Holding(s) in Company

Johnson,Matthey PLC
10 March 2004

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES



Name of company                             Johnson Matthey plc

Name of shareholder having                  Legal & General Investment
Management
a major interest

Person with holding                         As in 2 above

Name of registered holder                   HSBC Global Custody Nominee (UK)
Ltd

Number of shares/amount of                  not known
stock acquired

Percentage of issued class                  not known

Number of shares/amount                     n/a
of stock disposed

Percentage of issued class                  n/a

Class of security                           Ordinary £1 shares

Date of transaction                         not known

Date company informed                       10 March 2004

Total holding following this                8,826, 057
notification

Total percentage holding                    4.00%
of issued class following this
notification

Any additional information

Name of contact and telephone               Lynne Sanderson
number for queries                          0207 269 8461

Name of authorised company                  Lynne Sanderson
official responsible for making
this notification

Date of this notification:                  10 March 2004




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