Holding in Company

Cookson Group PLC
5 September 2000



Schedule 10 - Notification of Major Interests in Shares

1   Name of company:
Cookson Group plc

2   Name of shareholder having a major interest:
THE ALPINE GROUP, INC

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 registered holder(s) and, if more than one holder, the number of
shares held by each of them:
AS ABOVE

5   Number of shares/amount of stock acquired:
N/A

6   Percentage of issued class:
N/A

7   Number of shares/amount of stock disposed:
3,710,000

8   Percentage of issued class:
0.51%

9   Class of security:
COOKSON GROUP PLC ORDINARY SHARES OF 50P EACH

10  Date of transaction:
PRIOR TO 1 SEPTEMBER 2000

11  Date company informed:
4 SEPTEMBER 2000

12  Total holding following this notification:
28,605,888 ORDINARY SHARES OF 50P EACH

13  Total percentage holding of issued class following this notification:
3.94%

14  Contact name for queries:
JULIA BAGGULEY

15 Contact telephone number:
020 7766 4537

16  Name of company official responsible for making notification:
JULIA BAGGULEY

17  Date of notification:
5 SEPTEMBER 2000





Additional Information: