Purchase of Own Securities

National Grid Transco PLC
28 February 2003


Announcement Dated: 28 February 2003



                  National Grid Transco - repurchase of shares

National Grid Transco plc announces that on 27 February 2003 it purchased for
cancellation 750,000 of its ordinary shares at a price of 404.6599 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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