Total Voting Rights

Total Voting Rights

Centrica PLC

2 August 2010

Centrica plc (‘the Company’)

Total Voting Rights

In conformity with the Disclosure and Transparency Rules (‘the Rules’), we notify the market of the following:

As at 31 July 2010, the issued capital of the Company comprised 5,152,033,047 ordinary shares. All of these shares carry voting rights of one vote per share.

The Company does not currently hold any shares in treasury.

The above figure of 5,152,033,047 may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the Rules.

Pamela Coles

Head of Secretariat

Centrica plc

01753 494 012