Total Voting Rights

Cookson Group PLC
01 June 2007



Cookson Group plc - Voting Rights and Capital


In conformity with the FSA's Disclosure and Transparency Rule 5.6.1, Cookson
Group plc confirms that as at 31 May 2007, it had an issued share capital of
193,523,371 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
193,523,371.

The above figure of 193,523,371 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

1 June 2007



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