Tempo SPAC Presentation Deck

Disclaimer This presentation (this "Presentation") is provided for informational purposes only and has been prepared to assist interested parties in making their own evaluation with respect to a potential business combination between Tempo Automation, Inc. (collectively with its subsidiaries and pro forma for its acquisition of Compass AC Holdings, Inc. and Whizz Systems, Inc., "Tempo") and ACE Convergence Acquisition Corp. ("ACE", "NASDAQ: ACEV", "NASDAQ: ACEVW", "NASDAQ: ACEVU") and related transactions (the "Proposed Business Combination") and for no other purpose. No representations or warranties, express or implied are given in, or respect of, this Presentation. This Presentation does not purport to be all-inclusive or to contain all of the information that may be required to make a full analysis of Tempo or the Proposed Business Combination. Viewers of this Presentation should each make their own evaluation of Tempo and of the relevance and adequacy of the information and should make such other investigations as they deem necessary. By reviewing or reading this Presentation, you will be deemed to have agreed to the obligations and restrictions set out below. Without the express prior written consent of ACE and Tempo, this Presentation and any information contained within it may not be (i) reproduced (in whole or in part), (ii) copied at any time, (iii) used for any purpose other than your evaluation of Tempo or (iv) provided to any other person, except your employees and advisors with a need to know who are advised of the confidentiality of the information. This Presentation supersedes and replaces all previous oral or written communications between the parties hereto relating to the subject matter hereof. Forward-Looking Statements This document contains certain forward-looking statements within the meaning of the federal securities laws with respect to the Proposed Business Combination, including statements regarding the benefits of the Proposed Business Combination, the anticipated timing of the Proposed Business Combination, the services offered by Tempo and the markets in which it operates, and Tempo's projected future results. 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 document, including but not limited to: (i) the risk that the Proposed Business Combination may not be completed in a timely manner or at all, which may adversely affect the price of ACE's securities, (ii) the risk that the acquisition by Tempo Automation, Inc. of each of Compass AC Holdings, Inc. and Whizz Systems, Inc. may not be completed in a timely manner or at all, (iii) the risk that the Proposed Business Combination may not be completed by ACE's business combination deadline and the potential failure to obtain an extension of the business combination deadline if sought by ACE, (iv) the failure to satisfy the conditions to the consummation of the Proposed Business Combination, including the receipt of the requisite approvals of ACE's and Tempo's stockholders, the satisfaction of the minimum trust account amount following redemptions by ACE's public shareholders and the receipt of certain governmental and regulatory approvals, (v) the lack of a third party valuation in determining whether or not to pursue the Proposed Business Combination, (vi) the occurrence of any event, change or other circumstance that could give rise to the termination of the agreement and plan of merger, (vii) the effect of the announcement or pendency of the Proposed Business Combination on Tempo's business relationships, performance, and business generally, (viii) risks that the Proposed Business Combination disrupts current plans of Tempo and potential difficulties in Tempo employee retention as a result of the Proposed Business Combination, (ix) the outcome of any legal proceedings that may be instituted against Tempo or against ACE related to the agreement and plan of merger or the Proposed Business Combination, (x) the ability to maintain the listing of ACE's securities on The Nasdaq Stock Market LLC, (xi) the price of ACE's securities may be volatile due to a variety of factors, including changes in the competitive and highly regulated industries in which Tempo plans to operate, variations in performance across competitors, changes in laws and regulations affecting Tempo's business and changes in the combined capital structure, (xii) the ability to implement business plans, forecasts, and other expectations after the completion of the Proposed Business Combination, and identify and realize additional opportunities, and (xiii) the risk of downturns in the highly competitive additive manufacturing 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 ACE's Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, the Registration Statement (as defined below), the proxy statement /prospectus contained therein, and the other documents filed by ACE from time to time with the U.S. Securities and Exchange Commission (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 Tempo and ACE 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 Tempo nor ACE gives any assurance that either Tempo or ACE, respectively, will achieve its expectations. Additional Information and Where to Find It ACE and Tempo and their respective directors and executive officers, under SEC rules, may be deemed to be participants in the solicitation of proxies of ACE's shareholders in connection with the Potential Business Combination. Investors and security holders may obtain more detailed information regarding the names and interests in the Potential Business Combination of ACE's directors and officers in ACE's filings with the SEC, including ACE's registration statement on Form S-1, which was originally filed with the SEC on July 6, 2020. To the extent that holdings of ACE's securities have changed from the amounts reported in ACE's registration statement on Form S-1, such changes have been or will be reflected on Statements of Change in Ownership on Form 4 filed with the SEC. Information regarding the persons who may, under SEC rules, be deemed participants in the solicitation of proxies to ACE's shareholders in connection with the Potential Business Combination is set forth in the proxy statement/prospectus on Form S-4 for the Proposed Business Combination (the "Registration Statement"), which is expected to be filed by ACE with the SEC. ACE will also file other documents regarding the Proposed Business Combination with the SEC. Before making any voting decision, investors and security holders of ACE and Tempo are urged to read the Registration Statement, the proxy statement/prospectus contained therein, and all other relevant documents filed or that will be filed with the SEC in connection with the Proposed Business Combination as they become available because they will contain important information about the Proposed Business Combination. Investors and security holders will be able to obtain free copies of the proxy statement/prospectus and all other relevant documents filed or that will be filed with the SEC by ACE through the website maintained by the SEC at www.sec.gov. In addition, the documents filed by ACE may be obtained free of charge from ACE's website at www.acev.io or by written request to ACE at ACE Convergence Acquisition Corp., 1013 Centre Road, Suite 403S, Wilmington, DE 19805. INVESTMENT IN ANY SECURITIES DESCRIBED HEREIN HAS NOT BEEN APPROVED OR DISAPPROVED BY THE SEC OR ANY OTHER REGULATORY AUTHORITY NOR HAS ANY AUTHORITY PASSED UPON OR ENDORSED THE MERITS OF THE OFFERING OR THE ACCURACY OR ADEQUACY OF THE INFORMATION CONTAINED HEREIN. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE Participants in Solicitation ACE and Tempo and their respective directors and officers may be deemed to be participants in the solicitation of proxies from ACE's stockholders in connection with the Proposed Business Combination. Information about ACE's directors and executive officers and their ownership of ACE's securities is set forth in ACE's filings with the SEC, including ACE's Annual Report on Form 10-K for the fiscal year ended December 31, 2020, which was filed with the SEC on March 26, 2020. To the extent that holdings of ACE's securities have changed since the amounts printed in ACE's Annual Report on Form 10-K for the fiscal year ended December 31, 2019, which was filed with the SEC on March 17, 2021 and subsequently amended on May 6, 2021, such changes have been or will be reflected on Statements of Change in Ownership on Form 4 filed with the SEC. Additional information regarding the interests of those persons and other persons who may be deemed participants in the Proposed Business Combination may be obtained by reading the proxy statement/prospectus regarding the Proposed Business Combination when it becomes available. You may obtain free copies of these documents as described in the preceding paragraph. T OCTOBER 2021 2 STRICTLY PRIVATE & CONFIDENTIAL