Holding(s) in Company

Cookson Group PLC
08 November 2006

8 November 2006



Cookson Group plc - Holding(s) in Company


Cookson Group plc was informed on 7 November 2006 that, on 6 November 2006,
Standard Life Investments disposed of 129,218 shares on behalf of Standard Life
Group.  This decreased the total held as a material interest to 11,535,874
shares, being 5.97% of the issued stock of that class.



No. of shares held                             Registered Name

11,535,874                                     Vidacos Nominees



Standard Life also continues to hold a non-material interest of approximately 4%
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






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