Investor Presentaiton

FINANCIAL UPDATE NET DEBT EVOLUTION REVEALS CONTINUED STRONG CASH GENERATION Main cash flows In US$ Million +60 +2 +8 +8 (78) +68 839 Dividends Accrued Income 771 Financial (40% CTH) Interest + Taxes Operating CAPEX (*) lease var. cash flow (tolling deferred financial Net Debt as of 12/31/17 (*) excludes capitalized interest • agreement W/TEN) • CAPEX financed with operating cash flow cost + var. MTM on hedges Net Debt as of 3/31/18 Net debt increase explained by tolling agreement on TEN's dedicated transmission assets, which is accounted for as a financial lease Engie Energía Chile Presentation to Investors - 1Q 2018 ENGIE 23

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