Director/PDMR Shareholding

Centrica PLC
                  

2 October 2008

                           Director/PDMR shareholding

Notification of Directors' Interests in Shares

Following a regulatory enforced prolonged period prohibited from dealing in the
shares of the Company notification has been received of the following
transactions in Ordinary 6 14/81 pence shares of Centrica plc as follows:

Deryk King

On 1 October 2008, Deryk King, a PDMR of the Company, sold 100,000 Centrica plc

Ordinary 6 14/81 pence shares in the Company at a price of 317p per share. His
total interest in shares following this transaction was 219,898 shares (0.006%
of the issued share capital).

The Company was notified of the transaction, which took place in London, on 1
October 2008.

Grant Dawson

On 2 October 2008, Grant Dawson, a PDMR of the Company, sold 643,086 Ordinary 6
14/81 pence shares in the Company at a price of 320p per share following an
exercise of executive share options as detailed below. His total interest in
shares following this transaction was 331,827 shares (0.009% of the issued share
capital).

375,170 shares granted on 24 March 2003 at an option price of 146.6p

267,916 shares granted on 18 March 2004 at an option price of 223.95p

The Company was notified of the transaction, which took place in London, on 2
October 2008.

Disclosure in accordance with Rule 2.10 of the City Code

In accordance with Rule 2.10 of the City Code on Takeovers and Mergers, Centrica
plc confirms that at the close of business on 2 October 2008, it had
3,713,227,305 ordinary shares of 6 14/81p each in issue. The ISIN reference for
the shares is GB00B033F229.

ENQUIRIES:

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Pamela Coles
01753 494006
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