AT&T to Webcast Keynote by Randall Stephenson at UBS Conference on December 4

*About AT&T

AT&T Inc. (NYSE:T) is a diversified, global leader in telecommunications, media and entertainment, and technology. It executes in the market under four operating units. WarnerMedia’s HBO, Turner and Warner Bros. divisions are world leaders in creating premium content, operate one of the world’s largest TV and film studios, and own a world-class library of entertainment. AT&T Communications provides more than 100 million U.S. consumers with entertainment and communications experiences across TV, mobile and broadband services. Plus, it serves more than 3 million business customers with high-speed, highly secure connectivity and smart solutions. AT&T Latin America provides pay-TV services across 11 countries and territories in Latin America and the Caribbean, and is the fastest growing wireless provider in Mexico, serving consumers and businesses. Xandr provides marketers with innovative and relevant advertising solutions for consumers around premium video content and digital advertising through its AppNexus platform.

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