NATIONAL GRID PLC

National Grid plc announced the issuance of U.S.$750,000,000 in 5.405% Notes due 2036. This filing, a Form 6-K, is solely for the purpose of incorporating related documents into the company's Registration Statement on Form F-3. The exhibits include the Underwriting Agreement and the Third Supplemental Indenture.

National Grid plc announced the scrip dividend reference price for its 2025/26 final dividend. The reference price for ordinary shares is 1,197.70 pence, calculated as the average closing mid-market price over five dealing days. For American Depositary Receipt (ADR) holders, the scrip ADR reference price is US$80.5453. The final dividend amount declared was 32.14 pence per ordinary share and $2.1738 per ADR, with payment scheduled for July 23, 2026.

National Grid plc announced that Jonathan Silver will not be seeking re-election at the Company's Annual General Meeting on July 14, 2026, and will consequently step down from the Board. Silver has served as a Non-executive Director for seven years since May 2019. Paula Reynolds, Chair of National Grid, expressed appreciation for his contributions and unique perspectives, particularly his deep experience in the energy sector.

National Grid plc announced the publication of its Annual Report and Accounts 2025/26, along with its Annual Report on Form 20-F 2025/26 and the Notice of 2026 Annual General Meeting (AGM). These documents are available on the company's website and have been submitted to regulatory bodies. The company's 2026 AGM is scheduled for Tuesday, July 14, 2026, at 11:00 am, and will be conducted as a hybrid meeting.

National Grid plc announced that BlackRock, Inc. has increased its total interest in the company's voting ordinary shares to 8.42%, representing 419,793,494 voting rights, as of May 22, 2026. This includes both direct holdings and voting rights through various financial instruments. Additionally, several Persons Discharging Managerial Responsibilities (PDMRs), including the CFO, Chair, and Non-executive Directors, made individual share and American Depositary Share purchases throughout May 2026. The company also provided an update on its total voting rights, which stood at 4,975,547,000 as of April 30, 2026.

National Grid announced strong full-year results for FY2026, with underlying EPS increasing 8% at constant currency to 78.0p and statutory EPS up 9% to 65.5p. The company achieved record capital investment of £11.6 billion, an 18% increase, driving 10.9% asset growth. National Grid also outlined an ambitious five-year financial framework, committing at least £70 billion in capital investment to modernize and expand energy networks, targeting 8-10% underlying EPS growth and around 10% asset growth CAGR. For FY2026/27, the company expects a 13-15% increase in underlying EPS.

National Grid plc updated its total voting rights to 4,973,426,832 ordinary shares as of March 31, 2026, after accounting for 225,541,858 treasury shares. Additionally, the company reported transactions by Persons Discharging Managerial Responsibilities (PDMRs). CFO Andy Agg purchased 11 partnership shares on April 7, 2026, at GBP 13.1892 each. Separately, Jacqueline Agg, a closely associated person, acquired shares through dividend reinvestment across four dates between August 2024 and January 2026.