Disposal

Cookson Group PLC
11 January 2008


11 January 2008


PROPOSED SALE OF FOSECO'S CARBON BONDED CERAMICS BUSINESS TO EXPEDITE ANTI-TRUST
CLEARANCES


Cookson Group plc ('Cookson'), a leading materials science company, announces
that today, a conditional agreement was entered into to sell Foseco plc's 
('Foseco') Carbon Bonded Ceramics business ('CBC') to companies owned by RHI AG.
The CBC business had revenue of approximately £20 million for the year ended 31
December 2006 and gross assets of approximately £9 million as at 31 December
2006.


Completion of the transaction is conditional, amongst other things, on the
acquisition of Foseco by Cookson, which is expected to be completed in the first
half of 2008.


When the proposed acquisition of Foseco by Cookson was announced on 11 October
2007, it was stated that completion was conditional, amongst other things, on
receipt of anti-trust clearances in the US and EU.  The intention to dispose of
Foseco's CBC business, in order to expedite these clearances, was announced at
that time.


Progress in relation to the proposed acquisition of Foseco is continuing in
accordance with the announcement made on 18 December 2007.


                                    - Ends -


For further information please contact

Shareholder/analyst enquiries:                     Cookson Group plc

Anna Hartropp, Investor Relations Manager          Tel: [phone]


Media enquiries:                                   Hogarth Partnership
John Olsen                                         Tel: [phone]


About Cookson Group plc

Cookson Group plc is a leading materials science company operating on a
worldwide basis in Ceramics, Electronics and Precious Metals markets.


The Ceramics division is the world leader in the supply of advanced flow control
refractory products and systems to the global steel industry and a leading
supplier of specialist ceramics products to the glass, solar and foundry
industries. It is also the regional leader in the US, UK and Australia in the
supply and installation of monolithic refractory linings.



The Electronics division is a leading supplier of advanced surface treatment and
plating chemicals and assembly materials to the automotive, industrial,
construction and electronics markets.



The Precious Metals division is a leading supplier of fabricated precious metals
(primarily gold, silver and platinum) to the jewellery industry in the US, the
UK, France and Spain. Products include alloy materials, semi-finished jewellery
components and finished jewellery.


Cookson Group plc, 165 Fleet Street, London EC4A 2AE

Registered in England and Wales No. 251977

www.cooksongroup.co.uk


                     This information is provided by RNS
            The company news service from the London Stock Exchange