AT&T Results Presentation Deck

1Q22 Mobility Results $ in billions Revenues Mobility $19.0 $8.1 42.3% 1Q21 EBITDA †2 0.86% 163 $20.1 595 $7.9 39.4% Mobility Net Adds 691 1Q22 EBITDA Margin †2 0.76% 0.79% 1Q20 1Q21 1Q22 Postpaid phone subscribers Postpaid phone churn Strong revenue and subscriber gains Revenues up 5.5%; wireless service revenues up ~$675M, or 4.8% Strong EBITDA and service margins 1Q22 included ~$300 million impact related to 3G shutdown and other one-time items Wireless subscriber growth driven by consistent execution Low churn with postpaid phone churn of 0.79% 691,000 postpaid phone net adds 116,000 prepaid net adds 8 © 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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