Document:

Exhibit 10.4

 

INVESTMENT MANAGEMENT TRUST AGREEMENT

 

This Investment Management Trust Agreement (this
 “Agreement”) is made effective as of [●], 2022 by and between Mars Acquisition Corporation, a Cayman Islands
exempted company (the “Company”), and Continental Stock Transfer & Trust Company, a New York limited purpose trust
company (the “Trustee”).

 

WHEREAS, the Company’s registration statement
on Form S-1, File No. 333-[●] (“Registration Statement”) and prospectus (“Prospectus”) for
the initial public offering of the Company’s units (“Units”), each of which consists of one ordinary share of
the Company, par value $0.0001 per share (“Ordinary Share”), one right to receive one-tenth of one Ordinary Share (each,
a “Right”) and one half of one redeemable warrant (“Warrant”), each whole Warrant entitling the
holder to purchase one Ordinary Share (such initial public offering referred to as the “IPO”) has been declared effective
as of the date hereof (“Effective Date”) by the Securities and Exchange Commission (capitalized terms used herein and
not otherwise defined shall have the meanings set forth in the Registration Statement);

 

WHEREAS, the Company has entered into an Underwriting
Agreement (“Underwriting Agreement”) with Maxim Group LLC as the representative (the “Representative”)
of the several underwriters (“Underwriters”) named therein;

 

WHEREAS, if a business combination (“Business
Combination”) is not consummated within the initial 12 month period following the closing of the IPO, the Company’s insiders
may extend such period two times by an additional three-months each time, up to a maximum of 18 months in the aggregate, by depositing
$750,000 (or $862,500 if the Underwriters’ over-allotment option is exercised in full) into Trust Account (as defined below) on
or prior to the applicable deadline. In exchange the sponsor or its affiliates or designees will receive non-interest bearing, unsecured
promissory notes equal to the amount of any such deposit;

 

WHEREAS, as described in the Prospectus, and in
accordance with the Company’s Amended and Restated Memorandum and Articles of Association (“Articles of Association”),
$75,000,000 ($86,250,000 if the over-allotment option is exercised in full) of the proceeds from the IPO and a simultaneous private placement
of Units will be delivered to the Trustee to be deposited and held in a segregated trust account located at all times in the United States
(the “Trust Account”) for the benefit of the Company and the holders of the Ordinary Shares included in the Units issued
in the IPO as hereinafter provided (the proceeds to be delivered to the Trustee and any interest subsequently earned thereon will be referred
to herein as the “Property”; the shareholders for whose benefit the Trustee shall hold the Property will be referred
to as the “Public Shareholders,” and the Public Shareholders and the Company will be referred to together as the “Beneficiaries”);

 

WHEREAS, the Company and the Trustee desire to
enter into this Agreement to set forth the terms and conditions pursuant to which the Trustee shall hold the Property.

 

NOW THEREFORE, IT IS AGREED:

 

1. Agreements and Covenants of Trustee. The Trustee hereby agrees
and covenants to:

 

(a) Hold the Property in trust for the Beneficiaries
in accordance with the terms of this Agreement in the Trust Account established by the Trustee initially at J.P. Morgan Chase Bank, N.A.
(or at another U.S. chartered commercial bank with consolidated assets of $100 billion or more) in the United States, maintained by Trustee,
and at a brokerage institution selected by the Company that is reasonably satisfactory to the Trustee;

 

(b) Manage, supervise, and administer the Trust
Account subject to the terms and conditions set forth herein;

 

     

     

    

 

(c) In a timely manner, upon the written instruction
of the Company, either (i) invest and reinvest the Property in United States “government securities” within the meaning of
Section 2(a)(16) of the Investment Company Act of 1940, as amended (the “Investment Company Act”), having a maturity
of 185 days or less, and/or in any open ended investment company registered under the Investment Company Act that holds itself out as
a money market fund selected by the Company meeting the conditions of paragraph (d) of Rule 2a-7 promulgated under the Investment Company
Act, which invest only in direct U.S. government treasury obligations or (ii) cause the brokerage institution referred to in 1(a) above
to place the Property in a cash demand deposit account; it being understood that unless the Company instructs the Trustee to do either
of the foregoing, the Trust Account will earn no interest while account funds are uninvested awaiting the Company’s instructions
hereunder and the Trustee may earn bank credits or other consideration during such periods;

 

(d) Collect and receive, when due, all principal
and income arising from the Property, which shall become part of the “Property,” as such term is used herein;

 

(e) Promptly notify the Company and the Representative
of all communications received by it with respect to any Property requiring action by the Company;

 

(f) Supply any necessary information or documents
as may be requested by the Company in connection with the Company’s preparation of its tax returns or in connection with the preparation
or completion of the audit of the Company’s financial statements by the Company’s auditors;

 

(g) Participate in any plan or proceeding for protecting
or enforcing any right or interest arising from the Property if, as, and when instructed by the Company to do so;

 

(h) Render to the Company monthly written statements
of the activities of and amounts in the Trust Account reflecting all receipts and disbursements of the Trust Account;

 

(i) Commence liquidation of the Trust Account only
after and promptly after receipt of, and only in accordance with, the terms of a letter from the Company (“Termination Letter”),
in a form substantially similar to that attached hereto as either Exhibit A or Exhibit B, as applicable, signed on behalf
of the Company and, in the case of a Termination Letter in a form substantially similar to that attached hereto as Exhibit A, jointly
acknowledged and agreed to by the Representative, and complete the liquidation of the Trust Account and distribute the Property in the
Trust Account only as directed in the Termination Letter and the other documents referred to therein; provided, however, that in the event
that a Termination Letter has not been received by the Trustee within the period of time (the “Last Date”) provided
in the Company’s Articles of Association, the Trust Account shall be liquidated in accordance with the procedures set forth in the
Termination Letter attached as Exhibit B hereto and distributed to the Public Shareholders as of the Last Date; and

 

(j) Upon receipt of a letter (an “Amendment
Notification Letter”) in the form of Exhibit C, signed on behalf of the Company by an authorized officer, distribute
to Public Shareholders who exercised their redemption rights in connection with an amendment to Article 44 of the Company’s Articles
of Association (an “Amendment”) an amount equal to the pro rata share of the Property relating to the Ordinary Shares
for which such Public Shareholders have exercised redemption rights in connection with such Amendment.

 

2. Limited Distributions of Income from Trust Account.

 

(a) Upon written request from the Company, which
may be given from time to time in a form substantially similar to that attached hereto as Exhibit D, the Trustee shall distribute
to the Company the amount of interest income earned on the Trust Account requested by the Company to cover any income or other tax obligation
owed by the Company or liquidation expenses not to exceed $50,000.

 

(b) The limited distributions referred to in Section
2(a) above shall be made only from income collected on the Property. Except as provided in Section 2(a) above, no other distributions
from the Trust Account shall be permitted except in accordance with Sections 1(i) or 1(j) hereof.

 

3. Agreements and Covenants of the Company. The Company agrees
and covenants to:

 

(a) Give all instructions to the Trustee hereunder
in writing, signed by any one of the Company’s authorized officers. The Trustee shall be entitled to rely on such written instructions
from the Company confirmed by telephone instruction from a person which the Trustee in good faith believes to be given by any one of the
persons authorized above to give written instructions;

 

     

     

    

 

(b) Subject to the provisions of Section 5
of this Agreement, hold the Trustee harmless and indemnify the Trustee from and against any and all expenses, including reasonable counsel
fees and disbursements, or losses suffered by the Trustee in connection with any claim, potential claim, action, suit, or other proceeding
brought against the Trustee which in any way arises out of or relates to this Agreement, the services of the Trustee hereunder, or the
Property or any income earned from investment of the Property, except for expenses and losses resulting from the Trustee’s gross
negligence, fraud, or willful misconduct. Promptly after the receipt by the Trustee of notice of demand or claim or the commencement of
any action, suit, or proceeding, pursuant to which the Trustee intends to seek indemnification under this paragraph, it shall notify the
Company in writing of such claim (hereinafter referred to as the “Indemnified Claim”). The Trustee shall have the right
to conduct and manage the defense against such Indemnified Claim, provided, that the Trustee shall obtain the consent of the Company with
respect to the selection of counsel, which consent shall not be unreasonably withheld. The Trustee may not agree to settle any Indemnified
Claim without the prior written consent of the Company, which consent shall not be unreasonably withheld. The Company may participate
in such action with its own counsel;

 

(c) Pay the Trustee an initial acceptance fee,
an annual fee, and a transaction processing fee for each disbursement made pursuant to Section 2(a) as set forth on Schedule
A hereto, which fees shall be subject to modification by the parties from time to time. It is expressly understood that the Property
shall not be used to pay such fees and further agreed that any fees owed to the Trustee shall be deducted by the Trustee pursuant to Section
1(i) solely in connection with the consummation of a business combination (a “Business Combination”). The Company
shall pay the Trustee the initial acceptance fee and first year’s fee at the consummation of the IPO and thereafter on the anniversary
of the Effective Date;

 

(d) In connection with any vote of the Company’s
shareholders regarding a Business Combination, provide to the Trustee an affidavit or certificate of a firm regularly engaged in the business
of soliciting proxies and/or tabulating shareholder votes verifying the vote of the Company’s shareholders regarding such Business
Combination;

 

(e) In the event that the Company directs the Trustee
to commence liquidation of the Trust Account pursuant to Section 1(i), the Company agrees that it will not direct the Trustee to
make any payments that are not specifically authorized by this Agreement;

 

(f) If the Company has an Amendment approved by
its shareholders, provide the Trustee with an Amendment Notification Letter in the form of Exhibit C providing instructions for
the distribution of funds to Public Shareholders who exercise their redemption rights in connection with such Amendment;

 

(g) Provide the Representative with a copy of any
Termination Letter, Amendment Notification Letter, and/or any other correspondence that it issues to the Trustee with respect to any proposed
withdrawal from the Trust Account promptly after such issuance; and

 

(h) Expressly provide in any Instruction Letter
(as defined in Exhibit A) delivered in connection with a Termination Letter in a form substantially similar to that attached hereto
as Exhibit A that the Business Combination Fee be paid directly to the account or accounts directed by the Representative on behalf
of the Underwriters.

 

4. Limitations of Liability. The Trustee shall have no responsibility
or liability to:

 

(a) Take any action with respect to the Property,
other than as directed in Sections 1 and 2 hereof, and the Trustee shall have no liability to any party except for liability
arising out of its own gross negligence, fraud or willful misconduct;

 

(b) Institute any proceeding for the collection
of any principal and income arising from, or institute, appear in, or defend any proceeding of any kind with respect to, any of the Property
unless and until it shall have received instructions from the Company given as provided herein to do so and the Company shall have advanced
or guaranteed to it funds sufficient to pay any expenses incident thereto;

 

     

     

    

 

(c) Change the investment of any Property, other
than in compliance with Section 1(c);

 

(d) Refund any depreciation in principal of any
Property;

 

(e) Assume that the authority of any person designated
by the Company to give instructions hereunder shall not be continuing unless provided otherwise in such designation, or unless the Company
shall have delivered a written revocation of such authority to the Trustee;

 

(f) The other parties hereto or to anyone else
for any action taken or omitted by it, or any action suffered by it to be taken or omitted, in good faith and in the exercise of its own
best judgment (provided, that with respect to its duties under Sections 1(i), 1(j), and 2(a) above, the Trustee
shall take no action except as set forth in written instructions from the Company, confirmed by telephone, in accordance with Section
3(a)), except for its gross negligence, fraud or willful misconduct. The Trustee may rely conclusively and shall be protected in acting
upon any order, notice, demand, certificate, opinion, or advice of counsel (including counsel chosen by the Trustee, which counsel may
be the Company’s counsel), statement, instrument, report, or other paper or document (not only as to its due execution and the validity
and effectiveness of its provisions, but also as to the truth and acceptability of any information therein contained) which is believed
by the Trustee, in good faith, to be genuine and to be signed or presented by the proper person or persons (provided, that with
respect to its duties under Sections 1(i), 1(j), and 2(a) above, the Trustee shall take no action except as set forth
in written instructions from the Company, confirmed by telephone, in accordance with Section 3(a)). The Trustee shall not be bound
by any notice or demand, or any waiver, modification, termination, or rescission of this Agreement or any of the terms hereof, unless
evidenced by a written instrument delivered to the Trustee signed by the proper party or parties and, if the duties or rights of the Trustee
are affected, unless it shall give its prior written consent thereto;

 

(g) Verify the correctness of the information set
forth in the Registration Statement or to confirm or assure that any Business Combination consummated by the Company or any other action
taken by it is as contemplated by the Registration Statement;

 

(h) File local, state, and/or federal tax returns
or information returns with any taxing authority on behalf of the Trust Account or deliver payee statements to the Company documenting
the taxes, if any, payable by the Company or the Trust Account, relating to the income earned on the Property;

 

(i) Pay any taxes on behalf of the Trust Account
(it being expressly understood that the Property shall not be used to pay any such taxes and that such taxes, if any, shall be paid by
the Company from funds not held in the Trust Account or released to it under Section 2(a) hereof);

 

(j) Imply obligations, perform duties, inquire,
or otherwise be subject to the provisions of any agreement or document other than this agreement and that which is expressly set forth
herein; or

 

(k) Verify calculations, qualify, or otherwise
approve Company requests for distributions pursuant to Sections 1(i), 1(j), and 2(a) above.

 

5. Trust Account Waiver. The Trustee has no right of set-off
or any right, title, interest or claim of any kind (“Claim”) to, or to any monies in, the Trust Account, and hereby
irrevocably waives any Claim to, or to any monies in, the Trust Account that it may have now or in the future. In the event the Trustee
has any Claim against the Company under this Agreement, including, without limitation, under Section 3(b) or Section 3(c)
hereof, the Trustee shall pursue such Claim solely against the Company and its assets outside the Trust Account and not against the Property
or any monies in the Trust Account.

 

     

     

    

 

6. Termination. This Agreement shall terminate as follows:

 

(a) If the Trustee gives written notice to the
Company that it desires to resign under this Agreement, the Company shall use its reasonable efforts to locate a successor trustee during
which time the Trustee shall act in accordance with this Agreement. At such time that the Company notifies the Trustee that a successor
trustee has been appointed by the Company and has agreed to become subject to the terms of this Agreement, the Trustee shall transfer
the management of the Trust Account to the successor trustee, including but not limited to the transfer of copies of the reports and statements
relating to the Trust Account, whereupon this Agreement shall terminate; provided, however, that, in the event that the Company does not
locate a successor trustee within ninety (90) days of receipt of the resignation notice from the Trustee, the Trustee may submit an application
to have the Property deposited with any court in the State of New York or with the United States District Court for the Southern District
of New York and upon such deposit, the Trustee shall be immune from any liability whatsoever; or

 

(b) At such time that the Trustee has completed
the liquidation of the Trust Account in accordance with the provisions of Section 1(i) hereof, and distributed the Property in
accordance with the provisions of the Termination Letter, this Agreement shall terminate except with respect to Section 3(b) and
Section 5.

 

7. Miscellaneous.

 

(a) The Company and the Trustee each acknowledge
that the Trustee will follow the security procedures set forth below with respect to funds transferred from the Trust Account. The Company
and the Trustee will each restrict access to confidential information relating to funds being transferred to or from the Trust Account
to authorized persons. Each party must notify the other party immediately if it has reason to believe unauthorized persons may have obtained
access to such information, or of any change in its authorized personnel. In executing funds transfers, the Trustee will rely upon all
information supplied to it by the Company, including account names, account numbers, and all other identifying information relating to
a beneficiary, beneficiary’s bank, or intermediary bank. Except for any liability arising out of the Trustee’s gross negligence,
fraud, or willful misconduct, the Trustee shall not be liable for any loss, liability, or expense resulting from any error in the information
supplied to it or funds transferred based on such information.

 

(b) This Agreement shall be governed by and construed
and enforced in accordance with the laws of the State of New York, without giving effect to conflicts of law principles that would result
in the application of the substantive laws of another jurisdiction. The parties hereto consent to the jurisdiction and venue of any state
or federal court located in the City of New York, Borough of Manhattan, for purposes of resolving any disputes hereunder. As to any claim,
cross-claim, or counterclaim in any way relating to this Agreement, each party waives the right to trial by jury.

 

(c) This Agreement may be executed in several original
or facsimile counterparts, each one of which shall constitute an original, and together shall constitute but one instrument.

 

(d) This Agreement contains the entire agreement
and understanding of the parties hereto with respect to the subject matter hereof. Except for Sections 1(i) and 1(j) (which sections may
not be modified, amended or deleted without the affirmative vote of a majority of the then outstanding Ordinary Shares; provided that
no such amendment will affect any Public Shareholder who has otherwise indicated his, her or its election to redeem his, her or its Ordinary
Shares in connection with a vote sought to amend this Agreement), this Agreement or any provision hereof may only be changed, amended
or modified by a writing signed by each of the parties hereto; provided, however, that no such change, amendment or modification may be
made without the prior written consent of the Representative. The Trustee may require from Company counsel an opinion as to the propriety
of any proposed amendment.

 

(e) Any notice, consent or request to be given
in connection with any of the terms or provisions of this Agreement shall be in writing and shall be sent by express mail or similar private
courier service, by certified mail (return receipt requested), by hand delivery, by email or by facsimile transmission:

 

if to the Trustee, to:

 

Continental Stock Transfer & Trust Company

1 State Street, 30th floor

New York, New York 10004

 

     

     

    

 

Attn: Francis Wolf and Celeste Gonzalez

Email: fwolf@continentalstock.com

Email: cgonzalez@continentalstock.com

 

if to the Company, to:

 

Mars
Acquisition Corp. 

Americas
Tower 

1177
Avenue of The Americas 

Suite
5100, New York, NY, 10036 

Attn:
Karl Brenza, Chief Executive Officer 

E-mail:
kbrenza@verizon.net 

 

in either case with a copy (which copy shall not
constitute notice) to:

 

Maxim Group LLC

300 Park Avenue, 16th Floor

New York, NY 10022

Attn: Justin Rabinowitz

Email: jrabinowitz@maximgrp.com

 

and

 

VCL
Law LLP 

1945
Old Gallows Road, Suite 630 

Attn:
Fang Liu, Esq. 

E-mail:
fliu@vcllegal.com 

 

and

 

Harter
Secrest & Emery LLP 

1600
Bausch & Lomb Place 

Rochester,
NY 14604 

Attn:
Christopher Murillo, Esq. 

Email: cmurillo@hselaw.com  

 

(f) This Agreement may not be assigned by the Trustee
without the prior consent of the Company.

 

(g) Each of the Trustee and the Company hereby
represents that it has the full right and power and has been duly authorized to enter into this Agreement and to perform its respective
obligations as contemplated hereunder. The Trustee acknowledges and agrees that it shall not make any claims or proceed against the Trust
Account, including by way of set-off, and shall not be entitled to any funds in the Trust Account under any circumstance.

 

(h) This Agreement is the joint product of the
Trustee and the Company and each provision hereof has been subject to the mutual consultation, negotiation and agreement of such parties
and shall not be construed for or against any party hereto.

 

(i) This Agreement may be executed in any number
of counterparts, each of which shall be deemed to be an original, but all such counterparts shall together constitute one and the same
instrument. Delivery of a signed counterpart of this Agreement by facsimile or electronic transmission shall constitute valid and sufficient
delivery thereof.

 

     

     

    

 

(j) Each of the Company and the Trustee hereby
acknowledge that the Representative is a third party beneficiary of this Agreement.

 

[Signature Page Follows]

 

 

     

     

    

 

IN WITNESS WHEREOF, the parties have duly executed
this Investment Management Trust Agreement as of the date first written above.

 

	 	CONTINENTAL STOCK TRANSFER & TRUST COMPANY, as Trustee
	 	 	 	 
	 	By:	 
	 	 	Name: 	Francis Wolf
	 	 	Title:	Vice President
	 	 	 	 
	 	MARS ACQUISITION CORPORATION
	 	 	 	 
	 	By:	 
	 	 	Name: 	Karl Brenza 
	 	 	Title:	Chief Executive Officer 

 

     

     

    

 

SCHEDULE A

 

	Fee Item	 	Time and method of payment	 	Amount	 
	Initial acceptance fee	 	Initial closing of IPO by wire transfer	 	$	   [_]	 
	Annual fee	 	First year, initial closing of IPO by wire transfer; thereafter on the anniversary of the effective date of the IPO by wire transfer or check	 	$	  [_]	 
	Transaction processing fee for disbursements to Company under Section 2	 	Billed to Company following disbursement made to Company under Section 2	 	$	  [_]	 
	Paying Agent services as required pursuant to section 1(i) and 1(j)	 	Billed to Company upon delivery of service pursuant to section 1(i) and 1(j)	 	 	 Prevailing rates	 

 

9

 

EXHIBIT A

 

[Letterhead of Company]

 

[Insert date]

 

 

Continental Stock Transfer

 

& Trust Company

 

1 State Street, 30th floor

 

New York, New York 10004

 

Attn: Francis Wolf and Celeste Gonzalez

 

Re: Trust Account Termination Letter

 

Dear Mr. Wolf and Ms. Gonzalez:

 

Pursuant to Section 1(i) of the Investment Management
Trust Agreement between Mars Acquisition Corporation (“Company”) and Continental Stock Transfer & Trust Company,
dated as of _______, 2022 (“Trust Agreement”), this is to advise you that the Company has entered into an agreement
with [__________________] to consummate a business combination (“Business Combination”) on or about [insert date].
The Company shall notify you at least 48 hours in advance of the actual date of the consummation of the Business Combination (“Consummation
Date”). Capitalized terms used herein and not otherwise defined shall have the meanings set forth in the Trust Agreement.

 

     

     

    

 

In accordance with the terms of the Trust Agreement,
we hereby authorize you to liquidate the Trust Account investments and to transfer the proceeds to the Trust Account at [●] to the
effect that, on the Consummation Date, all of the funds held in the Trust Account will be immediately available for transfer to the account
or accounts that the Company shall direct on the Consummation Date (including as directed to it by the Representative on behalf of the
Underwriters (with respect to the Business Combination Fee)). It is acknowledged and agreed that while the funds are on deposit in the
trust account awaiting distribution, neither the Company nor the Underwriters will earn any interest or dividends.

 

On the Consummation Date (i) counsel for the Company
shall deliver to you written notification that the Business Combination has been consummated and (ii) the Company shall deliver to you
(a) [an affidavit] [a certificate] by the Chief Executive Officer, which verifies the vote of the Company’s shareholders in connection
with the Business Combination if a vote is held and (b) joint written instructions from the Company and the Representative with respect
to the transfer of the funds held in the Trust Account, including payment of the Business Combination Fee from the Trust Account (“Instruction
Letter”). You are hereby directed and authorized to transfer the funds held in the Trust Account immediately upon your receipt
of the counsel's letter and the Instruction Letter, in accordance with the terms of the Instruction Letter. In the event that certain
deposits held in the Trust Account may not be liquidated by the Consummation Date without penalty, you will notify the Company of the
same and the Company shall direct you as to whether such funds should remain in the Trust Account and distributed after the Consummation
Date to the Company. Upon the distribution of all the funds in the Trust Account pursuant to the terms hereof, your obligations under
the Trust Agreement shall be terminated.

 

In the event that the Business Combination is not
consummated on the Consummation Date described in the notice thereof and we have not notified you on or before the original Consummation
Date of a new Consummation Date, then upon receipt by the you of written instructions from the Company, the funds held in the Trust Account
shall be reinvested as provided in the Trust Agreement on the business day immediately following the Consummation Date as set forth in
the notice.

 

	 	Very truly yours,
	 	 
	 	MARS ACQUISITION CORPORATION
	 	 	 
	 	By:	 
	 	 	Name:  Karl Brenza
	 	 	Title:    Chief Executive Officer

 

AGREED TO AND ACKNOWLEDGED BY

 

 

	Maxim Group LLC	 
	 	 	 
	By:	 	 
	 	Name: 	 
	 	Title:	 
	 	 	 	 

 

     

     

    

 

EXHIBIT B

 

[Letterhead of Company]

 

[Insert date]

 

Continental Stock Transfer & Trust Company

1 State Street, 30th floor

New York, New York 10004

Attn: Francis Wolf and Celeste Gonzalez

 

Re: Trust Account Termination Letter

 

Dear Mr. Wolf and Ms. Gonzalez:

 

Pursuant to Section 1(i) of the Investment Management
Trust Agreement between Mars Acquisition Corporation (“Company”) and Continental Stock Transfer & Trust Company,
dated as of _______, 2022 (“Trust Agreement”), this is to advise you that the Company has been unable to effect a Business
Combination with a Target Company within the time frame specified in the Company’s Amended and Restated Memorandum and Articles
of Association, as described in the Company’s prospectus relating to its IPO. Capitalized terms used herein and not otherwise defined
shall have the meanings set forth in the Trust Agreement.

 

In accordance with the terms of the Trust Agreement,
we hereby authorize you to liquidate the Trust Account and to transfer the total proceeds of the Trust to the Trust Operating Account
at [●] to await distribution to the Public Shareholders. The Company has selected [____________, 20__] as the effective date for
the purpose of determining when the Public Shareholders will be entitled to receive their share of the liquidation proceeds. It is acknowledged
that while the funds are on deposit in the Trust Operating Account awaiting distribution, the Company will not earn any interest or dividends.
You agree to be the Paying Agent of record and in your separate capacity as Paying Agent, to distribute said funds directly to the Public
Shareholders in accordance with the terms of the Trust Agreement and the Amended and Restated Memorandum and Articles of Association of
the Company. Upon the distribution of all the funds in the Trust Account, your obligations under the Trust Agreement shall be terminated.

 

	 	Very truly yours,
	 	 
	 	MARS ACQUISITION CORPORATION
	 	 	 
	 	By:	 
	 	 	Name:  Karl Brenza
	 	 	Title:    Chief Executive Officer

 

	cc:	Maxim Group LLC

 

     

     

    

 

EXHIBIT C

 

[Letterhead of Company]

 

[Insert date]

 

Continental Stock Transfer & Trust Company

 

1 State Street, 30th floor

New York, New York 10004

Attn: Francis Wolf and Celeste Gonzalez

 

Re: Trust Account Amendment Notification Letter

 

Dear Mr. Wolf and Ms. Gonzalez:

 

Reference is made to the Investment Management
Trust Agreement between Mars Acquisition Corporation (“Company”) and Continental Stock Transfer & Trust Company,
dated as of ________, 2022 (“Trust Agreement”). Capitalized words used herein and not otherwise defined shall have
the meanings ascribed to them in the Trust Agreement.

 

Pursuant to Section 1(j) of the Trust Agreement,
this is to advise you that the Company has sought an Amendment. Accordingly, in accordance with the terms of the Trust Agreement, we hereby
authorize you to liquidate a sufficient portion of the Trust Account and to transfer $____ of the total proceeds of the Trust to the Trust
Account at [●] to await distribution to the Public Shareholders that have requested conversion of their shares in connection with
such Amendment. The remaining funds shall be reinvested by you as previously instructed.

 

	 	Very truly yours,
	 	 
	 	MARS ACQUISITION CORPORATION
	 	 	 
	 	By:	 
	 	 	Name:   Karl Brenza
	 	 	Title:     Chief Executive Officer

 

	cc:	Maxim Group LLC

 

     

     

    

 

EXHIBIT D

 

[Letterhead of Company]

 

[Insert date]

 

Continental Stock Transfer & Trust Company

1 State Street, 30th floor

New York, New York 10004

Attn: Francis Wolf and Celeste Gonzalez

 

Re: Trust Account

 

Dear Mr. Wolf and Ms. Gonzalez:

 

Pursuant to Section 2(a) of the Investment Management
Trust Agreement between Mars Acquisition Corporation (“Company”) and Continental Stock Transfer & Trust Company,
dated as of _________, 2022 (“Trust Agreement”), the Company hereby requests that you deliver to the Company [$_______]
of the interest income earned on the Property as of the date hereof. The Company needs such funds to pay for its [income or other tax
obligations][dissolution and liquidation expenses, which expenses will not exceed $50,000].

 

In accordance with the terms of the Trust Agreement,
you are hereby directed and authorized to transfer (via wire transfer) such funds promptly upon your receipt of this letter to the Company’s
operating account at:

 

[WIRE INSTRUCTION INFORMATION]

 

	 	MARS ACQUISITION CORPORATION
	 	 	 
	 	By:	 
	 	 	Name:  Karl Brenza
	 	 	Title:    Chief Executive Officer

 

	cc:	Maxim Group LLCExhibit 10.5

 

REGISTRATION RIGHTS AGREEMENT

 

THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”)
is entered into as of [●], 2022, by and among Mars Acquisition Corporation, a Cayman Islands exempted company (the “Company”),
and the undersigned parties listed under Investors on the signature page hereto (each, an “Investor” and collectively, the
 “Investors”).

 

WHEREAS, the Investors and the Company desire to
enter into this Agreement to provide the Investors with certain rights relating to the registration of the securities held by them as
of the date hereof or that may be held by them upon consummation of a Business Combination (defined below);

 

NOW, THEREFORE, in consideration of the mutual
covenants and agreements set forth herein, and for other good and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto agree as follows:

 

1. DEFINITIONS. The following capitalized
terms used herein have the following meanings:

 

“Agreement” means this
Agreement, as amended, restated, supplemented, or otherwise modified from time to time.

 

“Business Combination”
means the acquisition of direct or indirect ownership through a merger, stock exchange, asset acquisition, stock purchase, recapitalization,
reorganization or other similar type of transaction, of one or more businesses or entities.

 

“Commission” means the
Securities and Exchange Commission, or any other federal agency then administering the Securities Act or the Exchange Act.

 

“Company”
is defined in the preamble to this Agreement.

 

“Demand Registration”
is defined in Section 2.1.1.

 

“Demanding Holder”
is defined in Section 2.1.1.

 

“Exchange Act” means
the Securities Exchange Act of 1934, as amended, and the rules and regulations of the Commission promulgated thereunder, all as the same
shall be in effect at the time.

 

“Form S-3” is defined
in Section 2.3.

 

“Founder Shares” means
the 2,156,250 ordinary shares, par value $0.0001 per share, issued to the Company’s initial shareholders prior to the Company’s
initial public offering, which include up to an aggregate of 281,250 ordinary shares subject to forfeiture by our initial shareholders
to the extent that the underwriters’ over-allotment option is not exercised in full.

 

“Indemnified Party”
is defined in Section 4.3.

 

“Indemnifying
Party” is defined in Section 4.3.

 

“Investor”
is defined in the preamble to this Agreement.

 

“Investor Indemnified
Party” is defined in Section 4.1.

 

“Maximum Number
of Shares” is defined in Section 2.1.4.

 

“Notices”
is defined in Section 6.3.

 

     

     

    

 

“Ordinary Shares”
means the ordinary shares, par value $0.0001 per share, of the Company.

 

“Piggy-Back Registration”
is defined in Section 2.2.1.

 

“Private Units” means
the Units certain of the Investors are privately purchasing simultaneously with the consummation of the Company’s initial public
offering.

 

“Private Shares” means
the Ordinary Shares included in the Private Units.

 

“Private Warrants” means
the warrants included in the Private Units.

 

“Private Rights” means
the rights included in the Private Units.

 

“Pro Rata” is defined
in Section 2.1.4.

 

“Register,” “Registered”
and “Registration” mean a registration effected by preparing and filing a registration statement or similar
document in compliance with the requirements of the Securities Act, and the applicable rules and regulations promulgated thereunder, and
such registration statement becoming effective.

 

“Registrable Securities”
means (i) the Founder Shares, (ii) the Private Shares, (iii) the Private Warrants (and underlying securities), (iv) the Private Rights
(and underlying securities), (v) the Working Capital Warrants (and underlying securities), if any, (vi) the Representative’s Shares,
and (v) any outstanding Ordinary Shares or any other equity security (including the Ordinary Shares issued or issuable upon the exercise
of any other equity security) of the Company held by an Investor as of the date of this Agreement. Registrable Securities include any
warrants, rights, shares of capital stock or other securities of the Company issued as a dividend or other distribution with respect to
or in exchange for or in replacement of such Founder Shares, Private Shares, Private Warrants (and underlying securities), Private Rights
(and underlying securities), Representative’s Shares, and Working Capital Warrants (and underlying securities). As to any particular
Registrable Securities, such securities shall cease to be Registrable Securities when: (a) a Registration Statement with respect to the
sale of such securities shall have become effective under the Securities Act and such securities shall have been sold, transferred, disposed
of or exchanged in accordance with such Registration Statement; (b) such securities shall have been otherwise transferred, new certificates
for them not bearing a legend restricting further transfer shall have been delivered by the Company, and subsequent public distribution
of them shall not require registration under the Securities Act; (c) such securities shall have ceased to be outstanding, or (d) the Registrable
Securities are freely saleable under Rule 144 under the Securities Act without volume limitations.

 

“Registration Statement”
means a registration statement filed by the Company with the Commission in compliance with the Securities Act and the rules and regulations
promulgated thereunder for a public offering and sale of equity securities, or securities or other obligations exercisable or exchangeable
for, or convertible into, equity securities (other than a registration statement on Form S-4 or Form S-8, or their successors, or any
registration statement covering only securities proposed to be issued in exchange for securities or assets of another entity).

 

“Representative” means
Maxim Group LLC.

 

“Representative’s Shares”
means 75,000 Ordinary Shares to be issued to the Representative pursuant to the Underwriting Agreement.

 

“Securities Act” means
the Securities Act of 1933, as amended, and the rules and regulations of the Commission promulgated thereunder, all as the same shall
be in effect at the time.

 

“Underwriter” means a
securities dealer who purchases any Registrable Securities as principal in an underwritten offering and not as part of such dealer’s
market-making activities.

 

“Underwriting Agreement”
means the underwriting agreement by and between the Company and the Representative dated [●], 2022.

 

     

     

    

 

“Units” means the units
of the Company, each comprised of one Ordinary Share, one right to receive one-tenth of one Ordinary Share, and one half of one warrant,
with each whole warrant entitling the holder to purchase one Ordinary Share.

 

“Working Capital Warrants”
means any Warrants underlying the Units held by Investors, officers or directors of the Company or their affiliates which may be issued
in payment of working capital loans made to the Company.

 

2. REGISTRATION RIGHTS.

 

2.1 Demand Registration.

 

2.1.1 Request for Registration. At any
time and from time to time on or after the date that the Company consummates a Business Combination, the holders of a majority-in-interest
of the Founder Shares, Private Shares, Private Rights (or underlying securities), Private Warrants (or underlying securities), Working
Capital Warrants (or underlying securities), the Representative’s Shares, or other Registrable Securities, as the case may be, held
by the Investors, officers or directors of the Company or their affiliates, or the transferees of the Investors may make a written demand
for registration under the Securities Act of all or part of their Founder Shares, Private Shares, Private Warrants (or underlying securities),
Private Rights (or underlying securities), the Representative’s Shares, Working Capital Warrants (or underlying securities) or other
Registrable Securities, as the case may be (a “Demand Registration”). Any demand for a Demand Registration shall
specify the number of shares of Registrable Securities proposed to be sold and the intended method(s) of distribution thereof. The Company
will, within ten (10) days of the Company’s receipt of the Demand Registration, notify all holders of Registrable Securities of
the demand, and each holder of Registrable Securities who wishes to include all or a portion of such holder’s Registrable Securities
in the Demand Registration (each such holder including shares of Registrable Securities in such registration, a “Demanding
Holder”) shall so notify the Company, in writing, within three (3) days after the receipt by the holder of the notice from
the Company. Upon any such request, the Demanding Holders shall be entitled to have their Registrable Securities included in the Demand
Registration, subject to Section 2.1.4 and the provisos set forth in Section 3.1.1. The Company shall not be obligated to effect more
than an aggregate of two (2) Demand Registrations under this Section 2.1.1 in respect of all Registrable Securities.

 

2.1.2 Effective Registration. A registration
will not count as a Demand Registration until the Registration Statement filed with the Commission with respect to such Demand Registration
has been declared effective by the Commission and the Company has complied with all of its obligations under this Agreement with respect
thereto; provided, however, that if, after such Registration Statement has been declared effective, the offering of Registrable Securities
pursuant to a Demand Registration is interfered with by any stop order or injunction of the Commission or any other governmental agency
or court, the Registration Statement with respect to such Demand Registration will be deemed not to have been declared effective, unless
and until, (i) such stop order or injunction is removed, rescinded or otherwise terminated, and (ii) a majority-in-interest of the Demanding
Holders thereafter elect to continue the offering; provided, further, that the Company shall not be obligated to file a second Registration
Statement until a Registration Statement that has been filed is counted as a Demand Registration or is terminated.

 

2.1.3 Underwritten Offering. If a majority-in-interest
of the Demanding Holders so elect and such holders so advise the Company as part of their written demand for a Demand Registration, the
offering of such Registrable Securities pursuant to such Demand Registration shall be in the form of an underwritten offering. In such
event, the right of any holder to include its Registrable Securities in such registration shall be conditioned upon such holder’s
participation in such underwriting and the inclusion of such holder’s Registrable Securities in the underwriting to the extent provided
herein. All Demanding Holders proposing to distribute their Registrable Securities through such underwriting shall enter into an underwriting
agreement in customary form with the Underwriter or Underwriters selected for such underwriting by a majority-in-interest of the holders
initiating the Demand Registration.

 

     

     

    

 

2.1.4 Reduction of Offering. If the managing
Underwriter or Underwriters for a Demand Registration that is to be an underwritten offering advises the Company and the Demanding Holders
in writing that the dollar amount or number of shares of Registrable Securities which the Demanding Holders desire to sell, taken together
with all other Ordinary Shares or other securities which the Company desires to sell and the Ordinary Shares, if any, as to which registration
has been requested pursuant to written contractual piggy-back registration rights held by other stockholders of the Company who desire
to sell, exceeds the maximum dollar amount or maximum number of shares that can be sold in such offering without adversely affecting the
proposed offering price, the timing, the distribution method, or the probability of success of such offering (such maximum dollar amount
or maximum number of shares, as applicable, the “Maximum Number of Shares”), then the Company shall include
in such registration: (i) first, the Registrable Securities as to which Demand Registration has been requested by the Demanding Holders
(pro rata in accordance with the number of shares that each such Person has requested be included in such registration, regardless of
the number of shares held by each such Person (such proportion is referred to herein as “Pro Rata”)) that can
be sold without exceeding the Maximum Number of Shares; (ii) second, to the extent that the Maximum Number of Shares has not been reached
under the foregoing clause (i), the Ordinary Shares or other securities that the Company desires to sell that can be sold without exceeding
the Maximum Number of Shares; (iii) third, to the extent that the Maximum Number of Shares has not been reached under the foregoing clauses
(i) and (ii), the Registrable Securities of holders exercising their piggy-back registration rights pursuant to Section 2.2; and (iv)
fourth, to the extent that the Maximum Number of Shares has not been reached under the foregoing clauses (i), (ii), and (iii), the Ordinary
Shares or other securities for the account of other persons that the Company is obligated to register pursuant to written contractual
arrangements with such persons and that can be sold without exceeding the Maximum Number of Shares.

 

2.1.5 Withdrawal. If a majority-in-interest
of the Demanding Holders disapprove of the terms of any underwriting or are not entitled to include all of their Registrable Securities
in any offering, such majority-in-interest of the Demanding Holders may elect to withdraw from such offering by giving written notice
to the Company and the Underwriter or Underwriters of their request to withdraw prior to the effectiveness of the Registration Statement
filed with the Commission with respect to such Demand Registration. If the majority-in-interest of the Demanding Holders withdraws from
a proposed offering relating to a Demand Registration, then such registration shall not count as a Demand Registration provided for in
Section 2.1. Notwithstanding anything to the contrary in this Agreement, the Company shall be responsible for all costs and expenses incurred
in connection with a registration pursuant to a Demand Registration prior to its withdrawal under this subsection 2.15.

 

2.2  Piggy-Back Registration.

 

2.2.1 Piggy-Back Rights. If at any time
on or after the date the Company consummates a Business Combination the Company proposes to file a Registration Statement under the Securities
Act with respect to an offering of equity securities, or securities or other obligations exercisable or exchangeable for, or convertible
into, equity securities, by the Company for its own account or for shareholders of the Company for their account (or by the Company and
by shareholders of the Company including, without limitation, pursuant to Section 2.1), other than a Registration Statement (i) filed
in connection with any employee stock option or other benefit plan, (ii) for an exchange offer or offering of securities solely to the
Company’s existing shareholders, (iii) for an offering of debt that is convertible into equity securities of the Company or (iv)
for a dividend reinvestment plan, then the Company shall (x) give written notice of such proposed filing to the holders of Registrable
Securities as soon as practicable but in no event less than ten (10) days before the anticipated filing date, which notice shall describe
the amount and type of securities to be included in such offering, the intended method(s) of distribution, and the name of the proposed
managing Underwriter or Underwriters, if any, of the offering, and (y) offer to the holders of Registrable Securities in such notice the
opportunity to register the sale of such number of shares of Registrable Securities as such holders may request in writing within three
(3) days following receipt of such notice (a “Piggy-Back Registration”). The Company shall cause such Registrable
Securities to be included in such registration and shall use its best efforts to cause the managing Underwriter or Underwriters of a proposed
underwritten offering to permit the Registrable Securities requested to be included in a Piggy-Back Registration on the same terms and
conditions as any similar securities of the Company and to permit the sale or other disposition of such Registrable Securities in accordance
with the intended method(s) of distribution thereof. All holders of Registrable Securities proposing to distribute their securities through
a Piggy-Back Registration that involves an Underwriter or Underwriters shall enter into an underwriting agreement in customary form with
the Underwriter or Underwriters selected for such Piggy-Back Registration.

 

     

     

    

 

2.2.2 Reduction of Offering. If the managing
Underwriter or Underwriters for a Piggy-Back Registration that is to be an underwritten offering advises the Company and the holders of
Registrable Securities in writing that the dollar amount or number of Ordinary Shares which the Company desires to sell, taken together
with Ordinary Shares, if any, as to which registration has been demanded pursuant to separate written contractual arrangements with persons
or entities other than the holders of Registrable Securities hereunder, the Registrable Securities as to which registration has been requested
under this Section 2.2, and the Ordinary Shares, if any, as to which registration has been requested pursuant to the written contractual
piggy-back registration rights of other stockholders of the Company, exceeds the Maximum Number of Shares, then the Company shall include
in any such registration:

 

(a) If the registration is undertaken for the Company’s account:
(A) the Ordinary Shares or other securities that the Company desires to sell that can be sold without exceeding the Maximum Number of
Shares; (B) to the extent that the Maximum Number of Shares has not been reached under the foregoing clause (A), the Ordinary Shares or
other securities, if any, comprised of Registrable Securities, as to which registration has been requested pursuant to the applicable
written contractual piggy-back registration rights of such security holders, Pro Rata, that can be sold without exceeding the Maximum
Number of Shares; and (C) to the extent that the Maximum Number of Shares has not been reached under the foregoing clauses (A) and (B),
the Ordinary Shares or other securities for the account of other persons that the Company is obligated to register pursuant to written
contractual piggy-back registration rights with such persons and that can be sold without exceeding the Maximum Number of Shares; and

 

(b) If the registration is a “demand” registration undertaken
at the demand of persons other than either the holders of Registrable Securities, (A) first, the Ordinary Shares or other securities for
the account of the demanding persons that can be sold without exceeding the Maximum Number of Shares; (B) second, to the extent that the
Maximum Number of Shares has not been reached under the foregoing clause (A), the Ordinary Shares or other securities that the Company
desires to sell that can be sold without exceeding the Maximum Number of Shares; (C) third, to the extent that the Maximum Number of Shares
has not been reached under the foregoing clauses (A) and (B), collectively, the Ordinary Shares or other securities comprised of Registrable
Securities, Pro Rata, as to which registration has been requested pursuant to the terms hereof, that can be sold without exceeding the
Maximum Number of Shares; and (D) fourth, to the extent that the Maximum Number of Shares has not been reached under the foregoing clauses
(A), (B) and (C), Ordinary Shares or other securities for the account of other persons that the Company is obligated to register pursuant
to written contractual arrangements with such persons, that can be sold without exceeding the Maximum Number of Shares.

 

2.2.3 Withdrawal. Any holder of Registrable
Securities may elect to withdraw such holder’s request for inclusion of Registrable Securities in any Piggy-Back Registration by
giving written notice to the Company of such request to withdraw prior to the effectiveness of the Registration Statement. The Company
(whether on its own determination or as the result of a withdrawal by persons making a demand pursuant to written contractual obligations)
may withdraw a Registration Statement at any time prior to the effectiveness of such Registration Statement. Notwithstanding any such
withdrawal, the Company shall pay all expenses incurred by the holders of Registrable Securities in connection with such Piggy-Back Registration
as provided in Section 3.3.

 

2.2.4 Unlimited Piggy-Back Registration Rights.
For the avoidance of doubt, any registration effected pursuant to Section 2.2 hereof shall not be counted as a registration pursuant to
a Demand Registration effected pursuant to Section 2.1 hereof.

 

     

     

    

 

2.3 Registrations on Form S-3. The holders
of Registrable Securities may at any time and from time to time request in writing that the Company register the resale of any or all
of such Registrable Securities on Form S-3 or any similar short-form registration which may be available at such time (“Form
S-3”); provided, however, that the Company shall not be obligated to effect such request through an underwritten offering.
Upon receipt of such written request, the Company will promptly give written notice of the proposed registration to all other holders
of Registrable Securities, and each holder of Registrable Securities who thereafter wishes to include all or a portion of such holder’s
Registrable Securities in such registration shall notify the Company in writing within three (3) days after the receipt by the holder
of the notice from the Company and, as soon as practicable thereafter, the Company shall effect the registration of all or such portion
of such holder’s or holders’ Registrable Securities as are specified in such request, together with all or such portion of
the Registrable Securities or other securities of the Company, if any, of any other holder or holders joining in such request; provided,
however, that the Company shall not be obligated to effect any such registration pursuant to this Section 2.3: (i) if Form S-3 is not
available for such offering; or (ii) if the holders of the Registrable Securities, together with the holders of any other securities of
the Company entitled to inclusion in such registration, propose to sell Registrable Securities and such other securities (if any) at any
aggregate price to the public of less than $[5,000,000]. Registrations effected pursuant to this Section 2.3 shall not be counted as Demand
Registrations effected pursuant to Section 2.1.

 

3. REGISTRATION PROCEDURES.

 

3.1 Filings; Information. Whenever the Company
is required to effect the registration of any Registrable Securities pursuant to Section 2, the Company shall use its best efforts to
effect the registration and sale of such Registrable Securities in accordance with the intended method(s) of distribution thereof as expeditiously
as practicable, and in connection with any such request:

 

3.1.1 Filing Registration Statement. The
Company shall use its best efforts to, as expeditiously as possible after receipt of a request for a Demand Registration pursuant to Section
2.1, prepare and file with the Commission a Registration Statement on any form for which the Company then qualifies or which counsel for
the Company shall deem appropriate and which form shall be available for the sale of all Registrable Securities to be registered thereunder
in accordance with the intended method(s) of distribution thereof, and shall use its best efforts to cause such Registration Statement
to become effective and use its best efforts to keep it effective for the period required by Section 3.1.3; provided, however, that the
Company shall have the right to defer any Demand Registration for up to thirty (30) days, and any Piggy-Back Registration for such period
as may be applicable to deferment of any demand registration to which such Piggy-Back Registration relates, in each case if the Company
shall furnish to the holders a certificate signed by the President or Chairman of the Company stating that, in the good faith judgment
of the Board of Directors of the Company, it would be materially detrimental to the Company and its shareholders for such Registration
Statement to be effected at such time; provided further, however, that the Company shall not have the right to exercise the right set
forth in the immediately preceding proviso more than once in any 365-day period in respect of a Demand Registration hereunder.

 

3.1.2 Copies. The Company shall, prior
to filing a Registration Statement or prospectus, or any amendment or supplement thereto, furnish without charge to the holders of Registrable
Securities included in such registration, and such holders’ legal counsel, copies of such Registration Statement as proposed to
be filed, each amendment and supplement to such Registration Statement (in each case including all exhibits thereto and documents incorporated
by reference therein), the prospectus included in such Registration Statement (including each preliminary prospectus), and such other
documents as the holders of Registrable Securities included in such registration or legal counsel for any such holders may request in
order to facilitate the disposition of the Registrable Securities owned by such holders.

 

3.1.3 Amendments and Supplements. The Company
shall prepare and file with the Commission such amendments, including post-effective amendments, and supplements to such Registration
Statement and the prospectus used in connection therewith as may be necessary to keep such Registration Statement effective and in compliance
with the provisions of the Securities Act until all Registrable Securities and other securities covered by such Registration Statement
have been disposed of in accordance with the intended method(s) of distribution set forth in such Registration Statement or such securities
have been withdrawn.

 

     

     

    

 

3.1.4 Notification. After the filing of
a Registration Statement, the Company shall promptly, and in no event more than two (2) business days after such filing, notify the holders
of Registrable Securities included in such Registration Statement of such filing, and shall further notify such holders promptly and confirm
such advice in writing in all events within two (2) business days of the occurrence of any of the following: (i) when such Registration
Statement becomes effective; (ii) when any post-effective amendment to such Registration Statement becomes effective; (iii) the issuance
or threatened issuance by the Commission of any stop order (and the Company shall take all actions required to prevent the entry of such
stop order or to remove it if entered); and (iv) any request by the Commission for any amendment or supplement to such Registration Statement
or any prospectus relating thereto or for additional information or of the occurrence of an event requiring the preparation of a supplement
or amendment to such prospectus so that, as thereafter delivered to the purchasers of the securities covered by such Registration Statement,
such prospectus will not contain an untrue statement of a material fact or omit to state any material fact required to be stated therein
or necessary to make the statements therein not misleading, and promptly make available to the holders of Registrable Securities included
in such Registration Statement any such supplement or amendment; except that before filing with the Commission a Registration Statement
or prospectus or any amendment or supplement thereto, including documents incorporated by reference, the Company shall furnish to the
holders of Registrable Securities included in such Registration Statement and to the legal counsel for any such holders, copies of all
such documents proposed to be filed sufficiently in advance of filing to provide such holders and legal counsel with a reasonable opportunity
to review such documents and comment thereon, and the Company shall not file any Registration Statement or prospectus or amendment or
supplement thereto, including documents incorporated by reference, to which such holders or their legal counsel shall object.

 

3.1.5 State Securities Laws Compliance.
The Company shall use its best efforts to (i) register or qualify the Registrable Securities covered by the Registration Statement under
such securities or “blue sky” laws of such jurisdictions in the United States as the holders of Registrable Securities included
in such Registration Statement (in light of their intended plan of distribution) may request and (ii) take such action necessary to cause
such Registrable Securities covered by the Registration Statement to be registered with or approved by such other governmental authorities
as may be necessary by virtue of the business and operations of the Company and do any and all other acts and things that may be necessary
or advisable to enable the holders of Registrable Securities included in such Registration Statement to consummate the disposition of
such Registrable Securities in such jurisdictions; provided, however, that the Company shall not be required to qualify generally to do
business in any jurisdiction where it would not otherwise be required to qualify or take any action to which it would be subject to general
service of process or taxation in any such jurisdiction where it is not then otherwise so subject.

 

3.1.6 Agreements for Disposition. The Company
shall enter into customary agreements (including, if applicable, an underwriting agreement in customary form) and take such other actions
as are reasonably required in order to expedite or facilitate the disposition of such Registrable Securities. The representations, warranties
and covenants of the Company in any underwriting agreement which are made to or for the benefit of any Underwriters, to the extent applicable,
shall also be made to and for the benefit of the holders of Registrable Securities included in such registration statement. No holder
of Registrable Securities included in such registration statement shall be required to make any representations or warranties in the underwriting
agreement except, if applicable, with respect to such holder’s organization, good standing, authority, title to Registrable Securities,
lack of conflict of such sale with such holder’s material agreements and organizational documents, and with respect to written information
relating to such holder that such holder has furnished in writing expressly for inclusion in such Registration Statement.

 

3.1.7 Cooperation. The principal executive
officer of the Company, the principal financial officer of the Company, the principal accounting officer of the Company and all other
officers and members of the management of the Company shall cooperate fully in any offering of Registrable Securities hereunder, which
cooperation shall include, without limitation, the preparation of the Registration Statement with respect to such offering and all other
offering materials and related documents, and participation in meetings with Underwriters, attorneys, accountants and potential investors.

 

3.1.8 Records. The Company shall make available
for inspection by the holders of Registrable Securities included in such Registration Statement, any Underwriter participating in any
disposition pursuant to such registration statement and any attorney, accountant or other professional retained by any holder of Registrable
Securities included in such Registration Statement or any Underwriter, all financial and other records, pertinent corporate documents
and properties of the Company, as shall be necessary to enable them to exercise their due diligence responsibility, and cause the Company’s
officers, directors and employees to supply all information requested by any of them in connection with such Registration Statement.

 

     

     

    

 

3.1.9 Opinions and Comfort Letters. The
Company shall furnish to each holder of Registrable Securities included in any Registration Statement a signed counterpart, addressed
to such holder, of (i) any opinion of counsel to the Company delivered to any Underwriter and (ii) any comfort letter from the Company’s
independent public accountants delivered to any Underwriter. In the event no legal opinion is delivered to any Underwriter, the Company
shall furnish to each holder of Registrable Securities included in such Registration Statement, at any time that such holder elects to
use a prospectus, an opinion of counsel to the Company to the effect that the Registration Statement containing such prospectus has been
declared effective and that no stop order is in effect.

 

3.1.10 Earnings Statement. The Company
shall comply with all applicable rules and regulations of the Commission and the Securities Act, and make available to its shareholders,
as soon as practicable, an earnings statement covering a period of twelve (12) months, which earnings statement shall satisfy the provisions
of Section 11(a) of the Securities Act and Rule 158 thereunder.

 

3.1.11 Listing. The Company shall use its
best efforts to cause all Registrable Securities included in any registration to be listed on such exchanges or otherwise designated for
trading in the same manner as similar securities issued by the Company are then listed or designated or, if no such similar securities
are then listed or designated, in a manner satisfactory to the holders of a majority of the Registrable Securities included in such registration.

 

3.1.12 Road Show. If the registration involves
the registration of Registrable Securities involving gross proceeds in excess of $[12,500,000], the Company shall use its reasonable efforts
to make available senior executives of the Company to participate in customary “road show” presentations that may be reasonably
requested by the Underwriter in any underwritten offering.

 

3.2 Obligation to Suspend Distribution.
Upon receipt of any notice from the Company of the happening of any event of the kind described in Section 3.1.4(iv), or, in the case
of a resale registration on Form S-3 pursuant to Section 2.3 hereof, upon any suspension by the Company, pursuant to a written insider
trading compliance program adopted by the Company’s Board of Directors, of the ability of all “insiders” covered by
such program to transact in the Company’s securities because of the existence of material non-public information, each holder of
Registrable Securities included in any registration shall immediately discontinue disposition of such Registrable Securities pursuant
to the Registration Statement covering such Registrable Securities until such holder receives the supplemented or amended prospectus contemplated
by Section 3.1.4(iv) or the restriction on the ability of “insiders” to transact in the Company’s securities is removed,
as applicable, and, if so directed by the Company, each such holder will deliver to the Company all written copies, other than permanent
file copies then in such holder’s possession, of the most recent prospectus covering such Registrable Securities at the time of
receipt of such notice.

 

3.3 Registration Expenses. The Company shall
bear all costs and expenses incurred in connection with any Demand Registration pursuant to Section 2.1, any Piggy-Back Registration pursuant
to Section 2.2, and any registration on Form S-3 effected pursuant to Section 2.3, and all expenses incurred in performing or complying
with its other obligations under this Agreement, whether or not the Registration Statement becomes effective, including, without limitation:
(i) all registration and filing fees and fees of any securities exchange on which the Ordinary Shares are then listed; (ii) fees and expenses
of compliance with securities or “blue sky” laws (including fees and disbursements of counsel in connection with blue sky
qualifications of the Registrable Securities); (iii) printing expenses; (iv) the Company’s internal expenses (including, without
limitation, all salaries and expenses of its officers and employees); (v) the fees and expenses incurred in connection with the listing
of the Registrable Securities as required by Section 3.1.11; (vi) Financial Industry Regulatory Authority fees; (vii) fees and disbursements
of counsel for the Company and fees and expenses for independent certified public accountants retained by the Company (including the expenses
or costs associated with the delivery of any opinions or comfort letters requested pursuant to Section 3.1.9); (viii) the fees and expenses
of any special experts retained by the Company in connection with such registration; and (ix) the fees and expenses of one legal counsel
selected by the holders of a majority-in-interest of the Registrable Securities included in such registration. The Company shall have
no obligation to pay any underwriting discounts or selling commissions attributable to the Registrable Securities being sold by the holders
thereof, which underwriting discounts or selling commissions shall be borne by such holders. Additionally, in an underwritten offering,
all selling shareholders and the Company shall bear the expenses of the Underwriter pro rata in proportion to the respective amount of
shares each is selling in such offering.

 

     

     

    

 

3.4 Information. The holders of Registrable
Securities shall provide such information as may reasonably be requested by the Company, or the managing Underwriter, if any, in connection
with the preparation of any Registration Statement, including amendments and supplements thereto, in order to effect the registration
of any Registrable Securities under the Securities Act pursuant to Section 2 and in connection with the Company’s obligation to
comply with federal and applicable state securities laws.

 

4. INDEMNIFICATION AND
CONTRIBUTION.

 

4.1 Indemnification by the Company. The
Company agrees to indemnify and hold harmless each Investor and each other holder of Registrable Securities, and each of their respective
officers, employees, affiliates, directors, partners, members, attorneys and agents, and each person, if any, who controls an Investor
and each other holder of Registrable Securities (within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange
Act) (each, an “Investor Indemnified Party”), from and against any expenses, losses, judgments, claims, damages
or liabilities, whether joint or several, arising out of or based upon any untrue statement (or allegedly untrue statement) of a material
fact contained in any Registration Statement under which the sale of such Registrable Securities was registered under the Securities Act,
any preliminary prospectus, final prospectus or summary prospectus contained in the Registration Statement, or any amendment or supplement
to such Registration Statement, or arising out of or based upon any omission (or alleged omission) to state a material fact required to
be stated therein or necessary to make the statements therein not misleading, or any violation by the Company of the Securities Act or
any rule or regulation promulgated thereunder applicable to the Company and relating to action or inaction required of the Company in
connection with any such registration; and the Company shall promptly reimburse the Investor Indemnified Party for any legal and any other
expenses reasonably incurred by such Investor Indemnified Party in connection with investigating and defending any such expense, loss,
judgment, claim, damage, liability or action whether or not any such person is a party to any such claim or action and including any and
all legal and other expenses incurred in giving testimony or furnishing documents in response to a subpoena or otherwise; provided, however,
that the Company will not be liable in any such case to the extent that any such expense, loss, claim, damage or liability arises out
of or is based upon any untrue statement or allegedly untrue statement or omission or alleged omission made in such Registration Statement,
preliminary prospectus, final prospectus, or summary prospectus, or any such amendment or supplement, in reliance upon and in conformity
with information furnished to the Company, in writing, by such selling holder expressly for use therein. The Company also shall indemnify
any Underwriter of the Registrable Securities, their officers, affiliates, directors, partners, members and agents and each person who
controls such Underwriter on substantially the same basis as that of the indemnification provided above in this Section 4.1.

 

4.2 Indemnification by Holders of Registrable
Securities. Subject to the limitations set forth in Section 4.4.3 hereof, each selling holder of Registrable Securities will, in the
event that any registration is being effected under the Securities Act pursuant to this Agreement of any Registrable Securities held by
such selling holder, indemnify and hold harmless the Company, each of its directors and officers and each Underwriter (if any), and each
other selling holder and each other person, if any, who controls another selling holder or such Underwriter within the meaning of the
Securities Act, against any losses, claims, judgments, damages or liabilities, whether joint or several, insofar as such losses, claims,
judgments, damages or liabilities (or actions in respect thereof) arise out of or are based upon any untrue statement or allegedly untrue
statement of a material fact contained in any Registration Statement under which the sale of such Registrable Securities was registered
under the Securities Act, any preliminary prospectus, final prospectus or summary prospectus contained in the Registration Statement,
or any amendment or supplement to the Registration Statement, or arise out of or are based upon any omission or the alleged omission to
state a material fact required to be stated therein or necessary to make the statement therein not misleading, if the statement or omission
was made in reliance upon and in conformity with information furnished in writing to the Company by such selling holder expressly for
use therein, and shall reimburse the Company, its directors and officers, and each other selling holder or controlling person for any
legal or other expenses reasonably incurred by any of them in connection with investigation or defending any such loss, claim, damage,
liability or action. Each selling holder’s indemnification obligations hereunder shall be several and not joint and shall be limited
to the amount of any net proceeds actually received by such selling holder.

 

     

     

    

 

4.3 Conduct of Indemnification Proceedings.
Promptly after receipt by any person of any notice of any loss, claim, damage or liability or any action in respect of which indemnity
may be sought pursuant to Section 4.1 or 4.2, such person (the “Indemnified Party”) shall, if a claim in respect
thereof is to be made against any other person for indemnification hereunder, notify such other person (the “Indemnifying
Party”) in writing of the loss, claim, judgment, damage, liability or action; provided, however, that the failure by the
Indemnified Party to notify the Indemnifying Party shall not relieve the Indemnifying Party from any liability which the Indemnifying
Party may have to such Indemnified Party hereunder, except and solely to the extent the Indemnifying Party is actually prejudiced by such
failure. If the Indemnified Party is seeking indemnification with respect to any claim or action brought against the Indemnified Party,
then the Indemnifying Party shall be entitled to participate in such claim or action, and, to the extent that it wishes, jointly with
all other Indemnifying Parties, to assume control of the defense thereof with counsel satisfactory to the Indemnified Party. After notice
from the Indemnifying Party to the Indemnified Party of its election to assume control of the defense of such claim or action, the Indemnifying
Party shall not be liable to the Indemnified Party for any legal or other expenses subsequently incurred by the Indemnified Party in connection
with the defense thereof other than reasonable costs of investigation; provided, however, that in any action in which both the Indemnified
Party and the Indemnifying Party are named as defendants, the Indemnified Party shall have the right to employ separate counsel (but no
more than one such separate counsel) to represent the Indemnified Party and its controlling persons who may be subject to liability arising
out of any claim in respect of which indemnity may be sought by the Indemnified Party against the Indemnifying Party, with the fees and
expenses of such counsel to be paid by such Indemnifying Party if, based upon the written advice of counsel of such Indemnified Party,
representation of both parties by the same counsel would be inappropriate due to actual or potential differing interests between them.
No Indemnifying Party shall, without the prior written consent of the Indemnified Party, consent to entry of judgment or effect any settlement
of any claim or pending or threatened proceeding in respect of which the Indemnified Party is or could have been a party and indemnity
could have been sought hereunder by such Indemnified Party, unless such judgment or settlement includes an unconditional release of such
Indemnified Party from all liability arising out of such claim or proceeding.

 

4.4 Contribution.

 

4.4.1 If the indemnification provided for in the
foregoing Sections 4.1, 4.2 and 4.3 is unavailable to any Indemnified Party in respect of any loss, claim, damage, liability or action
referred to herein, then each such Indemnifying Party, in lieu of indemnifying such Indemnified Party, shall contribute to the amount
paid or payable by such Indemnified Party as a result of such loss, claim, damage, liability or action in such proportion as is appropriate
to reflect the relative fault of the Indemnified Parties and the Indemnifying Parties in connection with the actions or omissions which
resulted in such loss, claim, damage, liability or action, as well as any other relevant equitable considerations. The relative fault
of any Indemnified Party and any Indemnifying Party shall be determined by reference to, among other things, whether the untrue or alleged
untrue statement of a material fact or the omission or alleged omission to state a material fact relates to information supplied by such
Indemnified Party or such Indemnifying Party and the parties’ relative intent, knowledge, access to information and opportunity
to correct or prevent such statement or omission.

 

4.4.2 The parties hereto agree that it would not
be just and equitable if contribution pursuant to this Section 4.4 were determined by pro rata allocation or by any other method of allocation
which does not take account of the equitable considerations referred to in the immediately preceding Section 4.4.1.

 

4.4.3 The amount paid or payable by an Indemnified
Party as a result of any loss, claim, damage, liability or action referred to in the immediately preceding paragraph shall be deemed to
include, subject to the limitations set forth above, any legal or other expenses incurred by such Indemnified Party in connection with
investigating or defending any such action or claim. Notwithstanding the provisions of this Section 4.4, no holder of Registrable Securities
shall be required to contribute any amount in excess of the dollar amount of the net proceeds (after payment of any underwriting fees,
discounts, commissions or taxes) actually received by such holder from the sale of Registrable Securities which gave rise to such contribution
obligation. No person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) with respect
to any action shall be entitled to contribution in such action from any person who was not guilty of such fraudulent misrepresentation.

 

     

     

    

 

5. UNDERWRITING AND DISTRIBUTION.

 

5.1 Rule 144. The Company covenants that
it shall file any reports required to be filed by it under the Securities Act and the Exchange Act and shall take such further action
as the holders of Registrable Securities may reasonably request, all to the extent required from time to time to enable such holders to
sell Registrable Securities without registration under the Securities Act within the limitation of the exemptions provided by Rule 144
under the Securities Act, as such Rules may be amended from time to time, or any similar rule or regulation hereafter adopted by the Commission.

 

6. MISCELLANEOUS.

 

6.1 Other Registration Rights. The Company
represents and warrants that no person, other than the holders of the Registrable Securities, has any right to require the Company to
register any shares of the Company’s capital stock for sale or to include shares of the Company’s capital stock in any registration
filed by the Company for the sale of shares of capital stock for its own account or for the account of any other person.

 

6.2 Assignment; No Third Party Beneficiaries.
This Agreement and the rights, duties and obligations of the Company hereunder may not be assigned or delegated by the Company in whole
or in part, except in connection with a Business Combination and with the consent of each Investor party hereto. This Agreement and the
rights, duties and obligations of the holders of Registrable Securities hereunder may be freely assigned or delegated by such holder of
Registrable Securities in conjunction with and to the extent of any transfer of Registrable Securities by any such holder. This Agreement
and the provisions hereof shall be binding upon and shall inure to the benefit of each of the parties, to the permitted assigns of the
Investors or holder of Registrable Securities or of any assignee of the Investors or holder of Registrable Securities. This Agreement
is not intended to confer any rights or benefits on any persons that are not party hereto other than as expressly set forth in Article
4 and this Section 6.2.

 

6.3 Notices. All notices, demands, requests,
consents, approvals or other communications (collectively, “Notices”) required or permitted to be given hereunder
or which are given with respect to this Agreement shall be in writing and shall be personally served, delivered by reputable air courier
service with charges prepaid, or transmitted by hand delivery, telegram, telex or facsimile, addressed as set forth below, or to such
other address as such party shall have specified most recently by written notice. Notice shall be deemed given on the date of service
or transmission if personally served or transmitted by telegram, telex or facsimile; provided, that if such service or transmission is
not on a business day or is after normal business hours, then such notice shall be deemed given on the next business day. Notice otherwise
sent as provided herein shall be deemed given on the next business day following timely delivery of such notice to a reputable air courier
service with an order for next-day delivery.

 

To the Company:

 

Mars Acquisition Corporation

Americas Tower

1177 Avenue of The Americas, Suite 5100

New York, NY 10036

Attn: Karl Brenza

 

with a copy to:

 

VCL Law LLP 

1945 Old Gallows Road, Suite 630

 

     

     

    

 

Vienna, VA 22182 

Attn:   Fang Liu, Esq.

 

To an Investor, to the address set forth below such Investor’s
name on Exhibit A hereto.

 

6.4 Severability. This Agreement shall be
deemed severable, and the invalidity or unenforceability of any term or provision hereof shall not affect the validity or enforceability
of this Agreement or of any other term or provision hereof. Furthermore, in lieu of any such invalid or unenforceable term or provision,
the parties hereto intend that there shall be added as a part of this Agreement a provision as similar in terms to such invalid or unenforceable
provision as may be possible that is valid and enforceable.

 

6.5 Counterparts. This Agreement may be
executed in multiple counterparts, each of which shall be deemed an original, and all of which taken together shall constitute one and
the same instrument. Delivery of a signed counterpart of this Agreement by facsimile or email/pdf transmission shall constitute valid
and sufficient.

 

6.6 Entire Agreement. This Agreement (including
all agreements entered into pursuant hereto and all certificates and instruments delivered pursuant hereto and thereto) constitute the
entire agreement of the parties with respect to the subject matter hereof and supersede all prior and contemporaneous agreements, representations,
understandings, negotiations and discussions between the parties, whether oral or written.

 

6.7 Modifications and Amendments. No amendment,
modification or termination of this Agreement shall be binding upon any party unless executed in writing by such party.

 

6.8 Titles and Headings. Titles and headings
of sections of this Agreement are for convenience only and shall not affect the construction of any provision of this Agreement.

 

6.9 Waivers and Extensions. Any party to
this Agreement may waive any right, breach or default which such party has the right to waive, provided that such waiver will not be effective
against the waiving party unless it is in writing, is signed by such party, and specifically refers to this Agreement. Waivers may be
made in advance or after the right waived has arisen or the breach or default waived has occurred. Any waiver may be conditional. No waiver
of any breach of any agreement or provision herein contained shall be deemed a waiver of any preceding or succeeding breach thereof nor
of any other agreement or provision herein contained. No waiver or extension of time for performance of any obligations or acts shall
be deemed a waiver or extension of the time for performance of any other obligations or acts.

 

6.10 Remedies Cumulative. In the event that
the Company fails to observe or perform any covenant or agreement to be observed or performed under this Agreement, the Investor or any
other holder of Registrable Securities may proceed to protect and enforce its rights by suit in equity or action at law, whether for specific
performance of any term contained in this Agreement or for an injunction against the breach of any such term or in aid of the exercise
of any power granted in this Agreement or to enforce any other legal or equitable right, or to take any one or more of such actions, without
being required to post a bond. None of the rights, powers or remedies conferred under this Agreement shall be mutually exclusive, and
each such right, power or remedy shall be cumulative and in addition to any other right, power or remedy, whether conferred by this Agreement
or now or hereafter available at law, in equity, by statute or otherwise.

 

6.11 Governing Law. This Agreement shall
be governed by, interpreted under, and construed in accordance with the internal laws of the State of New York applicable to agreements
made and to be performed within the State of New York, without giving effect to any choice-of-law provisions thereof that would compel
the application of the substantive laws of any other jurisdiction. The Company irrevocably submits to the nonexclusive 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 Agreement. The Company irrevocably waives, 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.

 

     

     

    

 

6.12 FINRA. Notwithstanding the foregoing
provisions, the Representative’s Shares owned by Representatives or any permitted transferee under FINRA Rule 5110(e)(2) shall be
subject to compliance with FINRA Rule 5110(g)(8). The Representatives may not exercise their demand or “piggyback” registration
rights after five and seven years, respectively, after the effective date of the Company’s initial public offering and may not exercise
their demand rights on more than one occasion.

 

6.13 Waiver of Trial by Jury. EACH
PARTY HEREBY IRREVOCABLY AND UNCONDITIONALLY WAIVES THE RIGHT TO A TRIAL BY JURY IN ANY ACTION, SUIT, COUNTERCLAIM OR OTHER PROCEEDING
(WHETHER BASED ON CONTRACT, TORT OR OTHERWISE) ARISING OUT OF, CONNECTED WITH OR RELATING TO THIS AGREEMENT, THE TRANSACTIONS CONTEMPLATED
HEREBY, OR THE ACTIONS OF THE INVESTOR IN THE NEGOTIATION, ADMINISTRATION, PERFORMANCE OR ENFORCEMENT HEREOF.

 

[REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]

 

     

     

    

 

IN WITNESS WHEREOF, the parties have caused this
Registration Rights Agreement to be executed and delivered by their duly authorized representatives as of the date first written above.

 

 

 

	 	 	COMPANY:
	 	 	 	 
	 	 	MARS ACQUISITION CORPORATION
	 	 	 	 
	 	By:	 
	 	 	Name: 	Karl Brenza
	 	 	Title:	Chief Executive Officer
	 	 	 	 
	 	 	INVESTORS:
	 	 	 
	 	 	REDONE INVESTMENT LIMITED
	 	 	 
	 	By:	 
	 	 	Name:	 
	 	 	Title:
	 	 	 
	 	 	[_]
	 	 	 
	 	By:	 
	 	 	Name:
	 	 	Title:
	 	 	 
	 	 	 
	 	 	[_]
	 	 	 
	 	 	 
	 	 	[_]
	 	 	 
	 	 	 
	 	 	[_]

 

[Signature Page to Registration Rights Agreement]

 

     

     

    

 

EXHIBIT A

 

	Name and Address of Investor	 	 

[To Come]

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