Investor Presentaiton

Operating Costs 2021 vs 2022 602.1 billion 2021 2022 324.3 billion 53.9% Fuels 57.0% 71.4 billion 11.9% Salaries 21.4 billion 5.6 billion 45.8 billion 133.6 billion 22.2% 3.5% Maintenance 4.6% 0.9% Taxes and 0.9% MEM Cost 11.9% 7.6% Labor Obligations 6.1% Depreciation and Others 623.5 billion 355.1 billion 74.4 billion 28.7 billion 5.7 billion 38.2 billion 19.6% 121.4 billion 'Energy and other fuels' increased by 49.2 billion pesos, while 'Energy and other fuels for third parties' decreased by 18.4 billion pesos vs. 2021 due to the increase in prices caused by the Russia-Ukraine conflict, with sanctions to Russian exports. Labor obligations cost was reduced by 16.8%, while salary cost increased 4.2%, a lower figure than the observed inflation. Similarly, other expenses decreased 18.4 billion pesos as part of the efficiency and austerity measures. 'Financing Cosť' decreased 76.7% compared to 2021, as a result of the exchange rate profit of 42.4 billion pesos, with an accumulated appreciation of 6.0% of the Mexican peso during 2022. Source: CFE, Financial Statements BMV. CFE Comisión Federal de ElectricidadⓇ 10

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