Investor Presentaiton

ADDENDA TRANSMISORA ELÉCTRICA DEL NORTE S.A. "TEN" (PAGE 1 OF 2) 書 Infrastructure - Regulated ~US$0.9bn investment, 50%-owned by EECL Project Highlights Kel ar • • Double circuit, 500 kV, alternate current (HVAC), 1,500 MW, 600- km long transmission line National transmission system interconnecting SIC and SING grids COD: November 24, 2017 TEN-GIS CT 13 km H M3 CT M 2 1,500 MVA IEM 1220 kV 500 kV³ 400 km S/S Los Changos TEN dedicated transmission line project TEN national transmission line project Interchile (ISA) transmission project Existing lines New projects tendered by the CNE Engie Energía Chile Presentation to Investors - 1Q 2018 Main Contracts S/S Cumbre 500 kV 190 km Regulated revenues on "national assets" + contractual toll on "dedicated assets" Turnkey EPC contracts: • Transmission lines: Ingeniería y Construcción Sigdo Koppers • Substations: GE Grid Solutions Project financing (see next slide) S/S Nueva Cardones (Interchile -ISA) 500 kV 1 220 kVi Maitencillo S/S Cardones Maitencillo 36 ENGIE

View entire presentation