Exhibit 10.4


 





FORM OF SUBSCRIPTION AGREEMENT


 


This SUBSCRIPTION AGREEMENT
(this “Subscription Agreement”) is being entered into as of the date set forth on the signature page hereto, by and
between Pioneer Merger Corp., a Cayman Islands exempted company, which shall be domesticated
as a Delaware corporation prior to the closing of the Transaction (as defined herein) (“SPAC”), and the undersigned
subscriber (the “Investor”).


 


WHEREAS, this Subscription
Agreement is being entered into in connection with the Business Combination Agreement, dated as of the date hereof (as may be amended,
supplemented or otherwise modified from time to time, the “Combination Agreement”), by and among SPAC, Acorns Grow
Incorporated, a Delaware corporation (the “Company”), and Pioneer SPAC Merger Sub Inc. (“SPAC Merger Sub”),
pursuant to which, among other things, SPAC Merger Sub will merge with and into the Company, with the Company as the surviving company
in the merger and, after giving effect to such merger, the Company will become a subsidiary of SPAC, on the terms and subject to the conditions
therein (the transactions contemplated by the Combination Agreement, including the merger, the “Transaction”);


 


WHEREAS, in connection with
the Transaction, SPAC is seeking commitments from interested investors to purchase, following the Domestication (as defined below) and
prior to the closing of the Transaction, shares of SPAC’s common stock, par value $0.0001
per share (the “Shares”), in a private placement for a purchase price of $10.00 per share (the “Per Share
Purchase Price”); 


 


WHEREAS,
on or about the date of this Subscription Agreement, SPAC is entering into subscription agreements (the “Other Subscription Agreements”
and together with the Subscription Agreement, the “Subscription Agreements”) with certain other investors (the “Other
Investors” and together with the Investor, the “Investors”), severally and not jointly, pursuant to which
the Investors, severally and not jointly, have agreed to purchase on the closing date of the Transaction, inclusive of the Shares subscribed
for by the Investor, an aggregate amount of up to 16,500,000 Shares, at the Per Share Purchase Price;


 


WHEREAS, prior to the closing
of the Transaction (and as more fully described in the Combination Agreement), SPAC will
domesticate as a Delaware corporation in accordance with Section 388 of the General Corporation Law of the State of Delaware and de-register
as a Cayman Islands exempted company in accordance with Section 206 of the Cayman Islands Companies Law (2020 Revision) (the “Domestication”);
and


 


WHEREAS,
the aggregate purchase price to be paid by the Investor for the subscribed Shares (as set forth on the signature page hereto) is referred
to herein as the “Subscription Amount.” 


 


NOW, THEREFORE, in connection
therewith, and in consideration of the foregoing and the mutual representations, warranties and covenants, and subject to the conditions,
set forth herein, and intending to be legally bound hereby, each of the Investor and SPAC acknowledges and agrees as follows:


 


1.                  
Subscription. The Investor hereby subscribes for and agrees to purchase from SPAC and SPAC hereby agrees to sell and issue
to the Investor the number of Shares set forth on the signature page of this Subscription Agreement on the terms and subject to the conditions
provided for herein. Investor acknowledges and agrees that, as a result of the Domestication, the Shares that will be purchased by the
Investor and issued by SPAC pursuant hereto shall be shares of common stock in a Delaware corporation (and not, for the avoidance of doubt,
ordinary shares in a Cayman Islands exempted company).


 






     


     


    

 


2.                   Closing.
The closing of the sale of the Shares contemplated hereby (the “Closing”)
is contingent upon the substantially concurrent consummation of the Transaction. The Closing shall occur on the date of, and
substantially concurrently with and conditioned upon the effectiveness of, the Transaction. Upon (a) satisfaction or waiver of the
conditions set forth in Section 3 below and (b) delivery of written notice from (or on behalf of) SPAC to the Investor (the
 “Closing Notice”), that SPAC reasonably expects all conditions to the
closing of the Transaction to be satisfied or waived on a date that is not less than five (5) business days from the date on which
the Closing Notice is delivered to the Investor, the Investor shall deliver to SPAC, three (3) business days prior to the closing
date specified in the Closing Notice (the “Closing Date”), (i) the
Subscription Amount by wire transfer of United States dollars in immediately available funds to the account(s) specified by SPAC in
the Closing Notice and (ii) any other information that is reasonably requested in the Closing Notice in order for SPAC to issue the
Investor’s Shares, including, without limitation, the legal name of the person in whose name such Shares are to be issued and
a duly executed Internal Revenue Service Form W-9 or W-8, as applicable. On the Closing Date, SPAC shall issue a number of Shares to
the Investor set forth on the signature page to this Subscription Agreement and subsequently cause such Shares to be registered in
book entry form in the name of the Investor on SPAC’s share register; provided, however, that SPAC’s
obligation to issue the Shares to the Investor is contingent upon SPAC having received the Subscription Amount in full accordance
with this Section 2. If the Closing does not occur within ten (10) business days
following the Closing Date specified in the Closing Notice, SPAC shall promptly (but not later than one (1) business day
thereafter) return the Subscription Amount in full to the Investor. For purposes of this Subscription Agreement, “business
day” shall mean a day other than a Saturday, Sunday or other day on which commercial banks in New York, New York are
authorized or required by law to close. Notwithstanding anything to the contrary in Section 8 hereof, if this Subscription Agreement
terminates, SPAC shall promptly (but no later than two (2) business days thereafter) return the Subscription Amount (if delivered)
without any deduction for or on account of any tax, withholding, charges, costs, fees, expenses, or set-off to the Investor, by wire
transfer of U.S. dollars in immediately available funds to the account specified by the Investor, and any book-entries for the
Shares will be deemed repurchased and cancelled.


 


In lieu of the foregoing
for [·] investors:


 


Closing. The closing
of the sale of the Shares contemplated hereby (the “Closing”) is contingent
upon the substantially concurrent consummation of the Transaction. The Closing shall occur on the date of, and substantially concurrently
with and conditioned upon the effectiveness of, the Transaction. Upon satisfaction or waiver of the conditions set forth in this Section
2 and Section 3 below and delivery of written notice from (or on behalf of) SPAC to the Investor (the “Closing
Notice”), that SPAC reasonably expects all conditions to the closing of the Transaction to be satisfied or waived on
a date that is not less than five (5) business days from the date on which the Closing Notice is delivered to the Investor (the “Closing
Date”), on the Closing Date, (a) the Investor shall deliver to SPAC the Subscription Amount against delivery of the Investor’s
shares pursuant to the following clause (b), by wire transfer of United States dollars in immediately available funds to the account(s)
specified by SPAC in the Closing Notice (which account(s) shall not be escrow account(s)) and (b) SPAC shall issue a number of Shares
to the Investor set forth on the signature page to this Subscription Agreement, free and clear of any liens or other restrictions (other
than those arising under state or federal securities laws), registered in book entry form in the name of the Investor (or its nominee
in accordance with its delivery instructions) and provide evidence from the SPAC’s transfer agent showing Investor (or such nominee)
as the owner of such Shares on and as of the Closing Date. Investor shall provide SPAC no later than three (3) business days prior to
the Closing Date such information that is reasonably requested in the Closing Notice in order for SPAC to issue the Investor’s Shares,
including, without limitation, the legal name of the person or nominee in whose name such Shares are to be issued and a duly executed
Internal Revenue Service Form W-9 or W-8, as applicable. If the closing of the Transaction does
not occur within one (1) business day following the Closing, SPAC shall promptly (but not later than one (1) business day thereafter)
return the Subscription Amount in full to the Investor by wire transfer of U.S. dollars in immediately available funds to the account
specified by Investor, and any book-entries for the Shares shall be deemed cancelled. For purposes of this Subscription Agreement, “business
day” shall mean a day other than a Saturday, Sunday or other day on which commercial banks in New York, New York are authorized
or required by law to close.


 


3.                  
Closing Conditions.


 


a.                   
The obligation of the parties hereto to consummate the purchase and sale of the Shares pursuant to this Subscription Agreement
is subject to the satisfaction or written waiver of the following conditions:


 


(i)                 
no applicable governmental authority shall have enacted, issued, promulgated, enforced or entered any judgment, order, law,
rule or regulation (whether temporary, preliminary or permanent) which is then in effect and has the effect of making the consummation
of the transactions contemplated hereby illegal or otherwise restraining or prohibiting consummation of the transactions contemplated
hereby, and no governmental authority shall have instituted or threatened in writing a proceeding seeking to impose any such restraint
or prohibition; and


 






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(ii)               
 all conditions precedent to the closing of the Transaction under the Combination Agreement shall have been satisfied (as
determined by the parties to the Combination Agreement and other than those conditions under the Combination Agreement which, by their
nature, are to be fulfilled at the closing of the Transaction, including to the extent that any such condition is dependent upon the consummation
of the purchase and sale of the Shares pursuant to this Subscription Agreement) or waived and the closing of the Transaction shall be
scheduled to occur concurrently with or on the same date as the Closing Date.


 


b.                     The
obligation of SPAC to consummate the issuance and sale of the Shares pursuant to this Subscription Agreement shall be subject to the
satisfaction or written waiver of the following conditions: (i) all representations and warranties of the Investor contained in this
Subscription Agreement are true and correct in all material respects (other than representations and warranties that are qualified as
to materiality or Material Adverse Effect (as defined herein), which representations and warranties shall be true in all respects) at
and as of the Closing Date (unless they specifically speak as of an earlier date, in which case they shall be true and correct in all
material respects (other than representations and warranties that are qualified as to materiality or Material Adverse Effect (as defined
herein), which representations and warranties shall be true in all respects) as of such date), and consummation of the Closing shall
constitute a reaffirmation by the Investor of each of the representations and warranties of the Investor contained in this Subscription
Agreement as of the Closing Date and (ii) all obligations, covenants and agreements of the Investor required to be performed by it at
or prior to the Closing Date shall have been performed in all material respects.


 


c.                     The obligation of the Investor to consummate the purchase of the Shares pursuant to this Subscription Agreement shall be
subject to the satisfaction or written waiver of the following conditions: (i) all representations and warranties of SPAC contained in
this Subscription Agreement shall be true and correct in all material respects (other than representations and warranties that are qualified
as to materiality or Material Adverse Effect (as defined herein), which representations and warranties shall be true in all respects)
at and as of the Closing Date, and consummation of the Closing shall constitute a reaffirmation by SPAC of each of the representations
and warranties of SPAC contained in this Subscription Agreement as of the Closing Date, (ii) all obligations, covenants and agreements
of SPAC required by the Subscription Agreement to be performed by it at or prior to the Closing Date shall have been performed in all
material respects, (iii) no suspension of the listing or qualification for offering or sale or trading of the Shares in any jurisdiction
or on the Stock Exchange (as defined below) shall have occurred, and to the SPAC’s knowledge, no initiation or threatening of any
proceedings for such purposes shall have occurred and be continuing, and the Shares being acquired hereunder shall have been approved
for listing on the Stock Exchange, subject to official notice of issuance, (iv) the terms of the Combination Agreement (as the same exists
on the date of this Subscription Agreement) shall not have been amended or modified in a manner, and no waiver thereunder shall have occurred,
that would reasonably be expected to be materially adverse to the economic benefits that the Investor would reasonably expect to receive
under this Subscription Agreement, without such Investor’s written consent, (v) the Domestication shall have been consummated and
SPAC shall be duly incorporated, validly existing and in good standing under the laws of the State of Delaware and cease to be a Cayman
Islands exempted company, and (vi) no material adverse effect on the business, financial condition, shareholders’ equity or results
of operations of SPAC and its subsidiaries, taken as a whole (a “Material Adverse Effect”)
shall have occurred, provided, that, the issuance by the SEC (as defined herein) of the Statement on Accounting and Reporting Considerations
for Warrants Issued by Special Purpose Acquisition Companies, made on April 12, 2021 (the “Statement”), and any consequences
thereof or actions taken by SPAC directly in response thereto, shall not cause any of the conditions in this clause (c) to be deemed to
not have been satisfied so long as any such consequences or actions shall not have a Material Adverse Effect. For the avoidance of doubt,
any restatement of the financial statements of SPAC and any amendments to previously filed SEC reports or delays in filing SEC reports,
in connection with the Statement or any subsequent related agreements or other guidance from the SEC with respect to the Statement, shall
not be considered to result in a Material Adverse Effect.


 


4.                  
Further Assurances. At or prior to the Closing Date, the parties hereto shall execute and deliver or cause to be executed
and delivered such additional documents and take such additional actions as the parties reasonably may deem to be practical and necessary
in order to consummate the subscription as contemplated by this Subscription Agreement.


 


5.                  
SPAC Representations and Warranties. SPAC represents and warrants to the Investor that:


 






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a.                     SPAC is an exempted company duly incorporated, validly existing and in good standing under the laws of the Cayman Islands
(to the extent such concept exists in such jurisdiction). SPAC has all power (corporate or otherwise) and authority to own, lease and
operate its properties and conduct its business as presently conducted and to enter into, deliver and perform its obligations under this
Subscription Agreement. As of the Closing Date, following the Domestication, SPAC will be duly incorporated, validly existing as a corporation
and in good standing under the laws of the State of Delaware with all power (corporate or otherwise) and authority to own, lease and
operate its properties and conduct its business as proposed to be conducted and perform its obligations under this Subscription Agreement.


 


b.                     As of the Closing Date, the Shares will be duly authorized and, when issued and delivered to the Investor against full payment
therefor in accordance with the terms of this Subscription Agreement, the Shares will be validly issued, fully paid and non-assessable,
free and clear of any liens or other restrictions (other than those arising under applicable state or federal securities laws) and will
not have been issued in violation of or subject to any preemptive or similar rights created under SPAC’s certificate of incorporation
and bylaws (each as amended on the Closing Date) or under the General Corporation Law of the State of Delaware or the laws of the Cayman
Islands, as the case may be, or under any agreement or instrument to which SPAC is a party or by which SPAC is bound or otherwise.


 


c.                     Each of this Subscription Agreement, the Other Subscription Agreement and the Business Combination has been duly authorized,
executed and delivered by SPAC and, assuming that this Subscription Agreement constitutes the valid and binding agreement of the Investor,
this Subscription Agreement is a valid, legal and binding obligation of SPAC, enforceable against SPAC in accordance with its terms, except
as may be limited or otherwise affected by (i) bankruptcy, insolvency, fraudulent conveyance, reorganization, moratorium or other laws
relating to or affecting the rights of creditors generally, or (ii) principles of equity, whether considered at law or equity.


 


d.                     The execution, delivery and performance by SPAC of this Subscription Agreement and the Business Combination and the issuance
and sale of the Shares pursuant to this Subscription Agreement and the compliance by SPAC with all of the provisions of this Subscription
Agreement and the consummation of the transactions contemplated herein will not conflict with or result in a breach or violation of any
of the terms or provisions of, or constitute a default under, or result in the creation or imposition of any lien, charge or encumbrance
upon any of the property or assets of SPAC or any of its subsidiaries pursuant to the terms of (i) any indenture, mortgage, deed of trust,
loan agreement, lease, license or other agreement or instrument to which SPAC or any of its subsidiaries is a party or by which SPAC or
any of its subsidiaries is bound or to which any of the property or assets of SPAC or any of its subsidiaries is subject that would reasonably
be expected to have a Material Adverse Effect, or materially affect the validity of the Shares
or the legal authority of SPAC to timely comply in all material respects with the terms of this Subscription Agreement; (ii) result in
any violation of the provisions of the organizational documents of SPAC; or (iii) result in any violation of any statute or any judgment,
order, rule or regulation of any court or governmental agency or body, domestic or foreign, having jurisdiction over SPAC or any of its
properties that would reasonably be expected to have a Material Adverse Effect or materially affect the validity of the Shares or the
legal authority of SPAC to timely comply in all material respects with this Subscription Agreement.


 


e.                     SPAC is not in default or violation (and no event has occurred which, with notice or the lapse of time or both, would constitute
a default or violation) of any term, condition or provision of (i) the organizational documents of SPAC, (ii) any loan or credit agreement,
guarantee, note, bond, mortgage, indenture, lease or other agreement, permit, franchise or license to which, as of the date of this Subscription
Agreement, SPAC is a party or by which SPAC’s properties or assets are bound or (iii) any statute or any judgment, order, rule or
regulation of any court or governmental agency, taxing authority or regulatory body, domestic or foreign, having jurisdiction over SPAC
or any of its properties, except, in the case of clauses (ii) and (iii), for defaults or violations that have not had and would not reasonably
be expected to have, individually or in the aggregate, a Material Adverse Effect.


 


f.                      As
of their respective dates, all forms, reports, statements, schedules, prospectuses, proxies, registration statements or other
documents (the “SEC Reports”) required to be filed by SPAC with the U.S. Securities and Exchange Commission (the
 “SEC”) complied in all material respects with the applicable requirements of the Securities Act of 1933, as
amended (the “Securities Act”) and the Securities Exchange Act of 1934, as amended (the “Exchange
Act”), and the rules and regulations of the SEC promulgated thereunder, and none of the SEC Reports, when filed, contained
any untrue statement of a material fact or omitted to state a material fact required to be stated therein or necessary in order to
make the statements therein, in the light of the circumstances under which they were made, not misleading. The financial statements
of SPAC included in the SEC Reports comply in all material respects with applicable accounting requirements and the rules and
regulations of the SEC with respect thereto as in effect at the time of filing and fairly present in all material respects the
financial position of SPAC as of and for the dates thereof and the results of operations and cash flows for the periods then ended,
subject, in the case of unaudited statements, to normal, year-end audit adjustments. A copy of each SEC Report is available to the
Investor via the SEC’s EDGAR system. There are no outstanding or unresolved comments in comment letters received by SPAC from
the staff of the Division of Corporation Finance of the SEC with respect to any of the SEC Reports. Notwithstanding the foregoing,
no representation is being made with respect to the accounting treatment of the SPAC’s issued and outstanding Warrants (as
defined below) arising in connection with any required restatement of the SPAC’s historical financial statements, or as to any
deficiencies in disclosure (including with respect to financial statement presentation or accounting and disclosure controls)
arising from the treatment of such Warrants as equity rather than liabilities in light of the Statement.


 






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g.                     SPAC is not required to obtain any consent, waiver, authorization or order of, give any notice to, or make any filing or
registration with, any court or other federal, state, local or other governmental authority, self-regulatory organization or other person
in connection with the execution, delivery and performance by SPAC of this Subscription Agreement (including, without limitation, the
issuance of the Shares), other than (i) filings with the SEC, (ii) filings required by applicable state securities laws, (iii) filings
required by the Nasdaq, or such other applicable stock exchange on which SPAC’s common stock is then listed (the “Stock
Exchange”), (iv) filings required by the Combination Agreement as conditions to consummation of the Transaction, and (v) the
failure of which to obtain would not reasonably be expected to have, individually or in the aggregate, a Material Adverse Effect.


 


h.                     As of the date of this Subscription Agreement, the authorized capital stock of SPAC consists of 5,000,000 preference shares
(“Preferred Shares”), 500,000,000 Class A ordinary shares (“Class A Shares”), and 50,000,000 Class
B ordinary shares (the “Class B Shares”), each par value $0.0001 per share. As of the date of this Subscription Agreement,
(i) no Preferred Shares are issued and outstanding, (ii) 40,250,000 Class A Shares are issued and outstanding, (iii) 10,062,500 Class
B Shares are issued and outstanding and (iv) 13,416,667 redeemable warrants and 3,350,000 private placement warrants to acquire Class
A Shares (collectively, the “Warrants”) are outstanding. Following the Domestication, and immediately prior to the
closing of the Transaction (assuming that all shares to be issued pursuant to the Subscription Agreements have been issued and that no
holders of Class A Shares have validly elected to redeem their shares in connection with the closing of the Transaction), the authorized
capital stock of SPAC will consist of 100,000 shares of preferred stock, par value $0.0001 per share (“Delaware Preferred Shares”)
and 321,700,000 shares of common stock, par value $0.0001 per share (“Delaware Common Shares”), of which (1) no Delaware
Preferred Shares will be issued and outstanding, (2) a number of Delaware Common Shares will be issued and outstanding pursuant to the
Combination Agreement, subject in all respects to the assumptions referenced in such section, and (3) 13,416,632 redeemable warrants and
3,350,000 private placement warrants to acquire Delaware Common Shares will be outstanding. All (A) issued and outstanding Class A Shares
and Class B Shares have been duly authorized and validly issued, are fully paid and are non-assessable and (B) outstanding warrants have
been duly authorized and validly issued. Except as set forth above and pursuant to the Other Subscription Agreements, the Combination
Agreement and the other agreements and arrangements referred to therein or in the SEC Reports, there are no outstanding options, warrants
or other rights to subscribe for, purchase or acquire from SPAC any Class A Shares, Class B Shares or other equity interests in SPAC,
or securities convertible into or exchangeable or exercisable for such equity interests. There are no securities or instruments issued
by or to which SPAC is a party containing anti-dilution or similar provisions that will be triggered by the issuance of the Shares pursuant
to this Subscription Agreement or the Other Subscription Agreements that have not been or will not be waived on or prior to the Closing
Date. As of the date hereof, SPAC has no subsidiaries, other than Pioneer SPAC Merger Sub, and does not own, directly or indirectly, interests
or investments (whether equity or debt) in any person, whether incorporated or unincorporated. There are no stockholder agreements, voting
trusts or other agreements or understandings to which SPAC is a party or by which it is bound relating to the voting of any securities
of SPAC, other than (1) as set forth in the SEC Reports and (2) as contemplated by the Combination Agreement.


 


i.                      As
of the date hereof, the issued and outstanding Class A Shares are registered pursuant to Section 12(b) of the Exchange Act, and are
listed for trading on the Stock Exchange, and following the Domestication, the issued and outstanding Delaware Common Shares will be
registered pursuant to Section 12(b) of the Exchange Act and listed for trading on the Stock Exchange. Except as disclosed in
SPAC’s filings with the SEC, there is no suit, action, proceeding or investigation pending or, to the knowledge of SPAC,
threatened against the SPAC by the Stock Exchange or the SEC, respectively, to prohibit or terminate the listing of the Class A
Shares or, when issued, the Delaware Common Shares, or to deregister the Class A Shares or, when registered and issued in connection
with the Domestication, the Delaware Common Shares, under the Exchange Act. SPAC has taken no action that is designed to terminate
the registration of the Class A Shares under the Exchange Act, other than in connection with the Domestication and subsequent
registration under the Exchange Act of the Delaware Common Shares.


 






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j.                      Assuming the accuracy of the Investor’s representations and warranties set forth in Section 6 of this Subscription
Agreement, no registration under the Securities Act is required for the offer and sale of the Shares by SPAC to the Investor hereunder.
The Shares (i) were not offered by any form of general solicitation or general advertising and (ii) are not being offered in a manner
involving a public offering under, or in a distribution in violation of, the Securities Act, or any state securities laws.


 


k.                     Except
for such matters as have not had or would not reasonably be expected to have, individually or in the aggregate, a Material Adverse Effect,
there is no (i) action, suit, claim or other proceeding, in each case by or before any governmental authority pending, or, to the knowledge
of SPAC, threatened against SPAC or (ii) judgment, decree, injunction, ruling or order of any governmental entity or arbitrator outstanding
against SPAC.


 


l.                      SPAC is in compliance with all applicable laws, except where such non-compliance would not reasonably be expected to have
a Material Adverse Effect. The Company has not received any written communication from a governmental entity that alleges that the Company
is not in compliance with or is in default or violation of any applicable law, except where such non-compliance, default, or violation
would not be reasonably expected to have, individually or in the aggregate, a Material Adverse Effect. Notwithstanding the foregoing,
no representation is being made with respect to the accounting treatment of the SPAC’s issued and outstanding Warrants (as defined
below) arising in connection with any required restatement of the SPAC’s historical financial statements, or as to any deficiencies
in disclosure (including with respect to financial statement presentation or accounting and disclosure controls) arising from the treatment
of such Warrants as equity rather than liabilities in light of the Statement.


 


m.                    Other
than the Placement Agent (as defined below), SPAC has not engaged any broker, finder, commission agent, placement agent or arranger in
connection with the sale of the Shares, and SPAC is not under any obligation to pay any broker’s fee or commission in connection
with the sale of the Shares other than to the Placement Agent.


 


n.                     SPAC
is not, and immediately after receipt of payment for the Shares and prior to the closing of the Transaction, will not be, an “investment
company” within the meaning of the Investment Company Act of 1940, as amended.


 


o.                     Neither
SPAC nor any of its subsidiaries has taken any steps to seek protection pursuant to any law or statute relating to bankruptcy, insolvency,
reorganization, receivership, liquidation, administration or winding up or failed to pay its debts when due, nor does SPAC or any of
its subsidiaries have any knowledge or reason to believe that any of their respective creditors intend to initiate involuntary bankruptcy
proceedings or seek to commence an administration.


 


p.                     There
has been no action taken by SPAC, or, to the knowledge of SPAC, any officer, director, equityholder, manager, employee, agent or representative
of SPAC, in each case, acting on behalf of the SPAC, in violation of any applicable Anti-Corruption Laws (as herein defined), (i) SPAC
has not been convicted of violating any Anti-Corruption Laws or subjected to any investigation by a governmental authority for violation
of any applicable Anti-Corruption Laws, (ii) SPAC has not conducted or initiated any internal investigation or made a voluntary, directed,
or involuntary disclosure to any governmental authority regarding any alleged act or omission arising under or relating to any noncompliance
with any Anti-Corruption Laws and (iii) SPAC has not received any written notice or citation from a governmental authority for any actual
or potential noncompliance with any applicable Anti-Corruption Laws. As used herein, “Anti-Corruption Laws” means any applicable
laws relating to corruption and bribery, including the U.S. Foreign Corrupt Practices Act of 1977 (as amended), the UK Bribery Act 2010,
and any similar law that prohibits bribery or corruption.


 






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q.                     None
of SPAC nor any of its directors is (i) a person or entity named on the List of Specially Designated Nationals and Blocked Persons administered
by the U.S. Treasury Department’s Office of Foreign Assets Control (“OFAC”) or in any Executive Order issued
by the President of the United States and administered by OFAC (“OFAC List”), or a person or entity prohibited by
any OFAC sanctions program, (ii) owned, directly or indirectly, or controlled by, or acting on behalf of, one or more persons that are
named on the OFAC List; (iii) organized, incorporated, established, located, resident or born in, or a citizen, national or the government,
including any political subdivision, agency or instrumentality thereof, of, Cuba, Iran, North Korea, Syria, the Crimea region of Ukraine
or any other country or territory embargoed or subject to substantial trade restrictions by the United States, (iv) a Designated National
as defined in the Cuban Assets Control Regulations, 31 C.F.R. Part 515, or (v) a non-U.S. shell bank or providing banking services indirectly
to a non-U.S. shell bank. SPAC agrees to provide law enforcement agencies, if requested thereby, such records as required by applicable
law, provided that SPAC is permitted to do so under applicable law. To the extent required, it maintains policies and procedures reasonably
designed to ensure compliance with OFAC-administered sanctions programs, including for the screening of its investors against the OFAC
sanctions programs, including the OFAC List.


 


r.                      Other than the Other Subscription Agreements, the Combination Agreement and any other agreement expressly contemplated by
the Combination Agreement or described in the SEC Reports, SPAC has not entered into any side letter or similar agreement with any investor
in connection with such investor’s direct or indirect investment in SPAC (other than any side letter or similar agreement relating
to the transfer to any investor of (i) securities of SPAC by existing securityholders of SPAC, which may be effectuated as a forfeiture
to SPAC and reissuance, or (ii) securities to be issued to the direct or indirect securityholders of the Company pursuant to the Transaction
Agreement). The Other Subscription Agreements have not been amended in any material respect following the date of this Subscription Agreement,
and reflect the same Per Share Purchase Price and terms that are no more favorable to the Other Investor thereunder than the terms of
this Subscription Agreement.


 


s.                     SPAC
acknowledges and agrees that, notwithstanding anything herein to the contrary, the Shares may be pledged by Investor in connection with
a bona fide margin agreement, provided such pledge shall be (i) pursuant to an available exemption from the registration requirements
of the Securities Act or (ii) pursuant to, and in accordance with, a registration statement that is effective under the Securities Act
at the time of such pledge, and the Investor effecting a pledge of Shares shall not be required to provide SPAC with any notice thereof;
provided, however, that none of SPAC, the Company or their respective counsels shall be required to take any action (or refrain from
taking any action) in connection with any such pledge, other than providing any such lender of such margin agreement with an acknowledgment
that the Shares are not subject to any contractual prohibition on pledging or lock up, the form of such acknowledgment to be subject
to review and comment by SPAC in all respects.


 


6.                  
Investor Representations and Warranties. The Investor represents and warrants to SPAC that:


 


a.                     The
Investor, or each of the funds managed by or affiliated with the Investor for which the Investor is acting as nominee, as applicable,
(i) is a “qualified institutional buyer” (as defined in Rule 144A under the Securities Act), a “qualified purchaser”
(as defined in Section 2(a)(51) of the Investment Company Act) or an institutional “accredited investor” (within the meaning
of Rule 501(a) under the Securities Act), in each case, satisfying the applicable requirements set forth on Schedule A, (ii) is
acquiring the Shares only for his, her or its own account and not for the account of others, or if the Investor is subscribing for the
Shares as a fiduciary or agent for one or more investor accounts, each owner of such account is a “qualified institutional buyer”
(as defined in Rule 144A under the Securities Act) or “accredited investor” (within the meaning of Rule 501(a) under the
Securities Act), the Investor has full investment discretion with respect to each such account, and has the full power and authority
to make the acknowledgements, representations and agreements herein on behalf of each owner of each such account, and (iii) is not acquiring
the Shares with a view to, or for offer or sale in connection with, any distribution thereof in violation of the Securities Act (and
shall provide the requested information set forth on Schedule A) or any securities laws of the United States or any other jurisdiction.
The Investor is not an entity formed for the specific purpose of acquiring the Shares. The Investor further acknowledges that it is aware
that the sale to it is being made in reliance on a private placement exemption from registration under the Securities Act and is acquiring
the Shares for its own account or for an account over which it exercises sole discretion for another qualified institutional buyer or
accredited investor.


 






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b.                     The
Investor (i) is an institutional account as defined in FINRA Rule 4512(c), (ii) is a sophisticated investor, experienced in investing
in private equity transactions and capable of evaluating investment risks independently, both in general and with regard to all transactions
and investment strategies involving a security or securities and (iii) has exercised independent judgment in evaluating its participation
in the purchase of the Shares. Accordingly, the Investor understands that the offering meets (1) the exemptions from filing under FINRA
Rule 5123(b)(1)(A) and (2) the institutional customer exemption under FINRA Rule 2111(b).


 


c.                     The
Investor acknowledges and agrees that the Shares are being offered in a transaction not involving any public offering within the meaning
of the Securities Act and that the Shares have not been registered under the Securities Act or any other applicable securities laws.
The Investor acknowledges and agrees that the Shares are being offered for sale in a transaction not requiring registration under the
Securities Act, and that the Shares may not be offered, resold, transferred, pledged or otherwise disposed of by the Investor absent
an effective registration statement under the Securities Act, except pursuant to any exemption therefrom or in a transaction not subject
to such registration requirements. The Investor acknowledges and agrees that the Shares will be subject to the foregoing transfer restrictions
and, as a result of these transfer restrictions, the Investor may not be able to readily offer, resell, transfer, pledge or otherwise
dispose of the Shares and may be required to bear the financial risk of an investment in the Shares for an indefinite period of time.
The Investor acknowledges and agrees that the Shares will not be eligible for offer, resale, transfer, pledge or disposition pursuant
to Rule 144 promulgated under the Securities Act (“Rule 144”) until at least one year from the Closing Date. The Investor
acknowledges and agrees that it has been advised to consult legal counsel and tax and accounting advisors prior to making any offer,
resale, transfer, pledge or disposition of any of the Shares.


 


d.                     The
Investor acknowledges and agrees that the Investor is purchasing the Shares directly from SPAC. The Investor further acknowledges that
there have been no representations, warranties, covenants and agreements made to the Investor by or on behalf of SPAC, the Company, any
of their respective affiliates or any control persons, officers, directors, employees, partners, agents or representatives of any of
the foregoing or any other person or entity, expressly or by implication, other than those representations, warranties, covenants and
agreements of SPAC expressly set forth in Section 5 of this Subscription Agreement.


 


e.                     The
Investor’s acquisition and holding of the Shares will not constitute or result in a non-exempt prohibited transaction under Section
406 of the Employee Retirement Income Security Act of 1974, as amended, Section 4975 of the Internal Revenue Code of 1986, as amended,
or any applicable similar law.


 


f.                      The Investor acknowledges and agrees that the Investor has received such information as the Investor deems necessary in
order to make an investment decision with respect to the Shares, including, with respect to SPAC, the Transaction and the business of
the Company and its direct and indirect subsidiaries. Without limiting the generality of the foregoing, the Investor acknowledges that
he, she or it has reviewed the SEC Reports and other information as the Investor has deemed necessary to make an investment decision with
respect to the Shares. However, neither any such inquiries, nor any due diligence investigation conducted by the Investor or any of the
Investor’s professional advisors nor anything else contained herein, shall modify, limit, or otherwise affect the Investor’s
right to rely on SPAC’s representations, warranties, covenants, and agreements contained in this Subscription Agreement. The Investor
acknowledges and agrees that the Investor and the Investor’s professional advisor(s), if any, have had the full opportunity to ask
such questions, receive such answers and obtain such information as the Investor and such Investor’s professional advisor(s), if
any, have deemed necessary to make an investment decision with respect to the Shares.


 


g.                     The
Investor became aware of this offering of the Shares solely by means of direct contact between the Investor and SPAC, the Company or
a representative of SPAC or the Company, and the Shares were offered to the Investor solely by direct contact between the Investor and
SPAC, the Company or a representative of SPAC or the Company. The Investor did not become aware of this offering of the Shares, nor were
the Shares offered to the Investor, by any other means. The Investor acknowledges that the Shares (i) were not offered to it by any form
of general solicitation or general advertising and (ii) to its knowledge, are not being offered to it in a manner involving a public
offering under, or in a distribution in violation of, the Securities Act, or any state securities laws. The Investor acknowledges that
it is not relying upon, and has not relied upon, any statement, representation or warranty made by any person, firm or corporation (including,
without limitation, SPAC, the Company, the Placement Agent, any of their respective affiliates or any control persons, officers, directors,
employees, partners, agents or representatives of any of the foregoing), other than the representations and warranties of SPAC contained
in Section 5 of this Subscription Agreement, in making its investment or decision to invest in SPAC. The Investor acknowledges that certain
information provided to the Investor was based on projections, and such projections were prepared based on assumptions and estimates
that are inherently uncertain and are subject to a wide variety of significant business, economic and competitive risks and uncertainties
that could cause actual results to differ materially from those contained in the projections. The Investor acknowledges that such information
and projections were prepared without the participation of the Placement Agent and that the Placement Agent does not assume responsibility
for independent verification of, or the accuracy or completeness of, such information or projections.


 






    8 


     


    

 


h.                     The
Investor acknowledges that it is aware that there are substantial risks incident to the purchase and ownership of the Shares, including
those set forth in the SEC Reports. The Investor has such knowledge and experience in financial and business matters as to be capable
of evaluating the merits and risks of an investment in the Shares, and the Investor has sought such accounting, legal and tax advice
as the Investor has considered necessary to make an informed investment decision and the Investor has made its own assessment and has
satisfied itself concerning relevant tax and other economic considerations relative to its purchase of the Shares. The Investor will
not look to the Placement Agent for all or part of any such loss or losses the Investor may suffer, is able to sustain a complete loss
on its investment in the Shares.


 


i.                      Alone,
or together with any professional advisor(s), the Investor has adequately analyzed and fully considered the risks of an investment in
the Shares and determined that the Shares are a suitable investment for the Investor and that the Investor is able at this time and in
the foreseeable future to bear the economic risk of a total loss of the Investor’s investment in SPAC. The Investor acknowledges
specifically that a possibility of total loss exists.


 


j.                      In making its decision to purchase the Shares, the Investor has relied solely upon independent investigation made by the
Investor. Without limiting the generality of the foregoing, the Investor has not relied on any statements or other information provided
by or on behalf of the Placement Agent or any of its respective affiliates or any control persons, officers, directors, employees, partners,
agents or representatives of any of the foregoing concerning SPAC, the Company, the Transaction, the Combination Agreement, this Subscription
Agreement or the transactions contemplated hereby or thereby, the Shares or the offer and sale of the Shares.


 


k.                     The
Investor acknowledges that (i) SPAC, the Company and the Placement Agent currently may have, and later may come into possession of, information
regarding SPAC or the Company that is not known to the Investor and that may be material to a decision to enter into this transaction
to purchase the Shares (“Excluded Information”) and (ii) the Investor has determined to enter into this transaction
to purchase the Shares notwithstanding its lack of knowledge of the Excluded Information.


 


l.                      The Investor acknowledges that the Placement Agent: (i) has not provided the Investor with any information or advice with
respect to the Shares, (ii) has not made any representation, express or implied as to SPAC, the Company, the Company’s credit quality,
the Shares or the Investor’s purchase of the Shares, (iii) has not acted as the Investor’s financial advisor or fiduciary
in connection with the issue and purchase of Shares, (iv) may have acquired, or during the term of the Shares may acquire, non-public
information with respect to the Company, which, subject to the requirements of applicable law, the Investor agrees need not be provided
to it, and (v) may have existing or future business relationships with SPAC and the Company (including, but not limited to, lending, depository,
risk management, advisory and banking relationships) and will pursue actions and take steps that it deems or they deem necessary or appropriate
to protect its or their interests arising therefrom without regard to the consequences for a holder of Shares, and that certain of these
actions may have material and adverse consequences for a holder of Shares.


 


m.                    The
Investor acknowledges that it has not relied on the Placement Agent in connection with its determination as to the legality of its acquisition
of the Shares or as to the other matters referred to herein and the Investor has not relied on any investigation that the Placement Agent,
any of its affiliates or any person acting on their behalf have conducted with respect to the Shares, SPAC or the Company. The Investor
further acknowledges that it has not relied on any information contained in any research reports prepared by the Placement Agent or any
of its affiliates.


 


n.                     The
Investor acknowledges that no federal or state agency has passed upon or endorsed the merits of the offering of the Shares or made any
findings or determination as to the fairness of this investment.


 






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o.                     The
Investor, if not an individual, has been duly formed or incorporated and is validly existing and is in good standing under the laws of
its jurisdiction of formation or incorporation, with power and authority to enter into, deliver and perform its obligations under this
Subscription Agreement.


 


p.                     The
execution, delivery and performance by the Investor of this Subscription Agreement and the transactions contemplated herein are within
the powers of the Investor, have been duly authorized and will not constitute or result in a breach or default under or conflict with
any order, ruling or regulation of any court or other tribunal or of any governmental commission or agency, or any agreement or other
undertaking, to which the Investor is a party or by which the Investor is bound, and, if the Investor is not an individual, will not
violate any provisions of the Investor’s organizational documents, including, without limitation, its incorporation or formation
papers, bylaws, indenture of trust or partnership or operating agreement, as may be applicable. The signature on this Subscription Agreement
is genuine, and the signatory, if the Investor is an individual, has legal competence and capacity to execute the same or, if the Investor
is not an individual, the signatory has been duly authorized to execute the same, and, assuming that this Subscription Agreement constitutes
the valid and binding obligation of SPAC, this Subscription Agreement constitutes a legal, valid and binding obligation of the Investor,
enforceable against the Investor in accordance with its terms except as may be limited or otherwise affected by (i) bankruptcy, insolvency,
fraudulent conveyance, reorganization, moratorium or other laws relating to or affecting the rights of creditors generally, and (ii)
principles of equity, whether considered at law or equity.


 


q.                     The
Investor is not (i) a person or entity named on the List of Specially Designated Nationals and Blocked Persons administered by the U.S.
Treasury Department’s Office of Foreign Assets Control (“OFAC”) or
in any Executive Order issued by the President of the United States and administered by OFAC (“OFAC
List”), or a person or entity prohibited by any OFAC sanctions program, (ii) owned, directly or indirectly, or controlled
by, or acting on behalf of, one or more persons that are named on the OFAC List; (iii) organized, incorporated, established, located,
resident or born in, or a citizen, national or the government, including any political subdivision, agency or instrumentality thereof,
of, Cuba, Iran, North Korea, Syria, the Crimea region of Ukraine or any other country or territory embargoed or subject to substantial
trade restrictions by the United States, (iv) a Designated National as defined in the Cuban Assets Control Regulations, 31 C.F.R. Part
515, or (v) a non-U.S. shell bank or providing banking services indirectly to a non-U.S. shell bank (each, a “Prohibited
Investor”). The Investor agrees to provide law enforcement agencies, if requested thereby, such records as required
by applicable law, provided that the Investor is permitted to do so under applicable law. If the Investor is a financial institution
subject to the Bank Secrecy Act (31 U.S.C. Section 5311 et seq.) (the “BSA”),
as amended by the USA PATRIOT Act of 2001 (the “PATRIOT Act”), and its implementing
regulations (collectively, the “BSA/PATRIOT Act”), the Investor maintains
policies and procedures reasonably designed to comply with applicable obligations under the BSA/PATRIOT Act. To the extent required,
it maintains policies and procedures reasonably designed to ensure compliance with OFAC-administered sanctions programs, including for
the screening of its investors against the OFAC sanctions programs, including the OFAC List. To the extent required by applicable law,
the Investor maintains policies and procedures reasonably designed to ensure that the funds held by the Investor and used to purchase
the Shares were legally derived and were not obtained, directly or indirectly, from a Prohibited Investor.


 


r.                      No disclosure or offering document has been prepared by Citigroup Global Markets Inc. or any of its respective affiliates
(the “Placement Agent”) in connection with the offer and sale of the Shares.


 


s.                     Neither
Placement Agent, nor any of its respective affiliates nor any control persons, officers, directors, employees, partners, agents or representatives
of any of the foregoing have made any independent investigation with respect to SPAC, the Company or its subsidiaries or any of their
respective businesses, or the Shares or the accuracy, completeness or adequacy of any information supplied to the Investor by SPAC. The
Placement Agent has not made and does not make any representation as to SPAC, the Company or the quality or value of the Shares.


 


t.                      In
connection with the issue and purchase of the Shares, the Placement Agent has not acted as the Investor’s financial advisor or
fiduciary. In addition, the Investor acknowledges and agrees that the Placement Agents have not provided any recommendation or investment
advice nor have the Placement Agents solicited any action from it with respect to the offer and sale of the Shares and it has consulted
with its own legal, accounting, financial, regulatory and tax advisors to the extent deemed appropriate. The Investor further acknowledges
and agrees that, although the Placement Agents may choose to provide certain Regulation Best Interest and Form CRS disclosures or other
documentation to it in connection with the offer and sale of the Shares, the Placement Agents are not making a recommendation to participate
in the offer and sale of the Shares, or to enter into any purchase agreement or similar document, and nothing set forth in any such disclosure
or documents that may be provided to it from time to time is intended to suggest that the Placement Agents are making such a recommendation.


 






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u.                     The Investor has and, when required to deliver payment to SPAC pursuant
to Section 2 above, will have, sufficient funds to pay the Subscription Amount and consummate the purchase and sale of the Shares pursuant
to this Subscription Agreement.


 


v.                     The Investor acknowledges the SEC’s issuance of the Statement, and the SPAC’s
ongoing review of the implications of such statement, and the Investor agrees that any actions taken by SPAC as a result of such review
and in accordance with such statement shall not be deemed to constitute a breach of any of the representations, warranties or covenants
in this Subscription Agreement.


 


7.                  
Registration Rights.


 


a.                     In
the event that the Shares are not registered in connection with the consummation of the Transaction, SPAC agrees that, within thirty
(30) calendar days after the Closing Date, it will file with the SEC (at its sole cost and expense) a registration statement
registering the resale of the Shares (the “Registration Statement”), and it shall use its commercially reasonable
efforts to have the Registration Statement declared effective as soon as practicable after the filing thereof, but no later than the
earlier of (i) sixty (60) calendar days after the filing thereof (or ninety (90) calendar days after the filing thereof if the SEC
notifies SPAC that it will “review” the Registration Statement) following the Closing Date and (ii) ten (10) business
days after SPAC is notified (orally or in writing, whichever is earlier) by the SEC that the Registration Statement will not be
 “reviewed” or will not be subject to further review. SPAC’s obligations to include the Shares issued pursuant to
this Subscription Agreement (or shares issued in exchange therefor) for resale in the Registration Statement are contingent upon the
Investor furnishing in writing to SPAC such information regarding the Investor, the securities of SPAC held by the Investor and the
intended method of disposition of such Shares, which shall be limited to non-underwritten public offerings, as shall be reasonably
requested by SPAC to effect the registration of such Shares, and shall execute such documents in connection with such registration
as SPAC may reasonably request that are customary of a selling stockholder in similar situations. In connection with the foregoing,
Investor shall not be required to execute any lock-up or similar agreement or otherwise be subject to any contractual restriction on
the ability to transfer the Shares. SPAC agrees to cause such Registration Statement, or another shelf registration statement that
includes the Shares to be sold pursuant to this Subscription Agreement, to remain effective until the earliest of (i) the second
anniversary of the Closing, (ii) the date on which the Investor ceases to hold any Shares issued pursuant to this Subscription
Agreement, or (iii) on the first date on which the Investor is able to sell all of its Shares issued pursuant to this Subscription
Agreement (or shares received in exchange therefor) under Rule 144 within 90 days without the public information, volume or manner
of sale limitations of such rule (such date, the “End Date”). The Investor agrees to disclose its ownership to
SPAC upon request to assist it in making the determination with respect to Rule 144 described in clause (iii) above. In no event
shall the Investor be identified as a statutory underwriter in the Registration Statement unless in response to a comment or request
from the staff of the SEC or another regulatory agency; provided, that if the SEC requests that the Investor be identified as
a statutory underwriter in the Registration Statement, the Investor will have an opportunity to withdraw its Shares from the
Registration Statement. Notwithstanding the foregoing, if the SEC prevents SPAC from including any or all of the shares proposed to
be registered under the Registration Statement due to limitations on the use of Rule 415 of the Securities Act for the resale of the
Shares acquired hereunder by the applicable shareholders or otherwise, such Registration Statement shall register for resale such
number of Shares which is equal to the maximum number of Shares as is permitted by the SEC. In such event, the number of Shares to
be registered for each selling shareholder named in the Registration Statement shall be reduced pro rata among all such selling
shareholders and, as promptly as practicable after being permitted to register additional Shares under Rule 415 under the Securities
Act, SPAC shall amend the Registration Statement or file a new Registration Statement to register such additional Shares thereunder
and cause such amendment or Registration Statement to become effective as promptly as practicable. SPAC will provide a draft of the
Registration Statement to Investor at least two (2) business days in advance of the filing of the Registration Statement, provided
that in no event shall SPAC be required to delay or postpone such filing as a result of or in connection with Investor’s
review of such filing. In the case of the registration, qualification, exemption or compliance effected by SPAC pursuant to this
Subscription Agreement, SPAC shall, upon reasonable request, inform Investor as to the status of such registration, qualification,
exemption and compliance. SPAC shall, at its expense, prior to the End Date, (1) use commercially reasonable efforts to qualify the
Shares issued hereunder for listing on the Stock Exchange upon which the Shares have been listed, (2) use commercially reasonable
efforts to update or amend the Registration Statement as necessary to include the Shares, (3) use commercially reasonable efforts to
obtain the withdrawal of any order suspending the effectiveness of the Registration Statement as promptly as reasonably practicable
and to enable the undersigned to sell the Shares under the Registration Statement, and (4) use commercially reasonable efforts to
file all reports, and provide all customary and reasonable cooperation, necessary to enable the Investor to resell the Shares
pursuant to the Registration Statement.


 






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For as long as the Investor holds the Shares, SPAC will use
commercially reasonable efforts to file all reports, and provide all customary and reasonable cooperation, necessary to enable the Investor
to resell the Shares pursuant to Rule 144 of the Securities Act (when Rule 144 of the Securities Act becomes available to the Investor).
Notwithstanding anything to the contrary contained herein, SPAC may amend the Registration Statement so as to convert the Registration
Statement to a Registration Statement on Form S-3 at such time after SPAC becomes eligible to use such Form S-3. SPAC shall advise the
Investor as promptly as practicable: (A) when a Registration Statement or any post-effective amendment thereto has become effective; (B)
of the issuance by the SEC of any stop order suspending the effectiveness of the Registration Statement or the initiation of any proceedings
for such purpose; (C) of the receipt by SPAC of any notification with respect to the suspension of the qualification of the Shares included
therein for sale in any jurisdiction or the initiation or threatening of any proceeding for such purpose; and (D) subject to the applicable
provisions of this Section 7, of the occurrence of any event that requires the making of any changes in the Registration Statement or
prospectus so that, as of such date, the statements therein are not misleading and do not omit to state a material fact required to be
stated therein or necessary to make the statements therein (in the case of a prospectus, in the light of the circumstances under which
they were made) not misleading. Notwithstanding anything to the contrary set forth herein, SPAC shall not, when so advising Investor of
such events, provide Investor with any material, nonpublic information regarding SPAC other than to the extent that providing notice to
Investor of the occurrence of the events listed in (A) through (D) above may constitute material, nonpublic information regarding SPAC.
The Investor acknowledges and agrees that SPAC may suspend the use of any such registration statement if it determines, in good faith
upon advice of legal counsel, that in order for such registration statement not to contain a material misstatement or omission, an amendment
thereto would be needed to include information that would at that time not otherwise be required in a current, quarterly, or annual report
under the Exchange Act, provided, that, (i) SPAC shall not so delay filing or so suspend the use of the Registration Statement for a period
of more than sixty (60) consecutive days or more than a total of one hundred twenty (120) calendar days, in each case in any three hundred
sixty (360) day period and (ii) SPAC shall use commercially reasonable efforts to make such Registration Statement available for the sale
by the Investor of such securities as soon as practicable thereafter.


 


b.                  
In the case of the registration, qualification, exemption or compliance effected by SPAC pursuant to this Subscription Agreement,
SPAC shall, upon reasonable request, inform the Investor as to the status of such registration, qualification, exemption and compliance.
At its expense, SPAC shall, at its expense:


 


(i)           advise
the Investor as promptly as practicable (but within no later than 5 business days): (A) when a Registration Statement or any post-effective
amendment thereto has become effective; (B) of any request by the SEC for amendments or supplements to any Registration Statement or
the prospectus included therein or for additional information; (C) of the issuance by the SEC of any stop order suspending the effectiveness
of the Registration Statement or the initiation of any proceedings for such purpose; (D) of the receipt by SPAC of any notification with
respect to the suspension of the qualification of the Shares included therein for sale in any jurisdiction or the initiation or threatening
of any proceeding for such purpose; and (E) subject to the applicable provisions of this Section 7, of the occurrence of any event that
requires the making of any changes in the Registration Statement or prospectus so that, as of such date, the statements therein are not
misleading and do not omit to state a material fact required to be stated therein or necessary to make the statements therein (in the
case of a prospectus, in the light of the circumstances under which they were made) not misleading. Notwithstanding anything to the contrary
set forth herein, SPAC shall not, when so advising the Investor of such events, provide the Investor with any material, nonpublic information
regarding SPAC other than to the extent that providing notice to the Investor of the occurrence of the events listed in (A) through (D)
above constitutes material, nonpublic information regarding SPAC;


 






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(ii)          use its commercially reasonable efforts to obtain the withdrawal of any order suspending the effectiveness of the Registration
Statement as promptly as reasonably practicable and to enable the Investor to sell the Shares under the Registration Statement; and


 


(iii)         the occurrence of any event contemplated in Section 7(b)(i), except for such times as SPAC is permitted hereunder to suspend,
and has suspended, the use of a prospectus forming part of a Registration Statement, SPAC shall use its commercially reasonable efforts
to as promptly as reasonably practicable prepare a post-effective amendment to such Registration Statement or a supplement to the related
prospectus, or file any other required document so that, as thereafter delivered to purchasers of the Shares included therein, such prospectus
will not include any untrue statement of a material fact or omit to state any material fact necessary to make the statements therein,
in the light of the circumstances under which they were made, not misleading.


 


c.                   
Indemnification.


 


(i)           SPAC agrees to indemnify and hold harmless, to the extent permitted by law, the Investor, its directors, officers, employees,
advisers and agents, and each person who controls the Investor (within the meaning of the Securities Act or the Exchange Act) and each
affiliate of the Investor (within the meaning of Rule 405 under the Securities Act) from and against any and all out-of-pocket losses,
claims, damages, liabilities and expenses (including, without limitation, any reasonable and documented attorneys’ fees and expenses
incurred in connection with defending or investigating any such action or claim) caused by any untrue or alleged untrue statement of material
fact contained in any Registration Statement, prospectus included in any Registration Statement (“Prospectus”) or preliminary
Prospectus or any amendment thereof or supplement thereto or any omission or alleged omission of a material fact required to be stated
therein or necessary to make the statements therein not misleading, except insofar as the same are caused by or contained in any information
furnished in writing to SPAC by or on behalf of the Investor expressly for use therein.


 


(ii)          The Investor agrees, severally and not jointly with any other person that is a party to the Other Subscription Agreements,
to indemnify and hold harmless SPAC, its directors, officers, employees and agents and each person who controls SPAC (within the meaning
of the Securities Act) against any losses, claims, damages, liabilities and expenses (including, without limitation, reasonable attorneys’
fees) resulting from any untrue statement of material fact contained in the Registration Statement, Prospectus or preliminary Prospectus
or any amendment thereof or supplement thereto or any omission of a material fact required to be stated therein or necessary to make the
statements therein not misleading, but only to the extent that such untrue statement or omission is contained in any information or affidavit
so furnished in writing by or on behalf of the Investor expressly for use therein. In no event shall the liability of the Investor be
greater in amount than the dollar amount of the net proceeds received by such Investor upon the sale of the Shares purchased pursuant
to this Subscription Agreement giving rise to such indemnification obligation.


 


(iii)         Any
person entitled to indemnification herein shall (1) give prompt written notice to the indemnifying party of any claim with respect
to which it seeks indemnification (provided that the failure to give prompt notice shall not impair any person’s right to
indemnification hereunder to the extent such failure has not prejudiced the indemnifying party) and (2) permit such indemnifying
party to assume the defense of such claim with counsel reasonably satisfactory to the indemnified party. If such defense is assumed,
the indemnifying party shall not be subject to any liability for any settlement made by the indemnified party without its consent.
An indemnifying party who elects not to assume the defense of a claim shall not be obligated to pay the fees and expenses of more
than one counsel for all parties indemnified by such indemnifying party with respect to such claim, unless in the reasonable
judgment of legal counsel to any indemnified party a conflict of interest exists between such indemnified party and any other of
such indemnified parties with respect to such claim. No indemnifying party shall, without the consent of the indemnified party,
consent to the entry of any judgment or enter into any settlement which cannot be settled in all respects by the payment of money
(and such money is so paid by the indemnifying party pursuant to the terms of such settlement) or which settlement does not include
as an unconditional term thereof the giving by the claimant or plaintiff to such indemnified party of a release from all liability
in respect to such claim or litigation.


 






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(iv)         The indemnification provided for under this Subscription Agreement shall remain in full force and effect regardless of any
investigation made by or on behalf of the indemnified party or any officer, director, employee, agent, affiliate or controlling person
of such indemnified party and shall survive the transfer of the Shares purchased pursuant to this Subscription Agreement.


 


(v)          If the indemnification provided under this Section 7(c) from the indemnifying party is unavailable or insufficient to hold
harmless an indemnified party in respect of any losses, claims, damages, liabilities and expenses referred to herein, then the indemnifying
party, in lieu of indemnifying the indemnified party, shall contribute to the amount paid or payable by the indemnified party as a result
of such losses, claims, damages, liabilities and expenses in such proportion as is appropriate to reflect the relative fault of the indemnifying
party and the indemnified party, as well as any other relevant equitable considerations. The relative fault of the indemnifying party
and indemnified party shall be determined by reference to, among other things, whether any action in question, including any untrue or
alleged untrue statement of a material fact or omission or alleged omission to state a material fact, was made by, or relates to information
supplied by or on behalf of, such indemnifying party or indemnified party, and the indemnifying party’s and indemnified party’s
relative intent, knowledge, access to information and opportunity to correct or prevent such action. The amount paid or payable by a party
as a result of the losses or other liabilities referred to in Sections 7(c)(i), (ii) and (iii) above shall be deemed to include, subject
to the limitations set forth above, any legal or other fees, charges or expenses reasonably incurred by such party in connection with
any investigation or proceeding. No person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities
Act) shall be entitled to contribution pursuant to this Section 7(c)(v) from any person who was not guilty of such fraudulent misrepresentation.
Any contribution pursuant to this Section 7(c)(v) by any seller of Shares shall be limited in amount to the amount of net proceeds received
by such seller from the sale of such Shares pursuant to the Registration Statement. Notwithstanding anything to the contrary herein, in
no event will any party be liable for consequential, special, exemplary or punitive damages in connection with this Subscription Agreement.


 


d.                  
The SPAC shall, at its expense, use commercially reasonable efforts, if requested by Investor to (i) cause the removal of
restrictive legends from any Shares being sold under the Registration Statement or pursuant to Rule 144 at the time of sale of such Shares
and (ii) cause its legal counsel to deliver an opinion, if necessary, to the transfer agent in connection with the removal of such restrictive
legends, in each case, upon the receipt of customary representations and other documentation from the Investor that is necessary to establish
that restrictive legends are no longer required as reasonably requested by the SPAC, its counsel or the transfer agent. SPAC shall be
responsible for the fees of its transfer agent, its legal counsel and all DTC fees associated with such legend removal.


 


8.                   Termination.
This Subscription Agreement shall terminate and be void and of no further force and effect, and all rights and obligations of the
parties hereunder shall terminate without any further liability on the part of any party in respect thereof, upon the earlier to
occur of (a) such date and time as the Combination Agreement is terminated in accordance with its terms without being consummated,
(b) upon the mutual written agreement of each of the parties hereto to terminate this Subscription Agreement, (c) 30 days after the
Termination Date (as defined in the Combination Agreement as in effect on the date hereof), if the Closing has not occurred by such
date other than as a result of a breach of Investor’s obligations hereunder, or (d) if any of the conditions to Closing set
forth in Section 3 of this Subscription Agreement are (i) not satisfied or waived prior to the Closing or (ii) not capable of being
satisfied on the Closing and, in each case of (i) and (ii), as a result thereof, the transactions contemplated by this Subscription
Agreement will not be and are not consummated at the Closing (the termination events described in clauses (a)–(d) above,
collectively, the “Termination Events”); provided that nothing herein will relieve any party from
liability for any willful breach hereof prior to the time of termination, and each party will be entitled to any remedies at law or
in equity to recover losses, liabilities or damages arising from any such willful breach. SPAC shall notify the Investor in writing
of the termination of the Combination Agreement promptly after the termination of such agreement. Upon the occurrence of any
Termination Event, this Subscription Agreement shall be void and of no further effect and any monies paid by the Investor to SPAC in
connection herewith shall promptly (and in any event within one (1) business day) following the Termination Event be returned to the
Investor.


 






    14 


     


    

 


9.                  
Trust Account Waiver. The Investor acknowledges that SPAC is a blank check company with the powers and privileges to effect
a merger, asset acquisition, reorganization or similar business combination involving SPAC and one or more businesses or assets. The Investor
further acknowledges that, as described in SPAC’s prospectus relating to its initial public offering dated January 7, 2021 (the
 “IPO Prospectus”) available at www.sec.gov, substantially all of SPAC’s
assets consist of the cash proceeds of SPAC’s initial public offering and private placement of its securities, and substantially
all of those proceeds have been deposited in a trust account (the “Trust Account”)
for the benefit of SPAC, its public shareholders and the underwriters of SPAC’s initial public offering. Except with respect to
interest earned on the funds held in the Trust Account that may be released to SPAC to pay its tax obligations and to fund certain of
its working capital requirements, the cash in the Trust Account may be disbursed only for the purposes set forth in the IPO Prospectus.
For and in consideration of SPAC entering into this Subscription Agreement, the receipt and sufficiency of which are hereby acknowledged,
the Investor hereby irrevocably waives any and all right, title and interest, or any claim of any kind it has or may have in the future,
in or to any monies held in the Trust Account, and agrees not to seek recourse against the Trust Account as a result of, or arising out
of, this Subscription Agreement; provided, however, that nothing in this Section 9 shall be deemed to limit the Investor’s
right, title, interest or claim to any monies held in the Trust Account by virtue of its record or beneficial ownership of Shares currently
outstanding on the date hereof, pursuant to exercised redemption rights with respect to any such Shares, except to the extent that the
Investor has otherwise agreed in writing with SPAC to not exercise such redemption right.


 


10.                 
Miscellaneous.


 


a.                   
Neither this Subscription Agreement nor any rights that may accrue to the parties hereunder (other than the Shares acquired
hereunder, if any) may be transferred or assigned without the prior written consent of each of the other parties hereto; provided that
(i) this Subscription Agreement and any of the Investor’s rights and obligations hereunder may be assigned to an affiliate or any
fund or account managed by the same investment manager as the Investor or by an affiliate (as defined in Rule 12b-2 of the Exchange Act)
of such investment manager without the prior consent of SPAC and (ii) the Investor’s rights under Section 7 may be assigned to an
assignee or transferee of the Shares; provided further that prior to such assignment any such assignee shall agree in writing to be bound
by the terms hereof; provided, that no assignment pursuant to clause (i) of this Section 10 shall relieve the Investor of its obligations
hereunder.


 


b.                  
SPAC may request from the Investor such additional information as SPAC may deem necessary to register the resale of the
Shares and evaluate the eligibility of the Investor to acquire the Shares, and the Investor shall promptly provide such information as
may reasonably be requested to the extent readily available; provided, that, SPAC agrees to keep any such information provided by Investor
confidential except (i) as necessary to include in any registration statement SPAC is required to file hereunder, (ii) as required by
the federal securities law or pursuant to other routine proceedings of regulatory authorities or (iii) to the extent such disclosure is
required by law, at the request of the staff of the SEC or regulatory agency or under the regulations of any national securities exchange
on which SPAC’s securities are listed for trading. The Investor acknowledges and agrees that if it does not provide SPAC with such
requested information, SPAC may not be able to register the Investor’s Shares for resale pursuant to Section 7 hereof. The Investor
acknowledges that SPAC may file a copy of this Subscription Agreement (or a form of this Subscription Agreement) with the SEC as an exhibit
to a periodic report or a registration statement of SPAC.


 


c.                   
Each of the parties hereto acknowledges that the other party will rely on the acknowledgments, understandings, agreements,
representations and warranties contained in this Subscription Agreement. The Investor acknowledges that the Placement Agent will rely
on the acknowledgments, understandings, agreements, representations and warranties of the Investor contained in Sections 6, 10 and 11
of this Subscription Agreement, including Schedule A hereto. Prior to the Closing, the Investor agrees to promptly notify SPAC if any
of the acknowledgments, understandings, agreements, representations and warranties set forth in Section 6 are no longer accurate in any
material respect (other than those acknowledgments, understandings, agreements, representations and warranties qualified by materiality,
in which case the Investor shall notify SPAC if they are no longer accurate in any respect).


 






    15 


     


    

 


d.                    SPAC,
the Company and the Placement Agent are each entitled to rely upon this Subscription Agreement and each is irrevocably authorized to
produce this Subscription Agreement or a copy hereof to any interested party in any administrative or legal proceeding or official inquiry
with respect to the matters covered hereby; provided, however, that the foregoing clause of this Section 10(d) shall not
give the Company or the Placement Agent any rights other than those expressly set forth herein and, without limiting the generality of
the foregoing and for the avoidance of doubt, in no event shall the Company be entitled to rely on any of the representations and warranties
of SPAC or Investor set forth in this Subscription Agreement.


 


e.                    The Investor hereby acknowledges and agrees that it will not, nor will any person acting at the Investor’s direction
or pursuant to any understanding with Investor, directly or indirectly, offer, sell, pledge, contract to sell, sell any option in, or
engage in hedging activities or execute any “short sales” (as defined in Rule 200 of Regulation SHO under the Exchange Act)
with respect to, any Shares or any securities of SPAC or any instrument exchangeable for or convertible into any Shares or any securities
of SPAC until the consummation of the Transaction (or such earlier termination of this Subscription Agreement in accordance with its terms).
For the avoidance of doubt, this Section 10(e) shall not apply to (i) any sale (including the exercise of any redemption right) of securities
of SPAC (A) held by the Investor, its controlled affiliates or any person or entity acting on behalf of the Investor or any of its controlled
affiliates prior to the execution of this Subscription Agreement or (B) purchased by the Investor, its controlled affiliates or any person
or entity acting on behalf of the Investor or any of its controlled affiliates in open market transactions after the execution of this
Subscription Agreement or (ii) ordinary course, non-speculative hedging transactions so long as the sales or borrowings relating to such
hedging transactions are not settled with the Shares subscribed for hereunder and the number of securities sold in such transactions does
not exceed the number of securities owned or subscribed for at the time of such transactions. Notwithstanding the foregoing, (1) nothing
herein shall prohibit any entities under common management with the Investor that have no knowledge of this Subscription Agreement or
of the Investor’s participation in the transactions contemplated hereby (including the Investor’s controlled affiliates and/or
affiliates) from entering into any short sales, and (2) in the case of an Investor that is a multi-managed investment vehicle whereby
separate portfolio managers manage separate portions of such Investor’s assets and the portfolio managers have no knowledge of the
investment decisions made by the portfolio managers managing other portions of such Investor’s assets, this Section 10(e) shall
only apply with respect to the portion of assets managed by the portfolio manager that made the investment decision to purchase the Shares
covered by this Subscription Agreement.


 


f.                     All of the agreements, representations and warranties made by each party hereto in this Subscription Agreement shall survive
the Closing. For the avoidance of doubt, if for any reason the Closing does not occur prior to the consummation of the Transaction, all
representations, warranties, covenants and agreements of the parties hereunder shall survive the consummation of the Transaction and remain
in full force and effect.


 


g.                    This Subscription Agreement may not be amended, modified, waived or terminated (other than pursuant to the terms of Section
8 above) except by an instrument in writing, signed by each of the parties hereto, provided, however, that no modification or waiver by
SPAC of the provisions of this Subscription Agreement shall be effective without the prior written consent of the Company (other than
modifications or waivers that are solely ministerial in nature or otherwise immaterial and do not affect any economic or any other material
term of this Subscription Agreement). No failure or delay of any party in exercising any right or remedy hereunder shall operate as a
waiver thereof, nor shall any single or partial exercise of any such right or power, or any abandonment or discontinuance of steps to
enforce such right or power, or any course of conduct, preclude any other or further exercise thereof or the exercise of any other right
or power. The rights and remedies of the parties hereunder are cumulative and are not exclusive of any rights or remedies that they would
otherwise have hereunder.


 


h.                    This Subscription Agreement (including the schedule hereto) constitutes the entire agreement, and supersedes all other prior
agreements, understandings, representations and warranties, both written and oral, among the parties, with respect to the subject matter
hereof. Except as set forth in Section 7(b), Section 10(c), Section 10(d), this Section 10(h) and Section 11 with respect to the persons
specifically referenced therein, and Section 6 with respect to the Placement Agent, this Subscription Agreement shall not confer any rights
or remedies upon any person other than the parties hereto, and their respective successors and assigns, and the parties hereto acknowledge
that such persons so referenced are third party beneficiaries of this Subscription Agreement with right of enforcement for the purposes
of, and to the extent of, the rights granted to them, if any, pursuant to the applicable provisions.


 






    16 


     


    

 


i.                     Except as otherwise provided herein, this Subscription Agreement shall be binding upon, and inure to the benefit of the
parties hereto and their heirs, executors, administrators, successors, legal representatives, and permitted assigns, and the agreements,
representations, warranties, covenants and acknowledgments contained herein shall be deemed to be made by, and be binding upon, such heirs,
executors, administrators, successors, legal representatives and permitted assigns.


 


j.                     If any provision of this Subscription Agreement shall be adjudicated by a court of competent jurisdiction to be invalid,
illegal or unenforceable, the validity, legality or enforceability of the remaining provisions of this Subscription Agreement shall not
in any way be affected or impaired thereby and shall continue in full force and effect.


 


k.                    This Subscription Agreement may be executed in one or more counterparts (including by facsimile or electronic mail or in
..pdf) and by different parties in separate counterparts, with the same effect as if all parties hereto had signed the same document. All
counterparts so executed and delivered shall be construed together and shall constitute one and the same agreement. Counterparts may be
delivered via facsimile, electronic mail (including any electronic signature covered by the U.S. federal ESIGN Act of 2000, Uniform Electronic
Transactions Act, the Electronic Signatures and Records Act or other applicable law, e.g., www.docusign.com) or other transmission method
and any counterpart so delivered shall be deemed to have been duly and validly delivered and be valid and effective for all purposes.


 


l.                     The parties hereto acknowledge and agree that irreparable damage would occur in the event that any of the provisions of
this Subscription Agreement were not performed in accordance with their specific terms or were otherwise breached. It is accordingly agreed
that the parties shall be entitled to an injunction or injunctions to prevent breaches of this Subscription Agreement, without posting
a bond or undertaking and without proof of damages, to enforce specifically the terms and provisions of this Subscription Agreement, this
being in addition to any other remedy to which such party is entitled at law, in equity, in contract, in tort or otherwise. For the avoidance
of doubt, the Placement Agent is third party beneficiary with rights to enforce Section 5, Section 6, Section 10 and Section 11 hereof
on its own behalf and not, for the avoidance of doubt, on behalf of SPAC or the Company.


 


m.                    If any change in the number, type or classes of authorized shares of SPAC (including the Shares), other than as contemplated
by the Combination Agreement or any agreement contemplated by the Combination Agreement, shall occur between the date hereof and immediately
prior to the Closing by reason of reclassification, recapitalization, stock split (including reverse stock split) or combination, exchange
or readjustment of shares, or any stock dividend, the Per Share Purchase Price and number of Shares issued to the Investor shall be appropriately
adjusted to reflect such change.


 


n.                    This Subscription Agreement shall be governed by and construed in accordance with the laws of the State of New York (regardless
of the laws that might otherwise govern under applicable principles of conflicts of laws thereof) as to all matters (including any action,
suit, litigation, arbitration, mediation, claim, charge, complaint, inquiry, proceeding, hearing, audit, investigation or reviews by or
before any governmental entity related hereto), including matters of validity, construction, effect, performance and remedies.


 






    17 


     


    

 


o.                    Each
party hereto hereby, and any person asserting rights as a third party beneficiary may do so only if he, she or it, irrevocably
agrees that any action, suit or proceeding between or among the parties hereto, whether arising in contract, tort or otherwise,
arising in connection with any disagreement, dispute, controversy or claim arising out of or relating to this Subscription Agreement
or any related document or any of the transactions contemplated hereby or thereby (“Legal Dispute”) shall be
brought only to the exclusive jurisdiction of the United States District Court for the Southern District of New York and the Supreme
Court of the State of New York, and each party hereto hereby consents to the jurisdiction of such courts (and of the appropriate
appellate courts therefrom) in any such suit, action or proceeding and irrevocably waives, to the fullest extent permitted by law,
any objection that it may now or hereafter have to the laying of the venue of any such suit, action or proceeding in any such court
or that any such suit, action or proceeding that is brought in any such court has been brought in an inconvenient forum. During the
period a Legal Dispute that is filed in accordance with this Section 10(o) is pending before a court, all actions, suits or
proceedings with respect to such Legal Dispute or any other Legal Dispute, including any counterclaim, cross-claim or interpleader,
shall be subject to the exclusive jurisdiction of such court. Each party hereto and any person asserting rights as a third party
beneficiary may do so only if he, she or it hereby waives, and shall not assert as a defense in any Legal Dispute, that
(a) such party is not personally subject to the jurisdiction of the above named courts for any reason, (b) such action,
suit or proceeding may not be brought or is not maintainable in such court, (c) such party’s property is exempt or immune
from execution, (d) such action, suit or proceeding is brought in an inconvenient forum, or (e) the venue of such action,
suit or proceeding is improper. A final judgment in any action, suit or proceeding described in this Section 10(o) following the
expiration of any period permitted for appeal and subject to any stay during appeal shall be conclusive and may be enforced in other
jurisdictions by suit on the judgment or in any other manner provided by applicable laws. EACH OF THE PARTIES HERETO AND ANY PERSON
ASSERTING RIGHTS AS A THIRD PARTY BENEFICIARY MAY DO SO ONLY IF HE, SHE OR IT IRREVOCABLY AND UNCONDITIONALLY WAIVES ANY RIGHT TO
TRIAL BY JURY ON ANY CLAIMS OR COUNTERCLAIMS ASSERTED IN ANY LEGAL DISPUTE RELATING TO THIS SUBSCRIPTION AGREEMENT OR THE
TRANSACTIONS CONTEMPLATED HEREBY AND FOR ANY COUNTERCLAIM RELATING THERETO. IF THE SUBJECT MATTER OF ANY SUCH LEGAL DISPUTE IS ONE
IN WHICH THE WAIVER OF JURY TRIAL IS PROHIBITED, NO PARTY HERETO NOR ANY PERSON ASSERTING RIGHTS AS A THIRD PARTY BENEFICIARY SHALL
ASSERT IN SUCH LEGAL DISPUTE A NONCOMPULSORY COUNTERCLAIM ARISING OUT OF OR RELATING TO THIS SUBSCRIPTION AGREEMENT OR THE
TRANSACTIONS CONTEMPLATED HEREBY. FURTHERMORE, NO PARTY HERETO NOR ANY PERSON ASSERTING RIGHTS AS A THIRD PARTY BENEFICIARY SHALL
SEEK TO CONSOLIDATE ANY SUCH LEGAL DISPUTE WITH A SEPARATE ACTION OR OTHER LEGAL PROCEEDING IN WHICH A JURY TRIAL CANNOT BE
WAIVED.


 


p.                    Any notice or communication required or permitted hereunder to be given to a party hereunder shall be in writing and either
delivered personally, emailed or sent by overnight mail via a reputable overnight carrier, or sent by certified or registered mail, postage
prepaid, to such address(es) or email address(es) set forth on the signature page hereto, and shall be deemed to be given and received
(i) when so delivered personally, (ii) when sent, with no mail undeliverable or other rejection notice, if sent by email, or (iii) three
(3) business days after the date of mailing to the address below or to such other address or addresses as a party may hereafter designate
by notice to the other party pursuant to this Section 10(p).


 


11.               
Non-Reliance and Exculpation. The Investor acknowledges that it is not relying upon, and has not relied upon, any statement,
representation or warranty made by any person, firm or corporation (including, without limitation, the
Placement Agent, any of its respective affiliates or any control persons, officers, directors, employees, partners, agents or representatives
of any of the foregoing), other than the statements, representations and warranties of SPAC expressly contained in Section 5 of this Subscription
Agreement, in making its investment or decision to invest in SPAC. The Investor acknowledges and agrees that none of (i) any other investor
pursuant to this Subscription Agreement or any other subscription agreement related to the private placement of the Shares (including
the investor’s respective affiliates or any control persons, officers, directors, employees, partners, agents or representatives
of any of the foregoing), (ii) the Placement Agent, its respective affiliates or any control persons,
officers, directors, employees, partners, agents or representatives of any of the foregoing, or (iii) any Non-Party Affiliate or
any party to the Combination Agreement (other than SPAC), shall have any liability to the Investor pursuant to, arising out of or relating
to this Subscription Agreement, the negotiation hereof or its subject matter, or the transactions contemplated hereby, including, without
limitation, with respect to any action heretofore or hereafter taken or omitted to be taken by any of them in connection with the purchase
of the Shares or with respect to any claim (whether in tort, contract, under federal or state securities laws or otherwise) for breach
of this Subscription Agreement or in respect of any written or oral representations made or alleged to be made in connection herewith,
as expressly provided herein, or for any actual or alleged inaccuracies, misstatements or omissions with respect to any information or
materials of any kind furnished by SPAC, the Company, the Placement Agent or any Non-Party Affiliate concerning SPAC, the Company, the
Placement Agent, any of their controlled affiliates, this Subscription Agreement or the transactions contemplated hereby. For purposes
of this Subscription Agreement, “Non-Party Affiliates” means each former, current or future officer, director, employee, partner,
member, manager, direct or indirect equityholder or affiliate of SPAC, the Company, the Placement Agent or any of SPAC’s, the Company’s
or the Placement Agent’s controlled affiliates or any family member of the foregoing.


 






    18 


     


    

 


12.                 Disclosure.
SPAC shall, by 9:00 a.m., New York City time, on the first (1st) business day immediately following the date of this Subscription
Agreement, issue one or more press releases or file with the SEC a Current Report on Form 8-K (collectively, the
 “Disclosure Document”) disclosing all material terms of the transactions contemplated hereby and by the Other
Subscription Agreements, the Transaction and any other material, nonpublic information that SPAC has provided to the Investor
at any time prior to the filing of the Disclosure Document. Upon the issuance of the Disclosure Document, to the knowledge of SPAC,
the Investor shall not be in possession of any material, non-public information received from SPAC or any of its officers,
directors, or employees or agents, and the Investor shall no longer be subject to any confidentiality or similar obligations under
any current agreement, whether written or oral, with SPAC, the Placement Agent or any of their affiliates, relating to the
transactions contemplated by this Subscription Agreement. Notwithstanding anything in this Subscription Agreement to the contrary,
SPAC shall not publicly disclose the name of the Investor or any of its affiliates or advisers, or include the name of the Investor
or any of its affiliates or advisers without the prior written consent of the Investor (i) in any press release or marketing
materials or (ii) in any filing with the SEC or any regulatory agency or trading market, except as required by the federal
securities law or pursuant to other routine proceedings of regulatory authorities, or to the extent such disclosure is required by
law, at the request of the staff of the SEC or regulatory agency or under the regulations of any national securities exchange on
which SPAC’s securities are listed for trading, in which case SPAC shall provide Investor with prior written notice of such
disclosure permitted under this clause (ii).


 


13.                 
Separate Obligations. The obligations of Investor under this Subscription Agreement are several and not joint with the obligations
of any Other Investor under the Other Subscription Agreements, and Investor shall not be responsible in any way for the performance of
the obligations of any Other Investor under the Other Subscription Agreements. The decision of Investor to purchase the Shares pursuant
to this Subscription Agreement has been made by Investor independently of any Other Investor and independently of any information, materials,
statements or opinions as to the business, affairs, operations, assets, properties, liabilities, results of operations, condition (financial
or otherwise) or prospects of SPAC, and neither Investor nor any of its agents or employees shall have any liability to any Other Investor
(or any other person) relating to or arising from any such information, materials, statements or opinions. Nothing contained herein or
in any Other Subscription Agreement, and no action taken by Investor, shall be deemed to constitute Investor or any Other Investor under
the Other Subscription Agreements as a partnership, an association, a joint venture or any other kind of entity, or create a presumption
that Investor or any Other Investors are in any way acting in concert or as a group with respect to such obligations or the transactions
contemplated by the this Subscription Agreement and the Other Subscription Agreements. Investor acknowledges that no Other Investor has
acted as agent for Investor in connection with making its investment hereunder and no Other Investor will be acting as agent of Investor
in connection with monitoring its investment in the Shares or enforcing its rights under this Subscription Agreement. Investor shall be
entitled to independently protect and enforce its rights, including without limitation the rights arising out of this Subscription Agreement,
and it shall not be necessary for any Other Investor to be joined as an additional party in any proceeding for such purpose.


 


[SIGNATURE PAGES
FOLLOW]


 






    19 


     


    

 


IN WITNESS WHEREOF,
the Investor has executed or caused this Subscription Agreement to be executed by its duly authorized representative as of the date set
forth below.


 


	Name of Investor:	 	State/Country of Formation or Domicile:
	 	 	 
	By:  	 	 	 
	Name:  	 	 	 
	Title:  	 	 	 
	 	 	 
	Name in which Shares are to be registered (if different):	 	Date: May 26, 2021
	 	 	 
	Investor’s EIN:	 	 
	 	 	 
	Business Address-Street:	 	Mailing Address-Street (if different):
	 	 	 
	City, State, Zip:	 	City, State, Zip:
	 	 	 
	Attn:  	 	 	Attn:  	 
	 	 	 
	Telephone No.:	 	Telephone No.:
	Facsimile No.:    	 	Facsimile No.:
	 	 	 
	Email: 	 	 
	 	 	 
	Number of Shares subscribed for:	 	 
	 	 	 
	Aggregate Subscription Amount: $	 	Price Per Share: $10.00




 


You must pay the Subscription
Amount by wire transfer of United States dollars in immediately available funds to the account specified by SPAC in the Closing Notice.


 






     


     


    

 


IN WITNESS WHEREOF, SPAC has
accepted this Subscription Agreement as of the date set forth below.


 


	 	PIONEER MERGER CORP.
	 	 
	 	By:	 
	 	Name:	 
	 	Title:	 
	 	 	 
	 	[add address for purposes of notice]



 


Date:      May 26, 2021


 






     


     


    

 


SCHEDULE A


 





ELIGIBILITY REPRESENTATIONS
OF THE INVESTOR


 


	A.	QUALIFIED INSTITUTIONAL BUYER STATUS
	 	(Please check the applicable subparagraphs):



 

 ̈  We
are a “qualified institutional buyer” (as defined in Rule 144A under the Securities Act (a “QIB”)).


 


** OR **


 


	B.	INSTITUTIONAL ACCREDITED INVESTOR STATUS
	 	(Please check the applicable subparagraphs):


 


	 	1.	 ̈  We are an “accredited investor” (within the meaning of Rule 501(a) under the Securities Act or an entity in which all of the equity holders are accredited investors within the meaning of Rule 501(a) under the Securities Act), and have marked and initialed the appropriate box on the following page indicating the provision under which we qualify as an “accredited investor.”


 


		2.	 ̈  We are not a natural person.



 





Rule 501(a) under the Securities Act, in relevant
part, states that an “accredited investor” shall mean any person who comes within any of the below listed categories, or who
the issuer reasonably believes comes within any of the below listed categories, at the time of the sale of the securities to that person.
The Investor has indicated, by marking and initialing the appropriate box below, the provision(s) below which apply to the Investor and
under which the Investor accordingly qualifies as an “accredited investor.”


 


 ̈  Any
bank, registered broker or dealer, insurance company, registered investment company, business development company, or small business investment
company;


 


 ̈  Any
plan established and maintained by a state, its political subdivisions, or any agency or instrumentality of a state or its political subdivisions
for the benefit of its employees, if such plan has total assets in excess of $5,000,000;


 


 ̈  Any
employee benefit plan, within the meaning of the Employee Retirement Income Security Act of 1974, if a bank, insurance company, or registered
investment adviser makes the investment decisions, or if the plan has total assets in excess of $5,000,000;


 


 ̈  Any
organization described in Section 501(c)(3) of the Internal Revenue Code, corporation, similar business trust, or partnership, not
formed for the specific purpose of acquiring the securities offered, with total assets in excess of $5,000,000;


 


 ̈  Any
trust with assets in excess of $5,000,000, not formed to acquire the securities offered, whose purchase is directed by a sophisticated
person; or


 


 ̈  Any
entity in which all of the equity owners are accredited investors meeting one or more of the above tests.


 


 ** OR **


	
     

    C.
	
     

    QUALIFIED PURCHASER STATUS

	 	
    (Please check the applicable subparagraphs):

     

    FOR INDIVIDUALS: 




 






     


     


    

 


	 	1.	 ̈  A natural person who owns not less than U.S.$5,000,000 in investments.  For this purpose, investments owned by the Investor include all investments that are the Investor’s separate property and any investments held jointly with the Investor’s spouse, as community property or otherwise, but do not include investments that are the separate property of the Investor’s spouse unless the interest will be a joint investment of the Investor and the Investor’s spouse.


 


		2.	☐  A natural person who has discretionary investment authority with regard to at least U.S.$25,000,000 of investments, including for this purpose solely the Investor’s own investments and investments of third parties that are themselves accurately described by one or more paragraphs of this Section C.



 


 


	 	
    (Please check the applicable subparagraphs):

     

    FOR ENTITIES:

     



 


	 	3.	 ̈  A corporation, partnership, limited liability company, trust or other organization that:  (i)was not organized or reorganized and is not operated for the specific purpose of acquiring the interest or any other interest in SPAC, and less than 40% of the assets of which will consist of interests in SPAC (calculated as of the time of the Investor’s execution of this Subscription Agreement); (ii)owns not less than U.S.$5,000,000 in investments; and (iii)is owned directly or indirectly solely by or for two or more natural persons who are related as siblings or spouses (including former spouses), or direct lineal descendants by birth or adoption, spouses of such persons, the estates of such persons, or foundations, charitable organizations, or trusts established by or for the benefit of such persons.


 


		4.	 ̈  A trust:  (i) that is not described in paragraph (3) of this Section C; (ii) that was not organized or reorganized and is not operated for the specific purpose of acquiring the interest or any other interest in SPAC, and less than 40% of the assets of which will consist of interests in SPAC (calculated as of the time of the Investor’s execution of this Subscription Agreement); and (iii) with respect to which each of the settlors and other contributors of assets, trustees, and other authorized decision makers is a person described in paragraph (1), (2), (3) or (4) of this Section C.



 


	 	
    

    5.
	
    

     ̈  An
entity that:  (i) was not organized or reorganized and is not operated for the specific purpose of acquiring the interest or any
other interest in SPAC, and less than 40% of the assets of which will consist of interests in SPAC (calculated as of the time of the
Investor’s execution of this Subscription Agreement); and (ii) has discretionary investment authority with regard to at least U.S.$25,000,000
of investments, whether for its own account or for the account of other persons that are themselves accurately described by one or more
other paragraphs of this Section C.



 


		6. 	 ̈  An
    entity, each and every beneficial owner of which is a person accurately described by one or more of the foregoing paragraphs of this Section
    C or is itself an entity each and every beneficial owner of which is a person accurately described by one or more of the foregoing paragraphs
    of this Section C. If the Investor is a qualified purchaser solely for the reason described in this paragraph 6, the Investor
    shall, at the request of the SPAC, submit to SPAC a separate qualified purchaser questionnaire for each beneficial owner of the Investor’s
    securities.



 


This page should
be completed by the Investor


and constitutes
a part of the Subscription Agreement.