Holding in Company

Scottish & Southern Energy PLC 11 December 2001 NOTIFICATION UNDER SECTION 198 TO 202 OF THE COMPANIES ACT 1985 The Company was notified on 10 December 2001 that The Prudential Assurance Company Limited no longer had a notifiable interest in the issued share capital of Scottish and Southern Energy plc. Notwithstanding the above, certain companies within the Prudential Plc group of companies continue to have a notifiable interest in 25,936,875 ordinary shares of 50p each, being 3.01% of the issued share capital of the Company. The shares are registered as follows: PRUCLT HSBC GIS NOM(UK) PAC AC 25,447,212 PRUCLT HSBC GIS NOM (UK) PPL AC 110,000 PRUDENTIAL EUROPEAN INDX TRACK 2,368 PRUDENTIAL UK INDEX TRACKER TS 3,412 ROY NOMINEES 578079 172,480 ROY NOMS LTD 578141 201,403 ---------- 25,936,875

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