Institutional shareholder enquiries: UK shareholders (through Capita Registrars): Email: nationalgrid@capitaregistrars.com Tel: +44 871 402 3344* (from outside the UK +44 (0) 20 7098 1198)
*Lines open 8.30am – 5.30pm, Monday-Friday. Calls cost 8p per minute plus network extras.
US American Depository Shares (ADR or ADS, through Bank of New York Mellon): Email: shrrelations@mellon.com Tel: +1 800 466 7215 (from outside the US +1 201 680 6825)
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