National Grid (NGG) 6-K Current report (foreign)

EXHIBIT 99.1

SUMMARY

FORM 6-K

SECURITIES AND EXCHANGE COMMISSION

Washington D.C. 20549

Report of Foreign Issuer

Pursuant to Rule 13a - 16 or 15d - 16 of

The Securities Exchange Act of 1934

Announcements sent to the London Stock Exchange

National Grid plc, 1-3 Strand, London, WC2N 5EH, United Kingdom

Update - Routine announcements in the period to 16 February 2021

9 February 2021	Director/PDMR Shareholding
2 February 2021	Director/PDMR Shareholding
1 February 2021	Total Voting Rights
21 January 2021	Grid Guide to the Future of Gas: ESG virtual event
20 January 2021	Director/PDMR Shareholding
20 January 2021	Publication of Final Terms

Note: During the period a ‘same day’ Form 6-Ks were issued in respect of the following National Grid plc announcements:

28 January 2021 Board Committee Changes