Transaction in Own Shares

Centrica PLC
30 November 2005


30 November 2005

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

Centrica plc announces that it has today purchased for cancellation 253,065
Ordinary shares at a price of 230p per share via UBS Limited.

Enquiries

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


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