Director/PDMR Shareholding

Centrica PLC
                  Centrica plc (the 'Company') announces that Directors and other Persons
Discharging Managerial Responsibility acquired shares as follows through the
reinvestment of the Company's interim dividend of 3.15 pence per share paid on
15 November 2006:

(1) Phil Bentley acquired 4,082 ordinary shares on 15 November 2006 at a price
of 345.93 pence under the Centrica Dividend Reinvestment Plan; and

(2) Hill Samuel ESOP Trustees Limited (the 'Trustee'), as Trustee of the
Centrica Share Incentive Plan (the 'Plan'), purchased the following ordinary
shares in the Company at a price of 345.75 pence under the Plan's Dividend Share
scheme on 15 November 2006.

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*T
                                Number                          Aggregate shares held
                                of shares                       beneficially (across all accounts
                                                                following acquisition)
Directors
--------------------------------
Phil Bentley                    34                              460,773
Jake Ulrich                     33                              719,233

Persons Discharging Managerial
 Responsibility
--------------------------------
Grant Dawson                    34                              219,407
Anne Minto                      28                              115,818
*T

Enquiries:

Centrica Media Relations 01753 494085

Centrica Investor Relations 01753 494900