Investor Presentaiton

Costumer Base and Installed Capacity Evolution Customer Accounts (millions) In 1Q2018 we increased our customers base to 42.5 million from 42.2 million accounts in 4Q2017. CFE Comisión Federal de ElectricidadⓇ Installed Capacity (MW) Four old generation units of our geothermal plant Cerro Prieto were permanently closed. For that reason, installed capacity was reduced from 55,891 MW in 2017 to 55,240 MW in 1Q2018. 6.8 4.9 12 18.7 34.2 42.2 42.5 40.8 13,692 5,401 24,442 35,869 55,564 55,891 55,240 51,611 1970 1980 1990 2000 2010 2016 2017 1Q2018 1970 1980 1990 2000 2010 2016 2017 1Q2018 Source: CFE

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