Director Shareholding

Johnson Matthey PLC
12 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                                       £9.26

Date of Transaction                                   11 May 2005

Date Company Informed                                 12 May 2005

Total Holding following this notification             10,856

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                                  12 May 2005


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