Transaction in Own Shares

Centrica PLC
05 December 2005



05 December 2005




                                  Centrica plc

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                             Purchase of own shares

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Centrica plc announces that it has today purchased for cancellation 1,000,000
Ordinary shares at an average price of 230.7927p per share via UBS Limited.



Enquiries

Centrica Investor Relations            01753 494900

UBS Limited  Jos Trusted              020 7567 8000

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