Francisco Aurélio Sampaio Santiago

Brasil Telecom Participações SA is a provider of telecommunications services in Region II in Brazil. The Company offers integrated telecommunications services, which includes fixed-line and mobile telecommunications services, data transmission services (including broadband access services), Internet service provider (ISP) services and other services, for residential customers, small, medium and large companies, and governmental agencies. The Company provided services, which include Fixed-Line Telecommunications Services, Mobile Telecommunications Services, Data Transmission Services and other services. The company was founded in 1998 and is headquartered in Brasilia, Brazil

Telemar Norte Leste SA engages in providing telecommunications services. It operates through the following segments: Fixed Telephony/Data, Mobile Telephony, and Other. The Fixed Telephony/Data segment offers local and long distance voice transmission and data communication services. The Mobile Telephony segment consists of mobile voice, 3G data communication, and additional services, which include messaging services and interactivity. The Other segment covers pay TV services, internet service provider, means of payment, and call center. The company was founded in 1998 and is headquartered in Rio de Janeiro, Brazil.

Telebrasilia Celular SA provides cellular telecommunication services.

Tele Norte Leste Participações SA offers a range of integrated telecommunication services, whicih include fixed-line and mobile telecommunication services, data transmission services, including broadband access services, ISP services and other services for residential customers, small, medium and large companies, and governmental agencies. The company operates in the following segments: Fixed-Line Services, Mobile Services and Other. The Fixed-Line Services segment includes its local fixed-line services, including public telephones, long-distance services, fixed-line data transmission services, and interconnections to its fixed-line network. The Mobile Services segment includes voice, mobile data communications and other value-added services, and interconnections to its mobile network. The Other segment includes its television services, ISP services, Internet portal, mobile phone payment system and call center. Tele Norte Leste Participações was founded on May 22, 1998 and is headquartered in Rio de Janeiro, Brazil.

Óleo e Gás Participações SA engages in the exploration and production of oil and natural gas. It deals with refining and marketing of natural gas, transportation of petroleum and exploration as well as distribution of oil and natural gas. The company was founded on April 10, 2006 and is headquartered in Rio de Janeiro, Brazil.