Holding(s) in Company

Cookson Group PLC
24 January 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.                                    13,241,919
CHASE MANHATTAN BANK LONDON             FIDELITY INVESTMENT SERVICES LTD.                                     1,685,900
RBS TRUST BANK                          FIDELITY PENSION MANAGEMENT                                             462,600
NORTRUST NOMINEES LTD.                  FIDELITY PENSION MANAGEMENT                                              82,500
BT GLOBENET NOMINEES LTD.               FIDELITY PENSION MANAGEMENT                                              43,600
CITIBANK                                FIDELITY PENSION MANAGEMENT                                              81,400
CHASE NOMINEES LTD.                     FIDELITY PENSION MANAGEMENT                                           1,049,800
BANK OF NEW YORK LONDON                 FIDELITY PENSION MANAGEMENT                                             285,800
NORTHERN TRUST                          FIDELITY PENSION MANAGEMENT                                             256,800
HSBC                                    FIDELITY PENSION MANAGEMENT                                             215,500
BANKERS TRUST                           FIDELITY INTERNATIONAL LIMITED                                           76,700
RBS TRUST BANK                          FIDELITY INTERNATIONAL LIMITED                                          888,900
CITIBANK                                FIDELITY INTERNATIONAL LIMITED                                           56,400
CHASE NOMINEES LTD                      FIDELITY INTERNATIONAL LIMITED                                        2,298,809
HSBC CLIENT HOLDINGS NOMINEE (UK)       FIDELITY INTERNATIONAL LIMITED                                       17,849,539
LIMITED
CHASE MANHATTAN BANK LONDON             FIDELITY INTERNATIONAL LIMITED                                          338,100
DEUTSCHE BANK                           FIDELITY INTERNATIONAL LIMITED                                          280,100
BANK OF NEW YORK LONDON                 FIDELITY INTERNATIONAL LIMITED                                          728,600
NORTHERN TRUST                          FIDELITY INTERNATIONAL LIMITED                                          443,400



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

23 JANUARY 2002

11) Date company informed

24 JANUARY 2002

12) Total holding following this notification

40,366,367 SHARES

13) Total percentage holding of issued class following this notification

5.55%

14) Any additional information

N/A


15) Name of contact and telephone number for queries

BEN MATHEWS, DEPUTY SECRETARY, COOKSON GROUP PLC - TEL: [phone]


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



BEN MATHEWS, DEPUTY SECRETARY, COOKSON GROUP PLC



Date of notification 24 JANUARY 2002



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