ARRAY DIGITAL INFRASTRUCTURE, INC. — Director's Dealing 2025

Mar 7, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNITED STATES CELLULAR CORP (USM)
CIK: 0000821130
Period of Report: 2025-03-03

Reporting Person: Chambers Douglas W (Director, EVP-CFO & Treasurer)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-03-03	Restricted Stock Units	$	A	11484	Acquired		Common Shares (11484)	Direct
2025-03-03	Performance Share Units	$	A	8613	Acquired		Common Shares (8613)	Direct

Footnotes

F1: These restricted stock units were awarded under the United States Cellular Corporation Long-Term Incentive Plan. These restricted stock units will ratably vest on the first, second and third anniversaries of the grant date.

F2: On March 3, 2025, the reporting person was granted an award based on the achievement of certain performance measures, except that such award provides that in no event shall the number of shares subject to the award be less than 75% of the target opportunity as of the grant date. Accordingly, the reporting person is reporting a stock award of 75% of the target opportunity as of the grant date. To the extent that the actual amount is determined to be greater than 75% of the target opportunity based on the final determination of the performance measures, the reporting person will file a Form 4 at such time to report the additional award above 75% of the target opportunity.