Blocklisting application

Blocklisting application

Centrica PLC

11 October 2011

Centrica plc

Blocklisting Application

Application has been made to the Financial Services Authority and the London Stock Exchange Plc for a total of 4,500,000 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 14 October 2011 and that trading will commence 17 October 2011.

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

Scheme	Â	Shares
Share Award Scheme (SAS)		2,500,000
Deferred & Matching Share Scheme (DMSS)		2,000,000

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

Luke Thomas

Deputy Secretary