DALLAS–(BUSINESS WIRE)–AT&T Inc.* (NYSE:T) will webcast a keynote address by Jason Kilar, CEO, WarnerMedia LLC, at the MoffettNathanson Media & Communications Summit on May 13, 2021. The presentation will be held virtually and is scheduled to begin at 12:00 p.m. ET. The webcast will be available live and for replay at AT&T Investor Relations. Viewers should start the webcast a few minutes before the planned start time in case the conference schedule changes. *About AT&T AT&