Transaction Details

Footnotes

The shares reported in this transaction represent Restricted Stock Units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock upon settlement. The RSUs vest on the earlier of (i) the first anniversary of the Grant date and (ii) the day before the Company's 2026 Annual Meeting, subject to the Reporting Person's continuous service with Xos, Inc. through the vesting date | Includes 62,377 unvested RSUs. | The shares reported in this transaction represent RSUs that were issued to the Reporting Person in lieu of the cash retainer for the Reporting Person's service as Audit Committee Chair in Q2 2025. The RSUs reported vested immediately on the date of grant. | Shares are held by the Edward Joseph Rapp TTEE U/A DTD 02/07/2005, of which the Reporting Person is trustee.