Holding(s) in Company

National Grid PLC
02 October 2007





National Grid plc (NG.)



2 October 2007



Notification of Major Interest in NG. Ordinary Shares



NG late yesterday received from Legal & General Group Plc (L&G) a further
Notification; that L&G's total interest was in 4.55% of NG voting ordinary
shares (118,418,401 shares) at 27 September 2007 (having previously notified a
5.02% interest at 8 August 2007).



This notice is given in fulfilment of National Grid plc's obligation under the
DTR requirements.


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