures or derivatives or       
              financial instruments relating to shares:                                   
                                                                                          
              Ordinary Shares of 104 16/21 pence each                                     
                                                                                          
    7.        Name of registered shareholders(s) and, if more than one, the number of     
              shares held by each of them:                                                
                                                                                          
              T Rowe Price Trust as Trustee of the Johnson Matthey Salaried Employees     
              Savings Investment Plan                                                     
                                                                                          
    8.        State the nature of the transactions:                                       
                                                                                          
              (1)          Sale of shares out of the Johnson Matthey Salaried Employees   
              Savings Investment Plan                                                     
                                                                                          
              (2)          Regular purchase of shares by the Trustee of the Johnson       
              Matthey Salaried Employees                                                  
                            Savings Investment Plan                                       
                                                                                          
    9.        Number of shares, debentures or financial instruments relating to shares    
              acquired:                                                                   
                                                                                          
              12  ((2) above)                                                             
                                                                                          
                                                                                          
    10.       Percentage of issued class acquired (treasury shares of that class should   
              not be taken into account when calculating percentage):                     
                                                                                          
              Less than 0.1%                                                              
                                                                                          
    11.       Number of shares, debentures or financial instruments relating to shares    
              disposed:                                                                   
                                                                                          
              1,134 ((1) above)                                                           
                                                                                          
    12.       Percentage of issued class disposed (treasury shares of that class should   
              not be taken into account when calculating percentage):                     
                                                                                          
              Less than 0.1%                                                              
                                                                                          
    13.       Price per share or value of transactions:                                   
                                                                                          
              (1) £32.2098                                                                
              (2) £30.6213                                                                
                                                                                          
    14.       Date and place of transactions:                                             
                                                                                          
              (1) 23 June 2015, London                                                    
              (2) 30 June 2015, 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):                                       
                                                                                          
              N/A                                                                         
                                                                                          
    16.       Date issuer informed of transactions:                                       
                                                                                          
              1 July 2015                                                                 

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

    Angela Purtill
    Deputy Company Secretary

    2 July 2015