Holding(s) in Company

National Grid PLC
24 February 2006

National Grid plc (NG)
24 February 2006

Notification of Interest in NG Ordinary Shares,
Pursuant to Section 198 of The Companies Act 1985

National Grid yesterday received notification from The Capital Group Companies,
Inc., that its notifiable interest had decreased to 5.85% (158,845,806 shares)
at 21 February 2006.


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