Petrobras Argentina SA, formerly Petrobras Energia SA, is an Argentina-based integrated company primarily engaged in the energy sector. The Company�s activities are structured in four business segments: Oil and Gas Exploration and Production, including the acquisition, exploration, exploitation and maintenance of oil and gas reserves; Refining and Distribution, focusing in the production of fuels, lubricants and asphalts; Petrochemicals, comprising the production of styrene, polystyrene, bi-oriented polystyrene (BOPS) and synthetic rubber; as well as Gas and Energy, providing gas distribution and electric energy generation and transmission. Through its subsidiaries and affiliates, the Company has operations established in Argentina, Bolivia, Brazil, Ecuador, Venezuela, Mexico, Bermuda, Spain and Austria. As of December 31, 2011, the Company's majority shareholder was Petrobras Participaciones SL with 67.2% of its interests.