Transaction in Own Shares

Centrica PLC
07 October 2005



07 October 2005


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


Centrica plc announces that it has today purchased for cancellation 1,000,000
Ordinary shares at a price of 244.6055p per share via UBS Limited.


Enquiries


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


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