Investor Presentaiton

PEMEX: a company that creates value EBITDA Margin, (EBITDA/Sales)1 PEMEX® POR EL RESCATE DE LA SOBERANÍA BR PETROBRAS 53% 43% • equinor 34% PEMEX®> 25% eni • Chevron 24% bp 23% Te 21% • TotalEnergies 20% Shell Exxon 16% 13% REPSOL PEMEX has remained one of the companies with the highest EBITDA generation in the industry. At the end of the third quarter of the year, it recorded a 34% EBITDA margin, placing the company in third place in terms of generated economic value. PEMEX'S EBITDA margin was 13 percentage points above the private sector average of 21%. 1. Does not include variables that do not generate cash flow. EBITDA for its acronym in English (earnings before interest, taxes, depreciation, and amortization) Source: Bloomberg and PEMEX Financial Statements under IFRS as of September 30, 2021. 2021. Petróleos Mexicanos. All the rights reserved. 16

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