Transaction in Own Shares

Centrica PLC
10 October 2005



10 October 2005

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


Centrica plc announces that it has today purchased for cancellation 2,000,000
Ordinary shares at a price of 246.7283p per share via UBS Limited.


Enquiries

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


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