PEMEX Investor Presentation

PEMEX ® Variations Forward-Looking Statement and Cautionary Note (1/3) If no further specification is included, changes are made against the same period of the last year. Rounding ■ Numbers may not total due to rounding. Financial Information Excluding (i) budgetary, (ii) volumetric, (iii) revenue from sales and services including IEPS, (iv) domestic sales including IEPS, (v) petroleum products sales including IEPS, and (vi) operating income including IEPS information, the financial information included in this report is based on unaudited consolidated financial statements prepared in accordance with Normas de Informacion Financiera (Mexican Financial Reporting Standards, FRS) -formerly Mexican GAAP-issued by the Consejo Mexicano de Normas de Información Financiera (CINIF). Based on FRS B-10 "Inflation effects", 2010 and 2011 amounts are expressed in nominal terms. Based on FRS B-3 "Income Statement” and FRS "C-10" Derivative Financial Instruments and Hedging Transactions", the financial income and cost of the Comprehensive Financial Result include the effect of financial derivatives. The EBITDA is a non-U.S. GAAP and non-FRS measure issued by CINIF. Budgetary information is based on standards from Mexican governmental accounting; therefore, it does not include information from the subsidiary companies of Petróleos Mexicanos. Foreign Exchange Conversions ■ Unless otherwise specified, convenience translations into U.S. dollars of amounts in Mexican pesos have been made at the established exchange rate, at December 31, 2011, of Ps. 13.9904 = U.S.$1.00. Such translations should not be construed as a representation that the peso amounts have been or could be converted into U.S. dollars at the foregoing or any other rate. www.pemex.com 2 C-0022, Pemex Investor Presentation (Sept. 2012)

View entire presentation