AMERICA MOVIL SAB DE CV/

We provide telecommunications services in 23 countries. We are a leading telecommunications services provider in Latin America, ranking first in wireless, fixed-line, broadband and Pay TV services based on the number of RGUs. Our largest operations are in Mexico and Brazil, which together account for over half of our total RGUs and where we have the largest market share based on RGUs. We have operations in 16 countries in the Americas and seven countries in Central and Eastern Europe as of December 31, 2025. For a list of our principal subsidiaries, see Note 2 a(ii) to our audited consolidated financial statements and Additional Information Exhibit 8.1 under Part VII of this annual report. We aim to build on our position as a leader in integrated telecommunication services in Latin America and the Caribbean, and to grow in other parts of the world by continuing to expand our subscriber base through the development of our existing businesses and strategic acquisitions when opportunities arise. We have developed world-class integrated telecommunications platforms to offer our customers new services and enhanced communications solutions with higher data speed transmissions at lower prices. We continue investing in our networks to increase coverage and implement new technologies to optimize our network capabilities. See Operating and Financial Review and Prospects Overview under Part II of this annual report for a discussion on the seasonality of our business.