Director/PDMR Shareholding

RNS Number : 3992Z

Cookson Group PLC

21 September 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)

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3. Name of person discharging managerial responsibilities/director

BARRY WILLIAM PERRY

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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

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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

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

ORDINARY £1 SHARES

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

BARRY WILLIAM PERRY

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8 State the nature of the transaction

PURCHASE OF SHARES UNDER THE TERMS OF A TRADING PLAN ARRANGEMENT

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

1,128 ORDINARY £1 SHARES

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

0.0004%

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

N/A

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

N/A

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13. Price per share or value of transaction

£4.386151

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14. Date and place of transaction

21 SEPTEMBER 2009, LONDON

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

6,488 ORDINARY £1 SHARES, 0.002%

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16. Date issuer informed of transaction

21 SEPTEMBER 2009

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

17 Date of grant

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

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

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

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

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

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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). A further transaction is scheduled to take place on 21 December 2009. The Company will make the requisite announcement as it is informed of the transaction.