Q2 2021 Financial Results

Strategy Network Innovation Subscribers Totalplay® Financial Performance Expand and improve Mexico's only 100%-Fiber network offering broadband, entertainment, and productivity services Deploy most advanced infrastructure to offer faster speeds, greater capacity, and better reliability to residential and enterprise customers Leverage state-of-the-art network design to adapt rapidly to new technological developments and keep pace with growing bandwidth demand . • • • Improve user experience with differentiated customer service and superior products that meet customers' evolving demands Improve with new technology our unique IPTV system that turns regular linear pay TV into a on demand, anytime, and anywhere 4K experience Grow new business opportunities such as next generation WiFi Introduce new products and services like Addressable Advertising, Anytime TV, and TotalPlay Mobile App Provide superior product offerings, bandwidth capabilities, and compelling value to increase market share while simultaneously commanding premium prices • Deliver exceptional customer service with fast response times tailored to customers' needs • Retain subscribers with focus on customer satisfaction, programs to enhance customer loyalty, and ARPU management strategies • Increase market penetration of • • existing network coverage while growing lifetime value of each customer Control operating expenses Focus on cash flow generation and ROIC • Lower cost of debt, extend debt maturities and maintain target leverage ratios 7

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