# EDGAR Filing Document

**Accession Number:** 0001859035
**File Stem:** 0001829126-23-001575
**Filing Date:** 2023-2
**Character Count:** 29406
**Document Hash:** fb97368b804032b548a36d0fc23dfd54
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001829126-23-001575.hdr.sgml**: 20230216

**ACCESSION NUMBER**: 0001829126-23-001575

**CONFORMED SUBMISSION TYPE**: 425

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20230216

**DATE AS OF CHANGE**: 20230216

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Mountain Crest Acquisition Corp. V
- **CENTRAL INDEX KEY:** 0001859035
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 425
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41062
- **FILM NUMBER:** 23638444

**BUSINESS ADDRESS:**
- **STREET 1:** 311 WEST 43RD STREET, 12TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10036
- **BUSINESS PHONE:** 646-493-6558

**MAIL ADDRESS:**
- **STREET 1:** 311 WEST 43RD STREET, 12TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10036
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Mountain Crest Acquisition Corp. V
- **CENTRAL INDEX KEY:** 0001859035
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 425

**BUSINESS ADDRESS:**
- **STREET 1:** 311 WEST 43RD STREET, 12TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10036
- **BUSINESS PHONE:** 646-493-6558

**MAIL ADDRESS:**
- **STREET 1:** 311 WEST 43RD STREET, 12TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10036

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**Form 8-K**

**Current Report**

**Pursuant to Section 13 or 15(d) of the**

**Securities Exchange Act of 1934**

**February 15, 2023**

Date of Report (Date of earliest event reported)

**<u>Mountain Crest Acquisition Corp. V</u>**

(Exact Name of Registrant as Specified in its Charter)

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| | | |
|:---|:---|:---|
| **Delaware** | **001-41062** | **86-1768041** |
| (State or other jurisdiction<br> of incorporation) | (Commission File Number) | (I.R.S. Employer<br> Identification No.) |

---

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| | |
|:---|:---|
| **311 West 43rd Street, 12th Floor**<br> **New York, NY** | **10036** |
| (Address of Principal Executive Offices) | (Zip Code) |

---

Registrant's telephone number, including area code: **(646) 493 6558**

**N/A**

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☒ Written communications pursuant to Rule 425 under the Securities Act

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act

Securities registered pursuant to Section 12(b) of the Act:

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| | | |
|:---|:---|:---|
| **Title of each class** | **Trading Symbol(s)** | **Name of each exchange on which registered** |
| Common Stock | MCAG | The Nasdaq Stock Market LLC |
| Rights | MCAGR | The Nasdaq Stock Market LLC |
| Units | MCAGU | The Nasdaq Stock Market LLC |

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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

**Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.**

As previously reported, pursuant to the stockholders' approval at the special meeting of stockholders held on December 20, 2022 (the "Special Meeting"), Mountain Crest Acquisition Corp. V, a Delaware corporation ("SPAC"), (1) filed an amendment to its Amended and Restated Certificate of Incorporation with the Delaware Secretary of State on December 20, 2022, giving SPAC the right to extend the date by which it has to complete a business combination (the "Business Combination Period") from February 16, 2023 to May 16, 2023 and (2) entered into an amendment to the Investment Management Trust Agreement, dated as of November 12, 2021, with Continental Stock Transfer & Trust Company, on December 20, 2022 (the "Trust Amendment"). The Trust Amendment provides that SPAC may extend the Business Combination Period by depositing $300,000 into the trust account. On February 15, 2023, SPAC extended the Business Combination Period from February 16, 2023 to May 16, 2023 by depositing $300,000 into the trust account.

The $300,000 was loaned to SPAC, by Mountain Crest Global Holdings LLC, a Delaware limited liability company and SPAC's sponsor (the "Sponsor"). On February 15, 2023, SPAC issued a non-interest bearing, unsecured promissory note in the aggregate principal amount of $300,000 (the "Note") to the Sponsor. Pursuant to the Note, the Sponsor loaned SPAC an aggregate amount of $300,000 that is due and payable upon SPAC's consummation of an initial business combination with a target business. The Note will either be paid upon consummation of SPAC's initial business combination, or, at the Sponsor's discretion, converted upon consummation of the SPAC's business combination into private units at a price of $10.00 per unit. The loan will be forgiven, except to the extent of any funds held outside of the trust account, by the Sponsor or its affiliates if SPAC is unable to consummate an initial business combination during the Business Combination Period.

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 October 19, 2022, SPAC entered into a Business Combination Agreement (as it may be amended, supplemented or otherwise modified from time to time, the "Business Combination Agreement"), as amended on February 10, 2023, with AUM Biosciences Pte. Ltd., a private company limited by shares incorporated in Singapore, with company registration 201810204D (the "Company"). On January 27, 2023, AUM Biosciences Limited, a Cayman Islands exempted company ("Holdco"), AUM Biosciences Subsidiary Pte. Ltd., a private company limited by shares incorporated in Singapore, with company registration number 202238778Z and a direct wholly-owned subsidiary of Holdco ("Amalgamation Sub") and AUM Biosciences Delaware Merger Sub, Inc., a Delaware corporation and a direct wholly-owned subsidiary of Holdco ("Merger Sub" and, together with Holdco and Amalgamation Sub, each, individually, an "Acquisition Entity" and, collectively, the "Acquisition Entities") executed a joinder agreement with SPAC and the Company and joined the Business Combination Agreement as parties, thereby committing to be legally bound by the Business Combination Agreement. Pursuant to the Business Combination Agreement, subject to the terms and conditions set forth therein, (i) Amalgamation Sub will amalgamate with and into the Company (the "Amalgamation") whereby the separate existence of Amalgamation Sub will cease and the Company will be the surviving corporation of the Amalgamation and become a direct wholly owned subsidiary of Holdco, and (ii) following confirmation of the effective filing of the Amalgamation but on the same day, Merger Sub will merge with and into SPAC (the "SPAC Merger" and together with the Amalgamation, the "Mergers"), the separate existence of Merger Sub will cease and SPAC will be the surviving corporation of the SPAC Merger and a direct wholly owned subsidiary of Holdco. Upon closing of the transaction, the combined company will operate as the Holdco, and intends to trade on the Nasdaq Stock Market under the ticker symbol AUMB.

SPAC and the Company agreed, as promptly as practicable after the execution of the Business Combination Agreement, to prepare and have Holdco file with the Securities and Exchange Commission (the "SEC"), a registration statement on Form F-4 (as amended, the "Registration Statement") in connection with the registration under the Securities Act of 1933, as amended of the Holdco's ordinary shares pursuant to the Business Combination Agreement, and containing a proxy statement/prospectus for the purpose of SPAC soliciting proxies from the stockholders of SPAC to approve the Business Combination Agreement, the transactions and related matters at a special meeting of SPAC stockholders and providing such stockholders an opportunity, in accordance with SPAC's organizational documents and initial public offering prospectus, to have their shares of SPAC's common stock redeemed.

After the Registration Statement has been filed and declared effective, SPAC 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 SPAC, the Company and the proposed business combination. Additionally, SPAC 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 SPAC 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 SPAC at 311 West 43rd Street, 12th Floor, New York, NY 10036. INVESTORS AND SECURITY HOLDERS OF SPAC ARE URGED TO READ THESE MATERIALS (INCLUDING ANY AMENDMENTS OR SUPPLEMENTS THERETO) AND ANY OTHER RELEVANT DOCUMENTS IN CONNECTION WITH THE TRANSACTIONS THAT SPAC WILL FILE WITH THE SEC WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT SPAC, THE COMPANY AND THE TRANSACTIONS.

**Important Notice Regarding Forward-Looking Statements**

This Current Report on Form 8-K contains "forward-looking statements" within the meaning of the "safe harbor" provisions of the United States Private Securities Litigation Reform Act of 1995. SPAC's and the Company's actual results may differ from their expectations, estimates, and projections and, consequently, you should not rely on these forward-looking statements as predictions of future events. Words such as "expect," "estimate," "project," "budget," "forecast," "anticipate," "intend," "plan," "may," "will," "could," "should," "believes," "predicts," "potential," "continue," and similar expressions (or the negative versions of such words or expressions) are intended to identify such forward-looking statements. These forward-looking statements include, without limitation, SPAC's and the Company's expectations with respect to future performance and anticipated financial impacts of the proposed business combination, the satisfaction of the closing conditions to the proposed business combination, and the timing of the completion of the proposed business combination.

These forward-looking statements involve significant risks and uncertainties that could cause the actual results to differ materially from those discussed in the forward-looking statements. Most of these factors are outside SPAC's and the Company's control and are difficult to predict. Factors that may cause such differences include, but are not limited to: (1) the occurrence of any event, change, or other circumstances that could give rise to the termination of the Business Combination Agreement; (2) the outcome of any legal proceedings that may be instituted against SPAC and the Company following the announcement of the Business Combination Agreement and the transactions contemplated therein; (3) the inability to complete the proposed business combination, including due to failure to obtain approval of the stockholders of SPAC and the Company, certain regulatory approvals, or satisfy other conditions to closing in the Business Combination Agreement; (4) the occurrence of any event, change, or other circumstance that could give rise to the termination of the Business Combination Agreement or could otherwise cause the transaction to fail to close; (5) the impact of the COVID-19 pandemic on the Company's business and/or the ability of the parties to complete the proposed business combination; (6) the inability to obtain the listing of Holdco's ordinary shares on Nasdaq following the proposed business combination; (7) the risk that the proposed business combination disrupts current plans and operations as a result of the announcement and consummation of the proposed business combination; (8) the ability to recognize the anticipated benefits of the proposed business combination, which may be affected by, among other things, competition, the ability of the Company to grow and manage growth profitably, and retain its key employees; (9) costs related to the proposed business combination; (10) changes in applicable laws or regulations; (11) the possibility that SPAC or the Company may be adversely affected by other economic, business, and/or competitive factors; (12) risks relating to the uncertainty of the projected financial information with respect to the Company; (13) risks related to the organic and inorganic growth of the Company's business and the timing of expected business milestones; (14) the amount of redemption requests made by SPAC's stockholders; and (15) other risks and uncertainties indicated from time to time in the final prospectus of SPAC for its initial public offering and the Registration Statement relating to the proposed business combination, including those under "Risk Factors" therein, and in SPAC's other filings with the SEC. SPAC cautions that the foregoing list of factors is not exclusive. SPAC and the Company caution readers not to place undue reliance upon any forward-looking statements, which speak only as of the date made. SPAC and the Company do not undertake or accept any obligation or undertaking to release publicly any updates or revisions to any forward-looking statements to reflect any change in their expectations or any change in events, conditions, or circumstances on which any such statement is based.

**Participants in the Solicitation**

SPAC, Holdco and the Company, and their respective directors and executive officers, may be deemed to be participants in the solicitation of proxies from SPAC's stockholders in connection with the proposed transaction. Information about SPAC's directors and executive officers and their ownership of SPAC's securities is set forth in SPAC's filings with the SEC. 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 regarding the proposed transaction when it becomes available. You may obtain free copies of these documents as described under "Additional Information and Where to Find It" in this Current Report on Form 8-K.

**Non-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 potential transaction and shall not constitute an offer to sell or a solicitation of an offer to buy the securities of SPAC, Holdco 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 offer of securities shall be made except by means of a prospectus meeting the requirements of the Securities Act of 1933, as amended, or an exemption therefrom.

**Item 9.01 Financial Statements and Exhibits.**

**(d) Exhibits:**

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| | |
|:---|:---|
| **Exhibit** | **Description** |
| [10.1](mountaincrest5_ex10-1.htm) | [Promissory Note issued by Mountain Crest Acquisition Corp. V to Mountain Crest Global Holdings LLC on February 15, 2023](mountaincrest5_ex10-1.htm) |
| 104 | Cover Page Interactive Data File (formatted as inline XBRL). |

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**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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| | |
|:---|:---|
| Dated: February 16, 2023 | Dated: February 16, 2023 |
| **MOUNTAIN CREST ACQUISITION CORP. V** | **MOUNTAIN CREST ACQUISITION CORP. V** |
| By: | /s/ Suying Liu |
| Name: | Suying Liu |
| Title: | Chief Executive Officer |

---

## Exhibit 10.1

**Exhibit 10.1**

THIS PROMISSORY NOTE ("NOTE") HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT"). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY IN FORM, SCOPE AND SUBSTANCE TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED.

**PROMISSORY NOTE**

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| | |
|:---|:---|
| Principal Amount: $300,000 | Issuance Date: February 15, 2023 |

---

Mountain Crest Acquisition Corp. V or its registered assigns or successors in interest (the "**Maker**"), promises to pay to the order of Mountain Crest Global Holdings LLC, a Delaware corporation (the "**Payee**"), the principal sum as set forth above (the "**Principal Amount**") in lawful money of the United States of America, on the terms and conditions described below. The Maker and Payee shall collectively be referred to as the "**Parties**." All payments on this Note shall be made by check or wire transfer of immediately available funds or as otherwise determined by the Maker to such account as the Payee may from time to time designate by written notice in accordance with the provisions of this Note.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**1. Principal.** The principal balance of this Note shall be payable by the Maker on the date on which Maker consummates a business combination with target businesses. The principal balance may be prepaid at any time. The principal balance shall be payable by the Maker either: (i) in cash, or (ii) in Maker's private placement units (the "**Private Units**"), $10.00 per unit, at the Payee's election in writing. Payee may elect to convert any outstanding principal balance into Private Units, at any time when this Note remains outstanding, at a fixed conversion price of $10.00 per unit. Under no circumstances shall any individual, including but not limited to any officer, director, employee or shareholder of the Maker, be personally obligated for any obligations or liabilities of the Maker hereunder.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**2. Interest.** No interest shall accrue on the unpaid principal balance of this Note.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**3. Application of Payments.** All payments shall be applied first to payment in full of any costs incurred in the collection of any sum due under this Note, including (without limitation) reasonable attorneys', then to the payment in full of any late charges and finally to the reduction of the unpaid principal balance of this Note.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**4. Forgiveness**. The Note will be forgiven by the Payee if the Maker is unable to consummate the initial business combination by May 16, 2023, except to the extent of any funds held outside of the trust account (the "**Trust Account**") maintained with Continental Stock Transfer & Trust Company ("**CST**") pursuant to an investment management trust agreement, dated as of November 12, 2021, as amended on December 20, 2022, by the Maker and CST.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**5. Events of Default.** The following shall constitute an event of default ("**Event of Default**"):

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) <u>Failure to Make Required Payments</u>. Failure by Maker to pay the Principal Amount due pursuant to this Note within five (5) business days from May 16, 2023.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) <u>Voluntary Bankruptcy, Etc</u>. The commencement by Maker of a voluntary case under any applicable bankruptcy, insolvency, reorganization, rehabilitation or other similar law, or the consent by it to the appointment of or taking possession by a receiver, liquidator, assignee, trustee, custodian, sequestrator (or other similar official) of Maker or for any substantial part of its property, or the making by it of any assignment for the benefit of creditors, or the failure of Maker generally to pay its debts as such debts become due, or the taking of corporate action by Maker in furtherance of any of the foregoing.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) <u>Involuntary Bankruptcy, Etc</u>. The entry of a decree or order for relief by a court having jurisdiction in the premises in respect of Maker in an involuntary case under any applicable bankruptcy, insolvency or other similar law, or appointing a receiver, liquidator, assignee, custodian, trustee, sequestrator (or similar official) of Maker or for any substantial part of its property, or ordering the winding-up or liquidation of its affairs, and the continuance of any such decree or order unstayed and in effect for a period of 60 consecutive days.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**6. Remedies.**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) Upon the occurrence of an Event of Default specified in Section 5(a) hereof, Payee may, by written notice to Maker, declare this Note to be due immediately and payable, whereupon the unpaid Principal Amount of this Note, and all other amounts payable hereunder, shall become immediately due and payable without presentment, demand, protest or other notice of any kind, all of which are hereby expressly waived, anything contained herein or in the documents evidencing the same to the contrary notwithstanding.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) Upon the occurrence of an Event of Default specified in Sections 5(b) and 5(c), the unpaid principal balance of this Note, and all other sums payable with regard to this Note, shall automatically and immediately become due and payable, in all cases without any action on the part of Payee.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**7. Waivers.** Maker and all endorsers and guarantors of, and sureties for, this Note waive presentment for payment, demand, notice of dishonor, protest, and notice of protest with regard to the Note, all errors, defects and imperfections in any proceedings instituted by Payee under the terms of this Note, and all benefits that might accrue to Maker by virtue of any present or future laws exempting any property, real or personal, or any part of the proceeds arising from any sale of any such property, from attachment, levy or sale under execution, or providing for any stay of execution, exemption from civil process, or extension of time for payment; and Maker agrees that any real estate that may be levied upon pursuant to a judgment obtained by virtue hereof or any writ of execution issued hereon, may be sold upon any such writ in whole or in part in any order desired by Payee.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**8. Unconditional Liability.** Maker hereby waives all notices in connection with the delivery, acceptance, performance, default, or enforcement of the payment of this Note, and agrees that its liability shall be unconditional, without regard to the liability of any other party, and shall not be affected in any manner by any indulgence, extension of time, renewal, waiver or modification granted or consented to by Payee, and consents to any and all extensions of time, renewals, waivers, or modifications that may be granted by Payee with respect to the payment or other provisions of this Note, and agrees that additional makers, endorsers, guarantors, or sureties may become parties hereto without notice to Maker or affecting Maker's liability hereunder.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**9. Notices.** All notices, statements or other documents which are required or contemplated by this Note shall be made in writing and delivered: (i) personally or sent by first class registered or certified mail, overnight courier service or facsimile or electronic transmission to the address designated in writing, (ii) by facsimile to the number most recently provided to such party or such other address or fax number as may be designated in writing by such party or (iii) by electronic mail, to the electronic mail address most recently provided to such party or such other electronic mail address as may be designated in writing by such party. Any notice or other communication so transmitted shall be deemed to have been given on the day of delivery, if delivered personally, on the business day following receipt of written confirmation, if sent by facsimile or electronic transmission, one (1) business day after delivery to an overnight courier service or five (5) days after mailing if sent by mail.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**10. Construction.** THIS NOTE SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE WITH THE LAWS OF NEW YORK, WITHOUT REGARD TO CONFLICT OF LAW PROVISIONS THEREOF. The Parties irrevocably submits to the exclusive jurisdiction of any New York State or United States Federal court sitting in The City of New York, Borough of Manhattan, over any suit, action or proceeding arising out of or relating to this Note. The Parties irrevocably waive, to the fullest extent permitted by law, any objection that they may now or hereafter have to the laying of venue of any such suit, action or proceeding brought in such a court and any claim that any such suit, action or proceeding brought in such a court has been brought in an inconvenient forum.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**11. Severability.** Any provision contained in this Note which is prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions hereof, and any such prohibition or unenforceability in any jurisdiction shall not invalidate or render unenforceable such provision in any other jurisdiction.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**12. Trust Waiver**. Notwithstanding anything herein to the contrary, the Payee hereby waives any and all right, title, interest or claim of any kind ("**Claim**") in or to any distribution of or from the Trust Account of the Maker in which the proceeds of the initial public offering (the "**IPO**") (including the deferred underwriters discounts) are deposited, as described in greater detail in the registration statement (file number 333-260124) and prospectus filed with the Securities and Exchange Commission in connection with the IPO, and hereby agrees not to seek recourse, reimbursement, payment or satisfaction for any Claim against the Trust Account for any reason whatsoever.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**13. Amendment; Waiver**. Any amendment hereto or waiver of any provision hereof may be made with, and only with, the written consent of the Maker and the Payee.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**14. Assignment**. No assignment or transfer of this Note or any rights or obligations hereunder may be made by any party hereto (by operation of law or otherwise) without the prior written consent of the other party hereto and any attempted assignment without the required consent shall be void.

[Signature page follows]

**IN WITNESS WHEREOF**, Maker, intending to be legally bound hereby, has caused this Note to be duly executed by the undersigned as of the day and year first above written.

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| | |
|:---|:---|
| Mountain Crest Acquisition Corp. V | Mountain Crest Acquisition Corp. V |
| By: | /s/ Suying Liu |
|  | Name: Suying Liu |
|  | Title: Chief Executive Officer |

---