Purchase of Own Securities

National Grid Transco PLC
24 February 2003

24 February 2003

                  National Grid Transco - repurchase of shares

National Grid Transco plc announces that on Friday 21 February it purchased for
cancellation 455,000 of its ordinary shares at a price of 417.69 pence per
ordinary share.

Enquiries:

Investors
Marcy Reed                 [phone]                    [phone](m)

Terry McCormick            [phone]                    [phone](m)

Louise Clamp               [phone]                    [phone](m)

Media
Gillian Home               [phone]

Jim Willison               [phone]

Clive Hawkins              [phone]


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