Exhibit 99.1

CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES

América Móvil, S.A.B. de C.V. and Subsidiaries

Computation of Ratio of Earnings to Fixed Charges

Amounts in Thousands of Mexican pesos, Except Ratios

	Year ended December 31, 2009			Year ended December 31, 2010			Six months ended June 30, 2011
Earnings:
Profit before income tax		143,200,212			135,119,043			73,895,291
Plus:
Interest expense		16,564,152			19,934,283			10,478,959
Interest implicit in operating leases		588,565			411,202			377,439
Less:
Equity interest in net income of affiliates		(1,959,378	)		(1,671,210	)		(1,298,514	)
		158,393,551			153,793,317			83,453,174
Fixed charges:
Interest expenses		16,564,512			19,934,283			10,478,959
Interest implicit in operating leases		588,565			411,202			377,439
		17,153,077			20,345,485			10,856,397
Ratio of earnings to fixed charges		9.2			7.6			7.7