Director/PDMR Shareholding

Johnson Matthey PLC
23 September 2005



NOTIFICATION OF SHARE PURCHASE

Johnson Matthey PLC advises that Mourant & Co Trustees Limited, as the trustee
of the Johnson Matthey Share Retention Trust (the "Trust"), made the following
share purchase in Johnson Matthey PLC:

Date                      Number of Shares          Price

22 September 2005         50,000                    1134.94 pence


The Trust is for the benefit of Johnson Matthey employees and, inter alia, is
used to fund obligations arising under Johnson Matthey's Executive Share Option
Schemes and the Johnson Matthey Long Term Incentive Plan.

In so far as Johnson Matthey PLC executive directors and other persons
discharging managerial responsibilities are beneficiaries under the Trust, they
have an interest in all the shares acquired.


S Farrant
Company Secretary

23 September 2005


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