Holding(s) in Company

Centrica PLC
                  

7 September 2005

Centrica plc

Centrica plc received on 7 September 2005 a notification stating that the
interest of Barclays PLC 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(s) 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

Not known


4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them

Barclays Global Fund Advisors                                        8,954,843
Barclays Bank Trust Company Ltd                                         74,567
Gerrard Limited                                                     20,019,544
Barclays Life Assurance Co Ltd                                       6,635,649
Barclays Global Investors Japan Trust & Banking                      4,517,107
Barclays Global Investors Australia Ltd                              1,717,800
Barclays Global Investors Ltd                                       58,177,195
Barclays Capital Securities Ltd                                      2,482,844
Barclays Global Investors, N.A.                                     41,976,397
Barclays Global Investors Japan Ltd                                  1,637,385
Barclays Global Investors Canada Ltd                                   110,993
Barclays Private Bank and Trust Ltd                                     10,860
Barclays Private Bank Ltd                                            2,737,147


5. Number of shares / amount of stock acquired


Not known


6. Percentage of issued class


Not known


7. Number of shares / amount of stock disposed


N/A


8. Percentage of issued class


N/A


9. Class of security


Ordinary 6 14/81 pence


10. Date of transaction


Not known


11. Date company informed


7 September 2005


12. Total holding following this notification


149,052,331


13. Total percentage holding of issued class following this notification


4.06 %


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


7 September 2005