Holding(s) in Company

National Grid Transco PLC
29 April 2005


29th April 2005

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 notification from Franklin Resources, Inc. that, together
with affiliates, including Franklin Mutual Advisers, LLC and Templeton
Worldwide, Inc., it had a notifiable interest in 2.99% of NGT ordinary shares
(92,414,591 shares) at 28 April 2005 (having formerly notified a 3.02% interest
in January 2004).


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