Holding(s) in Company

National Grid Transco PLC
08 May 2003



8 May 2003

National Grid Transco plc (NGT)

Notification of Interest in NGT Ordinary Shares,

Pursuant to Section 198 of The Companies Act 1985

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NGT today received a further notification from The Capital Group Companies,
Inc., that its notifiable interest increased to 7.00% (215,635,632 shares) at 6
May 2003 (previously 6.02% at 12 November 2002).


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