Holding(s) in Company

Johnson,Matthey PLC
10 February 2005

SCHEDULE 10



NOTIFICATION OF MAJOR INTERESTS IN SHARES



(1)  Name of Company



JOHNSON MATTHEY PLC



(2)  Name of shareholder having a major interest



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                                         1,021,299
BT Globenet Nominees Ltd                                                   7,100
Chase GA Group Nominees Ltd                                            4,117,362
Chase Nominees Ltd                                                       497,183
CUIM Nominee Ltd                                                       1,273,702



(5)  Number of shares/amount of stock acquired



944,159



(6)  Percentage of issued class



LESS THAN 1%



(7)  Number of shares/amount of stock disposed



N/A



(8)  Percentage of issued class



N/A



(9)  Class of Security



ORDINARY £1 SHARES



(10)  Date of transaction



8 FEBRUARY 2005



(11)  Date company informed



9 FEBRUARY 2005



(12)  Total holding following this notification



6,916,646



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



3.13%



(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 FEBRUARY 2005






                      This information is provided by RNS
            The company news service from the London Stock Exchange