Holding(s) in Company

Centrica PLC
                  

Centrica plc received on 17 December 2003 a notification dated 11 December 2003
stating that the holding of Fidelity Investments 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


Fidelity Investments


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

State Street Nominees Limited                                            1,971,300
State Street Bank & Trust Company                                        1,895,900
Chase Nominees Limited                                                  17,460,300
State Street Bank & Trust                                                  663,709
State Street Nominees Ltd                                                  400,519
HSBC                                                                     1,540,800
Northern Trust                                                             274,100
Bank of New York                                                           273,100
Nortrust Nominees                                                          295,800
Bank of New York                                                           525,600
Morgan Stanley Trust Co. Nominees Limited Bank                               2,600
Chase Manhatten Bank London                                             27,799,098
Chase Nominees Ltd                                                       6,229,900
Mellon Bank                                                                584,088
Citibank                                                                   931,760
HSBC                                                                     1,622,200
Bank of New York London                                                    640,900
Chase Nominees Ltd                                                       2,518,400
Northern Trust                                                             560,500
Chase Nominees Ltd                                                       3,255,474
Bank of New York London                                                 16,479,897
HSBC                                                                     2,167,885
Chase Manhattan Bank London                                              8,839,848
Deutche Bank                                                             4,305,396
Northern Trust                                                           7,265,147
JP Morgan                                                                6,527,265
Citibank                                                                    81,025
Mellon Nominees Ltd                                                        224,900
State Street Nominees Ltd                                                2,137,600
Nortrust Nominees Ltd                                                    3,822,242
Morgan Stanley                                                           1,770,900
National Australia Bank                                                     38,000
Bank of New York Brussels                                                1,812,986
PICG                                                                        19,675
State Street Bank & Trust                                                2,750,215
Chase Manhattan Bank AG Frankfurt                                          110,900
Brown Brothers Harriman                                                     81,300
Northern Trust London                                                      589,247
Chase Manhattan Bank AG Frankfurt                                          224,801


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


Not known


11. Date company informed


17 December 2003


12. Total holding following this notification


                                                              128,695,277


13. Total percentage holding of issued class following this notification


                                                                    3.02


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


17 December 2003