Director/PDMR Shareholding

Johnson Matthey PLC
24 November 2005


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 DR 3.1.4(R)(1)(a); or (ii) DR 3.1.4 
              (R)(1)(b) a disclosure made in accordance with section 324 (as 
              extended by section 328) of the Companies Act 1985 or (iii) both 
              (i) and (ii):


              L C Pentz            (iii)
              I F Stephenson       (i)


3.            Name of person discharging managerial responsibilities/director:


              L C Pentz
              I F Stephenson


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 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:


              N/A


8.            State the nature of the transaction:


              Exercise of Executive Share Options and subsequent disposal of 
              shares:


                            Ordinary Shares under   Date of Grant  Exercise Price
                            option

              L C Pentz       12,981                14 July 1998           £5.24
              I F Stephenson   9,458                19 July 2000           £9.42


9.            Number of shares, debentures or financial instruments relating to 
              shares acquired:


              See (8) 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:


              L C Pentz            12,981
              I F Stephenson         9,458


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 transaction:


              £12.69


14.           Date and place of transaction:


              24 November 2005, London


15.           Date issuer informed of transaction:


              24 November 2005


16.           Any additional information:


              N/A


17.           Name of contact and telephone for queries


              Angela Purtill, Assistant Company Secretary

              020 7269 8461





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



Angela Purtill


Date of Notification
24 November 2005







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