Annual Information Update

Cookson Group PLC 16 April 2008 COOKSON GROUP PLC ANNUAL INFORMATION UPDATE - 12 MONTHS UP TO AND INCLUDING 16 APRIL 2008 In accordance with Prospectus Rule 5.2, Cookson Group plc sets out below a summary of the information that has been published or made available to the public over the previous twelve months in accordance with laws and rules dealing with the regulation of securities, issuers of securities and securities markets. In accordance with Article 27(3) of the Prospectus Directive Regulation, it is acknowledged that whilst the information referred to in this Annual Information Update was up to date at the time of publication, such disclosures may, at any time, become out of date due to changing circumstances. 1. Announcements made via a Regulatory Information Service The announcements listed below were made via RNS and PR Newswire and can be obtained from the London Stock Exchange's website at www.londonstockexchange.com and from the Company's website at www.cooksongroup.co.uk Date Brief Description of Announcement 16-Apr-08 Sale of CBC Business 11-Apr-08 Annual Report & Accounts, including Proposed Amendments to Company's Articles 11-Apr-08 Holding(s) in Company - Standard Life 07-Apr-08 Director/PDMR Shareholding - Nick Salmon 2005 LTIP Vesting 04-Apr-08 Foseco 2007 Results 04-Apr-08 Foseco Scheme of arrangement becomes effective 03-Apr-08 Holding(s) in Company - Goldman Sachs 03-Apr-08 Holding(s) in Company - Standard Life 01-Apr-08 Director/PDMR Shareholding - Mike Butterworth & Nick Salmon, LTIP Award 31-Mar-08 Total Voting Rights 28-Mar-08 Holding(s) in Company - Legal & General 28-Mar-08 Holding(s) in Company - Standard Life 28-Mar-08 Holding(s) in Company - Goldman Sachs 26-Mar-08 Holding(s) in Company - Legal & General 14-Mar-08 Rule 8.1 - Purchase of 1 share in Foseco plc 12-Mar-08 Director/PDMR Shareholding - Mike Butterworth 12-Mar-08 Director/PDMR Shareholding - Nick Salmon 11-Mar-08 Result of EGM 11-Mar-08 Preliminary Results 06-Mar-08 Holding(s) in Company - Goldman Sachs 04-Mar-08 US Anti-trust Clearance 04-Mar-08 EU Anti-trust Clearance 29-Feb-08 Total Voting Rights 18-Feb-08 Holding(s) in Company - Standard Life 15-Feb-08 Holding(s) in Company - Standard Life 15-Feb-08 Holding(s) in Company - Lehman Brothers 13-Feb-08 Holding(s) in Company - Lehman Brothers 08-Feb-08 Holding(s) in Company - Goldman Sachs 31-Jan-08 Total Voting Rights 22-Jan-08 Holding(s) in Company - AXA 17-Jan-08 Holding(s) in Company - AVIVA 15-Jan-08 Holding(s) in Company - AVIVA 11-Jan-08 Disposal of CBC Business 02-Jan-08 Blocklisting Interim Review 02-Jan-08 Holding(s) in Company - Goldman Sachs 31-Dec-07 Total Voting Rights 19-Dec-07 Holding(s) in Company - AXA 19-Dec-07 Notice of EGM 19-Dec-07 Holding(s) in Company - Lloyds TSB 18-Dec-07 Trading Update 12-Dec-07 Holding(s) in Company - AVIVA 11-Dec-07 Holding(s) in Company - Goldman Sachs 10-Dec-07 Holding(s) in Company - AVIVA 06-Dec-07 Holding(s) in Company - Deutsche Bank 05-Dec-07 Holding(s) in Company - Deutsche Bank 30-Nov-07 Total Voting Rights 28-Nov-07 Holding(s) in Company - AVIVA 19-Nov-07 Holding(s) in Company - Deutsche Bank 19-Nov-07 Holding(s) in Company - Legal & General 19-Nov-07 Holding(s) in Company - Goldman Sachs 16-Nov-07 Holding(s) in Company - Deutsche Bank 14-Nov-07 Holding(s) in Company - Deutsche Bank 31-Oct-07 Total Voting Rights 26-Oct-07 Holding(s) in Company - Deutsche Bank 22-Oct-07 Holding(s) in Company - Standard Life 19-Oct-07 Director/PDMR Shareholding - Jeff Hewitt 19-Oct-07 Holding(s) in Company - Goldman Sachs 18-Oct-07 Holding(s) in Company - JPMorgan Chase 18-Oct-07 Holding(s) in Company - AVIVA 17-Oct-07 Holding(s) in Company - Deutsche Bank 17-Oct-07 Holding(s) in Company - Legal & General 17-Oct-07 Holding(s) in Company - Deutsche Bank 16-Oct-07 Director/PDMR Shareholding - Mike Butterworth 16-Oct-07 Director/PDMR Shareholding - Jan Oosterveld 15-Oct-07 Holding(s) in Company - Standard Life 12-Oct-07 Holding(s) in Company - AVIVA 12-Oct-07 Holding(s) in Company - Legal & General 12-Oct-07 Additional Listing 11-Oct-07 Results of Equity Placing 11-Oct-07 Launch of Equity Placing 11-Oct-07 Offer for Foseco plc 09-Oct-07 Holding(s) in Company - JPMorgan Chase 08-Oct-07 Holding(s) in Company - Goldman Sachs 04-Oct-07 Holding(s) in Company - Deutsche Bank 04-Oct-07 Holding(s) in Company - JPMorgan Chase 03-Oct-07 Holding(s) in Company - Deutsche Bank 02-Oct-07 Approach to Foseco plc 01-Oct-07 Ceramics Expansion in China 28-Sep-07 Total Voting Rights 28-Sep-07 Holding(s) in Company - Goldman Sachs 27-Sep-07 Holding(s) in Company - AVIVA 21-Sep-07 Holding(s) in Company - Goldman Sachs 20-Sep-07 Holding(s) in Company - AVIVA 19-Sep-07 Holding(s) in Company - Goldman Sachs 04-Sep-07 Holding(s) in Company - Goldman Sachs 04-Sep-07 Holding(s) in Company - Deutsche Bank 03-Sep-07 Holding(s) in Company - Goldman Sachs 31-Aug-07 Total Voting Rights 23-Aug-07 Holding(s) in Company - Deutsche Bank 14-Aug-07 Holding(s) in Company - Goldman Sachs 13-Aug-07 Holding(s) in Company - JPMorgan Chase 09-Aug-07 Holding(s) in Company - Goldman Sachs 08-Aug-07 Holding(s) in Company - Deutsche Bank 06-Aug-07 Holding(s) in Company - Goldman Sachs 02-Aug-07 Interim Results 01-Aug-07 Holding(s) in Company - JPMorgan Chase 31-Jul-07 Permanent SEC Deregistration 31-Jul-07 Holding(s) in Company - Goldman Sachs 31-Jul-07 Total Voting Rights 31-Jul-07 Holding(s) in Company - Deutsche Bank 30-Jul-07 Holding(s) in Company - Deutsche Bank 26-Jul-07 Holding(s) in Company - Deutsche Bank 17-Jul-07 Holding(s) in Company - Deutsche Bank 12-Jul-07 Holding(s) in Company - Deutsche Bank 10-Jul-07 Filing for permanent SEC Deregistration 06-Jul-07 Holding(s) in Company - JPMorgan Chase 05-Jul-07 Trading Update 02-Jul-07 Blocklisting Interim Review 02-Jul-07 Total Voting Rights 29-Jun-07 Holding(s) in Company - Deutsche Bank 25-Jun-07 Holding(s) in Company - Goldman Sachs 25-Jun-07 Holding(s) in Company - Deutsche Bank 20-Jun-07 Holding(s) in Company - Deutsche Bank 14-Jun-07 Director/PDMR Shareholding - Jeff Hewitt 14-Jun-07 Holding(s) in Company - Deutsche Bank 12-Jun-07 Director/PDMR Shareholding - Mike Butterworth 12-Jun-07 Holding(s) in Company - Goldman Sachs 07-Jun-07 Holding(s) in Company - Deutsche Bank 04-Jun-07 Holding(s) in Company - Deutsche Bank 01-Jun-07 Total Voting Rights 30-May-07 Holding(s) in Company - JPMorgan Chase 25-May-07 Holding(s) in Company - AVIVA 24-May-07 Result of AGM 24-May-07 Trading Statement 23-May-07 Holding(s) in Company - Deutsche Bank 21-May-07 Holding(s) in Company - Deutsche Bank 17-May-07 Holding(s) in Company - Legal & General 15-May-07 Holding(s) in Company - Deutsche Bank 10-May-07 Holding(s) in Company - Deutsche Bank 09-May-07 Holding(s) in Company - Goldman Sachs 30-Apr-07 Total Voting Rights 30-Apr-07 Holding(s) in Company - Legal & General 27-Apr-07 Holding(s) in Company - Goldman Sachs 26-Apr-07 Proposed Amendments to Articles 23-Apr-07 Annual Information Update 23-Apr-07 Holding(s) in Company - Deutsche Bank 23-Apr-07 Holding(s) in Company - Lloyds TSB 19-Apr-07 Annual Report and Accounts 2. Documents filed at Companies House All of the documents listed below were filed with the Registrar of Companies and copies can be obtained from Companies House, Crown Way, Maindy, Cardiff CF14 3UZ or through Companies House Direct at www.direct.companieshouse.gov.uk. Date Brief Description of Filing 04-Apr-08 Return on allotments 88(2) 15-Mar-08 Return on allotments 88(2) 03-Mar-08 Return on allotments 88(2) 08-Feb-08 Return on allotments 88(2) 01-Feb-08 Return on allotments 88(2) 25-Jan-08 Return on allotments 88(2) 18-Jan-08 Return on allotments 88(2) 20-Dec-07 Return on allotments 88(2) 14-Dec-07 Return on allotments 88(2) 12-Dec-07 Return on allotments 88(2) 10-Dec-07 Return on allotments 88(2) 03-Dec-07 Return on allotments 88(2) 23-Nov-07 Return on allotments 88(2) 08-Nov-07 Return on allotments 88(2) 26-Oct-07 Return on allotments 88(2) 22-Oct-07 Return on allotments 88(2) 20-Oct-07 Return on allotments 88(2) 20-Oct-07 Shares Agreement(2) 21-Sept-07 Return on allotments 88(2) 17-Aug-07 Return on allotments 88(2) 10-Aug-07 Return on allotments 88(2) 03-Aug-07 Return on allotments 88(2) 27-Jul-07 Return on allotments 88(2) 23-Jul-07 Return on allotments 88(2) 13-Jul-07 Return on allotments 88(2) 02-Jul-07 Return on allotments 88(2) 27-Jun-07 Annual return 363a 22-Jun-07 Return on allotments 88(2) 15-Jun-07 Return on allotments 88(2) 12-Jun-07 Group Accounts made up to 31/12/06 12-Jun-07 Special resolutions for disapplication of pre-emption rights, authority to allot shares and adoption of Articles 08-Jun-07 Return on allotments 88(2) 25-May-07 Return on allotments 88(2) 18-May-07 Return on allotments 88(2) 04-May-07 Return on allotments 88(2) 20-Apr-07 Return on allotments 88(2) 3. Documents sent to shareholders All of the documents listed below were despatched to holders of Cookson Group plc securities during the last twelve months. Date Brief Description of Documents 11-Apr-08 Letter regarding availability of the 2007 Annual Report on the Company's website 11-Apr-08 Notice of Annual General Meeting and Proxy Form 11-Apr-08 Annual Report and Accounts 2007 19-Dec-07 Notice of Extraordinary General Meeting and Proxy Form 02-Aug-07 Interim Report 2007 19-Apr-07 Notice of 2007 General Meeting and Proxy Form 19-Apr-07 Annual Report and Accounts 2006 4. Documents filed with Financial Services Authority Document Viewing Facility All of the documents listed below were filed with the Financial Services Authority Document Viewing Facility and can be viewed at the UK Listing Authority, The Financial Services Authority, 25 The North Colonnade, Canary Wharf, London E14 5HS. Date Brief Description of Documents 11-Apr-08 Notice of Annual General Meeting, Proxy Form, Letter regarding availability of documents on website and Draft Articles with proposed amendments 11-Apr-08 Annual Report and Accounts 2007 11-Mar-08 Preliminary Results 11-Mar-08 Resolution passed at EGM 2008 02-Aug-07 Interim Report 2007 24-May-07 Resolutions passed as Special Business at AGM 2007 19-Apr-07 Notice of 2007 General Meeting and Proxy Form 19-Apr-07 Annual Report and Accounts 2006 Copies of the Annual and Interim Reports 2007 and the Annual General Meeting documentation can be found on Cookson's website at www.cooksongroup.co.uk Copies of all documents referred to above are also available from the Group Secretary, Cookson Group plc, 165 Fleet Street, London EC4A 2AE England. Further enquiries: Rachel Fell Tel : + 44(0)20 7822 0000 Deputy Secretary END This information is provided by RNS The company news service from the London Stock Exchange

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