Director/PDMR Shareholding

Scottish & Southern Energy PLC
27 July 2007


                         SCOTTISH AND SOUTHERN ENERGY PLC

PERFORMANCE SHARE PLAN AWARDS

Following notifications made in accordance with DR 3.1.4 (R)(1)(a) and section
324 of the Companies Act 1985, Scottish and Southern Energy plc (the 'Company')
wishes to notify the following changes in the interests of executive directors
and persons discharging managerial responsibility ('PDMR's) in ordinary shares
in the Company ('Shares') arising out of the operation of the Scottish and
Southern Energy plc Performance Share Plan (the 'PSP').

On 26 July 2007, awards over Shares ('Awards') were granted under the PSP to the
following executive directors and PDMRs, as set out below. The number of Shares
stated is the maximum available to each director or PDMR on satisfaction in full
of the performance targets applicable to the Award. The number of Shares under
each Award has been calculated by reference to £14.34, being the mid-market
price for a Share on 26 July 2007.


Executive Director                                  Shares granted under award

Colin Hood                                                              56,485
Ian Marchant                                                            75,313
Alistair Phillips-Davies                                                42,364
Gregor Alexander                                                        42,364

PDMR

Vincent Donnelly                                                        10,002
Paul Isgar                                                              13,729
Graham Juggins                                                           9,414
Anthony Keeling                                                         13,729
Ian Manson                                                              10,198
Mark Mathieson                                                          13,729
Robert McDonald                                                         11,767
Jim McPhillimy                                                          14,121
Adrian Pike                                                             13,729
Brian Smith                                                              9,414
James Smith                                                             11,767
Paul Smith                                                              14,121
Alan Young                                                              11,767

Vesting of these Awards will be conditional on the satisfaction of financial
performance targets and other criteria. The earliest date on which the
participants could normally become entitled to the Shares comprised in the Award
is the date of announcement of results for the financial year ending 31 March
2010, or as otherwise determined by the rules of the PSP.

DEFERRED BONUS SCHEME MATURITY

On 27 July 2007 the Company was notified by the Trustees of the Scottish and
Southern Energy Deferred Bonus Plan ('the Plan') of the following changes in
directors'/PDMRs' interests in the Company's ordinary shares ('the Shares')
arising out of the operation of the Plan.

Awards of Shares under the Plan can be unconditionally released to participants
following the third anniversary of grant ('the Maturity Date').

A) The following directors/PDMRs elected to call for the release of the Shares
set out below following the Maturity Date. On 26 July 2007, sufficient Shares
were sold at £14.30 per share in order to discharge income tax and National
Insurance contribution liabilities arising on their release from the Deferred
Bonus Plan Trust ('the Trust').

Executive director      Shares released         Shares sold at          Shares
                         from the Trust              £14.30 to       remaining
                                               satisfy the tax
                                                     liability

Ian Marchant                     39,937                 16,451          23,486
Gregor Alexander                 18,350                  7,573          10,777

PDMR

Vincent Donnelly                  4,151                  1,724           2,427
Paul Isgar                        4,126                  1,713           2,413
Tony Keeling                      4,385                  1,820           2,565
Ian Manson                        4,126                  1,713           2,413
Mark Mathieson                      989                    414             575
Robert McDonald                   1,721                    719           1,002
Adrian Pike                       4,385                  1,820           2,565
Brian Smith                       3,533                  1,468           2,065
James Smith                       1,782                    744           1,038
Paul Smith                        4,207                  1,747           2,460
Alan Young                        3,666                  1,523           2,143

B) Also, Graham Juggins, PDMR, elected to call for the release of the Shares set
out below following the Maturity Date. On 27 July 2007, sufficient Shares were
sold at £14.18 per share in order to discharge income tax and National Insurance
contribution liabilities arising on their release from the Deferred Bonus Plan
Trust ('the Trust').

PDMR                  Shares released          Shares sold at           Shares
                       from the Trust               £14.18 to        remaining
                                              satisfy the tax
                                                    liability
Graham Juggins                  3,676                   1,527            2,149


The Trustees have transferred the Shares to satisfy these entitlements out of
the Trust.

The executive directors shareholdings are as follows:

Executive director                     Total holding             Total holding
                                      following this           as a percentage
                                        notification              of shares in
                                                                         issue

Ian Marchant                                 118,312                     0.014%
Gregor Alexander                              32,406                     0.004%




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