TELEPHONE & DATA SYSTEMS INC /DE/

Risk Factors

In addition to the information set forth in this Form 10-Q, you should carefully consider the factors discussed in Part I, “Item 1A. Risk Factors” in TDS’ Form 10-K for the year ended December 31, 2025, which could materially affect TDS’ business, financial condition or future results. The risks described in this Form 10-Q and the Form 10-K for the year ended December 31, 2025, may not be the only risks that could affect TDS. Additional unidentified or unrecognized risks and uncertainties could materially adversely affect TDS’ business, financial condition and/or operating results. The following additional risk factor should be read in conjunction with the risk factors previously disclosed in TDS’ Annual Report on Form 10-K for the year ended December 31, 2025.

Announced Transactions and Strategic Alternatives Review Risk Factors

On May 7, 2026, TDS delivered to the Array Board of Directors a non-binding proposal to acquire all of the outstanding Array Common Shares that are not owned by TDS. There can be no guarantee whether any transaction will be accepted, rejected, consummated or abandoned. Further, the proposal (whether accepted, rejected, consummated or abandoned) could result in adverse effects on TDS’ business, financial condition or results of operations.

On May 7, 2026, TDS delivered to the Array Board of Directors a letter setting forth a non-binding proposal to acquire all of the outstanding Array Common Shares that are not owned by TDS. For additional information, see TDS’ Current Report on Form 8-K, filed with the U.S. Securities and Exchange Commission on May 8, 2026. There is no guarantee that any definitive agreement will be entered into or that any transaction will be accepted, rejected, consummated or abandoned, and the terms of any such transaction may differ materially from those originally proposed by TDS. The uncertainty regarding the proposal (whether accepted, rejected, consummated or abandoned) could result in: a diversion of management's attention from TDS’ existing business; a failure to achieve financial and operating objectives; adverse effects on TDS' financial condition or results of operations; a failure to retain key personnel, customers, business partners or contracts; and volatility in TDS' stock price. In addition, the proposal (whether accepted, rejected, consummated or abandoned) may result in the incurrence of significant expenses.