Xos Registration Statement Related to Business Combination With NextGen Acquisition Corporation Declared Effective by SEC

• Special meeting of stockholders of NextGen Acquisition Corporation scheduled for August 18, 2021 at 9:00 a.m. Eastern time
• Upon closing, Xos will be listed on NASDAQ under the new ticker symbol “XOS”
• The boards of directors of Xos and NextGen Acquisition Corporation have unanimously approved the Business Combination

NextGen Acquisition Corporation (NASDAQ:NGAC) (“NextGen”) today announced its Registration Statement on Form S-4 in connection with the previously announced business combination (the “Business Combination”) with Xos, Inc. ("Xos" or the "Company"), a leading manufacturer of fully electric Class 5 to Class 8 commercial vehicles, has been declared effective by the Securities and Exchange Commission (the “SEC”).

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NextGen has set August 18, 2021 at 9:00 a.m. Eastern time for a special meeting of stockholders to approve the proposals associated with the Business Combination. The proxy statement to its stockholders is available at: https://www.sec.gov/Archives/edgar/data/1819493/000121390021039526/f424b30721_nextgenacq.htm.

NextGen stockholders of record as of the close of business on July 2, 2021 will be mailed the proxy materials in connection with the Business Combination and will be entitled to vote at the special meeting. The boards of directors of Xos and NextGen have unanimously approved the Business Combination.

“We are pleased to have achieved this milestone and to announce a date for the Special Meeting of NextGen stockholders,” said George Mattson, Co-Founder and Co-Chairman of NextGen. “As we enter the final stages of consummating our merger with Xos, we look forward to bringing Xos to the public markets and working closely with the new Xos to realize its ambitious and achievable vision to decarbonize commercial fleets.”

“2021 has been a year of tremendous growth for us," said Dakota Semler, Co-Founder and CEO of Xos. "We broadened our customer relationships and deepened important partnerships. We invested in key hires, and launched new business units. Our merger transaction will accelerate our goal of a zero-emissions future by allowing Xos to introduce electric vehicles and fleet support networks to more locations in the US and abroad.”

Subject to stockholder approval and other customary closing conditions identified in the business combination agreement, the Business Combination is expected to close as soon as practicable following the special meeting.

About NextGen

NextGen Acquisition Corporation is a blank check company whose business purpose is to effect a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or similar business combination with one or more businesses. NextGen is led by George Mattson, a former Partner at Goldman, Sachs & Co., and Gregory Summe, former Chairman and CEO of Perkin Elmer and Vice Chairman of the Carlyle Group. NextGen is listed on NASDAQ under the ticker symbol "NGAC." For more information, please visit www.nextgenacq.com.

About Xos, Inc.

Xos, Inc. is an electric mobility company dedicated to making fleets more efficient. Xos designs and develops fully electric battery mobility systems specifically for commercial fleets. The company’s primary focus is on medium- and heavy-duty commercial vehicles that travel on “last mile” routes (i.e. predictable routes that are less than 200 miles per day). The company leverages its proprietary technologies to provide commercial fleets zero emission vehicles that are easier to maintain and more cost-efficient on a total cost of ownership (TCO) basis than their internal combustion engine and commercial EV counterparts. For more information, please visit www.xostrucks.com.

IMPORTANT LEGAL INFORMATION

Additional Information and Where to Find It

This document relates to a proposed transaction between Xos and NextGen. This document is not a proxy statement or solicitation of a proxy, consent or authorization with respect to any securities or in respect of the potential transaction and shall not constitute an offer to sell or a solicitation of an offer to buy any securities, nor shall there be any sale of securities in any state or jurisdiction in which such offer, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of such state or jurisdiction. In connection with the proposed transaction, NextGen filed a registration statement on Form S-4 with the SEC on May 14, 2021, as amended on June 25, 2021, July 22, 2021, July 28, 2021 and July 29, 2021, which was declared effective by the SEC on July 30, 2021 and includes a document that serves as a prospectus and proxy statement of NextGen (the “proxy statement/prospectus”). A definitive proxy statement/prospectus will be mailed to all NextGen’s shareholders of record as of July 2, 2021, the record date established for the extraordinary general meeting of shareholders relating to the proposed transaction, on or around August 2, 2021. NextGen also will file other documents regarding the proposed transaction with the SEC. Before making any voting decision, investors and security holders of NextGen are urged to read the registration statement, the proxy statement/prospectus included therein and all other relevant documents filed or that will be filed with the SEC in connection with the proposed transaction as they become available because they will contain important information about the proposed transaction. Investors and security holders may obtain free copies of the registration statement, the proxy statement/prospectus included therein and all other relevant documents filed or that will be filed with the SEC by NextGen through the website maintained by the SEC at www.sec.gov. The documents filed by NextGen with the SEC also may be obtained free of charge at NextGen’s website at https://www.nextgenacq.com/nextgen-i.html or upon written request to 2255 Glades Road, Suite 324A, Boca Raton, Florida 33431.

Participants in the Solicitation

NextGen and Xos and their respective directors and executive officers may be deemed to be participants in the solicitation of proxies from NextGen’s shareholders in connection with the proposed transaction. Additional information regarding the interests of those persons and other persons who may be deemed participants in the proposed transaction may be obtained by reading the proxy statement/prospectus. You may obtain a free copy of this document as described in the preceding paragraph.

Cautionary Statement Regarding Forward-Looking Statements

This press release contains certain forward-looking statements within the meaning of the federal securities laws with respect to the proposed transaction between Xos and NextGen, including statements regarding the anticipated timing of the transaction and the products, customers and markets of Xos. These forward-looking statements generally are identified by the words “believe,” “project,” “expect,” “anticipate,” “estimate,” “intend,” “strategy,” “future,” “opportunity,” “plan,” “may,” “should,” “will,” “would,” “will be,” “will continue,” “will likely result,” and similar expressions. Forward-looking statements are predictions, projections and other statements about future events that are based on current expectations and assumptions and, as a result, are subject to risks and uncertainties. Many factors could cause actual future events to differ materially from the forward-looking statements in this press release, including but not limited to: (i) the risk that the transaction may not be completed in a timely manner or at all, which may adversely affect the price of NextGen’s securities, (ii) the risk that the transaction may not be completed by NextGen’s business combination deadline and the potential failure to obtain an extension of the business combination deadline if sought by NextGen, (iii) the failure to satisfy the conditions to the consummation of the transaction, including the adoption of the Merger Agreement by the shareholders of NextGen, the availability of the minimum amount of cash available in the trust account in which substantially all of the proceeds of NextGen's initial public offering and private placements of its warrants have been deposited following redemptions by NextGen’s public shareholders and the receipt of certain governmental and regulatory approvals, (iv) the lack of a third party valuation in determining whether or not to pursue the proposed transaction, (v) the inability to complete the PIPE investment in connection with the transaction, (vi) the occurrence of any event, change or other circumstance that could give rise to the termination of the Merger Agreement, (vii) the effect of the announcement or pendency of the transaction on Xos’s business relationships, operating results, and business generally, (viii) risks that the proposed transaction disrupts current plans and operations of Xos and potential difficulties in Xos employee retention as a result of the transaction, (ix) the outcome of any legal proceedings that may be instituted against Xos or against NextGen related to the Merger Agreement or the proposed transaction, (x) the ability to maintain the listing of NextGen’s securities on a national securities exchange, (xi) the price of NextGen’s securities may be volatile due to a variety of factors, including changes in the seven competitive and regulated industries in which NextGen plans to operate or Xos operates, variations in operating performance across competitors, changes in laws and regulations affecting NextGen’s or Xos’ business, Xos’ inability to implement its business plan or meet or exceed its financial projections and changes in the combined capital structure, (xii) the ability to implement business plans, forecasts, and other expectations after the completion of the proposed transaction, and identify and realize additional opportunities, and (xiii) the risk of downturns and a changing regulatory landscape in the highly competitive electric vehicle industry. The foregoing list of factors is not exhaustive. You should carefully consider the foregoing factors and the other risks and uncertainties described in the “Risk Factors” section of NextGen’s registration statement on Form S-1 (File No. 333-248921), the registration statement on Form S-4 discussed above, the definitive proxy statement/prospectus and other documents filed or that may be filed by NextGen from time to time with the SEC. These filings identify and address other important risks and uncertainties that could cause actual events and results to differ materially from those contained in the forward-looking statements. Forward-looking statements speak only as of the date they are made. Readers are cautioned not to put undue reliance on forward looking statements, and Xos and NextGen assume no obligation and do not intend to update or revise these forward-looking statements, whether as a result of new information, future events, or otherwise. Neither Xos nor NextGen gives any assurance that either Xos or NextGen, or the combined company, will achieve its expectations.

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