Director/PDMR Shareholding

Johnson Matthey PLC
20 October 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):

              N A P Carson        (iii)
              P N Hawker          (iii)
              D W Morgan          (iii)
              W F Sandford        (i)
              J N Sheldrick       (iii)
              I F Stephenson      (i)


3.   Name of person discharging managerial responsibilities/director:

              N A P Carson
              P N Hawker
              D W Morgan
              W F Sandford
              J N Sheldrick
              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:

              Mourant ECS Trustees Limited

     
8.   State the nature of the transaction:

     Monthly acquisition of shares via the Johnson Matthey Share Incentive Plan


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

              N A P Carson        33
              P N Hawker          33
              D W Morgan          33
              W F Sandford        33
              J N Sheldrick       33
              I F Stephenson      33

     
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:

              £11.25


14.  Date and place of transaction:

              19 October 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):

              N A P Carson        50,770
              P N Hawker          7,820
              D W Morgan          36,122
              J N Sheldrick       53,180


16.  Date issuer informed of transaction:

              20 October 2005


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

20 October 2005




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