Transaction in Own Shares

Centrica PLC
25 October 2005



25 October 2005


                                  Centrica plc
                              --------------------
                             Purchase of own shares
                             ----------------------

Centrica plc announces that it has today purchased for cancellation 2,000,000
Ordinary shares at an average price of 232.4477p per share via UBS Limited.


Enquiries


Centrica Investor Relations            01753 494900
UBS Limited  Jos Trusted              020 7567 8000



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