Director/PDMR Shareholding

Johnson Matthey PLC
01 August 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)


             F K Sheffy - (i)


3.           Name of person discharging managerial responsibilities/director:


             L C Pentz


             F K Sheffy


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:


             T Rowe Price Trust as the Trustee of the Johnson Matthey Salaried Employees Savings
             Investment Plan


8.           State the nature of the transaction:


             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:


             L C Pentz       56


             F K Sheffy      23


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:


             £11.06


14.          Date and place of transaction:


             29 July 2005, 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):


             L C Pentz       11,207


16.          Date issuer informed of transaction:


             1 August 2005


17.          Date of grant:

18.          Period during which or date on which it can be exercised:

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

20.          Description of shares or debentures involved (class and number):

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

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

23.          Any additional information:

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



1 August 2005







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