Investor Presentaiton

KEY MESSAGES RECENT EVENTS 0 INDUSTRY SING SEN "Sistema Eléctrico Nacional" SIC-SING interconnection: In operations since November 24, 2017, giving birth to the SEN. The TEN project was ready ahead of schedule and within budget Government and Generation Companies' agreement to phase out coal generation New government took office on March 11, 2018: Sebastián Piñera, President; Susana Jiménez, Minister of Energy; Ricardo Irarrázabal, Subsecretary of Energy National transmission project bids launched by the CEN: 6 companies presented offers for an aggregate US$200 million IV RM VI SIC Vill אן XIV Engie Energía Chile Presentation to Investors - 1Q 2018 COMPANY Amendments to the Codelco and Glencore PPAs signed on April 2: tariff decrease, full indexation to CPI starting 2021, and PPA life extension Authorization to disconnect U12 & U13 coal units (combined 170 MW) was requested to the CNE The new 15-year PPA with distribution companies started in 2018 (up to 2 TWh), stepping up to 5 TWh in 2019 Bridge PPAs with generation companies were signed to supply ~60% of demand under the above PPA Puerto Andino and IEM are in their commissioning phase ENGIE 10

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