Holding(s) in Company

Scottish & Southern Energy PLC
17 November 2004


NOTIFICATION UNDER SECTION 198 TO 202 OF THE COMPANIES ACT 1985

The Company was notified on 16 November 2004 that Barclays plc, through various
legal entities as listed below, has a notifiable interest in 34,578,541 ordinary
50p shares in Scottish and Southern Energy plc, being 4.03% of the issued share
capital of the company.

Legal Entity
Barclays Global Investors Japan Ltd                 244,435
Barclays Life Assurance Co Ltd                    1,092,209
Barclays Bank Trust company Ltd                      23,803
Barclays Global Fund Advisors                     1,582,785
Barclays Private Bank and Trust Ltd                     450
Barclays Global Investors Australia Ltd             321,617
Barclays Private Bank Ltd                            69,610
Barclays Global Investors Japan Trust & Banking     853,424
Gerrard Ltd                                       1,368,101
Barclays Private Bank and Trust Ltd                  18,938
Barclays Global Investors Ltd                    19,107,907
Barclays Global Investors, N.A.                   9,895,262

       Group Holding                             34,578,541



Registered Holder

Bank of Ireland                             154,814
Barclays Trust Co & Others                    1,485
Barclays Trust Co DMC69                      13,400
Barclays Trust Co R69                         8,918
CHASE NOMINEES LTD                          475,943
CHASE NOMINEES LTD                        9,160,695
CHASE NOMINEES LTD                          281,803
CIBC MELLON GLOBAL SECURITIES                11,919
Clydesdale Nominees HGB0125                   2,920
Clydesdale Nominees HGB0125                   1,270
Clydesdale Nominees HGB0125                   4,230
Clydesdale Nominees HGB0125                   6,660
Clydesdale Nominees HGB0125                   1,640
Clydesdale Nominees HGB0125                   1,000
Clydesdale Nominees HGB0125                   1,218
INVESTORS BANK AND TRUST CO.                 10,401
INVESTORS BANK AND TRUST CO               1,189,020
INVESTORS BANK AND TRUST CO                 212,952
INVESTORS BANK AND TRUST CO                 146,060
INVESTORS BANK AND TRUST CO                  24,352
INVESTORS BANK AND TRUST CO                 252,445
INVESTORS BANK AND TRUST CO               4,291,268
INVESTORS BANK AND TRUST CO                  61,796
INVESTORS BANK AND TRUST CO               1,634,217
INVESTORS BANK AND TRUST CO                 208,470
INVESTORS BANK AND TRUST CO                   9,602
INVESTORS BANK AND TRUST CO                 205,311
INVESTORS BANK AND TRUST CO                  16,878
INVESTORS BANK AND TRUST CO               1,195,275
INVESTORS BANK AND TRUST CO                 529,868
JP MORGAN (BGI CUSTODY)                     288,562
JP MORGAN (BGI CUSTODY)                      55,586
JP MORGAN (BGI CUSTODY)                     463,948
JP MORGAN (BGI CUSTODY)                      81,570
JP MORGAN (BGI CUSTODY)                     104,488
JP MORGAN (BGI CUSTODY)                      31,795
JP MORGAN (BGI CUSTODY)                      52,156
JP MORGAN (BGI CUSTODY)                   8,738,597
JP MORGAN (BGI CUSTODY)                      14,104
JP MORGAN (BGI CUSTODY)                     450,869
JPMORGAN CHASE BANK                          55,054
JP Morgan Chase Bank                          6,023
JP Morgan Chase Bank                          9,213
JP Morgan Chase Bank                         92,280
JP Morgan Chase Bank                         15,311
JP Morgan Chase Bank                         36,775
JP Morgan Chase Bank                        433,504
JP Morgan Chase Bank                          7,168
JP Morgan Chase Bank                        105,287
JP Morgan Chase Bank                        106,010
JP Morgan Chase Bank                          8,727
JP Morgan Chase Bank                         23,337
JP Morgan Chase Bank                         25,025
JPMORGAN CHASE BANK                          26,035
JPMORGAN CHASE BANK                         135,685
JPMORGAN CHASE BANK                         185,932
Mellon Trust - Boston & SF                   88,556
Mellon Trust - Boston & SF                  133,161
MELLON TRUST OF NEW ENGLAND                 111,689
Mitsubishi Trust International                5,010
NORTHERN TRUST BANK - BGI SEPA              144,962
NORTHERN TRUST BANK - BGI SEPA               26,188
NORTHERN TRUST BANK - BGI SEPA               99,269
R C Greig Nominees Limited a/c              304,605
R C Greig Nominees Limited a/c              150,977
R C Greig Nominees Limited GP1              665,971
R C Greig Nominees Limited SA1              246,548
Reflex Nominees Limited                         450
State Street                                 14,321
STATE STREET BOSTON                         757,711
STATE STREET BOSTON                          74,164
WELLS FARGO SEATTLE - WIRE BAN               16,478
ZEBAN NOMINEES LIMITED                       69,610

                TOTAL                    34,578,541



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