Holding(s) in Company

National Grid PLC
26 September 2006

National Grid plc ('National Grid')

26 September 2006



Notification of Interest in National Grid Ordinary Shares;

Pursuant to Sections 198-202 of The Companies Act 1985.



National Grid today received a further notification from Fidelity International
(FMR Corp. and Fidelity International Limited and their direct and indirect
subsidiaries), that its notifiable interest had increased to 3.01% (81,880,668
shares) at 22 September 2006.


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