National Grid PLC announced that Shannon J Soland, the Interim Group Chief Information & Digital Officer, conducted a transaction under the National Grid US Employee Stock Purchase Plan. The transaction involved the monthly purchase of American Depository Shares at a price of $57.771849 per share, totaling 42.906710 shares. The transaction took place on April 1, 2024. This notification is in compliance with Article 19 of the Market Abuse Regulation.