REG-Johnson Matthey PLC: Director/PDMR Shareholding

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
N P H Garner
P N Hawker
D W Morgan
G P Otterman
L C Pentz
J N Sheldrick
W F Sandford
I F Stephenson
J 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 £1 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 33
S Farrant 33
N P H Garner 33
P N Hawker 33
D W Morgan 33
G P Otterman 30
L C Pentz 33
J N Sheldrick 33
W F Sandford 33
I F Stephenson 33
J Walker 33
N Whitley 33

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:

£11.5078

14. Date and place of transaction:

17 June 2009, 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 148,893
P N Hawker 16,181
D W Morgan 44,001
L C Pentz 24,560
J N Sheldrick 119,761

16. Date issuer informed of transaction:

24 June 2009

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 8461

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

Angela Purtill

Date of Notification

24 June 2009

END