Director Declaration

11th Apr 2011 12:16

11 April 2011 COOKSON GROUP PLC

NOTIFICATION OF NEW DIRECTORSHIP - WH SMITH PLC

Cookson Group plc announces that Jeff Harris, Chairman, will join the board of WH Smith PLC as a non-executive director with effect from 10 June 2011.

This disclosure is made pursuant to paragraph 2 of Listing Rule 9.6.14R.

- Ends -

For further information please contact:

Richard Malthouse, Group Secretary

Cookson Group plc

Tel: +44 (0)20 7822 0000

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