Director/PDMR Shareholding

National Grid PLC
02 February 2007

2 February 2007



National Grid plc (the 'Company')



Director dealing in shares



The Company today received notification that Steve Lucas, Finance Director, had
earlier today sold 40,000 ordinary shares in the Company in London, at a price
of £7.75 each.  He continues to be beneficially interested in 69,412 ordinary
shares.






                      This information is provided by RNS
            The company news service from the London Stock Exchange           EFMESWSEEE