Blocklisting Interim Review

Scottish & Southern Energy PLC
06 March 2006


                        BLOCK LISTING SIX MONTHLY RETURN


Information provided on this form must be typed or printed electronically.


To: The FSA


Date: _6th March__2006__

Name of applicant:                       Scottish and Southern Energy plc

Name of scheme:                          Executive Share Option Scheme

Period of return:              From:     1 September     To:    28 February 2006
                                         2005

Balance under scheme from
previous return:                                                         284,254

The amount by which the block scheme has
been increased, if the scheme has been
increased since the date of the last
return:

Number of securities
issued/allotted under
scheme during period:                                                     57,900

Balance under scheme not
yet issued/allotted at end
of period                                                                226,354

Number and class of securities           2,716,133 1 September 2005
originally listed and the date of
admission

Total number of securities
in issue at the end of the
period                                                               860,233,818

Name of contact:                       Anne Sutherland
Address of contact:                    200 Dunkeld Road, Perth PH1 3AQ
Telephone number of contact:           01738 455154


SIGNED BY ________Vincent Donnelly______________________________________

Director/company secretary/suitably experienced employee/duly authorised
officer,

for and on behalf of


________Scottish and Southern Energy plc_______________________________________

Name of applicant


If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.


                        BLOCK LISTING SIX MONTHLY RETURN


Information provided on this form must be typed or printed electronically.


To: The FSA


Date: _____6th March_____2006__

Name of applicant:                       Scottish and Southern Energy plc

Name of scheme:                          SAYE Sharesave Scheme

Period of return:              From:     1 September     To:    28 February 2006
                                         2005

Balance under scheme from
previous return:                                                       2,431,879

The amount by which the block scheme has
been increased, if the scheme has been
increased since the date of the last
return:

Number of securities
issued/allotted under
scheme during period:                                                  1,254,222

Balance under scheme not
yet issued/allotted at end
of period                                                              1,177,657

Number and class of securities           2,716,133 1 September 2005
originally listed and the date of
admission

Total number of securities
in issue at the end of the
period                                                               860,233,818

Name of contact:                       Anne Sutherland
Address of contact:                    200 Dunkeld Road, Perth PH1 3AQ
Telephone number of contact:           01738 455154


SIGNED BY _Vincent Donnelly_____________________________________________

Director/company secretary/suitably experienced employee/duly authorised
officer,

for and on behalf of


_Scottish and Southern Energy plc______________________________________________

Name of applicant


If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.




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