Vivo Participacoes SA (Vivo) is a Brazil-based company engaged in providing cellular telecommunications services. The Company has 100% interest in Vivo S.A., a provider of mobile telephone services in the states of, Acre, Alagoas, Amapa, Amazonas, Bahia, Ceara, Espirito Santo, Goias, Maranhao, Mato Grosso, Mato Grosso do Sul, Para, Paraiba, Parana, Pernambuco, Piaui, Rio de Janeiro, Rio Grande do Sul, Rondonia, Roraima, Santa Catarina, Sao Paulo, Sergipe, Tocantins and Minas Gerais through its subsidiary Telemig Celular. Vivo is controlled by Brasilcel N.V. (Brasilcel), a joint venture between Portugal Telecom and Telefonica. On April 03, 2008, it acquired Telemig Celular S.A., a wireless telecommunication provider in the state of Minas Gerais.