Director/PDMR Shareholding

Johnson Matthey PLC
02 February 2006


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):


              (iii)


3.            Name of person discharging managerial responsibilities/director:


              A M Thomson


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 person 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:


              A M Thomson


8.            State the nature of the transaction:


              Dividend Reinvestment - purchase of shares


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


              13


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:


              N/A


12.           Percentage of issued class disposed (treasury shares of that class should not be taken into
              account when calculating percentage):


              N/A


13.           Price per share or value of transaction:


              £14.70


14.           Date and place of transaction:


              1 February 2006, 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):


              A M Thomson         2,165


16.           Date issuer informed of transaction:


              2 February 2006


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, Assistant Company Secretary

              020 7269 8461





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



Angela Purtill



Date of Notification



2 February 2006







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