X0306 4 2021-04-19 0 0001823593 TuSimple Holdings Inc. TSP 0001851981 Lu Cheng 9191 TOWNE CENTRE DRIVE, STE 600 SAN DIEGO CA 92122 1 1 0 0 See Remarks Common Stock 2021-04-19 4 J 0 1225000 D 0 D Common Stock 2021-04-19 4 J 0 900000 D 0 I By corporation Class A Common Stock 2021-04-19 4 J 0 1225000 A 1225000 D Class A Common Stock 2021-04-19 4 J 0 900000 A 900000 I By corporation The reported security converted into the Issuer's Common Stock on a one-for-one basis automatically immediately prior to the closing of the issuer's initial public offering without payment of further consideration. The shares have no expiration date. The shares are held by Hickory Wood Grove LLC, a limited liability company incorporated in Delaware and beneficially owned by the Reporting Person. Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was automatically reclassified into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock. One-third of the shares are subject to the issuer's right of repurchase, which shall lapse on January 1, 2022, subject to the Reporting Person's continuous service with the issuer. President and Chief Executive Officer /s/ James Mullen - Attorney-in-Fact 2021-04-21