Holding(s) in Company

Johnson,Matthey PLC
14 July 2004

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES



Name of company                Johnson Matthey plc


Name of shareholder having     Aviva plc
a major interest



Person with holding            As in 2 above



Name of registered holder      BNY Norwich Union Nominees Ltd     -      799,299
                               BT Globenet Nominees  Ltd          -        7,100
                               Chase GA Group Nominees Ltd        -    3,607,845
                               Chase Nominees Ltd                 -      477,083
                               CUIM Nominee Ltd                   -    1,252,900
                               RBSTB Nominees Ltd                 -      275,000



Number of shares/amount of     n/a
stock acquired



Percentage of issued class     n/a



Number of shares/amount        250,000
of stock disposed



Percentage of issued class     less than 0.1%



Class of security              Ordinary £1 shares



Date of transaction            12 July 2004



Date company informed          14 July 2004



Total holding following this   6,419,227
notification



Total percentage holding       less than 3%
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:     14 July 2004




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