2 October 2012
National Grid plc (National Grid)
Voting Rights and Capital update
National Grid has been notified that today 36,687 shares held in treasury were transferred to share scheme participants. Following this change, National Grid's registered capital from 2 October 2012 consists of 3,768,040,842 ordinary shares, of which 129,978,408 are held as treasury shares; leaving a balance of 3,638,062,434 shares with voting rights.
The figure of 3,638,062,434 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 under the FSA's Disclosure and Transparency Rules.
D C Forward
Assistant Secretary
0207 004 3226