Disposal

Cookson Group PLC
03 April 2006

3 April 2006



              COMPLETION OF CERAMIC FIBRES SALE FOR US$23 MILLION


Further to its press release of 22 February 2006 Cookson Group plc ('Cookson'),
the leading materials science company, confirms that on 31 March 2006 it
completed the sale of its Ceramic Fibres business.


Cookson's Ceramic Fibres operations in Tennessee, USA and Poland were sold to
The Morgan Crucible Company plc for a cash consideration of US$21 million (£12
million) and Cookson's 50% shareholding in its joint venture in Mexico was sold
to its joint venture partner, Grupo Nutec S.A. de C.V. for a cash consideration
of US$2 million (£1 million).



For further information please contact:


Shareholder/analyst enquiries:
Isabel Vilela, Investor Relations Manager                Cookson Group plc
                                                         Tel: + 44 (0)20 7061 6500

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 ceramic products to the glass 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, construction and
electronics markets.


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


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