PEMEX Investor Presentation

PEMEX® 1H12 Financial Highlights As of June 30 As of June 30 2011 2012 2011 2012 Billion Pesos Variation Billion Dollars Total revenue from sales and services¹ 746.0 817.4 9.6% 63.0 59.9 Gross Income 390.3 421.9 8.1% 32.9 30.9 Operating Income 427.3 482.9 13.0% 36.0 35.4 Income before Taxes and 436.8 473.2 8.3% 36.9 34.7 Duties Taxes and Duties 419.2 465.2 11.0% 35.4 34.1 Net Income (loss) 17.5 7.9 (54.7%)▼ 1.4 0.58 EBITDA² 529.2 597.6 12.9% 44.7 43.8 www.pemex.com 1) Excludes IEPS. 2) Earnings before interests, taxes, depreciation and amortization. C-0022, Pemex Investor Presentation (Sept. 2012)

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