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RNS Number : 5009E
Cookson Group PLC
21 December 2009


NOTIFICATION OF TRANSACTIONS OF DIRECTORS, PERSONS DISCHARGING MANAGERIAL RESPONSIBILITY OR CONNECTED PERSONS
This form is intended for use by an issuer to make a RIS notification required by DR 3.1.4

 (1)  An issuer making a notification in respect of a transaction relating to the shares or debentures of the issuer
should complete boxes 1 to 16, 23 and 24.
 (2)  An issuer making a notification in respect of a derivative relating to the shares of the issuer should complete
boxes 1 to 4, 6, 8, 13, 14, 16, 23 and 24.
 (3)  An issuer making a notification in respect of options granted to a director/person discharging managerial
responsibilities should complete boxes 1 to 3 and 17 to 24.
 (4)  An issuer making a notification in respect of a financial instrument relating to the shares of the issuer (other
than a debenture) should complete boxes 1 to 4, 6, 8, 9, 11, 13, 14, 16, 23 and 24.


Please complete all relevant boxes in block capital letters.

1. Name of the issuer
COOKSON GROUP plc
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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)
(i) and (ii)
############

3. Name of person discharging managerial responsibilities/director
BARRY WILLIAM PERRY
############

4. State whether notification relates to a person connected with a person discharging managerial
responsibilities/director
named in 3 and identify the connected person
IN RESPECT OF DIRECTOR NAMED IN 3, BARRY WILLIAM PERRY
############

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 DIRECTOR NAMED IN 3, BARRY WILLIAM PERRY
############

6. Description of shares (including class), debentures or derivatives or financial instruments relating to shares
ORDINARY P1 SHARES
############

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

8 State the nature of the transaction
PURCHASE OF SHARES UNDER THE TERMS OF A TRADING PLAN ARRANGEMENT
############
############

9. Number of shares, debentures or financial instruments relating to shares acquired
1,253 ORDINARY P1 SHARES
############

10. Percentage of issued class acquired (treasury shares of that class should not be taken into account when calculating
percentage)
0.00045%
############

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
P3.948
############

14. Date and place of transaction
21 DECEMBER 2009, LONDON
############

15. Total holding following notification and total percentage holding following notification (any treasury shares should
not be taken into account when calculating percentage)
7,741 ORDINARY P1 SHARES, 0.0028%
############

16. Date issuer informed of transaction
21 DECEMBER 2009
############

If a person discharging managerial responsibilities has been granted options by the issuer complete the following boxes

17 Date of grant

############

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

############

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

############

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

############
############

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

############

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

############

23. Any additional information
Transaction under the terms of a trading plan arrangement entered into by Mr Perry with the Company's corporate broker,
JPMorgan Cazenove Limited, on 4 June 2009 (as disclosed on 19 June 2009).
############

24. Name of contact and telephone number for queries
RACHEL FELL, DEPUTY SECRETARY, COOKSON GROUP plc, 020 7822 0000
############

Name and signature of duly authorised officer of issuer responsible for making notification
RACHEL FELL, DEPUTY SECRETARY, COOKSON GROUP plc
############

Date of notification
21 DECEMBER 2009
############

END
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The company news service from the London Stock Exchange