Additional Listing

Cookson Group PLC
10 January 2005

10 January 2005



Cookson Group plc - Additional Listing

Application has been made to The UK Listing Authority and the London Stock
Exchange for block listings totalling 7,500,000 Ordinary Shares of 1 pence each,
to trade on the London Stock Exchange and to be admitted to the Official List
upon issuance. The shares shall rank pari passu with the existing issued
Ordinary Shares of the Company.

The block listings consist of 2,500,000 shares to be issued under the Company's
Executive Share Option Plan, 2,500,000 shares to be issued under the US Stock
Purchase Plan and 2,500,000 shares to be issued under the Cookson Sharesave
Plan.


Cookson Group plc

265 Strand

London WC2R 1DB

Tel:      [phone]

Fax:     [phone]

Web:   www.cooksongroup.co.uk





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