Director’s Other Appointment

27 April 2023

National Grid plc ('National Grid' or 'Company')

Director's Other Appointment

In accordance with 9.6.14R of the Listing Rules of the UK Financial Conduct Authority, Iain Mackay, an independent Non-executive Director of National Grid, will join the Board of Schroders plc as a Non-executive Director with effect from 1 January 2024.

Pritti Patel

General Counsel, Corporate and Deputy Company Secretary