Page 1

CONTENT Highlights Relevant events Subscribers América Móvil Consolidated Mexico Argentina Brazil Colombia Chile Ecuador Peru Central America Caribbean USA Austria & CEE Currency Exchange Rates Appendix Glossary Carlos García - Moreno Chief Financial Officer carlos.garciamoreno@amovil.com Daniela Lecuona Torras Investor Relations Office daniela.lecuona@americamovil.com América Móvil's second quarter of 2021 financial and operating report américa Mexico City , July 13th , 2021 - América Móvil , S.A.B. de C.V. ( " América Móvil " ) [ BMV : AMX ] [ NYSE : AMX , AMOV ] , announced today its financial and operating results for the second quarter of 2021 . We added 4.2 million wireless subscribers in the second quarter , more than 2.0 million were postpaid subscibers . Brazil accounted for 1.1 million post paid net adds . On the fixed - line platform we added 128 thousand broadband accesses . All in all , we had net RGU disconnections of 132 thousand accesses . Second quarter revenues , 253 billion pesos , were slightly higher than in the year - earlier quarter in nominal peso terms . At constant exchange rates , ser vice revenue increased 5.3 % year - on - year and 1.8 % over the quarter . Mobile and fixed - line service revenue were up both on an annual basis and sequential basis at constant exchange rates . In the case of mobile , the in creases were 7.2 % and 2.2 % , respectively ; in the case of fixed - line , 1.5 % and 0.6 % . The expansion of mobile service revenues was driven by prepaid ser vices , up 9.5 % and 3.7 % , respectively . EBITDA came in at 84.9 billion pesos , a 2.8 % increase in nominal peso terms from the year - earlier quarter . At constant exchange rates it increased 11.9 % . However , adjusted for carrier discounts from Tracfone obtained then , EBITDA showed a strong performance , rising 14.6 % . Our 44.7 billion pesos operating profit was up 9.3 % in nominal peso terms . At constant exchange rates , correcting for the carrier discounts referred to above , the annual increase in our operating profit would have been 23.7 % . We obtained a comprehensive financing income in the amount of 17.2 bil lion pesos on the back of foreign exchange gains . It helped bring about a net profit for the quarter of 42.8 billion pesos that more than doubled that of the year - earlier quarter . Our operating cash flow allowed us to fund capital expenditures in the amount of 57.4 billion pesos in the six months to June ; reduce debt in the amount of 36.9 billion pesos and buy back shares in the amount of 11.0 billion pesos . We bought back 765.1 million shares , more than any amount repurchased in each of the last six years . At the end of June , our net debt stood at 591 billion pesos including 103 bil lion in capitalized leases ; it was equivalent to 1.64 times LTM EBITDA under IAS 17 . We will host our conference call to discuss 2021 financial and operating results on July 14th at 9:00 am Mexico City time . To access the call please log on to www.americamovil.com/investors móvil 2021 4.2M wireless net adds 128k new broadband clients Service revenues + 5.3 % YoY at constant Fx Mobile & fixed service revenues were up on an annual & sequential basis Adjusted EBITDA + 15 % YoY at constant Fx Operating profit up 9.3 % YoY Net profit of MxP 43Bn pesos CapEx of MxP 57Bn pesos Net debt to EBITDA at 1.64x