Holding(s) in Company

Johnson Matthey PLC
10 June 2005

SCHEDULE 10



NOTIFICATION OF MAJOR INTERESTS IN SHARES



(1)  Name of Company


JOHNSON MATTHEY PLC


(2)  Name of shareholder having a major interest


MORLEY FUND MANAGEMENT LIMITED / AVIVA PLC


(3)  Please state whether notification indicates that it is in respect of
holding of the shareholder named in 2 above or in respect of a non-beneficial
interest or in the case of an individual holder if it is a holding of that
person's spouse or children under the age of 18



BENEFICIAL INTEREST



(4)  Name of registered holder(s) and, if more than one holder, the number of
shares held by each of them


BNY Norwich Union Nominees Ltd                            993,299
BT Globenet Nominees Ltd                                    7,100
Chase GA Group Nominees Ltd                             3,968,312
Chase Nominees Ltd                                        469,433
CUIM Nominee Ltd                                          932,791



(5)  Number of shares/amount of stock acquired



N/A



(6)  Percentage of issued class



N/A



(7)  Number of shares/amount of stock disposed



244,701



(8)  Percentage of issued class



LESS THAN 1%



(9)  Class of Security



ORDINARY £1 SHARES



(10)  Date of transaction



NOT KNOWN



(11)  Date company informed



9 JUNE 2005



(12)  Total holding following this notification



6,370,935



(13)  Total percentage holding of issued class following this notification



2.90%



(14)  Any additional information



N/A



(15) Name of contact and telephone number for queries



ANGELA PURTILL

020 7269 8461



(16) Name of authorised company official responsible for making this
notification



ANGELA PURTILL



Date of notification:  10 JUNE 2005






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