Transaction in Own Shares

Centrica PLC
08 December 2005


08 December 2005

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

Centrica plc announces that it has today purchased for cancellation 1,000,000
Ordinary shares at an average price of 236.5111p per share via UBS Limited.

Enquiries

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

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