Pemex Refining EFFECT Notice of effectiveness

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	August 31, 2011 9:30 A.M.

Form:

F-4

CIK:	0000932782
Company Name:	MEXICAN PETROLEUM
File Number:	333-175821

CIK:	0000932785
Company Name:	PEMEX GAS & BASIC PETROCHEMICALS
File Number:	333-175821-03

CIK:	0000932784
Company Name:	PEMEX REFINING
File Number:	333-175821-02

CIK:	0000932783
Company Name:	PEMEX EXPLORATION & PRODUCTION
File Number:	333-175821-01