Holding(s) in Company

Cookson Group PLC
11 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.                                   14,944,432

CHASE MANHATTAN BANK LONDON             FIDELITY INVESTMENT SERVICES LTD.                                    3,094,600

RBS TRUST BANK                          FIDELITY PENSION MANAGEMENT                                            817,100

NORTRUST NOMINEES LTD.                  FIDELITY PENSION MANAGEMENT                                            145,600

BT GLOBENET NOMINEES LTD.               FIDELITY PENSION MANAGEMENT                                             77,000

CITIBANK                                FIDELITY PENSION MANAGEMENT                                            143,800

CHASE NOMINEES LTD.                     FIDELITY PENSION MANAGEMENT                                          1,850,300

BANK OF NEW YORK LONDON                 FIDELITY PENSION MANAGEMENT                                            504,700

NORTHERN TRUST                          FIDELITY PENSION MANAGEMENT                                            453,000

HSBC                                    FIDELITY PENSION MANAGEMENT                                            286,900

BANKERS TRUST                           FIDELITY INTERNATIONAL LIMITED                                         135,500

RBS TRUST BANK                          FIDELITY INTERNATIONAL LIMITED                                       1,391,900

CITIBANK                                FIDELITY INTERNATIONAL LIMITED                                          99,500

CHASE NOMINEES LTD                      FIDELITY INTERNATIONAL LIMITED                                       3,516,809

HSBC CLIENT HOLDINGS NOMINEE (UK)       FIDELITY INTERNATIONAL LIMITED                                      21,088,726
LIMITED

CHASE MANHATTAN BANK LONDON             FIDELITY INTERNATIONAL LIMITED                                          20,000

DEUTSCHE BANK                           FIDELITY INTERNATIONAL LIMITED                                         494,200

BANK OF NEW YORK LONDON                 FIDELITY INTERNATIONAL LIMITED                                       1,288,100

NORTHERN TRUST                          FIDELITY INTERNATIONAL LIMITED                                         755,600



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

7 FEBRUARY 2002

11) Date company informed

8 FEBRUARY 2002

12) Total holding following this notification

51,107,767 SHARES

13) Total percentage holding of issued class following this notification

7.02%

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 11 FEBRUARY 2002




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