Investor Presentaiton

FINANCIAL UPDATE ROBUST FINANCIAL STRUCTURE: ROOM FOR FURTHER GROWTH Net debt/EBITDA below 3.0x • Strong cash flow generation • Proceeds from asset sales (TEN) in 2016 Rating confirmed @ BBB (Stable Outlook) • International: S&P & Fitch - July 2017 • National scale: Feller Rate (Dec-17): A+ Positive Outlook; Fitch (Jul-17): A+ Stable Outlook Debt details: NET DEBT/EBITDA ≤ 3.0 X 2.0 1.6 1.7 2.8. 2.8 Dec 14 Dec 15 Dec 16 Dec 17 Mar 18 (LTM) MODERATE DEBT INCREASE, WITH LOWER AVERAGE COST In US$ Millions 910 . US$ 750 million 144-A/Reg S Notes: 850 • 5.625%, US$400 million 2021 (YTM-3.501% at 3/31/18) 750 750 750 • 4.500%, US$350 million 2025 (YTM=4.155% at 3/31/18) • 1.58%, US$100 million bank loans maturing 2018 • US$60 million 20-yr. financial lease w/TEN for dedicated transmission assets 5.1% 5.1% 15.1% 851 772 :603: 4.8% 4.8% 481 #471: • US$270 million bank revolving credit facility maturing June 2020 (undrawn) 2014 2015 Net Debt 2016 SPREE Gross Debt 2017 Mar-18 Average coupon rate Engie Energía Chile Presentation to Investors - 1Q 2018 24 ENGIE

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