About PemexPEMEX is Mexico’s national oil and gas company. Created in 1938, it is the exclusive producer of Mexico’s oil and gas resources. The operating subsidiary entities are Pemex-Exploration and Production, Pemex-Refining, Pemex-Gas and Basic Petrochemicals and Pemex-Petrochemicals. The principal subsidiary company is PMI Comercio Internacional, S.A. de C.V., Pemex’s international trading arm. About Exterran Exterran Holdings, Inc. is a global market leader in full service natural gas compression and a premier provider of operations, maintenance, service and equipment for oil and gas production, processing and transportation applications. Exterran Holdings serves customers across the energy spectrum – from producers to transporters to processors to storage owners. Headquartered in Houston, Texas, Exterran has more than 10,000 employees and operates in approximately 30 countries. For more information, visit www.exterran.com.