T: Leadership change

ITEM 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On September 7, 2026 the Board of Directors (the “Board”) of AT&T Inc. (“AT&T”) adopted a resolution that effective September 8, 2026, the size of the Board would increase from 10 to 11 members and Fazal F. Merchant would be elected a Director to fill the resulting vacancy. The Board appointed Mr. Merchant to the Audit and the Corporate Development and Finance Committees. Mr. Merchant will participate in the compensation program for non-employee Directors as described beginning on page 32 of AT&T’s 2026 Proxy Statement. The Board has determined that Mr. Merchant is independent, based on the independence standards of the New York Stock Exchange. Item 9.01. Financial Statements and Exhibits. The following exhibits are filed as part of this report: (d) Exhibits 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) Signature Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. AT&T INC. Date: September 9, 2026 By: /s/ Stacey Maris Stacey Maris Senior Vice President, Secretary and Chief Privacy Officer