Holding(s) in Company

Johnson Matthey PLC
25 April 2005

SCHEDULE 10



NOTIFICATION OF MAJOR INTERESTS IN SHARES



(1)  Name of Company



JOHNSON MATTHEY PLC



(2)  Name of shareholder having a major interest



AXA S.A.



(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


HSBC Global Custody Nominee (UK) Ltd a/c 867815                     126,086
HSBC Global Custody Nominee (UK) Ltd a/c 867396                     480,702
HSBC Global Custody Nominee (UK) Ltd a/c 867530                     185,000
HSBC Global Custody Nominee (UK) Ltd a/c 867372                   1,088,396
HSBC Global Custody Nominee (UK) Ltd a/c 776934                   1,600,000
HSBC Global Custody Nominee (UK) Ltd a/c 867050                     400,000
Smith & Williamson Nominees Ltd a/c S66                              19,165
BNY (OCS) Nominees Limited                                           45,770
Sun Life International Isle of Man Ltd a/c SLI 11                   150,000
Axa Sun Life plc                                                  2,175,000
Chase Nominees Limited a/c 13067                                    315,000
Chase Nominees Limited a/c BT01C                                    20,000



(5)  Number of shares/amount of stock acquired



NOT KNOWN



(6)  Percentage of issued class



NOT KNOWN



(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



NOT KNOWN



(11)  Date company informed



19 APRIL 2005



(12)  Total holding following this notification



6,612,468



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



3.01%



(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:  25 APRIL 2005






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