Holding(s) in Company

Cookson Group PLC
28 May 2003

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1) Name of company

COOKSON GROUP PLC

2) Name of shareholder having a major interest

AXA S.A

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

AXA SUN LIFE PLC - 13,000,000 SHARES

HSBC GLOBAL CUSTODY NOMINEE (UK) LIMITED A/C 867815 - 3,665,966 SHARES

HSBC GLOBAL CUSTODY NOMINEE (UK) LIMITED A/C 867396 - 8,995,476 SHARES

HSBC GLOBAL CUSTODY NOMINEE (UK) LIMITED A/C 867372 - 22,419,156 SHARES

HSBC GLOBAL CUSTODY NOMINEE (UK) LIMITED A/C 776934 - 2,308,408 SHARES

HSBC GLOBAL CUSTODY NOMINEE (UK) LIMITED A/C 867050 - 4,162,017 SHARES

HSBC GLOBAL CUSTODY NOMINEE (UK) LIMITED A/C UNKNOWN - 200,000 SHARES

BNY (OCS) NOMINEES LIMITED - 260,235 SHARES

SMITH & WILLIAMSON NOMINEES LTD A/C S66 - 1,250,000 SHARES


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

NOT KNOWN

8) Percentage of issued class

0.06%

9) Class of security

ORDINARY SHARES OF 1 PENCE EACH

10) Date of transaction

23 MAY 2003

11) Date company informed

27 MAY 2003

12) Total holding following this notification

56,261,258 SHARES

13) Total percentage holding of issued class following this notification

2.97%

14) Any additional information



15) Name of contact and telephone number for queries

RACHEL FELL, ASSISTANT COMPANY SECRETARY, COOKSON GROUP PLC - TEL: [phone]

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

RACHEL FELL, ASSISTANT COMPANY SECRETARY, COOKSON GROUP PLC


Date of notification: 28 MAY 2003


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