Director/PDMR Shareholding

Centrica PLC
                  

29 September 2008

                           Director/PDMR shareholding

Notification of Directors' Interests in Shares

On 26 September 2008, following a regulatory enforced prolonged period
prohibited from dealing in the shares of the Company, Anne Minto, a PDMR of the
Company, sold Centrica plc ordinary 6 14/81 pence shares. Further details of the
transaction are provided below:

-0-
*T
                         Number of         Sale price        Total interest following
                         shares sold                          notification
------------------------ ----------------- ----------------- ------------------------
Anne Minto               83,460            325.25p           113,242
------------------------ ----------------- ----------------- ------------------------
*T

The Company was notified of the transaction, which took place in London, on 26
September 2008.

On 31 March 2008 Centrica announced the appointment of Mark Hanafin as Managing
Director Centrica Energy & Europe and as a Board Director of Centrica plc with
effect from 14 July 2008.

In accordance with Mark Hanafin's terms of appointment he was granted the
following one-off share option and awards over Centrica plc ordinary 6 14/81
pence shares on 26 September 2008. The awards have been granted in order to
replace prior awards from his previous employer.

1. An option over 299,130 shares at an option price of 287.5p under the Rules of
the Centrica Special Executive Share Option Scheme 2008. The award is not
subject to any performance condition and is exercisable for a period of 10 years
from the date of grant.

2. An award of 167,596 shares under the Rules of the Centrica Special Long Term
Incentive Scheme 2008. Of this award 83,798 shares will vest in February 2009
and 83,798 shares will vest in February 2010 provided Mark Hanafin remains in
employment with Centrica plc until the respective vesting dates. There are no
performance conditions attaching to the award.

The closing middle market price of Centrica shares on 26 September 2008 was
326.75p. The option and awards will be satisfied by market purchased shares.

Following the above awards Mark Hanafin had a total interest over 798,234
Centrica plc ordinary 6 14/81 pence shares.

Enquiries:

Centrica Media Relations: 0845 072 8001
Centrica Investor Relations: 01753 494900

Notes to Editors:

Mark Hanafin joined Centrica on 14 July 2008 from Shell, where he was President
and Chief Executive Officer of Shell Energy North America based in Houston.

Mr Hanafin was at Shell for 21 years, holding a number of senior management
roles in marketing, trading and supply chain management before promotion to a
role which covered responsibilities in both the USA and Europe. Mr Hanafin is a
Chartered Engineer with a First Class Honours degree from Brunel University.