Holding(s) in Company

Cookson Group PLC
17 October 2006

17 October 2006



Cookson Group plc - Holding(s) in Company


Cookson Group plc was informed on 16 October 2006 that, on 13 October 2006,
Standard Life Investments disposed of 218,253 shares on behalf of Standard Life
Group.  This decreased the total held as a material interest to 13,285,791
shares, being 6.881% of the issued stock of that class.



No. of shares held                    Registered Name

13,285,791                            Vidacos Nominees



Standard Life also continues to hold a non-material interest of approximately 5%
in the shares of Cookson Group plc.



Cookson Group plc

165 Fleet Street

London EC4A 2AE

Tel:     [phone]

Fax:     [phone]

Web:   www.cooksongroup.co.uk






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