Trading Statement

Cookson Group PLC 17 December 2001 17 December 2001 COOKSON GROUP plc FOURTH QUARTER TRADING UPDATE Cookson Group plc announces that, taking account of trading to date during the fourth quarter, results for the year are expected to be in line with market estimates. A full update on trading will be provided to the market on Tuesday 15 January 2002 and a conference call will be held for analysts and other interested parties on that day. Details of the call will be made available in the week commencing 7 January 2002. Cookson Group plc The Adelphi 1-11 John Adam Street London WC2N 6HJ Tel: 020 7766 4500 Fax: 020 7747 6600 www.cooksongroup.co.uk

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