AT&T Results Presentation Deck

9 1Q22 Consumer & Business Wireline Results $ in billions Revenues $3.1 $1.1 34.5% 1Q21 Consumer Wireline $3.2 EBITDA †2 $2.4 39.0% 1Q21 $1.1 O 34.3% 1Q22 Business Wireline $6.0 $5.6 EBITDA Margin †2 $2.2 38.3% 1Q22 Fiber growth drives broadband revenue gains, with Fiber revenues up ~25% Broadband revenues grew 6.8% due to Fiber growth and higher ARPU 289,000 Fiber net additions; ability to serve 17 million Fiber customer locations 1Q22 Fiber ARPU of ~$60 with gross addition intake ARPU in the $65-70 range Launched multi-gig speed tiers in January with straightforward pricing Continued portfolio rationalization with solid margins 1Q22 wireline revenues impacted by timing of government solutions sector demand Emphasizing connectivity and 5G/fiber integrated solutions Strong momentum from integrated solutions benefited Mobility Business Solutions wireless service revenues grew 8.4%; FirstNet wireless base grew ~300k © 2022 AT&T Intellectual Property. AT&T and globe logo are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated companies. + See notes slide 12 AT&T

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