X0306 4 2022-02-23 0 0000923571 US XPRESS ENTERPRISES INC USX 0001378975 Fuller William Eric 4080 JENKINS RD. CHATTANOOGA TN 37421 1 1 1 1 President & CEO Co-Trustee & Managing GP 0001743586 Max L. Fuller 2008 Irrevocable Trust FBO William E. Fuller 4080 JENKINS ROAD CHATTANOOGA TN 37421 0 0 1 0 Class A Common Stock 2022-02-23 4 A 0 222222 0 A 617061 D Class B Common Stock 741866 D Class B Common Stock 1993269 I Co-Trustee Class B Common Stock 1609613 I Managing General Partner Performance Restricted Stock Units 2022-02-23 4 A 0 55556 0 A Class A Common Stock 55556 55556 D Represents a restricted stock award under the 2018 Omnibus Incentive Plan, as amended. The award vests in four approximately equal installments on each of March 15, 2023, 2024, 2025, and 2026 and is subject to certain vesting, forfeiture, and termination provisions. Shares held by Mr. Eric Fuller. Shares held by the Max L. Fuller 2008 Irrevocable Trust FBO William E. Fuller (the "Trust") of which Mr. Eric Fuller is a co-trustee, along with his mother, Ms. Janice Fuller. Mr. Eric Fuller and Ms. Janice Fuller have shared dispositive power with respect to shares held in the Trust, and Mr. Eric Fuller has sole voting power. Shares held by Max Fuller Limited Partnership, in which Mr. Eric Fuller is the managing general partner. Mr. Eric Fuller disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all the reported shares for purposes of Section 16 or for any other purposes. 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/ William Eric Fuller, by Heidi Hornung-Scherr, attorney-in-fact, pursuant to a POA previously filed with the SEC 2022-02-25 /s/ William Eric Fuller, trustee Max L. Fuller 2008 Irrevocable Trust FBO William E. Fuller, by Heidi Hornung-Scherr, attorney-in-fact, pursuant to a POA previously filed with the SEC 2022-02-25