Directors' Dealings

Johnson,Matthey PLC
3 December 1999

DEALINGS BY DIRECTORS

1.       Name of Company
         Johnson Matthey PLC

2.       Name of Director
         Mr D W Morgan

3.       Person with Holding(s)
         Mr D W Morgan and Mrs Susan Morgan   
                                                                              
4.       Registered Holder(s)
         Mr D W Morgan and Mrs Susan Morgan

5.       Connected Person(s)
         n/a

6.       Nature & Extent of transaction
         Mr D W Morgan exercise of options over 21,527 shares
         Mr D W Morgan sale of 1,850 shares
         Mr D W Morgan transfer of 19,677 shares to spouse
         Mrs S Morgan sale of 9,150 shares

7.       Number of shares/amount of stock acquired
         Mr D W Morgan 21,527       
             
8.       Percentage of Issued Class
         Less than 0.01%    
        
9.       Number of Shares/Amount of stock disposed of
         Mr D W Morgan   1,850
         Mrs S Morgan    9,150
         Total          11,000
              
10.      Percentage of issued class
         Less than 0.01%  

11.      Class of security       
         Ordinary £1 shares              

12.      Price Per Share
         Exercise       10,169 @ 276.53p
                        11,358 @ 316.59p
         Total          21,527
       
         Sale 
         Mr D W Morgan 1,850 @ 684p
         Mrs S Morgan  9,150 @ 684p 
         Total        11,000

13.      Date of Transaction       
         3 December 1999

14.      Date Company Informed
         3 December 1999

15.      Total holding following this notification
         Shares                      Options       LTIP
         D W Morgan  9,027           130,616       35,122
         Mrs Morgan 10,527
                    19,554

16.     Total Percentage holding of Issued Class following this notification  
        Less than 0.01%              

17.     Any additional information        
  
18.     Contact and telephone number for queries  
        Ms Brigid T Conway 0171 269 8461

19.     Name of authorised company official responsible for making this       
        notification
        Ms Brigid T Conway 0171 269 8461


Date of Notification:       3 December 1999