Director Shareholding

Johnson Matthey PLC
10 May 2005

DEALINGS BY DIRECTORS


Name of Company                                       Johnson Matthey PLC


Name of Director                                      L C Pentz


Person with holding(s)                                L C Pentz


Registered Holder(s)                                  T Rowe Price Trust as the Trustee of the Johnson
                                                      Matthey Salaried Employees Savings Investment Plan
                                                      (US)


Connected Person(s)                                   N/A


Nature & Extent of transaction                        Regular purchase of shares by the Trustee of the US
                                                      Employee Savings Investment Plan


Number of Shares/Amount of stock acquired             62


Percentage of Issued Class                            Less than 0.01%


Number of Shares/Amount of stock disposed             N/A


Percentage of Issued Class                            N/A


Class of Security                                     Ordinary Shares of £1 each


Price Per Share                                       £9.33


Date of Transaction                                   6 May 2005


Date Company Informed                                 9 May 2005


Total Holding following this notification             10,794


Total Percentage Holding of Issued Class following    Less than 0.01%
this notification


Contact name and telephone number for queries         Angela Purtill - 020 7269 8461
Name of authorised company official responsible for   Angela Purtill
making this notification


Date of notification                                  10 May 2005




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