Transaction in Own Shares

Centrica PLC
22 June 2005


Centrica plc

Repurchase of shares

Centrica plc announces that on 22 June 2005 it purchased for cancellation
610,000 of its ordinary shares at a price of 224.9910p 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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