“América Móvil announces a proposal for a dividend payment and an increase in the amount to repurchase shares”

Mexico City, Mexico, March 19, 2013. América Móvil, S.A.B. de C.V. (“AMX”) (BMV: AMX; NYSE: AMX; NASDAQ: AMOV; LATIBEX: XAMXL), announced that in today’s meeting, its Board of Directors decided to submit to the Ordinary General Shareholders’ Meeting to be held on or before April 30, 2013, a proposal to (i) make a payment of a cash dividend from the consolidated net profit tax account (cuenta de utilidad fiscal neta consolidada), of MXP$0.22 (Twenty two peso cents), payable in two installments, to each of the shares of its capital stock series “AA”, “A" and "L" outstanding as of the date of the dividend payment (which includes the preferred dividend correspondent to the series “L” shares), subject to adjustments arising from other corporate events (including repurchase or placement of its own shares), that may vary the number of shares outstanding as of the date of said dividend payment; and (ii) to increase in MXP$40,000,000,000.00 (Forty billion pesos), the outstanding amount to repurchase shares in accordance with article 56 of the Securities Market Law (Ley del Mercado de Valores).

About AMX

AMX is the leading provider of wireless services in Latin America. As of December 31, 2012, it had approximately 261.6 million wireless subscribers and approximately 64.1 million fixed revenue generating units in the Americas.

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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.