Holding(s) in Company

Johnson Matthey PLC
30 May 2006


NOTIFICATION OF MAJOR INTERESTS IN SHARES


1.            Name of listed company:

              Johnson Matthey PLC


2.            Name of shareholder with a major interest:

              AXA S.A.


3.            Please state whether notification indicates that it is regarding the holding of the
              shareholder named in 2 above; 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:

              In respect of the shareholder named in 2 above


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

              HSBC Global Custody Nominee (UK) Limited a/c 867530                             185,000
              Smith & Williamson Nominees Limited a/c S66                                      26,657
              BNY (OCS) Nominees Limited                                                       59,100
              HSBC Global Custody Nominee (UK) Limited                                        365,925
              Not disclosed                                                                    67,476


5.            Number of shares/amount of stock acquired:

              N/A


6.            Percentage of issued class (any treasury shares held by the listed company should not be
              taken into account when calculating percentage):

              N/A


7.            Number of shares/amount of stock disposed:

              Not disclosed


8.            Percentage of issued class (any treasury shares held by the listed company should not be
              taken into account when calculating percentage):

              Not disclosed


9.            Class of security:

              Ordinary Shares of £1 each


10.           Date of transaction:

              Not disclosed


11.           Date listed company informed:

              30 May 2006


12.           Total holding following this notification:

              704,158


13.           Total percentage holding of issued class following this notification (any treasury shares
              held by the listed company should not be taken into account when calculating percentage):

              0.32%


14.           Any additional information:

              N/A


15.           Name of contact and telephone number for queries:

              Angela Purtill 020 7269 8461


16.           Name and signature of duly authorised officer of the listed company responsible for making
              this notification:

              Angela Purtill

              30 May 2006






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