Medium Term Note Programme

National Grid PLC
19 March 2007



                             National Grid plc

                        EURO MEDIUM TERM NOTE PROGRAMME

National Grid plc announces that it has today issued EUR 100,000,000 3.25 per
cent. Instruments due 2009 Series No 45, as part of the National Grid plc and
National Grid Electricity Transmission plc Euro 12,000,000,000 Euro Medium Term
Note Programme.


19 March 2007


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Andrew Kluth             020 7004 3365






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