Document:

Exhibit 10.1

 

FORM OF LOCK-UP AGREEMENT

 

 

THIS LOCK-UP AGREEMENT
(this “Agreement”) is made and entered into as of ___________, 2020, by and among (i) Ufin TeK Limited,
a British Virgin Islands company (“Pubco”), (ii) Sherman Xiaoma Lu, in the capacity under the
Business Combination Agreement (as defined below) as the Purchaser Representative (including any successor Purchaser Representative
appointed in accordance therewith, the “Purchaser Representative”), and (iii) the undersigned (“Holder”).
Any capitalized term used but not defined in this Agreement will have the meaning ascribed to such term in the Business Combination
Agreement.

 

WHEREAS, on
September 18, 2020, East Stone Acquisition Corporation, a British Virgin Islands company (“Purchaser”),
the Purchaser Representative, Pubco, Ufin Mergerco Limited, a British Virgin Islands company and a wholly-owned subsidiary of Pubco
(“Merger Sub”), Ufin Holdings Limited, a corporation organized under the laws of Cayman Islands (the
“Company”), Yingkui Liu, in the capacity thereunder as the Seller Representative, and Ufin Investment
Limited, a British Virgin Islands with limited liability company (the “Seller”) entered into that certain
Business Combination Agreement (as amended from time to time in accordance with the terms thereof, the “Business Combination
Agreement”), pursuant to which, subject to the terms and conditions thereof, among other matters, (a) Merger Sub
will merge with and into Purchaser, with Purchaser continuing as the surviving entity (the “Merger”),
and as a result of which, (i) Purchaser will become a wholly-owned subsidiary of Pubco, and (ii) each issued and outstanding security
of Purchaser immediately prior to the effective time of the Merger will no longer be outstanding and will automatically be cancelled,
in exchange for the right of the holder thereof to receive a substantially equivalent security of Pubco and (b) Pubco will acquire
all of the issued and outstanding capital shares of the Company from the Seller in exchange for ordinary shares of Pubco (the “Share
Exchange ”), subject to the withholding of the Escrow Shares being deposited in the Escrow Account in accordance
with the terms and conditions of the Business Combination Agreement and the Escrow Agreement, all upon the terms and subject to
the conditions set forth in the Business Combination Agreement and in accordance with the provisions of applicable law;

 

WHEREAS, at
the Closing of the transaction contemplated by the Business Combination Agreement (the “Closing”), the
Seller [is the holder of /shall assign the Holder, as a Designated Share Recipient under the Business Combination Agreement], the
number of Pubco Ordinary Shares in such amounts as set forth underneath Holder’s name on the signature page hereto; and

 

WHEREAS, pursuant
to the Business Combination Agreement, and in view of the valuable consideration to be received by Holder thereunder, the parties
desire to enter into this Agreement, pursuant to which the Exchange Shares to be issued to Holder, including the Escrow Shares
and Earnout Shares allocated to the Holder (all such securities, together with any securities paid as dividends or distributions
with respect to such securities or into which such securities are exchanged or converted, the “Restricted Securities”)
shall become subject to limitations on disposition as set forth herein.

 

    

     

    

NOW, THEREFORE,
in consideration of the premises set forth above, which are incorporated in this Agreement as if fully set forth below, and intending
to be legally bound hereby, the parties hereby agree as follows:

 

		1.	Lock-Up Provisions.

 

(a)                      
Holder hereby agrees not to, during the period (the “Lock-Up Period”) commencing from the Closing and
ending on the earliest of (x) the fifteen (15) month anniversary of the date of the Closing, and (y) the date after the Closing
on which Pubco consummates a liquidation, merger, share exchange or other similar transaction with an unaffiliated third party
that results in all of Pubco’s shareholders having the right to exchange their equity holdings in Pubco for cash, securities
or other property and (z) the date on which the closing sale price of the Pubco Ordinary Shares equals or exceeds $16.50 per share
(as adjusted for stock splits, stock dividends, reorganizations and recapitalizations) for any twenty (20) trading days within
any thirty (30) consecutive trading day period: (i) lend, offer, pledge (except as provided herein below), hypothecate, encumber,
donate, assign, 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, any Restricted Securities,
(ii) enter into any swap or other arrangement that transfers to another, in whole or in part, any of the economic consequences
of ownership of the Restricted Securities, or (iii) publicly disclose the intention to do any of the foregoing, whether any such
transaction described in clauses (i), (ii) or (iii) above is to be settled by delivery of Restricted Securities or other securities,
in cash or otherwise (any of the foregoing described in clauses (i), (ii) or (iii), a “Prohibited Transfer”).
The foregoing sentence shall not apply to the transfer of any or all of the Restricted Securities owned by Holder (other than Escrow
Shares until such Escrow Shares are disbursed to Holder from the Escrow Account in accordance with the terms and conditions of
the Business Combination Agreement and the Escrow Agreement) (I) by gift, will or intestate succession upon the death of Holder,
(II) to any Permitted Transferee (defined below), (III) pursuant to a court order or settlement agreement related to the distribution
of assets in connection with the dissolution of marriage or civil union or (IV) to Pubco in accordance with the requirements of
the Business Combination Agreement; provided, however, that in any of cases (I), (II) or (III) it shall be a condition to such
transfer that the transferee executes and delivers to Pubco and the Purchaser Representative an agreement stating that the transferee
is receiving and holding the Restricted Securities subject to the provisions of this Agreement applicable to Holder, and there
shall be no further transfer of such Restricted Securities except in accordance with this Agreement. As used in this Agreement,
the term “Permitted Transferee” shall mean: (A) the members of Holder’s immediate family (for purposes
of this Agreement, “immediate family” shall mean with respect to any natural person, any of the following: such person’s
spouse, the siblings of such person and his or her spouse, and the direct descendants and ascendants (including adopted and step
children and parents) of such person and his or her spouses and siblings), (B) any trust for the direct or indirect benefit of
Holder or the immediate family of Holder, (C) if Holder is a trust, to the trustor or beneficiary of such trust or to the estate
of a beneficiary of such trust, (D) if Holder is an entity, as a distribution to limited partners, shareholders, members of, or
owners of similar equity interests in Holder upon the liquidation and dissolution of Holder or (E) to any affiliate of Holder.
Holder further agrees to execute such agreements as may be reasonably requested by Pubco or the Purchaser Representative that are
consistent with the foregoing or that are necessary to give further effect thereto.

 

    

     

    

(b)                   
Holder further acknowledges and agrees that it shall not be permitted to engage in any Prohibited Transfer with respect to any
Escrow Shares until such Escrow Shares are disbursed to Holder from the Escrow Account in accordance with the terms and conditions
of the Business Combination Agreement and the Escrow Agreement.

 

(c)                   
If any Prohibited Transfer is made or attempted contrary to the provisions of this Agreement, such purported Prohibited Transfer
shall be null and void ab initio, and Pubco shall refuse to recognize any such purported transferee of the Restricted Securities
as one of its equity holders for any purpose. In order to enforce this Section 1, Pubco may impose stop-transfer instructions
with respect to the Restricted Securities of Holder (and Permitted Transferees and assigns thereof) until the end of the Lock-Up
Period.

 

(d)               
During the Lock-Up Period(and with respect to any Escrow Shares, if longer, during the period when such Escrow Shares are held
in the Escrow Account), each certificate evidencing any Restricted Securities shall be stamped or otherwise imprinted with a legend
in substantially the following form, in addition to any other applicable legends:

 

“THE SECURITIES REPRESENTED BY THIS
CERTIFICATE ARE SUBJECT TO RESTRICTIONS ON TRANSFER SET FORTH IN A LOCK-UP AGREEMENT, DATED AS OF [__________], 2020, BY AND AMONG
THE ISSUER OF SUCH SECURITIES (THE “ISSUER”), A CERTAIN REPRESENTATIVE OF THE ISSUER NAMED THEREIN AND THE ISSUER’S
SECURITY HOLDER NAMED THEREIN, AS AMENDED. A COPY OF SUCH LOCK-UP AGREEMENT WILL BE FURNISHED WITHOUT CHARGE BY THE ISSUER TO THE
HOLDER HEREOF UPON WRITTEN REQUEST.”

 

(e)                    
For the avoidance of any doubt, Holder shall retain all of its rights as a shareholder of Pubco with respect to the Restricted
Securities during the Lock-Up Period, including the right to vote any Restricted Securities, but subject to the obligations under
the Business Combination Agreement and the Escrow Agreement.

 

		2.	Miscellaneous.

 

(a)                        
Termination of Business Combination Agreement. This Agreement shall be binding upon Holder upon Holder’s execution
and delivery of this Agreement, but this Agreement shall only become effective upon the Closing. Notwithstanding anything to the
contrary contained herein, in the event that the Business Combination Agreement is terminated in accordance with its terms prior
to the Closing, this Agreement shall automatically terminate and become null and void, and the parties shall not have any rights
or obligations hereunder.

 

(b)                    
Binding Effect; Assignment. This Agreement and all of the provisions hereof shall be binding upon and inure to the benefit
of the parties hereto and their respective permitted successors and assigns. This Agreement and all obligations of Holder are personal
to Holder and may not be transferred or delegated by Holder at any time. Pubco may freely assign any or all of its rights under
this Agreement, in whole or in part, to any successor entity (whether by merger, consolidation, equity sale, asset sale or otherwise)
without obtaining the consent or approval of Holder (but from and after the Closing, the consent of the Purchaser Representative
shall be required). If the Purchaser Representative is replaced in accordance with the terms of the Business Combination Agreement,
the replacement Purchaser Representative shall automatically become a party to this Agreement as if it were the original Purchaser
Representative hereunder.

 

    

     

    

(c)                     
Third Parties. Nothing contained in this Agreement or in any instrument or document executed by any party in connection
with the transactions contemplated hereby shall create any rights in, or be deemed to have been executed for the benefit of, any
person or entity that is not a party hereto or thereto or a successor or permitted assign of such a party.

 

(d)                    
Governing Law; Jurisdiction. This Agreement and any dispute or controversy arising out of or relating to this Agreement
shall be governed by and construed in accordance with the laws of the State of New York, without regard to the conflict of law
principles thereof. All Actions arising out of or relating to this Agreement shall be heard and determined exclusively in any state
or federal court located in New York, New York (or in any appellate courts thereof) (the “Specified Courts”).
Each party hereto hereby (i) submits to the exclusive jurisdiction of any Specified Court for the purpose of any Action arising
out of or relating to this Agreement brought by any party hereto and (ii) irrevocably waives, and agrees not to assert by way of
motion, defense or otherwise, in any such Action, any claim that it is not subject personally to the jurisdiction of the above-named
courts, that its property is exempt or immune from attachment or execution, that the Action is brought in an inconvenient forum,
that the venue of the Action is improper, or that this Agreement or the transactions contemplated hereby may not be enforced in
or by any Specified Court. Each party agrees that a final judgment in any Action shall be conclusive and may be enforced in other
jurisdictions by suit on the judgment or in any other manner provided by Law. Each party irrevocably consents to the service of
the summons and complaint and any other process in any other action or proceeding relating to the transactions contemplated by
this Agreement, on behalf of itself, or its property, by personal delivery of copies of such process to such party at the applicable
address set forth in Section 2(g). Nothing in this Section 2(d) shall affect the right of any party to serve legal
process in any other manner permitted by applicable law.

 

 

(e)                   
WAIVER OF JURY TRIAL. EACH OF THE PARTIES HERETO HEREBY WAIVES TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW ANY RIGHT
IT MAY HAVE TO A TRIAL BY JURY WITH RESPECT TO ANY ACTION DIRECTLY OR INDIRECTLY ARISING OUT OF, UNDER OR IN CONNECTION WITH THIS
AGREEMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY. EACH PARTY HERETO (i) CERTIFIES THAT NO REPRESENTATIVE OF ANY OTHER PARTY HAS
REPRESENTED, EXPRESSLY OR OTHERWISE, THAT SUCH OTHER PARTY WOULD NOT, IN THE EVENT OF ANY ACTION, SEEK TO ENFORCE THAT FOREGOING
WAIVER AND (ii) ACKNOWLEDGES THAT IT AND THE OTHER PARTIES HERETO HAVE BEEN INDUCED TO ENTER INTO THIS AGREEMENT BY, AMONG OTHER
THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION 2(e).

 

 

    

     

    

(e)                     
Interpretation. The titles and subtitles used in this Agreement are for convenience only and are not to be considered in
construing or interpreting this Agreement. In this Agreement, unless the context otherwise requires: (i) any pronoun used in this
Agreement shall include the corresponding masculine, feminine or neuter forms, and the singular form of nouns, pronouns and verbs
shall include the plural and vice versa; (ii) “including” (and with correlative meaning “include”) means
including without limiting the generality of any description preceding or succeeding such term and shall be deemed in each case
to be followed by the words “without limitation”; (iii) the words “herein,” “hereto,” and “hereby”
and other words of similar import in this Agreement shall be deemed in each case to refer to this Agreement as a whole and not
to any particular section or other subdivision of this Agreement; and (iv) the term “or” means “and/or”.
The parties have participated jointly in the negotiation and drafting of this Agreement. Consequently, in the event an ambiguity
or question of intent or interpretation arises, this Agreement shall be construed as if drafted jointly by the parties hereto,
and no presumption or burden of proof shall arise favoring or disfavoring any party by virtue of the authorship of any provision
of this Agreement.

 

(f)                     
Notices. All notices, consents, waivers and other communications hereunder shall be in writing and shall be deemed to have
been duly given when delivered (i) in person, (ii) by facsimile or other electronic means, with affirmative confirmation of receipt,
(iii) one Business Day after being sent, if sent by reputable, nationally recognized overnight courier service or (iv) three (3)
Business Days after being mailed, if sent by registered or certified mail, pre-paid and return receipt requested, in each case
to the applicable party at the following addresses (or at such other address for a party as shall be specified by like notice):

 

	
        If to the Purchaser Representative,
        to:

        Sherman Xiaoma Lu

         

        25 Mall Road, Suite 330

        Burlington, MA 01803

        Attn: Sherman Xiaoma Lu, Chief Executive
        Officer

        Telephone No.: 781 202 9128

        Email: sherman@estonecapital.com

        Sherman Xiaoma Lu
	
        With a copy to (which shall not
        constitute notice):

         

        Ellenoff Grossman & Schole LLP

        1345 Avenue of the Americas, 11th Floor

        New York, New York 10105

         

        Attn: Barry I. Grossman, Esq.

        Matthew A. Gray, Esq.

        Facsimile No.: (212) 370-7889

        Telephone No.: (212) 370-1300

        Email: bigrossman@egsllp.com

        mgray@egsllp.com

         

	
        If to Pubco at or prior to the Closing:

        UFIN Holdings Limited

        #417, Lippo Centre Tower 2,

        89 Queensway

        Admiralty, Hong Kong

        Attention: Doris Wu

        Telephone No.:  +852 3107 0683

        Email: xujunhui@sinowel.com

         

         

         

        If to Pubco after the Closing:

        UFIN Holdings Limited

        #417, Lippo Centre Tower 2,

        89 Queensway

        Admiralty, Hong Kong

        Attention: Doris Wu

        Telephone No.:  +852 3107 0683

        Email: xujunhui@sinowel.com

         
	
        with a copy (which will not constitute
        notice) to:

        Loeb & Loeb LLP

        Suite 4301, Tower C, Beijing Yintai
        Center

        2 Jianguomenwai Dajie, Chaoyang District

        100022, P.R. China

        Attn: Lawrence Venick, Esq.

         

         

         

         

        with a copy (which will not constitute
        notice) to:

        Loeb & Loeb LLP

        Suite 4301, Tower C, Beijing Yintai
        Center

        Jianguomenwai Dajie, Chaoyang District

        100022, P.R. China

        Attn: Lawrence Venick, Esq.

         

        and the Purchaser Representative (and
        its copy for notice hereunder)

 

    

     

    

 

	
         

        If to Holder, to:

        the address set forth below Holder’s
        name on the signature page to this Agreement
	
         

        with a copy (which will not constitute
        notice) to:

        Loeb & Loeb LLP

        Suite 4301, Tower C, Beijing Yintai
        Center

        2 Jianguomenwai Dajie, Chaoyang District

        100022, P.R. China

        Attn: Lawrence Venick, Esq.

 

(g)                    
Amendments and Waivers. Any term of this Agreement may be amended and the observance of any term of this Agreement may be waived
(either generally or in a particular instance, and either retroactively or prospectively) only with the written consent of Pubco,
the Purchaser Representative and Holder. No failure or delay by a party in exercising any right hereunder shall operate as a waiver
thereof. No waivers of or exceptions to any term, condition, or provision of this Agreement, in any one or more instances, shall
be deemed to be or construed as a further or continuing waiver of any such term, condition, or provision.

 

(h)                    
Severability. In case any provision in this Agreement shall be held invalid, illegal or unenforceable in a jurisdiction, such provision
shall be modified or deleted, as to the jurisdiction involved, only to the extent necessary to render the same valid, legal and
enforceable, and the validity, legality and enforceability of the remaining provisions hereof shall not in any way be affected
or impaired thereby nor shall the validity, legality or enforceability of such provision be affected thereby in any other jurisdiction.
Upon such determination that any term or other provision is invalid, illegal or incapable of being enforced, the parties will substitute
for any invalid, illegal or unenforceable provision a suitable and equitable provision that carries out, so far as may be valid,
legal and enforceable, the intent and purpose of such invalid, illegal or unenforceable provision.

 

(i)                     
Specific Performance. Holder acknowledges that its obligations under this Agreement are unique, recognizes and affirms that in
the event of a breach of this Agreement by Holder, money damages will be inadequate and Pubco will have no adequate remedy at law,
and agrees that irreparable damage would occur in the event that any of the provisions of this Agreement were not performed by
Holder in accordance with their specific terms or were otherwise breached. Accordingly, each of Pubco and the Purchaser Representative
shall be entitled to an injunction or restraining order to prevent breaches of this Agreement by Holder and to enforce specifically
the terms and provisions hereof, without the requirement to post any bond or other security or to prove that money damages would
be inadequate, this being in addition to any other right or remedy to which such party may be entitled under this Agreement, at
law or in equity.

 

    

     

    

(j)                      
Entire Agreement. This Agreement constitutes the full and entire understanding and agreement among the parties with respect to
the subject matter hereof, and any other written or oral agreement relating to the subject matter hereof existing between the parties
is expressly canceled; provided, that, for the avoidance of doubt, the foregoing shall not affect the rights and obligations of
the parties under the Business Combination Agreement or any Ancillary Document. Notwithstanding the foregoing, nothing in this
Agreement shall limit any of the rights or remedies of Pubco and the Purchaser Representative or any of the obligations of Holder
under any other agreement between Holder and Pubco or the Purchaser Representative or any certificate or instrument executed by
Holder in favor of Pubco or the Purchaser Representative, and nothing in any other agreement, certificate or instrument shall limit
any of the rights or remedies of Pubco or the Purchaser Representative or any of the obligations of Holder under this Agreement.

 

(k)                     
Further Assurances. From time to time, at another party’s request and without further consideration (but at the requesting
party’s reasonable cost and expense), each party shall execute and deliver such additional documents and take all such further
action as may be reasonably necessary to consummate the transactions contemplated by this Agreement.

 

(l)                      
Counterparts; Facsimile. This Agreement may also be executed and delivered by facsimile signature or by email in portable document
format in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and
the same instrument.

 

{Remainder of Page Intentionally Left
Blank; Signature Pages Follow}

 

 

    

     

    

 

IN WITNESS WHEREOF, the parties have executed this Lock-Up
Agreement as of the date first written above.

 

Pubco:

 

UFIN TEK LIMITED

 

 

 

By:

Name: Yingkui Liu

Title: Director

 

 

The Purchaser

 

Representative:

 

 

 

Xiaoma Lu, solely in

the capacity under the Business

Combination Agreement as the

 

Purchaser Representative

 

 

 

{Additional Signature on the Following
Page}

 

    

     

    

 

IN WITNESS WHEREOF, the parties
have executed this Lock-Up Agreement as of the date first written above.

 

Holder:

 

Name of Holder:

 

By:

 

Name:

 

 

Number and Ordinary Shares of Pubco Owned:

 

Pubco Ordinary Shares:

 

 

Address for Notice:

 

Address:

 

 

 

 

 

Facsimile No:

 

 

Telephone No:

 

 

Email:Exhibit 10.2

 

FORM
OF LOCK-UP AGREEMENT

 

THIS
LOCK-UP AGREEMENT (this “Agreement”) is made and entered into as of _______________, 2020, by and among
(i) Ufin TeK Limited, a British Virgin Islands company (“Pubco”), (ii) Sherman Xiaoma Lu,
in the capacity under the Business Combination Agreement (as defined below) as the Purchaser Representative (including any successor
Purchaser Representative appointed in accordance therewith, the “Purchaser Representative”), and (iii)
the undersigned (“Holder”). Any capitalized term used but not defined in this Agreement will have the
meaning ascribed to such term in the Business Combination Agreement.

 

WHEREAS,
on September 18, 2020, East Stone Acquisition Corporation, a British Virgin Islands company (“Purchaser”),
the Purchaser Representative, Pubco, Ufin Mergerco Limited, a British Virgin Islands company and a wholly-owned subsidiary of
Pubco (“Merger Sub”), Ufin Holdings Limited, a corporation organized under the laws of Cayman Islands
(the “Company”), Yingkui Liu, in the capacity thereunder as the Seller Representative, and Ufin Investment
Limited, a British Virgin Islands with limited liability company (the “Seller”) entered into that certain
Business Combination Agreement (as amended from time to time in accordance with the terms thereof, the “Business Combination
Agreement”), pursuant to which, subject to the terms and conditions thereof, among other matters, (a) Merger Sub
will merge with and into Purchaser, with Purchaser continuing as the surviving entity (the “Merger”),
and as a result of which, (i) Purchaser will become a wholly-owned subsidiary of Pubco, and (ii) each issued and outstanding security
of Purchaser immediately prior to the effective time of the Merger will no longer be outstanding and will automatically be cancelled,
in exchange for the right of the holder thereof to receive a substantially equivalent security of Pubco and (b) Pubco will acquire
all of the issued and outstanding capital shares of the Company from the Seller in exchange for ordinary shares of Pubco (the
“Share Exchange ”), subject to the withholding of the Escrow Shares being deposited in the Escrow Account
in accordance with the terms and conditions of the Business Combination Agreement and the Escrow Agreement, all upon the terms
and subject to the conditions set forth in the Business Combination Agreement and in accordance with the provisions of applicable
law;

 

WHEREAS,
at the Closing of the transaction contemplated by the Business Combination Agreement (the “Closing”),
the Seller shall assign the Holder, as a Designated Share Recipient under the Business Combination Agreement, a number of Pubco
Ordinary Shares in such amounts as set forth underneath Holder’s name on the signature page hereto; and

 

WHEREAS,
pursuant to the Business Combination Agreement, and in view of the valuable consideration to be received by Holder thereunder,
the parties desire to enter into this Agreement, pursuant to which the Exchange Shares to be issued to Holder, including the Escrow
Shares and Earnout Shares allocated to the Holder (all such securities, together with any securities paid as dividends or distributions
with respect to such securities or into which such securities are exchanged or converted, the “Restricted Securities”)
shall become subject to limitations on disposition as set forth herein.

 

     

     

    

 

NOW,
THEREFORE, in consideration of the premises set forth above, which are incorporated in this Agreement as if fully set forth
below, and intending to be legally bound hereby, the parties hereby agree as follows:

 

1.
Lock-Up Provisions.

 

(a)
Holder hereby agrees not to, during the period (the “Lock-Up Period”) commencing from the Closing and
ending on the earlier of (x) the six (6) month anniversary of the date of the Closing, and (y) the date after the Closing on which
Pubco consummates a liquidation, merger, share exchange or other similar transaction with an unaffiliated third party that results
in all of Pubco’s shareholders having the right to exchange their equity holdings in Pubco for cash, securities or other
property: (i) lend, offer, pledge (except as provided herein below), hypothecate, encumber, donate, assign, 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, any Restricted Securities, (ii) enter into any swap or
other arrangement that transfers to another, in whole or in part, any of the economic consequences of ownership of the Restricted
Securities, or (iii) publicly disclose the intention to do any of the foregoing, whether any such transaction described in clauses
(i), (ii) or (iii) above is to be settled by delivery of Restricted Securities or other securities, in cash or otherwise (any
of the foregoing described in clauses (i), (ii) or (iii), a “Prohibited Transfer”). The foregoing sentence
shall not apply to the transfer of any or all of the Restricted Securities owned by Holder (other than Escrow Shares until such
Escrow Shares are disbursed to Holder from the Escrow Account in accordance with the terms and conditions of the Business Combination
Agreement and the Escrow Agreement) (I) by gift, will or intestate succession upon the death of Holder, (II) to any Permitted
Transferee (defined below), (III) pursuant to a court order or settlement agreement related to the distribution of assets in connection
with the dissolution of marriage or civil union or (IV) to Pubco in accordance with the requirements of the Business Combination
Agreement; provided, however, that in any of cases (I), (II) or (III) it shall be a condition to such transfer that the transferee
executes and delivers to Pubco and the Purchaser Representative an agreement stating that the transferee is receiving and holding
the Restricted Securities subject to the provisions of this Agreement applicable to Holder, and there shall be no further transfer
of such Restricted Securities except in accordance with this Agreement. As used in this Agreement, the term “Permitted
Transferee” shall mean: (A) the members of Holder’s immediate family (for purposes of this Agreement, “immediate
family” shall mean with respect to any natural person, any of the following: such person’s spouse, the siblings of
such person and his or her spouse, and the direct descendants and ascendants (including adopted and step children and parents)
of such person and his or her spouses and siblings), (B) any trust for the direct or indirect benefit of Holder or the immediate
family of Holder, (C) if Holder is a trust, to the trustor or beneficiary of such trust or to the estate of a beneficiary of such
trust, (D) if Holder is an entity, as a distribution to limited partners, shareholders, members of, or owners of similar equity
interests in Holder upon the liquidation and dissolution of Holder or (E) to any affiliate of Holder. Holder further agrees to
execute such agreements as may be reasonably requested by Pubco or the Purchaser Representative that are consistent with the foregoing
or that are necessary to give further effect thereto.

 

    2

     

    

 

(b)
Holder further acknowledges and agrees that it shall not be permitted to engage in any Prohibited Transfer with respect to any
Escrow Shares until such Escrow Shares are disbursed to Holder from the Escrow Account in accordance with the terms and conditions
of the Business Combination Agreement and the Escrow Agreement.

 

(c)
If any Prohibited Transfer is made or attempted contrary to the provisions of this Agreement, such purported Prohibited Transfer
shall be null and void ab initio, and Pubco shall refuse to recognize any such purported transferee of the Restricted Securities
as one of its equity holders for any purpose. In order to enforce this Section 1, Pubco may impose stop-transfer instructions
with respect to the Restricted Securities of Holder (and Permitted Transferees and assigns thereof) until the end of the Lock-Up
Period.

 

(d)
During the Lock-Up Period(and with respect to any Escrow Shares, if longer, during the period when such Escrow Shares are held
in the Escrow Account), each certificate evidencing any Restricted Securities shall be stamped or otherwise imprinted with a legend
in substantially the following form, in addition to any other applicable legends:

 

“THE
SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO RESTRICTIONS ON TRANSFER SET FORTH IN A LOCK-UP AGREEMENT, DATED AS
OF [__________], 2020, BY AND AMONG THE ISSUER OF SUCH SECURITIES (THE “ISSUER”), A CERTAIN REPRESENTATIVE OF THE
ISSUER NAMED THEREIN AND THE ISSUER’S SECURITY HOLDER NAMED THEREIN, AS AMENDED. A COPY OF SUCH LOCK-UP AGREEMENT WILL BE
FURNISHED WITHOUT CHARGE BY THE ISSUER TO THE HOLDER HEREOF UPON WRITTEN REQUEST.”

 

(e)
For the avoidance of any doubt, Holder shall retain all of its rights as a shareholder of Pubco with respect to the Restricted
Securities during the Lock-Up Period, including the right to vote any Restricted Securities, but subject to the obligations under
the Business Combination Agreement and the Escrow Agreement.

 

2.
Miscellaneous.

 

(a)
Termination of Business Combination Agreement. This Agreement shall be binding upon Holder upon Holder’s execution
and delivery of this Agreement, but this Agreement shall only become effective upon the Closing. Notwithstanding anything to the
contrary contained herein, in the event that the Business Combination Agreement is terminated in accordance with its terms prior
to the Closing, this Agreement shall automatically terminate and become null and void, and the parties shall not have any rights
or obligations hereunder.

 

    3

     

    

 

(b)
Binding Effect; Assignment. This Agreement and all of the provisions hereof shall be binding upon and inure to the benefit
of the parties hereto and their respective permitted successors and assigns. This Agreement and all obligations of Holder are
personal to Holder and may not be transferred or delegated by Holder at any time. Pubco may freely assign any or all of its rights
under this Agreement, in whole or in part, to any successor entity (whether by merger, consolidation, equity sale, asset sale
or otherwise) without obtaining the consent or approval of Holder (but from and after the Closing, the consent of the Purchaser
Representative shall be required). If the Purchaser Representative is replaced in accordance with the terms of the Business Combination
Agreement, the replacement Purchaser Representative shall automatically become a party to this Agreement as if it were the original
Purchaser Representative hereunder.

 

(c)
Third Parties. Nothing contained in this Agreement or in any instrument or document executed by any party in connection
with the transactions contemplated hereby shall create any rights in, or be deemed to have been executed for the benefit of, any
person or entity that is not a party hereto or thereto or a successor or permitted assign of such a party.

 

(d)
Governing Law; Jurisdiction. This Agreement and any dispute or controversy arising out of or relating to this Agreement
shall be governed by and construed in accordance with the laws of the State of New York, without regard to the conflict of law
principles thereof. All Actions arising out of or relating to this Agreement shall be heard and determined exclusively in any
state or federal court located in New York, New York (or in any appellate courts thereof) (the “Specified Courts”).
Each party hereto hereby (i) submits to the exclusive jurisdiction of any Specified Court for the purpose of any Action arising
out of or relating to this Agreement brought by any party hereto and (ii) irrevocably waives, and agrees not to assert by way
of motion, defense or otherwise, in any such Action, any claim that it is not subject personally to the jurisdiction of the above-named
courts, that its property is exempt or immune from attachment or execution, that the Action is brought in an inconvenient forum,
that the venue of the Action is improper, or that this Agreement or the transactions contemplated hereby may not be enforced in
or by any Specified Court. Each party agrees that a final judgment in any Action shall be conclusive and may be enforced in other
jurisdictions by suit on the judgment or in any other manner provided by Law. Each party irrevocably consents to the service of
the summons and complaint and any other process in any other action or proceeding relating to the transactions contemplated by
this Agreement, on behalf of itself, or its property, by personal delivery of copies of such process to such party at the applicable
address set forth in Section 2(g). Nothing in this Section 2(d) shall affect the right of any party to serve legal
process in any other manner permitted by applicable law.

 

(e)
WAIVER OF JURY TRIAL. EACH OF THE PARTIES HERETO HEREBY WAIVES TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW ANY RIGHT
IT MAY HAVE TO A TRIAL BY JURY WITH RESPECT TO ANY ACTION DIRECTLY OR INDIRECTLY ARISING OUT OF, UNDER OR IN CONNECTION WITH THIS
AGREEMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY. EACH PARTY HERETO (i) CERTIFIES THAT NO REPRESENTATIVE OF ANY OTHER PARTY HAS
REPRESENTED, EXPRESSLY OR OTHERWISE, THAT SUCH OTHER PARTY WOULD NOT, IN THE EVENT OF ANY ACTION, SEEK TO ENFORCE THAT FOREGOING
WAIVER AND (ii) ACKNOWLEDGES THAT IT AND THE OTHER PARTIES HERETO HAVE BEEN INDUCED TO ENTER INTO THIS AGREEMENT BY, AMONG OTHER
THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION 2(e).

 

(f)
Interpretation. The titles and subtitles used in this Agreement are for convenience only and are not to be considered in
construing or interpreting this Agreement. In this Agreement, unless the context otherwise requires: (i) any pronoun used in this
Agreement shall include the corresponding masculine, feminine or neuter forms, and the singular form of nouns, pronouns and verbs
shall include the plural and vice versa; (ii) “including” (and with correlative meaning “include”) means
including without limiting the generality of any description preceding or succeeding such term and shall be deemed in each case
to be followed by the words “without limitation”; (iii) the words “herein,” “hereto,” and
“hereby” and other words of similar import in this Agreement shall be deemed in each case to refer to this Agreement
as a whole and not to any particular section or other subdivision of this Agreement; and (iv) the term “or” means
“and/or”. The parties have participated jointly in the negotiation and drafting of this Agreement. Consequently, in
the event an ambiguity or question of intent or interpretation arises, this Agreement shall be construed as if drafted jointly
by the parties hereto, and no presumption or burden of proof shall arise favoring or disfavoring any party by virtue of the authorship
of any provision of this Agreement.

 

(g)
Notices. All notices, consents, waivers and other communications hereunder shall be in writing and shall be deemed to have
been duly given when delivered (i) in person, (ii) by facsimile or other electronic means, with affirmative confirmation of receipt,
(iii) one Business Day after being sent, if sent by reputable, nationally recognized overnight courier service or (iv) three (3)
Business Days after being mailed, if sent by registered or certified mail, pre-paid and return receipt requested, in each case
to the applicable party at the following addresses (or at such other address for a party as shall be specified by like notice):

 

    4

     

    

 

	If
                                         to the Purchaser Representative, to:

        Sherman
        Xiaoma Lu

         

        25
        Mall Road, Suite 330

        Burlington,
        MA 01803

        Attn:
        Sherman Xiaoma Lu, Chief Executive Officer

        Telephone
        No.: 781 202 9128

        Email:
        sherman@estonecapital.com

        Sherman
        Xiaoma Lu
	With
                                         a copy to (which shall not constitute notice):

         

        Ellenoff
        Grossman & Schole LLP

        1345
        Avenue of the Americas, 11th Floor

        New
        York, New York 10105

         

        Attn:
        Barry I. Grossman, Esq.

        Matthew
        A. Gray, Esq.

        Facsimile
        No.: (212) 370-7889

        Telephone
        No.: (212) 370-1300

        Email:
        bigrossman@egsllp.com

        mgray@egsllp.com

         

	If
                                         to Pubco at or prior to the Closing:

        UFIN
        Holdings Limited

        #417, Lippo Centre Tower 2,

        89
        Queensway

        Admiralty,
        Hong Kong

        Attention: Doris Wu

        Telephone No.:  +852 3107 0683

        Email:
        xujunhui@sinowel.com

         

        If
        to Pubco after the Closing:

        UFIN
        Holdings Limited

        #417, Lippo Centre Tower 2,

        89
        Queensway

        Admiralty,
        Hong Kong

        Attention: Doris Wu

        Telephone No.:  +852 3107 0683

        Email:
        xujunhui@sinowel.com

         

        
	with
                                         a copy (which will not constitute notice) to:

        Loeb
        & Loeb LLP

        Suite
        4301, Tower C, Beijing Yintai Center

        2
        Jianguomenwai Dajie, Chaoyang District

        100022,
        P.R. China

        Attn:
        Lawrence Venick, Esq.

         

        with
        a copy (which will not constitute notice) to:

        Loeb
        & Loeb LLP

        Suite
        4301, Tower C, Beijing Yintai Center

        Jianguomenwai
        Dajie, Chaoyang District

        100022,
        P.R. China

        Attn:
        Lawrence Venick, Esq.

         

        and
        the Purchaser Representative (and its copy for notice hereunder)

	If
to Holder, to:

        the
        address set forth below Holder’s name on the signature page to this Agreement
	 

        with
        a copy (which will not constitute notice) to:

         

        Loeb
        & Loeb LLP

        Suite
        4301, Tower C, Beijing Yintai Center

        2
        Jianguomenwai Dajie, Chaoyang District

        100022,
        P.R. China

        Attn:
        Lawrence Venick, Esq.

 

(h)
Amendments and Waivers. Any term of this Agreement may be amended and the observance of any term of this Agreement may
be waived (either generally or in a particular instance, and either retroactively or prospectively) only with the written consent
of Pubco, the Purchaser Representative and Holder. No failure or delay by a party in exercising any right hereunder shall operate
as a waiver thereof. No waivers of or exceptions to any term, condition, or provision of this Agreement, in any one or more instances,
shall be deemed to be or construed as a further or continuing waiver of any such term, condition, or provision.

 

(i)
Severability. In case any provision in this Agreement shall be held invalid, illegal or unenforceable in a jurisdiction,
such provision shall be modified or deleted, as to the jurisdiction involved, only to the extent necessary to render the same
valid, legal and enforceable, and the validity, legality and enforceability of the remaining provisions hereof shall not in any
way be affected or impaired thereby nor shall the validity, legality or enforceability of such provision be affected thereby in
any other jurisdiction. Upon such determination that any term or other provision is invalid, illegal or incapable of being enforced,
the parties will substitute for any invalid, illegal or unenforceable provision a suitable and equitable provision that carries
out, so far as may be valid, legal and enforceable, the intent and purpose of such invalid, illegal or unenforceable provision.

 

    5

     

    

 

(j)
Specific Performance. Holder acknowledges that its obligations under this Agreement are unique, recognizes and affirms
that in the event of a breach of this Agreement by Holder, money damages will be inadequate and Pubco will have no adequate remedy
at law, and agrees that irreparable damage would occur in the event that any of the provisions of this Agreement were not performed
by Holder in accordance with their specific terms or were otherwise breached. Accordingly, each of Pubco and the Purchaser Representative
shall be entitled to an injunction or restraining order to prevent breaches of this Agreement by Holder and to enforce specifically
the terms and provisions hereof, without the requirement to post any bond or other security or to prove that money damages would
be inadequate, this being in addition to any other right or remedy to which such party may be entitled under this Agreement, at
law or in equity.

 

(k)
Entire Agreement. This Agreement constitutes the full and entire understanding and agreement among the parties with respect
to the subject matter hereof, and any other written or oral agreement relating to the subject matter hereof existing between the
parties is expressly canceled; provided, that, for the avoidance of doubt, the foregoing shall not affect the rights and
obligations of the parties under the Business Combination Agreement or any Ancillary Document. Notwithstanding the foregoing,
nothing in this Agreement shall limit any of the rights or remedies of Pubco and the Purchaser Representative or any of the obligations
of Holder under any other agreement between Holder and Pubco or the Purchaser Representative or any certificate or instrument
executed by Holder in favor of Pubco or the Purchaser Representative, and nothing in any other agreement, certificate or instrument
shall limit any of the rights or remedies of Pubco or the Purchaser Representative or any of the obligations of Holder under this
Agreement.

 

(l)
Further Assurances. From time to time, at another party’s request and without further consideration (but at the requesting
party’s reasonable cost and expense), each party shall execute and deliver such additional documents and take all such further
action as may be reasonably necessary to consummate the transactions contemplated by this Agreement.

 

(m)
Counterparts; Facsimile. This Agreement may also be executed and delivered by facsimile signature or by email in portable
document format in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute
one and the same instrument.

 

{Remainder
of Page Intentionally Left Blank; Signature Pages Follow}

 

    6

     

    

 

IN
WITNESS WHEREOF, the parties have executed this Lock-Up Agreement as of the date first written above.

 

	 	Pubco:
	 	 	 
	 	UFIN
    TEK LIMITED
	 	 	 
	 	By:
    	
	 	Name:	 Yingkui
    Liu
	 	Title:	Director 
	 	 	 
	 	The
    Purchaser
	 	 	 
	 	Representative:
	 	 
	 	 
	 	 	 
	 	Xiaoma
    Lu, solely in
	 	the
    capacity under the Business
	 	Combination
    Agreement as the 
	 	Purchaser
    Representative

  

{Additional
Signature on the Following Page}

 

    7

     

    

 

IN
WITNESS WHEREOF, the parties have executed this Lock-Up Agreement as of the date first written above.

 

	Holder:	 
	 	 	 
	Name of Holder: 	 
	 	 	 
	By:	 	 
	Name: 	 
	 	 	 
	Number and Ordinary Shares of Pubco Owned:	 
	 	 	 
	Pubco Ordinary Shares:	 
	 	 
	 	 	 
	Address for Notice:	 
	 	 	 
	Address:	 
	 	 
	 	 
	 	 
	 	 	 
	Facsimile No:	 
	 	 
	 	 	 
	Telephone No:	 
	 	 
	 	 	 
	Email:	 
	 	 

 

 

8

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