Director/PDMR Shareholding

National Grid PLC
16 November 2007



National Grid plc ('National Grid')

16th November 2007


Directors' interests in National Grid plc (NG.) Ordinary Shares

Late yesterday, 15th November 2007, Bob Catell purchased a holding of 2,000 ADRS
at $80.33 each (equivalent to 10,000 ordinary shares).




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