Transaction in Own Shares

Centrica PLC
08 July 2005


Centrica plc

Repurchase of shares

Centrica plc announces that on 8 July 2005 it purchased for cancellation 750,000
of its ordinary shares at a price of 223.9000p 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




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