Holding(s) in Company

Scottish & Southern Energy PLC
26 April 2006


Scottish and Southern Energy plc

Holding (s) in Company


NOTIFICATION UNDER SECTION 198 TO 202 OF THE COMPANIES ACT 1985


The Company was notified on 25 April 2006 that The Capital Group Companies, Inc,
through various legal entities as listed below, has a notifiable interest in
34,855,224 ordinary 50p shares in Scottish and Southern Energy plc, being 4.05%
of the issued share capital of the company.



Legal Entity                                                        15,686,234
Capital Guardian Trust Company                                      13,821,915
Capital International Limited                                        1,987,900
Capital International S.A.                                             959,175
Capital International, Inc                                           2,400,000
Capital Research and Management Company
                                                                     1,707,168
                                                                     1,109,000
Registered Holder                                                      156,700
State Street Nominees Limited                                            5,300
Bank of New York Nominees                                            7,392,400
Northern Trust                                                         338,900
Chase Manhattan Bank Australia Limited                               1,371,600
Chase Nominees Limited                                                  62,000
BT Globenet Nominees Ltd                                                 1,300
Midland Bank plc                                                       601,200
Cede & Co                                                               13,500
Deutsche Bank Mannheim                                                  81,540
Bankers Trust                                                        1,810,450
Barclays Bank                                                           35,600
Brown Bros.                                                             55,400
Nortrust Nominees                                                       22,100
MSS Nominees Limited                                                     2,600
State Street Bank & Trust Co.                                              100
Citibank NA Toronto                                                     84,600
Deutsche Bank AG                                                        15,600
HSBC Bank plc                                                          327,469
Mellon Bank N.A.                                                         3,000
Roy Nominees Limited                                                    25,300
Mellon Nominees (UK) Limited                                           463,407
Bank One London                                                        135,500
HSBC                                                                 2,745,031
JP Morgan Chase Bank                                                 1,690,855
State Street Nominees Limited                                        2,824,000
Bank of New York Nominees                                               82,900
Northern Trust                                                          82,100
Chase Nominees Limited                                                  67,700
Midland Bank plc                                                       236,200
Bankers Trust                                                        1,950,800
Barclays Bank                                                           34,100
Morgan Guaranty                                                      1,187,229
Nortrust Nominees                                                       25,600
MSS Nominees Limited                                                   370,400
State Street Bank & Trust Co.                                           67,900
Lloyds Bank                                                             54,100
Citibank NA Toronto                                                    860,400
Deutsche Bank AG                                                       141,800
Chase Manhattan Nominee Ltd                                            188,800
HSBC Bank plc                                                           70,500
Mellon Bank N.A.                                                       147,300
Northern Trust AVFC                                                      9,400
KAS UK                                                                  68,400
Bank One London                                                        615,600
HSBC                                                                    13,100
JP Morgan Chase Bank                                                    57,700
Raiffeisen Zentral Bank                                                 76,700
Fortis Bank                                                             17,800
Metzier Seel Sohn & Co.                                                 14,200
Nordea Bank                                                              9,500
Bayerische Hypo Und Vereinsbank AG                                     442,300
State Street Nominees Limited                                           65,400
Bank of New York Nominees                                               13,000
Chase Nominees Limited                                                  67,500
Midlands Bank plc                                                        9,900
Barclays Bank                                                           11,600
Pictet & Cie, Geneva                                                   870,500
Nortrust Nominees                                                       36,300
Morgan Stanley                                                          24,100
J.P. Morgan                                                            235,300
State Street Bank and Trust Co                                         154,400
Lloyds Bank                                                             15,000
HSBC Bank plc                                                           18,900
Lombard Odier Et Cie, Geneva                                           305,800
Metzier Seel Sohn & Co                                                  96,275
Credit Suisse, Zurich                                                    5,500
State Street Nominees Limited                                          316,100
Bank of New York Nominees                                                6,900
Northern Trust                                                          15,000
Chase Nominees Limited                                                  92,500
Midland Bank plc                                                        19,200
Bankers Trust                                                            3,100
Nortrust Nominees                                                       42,300
State Street Bank & Trust Co.                                           42,500
Citibank                                                                14,000
Citibank NA Toronto                                                  2,400,000
HSBC Bank plc
JP Morgan Chase Bank
Chase Nominees Limited




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