Holding(s) in Company

Centrica PLC
18 September 2003

                               18 September 2003

Centrica plc

Centrica plc received on 17 September 2003 a notification dated 12 September
2003 stating that the holding of Barclays 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
Barclays 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

Barclays Private Bank Ltd                                        2,188,158
Barclays Capital Securities Ltd                                  1,560,691
Barclays Global Investors Ltd                                    58,626,682
Barclays Global Fund Advisors                                    1,171,963
Barclays Global Investors Japan                                  95,429
Barclays Bank Trust Company Ltd                                  57,237
Barclays Global Investors Japan Trust                            4,989,178
Barclays Private Bank and Trust Ltd                              1,232
Barclays Private Bank and Trust Ltd                              712,365
Barclays Global Investors, N.A.                                  48,000,169
Barclays Nikko Global Investors Ltd                              1,573,335
Barclays Global Investors Australia Ltd                          1,183,980
Barclays Life Assurance Co Ltd                                   8,081,239

5. Number of shares / amount of stock acquired
Not known

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
11 September 2003

11. Date company informed
17 September 2003

12. Total holding following this notification
128,241,658

13. Total percentage holding of issued class following this notification
3.01

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
18 September 2003




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