Purchase of Own Securities

National Grid Transco PLC
12 February 2003


12 February 2003


                  National Grid Transco - Repurchase of shares

National Grid Transco plc announces that on 11 February it purchased for
cancellation 730,000 of its ordinary shares at a price of 415.63 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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