Holding(s) in Company

Cookson Group PLC
1 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

FIDELITY INTERNATIONAL LIMITED

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

NON-BENEFICIAL INTEREST

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

REGISTERED NAME                         MANAGEMENT COMPANY                                             NUMBER OF SHARES

CHASE NOMINEES LTD.                     FIDELITY INVESTMENT SERVICES LTD.                                    14.096,919
CHASE MANHATTAN BANK LONDON             FIDELITY INVESTMENT SERVICES LTD.                                     2,105,100
RBS TRUST BANK                          FIDELITY PENSION MANAGEMENT                                             567,400
NORTRUST NOMINEES LTD.                  FIDELITY PENSION MANAGEMENT                                             101,200
BT GLOBENET NOMINEES LTD.               FIDELITY PENSION MANAGEMENT                                              53,500
CITIBANK                                FIDELITY PENSION MANAGEMENT                                              99,800
CHASE NOMINEES LTD.                     FIDELITY PENSION MANAGEMENT                                           1,287,600
BANK OF NEW YORK LONDON                 FIDELITY PENSION MANAGEMENT                                             350,800
NORTHERN TRUST                          FIDELITY PENSION MANAGEMENT                                             315,100
HSBC                                    FIDELITY PENSION MANAGEMENT                                             264,400
BANKERS TRUST                           FIDELITY INTERNATIONAL LIMITED                                           94,100
RBS TRUST BANK                          FIDELITY INTERNATIONAL LIMITED                                        1,090,700
CITIBANK                                FIDELITY INTERNATIONAL LIMITED                                           69,200
CHASE NOMINEES LTD                      FIDELITY INTERNATIONAL LIMITED                                        2,681,009
HSBC CLIENT HOLDINGS NOMINEE (UK)       FIDELITY INTERNATIONAL LIMITED                                       19,068,539
LIMITED
CHASE MANHATTAN BANK LONDON             FIDELITY INTERNATIONAL LIMITED                                          341,200
DEUTSCHE BANK                           FIDELITY INTERNATIONAL LIMITED                                          343,600
BANK OF NEW YORK LONDON                 FIDELITY INTERNATIONAL LIMITED                                          894,000
NORTHERN TRUST                          FIDELITY INTERNATIONAL LIMITED                                          544,000



5) Number of shares/amount of stock acquired

NOT DISCLOSED


6) Percentage of issued class

NOT DISCLOSED

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

30 JANUARY 2002

11) Date company informed

31 JANUARY 2002

12) Total holding following this notification

44,368,167 SHARES

13) Total percentage holding of issued class following this notification

6.10%

14) Any additional information

N/A


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 01 FEBRUARY 2002



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