NOTIFICATION OF TRANSACTIONS OF DIRECTORS/PERSONS DISCHARGING MANAGERIAL RESPONSIBILITIES AND CONNECTED PERSONS

1.        Name of the issuer:

          Johnson Matthey plc

2.        State whether the notification relates to (i) a transaction notified
          in accordance with DTR 3.1.2 R, (ii) a disclosure made in accordance
          with LR 9.8.6R(1) or (iii) a disclosure made in accordance with
          section 793 of the Companies Act (2006):

          In accordance with DTR 3.1.2R

3.        Name of person discharging managerial responsibilities/director:

          N A P Carson
          S Farrant
          P C Framp
          N P H Garner
          R J MacLeod
          G P Otterman
          W F Sandford
          J F Walker
          N Whitley

4.        State whether notification relates to a person connected with a
          person discharging managerial responsibilities/director named in 3
          and identify the connected person:

          No

5.        Indicate whether the notification is in respect of a holding of the
          person referred to in 3 or 4 above or in respect of a non-beneficial
          interest:

          In respect of holdings of the persons named in 3 above

6.        Description of shares (including class), debentures or derivatives or
          financial instruments relating to shares:

          Ordinary Shares of 104 16/21 pence each

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

          Computershare Trustees Limited

8.        State the nature of the transaction:

          Monthly acquisition of shares via the Johnson Matthey Share Incentive
          Plan

9.        Number of shares, debentures or financial instruments relating to
          shares acquired:

          N A P Carson    15
          S Farrant       15
          P C Framp       15
          N P H Garner    15
          R J MacLeod     15
          G P Otterman    15
          W F Sandford    15
          J F Walker      15
          N Whitley       18

10.       Percentage of issued class acquired (treasury shares of that class
          should not be taken into account when calculating percentage):

          Less than 0.1%

11.       Number of shares, debentures or financial instruments relating to
          shares disposed:

          N/A

12.       Percentage of issued class disposed (treasury shares of that class
          should not be taken into account when calculating percentage):

          N/A

13.       Price per share or value of transaction:

          £23.61

14.       Date and place of transaction:

          20 February 2013, London

15.       Total holding following notification and total percentage holding
          following notification (any treasury shares of that class should not
          be taken into account when calculating percentage):

          N A P Carson    213,230
          R J MacLeod     16,059
          W F Sandford    14,251

16.       Date issuer informed of transaction:

          21 February 2013

17.       Date of grant:

          N/A

18.       Period during which or date on which it can be exercised:

          N/A

19.       Total amount paid (if any) for grant of the option:

          N/A

20.       Description of shares or debentures involved (class and number):

          N/A

21.       Exercise price (if fixed at time of grant) or indication that price
          is to be fixed at the time of exercise:

          N/A

22.       Total number of shares or debentures over which options held
          following notification:

          N/A

23.       Any additional information:

          N/A

24.       Name of contact and telephone for queries

          Angela Purtill, Deputy Company Secretary
          020 7269 8400

Name and signature of duly authorised officer of issuer responsible for making notification

Angela Purtill

Date of Notification
21 February 2013