Johnson Matthey Regulatory News (JMAT)

NOTIFICATION OF TRANSACTIONS OF DIRECTORS/PERSONS DISCHARGING MANAGERIALRESPONSIBILITIES 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): Notification relates to a transaction notified in accordance with DTR 3.1.2R 3. Name of person discharging managerial responsibilities/director: NAP Carson 4. State whether notification relates to a person connected with a person discharging managerial responsibilities/director named in 3 and identify the connected person: Notification relates to person named in 3 above 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: Notification is in respect of a holding of the person 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: NAP Carson 8. State the nature of the transaction: Exercise of executive share options and subsequent disposal of shares. Details are as follows: Ordinary Shares Date of Grant Exercise Number Disposed Sale Price under option Price (£) (£) 33,407 17 July 2003 8.98 33,407 27.34 9. Number of shares, debentures or financial instruments relating to shares acquired: See 8 above 10. Percentage of issued class acquired (treasury shares of that class should not be taken into account when calculating percentage): N/A 11. Number of shares, debentures or financial instruments relating to shares disposed: See 8 above 12. Percentage of issued class disposed (treasury shares of that class should not be taken into account when calculating percentage): Less than 0.1% 13. Price per share or value of transaction: See 8 above 14. Date and place of transaction: 6 June 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): 213,274 Ordinary Shares of 104 16/21 pence each 16. Date issuer informed of transaction: 7 June 2013 Name and signature of duly authorised officer of issuer responsible for makingnotification Angela PurtillDeputy Company Secretary Date of Notification

7 June 2013