Telephone and Data Systems Inc. $(TDS)$ has entered into a Fourth Amendment to its First Amended and Restated Credit Agreement with Wells Fargo Bank, National Association, and other lenders, effective December 8, 2025. The amendment extends the maturity date of the credit facility to the fifth anniversary of the effective date and removes the previously applicable credit spread adjustment to the Term SOFR interest rate. Additionally, the maximum permitted cash netting for consolidated leverage ratio calculations is now capped at an amount equal to consolidated EBITDA for the prior four fiscal quarters. The amendment also increases the capacity for secured debt at TDS and both secured and unsecured debt at its subsidiaries by a combined $300 million.