Director/PDMR Shareholding

National Grid PLC
28 December 2007


28 December 2007

National Grid plc (NG)

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Directors' Interests

(Sharesave Scheme - Grant of options)

Yesterday, options were granted to eligible group employees under the Employee
Sharesave Scheme, in the sixth invitation under the Scheme. The following
executive directors were included:

National Grid Ordinary shares at option price of 655p per share

Sharesave Option Granted To:    Number of NG             Exercise Period     Total interest Now
                                      Shares

Steve Holliday                         2,564  6 months from 1 April 2013                796,880


Mark Fairbairn                           512  6 months from 1 April 2013                357,699


Contact: D C Forward, Assistant Secretary (0207 004 3226)


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