11 March 2024

National Grid plc ("National Grid")

Completion of sale of 20% of National Gas

National Grid plc is pleased to announce that it has today completed the sale of a further 20% equity interest in National Gas to the existing majority owners, a consortium of long-term investors led by Macquarie Asset Management, which we announced on 19 July 2023.

Enquiries and contacts

Investors and Analyst:

Nick Ashworth                                     +44 (0) 7814 355 590

Angela Broad                                      +44 (0) 7825 351 918

James Flanagan                                 +44 (0) 7970 778 952

Media:

Molly Neal                                           +44 (0) 7583 102 727

Lyndsey Evans                                   +44 (0) 7714 672 052

About National Gas

National Gas owns and operates the regulated gas National Transmission System ("NTS") in Great Britain, and also owns a regulated gas metering business.