Purchase of Own Securities

Centrica PLC
19 August 2004

Centrica plc

Repurchase of shares

Centrica plc announces that on 19 August 2004 it purchased for cancellation
1,800,000 of its ordinary shares at a price of 241.4921p per share from Cazenove
& Co. Ltd

Enquiries

Kath Kyle  Centrica plc   01753 494902

Jonathan Wilcox  Cazenove & Co. Ltd  020 7588 2828



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