UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	August 25, 2009 2:00 P.M.

Form:	F-4
CIK: 0000932782 Company Name: MEXICAN PETROLEUM File Number: 333-160799
CIK: 0000932783 Company Name: PEMEX EXPLORATION & PRODUCTION File Number: 333-160799-03
CIK: 0000932784 Company Name: PEMEX REFINING File Number: 333-160799-02
CIK: 0000932785 Company Name: PEMEX GAS & BASIC PETROCHEMICALS File Number: 333-160799-01