0000947871-05-000576 Sample Contracts

MATERIAL FACT
Tele Norte Celular Participacoes Sa • March 4th, 2005 • Radiotelephone communications

Futuretel S.A., Opportunity Mem S.A., Newtel Participacoes S.A., Telpart Participacoes S.A., Telemig Celular Participacoes S.A., Tele Norte Celular Participacoes S.A., Telemig Celular S.A. and Amazonia Celular S.A. ("Companies"), in compliance with provision of CVM Instruction Number 358/02, hereby inform its shareholders and the general public that Futuretel S.A., together with Highlake International Business Company Ltd., will start a competitive bidding process for the sale of indirect corporate participation representing more than 50% of the voting capital of Telemig Celular Participacoes S.A. and Tele Norte Celular Participacoes S.A. The Companies, furthermore, inform that will be invited to participate in the competitive bidding process, as sellers, among others, Caixa de Previdencia dos Funcionarios do Banco do Brasil - PREVI, Fundacao Sistel de Seguridade Social - SISTEL, Fundacao Petrobras de Seguridade Social - PETROS, Fundacao Embratel de Seguridade Social - TELOS, Fundacao