Directors' Dealings

Johnson Matthey PLC
18 November 1999


DEALINGS BY DIRECTORS

1.  Name of Company                     Johnson Matthey PLC

2.  Name of Director                     C R N Clark       
                                         N A P Carson
                                         D W Morgan
                                         J N Sheldrick                        
                                         D G Titcombe

3.  Person with Holding(s)               as in 2 above   
                                                                              
          
4.  Registered Holder(s)                 Noble Lowndes Settlement Trustees Ltd
                                         as the Trustee of the Johnson Matthey
                                         UK Employee Share Participation      
                                         Scheme.

5.  Connected Person(s)                            n/a

6.  Nature & Extent of transaction       Regular monthly acquisition of       
                                         shares via the Johnson Matthey       
                                         Employee Share Participation Scheme.

7.   Number of Shares/Amount of         
         Stock Acquired                   C R N Clark              208
                                          N A P Carson             210
                                          D W Morgan               202
                                          J N Sheldrick            208
                                          D G Titcombe             208

8.  Percentage of Issued Class            Less than 0.01% for all             
                                          transactions
        
9.  Number of Shares/Amount of             n/a
    Stock Disposed                          
       
10. Percentage of Issued Class             n/a

11. Class of Security                      Ordinary £1 shares              

12. Price Per Share                        £6.40

13. Date of Transaction                    17 November 1999
                                            
14. Date Company Informed                  18 November 1999

15. Total Holding Following this           C R N Clark         30,288
    notification                           N A P Carson        13,456
                                           D W Morgan           9,027
                                           J N Sheldrick       71,554
                                           D G Titcombe        43,841

16. Total Percentage Holding of            0.08%
    Issued Class Following this       
    Notification                     

IF A DIRECTOR HAS BEEN GRANTED OPTIONS BY THE COMPANY PLEASE COMPLETE THE
FOLLOWING 

17.       Date of grant                            

18.       Period during which or date on       
          which exercisable                            

19.       Total amount paid (if any) for grant of the option

20.       Description of shares or debentures involved: class, number

21.       Exercise price (if fixed at time of grant) or indication that price 
          is to be fixed at time of exercise

22.       Total number of shares or debentures over which options held        
          following this notification

23.       Any additional information        
  
24.       Contact and telephone number for queries       
          Brigid Conway  0171 269 8461

25.      Name of authorised company official responsible for making this      
         notification: 
         Brigid Conway  0171 269 8461