Director Shareholding

National Grid Group PLC
30 May 2002

National Grid Group plc (National Grid)

30 May 2002



Notification of Directors' Interests

The Trustee of National Grid's USA Incentive Thrift Plan notified National Grid
yesterday that:

Mr W E Davis' interests in NGG shares were increased by the following purchases:

64 Ordinary Share ADRs on 28 February 2002 at $32.50 per ADR.

51 Ordinary Share ADRs on 28 March 2002 at $32.70 per ADR.

This is in addition to the 2,189 ADRs previously notified on his appointment to
National Grid, on 11 February 2002 and increases his total interest to 2,304
ADRs (equivalent to 11,520 ordinary shares).


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