Holding in Company

Scottish & Southern Energy PLC
31 December 2001


NOTIFICATION UNDER SECTION 198 OF THE COMPANIES ACT 1985

The Company was notified on 31 December 2001 that Barclays PLC, through its
subsidiary Barclays Bank PLC, has a notifiable interest in 240,910,739
ordinary 50p shares in Scottish and Southern Energy plc, being 3.02% of the
issued share capital of the Company.

The shares are registered as follows:-

Barclays Capital Nominees Limited                   614,119
Bank of Ireland Nominees Limited                     38,780
Bank of Ireland Nominees Limited                    184,487
Dematerialised                                       18,805
Chase Nominees Limited                              224,669
Chase Nominees Limited                               52,489
Chase Nominees Limited                            1,177,430
Chase Nominees Limited                               82,683
Chase Nominees Limited                              157,622
Chase Nominees Limited                              290,701
Chase Nominees Limited                              200,106
Chase Nominees Limited                            7,924,726
Chase Nominees Limited                            1,959,748
Chase Nominees Limited                              613,764
Chase Nominees Limited                            5,574,151
DEM69                                                 1,985
Barclays Bank Trust Co Ltd (& 3rd party nominee)      2,183
Barclays Bank Trust Co Ltd as executor                5,517
Unknown                                               1,000
Chase Manhattan Bank London                       4,172,145
Twenty nine Gracechurch St Nominees Ltd a/c 5781D     6,593
Twenty Nine Gracechurch St Nominees Ltd a/c 5782A 2,108,341
US-CEDE & Co UK - Chase Nominees Ltd                  6,083
Barclays Bank Trust Company Ltd                         528
Unknown                                             474,574
Unknown                                               6,792
Unknown                                              17,756
Unknown                                               6,424
Unknown                                              11,135
Unknown                                               7,069
Unknown                                               3,049         
Barclays Bank trust Co Ltd and another                  993
                                                 ----------
                                                 25,946,447