YPF S.A.

YPF Sociedad Anonima engages in the exploration, development, and production of crude oil, natural gas, and liquefied petroleum gas (LPG) in Argentina. The company also involves in the refining, marketing, transportation, and distribution of oil and a range of petroleum products, petroleum derivatives, petrochemicals, LPG, and bio-fuels. As of December 31, 2008, its crude oil transportation network included approximately 2,700 kilometers of crude oil pipelines with approximately 640,000 barrels of aggregate daily transportation capacity of refined products; crude oil tankage of approximately 7 million barrels; and terminal facilities at 5 Argentine ports. In addition, it participates in 3 power stations with an aggregate installed capacity of 1,622 megawatts; and engages in gas separation and natural gas distribution businesses. As of December 31, 2008, its automotive petroleum products’ retail distribution network consisted of 1,642 YPF-branded service stations. The company was founded in 1977 and is based in Buenos Aires, Argentina. YPF Sociedad Anonima is a subsidiary of Repsol YPF, S.A.