Blocklisting Interim Review

Scottish & Southern Energy PLC
31 August 2006


                        BLOCK LISTING SIX MONTHLY RETURN


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


To: The FSA FAX [phone]


Date: 31 August 2006

AVS No:

Name of applicant:                       Scottish and Southern Energy plc

Name of scheme:                          Executive Share Option Scheme

Period of return:              From:     1 March 2006    To:    31 August 2006

Balance under scheme from
previous return:                                                         226,354

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:                                                            52,500

Balance under scheme not yet
issued/allotted at end of period                                         173,854

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                                       860,348,784

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: 31 August_____2006__

AVS No:

Name of applicant:                       Scottish and Southern Energy plc

Name of scheme:                          SAYE Sharesave Scheme

Period of return:              From:     1 March 2006    To:    31 August 2006

Balance under scheme from
previous return:                                                       1,177,657

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:                                                            51,355

Balance under scheme not yet
issued/allotted at end of
period                                                                 1,126,302

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                                       860,348,784

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.




                      This information is provided by RNS
            The company news service from the London Stock Exchange
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