National Grid PLC and National Grid Electricity Transmission PLC have released a prospectus for their Euro 20,000,000,000 Euro Medium Term Note Programme. The prospectus has been approved by the Financial Conduct Authority and is available for public viewing. It can be accessed through a specific URL or the National Storage Mechanism. The document contains information intended for residents of specific countries and should not be relied upon by individuals outside of these countries. For further details, contact Kwok Liu, Deputy Treasurer, Funding & Investment, or Danielle Dominey-Kent, Corporate Communications, at National Grid PLC.