Directors' Dealings

Cookson Group PLC 14 March 2000 Directors Shareholding(s) Schedule 11 - Notification of interests of Directors and Connected Persons 1 Name of company: Cookson Group plc 2 Name of director: Sir Bryan Nicholson 3 Please state whether notification indicates that it is in respect of holding of the director named in 2 above or holding of that person's spouse or children under the age of 18 or in respect of a non- beneficial interest: as above 4 Name of registered holder(s) and, if more than one holder, the number of shares held by each of them (if notified): N/A 5 Please state whether notification relates to a person(s) connected with the director named in 2 above and identify the connected person(s): N/A 6 Please state the nature of the transaction. For PEP transactions please indicate whether general/single co PEP and if discretionary/non discretionary: N/A 7 Number of shares/amount of stock acquired: 30,000 8 Percentage of issued class: 0.004% 9 Number of shares/amount of stock disposed: N/A 10 Percentage of issued class: N/A 11 Class of security: Ordinary Shares of 50p each 12 Price per share: £1.55 13 Date of transaction: 13 March 2000 14 Date company informed: 13 March 2000 15 Total holding following this notification: 60,000 16 Total percentage holding of issued class following this notification: 0.008% If a director has been granted options by the company, please complete the following fields: 17 Date of grant: N/A 18 Period during which or date on which exercisable: N/A 19 Total amount paid (if any) for grant of the option: N/A 20 Description of shares or debentures involved: class, number: N/A 21 Exercise price (if fixed at time of grant) or indication that price is to be fixed at time of exercise: N/A 22 Total number of shares or debentures over which options held following this notification: N/A 23 Contact name for queries: Richard Malthouse 24 Contact telephone number: 0171 766 4533 25 Name of company official responsible for making notification: as above Additional Information:

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