Document:

Exhibit 10.2

 

SPONSOR SUPPORT AGREEMENT

 

This Sponsor Support
Agreement (this “Sponsor Agreement”) is dated as of February 23, 2021 by and among A-Star, a Cayman Islands
limited liability company (the “Sponsor Holdco”), the Persons set forth on Schedule I hereto (together
with the Sponsor Holdco, each, a “Sponsor” and, together, the “Sponsors”), one, a Cayman
Islands exempted company limited by shares (which shall domesticate as a Delaware corporation prior to the Closing (as defined
in the Merger Agreement (as defined below))) (“Acquiror”), and MarkForged, Inc., a Delaware corporation
(the “Company”). Capitalized terms used but not defined herein shall have the respective meanings ascribed to
such terms in the Merger Agreement.

 

RECITALS

 

WHEREAS, as of the date
hereof, the Sponsors collectively are the holders of record and the “beneficial owners” (within the meaning of Rule 13d-3
under the Exchange Act) of 5,375,000 Acquiror Class B Ordinary Shares and 3,150,000 Acquiror Private Placement Warrants in
the aggregate as set forth on Schedule I attached hereto;

 

WHEREAS, contemporaneously
with the execution and delivery of this Sponsor Agreement, Acquiror, Caspian Merger Sub Inc., a Delaware corporation and a direct
wholly owned Subsidiary of Acquiror (“Merger Sub”), and the Company have entered into an Agreement and Plan
of Merger (as amended or modified from time to time, the “Merger Agreement”), dated as of the date hereof, pursuant
to which, among other transactions, Merger Sub is to merge with and into the Company, with the Company continuing on as the surviving
entity, on the terms and conditions set forth therein; and

 

WHEREAS, as an inducement
to Acquiror and the Company to enter into the Merger Agreement and to consummate the transactions contemplated therein, the parties
hereto desire to agree to certain matters as set forth herein.

 

AGREEMENT

 

NOW, THEREFORE, in consideration
of the foregoing and the mutual agreements contained herein, and intending to be legally bound hereby, the parties hereto hereby
agree as follows:

 

ARTICLE I

 

SPONSOR
SUPPORT AGREEMENT; COVENANTS

 

Section 1.1     Binding
Effect of Merger Agreement. Each Sponsor hereby acknowledges that it has read the Merger Agreement and this Sponsor
Agreement and has had the opportunity to consult with its tax and legal advisors. Each Sponsor shall be bound by and comply
with Sections 7.4 (No Solicitation by Acquiror), 8.5 (Cooperation; Consultation) and 11.12 (Publicity)
of the Merger Agreement (and any relevant definitions contained in any such Sections) as if such Sponsor was an original
signatory to the Merger Agreement with respect to such provisions. The Sponsor HoldCo hereby consents to
Acquiror’s entry into the Merger Agreement and the Ancillary Agreements.

 

     

     

    

 

Section 1.2     No
Transfer. During the period commencing on the date hereof and ending on the earlier of (a) the Effective Time and (b) such
date and time as the Merger Agreement shall be terminated in accordance with Section 10.1 thereof (the earlier of clauses
(a) and (b), the “Expiration Time”), each Sponsor shall not (i) sell, offer to sell, contract or
agree to sell, hypothecate, pledge, grant any option to purchase or otherwise dispose of or agree to dispose of, directly or indirectly,
file (or participate in the filing of) a registration statement with the SEC (other than the Proxy Statement/Registration Statement)
or establish or increase a put equivalent position or liquidate or decrease a call equivalent position within the meaning of Section 16
of the Exchange Act, with respect to any Acquiror Ordinary Shares or Acquiror Warrants owned by such Sponsor, (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 any shares of Acquiror Ordinary Shares or Acquiror Warrants owned by such Sponsor (clauses (i) and (ii) collectively,
a “Transfer”) or (iii) publicly announce any intention to effect any transaction specified in clause (i) or
(ii); provided, however, that the foregoing shall not prohibit Transfers between such Sponsor and any Affiliate
of such Sponsor or Transfers among Sponsors and their respective Affiliates, so long as, prior to and as a condition to the effectiveness
of any such Transfer to an Affiliate, such Affiliate executes and delivers to Acquiror a joinder to this Agreement in the form
attached hereto as Annex A.

 

Section 1.3     New
Shares. In the event that (a) any Acquiror Ordinary Shares, Acquiror Warrants or other equity securities of Acquiror are
issued to a Sponsor after the date of this Sponsor Agreement pursuant to any stock dividend, stock split, recapitalization, reclassification,
combination or exchange of Acquiror Ordinary Shares or Acquiror Warrants of, on or affecting the Acquiror Ordinary Shares or Acquiror
Warrants owned by such Sponsor or otherwise, (b) a Sponsor purchases or otherwise acquires beneficial ownership of any Acquiror
Ordinary Shares, Acquiror Warrants or other equity securities of Acquiror after the date of this Sponsor Agreement, or (c) a
Sponsor acquires the right to vote or share in the voting of any Acquiror Ordinary Shares or other equity securities of Acquiror
after the date of this Sponsor Agreement (such Acquiror Ordinary Shares, Acquiror Warrants or other equity securities of Acquiror,
collectively the “New Securities”), then such New Securities acquired or purchased by such Sponsor shall be
subject to the terms of this Sponsor Agreement to the same extent as if they constituted the Acquiror Ordinary Shares or Acquiror
Warrants owned by such Sponsor as of the date hereof.

 

Section 1.4     Closing
Date Deliverables. On the Closing Date, each of the Sponsors shall deliver to Acquiror and the Company a duly executed copy
of that certain Registration Rights Agreement, by and among Acquiror, the Company, Sponsor Holdco, certain of the Company’s
stockholders or their respective Affiliates, as applicable, and the other holders party thereto, in substantially the form attached
as Exhibit C to the Merger Agreement.

 

Section 1.5     Sponsor
Support Agreements. (a)  At any meeting of the shareholders of Acquiror, however called, or at any adjournment
thereof, or in any other circumstance in which the vote, consent or other approval of the shareholders of Acquiror is sought,
each Sponsor shall (a) appear at each such meeting or otherwise cause all of its Acquiror Ordinary Shares to be counted
as present thereat for purposes of calculating a quorum and (b) vote (or cause to be voted), in person or by proxy, or
execute and deliver a written consent (or cause a written consent to be executed and delivered) covering, all of its Acquiror
Ordinary Shares (i) in favor of each Transaction Proposal, (ii) against any Business Combination Proposal or any
proposal relating to a Business Combination Proposal (in each case, other than the Transaction Proposals) and
(iii) against any proposal, action or agreement that would (A) impede, frustrate, prevent or nullify any provision
of this Agreement, the Merger Agreement or the Merger, (B) result in a breach in any respect of any covenant,
representation, warranty or any other obligation or agreement of Acquiror or Merger Sub under the Merger Agreement, or
(C) result in any of the conditions set forth in Article IX of the Merger Agreement not being fulfilled.

 

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(b)            Each
Sponsor shall comply with, and fully perform all of its obligations, covenants and agreements set forth in, that certain Letter
Agreement, dated as of August 17, 2020, by and among the Sponsors and Acquiror (the “Sponsor Letter Agreement”),
including without limitation the obligations of the Sponsors pursuant to Section 3 therein to not redeem any Acquiror Ordinary
Shares owned by such Sponsor in connection with the transactions contemplated by the Merger Agreement.

 

(c)            During
the period commencing on the date hereof and ending at the Expiration Time, each Sponsor shall not modify or amend any Contract
between or among such Sponsor, anyone related by blood, marriage or adoption to such Sponsor or any Affiliate of such Sponsor (other
than Acquiror or any of its Subsidiaries), on the one hand, and Acquiror or any of Acquiror’s Subsidiaries, on the other
hand, including, for the avoidance of doubt, the Sponsor Letter Agreement.

 

Section 1.6     Irrevocable
Proxy. Subject to the last sentence of this Section 1.6, and solely in the event of a failure by a Sponsor to act
in accordance with such Sponsor’s obligations as to voting pursuant to Section 1.5 hereof prior to the termination
of this Agreement and after being requested by the Acquiror, and such Sponsor fails to vote or consent for a period of three days
after such request, such Sponsor hereby grants a proxy appointing the Company as such Sponsor’s attorney-in-fact and proxy,
with full power of substitution, for and in such Sponsor’s name, to vote, express consent or dissent, or otherwise to utilize
such voting power in the manner contemplated by Section 1.5 above as the Company or its proxy or substitute shall deem
proper with respect to all of its Acquiror Ordinary Shares. Notwithstanding anything contained herein to the contrary, this irrevocable
proxy shall automatically terminate upon the termination of this Sponsor Agreement.

 

Section 1.7     Additional
Agreements.

 

(a)            Waiver
of Anti-dilution Protection. Each Sponsor hereby irrevocably (a) waives, subject to, and conditioned upon, the
occurrence of the Closing, to the fullest extent permitted by law and the Amended and Restated Memorandum and Articles of
Association of Acquiror, and (b) agrees not to assert or perfect, any rights to adjustment or other anti-dilution
protections with respect to the rate that the Acquiror Class B Ordinary Shares convert into Acquiror Class A
Ordinary Shares, solely in connection with the transactions contemplated by the Merger Agreement.

 

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(b)            Corporate
Opportunities. To the fullest extent permitted by applicable law, Acquiror, which will file a name change and appoint directors
pursuant to the Merger Agreement in connection with the Closing (as of the Closing, the “Corporation”), on behalf
of itself and its Subsidiaries, renounces any interest or expectancy of the Corporation and its Subsidiaries in, or in being offered
an opportunity to participate in, any business opportunities that are from time to time presented to the Sponsor Holdco or any
of its Affiliates or any of its or their agents, shareholders, members, partners, directors, officers, employees, Affiliates or
Subsidiaries (other than the Corporation and its Subsidiaries), including any director, board observer or officer of the Corporation
who is also an agent, shareholder, member, partner, director, officer, employee, Affiliate or Subsidiary of the Sponsor Holdco
(each, a “Business Opportunities Exempt Party”), even if the business opportunity is one that the Corporation
or its Subsidiaries might reasonably be deemed to have pursued or had the ability or desire to pursue if granted the opportunity
to do so, and no Business Opportunities Exempt Party shall have any duty to communicate or offer any such business opportunity
to the Corporation or be liable to the Corporation or any of its Subsidiaries or any stockholder, including for breach of any fiduciary
or other duty, as a director, board observer or officer or controlling stockholder or otherwise, and the Corporation shall indemnify
each Business Opportunities Exempt Party against any claim that such Person is liable to the Corporation or its stockholders for
breach of any fiduciary duty, by reason of the fact that such Person (i) participates in, pursues or acquires any such business
opportunity, (ii) directs any such business opportunity to another Person or (iii) fails to present any such business
opportunity, or information regarding any such business opportunity, to the Corporation or its Subsidiaries, unless, in the case
of a Person who is a director or officer of the Corporation, such business opportunity is expressly offered to such director or
officer in writing solely in his or her capacity as a director or officer of the Corporation.

 

Section 1.8     Further
Assurances. Each Sponsor shall take, or cause to be taken, all actions and do, or cause to be done, all things reasonably necessary
under applicable Laws to consummate the Merger and the other transactions contemplated by the Merger Agreement on the terms and
subject to the conditions set forth therein and herein.

 

Section 1.9     No
Inconsistent Agreement. Each Sponsor hereby represents and covenants that such Sponsor has not entered into, and shall not
enter into, any agreement that would restrict, limit or interfere with the performance of such Sponsor’s obligations hereunder.

 

ARTICLE II

 

REPRESENTATIONS
AND WARRANTIES

 

Section 2.1     Representations
and Warranties of the Sponsors. Each Sponsor represents and warrants as of the date hereof to Acquiror and the Company (solely
with respect to itself, himself or herself and not with respect to any other Sponsor) as follows:

 

(a)            Organization;
Due Authorization. If such Sponsor is not an individual, it is duly organized, validly existing and in good standing under
the Laws of the jurisdiction in which it is incorporated, formed, organized or constituted, and the execution, delivery and performance
of this Sponsor Agreement and the consummation of the transactions contemplated hereby are within such Sponsor’s corporate,
limited liability company or organizational powers and have been duly authorized by all necessary corporate, limited liability
company or organizational actions on the part of such Sponsor. If such Sponsor is an individual, such Sponsor has full legal capacity,
right and authority to execute and deliver this Sponsor Agreement and to perform his or her obligations hereunder. This Sponsor
Agreement has been duly executed and delivered by such Sponsor and, assuming due authorization, execution and delivery by the other
parties to this Sponsor Agreement, this Sponsor Agreement constitutes a legally valid and binding obligation of such Sponsor, enforceable
against such Sponsor in accordance with the terms hereof (except as enforceability may be limited by bankruptcy Laws, other similar
Laws affecting creditors’ rights and general principles of equity affecting the availability of specific performance and
other equitable remedies). If this Sponsor Agreement is being executed in a representative or fiduciary capacity, the Person signing
this Sponsor Agreement has full power and authority to enter into this Sponsor Agreement on behalf of the applicable Sponsor.

 

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(b)            Ownership.
Such Sponsor is the record and beneficial owner (within the meaning of Rule 13d-3 under the Exchange Act) of, and has good
title to, all of such Sponsor’s Acquiror Ordinary Shares and Acquiror Warrants, and there exist no Liens or any other limitation
or restriction (including any restriction on the right to vote, sell or otherwise dispose of such Acquiror Ordinary Shares or Acquiror
Warrants (other than transfer restrictions under the Securities Act)) affecting any such Acquiror Ordinary Shares or Acquiror Warrants,
other than Liens pursuant to (i) this Sponsor Agreement, (ii) the Acquiror Governing Documents, (iii) the Merger
Agreement, (iv) the Sponsor Letter Agreement or (v) any applicable securities Laws. Such Sponsor’s Acquiror Ordinary
Shares and Acquiror Warrants are the only equity securities in Acquiror owned of record or beneficially by such Sponsor on the
date of this Sponsor Agreement, and none of such Sponsor’s Acquiror Ordinary Shares or Acquiror Warrants are subject to any
proxy, voting trust or other agreement or arrangement with respect to the voting of such Acquiror Ordinary Shares or Acquiror Warrants,
except as provided hereunder and under the Sponsor Letter Agreement. Other than the Acquiror Warrants, such Sponsor does not hold
or own any rights to acquire (directly or indirectly) any equity securities of Acquiror or any equity securities convertible into,
or which can be exchanged for, equity securities of Acquiror.

 

(c)            No
Conflicts. The execution and delivery of this Sponsor Agreement by such Sponsor does not, and the performance by such Sponsor
of his, her or its obligations hereunder will not, (i) if such Sponsor is not an individual, conflict with or result in a
violation of the organizational documents of such Sponsor or (ii) require any consent or approval that has not been given
or other action that has not been taken by any Person (including under any Contract binding upon such Sponsor or such Sponsor’s
Acquiror Ordinary Shares or Acquiror Warrants), in each case, to the extent such consent, approval or other action would prevent,
enjoin or materially delay the performance by such Sponsor of its, his or her obligations under this Sponsor Agreement.

 

(d)            Litigation.
There are no Actions pending against such Sponsor, or to the knowledge of such Sponsor threatened against such Sponsor, before
(or, in the case of threatened Actions, that would be before) any arbitrator or any Governmental Authority, which in any manner
challenges or seeks to prevent, enjoin or materially delay the performance by such Sponsor of its, his or her obligations under
this Sponsor Agreement.

 

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(e)            Brokerage
Fees. Except as described on Section 5.15 of the Acquiror Disclosure Letter, no broker, finder, investment banker or other
Person is entitled to any brokerage fee, finders’ fee or other commission in connection with the transactions contemplated
by the Merger Agreement based upon arrangements made by such Sponsor, for which Acquiror or any of its Affiliates may become liable.

 

(f)            Affiliate
Arrangements. Except as set forth on Schedule II attached hereto, neither such Sponsor nor any anyone related by blood,
marriage or adoption to such Sponsor or, to the knowledge of such Sponsor, any Person in which such Sponsor has a direct or indirect
legal, contractual or beneficial ownership of 5% or greater is party to, or has any rights with respect to or arising from, any
Contract with Acquiror or its Subsidiaries.

 

(g)            Acknowledgment.
Such Sponsor understands and acknowledges that each of Acquiror and the Company is entering into the Merger Agreement in reliance
upon such Sponsor’s execution and delivery of this Sponsor Agreement.

 

(h)            No
Other Representations or Warranties. Except for the representations and warranties made by the Sponsors in this Article II,
no Sponsor nor any other Person makes any express or implied representation or warranty to Acquiror or the Company in connection
with this Agreement or the transactions contemplated by this Agreement, and each Sponsor expressly disclaims any such other representations
or warranties.

 

ARTICLE III

EARNOUT

 

Section 3.1     Sponsor
Holdco Earnout Shares. The Sponsor Holdco agrees that, in connection with the Merger and the transactions contemplated thereby,
2,610,000 of the 5,220,000 shares of Domesticated Acquiror Common Stock held by it as a result of the conversion of Acquiror Class B
Ordinary Shares into Domesticated Acquiror Common Stock in connection with the Domestication (the “Sponsor Holdco Earnout
Shares”), shall, concurrently with the Closing, have the Legend (as defined below) affixed to them and be held subject
to the terms and conditions of this Article III.

 

Section 3.2     Legend.
The books and records of Acquiror evidencing the Sponsor Holdco Earnout Shares shall be stamped or otherwise imprinted with a
legend (the “Legend”) in substantially the following form:

 

THE SECURITIES
EVIDENCED HEREIN ARE SUBJECT TO RESTRICTIONS ON TRANSFER, AND CERTAIN OTHER AGREEMENTS, SET FORTH IN THE SPONSOR SUPPORT
AGREEMENT, DATED AS OF FEBRUARY 23, 2021, BY AND AMONG ONE AND THE OTHER PARTIES THERETO.

 

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Section 3.3     Procedures
Applicable to the Sponsor Holdco Earnout Shares.

 

(a)            As
soon as practicable, and in any event within five (5) Business Days after the occurrence of a Sponsor Earnout Triggering Event
(as defined below), Acquiror shall remove, or cause to be removed, the Legend from the books and records of Acquiror evidencing
the Sponsor Holdco Earnout Shares with respect to which a Sponsor Earnout Triggering Event has occurred, and such shares shall
no longer be subject to any of the terms of this Article III (any such removal of a Legend and other restrictions,
a “Release”).

 

(b)            The
Sponsor Holdco shall not Transfer any Sponsor Holdco Earnout Shares until the later of (i) the date on which the relevant
vesting triggers have been satisfied as described in Section 3.4 below and the Legend on such shares has been removed
from such shares and (ii) the date on which the Sponsor Holdco Earnout Shares are no longer subject to the transfer restrictions
set forth in the Lock-Up Agreement (other than in connection with Transfers permitted thereunder).

 

(c)            Any
Sponsor Holdco Earnout Shares not eligible for Release in accordance with the terms of Section 3.4 on or before the
fifth (5th) anniversary of the Closing Date (the “Earnout Lockup Period”) shall immediately thereafter
be forfeited to Acquiror and canceled and Sponsor Holdco shall not have any rights with respect thereto (the “Forfeiture”).

 

Section 3.4     Release
of Sponsor Holdco Earnout Shares. The Sponsor Holdco Earnout Shares shall be Released as follows (each such event, a “Sponsor
Earnout Triggering Event”):

 

(a)            fifty
percent (50%) of the Sponsor Holdco Earnout Shares will be Released (and the restrictions contained in this Article III
shall no longer apply to such shares) if the volume-weighted average trading sale price of one share of Domesticated Acquiror Common
Stock quoted on the NYSE (or the exchange on which the shares of Domesticated Acquiror Common Stock are then listed) equals or
exceeds $12.50 for any twenty (20) Trading Days within any thirty (30) consecutive Trading-Day period commencing after the Closing
Date; and

 

(b)            fifty
percent (50%) of the Sponsor Holdco Earnout Shares will be Released (and the restrictions contained in this Article III
shall no longer apply to such shares) if the volume-weighted average trading sale price of one share of Domesticated Acquiror Common
Stock quoted on the NYSE (or the exchange on which the shares of Domesticated Acquiror Common Stock are then listed) equals or
exceeds $15.00 for any twenty (20) Trading Days within any thirty (30) consecutive Trading-Day period commencing after the Closing
Date.

 

Section 3.5     Release
Upon Change of Control. If, during the Earnout Lockup Period, a Change of Control occurs, then immediately prior to the consummation
of such Change of Control, Acquiror shall Release or cause to be Released all of the Sponsor Holdco Earnout Shares.

 

Section 3.6     Release
upon Liquidation and Other Events. If, during the Earnout Lockup Period, (i) any liquidation, dissolution or winding up
of Acquiror is initiated, (ii) any bankruptcy, dissolution or liquidation proceeding is instituted by or against Acquiror
or (iii) Acquiror makes an assignment for the benefit of creditors or consents to the appointment of a custodian, receiver
or trustee for all or a substantial part of its assets or properties, any Sponsor Holdco Earnout Shares not previously Released
pursuant to this Article III shall be Released or caused to be Released to Sponsor Holdco.

 

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Section 3.7     Equitable
Adjustments. The Sponsor Earnout Triggering Event price targets set forth above, and the number of Sponsor Holdco Earnout Shares
Released in each event, as provided in this Article III, shall be equitably adjusted for stock splits, reverse stock
splits, stock dividends, reorganizations, recapitalizations, reclassifications, combination, exchange of shares or other like change
or transaction with respect to Domesticated Acquiror Common Stock occurring on or after the Closing (other than the conversion
of the Acquiror Class B Ordinary Shares into Domesticated Acquiror Common Stock at the Closing).

 

Section 3.8     Application
of Article III. For the avoidance of doubt, nothing in this Article III shall be deemed to affect any shares
of Domesticated Acquiror Common Stock owned of record or beneficially by any of the Sponsors other than the Sponsor Holdco Earnout
Shares, and all rights and obligations of the Sponsors with respect to all shares of Domesticated Acquiror Common Stock owned by
them, other than the Sponsor Holdco Earnout Shares, will remain intact.

 

ARTICLE IV

MISCELLANEOUS

 

Section 4.1     Termination.
This Sponsor Agreement and the applicable provisions set forth herein shall terminate and be of no further force or effect upon
the earliest to occur of (a) the termination of the Merger Agreement in accordance with Section 10 thereof, (b) the
Expiration Time (with regard to the provisions set forth in Article I and Article II hereof, other than
Section 1.7(b)), and (c) the written agreement of Sponsor Holdco, Acquiror, and the Company to terminate this
Sponsor Agreement. In the event that the Effective Time occurs, the provisions of Article III hereof shall remain
in full force and effect until and through the Forfeiture, and Section 1.7(b) shall survive the Effective Time
in accordance with its terms. Upon the termination of this Sponsor Agreement, all obligations of the parties under this Sponsor
Agreement will terminate, without any liability or other obligation on the part of any party hereto to any Person in respect hereof
or the transactions contemplated hereby, and no party hereto shall have any claim against another (and no Person shall have any
rights against such party), whether under contract, tort or otherwise, with respect to the subject matter hereof; provided,
however, that the termination of this Sponsor Agreement shall not relieve any party hereto from liability arising in respect
of any breach of this Sponsor Agreement prior to such termination. This Article IV shall survive the termination of
this Agreement.

 

Section 4.2     Governing
Law. This Sponsor Agreement, and all claims or causes of action (whether in contract or tort) that may be based upon, arise
out of or relate to this Sponsor Agreement or the negotiation, execution or performance of this Sponsor Agreement (including any
claim or cause of action based upon, arising out of or related to any representation or warranty made in or in connection with
this Sponsor Agreement) will be governed by and construed in accordance with the internal Laws of the State of Delaware applicable
to agreements executed and performed entirely within such State.

 

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Section 4.3     CONSENT
TO JURISDICTION AND SERVICE OF PROCESS; WAIVER OF JURY TRIAL. (a)  THE PARTIES TO THIS SPONSOR AGREEMENT SUBMIT
TO THE EXCLUSIVE JURISDICTION OF THE STATE COURTS LOCATED IN WILMINGTON, DELAWARE OR THE COURTS OF THE UNITED STATES LOCATED IN
WILMINGTON, DELAWARE IN RESPECT OF THE INTERPRETATION AND ENFORCEMENT OF THE PROVISIONS OF THIS SPONSOR AGREEMENT AND ANY RELATED
AGREEMENT, CERTIFICATE OR OTHER DOCUMENT DELIVERED IN CONNECTION HEREWITH AND BY THIS SPONSOR AGREEMENT WAIVE, AND AGREE NOT TO
ASSERT, ANY DEFENSE IN ANY ACTION FOR THE INTERPRETATION OR ENFORCEMENT OF THIS SPONSOR AGREEMENT AND ANY RELATED AGREEMENT, CERTIFICATE
OR OTHER DOCUMENT DELIVERED IN CONNECTION HEREWITH, THAT THEY ARE NOT SUBJECT THERETO OR THAT SUCH ACTION MAY NOT BE BROUGHT
OR IS NOT MAINTAINABLE IN SUCH COURTS OR THAT THIS SPONSOR AGREEMENT MAY NOT BE ENFORCED IN OR BY SUCH COURTS OR THAT THEIR
PROPERTY IS EXEMPT OR IMMUNE FROM EXECUTION, THAT THE ACTION IS BROUGHT IN AN INCONVENIENT FORUM, OR THAT THE VENUE OF THE ACTION
IS IMPROPER. SERVICE OF PROCESS WITH RESPECT THERETO MAY BE MADE UPON ANY PARTY TO THIS SPONSOR AGREEMENT BY MAILING A COPY
THEREOF BY REGISTERED OR CERTIFIED MAIL, POSTAGE PREPAID, TO SUCH PARTY AT ITS ADDRESS AS PROVIDED IN SECTION 4.8.

 

(b)            WAIVER
OF TRIAL BY JURY. EACH PARTY HERETO HEREBY ACKNOWLEDGES AND AGREES THAT ANY CONTROVERSY WHICH MAY ARISE UNDER THIS
SPONSOR AGREEMENT IS LIKELY TO INVOLVE COMPLICATED AND DIFFICULT ISSUES, AND THEREFORE EACH SUCH PARTY HEREBY IRREVOCABLY AND
UNCONDITIONALLY WAIVES ANY RIGHT SUCH PARTY MAY HAVE TO A TRIAL BY JURY IN RESPECT OF ANY LITIGATION DIRECTLY OR
INDIRECTLY ARISING OUT OF OR RELATING TO THIS SPONSOR AGREEMENT OR THE TRANSACTIONS CONTEMPLATED BY THIS SPONSOR AGREEMENT.
EACH PARTY CERTIFIES AND ACKNOWLEDGES THAT (I) NO REPRESENTATIVE, AGENT OR ATTORNEY OF ANY OTHER PARTY HAS REPRESENTED,
EXPRESSLY OR OTHERWISE, THAT SUCH OTHER PARTY WOULD NOT, IN THE EVENT OF LITIGATION, SEEK TO ENFORCE THE FOREGOING
WAIVER, (II) EACH SUCH PARTY UNDERSTANDS AND HAS CONSIDERED THE IMPLICATIONS OF THIS WAIVER, (III) EACH SUCH PARTY
MAKES THIS WAIVER VOLUNTARILY, AND (IV) EACH SUCH PARTY HAS BEEN INDUCED TO ENTER INTO THIS SPONSOR AGREEMENT BY, AMONG
OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION 4.3.

 

Section 4.4     Assignment.
This Sponsor Agreement and all of the provisions hereof will be binding upon and inure to the benefit of the parties hereto and
their respective heirs, successors and permitted assigns. Neither this Sponsor Agreement nor any of the rights, interests or obligations
hereunder will be assigned (including by operation of law) without the prior written consent of all of the other parties hereto.

 

Section 4.5     Specific
Performance. The parties hereto agree that irreparable damage may occur in the event that any of the provisions of this Sponsor
Agreement were not performed in accordance with their specific terms or were otherwise breached. It is accordingly agreed that
the parties hereto shall be entitled to seek an injunction or injunctions to prevent breaches of this Sponsor Agreement and to
enforce specifically the terms and provisions of this Sponsor Agreement in the chancery court or any other state or federal court
within the State of Delaware, this being in addition to any other remedy to which such party is entitled at law or in equity.

 

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Section 4.6     Amendment.
This Sponsor Agreement may not be amended, changed, supplemented, waived or otherwise modified or terminated, except upon the execution
and delivery of a written agreement executed by Acquiror, the Company and the Sponsor Holdco.

 

Section 4.7     Severability.
If any provision of this Sponsor Agreement is held invalid or unenforceable by any court of competent jurisdiction, the other provisions
of this Sponsor Agreement will remain in full force and effect. Any provision of this Sponsor Agreement held invalid or unenforceable
only in part or degree will remain in full force and effect to the extent not held invalid or unenforceable.

 

Section 4.8     Disclosure.
Each Sponsor hereby authorizes Acquiror and the Company to publish and disclose in any announcement or disclosure required by the
SEC the Sponsor’s identity and ownership of the Acquiror Ordinary Shares and the nature of the Sponsor’s obligations
under this Sponsor Agreement.

 

Section 4.9     Notices.
All notices and other communications among the parties hereto shall be in writing and shall be deemed to have been duly given
(a) when delivered in person, (b) when delivered after posting in the United States mail having been sent registered
or certified mail return receipt requested, postage prepaid, (c) when delivered by FedEx or other nationally recognized overnight
delivery service or (d) when e-mailed during normal business hours (and otherwise as of the immediately following Business
Day), addressed as follows:

 

If to Acquiror:

 

	one
	16 Funston Avenue, Suite A
	San Francisco, California 94129
	Attention:	Troy B. Steckenrider III, Chief Financial Officer
	Email:	legal@a-star.co

 

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

 

	Cadwalader, Wickersham & Taft LLP
	200 Liberty Street
	New York, New York 10281
	Attention:	Stephen Fraidin
	 	Andrew Alin
	 	Niral Shah
	Email:	stephen.fraidin@cwt.com
	 	andrew.alin@cwt.com
	 	niral.shah@cwt.com

 

    -10-

     

    

 

If to the Company:

 

	MarkForged, Inc.
	 
	480 Pleasant Street
	Watertown, Massachusetts 02472
	Attention: 	Stephen Karp, General Counsel
	Email: Stephen.Karp@markforged.com
	 
	with a copy to (which shall not constitute notice):
	 
	Goodwin Procter LLP
	100 Northern Avenue
	Boston, Massachusetts 02210
	Attention:	Kenneth J. Gordon
	 	Michael J. Minahan
	 	Michael R. Patrone
	Email:	kgordon@goodwinlaw.com
	 	mminahan@goodwinlaw.com
	 	mpatrone@goodwinlaw.com
	 
	If to a Sponsor, to such Sponsor, c/o:
	 
	A-Star
	16 Funston Avenue, Suite A
	San Francisco, California 94129
	Attention:	Troy B. Steckenrider III
	Email:	legal@a-star.co
	 
	with a copy to (which will not constitute notice):
	 
	Cadwalader, Wickersham & Taft LLP
	200 Liberty Street
	New York, New York 10281
	Attention:	Stephen Fraidin
	 	Andrew Alin
	 	Niral Shah
	Email: 	stephen.fraidin@cwt.com
	 	andrew.alin@cwt.com
	 	niral.shah@cwt.com

 

Section 4.10     Counterparts.
This Sponsor Agreement may be executed in two or more counterparts (any of which may be delivered by electronic transmission),
each of which shall constitute an original, and all of which taken together shall constitute one and the same instrument. Counterparts
may be delivered via electronic mail (including pdf or any electronic signature complying with the U.S. federal ESIGN Act of 2000,
e.g., www.docusign.com) or other transmission method and any counterpart so delivered shall be deemed to have been duly and validly
delivered and be valid and effective for all purposes.

 

    -11-

     

    

 

Section 4.11     Entire
Agreement. This Sponsor Agreement and the agreements referenced herein constitute the entire agreement and understanding of
the parties hereto in respect of the subject matter hereof and supersede all prior understandings, agreements or representations
by or among the parties hereto to the extent they relate in any way to the subject matter hereof.

 

Section 4.12     Fiduciary
Duties. Notwithstanding anything in this Sponsor Agreement to the contrary, (a) each Sponsor makes no agreement or understanding
herein in any capacity other than in its capacity as a record holder and beneficial owner of the Acquiror Class B Ordinary
Shares and (b) nothing herein will be construed to limit or affect any action or inaction by any Sponsor in its capacity
as a member of the board of directors (or other similar governing body) of Acquiror or any of its Affiliates or as an officer,
employee or fiduciary of Acquiror or any of its Affiliates, in each case, acting in such Person’s capacity as a director,
officer, employee or fiduciary of Acquiror or such Affiliate.

 

[THE REMAINDER OF THIS PAGE IS INTENTIONALLY
BLANK]

 

    -12-

     

    

 

IN WITNESS WHEREOF,
the Sponsors, Acquiror, and the Company have each caused this Sponsor Agreement to be duly executed as of the date first written
above.

 

		SPONSORS: 
	 	 	 
		A-STAR 
	 	 
	 	By:	/s/ Troy B. Steckenrider III
	 	 	Name:
    Troy B. Steckenrider III
	 	 	Title:
    Manager
	 	 	 
	 	/s/ Troy B. Steckenrider III
	 	Name:
    Troy B. Steckenrider III
	 	 
	 	/s/
    Kevin E. Hartz
	 	Name:
    Kevin E. Hartz
	 	 
	 	/s/ Gautam Gupta
	 	Name:
    Gautam Gupta
	 	 
	 	/s/ Eugene Lipkin
	 	Name:
    Eugene Lipkin
	 	 
	 	/s/ Laura de Petra
	 	Name:
    Laura de Petra
	 	 
	 	/s/ Pierre Lamond
	 	Name:
    Pierre Lamond
	 	 
	 	/s/ Michelle Gill
	 	Name:
    Michelle Gill
	 	 
	 	/s/ Lachy Groom
	 	Name:
    Lachy Groom
	 	 
	 	/s/ Catherine Spear
	 	Name:
    Catherine Spear

 

[Signature Page to Sponsor Support Agreement]

 

     

     

    

 

		ACQUIROR:
	 	 	 
	 	ONE
	 	 	 
		By:	/s/ Kevin E. Hartz
	 	 	Name: Kevin E. Hartz
	 	 	Title: Chief Executive Officer

 

[Signature Page to Sponsor Support Agreement]

 

     

     

    

 

		COMPANY:
	 	 	 
	 	MARKFORGED, INC.
	 	 	 
		By:	/s/ Shai Terem
	 	 	Name: Shai Terem
	 	 	Title: President and Chief Executive Officer

 

[Signature Page to Sponsor Support Agreement]

 

     

     

    

 

Schedule I

 

Sponsor Acquiror Common Shares and Acquiror
Warrants

 
	Sponsor	 	Acquiror Common
 Shares	 	 	Acquiror Warrants	 
	A-Star  	 	 	5,220,000	 	 	 	3,150,000	 
	Kevin E. Hartz  	 	 	—	(1)	 	 	—	(1)
	Eugene Lipkin  	 	 	—	(1)	 	 	—	(1)
	Troy B. Steckenrider III  	 	 	—	(1)	 	 	—	(1)
	Gautam Gupta  	 	 	25,000 	(1)	 	 	—	(1)
	Laura de Petra  	 	 	25,000	 	 	 	—	 
	Pierre Lamond  	 	 	30,000	 	 	 	—	 
	Michelle Gill  	 	 	25,000	 	 	 	—	 
	Lachy Groom  	 	 	25,000	 	 	 	—	 
	Trina Spear  	 	 	25,000	 	 	 	—	 

 

 

		(1)	Messrs. Hartz, Lipkin, Steckenrider and Gupta may be deemed to beneficially own securities
held by A-Star by virtue of their shared control over A-Star. Each of Messrs. Hartz, Lipkin, Steckenrider and Gupta disclaims
beneficial ownership of securities held by A-Star.

 

[Schedule I to Sponsor Support Agreement]

 

     

     

    

 

Schedule II

 

Affiliate Agreements

 

		1.	Letter Agreement, dated August 17, 2020, among one, A-Star, Eugene Miles Lipkin, Troy Bennet
Steckenrider III, Pierre Lamond, Michelle Gill, Lachy Groom, Gauta Gupta and Catherine Spear.
		2.	Registration and Shareholder Rights Agreement, dated August 17, 2020, among one, A-Star, Eugene
Miles Lipkin, Troy Bennet Steckenrider III, Pierre Lamond, Michelle Gill, Lachy Groom, Gauta Gupta and Catherine Spear.
		3.	Administrative Services Agreement, dated August 17, 2020, between Acquiror and A-Star.
		4.	Private Placement Warrants Purchase Agreement, dated August 17, 2020, between Acquiror and
A-Star.

 

[Schedule II to Sponsor Support Agreement]

 

     

     

    

 

Annex A

 

Form of Joinder Agreement

 

This
Joinder Agreement (this “Joinder Agreement”) is made as of the date written below by the undersigned (the “Joining
Party”) in accordance with the Sponsor Support Agreement, dated as of [l],
2021 (as amended, supplemented or otherwise modified from time to time, the “Sponsor Agreement”), by and among
one, a Cayman Islands exempted company limited by shares (which shall migrate to and domesticate as a Delaware corporation), MarkForged, Inc.,
a Delaware corporation, and the Sponsors set forth on Schedule I thereto. Capitalized terms used herein and not otherwise
defined shall have the meaning ascribed to them in the Support Agreement.

 

The Joining Party hereby acknowledges,
agrees and confirms that, by its execution of this Joinder Agreement, the Joining Party shall be deemed to be a party to, and a
 “Sponsor” under, the Support Agreement as of the date hereof and shall have all of the rights and obligations of a
Sponsor as if it had executed the Support Agreement. The Joining Party hereby ratifies, as of the date hereof, and agrees to be
bound by, all of the terms, provisions and conditions contained in the Support Agreement.

 

IN WITNESS WHEREOF, the undersigned has
duly executed this Joinder Agreement as of the date written below.

 

Date:
[l], 2021

 

	 	By:	 
	 	 	Name:
	 	 	Title:

 

	 	Address for Notices:
	 	 
	 	With copies to:

 

[Annex A to Sponsor Support Agreement]Exhibit 10.3

 

STOCKHOLDER SUPPORT AGREEMENT

 

This Stockholder Support
Agreement (this “Agreement”) is dated as of February 23, 2021, by and among one, a Cayman Islands exempted
company limited by shares (which shall domesticate as a Delaware corporation prior to the Closing (as defined in the Merger Agreement
(as defined below)) (“Acquiror”), the Persons set forth on Schedule I hereto (each, a “Company
Stockholder” and, collectively, the “Company Stockholders”), and MarkForged, Inc., a Delaware
corporation (the “Company”). Capitalized terms used but not defined herein shall have the respective meanings
ascribed to such terms in the Merger Agreement (as defined below).

 

RECITALS

 

WHEREAS, as of the date
hereof, the Company Stockholders are the holders of record and the “beneficial owners” (within the meaning of Rule 13d-3
under the Exchange Act) of such number of shares of such classes or series of Company Capital Stock as are indicated opposite each
of their names on Schedule I attached hereto (all such shares of Company Capital Stock, together with any shares of
Company Capital Stock of which ownership of record or the power to vote (including, without limitation, by proxy or power of attorney)
are hereafter acquired by any such Company Stockholder during the period from the date hereof through the Expiration Time (as defined
below) are referred to herein as the “Subject Shares”);

 

WHEREAS, contemporaneously
with the execution and delivery of this Agreement, Acquiror, Caspian Merger Sub Inc., a Delaware corporation and a direct wholly-owned
subsidiary of Acquiror (“Merger Sub”), and the Company, have entered into an Agreement and Plan of Merger (as
amended or modified from time to time, the “Merger Agreement”), dated as of the date hereof, pursuant to which,
among other transactions, Merger Sub is to merge with and into the Company, with the Company continuing as the surviving entity
and a wholly owned subsidiary of Acquiror on the terms and conditions set forth therein (the “Merger”); and

 

WHEREAS, as an inducement
to Acquiror and the Company to enter into the Merger Agreement and to consummate the transactions contemplated therein, the parties
hereto desire to agree to certain matters as set forth herein.

 

AGREEMENT

 

NOW, THEREFORE, in consideration
of the foregoing and the mutual agreements contained herein, and intending to be legally bound hereby, the parties hereto hereby
agree as follows:

 

ARTICLE I

 

STOCKHOLDER
SUPPORT AGREEMENT; COVENANTS

 

Section 1.1     Binding
Effect of Merger Agreement. Each Company Stockholder hereby acknowledges that it has read the Merger Agreement and this
Agreement and has had the opportunity to consult with its tax and legal advisors. Each Company Stockholder shall be
bound by and comply with Sections 6.5 (Acquisition Proposals) in respect of Acquisition Proposals regarding the Company and
11.12 (Publicity) of the Merger Agreement (and any relevant definitions contained in any such Sections) as if (a) such
Company Stockholder was an original signatory to the Merger Agreement with respect to such provisions, and (b) each
reference to the “Company” contained in Section 6.5 of the Merger Agreement (other than
Section 6.5(i) or Section 6.5(iii) or for purposes of the definition of Acquisition Proposal) also
referred to each such Company Stockholder.

 

     

     

    

 

Section 1.2     No
Transfer. During the period commencing on the date hereof and ending on the earlier of (a) the Effective Time, and (b) such
date and time as the Merger Agreement shall be terminated in accordance with Section 10.1 thereof (the earlier of clauses
(a) and (b), the “Expiration Time”), each Company Stockholder shall not (i) sell, offer to sell, contract
or agree to sell, hypothecate, pledge, grant any option to purchase or otherwise dispose of or agree to dispose of, directly or
indirectly, file (or participate in the filing of) a registration statement with the SEC (other than the Proxy Statement/Registration
Statement) or establish or increase a put equivalent position or liquidate or decrease a call equivalent position within the meaning
of Section 16 of the Exchange Act, with respect to any Subject Shares, (ii) enter into any swap or other arrangement
that transfers to another Person, in whole or in part, any of the economic consequences of ownership of any Subject Shares (clauses
(i) and (ii) collectively, a “Transfer”) or (iii) publicly announce any intention to effect any
transaction specified in clause (i) or (ii); provided, however, that the foregoing shall not prohibit the Employee
Transactions or Transfers by the Company Stockholder to any Affiliate thereof so long as, prior to and as a condition to the effectiveness
of any such Transfer, such transferee executes and delivers to Acquiror a joinder to this Agreement in the form attached hereto
as Annex A.

 

Section 1.3     New
Shares. In the event that, (a) any Subject Shares are issued to a Company Stockholder after the date of this Agreement
pursuant to any stock dividend, stock split, recapitalization, reclassification, combination or exchange of Subject Shares or otherwise,
(b) a Company Stockholder purchases or otherwise acquires beneficial ownership of any Subject Shares after the date of this
Agreement, or (c) a Company Stockholder acquires the right to vote or share in the voting of any Subject Shares after the
date of this Agreement (collectively, the “New Securities”), then such New Securities acquired or purchased
by such Company Stockholder shall be subject to the terms of this Agreement to the same extent as if they constituted the Subject
Shares owned by such Company Stockholder as of the date hereof.

 

Section 1.4     Company
Stockholder Agreements. Hereafter until the Expiration Time, each Company Stockholder hereby unconditionally and
irrevocably agrees that, at any meeting of the stockholders of the Company (or any adjournment or postponement thereof), and
in any action by written consent of the stockholders of the Company distributed by the Board of Directors of the Company or
otherwise undertaken in connection with or as contemplated by the Merger Agreement or the transactions contemplated thereby,
including in the form of action by written consent attached hereto as Exhibit A (which written consent shall be
delivered promptly, and in any event within twenty-four (24) hours, after the Registration Statement (as contemplated by the
Merger Agreement) is declared effective and delivered or otherwise made available to the shareholders of Acquiror and the
stockholders of the Company), such Company Stockholder shall, if a meeting is held, appear at the meeting, in person or by
proxy, or otherwise cause its Subject Shares (to the extent such Subject Shares are entitled to vote on or provide
consent with respect to such matter) to be counted as present thereat for purposes of establishing a quorum, and such Company
Stockholder shall vote or provide consent (or cause to be voted or consented), in person or by proxy, all of its Subject
Shares (to the extent such Subject Shares are entitled to vote on or provide consent with respect to such matter):

 

    -2-

     

    

 

(a)            to
approve and adopt the Merger Agreement and the transactions contemplated thereby, including the Merger and the Preferred Stock
Conversion;

 

(b)            in
any other circumstances upon which a consent, waiver or other approval may be required under the Company’s Governing Documents
or under any agreements between the Company and its stockholders, including the (i) Third Amended and Restated Investors’
Rights Agreement, dated as of March 13, 2019, by and among the Company and the other stockholders party thereto (the “IRA”),
(ii) Third Amended and Restated Right of First Refusal and Co-Sale Agreement, dated March 13, 2019, among the Company
and the other stockholders party thereto (the “Co-Sale Agreement”), and (iii) Third Amended and Restated
Voting Agreement, dated March 13, 2019, as amended by Amendment No. 1, dated October 20, 2020, among the Company
and the other stockholders party thereto (the “Voting Agreement”), to implement the Merger Agreement or the
transactions contemplated thereby, to vote, consent, waive or approve (or cause to be voted, consented, waived or approved) all
of such Company Stockholder’s Subject Shares held at such time in favor thereof;

 

(c)            against
any Acquisition Proposal with respect to the Company (other than the Merger Agreement and the transactions contemplated thereby);
and

 

(d)            against
any proposal, action or agreement that would (A) impede, frustrate, prevent or nullify any provision of this Agreement, the
Merger Agreement or the transactions contemplated thereby, including the Merger, (B) result in a breach in any respect of
any covenant, representation, warranty or any other obligation or agreement of the Company under the Merger Agreement or (C) result
in any of the conditions set forth in Article IX of the Merger Agreement not being fulfilled.

 

Each Company Stockholder
hereby agrees that it shall not commit in writing or agree in writing to take any action inconsistent with the foregoing.

 

Section 1.5     Irrevocable
Proxy. Subject to the last sentence of this Section 1.5, and solely in the event of a failure by a Company Stockholder
to act in accordance with such Company Stockholder’s obligations as to voting pursuant to Section 1.4 hereof prior to
the termination of this Agreement, after being requested by the Company and such Company Stockholder fails to vote or consent for
a period of three days after such request, such Company Stockholder hereby grants a proxy appointing Acquiror as such Company Stockholder’s
attorney-in-fact and proxy, with full power of substitution, for and in such Company Stockholder’s name, to vote, express
consent or dissent, or otherwise to utilize such voting power in the manner contemplated by Section 1.4 above as the Acquiror
or its proxy or substitute shall deem proper with respect to the Subject Shares. Notwithstanding anything contained herein to the
contrary, this irrevocable proxy shall automatically terminate upon the termination of this Agreement.

 

    -3-

     

    

 

Section 1.6     Affiliate
Agreements. Each Company Stockholder, severally and not jointly, hereby agrees and consents to the termination of all Affiliate
Arrangements set forth on Section 6.4 of the Company Disclosure Letter to which such Company Stockholder is party, including
the IRA, the Co-Sale Agreement and the Voting Agreement, effective as of the Effective Time without any further liability or obligation
to the Company, the Company’s Subsidiaries or Acquiror.

 

Section 1.7     Registration
Rights Agreement. Each of the Company Stockholders set forth on Schedule II, on behalf of itself, agrees that it
will deliver, substantially simultaneously with the Effective Time, a duly-executed copy of the Registration Rights Agreement substantially
in the form attached as Exhibit C to the Merger Agreement.

 

Section 1.8     Lock-Up
Agreement. Each of the Company Stockholders set forth on Schedule III, on behalf of itself, agrees that it will
deliver, substantially simultaneously with the Effective Time, a duly-executed copy of the Lock-Up Agreement substantially in the
form attached as Exhibit D to the Merger Agreement with such changes as agreed by the Company, Acquiror and the Company Stockholders
party to such Agreement.

 

Section 1.9     Further
Assurances. Each Company Stockholder shall take, or cause to be taken, all such further actions and do, or cause to be done,
all things reasonably necessary (including under applicable Laws) to effect the actions required to consummate the Merger and the
other transactions contemplated by this Agreement and the Merger Agreement, in each case, on the terms and subject to the conditions
set forth therein and herein, as applicable.

 

Section 1.10     No
Inconsistent Agreement. Each Company Stockholder hereby represents and covenants that such Company Stockholder has not entered
into, and shall not enter into, any agreement that would restrict, limit or interfere with the performance of such Company Stockholder’s
obligations hereunder.

 

Section 1.11     No
Challenges. Each Company Stockholder agrees not to voluntarily commence, join in, facilitate, assist or encourage, and agrees
to take all actions necessary to opt out of any class in any class action with respect to, any claim, derivative or otherwise,
against Acquiror, Merger Sub, the Company or any of their respective successors or directors, (a) challenging the validity
of, or seeking to enjoin the operation of, any provision of this Agreement or (b) alleging a breach of any fiduciary duty
of any Person in connection with the evaluation, negotiation or entry into the Merger Agreement. Notwithstanding the foregoing,
nothing herein shall be deemed to prohibit such Company Stockholder from enforcing such Company Stockholder’s rights under
this Agreement, any applicable indemnification rights under the Merger Agreement and/or the other agreements entered into by such
Company Stockholder in connection herewith, including such Company Stockholder’s right to receive such Company Stockholder’s
portion of the Aggregate Merger Consideration as provided in the Merger Agreement.

 

    -4-

     

    

 

Section 1.12     Consent
to Disclosure. Each Company Stockholder hereby consents to the publication and disclosure, to the extent required, in the
Proxy Statement/Registration Statement (and, as and to the extent otherwise required by applicable securities Laws or
the SEC or any other securities authorities, any other documents or communications provided by Acquiror or the Company to any
Governmental Authority or to securityholders of Acquiror) of such Company Stockholder’s identity and beneficial
ownership of Subject Shares and the nature of such Company Stockholder’s commitments, arrangements and understandings
under and relating to this Agreement and, if deemed appropriate by Acquiror or the Company, a copy of this Agreement. Each
Company Stockholder will promptly provide any information reasonably requested by Acquiror or the Company for any regulatory
application or filing made or approval sought in connection with the transactions contemplated by the Merger Agreement
(including filings with the SEC), subject to confidentiality obligations that may be applicable to information furnished to
the Company or any of the Company’s Subsidiaries by third parties that may be in the Company’s or any of its
Subsidiaries’ possession from time to time, and except for any information that is subject to attorney-client privilege
(provided, that to the extent reasonably possible, the parties shall cooperate in good faith to permit disclosure of such
information in a manner that preserves such privilege or complies with such confidentiality obligation), to the extent
permitted by applicable Law.

 

Section 1.13     Waiver
of Appraisal Rights. Each Company Stockholder hereby waives any rights of appraisal or rights to dissent from the Merger that
such Company Stockholder may have under applicable law, including Section 262 of the DGCL.

 

Section 1.14     No
Agreement as Director or Officer. Notwithstanding anything to the contrary herein, each Company Stockholder is entering into
this Agreement solely in the Company Stockholder’s capacity as record or beneficial owner of Subject Shares and nothing herein
is intended to or shall limit or affect any actions taken by any employee, officer, director (or person performing similar functions),
partner or other Affiliate (including, for this purpose, any appointee or representative of the Company Stockholder to the board
of directors of the Company) of the Company Stockholder, solely in his or her capacity as a director or officer of the Company
(or a Subsidiary of the Company) or other fiduciary capacity for the Company Stockholders.

 

ARTICLE II

 

REPRESENTATIONS
AND WARRANTIES

 

Section 2.1     Representations
and Warranties of the Company Stockholders. Each Company Stockholder represents and warrants as of the date hereof to Acquiror
and the Company (severally and not jointly, and solely with respect to itself, himself or herself and not with respect to any other
Company Stockholder) as follows:

 

    -5-

     

    

 

(a)            Organization;
Due Authorization. If such Company Stockholder is not an individual, it is duly organized, validly existing and in good
standing under the Laws of the jurisdiction in which it is incorporated, formed, organized or constituted, and the execution,
delivery and performance of this Agreement and the consummation of the transactions contemplated hereby are within such
Company Stockholder’s corporate, limited liability company or organizational powers and have been duly authorized by
all necessary corporate, limited liability company or organizational actions on the part of such Company Stockholder.
If such Company Stockholder is an individual, such Company Stockholder has full legal capacity, right and authority to
execute and deliver this Agreement and to perform his or her obligations hereunder. This Agreement has been duly executed and
delivered by such Company Stockholder and, assuming due authorization, execution and delivery by the other parties to this
Agreement, this Agreement constitutes a legally valid and binding obligation of such Company Stockholder, enforceable against
such Company Stockholder in accordance with the terms hereof (except as enforceability may be limited by bankruptcy Laws,
other similar Laws affecting creditors’ rights and general principles of equity affecting the availability of specific
performance and other equitable remedies). If this Agreement is being executed in a representative or fiduciary capacity, the
Person signing this Agreement has full power and authority to enter into this Agreement on behalf of the applicable Company
Stockholder.

 

(b)            Ownership.
Such Company Stockholder is the record and beneficial owner (within the meaning of Rule 13d-3 of the Exchange Act) of, and
has good title to, all of such Company Stockholder’s Subject Shares, and there exist no Liens or any other limitation or
restriction (including any restriction on the right to vote, sell or otherwise dispose of such Subject Shares (other than transfer
restrictions under the Securities Act)) affecting any such Subject Shares, other than Liens pursuant to (i) this Agreement,
(ii) the Company’s Governing Documents, (iii) the Merger Agreement, (iv) any applicable securities Laws or
(v) the Voting Agreement. Such Company Stockholder’s Subject Shares are the only equity securities in the Company owned
of record or beneficially by such Company Stockholder on the date of this Agreement, and none of such Company Stockholder’s
Subject Shares are subject to any proxy, voting trust or other agreement or arrangement with respect to the voting of such Subject
Shares other than as set forth in the Voting Agreement. Other than as set forth opposite such Company Stockholder’s name
on Schedule I, such Company Stockholder does not hold or own any rights to acquire (directly or indirectly) any equity
securities of the Company or any equity securities convertible into, or which can be exchanged for, equity securities of the Company.

 

(c)            No
Conflicts. The execution and delivery of this Agreement by such Company Stockholder does not, and the performance by such Company
Stockholder of his, her or its obligations hereunder will not, (i) if such Company Stockholder is not an individual, conflict
with or result in a violation of the organizational documents of such Company Stockholder or (ii) require any consent or approval
that has not been given or other action that has not been taken by any Person (including under any Contract binding upon such Company
Stockholder or such Company Stockholder’s Subject Shares), in each case, to the extent such consent, approval or other action
would prevent, enjoin or materially delay the performance by such Company Stockholder of its, his or her obligations under this
Agreement.

 

(d)            Litigation.
There are no Actions pending against such Company Stockholder, or to the knowledge of such Company Stockholder threatened in writing
against such Company Stockholder, before (or, in the case of threatened Actions, that would be before) any arbitrator or any Governmental
Authority, which in any manner challenges or seeks to prevent, enjoin or materially delay the performance by such Company Stockholder
of its, his or her obligations under this Agreement.

 

    -6-

     

    

 

(e)            Adequate
Information. Such Company Stockholder is a sophisticated stockholder and has adequate information concerning the business and
financial condition of Acquiror and the Company to make an informed decision regarding this Agreement and the transactions contemplated
by the Merger Agreement and has independently and without reliance upon Acquiror or the Company and based on such information as
such Company Stockholder has deemed appropriate, made its own analysis and decision to enter into this Agreement. Such Company
Stockholder acknowledges that Acquiror and the Company have not made and do not make any representation or warranty, whether express
or implied, of any kind or character except as expressly set forth in this Agreement. Such Company Stockholder acknowledges that
the agreements contained herein with respect to the Subject Shares held by such Company Stockholder are irrevocable.

 

(f)            Brokerage
Fees. Except as described on Section 4.16 of the Company Disclosure Letter, no broker, finder, investment banker or other
Person is entitled to any brokerage fee, finders’ fee or other commission in connection with the transactions contemplated
by the Merger Agreement based upon arrangements made by such Company Stockholder, for which the Company or any of its Affiliates
may become liable.

 

(g)            Acknowledgment.
Such Company Stockholder understands and acknowledges that each of Acquiror and the Company is entering into the Merger Agreement
in reliance upon such Company Stockholder’s execution and delivery of this Agreement.

 

Section 2.2     No
Other Representations or Warranties. Except for the representations and warranties made by each Company Stockholder in this
Article II, no Company Stockholder nor any other Person makes any express or implied representation or warranty to
Acquiror in connection with this Agreement or the transactions contemplated by this Agreement, and each Company Stockholder expressly
disclaims any such other representations or warranties.

 

ARTICLE III

 

MISCELLANEOUS

 

Section 3.1     Termination.
This Agreement and all of its provisions shall terminate and be of no further force or effect upon the earlier of (a) the
Expiration Time and (b) the written agreement of Acquiror, the Company and each Company Stockholder. Upon such termination
of this Agreement, all obligations of the parties under this Agreement will terminate, without any liability or other obligation
on the part of any party hereto to any Person in respect hereof or the transactions contemplated hereby, and no party hereto shall
have any claim against another (and no person shall have any rights against such party), whether under contract, tort or otherwise,
with respect to the subject matter hereof; provided, however, that the termination of this Agreement shall not relieve
any party hereto from liability arising in respect of any breach of this Agreement prior to such termination. This Article III
shall survive the termination of this Agreement.

 

    -7-

     

    

 

Section 3.2     Governing
Law. This Agreement, and all claims or causes of action (whether in contract or tort) that may be based upon, arise out of
or relate to this Agreement or the negotiation, execution or performance of this Agreement (including any claim or cause of action
based upon, arising out of or related to any representation or warranty made in or in connection with this Agreement) will be governed
by and construed in accordance with the internal Laws of the State of Delaware applicable to agreements executed and performed
entirely within such State.

 

Section 3.3     CONSENT
TO JURISDICTION AND SERVICE OF PROCESS; WAIVER OF JURY TRIAL.

 

(a)            THE
PARTIES TO THIS AGREEMENT SUBMIT TO THE EXCLUSIVE JURISDICTION OF THE STATE COURTS LOCATED IN WILMINGTON, DELAWARE OR THE COURTS
OF THE UNITED STATES LOCATED IN WILMINGTON, DELAWARE IN RESPECT OF THE INTERPRETATION AND ENFORCEMENT OF THE PROVISIONS OF THIS
AGREEMENT AND ANY RELATED AGREEMENT, CERTIFICATE OR OTHER DOCUMENT DELIVERED IN CONNECTION HEREWITH AND, BY THIS AGREEMENT, WAIVE,
AND AGREE NOT TO ASSERT, ANY DEFENSE IN ANY ACTION FOR THE INTERPRETATION OR ENFORCEMENT OF THIS AGREEMENT AND ANY RELATED AGREEMENT,
CERTIFICATE OR OTHER DOCUMENT DELIVERED IN CONNECTION HEREWITH, THAT THEY ARE NOT SUBJECT THERETO OR THAT SUCH ACTION MAY NOT
BE BROUGHT OR IS NOT MAINTAINABLE IN SUCH COURTS OR THAT THIS AGREEMENT MAY NOT BE ENFORCED IN OR BY SUCH COURTS OR THAT THEIR
PROPERTY IS EXEMPT OR IMMUNE FROM EXECUTION, THAT THE ACTION IS BROUGHT IN AN INCONVENIENT FORUM, OR THAT THE VENUE OF THE ACTION
IS IMPROPER. SERVICE OF PROCESS WITH RESPECT THERETO MAY BE MADE UPON ANY PARTY TO THIS AGREEMENT BY MAILING A COPY THEREOF
BY REGISTERED OR CERTIFIED MAIL, POSTAGE PREPAID, TO SUCH PARTY AT ITS ADDRESS AS PROVIDED IN SECTION 3.8.

 

(b)            WAIVER
OF TRIAL BY JURY. EACH PARTY HERETO HEREBY ACKNOWLEDGES AND AGREES THAT ANY CONTROVERSY WHICH MAY ARISE UNDER THIS
AGREEMENT IS LIKELY TO INVOLVE COMPLICATED AND DIFFICULT ISSUES, AND THEREFORE EACH SUCH PARTY HEREBY IRREVOCABLY AND
UNCONDITIONALLY WAIVES ANY RIGHT SUCH PARTY MAY HAVE TO A TRIAL BY JURY IN RESPECT OF ANY LITIGATION DIRECTLY OR
INDIRECTLY ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED BY THIS AGREEMENT. EACH PARTY
CERTIFIES AND ACKNOWLEDGES THAT (I) NO REPRESENTATIVE, AGENT OR ATTORNEY OF ANY OTHER PARTY HAS REPRESENTED, EXPRESSLY
OR OTHERWISE, THAT SUCH OTHER PARTY WOULD NOT, IN THE EVENT OF LITIGATION, SEEK TO ENFORCE THE FOREGOING WAIVER,
(II) EACH SUCH PARTY UNDERSTANDS AND HAS CONSIDERED THE IMPLICATIONS OF THIS WAIVER, (III) EACH SUCH PARTY MAKES
THIS WAIVER VOLUNTARILY, AND (IV) EACH SUCH PARTY HAS BEEN INDUCED TO ENTER INTO THIS AGREEMENT BY, AMONG OTHER
THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION 3.3.

 

Section 3.4     Assignment.
This Agreement and all of the provisions hereof will be binding upon and inure to the benefit of the parties hereto and their respective
heirs, successors and permitted assigns. Neither this Agreement nor any of the rights, interests or obligations hereunder will
be assigned (including by operation of law) without the prior written consent of the parties hereto.

 

    -8-

     

    

 

Section 3.5     Specific
Performance. The parties hereto agree that irreparable damage may occur in the event that any of the provisions of this Agreement
were not performed in accordance with their specific terms or were otherwise breached. It is accordingly agreed that the parties
hereto shall be entitled to seek an injunction or injunctions to prevent breaches of this Agreement and to enforce specifically
the terms and provisions of this Agreement in the chancery court or any other state or federal court within the State of Delaware,
this being in addition to any other remedy to which such party is entitled at law or in equity.

 

Section 3.6     Amendment;
Waiver. This Agreement may not be amended, changed, supplemented, waived or otherwise modified or terminated, except upon the
execution and delivery of a written agreement executed by Acquiror, the Company and Company Stockholders holding a majority of
the total number of shares of Company Common Stock (determined on an as-converted, as-exercised basis) held by all Company Stockholders,
provided that no such amendment shall disproportionately adversely affect any Company Stockholder relative to the other Company
Stockholders without such adversely affected Company Stockholders’ prior written consent.

 

Section 3.7     Severability.
If any provision of this Agreement is held invalid or unenforceable by any court of competent jurisdiction, the other provisions
of this Agreement will remain in full force and effect. Any provision of this Agreement held invalid or unenforceable only in part
or degree will remain in full force and effect to the extent not held invalid or unenforceable.

 

Section 3.8     Notices.
All notices and other communications among the parties hereto shall be in writing and shall be deemed to have been duly given (a) when
delivered in person, (b) when delivered after posting in the United States mail having been sent registered or certified mail
return receipt requested, postage prepaid, (c) when delivered by FedEx or other nationally recognized overnight delivery service
or (d) when e-mailed during normal business hours of the recipient (and otherwise as of the immediately following Business
Day), addressed as follows:

 

If to Acquiror, to:

 

one

16 Funston Avenue, Suite A

The Presidio of San Francisco

San Francisco, California 94129

Attention: Troy B. Steckenrider III, Chief Financial Officer

Email: legal@astar.co

 

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

 

	Cadwalader, Wickersham & Taft LLP
	200 Liberty St.
	New York, New York 10281
	Attention:	Stephen Fraidin
	                  	Andrew Alin
	 	Niral Shah
	Email:     	stephen.fraidin@cwt.com
	 	andrew.alin@cwt.com
	 	niral.shah@cwt.com

 

    -9-

     

    

 

If to the Company, to:

 

MarkForged, Inc.

480 Pleasant Street

Watertown, MA 02472

Attention: General Counsel

Email: Stephen.Karp@markforged.com

 

with copy to (which shall not
constitute notice):

 

	Goodwin Procter LLP
	100 Northern Avenue
	Boston, MA 02210
	Attention:	Kenneth J. Gordon
	 	Michael J. Minahan
	 	Michael R. Patrone
	Email:	kgordon@goodwinlaw.com
	 	mminihan@goodwinlaw.com
	 	mpatrone@goodwinlaw.com

 

If to a Company Stockholder:

 

To such Company Stockholder’s
address set forth in Schedule I

 

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

 

Goodwin Procter LLP

100 Northern Avenue

Boston, MA 02210

	Attention:	 Kenneth J. Gordon
	
	 	Michael J. Minahan
	
	 	Michael R. Patrone
	Email:	 kgordon@goodwinlaw.com
	 	mminihan@goodwinlaw.com
	 	mpatrone@goodwinlaw.com

 

Section 3.9     Counterparts.
This Agreement may be executed in two or more counterparts (any of which may be delivered by electronic transmission), each of
which shall constitute an original, and all of which taken together shall constitute one and the same instrument. Counterparts
may be delivered via electronic mail (including pdf or any electronic signature complying with the U.S. federal ESIGN Act of 2000,
e.g., www.docusign.com) or other transmission method and any counterpart so delivered shall be deemed to have been duly
and validly delivered and be valid and effective for all purposes

 

    -10-

     

    

 

Section 3.10     Several
Liability. The liability of any Company Stockholder hereunder is several (and not joint). Notwithstanding any other provision
of this Agreement, in no event will any Company Stockholder be liable for any other Company Stockholder’s breach of such
other Company Stockholder’s representations, warranties, covenants, or agreements contained in this Agreement.

 

Section 3.11     Entire
Agreement. This Agreement and the agreements referenced herein constitute the entire agreement and understanding of the parties
hereto in respect of the subject matter hereof and supersede all prior understandings, agreements or representations by or among
the parties hereto to the extent they relate in any way to the subject matter hereof.

 

[THE REMAINDER
OF THIS PAGE IS INTENTIONALLY BLANK]

 

    -11-

     

    

 

IN WITNESS WHEREOF, the
Company Stockholders, Acquiror, and the Company have each caused this Stockholder Support Agreement to be duly executed as of the
date first written above.

 

	 	COMPANY STOCKHOLDERS:
	 	 
	 	By:	/s/
    Gregory Thomas Mark                               
	 	Name: Gregory Thomas Mark
	 	 
	 	The Gregory Mark 2020 Grantor Retained Annuity Trust
	 	 
	 	/s/ Gregory Thomas Mark
	 	Name:Gregory Thomas Mark
	 	Title: Trustee
	 	 
	 	The Gregory Mark Irrevocable Family Trust
	 	 
	 	/s/ Gregory Thomas Mark
	 	Name: Gregory Thomas Mark
	 	Title: Trustee
	 	 
	 	/s/ Steven D. Mark
	 	Name: Steven D. Mark
	 	Title: Trustee
	 	 
	 	/s/ Diana E. Young
	 	Name: Diana E. Young
	 	Title: Trustee
	 	 
	 	By:	/s/ David Benhaim
	 	Name: David Benhaim

 

[Signature Page to Stockholder Support Agreement] 

 

     

     

    

 

	 	By: 	/s/ Shai Terem
	 	Name: Shai Terem
	 	 
	 	SUMMIT PARTNERS GROWTH EQUITY FUND IX-A, L.P.
	 	 
	 	By: Summit Partners GE IX, L.P.
	 	Its: General Partner
	 	 
	 	By: Summit Partners GE IX, LLC
	 	Its: General Partner
	 	 
	 	By: 	/s/ Michael A. Medici
	 	Name: Michael A. Medici
	 	Its: Member
	 	 
	 	SUMMIT PARTNERS GROWTH EQUITY FUND IX-B, L.P.
	 	 
	 	By: Summit Partners GE IX, L.P.
	 	Its: General Partner
	 	 
	 	By: Summit Partners GE IX, LLC
	 	Its: General Partner
	 	 
	 	By:	/s/ Michael A. Medici
	 	Name: Michael A. Medici
	 	Its: Member
	 	 
	 	SUMMIT INVESTORS GE IX/VC IV, LLC
	 	 
	 	By: Summit Investors Management, LLC
	 	Its: Manager
	 	 
	 	By: Summit Master Company, LLC
	 	Its: Managing Member
	 	 
	 	By: 	/s/ Michael A. Medici
	 	Name: Michael A. Medici
	 	Its: Member

 

[Signature Page to Stockholder Support Agreement]

 

     

     

    

 

	 	SUMMIT INVESTORS GE IX/VC IV (UK), L.P.
	 	 
	 	By: Summit Investors Management, LLC
	 	Its: General Partner
	 	 
	 	By: Summit Master Company, LLC
	 	Its: Managing Member
	 	 
	 	By: 	/s/ Michael A. Medici
	 	Name: Michael A. Medici
	 	Its: Member
	 	 
	 	MATRIX PARTNERS IX, L.P.
	 	 
	 	By: 	Matrix IX Management Co., L.L.C.,
	 	 	its General Partner
	 	 
	 	By: 	/s/ Antonio Rodriguez
	 	Name: Antonio Rodriguez 
	 	Title: Managing Member

 

	 	Address:	101 Main Street
	 	 	17th Floor
	 	 	Cambridge, MA 02142
	 	 
	 	WESTON & CO. IX LLC, as Nominee
	 	 
	 	By: Matrix Partners Management Services, L.P.,
	 	Sole Member
	 	 
	 	By: Matrix Partners Management Services GP, LLC,
	 	its General Partner

 

	 	By: 	/s/ Antonio Rodriguez
	 	Name: Antonio Rodriguez 
	 	Title: Managing Member

 

[Signature Page to Stockholder Support Agreement]

 

     

     

    

 

	 	NORTH BRIDGE VENTURE PARTNERS 7, L.P.
	 	 
	 	By:  	North Bridge Venture Management 7, L.P.
	 	 	Its General Partner
	 	 
	 	By: 	NBVM GP, LLC
	 	 	Its General Partner
	 	 
	 	By: 	/s/ Edward Anderson
	 	 	Name: Edward Anderson
	 	 	Title: Managing General Partner
	 	 
	 	 	TRINITY VENTURES XI, L.P.,
	 	 	TRINITY XI SIDE-BY-SIDE FUND, L.P., 
	 	 	TRINITY XI ENTREPRENEURS’ FUND, L.P., 
	 	 	Delaware Limited Partnerships
	 	 	 
	 	 	By: 	TRINITY TVL XI, LLC,
	 	 	 	Their General Partner
	 	 	 
	 	 	By: 	/s/ Nina C. Labatt
	 	 	 	Nina C. Labatt, Management Member
	 	 
	 	NEXT47 FUND 2018, L.P.
	 	 
	 	By: 	next47 Mid-Tier GP 2018, L.P. as general partner,  acting
by its general partner, next47 TTGP, LLC
	 	 
	 	By: 	/s/ Lak Ananth
	 	 	Name: Lak Ananth
	 	 	Title: Managing Partner
	 	 
	 	By: 	/s/ Brigit Meissner
	 	 	Name: Brigit Meissner
	 	 	Title: Authorized Signatory

 

[Signature Page to Stockholder Support Agreement]

 

     

     

    

 

	 	NEXT47 FUND 2019, L.P.
	 	 
	 	By:	 next47 Mid-Tier GP 2019, L.P. as general partner, acting
by its general partner, next47 TTGP, LLC
	 	 
	 	By: 	/s/ Lak Ananth
	 	 	Name: Lak Ananth
	 	 	Title: Managing Partner
	 	 	 
	 	By: 	/s/ Brigit Meissner
	 	 	Name: Brigit Meissner
	 	 	Title: Authorized Signatory
	 	 
	 	MICROSOFT GLOBAL FINANCE
	 	 
	 	By:	/s/ Keith Dolliver
	 	 	Name: Keith Dolliver
	 	 	Title: Vice President
	 	 
	 	PORSCHE DRITTE BETEILIGUNG GMBH
	 	 
	 	By: 	/s/ Dr. Johannes Lattwein
	 	 	Name: Dr. Johannes Lattwein
	 	 	Title: Managing Director
	 	 
	 	By: 	/s/ Aleksej Mitrjaschkin
	 	 	Name: Aleksej Mitrjaschkin
	 	 	Title: Authorized Signatory

 

[Signature Page to Stockholder Support Agreement]

 

     

     

    

 

IN WITNESS WHEREOF, the
Company Stockholders, Acquiror, and the Company have each caused this Stockholder Support Agreement to be duly executed as of the
date first written above.

 

 

		ACQUIROR:	

 

		ONE	

 

		By:	

                                                                   
/s/ Kevin E. Hartz
	 	 	Name: Kevin E. Hartz
	 	 	Title: Chief Executive Officer

 

[Signature Page to Stockholder Support Agreement]

 

     

     

    

 

 

IN WITNESS WHEREOF, the
Company Stockholders, Acquiror, and the Company have each caused this Stockholder Support Agreement to be duly executed as of the
date first written above.

  

	 	COMPANY:
	 	MARKFORGED, INC.
	 	 	 
		By:	

                                                                                
/s/ Shai Terem
	 	 	Name: Shai Terem
	 	 	Title: Chief Executive Officer

 

[Signature Page to Stockholder Support
Agreement]

 

     

     

    

 

Exhibit A

 

Form of Action by Written Consent
of the Stockholders of the Company

 

     

     

    

 

Schedule I

 

Company Stockholder Subject Shares

 

     

     

    

 

	
        Holders

         
	Common	Series A Outstanding	Series B Outstanding	Series C Outstanding	Series D Outstanding	Series Seed Outstanding	Notice Information
	Matrix Partners IX L.P.	 	13,679,283	7,746,503	 	793,490	7,705,502	101 Main Street
 17th Floor
 Cambridge, MA 02142

                                                                                 

	Microsoft Global Finance	315,637	 	 	4,822,763	105,212	 	One Microsoft Way
 Redmond, WA 98052-6399 Attention: Keith Dolliver
 Associate General Counsel

                                                                                 

	Next47 Fund 2018, L.P.	 	 	 	7,234,145	 	 	
        537 Hamilton Avenue, 2nd Floor, 94301 Palo Alto, CA

        Attn: Lak Ananth (Managing Partner)

        legal@next47.com

         

	Next47 Fund 2019, L.P.	 	 	 	 	833,148	 	
        537 Hamilton Avenue, 2nd Floor, 94301 Palo Alto, CA

         

        Attn: Lak Ananth (Managing Partner)

         

        legal@next47.com

         

	North Bridge Venture Partners 7, L.P.	 	14,362,960	8,133,665	 	 	8,090,615	950 Winter Street, Suite 4600, Waltham, MA 02451. Attention: Ken DiPoto

                                                                                 

	PORSCHE DRITTE BETEILIGUNG GMBH	 	 	 	2,411,382	 	277,774	
        Porscheplatz 1

        70435 Stuttgart

        Germany

         

	Summit Investors GE IX/VC IV (UK), L.P.	 	 	 	 	10,937	 	
        222 Berkeley Street, 18th Floor

        Boston, MA 02116

         

         

	Summit Investors GE IX/VC IV, LLC	 	 	 	 	86,411	 	
        222 Berkeley Street, 18th Floor

        Boston, MA 02116

         

	Summit Partners Growth Equity Fund IX-A, L.P.	 	 	 	 	9,331,785	 	
        222 Berkeley Street, 18th Floor

        Boston, MA 02116

         

         

	Summit Partners Growth Equity Fund IX-B, L.P.	 	 	 	 	5,826,637	 	
        222 Berkeley Street, 18th Floor

        Boston, MA 02116

 

     

     

    

 

	The Gregory Mark 2020 Grantor Retained Annuity Trust	1,401,869	 	 	 	 	 	
        547 Ward Street

        Newton, MA 02459

	
        The Gregory Mark Irrevocable
        Family Trust

         
	2,803,738	 	 	 	 	 	
        547 Ward Street

        Newton, MA 02459

	Trinity Ventures XI, L.P.	 	 	17,698,596	 	 	 	
        2480 Sand Hill Road, Suite 200, Menlo Park, CA 94025

        Tel. 650-854-9500

        nina@trinityventures.com

         

	Trinity XI Entrepreneurs’ Fund, L.P. 	 	 	284,186	 	 	 	
        2480 Sand Hill Road, Suite 200, Menlo Park, CA 94025

        Tel. 650-854-9500

        nina@trinityventures.com

         

	Trinity XI Side-By-Side Fund, L.P.	 	 	141,368	 	 	 	
        2480 Sand Hill Road, Suite 200, Menlo Park, CA 94025

        Tel. 650-854-9500

        nina@trinityventures.com

         

	Weston & Co. IX LLC, as Nominee	 	683,677	387,162	 	39,658	385,113	101 Main Street
 17th Floor
 Cambridge, MA 02142

                                                                                 

	David Benhaim	530,573	 	 	 	 	 	
        7 Dana Place, Cambridge MA 02138

         

	Shai Terem	 	 	 	 	 	 	19 Shute Path, Newton MA 02459

                                                                                 

	Gregory Thomas Mark	24,186,887	 	 	 	 	 	
        547 Ward Street

        Newton, MA 02459

 

     

     

    

 

Schedule II

 

Parties to the Registration Rights Agreement

 

		1.	Shai Terem

		2.	Greg Mark

		3.	David Benhaim

		4.	The Gregory Mark Irrevocable Family Trust

		5.	The Gregory Mark 2020 Grantor Retained Annuity Trust

		6.	Summit Partners Growth Equity Fund IX-A, L.P.

		7.	Summit Partners Growth Equity Fund IX-B, L.P.

		8.	Summit Investors GE IX/VC IV, LLC

		9.	Summit Investors GE IX/VC IV (UK), L.P.

		10.	Matrix Partners IX, L.P.

		11.	Weston & Co. IX LLC

		12.	North Bridge Venture Partners 7, L.P.

		13.	Trinity Ventures XI, L.P.

		14.	Trinity XI Side-By-Side Fund, L.P.

		15.	Trinity XI Entrepreneurs’ Fund, L.P.

		16.	Next47 Fund 2018, L.P.

		17.	Next47 Fund 2019, L.P.

		18.	Microsoft Global Finance

		19.	Porsche Dritte Beteiligung GMBH

 

    Sch II-1

     

    

  

Schedule III

 

Parties to the Lock-Up Agreement

 

		1.	Shai Terem

		2.	Greg Mark

		3.	David Benhaim

		4.	The Gregory Mark Irrevocable Family Trust

		5.	The Gregory Mark 2020 Grantor Retained Annuity Trust

		6.	Summit Partners Growth Equity Fund IX-A, L.P.

		7.	Summit Partners Growth Equity Fund IX-B, L.P.

		8.	Summit Investors GE IX/VC IV, LLC

		9.	Summit Investors GE IX/VC IV (UK), L.P.

		10.	Matrix Partners IX, L.P.

		11.	Weston & Co. IX LLC

		12.	North Bridge Venture Partners 7, L.P.

		13.	Trinity Ventures XI, L.P.

		14.	Trinity XI Side-By-Side Fund, L.P.

		15.	Trinity XI Entrepreneurs’ Fund, L.P.

		16.	Next47 Fund 2018, L.P.

		17.	Next47 Fund 2019, L.P.

		18.	Microsoft Global Finance

		19.	Porsche Dritte Beteiligung GMBH

 

    Sch V-1

     

    

 

Annex A

 

Form of Joinder Agreement

 

This Joinder Agreement
(this “Joinder Agreement”) is made as of the date written below by the undersigned (the “Joining Party”)
in accordance with the Stockholder Support Agreement, dated as of February 23, 2021 (as amended, supplemented or otherwise
modified from time to time, the “Support Agreement”), by and among one, a Cayman Islands exempted company limited
by shares (which shall migrate to and domesticate as a Delaware corporation), MarkForged, Inc., a Delaware corporation, and
the Company Stockholders set forth on Schedule I thereto. Capitalized terms used herein and not otherwise defined shall
have the meaning ascribed to them in the Support Agreement.

 

The Joining Party hereby
acknowledges, agrees and confirms that, by its execution of this Joinder Agreement, the Joining Party shall be deemed to be a party
to, and a “Company Stockholder” under, the Support Agreement as of the date hereof and shall have all of the rights
and obligations of a Company Stockholder as if it had executed the Support Agreement. The Joining Party hereby ratifies, as of
the date hereof, and agrees to be bound by, all of the terms, provisions and conditions contained in the Support Agreement.

 

IN WITNESS WHEREOF, the
undersigned has duly executed this Joinder Agreement as of the date written below.

 

Date:                        ,
2021

 

		By:	
	 	 	Name:
	 	 	Title:
	 	 	 
	 	 	Address for Notices:
	 	 	 
	 	 	With copies to:

 

    Annex A-1

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