Principal Amount: $100,000 

Dated as of July 12, 2023

1.

Principal. The principal balance of this Note shall be payable promptly after the date on which the Maker consummates an initial business combination (a “Business Combination”) with a target business (as described in its initial public offering prospectus dated December 09, 2021 (the “Prospectus”)). In the event that a Business Combination does not close by the time as set forth in the Maker’s Amended and Restated Memorandum and Articles of Association, as amended, this Note shall be deemed to be terminated and no amounts will thereafter be due from Maker to Payee under the terms hereof. The principal balance may not be prepaid without the consent of the Payee.

2.

Interest. No interest shall accrue on the unpaid principal balance of this Note.

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 attorney’s fees, then to the payment in full of any late charges and finally to the reduction of the unpaid principal balance of this Note.

4.

Events of Default. The following shall constitute an event of default (“Event of Default”):

(a)

Failure to Make Required Payments. Failure by Maker to pay the principal of this Note within five (5) business days following the date when due.

(b)

Voluntary Liquidation, Etc. The commencement by Maker of a proceeding relating to its bankruptcy, insolvency, reorganization, rehabilitation or other similar action, or the consent by it to the appointment of, or taking possession by, a receiver, liquidator, assignee, trustee, custodian, sequestrator (or other similar official) for 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.

(c)

Involuntary Bankruptcy, Etc. 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 similar law, for the appointing of a receiver, liquidator, assignee, custodian, trustee, sequestrator (or similar official) for Maker or for any substantial part of its property, or ordering the winding-up or liquidation of the affairs of Maker, and the continuance of any such decree or order unstayed and in effect for a period of 60 consecutive days.

5.

Remedies.

(a)

Upon the occurrence of an Event of Default specified in Section 4(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.

(b)

Upon the occurrence of an Event of Default specified in Sections 4(b) and 4(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.

6.

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, on any writ of execution issued hereon, may be sold upon any such writ in whole or in part in any order desired by Payee.

7.

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.

8.

Notices. Any notice called for hereunder shall be deemed properly given if (i) sent by certified mail, return receipt requested, (ii) personally delivered, (iii) dispatched by any form of private or governmental express mail or delivery service providing receipted delivery or (iv) sent by facsimile or (v) to the following addresses or to such other address as either party may designate by notice in accordance with this Section:

9.

Construction. THIS NOTE SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE WITH THE LAWS OF NEW YORK, WITHOUT REGARD TO CONFLICT OF LAW PROVISIONS THEREOF.

10.

Jurisdiction. The courts of New York have exclusive jurisdiction to settle any dispute arising out of or in connection with this agreement (including a dispute relating to any non-contractual obligations arising out of or in connection with this agreement) and the parties submit to the exclusive jurisdiction of the courts of New York.

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.

12.

Trust Waiver. Payee has read the Prospectus and understands that Maker has established the trust account described in the Prospectus (the “Trust Account”), in an amount of approximately $18.3 million for the benefit of the public stockholders and the underwriters of Maker’s initial public offering (the “Underwriters”) pursuant to the certain investment management trust agreement, dated as of December 14, 2021, between the Maker and Continental Stock Transfer & Trust Company (the “Trust Agreement”) and that, except for certain exceptions described in the Prospectus, Maker may disburse monies from the Trust Account only for the purposes set forth in the Trust Agreement.

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.

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.

15.

Further Assurance. The Maker shall, at its own cost and expense, execute and do (or procure to be executed and done by any other necessary party) all such deeds, documents, acts and things as the Payee may from time to time require as may be necessary to give full effect to this Promissory Note.

Healthcare AI Acquisition Corp.

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