UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For transition period from to Commission File Number 001-39598 XOS, INC. (Exact name of registrant as specified in its charter) Delaware 98-1550505 (State or other jurisdiction of (I.R.S. Employ ...

Xos, Inc. (NASDAQ:XOS) Q4 2023 Earnings Conference Call March 21, 2024 4:30 PM ET Company Participants Christen Romero - General Counsel Dakota Semler - CEO Giordano Sordoni - COO Liana Pogosyan - Acting CFO Conference Call Participants Donovan Schafer - Northland Capital Markets Michael Shlisky - D.A. Davidson Steven Wahrhaftig - WedBush Operator Greetings, and welcome to Xos Inc. Fourth Quarter and Full Year 2023 Earnings Call. [Operator Instructions] Please note, this conference is being recorded. At thi ...

Exhibit 99.1 Market Leader Xos Positioned for Strong 2024 by Gross Margin Improvement and Pending Acquisition Full Year Revenue increased 22% year-over-year Strong positive gross margins in the third and fourth quarters of 2023 Entered into a definitive agreement to acquire ElectraMeccanica and significantly strengthen Xos’ balance sheet LOS ANGELES, CA – March 21, 2024 – Xos, Inc. (NASDAQ: XOS) (“Xos” or the “Company”), a leading electric truck manufacturer and fleet services provider, today reported finan ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _______________________________________________________________________________ FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________ Commission file number 001-3959 ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _______________________________________________________________________________ FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________ Commission file number 001-39598 XOS ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _______________________________________________________________________________ FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________ Commission file number 001-39598 XO ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For transition period from to Commission File Number 001-39598 XOS, INC. (Exact name of registrant as specified in its charter) Delaware 98-1550505 (State or other jurisdiction of (I.R.S. Employ ...