Reduction of Capital

Cookson Group PLC
15 February 2006

                                                                15 February 2006

                               Cookson Group plc

                              Reduction of Capital


Cookson Group plc announces that the High Court of Justice (the 'Court') today
confirmed the reduction of capital of the Company from £550,000,000 divided into
1,934,963,124 ordinary shares of 10 pence each, 6 ordinary shares of 1 pence
each and 727,558,546 deferred shares of 49 pence each to £193,496,312.40 divided
into 1,934,963,124 ordinary shares of 10 pence each, as detailed in its circular
to shareholders dated 19 December 2005.

The Order of the Court has been registered by the Registrar of Companies today
and the reduction of capital is therefore effective on 15 February 2006.

Enquiries:

Cookson Group plc                                       Tel: [phone]

Richard Malthouse, Group Secretary         www.cooksongroup.co.uk


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