Paragraph 49

The agreement entitled Supplemental Agreement to Subscription and Shareholders' Agreement for St Clements Services Limited and dated 28th June 1990 between Eastern Electricity plc, East Midlands Electricity plc, London Electricity plc, Manweb plc, Midlands Electricity plc, Northern Electric plc, NORWEB plc, SEEBOARD plc, Southern Electric plc, South Wales Electricity plc, South Western Electricity plc, Yorkshire Electricity Group plc and St Clements Services Limited.