YPF SOCIEDAD ANONIMA, an energy company, engages in the exploration, development, and production of crude oil, natural gas, and liquefied petroleum gas (LPG) in Argentina. The company is also involved in the refining, marketing, transportation, and distribution of oil and a range of petroleum products, petroleum derivatives, petrochemicals, LPG, and bio-fuels; and gas separation and natural gas distribution operations. As of December 31, 2012, it held interests in approximately 90 oil and gas fields in Argentina; had proved reserves of approximately 590 million barrels of oil and 2,186 billion cubic feet of gas; and retail distribution network of 1,535 YPF-branded service stations for automotive petroleum products in Argentina. The company's crude oil transportation network includes approximately 2,700 kilometers of crude oil pipelines with approximately 640,000 barrels of aggregate daily transportation capacity of refined products; crude oil tankage comprises approximately 7 million barrels; and maintains terminal facilities at 5 Argentine ports. In addition, it participates in 3 power stations, including combined cycle and gas turbines with an aggregate installed capacity of 1,622 megawatts; and renders telecommunications services. Further, the company engages in the production, industrialization, processing, marketing, preparation services, transportation, and storage of grains and its derivatives; and sells fertilizers, diesel fuel, lubricants, agrochemicals, and ensiling bags to the agriculture producers. The company was founded in 1977 and is based in Buenos Aires, Argentina. YPF S.A. operates as a subsidiary of Repsol, S.A.