Transaction in Own Shares

LONDON--(BUSINESS WIRE)--

Centrica plc

4 March 2013

Share Repurchase Programme

Centrica plc announces that on 1 March 2013, it purchased (through UBS Limited) 1,000,000 (one million) Centrica plc ordinary shares at an average price of 354.1116 pence per share. The highest price and the lowest price paid for these shares were 355.7 pence and 351.3 pence respectively.

The purchased shares will be held as treasury shares. Following the above purchase, Centrica plc holds 2,000,000 ordinary shares in treasury and has 5,197,580,450 ordinary shares in issue (excluding treasury shares).

Nicola Carroll

Head of Company Secretarial Services

01753 494000

END