On behalf of Telefonos de Mexico, S.A. de C.V. ("Telmex"), and in accordance with the resolutions adopted to such effect by the Board of Directors of Telmex at a meeting held on February 11, 2004 and at the general meetings of shareholders on March 1st, 2004, this is to inform you that, pursuant to the terms of the first section of Article 14 Bis of the Securities Exchange Law and the applicable provisions of "Circular Unica de Emisoras" issued by the National Banking and Securities Commission, Telmex on April 23, 2004 acquired through market value purchases on the Bolsa Mexicana de Valores, S.A. de C.V., 4,000,000 class "L" shares of Telmex at an aggregate price of P.80,542,853.00 and 3,200 class "A" shares of Telmex at an aggregate price of P.64,192.00.

On behalf of Telefonos de Mexico, S.A. de C.V. ("Telmex"), and in accordance with the resolutions adopted to such effect by the Board of Directors of Telmex at a meeting held on February 11, 2004 and at the general meetings of shareholders on March 1st, 2004, this is to inform you that, pursuant to the terms of the first section of Article 14 Bis of the Securities Exchange Law and the applicable provisions of "Circular Unica de Emisoras" issued by the National Banking and Securities Commission, Telmex on April 22, 2004 acquired through market value purchases on the Bolsa Mexicana de Valores, S.A. de C.V., 3,400,000 class "L" shares of Telmex at an aggregate price of P.67,912,355.00.

On behalf of Telefonos de Mexico, S.A. de C.V. ("Telmex"), and in accordance with the resolutions adopted to such effect by the Board of Directors of Telmex at a meeting held on February 11, 2004 and at the general meetings of shareholders on March 1st, 2004, this is to inform you that, pursuant to the terms of the first section of Article 14 Bis of the Securities Exchange Law and the applicable provisions of "Circular Unica de Emisoras" issued by the National Banking and Securities Commission, Telmex on April 21, 2004 acquired through market value purchases on the Bolsa Mexicana de Valores, S.A. de C.V., 4,000,000 class "L" shares of Telmex at an aggregate price of P.79,677,500.00 and 400 class "A" shares of Telmex at an aggregate price of P.7,940.00.

On behalf of Telefonos de Mexico, S.A. de C.V. ("Telmex"), and in accordance with the resolutions adopted to such effect by the Board of Directors of Telmex at a meeting held on February 11, 2004 and at the general meetings of shareholders on March 1st, 2004, this is to inform you that, pursuant to the terms of the first section of Article 14 Bis of the Securities Exchange Law and the applicable provisions of "Circular Unica de Emisoras" issued by the National Banking and Securities Commission, Telmex on April 20, 2004 acquired through market value purchases on the Bolsa Mexicana de Valores, S.A. de C.V., 4,000,000 class "L" shares of Telmex at an aggregate price of P.80,821,376.00 and 6,100 class "A" shares of Telmex at an aggregate price of P.123,155.00.

On behalf of Telefonos de Mexico, S.A. de C.V. ("Telmex"), and in accordance with the resolutions adopted to such effect by the Board of Directors of Telmex at a meeting held on February 11, 2004 and at the general meetings of shareholders on March 1st, 2004, this is to inform you that, pursuant to the terms of the first section of Article 14 Bis of the Securities Exchange Law and the applicable provisions of "Circular Unica de Emisoras" issued by the National Banking and Securities Commission, Telmex on April 19, 2004 acquired through market value purchases on the Bolsa Mexicana de Valores, S.A. de C.V., 4,000,000 class "L" shares of Telmex at an aggregate price of P.80,567,450.00 and 4,900 class "A" shares of Telmex at an aggregate price of P.98,285.00.