Annual Financial Report
27 March 2026 NORTHERN IRELAND ELECTRICITY NETWORKS LIMITED (“NIE NETWORKS”) NIE Networks and NIE Finance PLC’s Annual Financial Results for the year ended 31 December 2025 This announcement is in respect of NIE Finance PLC’s bonds - £400,000,000 6.375 per cent Guaranteed Notes due 2026 (ISIN XS0633547087); - £350,000,000 5.875 per cent Guaranteed Notes due 2032 (ISIN XS2528656080); - £350,000,000 5.750 per cent Guaranteed Notes due 2035 (ISIN: XS3063879525); and - £600,000,000 5.875 per cent Guaranteed Notes