JOHNSON MATTHEY PLC - Holding(s) in Company

NOTIFICATION OF MAJOR INTERESTS IN SHARES

1    Identity of the issuer or the underlying issuer of existing shares to
     which voting rights are attached:

     Johnson Matthey Plc

2    Reason for the notification:

     An acquisition or disposal of voting rights.

3    Full name of person(s) subject to the notification obligation:

     Ameriprise Financial, Inc. and its group

4    Full name of shareholder(s) (if different from 3.):

     See additional information under 13

5    Date of the transaction (and date on which the threshold is crossed or
     reached if different):

     31 January 2014

6    Date on which issuer notified:

     4 February 2014

7    Threshold(s) that is/are crossed or reached:

     Below the threshold of 5%

8    Notified details:

     VOTING RIGHTS ATTACHED TO SHARES:

     Class/type of shares (if possible using the ISIN CODE):

     GB00B70FPS60
     US4791424082

     Situation previous to the triggering transaction:

     (The following answers are in respect of GB00B70FPS60 unless otherwise
     stated)

     Number of shares: 10,776,933
     Number of voting rights: 10,776,933

     Resulting situation after the triggering transaction:

     Number of shares (direct): 131,805
     Number of voting rights (direct): 131,805
     Number of voting rights (indirect): 9,874,632 (plus 292 in respect of
     US4791424082)

     % of voting rights (direct): 0.064%
     % of voting rights (indirect): 4.819%
     Total voting rights: 10,006,729 (4.883%)

9    Chain of controlled undertakings through which the voting rights and/or
     the financial instruments are effectively held if applicable:

     Ameriprise Financial, Inc., which through intermediate holding companies
     controls the voting rights of Columbia Management Investment Advisers,
     Columbia Wanger Asset Management, Threadneedle Management Luxembourg S.A.
     and Threadneedle Asset Management Holdings Ltd, which itself controls the
     voting rights of Threadneedle Asset Management Ltd, Threadneedle
     International Ltd and Threadneedle Pensions Ltd.

     PROXY VOTING:

10   Name of the proxy holder:

     N/A

11   Number of voting rights proxy holder will cease to hold:

     N/A

12   Date on which proxy holder will cease to hold voting rights:

     N/A

13   Additional Information

     Registered Owner

     Ameriprise Financial Inc                   A/c                       292
     Littledown Nominees Ltd                    A/c ZLA08                 11,289
     Ameriprise Financial Inc                   A/c                       32,375
     Royal Trust Corp of Canada                 A/c 719306                40,367
     The Bank of New York (Nominees) Limited    A/c PTG 468               60,512
     HSBC Global Custody Nominees (UK) Ltd      A/c 2456820               11,749
     State Street Nominees Limited              A/c XC7N                  250,580
     Littledown Nominees Ltd                    A/c 76588                 134,621
     Harewood Nominees Ltd                      A/c 1040411926G           504,539
     HSBC Global Custody Nominee (UK) Limited   A/c 683182                93,187
     HSBC Global Custody Nominee (UK) Limited   A/c 740190                86,843
     HSBC Global Custody Nominee (UK) Limited   A/c 739874                403,270
     HSBC Global Custody Nominee (UK) Limited   A/c 740311                41,070
     The Bank of New York (Nominees) Limited    A/c PTG 15303/09997799    58,520
     HSBC Global Custody Nominee (UK) Limited   A/c 811056                23,909
     Nortrust Nominees LTD                      A/c BBH05                 76,334
     Chase Nominees Ltd                         A/c 81587                 95,449
     William & Glyns (Isle of Man) Nominees Ltd A/c 301780                25,798
     Littledown Nominees Ltd                    A/c ZLA01                 50,000
     Littledown Nominees Ltd                    A/c ZLA03                 2,886,574
     The Bank Of New York (Nominees) Limited    A/c 52266                 150,064
     Littledown Nominees Ltd                    A/c 07198                 116,290
     Littledown Nominees Ltd                    A/c 27642                 15,515
     Littledown Nominees Ltd                    A/c 10478                 5,515
     Littledown Nominees Ltd                    A/c ZLA09                 5,960
     Littledown Nominees Ltd                    A/c 10479                 4,317
     Littledown Nominees Ltd                    A/c ZLA12                 116,920
     Littledown Nominees Ltd                    A/c ZLA14                 34,757
     Littledown Nominees Ltd                    A/c 07207                 191,124
     Mellon Nominees (UK) Ltd                   A/c WWSF0004002           139,359
     Littledown Nominees Ltd                    A/c 18667                 88,358
     Littledown Nominees Ltd                    A/c 10469                 82,017
     Littledown Nominees Ltd                    A/c 18668                 103,695
     Littledown Nominees Ltd                    A/c 10496                 1,519,087
     Littledown Nominees Ltd                    A/c 10492                 203,023
     Littledown Nominees Ltd                    A/c 10491                 1,028,828
     Littledown Nominees Ltd                    A/c 10488                 660,053
     Littledown Nominees Ltd                    A/c 10495                 130,000
     Littledown Nominees Ltd                    A/c 30337                 21,228
     Littledown Nominees Ltd                    A/c ZLA15                 503,341

14   Contact Name:

     Angela Purtill, Deputy Company Secretary, Johnson Matthey plc

15   Contact Telephone Number: 020 7269 8461

5 February 2014

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