Total Voting Rights

National Grid PLC
31 January 2008

31 January 2008



National Grid plc

Voting rights and capital - update

National Grid plc's registered ordinary share capital as at close of 31 January
 2008 consisted of 2,581,913,516 shares, of which 46,151,734 have been purchased
in the market and registered as treasury shares, leaving a balance of
2,535,761,782 shares with voting rights.

The figure of 2,535,761,782 may be used by shareholders as the denominator for
the calculations by which they will determine if they are required to notify
their interests in, or a change to their interest in, National Grid plc under
the Disclosure and Transparency Rules.

Note: This notification confirms actual capital as recorded on the register at
the above date, allowing for changes recorded since the last notification.
National Grid is currently undertaking a share repurchase programme. Where
repurchases are made, separate covering announcements will, as required,
identify numbers being repurchased and the supporting details indicate resultant
share capital after market settlement and transfer to Treasury, or cancellation,
of the shares involved (and any earlier repurchases which remain to be
registered).




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