National Grid PLC has successfully completed a Rump Placing following the announcement of valid acceptances under the fully underwritten 7 for 24 Rights Issue. Barclays Bank PLC and J.P. Morgan Securities plc have procured subscribers for all the New Ordinary Shares for which valid acceptances were not received, representing approximately 9% of the total number of New Ordinary Shares to be issued. The Placing Price for the New Ordinary Shares is 835 pence per share. The net proceeds from the placing of such New Ordinary Shares will be paid to those Shareholders whose rights have lapsed in accordance with the terms of the Rights Issue. The company has provided contact information for further inquiries.