National Grid PLC

FTSE 100

1-3 Strand
London
WC2N 5EH
United Kingdom

www.nationalgrid.com

AUDITOR

Deloitte LLP

FINANCIAL PR

Teneo Blue Rubicon

LAW FIRM

Addleshaw Goddard LLP

CMS

DLA Piper LLP

Eversheds Sutherland LLP

Herbert Smith Freehills LLP

Irwin Mitchell

Linklaters

Norton Rose Fulbright LLP

REGISTRAR

Equiniti Limited