On January 27, 2023, Debra L. Dial announced her intention to retire as Senior Vice President - Chief Accounting Officer and Controller of AT&T Inc. (the “Company”) effective March 31, 2023. On the same day, the Board of Directors of the Company appointed Sabrina Sanders to replace Ms. Dial as the Company's Senior Vice President – Chief Accounting Officer and Controller effective April 1, 2023. Upon the effective date of her appointment, Ms. Sanders will assume the responsibilities of principal accounting officer, which are currently held by Ms. Dial.

Ms. Sanders, age 44, has served in various positions with the Company for 21 years. Ms. Sanders currently serves as the Company's Senior Vice President – Corporate Strategy, a position she has held since January 2020, and before that as Senior Vice President – Strategy and Financial Planning (July 2019 to January 2020) and Vice President – Finance (August 2017 to June 2019).