Purchase of Own Securities

National Grid Transco PLC
11 February 2003


11 February 2003

                  National Grid Transco - Repurchase of shares

National Grid Transco plc announces that on 10 February it purchased for
cancellation 3,500,000 of its ordinary shares at a price of 398.35 pence per
ordinary share.



Enquiries:

Investors
Marcy Reed                [phone]           [phone](m)
Terry McCormick           [phone]           [phone](m)
Louise Clamp              [phone]           [phone](m)

Media
Jim Willison              [phone]
Gillian Home              [phone]
Clive Hawkins             [phone]



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