As previously reported, pursuant to our stockholders’ approval at the special meeting of stockholders held on December 15, 2022 (the “Special Meeting”), Mountain Crest Acquisition Corp IV (“Company”) (1) filed an amendment to its Amended and Restated Certificate of Incorporation with the Delaware Secretary of State on December 15, 2022, giving the Company the right to extend the time for the Company to complete its initial business combination (the “Business Combination Period”) from January 2, 2023 to April 2, 2023, plus an option for the Company to further extend such date to July 2, 2023 and (2) entered into an amendment to the Investment Management Trust Agreement, dated as of June 29, 2021, with Continental Stock Transfer & Trust Company, on December 15, 2022 (the “Trust Agreement”), pursuant to which the Company has the right to extend the Business Combination Period under the Trust Agreement from January 2, 2023 to April 2, 2023, plus an option for the Company to further extend such date to July 2, 2023 and to be further extended to the extent the Company’s Amended and Restated Certificate of Incorporation is amended to extend the Business Combination Period. On December 16, 2022, the Company extended the time it has to complete its initial business combination from January 2, 2023 to April 2, 2023 by depositing $581,000 to the trust account on December 16, 2022.

The $581,000 was loaned to the Company, by CH Auto Technology Corporation Ltd. (“CH AUTO”), the target company to the Company’s proposed business combination. On December 21, 2022, the Company issued an unsecured promissory note in the aggregate principal amount up to $581,000 (the “Note”) to CH AUTO. Pursuant to the Note, CH AUTO loaned the Company an aggregate amount of $581,000 that is due and payable on the earlier of: (i) the date on which Company consummates an initial business combination with a target business, or (ii) the date the Company liquidates if a business combination is not consummated. The Note does not bear interest. In the event that the Company does not consummate a business combination, the Note will be forgiven, except to the extent of funds remaining outside of the Company’s trust account, if any. In addition, the Note may be converted at the closing of a business combination by the Company into the Company’s common stock or ordinary shares, at CH AUTO’s option, at a price of $10.00 per share of common stock or ordinary share.

The proceeds of the Note have been used by the Company to make a deposit in the Trust Account to extend the time period for the Company to consummate its initial business combination from January 2, 2023 to April 2, 2023.

The foregoing description of the Note is qualified in its entirety by reference to the full text of the Note, a copy of which is filed with this Current Report on Form 8-K as Exhibit 10.1 and is incorporated herein by reference.

IMPORTANT NOTICES

Additional Information and Where to Find It

On April 30, 2022, Mountain Crest Acquisition Corp. IV, a Delaware corporation (“MCAF”), entered into that certain Agreement and Plan of Merger (as may be amended, supplemented or otherwise modified from time to time, the “Merger Agreement”), by and among MCAF, CH AUTO, Inc., a Cayman Islands exempted company (Pubco”), CH-AUTO Company Merger Sub Corp., a Delware corporation and wholly owned subsidiary of Pubco (“Company Merger Sub”) and CH-AUTO TECHNOLOGY CORPORATION LTD., a company orgianized under the law of the People’s Republic of China (the “Company”), pursuant to which, among other things, MCAF, Pubco, Company Merger Sub and the Company intend to effect a merger of Company Merger Sub with and into MCAF whereby MCAF will be the surviving corporation (the “Surviving Corporation”) and a wholly owned subsidiary of Pubco (the “Merger”) in accordance with the Merger Agreement and the General Corporation Law of the State of Delaware (the “DGCL”). In connection with the Merger, the name of the Surviving Corporation shall be changed to CH Autotech USA, Inc. Following the Merger, Pubco expects its ordinary shares to be traded on The Nasdaq Stock Market. .In connection with this transaction, Pubco and MCAF will file relevant materials with the Securities and Exchange Commission (the “SEC”), including the Registration Statement on Form F-4 and a proxy statement (the “Registration Statement”). The Registration Statement will include a proxy statement to be distributed to holders of MCAF’s common stock in connection with MCAF’s solicitation of proxies for the vote by MCAF shareholders with respect to the proposed transaction and other matters as described in the Registration Statement, as well as the prospectus relating to the offer of securities to be issued to the Company’s stockholders in connection with the proposed business combination. After the Registration Statement has been filed and declared effective, MCAF will mail a definitive proxy statement, when available, to its stockholders. Investors and security holders and other interested parties are urged to read the Registration Statement, any amendments thereto and any other documents filed with the SEC carefully and in their entirety when they become available because they will contain important information about MCAF, the Company and the proposed business combination. Additionally, MCAF will file other relevant materials with the SEC in connection with the business combination. Copies of these documents may be obtained free of charge at the SEC’s web site at www.sec.gov. Securityholders of MCAF are urged to read the Registration Statement and the other relevant materials when they become available before making any voting decision with respect to the proposed business combination because they will contain important information. The Registration Statement and proxy statement, once available, may also be obtained without charge at the SEC’s website at www.sec.gov or by writing to MCAF at 311 West 43rd Street, 12th Floor, New York, NY 10036. INVESTORS AND SECURITY HOLDERS OF MCAF ARE URGED TO READ THESE MATERIALS (INCLUDING ANY AMENDMENTS OR SUPPLEMENTS THERETO) AND ANY OTHER RELEVANT DOCUMENTS IN CONNECTION WITH THE TRANSACTIONS THAT MCAF WILL FILE WITH THE SEC WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT MCAF, THE COMPANY AND THE TRANSACTIONS.

Important Notice Regarding Forward-Looking Statements

This Current Report on Form 8-K contains certain “forward-looking statements” within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934, both as amended. Statements that are not historical facts, including statements about the pending transactions described above, and the parties’ perspectives and expectations, are forward-looking statements. Such statements include, but are not limited to, statements regarding the proposed transaction, including the anticipated initial enterprise value and post-closing equity value, the benefits of the proposed transaction, integration plans, expected synergies and revenue opportunities, anticipated future financial and operating performance and results, including estimates for growth, the expected management and governance of the combined company, and the expected timing of the transactions. The words “expect,” “believe,” “estimate,” “intend,” “plan” and similar expressions indicate forward-looking statements. These forward-looking statements are not guarantees of future performance and are subject to various risks and uncertainties, assumptions (including assumptions about general economic, market, industry and operational factors), known or unknown, which could cause the actual results to vary materially from those indicated or anticipated.

The forward-looking statements are based on the current expectations of the management of MCAF and the Company, as applicable, and are inherently subject to uncertainties and changes in circumstances and their potential effects and speak only as of the date of such statement. There can be no assurance that future developments will be those that have been anticipated. These forward-looking statements involve a number of risks, uncertainties or other assumptions that may cause actual results or performance to be materially different from those expressed or implied by these forward-looking statements including: risks related to the Company’s businesses and strategies; the ability to complete the proposed business combination due to the failure to obtain approval from MCAF’s stockholders or satisfy other closing conditions in the definitive merger agreement; the amount of any redemptions by existing holders of MCAF’s common stock; the ability to recognize the anticipated benefits of the business combination; in the final prospectus of Mountain Crest Acquisition Corp. IV for its initial public offering dated June 29, 2021; and in Mountain Crest Acquisition Corp. IV’s other filings with the SEC. Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those indicated or anticipated by such forward-looking statements. Accordingly, you are cautioned not to place undue reliance on these forward-looking statements. Forward-looking statements relate only to the date they were made, and MCAF, the Company and their subsidiaries undertake no obligation to update forward-looking statements to reflect events or circumstances after the date they were made except as required by law or applicable regulation.

Participants in Solicitation

MCAF the Company and their respective directors and executive officers may be deemed participants in the solicitation of proxies with respect to the proposed business combination under the rules of the SEC. Securityholders may obtain more detailed information regarding the names, affiliations, and interests of certain of MCAF’s executive officers and directors in the solicitation by reading MCAF’s Registration Statement and other relevant materials filed with the SEC in connection with the proposed business combination when they become available. Information about MCAF’s directors and executive officers and their ownership of MCAF common stock is set forth in MCAF’s prospectus related to its initial public offering dated June 29, 2021, as modified or supplemented by any Form 3 or Form 4 filed with the SEC since the date of that filing. Other information regarding the interests of MCAF’s participants in the proxy solicitation, which in some cases, may be different than those of their stockholders generally, will be set forth in the Registration Statement relating to the proposed business combination when it becomes available. These documents can be obtained free of charge at the SEC’s web site at www.sec.gov.

The Company and its directors and executive officers may also be deemed to be participants in the solicitation of proxies from the stockholders of MCAF in connection with the proposed business combination. A list of the names of such directors and executive officers and information regarding their interests in the proposed business combination will be included in the Registration Statement for the proposed business combination.

No Offer or Solicitation

This Current Report on Form 8-K is not a proxy statement or solicitation of a proxy, consent or authorization with respect to any securities or in respect of the transactions described above and shall not constitute an offer to sell or a solicitation of an offer to buy the securities of MCAF or the Company, nor shall there be any sale of any such 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. No offering of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act of 1933, as amended, or an exemption therefrom.