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“América Móvil announces resolution issued
by the Comisión Federal de Competencia imposing fine”

Mexico City, Mexico, April 15, 2011 -- América Móvil, S.A.B. de C.V. (“AMX”) (BMV: AMX; NYSE: AMX; Nasdaq: AMOV; LATIBEX: XAMXL), announced today that its subsidiary Radiomóvil Dipsa, S.A. de C.V. (“Telcel”), was notified of a resolution issued by the Mexican Federal Antitrust Commission (Comisión Federal de Competencia), imposing a fine of $11,989 million Mexican Pesos for alleged monopolistic practices in the mobile termination market in connection with an investigation initiated in November 2006.

AMX and Telcel are currently analyzing the scope and legal grounds of said resolution in order to exercise any and all applicable legal remedies.

About AMX

AMX is the leading provider of wireless services in Latin America. As of December 31, 2010, it had 225 million wireless subscribers and 51.5 million fixed revenue generating units in the Americas.

Legal Disclaimer

This press release contains certain forward-looking statements that reflect the current views and/or expectations of AMX and its management with respect to its performance, business and future events. We use words such as “believe,” “anticipate,” “plan,” “expect,” “intend,” “target,” “estimate,” “project,” “predict,” “forecast,” “guideline,” “should” and other similar expressions to identify forward-looking statements, but they are not the only way we identify such statements. Such statements are subject to a number of risks, uncertainties and assumptions. We caution you that a number of important factors could cause actual results to differ materially from the plans, objectives, expectations, estimates and intentions expressed in this release. AMX is under no obligation and expressly disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.