Result of AGM

Centrica PLC
                  

Annual General Meeting - voting results and proxy appointments

At the Centrica plc annual general meeting held earlier today (19 May 2006) the
following resolutions were proposed by the Chairman and passed by shareholders
on a show of hands. Proxies were received by the Company from shareholders prior
to the meeting as follows:

Resolution 1:

Report and Accounts

To receive the Accounts and Reports of the Directors and the Auditors for the
Company for the year ended 31 December 2005.
For:                                         99.73% of votes cast
Against:                                     0.27% of votes cast
Total proxy votes cast:                      55.33% of shares in issue

Resolution 2:

Remuneration Report

To approve the Remuneration Report for the year ended 31 December 2005.

For:                                         97.13% of votes cast
Against:                                     2.87% of votes cast
Total proxy votes cast:                      52.12% of shares in issue

Resolution 3:

Dividend

To approve a final dividend of 7.4 pence per ordinary share to those
shareholders on the register of members at close of business on 28 April 2006.
For:                                         99.99% of votes cast
Against:                                     0.01% of votes cast
Total proxy votes cast:                      56.81% of shares in issue

Resolution 4:

Re-election of Director

To re-elect Sir Roy Gardner as a Director of the Company.

For:                                         99.45% of votes cast
Against:                                     0.55% of votes cast
Total proxy votes cast:                      56.82% of shares in issue

Resolution 5:

Election of Director

To re-elect Helen Alexander as a Director of the Company.

For:                                         99.41% of votes cast
Against:                                     0.59% of votes cast
Total proxy votes cast:                      56.82% of shares in issue

Resolution 6:

Election of Director

To re-elect Paul Walsh as a Director of the Company.

For:                                         98.94% of votes cast
Against:                                     1.06% of votes cast
Total proxy votes cast:                      56.83% of shares in issue

Resolution 7:

Election of Director

To elect Andrew Mackenzie as a Director of the Company.

For:                                         99.44% of votes cast
Against:                                     0.56% of votes cast
Total proxy votes cast:                      56.83% of shares in issue

Resolution 8:

Reappointment of Auditors

To reappoint PricewaterhouseCoopers LLP as Auditors of the Company, to hold
office until the conclusion of the next General Meeting at which accounts are
laid.
For:                                         99.05% of votes cast
Against:                                     0.95% of votes cast
Total proxy votes cast:                      56.03% of shares in issue

Resolution 9:

Auditors' Remuneration

To authorise the Directors to determine the Auditors' remuneration.

For:                                         99.37% of votes cast
Against:                                     0.63% of votes cast
Total proxy votes cast:                      56.83% of shares in issue

Resolution 10:

Political donations and expenditure

Authority for the Company to make donations to European Union political
organisations not exceeding £125,000 in total and to incur EU political
expenditure, not exceeding £125,000 in total.
For:                                         97.05% of votes cast
Against:                                     2.95% of votes cast
Total proxy votes cast:                      55.87% of shares in issue

Resolution 11:

Authority to allot shares

Authority under Section 80 of the Companies Act 1985, for the Directors of the
Company to allot unissued shares up to a nominal value of £51,612,016.
For:                                         99.26% of votes cast
Against:                                     0.74% of votes cast
Total proxy votes cast:                      56.83% of shares in issue

Resolution 12:

Authority to disapply pre-emption rights

Authority under the Company's Articles of Association for the Directors to allot
unissued share capital without first offering shares to existing shareholders in
proportion to their existing holdings.
For:                                         97.88% of votes cast
Against:                                     2.12% of votes cast
Total proxy votes cast:                      56.83% of shares in issue

Resolution 13:

Authority to purchase own shares

Authority for the Company to purchase its own shares, subject to a limit of 10%
of the present issued share capital.
For:                                         99.67% of votes cast
Against:                                     0.33% of votes cast
Total proxy votes cast:                      56.81% of shares in issue

Resolution 14:

Authority to establish the Centrica Long Term Incentive Scheme 2006

For:                                         96.04% of votes cast
Against:                                     3.96% of votes cast
Total proxy votes cast:                      55.45% of shares in issue

Resolution 15:

Authority to establish the Centrica Deferred and Matching Scheme 2006

For:                                         98.50% of votes cast
Against:                                     1.50% of votes cast
Total proxy votes cast:                      56.09% of shares in issue

Resolution 16:

Authority to establish the Centrica Share Award Scheme 2006

For:                                         99.34% of votes cast
Against:                                     0.66% of votes cast
Total proxy votes cast:                      56.79% of shares in issue

Resolution 17:

Authority to establish the Centrica Sharesave Scheme 2006

For:                                         99.11% of votes cast
Against:                                     0.89% of votes cast
Total proxy votes cast:                      56.81% of shares in issue

Note to the disclosure

Any proxy appointments which gave discretion to the Chairman have been included
in the 'for' total.