Total Voting Rights

National Grid PLC
03 December 2007


Monday 3 December 2007


National Grid plc (National Grid)


Voting Rights and Capital update


National Grid was notified late on Friday 30 November that 10,030 shares held in
Treasury were transferred to share scheme participants. Following this change,
National Grid plc's registered capital consists of 2,581,913,516 ordinary
shares, of which 19,656,174 have been purchased in the market and registered as
Treasury Shares; leaving a balance of 2,562,257,342 shares with voting rights.


The figure of 2,562,257,342 may be used by shareholders as the denominator for
the calculations by which they will determine if they are required to notify
their interest in, or a change to their interest in, National Grid plc under the
FSA's 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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