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Investor Presentaiton

Account Evolution and Breakdown User Accounts (millions) As of 1Q 2021, our user accounts reached 46.2 million Account Breakdown by Sector 2Q 2021 Industrial Agricultural 6.8 4.9 12 18.7 34.2 0.8% 0.3% Services 0.5% Commercial 45.6 46.2 44.5 9.4% 42.2 42.5 40.8 89.0% Residential Revenue Breakdown by Sector 2Q 2021 Services Agricultural Commercial 12.4% 2.7% 3.7% 21.8% 1970 1980 1990 2000 2010 2016 2017 2018 2019 2020 2T21 Residential 59.5% Industrial Source: CFE CFE Comisión Federal de ElectricidadⓇ 3

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