Holding(s) in Company

Scottish & Southern Energy PLC
24 February 2005


NOTIFICATION UNDER SECTION 198 TO 202 OF THE COMPANIES ACT 1985

Scottish and Southern Energy plc (the Company) was notified on 23 February 2005
that FMR Corp. and its direct and indirect subsidiaries, and Fidelity
International Limited and its direct and indirect subsidiaries, both being non-
beneficial holders, have a notifiable interest in 24,547,955 ordinary shares in
the Company, being 2.86% of the issued share capital of the Company.

The shares are registered as follows:

Nominee/Registered Name                         Management          Shares
                                                Company             Held

State Street Hong Kong                           FIA(K)L            13,100
Bank of New York Europe                          FII                822,851
Master Trust Bank of Japan                       FIJ                102,100
Nomura Trust and Banking                         FIJ                30,400
Trust & Cust Svcs Bk Ltd, Toko                   FIJ                26,230
Bank of New York Brussels                        FIL                69,000
Brown Bros Harrimn Ltd.                          FIL                89,124
Chase Manhttn Bk Ag Frnkfrt                      FIL                283,400
Citibank Na, Hong Kong Br                        FIL                20,800
Ing Luxembourg                                   FIL                22,592
JP Morgan, Bournemouth                           FIL                388,957
National Astl Bk Melbourne                       FIL                429,153
Northern Trust London                            FIL                170,000
RBC Global Services                              FIL                208,100
State Str Bk and Tr Lndn                         FIL                218,760
State Street Bank Australia                      FIL                334,200
State Street T&B Co Ltd Tokyo                    FIL                33,000
Bermuda Trust Far East                           FIM HK             27,900
JP Morgan, Bournemouth                           FISL               6,461,644
Northern Trust                                   FMRCO              110,400
State Street Bank and Tr Co                      FMRCO              7,100
Bank of New York                                 FMTC               281,000
Brown Brothers Harriman and Co                   FMTC               1,222,900
CIBC Mellon Trust                                FMTC               200,921
JPMorgan Chase Bank                              FMTC               559,900
Mellon Bank N.A.                                 FMTC               724,284
Northern Trust Co                                FMTC               1,296,738
Royal Trust - Toronto                            FMTC               24,300
State Street Bank and Tr Co                      FMTC               3,082,167
Bank of New York Brussels                        FPM                1,175,331
Bank of New York Europe                          FPM                89,900
Chase Manhattan London                           FPM                11,100
Chase Manhttn Bk Ag Frnkfrt                      FPM                79,600
Citibank London                                  FPM                146,700
Clydesdale Bank plc                              FPM                91,000
Dexia Privatbank                                 FPM                9,500
HSBC Bank Plc                                    FPM                105,279
JP Morgan, Bournemouth                           FPM                1,084,831
Mellon Bank                                      FPM                246,182
Nordea Bank AB                                   FPM                25,600
Northern Trust London                            FPM                2,206,668
Societe Generale                                 FPM                37,300
State Str Bk and Tr Co Lndn                      FPM                1,956,607
State Street Munich                              FPM                21,336
                                                     GRAND TOTAL    24,547,955



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