X0306 4/A 2022-05-10 2022-05-12 0 0000923571 US XPRESS ENTERPRISES INC USX 0000931421 FULLER MAX L 4080 JENKINS ROAD CHATTANOOGA TN 37421 1 1 1 1 Executive Chairman Member & Co-Trustee 0001743588 Fuller Janice 4080 JENKINS ROAD CHATTANOOGA TN 37421 0 0 1 0 0001743589 Fuller Family Enterprises, LLC 4080 JENKINS ROAD CHATTANOOGA TN 37421 0 0 1 0 Class A Common Stock 2022-05-12 4 P 0 118108 2.9895 A 1393636 I Member On May 12, 2022, the reporting persons filed a Form 4 which inadvertently omitted the purchase of 118,108 shares of Class A common stock by Fuller Family Enterprises, LLC on May 12, 2022. Price of $2.9895 is a weighted average purchase price for multiple transactions ranging from $2.95 to $3.00, inclusive. The reporting persons undertake to provide, upon request by the SEC staff, the issuer, or a stockholder of the issuer, full information regarding the number of shares purchased at each separate price. Shares held by Fuller Family Enterprises, LLC, in which Mr. Max Fuller and Ms. Janice Fuller are each members. Mr. Max Fuller and Ms. Janice Fuller each disclaim beneficial ownership of these securities except to the extent of his or her respective 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 securities for purposes of Section 16 or for any other purpose. /s/ Max L. Fuller, by Heidi Hornung-Scherr, attorney-in-fact, pursuant to a POA previously filed with the SEC 2022-05-18 /s/ Janice Fuller, by Heidi Hornung-Scherr, attorney-in-fact, pursuant to a POA previously filed with the SEC 2022-05-18 /s/ Max L. Fuller, member Fuller Family Enterprises, LLC, by Heidi Hornung-Scherr, attorney-in-fact, pursuant to a POA previously filed with the SEC 2022-05-18