Investor Presentaiton

ESG at PEMEX (4/4) In the third quarter of 2021, a 2.5 MMcfd decrease in gas flaring was achieved, as compared to the previous quarter while maintaining gas use levels (87%). This result is mainly due to the fortuitous incident on the E- Ku-A2 platform, among other factors. PEMEX® POR EL RESCATE DE LA SOBERANÍA Upstream Gas Use and Flaring 2021 85% 87% 87% 712 608 606 1T21 2T21 3T21 Gas flaring (MMcfd) Gas use/Total gas produced 1. May vary upon information update. 2021. Petróleos Mexicanos. All the rights reserved. 42

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