Transaction in Own Shares

Centrica PLC
19 October 2005



19 October 2005


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


Centrica plc announces that it has today purchased for cancellation 505,579
Ordinary shares at an average price of 234.6321p per share via UBS Limited.


Enquiries


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


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