Directors Shareholding(s)

Cookson Group PLC 17 January 2001 Schedule 11 - Notification of interests of Directors and Connected Persons 1 Name of company: Cookson Group plc 2 Name of director: Richard Haythornthwaite 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): As above 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: Acquisition of shares under a mandate for the Company's dividend reinvestment plan 7 Number of shares/amount of stock acquired: 83 8 Percentage of issued class: Minimal 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: £2.145 13 Date of transaction: 1 June 2000 14 Date company informed: 17 January 2001 15 Total holding following this notification: 3548 16 Total percentage holding of issued class following this notification: Minimal If a director has been granted options by the company, please complete the following fields: 17 Date of grant: 18 Period during which or date on which exercisable: 19 Total amount paid (if any) for grant of the option: 20 Description of shares or debentures involved: class, number: 21 Exercise price (if fixed at time of grant) or indication that price is to be fixed at time of exercise: 22 Total number of shares or debentures over which options held following this notification: 23 Contact name for queries: Rachel Fell 24 Contact telephone number: 020 7766 4536 25 Name of company official responsible for making notification: As above Schedule 11 - Notification of interests of Directors and Connected Persons 1 Name of company: Cookson Group plc 2 Name of director: Richard Haythornthwaite 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): As above 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: Acquisition of shares under a mandate for the Company's dividend reinvestment plan 7 Number of shares/amount of stock acquired: 86 8 Percentage of issued class: Minimal 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: £1.84 13 Date of transaction: 1 December 2000 14 Date company informed: 17 January 2001 15 Total holding following this notification: 3634 16 Total percentage holding of issued class following this notification: Minimal If a director has been granted options by the company, please complete the following fields: 17 Date of grant: 18 Period during which or date on which exercisable: 19 Total amount paid (if any) for grant of the option: 20 Description of shares or debentures involved: class, number: 21 Exercise price (if fixed at time of grant) or indication that price is to be fixed at time of exercise: 22 Total number of shares or debentures over which options held following this notification: 23 Contact name for queries: Rachel Fell 24 Contact telephone number: 020 7766 4536 25 Name of company official responsible for making notification: As above Additional Information:

Companies

Vesuvius (VSVS)
UK 100

Latest directors dealings