Director/PDMR Shareholding

National Grid PLC
23 May 2006


23 May 2006

National Grid plc ('National Grid')

Directors' Share Purchase

------------------------------------------


Sir John Parker, Chairman of National Grid, today purchased a further 8,000 NG.
Ordinary shares at 572.32p per share.

This takes his total holding to 63,832 NG. Ordinary shares.


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