ChairmanCarso Global Telecom Sab, 2007-PRESENT ChairmanGrupo Carso Sab de CV, 9/2007-PRESENT ChairmanTelmex Intl Sab de CV, 4/2004-PRESENT President/Managing DirectorSanborns Hermanos SA, PRESENT ChairmanAmerica Telecom SA de CV, PRESENT ChairmanUS Commercial Corp SA de CV, PRESENT ChairmanTelefonos de Mexico Sab de CV, PRESENT ChairmanAmerica Movil Sab de CV, PRESENT ChairmanGrupo Carso SA de CV, 10/1998-9/2007 Vice ChairmanTelefonos de Mexico Sab de CV, 2001-4/2004 Honorary ChairmanGrupo Financiero Inbursa Sab de CV, UNKNOWN-2001 ChairmanGrupo Sanborns SA de CV, 1975-1993 Co-ChairmanAmerica Movil Sab de CV, 2011-UNKNOWN Co-ChairmanTelefonos de Mexico Sab de CV, 4/2004-UNKNOWN Chairman/CEOGrupo Sanborns SA de CV, 1993-UNKNOWN Vice ChairmanCarso Global Telecom Sab, FORMER Vice ChairmanCarso Global Telecom SA de CV, FORMER Chief Executive OfficerSanborns Hermanos SA, FORMER Vice ChairmanAmerica Telecom SA de CV, FORMER     ChairmanCarso Global Telecom Sab, 2007-PRESENT ChairmanGrupo Carso Sab de CV, 9/2007-PRESENT ChairmanTelmex Intl Sab de CV, 4/2004-PRESENT President/Managing DirectorSanborns Hermanos SA, PRESENT ChairmanAmerica Telecom SA de CV, PRESENT ChairmanUS Commercial Corp SA de CV, PRESENT ChairmanTelefonos de Mexico Sab de CV, PRESENT ChairmanAmerica Movil Sab de CV, PRESENT ChairmanGrupo Carso SA de CV, 10/1998-9/2007 Vice ChairmanTelefonos de Mexico Sab de CV, 2001-4/2004 Honorary ChairmanGrupo Financiero Inbursa Sab de CV, UNKNOWN-2001 ChairmanGrupo Sanborns SA de CV, 1975-1993 Co-ChairmanAmerica Movil Sab de CV, 2011-UNKNOWN Co-ChairmanTelefonos de Mexico Sab de CV, 4/2004-UNKNOWN Chairman/CEOGrupo Sanborns SA de CV, 1993-UNKNOWN Vice ChairmanCarso Global Telecom Sab, FORMER Vice ChairmanCarso Global Telecom SA de CV, FORMER Chief Executive OfficerSanborns Hermanos SA, FORMER Vice ChairmanAmerica Telecom SA de CV, FORMER

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