Holding in Company

Cookson Group PLC
24 December 2001

                                 SCHEDULE 10

                  NOTIFICATION OF MAJOR INTERESTS IN SHARES

1) Name of company

COOKSON GROUP PLC

2) Name of shareholder having a major interest

AEGON UK PLC GROUP OF COMPANIES

3) Please state whether notification indicates that it is in respect of
holding of the shareholder named in 2 above or in respect of a
non-beneficial interest or in the case of an individual holder if it is a
holding of that person's spouse or children under the age of 18

AS ABOVE

4) Name of the registered holder(s) and, if more than one holder, the
number of shares held by each of them

CHASE NOMINEES LIMITED

5) Number of shares/amount of stock acquired

4,527,712 SHARES


6) Percentage of issued class

0.62%

7) Number of shares/amount of stock disposed

N/A


8) Percentage of issued class

N/A


9) Class of security

ORDINARY SHARES OF 50 PENCE EACH

10) Date of transaction

19 DECEMBER 2001

11) Date company informed

21 DECEMBER 2001

12) Total holding following this notification

48,012,270 SHARES

13) Total percentage holding of issued class following this notification

6.60%

14) Any additional information

N/A


15) Name of contact and telephone number for queries

RACHEL FELL, COMPANY SECRETARIAL EXECUTIVE, COOKSON GROUP PLC - 020 7766 4536

16) Name and signature of authorised company official responsible for
making this notification


RACHEL FELL, COMPANY SECRETARIAL EXECUTIVE, COOKSON GROUP PLC

Date of notification 24 DECEMBER 2001