Total Voting Rights

Cookson Group PLC
28 December 2006



Cookson Group plc - Voting Rights and Capital



In conformity with the Transparency Directive's transitional provision 6,
Cookson Group plc confirms that, at the date of this announcement, it has an
issued share capital of 193,357,175 Ordinary Shares of 10 pence each.  None of
these Ordinary Shares is held in Treasury.



Therefore, the total number of Cookson Group plc shares with voting rights is
193,357,175.



The above figure of 193,357,175 shares may be used by shareholders as the
denominator for the calculations by which they will determine if they are
required to notify their interest in, or a change to their interest in, Cookson
Group plc under the FSA's Disclosure and Transparency Rules.





R Fell
Deputy Secretary



28 December 2006






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