Jorge José Nahas Neto

Petrobras Argentina SA engages in the development and exploration of oil and gas properties. It operates through the following business segments: Generation, Distribution of Energy, Oil and Gas, Refining and Distribution, Petrochemicals, and Holding and Other Business. The Generation segment engages in generation through the following businesses: Central Térmica Genelba, Central Térmica Loma la Lata, Central Térmica Ingeniero White, Central Térmica Güemes, Central Térmica Piquirenda, Central Térmica Parque Pilar, EcoEnergía, Hidroeléctrica Nihuiles and Hidroeléctrica Diamante, HPPL, Corti, Pampa Energia WPP and De la Bahi WPP, and Enecor. The Distribution of Energy segment engages in the electricity distribution through its subsidiary Edenor. The Oil and Gas segment engages in oil and gas business directly through its investments in Oleoductos del Valle S.A. The Refining and Distribution segment engages in the refining and distribution business through its storage facility in Dock-Sud and Refinor. The Petrochemicals segment operates through its styrenics operations and the catalytic reformer operations conducted in its Argentine plants. The Holding and Other Business segment holds interest in Petrobras Hispano Argentina S.A and Transener. The company was founded in 1946 and is headquartered in Buenos Aires, Argentina.

Petrobras America, Inc. explores, refines and trades petroleum and petroleum products. It also markets oil and oil products and procures materials and equipment. The company was founded in 1987 and is headquartered in Houston, TX.

Transportadora Brasileira Gasoduto Bolívia-Brasil SA provides natural gas distribution services. It operates a 2,539 Km long pipeline crossing three regions of Brazil. Its operations are controlled by means of the Supervisory, Control and Data Acquistion System (SCADA), which consist of Programmable Logic Controllers (PLCs) and is located in Rio de Janeiro. It also utilizes the resources of other existing pipelines of the PETROBRAS system located in the states of São Paulo, Paraná, Santa Catarina and Rio Grande do Sul. TBG was founded on 18th April, 1997 and is headquartered in Rio de Janeiro, Brazil.