Transaction in Own Shares

Transaction in Own Shares

Centrica plc

28 June 2013

Centrica plc

Close Period Share Repurchase Programme

Centrica plc (the Company) announces that it has commenced an irrevocable, non-discretionary programme managed by an independent third party to purchase its ordinary shares on its own behalf, for putting into treasury, during a close period. The programme commences on 1 July 2013 and runs up to and including 31 July 2013.

Any acquisitions will be effected within certain pre-set parameters, and in accordance with both the Company’s general authority to repurchase ordinary shares and Chapter 12 of the Listing Rules which requires that the maximum price paid to be limited to no more than 105 per cent of the average middle market closing price of the Company’s shares for the 5 dealing days preceding the date of purchase. The Company confirms that it currently has no unpublished price sensitive information.

Nicola Carroll

Head of Company Secretarial Services

01753 494000

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