Director/PDMR Shareholding

Johnson Matthey PLC
07 July 2005

NOTIFICATION OF TRANSACTIONS OF DIRECTORS/PERSONS DISCHARGING MANGERIAL
RESPONSIBILITY 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 - 58

F K Sheffy - 39

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

£10.65

14.               Date and place of transaction

5 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 - 11,092

16.               Date issuer informed of transaction.

6 July 2005

If a person discharging managerial responsibilities has been granted options by
the issuer

Complete the following boxes

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



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



2.                   Any additional information



3.                   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



7 July 2005




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