VIVO, Southern Hemisphere's Largest Wireless Group Announces Fourth Quarter 2003 Consolidated Earnings Of Tele Centro Oeste Celular Participacoes S.A. BRASILIA, Brazil, Feb. 17 /PRNewswire-FirstCall/ -- Tele Centro Oeste Celular Participacoes S.A. ("TCO"), (NYSE: TRO; BOVESPA: TCOC3 (ON)/TCOC4 (PN)), discloses its consolidated results for the fourth quarter 2003 (4Q03). The closing rates for February 13, 2004 were: TCOC3: R$ 8.05 / 1,000 shares TCOC4: R$ 10.30 / 1,000 shares and TRO: US$ 10.55 / ADR (1 ADR = 3,000 PN shares). TCO is the holding company for six wireless telecommunication service providers: Telegoias Celular S.A., Telemat Celular S.A., Telems Celular S.A., Teleron Celular S.A., Teleacre Celular S.A. and Norte Brasil Telecom S.A.; is a company delivering solutions for the data services market using IP (Internet Protocol), TCO IP. TCO is active in the Federal District and 11 states of Brazil: Acre, Amazonas, Amapa, Goias, Maranhao, Mato Grosso, Mato Grosso do Sul, Para, Rondonia, Roraima and Tocantins, covering an authorized area of 5.8 million sq km with 31.8 million inhabitants, which is approximately 18% of the total population of Brazil. VIVO TCO is one of the companies that together with Telesp Celular Participacoes S.A.,Tele Leste Celular Participacoes S.A., Tele Sudeste Celular Participacoes S.A. and Celular CRT Participacoes S.A., comprises the assets of the Joint Venture between Telefonica Moviles and Portugal Telecom. On April 13, 2003, the "VIVO" brand was launched to create one single image for the Group's operations, thus evincing its coverage and capillarity in the country and its business strategy. The brand is now Top of Mind in the Brazilian market. Please click the link below to access the pdf file. 2003 Results in English: http://www.mediagroup.com.br/VIVO/PDF/4Q03_TCO_engl.pdf DATASOURCE: Tele Centro Oeste Celular Participacoes S.A. CONTACT: Ronald Aitken, +55-11-5105-1172, or , or Fabiola Michalski, +55-11-5105-1207, or , both for Tele Centro Oeste Celular Participacoes S.A. Web site: http://www.telespcelular.com.br/

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