T

• The Euro Notes were sold under an Underwriting Agreement dated August 7, 2026 with Deutsche Bank AG, London Branch as underwriter.
• The USD Notes were sold under an Underwriting Agreement dated August 10, 2026 with BNP Paribas Securities Corp. as underwriter.
• The notes were issued under AT&T's indenture dated May 15, 2013 with The Bank of New York Mellon Trust Company, N.A. as trustee.
• The 8-K was filed to incorporate exhibits into AT&T's Form S-3 registration statement (No. 333-285413).

8.01 Other Events · 9.01 Financial Statements and Exhibits

• The notes were sold under an Underwriting Agreement dated July 27, 2026, with Barclays Bank PLC, Citigroup Global Markets Limited, Goldman Sachs & Co. LLC, and Wells Fargo Securities International Limited as representatives of the underwriters.
• The notes were issued under an Indenture dated May 15, 2013, between AT&T and The Bank of New York Mellon Trust Company, N.A., as Trustee.
• The offering was registered under the Securities Act via a Form S-3 Registration Statement (No. 333-285413), supplemented by a prospectus supplement dated July 27, 2026.
• The 8-K was filed to incorporate the underwriting agreement, forms of notes, and legal opinion into AT&T's registration statement.

8.01 Other Events · 9.01 Financial Statements and Exhibits

• The acquired spectrum adds about 30 MHz of nationwide 3.45 GHz mid-band and 20 MHz of nationwide 600 MHz low-band spectrum to AT&T's portfolio.
• To finance part of the purchase price, AT&T drew $11.5 billion on its two-year term loan facility and $3.0 billion on its 364-day term loan facility under its $17.5 billion Delayed Draw Term Loan Credit Agreement with Bank of America, N.A.
• AT&T reiterated its financial outlook and capital allocation plan as provided in its second-quarter 2026 earnings release.
• The company issued a press release on July 28, 2026, which is attached as Exhibit 99.1 to the Form 8-K.

2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement · 7.01 Regulation FD Disclosure · 9.01 Financial Statements and Exhibits

• Diluted EPS from continuing operations was $0.66, versus $0.62 in the year-ago quarter; adjusted EPS was $0.65, versus $0.54.
• Added over 1 million Advanced Connectivity customers, with 646,000 internet net adds (367,000 fiber, 279,000 fixed wireless) and 432,000 postpaid phone net adds.
• Free cash flow was $4.7 billion, versus $4.4 billion in the year-ago quarter.
• Company reiterates full-year 2026 guidance: adjusted EPS of $2.25-$2.35, free cash flow of $18 billion+, and approximately $10 billion in share repurchases in 2026.

2.02 Results of Operations and Financial Condition · 9.01 Financial Statements and Exhibits

• Jennifer Biry was appointed Deputy Chief Financial Officer effective July 6, 2026, and will become Senior Executive Vice President and Chief Financial Officer on January 1, 2027.
• Biry, 52, previously served as CFO and COO of McAfee since 2022 and held senior finance, sales, and strategy roles at AT&T from 1999 to 2022, including CFO of WarnerMedia.
• Biry's stepdaughter is employed by an AT&T subsidiary with approximate 2025 annual gross compensation of $141,090, similar to comparable positions.
• The report was filed on June 16, 2026, covering events from June 11, 2026.

5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements · 9.01 Financial Statements and Exhibits

• At the May 14, 2026 annual meeting, stockholders approved the 2026 Incentive Plan and the amended Stock Purchase and Deferral Plan.
• All ten director nominees were elected, including John T. Stankey, with votes ranging from 93.08% to 99.34% of votes cast.
• Stockholders ratified the appointment of independent auditors and gave non-binding approval of executive compensation.
• Two stockholder proposals—right to act by written consent and EEO-1 report disclosure—were defeated.

5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements · 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year · 5.07 Submission of Matters to a Vote of Security Holders · 9.01 Financial Statements and Exhibits

• The offering comprised five tranches: $750M 4.750% notes due 2033, $1.75B 5.250% notes due 2036, $500M 5.850% notes due 2046, $2.0B 6.200% notes due 2056, and $1.0B 6.300% notes due 2066.
• The notes were sold under an underwriting agreement dated April 23, 2026, with representatives including BBVA Securities, J.P. Morgan, Mizuho, Santander, SG Americas, and SMBC Nikko.
• The notes were issued under an indenture dated May 15, 2013, with The Bank of New York Mellon Trust Company as trustee.
• The Form 8-K was filed to incorporate exhibits into AT&T's existing Form S-3 registration statement.

8.01 Other Events · 9.01 Financial Statements and Exhibits

• First-quarter 2026 income from continuing operations totaled $4.2 billion, or $0.54 per diluted share, compared to $4.7 billion, or $0.61 per diluted share, in the first quarter of 2025.
• On February 2, 2026, AT&T closed its acquisition of substantially all of Lumen Technologies' mass markets fiber business, with assets placed in a wholly owned subsidiary, Forged Fiber 37 Services, LLC, which is held for sale and reported as discontinued operations.
• AT&T repurchased $2.3 billion of common stock in the first quarter of 2026 under the 2024 Authorization, and the Board approved an additional $10 billion repurchase authorization on January 27, 2026.
• The company realigned its reportable segments to Advanced Connectivity, Legacy, and Latin America, effective with first-quarter 2026 reporting.

8.01 Other Events · 9.01 Financial Statements and Exhibits