X0306 4 2022-02-23 0 0000923571 US XPRESS ENTERPRISES INC USX 0001795486 Harness Justin C 4080 JENKINS ROAD CHATTANOOGA TN 37421 0 1 0 0 Chief Revenue Officer Class A Common Stock 2022-02-23 4 A 0 44133 0 A 118271 D Performance Restricted Stock Units 2022-02-23 4 A 0 8533 0 A Class A Common Stock 8533 8533 D Represents restricted stock awards under the 2018 Omnibus Incentive Plan, as amended. The awards vest in four approximately equal installments on each of March 15, 2023, 2024, 2025, and 2026 and are subject to certain vesting, forfeiture, and termination provisions. The Performance Restricted Stock Units ("PRSUs") represent the contingent right to receive one share of the issuer's Class A Common Stock. The PRSUs will vest upon achievement of certain performance goals, subject to certain vesting, forfeiture, and termination provisions. /s/ Justin C. Harness, by Heidi Hornung-Scherr, attorney-in-fact, pursuant to a POA previously filed with the SEC 2022-02-25