Document:

Exhibit 10.7

 

THRIVE ACQUISITION CORPORATION

 

PO Box 309, Ugland House

Grand Cayman, KY1-1104, Cayman Islands

 

	Thrive Acquisition Sponsor LLC	May 5, 2021

PO Box 309, Ugland House

Grand Cayman, KY1-1104, Cayman Islands

 

RE: Securities Subscription Agreement

 

Ladies and Gentlemen:

 

Thrive Acquisition Corporation,
a Cayman Islands exempted company (the “Company”), is pleased to accept the offer Thrive Acquisition Sponsor LLC, a
Cayman Islands limited liability company (the “Subscriber” or “you”), has made to subscribe for
5,750,000 Class B ordinary shares (the “Shares”), $0.0001 par value per share, of the Company (the “Class
B Shares”), up to 750,000 of which are subject to surrender and cancellation by you if the underwriters of the Company’s
initial public offering of its securities (“IPO”), if any, do not fully exercise their over-allotment option (the “Over-allotment
Option”). For the purposes of this agreement (this “Agreement”), references to “Ordinary Shares”
are to, collectively, the Class B Shares and the Company’s Class A ordinary shares, $0.0001 par value per share (the “Class
A Shares”). Upon certain terms and conditions, the Class B Shares will automatically convert into Class A Shares on a one-for-one
basis, subject to adjustment. Unless the context otherwise requires, as used herein “Shares” shall be deemed to include
any Class A Shares issued upon conversion of the Class B Shares comprising the Shares. The terms on which the Company is willing to issue
the Shares to the Subscriber, and the Company and the Subscriber’s agreements regarding such Shares, are as follows:

 

 1. Subscription of Shares.

 

For the sum of $25,000, which
the Company acknowledges receiving in cash, the Company hereby issues the Shares to the Subscriber, and the Subscriber hereby subscribes
for and purchases the Shares from the Company, which are subject to surrender and cancellation, on the terms and subject to the conditions
set forth in this Agreement. Concurrently with the Subscriber’s execution of this Agreement, the Company shall effect the delivery
of the Shares in book-entry form. For the avoidance of doubt, all references in this Agreement to Shares being surrendered and cancelled
shall take effect as surrenders and cancellations for no consideration of such Shares as a matter of Cayman Islands law.

 

 2. Representations, Warranties and Agreements.

 

2.1 Subscriber’s
Representations, Warranties and Agreements. To induce the Company to issue the Shares to the Subscriber, the Subscriber hereby represents
and warrants to the Company and agrees with the Company as follows:

 

2.1.1 No Government Recommendation
or Approval. The Subscriber understands that no federal or state agency has passed upon or made any recommendation or endorsement
of the offering of the Shares.

 

     

     

    

 

2.1.2 No Conflicts.
The execution, delivery and performance of this Agreement and the consummation by the Subscriber of the transactions contemplated
hereby do not violate, conflict with or constitute a default under (i) the formation and governing documents of the Subscriber, (ii)
any agreement, indenture or instrument to which the Subscriber is a party or (iii) any law, statute, rule or regulation to
which the Subscriber is subject, or any agreement, order, judgment or decree to which the Subscriber is subject.

 

2.1.3 Formation, Registration
and Authority. The Subscriber is a Cayman Islands limited liability company, validly existing and in good standing under the laws
of the Cayman Islands and possesses all requisite power and authority necessary to carry out the transactions contemplated by this Agreement.
Upon execution and delivery by you, this Agreement is a legal, valid and binding agreement of the Subscriber, enforceable against the
Subscriber in accordance with its terms, except as such enforceability may be limited by applicable bankruptcy, insolvency, fraudulent
conveyance or similar laws affecting the enforcement of creditors’ rights generally and subject to general principles of equity
(regardless of whether enforcement is sought in a proceeding at law or in equity).

 

2.1.4 Experience, Financial Capability and Suitability. The Subscriber is
(i) sophisticated in financial matters and is able to evaluate the risks and benefits of the investment in the Shares and (ii)
able to bear the economic risk of its investment in the Shares for an indefinite period of time because the Shares have not been
registered under the Securities Act (as defined below) and therefore cannot be sold unless such transaction is registered under the
Securities Act or an exemption from such registration is available. The Subscriber is capable of evaluating the merits and risks of
its investment in the Company and has the capacity to protect its own interests. The Subscriber must bear the economic risk of this
investment until the Shares are sold pursuant to (i) an effective registration statement under the Securities Act or (ii) an
exemption from registration available with respect to such sale. The Subscriber is able to bear the economic risks of an investment
in the Shares and to afford a complete loss of the Subscriber’s investment in the Shares.

 

2.1.5 Access to Information;
Independent Investigation. Prior to the execution of this Agreement, the Subscriber has had the opportunity to ask questions of and
receive answers from representatives of the Company concerning an investment in the Company, as well as the finances, operations, business
and prospects of the Company, and the opportunity to obtain additional information to verify the accuracy of all information so obtained.
In determining whether to make this investment, the Subscriber has relied solely on the Subscriber’s own knowledge and understanding
of the Company and its business based upon the Subscriber’s own due diligence investigation and the information furnished pursuant
to this paragraph. The Subscriber understands that no person has been authorized to give any information or to make any representations
which were not furnished pursuant to this Section 2, and the Subscriber has not relied on any other representations or information in
making its investment decision, whether written or oral, relating to the Company, its operations and/or its prospects.

 

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2.1.6 Private Placement.
The Subscriber represents that it is an “accredited investor” as such term is defined in Rule 501(a) of Regulation D under
the Securities Act of 1933, as amended (the “Securities Act”), and acknowledges the sale contemplated hereby is being
made in reliance on a private placement exemption applicable to “accredited investors” within the meaning of Rule 501(a) of
Regulation D under the Securities Act or similar exemptions under state law.

 

2.1.7 Investment Purposes.
The Subscriber is purchasing and subscribing for the Shares solely for investment purposes, for the Subscriber’s own account and
not for the account or benefit of any other person, and not with a view towards the distribution or dissemination thereof. The Subscriber
did not decide to enter into this Agreement as a result of any general solicitation or general advertising within the meaning of Rule
502 of Regulation D under the Securities Act.

 

2.1.8 Restrictions on Transfer;
Shell Company. The Subscriber understands the Shares are being offered in a transaction not involving a public offering within the
meaning of the Securities Act. The Subscriber understands the Shares will be “restricted securities” within the meaning of
Rule 144(a)(3) under the Securities Act, and the Subscriber understands that the book-entries representing the Shares will contain a legend
or notation in respect of such restrictions. If in the future the Subscriber decides to offer, resell, pledge or otherwise transfer the
Shares, such Shares may be offered, resold, pledged or otherwise transferred only pursuant to (i) registration under the Securities Act
or (ii) an available exemption from registration. The Subscriber agrees that if any transfer of its Shares or any interest therein is
proposed to be made, as a condition precedent to any such transfer, the Subscriber may, at the Company’s option, be required to
deliver to the Company an opinion of counsel satisfactory to the Company. Absent registration or an exemption, the Subscriber agrees not
to resell the Shares. The Subscriber further acknowledges that because the Company is a shell company, Rule 144 may not be available to
the Subscriber for the resale of the Shares until at least one year following consummation of the initial business combination of the
Company (which may not occur), despite technical compliance with the requirements of Rule 144 and the release or waiver of any contractual
transfer restrictions.

 

2.1.9 No Governmental Consents.
No governmental, administrative or other third party consents or approvals are required or necessary on the part of the Subscriber in
connection with the transactions contemplated by this Agreement.

 

2.2 Company’s Representations,
Warranties and Agreements. To induce the Subscriber to purchase the Shares, the Company hereby represents and warrants to the Subscriber
and agrees with the Subscriber as follows:

 

2.2.1 Incorporation and
Corporate Power. The Company is a Cayman Islands exempted company and is qualified to do business in every jurisdiction in which
the failure to so qualify would reasonably be expected to have a material adverse effect on the financial condition, operating results
or assets of the Company. The Company possesses all requisite corporate power and authority necessary to carry out the transactions contemplated
by this Agreement. Upon execution and delivery by the Company, this Agreement is a legal, valid and binding agreement of the Company,
enforceable against the Company in accordance with its terms, except as such enforceability may be limited by applicable bankruptcy,
insolvency, fraudulent conveyance or similar laws affecting the enforcement of creditors’ rights generally and subject to general
principles of equity (regardless of whether enforcement is sought in a proceeding at law or in equity).

 

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2.2.2 No Conflicts. The
execution, delivery and performance of this Agreement and the consummation by the Company of the transactions contemplated hereby do not
violate, conflict with or constitute a default under (i) the Company’s memorandum and articles of association, as amended to the
date hereof (collectively, the “Organizational Documents”), (ii) any agreement, indenture or instrument to which the
Company is a party or (iii) any law, statute, rule or regulation to which the Company is subject, or any agreement, order, judgment or
decree to which the Company is subject.

 

2.2.3 Title to Shares.
Upon issuance in accordance with, and payment pursuant to, the terms hereof and the Organizational Documents and upon registration in
the Company's register of members, the Shares will be duly and validly issued as fully paid and non-assessable. Upon issuance in accordance
with, and payment pursuant to, the terms hereof and the Organizational Documents, and upon registration in the Company's register of members,
the Subscriber will have or receive good title to the Shares, free and clear of all liens, claims and encumbrances of any kind, other
than (i) transfer restrictions hereunder and under the other agreements to which the Shares may be subject, (ii) transfer restrictions
under federal and state securities laws, and (iii) liens, claims or encumbrances imposed due to the actions of the Subscriber.

 

2.2.4 No Adverse Actions.
There are no actions, suits, investigations or proceedings pending, threatened against or affecting the Company which (i) seek to restrain,
enjoin, prevent the consummation of or otherwise affect the transactions contemplated by this Agreement or (ii) question the validity
or legality of any transactions or seek to recover damages or to obtain other relief in connection with any transactions.

 

2.2.5 Authorization.
The Class A Shares issuable upon conversion of the Class B Shares have been duly authorized and reserved for issuance upon such conversion.

 

 3. Surrender and Cancellation of Shares.

 

3.1 Partial or No Exercise
of the Over-allotment Option. In the event the Over-allotment Option granted to the underwriters of the IPO is not exercised in full,
the Subscriber acknowledges and agrees that it (or, if applicable, it and any transferees of Shares, subject to the terms of the applicable
transfer and assignment agreement) shall surrender for cancellation at the time such Over-allotment Option expires (or earlier if the
underwriters of the IPO waive their ability to exercise such Over-allotment Option) such number of Shares (up to an aggregate of 750,000
Shares and pro rata based upon the percentage of the Over-allotment Option exercised) such that immediately following such surrender,
the number of Shares will equal 20% of the issued and outstanding Ordinary Shares immediately following the IPO (in each case, not including
Class A Shares issuable upon exercise of any warrants).

 

3.2 Termination of
Rights as Shareholder. If any of the Shares are surrendered and cancelled in accordance with this Section 3, then after such
time the Subscriber (or successor in interest), shall no longer have any rights as a holder of such surrendered Shares, and the
Company shall take such action as is appropriate to cancel such surrendered Shares.

 

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4. Waiver
of Liquidation Distributions; Redemption Rights. In connection with the Shares purchased and subscribed for pursuant to this Agreement,
the Subscriber hereby waives any and all right, title, interest or claim of any kind in or to any distributions by the Company from the
trust account which will be established for the benefit of the Company’s public shareholders and into which substantially all of
the proceeds of the IPO will be deposited (the “Trust Account”), in the event of a liquidation of the Company upon
the Company’s failure to timely complete an initial business combination. For purposes of clarity, in the event the Subscriber purchases
securities in the IPO or in the aftermarket, any Class A Shares so purchased and subscribed for shall be eligible to receive any liquidating
distributions by the Company. However, in no event will the Subscriber have the right to redeem any Ordinary Shares held by it into funds
held in the Trust Account upon the successful completion of an initial business combination.

 

 5. Restrictions on Transfer.

 

5.1 Securities Law Restrictions.
In addition to any restrictions to be contained in that certain letter agreement (commonly known as an “Insider Letter”)
dated on or prior to the closing of the IPO by and among the Subscriber, the Company and the other parties thereto, the Subscriber agrees
not to sell, transfer, pledge, hypothecate or otherwise dispose of all or any part of the Shares unless, prior thereto (a) a registration
statement on the appropriate form under the Securities Act and applicable state securities laws with respect to the Shares proposed to
be transferred shall then be effective or (b) the Company has received, if requested by the Company, an opinion from counsel reasonably
satisfactory to the Company, that such registration is not required because such transaction is exempt from registration under the Securities
Act and the rules promulgated by the Securities and Exchange Commission thereunder and with all applicable state securities laws.

 

5.2 Lock-up. The Subscriber
acknowledges that the Shares will be subject to lock-up provisions (the “Lock-up”) contained in the Insider Letter.

 

5.3 Restrictive Legends.
The book entries representing the Shares shall contain legends or notations thereon substantially to the effect as follows:

 

“THE SECURITIES REPRESENTED
HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR ANY STATE SECURITIES LAWS AND NEITHER THE SECURITIES
NOR ANY INTEREST THEREIN MAY BE OFFERED, SOLD, TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED OF EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION
STATEMENT UNDER SUCH ACT OR SUCH LAWS OR AN EXEMPTION FROM REGISTRATION UNDER SUCH ACT AND SUCH LAWS WHICH, IN THE OPINION OF COUNSEL
(IF THE COMPANY SO REQUESTS), IS AVAILABLE.”

 

“THE SECURITIES REPRESENTED
HEREBY ARE SUBJECT TO A LOCKUP AND MAY NOT BE OFFERED, SOLD, TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED DURING THE TERM OF THE LOCK-UP.”

 

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5.4 Additional Shares or
Substituted Securities. In the event of the declaration of a share capitalization, the declaration of an extraordinary dividend payable
in a form other than Ordinary Shares, a spin-off, a share sub-division, an adjustment in conversion ratio, a recapitalization or a similar
transaction affecting the Company’s outstanding Ordinary Shares without receipt of consideration, any new, substituted or additional
securities or other property which are by reason of such transaction distributed with respect to any Shares subject to this Section 5
or into which such Shares thereby become convertible shall immediately be subject to this Section 5 and Section

 

3. Appropriate adjustments
to reflect the distribution of such securities or property shall be made to the number and/or class of Shares subject to this Section
5 and Section 3.

 

5.5 Registration Rights.
The Subscriber acknowledges that the Shares are being subscribed for and purchased pursuant to an exemption from the registration requirements
of the Securities Act and will become freely tradable only after certain conditions are met or they are registered pursuant to a registration
rights agreement to be entered into with the Company prior to the closing of the IPO (the “Registration Rights Agreement”).

 

 6. Other Agreements

 

6.1 Further Assurances.
The Subscriber agrees to execute such further instruments and to take such further action as may reasonably be necessary to carry out
the intent of this Agreement.

 

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

 

6.3 Entire Agreement.
This Agreement, together with the Insider Letter and the Registration Rights Agreement, each substantially in the form to be filed as
an exhibit to the Registration Statement on Form S-1 associated with the Company’s IPO, embodies the entire agreement and understanding
between the Subscriber and the Company with respect to the subject matter hereof and supersedes all prior oral or written agreements and
understandings relating to the subject matter hereof. No statement, representation, warranty, covenant or agreement of any kind not expressly
set forth in this Agreement shall affect, or be used to interpret, change or restrict, the express terms and provisions of this Agreement.

 

6.4 Modifications and Amendments.
The terms and provisions of this Agreement may be modified or amended only by written agreement executed by all parties hereto.

 

6.5 Waivers and
Consents. The terms and provisions of this Agreement may be waived, or consent for the departure therefrom granted, only by
written document executed by the party entitled to the benefits of such terms or provisions. No such waiver or consent shall
be deemed to be or shall constitute a waiver or consent with respect to any other terms or provisions of this Agreement, whether or
not similar. Each such waiver or consent shall be effective only in the specific instance and for the purpose for which it was
given, and shall not constitute a continuing waiver or consent.

 

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6.6 Assignment. The
rights and obligations under this Agreement may not be assigned by either party hereto without the prior written consent of the other
party.

 

6.7 Benefit. All statements,
representations, warranties, covenants and agreements in this Agreement shall be binding on the parties hereto and shall inure to the
benefit of the respective successors and permitted assigns of each party hereto. Nothing in this Agreement shall be construed to create
any rights or obligations except among the parties hereto, and no person or entity shall be regarded as a third-party beneficiary of this
Agreement.

 

6.8 Governing Law.
This Agreement and the rights and obligations of the parties hereunder shall be construed in accordance with and governed by the laws
of New York applicable to contracts wholly performed within the borders of such state, without giving effect to conflicts of law principles
that would result in the application of the substantive laws of another jurisdiction.

 

6.9 Severability. In
the event that any court of competent jurisdiction shall determine that any provision, or any portion thereof, contained in this Agreement
shall be unreasonable or unenforceable in any respect, then such provision shall be deemed limited to the extent that such court deems
it reasonable and enforceable, and as so limited shall remain in full force and effect. In the event that such court shall deem any such
provision, or portion thereof, wholly unenforceable, the remaining provisions of this Agreement shall nevertheless remain in full force
and effect.

 

6.10 No Waiver of Rights,
Powers and Remedies. No failure or delay by a party hereto in exercising any right, power or remedy under this Agreement, and no course
of dealing between the parties hereto, shall operate as a waiver of any such right, power or remedy of such party. No single or partial
exercise of any right, power or remedy under this Agreement by a party hereto, nor any abandonment or discontinuance of steps to enforce
any such right, power or remedy, shall preclude such party from any other or further exercise thereof or the exercise of any other right,
power or remedy hereunder. The election of any remedy by a party hereto shall not constitute a waiver of the right of such party to pursue
other available remedies. No notice to or demand on a party not expressly required under this Agreement shall entitle the party receiving
such notice or demand to any other or further notice or demand in similar or other circumstances or constitute a waiver of the rights
of the party giving such notice or demand to any other or further action in any circumstances without such notice or demand.

 

6.11 Survival of Representations
and Warranties. All representations and warranties made by the parties hereto in this Agreement or in any other agreement, certificate
or instrument provided for or contemplated hereby, shall survive the execution and delivery hereof and any investigations made by or on
behalf of the parties.

 

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6.12 No Broker or Finder.
Each of the parties hereto represents and warrants to the other that no broker, finder or other financial consultant has acted on its
behalf in connection with this Agreement or the transactions contemplated hereby in such a way as to create any liability on the other.
Each of the parties hereto agrees to indemnify and save the other harmless from any claim or demand for commission or other compensation
by any broker, finder, financial consultant or similar agent claiming to have been employed by or on behalf of such party and to bear
the cost of legal expenses incurred in defending against any such claim.

 

6.13 Headings and Captions.
The headings and captions of the various subdivisions of this Agreement are for convenience of reference only and shall in no way modify
or affect the meaning or construction of any of the terms or provisions hereof.

 

6.14 Counterparts.
This Agreement may be executed in one or more counterparts, all of which when taken together shall be considered one and the same agreement
and shall become effective when counterparts have been signed by each party and delivered to the other party, it being understood that
both parties need not sign the same counterpart. In the event that any signature is delivered by facsimile transmission or any other form
of electronic delivery, such signature shall create a valid and binding obligation of the party executing (or on whose behalf such signature
is executed) with the same force and effect as if such signature page were an original thereof.

 

6.15 Construction.
The parties hereto have participated jointly in the negotiation and drafting of this Agreement. If an ambiguity or question of intent
or interpretation arises, this Agreement will be construed as if drafted jointly by the parties hereto and no presumption or burden of
proof will arise favoring or disfavoring any party hereto because of the authorship of any provision of this Agreement. The words “include,”
“includes,” and “including” will be deemed to be followed by “without limitation.” Pronouns in masculine,
feminine, and neuter genders will be construed to include any other gender, and words in the singular form will be construed to include
the plural and vice versa, unless the context otherwise requires. The words “this Agreement,” “herein,” “hereof,”
“hereby,” “hereunder,” and words of similar import refer to this Agreement as a whole and not to any particular
subdivision unless expressly so limited. The parties hereto intend that each representation, warranty, and covenant contained herein will
have independent significance. If any party hereto has breached any representation, warranty, or covenant contained herein in any respect,
the fact that there exists another representation, warranty or covenant relating to the same subject matter (regardless of the relative
levels of specificity) which such party hereto has not breached will not detract from or mitigate the fact that such party hereto is in
breach of the first representation, warranty, or covenant.

 

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

 

7. Voting
and Tender of Shares. The Subscriber agrees to vote the Shares in favor of an initial business combination that the Company negotiates
and submits for approval to the Company’s shareholders and shall not seek redemption or repurchase with respect to any of the Shares
in connection with an initial business combination or any amendment to the Organizational Documents, as amended, prior to an initial business
combination. Additionally, the Subscriber

 

agrees not to tender any Shares in connection with a tender offer presented
to the Company’s shareholders in connection with an initial business combination negotiated by the Company.

 

 8. Indemnification. Each party shall indemnify the other against any loss, cost or damages

 

(including reasonable attorney’s fees and expenses) incurred
as a result of such party’s breach of any representation, warranty, covenant or agreement in this Agreement.

 

[Signature Page Follows]

 

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If the foregoing accurately sets forth our understanding
and agreement, please sign the enclosed copy of this Agreement and return it to us.

 

	 	Very truly yours,
	 	 	 
	 	THRIVE ACQUISITION CORPORATION
	 	 	 
	 	By:	/s/ Benjamin Kao
	 	Name: 	Benjamin Kao
	 	Title:	Director

 

	THRIVE ACQUISITION SPONSOR LLC	 
	 	 	 
	CLAREMONT INVESTMENTS THREE, LLC	 
	 	 	 
	By:	/s/ Benjamin Kao	 
	Name: 	Benjamin Kao	 
	Title:	Authorized Signatory	 

 

[Signature Page to Securities Subscription Agreement]Exhibit 10.8

 

[●], 2021

 

Thrive Acquisition Corporation

275 Grove Street, Suite 2-400

Newton, Massachusetts 02466

 

Re: Initial Public Offering

 

Ladies and Gentlemen:

 

This letter (this “Letter
Agreement”) is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting Agreement”)
entered into or proposed to be entered into by and between Thrive Acquisition Corporation, a Cayman Islands exempted company (the “Company”),
and BTIG, LLC, as the sole underwriter (the “Underwriter”), relating to an underwritten initial public offering (the
“Public Offering”), of up to 17,250,000 of the Company’s units (including up to 2,250,000 units that may be purchased
to cover the Underwriter’s option to purchase additional units, if any) (the “Units”), each comprised of one
Class A ordinary share of the Company, par value $0.0001 per share (“Class A Ordinary Shares”), and one-half
of one redeemable warrant (each whole warrant, a “Warrant”). Each Warrant entitles the holder thereof to purchase one
Class A Ordinary Share at a price of $11.50 per share, subject to adjustment. The Units shall be sold in the Public Offering pursuant
to a registration statement on Form S-1 and prospectus (the “Prospectus”) filed by the Company with the Securities
and Exchange Commission (the “Commission”). Certain capitalized terms used herein are defined in paragraph 11 hereof.

 

In order to induce the Company
and the Underwriter to enter into the Underwriting Agreement and to proceed with the Public Offering and for other good and valuable consideration,
the receipt and sufficiency of which are hereby acknowledged, Thrive Acquisition Sponsor LLC, a Cayman Islands exempted limited liability
company (the “Sponsor”) and the other undersigned persons (each such other undersigned person, including each undersigned
limited liability company, an “Insider” and, collectively, the “Insiders”), each hereby agrees,
severally but not jointly, with the Company as follows:

 

1. The Sponsor and each Insider
agrees that if the Company seeks shareholder approval of a proposed Business Combination, then in connection with such proposed Business
Combination, it, he or she shall (i) vote any Shares owned by it, him or her in favor of any proposed Business Combination (including
any proposals recommended by the Company’s Board of Directors in connection with such Business Combination) and (ii) not redeem
any Shares owned by it, him or her in connection with such shareholder approval.

 

2. The Sponsor and each Insider
hereby agrees that in the event that the Company fails to consummate a Business Combination within 15 months from the closing of the Public
Offering (or 18 months from the closing of the Public Offering if the time to complete a business combination is extended as described
in the Prospectus), or such later period approved by the Company’s shareholders in accordance with the Company’s amended and
restated memorandum and articles of association, the Sponsor and each Insider shall take all reasonable steps to cause the Company to
(i) cease all operations except for the purpose of winding up, (ii) as promptly as reasonably possible but not more than ten
(10) business days thereafter, subject to lawfully available funds therefor, redeem 100% of the Class A Ordinary Shares sold as part
of the Units in the Public Offering (the “Offering Shares”), at a per share price, payable in cash, equal to the aggregate
amount then on deposit in the Trust Account, including interest (which interest shall be net of taxes payable and less up to $100,000
of interest to pay dissolution expenses), divided by the number of then outstanding Offering Shares, which redemption will completely
extinguish all Public Shareholders’ (as defined below) rights as shareholders (including the right to receive further liquidation
distributions, if any), and (iii) as promptly as reasonably possible following such redemption, subject to the approval of the Company’s
remaining shareholders and the Company’s Board of Directors, dissolve and liquidate, subject in each case to the Company’s
obligations under Cayman Islands law to provide for claims of creditors and the other requirements of applicable law. The Sponsor and
each Insider agrees to not propose any amendment to the Company’s amended and restated memorandum and articles of association (A) to
modify the substance or timing of the Company’s obligation to allow redemption in connection with the Company’s initial Business
Combination or to redeem 100% of the Offering Shares if the Company does not complete its initial Business Combination within 15 months
from the closing of the Public Offering (or 18 months from the closing of the Public Offering if the time to complete a business combination
is extended as described in the Prospectus) or (B) with respect to any other provision relating to shareholders’ rights or
pre-initial Business Combination activity, unless the Company provides its Public Shareholders with the opportunity to redeem their Offering
Shares upon approval of any such amendment at a per share price, payable in cash, equal to the aggregate amount then on deposit in the
Trust Account, including interest (which interest shall be net of taxes payable), divided by the number of then outstanding Offering Shares.

 

     

     

    

 

The Sponsor and each Insider
acknowledges that it, he or she has no right, title, interest or claim of any kind in or to any monies held in the Trust Account or any
other asset of the Company as a result of any liquidation of the Company with respect to the Founder Shares held by it. The Sponsor and
each Insider hereby further waives, with respect to any Shares held by it, him or her, if any, any redemption rights it, he or she may
have in connection with (x) the consummation of a Business Combination, including, without limitation, any such rights available
in the context of a shareholder vote to approve such Business Combination or in the context of a tender offer made by the Company to purchase
Class A Ordinary Shares and (y) a shareholder vote to approve an amendment to the Company’s amended and restated memorandum
and articles of association (A) to modify the substance or timing of the Company’s obligation to allow redemptions in connection
with the Company’s initial Business Combination or to redeem 100% of the Offering Shares if the Company has not consummated its
initial Business Combination within 15 months from the closing of the Public Offering (or 18 months from the closing of the Public Offering
if the time to complete a business combination is extended as described in the Prospectus) or (B) with respect to any other provision
relating to shareholders’ rights or pre-initial Business Combination activity (although the Sponsor and the Insiders shall be entitled
to redemption and liquidation rights with respect to any Offering Shares it or they hold if the Company fails to consummate a Business
Combination within 15 months from the date of the closing of the Public Offering (or 18 months from the closing of the Public Offering
if the time to complete a business combination is extended as described in the Prospectus)).

 

3. Notwithstanding the provisions
set forth in paragraphs 7(a) and (b) below, during the period commencing on the effective date of the Underwriting Agreement and ending
180 days after such date, the Sponsor and each Insider shall not, without the prior written consent of the Underwriter, (i) offer,
pledge, sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right
or warrant to purchase, or otherwise transfer or dispose of, directly or indirectly, or file with, or submit to, the Commission a registration
statement under the Securities Act of 1933, as amended (the “Securities Act” ), relating to any Units, Class A
Ordinary Shares, Founder Shares, Warrants or any securities convertible into, or exercisable, or exchangeable for, any Units, Class A
Ordinary Shares, Founder Shares, or Warrants, or publicly disclose the intention to undertake any of the foregoing, or (ii) enter
into any swap or other arrangement that transfers, in whole or in part, any of the economic consequences of ownership of any Units, Class A
Ordinary Shares, Founder Shares, or Warrants or any such other securities, whether any such transaction described in clause (i) or (ii)
above is to be settled by delivery of units or such other securities, in cash or otherwise; provided, however, that the foregoing does
not apply to the forfeiture of any Founder Shares pursuant to their terms or any Transfer of Founder Shares to any current or future independent
director of the company (as long as such current or future independent director transferee is subject to this Letter Agreement or executes
an agreement substantially identical to the terms of this Letter Agreement, as applicable to directors and officers at the time of such
Transfer; and as long as, to the extent any Section 16 reporting obligation is triggered as a result of such Transfer, any related Section
16 filing includes a practical explanation as to the nature of the Transfer). Each of the Insiders and the Sponsor acknowledges and agrees
that, prior to the effective date of any release or waiver, of the restrictions set forth in this paragraph 3 or paragraph 7 below, the
Company may announce the impending release or waiver by press release through a major news service at least two business days before the
effective date of the release or waiver. The immediately preceding sentence will not apply if (i) the release or waiver is effected
solely to permit a Transfer of securities that is not for consideration and (ii) the transferee has agreed in writing to be bound
by the same terms described in this Letter Agreement to the extent and for the duration that such terms remain in effect at the time of
the Transfer.

 

4. In the event of the liquidation
of the Trust Account, the Sponsor (which for purposes of clarification shall not extend to any other shareholders, members or managers
of the Sponsor) agrees to indemnify and hold harmless the Company against any and all loss, liability, claim, damage and expense whatsoever
(including, but not limited to, any and all legal or other expenses reasonably incurred in investigating, preparing or defending against
any litigation, whether pending or threatened, or any claim whatsoever) to which the Company may become subject as a result of any claim
by (i) any third party (other than the Company’s independent registered public accounting firm) for services rendered or products
sold to the Company or (ii) a prospective target business with which the Company has discussed entering into a transaction agreement
(a “Target”); provided, however, that such indemnification of the Company by the Sponsor shall apply
only to the extent necessary to ensure that such claims by a third party for services rendered (other than the Company’s independent
registered public accounting firm) or products sold to the Company or a Target do not reduce the amount of funds in the Trust Account
to below (i) $10.00 per Offering Share or (ii) such lesser amount per Offering Share held in the Trust Account as of the date
of the liquidation of the Trust Account due to reductions in the value of the trust assets as of the date of the liquidation of the Trust
Account, in each case, net of the amount of interest which may be withdrawn to pay taxes, except as to any claims by a third party who
executed a waiver of any and all rights to seek access to the Trust Account whether or not such waiver is enforceable and except as to
any claims under the Company’s indemnity of the Underwriter against certain liabilities, including liabilities under the Securities
Act of 1933, as amended. In the event that any such executed waiver is deemed to be unenforceable against such third party, the Sponsor
shall not be responsible to the extent of any liability for such third party claims. The Sponsor shall have the right to defend against
any such claim with counsel of its choice reasonably satisfactory to the Company if, within 15 days following written receipt of notice
of the claim to the Sponsor, the Sponsor notifies the Company in writing that it shall undertake such defense.

 

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5. (a) To the extent
that the Underwriter does not exercise in full its option to purchase up to an additional 2,250,000 Units within 45 days from the date
of the Prospectus (and as further described in the Prospectus), the Sponsor, GR Sleep LLC and Charles Urbain each agrees that it or he
shall forfeit, at no cost, a Pro Rata number of Founder Shares which in the aggregate equal to 562,500 multiplied by a fraction, (i) the
numerator of which is 2,250,000 minus the number of Units (if any) purchased by the Underwriter upon the exercise of its option to purchase
additional Units and (ii) the denominator of which is 2,250,000. All references in this Letter Agreement to Founder Shares of the
Company being forfeited shall take effect as a contribution of such Founder Shares to the Company’s capital as a matter of Cayman
Islands law. The Initial Shareholders (as defined below) further agree that to the extent that the size of the Public Offering is increased
or decreased, the Company will effect a share capitalization or share repurchase or redemption or other appropriate mechanism, as applicable,
immediately prior to the consummation of the Public Offering in such amount as to maintain the number of Founder Shares at 20.0% of the
Company’s issued and outstanding Shares upon the consummation of the Public Offering. In connection with such increase or decrease
in the size of the Public Offering, then (A) the references to 2,250,000 in the numerator and denominator of the formula in the first
sentence of this paragraph shall be changed to a number equal to 15.0% of the number of Class A Ordinary Shares included in the Units
issued in the Public Offering, (B) the reference to 562,500 in the formula set forth in the first sentence of this paragraph shall
be adjusted to, respectively, the total number of Founder Shares that the Sponsor, GR Sleep LLC and Charles Urbain would have to return
to the Company in order for the number of Founder Shares that the Sponsor owns (together with the Insiders) to equal an aggregate of 20.0%
of the Company’s issued and outstanding Shares after the Public Offering (not including, for the avoidance of doubt, any Class A
Ordinary Shares underlying the Private Placement Warrants). This paragraph 5(a) of this Letter Agreement supersedes paragraph 3.1, which
will be of no force or effect, of the Securities Subscription Agreement, dated May 5, 2021, by and between the Company and the Sponsor.

 

6. The Sponsor and each Insider
hereby agrees and acknowledges that: (i) the Underwriter and the Company would be irreparably injured in the event of a breach by
such Sponsor or Insider of its, his or her obligations under paragraphs 1, 2, 3, 4, 5, 7(a), 7(b), and 9 of this Letter Agreement (ii) monetary
damages may not be an adequate remedy for such breach and (iii) the non-breaching party shall be entitled to seek injunctive relief,
in addition to any other remedy that such party may have in law or in equity, in the event of such breach.

 

7. (a) The Sponsor and each
Insider agrees that it, he or she shall not Transfer any Founder Shares (or Class A Ordinary Shares issuable upon conversion thereof)
until the earlier of (A) one year after the completion of the Company’s initial Business Combination and (B) subsequent
to the Business Combination, the earlier of (x) the date on which the Company completes a liquidation, merger, share exchange, asset
acquisition, share repurchase, recapitalization, reorganization or other similar transaction that results in all of the Public Shareholders
having the right to exchange their Ordinary Shares for cash, securities or other property or (y) the date on which the last reported
sale price of the Class A Ordinary Shares equals or exceeds $12.00 per share (as adjusted for share splits, share recapitalizations,
reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing at least 150 days
after the Company’s initial Business Combination (the “Founder Shares Lock-Up Period”).

 

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(b) Each of the Sponsor,
GR Sleep and Charles Urbain agrees that it or he shall not Transfer any Private Placement Warrants or any Class A Ordinary Shares
issued or issuable upon the exercise of the Private Placement Warrants, until 30 days after the completion of a Business Combination (the
“Private Placement Warrants Lock-Up Period”, together with the Founder Shares Lock-Up Period, the “Lock-Up
Periods”).

 

(c) Notwithstanding the provisions
set forth in paragraphs 7(a) and (b), Transfers of the Founder Shares, Private Placement Warrants and Class A Ordinary Shares issued
or issuable upon the exercise or conversion of the Private Placement Warrants or the Founder Shares and that are held by the Sponsor or
any Insider or any of their permitted transferees (that have complied with this paragraph 7(c)), are permitted (a) to the Company’s
directors or officers, any affiliates or family members of any of the Company’s directors or officers, any members of the Sponsor,
or any affiliates of the Sponsor, (b) in the case of an individual, by gift to a member of the individual’s immediate family
or to a trust, the beneficiaries of which are members of the individual’s immediate family or an affiliate of such person, or to
a charitable organization; (c) in the case of an individual, by virtue of laws of descent and distribution upon death of the individual;
(d) in the case of an individual, pursuant to a qualified domestic relations order; (e) in the case of a trust, by distribution
to one or more of the permissible beneficiaries of such trust; (f) by private sales or Transfers made in connection with the consummation
of the Company’s Business Combination at prices no greater than the price at which the securities were originally purchased; (g) in
the event of the Company’s liquidation prior to the Company’s completion of an initial Business Combination; (h) by virtue
of the laws of the Cayman Islands or the Sponsor’s limited liability company agreement, as amended, upon dissolution of the Sponsor;
or (i) in the event of the Company’s completion of a liquidation, merger, share exchange, reorganization or other similar transaction
which results in all of the Public Shareholders having the right to exchange their Class A Ordinary Shares for cash, securities or
other property subsequent to the Company’s completion of an initial Business Combination; provided, however, that
in the case of clauses (a) through (f), these permitted transferees must enter into a written agreement with the Company agreeing to be
bound by the Transfer restrictions and other applicable restrictions in this Letter Agreement.

 

8. The Sponsor and each Insider
represents and warrants that it, he or she has never been suspended or expelled from membership in any securities or commodities exchange
or association or had a securities or commodities license or registration denied, suspended or revoked. Each Insider’s biographical
information furnished to the Company, if any (including any such information included in the Prospectus), is true and accurate in all
material respects and does not omit any material information with respect to such Insider’s background. The Sponsor and each Insider’s
questionnaire furnished to the Company, if any, is true and accurate in all material respects. The Sponsor and each Insider represents
and warrants that: it is not subject to or a respondent in any legal action for, any injunction, cease-and-desist order or order or stipulation
to desist or refrain from any act or practice relating to the offering of securities in any jurisdiction; it has never been convicted
of, or pleaded guilty to, any crime (i) involving fraud, (ii) relating to any financial transaction or handling of funds of
another person, or (iii) pertaining to any dealings in any securities and it is not currently a defendant in any such criminal proceeding.

 

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9. Except as disclosed in,
or as expressly contemplated by, the Prospectus, neither the Sponsor nor any Insider nor any affiliate of the Sponsor or any Insider,
nor any director or officer of the Company, shall receive from the Company any finder’s fee, reimbursement, consulting fee, monies
in respect of any repayment of a loan or other compensation prior to, or in connection with any services rendered in order to effectuate
the consummation of the Company’s initial Business Combination (regardless of the type of transaction that it is).

 

10. The Sponsor and each Insider
has full right and power, without violating any agreement to which it is bound (including, without limitation, any non-competition or
non-solicitation agreement with any employer or former employer), to enter into this Letter Agreement and, as applicable, to serve as
an officer and/or a director on the board of directors of the Company and hereby consents to being named in the Prospectus as an officer
and/or a director of the Company.

 

11. As used herein, (i) “Business
Combination” shall mean a merger, share exchange, asset acquisition, share purchase, recapitalization, reorganization or similar
business combination, involving the Company and one or more businesses; (ii) “Shares” shall mean, collectively,
the Class A Ordinary Shares and the Founder Shares; (iii) “Founder Shares” shall mean the 4,312,500 Class B
Ordinary Shares, par value $0.0001 per share, issued and outstanding immediately prior to the consummation of the Public Offering; (iv) “Initial
Shareholders” shall mean the Sponsor and any Insider that holds Founder Shares; (v) “Private Placement Warrants”
shall mean the Warrants to purchase an aggregate of 8,250,000 Class A Ordinary Shares of the Company (or up to 9,150,000 Class A
Ordinary Shares depending on the extent to which the Underwriter’s over-allotment option is exercised pursuant to the Underwriting
Agreement) that the Sponsor, GR Sleep LLC and Charles Urbain have agreed to purchase for an aggregate purchase price of $8,250,000 in
the aggregate (or up to $9,150,000 depending on the extent to which the Underwriter’s over-allotment option is exercised pursuant
to the Underwriting Agreement), or $1.00 per Warrant, in a private placement that shall occur substantially concurrently with the consummation
of the Public Offering; (vi) “Pro Rata” shall mean the percentage of the outstanding Private Placement Warrants that
were purchased by each of the Sponsor, GR Sleep LLC and Charles Urbain; (vii) “Public Shareholders” shall mean
the holders of securities issued in the Public Offering; (viii) “Trust Account” shall mean the trust fund into
which a portion of the net proceeds of the Public Offering shall be deposited; and (ix) “Transfer” shall mean
the (a) sale or assignment of, offer to sell, contract or agreement to sell, hypothecation, pledge, grant of any option to purchase
or other disposition of or agreement to dispose of, directly or indirectly, or establishment or increase of a put equivalent position
or liquidation with respect to or decrease of a call equivalent position within the meaning of Section 16 of the Securities Exchange Act
of 1934, as amended, and the rules and regulations of the Commission promulgated thereunder with respect to, any security, (b) entry
into any swap or other arrangement that transfers to another, in whole or in part, any of the economic consequences of ownership of any
security, whether any such transaction is to be settled by delivery of such securities, in cash or otherwise, or (c) public announcement
of any intention to effect any transaction specified in clause (a) or (b) of the previous paragraph.

 

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12. This Letter Agreement,
together with the other agreements entered into in connection with the Public Offering or otherwise contemplated by the prospectus, constitutes
the entire agreement and understanding of the parties hereto in respect of the subject matter hereof and supersedes all prior understandings,
agreements, or representations by or among the parties hereto, written or oral, to the extent they relate in any way to the subject matter
hereof or the transactions contemplated hereby. This Letter Agreement may not be changed, amended, modified or waived (other than to correct
a typographical error) as to any particular provision, except by a written instrument executed by (1) each Insider that is the subject
of any such change, amendment modification or waiver and (2) the Sponsor.

 

13. The Company will maintain
an insurance policy or policies providing directors’ and officers’ liability insurance, and the Insiders shall be covered
by such policy or policies, in accordance with its or their terms, to the maximum extent of the coverage available for any of the Company’s
directors or officers.

 

14. No party hereto may assign
either this Letter Agreement or any of its rights, interests, or obligations hereunder without the prior written consent of the other
parties. Any purported assignment in violation of this paragraph shall be void and ineffectual and shall not operate to Transfer or assign
any interest or title to the purported assignee. This Letter Agreement shall be binding on the Sponsor and each Insider and their respective
successors, heirs and assigns and permitted transferees.

 

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

 

16. This Letter Agreement
shall be governed by and construed and enforced in accordance with the laws of the State of New York without regard to the conflict of
law provisions of such jurisdiction, without regard to any conflict of law provisions that would cause the applications of the laws of
any jurisdiction other than the state of New York. The parties hereto (i) all agree that any action, proceeding, claim or dispute
arising out of, or relating in any way to, this Letter Agreement shall be brought and enforced in the courts of New York City, in the
State of New York, and irrevocably submit to such jurisdiction and venue, which jurisdiction and venue shall be exclusive and (ii) waive
any objection to such exclusive jurisdiction and venue or that such courts represent an inconvenient forum.

 

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

 

18. Each party hereto shall
not be liable for any breaches or misrepresentations contained in this Letter Agreement by any other party to this Letter Agreement (including,
for the avoidance of doubt, any Insider with respect to any other Insider), and no party shall be liable or responsible for the obligations
of another party, including, without limitation, indemnification obligations and notice obligations.

 

    6

     

    

 

19. Nothing in this Letter
Agreement shall be construed to confer upon, or give to, any person or corporation other than the parties hereto any right, remedy or
claim under or by reason of this Letter Agreement or of any covenant, condition, stipulation, promise or agreement hereof. All covenants,
conditions, stipulations, promises and agreements contained in this Letter Agreement shall be for the sole and exclusive benefit of the
parties hereto and their successors, heirs, personal representatives and assigns and permitted transferees.

 

20. This Letter Agreement
may be executed in any number of original or facsimile counterparts, including electronic transmission, and each of such counterparts
shall for all purposes be deemed to be an original, and all such counterparts shall together constitute but one and the same instrument.

 

21. This Letter Agreement
shall terminate on the earlier of (i) the expiration of the Lock-Up Periods and (ii) the liquidation of the Company; provided,
however, that this Letter Agreement shall earlier terminate in the event that the Public Offering is not consummated and closed
by [_], 2021; provided further that paragraph 4 of this Letter Agreement shall survive such liquidation.

 

22. This Letter Agreement
may be executed in any number of original or facsimile counterparts and each of such counterparts shall for all purposes be deemed to
be an original, and all such counterparts shall together constitute but one and the same instrument.

 

[Signature page follows]

 

    7

     

    

 

	 	Sincerely,
	 	 
	 	THRIVE ACQUISITION SPONSOR  LLC
	 	 
	 	By:	
	 	 	Name: 	Charles Jobson
	 	 	Title:	Authorized Signatory

 

	 	GR SLEEP  LLC
	 	 
	 	By:	
	 	 	Name: 	 Peter Graham
	 	 	Title:	Authorized Signatory

 

	 	 
	 	Charles Jobson
	 	 
	 	Benjamin Kao
	 	 
	 	Charles Urbain
	 	 
	 	Peter Roy
	 	 
	 	James Macon
	 	 
	 	Daniel Germain
	 	 
	 	Peter Graham
	 	 
	 	Christophe Barnouin
	 	 
	 	John O’Callaghan

 

[Signature Page to Letter Agreement]

 

     

     

    

 

	 	Acknowledged and Agreed:
	 	 
	 	THRIVE ACQUISITION CORPORATION
	 	 
	 	By:	

	 	 	Name: 	 Charles Jobson
	 	 	Title:	Chief Executive Officer

 

[Signature Page to Letter Agreement]

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