Holding in Company

National Grid Group PLC
17 September 2001



National Grid Group plc ('National Grid')

Notification of Interest in National Grid Ordinary Shares,
Pursuant to Sections 198 to 208 of The Companies Act 1985
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National Grid last Friday received a notification
from Barclays PLC.

Barclays PLC informed National Grid that, through its
subsidiary Barclays Bank PLC, it had a notifiable interest
in 3.19% of NGG ordinary shares as at 5 September 2001.