AT&T Analyst & Investor Conference

Accelerated momentum in Business Mobility 53% 2021 Flow Share in Postpaid Phone¹ Taking a majority of highest value Business Mobility services 54% 2021 lot Connectivity Share² # 1 IoT Mobile Network Operator in the U.S. 1. Modeled using Competitive and Market Analyst publicly reported data. 2. Thru 3Q21 © 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. All other marks are the property of their respective owners 3.4

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