Holding(s) in Company

Johnson,Matthey PLC
04 January 2005

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES



Name of company                             Johnson Matthey plc



Name of shareholder having                  Barclays PLC

a major interest



Person with holding                         As in 2 above



Name of registered holder


Registered Holder                                                                Account                 Holding
                                                                             Designation

Bank of Ireland                                                                                           39,401
BARCLAYS CAPITAL NOMINEES LIMI                                                                           221,876
BARCLAYS TRUST CO AS EXEC/ADM                                                                                580
Barclays Trust Co R69                                                                                      7,361
CHASE NOMINEES LTD                                                                  16376                130,144
Clydesdale Nominees HGB0125                                                        324492                  4,142
Clydesdale Nominees HGB0125                                                        597545                    600
Clydesdale Nominees HGB0125                                                        692386                  1,627
Clydesdale Nominees HGB0125                                                        693269                  3,000
Clydesdale Nominees HGB0125                                                        697663                  3,200
Clydesdale Nominees HGB0125                                                        697710                  5,000
Clydesdale Nominees HGB0125                                                        697728                 10,000
Clydesdale Nominees HGB0125                                                       1200114                  2,650
Clydesdale Nominees HGB0125                                                       3101868                    400
Clydesdale Nominees HGB0225                                                        597278                  6,000
Clydesdale Nominees HGB0225                                                        870934                  1,800
Clydesdale Nominees HGB0325                                                        486590                    425
Clydesdale Nominees HGB0325                                                        870934                    462
INVESTORS BANK AND TRUST CO.                                                                              58,548
INVESTORS BANK AND TRUST CO.                                                                               6,371
INVESTORS BANK AND TRUST CO.                                                                               2,902
INVESTORS BANK AND TRUST CO.                                                                             404,460
INVESTORS BANK AND TRUST CO.                                                                              40,032
INVESTORS BANK AND TRUST CO.                                                                             311,794
INVESTORS BANK AND TRUST CO.                                                                               2,536
INVESTORS BANK AND TRUST CO.                                                                              52,388
INVESTORS BANK AND TRUST CO.                                                                           1,098,242
INVESTORS BANK AND TRUST CO.                                                                              16,249
JP MORGAN (BGI CUSTODY)                                                             16331                 79,311
JP MORGAN (BGI CUSTODY)                                                             16338                 14,257
JP MORGAN (BGI CUSTODY)                                                             16341                128,580
JP MORGAN (BGI CUSTODY)                                                             16342                 26,428
JP MORGAN (BGI CUSTODY)                                                             16400              2,493,855
JP MORGAN (BGI CUSTODY)                                                             18408                 12,595
JPMORGAN CHASE BANK                                                                                       35,959
JPMorgan Chase Bank                                                                                        8,880
JPMorgan Chase Bank                                                                                      113,284
JPMorgan Chase Bank                                                                                       27,117
JPMorgan Chase Bank                                                                                        2,080
JPMorgan Chase Bank                                                                                        1,677
JPMorgan Chase Bank                                                                                       23,720
JPMorgan Chase Bank                                                                                       26,698
JPMorgan Chase Bank                                                                                        5,135
JPMorgan Chase Bank                                                                                       14,093
JPMorgan Chase Bank                                                                                        2,365
JPMORGAN CHASE BANK                                                                                        6,719
Mellon Trust - Boston & SF                                                                                33,125
Mitsubishi Trust International                                                                             1,229
R C Greig Nominees Limited a/c                                                        BL1                 83,391
R C Greig Nominees Limited a/c                                                        CM1                 34,788
R C Greig Nominees Limited GP1                                                        GP1                117,911
R C Greig Nominees Limited SA1                                                        SA1                 84,378
Reflex Nominees Limited                                                                                    1,000
Reflex Nominees Limited                                                                                    3,260
State Street                                                                                               3,545
STATE STREET BOSTON                                                                                      190,698
STATE STREET BOSTON                                                                                       18,778
WELLS FARGO SEATTLE - WIRE BAN                                                                             4,035
ZEBAN NOMINEES LIMITED                                                                                   602,199

Total                                                                                                  6,633,280





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                           4 January 2005



Total holding following this                    6,633,280

notification



Total percentage holding                        3%

of issued class following this

notification



Any additional information                      As at 23 December 2004



Name of contact and telephone Angela Purtill

number for queries                              0207 269 8461



Name of authorised company                      Angela Purtill

official responsible for making

this notification





Date of this notification:                    4 January 2005




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