Holding(s) in Company

National Grid PLC
04 October 2006

National Grid plc

4 October 2006



Notification of Interest in National Grid plc ordinary shares;

Pursuant to Section 198 of The Companies Act 1985.



National Grid plc has today received notification from Fidelity International
Limited ('FIL'), that it, and its direct and indirect subsidiaries, no longer
had a notifiable interest in National Grid plc ordinary shares.  FIL's holding
having reduced from its previously notified holding of 3.01% (81,880,668 shares)
to 2.97% (80,816,758 shares).


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