Holding(s) in Company

Centrica PLC
                  

23 September 2004

Centrica plc

Centrica plc received on 23 September 2004 a notification dated 22 September
2004 stating that the notifiable interest (for the purposes of section 198 of
the Companies Act 1985) of Legal and General Investment Management Limited and
its subsidiary HSBC Global Custody Nominee (UK) Limited in Centrica plc had
reduced.

                              SCHEDULE 10

               NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Name of company


Centrica plc


2. Name of shareholder(s) having a major interest


HSBC Global Custody Nominee (UK) Ltd


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

HSBC Global Custody Nominee (UK) Ltd


5. Number of shares / amount of stock acquired


NA


6. Percentage of issued class


NA


7. Number of shares / amount of stock disposed


Not known


8. Percentage of issued class


Not known


9. Class of security


Ordinary 5 5/9 pence


10. Date of transaction


Not known


11. Date company informed


23 September 2004


12. Total holding following this notification


                                                                       168,877,834


13. Total percentage holding of issued class following this notification


                                                                              3.98%


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


23 September 2004