Blocklisting Interim Review

Scottish & Southern Energy PLC
05 September 2007


                        BLOCK LISTING SIX MONTHLY RETURN


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


To: The FSA FAX [phone]


Date: _5 September__2007__

AVS No:
Name of applicant:                       Scottish and Southern Energy plc
Name of scheme:                          Executive Share Option Scheme
Period of return:              From:     1 March 2007    To:    31 August 2007
Balance under scheme from
previous return:                                                          87,604
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:                                                            12,970
Balance under scheme not yet
issued/allotted at end of period                                          74,634
Number and class of securities           300,000 Ordinary shares 4 July 2005
originally listed and the date of
admission
Total number of securities in
issue at the end of the period                                       866,096,539

Name of contact:                       Anne Sutherland
Address of contact:                    200 Dunkeld Road, Perth PH1 3AQ
Telephone number of contact:           01738 455165


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: 5 September 2007__

AVS No:
Name of applicant:                       Scottish and Southern Energy plc
Name of scheme:                          SAYE Sharesave Scheme
Period of return:              From:     1 March 2007    To:    31 August 2007
Balance under scheme from
previous return:                                                         155,225
The amount by which the block
scheme has been increased, if
the scheme has been increased
since the date of the last
return:                                                                  200,000
Number of securities
issued/allotted under scheme
during period:                                                            29,914
Balance under scheme not yet
issued/allotted at end of
period                                                                   325,309
Number and class of securities           1,900,000 Ordinary shares 4 July 2005
originally listed and the date of
admission
Total number of securities in
issue at the end of the
period                                                               866,096,539

Name of contact:                       Anne Sutherland
Address of contact:                    200 Dunkeld Road, Perth PH1 3AQ
Telephone number of contact:           01738 455165


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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