Transaction in Own Shares

Centrica PLC
19 July 2005


Centrica plc

Repurchase of shares

Centrica plc announces that on 19 July 2005 it purchased for cancellation
2,000,000 of its ordinary shares at a price of 224.3820p per share from Hoare
Govett's affiliate, ABN AMRO Bank N.V. London Branch.

Enquiries
Kath Kyle                 Centrica plc                         01753 494902
Jeremy Thompson           ABN AMRO Bank N.V. London Branch     020 7678 8000




                      This information is provided by RNS
            The company news service from the London Stock Exchange