Transaction in Own Shares

Centrica PLC
14 December 2004


Centrica plc


Repurchase of shares


Centrica plc announces that on 14 December 2004 it purchased for cancellation
2,850,000 of its ordinary shares at a price of 230.0227p per share from Morgan
Stanley & Co. International Limited.


Enquiries

Kath Kyle             Centrica plc                                  01753 494902
Jon Bathard-Smith     Morgan Stanley & Co. International Limited   020 7425 8000


                      This information is provided by RNS
            The company news service from the London Stock Exchange