Block Listing Application

Block Listing Application

Centrica PLC

29 March 2010

Centrica plc

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Application has been made to the Financial Services Authority and the London Stock Exchange Plc for a total of 3,500,000 ordinary shares of 6 ¹⁴/₈₁ pence each ("shares") to be admitted to the Official List.

It is expected that admission will be granted on 31 March 2010 and that trading will commence 1 April 2010.

These shares are being reserved under a block listing and will be issued as a result of the award of shares pursuant to the following scheme:

Scheme	Â	Â	Shares
Centrica Deferred and Matching Share Scheme			3,500,000

When issued, these shares will rank pari passu with the existing ordinary shares.

Luke Thomas
Deputy SecretaryDeputy Secretary