Holding(s) in Company

Johnson,Matthey PLC
19 May 2003



                   NOTIFICATION OF MAJOR INTERESTS IN SHARES





1.         Name of company                          Johnson Matthey plc



2.         Name of shareholder having               Zurich Financial Services
           a major interest                         (Threadneedle Investments)



3.         Person with holding                      As in 2 above



4.         Name of registered holder

            BNY (OCS) Nominees Ltd (A/c 219077)               13,240
            BNY (OCS) Nominees Ltd (A/c 219059)              158,000
            BNY (OCS) Nominees Ltd (A/c 219078)                7,460
            BNY (OCS) Nominees Ltd (A/c 219064)              360,523
            Littledown Nominees Ltd (A/c 07199)               43,550
            Littledown Nominees Ltd (A/c 02891)            5,550,000
            Littledown Nominees Ltd (A/c 07198)              319,076
            Littledown Nominees Ltd (A/c 27642)               27,892
            Littledown Nominees Ltd (A/c 11121)               14,221
            Littledown Nominees Ltd (A/c 07205)              450,769
            Littledown Nominees Ltd (A/c 21688)              458,511
            Littledown Nominees Ltd (A/c 02642)              308,000
            Littledown Nominees Ltd (A/c 07207)              654,000
            Littledown Nominees Ltd (A/c 09890)              125,800
            Littledown Nominees Ltd (A/c 03449)              176,000



Total                                                      8,667,042



5.         Number of shares/amount of                     0
stock acquired



6.            Percentage of issued class                 not known



7.         Number of shares/amount                       127,379
of stock disposed



8.            Percentage of issued class                 0.058



9.         Class of security                             Ordinary £1 shares



10.       Date of transaction                            not known



11.       Date company informed                         15 May 2003



12.       Total holding following this                  8,667,042
notification



13.       Total percentage holding             3.95%
of issued class following this
notification



14.       Any additional information



15.       Name of contact and telephone                      Brigid Conway
number for queries                                            0207 269 8461



16.       Name of authorised company                       Simon Farrant
official responsible for making
this notification





Date of this notification:                            19 May 2003




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