X0306 4/A 2021-11-10 2021-11-15 0 0001819493 Xos, Inc. XOS 0001192748 MATHEW SARA C/O XOS, INC. 3550 TYBURN STREET, UNIT 100 LOS ANGELES CA 90065 1 0 0 0 Common Stock 2021-09-28 4 A 0 296053 A 296053 I By Trust Common Stock Warrant (Right to Buy) 11.50 2021-09-28 4 J 0 199997 A 2021-09-20 2026-08-20 Common Stock 199997 199997 I By Trust Restricted Stock Unit 2021-11-10 4 A 0 57229 A Common Stock 57229 57229 D Restricted Stock Unit 2021-11-10 4 A 0 31794 A Common Stock 31794 31794 D Pro rata distribution by NextGen Sponsor LLC of all of its securities of Xos, Inc., which is exempt from Section 16 by 17 CFR 240.16a-9. The transaction is being voluntarily reported for informational purposes only. Shares are held by the Jacob Mathew 2020 Irrevocable Trust ("Mathew Trust"), of which the Reporting Person is trustee. On November 15, 2021, the Reporting Person filed a Form 4 that inadvertently reported code "P," but should be code "J." The price is N/A. The restricted stock units vest in a series of three equal annual installments on each of the first, second and third year anniversaries of the grant date of November 10, 2021 (the "Grant Date"), subject to such individual's continuous service with Xos, Inc. through such vesting date. Date is N/A. The restricted stock units vest on the earlier of (i) the first anniversary of the Grant Date and (ii) the day before the next annual meeting of Xos, Inc. following the Grant Date, subject to such individual's continuous service with Xos, Inc. through the vesting date. This Amendment to Form 4 is being filed solely to correct the code identified in Table II, Column 4 that was inadvertently reported as code "P," but should be code "J." /s/ Kris Tsao Cachia, Attorney-in-Fact for S. Sara Mathew 2021-11-15