Transaction in Own Shares

Centrica PLC
07 March 2005

Centrica plc

Repurchase of shares

Centrica plc announces that on 7 March 2005 it purchased for cancellation
2,500,000 of its ordinary shares at a price of 234.7521p per share from JPMorgan
Cazenove Limited

Enquiries

Kath Kyle  Centrica plc   01753 494902

Jonathan Wilcox  JPMorgan Cazenove Limited  020 7588 2828



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