Investor Presentaiton

ADDENDA TRANSMISORA ELÉCTRICA DEL NORTE S.A. "TEN" (PAGE 2 OF 2) 書 Infrastructure - Regulated US$0.9bn investment, 50%-owned by EECL Parinacota Date: A Cándares Tarapaca Lagunas- Crucero Atacama Esmeralda TEN Canon Plate Dines Matencla Pande Ancar Los Vilas SIC expansion Interchile "ISA" Quilota Pelpaico Cerro Navia Chena Rapel Atelahuel Engie Energía Chile Presentation to Investors - 1Q 2018 B Regulated & contracted revenue VI In MUSD @ Oct 2013 FX Rates 738.3 Indexation TEN's annual revenues: (in USD millions at Mar. 31, 2018 FX rates) In CLP to Chile CPI In USD to US CPI 41% 59% AVI (VI annuity): IPCK DOLO +B;⋅ IPCO DOLK CPIK CPI = VATT IPCK DOLO COMAn,k = COMAN,0 IPCO DOLK A. V. Ink = A. V. Ino · (α; · 77.1 AVI + EECL toll MUSD 84, a good proxy of TEN'S EBITDA p.a. + COMA (O&M cost): 9.8 86.9 +Toll (paid by EECL): ~7.0 = AVI annuity of VI (Investment value) providing 10% pre-tax return on assets (at least 7% post-tax return beginning 2020) Project financing Equity - 20% ~ US$0.9 bn of which >80% = Senior Debt Project Financing ■Senior 18-yr USD Loan 26-yr USD Fixed-rate note ■Senior 18-yr Local UF Loan Equity-RECh Equity EECL Total senior debt ≤ MUSD 745 + Subordinated VAT Facility = MUSD 94 37 ENGIC

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