Holding(s) in Company

Centrica PLC
16 September 2002

                               16 September 2002

Centrica plc

Centrica plc received on 16 September 2002 a notification dated 13 September
2002 stating that the holding of Aviva plc and its subsidiaries in Centrica plc
constituted a notifiable interest for the purposes of Section 198 of the
Companies Act 1985.


                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1. Name of company

Centrica plc


2. Name of shareholder having a major interest

Aviva 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

See schedule in 4 below


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                              41,111,790

BT Globenet Nominees Ltd                                        34,740

Chase GA Group Nominees Ltd                                 59,204,966

CUIM Nominee Ltd                                            33,068,396

RBSTB Nominees Ltd                                           1,995,354

Hibernian Investment Managers Ltd                              527,470

OHRA Belgium CGU Life VIE                                      198,428

OHRA Belgium Life                                              150,000

OHRA Belgium Non-Life                                           80,000


5. Number of shares / amount of stock acquired

10,406,000


6. Percentage of issued class

N/A


7. Number of shares / amount of stock disposed

N/A


8. Percentage of issued class

N/A


9. Class of security

Ordinary 5 5/9 pence


10. Date of transaction

12 September 2002


11. Date company informed

16 September 2002


12. Total holding following this notification

136,371,144


13. Total percentage holding of issued class following this notification

3.21%


14. Any additional information

None


15. Name of contact and telephone number for queries

Robin Healy 01753 494 017


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

Robin Healy


Date of notification

16 September 2002





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