Holding(s) in Company

Cookson Group PLC
13 February 2002

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1) Name of company

COOKSON GROUP PLC

2) Name of shareholder having a major interest

MORLEY FUND MANAGEMENT LIMITED (A subsidiary of CGNU PLC) AND CGNU PLC

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

BNY NORWICH UNION NOMINEES LTD - 19,786,429 SHARES

CHASE GA GROUP NOMINEES LTD - 26,502,884 SHARES

CUIM NOMINEE LIMITED - 19,858,700 SHARES

RBSTB NOMINEES LIMITED - 1,589,478 SHARES

CHASE NOMINEES LIMITED - 1,216,650 SHARES

CREDIT AGRICOLE INDOSUEZ - 225,000 SHARES

CUIM NOMINEE LIMITED - 1,044,941 SHARES

HSBC GLOBAL CUSTODY NOMINEE UK LIMITED - 24,000 SHARES

NORTRUST NOMINEES LIMITED - 1,573,944 SHARES

VIDACOS NOMINEES LIMITED - 1,432,745 SHARES


5) Number of shares/amount of stock acquired

509,000 SHARES

6) Percentage of issued class

0.07%

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

11 FEBRUARY 2002

11) Date company informed

13 FEBRUARY 2002

12) Total holding following this notification

73,254,771 SHARES

13) Total percentage holding of issued class following this notification

10.07%

14) Any additional information


15) Name of contact and telephone number for queries

ALAN WALLWORK, ASST COMPANY SECRETARY, COOKSON GROUP PLC - TEL: [phone]

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

ALAN WALLWORK, ASST COMPANY SECRETARY, COOKSON GROUP PLC


Date of notification: 13 FEBRUARY 2002



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