Result of AGM

Cookson Group PLC 24 May 2007 24 May 2007 Cookson Group plc - Annual General Meeting Cookson Group plc confirms that each of the resolutions set out in the Notice of Meeting to Shareholders dated 18 April 2007 were passed by Shareholders at today's Annual General Meeting, including the following resolutions passed as special business: Resolution 10 - Authority for the Company to communicate with shareholders electronically Resolution 11 - Authority for the Company to amend the Articles of Association to update statutory references Cookson Group plc confirms that two copies of each of the resolutions passed as special business at the Annual General Meeting have been submitted to the UK Listing Authority in accordance with paragraphs 9.6.2 and 9.6.3 of the Listing Rules and will be available for inspection at the UK Listing Authority's Document Viewing Facility at: 25 The North Colonnade, Canary Wharf, London EH14 5HS. Details of the proxy votes received in advance of the meeting are available to view on the Company's website at: www.cooksongroup.co.uk Cookson Group plc 165 Fleet Street London EC4A 2AE Tel: +44 (0) 20 7822 0000 Fax: +44 (0) 20 7822 0100 Web: www.cooksongroup.co.uk This information is provided by RNS The company news service from the London Stock Exchange

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