TuSimple Holdings Inc. Confidential and Anonymous Ethics and Compliance Hotline

The Ethics and Compliance Hotline is an important part of TuSimple's governance structure, and provides a way to anonymously report inappropriate behavior, misuse of TuSimple resources, or potential violations of laws, regulations or company policies. You may leave a message using any one of two methods: Secure Web Form and Secure Hotline.

When you send a message using any of these methods, you will receive back a 14 to 16-digit code that can be used to access the status of your message. The Audit Committee may also use this to ask you, with complete confidentiality, for additional information regarding this issue.

Select link to anonymously follow up on your message.

Thank you. Integrity is everyone's responsibility at TUSIMPLE HOLDINGS, INC.