Holding in Company

Scottish & Southern Energy PLC
12 December 2001

NOTIFICATION UNDER SECTION 198 TO 202 OF THE COMPANIES ACT 1985

The Company was notified on 11 December 2001 that Barclays PLC, through its
subsidiary Barclays Bank PLC, had a notifiable interest in 25,950,912 ordinary
shares of 50p each in Scottish and Southern Energy plc, being 3.2% of the
issued share capital of the Company.

The shares are registered as follows:

Barclays Capital Nominees Limited                     744,634
Bank of Ireland Nominees Limited                       38,780
Bank of Ireland Nominees Limited                      180,877
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                              7,968,488
Chase Nominees Limited                              1,959,748
Chase Nominees Limited                                446,206
Chase Nominees Limited                              5,573,335
DEM69                                                   1,890
Barclays Bank Trust Co Ltd & third party nominee        1,900
Barclays Bank Trust Co Ltd as executor                  5,261
Unknown                                                 1,000
Chase Manhattan Bank London                         4,029,387
Twenty nine Gracechurch St Nominees Ltd a/c 5782A   2,292,263
Unknown                                               459,834
Unknown                                                 6,792
Unknown                                                13,853
Unknown                                                 5,285
Unknown                                                 6,756
Unknown                                                 7,069
Unknown                                                 3,049
                                                   ----------
                                                   25,950,912