AT&T Results Presentation Deck

7 2Q22 Mobility Results $ in billions Revenues Mobility $18.9 $8.0 42.4% 2Q21 EBITDA †2 0.84% $19.9 0.69% $8.2 41.3% 2Q22 Mobility Net Adds 789 813 EBITDA Margin †2 0.75% Strong revenue gains with subscriber and ARPU growth Revenues up 5.2%; wireless service revenues up ~$660M, or 4.6% Postpaid phone ARPU of $54.81, up 1.1% year over year and $0.81 sequentially Continued strong EBITDA and service margins even with better-than-expected customer growth 2Q22 included ~$100M impact from lower CAF II/FirstNet reimbursements and ~$130M in higher bad debt Wireless subscriber growth driven by consistent execution and efficient distribution Low postpaid phone churn of 0.75% 813,000 postpaid phone net adds 196,000 prepaid phone net adds (151) 2Q20 2Q21 2Q22 Postpaid phone subscribers (in thousands) Postpaid phone churn © 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 11 AT&T

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