Document:

Exhibit 10.10

 

 

 

Space
Apprentices Enterprise Inc.

 

2018
Stock Plan

 

Adopted
on_____________, 20___

 

     

     

    

 

TABLE OF CONTENTS

 

	 	 	Page
	 	 	 
	SECTION 1. ESTABLISHMENT AND PURPOSE	1
	 	 	 
	SECTION 2. ADMINISTRATION	1
	(a)	Committees of the Board of Directors	1
	(b)	Authority of the Board of Directors	1
	 	 	 
	SECTION 3. ELIGIBILITY	2
	(a)	General Rule	2
	(b)	TenPercent Stockholders	2
	 	 	 
	SECTION 4. STOCK SUBJECT TO PLAN	2
	(a)	Basic Limitation	2
	(b)	Additional Shares	2
	 	 	 
	SECTION 5. TERMS AND CONDITIONS OF AWARDS OR SALES	3
	(a)	Stock Grant or Purchase Agreement	3
	(b)	Duration of Offers and Nontransferability of Rights	3
	(c)	Purchase Price	3
	 	 	 
	SECTION 6. TERMS AND CONDITIONS OF OPTIONS	3
	(a)	Stock Option Agreement	3
	(b)	Number of Shares	3
	(c)	Exercise Price	4
	(d)	Vesting and Exercisability	4
	(e)	Basic Term	4
	(f)	Termination of Service (Except by Death)	5
	(g)	Leaves of Absence	5
	(h)	Death of Optionee	5
	(i)	Restrictions on Transfer of Options	6
	(j)	No Rights as a Stockholder	6
	(k)	Modification, Extension and Assumption of Options	6
	(l)	Company’s Right to Cancel Certain Options	7
	 	 	 
	SECTION 7. TERMS AND CONDITIONS OF RESTRICTED STOCK UNITS	7
	(a)	Restricted Stock Unit Agreement	7
	(b)	Payment for Restricted Stock Units	7
	(c)	Vesting Conditions	7
	(d)	Forfeiture	7
	(e)	Voting and Dividend Rights	7
	(f)	Form and Time of Settlement of Restricted Stock Units	8
	(g)	Death of Recipient	8
	(h)	Creditors’ Rights	8
	(i)	Modification, Extension and Assumption of Restricted Stock Units	8
	(j)	Restrictions on Transfer of Restricted Stock Units	8

 

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	SECTION 8. PAYMENT FOR SHARES	9
	(a)	General Rule	9
	(b)	Services Rendered	9
	(c)	Promissory Note	9
	(d)	Surrender of Stock	9
	(e)	Cashless Exercise	9
	(f)	Net Exercise	10
	(g)	Other Forms of Payment	10
	 	 	 
	SECTION 9. ADJUSTMENT OF SHARES	10
	(a)	General 8	 
	(b)	Corporate Transactions	11
	(c)	Dissolution or Liquidation	12
	(d)	Reservation of Rights	12
	 	 	 
	SECTION 10. MISCELLANEOUS PROVISIONS	12
	(a)	Securities Law Requirements	12
	(b)	No Retention Rights	13
	(c)	Treatment as Compensation	13
	(d)	Governing Law	13
	(e)	Conditions and Restrictions on Shares	13
	(f)	Tax Matters	13
	 	 	 
	SECTION 11. DURATION AND AMENDMENTS; STOCKHOLDER APPROVAL	14
	(a)	Term of the Plan	14
	(b)	Right to Amend or Terminate the Plan	14
	(c)	Effect of Amendment or Termination	14
	(d)	Stockholder Approval	14
	 	 	 
	SECTION 12. DEFINITIONS	14

 

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Space
Apprentices Enterprise Inc. 2018 Stock Plan

 

SECTION 1. ESTABLISHMENT AND PURPOSE.

 

The purpose
of this Plan is to attract, incentivize and retain Employees, Outside Directors and Consultants through the grant of Awards. The
Plan provides for the direct award or sale of Shares, the grant of Options to purchase Shares and the grant of Restricted Stock
Units to acquire Shares. Options granted under the Plan may be ISOs intended to qualify under Code Section 422 or NSOs which are
not intended to so qualify.

 

Capitalized terms are defined in Section 12.

 

SECTION 2. ADMINISTRATION.

 

(a) Committees
of the Board of Directors. The Plan may be administered by one or more Committees. Each Committee shall consist, as required
by applicable law, of one or more members of the Board of Directors who have been appointed by the Board of Directors. Each Committee
shall have such authority and be responsible for such functions as the Board of Directors has assigned to it. If no Committee has
been appointed, the entire Board of Directors shall administer the Plan. Any reference to the Board of Directors in the Plan or
an Award Agreement shall be construed as a reference to the Committee (if any) to whom the Board of Directors has assigned a particular
function.

 

(b) Authority
of the Board of Directors. Subject to the provisions of the Plan, the Board of Directors shall have full authority and discretion
to take any actions it deems necessary or advisable for the administration of the Plan. Notwithstanding anything to the contrary
in the Plan, with respect to the terms and conditions of awards granted to Participants outside the United States, the Board of
Directors may vary from the provisions of the Plan to the extent it determines it necessary and appropriate to do so; provided
that it may not vary from those Plan terms requiring stockholder approval pursuant to Section 11(d) below. All decisions, interpretations
and other actions of the Board of Directors shall be final and binding on all Participants and all persons deriving their rights
from a Participant.

 

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SECTION 3. ELIGIBILITY.

 

(a) General Rule. Employees, Outside
Directors and Consultants shall be eligible for the grant of Awards under the Plan.1 However, only Employees shall
be eligible for the grant of ISOs.

 

(b) TenPercent
Stockholders. A person who owns more than 10% of the total combined voting power of all classes of outstanding stock of the
Company, its Parent or any of its Subsidiaries shall not be eligible for the grant of an ISO unless (i) the Exercise Price is at
least 110% of the Fair Market Value of a Share on the Date of Grant and (ii) such ISO by its terms is not exercisable after the
expiration of five years from the Date of Grant. For purposes of this Subsection (b), in determining stock ownership, the attribution
rules of Code Section 424(d) shall be applied.

 

SECTION 4. STOCK SUBJECT TO PLAN.

 

(a) Basic Limitation. Not more than Shares
may be issued under the Plan, subject to Subsection (b) below and Section 9(a).2 All of these Shares may be issued
upon the exercise of ISOs. The Company, during the term of the Plan, shall at all times reserve and keep available sufficient
Shares to satisfy the requirements of the Plan. Shares offered under the Plan may be authorized but unissued Shares or
treasury Shares.

 

(b) Additional
Shares. In the event that Shares previously issued under the Plan are forfeited to or repurchased by the Company due to failure
to vest, such Shares shall be added to the number of Shares then available for issuance under the Plan. In the event that Shares
that otherwise would have been issuable under the Plan are withheld by the Company in payment of the Purchase Price, Exercise Price
or withholding taxes, such Shares shall remain available for issuance under the Plan. In the event that an outstanding Option,
Restricted Stock Unit or other right for any reason expires or is canceled, the Shares allocable to the unexercised or unsettled
portion of such Option, Restricted Stock Unit or other right shall remain available for issuance under the Plan. To the extent
an Award is settled in cash, the cash settlement shall not reduce the number of Shares remaining available for issuance under the
Plan. Notwithstanding the foregoing, in the case of ISOs, this Subsection (b) shall be subject to any limitations imposed under
Section 422 of the Code and the treasury regulations thereunder.

  

 

 

		1	Note that special considerations apply if the Company proposes
to grant awards to an Employee or Consultant of a Parent company.

		2	Please refer to Exhibit A for a schedule of the initial
share reserve and any subsequent increases in the reserve.

  

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SECTION 5. TERMS AND CONDITIONS OF AWARDS OR SALES.

 

(a) Stock
Grant or Purchase Agreement. Each award of Shares under the Plan shall be evidenced by a Stock Grant Agreement between the
Grantee and the Company. Each sale of Shares under the Plan (other than upon exercise of an Option) shall be evidenced by a Stock
Purchase Agreement between the Purchaser and the Company. Such award or sale shall be subject to all applicable terms and conditions
of the Plan and may be subject to any other terms and conditions which are not inconsistent with the Plan and which the Board of
Directors deems appropriate for inclusion in a Stock Grant Agreement or Stock Purchase Agreement. The provisions of the various
Stock Grant Agreements and Stock Purchase Agreements entered into under the Plan need not be identical.

 

(b) Duration
of Offers and Nontransferability of Rights. Any right to purchase Shares under the Plan (other than an Option) shall automatically
expire if not exercised by the Purchaser within 30 days (or such other period as may be specified in the Award Agreement) after
the grant of such right was communicated to the Purchaser by the Company. Such right is not transferable and may be exercised only
by the Purchaser to whom such right was granted.

 

(c) Purchase
Price. The Board of Directors shall determine the Purchase Price of Shares to be offered under the Plan at its sole discretion.
The Purchase Price shall be payable in a form described in Section 8.

 

SECTION 6. TERMS AND CONDITIONS OF OPTIONS.

 

(a) Stock
Option Agreement. Each grant of an Option under the Plan shall be evidenced by a Stock Option Agreement between the Optionee
and the Company. The Option shall be subject to all applicable terms and conditions of the Plan and may be subject to any other
terms and conditions that are not inconsistent with the Plan and that the Board of Directors deems appropriate for inclusion in
a Stock Option Agreement. The provisions of the various Stock Option Agreements entered into under the Plan need not be identical.

 

(b)
Number of Shares. Each Stock Option Agreement shall specify the number of Shares that are subject to the Option and shall
provide for the adjustment of such number in accordance with Section 9. The Stock Option Agreement shall also specify whether
the Option is an ISO or an NSO.

 

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(c) Exercise Price.

 

(i) General.
Each Stock Option Agreement shall specify the Exercise Price, which shall be payable in a form described in Section 8. Subject
to the remaining provisions of this Subsection (c), the Exercise Price shall be determined by the Board of Directors in its sole
discretion.

 

(ii) ISOs.
The Exercise Price of an ISO shall not be less than 100% of the Fair Market Value of a Share on the Date of Grant, and a higher
percentage may be required by Section 3(b). This Subsection (c)(ii) shall not apply to an ISO granted pursuant to an assumption
of, or substitution for, another incentive stock option in a manner that complies with Code Section 424(a).

 

(iii) NSOs.
Except as specifically set forth in this Subsection (c)(iii), the Exercise Price of an NSO shall not be less than 100% of the Fair
Market Value of a Share on the Date of Grant. This Subsection (c)(iii) shall not apply to an NSO granted to a person who is not
a U.S. taxpayer on the Date of Grant or to an NSO that is intended either to be exempt from Code Section 409A as a “short-term
deferral” or to comply with the requirements of Code Section 409A. In addition, this Subsection (c)(iii) shall not apply
to an NSO granted pursuant to an assumption of, or substitution for, another stock option in a manner that complies with Code Section
409A.

 

(d) Vesting
and Exercisability. Each Stock Option Agreement shall specify the date when all or any installment of the Option is to become
vested and exercisable. No Option shall be exercisable unless the Optionee (i) has delivered an executed copy of the Stock Option
Agreement to the Company or

(ii) otherwise agrees to be
bound by the terms of the Stock Option Agreement. The Board of Directors shall determine the vesting and exercisability provisions
of the Stock Option Agreement at its sole discretion.

 

(e) Basic
Term. The Stock Option Agreement shall specify the term of the Option. The term shall not exceed 10 years from the Date of
Grant, and in the case of an ISO, a shorter term may be required by Section 3(b). Subject to the preceding sentence, the Board
of Directors at its sole discretion shall determine when an Option is to expire.

 

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(f) Termination
of Service (Except by Death).

 

If an Optionee’s Service
terminates for any reason other than the Optionee’s death, then the Optionee’s Options shall expire on the earliest
of the following dates:

 

(i) The expiration date determined
pursuant to Subsection (e) above;

 

(ii) The date three months
after the termination of the Optionee’s Service for any reason other than Disability, or such earlier or later date as
the Board of Directors may determine (but in no event earlier than 30 days after the termination of the Optionee’s
Service); or

 

(iii)
The date six months after the termination of the Optionee’s Service by reason of Disability, or such later date as the Board
of Directors may determine.

 

The Optionee may exercise all or part
of the Optionee’s Options at any time before the expiration of such Options under the preceding sentence, but only to the
extent that such Options had become exercisable before the Optionee’s Service terminated (or became exercisable as a result
of the termination) and the underlying Shares had vested before the Optionee’s Service terminated (or vested as a result
of the termination). In the event that the Optionee dies after the termination of the Optionee’s Service but before the expiration
of the Optionee’s Options, all or part of such Options may be exercised (prior to expiration) by the executors or administrators
of the Optionee’s estate or by any person who has acquired such Options directly from the Optionee by beneficiary designation,
bequest or inheritance, but only to the extent that such Options had become exercisable before the Optionee’s Service terminated
(or became exercisable as a result of the termination) and the underlying Shares had vested before the Optionee’s Service
terminated (or vested as a result of the termination). In no event will an Option, or the Shares underlying an Option, become vested
and/or exercisable after termination of the Optionee’s Service unless the Board of Directors takes affirmative action or
unless expressly provided in a written agreement between the Company and the Optionee.

 

(g) Leaves of Absence. For
purposes of Subsection (f) above, Service shall be deemed to continue while the Optionee is on a bona fide leave of absence approved
by the Company in writing.

 

(h) Death of Optionee.
If an Optionee dies while the Optionee is in Service, then the Optionee’s Options shall expire on the earlier of the following
dates:

 

(i) The expiration date determined
pursuant to Subsection (e) above; or

  

(ii) The
date 12 months after the Optionee’s death, or such earlier or later date as the Board of Directors may determine (but in
no event earlier than six months after the Optionee’s death).

 

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All or part of the Optionee’s Options
may be exercised at any time before the expiration of such Options under the preceding sentence by the executors or administrators
of the Optionee’s estate or by any person who has acquired such Options directly from the Optionee by beneficiary designation,
bequest or inheritance, but only to the extent that such Options had become exercisable before the Optionee’s death (or became
exercisable as a result of the death) and the underlying Shares had vested before the Optionee’s death (or vested as a result
of the Optionee’s death). In no event will an Option, or the Shares underlying an Option, become vested and/or exercisable
after the Optionee’s death unless the Board of Directors takes affirmative action or unless expressly provided in a written
agreement between the Company and the Optionee.

 

(i) Restrictions
on Transfer of Options. An Option shall be transferable by the Optionee only by (i) a beneficiary designation, (ii) a will
or (iii) the laws of descent and distribution, except as provided in the next sentence. If the Board of Directors so provides,
in a Stock Option Agreement or otherwise, an NSO may be transferable to the extent permitted by Rule 701 under the Securities Act.
An ISO may be exercised during the lifetime of the Optionee only by the Optionee or by the Optionee’s guardian or legal representative.

 

(j) No
Rights as a Stockholder. An Optionee, or a transferee of an Optionee, shall have no rights as a stockholder with respect to
any Shares covered by the Optionee’s Option until such person submits a notice of exercise, pays the Exercise Price and satisfies
all applicable withholding taxes pursuant to the terms of such Option.

 

(k) Modification,
Extension and Assumption of Options. Within the limitations of the Plan, the Board of Directors may modify, reprice, extend
or assume outstanding Options or may accept the cancellation of outstanding options (whether granted by the Company or another
issuer) in return for the grant of new Options or a different type of award for the same or a different number of Shares and at
the same or a different Exercise Price (if applicable). The foregoing notwithstanding, no modification of an Option shall, without
the consent of the Optionee, impair the Optionee’s rights or increase the Optionee’s obligations under such Option;
provided, however, that a modification of an Option that is otherwise favorable to the Optionee (for example, providing the Optionee
with additional time to exercise the Option after termination of employment or providing for additional forms of payment) but causes
the Option to lose its tax-favored status (for example, as an ISO) shall not require the consent of the Optionee.

 

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(l) Company’s
Right to Cancel Certain Options. Any other provision of the Plan or a Stock Option Agreement notwithstanding, the Company
shall have the right at any time to cancel an Option that was not granted in compliance with Rule 701 under the Securities Act.
Prior to canceling such Option, the Company shall give the Optionee not less than 30 days’ notice in writing. If the Company
elects to cancel such Option, it shall deliver to the Optionee consideration with an aggregate value equal to the excess of (i)
the Fair Market Value of the Shares subject to such Option as of the time of the cancellation over (ii) the Exercise Price of
such Option. The consideration may be delivered in the form of cash or cash equivalents, in the form of Shares, or a combination
of both. If the consideration would be a negative amount, such Option may be cancelled without the delivery of any consideration.

 

SECTION 7. TERMS AND CONDITIONS OF RESTRICTED STOCK
UNITS

 

(a) Restricted Stock
Unit Agreement. Each grant of Restricted Stock Units under the Plan shall be evidenced by a Restricted Stock Unit Agreement
between the recipient and the Company. Such Restricted Stock Units shall be subject to all applicable terms and conditions of the
Plan and may be subject to any other terms and conditions that are not inconsistent with the Plan and which the Board of Directors
deems appropriate for inclusion in a Restricted Stock Unit Agreement. The provisions of the various Restricted Stock Unit Agreements
entered into under the Plan need not be identical.

 

(b) Payment
for Restricted Stock Units. No cash consideration shall be required of the recipient in connection with the grant of Restricted
Stock Units.

 

(c) Vesting
Conditions. Each Restricted Stock Unit Agreement shall specify the vesting requirements applicable to the Restricted Stock
Units subject thereto, which the Board of Directors shall determine in its sole discretion.

 

(d) Forfeiture.
Unless a Restricted Stock Unit Agreement provides otherwise, upon termination of the recipient’s Service and upon such other
times specified in the Restricted Stock Unit Agreement, any unvested Restricted Stock Units shall be forfeited to the Company.

 

(e)
Voting and Dividend Rights. The holders of Restricted Stock Units shall have no voting rights. Prior to settlement or forfeiture,
any Restricted Stock Unit granted under the Plan may, at the discretion of the Board of Directors, carry with it a right to dividend
equivalents. Such right entitles the holder to be credited with an amount equal to all cash dividends paid on one Share while
the Restricted Stock Unit is outstanding. Dividend equivalents may be converted into additional Restricted Stock Units. Settlement
of dividend equivalents may be made in the form of cash, in the form of Shares, or in a combination of both. Prior to distribution,
any dividend equivalents that are not paid shall be subject to the same conditions and restrictions as the Restricted Stock Units
to which they attach.

 

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(f) Form and Time of
Settlement of Restricted Stock Units. Settlement of vested Restricted Stock Units may be made in the form of (i) cash,
(ii) Shares or (iii) any combination of both, as determined by the Board of Directors. The actual number of Restricted Stock
Units eligible for settlement may be larger or smaller than the number included in the original award, based on predetermined
performance factors. Vested Restricted Stock Units shall be settled in such manner and at such time(s) as specified in the
Restricted Stock Unit Agreement. Until Restricted Stock Units are settled, the number of Shares represented by such
Restricted Stock Units shall be subject to adjustment pursuant to Section 9.

 

(g) Death
of Recipient. Any Restricted Stock Units that become distributable after the Participant’s death shall be distributed
to the Participant’s estate or to any person who has acquired such Restricted Stock Units directly from the recipient by
beneficiary designation, bequest or inheritance.

 

(h) Creditors’
Rights. A holder of Restricted Stock Units shall have no rights other than those of a general creditor of the Company. Restricted
Stock Units represent an unfunded and unsecured obligation of the Company, subject to the terms and conditions of the applicable
Restricted Stock Unit Agreement.

 

(i) Modification,
Extension and Assumption of Restricted Stock Units. Within the limitations of the Plan, the Board of Directors may modify,
extend or assume outstanding restricted stock units (whether granted by the Company or a different issuer). The foregoing notwithstanding,
no modification of a Restricted Stock Unit shall, without the consent of the Participant, impair the Participant’s rights
or increase the Participant’s obligations under such Restricted Stock Unit.

 

(j) Restrictions
on Transfer of Restricted Stock Units. A Restricted Stock Unit shall be transferable by the Participant only by (i) a beneficiary
designation, (ii) a will or (iii) the laws of descent and distribution, except as provided in the next sentence. In addition, if
the Board of Directors so provides, in a Restricted Stock Unit Agreement or otherwise, a Restricted Stock Unit shall also be transferable
to the extent permitted by Rule 701 under the Securities Act.

 

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SECTION 8. PAYMENT FOR SHARES.

 

(a) General
Rule. The entire Purchase Price or Exercise Price of Shares issued under the Plan shall be payable in cash or cash equivalents
at the time when such Shares are purchased, except as otherwise provided in this Section 8. In addition, the Board of Directors
in its sole discretion may also permit payment through any of the methods described in (b) through (g) below.

 

(b) Services Rendered.
Shares may be awarded under the Plan in consideration of services rendered to the Company, a Parent or a Subsidiary prior to the
award.

 

(c) Promissory
Note. All or a portion of the Purchase Price or Exercise Price (as the case may be) of Shares issued under the Plan may be
paid with a promissory note. The Shares shall be pledged as security for payment of the principal amount of the promissory note
and interest thereon. The interest rate payable under the terms of the promissory note shall not be less than the minimum rate
(if any) required to avoid the imputation of additional interest under the Code. Subject to the foregoing, the Board of Directors
in its sole discretion shall specify the term, interest rate, recourse, amortization requirements (if any) and other provisions
of such note.

 

(d) Surrender
of Stock. All or any part of the Exercise Price may be paid by surrendering, or attesting to the ownership of, Shares that
are already owned by the Optionee. Such Shares shall be surrendered to the Company in good form for transfer and shall be valued
at their Fair Market Value as of the date when the Option is exercised.

 

(e) Cashless
Exercise. All or part of the Exercise Price and any withholding taxes may be paid pursuant to a cashless exercise arrangement
(whether through a securities broker or otherwise) established by the Company whereby Shares subject to an Option are sold and
all or part of the sale proceeds are delivered to the Company.

 

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(f) Net Exercise.
An Option may permit exercise through a “net exercise” arrangement pursuant to which the Company will reduce the
number of Shares issued upon exercise by the largest whole number of Shares having an aggregate Fair Market Value (determined
by the Board of Directors as of the exercise date) that does not exceed the aggregate Exercise Price or the sum of the aggregate
Exercise Price and any withholding taxes (with the Company accepting from the Optionee payment of cash or cash equivalents to
satisfy any remaining balance of the aggregate Exercise Price and, if applicable, any additional withholding taxes not satisfied
through such reduction in Shares); provided that to the extent Shares subject to an Option are withheld in this manner,
the number of Shares subject to the Option following the net exercise will be reduced by the sum of the number of Shares withheld
and the number of Shares delivered to the Optionee as a result of the exercise.

  

(g)
Other Forms of Payment. To the extent that an Award Agreement so provides, the Purchase Price or Exercise Price of Shares
issued under the Plan may be paid in any other form permitted by the Delaware General Corporation Law, as amended.

 

SECTION 9. ADJUSTMENT OF SHARES.

 

(a) General.
In the event of a subdivision of the outstanding Stock, a declaration of a dividend payable in Shares, a combination or consolidation
of the outstanding Stock into a lesser number of Shares, a reclassification, or any other increase or decrease in the number of
issued shares of Stock effected without receipt of consideration by the Company, proportionate adjustments shall automatically
be made, as applicable, in each of (i) the number and kind of Shares available under Section 4, (ii) the number and kind of Shares
covered by each outstanding Option, Award of Restricted Stock Units and any outstanding and unexercised right to purchase Shares
that has not yet expired pursuant to Section 5(b), (iii) the Exercise Price under each outstanding Option and the Purchase Price
applicable to any unexercised stock purchase right described in clause (ii) above, and (iv) any repurchase price that applies to
Shares granted under the Plan pursuant to the terms of a Company repurchase right under the applicable Award Agreement. In the
event of a declaration of an extraordinary dividend payable in a form other than Shares in an amount that has a material effect
on the Fair Market Value of the Stock, a recapitalization, a spin-off, or a similar occurrence, the Board of Directors at its sole
discretion may make appropriate adjustments in one or more of the items listed in clauses (i) through (iv) above; provided, however,
that the Board of Directors shall in any event make such adjustments as may be required by Section 25102(o) of the California Corporations
Code to the extent the Company is relying on the exemption afforded thereunder with respect to an Award. No fractional Shares shall
be issued under the Plan as a result of an adjustment under this Section 9(a), although the Board of Directors in its sole discretion
may make a cash payment in lieu of fractional Shares.

 

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(b)
Corporate Transactions. In the event that the Company is a party to a merger or consolidation, or in the event of a sale
of all or substantially all of the Company’s stock or assets, all Shares acquired under the Plan and all Awards
outstanding on the effective date of the transaction shall be treated in the manner described in the definitive transaction
agreement (or, in the event the transaction does not entail a definitive agreement to which the Company is party, in the
manner determined by the Board of Directors in its capacity as administrator of the Plan, with such determination having
final and binding effect on all parties), which agreement or determination need not treat all Awards (or all portions of an
Award) in an identical manner. The treatment specified in the transaction agreement or as determined by the Board of
Directors may include (without limitation) one or more of the following with respect to each outstanding Award:

 

(i) The
Company, the surviving corporation or a parent thereof may continue or assume the Award or substitute a comparable award for the
Award (including, but not limited to, an award to acquire the same consideration paid to the holders of Shares in the transaction).
For avoidance of doubt, a comparable award need not be the same type of award as the Award for which it is substituted, and, in
the case of an Option, need not have the same tax-status (e.g., an NSO may be substituted for an ISO).

 

(ii) The
cancellation of the Award and a payment to the Participant with respect to each Share subject to the portion of the Award that
is vested as of the transaction date equal to the excess of (A) the value, as determined by the Board of Directors in its absolute
discretion, of the property (including cash) received by the holder of a share of Stock as a result of the transaction, over (if
applicable) (B) the per-Share Exercise Price of the Award (such excess, the “Spread”). Such payment shall be
made in the form of cash, cash equivalents, or securities of the surviving corporation or its parent having a value equal to the
Spread. In addition, any escrow, indemnification, holdback, earn-out or similar provisions in the transaction agreement may apply
to such payment to the same extent and in the same manner as such provisions apply to the holders of Stock. Receipt of the payment
described in this Subsection (b)(ii) may be conditioned upon the Participant acknowledging such escrow, indemnification, holdback,
earn-out or other provisions on a form prescribed by the Company. If the Spread applicable to an Award is zero or a negative number,
then the Award may be cancelled without making a payment to the Participant.

 

(iii) Even
if the Spread applicable to an Option is a positive number, the Option may be cancelled without the payment of any consideration;
provided that the Optionee shall be notified of such treatment and given an opportunity to exercise the Option (to the extent the
Option is vested or becomes vested as of the effective date of the transaction) during a period of not less than five (5) business
days preceding the effective date of the transaction, unless (A) a shorter period is required to permit a timely closing of the
transaction and (B) such shorter period still offers the Optionee a reasonable opportunity to exercise the Option.

 

(iv)
In the case of an Option: (A) suspension of the Optionee’s right to exercise the Option during a limited period of time
preceding the closing of the transaction if such suspension is administratively necessary to facilitate the closing of the
transaction and/or (B) termination of any right the Optionee has to exercise the Option prior to vesting in the Shares
subject to the Option (i.e., “early exercise”), such that following the closing of the transaction the Option may
only be exercised to the extent it is vested.

 

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For the avoidance of doubt,
the Board of Directors has discretion to accelerate, in whole or part, the vesting and exercisability of an Award in connection
with a corporate transaction covered by this Section 9(b).

 

(c) Dissolution
or Liquidation. To the extent not previously exercised or settled, Options, Restricted Stock Units and other rights to purchase
Shares shall terminate immediately prior to the liquidation or dissolution of the Company.

 

(d) Reservation
of Rights. Except as provided in Section 7(e) or this Section 9, a Participant shall have no rights by reason of (i) any subdivision
or consolidation of shares of stock of any class, (ii) the payment of any dividend or (iii) any other increase or decrease in the
number of shares of stock of any class. Any issuance by the Company of shares of stock of any class, or securities convertible
into shares of stock of any class, shall not affect, and no adjustment by reason thereof shall be made with respect to, the number
or Exercise Price of Shares subject to an Award. The grant of an Award pursuant to the Plan shall not affect in any way the right
or power of the Company to make adjustments, reclassifications, reorganizations or changes of its capital or business structure,
to merge or consolidate or to dissolve, liquidate, sell or transfer all or any part of its business or assets.

 

SECTION 10. MISCELLANEOUS PROVISIONS.

 

(a) Securities
Law Requirements. Shares shall not be issued under the Plan unless, in the opinion of counsel acceptable to the Board of Directors,
the issuance and delivery of such Shares complies with (or is exempt from) all applicable requirements of law, including (without
limitation) the Securities Act, the rules and regulations promulgated thereunder, state securities laws and regulations, and the
regulations of any stock exchange or other securities market on which the Company’s securities may then be traded. The Company
shall not be liable for a failure to issue Shares as a result of such requirements. Without limiting the foregoing, the Company
may suspend the exercise of some or all outstanding Options for a period of up to 60 days in order to facilitate compliance with
Securities Act Rule 701(e).

 

    12

     

    

 

(b) No Retention
Rights. Nothing in the Plan or in any right or Award granted under the Plan shall confer upon the Participant any right
to continue in Service for any period of specific duration or interfere with or otherwise restrict in any way the rights of
the Company (or any Parent or Subsidiary employing or retaining the Participant) or of the Participant, which rights are
hereby expressly reserved by each, to terminate his or her Service at any time and for any reason, with or without cause.

 

(c) Treatment
as Compensation. Any compensation that an individual earns or is deemed to earn under this Plan shall not be considered a part
of his or her compensation for purposes of calculating contributions, accruals or benefits under any other plan or program that
is maintained or funded by the Company, a Parent or a Subsidiary.

 

(d) Governing
Law. The Plan and all awards, sales and grants under the Plan shall be governed by, and construed in accordance with, the laws
of the State of Delaware (except its choice-of-law provisions), as such laws are applied to contracts entered into and performed
in such State.

 

(e) Conditions
and Restrictions on Shares. Shares issued under the Plan shall be subject to such forfeiture conditions, rights of repurchase,
rights of first refusal, other transfer restrictions and such other terms and conditions as the Board of Directors may determine.
Such conditions and restrictions shall be set forth in the applicable Award Agreement and shall apply in addition to any restrictions
that may apply to holders of Shares generally. In addition, Shares issued under the Plan shall be subject to conditions and restrictions
imposed either by applicable law or by Company policy, as adopted from time to time, designed to ensure compliance with applicable
law or laws with which the Company determines in its sole discretion to comply including in order to maintain any statutory, regulatory
or tax advantage, which (for avoidance of doubt) need not be set forth in the applicable Award Agreement.

 

(f) Tax Matters.

 

(i) As
a condition to the award, grant, issuance, vesting, purchase, exercise, settlement or transfer of any Award, or Shares issued pursuant
to any Award, granted under this Plan, the Participant shall make such arrangements as the Board of Directors may require or permit
for the satisfaction of any federal, state, local or foreign withholding tax obligations that may arise in connection with such
event.

 

    13

     

    

 

(ii) Unless
otherwise expressly set forth in an Award Agreement, it is intended that Awards shall be exempt from Code Section 409A, and any
ambiguity in the terms of an Award Agreement and the Plan shall be interpreted consistently with this intent. To the extent an
Award is not exempt from Code Section 409A (any such award, a “409A Award”), any ambiguity in the terms of
such Award and the Plan shall be interpreted in a manner that to the maximum extent permissible supports the Award’s compliance
with the requirements of that statute. Notwithstanding anything to the contrary permitted under the Plan, in no event shall a
modification of an Award not already subject to Code Section 409A, or any subsequent action taken with respect to such Award,
be given effect if such modification or action would cause the Award to become subject to Code Section 409A unless the parties
explicitly acknowledge and consent to the modification or action as one having that effect. A 409A Award shall be subject to such
additional rules and requirements as specified by the Board of Directors from time to time in order for it to comply with the
requirements of Code Section 409A. In this regard, if any amount under a 409A Award is payable upon a “separation from service”
to an individual who is considered a “specified employee” (as each term is defined under Code Section 409A), then
no such payment shall be made prior to the date that is the earlier of (i) six months and one day after the Participant’s
separation from service or (ii) the Participant’s death, but only to the extent such delay is necessary to prevent such
payment from being subject to Section 409A(a)(1). In addition, if a transaction subject to Section 9(b) constitutes a payment
event with respect to any 409A Award, then the transaction with respect to such award must also constitute a “change in
control event” as defined in Treasury Regulation Section 1.409A-3(i)(5) to the extent required by Code Section 409A.

 

(iii)
Neither the Company nor any member of the Board of Directors shall have any liability to a Participant in the event an Award held
by the Participant fails to achieve its intended characterization under applicable tax law.

 

SECTION 11. DURATION AND AMENDMENTS; STOCKHOLDER
APPROVAL.

 

(a) Term
of the Plan. The Plan, as set forth herein, shall become effective on the date of its adoption by the Board of Directors,
subject to approval of the Company’s stockholders under Subsection (d) below. The Plan shall terminate automatically 10
years after the later of (i) the date when the Board of Directors adopted the Plan or (ii) the date when the Board of
Directors approved the most recent increase in the number of Shares reserved under Section 4 that was also approved by the
Company’s stockholders. The Plan may be terminated on any earlier date pursuant to Subsection (b) below.

 

(b) Right to Amend or Terminate
the Plan. Subject to Subsection (d) below, the Board of Directors may amend, suspend or terminate the Plan at any time
and for any reason.

 

(c) Effect
of Amendment or Termination. No Shares shall be issued or sold and no Award granted under the Plan after the termination thereof,
except upon exercise or settlement of an Award granted under the Plan prior to such termination. Except as expressly provided in
Section 6(k) above, the termination of the Plan, or any amendment thereof, shall not affect any Share previously issued or any
Award previously granted under the Plan.

 

(d) Stockholder
Approval. To the extent required by applicable law, the Plan will be subject to approval of the Company’s stockholders
within 12 months of its adoption date. An amendment of the Plan will be subject to the approval of the Company’s stockholders
only to the extent required by applicable laws, regulations or rules.

 

SECTION 12. DEFINITIONS.

 

(a) “Award”
means any award granted under the Plan, including as an Option, an award of Restricted Stock Units or the grant or sale of Shares
pursuant to Section 5 of the Plan.

 

(b) “Award
Agreement” means a Restricted Stock Unit Agreement, Stock Grant Agreement, Stock Option Agreement or Stock Purchase Agreement
or such other agreement evidencing an Award under the Plan.

 

(c) “Board
of Directors” means the Board of Directors of the Company, as constituted from time to time.

 

(d) “Code”
means the Internal Revenue Code of 1986, as amended.

 

(e) “Committee”
means a committee of the Board of Directors, as described in Section 2(a).

 

(f) “Company”
means Space Apprentices Enterprise Inc., a Delaware corporation.

 

(g) “Consultant”
means a person, excluding Employees and Outside Directors, who performs bona fide services for the Company, a Parent3
or a Subsidiary as a consultant or advisor and who qualifies as a consultant
or advisor under Rule 701(c)(1) of the Securities Act or under Instruction A.1.(a)(1) of Form S-8 under the Securities Act. 

  

 

 

		3	Note that special considerations apply if the Company proposes
to grant awards to consultant or advisor of a Parent company.

 

    14

     

    

 

(h) “Date
of Grant” means the date of grant specified in the Award Agreement, which date shall be the later of (i) the date on
which the Board of Directors resolved to grant the Award or (ii) the first day of the Participant’s Service.

 

(i) “Disability”
means that the Optionee is unable to engage in any substantial gainful activity by reason of any medically determinable physical
or mental impairment.

 

(j) “Employee”
means any individual who is a commonlaw employee of the Company, a Parent4 or a Subsidiary.

 

(k) “Exchange Act”
means the Securities Exchange Act of 1934, as amended.

 

(l) “Exercise
Price” means the amount for which one Share may be purchased upon exercise of an Option, as specified by the Board of
Directors in the applicable Stock Option Agreement.

 

(m) “Fair
Market Value” means the fair market value of a Share, as determined by the Board of Directors in good faith. Such determination
shall be conclusive and binding on all persons.

 

(n) “Grantee”
means a person to whom the Board of Directors has awarded Shares under the Plan.

 

(o) “ISO”
means an Option that qualifies as an incentive stock option as described in Code Section 422(b). Notwithstanding its designation
as an ISO, an Option that does not qualify as an ISO under applicable law shall be treated for all purposes as an NSO.

 

(p) “NSO”
means an Option that does not qualify as an incentive stock option as described in Code Section 422(b) or 423(b).

 

(q) “Option”
means an ISO or NSO granted under the Plan and entitling the holder to purchase Shares.

 

(r) “Optionee”
means a person who holds an Option.

 

(s) “Outside Director”
means a member of the Board of Directors who is not

an Employee.

 

(t) “Parent”
means any corporation (other than the Company) in an unbroken chain of corporations ending with the Company, if each of the
corporations other than the Company owns stock possessing 50% or more of the total combined voting power of all classes of stock in one of the other
corporations in such chain. A corporation that attains the status of a Parent on a date after the adoption of the Plan shall be
considered a Parent commencing as of such date.

 

 

 

		4	Note that special considerations apply if the Company proposes
to grant awards to an Employee of a Parent company.

 

    15

     

    

 

(u) “Participant”
means the holder of an outstanding Award.

 

(v) “Plan”
means this Space Apprentices Enterprise Inc. 2018 Stock Plan.

 

(w) “Purchase
Price” means the consideration for which one Share may be acquired under the Plan (other than upon exercise of an Option),
as specified by the Board of Directors.

 

(x) “Purchaser”
means a person to whom the Board of Directors has offered the right to purchase Shares under the Plan (other than upon exercise
of an Option).

 

(y) “Restricted
Stock Unit” means a bookkeeping entry representing the equivalent of one Share, as awarded under the Plan.

 

(z) “Restricted
Stock Unit Agreement” means the agreement between the Company and the recipient of a Restricted Stock Unit that contains
the terms, conditions and restrictions pertaining to such Restricted Stock Unit.

 

(aa) “Securities Act” means the
Securities Act of 1933, as amended.

 

(bb) “Service”
means service as an Employee, Outside Director or Consultant. In case of any dispute as to whether and when Service has terminated,
the Board of Directors shall have sole discretion to determine whether such termination has occurred and the effective date of
such termination.

 

(cc) “Share”
means one share of Stock, as adjusted in accordance with Section 9 (if applicable).

 

(dd) “Stock” means the Class A Common
Stock of the Company.

 

(ee) “Stock
Grant Agreement” means the agreement between the Company and a Grantee who is awarded Shares under the Plan that contains
the terms, conditions and restrictions pertaining to the award of such Shares.

 

(ff) “Stock
Option Agreement” means the agreement between the Company and an Optionee that contains the terms, conditions and restrictions
pertaining to the Optionee’s Option.

 

(gg) “Stock
Purchase Agreement” means the agreement between the Company and a Purchaser who purchases Shares under the Plan that
contains the terms, conditions and restrictions pertaining to the purchase of such Shares.

 

(hh) “Subsidiary”
means any corporation (other than the Company) in an unbroken chain of corporations beginning with the Company, if each of the
corporations other than the last corporation in the unbroken chain owns stock possessing 50% or more of the total combined voting
power of all classes of stock in one of the other corporations in such chain. A corporation that attains the status of a Subsidiary
on a date after the adoption of the Plan shall be considered a Subsidiary commencing as of such date.

  

    16

     

    

 

Exhibit
a

 

Schedule
Of Shares Reserved For Issuance Under The Plan

 

	Date
    of Board 

Approval	 	Date
    of Stockholder

 Approval	 	Number
    of 

Shares Added	 	Cumulative
    Number 

of Shares
	 	 	 	 	 	 	 
	 	 	 	 	Not
    Applicable	 	19,325,958

 

Summary
Of Modifications And Amendments To The Plan

 

The
following is a summary of material modifications made to the Plan (including any material deviations from the Gunderson Dettmer
precedent form used to create the Plan):

 

    17

     

    

 

Space
Apprentices Enterprise Inc. 2018 Stock Plan

 

Notice
Of Stock Option Grant (installment Exercise)

 

The
Optionee has been granted the following option to purchase shares of the Class A Common Stock of Space Apprentices Enterprise
Inc. (the “Company”):

 

	 	Name
    of Optionee:	«Name»
	 	 	 
	 	Total
    Number of Shares:	«TotalShares»
	 	 	 
	 	Type
    of Option:	«ISO»
    Incentive Stock Option (ISO)
	 	 	 
	 	«NSO»
    Nonstatutory Stock Option (NSO)	 
	 	 	 
	 	Exercise
    Price per Share:	$«PricePerShare»
	 	 	 
	 	Date
    of Grant:	«DateGrant»
	 	 	 
	 	Vesting
    Schedule/Date Exercisable:	This
    option shall vest and become exercisable with respect to the first «Percent»% of the Shares subject to this option
    when the Optionee completes «CliffPeriod» months of continuous Service beginning with the Vesting Commencement
    Date set forth below. This option shall vest and become exercisable «Fraction»% of the Shares subject to this
    option when the Optionee completes each month of continuous Service thereafter. with respect to an additional
	 	 	 
	 	Vesting
    Commencement Date:	«VestComDate»
	 	 	 
	 	Expiration
    Date:	«ExpDate».
    This option expires earlier if the Optionee’s Service terminates earlier, as provided  in Section 6 of the
    Stock Option Agreement, or if the Company engages in certain corporate transactions, as provided in Section 9 of the Plan.

 

By
signing below or otherwise accepting this option in a manner acceptable to the Company, the Optionee and the Company agree that
this option is granted under, and governed by the terms and conditions of, this Notice of Stock Option Grant, the 2018 Stock Plan
and the Stock Option Agreement. Both of the latter documents are attached to, and made a part of, this Notice of Stock Option
Grant. Capitalized terms not otherwise defined herein or in the Stock Option Agreement shall have the meanings set forth in the
Plan. Section 14 of the Stock Option Agreement includes important acknowledgements of the Optionee.

 

	Optionee:	Space
    Apprentices Enterprise Inc.
	 	 	 
	 	By:	            
	 	Title:	 

 

    1

     

    

 

THE
OPTION GRANTED PURSUANT TO THE NOTICE OF STOCK OPTION GRANT AND THIS AGREEMENT AND THE SHARES ISSUABLE UPON THE EXERCISE THEREOF
HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE SOLD, PLEDGED, OR OTHERWISE TRANSFERRED
WITHOUT AN EFFECTIVE REGISTRATION THEREOF UNDER SUCH ACT OR AN OPINION OF COUNSEL, SATISFACTORY TO THE COMPANY AND ITS COUNSEL,
THAT SUCH REGISTRATION IS NOT REQUIRED.

 

Space
Apprentices Enterprise Inc. 2018 Stock Plan:

Stock
option agreement (installment exercise)

 

SECTION
1. Grant Of Option.

 

(a)
Option. On the terms and conditions set forth in the Notice of Stock Option Grant, this Agreement and the Plan, the Company
has granted to the Optionee on the Date of Grant the option to purchase at the Exercise Price the number of Shares set forth in
the Notice of Stock Option Grant. The Exercise Price is agreed to be at least 100% of the Fair Market Value per Share on the Date
of Grant (110% of Fair Market Value if this option is designated as an ISO in the Notice of Stock Option Grant and Section 3(b)
of the Plan applies). This option is intended to be an ISO or an NSO, as provided in the Notice of Stock Option Grant.

 

(b)
$100,000 Limitation. Even if this option is designated as an ISO in the Notice of Stock Option Grant, it shall be deemed
to be an NSO to the extent (and only to the extent) required by the $100,000 annual limitation under Section 422(d) of the Code.

 

(c)
Stock Plan and Defined Terms. This option is granted pursuant to the Plan, a copy of which the Optionee acknowledges having
received. The provisions of the Plan are incorporated into this Agreement by this reference. Except as otherwise defined in this
Agreement (including without limitation Section 15 hereof), capitalized terms shall have the meaning ascribed to such terms in
the Plan.

 

SECTION
2. Right To Exercise.

 

(a)
Exercisability. Subject to Subsection (b) below and the other conditions set forth in this Agreement, all or part of this
option may be exercised prior to its expiration at the time or times set forth in the Notice of Stock Option Grant.

 

(b)
Stockholder Approval. Any other provision of this Agreement notwithstanding, no portion of this option shall be exercisable
at any time prior to the approval of the Plan by the Company’s stockholders.

 

SECTION
3. No Transfer Or Assignment Of Option.

 

Except
as otherwise provided in or pursuant to this Agreement or the Plan, this option and the rights and privileges conferred hereby
shall not be sold, pledged or otherwise transferred (whether by operation of law or otherwise) and shall not be subject to sale
under execution, attachment, levy or similar process.

 

    1

     

    

 

SECTION
4. Exercise Procedures.

 

(a)
Notice of Exercise. The Optionee or the Optionee’s representative may exercise this option by: (i) signing and delivering
written notice (on a form prescribed by the Company) to the Company pursuant to Section 13(c) specifying the election to exercise
this option, the number of Shares for which it is being exercised and the form of payment, (ii) if requested by the Company, executing
and delivering such stockholders agreements as apply to the holders of the Company’s preferred stock (including, without
limitation, any right of first refusal and co-sale agreement and/or voting agreement of the Company) and (iii) delivering payment,
in a form permissible under Section 5, for the full amount of the Purchase Price (together with any applicable withholding taxes
under Subsection (b)). In the event that this option is being exercised by the representative of the Optionee, the notice shall
be accompanied by proof (satisfactory to the Company) of the representative’s right to exercise this option.

 

(b)
Withholding Taxes. In the event that the Company determines that it is required to withhold any tax (including without
limitation any income tax, social insurance contributions, payroll tax, payment on account or other tax-related items arising
in connection with the Optionee’s participation in the Plan and legally applicable to the Optionee (the “Tax-Related
Items”)) as a result of the grant, vesting or exercise of this option, or as a result of the transfer of shares acquired
upon exercise of this option, the Optionee, as a condition of this option, shall make arrangements satisfactory to the Company
to enable it to satisfy all Tax-Related Items. The Optionee acknowledges that the responsibility for all Tax-Related Items is
the Optionee’s and may exceed the amount actually withheld by the Company (or its affiliate or agent).

 

(c)
Issuance of Shares. After satisfying all requirements for exercise of this option, the Company shall cause to be issued
one or more certificates evidencing, or electronic notation representing, the Shares for which this option has been exercised.
Such Shares shall be registered (i) in the name of the person exercising this option, (ii) in the names of such person and his
or her spouse as community property or as joint tenants with the right of survivorship or (iii) with the Company’s consent,
in the name of a revocable trust. Until the issuance of the Shares has been entered into the books and records of the Company
or a duly authorized transfer agent of the Company, no right to vote, receive dividends or any other right as a stockholder will
exist with respect to such Shares. The Company shall cause any certificates evidencing such Shares to be delivered to or upon
the order of the person exercising this option.

 

SECTION
5. Payment For Stock.

 

(a)
Cash. All or part of the Purchase Price may be paid in cash or cash equivalents or pursuant to a form of electronic funds
transfer acceptable to the Company.

 

(b)
Surrender of Stock. At the discretion of the Board of Directors, all or any part of the Purchase Price may be paid by surrendering,
or attesting to the ownership of, Shares that are already owned by the Optionee. Such Shares shall be surrendered to the Company
in good form for transfer and shall be valued at their Fair Market Value as of the date when this option is exercised.

 

    2

     

    

 

(c)
Cashless Exercise. All or part of the Purchase Price and any withholding taxes may be paid by the delivery (on a form prescribed
by the Company) of an irrevocable direction to a securities broker approved by the Company to sell Shares and to deliver all or
part of the sales proceeds to the Company. However, payment pursuant to the preceding sentence shall be permitted only if (i)
Stock then is publicly traded and (ii) such payment does not violate applicable law. At the discretion of the Board of Directors,
all or part of the Purchase Price and any withholding taxes may be paid pursuant to another cashless exercise arrangement established
by the Company.

 

SECTION
6. Term And Expiration.

 

(a)
Basic Term. This option shall in any event expire on the expiration date set forth in the Notice of Stock Option Grant,
which date is 10 years after the Date of Grant (five years after the Date of Grant if this option is designated as an ISO in the
Notice of Stock Option Grant and Section 3(b) of the Plan applies).

 

(b)
Termination of Service (Except by Death). If the Optionee’s Service terminates for any reason other than death, then
this option shall expire on the earliest of the following occasions:

 

	 	(i)	The
    expiration date determined pursuant to Subsection (a) above;

 

		(ii)	The
date three months after the termination of the Optionee’s Service for any reason other than Disability; or

 

		(iii)	The
date six months after the termination of the Optionee’s Service by reason of Disability.

 

The
Optionee may exercise all or part of this option at any time before its expiration under the preceding sentence, but only to the
extent that this option had become vested and exercisable before the Optionee’s Service terminated or becomes vested and
exercisable as a result of such termination. In the event that the Optionee dies after termination of Service but before the expiration
of this option, all or part of this option may be exercised (prior to expiration) by the executors or administrators of the Optionee’s
estate or by any person who has acquired this option directly from the Optionee by beneficiary designation, bequest or inheritance,
but only to the extent that this option had become vested and exercisable before the Optionee’s Service terminated or becomes
vested and exercisable as a result of such termination. Once this option (or portion thereof) has terminated, the Optionee shall
have no further rights with respect to the option (or portion thereof) or to the underlying Shares.

 

(c)
Death of the Optionee. If the Optionee dies while in Service, then this option shall expire on the earlier of the following
dates:

 

		(i)	The
expiration date determined pursuant to Subsection (a) above; or

 

		(ii)	The
date 12 months after the Optionee’s death.

 

    3

     

    

 

All
or part of this option may be exercised at any time before its expiration under the preceding sentence by the executors or administrators
of the Optionee’s estate or by any person who has acquired this option directly from the Optionee by beneficiary designation,
bequest or inheritance, but only to the extent that this option had become vested and exercisable before the Optionee’s
death or becomes vested and exercisable as a result of the Optionee’s death. Once this option (or portion thereof) has terminated,
the Optionee shall have no further rights with respect to the option (or portion thereof) or to the underlying Shares.

 

(d) Additional
Vesting After Termination of Service. The period of time beginning on the date that the Optionee’s Service
terminates or the date that the Optionee dies while in Service and ending on the earliest of the occasions determined
pursuant to Subsections (b) or (c) above, as applicable, is referred to as the “post-termination exercise
period”. To the extent this option is not fully vested and exercisable on the date the Optionee’s Service
terminates or the date that the Optionee dies while in Service, the Board of Directors may, during the post-termination
exercise period, take action to cause this option to become vested and exercisable (in whole or in part). In no event will
this option become vested or exercisable after termination of the Optionee’s Service or death unless the Board of
Directors takes affirmative action pursuant to the preceding sentence or unless expressly provided in a written agreement
between the Company and the Optionee. In this regard, any provision of this Agreement or another agreement that provides for
vesting upon an event (including, without limitation, a change in control) will be deemed to require Service through the
occurrence of such event unless the agreement clearly provides otherwise.

 

(e)
Extension of Post-Termination Exercise Periods. Following the date on which the Company’s Stock is first listed for
trading on an established securities market, if during any part of the exercise period described in Subsections (b)(ii) or (iii)
or Subsection (c)(ii) above the exercise of this option would be prohibited solely because the issuance of Shares upon such exercise
would violate the registration requirements under the Securities Act or a similar provision of other applicable law, then instead
of terminating at the end of such prescribed period, the then-vested portion of this option will instead remain outstanding and
not expire until the earlier of (i) the expiration date determined pursuant to Section 6(a) above or (ii) the date on which the
then-vested portion of this option has been exercisable without violation of applicable law for the aggregate period (which need
not be consecutive) after termination of the Optionee’s Service specified in the applicable Subsection above.

 

(f)
Part-Time Employment and Leaves of Absence. If the Optionee commences working on a part-time basis, then the Company may
adjust the vesting schedule set forth in the Notice of Stock Option Grant. If the Optionee goes on a leave of absence, then, to
the extent permitted by applicable law, the Company may adjust or suspend the vesting schedule set forth in the Notice of Stock
Option Grant. Except as provided in the preceding sentence, Service shall be deemed to continue for any purpose under this Agreement
while the Optionee is on a bona fide leave of absence approved by the Company in writing. Service shall be deemed to terminate
when such leave ends, unless the Optionee immediately returns to active work when such leave ends.

 

    4

     

    

 

(g)
Notice Concerning ISO Treatment. Even if this option is designated as an ISO in the Notice of Stock Option Grant, it ceases
to qualify for favorable tax treatment as an ISO to the extent that it is exercised:

 

		(i)	More
than three months after the date when the Optionee ceases to be an Employee for any reason other than death or permanent and total
disability (as defined in Section 22(e)(3) of the Code);

 

		(ii)	More
than 12 months after the date when the Optionee ceases to be an Employee by reason of permanent and total disability (as defined
in Section 22(e)(3) of the Code); or

 

		(iii)	More
than three months after the date when the Optionee has been on a leave of absence for three months, unless the Optionee’s
reemployment rights following such leave were guaranteed by statute or by contract.

 

SECTION
7. Right Of First Refusal.

 

(a)
Right of First Refusal. In the event that the Optionee proposes to sell, pledge or otherwise transfer to a third party
any Shares acquired under this Agreement, or any interest in such Shares, the Company shall have the Right of First Refusal with
respect to all (and not less than all) of such Shares. If the Optionee desires to transfer Shares acquired under this Agreement,
the Optionee shall give a written Transfer Notice to the Company describing fully the proposed transfer, including the number
of Shares proposed to be transferred, the proposed transfer price, the name and address of the proposed Transferee and proof satisfactory
to the Company that the proposed sale or transfer will not violate any applicable federal, State or foreign securities laws. The
Transfer Notice shall be signed both by the Optionee and by the proposed Transferee and must constitute a binding commitment of
both parties to the transfer of the Shares. The Company shall have the right to purchase all, and not less than all, of the Shares
on the terms of the proposal described in the Transfer Notice (subject, however, to any change in such terms permitted under Subsection
(b) below) by delivery of a notice of exercise of the Right of First Refusal within 30 days after the date when the Transfer Notice
was received by the Company.

 

(b)
Transfer of Shares. If the Company fails to exercise its Right of First Refusal within 30 days after the date when it received
the Transfer Notice, the Optionee may, not later than 90 days following receipt of the Transfer Notice by the Company, conclude
a transfer of the Shares subject to the Transfer Notice on the terms and conditions no less favorable to the Optionee than those
described in the Transfer Notice, provided that any such sale is made in compliance with applicable federal, State and foreign
securities laws and not in violation of any other contractual restrictions to which the Optionee is bound. Any proposed transfer
on terms and conditions less favorable than those described in the Transfer Notice, as well as any subsequent proposed transfer
by the Optionee, shall again be subject to the Right of First Refusal and shall require compliance with the procedure described
in Subsection (a) above. If the Company exercises its Right of First Refusal, the parties shall consummate the sale of the Shares
on the terms set forth in the Transfer Notice within 60 days after the date when the Company received the Transfer Notice (or
within such longer period as may have been specified in the Transfer Notice); provided, however, that in the event the Transfer
Notice provided that payment for the Shares was to be made in a form other than cash or cash equivalents paid at the time of transfer,
the Company shall have the option of paying for the Shares with cash or cash equivalents equal to the present value of the consideration
described in the Transfer Notice.

 

    5

     

    

 

(c)
Additional or Exchanged Securities and Property. In the event of a merger or consolidation of the Company, a sale of all
or substantially all of the Company’s stock or assets, any other corporate reorganization, a stock split, the declaration
of a stock dividend, the declaration of an extraordinary dividend payable in a form other than stock, a spin-off, an adjustment
in conversion ratio, a recapitalization or a similar transaction affecting the Company’s outstanding securities, any securities
or other property (including cash or cash equivalents) that are by reason of such transaction exchanged for, or distributed with
respect to, any Shares subject to this Section 7 shall immediately be subject to the Right of First Refusal. Appropriate adjustments
to reflect the exchange or distribution of such securities or property shall be made to the number and/or class of the Shares
subject to this Section 7.

 

(d)
Termination of Right of First Refusal. Any other provision of this Section 7 notwithstanding, in the event that the Stock
is readily tradable on an established securities market when the Optionee desires to transfer Shares, the Company shall have no
Right of First Refusal, and the Optionee shall have no obligation to comply with the procedures prescribed by Subsections (a)
and (b) above.

 

(e)
Permitted Transfers. This Section 7 shall not apply to (i) a transfer by beneficiary designation, will or intestate succession
or (ii) a transfer to one or more members of the Optionee’s Immediate Family or to a trust or other entity established by
the Optionee solely for the benefit of the Optionee and/or one or more members of the Optionee’s Immediate Family, provided
in either case that the Transferee agrees in writing on a form prescribed by the Company to be bound by all provisions of this
Agreement. If the Optionee transfers any Shares acquired under this Agreement, either under this Subsection (e) or after the Company
has failed to exercise the Right of First Refusal, then this Agreement shall apply to the Transferee to the same extent as to
the Optionee.

 

(f)
Termination of Rights as Stockholder. If the Company makes available, at the time and place and in the amount and form
provided in this Agreement, the consideration for the Shares to be purchased in accordance with this Section 7, then after such
time the person from whom such Shares are to be purchased shall no longer have any rights as a holder of such Shares (other than
the right to receive payment of such consideration in accordance with this Agreement). Such Shares shall be deemed to have been
purchased in accordance with the applicable provisions hereof, whether or not any certificate(s) therefor have been delivered
as required by this Agreement.

 

(g)
Assignment of Right of First Refusal. The Board of Directors may freely assign the Company’s Right of First Refusal,
in whole or in part. Any person who accepts an assignment of the Right of First Refusal from the Company shall be entitled to
and assume all of the Company’s rights and obligations under this Section 7.

 

    6

     

    

 

SECTION
8. Legality Of Initial Issuance.

 

No
Shares shall be issued upon the exercise of this option unless and until the Company has determined that:

 

(a)
It and the Optionee have taken any actions required to register the Shares under the Securities Act or to perfect an exemption
from the registration requirements thereof;

 

(b)
Any applicable listing requirement of any stock exchange or other securities market on which Stock is listed has been satisfied;
and

 

(c)
Any other applicable provision of federal, State or foreign law has been satisfied.

 

SECTION
9. No Registration Rights.

 

The
Company may, but shall not be obligated to, register or qualify the sale of Shares under the Securities Act or any other applicable
law. The Company shall not be obligated to take any affirmative action in order to cause the sale of Shares under this Agreement
to comply with any law.

 

SECTION
10. Restrictions On Transfer Of Shares.

 

(a)
General Restrictions. Unless the Stock is readily tradeable on an established securities market, the transfer of any of
the Shares acquired pursuant to this Agreement (or any interest therein) shall, at the Company’s request, be conditioned
upon (i) effecting such transfer pursuant to a form of stock transfer agreement prescribed by the Company and (ii) payment of
a transfer fee not to exceed $5,000.

 

(b)
Securities Law Restrictions. Regardless of whether the offer and sale of Shares under the Plan have been registered under
the Securities Act or have been registered or qualified under the securities laws of any State or other relevant jurisdiction,
the Company at its discretion may impose restrictions upon the sale, pledge or other transfer of such Shares (including the placement
of appropriate legends on the stock certificates (or electronic equivalent) or the imposition of stop-transfer instructions) and
may refuse (or may be required to refuse) to transfer Shares acquired hereunder (or Shares proposed to be transferred in a subsequent
transfer) if, in the judgment of the Company, such restrictions, legends or refusal are necessary or appropriate to achieve compliance
with the Securities Act or other relevant securities or other laws, including without limitation under Regulation S of the Securities
Act or pursuant to another available exemption from registration.

 

    7

     

    

 

(c)
Market Stand-Off. In connection with any underwritten public offering by the Company of its equity securities pursuant
to an effective registration statement filed under the Securities Act, including the Company’s initial public offering,
the Optionee or a Transferee shall not directly or indirectly sell, make any short sale of, loan, hypothecate, pledge, offer,
grant or sell any option or other contract for the purchase of, purchase any option or other contract for the sale of, or otherwise
dispose of or transfer, or agree to engage in any of the foregoing transactions with respect to, any Shares acquired under this
Agreement without the prior written consent of the Company or its managing underwriter. Such restriction (the “Market
Stand-Off”) shall be in effect for such period of time following the date of the final prospectus for the offering as
may be requested by the Company or such underwriter. In no event, however, shall such period exceed 180 days plus such additional
period as may reasonably be requested by the Company or such underwriter to accommodate regulatory restrictions on (i) the publication
or other distribution of research reports or (ii) analyst recommendations and opinions, including (without limitation) the restrictions
set forth in Rule 2711(f)(4) of the National Association of Securities Dealers and Rule 472(f)(4) of the New York Stock Exchange,
as amended, or any similar successor rules. The Market Stand-Off shall in any event terminate two years after the date of the
Company’s initial public offering. In the event of the declaration of a stock dividend, a spin-off, a stock split, an adjustment
in conversion ratio, a recapitalization or a similar transaction affecting the Company’s outstanding securities without
receipt of consideration, any new, substituted or additional securities which are by reason of such transaction distributed with
respect to any Shares subject to the Market Stand-Off, or into which such Shares thereby become convertible, shall immediately
be subject to the Market Stand-Off. In order to enforce the Market Stand-Off, the Company may impose stop-transfer instructions
with respect to the Shares acquired under this Agreement until the end of the applicable stand-off period. The Company’s
underwriters shall be beneficiaries of the agreement set forth in this Subsection (b). This Subsection (b) shall not apply to
Shares registered in the public offering under the Securities Act.

 

(d)
Investment Intent at Grant. The Optionee represents and agrees that the Shares to be acquired upon exercising this option
will be acquired for investment, and not with a view to the sale or distribution thereof.

 

(e)
Investment Intent at Exercise. In the event that the sale of Shares under the Plan is not registered under the Securities
Act but an exemption is available that requires an investment representation or other representation, the Optionee shall represent
and agree at the time of exercise that the Shares being acquired upon exercising this option are being acquired for investment,
and not with a view to the sale or distribution thereof, and shall make such other representations as are deemed necessary or
appropriate by the Company and its counsel, including (if applicable because the Company is relying on Regulation S under the
Securities Act) that as of the date of exercise the Optionee is (i) not a U.S. Person; (ii) not acquiring the Shares on behalf,
or for the account or benefit, of a U.S. Person; and (iii) is not exercising the option in the United States.

 

(f)
Legends. Any certificates (or electronic equivalent) evidencing Shares purchased under this Agreement shall bear the following
legend:

 

“THE
SHARES REPRESENTED HEREBY (AND ANY INTEREST THEREIN) MAY NOT BE SOLD, ASSIGNED, TRANSFERRED, ENCUMBERED OR IN ANY MANNER DISPOSED
OF, EXCEPT IN COMPLIANCE WITH THE TERMS OF THE STOCK OPTION AGREEMENT PURSUANT TO WHICH SUCH SHARES WERE ACQUIRED. SUCH AGREEMENT
GRANTS TO THE COMPANY CERTAIN RIGHTS OF FIRST REFUSAL UPON AN ATTEMPTED TRANSFER OF THE SHARES. IN ADDITION, THE SHARES ARE SUBJECT
TO RESTRICTIONS ON TRANSFER AS SET FORTH IN SUCH STOCK OPTION AGREEMENT. THE SECRETARY OF THE COMPANY WILL UPON WRITTEN REQUEST
FURNISH A COPY OF SUCH STOCK OPTION AGREEMENT TO THE HOLDER HEREOF WITHOUT CHARGE.”

 

    8

     

    

 

Any
certificates (or electronic equivalent) evidencing Shares purchased under this Agreement in an unregistered transaction shall
bear the following legend (and such other restrictive legends as are required or deemed advisable under the provisions of any
applicable law):

 

“THE
SHARES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”) OR ANY
SECURITIES LAWS OF ANY U.S. STATE, AND MAY NOT BE SOLD, REOFFERED, PLEDGED, ASSIGNED, ENCUMBERED OR OTHERWISE TRANSFERRED OR DISPOSED
WITHOUT AN EFFECTIVE REGISTRATION THEREOF UNDER SUCH ACT OR AN OPINION OF COUNSEL, SATISFACTORY TO THE COMPANY AND ITS COUNSEL,
THAT SUCH REGISTRATION IS NOT REQUIRED. IN THE ABSENCE OF REGISTRATION OR THE AVAILABILITY (CONFIRMED BY OPINION OF COUNSEL) OF
AN ALTERNATIVE EXEMPTION FROM REGISTRATION UNDER THE ACT (INCLUDING WITHOUT LIMITATION IN ACCORDANCE WITH REGULATION S UNDER THE
ACT), THESE SHARES MAY NOT BE SOLD, REOFFERED, PLEDGED, ASSIGNED, ENCUMBERED OR OTHERWISE TRANSFERRED OR DISPOSED OF. HEDGING
TRANSACTIONS INVOLVING THESE SHARES MAY NOT BE CONDUCTED UNLESS IN COMPLIANCE WITH THE ACT.”

 

(g)
Removal of Legends. If, in the opinion of the Company and its counsel, any legend placed on a stock certificate representing
Shares sold under this Agreement is no longer required, the holder of such certificate shall be entitled to exchange such certificate
for a certificate representing the same number of Shares but without such legend.

 

(h)
Administration. Any determination by the Company and its counsel in connection with any of the matters set forth in this
Section 10 shall be conclusive and binding on the Optionee and all other persons.

 

SECTION
11. Drag Along Right.

 

(a)
Required Actions. If the Requisite Parties approve a Sale of the Company, then Optionee hereby agrees with respect to all
Shares which the Optionee own(s) or over which the Optionee otherwise exercises voting or dispositive authority:

 

(i)
if such Sale of the Company requires stockholder approval under the Certificate, the Bylaws of the Company or any law, rule or
regulation applicable to the Company, to vote (in person, by proxy or by action by written consent, as applicable) such Shares
in favor of such Sale of the Company (it being understood that, within five (5) days after the delivery of a proxy or consent
solicitation statement (or similar document requesting the consent or approval of stockholders) in respect of any Sale of the
Company, the Stockholder shall duly execute and deliver a proxy or consent, as the case may be, in favor of such Sale of the Company);

 

    9

     

    

 

(ii)
if such transaction is a Stock Sale, to sell the same proportion of shares of capital stock of the Company beneficially held by
the Optionee as is being sold by the Selling Holders to the person to whom the Selling Holders propose to sell their Shares;

 

(iii)
to refrain from exercising any dissenters’ rights or rights of appraisal under applicable law at any time with respect to
such Sale of the Company;

 

(iv)
if the consideration for such Shares pursuant to the Sale of the Company includes any securities, accept in lieu thereof an amount
of cash equal to the fair value (as determined in good faith by the Company) of such securities to the extent reasonably necessary
(as determined in good faith by the Company) to comply with applicable federal and state securities laws;

 

(v)
if the Selling Holders appoint a stockholder representative (the “Stockholder Representative”) for matters
affecting the stockholders of the Company under the applicable definitive transaction agreements, to consent to (i) the appointment
of such Stockholder Representative, (ii) the establishment of any applicable escrow, expense or similar fund in connection with
any indemnification or similar obligations, and (iii) the payment of such Stockholder’s pro rata portion (from the applicable
escrow or expense fund or otherwise) of any and all reasonable fees and expenses to such Stockholder Representative in connection
with such Stockholder Representative’s services and duties in connection with such Sale of the Company and its related service
as the representative of the Stockholders;

 

(vi)
to agree to make representations and warranties and to agree to indemnity and other liability obligations in connection with the
Sale of the Company on terms and conditions that, taken as a whole, are no less favorable to Optionee than to other holders of
Class A Common Stock of the Company; and

 

(vii)
to execute and deliver all related documentation and take such other action in support of the Sale of the Company, as reasonably
requested by the Company, including a written consent, release and/or joinder, and to not take any action inconsistent with the
Sale of the Company.

 

(b)
Exceptions. Notwithstanding the foregoing, an Optionee will not be required to comply with Subsection (a) above in connection
with any Sale of the Company unless (i) each holder of each class or series of the Company’s stock will receive the same
form of consideration for their shares of such class or series as is received by other holders in respect of their shares of such
same class or series of stock and (ii) each holder of Class A Common Stock will receive the same amount of consideration per share
of Class A Common Stock as is received by other holders in respect of their shares of Class A Common Stock, subject, in each case,
to any “rollover” or similar arrangements provided in the definitive documents relating to such Sale of the Company.
If the consideration to be paid in exchange for the Shares pursuant to such Sale of the Company includes any securities and due
receipt thereof by the Optionee would require under applicable law (x) the registration or qualification of such securities or
of any person as a broker or dealer or agent with respect to such securities; or (y) the provision to any Optionee of any information
other than such information as a prudent issuer would generally furnish in an offering made solely to “accredited investors”
as defined in Regulation D promulgated under the Securities Act, the Company may cause to be paid to any such Optionee in lieu
thereof, against surrender of the Shares which would have otherwise been sold by such Optionee, an amount in cash equal to the
fair value (as determined in good faith by the Company’s Board of Directors or the Requisite Parties, as applicable) of
the securities which such Optionee would otherwise receive as of the date of the issuance of such securities in exchange for the
Shares.

 

    10

     

    

 

SECTION
12. Adjustment Of Shares.

 

In
the event of any transaction described in Section 9(a) of the Plan, the terms of this option (including, without limitation, the
number and kind of Shares subject to this option and the Exercise Price) shall be adjusted as set forth in Section 9(a) of the
Plan. In the event that the Company is a party to a merger or consolidation or in the event of a sale of all or substantially
all of the Company’s stock or assets, this option shall be subject to the treatment provided by the Board of Directors in
its sole discretion, as provided in Section 9(b) of the Plan.

 

SECTION
13. Miscellaneous Provisions.

 

(a)
Rights as a Stockholder. Neither the Optionee nor the Optionee’s representative shall have any rights as a stockholder
with respect to any Shares subject to this option until the Optionee or the Optionee’s representative becomes entitled to
receive such Shares by filing a notice of exercise and paying the Purchase Price pursuant to Sections 4 and 5.

 

(b)
No Retention Rights. Nothing in this option or in the Plan shall confer upon the Optionee any right to continue in Service
for any period of specific duration or interfere with or otherwise restrict in any way the rights of the Company (or any Parent
or Subsidiary employing or retaining the Optionee) or of the Optionee, which rights are hereby expressly reserved by each, to
terminate his or her Service at any time and for any reason, with or without cause.

 

(c)
Notice. Any notice required by the terms of this Agreement shall be given in writing. It shall be deemed effective upon
(i) personal delivery, (ii) deposit with the United States Postal Service, by registered or certified mail, with postage and fees
prepaid, (iii) deposit with Federal Express Corporation, with shipping charges prepaid or (iv) deposit with any internationally
recognized express mail courier service, with shipping charges prepaid. Notice shall be addressed to the Company at its principal
executive office and to the Optionee at the address that he or she most recently provided to the Company in accordance with this
Subsection (c). In addition, to the extent required or permitted pursuant to rules established by the Company from time to time,
notices may be delivered electronically.

 

(d)
Modifications and Waivers. No provision of this Agreement shall be modified, waived or discharged unless the modification,
waiver or discharge is agreed to in writing and signed by the Optionee and by an authorized officer of the Company (other than
the Optionee); provided, however, that a modification that is otherwise favorable to the Optionee (for example, providing the
Optionee with additional time to exercise this option after termination of employment or providing for additional forms of payment)
but causes this option to lose its tax-favored status (for example, as an ISO) shall not require the consent of the Optionee.
No waiver by either party of any breach of, or of compliance with, any condition or provision of this Agreement by the other party
shall be considered a waiver of any other condition or provision or of the same condition or provision at another time.

 

    11

     

    

 

(e)
Entire Agreement. The Notice of Stock Option Grant, this Agreement and the Plan constitute the entire contract between
the parties hereto with regard to the subject matter hereof. They supersede any other agreements, representations or understandings
(whether oral or written and whether express or implied) that relate to the subject matter hereof.

 

(f)
Choice of Law. This Agreement shall be governed by, and construed in accordance with, the laws of the State of Delaware,
as such laws are applied to contracts entered into and performed in such State.

 

(g)
Severability. Whenever possible, each provision of this Agreement shall be interpreted in such manner as to be effective
and valid under applicable law, but if any provision of this Agreement shall be held to be prohibited by or invalid under applicable
law, such provision shall be ineffective only to the extent of such prohibition or invalidity, without invalidating the remainder
of such provision or the remaining provisions of this Agreement.

 

(h)
Binding Effect on Transferees, Heirs, Successors and Assigns. This Agreement shall be binding upon Optionee’s permitted
transferees, heirs, successors and assigns; provided that for any such transfer to be deemed effective, the transferee shall agree
on a form prescribed by the Company to be bound by the terms and conditions of this Agreement, including the restrictions on transfer
in Section 10 and the drag along right in Section 11. The Company shall not record any transfer of Shares on its books or issue
a new certificate representing any such Shares unless and until such transferee shall have complied with the terms of this Subsection
(h).

 

SECTION
14. Acknowledgements Of The Optionee.

 

In
addition to the other terms, conditions and restrictions imposed on this option and the Shares issuable under this option pursuant
to this Agreement and the Plan, the Optionee expressly acknowledges being subject to Sections 7 (Right of First Refusal), 8 (Legality
of Initial Issuance), 10 (Restrictions on Transfer of Shares, including without limitation the Market Stand-Off) and 11 (Drag
Along Right), as well as the following provisions:

 

(a)
Tax Consequences. The Optionee agrees that the Company does not have a duty to design or administer the Plan or its other
compensation programs in a manner that minimizes the Optionee’s tax liabilities. The Optionee shall not make any claim against
the Company or its Board of Directors, officers or employees related to tax liabilities arising from this option or the Optionee’s
other compensation. In particular, any Optionee subject to U.S. taxation acknowledges that this option is exempt from Section
409A of the Code only if the Exercise Price is at least equal to the Fair Market Value per Share on the Date of Grant. Since Shares
are not traded on an established securities market, the determination of their Fair Market Value is made by the Board of Directors
or by an independent valuation firm retained by the Company. The Optionee acknowledges that there is no guarantee in either case
that the Internal Revenue Service will agree with the valuation, and the Optionee shall not make any claim against the Company
or its Board of Directors, officers or employees in the event that the Internal Revenue Service asserts that the valuation was
too low. In addition, if this option is designated as an ISO, the Optionee acknowledges that there is no guarantee that the option
in fact qualifies for incentive stock option treatment or that it will continue to qualify for incentive stock option treatment
at the time of exercise. In this regard, the Optionee acknowledges that the Company may take actions that will cause the option
to cease to be eligible for incentive stock option treatment and that such actions do not require the Optionee’s consent.

 

    12

     

    

 

(b)
Electronic Delivery of Documents. The Optionee acknowledges and agrees that the Company may, in its sole discretion, deliver
all documents relating to the Company, the Plan or this option and all other documents that the Company is required to deliver
to its security holders (including, without limitation, disclosures that may be required by the Securities and Exchange Commission)
by email or other means of electronic transmission (including by posting them on a website maintained by the Company or a third
party under contract with the Company). The Optionee acknowledges that he or she may incur costs in connection with any such delivery
by means of electronic transmission, including the cost of accessing the internet and printing fees, and that an interruption
of internet access may interfere with his or her ability to access the documents.

 

(c)
No Notice of Expiration Date. The Optionee agrees that the Company and its officers, employees, attorneys and agents do
not have any obligation to notify him or her prior to the expiration of this option pursuant to Section 6, regardless of whether
this option will expire at the end of its full term or on an earlier date related to the termination of the Optionee’s Service.
The Optionee further agrees that he or she has the sole responsibility for monitoring the expiration of this option and for exercising
this option, if at all, before it expires. This Subsection (c) shall supersede any contrary representation that may have been
made, orally or in writing, by the Company or by an officer, employee, attorney or agent of the Company.

 

(d)
Waiver of Statutory Information Rights. The Optionee acknowledges and agrees that, upon exercise of this option and until
the first sale of the Company’s Stock to the general public pursuant to a registration statement filed under the Securities
Act, he or she shall waive, and shall be deemed to have waived, any rights the Optionee would otherwise have under Section 220
of the Delaware General Corporation Law (or under similar rights pursuant to any other applicable law) to inspect for any purpose
and to make copies and extracts from the Company’s stock ledger, a list of its stockholders and its other books and records
or the books and records of any subsidiary of the Company (the “Inspection Rights”). The Optionee acknowledges
and understands that, but for the waiver made herein, the Optionee would be entitled, upon compliance with the procedures set
forth in Section 220 of the Delaware General Corporation Law, to Inspection Rights pursuant thereto, and further acknowledges
and agrees that the waiver set forth herein is a knowing and voluntary waiver of such rights, that the Optionee has received sufficient
consideration for such waiver and that the Company would not be willing to provide the benefits to the Optionee hereunder without
the benefit of such waiver from the Optionee. This waiver applies only in the Optionee’s capacity as a stockholder and does
not affect any other inspection rights the Optionee may have pursuant to any written agreement with the Company.

 

    13

     

    

 

(e) Plan
Discretionary. The Optionee understands and acknowledges that (i) the Plan is entirely discretionary, (ii) the Company
and the Optionee’s employer have reserved the right to amend, suspend or terminate the Plan at any time, (iii) the
grant of an option does not in any way create any contractual or other right to receive additional grants of options (or
benefits in lieu of options) at any time or in any amount and (iv) all determinations with respect to any additional grants,
including (without limitation) the times when options will be granted, the number of Shares offered, the Exercise Price and
the vesting schedule, will be at the sole discretion of the Company.

 

(f)
Termination of Service. The Optionee understands and acknowledges that participation in the Plan ceases upon termination
of his or her Service for any reason, except as may explicitly be provided otherwise in the Plan or this Agreement.

 

(g)
Extraordinary Compensation. The value of this option shall be an extraordinary item of compensation outside the scope of
the Optionee’s employment contract, if any, and shall not be considered a part of his or her normal or expected compensation
for purposes of calculating severance, resignation, redundancy or end-of-service payments, bonuses, long-service awards, pension
or retirement benefits or similar payments.

 

(h)
Authorization to Disclose. The Optionee hereby authorizes and directs the Optionee’s employer to disclose to the
Company or any Subsidiary any information regarding the Optionee’s employment, the nature and amount of the Optionee’s
compensation and the fact and conditions of the Optionee’s participation in the Plan, as the Optionee’s employer deems
necessary or appropriate to facilitate the administration of the Plan.

 

(i)
Personal Data Authorization. The Optionee consents to the collection, use and transfer of personal data as described in
this Subsection (i). The Optionee understands and acknowledges that the Company, the Optionee’s employer and the Company’s
other Subsidiaries hold certain personal information regarding the Optionee for the purpose of managing and administering the
Plan, including (without limitation) the Optionee’s name, home address, telephone number, date of birth, social insurance
number, salary, nationality, job title, any Shares or directorships held in the Company and details of all options or any other
entitlements to Shares awarded, canceled, exercised, vested, unvested or outstanding in the Optionee’s favor (the “Data”).
The Optionee further understands and acknowledges that the Company and/or its Subsidiaries will transfer Data among themselves
as necessary for the purpose of implementation, administration and management of the Optionee’s participation in the Plan
and that the Company and/or any Subsidiary may each further transfer Data to any third party assisting the Company in the implementation,
administration and management of the Plan. The Optionee understands and acknowledges that the recipients of Data may be located
in the United States or elsewhere. The Optionee authorizes such recipients to receive, possess, use, retain and transfer Data,
in electronic or other form, for the purpose of administering the Optionee’s participation in the Plan, including a transfer
to any broker or other third party with whom the Optionee elects to deposit Shares acquired under the Plan of such Data as may
be required for the administration of the Plan and/or the subsequent holding of Shares on the Optionee’s behalf. The Optionee
may, at any time, view the Data, require any necessary modifications of Data or withdraw the consents set forth in this Subsection
(i) by contacting the Company in writing.

 

    14

     

    

 

SECTION
15. Definitions.

 

(a)
“Agreement” shall mean this Stock Option Agreement.

 

(b)
“Board of Directors” shall mean the Board of Directors of the Company, as constituted from time to time or,
if a Committee has been appointed, such Committee.

 

(c)
“Certificate” shall mean the Company’s amended and restated certificate of incorporation as in effect
from time to time.

 

(d)
“Company” shall mean Space Apprentices Enterprise Inc., a Delaware corporation.

 

(e)
“Immediate Family” shall mean any child, stepchild, grandchild, parent, stepparent, grandparent, spouse, sibling,
mother-in-law, father-in-law, son-in-law, daughter-in-law, brother-in-law or sister-in-law and shall include adoptive relationships.

 

(f)
“Optionee” shall mean the person named in the Notice of Stock Option Grant.

 

(g)
“Plan” shall mean the Space Apprentices Enterprise Inc. 2018 Stock Plan, as in effect on the Date of Grant.

 

(h)
“Purchase Price” shall mean the Exercise Price multiplied by the number of Shares with respect to which this
option is being exercised.

 

(i)
“Requisite Parties” shall mean both the Board of Directors and the Selling Holders.

 

(j)
“Right of First Refusal” shall mean the Company’s right of first refusal described in Section 7.

 

(k)
“Sale of the Company” shall mean: (i) a transaction or series of related transactions in which a person, or
a group of related persons, acquires from stockholders of the Company shares representing more than fifty percent (50%) of the
outstanding voting power of the Company (a “Stock Sale”), (ii) a sale of all or substantially all of the assets
of the Company or (iii) any other transaction that qualifies as a “Liquidation Event” as defined in the Certificate.

 

(l)
“Selling Holders” shall mean the holders of a majority of the then-outstanding shares of Class A Common Stock
(voting together as a single class and on an as-converted basis).

 

(m)
“Service” shall mean service as an Employee, Outside Director or Consultant.

 

(n)
“Transferee” shall mean any person to whom the Optionee has directly or indirectly transferred any Share acquired
under this Agreement.

 

(o)
“Transfer Notice” shall mean the notice of a proposed transfer of Shares described in Section 7.

 

(p)
“U.S. Person” shall mean a person described in Rule 902(k) of Regulation S of the Securities Act (or any successor
rule or provision), which generally defines a U.S. person as any natural person resident in the United States, any estate of which
any executor or administrator is a U.S. Person, or any trust of which of any trustee is a U.S. Person.

 

    15

     

    

 

Space
Apprentices Enterprise Inc. 2018 Stock Plan

Notice
Of Stock Option Exercise (installment Exercise)

 

You
must sign this Notice on Page 4 before submitting it to the Company.

 

Optionee
Information:

 

	Name:	Social
    Security Number:	 
	 	 	 
	Address:	Employee
    Number:	 
	 	 	 
	 	Email
    Address:	 

 

Option
Information:

 

	Date
    of Grant: ______________, 20________	 	Type of Stock Option:
	 	 	 	 
	Exercise
    Price per Share: $ _______	 	☐	Nonstatutory
    (NSO)
	 	 	 	 
	Total
    number of shares of Class A Common Stock of Space Apprentices Enterprise Inc. (the “Company”) covered by the
    option: _______________	 	☐	Incentive
    (ISO)

 

Exercise
Information:

 

Number
of shares of Class A Common Stock of the Company for which the option is being exercised now: . (These shares are referred to
below as the “Purchased Shares.”)

 

Total
Exercise Price for the Purchased Shares: $________________

 

Form
of payment enclosed [check all that apply]:

 

	☐	Check
    for $____________, payable to “Space Apprentices Enterprise Inc.”
	 	 
	☐	Certificate(s)
    for____________shares of Class A Common Stock of the Company. These shares will be valued as of the date this notice is received
    by the Company. [Requires Company consent.]
	 	 
	☐	Attestation
    Form covering____________shares of Class A Common Stock of the Company. These shares will be valued as of the date this notice
    is received by the Company. [Requires Company consent.]

 

    1

     

    

 

Name(s)
in which the Purchased Shares should be registered [please review the attached explanation of the available forms of ownership,
and then check one box]*:

 

	☐	In
    my name only	 
	 	 	 
	☐	In
    the names of my spouse and myself as community property	My
    spouse’s name (if applicable):
	 	 	 
	☐	In
    the names of my spouse and myself as community property with the right of survivorship	 
	 	 	 
	☐	In
    the names of my spouse and myself as joint tenants with the right of survivorship	 
	 	 	 
	☐	In
    the name of an eligible revocable trust [requires
    Stock Transfer Agreement]	Full
    legal name of revocable trust:
	 		 
	 	 	 
	 	 	 

 

*While
the Company will register the Purchased Shares in accordance with your instruction, this document does not control or change the
nature of the Purchased Shares as community property or separate property. You are advised to consult your own advisor to determine
if additional steps or documentation are required in this regard.

 

Representations
And Acknowledgements Of The Optionee;

 

	1.	I
represent and warrant to the Company that I am acquiring and will hold the Purchased Shares for investment for my account only,
and not with a view to, or for resale in connection with, any “distribution” of the Purchased Shares within the meaning
of the Securities Act of 1933, as amended (the “Securities Act”).

 

	2.	I
understand that my purchase of the Purchased Shares has not been registered under the Securities Act by reason of a specific exemption
therefrom and that the Purchased Shares must be held indefinitely, unless they are subsequently registered under the Securities
Act or I obtain an opinion of counsel (in form and substance satisfactory to the Company and its counsel) that registration is
not required.

 

	3.	I
acknowledge that the Company is under no obligation to register the Purchased Shares or any sale or transfer thereof.

 

	4.	I
am aware of Rule 144 under the Securities Act, which permits limited public resales of securities acquired in a non-public offering,
subject to the satisfaction of certain conditions. These conditions may include (without limitation) that certain current public
information about the issuer be available, that the resale occur only after a holding period required by Rule 144 has been satisfied,
that the sale occur through an unsolicited “broker’s transaction” and that the amount of securities being sold
during any three-month period not exceed specified limitations. I understand that the conditions for resale set forth in Rule
144 have not been satisfied as of the date set forth below, and that the Company is not required to take action to satisfy any
conditions applicable to it.

 

	5.	I
will not sell, transfer or otherwise dispose of the Purchased Shares in violation of the Securities Act, the Securities Exchange
Act of 1934, or the rules promulgated thereunder, including Rule 144 under the Securities Act.

 

	6.	I
acknowledge that I have received and had access to such information as I consider necessary or appropriate for deciding whether
to invest in the Purchased Shares and that I had an opportunity to ask questions and receive answers from the Company regarding
the terms and conditions of the issuance of the Purchased Shares.

 

    2

     

    

 

	7.	I
am aware that my investment in the Company is a speculative investment that has limited liquidity and is subject to the risk of
complete loss. I am able, without impairing my financial condition, to hold the Purchased Shares for an indefinite period and
to suffer a complete loss of my investment in the Purchased Shares.

 

	8.	I
acknowledge that the Purchased Shares remain subject to the Company’s right of first refusal, the drag-along right and the
market stand-off (sometimes referred to as the “lock-up”), all in accordance with the applicable Notice of Stock Option
Grant and Stock Option Agreement. I acknowledge that any transfer of the Purchased Shares may be subject to a transfer fee and
must be effected on the Company’s form of stock transfer agreement, as further described in the Stock Option Agreement.

 

	9.	I
acknowledge that I am acquiring the Purchased Shares subject to all other terms of the Notice of Stock Option Grant and Stock
Option Agreement.

 

	10.	I
acknowledge that I have received a copy of the Company’s explanation of the forms of ownership available for my Purchased
Shares. I acknowledge that the Company has encouraged me to consult my own adviser to determine the form of ownership that is
appropriate for me. In the event that I choose to transfer my Purchased Shares to a trust, I agree to sign a Stock Transfer Agreement
on a form prescribed by the Company. In the event that I choose to transfer my Purchased Shares to a trust that does not satisfy
the requirements described in the attached explanation (i.e., a trust that is not an eligible revocable trust), I also acknowledge
that the transfer will be treated as a “disposition” for tax purposes. As a result, the favorable ISO tax treatment
will be unavailable and other unfavorable tax consequences may occur.

 

	11.	I
acknowledge that I have received a copy of the Company’s explanation of the federal income tax consequences of an option
exercise. I acknowledge that the Company has encouraged me to consult my own adviser to determine the tax consequences of acquiring
the Purchased Shares at this time.

 

	12.	I
agree that the Company does not have a duty to design or administer the 2018 Stock Plan or its other compensation programs in
a manner that minimizes my tax liabilities. I will not make any claim against the Company or its Board of Directors, officers
or employees related to tax liabilities arising from my options or my other compensation. In particular, I acknowledge that my
options are exempt from section 409A of the Internal Revenue Code only if the exercise price per share is at least equal to the
fair market value per share of the Company’s Class A Common Stock at the time the option was granted by the Company’s
Board of Directors. Since shares of the Company’s Class A Common Stock are not traded on an established securities market,
the determination of their fair market value was made by the Company’s Board of Directors or by an independent valuation
firm retained by the Company. I acknowledge that there is no guarantee in either case that the Internal Revenue Service will agree
with the valuation, and I will not make any claim against the Company or its Board of Directors, officers or employees in the
event that the Internal Revenue Service asserts that the valuation was too low.

 

	13.	I
agree to seek the consent of my spouse to the extent required by the Company to enforce the foregoing.

 

	14.	I
consent, with respect to all shares of capital stock of the Company held by me, to receive any notice given by the Company under
its certificate of incorporation or bylaws, as the same may be amended and/or restated from time to time, the General Corporation
Law of the State of Delaware (the “General Corporation Law”) or otherwise, by electronic transmission pursuant to
Section 232 of the General Corporation Law at the email address set forth above. I further acknowledge and agree that the Company
may rely upon any expressions of my consent to proposed corporate actions received

 

from
the email address provided above. I hereby agree to notify the Company of any change to my email address set forth above, and
further agree that the provision of such notice shall constitute my consent to receive notice and to provide my expression of
consent as provided herein at such address. In the event that the Company is unable to deliver notice to me at the e-mail address
set forth above, I shall, within five (5) days after a request by the Company, provide the Company with a valid e-mail address
to which I consent to receive notice and to provide expressions of consent as provided herein.

 

	Signature:	 	date:
	 	 	 
	 	 	 

  

    3

     

    

 

Explanation
Of Forms Of Stock Ownership

 

Purpose
Of This Explanation

 

The
purpose of this explanation is to provide you with a brief summary of the forms of legal ownership available for the shares that
you are purchasing (the “Purchased Shares”). For a number of reasons, this explanation is no substitute for personal
legal advice:

 

	●	To
make the explanation short and readable, only the highlights are covered. Some legal rules are not addressed, even though they
may be important in particular cases.

 

	●	While
the summary attempts to deal with the most common situations, your own situation may well be different from the norm.

 

	●	The
law may change, and the Company is not responsible for updating this summary.

 

	●	The
form in which you own your shares may have a substantial impact on the estate tax treatment that applies to those shares
when you die or the income tax treatment that applies when your survivors sell the shares after your death.

 

For
These Reasons, The Company Strongly Encourages You To Consult Your Own Adviser Before Exercising Your Option And Before Making
A Decision About The Form Of Ownership For Your Shares.

 

Overview

 

The
Notice of Stock Option Exercise offers five forms of taking title to the Purchased Shares:

 

	●	In
your name only,

 

	●	In
your name and the name of your spouse as community property,

 

	●	In
your name and the name of your spouse as community property with the right of survivorship,

 

	●	In
your name and the name of your spouse as joint tenants with the right of survivorship, or

 

	●	In
the name of an eligible revocable trust.

 

Title
in the Purchased Shares depends upon (a) your marital status, (b) the marital property laws of your state of residence and (c)
any agreement with your spouse altering the existing marital property laws of your state of residence. If you are not married,
you generally will take title in your name alone. If you are married, title depends upon the marital property laws of your state
of residence. In general, states are classified either as “community property” states or as “common-law property”
states. (But individual state law may vary within these classifications.)

 

    1

     

    

 

Community
Property And Joint Tenancy

 

Community
property states include California, Texas, Washington, Arizona, Nevada, New Mexico, Idaho, Louisiana and Wisconsin. In a community
property state, property acquired during marriage by either spouse is presumed to be one-half owned by each spouse. All other
property is classified as the separate property of the spouse who acquires the property. While either spouse has equal management
and control over the community property and may sell, spend or encumber all community property, neither spouse may gift community
property or partition his/her one-half interest without the consent of the other spouse. Upon divorce, all community property
is divided equally among the spouses and each spouse is entitled to retain all of his/her separate property. Upon the death of
a spouse, one-half of the community property (and all of the decedent spouse’s separate property) will pass to the decedent
spouse’s heirs. The other one-half of the community property remains the property of the surviving spouse.

 

Other
states are common-law property states. In a common-law property state, each spouse is generally deemed to own whatever he/she
earns or acquires.

 

A
married couple may elect to alter the marital property rules by mutually agreeing to take title to property in other forms. For
example, a couple residing in a community property state may generally enter into an agreement and transform what otherwise would
be community property into the separate property of the spouse who earns or acquires the property.

 

In
addition, many community property and common-law property states allow married couples to take joint title in property acquired
during marriage. For example, California allows a married couple to take title in a joint tenancy with the right of survivorship.
In a joint tenancy, each spouse owns a one-half interest in the property as separate property. This means that each spouse may
transfer or sell his/her one-half interest in the property while he/she is alive. However, unlike traditional separate property,
a spouse cannot transfer his/her one-half interest to heirs at death. Instead, the surviving spouse automatically receives
the decedent spouse’s one-half interest and becomes the full owner of the property. (This is called the “right of
survivorship.”) Both spouses must consent to taking property in a joint tenancy in lieu of having the community property
laws apply.

 

California
also allows a married couple to take title in the shares as community property with the right of survivorship. This means that
the shares are treated like community property while both spouses are alive. However, if one spouse dies, then the other spouse
automatically receives the decedent spouse’s one-half interest and becomes the full owner of the shares. In other words,
the decedent spouse’s will or trust does not control the disposition of the shares.

 

If
you have the Purchased Shares issued in a form other than those described above, then the transfer will be treated as a “disposition”
for tax purposes. This means that the effect, for tax purposes, will be the same as selling the Purchased Shares. Please refer
to the attached tax summary for additional information.

 

    2

     

    

 

Trusts

 

A
transfer to a trust generally should not be treated as a “disposition” of the Purchased Shares for tax purposes if
the trust satisfies each of the following conditions:

 

	●	You
are the sole grantor of the trust,

 

	●	You
are the sole trustee, or you and your spouse are the sole co-trustees,

 

	●	The
trustee or trustees are not required to distribute the income of the trust to any person other than you and/or your spouse while
you are alive, and

 

	●	The
trust permits you to revoke all or part of the trust and to have the trust’s assets returned to you, without the consent
of any other person (including your spouse).

 

If
you have the Purchased Shares issued to a trust that does not meet these requirements, then the transfer will be treated as a
“disposition” for tax purposes. This means that the effect, for tax purposes, will be the same as selling the Purchased
Shares. Please refer to the attached tax summary for additional information.

 

If
you have the Purchased Shares issued to any trust, you will be required to sign a Stock Transfer Agreement in your capacity as
trustee. Under the Stock Transfer Agreement, the Purchased Shares remain subject to the Company’s right of first refusal
in accordance with the applicable Notice of Stock Option Grant and Stock Option Agreement.

 

The
Company Will Not Check To Determine Whether The Form Of Ownership That You Elect In Your Notice Of Stock Option Exercise Is Appropriate.
You Should Consult Your Own Advisers On This Subject. If An Inappropriate Election Is Made, The Form Of Ownership May Not Withstand
Legal Scrutiny Or May Have Adverse Tax Consequences.

 

    3

     

    

 

Explanation
Of U.s. Federal Income Tax Consequences

(Current
as of January 2018)

 

Purpose
Of This Explanation

 

The
purpose of this explanation is to provide you with a brief summary of the tax consequences of exercising your option. For a number
of reasons, this explanation is no substitute for personal tax advice:

 

	●	To
make the explanation short and readable, only the highlights are covered. Some tax rules are not addressed, even though they may
be important in particular cases.

 

	●	While
the summary attempts to deal with the most common situations, your own tax situation may well be different from the norm.

 

	●	State
and foreign income taxes are not addressed at all, even though they could have a significant impact on your tax planning. Likewise,
federal gift and estate taxes and state inheritance taxes are not discussed.

 

	●	Tax
planning involving incentive stock options is exceedingly complex, in part because of the possible application of the alternative
minimum tax.

 

	●	This
explanation assumes that your option is not subject to section 409A of the Internal Revenue Code. However, the Company cannot
be certain that section 409A is inapplicable to your option. (Please refer to the last segment of this summary for more information
about section 409A.)

 

	●	The
tax rules change often, and the Company is not responsible for updating this summary. (Please refer to the date at the top of
this page.)

 

For
These Reasons, The Company Strongly Encourages You To Consult Your Own Tax Adviser Before Exercising Your Option.

 

Exercise
Of Nso

 

If
you are exercising an NSO, you generally will be taxed at the time of exercise. You will recognize ordinary income in an amount
equal to the excess of (a) the fair market value of the Purchased Shares on the date of exercise over (b) the exercise price you
are paying. If you are an employee or former employee of the Company, this amount is subject to withholding for income and payroll
taxes. Your tax basis in the Purchased Shares (to calculate capital gain when you sell the shares) is equal to the sum of the
exercise price you paid for the Purchased Shares plus any additional amount you recognized as income on the exercise date.

 

    1

     

    

 

Disposition
Of NSO Shares

 

When
you dispose of the Purchased Shares, you will recognize a capital gain equal to the excess of (a) the sale proceeds over (b) your
tax basis in the Purchased Shares. If the sale proceeds are less than your tax basis, you will recognize a capital loss. The capital
gain or loss will be long-term if you held the Purchased Shares for more than 12 months. The holding period starts when you exercise
your NSO. In general, the maximum marginal federal income tax rate on long-term capital gains is 20% under current law, but lower
long-term capital gain rates may apply to certain taxpayers.

 

Effective
January 1, 2013, as a result of the Health Care and Education Reconciliation Act of 2010, an additional Medicare contribution
tax is imposed at a rate of 3.8% on the “net investment income” of individuals with adjusted gross incomes in excess
of $200,000 ($250,000 in the case of a joint return, and $125,000 in the case of a married taxpayer filing separately). “Net
investment income” includes income from interest, dividends, and capital gains, reduced by the deductions properly allocated
to such income.

 

Depending
on the level of your adjusted gross income, the additional Medicare contribution tax may be imposed on any short-term and long-term
capital gain income and can increase your marginal tax rate.

 

Limit
On ISO Treatment

 

The
Notice of Stock Option Grant indicates whether your option is a nonstatutory stock option (NSO) or an incentive stock option (ISO).
The favorable tax treatment for ISOs is limited, regardless of what the Notice of Stock Option Grant indicates. Of the options
that become exercisable in any calendar year, only options covering the first $100,000 of stock are eligible for ISO treatment.
The excess over $100,000 automatically receives NSO treatment. For this purpose, stock is valued at the time of grant. This means
that the value is generally equal to the exercise price.

 

For
example, assume that you hold an option to buy 60,000 shares for $8 per share. Assume further that the entire option becomes exercisable
in four equal annual installments. Only the first 50,000 shares qualify for ISO treatment. (12,500 times $8 equals $100,000.)
The remaining 10,000 shares will be treated as if they had been acquired by exercising an NSO. This is true regardless of when
the option is actually exercised; what matters is when it first could have been exercised.

 

Exercise
                                         Of ISO And ISO Holding Periods

 

If
you are exercising an ISO, you will not be taxed under the regular tax rules until you dispose of the Purchased
Shares.1 (The alternative minimum tax rules are described below.) The tax treatment at the time of disposition depends on how long you
hold the shares. You will satisfy the ISO holding periods if you hold the Purchased Shares until the later of the following
dates:

 

		●	More
than two years after the ISO was granted, and

 

	●	More
than one year after the ISO is exercised.

 

 

 

1
Generally, a “disposition” of shares purchased under an ISO encompasses any transfer of legal title, such as
a transfer by sale, exchange or gift. It generally does not include a transfer to your spouse, a transfer into joint ownership
with right of survivorship (if you remain one of the joint owners), a pledge, a transfer by bequest or inheritance, or certain
tax-free exchanges permitted under the Internal Revenue Code. A transfer to a trust is a “disposition” unless the
trust is an eligible revocable trust, as described in the attached explanation.

 

    2

     

    

 

Disposition
Of ISO Shares

 

If
you dispose of the Purchased Shares after satisfying both of the ISO holding periods, then you will recognize only a long-term
capital gain at the time of disposition. The amount of the capital gain is equal to the excess of (a) the sale proceeds over (b)
the exercise price. In general, the maximum marginal federal income tax rate on long-term capital gains is 20% under current law,
but lower long-term capital gain rates may apply to certain taxpayers.

 

Effective
January 1, 2013, as a result of the Health Care and Education Reconciliation Act of 2010, an additional Medicare contribution
tax is imposed at a rate of 3.8% on the “net investment income” of individuals with adjusted gross incomes in excess
of $200,000 ($250,000 in the case of a joint return, and $125,000 in the case of a married taxpayer filing separately). “Net
investment income” includes income from interest, dividends, and capital gains, reduced by the deductions properly allocated
to such income.

 

If
you dispose of the Purchased Shares before either or both of the ISO holding periods are met, then you will recognize ordinary
income at the time of disposition. The amount of ordinary income will be equal to the excess of (a) the fair market value of the
Purchased Shares on the date of exercise over (b) the exercise price. But if the disposition is an arm’s length sale to
an unrelated party, the amount of ordinary income will not exceed the total gain from the sale. Under current IRS rules, the ordinary
income amount will not be subject to withholding for income or payroll taxes.

 

Your
tax basis in the Purchased Shares will be equal to the sum of the exercise price you paid for the Purchased Shares plus any additional
amount you recognized as ordinary income. Any gain in excess of your basis will be taxed as a capital gain—either long-term
or short-term, depending on how long you held the Purchased Shares after the date of exercise.

 

Summary
Of Alternative Minimum Tax

 

The
alternative minimum tax (AMT) must be paid to the extent that it exceeds your regular federal income tax for the year. For 2018,
the first $191,500 ($95,750 for a married taxpayer filing a separate return) of your alternative minimum taxable income for the
year over the allowable exemption amount (see below) is subject to alternative minimum taxation at the rate of 26%. The balance
of your alternative minimum taxable income is subject to alternative minimum taxation at the rate of 28%. The dollar thresholds
dividing the 26% and 28% rates are indexed for inflation in future years. Your alternative minimum tax base is equal to your alternative minimum taxable income (AMTI) minus
your exemption amount.

 

		●	Alternative
Minimum Taxable Income. Your AMTI is equal to your regular taxable income, subject to certain adjustments and increased by
items of tax preference. Among the many adjustments made in computing AMTI are the following:

 

	 	●	State
and local income and property taxes are not allowed as a deduction.

 

    3

     

    

  

	 	●	Certain
interest and other deductions are not allowed.

 

	 	●	When
an ISO is exercised, the spread is added to income for AMT purposes. (See discussion below.)

 

		●	Exemption
Amount. Before AMT is calculated, AMTI is reduced by the exemption amount. Under current law, the exemption amount is as follows:

 

	Year:	 	Joint Returns:	 	 	Single Returns:	 	 	Separate Returns:	 
	20182	 	$	109,400	 	 	$	70,300	 	 	$	54,700	 

 

The
allowable exemption amount is reduced by $0.25 for each $1.00 by which alternative minimum taxable income for the year exceeds
the following amounts:

 

	Year:	 	Joint Returns:	 	 	Single Returns:	 	 	Separate Returns:	 
	20183	 	$	1,000,000	 	 	$	500,000	 	 	$	500,000	 

 

This
means, for example, in 2018, the $109,400 exemption amount is phased out completely for married individuals filing joint returns
when their alternative minimum taxable income reaches $1,437,600 [($109,400 ÷ $0.25) + $1,000,000].

 

Application
Of AMT When ISO Is Exercised

 

As
noted above, when an ISO is exercised, the spread is included in AMTI at the time of exercise.

 

A
special rule applies if you dispose of the Purchased Shares in the same year in which you exercised the ISO. If the amount you
realize on the sale is less than the value of the stock at the time of exercise, then the amount includible in AMTI on account
of the ISO exercise is limited to the gain realized on the sale.4

 

 

 

 2
Amounts are indexed for inflation in future years.

 

3
Amounts are indexed for inflation in future years.

 

4
This is similar to the rule that applies under the regular tax system in the event of a disqualifying disposition of ISO
stock. The amount of ordinary income that must be recognized in that case generally does not exceed the amount of the gain realized
in the disposition.

 

    4

     

    

 

To
the extent that your AMT is attributable to the spread on exercising an ISO (and certain other items), you may be able to apply
the AMT that you paid as a credit against your income tax liability in future years. But the rules on calculating the available
tax credits were amended frequently in recent years and have become extraordinarily complex. On this issue in particular, you
must consult your own tax adviser.

 

When
Purchased Shares are sold, your basis for purposes of computing the capital gain or loss under the AMT system is increased by
the option spread that exists at the time of exercise. Again, an ISO is treated under the AMT system much like an NSO is treated
under the regular tax system. But your basis in the ISO shares for purposes of computing gain or loss under the regular tax system
does not reflect any AMT that you pay on the spread at exercise. Therefore, if you pay AMT in the year of the ISO exercise
and regular income tax in the year of selling the Purchased Shares, you could pay tax twice on the same gain (except to the extent
that you can use the AMT credit described above).

 

Section
409a Of The Internal Revenue Code

 

The
preceding summary assumes that section 409A of the Internal Revenue Code does not apply to your option. In general, your option
is exempt from section 409A if the exercise price per share is at least equal to the fair market value per share of the Company’s
Class A Common Stock at the time the option was granted by the Board of Directors. Since shares of Class A Common Stock are not
traded on an established securities market, the determination of their fair market value generally is made by the Board of Directors
or by an independent appraisal firm retained by the Company. In either case, there is no guarantee that the Internal Revenue Service
will agree with the valuation.

 

If
your option were found to be subject to section 409A, then you would be required to recognize ordinary income as early as the
year in which the option (or portion thereof) vests. This amount would also be subject to a 20% federal tax in addition to
the federal income tax at your usual marginal rate for ordinary income. Additional state income taxes may apply in some states.

 

Disclaimer
Under Irs Circular 230

 

To
ensure compliance with requirements imposed by U.S. tax authorities, we inform you that any U.S. tax advice contained in the foregoing
summary is not intended or written to be used, and cannot be used, for the purpose of (i) avoiding United States federal, state
or local tax penalties, or (ii) promoting, marketing or recommending to another party any matters addressed herein (including
any attachments).

 

    5

     

    

 

SPACE APPRENTICES ENTERPRISE
INC.

 

2018 STOCK PLAN

 

NOTICE OF RESTRICTED STOCK
AWARD

 

		NOTE:	Until the satisfaction of the conditions set forth
in this Notice of Restricted Stock Award (the “Notice”), this Notice is in draft form and has no legal effect
for any purpose.

 

(“Service Provider”):

 

Subject to the terms
and conditions set forth in this Notice (including the conditions set forth in the section titled “Validity of this Notice”),
on ___________ Space Apprentices Enterprise Inc., a Delaware corporation (the “Company”) grants the Service
Provider the right to receive shares of the Common Stock of the Company (the “Stock Award” which sometimes may
be referred to as the “Equity Award”). Unless otherwise defined in this Notice, capitalized terms used in this
Notice shall have the meaning given to them in the Restricted Stock Agreement

attached to this Notice and executed concurrently
with this Notice (the “Restricted Stock Agreement”) or the Company’s 2018 Stock Plan (the “Plan”).

 

	Date of Grant:	______________
	 	 
	Expiration of Stock Award offer:	
        Service Provider shall have 30
days following the Date of Grant to accept the Stock Award. Service Provider’s acceptance shall be indicated by executing
and delivering the Company’s Restricted Stock Agreement using the on-line or electronic system established and maintained
by the Company or a third party designated by the Company.

         

        Notwithstanding the foregoing, in accordance
        with Section 10 of the Plan, if the Service Provider has not accepted the Stock Award prior to the occurrence of a Corporate Transaction,
        the outstanding Stock Award may be cancelled. Additionally, the Stock Award may be terminated in connection with the dissolution
        or liquidation of the Company.

	 	 
	Fair Market Value Per Share of Common Stock:	USD $___ per share
	 	 
	Number of Shares:	_______ Shares (of which _______ Shares (the “Vesting Shares”) shall initially be subject to vesting)
	 	 
	Vesting Commencement Date:	the Date of Award

 

	Vesting Scedule:	So long as Service Provider’s Continuous Service Status does not terminate (and provided that no vesting shall occur following the termination for any reason of Service Provider’s Continuous Service Status), the Vesting Shares shall vest and not be subject to forfeiture upon termination for any reason of Service Provider’s Continuous Service Status in accordance with the following schedule:

 

Validity of this Notice

 

This Notice is in draft
form and is not valid or effective for any purpose until such time as (1) both the Service Provider and the Company have e-signed
this Notice using the on-line or electronic system established and maintained by the Company or a third party designated by the
Company and such system has generated evidence of such e-signatures on a fully executed and dated version of this Notice, and (2)
the Company’s minute book or other record of proceedings of the Company’s Board of Directors (the “Board”)
includes appropriate written evidence of the valid approval of the Stock Award by the unanimous written consent of all the members
of the Board in accordance with Section 141(f) of the Delaware General Corporation Law (“DGCL”) and any other
applicable requirements, whether arising under the Plan, the Company’s certificate of incorporation and bylaws, the DGCL
or otherwise.

 

Stock Award Documents

 

By e-signing this Notice,
the Service Provider and the Company agree that the Stock Award and the Shares issued to the Service Provider upon acceptance of
the Stock Award are awarded under and governed by the terms and conditions of (i) this Notice, (ii) the Plan, (iii) the Restricted
Stock Agreement and (iv) any ancillary related documents (collectively, the “Stock Award Documents”). In the
event of any conflict between the terms of the Restricted Stock Agreement and this Notice, the terms of the Restricted Stock Agreement
will control.

 

By e-signing the Stock
Award Documents, the Service Provider agrees and acknowledges the following:

 

(a) Service Provider
has been able to access and view the Stock Award Documents and understands that all rights and obligations with respect to the
Stock Award are set forth in the Stock Award Documents;

 

(b) Service Provider
accepts and agrees to all terms and conditions contained in the Stock Award Documents and delivers the executed Restricted Stock
Agreement to the Company; and

 

(c) Nothing in the
Stock Award Documents confers upon Service Provider any right to continue Service Provider’s employment or consulting relationship
with the Company for any period of time, nor does it interfere in any way with Service Provider’s right or the Company’s
right to terminate that relationship at any time, for any reason, with or without Cause, subject to Applicable Laws. (For purposes
of this paragraph, the term “Company” will be interpreted to include any Parent, Subsidiary or Affiliate.)

 

[Signature Page Follows]

 

    1

     

    

 

The parties have executed this
Notice of Restricted Stock Award effective as of _____________.

 

THE COMPANY:

 

Space Apprentices
Enterprise Inc.

 

	By:	 	 
	 	Mikhail Kokorich, President	 

 

3050 Kenneth Street Santa Clara, CA 95054

 

mk@momentus.space

 

SERVICE PROVIDER:

 

	[Name]	 	 
	 	 	 
	Address:	 	 
	 	 	 
	Email:	 	 

 

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SPACE APPRENTICES ENTERPRISE INC.

 

2018 STOCK PLAN

 

RESTRICTED STOCK AGREEMENT

 

This Restricted Stock
Agreement (this “Agreement”) is made as of _________ by and between Space Apprentices Enterprise Inc., a Delaware
corporation (the “Company”), and ________(“Participant”) pursuant to the Company’s
2018 Stock Plan (the “Plan”), which is attached to and made a part of this Agreement. Unless otherwise defined
in this Agreement, capitalized terms used in this Agreement shall have the meaning given to them in the Plan.

 

1. Grant of Restricted
Stock. Subject to the terms and conditions of this Agreement, the Company hereby grants to Participant ______ shares of
the Company’s Common Stock (the “Shares”) as consideration of services rendered by Participant to the
Company. As used elsewhere herein, the term “Shares” refers to all of the Shares purchased hereunder and all
securities received in connection with the Shares pursuant to stock dividends or splits, all securities received in replacement
of the Shares in a recapitalization, merger, reorganization, exchange or the like, and all new, substituted or additional securities
or other property to which Participant is entitled by reason of Participant’s ownership of the Shares. Shares that have not
yet vested as of a given time pursuant to the vesting schedule in Section 2 below are referred to herein as “Unvested
Shares”.

 

2. Vesting Schedule.
_______ of the Shares shall initially be subject to vesting. The Unvested Shares shall vest in accordance with the Vesting
Schedule set forth in the Notice of Restricted Stock Award; provided, however, that such vesting shall immediately cease as of
the Termination Date. Fractional shares shall be rounded to the nearest whole share.

 

3. Limitations
on Transfer. In addition to any other limitation on transfer created by the transfer restrictions set forth in Section
12 of the Plan or by Applicable Laws, Participant shall not assign, encumber or dispose of any interest in the Shares except to
the extent permitted by, and in compliance with the provisions below and Applicable Laws.

 

(a) Forfeiture
Upon Termination of Participant’s Continuous Service Status. Notwithstanding any contrary provision of this Agreement,
in the event of any voluntary or involuntary termination of Participant’s Continuous Service Status prior to vesting pursuant
to the Vesting Schedule set forth in Section 2 above for any reason (including death or Disability), with or without Cause, the
then Unvested Shares will thereupon be forfeited and automatically transferred to and reacquired by the Company at no cost to the
Company (the “Unvested Share Forfeiture”) upon the date of such termination (the “Termination Date”)
and Participant will have no further rights or interests with respect to such Unvested Shares.

 

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(b) Transfer
Restrictions; Right of First Refusal. Before any Shares held by Participant or any transferee of Participant (either being
sometimes referred to herein as the “Holder”) may be sold or otherwise transferred (including transfer by gift
or operation of law), the Company shall have the right to approve such transfer, in its sole and absolute discretion. If the Holder
would like to transfer any Shares, the Holder must provide the Company or its assignee(s) with a right of first refusal to purchase
the Shares on the terms and conditions set forth in this Section 3(b) (the “Right of First Refusal”), which
the Company may either (1) exercise its Right of First Refusal and purchase the Shares as forth in this Section 3(b), (2) decline
to exercise its Right of First Refusal and permit the transfer of the Shares to the Proposed Transferee (as defined below), or
(3) decline to exercise its Right of First Refusal and reject any transfer of the Shares.

 

(i) Notice of Proposed
Transfer. The Holder of the Shares shall deliver to the Company a written notice (the “Notice”) stating:
(A) the Holder’s intention to sell or otherwise transfer such Shares; (B) the name of each proposed purchaser or other transferee
(“Proposed Transferee”); (C) the number of Shares to be transferred to each Proposed Transferee; (D) the terms
and conditions of each proposed sale or transfer, including (without limitation) the purchase price for such Shares (the “Transfer
Purchase Price”); and (E) the Holder’s offer to the Company or its assignee(s) to purchase the Shares at the Transfer
Purchase Price and upon the same terms (or terms as similar as reasonably possible).

 

(ii) Exercise of
Right of First Refusal. At any time within 30 days after receipt of the Notice, the Company and/or its assignee(s) may,
by giving written notice to the Holder, elect to reject the proposed transfer, in full or in part, or elect to purchase any or
all of the Shares proposed to be transferred to any one or more of the Proposed Transferees, at the Transfer Purchase Price, provided
that if the Transfer Purchase Price consists of no legal consideration (as, for example, in the case of a transfer by gift), the
purchase price will be the fair market value of the Shares as determined in good faith by the Company. If the Transfer Purchase
Price includes consideration other than cash, the cash equivalent value of the non-cash consideration shall be determined by the
Company in good faith.

 

(iii) Payment.
Payment of the Transfer Purchase Price shall be made, at the election of the Company or its assignee(s), in cash (by check),
by cancellation of all or a portion of any outstanding indebtedness or by any combination thereof within 60 days after receipt
of the Notice or in the manner and at the times mutually agreed to by the Company (or its assignee(s)) and the Holder.

 

(iv) Holder’s
Right to Transfer. If any of the Shares proposed in the Notice to be transferred to a given Proposed Transferee are both
(A) not purchased by the Company and/or its assignee(s) as provided in this Section 3(b) and (B) approved by the Company
to be transferred, then the Holder may sell or otherwise transfer any unpurchased Shares to the Proposed Transferee at the Transfer
Purchase Price or at a higher price, provided that such sale or other transfer is consummated within 120 days after the date of
the Notice and provided further that any such sale or other transfer is effected in accordance with Applicable Laws and any other
applicable transfer restrictions, including the transfer restrictions set forth in Plan, and the Proposed Transferee agrees in
writing that the provisions of this Section 3 and the waiver of statutory information rights in Section 10 shall continue to apply
to the Shares in the hands of such Proposed Transferee. The Company, in consultation with its legal counsel, may require the Holder
to provide an opinion of counsel evidencing compliance with Applicable Laws. If the Shares described in the Notice are not transferred
to the Proposed Transferee within such period, or if the Holder proposes to change the price or other terms to make them more favorable
to the Proposed Transferee, a new Notice shall be given to the Company, and the Company and/or its assignees shall again have the
right to approve such transfer and be offered the Right of First Refusal.

 

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(v) Exception for
Certain Family Transfers. Anything to the contrary contained in this Section 3(b) notwithstanding, the transfer of any
or all of the Shares during Holder’s lifetime or on Holder’s death by will or intestacy to Holder’s Immediate
Family or to a trust for the benefit of Holder or Holder’s Immediate Family shall be exempt from the provisions of this Section
3(b). “Immediate Family” as used in this Agreement shall mean lineal descendant or antecedent, spouse (or spouse’s
antecedents), father, mother, brother or sister (or their descendants), stepchild (or their antecedents or descendants), aunt or
uncle (or their antecedents or descendants), brother-in-law or sister-in-law (or their antecedents or descendants) and shall include
adoptive relationships, or any person sharing Holder’s household (other than a tenant or an employee). In such case, the
transferee or other recipient shall receive and hold the Shares so transferred subject to the provisions of this Section 3 and
Section 10, and there shall be no further transfer of such Shares except in accordance with the terms of this Section 3.

 

(c) Company’s
Right to Purchase upon Involuntary Transfer. In the event of any transfer by operation of law or other involuntary transfer
(including death or divorce, but excluding a transfer to Immediate Family as set forth in Section 3(b)(v) above) of all or a portion
of the Shares by the record holder thereof, the Company shall have the right to purchase any or all of the Shares transferred at
the Fair Market Value of the Shares on the date of transfer (as determined by the Company in its sole discretion). Upon such a
transfer, the Holder shall promptly notify the Secretary of the Company of such transfer. The right to purchase such Shares shall
be provided to the Company for a period of 30 days following receipt by the Company of written notice from the Holder.

 

(d) Assignment.
The right of the Company to purchase any part of the Shares may be assigned in whole or in part to any holder or holders of
capital stock of the Company or other persons or organizations.

 

(e) Restrictions
Binding on Transferees. All transferees of Shares or any interest therein will receive and hold such Shares or interest
subject to the provisions of this Agreement and the Plan, including, without limitation, Sections 3 and 10 of this Agreement and
Section 12 of the Plan and, insofar as applicable, the forfeiture provision in Section 3(a) above. Any sale or transfer of the
Shares shall be void unless the provisions of this Agreement are satisfied.

 

(f) Termination
of Rights. The transfer restrictions set forth in Section 3(b) above and Section 12 of the Plan, the Right of First Refusal
granted the Company by Section 3(b) above and the right to repurchase the Shares in the event of an involuntary transfer granted
the Company by Section 3(c) above shall terminate upon (i) the first sale of Common Stock of the Company to the general public
pursuant to a registration statement filed with and declared effective by the Securities and Exchange Commission under the Securities
Act (other than a registration statement relating solely to the issuance of Common Stock pursuant to a business combination or
an employee incentive or benefit plan) or (ii) any transfer or conversion of Shares made pursuant to a statutory merger or statutory
consolidation of the Company with or into another corporation or corporations if the common stock of the surviving corporation
or any direct or indirect parent corporation thereof is registered under the Exchange Act. Upon termination of such transfer restrictions,
the Company will remove any stop-transfer notices referred to in Section 7(b) below and related to the restrictions in this Section
3 and a new stock certificate or, in the case of uncertificated securities, notice of issuance, for the Shares not repurchased
or forfeited shall be issued, on request, without the legend referred to in Section 7(a)(ii) below.

 

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(g) Lock-Up
Agreement. If so requested by the Company or the underwriters in connection with the initial public offering of the Company’s
securities registered under the Securities Act of 1933, as amended, Participant shall not sell, make any short sale of, loan, grant
any option for the purchase of, or otherwise dispose of any securities of the Company however or whenever acquired (except for
those being registered) without the prior written consent of the Company or such underwriters, as the case may be, for 180 days
from the effective date of the registration statement, plus such additional period, to the extent required by FINRA rules, up to
a maximum of 216 days from the effective date of the registration statement, and Participant shall execute an agreement reflecting
the foregoing as may be requested by the underwriters at the time of such offering.

 

4. Escrow of
Unvested Shares. For purposes of facilitating the enforcement of the provisions of Section 3 above, Participant agrees
to deliver a Stock Power in the form attached to this Agreement as Exhibit A executed by Participant and by Participant’s
spouse (if required for transfer), in blank, and such stock certificate(s), if any, to the Secretary of the Company, or the Secretary’s
designee, to hold such Shares (and stock certificate(s), if any) and Stock Power in escrow and to take all such actions and to
effectuate all such transfers and/or releases as are required in accordance with the terms of this Agreement. Participant hereby
acknowledges that the Secretary of the Company, or the Secretary’s designee, is so appointed as the escrow holder with the
foregoing authorities as a material inducement to make this Agreement and that said appointment is coupled with an interest and
is accordingly irrevocable. Participant agrees that said escrow holder shall not be liable to any party hereof (or to any other
party). The escrow holder may rely upon any letter, notice or other document executed by any signature purported to be genuine
and may resign at any time. Participant agrees that if the Secretary of the Company, or the Secretary’s designee, resigns
as escrow holder for any or no reason, the Board shall have the power to appoint a successor to serve as escrow holder pursuant
to the terms of this Agreement

 

5. Investment
and Taxation Representations. In connection with the receipt of the Shares, Participant represents to the Company the following:

 

(a) Participant is
aware of the Company’s business affairs and financial condition and has acquired sufficient information about the Company
to reach an informed and knowledgeable decision to acquire the Shares. Participant is receiving the Shares for investment for Participant’s
own account only and not with a view to, or for resale in connection with, any “distribution” thereof within the meaning
of the Securities Act or under any applicable provision of state law. Participant does not have any present intention to transfer
the Shares to any other person or entity.

 

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(b) Participant understands
that the Shares have not been registered under the Securities Act by reason of a specific exemption therefrom, which exemption
depends upon, among other things, the bona fide nature of Participant’s investment intent as expressed herein.

 

(c) Participant further
acknowledges and understands that the securities must be held indefinitely unless they are subsequently registered under the Securities
Act or an exemption from such registration is available. Participant further acknowledges and understands that the Company is under
no obligation to register the securities.

 

(d) Participant is
familiar with the provisions of Rule 144, promulgated under the Securities Act, which, in substance, permits limited public resale
of “restricted securities” acquired, directly or indirectly, from the issuer of the securities (or from an affiliate
of such issuer), in a non-public offering subject to the satisfaction of certain conditions. Participant understands that the Company
provides no assurances as to whether he or she will be able to resell any or all of the Shares pursuant to Rule 144, which rule
requires, among other things, that the Company be subject to the reporting requirements of the Exchange Act, that resales of securities
take place only after the holder of the Shares has held the Shares for certain specified time periods, and under certain circumstances,
that resales of securities be limited in volume and take place only pursuant to brokered transactions. Notwithstanding this Section
5(d), Participant acknowledges and agrees to the restrictions set forth in Section 5(e) below.

 

(e) Participant further
understands that in the event all of the applicable requirements of Rule 144 are not satisfied, registration under the Securities
Act, compliance with Regulation A, or some other registration exemption will be required; and that, notwithstanding the fact that
Rule 144 is not exclusive, the Staff of the Securities and Exchange Commission has expressed its opinion that persons proposing
to sell private placement securities other than in a registered offering and otherwise than pursuant to Rule 144 will have a substantial
burden of proof in establishing that an exemption from registration is available for such offers or sales, and that such persons
and their respective brokers who participate in such transactions do so at their own risk.

 

(f) Participant represents
that Participant is not subject to any of the “Bad Actor” disqualifications described in Rule 506(d)(1)(i) to (viii)
under the Securities Act (attached hereto as Annex I).

 

(g) Participant understands
that Participant may suffer adverse tax consequences as a result of Participant’s receipt or disposition of the Shares. Participant
represents that Participant has consulted any tax consultants Participant deems advisable in connection with the receipt or disposition
of the Shares and that Participant is not relying on the Company for any tax advice.

 

6. Voting Provisions.
As a condition precedent to entering into this Agreement, at the request of the Company, Participant shall become a party to
any voting agreement to which the Company is a party at the time of Participant’s execution and delivery of this Agreement,
as such voting agreement may be thereafter amended from time to time (the “Voting Agreement”), by executing
an adoption agreement or counterpart signature page agreeing to be bound by and subject to the terms of the Voting Agreement and
to vote the Shares in the capacity of a “Common Holder” and a “Stockholder,” as such terms may be defined
in the Voting Agreement.

 

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7. Restrictive
Legends and Stop-Transfer Orders.

 

(a) Legends.
Any stock certificate or, in the case of uncertificated securities, notice of issuance, for the Shares shall bear the following
legends (as well as any legends required by the Company or applicable state and federal corporate and securities laws):

 

(i) “THE SECURITIES
REFERENCED HEREIN HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AND HAVE BEEN ACQUIRED FOR INVESTMENT AND NOT WITH
A VIEW TO, OR IN CONNECTION WITH, THE SALE OR DISTRIBUTION THEREOF. NO SUCH SALE OR DISTRIBUTION MAY BE EFFECTED WITHOUT AN EFFECTIVE
REGISTRATION STATEMENT RELATED THERETO OR AN OPINION OF COUNSEL IN A FORM SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION IS
NOT REQUIRED UNDER THE SECURITIES ACT OF 1933.”

 

(ii) “THE SECURITIES
REFERENCED HEREIN MAY BE TRANSFERRED ONLY IN ACCORDANCE WITH THE TERMS OF AN AGREEMENT BETWEEN THE COMPANY AND THE STOCKHOLDER,
A COPY OF WHICH IS ON FILE WITH AND MAY BE OBTAINED FROM THE SECRETARY OF THE COMPANY AT NO CHARGE.”

 

(iii) “THE TRANSFER
OF SECURITIES REFERENCED HEREIN IS SUBJECT TO RESTRICTIONS REQUIRING APPROVAL OF THE COMPANY PURSUANT TO AND IN ACCORDANCE WITH
THE COMPANY’S STOCK PLAN, COPIES OF WHICH MAY BE OBTAINED UPON WRITTEN REQUEST TO THE COMPANY AT ITS PRINCIPAL PLACE OF BUSINESS.
THE COMPANY SHALL NOT REGISTER OR OTHERWISE RECOGNIZE OR GIVE EFFECT TO ANY PURPORTED TRANSFER OF SHARES OF STOCK THAT DOES NOT
COMPLY WITH THE COMPANY’S STOCK PLAN.”

 

(iv) Any legend required
by the Voting Agreement, as applicable.

 

(b) Stop-Transfer
Notices. Participant agrees that, in order to ensure compliance with the restrictions referred to herein, the Company may
issue appropriate “stop transfer” instructions to its transfer agent, if any, and that, if the Company transfers its
own securities, it may make appropriate notations to the same effect in its own records.

 

(c) Refusal
to Transfer. The Company shall not be required (i) to transfer on its books any Shares that have been sold or otherwise
transferred in violation of any of the provisions of this Agreement or the Plan or (ii) to treat as owner of such Shares or to
accord the right to vote or pay dividends to any purchaser or other transferee to whom such Shares shall have been so transferred.

 

(d) Required
Notices. Participant acknowledges that the Shares are issued and shall be held subject to all the provisions of this Section
7, the Certificate of Incorporation and the Bylaws of the Company and any amendments thereto, copies of which are on file at the
principal office of the Company. A statement of all of the rights, preferences, privileges and restrictions granted to or imposed
upon the respective classes and/or series of shares of stock of the Company and upon the holders thereof may be obtained by any
stockholder upon request and without charge, at the principal office of the Company, and the Company will furnish any stockholder,
upon request and without charge, a copy of such statement. Participant acknowledges that the provisions of this Section 7 shall
constitute the notices required by Sections 151(f) and 202(a) of the Delaware General Corporation Law and the Participant hereby
expressly waives the requirement of Section 151(f) of the Delaware General Corporation Law that it receive the written notice provided
for in Sections 151(f) and 202(a) of the Delaware General Corporation Law within a reasonable time after the issuance of the Shares.

 

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8. No Employment
Rights. Nothing in this Agreement shall affect in any manner whatsoever any right with respect to continuation of an employment
or consulting relationship with the Company (any parent, subsidiary or affiliate), nor shall it interfere in any way with such
employee’s or consultant’s right or the Company’s (parent’s, subsidiary’s or affiliate’s) right
to terminate his or her employment or consulting relationship at any time, with or without Cause.

 

9. Section 83(b)
Election. Participant understands that Section 83(a) of the Code taxes as ordinary income the difference between the amount
paid, if any, for the Shares and the Fair Market Value of the Shares as of the date any restrictions on the Shares lapse. In this
context, “restriction” means the right of the Company to receive the Shares pursuant to the forfeiture provision
set forth in Section 3(a) above, insofar as applicable. Participant understands that Participant may elect to be taxed at the time
the Shares are granted, rather than when and as such shares vest, by filing an election under Section 83(b) (an “83(b)
Election”) of the Code with the Internal Revenue Service within 30 days from the date of grant of the Shares. Even if
the Fair Market Value of the Shares at the time of the execution of this Agreement equals the amount paid for the Shares, the election
must be made to avoid income under Section 83(a) in the future. Participant understands that failure to file such an election in
a timely manner may result in adverse tax consequences for Participant. Participant further understands that an additional copy
of such election form should be filed with Participant’s federal income tax return for the calendar year in which the date
of this Agreement falls. Participant acknowledges that the foregoing is only a summary of the effect of United States federal income
taxation with respect to grant of the Shares hereunder, does not purport to be complete, and is not intended or written to be used,
and cannot be used, for the purposes of avoiding taxpayer penalties. Participant further acknowledges that the Company has directed
Participant to seek independent advice regarding the applicable provisions of the Code, the income tax laws of any municipality,
state or foreign country in which Participant may reside, and the tax consequences of Participant’s death, and Participant
has consulted, and has been fully advised by, Participant’s own tax advisor regarding such tax laws and tax consequences
or has knowingly chosen not to consult such a tax advisor. Participant further acknowledges that neither the Company nor any subsidiary
or representative of the Company has made any warranty or representation to Participant with respect to the tax consequences of
Participant’s receipt of the Shares or of the making or failure to make an 83(b) Election.

 

Unless Participant
executes and delivers to the Company with this executed Agreement a copy of the Acknowledgment and Statement of Decision Regarding
Section 83(b) Election attached hereto as Exhibit B indicating that Participant has decided not to make an election pursuant
to Section 83(b) of the Code, Participant’s execution of this Agreement indicates that Participant has decided to make an
83(b) Election and Participant agrees to furnish to the Company a copy of a manually executed form entitled “Election Under
Section 83(b) of the Internal Revenue Code of 1986,” attached hereto as Exhibit C. PARTICIPANT (AND NOT THE COMPANY,
ITS AGENTS OR ANY OTHER PERSON) SHALL BE SOLELY RESPONSIBLE FOR APPROPRIATELY FILING SUCH FORM WITH THE IRS, EVEN IF PARTICIPANT
REQUESTS THE COMPANY, ITS AGENTS OR ANY OTHER PERSON MAKE THIS FILING ON PARTICIPANT’S BEHALF.

 

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10. Waiver of
Statutory Information Rights. Participant acknowledges and understands that, but for the waiver made herein, Participant
would be entitled, upon written demand under oath stating the purpose thereof, to inspect for any proper purpose, and to make copies
and extracts from, the Company’s stock ledger, a list of its stockholders, and its other books and records, and the books
and records of subsidiaries of the Company, if any, under the circumstances and in the manner provided in Section 220 of the Delaware
General Corporation Law (any and all such rights, and any and all such other rights of Participant as may be provided for in Section
220, the “Inspection Rights”). In light of the foregoing, until the first sale of Common Stock of the Company
to the general public pursuant to a registration statement filed with and declared effective by the Securities and Exchange Commission
under the Securities Act of 1933, as amended, Participant hereby unconditionally and irrevocably waives the Inspection Rights,
whether such Inspection Rights would be exercised or pursued directly or indirectly pursuant to Section 220 or otherwise, and covenants
and agrees never to directly or indirectly commence, voluntarily aid in any way, prosecute, assign, transfer, or cause to be commenced
any claim, action, cause of action, or other proceeding to pursue or exercise the Inspection Rights. The foregoing waiver applies
to the Inspection Rights of Participant in Participant’s capacity as a stockholder and shall not affect any rights of a director,
in his or her capacity as such, under Section 220. The foregoing waiver shall not apply to any contractual inspection rights of
Participant under any written agreement with the Company.

 

11. Miscellaneous.

 

(a) Governing
Law. The validity, interpretation, construction and performance of this Agreement, and all acts and transactions pursuant
hereto and the rights and obligations of the parties hereto shall be governed, construed and interpreted in accordance with the
laws of State of California without giving effect to principles of conflicts of law. For purposes of litigating any dispute that
may arise directly or indirectly from this Agreement, the parties hereby submit and consent to the exclusive jurisdiction of State
of California and agree that any such litigation shall be conducted only in the courts of State of California or the federal courts
of the United States located in State of California and no other courts.

 

(b) Entire Agreement.
This Agreement sets forth the entire agreement and understanding of the parties relating to the subject matter herein and supersedes
all prior or contemporaneous discussions, understandings and agreements, whether oral or written, between them relating to the
subject matter hereof.

 

(c) Amendments
and Waivers. No modification of or amendment to this Agreement, nor any waiver of any rights under this Agreement, shall
be effective unless in writing signed by the parties to this Agreement. No delay or failure to require performance of any provision
of this Agreement shall constitute a waiver of that provision as to that or any other instance.

 

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(d) Successors
and Assigns. Except as otherwise provided in this Agreement, this Agreement, and the rights and obligations of the parties
hereunder, will be binding upon and inure to the benefit of their respective successors, assigns, heirs, executors, administrators
and legal representatives. The Company may assign any of its rights and obligations under this Agreement. No other party to this
Agreement may assign, whether voluntarily or by operation of law, any of its rights and obligations under this Agreement, except
with the prior written consent of the Company.

 

(e) Notices.
Any notice, demand or request required or permitted to be given under this Agreement shall be in writing and shall be deemed
sufficient when delivered personally or by overnight courier or sent by email, or 48 hours after being deposited in the U.S. mail
as certified or registered mail with postage prepaid, addressed to the party to be notified at such party’s address as set
forth on the signature page, as subsequently modified by written notice, or if no address is specified on the signature page, at
the most recent address set forth in the Company’s books and records.

 

(f) Severability.
If one or more provisions of this Agreement are held to be unenforceable under Applicable Laws, the parties agree to renegotiate
such provision in good faith. In the event that the parties cannot reach a mutually agreeable and enforceable replacement for such
provision, then (i) such provision shall be excluded from this Agreement, (ii) the balance of the Agreement shall be interpreted
as if such provision were so excluded and (iii) the balance of the Agreement shall be enforceable in accordance with its terms.

 

(g) Construction.
This Agreement is the result of negotiations between and has been reviewed by each of the parties hereto and their respective
counsel, if any; accordingly, this Agreement shall be deemed to be the product of all of the parties hereto, and no ambiguity shall
be construed in favor of or against any one of the parties hereto.

 

(h) Counterparts.
This Agreement may be executed in any number of counterparts, each of which when so executed and delivered shall be deemed
an original, and all of which together shall constitute one and the same agreement. Execution of a facsimile copy will have the
same force and effect as execution of an original, and a facsimile signature will be deemed an original and valid signature.

 

(i) Electronic
Delivery. The Company may, in its sole discretion, decide to deliver any documents related to Participant’s current
or future participation in the Plan, this Agreement, the Shares, any other Company Securities or any other Company-related documents,
by electronic means. By accepting this Agreement, whether electronically or otherwise, Participant hereby (i) consents to receive
such documents by electronic means, (ii) consents to the use of electronic signatures, and (iii) if applicable, agrees to participate
in the Plan and/or receive any such documents through an on-line or electronic system established and maintained by the Company
or a third party designated by the Company, including but not limited to the use of electronic signatures or click-through electronic
acceptance of terms and conditions. To the extent Participant has been provided with a copy of this Agreement, the Plan, or any
other documents relating to this Agreement in a language other than English, the English language documents will prevail in case
of any ambiguities or divergences as a result of translation.

 

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(j) Imposition
of Other Requirements. The Company reserves the right to impose other requirements on Participant’s participation
in the Plan and on any Award or Shares acquired under the Plan, to the extent the Company determines it is necessary or advisable
in order to comply with Applicable Law or facilitate the administration of the Plan. Participant agrees to sign any additional
agreements or undertakings that may be necessary to accomplish the foregoing. Furthermore, Participant acknowledges that the laws
of the country in which Participant is working at the time of grant of this Agreement, the purchase, vesting or sale of Shares
received pursuant to this Agreement (including any rules or regulations governing securities, foreign exchange, tax, labor, or
other matters) may subject Participant to additional procedural or regulatory requirements that Participant is and will be solely
responsible for and must fulfill.

 

(k) No Acquired
Rights. In accepting the Award, Participant acknowledges that the Plan is established voluntarily by the Company, is discretionary
in nature, and may be modified, amended, suspended or terminated by the Company at any time. The grant of the Award is voluntary
and occasional and does not create any contractual or other right to receive future grants of Awards or benefits in lieu of Awards,
even if Awards have been granted repeatedly in the past, and all decisions with respect to future grants of Awards, if any, will
be at the sole discretion of the Company. In addition, Participant’s participation in the Plan is voluntary, and the Award
and the Shares subject to the Award are extraordinary items that do not constitute regular compensation for services rendered to
the Company or any Subsidiary or Affiliate and are outside the scope of Participant’s employment contract, if any. The Award
and the Shares subject to the Award are not intended to replace any pension rights or compensation and are not part of normal or
expected salary or compensation for any purpose, including but not limited to calculating severance payments, if any, upon termination.

 

(l) Data
Privacy. Participant hereby explicitly and unambiguously consents to the collection, use and transfer, in electronic
or other form, of Participant’s personal data (as described below) by and among, as applicable, the Company and any Subsdiary
or Affiliate for the exclusive purpose of implementing, administering, and managing Participant’s participation in the Plan.
Participant understands that refusal or withdrawal of consent may affect Participant’s ability to participate in the Plan
or to realize benefits from the Award.

 

Participant
understands that the Company and any Subsidiary or Affiliate may hold certain personal information about Participant, including,
but not limited to, Participant’s name, home address and telephone number, date of birth, social insurance number or other
identification number, salary, nationality, job title, any shares of stock or directorships held in the Company or any Subsidiary
or Affiliate, details of all Awards or any other entitlement to Shares awarded, canceled, exercised, vested, unvested or outstanding
in Participant’s favor (“Personal Data”). Participant understands that Personal Data may be transferred
to any Subsidiary or Affiliate or third parties assisting in the implementation, administration and management of the Plan, that
these recipients may be located in the United States, Participant’s country, or elsewhere, and that the recipient’s
country may have different data privacy laws and protections than Participant’s country.

 

(m) California
Corporate Securities Law. THE SALE OF THE SECURITIES WHICH ARE THE SUBJECT OF THIS AGREEMENT HAS NOT BEEN QUALIFIED WITH
THE COMMISSIONER OF CORPORATIONS OF THE STATE OF CALIFORNIA AND THE ISSUANCE OF THE SECURITIES OR THE PAYMENT OR RECEIPT OF ANY
PART OF THE CONSIDERATION THEREFOR PRIOR TO THE QUALIFICATION IS UNLAWFUL, UNLESS THE SALE OF SECURITIES IS EXEMPT FROM QUALIFICATION
BY SECTION 25100, 25102 OR 25105 OF THE CALIFORNIA CORPORATIONS CODE. THE RIGHTS OF ALL PARTIES TO THIS AGREEMENT ARE EXPRESSLY
CONDITIONED UPON THE QUALIFICATION BEING OBTAINED, UNLESS THE SALE IS SO EXEMPT.

 

[Signature Page Follows]

 

    10

     

    

 

The parties have executed
this Restricted Stock Agreement as of the date first set forthabove.

 

THE COMPANY:

 

Space Apprentices
Enterprise Inc.

 

	By:  	 	 
	 	Mikhail Kokorich, President	 

 

3050 Kenneth Street Santa Clara, CA 95054

 

mk@momentus.space

 

PARTICIPANT: 

 

	[Name]	 	 
	 	 	 
	Address:	 	 
	 	 	 
	Email:	 	 

 

    11

     

    

 

I, ___________, spouse
of ________ (“Participant”), have read and hereby approve the foregoing Agreement. In consideration of the Company’s
granting my spouse the right to acquire the Shares as set forth in the Agreement, I hereby agree to be bound irrevocably by the
Agreement and further agree that any community property or other such interest that I may have in the Shares shall hereby be similarly
bound by the Agreement. I hereby appoint my spouse as my attorney-in-fact with respect to any amendment or exercise or waiver of
any rights under the Agreement.

 

SPOUSE OF PARTICIPANT (IF APPLICABLE): 

 

	[Name]		

 

    12

     

    

 

EXHIBIT A

 

STOCK POWER

 

FOR VALUE RECEIVED
and pursuant to that certain Restricted Stock Agreement between the undersigned (“Holder”) and Space Apprentices
Enterprise Inc., a Delaware corporation (the “Company”), dated ___________ (the “Agreement”),
the Holder hereby sells, assigns and transfers unto the Company________________________ shares of the Common Stock of the Company standing in Holder’s
name on the Company’s books, whether held in uncertificated form or certificated form as Certificate No.____________, and does hereby
irrevocably constitute and appoint_________________________ to transfer said stock on the books of the Company with full power of substitution in the premises.
THIS STOCK POWER MAY ONLY BE USED AS AUTHORIZED BY THE AGREEMENT AND THE EXHIBITS THERETO.

 

	Date:      	 	 

 

HOLDER:

 

	[Name]	 	 
	 	 	 
	Address:	 	 
	 	 	 
	Email:	 	 

 

SPOUSE OF HOLDER (IF APPLICABLE):

 

	[Name]   	 	 

 

Instructions: Please do not
fill in any blanks other than the signature line. The purpose of this stock power is to enable the Company to transfer Unvested
Shares to the Company upon termination of Holder’s Continuous Service Status without requiring additional signatures on the
part of Holder.

 

    1

     

    

 

IF YOU WISH TO MAKE A SECTION 83(B) ELECTION,
THE FILING OF SUCH ELECTION IS YOUR RESPONSIBILITY.

 

THE FORM FOR MAKING THIS SECTION 83(B) ELECTION
IS ATTACHED TO THIS AGREEMENT.

 

YOU MUST FILE THIS FORM WITHIN 30 DAYS OF
PURCHASING THE SHARES.

 

YOU (AND NOT THE COMPANY, ANY OF ITS AGENTS
OR ANY OTHER PERSON) SHALL BE SOLELY RESPONSIBLE FOR FILING SUCH FORM WITH THE IRS, EVEN IF YOU REQUEST THE COMPANY, ITS AGENTS
OR ANY OTHER PERSON TO MAKE THIS FILING ON YOUR BEHALF AND EVEN IF THE COMPANY, ANY OF ITS AGENTS OR ANY OTHER PERSON HAS PREVIOUSLY
MADE THIS FILING ON YOUR BEHALF.

 

The election should be filed by mailing
a signed election form by certified mail, return receipt requested to the IRS Service Center where you file your tax returns. See
www.irs.gov.

 

    2

     

    

 

EXHIBIT B

 

ACKNOWLEDGMENT AND STATEMENT OF DECISION

REGARDING SECTION 83(b) ELECTION

 

The undersigned has entered into a restricted
stock agreement (the “Agreement”) with Space Apprentices Enterprise Inc., a Delaware corporation (the “Company”),
pursuant to which the undersigned is receiving ________ shares of Common Stock of the Company (the “Shares”).
In connection with the receipt of the Shares, the undersigned hereby represents as follows:

 

		1.	The undersigned has carefully reviewed the Agreement.

 

		2.	The undersigned either (i) has consulted, and has been fully advised by, the undersigned’s own tax advisor regarding the federal, state and local tax laws and tax consequences of acquiring the Shares, and particularly regarding the advisability of making elections pursuant to Section 83(b) of the Internal Revenue Code of 1986, as amended (the “Code”) and pursuant to the corresponding provisions, if any, of applicable state law, or (ii) has knowingly chosen not to consult such a tax advisor.

 

	3.	Unless the undersigned executes and delivers to the Company with the Agreement a copy of this Acknowledgment and Statement of Decision Regarding Section 83(b) Election with the item checked below indicating that Participant has decided not to make an election pursuant to Section 83(b) of the Code (“83(b) Election”), the undersigned’s execution of the Agreement indicates that the undersigned has decided to make an 83(b) Election and has agreed to furnish to the Company a copy of a manually executed form attached to the Agreement as an exhibit entitled “Election Under Section 83(b) of the Internal Revenue Code of 1986” [check if applicable]:

 

	 	____	By checking this item, the undersigned hereby states that the undersigned has decided not to make an 83(b) Election in connection with the receipt of the Shares.

 

		4.	Neither the Company nor any subsidiary or representative of the Company has made any warranty or representation to the undersigned with respect to the tax consequences of the undersigned’s acquisition of the Shares or of the making or failure to make an election pursuant to Section 83(b) of the Code or the corresponding provisions, if any, of applicable state law.

 

	Dated:    	 	 

 

PARTICIPANT:

 

	[Name]	 	 
	 	 	 
	Address:	 	 
	 	 	 
	Email:	 	 

 

SPOUSE OF PARTICIPANT (IF APPLICABLE): 

 

	[Name]   	 	

 

    1

     

    

 

EXHIBIT C

 

ELECTION UNDER SECTION 83(B) OF THE INTERNAL
REVENUE CODE OF 1986

 

The undersigned taxpayer (the “Taxpayer”)
hereby elects, pursuant to Section 83(b) of the Internal Revenue Code, to include in Taxpayer’s gross income, the amount
of any compensation taxable to Taxpayer in connection with Taxpayer’s receipt of the property described below:

 

		1.	The name, address, taxpayer identification number and taxable year of the undersigned are:

 

	Name of Taxpayer:	 
	Name of Spouse (if applicable):	 
	Address:	 
	Taxpayer Identification No. of Taxpayer:	See below
	Taxpayer Identification No. of Spouse (if applicable):	See below (if applicable)
	Taxable Year for which this election is being made:	 

 

		2.	The property which is the subject of this election is: ________ shares of the Common Stock (the “Shares”) of Space Apprentices Enterprise Inc., a Delaware corporation (the “Company”).

 

	 	3.	The date on which the property was transferred is: ____________

 

		4.	The property is subject to the following restrictions: The Shares may not be transferred and are subject to forfeiture under the terms of an agreement between the taxpayer and the Company. These restrictions lapse upon the satisfaction of certain conditions contained in such agreement, including continued service.

 

		5.	The fair market value of such property at the time of transfer is (determined without regard to any restriction other than a restriction which by its terms will never lapse): USD $____ per share X _________.

 

		6.	The amount (if any) paid for such property: ________

 

Taxpayer is the person performing the services in
connection with which the property was transferred. Taxpayer will:

 

	 	●	file this election with the Internal Revenue Service office with which Taxpayer’s annual income tax return is filed not later than 30 days after the date of transfer of the property

 

	 	●	furnish a copy of this election to the Company for whom the services were performed

 

	 	●	include a copy of this election with Taxpayer’s income tax return for the taxable year in which the property is transferred

 

	Dated:	X 	 	 
	 	 	 	 
	TAXPAYER:	 	 	TAXPAYER SPOUSE (IF APPLICABLE):
	 	 	 
	 	X 	 	 	X 
	 	(Signature)	 	 	(Signature (if applicable))
	 	 	 	 
	 	X 	 	 	X 
	 	(Taxpayer Identification No.)	 	 	(Taxpayer Identification No. (if applicable))

 

    1

     

    

 

ANNEX I

 

Rule 506(d)(1)(i) to (viii) under
the Securities Act of 1933, as amended

 

		(i)	Has been convicted, within ten years before such sale (or five years, in the case of issuers, their predecessors and affiliated issuers), of any felony or misdemeanor:

 

	 	(A)	In connection with the purchase or sale of any security;

 

	 	(B)	Involving the making of any false filing with the Commission; or

 

	 	(C)	Arising out of the conduct of the business of an underwriter, broker, dealer, municipal securities dealer, investment adviser or paid solicitor of purchasers of securities;

 

		(ii)	Is subject to any order, judgment or decree of any court of competent jurisdiction, entered within five years before such sale, that, at the time of such sale, restrains or enjoins such person from engaging or continuing to engage in any conduct or practice:

 

	 	(A)	In connection with the purchase or sale of any security;

 

	 	(B)	Involving the making of any false filing with the Commission; or

 

	 	(C)	Arising out of the conduct of the business of an underwriter, broker, dealer, municipal securities dealer, investment adviser or paid solicitor of purchasers of securities;

 

		(iii)	Is subject to a final order of a state securities commission (or an agency or officer of a state performing like functions); a state authority that supervises or examines banks, savings associations, or credit unions; a state insurance commission (or an agency or officer of a state performing like functions); an appropriate federal banking agency; the U.S. Commodity Futures Trading Commission; or the National Credit Union Administration that:

 

	 	(A)	At the time of such sale, bars the person from:

 

	 	(1)	Association with an entity regulated by such commission, authority, agency, or officer;

 

	 	(2)	Engaging in the business of securities, insurance or banking; or

 

	 	(3)	Engaging in savings association or credit union activities; or

 

	 	(B)	Constitutes a final order based on a violation of any law or regulation that prohibits fraudulent, manipulative, or deceptive conduct entered within ten years before such sale;

 

		(iv)	Is subject to an order of the Commission entered pursuant to section 15(b) or 15B(c) of the Securities Exchange Act of 1934 (15 U.S.C. 78o(b) or 78o-4(c)) or section 203(e) or (f) of the Investment Advisers Act of 1940 (15 U.S.C. 80b-3(e) or (f)) that, at the time of such sale:

 

	 	(A)	Suspends or revokes such person’s registration as a broker, dealer, municipal securities dealer or investment adviser;

 

	 	(B)	Places limitations on the activities, functions or operations of such person; or

 

	 	(C)	Bars such person from being associated with any entity or from participating in the offering of any penny stock;

 

		(v)	Is subject to any order of the Commission entered within five years before such sale that, at the time of such sale, orders the person to cease and desist from committing or causing a violation or future violation of:

 

	 	(A)	Any scienter-based anti-fraud provision of the federal securities laws, including without limitation section 17(a)(1) of the Securities Act of 1933 (15 U.S.C. 77q(a)(1)), section 10(b) of the Securities Exchange Act of 1934 (15 U.S.C. 78j(b)) and 17 CFR 240.10b-5, section 15(c)(1) of the Securities Exchange Act of 1934 (15 U.S.C. 78o(c)(1)) and section 206(1) of the Investment Advisers Act of 1940 (15 U.S.C. 80b-6(1)), or any other rule or regulation thereunder; or

 

	 	(B)	Section 5 of the Securities Act of 1933 (15 U.S.C. 77e).

 

		(vi)	Is suspended or expelled from membership in, or suspended or barred from association with a member of, a registered national securities exchange or a registered national or affiliated securities association for any act or omission to act constituting conduct inconsistent with just and equitable principles of trade;

 

		(vii)	Has filed (as a registrant or issuer), or was or was named as an underwriter in, any registration statement or Regulation A offering statement filed with the Commission that, within five years before such sale, was the subject of a refusal order, stop order, or order suspending the Regulation A exemption, or is, at the time of such sale, the subject of an investigation or proceeding to determine whether a stop order or suspension order should be issued; or

 

		(viii)	Is subject to a United States Postal Service false representation order entered within five years before such sale, or is, at the time of such sale, subject to a temporary restraining order or preliminary injunction with respect to conduct alleged by the United States Postal Service to constitute a scheme or device for obtaining money or property through the mail by means of false representations.

 

    1

     

    

 

RECEIPT AND CONSENT

 

The undersigned hereby
acknowledges receipt of a notice of issuance for _____ shares of Common Stock of Space Apprentices Enterprise Inc., a Delaware
corporation (the “Company”).

 

The undersigned further
acknowledges that the Secretary of the Company, or his or her designee, is acting as escrow holder pursuant to the Restricted Stock
Agreement that Participant has entered into with the Company. As escrow holder, the Secretary of the Company, or his or her designee,
holds the original of the aforementioned shares issued in the undersigned’s name.

 

	Dated:    	 	 

 

PARTICIPANT:

 

	[Name]	 	 
	 	 	 
	Address:	 	 
	 	 	 
	Email:	 	 

 

SPOUSE OF PARTICIPANT (IF APPLICABLE):

 

	[Name]   	 	 
	 	 	 

 

 

 

1Exhibit 10.11

 

Momentus
Inc.

 

Amended
and Restated 2018 Stock Plan

 

1.
Purposes of the Plan. The purposes of this Amended and Restated 2018 Stock Plan are to attract and retain the best
available personnel for positions of substantial responsibility, to provide additional incentive to Employees and Consultants,
and to promote the success of the Company’s business. Options granted under the Plan may be Incentive Stock Options or Nonstatutory
Stock Options, as determined by the Administrator at the time of grant of an Option and subject to the applicable provisions of
Section 422 of the Code and the regulations promulgated thereunder. Restricted Stock may also be granted under the Plan.

 

2.
Definitions. As used herein, the following definitions shall apply:

 

(a)
“Administrator” means the Board or a Committee.

 

(b)
“Affiliate” means (i) an entity other than a Subsidiary which, together with the Company, is under common
control of a third person or entity and (ii) an entity other than a Subsidiary in which the Company and /or one or more Subsidiaries
own a controlling interest.

 

(c)
“Applicable Laws” means all applicable laws, rules, regulations and requirements, including, but not
limited to, all applicable U.S. federal or state laws, any Stock Exchange rules or regulations, and the applicable laws, rules
or regulations of any other country or jurisdiction where Options or Restricted Stock are granted under the Plan or Participants
reside or provide services, as such laws, rules, and regulations shall be in effect from time to time.

 

(d)
“Award” means any award of an Option or Restricted Stock under the Plan.

 

(e)
“Board” means the Board of Directors of the Company.

 

(f)
“California Participant” means a Participant whose Award is issued in reliance on Section 25102(o)
of the California Corporations Code.

 

(g)
“Cashless Exercise” means a program approved by the Administrator in which payment of the Option exercise
price or tax withholding obligations or other required deductions may be satisfied, in whole or in part, with Shares subject to
the Option, including by delivery of an irrevocable direction to a securities broker (on a form prescribed by the Company) to
sell Shares and to deliver all or part of the sale proceeds to the Company in payment of such amount.

 

     

     

    

  

(h)
“Cause” for termination of a Participant’s Continuous Service Status will exist (unless another
definition is provided in an applicable Option Agreement, Restricted Stock Purchase Agreement, employment agreement or other applicable
written agreement) if the Participant’s Continuous Service Status is terminated for any of the following reasons: (i) any
material breach by Participant of any material written agreement between Participant and the Company and Participant’s failure
to cure such breach within 30 days after receiving written notice thereof; (ii) any failure by Participant to comply with the
Company’s material written policies or rules as they may be in effect from time to time; (iii) neglect or persistent unsatisfactory
performance of Participant’s duties and Participant’s failure to cure such condition within 30 days after receiving
written notice thereof; (iv) Participant’s repeated failure to follow reasonable and lawful instructions from the Board
or Chief Executive Officer and Participant’s failure to cure such condition within 30 days after receiving written notice
thereof; (v) Participant’s conviction of, or plea of guilty or nolo contendere to, any crime that results in, or is reasonably
expected to result in, material harm to the business or reputation of the Company; (vi) Participant’s commission of or participation
in an act of fraud against the Company; (vii) Participant’s intentional material damage to the Company’s business,
property or reputation; or (viii) Participant’s unauthorized use or disclosure of any proprietary information or trade secrets
of the Company or any other party to whom the Participant owes an obligation of nondisclosure as a result of his or her relationship
with the Company. For purposes of clarity, a termination without “Cause” does not include any termination that occurs
as a result of Participant’s death or disability. The determination as to whether a Participant’s Continuous Service
Status has been terminated for Cause shall be made in good faith by the Company and shall be final and binding on the Participant.
The foregoing definition does not in any way limit the Company’s ability to terminate a Participant’s employment or
consulting relationship at any time, and the term “Company” will be interpreted to include any Subsidiary, Parent,
Affiliate, or any successor thereto, if appropriate.

 

(i)
“Change of Control” means (i) a sale of all or substantially all of the Company’s assets other
than to an Excluded Entity (as defined below), (ii) a merger, consolidation or other capital reorganization or business combination
transaction of the Company with or into another corporation, limited liability company or other entity other than an Excluded
Entity, or (iii) the consummation of a transaction, or series of related transactions, in which any “person” (as such
term is used in Sections 13(d) and 14(d) of the Exchange Act) becomes the “beneficial owner” (as defined in Rule 13d-3
of the Exchange Act), directly or indirectly, of all of the Company’s then outstanding voting securities.

 

Notwithstanding
the foregoing, a transaction shall not constitute a Change of Control if its purpose is to (A) change the jurisdiction of the
Company’s incorporation, (B) create a holding company that will be owned in substantially the same proportions by the persons
who hold the Company’s securities immediately before such transaction, or (C) obtain funding for the Company in a financing
that is approved by the Company’s Board. An “Excluded Entity” means a corporation or other entity of
which the holders of voting capital stock of the Company outstanding immediately prior to such transaction are the direct or indirect
holders of voting securities representing at least a majority of the votes entitled to be cast by all of such corporation’s
or other entity’s voting securities outstanding immediately after such transaction.

 

(a)
“Class A Common Stock” means the Company’s Class A Common Stock.

 

(b)
“Code” means the Internal Revenue Code of 1986, as amended.

 

    -2-

     

    

 

(c)
“Committee” means one or more committees or subcommittees of the Board consisting of two (2) or more
Directors (or such lesser or greater number of Directors as shall constitute the minimum number permitted by Applicable Laws to
establish a committee or sub-committee of the Board) appointed by the Board to administer the Plan in accordance with Section 4
below.

 

(d)
“Common Stock” means the Company’s common stock.

 

(e)
“Company” means Momentus Inc., a Delaware corporation.

 

(f)
“Consultant” means any person or entity, including an advisor but not an Employee, that renders, or
has rendered, services to the Company, or any Parent, Subsidiary or Affiliate and is compensated for such services, and any Director
whether compensated for such services or not.

 

(g)
“Continuous Service Status” means the absence of any interruption or termination of service as an Employee
or Consultant. Continuous Service Status as an Employee or Consultant shall not be considered interrupted or terminated in the
case of: (i) Company approved sick leave; (ii) military leave; (iii) any other bona fide leave of absence approved by the Company,
provided that, if an Employee is holding an Incentive Stock Option and such leave exceeds 3 months then, for purposes of Incentive
Stock Option status only, such Employee’s service as an Employee shall be deemed terminated on the 1st day following such
3-month period and the Incentive Stock Option shall thereafter automatically become a Nonstatutory Stock Option in accordance
with Applicable Laws, unless reemployment upon the expiration of such leave is guaranteed by contract or statute, or unless provided
otherwise pursuant to a written Company policy. Also, Continuous Service Status as an Employee or Consultant shall not be considered
interrupted or terminated in the case of a transfer between locations of the Company or between the Company, its Parents, Subsidiaries
or Affiliates, or their respective successors, or a change in status from an Employee to a Consultant or from a Consultant to
an Employee.

 

(h)
“Director” means a member of the Board.

 

(i)
“Disability” means “disability” within the meaning of Section 22(e)(3) of the Code.

 

(j)
“Employee” means any person employed by the Company, or any Parent, Subsidiary or Affiliate, with the
status of employment determined pursuant to such factors as are deemed appropriate by the Company in its sole discretion, subject
to any requirements of Applicable Laws, including the Code. The payment by the Company of a director’s fee shall not be
sufficient to constitute “employment” of such director by the Company or any Parent, Subsidiary or Affiliate.

 

(k)
“Exchange Act” means the Securities Exchange Act of 1934, as amended.

 

(l)
“Fair Market Value” means, as of any date, the per share fair market value of the Class A Common Stock,
as determined by the Administrator in good faith on such basis as it deems appropriate and applied consistently with respect to
Participants. Whenever possible, the determination of Fair Market Value shall be based upon the per share closing price for the
Shares as reported in The Wall Street Journal for the applicable date.

 

    -3-

     

    

 

(m)
“Family Members” means any child, stepchild, grandchild, parent, stepparent, grandparent, spouse, former
spouse, sibling, niece, nephew, mother-in-law, father-in-law, son-in-law, daughter-in-law, brother-in-law, or sister-in-law (including
adoptive relationships) of the Participant, any person sharing the Participant’s household (other than a tenant or employee),
a trust in which these persons (or the Participant) have more than 50% of the beneficial interest, a foundation in which these
persons (or the Participant) control the management of assets, and any other entity in which these persons (or the Participant)
own more than 50% of the voting interests.

 

(n)
“Incentive Stock Option” means an Option intended to, and which does, in fact, qualify as an incentive
stock option within the meaning of Section 422 of the Code.

 

(o)
“Involuntary Termination” means (unless another definition is provided in the applicable Option Agreement,
Restricted Stock Purchase Agreement, employment agreement or other applicable written agreement) the termination of a Participant’s
Continuous Service Status other than for (i) death, (ii) Disability or (iii) for Cause by the Company or a Parent, Subsidiary,
Affiliate or successor thereto, as appropriate.

 

(p)
“Listed Security” means any security of the Company that is listed or approved for listing on a national
securities exchange or designated or approved for designation as a national market system security on an interdealer quotation
system by the Financial Industry Regulatory Authority (or any successor thereto).

 

(q)
“Nonstatutory Stock Option” means an Option that is not intended to, or does not, in fact, qualify as
an Incentive Stock Option.

 

(r)
“Option” means a stock option granted pursuant to the Plan.

 

(s)
“Option Agreement” means a written document, the form(s) of which shall be approved from time to time
by the Administrator, reflecting the terms of an Option granted under the Plan and includes any documents attached to or incorporated
into such Option Agreement, including, but not limited to, a notice of stock option grant and a form of exercise notice.

 

(t)
“Option Exchange Program” means a program approved by the Administrator whereby outstanding Options
(i) are exchanged for Options with a lower exercise price, Restricted Stock, cash or other property or (ii) are amended to decrease
the exercise price as a result of a decline in the Fair Market Value.

 

(u)
“Optioned Stock” means Shares that are subject to an Option or that were issued pursuant to the exercise
of an Option.

 

(v)
“Optionee” means an Employee or Consultant who receives an Option.

 

    -4-

     

    

 

(w)
“Parent” means any corporation (other than the Company) in an unbroken chain of corporations ending
with the Company if, at the time of grant of the Award, each of the corporations other than the Company owns stock possessing
50% or more of the total combined voting power of all classes of stock in one of the other corporations in such chain. A corporation
that attains the status of a Parent on a date after the adoption of the Plan shall be considered a Parent commencing as of such
date.

 

(x)
“Participant” means any holder of one or more Awards or Shares issued pursuant to an Award.

 

(y)
“Plan” means this Amended and Restated 2018 Stock Plan.

 

(z)
“Restricted Stock” means Shares acquired pursuant to a right to purchase or receive Class A Common Stock
granted pursuant to Section 8 below.

 

(aa)
“Restricted Stock Purchase Agreement” means a written document, the form(s) of which shall be approved
from time to time by the Administrator, reflecting the terms of Restricted Stock granted under the Plan and includes any documents
attached to such agreement.

 

(bb)
“Rule 16b-3” means Rule 16b-3 promulgated under the Exchange Act, as amended from time to time, or any
successor provision.

 

(cc)
“Share” means a share of Class A Common Stock, as adjusted in accordance with Section 10 below.

 

(dd)
“Stock Exchange” means any stock exchange or consolidated stock price reporting system on which prices
for the Class A Common Stock are quoted at any given time.

 

(ee)
“Subsidiary” means any corporation (other than the Company) in an unbroken chain of corporations beginning
with the Company if, at the time of grant of the Award, each of the corporations other than the last corporation in the unbroken
chain owns stock possessing 50% or more of the total combined voting power of all classes of stock in one of the other corporations
in such chain. A corporation that attains the status of a Subsidiary on a date after the adoption of the Plan shall be considered
a Subsidiary commencing as of such date.

 

(ff)
“Ten Percent Holder” means a person who owns stock representing more than 10% of the voting power of
all classes of stock of the Company or any Parent or Subsidiary measured as of an Award’s date of grant.

 

    -5-

     

    

 

3.
Stock Subject to the Plan. Subject to the provisions of Section 10 below, the maximum aggregate number of Shares
that may be issued under the Plan is equal to (i) 37,006,537 Shares plus (ii) any Shares subject to awards that are outstanding
as of October 30, 2018 and granted under the Momentus Inc. 2018 Stock Plan (the “Prior Plan”) that expire or
otherwise terminate without having been exercised in full and Shares issued, as of October 30, 2018, pursuant to awards granted
under the Prior Plan that are forfeited to or repurchased by the Company, with the maximum number of Shares to be added to the
Plan pursuant to this clause (ii) equal to 11,650,000 Shares, all of which Shares may be issued under the Plan pursuant to Incentive
Stock Options. The Shares issued under the Plan may be authorized, but unissued, or reacquired Shares. If an Award should expire
or become unexercisable for any reason without having been exercised in full, or is surrendered pursuant to an Option Exchange
Program, the unissued Shares that were subject thereto shall, unless the Plan shall have been terminated, continue to be available
under the Plan for issuance pursuant to future Awards. In addition, any Shares which are retained by the Company upon exercise
of an Award in order to satisfy the exercise or purchase price for such Award or any withholding taxes due with respect to such
Award shall be treated as not issued and shall continue to be available under the Plan for issuance pursuant to future Awards.
Shares issued under the Plan and later forfeited to the Company due to the failure to vest or repurchased by the Company at the
original purchase price paid to the Company for the Shares (including, without limitation, upon forfeiture to or repurchase by
the Company in connection with the termination of a Participant’s Continuous Service Status) shall again be available for
future grant under the Plan. Notwithstanding the foregoing, subject to the provisions of Section 10 below, in no event shall
the maximum aggregate number of Shares that may be issued under the Plan pursuant to Incentive Stock Options exceed the number
set forth in the first sentence of this Section 3 plus, to the extent allowable under Section 422 of the Code and the Treasury
Regulations promulgated there under, any Shares that again become available for issuance pursuant to the remaining provisions
of this Section 3.

 

4.
Administration of the Plan.

 

(a)
General. The Plan shall be administered by the Board, a Committee appointed by the Board, or any combination thereof,
as determined by the Board. The Plan may be administered by different administrative bodies with respect to different classes
of Participants and, if permitted by Applicable Laws, the Board may authorize one or more officers of the Company to make Awards
under the Plan to Employees and Consultants (who are not subject to Section 16 of the Exchange Act) within parameters specified
by the Board.

 

(b)
Committee Composition. If a Committee has been appointed pursuant to this Section 4, such Committee shall continue
to serve in its designated capacity until otherwise directed by the Board. From time to time the Board may increase the size of
any Committee and appoint additional members thereof, remove members (with or without cause) and appoint new members in substitution
therefor, fill vacancies (however caused) and dissolve a Committee and thereafter directly administer the Plan, all to the extent
permitted by Applicable Laws and, in the case of a Committee administering the Plan in accordance with the requirements of Rule 16b-3
or Section 162(m) of the Code, to the extent permitted or required by such provisions.

 

(c)
Powers of the Administrator. Subject to the provisions of the Plan and, in the case of a Committee, the specific
duties delegated by the Board to such Committee, the Administrator shall have the authority, in its sole discretion:

 

(i)
to determine the Fair Market Value in accordance with Section 2(t) above, provided that such determination shall be applied
consistently with respect to Participants under the Plan;

 

    -6-

     

    

 

(ii)
to select the Employees and Consultants to whom Awards may from time to time be granted;

 

(iii)
to determine the number of Shares to be covered by each Award;

 

(iv)
to approve the form(s) of agreement(s) and other related documents used under the Plan;

 

(v)
to determine the terms and conditions, not inconsistent with the terms of the Plan, of any Award granted hereunder, which terms
and conditions include but are not limited to the exercise or purchase price, the time or times when Awards may vest and/or be
exercised (which may be based on performance criteria), the circumstances (if any) when vesting will be accelerated or forfeiture
restrictions will be waived, and any restriction or limitation regarding any Award, Optioned Stock, or Restricted Stock;

 

(vi)
to amend any outstanding Award or agreement related to any Optioned Stock or Restricted Stock, including any amendment adjusting
vesting (e.g., in connection with a change in the terms or conditions under which such person is providing services to the Company),
provided that no amendment shall be made that would materially and adversely affect the rights of any Participant without his
or her consent;

 

(vii)
to determine whether and under what circumstances an Option may be settled in cash under Section 7(c)(iii) below instead
of Class A Common Stock;

 

(viii)
subject to Applicable Laws, to implement an Option Exchange Program and establish the terms and conditions of such Option Exchange
Program without consent of the holders of capital stock of the Company, provided that no amendment or adjustment to an Option
that would materially and adversely affect the rights of any Participant shall be made without his or her consent;

 

(ix)
to approve addenda pursuant to Section 18 below or to grant Awards to, or to modify the terms of, any outstanding Option
Agreement or Restricted Stock Purchase Agreement or any agreement related to any Optioned Stock or Restricted Stock held by Participants
who are foreign nationals or employed outside of the United States with such terms and conditions as the Administrator deems necessary
or appropriate to accommodate differences in local law, tax policy or custom which deviate from the terms and conditions set forth
in this Plan to the extent necessary or appropriate to accommodate such differences; and

 

(x)
to construe and interpret the terms of the Plan, any Option Agreement or Restricted Stock Purchase Agreement, and any agreement
related to any Optioned Stock or Restricted Stock, which constructions, interpretations and decisions shall be final and binding
on all Participants.

 

    -7-

     

    

 

(d)
Indemnification. To the maximum extent permitted by Applicable Laws, each member of the Committee (including officers
of the Company, if applicable), or of the Board, as applicable, shall be indemnified and held harmless by the Company against
and from (i) any loss, cost, liability, or expense that may be imposed upon or reasonably incurred by him or her in connection
with or resulting from any claim, action, suit, or proceeding to which he or she may be a party or in which he or she may be involved
by reason of any action taken or failure to act under the Plan or pursuant to the terms and conditions of any Award except for
actions taken in bad faith or failures to act in good faith, and (ii) any and all amounts paid by him or her in settlement
thereof, with the Company’s approval, or paid by him or her in satisfaction of any judgment in any such claim, action, suit,
or proceeding against him or her, provided that such member shall give the Company an opportunity, at its own expense, to handle
and defend any such claim, action, suit or proceeding before he or she undertakes to handle and defend it on his or her own behalf.
The foregoing right of indemnification shall not be exclusive of any other rights of indemnification to which such persons may
be entitled under the Company’s Certificate of Incorporation or Bylaws, by contract, as a matter of law, or otherwise, or
under any other power that the Company may have to indemnify or hold harmless each such person.

 

5.
Eligibility.

 

(a)
Recipients of Grants. Nonstatutory Stock Options and Restricted Stock may be granted to Employees and Consultants.
Incentive Stock Options may be granted only to Employees, provided that Employees of Affiliates shall not be eligible to receive
Incentive Stock Options.

 

(b)
Type of Option. Each Option shall be designated in the Option Agreement as either an Incentive Stock Option or a
Nonstatutory Stock Option.

 

(c)
ISO $100,000 Limitation.  Notwithstanding any designation under Section 5(b) above, to the extent that the
aggregate Fair Market Value of Shares with respect to which options designated as incentive stock options are exercisable for
the first time by any Optionee during any calendar year (under all plans of the Company or any Parent or Subsidiary) exceeds $100,000,
such excess options shall be treated as nonstatutory stock options. For purposes of this Section 5(c), incentive stock options
shall be taken into account in the order in which they were granted, and the Fair Market Value of the Shares subject to an incentive
stock option shall be determined as of the date of the grant of such option.

 

(d)
No Employment Rights. Neither the Plan nor any Award shall confer upon any Employee or Consultant any right with
respect to continuation of an employment or consulting relationship with the Company (any Parent, Subsidiary or Affiliate), nor
shall it interfere in any way with such Employee’s or Consultant’s right or the Company’s (Parent’s, Subsidiary’s
or Affiliate’s) right to terminate his or her employment or consulting relationship at any time, with or without cause.

 

6.
Term of Plan. The Plan shall become effective upon its adoption by the Board and shall continue in effect for a
term of 10 years unless sooner terminated under Section 14 below.

 

7.
Options.

 

(a)
Term of Option. The term of each Option shall be the term stated in the Option Agreement; provided that the term
shall be no more than 10 years from the date of grant thereof or such shorter term as may be provided in the Option Agreement
and provided further that, in the case of an Incentive Stock Option granted to a person who at the time of such grant is a Ten
Percent Holder, the term of the Option shall be 5 years from the date of grant thereof or such shorter term as may be provided
in the Option Agreement.

 

    -8-

     

    

 

(b)
Option Exercise Price and Consideration.

 

(i)
Exercise Price. The per Share exercise price for the Shares to be issued pursuant to the exercise of an Option shall
be such price as is determined by the Administrator and set forth in the Option Agreement, but shall be subject to the following:

 

(1)
In the case of an Incentive Stock Option

 

a.
granted to an Employee who at the time of grant is a Ten Percent Holder, the per Share exercise price shall be no less than 110%
of the Fair Market Value on the date of grant;

 

b.
granted to any other Employee, the per Share exercise price shall be no less than 100% of the Fair Market Value on the date of
grant;

 

(2)
Except as provided in subsection (3) below, in the case of a Nonstatutory Stock Option the per Share exercise price shall
be such price as is determined by the Administrator, provided that, if the per Share exercise price is less than 100% of the Fair
Market Value on the date of grant, it shall otherwise comply with all Applicable Laws, including Section 409A of the Code;
and

 

(3)
Notwithstanding the foregoing, Options may be granted with a per Share exercise price other than as required above pursuant to
a merger or other corporate transaction.

 

(ii)
Permissible Consideration. The consideration to be paid for the Shares to be issued upon exercise of an Option,
including the method of payment, shall be determined by the Administrator (and, in the case of an Incentive Stock Option and to
the extent required by Applicable Laws, shall be determined at the time of grant) and may consist entirely of (1) cash; (2) check;
(3)  to the extent permitted under, and in accordance with, Applicable Laws, delivery of a promissory note with such recourse,
interest, security and redemption provisions as the Administrator determines to be appropriate (subject to the provisions of Section
152 of the Delaware General Corporation Law); (4) cancellation of indebtedness; (5) other previously owned Shares that have
a Fair Market Value on the date of surrender equal to the aggregate exercise price of the Shares as to which the Option is exercised;
(6) a Cashless Exercise; (7) such other consideration and method of payment permitted under Applicable Laws; or (8)
any combination of the foregoing methods of payment. In making its determination as to the type of consideration to accept, the
Administrator shall consider if acceptance of such consideration may be reasonably expected to benefit the Company and the Administrator
may, in its sole discretion, refuse to accept a particular form of consideration at the time of any Option exercise.

 

    -9-

     

    

 

(c)
Exercise of Option.

 

(i)
General.

 

(1)
Exercisability. Any Option granted hereunder shall be exercisable at such times and under such conditions as determined
by the Administrator, consistent with the terms of the Plan and reflected in the Option Agreement, including vesting requirements
and/or performance criteria with respect to the Company, and Parent, Subsidiary or Affiliate, and/or the Optionee.

 

(2)
Leave of Absence. The Administrator shall have the discretion to determine at any time whether and to what extent
the vesting of Options shall be tolled during any leave of absence; provided, however, that in the absence of such determination,
vesting of Options shall continue during any paid leave and shall be tolled during any unpaid leave (unless otherwise required
by Applicable Laws). Notwithstanding the foregoing, in the event of military leave, vesting shall toll during any unpaid portion
of such leave, provided that, upon an Optionee’s returning from military leave (under conditions that would entitle him
or her to protection upon such return under the Uniformed Services Employment and Reemployment Rights Act of 1994, as amended),
he or she shall be given vesting credit with respect to Options to the same extent as would have applied had the Optionee continued
to provide services to the Company (or any Parent, Subsidiary or Affiliate, if applicable) throughout the leave on the same terms
as he or she was providing services immediately prior to such leave.

 

(3)
Minimum Exercise Requirements. An Option may not be exercised for a fraction of a Share. The Administrator may require
that an Option be exercised as to a minimum number of Shares, provided that such requirement shall not prevent an Optionee from
exercising the full number of Shares as to which the Option is then exercisable.

 

(4)
Procedures for and Results of Exercise. An Option shall be deemed exercised when written notice of such exercise
has been received by the Company in accordance with the terms of the Option Agreement by the person entitled to exercise the Option
and the Company has received full payment for the Shares with respect to which the Option is exercised and has paid, or made arrangements
to satisfy, any applicable taxes, withholding, required deductions or other required payments in accordance with Section 9
below. The exercise of an Option shall result in a decrease in the number of Shares that thereafter may be available, both for
purposes of the Plan and for sale under the Option, by the number of Shares as to which the Option is exercised.

 

(5)
Rights as Holder of Capital Stock. Until the issuance of the Shares (as evidenced by the appropriate entry on the
books of the Company or of a duly authorized transfer agent of the Company), no right to vote or receive dividends or any other
rights as a holder of capital stock shall exist with respect to the Optioned Stock, notwithstanding the exercise of the Option.
No adjustment will be made for a dividend or other right for which the record date is prior to the date the stock is issued, except
as provided in Section 10 below.

 

(ii)
Termination of Continuous Service Status. The Administrator shall establish and set forth in the applicable Option
Agreement the terms and conditions upon which an Option shall remain exercisable, if at all, following termination of an Optionee’s
Continuous Service Status, which provisions may be waived or modified by the Administrator at any time. To the extent that an
Option Agreement does not specify the terms and conditions upon which an Option shall terminate upon termination of an Optionee’s
Continuous Service Status, the following provisions shall apply:

 

(1)
General Provisions. If the Optionee (or other person entitled to exercise the Option) does not exercise the Option
to the extent so entitled within the time specified below, the Option shall terminate and the Optioned Stock underlying the unexercised
portion of the Option shall revert to the Plan. In no event may any Option be exercised after the expiration of the Option term
as set forth in the Option Agreement (and subject to this Section 7).

 

    -10-

     

    

 

(2)
Termination other than Upon Disability or Death or for Cause. In the event of termination of an Optionee’s
Continuous Service Status other than under the circumstances set forth in the subsections (3) through (5) below, such Optionee
may exercise any outstanding Option at any time within 3 months following such termination to the extent the Optionee is vested
in the Optioned Stock.

 

(3)
Disability of Optionee. In the event of termination of an Optionee’s Continuous Service Status as a result
of his or her Disability, such Optionee may exercise any outstanding Option at any time within 12 months following such termination
to the extent the Optionee is vested in the Optioned Stock.

 

(4)
Death of Optionee. In the event of the death of an Optionee during the period of Continuous Service Status since
the date of grant of any outstanding Option, or within 3 months following termination of the Optionee’s Continuous Service
Status, the Option may be exercised by any beneficiaries designated in accordance with Section 16 below, or if there are
no such beneficiaries, by the Optionee’s estate, or by a person who acquired the right to exercise the Option by bequest
or inheritance, at any time within 12 months following the date the Optionee’s Continuous Service Status terminated, but
only to the extent the Optionee is vested in the Optioned Stock.

 

(5)
Termination for Cause. In the event of termination of an Optionee’s Continuous Service Status for Cause, any
outstanding Option (including any vested portion thereof) held by such Optionee shall immediately terminate in its entirety upon
first notification to the Optionee of termination of the Optionee’s Continuous Service Status for Cause. If an Optionee’s
Continuous Service Status is suspended pending an investigation of whether the Optionee’s Continuous Service Status will
be terminated for Cause, all the Optionee’s rights under any Option, including the right to exercise the Option, shall be
suspended during the investigation period. Nothing in this Section 7(c)(ii)(5) shall in any way limit the Company’s
right to purchase unvested Shares issued upon exercise of an Option as set forth in the applicable Option Agreement.

 

(iii)
Buyout Provisions. The Administrator may at any time offer to buy out for a payment in cash or Shares an Option
previously granted under the Plan based on such terms and conditions as the Administrator shall establish and communicate to the
Optionee at the time that such offer is made.

 

    -11-

     

    

 

8.
Restricted Stock.

 

(a)
Rights to Purchase. When a right to purchase or receive Restricted Stock is granted under the Plan, the Company
shall advise the recipient in writing of the terms, conditions and restrictions related to the offer, including the number of
Shares that such person shall be entitled to purchase, the price to be paid, if any (which shall be as determined by the Administrator,
subject to Applicable Laws, including any applicable securities laws), and the time within which such person must accept such
offer. The permissible consideration for Restricted Stock shall be determined by the Administrator and shall be the same as is
set forth in Section 7(b)(ii) above with respect to exercise of Options. The offer to purchase Shares shall be accepted by
execution of a Restricted Stock Purchase Agreement in the form determined by the Administrator.

 

(b)
Repurchase Option.

 

(i)
General. Unless the Administrator determines otherwise, the Restricted Stock Purchase Agreement shall grant the
Company a repurchase option exercisable upon the voluntary or involuntary termination of the Participant’s Continuous Service
Status for any reason (including death or Disability) at a purchase price for Shares equal to the original purchase price paid
by the purchaser to the Company for such Shares and may be paid by cancellation of any indebtedness of the purchaser to the Company.
The repurchase option shall lapse at such rate as the Administrator may determine.

 

(ii)
Leave of Absence. The Administrator shall have the discretion to determine at any time whether and to what extent
the lapsing of Company repurchase rights shall be tolled during any leave of absence; provided, however, that in the absence of
such determination, such lapsing shall continue during any paid leave and shall be tolled during any unpaid leave (unless otherwise
required by Applicable Laws). Notwithstanding the foregoing, in the event of military leave, the lapsing of Company repurchase
rights shall toll during any unpaid portion of such leave, provided that, upon a Participant’s returning from military leave
(under conditions that would entitle him or her to protection upon such return under the Uniformed Services Employment and Reemployment
Rights Act of 1994, as amended), he or she shall be given vesting credit with respect to Shares purchased pursuant to the Restricted
Stock Purchase Agreement to the same extent as would have applied had the Participant continued to provide services to the Company
(or any Parent, Subsidiary or Affiliate, if applicable) throughout the leave on the same terms as he or she was providing services
immediately prior to such leave.

 

(c)
Other Provisions. The Restricted Stock Purchase Agreement shall contain such other terms, provisions and conditions
not inconsistent with the Plan as may be determined by the Administrator in its sole discretion. In addition, the provisions of
Restricted Stock Purchase Agreements need not be the same with respect to each Participant.

 

(d)
Rights as a Holder of Capital Stock. Once the Restricted Stock is purchased, the Participant shall have the rights
equivalent to those of a holder of capital stock, and shall be a record holder when his or her purchase and the issuance of the
Shares is entered upon the records of the duly authorized transfer agent of the Company. No adjustment will be made for a dividend
or other right for which the record date is prior to the date the Restricted Stock is purchased, except as provided in Section 10
below.

 

    -12-

     

    

 

9.
Taxes.

 

(a)
As a condition of the grant, vesting and exercise of an Award, the Participant (or in the case of the Participant’s death
or a permitted transferee, the person holding or exercising the Award) shall make such arrangements as the Administrator may require
for the satisfaction of any applicable U.S. federal, state, local or foreign tax, withholding, and any other required deductions
or payments that may arise in connection with such Award. The Company shall not be required to issue any Shares under the Plan
until such obligations are satisfied.

 

(b)
The Administrator may, to the extent permitted under Applicable Laws, permit a Participant (or in the case of the Participant’s
death or a permitted transferee, the person holding or exercising the Award) to satisfy all or part of his or her tax, withholding,
or any other required deductions or payments by Cashless Exercise or by surrendering Shares (either directly or by stock attestation)
that he or she previously acquired; provided that, unless specifically permitted by the Company, any such Cashless Exercise must
be an approved broker-assisted Cashless Exercise or the Shares withheld in the Cashless Exercise must be limited to avoid financial
accounting charges under applicable accounting guidance and any such surrendered Shares must have been previously held for any
minimum duration required to avoid financial accounting charges under applicable accounting guidance. Any payment of taxes by
surrendering Shares to the Company may be subject to restrictions, including, but not limited to, any restrictions required by
rules of the Securities and Exchange Commission.

 

10.
Adjustments Upon Changes in Capitalization, Merger or Certain Other Transactions.

 

(a)
Changes in Capitalization. Subject to any action required under Applicable Laws by the holders of capital stock
of the Company, (i) the numbers and class of Shares or other stock or securities: (x) available for future Awards under Section 3
above and (y) covered by each outstanding Award, (ii) the exercise price per Share of each such outstanding Option, and (iii)
any repurchase price per Share applicable to Shares issued pursuant to any Award, shall be automatically proportionately adjusted
in the event of a stock split, reverse stock split, stock dividend, combination, consolidation, reclassification of the Shares
or subdivision of the Shares. In the event of any increase or decrease in the number of issued Shares effected without receipt
of consideration by the Company, a declaration of an extraordinary dividend with respect to the Shares payable in a form other
than Shares in an amount that has a material effect on the Fair Market Value, a recapitalization (including a recapitalization
through a large nonrecurring cash dividend), a rights offering, a reorganization, merger, a spin-off, split-up, change in corporate
structure or a similar occurrence, the Administrator shall make appropriate adjustments, in its discretion, in one or more of
(i) the numbers and class of Shares or other stock or securities: (x) available for future Awards under Section 3 above and
(y) covered by each outstanding Award, (ii) the exercise price per Share of each outstanding Option and (iii) any repurchase price
per Share applicable to Shares issued pursuant to any Award, and any such adjustment by the Administrator shall be made in the
Administrator’s sole and absolute discretion and shall be final, binding and conclusive. Except as expressly provided herein,
no issuance by the Company of shares of stock of any class, or securities convertible into shares of stock of any class, shall
affect, and no adjustment by reason thereof shall be made with respect to, the number or price of Shares subject to an Award.
If, by reason of a transaction described in this Section 10(a) or an adjustment pursuant to this Section 10(a), a Participant’s
Award agreement or agreement related to any Optioned Stock or Restricted Stock covers additional or different shares of stock
or securities, then such additional or different shares, and the Award agreement or agreement related to the Optioned Stock or
Restricted Stock in respect thereof, shall be subject to all of the terms, conditions and restrictions which were applicable to
the Award, Optioned Stock and Restricted Stock prior to such adjustment.

 

    -13-

     

    

 

(b)
Dissolution or Liquidation. In the event of the dissolution or liquidation of the Company, each Award will terminate
immediately prior to the consummation of such action, unless otherwise determined by the Administrator.

 

(c)
Corporate Transactions. In the event of (i) a transfer of all or substantially all of the Company’s assets,
(ii) a merger, consolidation or other capital reorganization or business combination transaction of the Company with or into another
corporation, entity or person, or (iii) the consummation of a transaction, or series of related transactions, in which any “person”
(as such term is used in Sections 13(d) and 14(d) of the Exchange Act) becomes the “beneficial owner” (as defined
in Rule 13d-3 of the Exchange Act), directly or indirectly, of more than 50% of the Company’s then outstanding capital stock
(a “Corporate Transaction”), each outstanding Award (vested or unvested) will be treated as the Administrator
determines, which determination may be made without the consent of any Participant and need not treat all outstanding Awards (or
portion thereof) in an identical manner. Such determination, without the consent of any Participant, may provide (without limitation)
for one or more of the following in the event of a Corporate Transaction: (A) the continuation of such outstanding Awards by the
Company (if the Company is the surviving corporation); (B) the assumption of such outstanding Awards by the surviving corporation
or its parent; (C) the substitution by the surviving corporation or its parent of new options or equity awards for such Awards;
(D) the cancellation of such Awards in exchange for a payment to the Participants equal to the excess of (1) the Fair Market Value
of the Shares subject to such Awards as of the closing date of such Corporate Transaction over (2) the exercise price or purchase
price paid or to be paid for the Shares subject to the Awards; or (E) the cancellation of any outstanding Options or an outstanding
right to purchase Restricted Stock, in either case, for no consideration. Notwithstanding anything under this Plan, any Award
agreement or otherwise, any escrow, holdback, earn-out or similar provisions agreed to pursuant to, or in connection with, a Corporate
Transaction shall, unless otherwise determined by the Board, apply to any payment or other right a Participant may be entitled
to under this Plan, if any, to the same extent and in the same manner as such provisions apply generally to the holders of the
Company’s Class A Common Stock with respect to the Corporate Transaction, but only to the extent permitted by Applicable
Law, including (without limitation), Section 409A of the Code.

 

    -14-

     

    

 

11.
Non-Transferability of Awards.

 

(a)
General. Except as set forth in this Section 11, Awards (or any rights of such Awards) may not be sold, pledged,
encumbered, assigned, hypothecated, or disposed of or otherwise transferred in any manner other than by will or by the laws of
descent or distribution. The designation of a beneficiary by a Participant will not constitute a transfer. An Option may be exercised,
during the lifetime of the holder of the Option, only by such holder or a transferee permitted by this Section 11.

 

(b)
Limited Transferability Rights. Notwithstanding anything else in this Section 11, the Administrator may in
its sole discretion provide that any Nonstatutory Stock Options may be transferred by instrument to an inter vivos or testamentary
trust in which the Options are to be passed to beneficiaries upon the death of the trustor (settlor) or by gift to Family Members.
Further, beginning with (i) the period when the Company begins to rely on the exemption described in Rule 12h-1(f)(1) promulgated
under the Exchange Act, as determined by the Board in its sole discretion, and (ii) ending on the earlier of (A) the date when
the Company ceases to rely on such exemption, as determined by the Board in its sole discretion, or (B) the date when the Company
becomes subject to the reporting requirements of Section 13 or 15(d) of the Exchange Act, an Option, or prior to exercise,
the Shares subject to the Option, may not be pledged, hypothecated or otherwise transferred or disposed of, in any manner, including
by entering into any short position, any “put equivalent position” or any “call equivalent position” (as
defined in Rule 16a-1(h) and Rule 16a-1(b) of the Exchange Act, respectively), other than to (i) persons who are Family
Members through gifts or domestic relations orders, or (ii) to an executor or guardian of the Participant upon the death or disability
of the Participant. Notwithstanding the foregoing sentence, the Board, in its sole discretion, may permit transfers of Nonstatutory
Stock Options to the Company or in connection with a Change of Control or other acquisition transactions involving the Company
to the extent permitted by Rule 12h-1(f).

 

12.
Non-Transferability of Stock Underlying Awards.

 

(a)
General. Notwithstanding anything to the contrary, no Participant or other stockholder shall Transfer (as such term
is defined below) any Shares (or any rights of or interests in such Shares) acquired pursuant to any Award (including, without
limitation, Shares acquired upon exercise of an Option) to any person or entity unless such Transfer is approved by the Company
prior to such Transfer, which approval may be granted or withheld in the Company’s sole and absolute discretion. “Transfer”
shall mean, with respect to any security, the direct or indirect assignment, sale, transfer, tender, pledge, hypothecation, or
the grant, creation or suffrage of a lien or encumbrance in or upon, or the gift, placement in trust, or the Constructive Sale
(as such term is defined below) or other disposition of such security (including transfer by testamentary or intestate succession,
merger or otherwise by operation of law) or any right, title or interest therein (including, but not limited to, any right or
power to vote to which the holder thereof may be entitled, whether such right or power is granted by proxy or otherwise), or the
record or beneficial ownership thereof, the offer to make such a sale, transfer, Constructive Sale or other disposition, and each
agreement, arrangement or understanding, whether or not in writing, to effect any of the foregoing. “Constructive Sale”
shall mean, with respect to any security, a short sale with respect to such security, entering into or acquiring an offsetting
derivative contract with respect to such security, entering into or acquiring a futures or forward contract to deliver such security,
or entering into any other hedging or other derivative transaction that has the effect of materially changing the economic benefits
and risks of ownership. Any purported Transfer effected in violation of this Section 12 shall be null and void and shall
have no force or effect and the Company shall not be required (i) to transfer on its books any Shares that have been sold
or otherwise transferred in violation of any of the provisions of the Plan or (ii) to treat as owner of such Shares or to
accord the right to vote or pay dividends to any purchaser or other transferee to whom such Shares shall have been so transferred.

 

    -15-

     

    

 

(b)
Approval Process. Any Participant or stockholder seeking the approval of the Company to Transfer some or all of
its Shares shall give written notice thereof to the Secretary of the Company that shall include: (1) the name of the stockholder;
(2) the proposed transferee; (3) the number of shares of the Transfer of which approval is thereby requested; and (4) the purchase
price, if any, of the shares proposed for Transfer. The Company may require the Participant to supplement its notice with such
additional information as the Company may request or as may otherwise be required by the applicable Option Agreement, Restricted
Stock Purchase Agreement or other applicable written agreement. In addition such request for Transfer shall be subject to such
right of first refusal, transfer provisions and any other terms and conditions as may be set forth in the applicable Option Agreement,
Restricted Stock Purchase Agreement or other applicable written agreement.

 

13.
Time of Granting Awards. The date of grant of an Award shall, for all purposes, be the date on which the Administrator
makes the determination granting such Award, or such other date as is determined by the Administrator.

 

14.
Amendment and Termination of the Plan. The Board may at any time amend or terminate the Plan, but no amendment or
termination shall be made that would materially and adversely affect the rights of any Participant under any outstanding Award,
without his or her consent. In addition, to the extent necessary and desirable to comply with Applicable Laws, the Company shall
obtain the approval of holders of capital stock with respect to any Plan amendment in such a manner and to such a degree as required.

 

15.
Conditions Upon Issuance of Shares. Notwithstanding any other provision of the Plan or any agreement entered into
by the Company pursuant to the Plan, the Company shall not be obligated, and shall have no liability for failure, to issue or
deliver any Shares under the Plan unless such issuance or delivery would comply with Applicable Laws, with such compliance determined
by the Company in consultation with its legal counsel. As a condition to the exercise of any Option or purchase of any Restricted
Stock, the Company may require the person exercising the Option or purchasing the Restricted Stock to represent and warrant at
the time of any such exercise or purchase that the Shares are being purchased only for investment and without any present intention
to sell or distribute such Shares if, in the opinion of counsel for the Company, such a representation is advisable or required
by Applicable Laws. Shares issued upon exercise of Options or purchase of Restricted Stock prior to the date, if ever, on which
the Class A Common Stock becomes a Listed Security shall be subject to a right of first refusal in favor of the Company pursuant
to which the Participant will be required to offer Shares to the Company before selling or transferring them to any third party
on such terms and subject to such conditions as is reflected in the applicable Option Agreement or Restricted Stock Purchase Agreement.

 

    -16-

     

    

 

16.
Beneficiaries. If permitted by the Company, a Participant may designate one or more beneficiaries with respect to
an Award by timely filing the prescribed form with the Company. A beneficiary designation may be changed by filing the prescribed
form with the Company at any time before the Participant’s death. Except as otherwise provided in an Award agreement, if
no beneficiary was designated or if no designated beneficiary survives the Participant, then after a Participant’s death
any vested Award(s) shall be transferred or distributed to the Participant’s estate or to any person who has the right to
acquire the Award by bequest or inheritance.

 

17.
Approval of Holders of Capital Stock. If required by Applicable Laws, continuance of the Plan shall be subject to
approval by the holders of capital stock of the Company within 12 months before or after the date the Plan is adopted or, to the
extent required by Applicable Laws, any date the Plan is amended. Such approval shall be obtained in the manner and to the degree
required under Applicable Laws.

 

18.
Addenda. The Administrator may approve such addenda to the Plan as it may consider necessary or appropriate for
the purpose of granting Awards to Employees or Consultants, which Awards may contain such terms and conditions as the Administrator
deems necessary or appropriate to accommodate differences in local law, tax policy or custom, which may deviate from the terms
and conditions set forth in this Plan. The terms of any such addenda shall supersede the terms of the Plan to the extent necessary
to accommodate such differences but shall not otherwise affect the terms of the Plan as in effect for any other purpose.

 

19.
Information to Holders of Options. In the event the Company is relying on the exemption provided by Rule 12h-1(f)
under the Exchange Act, the Company shall provide the information described in Rule 701(e)(3), (4) and (5) of the Securities Act
of 1933, as amended, to all holders of Options in accordance with the requirements thereunder until such time as the Company becomes
subject to the reporting requirements of Section 13 or 15(d) of the Exchange Act. The Company may request that holders of Options
agree to keep the information to be provided pursuant to this Section confidential. If the holder does not agree to keep the information
to be provided pursuant to this Section confidential, then the Company will not be required to provide the information unless
otherwise required pursuant to Rule 12h-1(f)(1) of the Exchange Act.

 

    -17-

     

    

 

ADDENDUM
A

 

Amended
and Restated 2018 Stock Plan

 

(California
Participants)

 

Prior
to the date, if ever, on which the Class A Common Stock becomes a Listed Security and/or the Company is subject to the reporting
requirements of the Exchange Act, the terms set forth herein shall apply to Awards issued to California Participants. All capitalized
terms used herein but not otherwise defined shall have the respective meanings set forth in the Plan.

 

1.
The following rules shall apply to any Option in the event of termination of the Participant’s Continuous Service Status:

 

(a)
If such termination was for reasons other than death, “Permanent Disability” (as defined below), or Cause, the Participant
shall have at least 30 days after the date of such termination to exercise his or her Option to the extent the Participant is
entitled to exercise on his or her termination date, provided that in no event shall the Option be exercisable after the expiration
of the term as set forth in the Option Agreement.

 

(b)
If such termination was due to death or Permanent Disability, the Participant shall have at least 6 months after the date of such
termination to exercise his or her Option to the extent the Participant is entitled to exercise on his or her termination date,
provided that in no event shall the Option be exercisable after the expiration of the term as set forth in the Option Agreement.

 

“Permanent
Disability” for purposes of this Addendum shall mean the inability of the Participant, in the opinion of a qualified
physician acceptable to the Company, to perform the major duties of the Participant’s position with the Company or any Parent
or Subsidiary because of the sickness or injury of the Participant.

 

2.
Notwithstanding anything to the contrary in Section 10(a) of the Plan, the Administrator shall in any event make such adjustments
as may be required by Section 25102(o) of the California Corporations Code.

 

3.
Notwithstanding anything stated herein to the contrary, no Option shall be exercisable on or after the 10th anniversary of the
date of grant and any Award agreement shall terminate on or before the 10th anniversary of the date of grant.

 

4.
The Company shall furnish summary financial information (audited or unaudited) of the Company’s financial condition and
results of operations, consistent with the requirements of Applicable Laws, at least annually to each California Participant during
the period such Participant has one or more Awards outstanding, and in the case of an individual who acquired Shares pursuant
to the Plan, during the period such Participant owns such Shares; provided, however, the Company shall not be required to provide
such information if (i) the issuance is limited to key persons whose duties in connection with the Company assure their access
to equivalent information or (ii) the Plan or any agreement complies with all conditions of Rule 701 of the Securities Act of
1933, as amended; provided that for purposes of determining such compliance, any registered domestic partner shall be considered
a “family member” as that term is defined in Rule 701.

 

    -1-

     

    

 

Momentus
Inc.

 

Amended
and Restated 2018 Stock Plan

 

NOTICE
OF STOCK OPTION GRANT

 

[Optionee
Name]

[Optionee
Address Line 1]

[Optionee
Address Line 2]

 

You
have been granted an option to purchase Class A Common Stock of Momentus Inc., a Delaware corporation (the “Company”),
as follows:

 

	

        Date
        of Grant:
	__________
	Exercise
    Price Per Share:	USD$__________
	Total
    Number of Shares:	__________
	Total
    Exercise Price:	USD$__________
	Type
    of Option:	__________
                                         Shares Incentive Stock Option

        __________
        Shares Nonstatutory Stock Option

	Expiration
    Date:	__________
	Vesting
    Commencement Date:	__________
	Vesting/Exercise
    Schedule:	So
    long as your Continuous Service Status does not terminate (and provided that no vesting shall occur following the Termination
    Date (as defined in Section 5 of the Stock Option Agreement) unless otherwise determined by the Company in its sole discretion),
    the Shares underlying this Option shall vest and become exercisable in accordance with the following schedule:  __________
    of the Total Number of Shares shall vest and become exercisable on the __–month anniversary of the Vesting Commencement
    Date and __________ of the Total Number of Shares shall vest and become exercisable on the __________ day of each month thereafter
    [(and if there is no corresponding day, the last day of the month)].
	Termination
    Period:	You
    may exercise this Option for 3 month(s) after the Termination Date except as set out in Section 5 of the Stock Option
    Agreement (but in no event later than the Expiration Date).  You are responsible for keeping track of these exercise
    periods following the Termination Date.  The Company will not provide further notice of such periods.
	Transferability:	You
    may not transfer this Option except as set forth in Section 6 of the Stock Option Agreement (subject to compliance with
    Applicable Laws).  You must obtain Company approval prior to any transfer of the Shares received upon exercise of
    this Option.

 

[Signature
Page Follows]

 

    -1-

     

    

 

By
your signature and the signature of the Company’s representative or by otherwise accepting or exercising this Option, you
and the Company agree that this Option is granted under and governed by the terms and conditions of this Notice and the Momentus
Inc. Amended and Restated 2018 Stock Plan and Stock Option Agreement (which includes the Country-Specific Addendum, as applicable),
both of which are attached to and made a part of this Notice.

 

In
addition, you agree and acknowledge that your rights to any Shares underlying this Option will vest only as you provide services
to the Company over time, that the grant of this Option is not as consideration for services you rendered to the Company prior
to your date of hire, and that nothing in this Notice or the attached documents confers upon you any right to continue your employment
or consulting relationship with the Company for any period of time, nor does it interfere in any way with your right or the Company’s
right to terminate that relationship at any time, for any reason, with or without cause, subject to Applicable Laws. Also, to
the extent applicable, the Exercise Price Per Share has been set in good faith compliance with the applicable guidance issued
by the IRS under Section 409A of the Code. However, there is no guarantee that the IRS will agree with the valuation, and
by signing below, you agree and acknowledge that the Company, its Board, officers, employees, agents and stockholders shall not
be held liable for any applicable costs, taxes, or penalties associated with this Option if, in fact, the IRS or any other person
(including, without limitation, a successor corporation or an acquirer in a Change of Control) were to determine that this Option
constitutes deferred compensation under Section 409A of the Code. You should consult with your own tax advisor concerning
the tax consequences of such a determination by the IRS. For purposes of this paragraph, the term “Company” will be
interpreted to include any Parent, Subsidiary or Affiliate.

 

	 	the company:
	 	 
	 	Momentus Inc.
	 	 
	 	By:	 
	 	 	Mikhail Kokorich
	 	 	President, Chief Executive Officer,

 Treasurer, and Chief Financial Officer
	 	 
	 	OPTIONEE:
	 	 
	 	 
	 	(Print Name) 
	 	 
	 	 
	 	(Signature)

 

	 	Address:
	 	 	 
	 	 	 
	 	 	 

 

    -2-

     

    

 

Momentus
Inc.

 

Amended
and Restated 2018 Stock Plan

 

STOCK
OPTION AGREEMENT

 

1.
Grant of Option. Momentus Inc.,
a Delaware corporation (the “Company”), hereby grants to the person (“Optionee”) named in
the Notice of Stock Option Grant (the “Notice”), an option (the “Option”) to purchase the
total number of shares of Class A Common Stock (the “Shares”) set forth in the Notice, at the exercise price
per Share set forth in the Notice (the “Exercise Price”) subject to the terms, definitions and provisions of
the Momentus Inc. Amended and Restated 2018 Stock Plan (the “Plan”) adopted by the Company, which is incorporated
in this Stock Option Agreement (this “Agreement”) by reference. Unless otherwise defined in this Agreement,
the terms used in this Agreement or the Notice shall have the meanings defined in the Plan.

 

2.
Designation of Option. This Option
is intended to be an Incentive Stock Option as defined in Section 422 of the Code only to the extent so designated in the
Notice, and to the extent it is not so designated or to the extent this Option does not qualify as an Incentive Stock Option,
it is intended to be a Nonstatutory Stock Option.

 

Notwithstanding
the above, if designated as an Incentive Stock Option, in the event that the Shares subject to this Option (and all other incentive
stock options granted to Optionee by the Company or any Parent or Subsidiary, including under other plans) that first become exercisable
in any calendar year have an aggregate fair market value (determined for each Share as of the date of grant of the option covering
such Share) in excess of USD$100,000, the Shares in excess of USD$100,000 shall be treated as subject to a nonstatutory stock
option, in accordance with Section 5(c) of the Plan.

 

3.
Exercise of Option. This Option
shall be exercisable during its term in accordance with the Vesting/Exercise Schedule set out in the Notice, with the provisions
of Section 7(c) of the Plan, and as follows:

 

(a)
Right to Exercise.

 

(i)
This Option may not be exercised for a fraction of a share.

 

(ii)
In the event of Optionee’s death, Disability or other termination of Continuous Service Status, the exercisability of this
Option is governed by Section 5 below, subject to the limitations contained in this Section 3.

 

(iii)
In no event may this Option be exercised after the Expiration Date set forth in the Notice.

 

    -1-

     

    

 

(b)
Method of Exercise.

 

(i)
This Option shall be exercisable by execution and delivery of the Exercise Agreement attached hereto as Exhibit A
or of any other form of written notice approved for such purpose by the Company which shall state Optionee’s election to
exercise this Option, the number of Shares in respect of which this Option is being exercised, and such other representations
and agreements as to the holder’s investment intent with respect to such Shares as may be required by the Company pursuant
to the provisions of the Plan. Such written notice shall be signed by Optionee and shall be delivered to the Company by such means
as are determined by the Company in its discretion to constitute adequate delivery. The written notice shall be accompanied by
payment of the aggregate Exercise Price for the purchased Shares.

 

(ii)
As a condition to the grant, vesting and exercise of this Option and as further set forth in Section 9 of the Plan, Optionee
hereby agrees to make adequate provision for the satisfaction of (and will indemnify the Company and any Subsidiary or Affiliate
for) any applicable taxes or tax withholdings, social contributions, required deductions, or other payments, if any (“Tax-Related
Items”), which arise upon the grant, vesting or exercise of this Option, ownership or disposition of Shares, receipt
of dividends, if any, or otherwise in connection with this Option or the Shares, whether by withholding, direct payment to the
Company, or otherwise as determined by the Company in its sole discretion. Regardless of any action the Company or any Subsidiary
or Affiliate takes with respect to any or all applicable Tax-Related Items, Optionee acknowledges and agrees that the ultimate
liability for all Tax-Related Items is and remains Optionee’s responsibility and may exceed any amount actually withheld
by the Company or any Subsidiary or Affiliate. Optionee further acknowledges and agrees that Optionee is solely responsible for
filing all relevant documentation that may be required in relation to this Option or any Tax-Related Items (other than filings
or documentation that is the specific obligation of the Company or any Subsidiary or Affiliate pursuant to Applicable Laws), such
as but not limited to personal income tax returns or reporting statements in relation to the grant, vesting or exercise of this
Option, the holding of Shares or any bank or brokerage account, the subsequent sale of Shares, and the receipt of any dividends.
Optionee further acknowledges that the Company makes no representations or undertakings regarding the treatment of any Tax-Related
Items and does not commit to and is under no obligation to structure the terms or any aspect of the Option to reduce or eliminate
Optionee’s liability for Tax-Related Items or achieve any particular tax result. Optionee also understands that Applicable
Laws may require varying Share or option valuation methods for purposes of calculating Tax-Related Items, and the Company assumes
no responsibility or liability in relation to any such valuation or for any calculation or reporting of income or Tax-Related
Items that may be required of Optionee under Applicable Laws. Further, if Optionee has become subject to Tax-Related Items in
more than one jurisdiction, Optionee acknowledges that the Company or any Subsidiary or Affiliate may be required to withhold
or account for Tax-Related Items in more than one jurisdiction.

 

    -2-

     

    

 

(iii)
The Company is not obligated, and will have no liability for failure, to issue or deliver any Shares upon exercise of this Option
unless such issuance or delivery would comply with the Applicable Laws, with such compliance determined by the Company in consultation
with its legal counsel. Furthermore, Optionee understands that the Applicable Laws of the country in which Optionee is residing
or working at the time of grant, vesting, and/or exercise of this Option (including any rules or regulations governing securities,
foreign exchange, tax, labor or other matters) may restrict or prevent exercise of this Option. This Option may not be exercised
until such time as the Plan has been approved by the holders of capital stock of the Company, or if the issuance of such Shares
upon such exercise or the method of payment of consideration for such Shares would constitute a violation of any Applicable Laws,
including any applicable U.S. federal or state securities laws or any other law or regulation, including any rule under Part 221
of Title 12 of the Code of Federal Regulations as promulgated by the Federal Reserve Board. As a condition to the exercise
of this Option, the Company may require Optionee to make any representation and warranty to the Company as may be required by
the Applicable Laws. Assuming such compliance, for income tax purposes the Shares shall be considered transferred to Optionee
on the date on which this Option is exercised with respect to such Shares, subject to Applicable Laws.

 

(iv)
Subject to compliance with Applicable Laws, this Option shall be deemed to be exercised upon receipt by the Company of the appropriate
written notice of exercise accompanied by the Exercise Price and the satisfaction of any applicable obligations described in Section 3(b)(ii)
above.

 

4.
Method of Payment. Unless otherwise
specified by the Company in its sole discretion to comply with Applicable Laws or facilitate the administration of the Plan, payment
of the Exercise Price shall be by cash or check or, following the initial public offering of the Company’s Common Stock,
by Cashless Exercise pursuant to which the Optionee delivers an irrevocable direction to a securities broker (on a form prescribed
by the Company and according to a procedure established by the Company).

 

Optionee
understands and agrees that, if required by the Company or Applicable Laws, any cross-border cash remittance made to exercise
this Option or transfer proceeds received upon the sale of Shares must be made through a locally authorized financial institution
or registered foreign exchange agency and may require Optionee to provide to such entity certain information regarding the transaction.
Moreover, Optionee understands and agrees that the future value of the underlying Shares is unknown and cannot be predicted with
certainty and may decrease in value, even below the Exercise Price. Optionee understands that neither the Company nor any Subsidiary
or Affiliate is responsible for any foreign exchange fluctuation between local currency and the United States Dollar or the selection
by the Company or any Subsidiary or Affiliate in its sole discretion of an applicable foreign currency exchange rate that may
affect the value of the Option (or the calculation of income or Tax-Related Items thereunder).

 

    -3-

     

    

 

5.
Termination of Relationship. Following
the date of termination of Optionee’s Continuous Service Status for any reason (the “Termination Date”),
Optionee may exercise this Option only as set forth in the Notice and this Section 5. If Optionee does not exercise this
Option within the Termination Period set forth in the Notice or the termination periods set forth below, this Option shall terminate
in its entirety. In no event may any Option be exercised after the Expiration Date of this Option as set forth in the Notice.
For the avoidance of doubt and for purposes of this Option only, termination of Continuous Service Status and the Termination
Date will be deemed to occur as of the date Optionee is no longer actively providing services as an Employee or Consultant (except,
in certain circumstances, to the extent Optionee is on a Company-approved leave of absence and subject to any Company policy or
Applicable Laws regarding such leaves) and will not be extended by any notice period or “garden leave” that may be
required contractually or under Applicable Laws, unless otherwise determined by the Company in its sole discretion.

 

(a)
General Termination. In the event of termination of Optionee’s Continuous Service Status other than as a result
of Optionee’s Disability or death or Optionee’s termination for Cause, Optionee may, to the extent Optionee is vested
in the Optioned Stock, exercise this Option during the Termination Period set forth in the Notice.

 

(b)
Termination upon Disability of Optionee.  In the event of termination of Optionee’s Continuous Service Status
as a result of Optionee’s Disability, Optionee may, but only within 12 month(s) following the Termination Date, exercise
this Option to the extent Optionee is vested in the Optioned Stock.

 

(c)
Death of Optionee. In the event of termination of Optionee’s Continuous Service Status as a result of Optionee’s
death, or in the event of Optionee’s death within 3 month(s) following Optionee’s Termination Date, this Option may
be exercised at any time within 12 month(s) following the Termination Date, or if later, 12 month(s) following the date of death
by any beneficiaries designated in accordance with Section 16 of the Plan or, if there are no such beneficiaries, by the
Optionee’s estate, or by a person who acquired the right to exercise the Option by bequest or inheritance, but only to the
extent Optionee is vested in the Optioned Stock.

 

(d)
Termination for Cause. In the event of termination of Optionee’s Continuous Service Status for Cause, this
Option (including any vested portion thereof) shall immediately terminate in its entirety upon first notification to Optionee
of such termination for Cause. If Optionee’s Continuous Service Status is suspended pending an investigation of whether
Optionee’s Continuous Service Status will be terminated for Cause, all Optionee’s rights under this Option, including
the right to exercise this Option, shall be suspended during the investigation period.

 

6.
Non-Transferability of Option.
This Option may not be transferred in any manner otherwise than by will or by the laws of descent or distribution and may be exercised
during the lifetime of Optionee only by him or her. The terms of this Option shall be binding upon the executors, administrators,
heirs, successors and assigns of Optionee.

 

    -4-

     

    

 

7.
Lock-Up Agreement.  If so requested
by the Company or the underwriters in connection with the initial public offering of the Company’s securities registered
under the Securities Act of 1933, as amended, Optionee shall not sell, make any short sale of, loan, grant any option for the
purchase of, or otherwise dispose of any securities of the Company however or whenever acquired (except for those being registered)
without the prior written consent of the Company or such underwriters, as the case may be, for 180 days from the effective date
of the registration statement, and Optionee shall execute an agreement reflecting the foregoing as may be requested by the underwriters
at the time of such offering.

 

8.
Effect of Agreement. Optionee acknowledges
receipt of a copy of the Plan and represents that he or she is familiar with the terms and provisions thereof (and has had an
opportunity to consult counsel regarding the Option terms), and hereby accepts this Option and agrees to be bound by its contractual
terms as set forth herein and in the Plan. Optionee hereby agrees to accept as binding, conclusive and final all decisions and
interpretations of the Administrator regarding any questions relating to this Option. In the event of a conflict between the terms
and provisions of the Plan and the terms and provisions of the Notice and this Agreement, the Plan terms and provisions shall
prevail.

 

9.
Imposition of Other Requirements.
The Company reserves the right, without Optionee’s consent, to cancel or forfeit outstanding grants or impose other requirements
on Optionee’s participation in the Plan, on this Option and the Shares subject to this Option and on any other Award or
Shares acquired under the Plan, to the extent the Company determines it is necessary or advisable in order to comply with Applicable
Laws or facilitate the administration of the Plan. Optionee agrees to sign any additional agreements or undertakings that may
be necessary to accomplish the foregoing. Furthermore, Optionee acknowledges that the Applicable Laws of the country in which
Optionee is residing or working at the time of grant, holding, vesting, and exercise of the Option or the holding or sale of Shares
received pursuant to the Option (including any rules or regulations governing securities, foreign exchange, tax, labor, or other
matters) may subject Optionee to additional procedural or regulatory requirements that Optionee is and will be solely responsible
for and must fulfill. If applicable, such requirements may be outlined in but are not limited to the Country-Specific Addendum
(the “Addendum”) attached hereto, which forms part of this Agreement. Notwithstanding any provision herein,
Optionee’s participation in the Plan shall be subject to any applicable special terms and conditions or disclosures as set
forth in the Addendum. The Optionee also understands and agrees that if the Optionee works, resides, moves to, or otherwise is
or becomes subject to Applicable Laws or Company policies of another jurisdiction at any time, certain country-specific notices,
disclaimers and/or terms and conditions may apply to him as from the date of grant, unless otherwise determined by the Company
in its sole discretion.

 

10.
Electronic Delivery and Translation.
The Company may, in its sole discretion, decide to deliver any documents related to Optionee’s current or future participation
in the Plan, this Option, the Shares subject to this Option, any other Company Securities or any other Company-related documents,
by electronic means. By accepting this Option, whether electronically or otherwise, Optionee hereby (i) consents to receive such
documents by electronic means, (ii) consents to the use of electronic signatures, and (iii) if applicable, agrees to participate
in the Plan and/or receive any such documents through an on-line or electronic system established and maintained by the Company
or a third party designated by the Company, including but not limited to the use of electronic signatures or click-through electronic
acceptance of terms and conditions. To the extent Optionee has been provided with a copy of this Agreement, the Plan, or any other
documents relating to this Option in a language other than English, the English language documents will prevail in case of any
ambiguities or divergences as a result of translation.

 

    -5-

     

    

 

11.
No Acquired Rights or Employment Rights.
In accepting the Option, Optionee acknowledges that the Plan is established voluntarily by the Company, is discretionary in nature,
and may be modified, amended, suspended or terminated by the Company at any time. The grant of the Option is voluntary and occasional
and does not create any contractual or other right to receive future grants of Options, other Awards or benefits in lieu of Options,
even if Options have been granted repeatedly in the past, and all decisions with respect to future grants of Options or other
Awards, if any, will be at the sole discretion of the Company. In addition, Optionee’s participation in the Plan is voluntary,
and the Option and the Shares subject to the Option are extraordinary items that do not constitute regular compensation for services
rendered to the Company or any Subsidiary or Affiliate and are outside the scope of Optionee’s employment contract, if any.
The Option and the Shares subject to the Option are not intended to replace any pension rights or compensation and are not part
of normal or expected salary or compensation for any purpose, including but not limited to calculating severance payments, if
any, upon termination.

 

Nothing
contained in this Agreement is intended to constitute or create a contract of employment, nor shall it constitute or create the
right to remain associated with or in the employ of the Company or any Subsidiary or Affiliate for any particular period of time.
This Agreement shall not interfere in any way with the right of the Company or any Subsidiary or Affiliate to terminate Optionee’s
employment or service at any time, subject to Applicable Laws.

 

12.
Data Privacy. Optionee hereby
explicitly and unambiguously consents to the collection, use and transfer, whether in electronic or other form, of Optionee’s
Personal Data (as described below) by and among, as applicable, the Company and any Subsidiary or Affiliate or third parties as
may be selected by the Company for the exclusive purpose of implementing, administering, and managing Optionee’s participation
in the Plan. Optionee understands that refusal or withdrawal of consent will affect Optionee’s ability to participate in
the Plan; without providing consent, Optionee will not be able to participate in the Plan or realize benefits (if any) from the
Option.

 

Optionee
understands that the Company and any Subsidiary or Affiliate or designated third parties may hold personal information about Optionee,
including, but not limited to, Optionee’s name, home address and telephone number, date of birth, social insurance number
or other identification number, salary, nationality, job title, any shares of stock or directorships held in the Company or any
Subsidiary or Affiliate, details of all Options or any other entitlement to Shares awarded, canceled, exercised, vested, unvested
or outstanding in Optionee’s favor (“Personal Data”). Optionee understands that Personal Data may be
transferred to any Subsidiary or Affiliate or third parties assisting in the implementation, administration and management of
the Plan, that these recipients may be located in the United States, Optionee’s country, or elsewhere, and that the recipient’s
country may have different data privacy laws and protections than Optionee’s country. In particular, the Company may transfer
Personal Data to the broker or stock plan administrator assisting with the Plan, to its legal counsel and tax/accounting advisor,
and to the Subsidiary or Affiliate that is your employer and its payroll provider.

 

    -6-

     

    

 

13.
Miscellaneous.

 

(a)
Governing Law. The validity, interpretation, construction and performance of this Agreement, and all acts and transactions
pursuant hereto and the rights and obligations of the parties hereto shall be governed, construed and interpreted in accordance
with the laws of the state of California, without giving effect to principles of conflicts of law. For purposes of litigating
any dispute that may arise directly or indirectly from this Agreement, the parties hereby submit and consent to the exclusive
jurisdiction of the state of California and agree that any such litigation shall be conducted only in the courts of California
or the federal courts of the United States located in California and no other courts.

 

(b)
Entire Agreement. This Agreement, together with the Notice to which this Agreement is attached and the Plan, sets
forth the entire agreement and understanding of the parties relating to the subject matter herein and therein and supersedes all
prior or contemporaneous discussions, understandings and agreements, whether oral or written, between the parties related to the
subject matter hereof.

 

(c)
Amendments and Waivers. Except as contemplated under the Plan, no modification of or amendment to this Agreement,
nor any waiver of any rights under this Agreement, shall be effective unless in writing signed by the parties to this Agreement.
No delay or failure to require performance of any provision of this Agreement shall constitute a waiver of that provision as to
that or any other instance.

 

(d)
Successors and Assigns. Except as otherwise provided in this Agreement, this Agreement, and the rights and obligations
of the parties hereunder, will be binding upon and inure to the benefit of their respective successors, assigns, heirs, executors,
administrators and legal representatives. The Company may assign any of its rights and obligations under this Agreement. No other
party to this Agreement may assign, whether voluntarily or by operation of law, any of its rights and obligations under this Agreement,
except with the prior written consent of the Company.

 

(e)
Notices. Any notice, demand or request required or permitted to be given under this Agreement shall be in writing
and shall be deemed sufficient when delivered personally or by overnight courier or sent by email, or 48 hours after being deposited
in the U.S. mail as certified or registered mail with postage prepaid, addressed to the party to be notified at such party’s
address as set forth on the signature page, as subsequently modified by written notice, or if no address is specified on the signature
page, at the most recent address set forth in the Company’s books and records.

 

    -7-

     

    

 

(f)
Severability. If one or more provisions of this Agreement are held to be unenforceable under Applicable Laws, the
parties agree to renegotiate such provision in good faith. In the event that the parties cannot reach a mutually agreeable and
enforceable replacement for such provision, then (i) such provision shall be excluded from this Agreement, (ii) the
balance of the Agreement shall be interpreted as if such provision were so excluded and (iii) the balance of the Agreement
shall be enforceable in accordance with its terms.

 

(g)
Construction. This Agreement is the result of negotiations between and has been reviewed by each of the parties
hereto and their respective counsel, if any; accordingly, this Agreement shall be deemed to be the product of all of the parties
hereto, and no ambiguity shall be construed in favor of or against any one of the parties hereto.

 

(h)
Counterparts. This Agreement may be executed in any number of counterparts, each of which when so executed and delivered
shall be deemed an original, and all of which together shall constitute one and the same agreement. Execution of a facsimile or
scanned copy will have the same force and effect as execution of an original, and a facsimile or scanned signature will be deemed
an original and valid signature.

 

    -8-

     

    

 

Country-Specific
Addendum

 

This
Addendum includes additional country-specific notices, disclaimers, and/or terms and conditions that apply to individuals who
are working or residing in the countries listed below and that may be material to Optionee’s participation in the Plan.
Such notices, disclaimers, and/or terms and conditions may also apply, as from the date of grant, if the Optionee moves to or
otherwise is or becomes subject to the Applicable Laws or Company policies of the country listed. However, because foreign exchange
regulations and other local laws are subject to frequent change, Optionee is advised to seek advice from his or her own personal
legal and tax advisor prior to accepting or exercising an Option or holding or selling Shares acquired under the Plan. The Company
is not providing any tax, legal or financial advice, nor is the Company making any recommendations regarding Optionee’s
acceptance of the Option or participation in the Plan. Unless otherwise noted below, capitalized terms shall have the same meaning
assigned to them under the Plan, the Notice of Stock Option Grant and the Stock Option Agreement. This Addendum forms part of
the Stock Option Agreement and should be read in conjunction with the Stock Option Agreement and the Plan.

 

Securities
Law Notice: Unless otherwise noted, neither the Company nor the Shares are registered with any local stock exchange or under
the control of any local securities regulator outside the United States. The Stock Option Agreement (of which this Addendum is
a part), the Notice of Stock Option Grant, the Plan, and any other communications or materials that you may receive regarding
participation in the Plan do not constitute advertising or an offering of securities outside the United States, and the issuance
of securities described in any Plan-related documents is not intended for public offering or circulation in your jurisdiction.

 

Singapore:

 

Securities
Law Notice

 

This
offer and the Shares to be issued hereunder shall be made available through this platform/facility and are offered to Optionee
in reliance on the exemption under section 272A (1) of the Securities and Futures Act (Chapter 289) of Singapore (the “SFA”).
These offers are not made in or accompanied by a prospectus that is registered by the Monetary Authority of Singapore (the “Authority”).
Apart from being subjected to the general resale restriction under Section 257 of the SFA, any and all Shares to be issued hereunder
shall therefore not be subsequently sold to any person in Singapore, unless the offer resulting in such subsequent sale is made
in compliance with Subdivisions (2) and (3) of Part XIII Division (1), in reliance on subsection (8)(c) or any other exemption
under any provision of Subdivision (4) of Part XIII Division (1) (other than herein this subsection), or where at least 6 months
have elapsed from the date the securities were acquired under the initial offer, in reliance on the exemption herein under this
subsection.

 

Exit
Tax / Deemed Exercise Rule. If Optionee is deemed by the Singapore tax authorities to have received Options in relation to Optionee’s
employment in Singapore, notwithstanding the fact that Optionee is not employed by the Company or any Subsidiary or Affiliate,
if prior to the exercise of the Options, Optionee is (1) a permanent resident of Singapore and leaves Singapore permanently or
is transferred out of Singapore; or (2) neither a Singapore citizen nor permanent resident and either ceases employment in Singapore
or leaves Singapore for any period exceeding 3 months, Optionee will likely be taxed on the Options on a “deemed exercise”
basis, even if the Options have not yet vested. Optionee should discuss the tax treatment with his or her personal tax advisor.

 

    -9-

     

    

 

EXHIBIT A

 

Momentus
Inc.

 

Amended
and Restated 2018 Stock Plan

 

EXERCISE
AGREEMENT

 

This
Exercise Agreement (this “Agreement”) is made as of _______________, by and between Momentus Inc., a Delaware
corporation (the “Company”), and ____________________ (“Purchaser”). To the extent any capitalized
terms used in this Agreement are not defined, they shall have the meaning ascribed to them in the Company’s Amended and
Restated 2018 Stock Plan (the “Plan”) and the Option Agreement (as defined below).

 

1.
Exercise of Option. Subject to
the terms and conditions hereof, Purchaser hereby elects to exercise his or her option to purchase _____________ shares of the
Class A Common Stock (the “Shares”) of the Company under and pursuant to the Plan, the Notice of Stock Option
Grant and the Stock Option Agreement granted __________ (the “Option Agreement”). The purchase price for the
Shares shall be USD$__________ per Share for a total purchase price of USD$___________. The term “Shares” refers
to the purchased Shares and all securities received in connection with the Shares pursuant to stock dividends or splits, all securities
received in replacement of the Shares in a recapitalization, merger, reorganization, exchange or the like, and all new, substituted
or additional securities or other property to which Purchaser is entitled by reason of Purchaser’s ownership of the Shares.

 

2.
Time and Place of Exercise. The
purchase and sale of the Shares under this Agreement shall occur at the principal office of the Company simultaneously with the
execution and delivery of this Agreement, the payment of the aggregate exercise price by any method listed in Section 4 of
the Option Agreement, and the satisfaction of any applicable tax, withholding, required deductions or other payments, all in accordance
with the provisions of Section 3(b) of the Option Agreement. The Company shall issue the Shares to Purchaser by entering
such Shares in Purchaser’s name as of such date in the books and records of the Company or, if applicable, a duly authorized
transfer agent of the Company, against payment of the exercise price therefor by Purchaser. The Company will deliver to Purchaser
a stock certificate or, upon request in the case of uncertificated securities, a notice of issuance, for the Shares as soon as
practicable following such date.

 

    -1-

     

    

 

3.
Limitations on Transfer. Purchaser
acknowledges and agrees that the Shares purchased under this Agreement are subject to (i) the transfer restrictions set forth
in Section 12 of the Plan, (ii) the terms and conditions that apply to the Company’s Class A Common Stock, as set forth
in the Company’s Bylaws, as may be in effect at the time of any proposed transfer (the “Bylaw Provisions”),
and (iii) any other limitation or restriction on transfer created by Applicable Laws. Purchaser shall not assign, encumber or
dispose of any interest in the Shares except to the extent permitted by, and in compliance with, Section 12 of the Plan, the Bylaw
Provisions, Applicable Laws, and the provisions below.

 

(a)
Transfer Restrictions; Right of First Refusal. Before any Shares held by Purchaser or any transferee of Purchaser
(either being sometimes referred to herein as the “Holder”) may be sold or otherwise transferred (including
transfer by gift or operation of law), the Company shall first, to the extent the Company’s approval is required by the
Plan or any applicable Bylaw Provisions, have the right to approve such sale or transfer, in full or in part, and shall then have
the right to purchase all or any part of the Shares proposed to be sold or transferred, in each case, in its sole and absolute
discretion (the “Right of First Refusal”). If the Holder would like to sell or transfer any Shares, the Holder
must provide the Company or its assignee(s) with a Notice (as defined below) requesting approval to sell or transfer the Shares
and offering the Company or its assignee(s) a Right of First Refusal on the same terms and conditions set forth in this Section 3(a).
The Company may either (1) exercise its Right of First Refusal in full or in part and purchase such Shares pursuant to this
Section 3(a), (2) decline to exercise its Right of First Refusal in full or in part and permit the transfer of such
Shares to the Proposed Transferee (as defined below) in full or in part or (3) decline to exercise its Right of First Refusal
in full or in part and, to the extent the Company’s approval is required by the Plan or any applicable Bylaw Provisions,
decline the request to sell or transfer the Shares in full or in part.

 

(i)
Notice of Proposed Transfer. The Holder of the Shares shall deliver to the Company a written notice (the “Notice”)
stating: (A) the Holder’s intention to sell or otherwise transfer such Shares; (B) the name of each proposed purchaser
or other transferee (“Proposed Transferee”); (C) the number of Shares to be sold or transferred to each
Proposed Transferee; (D) the terms and conditions of each proposed sale or transfer, including (without limitation) the purchase
price for such Shares (the “Purchase Price”); and (E) the Holder’s offer to the Company or its assignee(s)
to purchase the Shares at the Purchase Price and upon the same terms (or terms that are no less favorable to the Company).

 

(ii)
Exercise of Right of First Refusal. At any time within 30 days after receipt of the Notice, the Company and/or its
assignee(s) shall deliver a written notice to the Holder indicating whether the Company and/or its assignee(s) elect to permit
or reject the proposed sale or transfer, in full or in part, and/or elect to accept or decline the offer to purchase any or all
of the Shares proposed to be sold or transferred to any one or more of the Proposed Transferees, at the Purchase Price, provided
that if the Purchase Price consists of no legal consideration (as, for example, in the case of a transfer by gift), the purchase
price will be the fair market value of the Shares as determined in good faith by the Company. If the Purchase Price includes consideration
other than cash, the cash equivalent value of the non-cash consideration shall be determined by the Company in good faith.

 

(iii)
Payment. Payment of the Purchase Price shall be made, at the election of the Company or its assignee(s), in cash
(by check), by cancellation of all or a portion of any outstanding indebtedness, or by any combination thereof within 60 days
after receipt of the Notice or in the manner and at the times set forth in the Notice.

 

    -2-

     

    

 

(iv)
Holder’s Right to Transfer. If any of the Shares proposed in the Notice to be sold or transferred to a given
Proposed Transferee are both (A) not purchased by the Company and/or its assignee(s) as provided in this Section 3(a) and
(B) approved by the Company to be sold or transferred, then the Holder may sell or otherwise transfer any such Shares to the
applicable Proposed Transferee at the Purchase Price or at a higher price, provided that such sale or other transfer is consummated
within 120 days after the date of the Notice; provided that any such sale or other transfer is also effected in accordance with
the Bylaw Provisions, the transfer restrictions set forth in the Plan and any Applicable Laws and the Proposed Transferee agrees
in writing that the Plan, the Bylaw Provisions and the provisions of the Option Agreement and this Agreement, including this Section 3
and the waiver of statutory information rights in Section 8 shall continue to apply to the Shares in the hands of such Proposed
Transferee. The Company, in consultation with its legal counsel, may require the Holder to provide an opinion of counsel evidencing
compliance with Applicable Laws. If the Shares described in the Notice are not transferred to the Proposed Transferee within such
period, or if the Holder proposes to change the price or other terms to make them more favorable to the Proposed Transferee, a
new Notice shall be given to the Company, and the Company and/or its assignees shall again have the right to approve such transfer
and be offered the Right of First Refusal.

 

(v)
Exception for Certain Family Transfers. Anything to the contrary contained in this Section 3(a) notwithstanding,
the transfer of any or all of the Shares during Holder’s lifetime or on Holder’s death by will or intestacy to Holder’s
Immediate Family or a trust for the benefit of Holder or Holder’s Immediate Family shall be exempt from the provisions of
this Section 3(a). “Immediate Family” as used herein shall mean lineal descendant or antecedent, spouse
(or spouse’s antecedents), father, mother, brother or sister (or their descendants), stepchild (or their antecedents or
descendants), aunt or uncle (or their antecedents or descendants), brother-in-law or sister-in-law (or their antecedents or descendants)
and shall include adoptive relationships, or any person sharing Holder’s household (other than a tenant or an employee).
In such case, the transferee or other recipient shall receive and hold the Shares so transferred subject to the provisions of
the Plan, the Bylaw Provisions and the provisions of the Option Agreement and this Agreement, including this Section 3 and
Section 8, and there shall be no further transfer of such Shares except in accordance with the terms of this Section 3,
the Plan, and the Bylaw Provisions.

 

(b)
Company’s Right to Purchase upon Involuntary Transfer. In the event of any transfer by operation of law or
other involuntary transfer (including death or divorce, but excluding a transfer to Immediate Family as set forth in Section 3(a)(v)
above) of all or a portion of the Shares by the record holder thereof, the Company shall have an option to purchase any or all
of the Shares transferred at the Fair Market Value of the Shares on the date of transfer (as determined by the Company in its
sole discretion). Upon such a transfer, the Holder shall promptly notify the Secretary of the Company of such transfer. The right
to purchase such Shares shall be provided to the Company for a period of 30 days following receipt by the Company of written notice
from the Holder.

 

(c)
Assignment. The right of the Company to purchase any part of the Shares may be assigned in whole or in part to any
holder or holders of capital stock of the Company or other persons or organizations.

 

    -3-

     

    

 

(d)
Restrictions Binding on Transferees. All transferees of Shares or any interest therein will receive and hold such
Shares or interest subject to the Plan, the Bylaw Provisions, the provisions of the Option Agreement and this Agreement, including,
without limitation, Sections 3 and 8 of this Agreement, Section 7 of the Option Agreement and Section 12 of
the Plan. Any sale or transfer of the Shares shall be void unless the provisions of this Agreement are satisfied.

 

(e)
Termination of Rights. The transfer restrictions set forth in Section  3(a) above and Section 12 of the
Plan, the Right of First Refusal granted the Company by Section 3(a) above and the right to repurchase the Shares in the
event of an involuntary transfer granted the Company by Section 3(b) above shall terminate upon (i) the first sale of Common
Stock of the Company to the general public pursuant to a registration statement filed with and declared effective by the Securities
and Exchange Commission under the Securities Act of 1933, as amended (the “Securities Act”) (other than a registration
statement relating solely to the issuance of Common Stock pursuant to a business combination or an employee incentive or benefit
plan) or (ii) any transfer or conversion of Shares made pursuant to a statutory merger or statutory consolidation of the Company
with or into another corporation or corporations if the common stock of the surviving corporation or any direct or indirect parent
corporation thereof is registered under the Exchange Act. Upon termination of such transfer restrictions, the Company will remove
any stop-transfer notices referred to in Section 6(b) below and related to the restrictions in this Section 3 and a
new stock certificate or, in the case of uncertificated securities, notice of issuance, for the Shares not repurchased shall be
issued, on request, without the legend referred to in Section 6(a)(ii) below and delivered to Holder.

 

(f)
Lock-Up Agreement. The lock-up provisions set forth in Section 7 of the Option Agreement shall apply to the
Shares issued upon exercise of the Option hereunder and Purchaser reaffirms Purchaser’s obligations set forth therein.

 

4.
Investment and Taxation Representations.
In connection with the purchase of the Shares, Purchaser represents to the Company the following:

 

(a)
Purchaser is aware of the Company’s business affairs and financial condition and has acquired sufficient information about
the Company to reach an informed and knowledgeable decision to acquire the Shares. Purchaser is purchasing the Shares for investment
for Purchaser’s own account only and not with a view to, or for resale in connection with, any “distribution”
thereof within the meaning of the Securities Act or under any applicable provision of state law. Purchaser does not have any present
intention to transfer the Shares to any other person or entity.

 

(b)
Purchaser understands that the Shares have not been registered under the Securities Act by reason of a specific exemption therefrom,
which exemption depends upon, among other things, the bona fide nature of Purchaser’s investment intent as expressed herein.

 

(c)
Purchaser further acknowledges and understands that the securities must be held indefinitely unless they are subsequently registered
under the Securities Act or an exemption from such registration is available. Purchaser further acknowledges and understands that
the Company is under no obligation to register the securities.

 

    -4-

     

    

 

(d)
Purchaser is familiar with the provisions of Rule 144, promulgated under the Securities Act, which, in substance, permits
limited public resale of “restricted securities” acquired, directly or indirectly, from the issuer of the securities
(or from an affiliate of such issuer), in a non-public offering subject to the satisfaction of certain conditions. Purchaser understands
that the Company provides no assurances as to whether he or she will be able to resell any or all of the Shares pursuant to Rule
144, which rule requires, among other things, that the Company be subject to the reporting requirements of the Exchange Act, that
resales of securities take place only after the holder of the Shares has held the Shares for certain specified time periods, and
under certain circumstances, that resales of securities be limited in volume and take place only pursuant to brokered transactions.
Notwithstanding this Section 4(d), Purchaser acknowledges and agrees to the restrictions set forth in Section 4(e) below.

 

(e)
Purchaser further understands that in the event all of the applicable requirements of Rule 144 are not satisfied, registration
under the Securities Act, compliance with Regulation A, or some other registration exemption will be required; and that,
notwithstanding the fact that Rule 144 is not exclusive, the Staff of the Securities and Exchange Commission has expressed
its opinion that persons proposing to sell private placement securities other than in a registered offering and otherwise than
pursuant to Rule 144 will have a substantial burden of proof in establishing that an exemption from registration is available
for such offers or sales, and that such persons and their respective brokers who participate in such transactions do so at their
own risk.

 

(f)
Purchaser represents that Purchaser is not subject to any of the “Bad Actor” disqualifications described in Rule 506(d)(1)(i)
to (viii) under the Securities Act. Purchaser also agrees to notify the Company if Purchaser becomes subject to such disqualifications
after the date hereof.

 

(g)
Purchaser understands that Purchaser may suffer adverse tax consequences as a result of Purchaser’s purchase or disposition
of the Shares. Purchaser represents that Purchaser has consulted any tax consultants Purchaser deems advisable in connection with
the purchase or disposition of the Shares and that Purchaser is not relying on the Company for any tax advice.

 

5.
Voting Provisions. As a condition
precedent to entering into this Agreement, at the request of the Company, Purchaser shall become a party to any voting agreement
to which the Company is a party at the time of Purchaser’s execution and delivery of this Agreement, as such voting agreement
may be thereafter amended from time to time (the “Voting Agreement”), by executing an adoption agreement or
counterpart signature page agreeing to be bound by and subject to the terms of the Voting Agreement and to vote the Shares in
the capacity of a “Common Holder” and a “Stockholder,” as such terms may be defined in the Voting Agreement.

 

6.
Restrictive Legends and Stop-Transfer Orders.

 

(a)
Legends. Any stock certificate or, in the case of uncertificated securities, any notice of issuance, for the Shares
shall bear the following legends (as well as any legends required by the Company or applicable state and federal corporate and
securities laws):

 

(i)
“THE SECURITIES REFERENCED HEREIN HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AND HAVE BEEN ACQUIRED FOR
INVESTMENT AND NOT WITH A VIEW TO, OR IN CONNECTION WITH, THE SALE OR DISTRIBUTION THEREOF. NO SUCH SALE OR DISTRIBUTION MAY BE
EFFECTED WITHOUT AN EFFECTIVE REGISTRATION STATEMENT RELATED THERETO OR AN OPINION OF COUNSEL IN A FORM SATISFACTORY TO THE COMPANY
THAT SUCH REGISTRATION IS NOT REQUIRED UNDER THE SECURITIES ACT OF 1933.”

 

    -5-

     

    

 

(ii)
“THE SECURITIES referenced herein MAY BE TRANSFERRED ONLY IN ACCORDANCE WITH THE
TERMS OF AN AGREEMENT BETWEEN THE Company AND THE stockholder, A COPY OF WHICH IS ON FILE WITH AND MAY BE OBTAINED FROM THE SECRETARY
OF THE Company at no charge.”

 

(iii)
THE TRANSFER OF THE SECURITIES referenced herein IS SUBJECT TO CERTAIN TRANSFER RESTRICTIONS
SET FORTH IN THE COMPANY’S Stock PLAN, COPIES OF WHICH MAY BE OBTAINED UPON WRITTEN REQUEST TO THE COMPANY AT ITS PRINCIPAL
PLACE OF BUSINESS. THE COMPANY SHALL NOT REGISTER OR OTHERWISE RECOGNIZE OR GIVE EFFECT TO ANY PURPORTED TRANSFER OF SECURITIES
THAT DOES NOT COMPLY WITH SUCH TRANSFER RESTRICTIONS.”

 

(iv)
Any legend required by the Voting Agreement, as applicable.

 

(b)
Stop-Transfer Notices. Purchaser agrees that, in order to ensure compliance with the restrictions referred to herein,
the Company may issue appropriate “stop transfer” instructions to its transfer agent, if any, and that, if the Company
transfers its own securities, it may make appropriate notations to the same effect in its own records.

 

(c)
Refusal to Transfer. The Company shall not be required (i) to transfer on its books any Shares that have been
sold or otherwise transferred in violation of any of the provisions of this Agreement or (ii) to treat as owner of such Shares
or to accord the right to vote or pay dividends to any purchaser or other transferee to whom such Shares shall have been so transferred.

 

7.
No Employment Rights. Nothing in
this Agreement shall affect in any manner whatsoever the right or power of the Company, or a parent, subsidiary or affiliate of
the Company, to terminate Purchaser’s employment or consulting relationship, for any reason, with or without cause.

 

8.
Waiver of Statutory Information Rights.
Purchaser acknowledges and understands that, but for the waiver made herein, Purchaser would be entitled, upon written demand
under oath stating the purpose thereof, to inspect for any proper purpose, and to make copies and extracts from, the Company’s
stock ledger, a list of its stockholders, and its other books and records, and the books and records of subsidiaries of the Company,
if any, under the circumstances and in the manner provided in Section 220 of the Delaware General Corporation Law (any and all
such rights, and any and all such other rights of Purchaser as may be provided for in Section 220, the “Inspection Rights”).
In light of the foregoing, until the first sale of Common Stock of the Company to the general public pursuant to a registration
statement filed with and declared effective by the Securities and Exchange Commission under the Securities Act of 1933, as amended,
Purchaser hereby unconditionally and irrevocably waives the Inspection Rights, whether such Inspection Rights would be exercised
or pursued directly or indirectly pursuant to Section 220 or otherwise, and covenants and agrees never to directly or indirectly
commence, voluntarily aid in any way, prosecute, assign, transfer, or cause to be commenced any claim, action, cause of action,
or other proceeding to pursue or exercise the Inspection Rights. The foregoing waiver applies to the Inspection Rights of Purchaser
in Purchaser’s capacity as a stockholder and shall not affect any rights of a director, in his or her capacity as such,
under Section 220. The foregoing waiver shall not apply to any contractual inspection rights of Purchaser under any written agreement
with the Company.

 

    -6-

     

    

 

9.
Miscellaneous.

 

(a)
Governing Law. The validity, interpretation, construction and performance of this Agreement, and all acts and transactions
pursuant hereto and the rights and obligations of the parties hereto shall be governed, construed and interpreted in accordance
with the laws of the state of California, without giving effect to principles of conflicts of law. For purposes of litigating
any dispute that may arise directly or indirectly from this Agreement, the parties hereby submit and consent to the exclusive
jurisdiction of the state of California and agree that any such litigation shall be conducted only in the courts of California
or the federal courts of the United States located in California and no other courts.

 

(b)
Entire Agreement. This Agreement, together with the Option Agreement and the Plan, sets forth the entire agreement
and understanding of the parties relating to the subject matter herein and supersedes all prior or contemporaneous discussions,
understandings and agreements, whether oral or written, between them related to the subject matter thereof.

 

(c)
Amendments and Waivers. Except as contemplated under the Plan, no modification of or amendment to this Agreement,
nor any waiver of any rights under this Agreement, shall be effective unless in writing signed by the parties to this Agreement.
No delay or failure to require performance of any provision of this Agreement shall constitute a waiver of that provision as to
that or any other instance.

 

(d)
Successors and Assigns. Except as otherwise provided in this Agreement, this Agreement, and the rights and obligations
of the parties hereunder, will be binding upon and inure to the benefit of their respective successors, assigns, heirs, executors,
administrators and legal representatives. The Company may assign any of its rights and obligations under this Agreement. No other
party to this Agreement may assign, whether voluntarily or by operation of law, any of its rights and obligations under this Agreement,
except with the prior written consent of the Company.

 

(e)
Notices. Any notice, demand or request required or permitted to be given under this Agreement shall be in writing
and shall be deemed sufficient when delivered personally or by overnight courier or sent by email, or 48 hours after being deposited
in the U.S. mail as certified or registered mail with postage prepaid, addressed to the party to be notified at such party’s
address as set forth on the signature page, as subsequently modified by written notice, or if no address is specified on the signature
page, at the most recent address set forth in the Company’s books and records.

 

    -7-

     

    

 

(f)
Severability. If one or more provisions of this Agreement are held to be unenforceable under Applicable Laws, the
parties agree to renegotiate such provision in good faith. In the event that the parties cannot reach a mutually agreeable and
enforceable replacement for such provision, then (i) such provision shall be excluded from this Agreement, (ii) the
balance of the Agreement shall be interpreted as if such provision were so excluded and (iii) the balance of the Agreement
shall be enforceable in accordance with its terms.

 

(g)
Construction. This Agreement is the result of negotiations between and has been reviewed by each of the parties
hereto and their respective counsel, if any; accordingly, this Agreement shall be deemed to be the product of all of the parties
hereto, and no ambiguity shall be construed in favor of or against any one of the parties hereto.

 

(h)
Counterparts. This Agreement may be executed in any number of counterparts, each of which when so executed and delivered
shall be deemed an original, and all of which together shall constitute one and the same agreement. Execution of a facsimile or
scanned copy will have the same force and effect as execution of an original, and a facsimile or scanned signature will be deemed
an original and valid signature.

 

(i)
Electronic Delivery. The Company may, in its sole discretion, decide to deliver any documents related to this Agreement
or any notices required by applicable law or the Company’s Certificate of Incorporation or Bylaws by email or any other
electronic means. Purchaser hereby consents to (i) conduct business electronically, (ii) receive such documents and notices by
such electronic delivery and (iii) sign documents electronically and agrees to participate through an on-line or electronic system
established and maintained by the Company or a third party designated by the Company.

 

(j)
California Corporate Securities Law. THE SALE OF THE SECURITIES WHICH ARE THE SUBJECT OF THIS AGREEMENT HAS NOT
BEEN QUALIFIED WITH THE COMMISSIONER OF BUSINESS OVERSIGHT OF THE STATE OF CALIFORNIA AND THE ISSUANCE OF THE SECURITIES OR THE
PAYMENT OR RECEIPT OF ANY PART OF THE CONSIDERATION THEREFOR PRIOR TO THE QUALIFICATION IS UNLAWFUL, UNLESS THE SALE OF SECURITIES
IS EXEMPT FROM QUALIFICATION BY SECTION 25100, 25102 OR 25105 OF THE CALIFORNIA CORPORATIONS CODE. THE RIGHTS OF ALL PARTIES TO
THIS AGREEMENT ARE EXPRESSLY CONDITIONED UPON THE QUALIFICATION BEING OBTAINED, UNLESS THE SALE IS SO EXEMPT.

 

[Signature
Page Follows]

 

    -8-

     

    

 

The parties have executed this
Exercise Agreement as of the date first set forth above.

 

	 	the company:
	 	 
	 	Momentus Inc.
	 	 
	 	By:	 
	 	 	Mikhail Kokorich
	 	 	Chief Executive Officer
	 	 
	 	Address:
	 	3050 Kenneth St.
	 	Santa Clara, California  95054 
	 	 
	 	 
	 	PURCHASER:
	 	 
	 	
	 	(Print Name)
	 	 
	 	
	 	(Signature)

 

	 	Address:
	 	 	 	 
	 	 	 	 
	 		 	 
	 	Email:	 

 

    -9-

     

    

 

I,
____________________, spouse of ____________________ (“Purchaser”), have read and hereby approve the foregoing
Agreement. In consideration of the Company’s granting my spouse the right to purchase the Shares as set forth in the Agreement,
I hereby agree to be bound irrevocably by the Agreement and further agree that any community property or other such interest that
I may have in the Shares shall hereby be similarly bound by the Agreement. I hereby appoint my spouse as my attorney-in-fact with
respect to any amendment or exercise or waiver of any rights under the Agreement.

 

	 	 
	 	Spouse of Purchaser (if applicable)

 

    -10-

     

    

 

Momentus
Inc.

 

Amended
and Restated 2018 Stock Plan

 

RESTRICTED
Stock Purchase Agreement

 

This
Restricted Stock Purchase Agreement (this “Agreement”) is made as of __________ by and between Momentus Inc.,
a Delaware corporation (the “Company”), and ____________________ (“Purchaser”) pursuant
to the Company’s Amended and Restated 2018 Stock Plan (the “Plan”). To the extent any capitalized terms
used in this Agreement are not defined, they shall have the meaning ascribed to them in the Plan.

 

1.
Sale of Stock. Subject to the terms and conditions of this Agreement, simultaneously with the execution and delivery
of this Agreement by the parties or on such other date as the Company and Purchaser shall agree (the “Purchase Date”),
the Company will issue and sell to Purchaser, and Purchaser agrees to purchase from the Company, __________ shares of the Company’s
Class A Common Stock (the “Shares”) at a purchase price of USD$__________ per share for a total purchase price
of USD$__________ (the “Aggregate Purchase Price”). On the Purchase Date, Purchaser will deliver the Aggregate
Purchase Price to the Company and the Company will enter the Shares in Purchaser’s name as of such date in the books and
records of the Company or, if applicable, a duly authorized transfer agent of the Company. The Company will deliver to Purchaser
a stock certificate representing the Shares as soon as practicable following such date. As used elsewhere herein, the term “Shares”
refers to all of the Shares purchased hereunder and all securities received in connection with the Shares pursuant to stock dividends
or splits, all securities received in replacement of the Shares in a recapitalization, merger, reorganization, exchange or the
like, and all new, substituted or additional securities or other property to which Purchaser is entitled by reason of Purchaser’s
ownership of the Shares. By Purchaser’s signature and the signature of the Company’s representative below, Purchaser
and the Company agree that this acquisition of Shares is governed by the terms and conditions of this Agreement and the Momentus
Inc. Amended and Restated 2018 Stock Plan which is attached to and made a part of this Agreement.

 

2.
Consideration. Payment of the Aggregate Purchase Price shall be made by any method permitted by the Company and
authorized under the Plan. In addition, Purchaser shall satisfy any applicable tax, withholding obligations, required deductions
or other payments, all in accordance with the Plan.

 

    -1-

     

    

 

3.
Limitations on Transfer. Purchaser acknowledges and agrees that the Shares purchased under this Agreement are subject
to (i) the transfer restrictions set forth in Section 12 of the Plan, (ii) the terms and conditions that apply to the Company’s
Class A Common Stock, as set forth in the Company’s Bylaws, as may be in effect at the time of any proposed transfer (the
“Bylaw Provisions”), and (iii) any other limitation or restriction on transfer created by Applicable Laws.
In addition to the foregoing limitations on transfer, Purchaser shall not assign, encumber or dispose of any interest in the Shares
while the Shares are subject to the Company’s Repurchase Option (as defined below). After any Shares have been released
from such Repurchase Option, Purchaser shall not assign, encumber or dispose of any interest in the Shares except to the extent
permitted by, and in compliance with, Section 12 of the Plan, the Bylaw Provisions, Applicable Laws, and the provisions below.

 

(a)
Repurchase Option; Vesting.

 

(i)
In the event of the voluntary or involuntary termination of Purchaser’s Continuous Service Status for any reason (including,
without limitation, resignation, death or Disability), with or without cause, the Company shall upon the date of such termination
(the “Termination Date”) have an irrevocable, exclusive option (the “Repurchase Option”)
for a period of 3 months from such date to repurchase all or any portion of the Unvested Shares (as defined below) held by Purchaser
as of the Termination Date at the original purchase price per Share (adjusted for any stock splits, stock dividends and the like)
specified in Section 1. As used in this Agreement, “Unvested Shares” means Shares, if any, that have not
yet been released from the Repurchase Option.

 

(ii)
Unless the Company notifies Purchaser within 3 months from the Termination Date that it does not intend to exercise its Repurchase
Option with respect to some or all of the Unvested Shares, the Repurchase Option shall be deemed automatically exercised by the
Company as of the end of such 3-month period following such Termination Date, provided that the Company may notify Purchaser that
it is exercising its Repurchase Option as of a date prior to the end of such 3-month period. Unless Purchaser is otherwise notified
by the Company pursuant to the preceding sentence that the Company does not intend to exercise its Repurchase Option as to some
or all of the Unvested Shares to which it applies at the time of termination, execution of this Agreement by Purchaser constitutes
written notice to Purchaser of the Company’s intention to exercise its Repurchase Option with respect to all Unvested Shares
to which such Repurchase Option applies. The Company, at its choice, may satisfy its payment obligation to Purchaser with respect
to exercise of the Repurchase Option by either (A) delivering a check to Purchaser in the amount of the purchase price for the
Unvested Shares being repurchased, or (B) in the event Purchaser is indebted to the Company, canceling an amount of such indebtedness
equal to the purchase price for the Unvested Shares being repurchased, or (C) by a combination of (A) and (B) so that the combined
payment and cancellation of indebtedness equals such purchase price. In the event of any deemed automatic exercise of the Repurchase
Option pursuant to this Section 3(a)(iii) in which Purchaser is indebted to the Company, such indebtedness equal to the purchase
price of the Unvested Shares being repurchased shall be deemed automatically canceled as of the end of the 3-month period following
the Termination Date unless the Company otherwise satisfies its payment obligations. As a result of any repurchase of Unvested
Shares pursuant to this Section 3(a), the Company shall become the legal and beneficial owner of the Unvested Shares being
repurchased and shall have all rights and interest therein or related thereto, and the Company shall have the right to transfer
to its own name the number of Unvested Shares being repurchased by the Company, without further action by Purchaser.

 

(iii)
100% of the Shares shall initially be subject to the Repurchase Option (the “Vesting Shares”). __________ of
the Vesting Shares shall be released from the Repurchase Option on __________, and an additional __________ of the Vesting Shares
shall be released from the Repurchase Option on the ____ day of each month thereafter (and if there is no corresponding day, the
last day of the month), until all Vesting Shares are released from the Repurchase Option; provided, however, that such scheduled
releases from the Repurchase Option shall immediately cease as of the Termination Date. Fractional shares shall be rounded down
to the nearest whole share.

 

    -2-

     

    

 

(b)
Transfer Restrictions; Right of First Refusal. Before any Shares held by Purchaser or any transferee of Purchaser
(either being sometimes referred to herein as the “Holder”) may be sold or otherwise transferred (including
transfer by gift or operation of law), the Company shall first, to the extent the Company’s approval is required by the
Plan or any applicable Bylaw Provisions, have the right to approve such sale or transfer, in full or in part, and shall then have
the right to purchase all or any part of the Shares proposed to be sold or transferred, in each case, in its sole and absolute
discretion (the “Right of First Refusal”). If the Holder would like to sell or transfer any Shares, the Holder
must provide the Company or its assignee(s) with a Notice (as defined below) requesting approval to sell or transfer the Shares
and offering the Company or its assignee(s) a Right of First Refusal on the same terms and conditions set forth in this Section 3(b).
The Company may either (1) exercise its Right of First Refusal in full or in part and purchase such Shares pursuant to this
Section 3(b), (2) decline to exercise its Right of First Refusal in full or in part and permit the transfer of such
Shares to the Proposed Transferee (as defined below) in full or in part or (3) decline to exercise its Right of First Refusal
in full or in part and, to the extent the Company’s approval is required by the Plan or any applicable Bylaw Provisions,
decline the request to sell or transfer the Shares in full or in part.

 

(i)
Notice of Proposed Transfer. The Holder of the Shares shall deliver to the Company a written notice (the “Notice”)
stating: (A) the Holder’s intention to sell or otherwise transfer such Shares; (B) the name of each proposed purchaser
or other transferee (“Proposed Transferee”); (C) the number of Shares to be sold or transferred to each
Proposed Transferee; (D) the terms and conditions of each proposed sale or transfer, including (without limitation) the purchase
price for such Shares (the “Transfer Purchase Price”); and (E) the Holder’s offer to the Company or its
assignee(s) to purchase the Shares at the Transfer Purchase Price and upon the same terms (or terms that are no less favorable
to the Company).

 

(ii)
Exercise of Right of First Refusal. At any time within 30 days after receipt of the Notice, the Company and/or its
assignee(s) shall deliver a written notice to the Holder indicating whether the Company and/or its assignee(s) elect to permit
or reject the proposed sale or transfer, in full or in part, and/or elect to accept or decline the offer to purchase any or all
of the Shares proposed to be sold or transferred to any one or more of the Proposed Transferees, at the Transfer Purchase Price,
provided that if the Transfer Purchase Price consists of no legal consideration (as, for example, in the case of a transfer by
gift), the purchase price will be the fair market value of the Shares as determined in good faith by the Company. If the Transfer
Purchase Price includes consideration other than cash, the cash equivalent value of the non-cash consideration shall be determined
by the Company in good faith.

 

(iii)
Payment. Payment of the Transfer Purchase Price shall be made, at the election of the Company or its assignee(s),
in cash (by check), by cancellation of all or a portion of any outstanding indebtedness, or by any combination thereof within
60 days after receipt of the Notice or in the manner and at the times set forth in the Notice.

 

    -3-

     

    

 

(iv)
Holder’s Right to Transfer. If any of the Shares proposed in the Notice to be sold or transferred to a given
Proposed Transferee are both (A) not purchased by the Company and/or its assignee(s) as provided in this Section 3(b) and
(B) approved by the Company to be sold or transferred, then the Holder may sell or otherwise transfer any such Shares to the
applicable Proposed Transferee at the Transfer Purchase Price or at a higher price, provided that such sale or other transfer
is consummated within 120 days after the date of the Notice; provided that any such sale or other transfer is also effected in
accordance with the Bylaw Provisions, the transfer restrictions set forth in the Plan and any Applicable Laws and the Proposed
Transferee agrees in writing that the Plan, the Bylaw Provisions and the provisions of this Agreement, including this Section 3
and the waiver of statutory information rights in Section 10 shall continue to apply to the Shares in the hands of such Proposed
Transferee. The Company, in consultation with its legal counsel, may require the Holder to provide an opinion of counsel evidencing
compliance with Applicable Laws. If the Shares described in the Notice are not transferred to the Proposed Transferee within such
period, or if the Holder proposes to change the price or other terms to make them more favorable to the Proposed Transferee, a
new Notice shall be given to the Company, and the Company and/or its assignees shall again have the right to approve such transfer
and be offered the Right of First Refusal.

 

(v)
Exception for Certain Family Transfers. Anything to the contrary contained in this Section 3(b) notwithstanding,
the transfer of any or all of the Shares during Holder’s lifetime or on Holder’s death by will or intestacy to Holder’s
Immediate Family or a trust for the benefit of Holder or Holder’s Immediate Family shall be exempt from the provisions of
this Section 3(b). “Immediate Family” as used herein shall mean lineal descendant or antecedent, spouse
(or spouse’s antecedents), father, mother, brother or sister (or their descendants), stepchild (or their antecedents or
descendants), aunt or uncle (or their antecedents or descendants), brother-in-law or sister-in-law (or their antecedents or descendants)
and shall include adoptive relationships, or any person sharing Holder’s household (other than a tenant or an employee).
In such case, the transferee or other recipient shall receive and hold the Shares so transferred subject to the provisions of
the Plan, the Bylaw Provisions and the provisions of this Agreement, including this Section 3 and Section 10, and there
shall be no further transfer of such Shares except in accordance with the terms of this Section 3, the Plan, and the Bylaw
Provisions.

 

(c)
Company’s Right to Purchase upon Involuntary Transfer. In the event of any transfer by operation of law or
other involuntary transfer (including death or divorce, but excluding a transfer to Immediate Family as set forth in Section 3(b)(v)
above) of all or a portion of the Shares by the record holder thereof, the Company shall have an option to purchase any or all
of the Shares transferred at the Fair Market Value of the Shares on the date of transfer (as determined by the Company in its
sole discretion). Upon such a transfer, the Holder shall promptly notify the Secretary of the Company of such transfer. The right
to purchase such Shares shall be provided to the Company for a period of 30 days following receipt by the Company of written notice
from the Holder.

 

(d)
Assignment. The right of the Company to purchase any part of the Shares may be assigned in whole or in part to any
holder or holders of capital stock of the Company or other persons or organizations.

 

    -4-

     

    

 

(e)
Restrictions Binding on Transferees. All transferees of Shares or any interest therein will receive and hold such
Shares or interest subject to the Plan, the Bylaw Provisions and the provisions of this Agreement, including, without limitation,
Sections 3 and 10 of this Agreement and Section 12 of the Plan, including, insofar as applicable, the Repurchase Option.
In the event of any purchase by the Company hereunder where the Shares or interest are held by a transferee, the transferee shall
be obligated, if requested by the Company, to transfer the Shares or interest to Purchaser for consideration equal to the amount
to be paid by the Company hereunder. In the event the Repurchase Option is deemed exercised by the Company pursuant to Section 3(a)(ii)
hereof, the Company may deem any transferee to have transferred the Shares or interest to Purchaser prior to their purchase by
the Company, and payment of the purchase price by the Company to such transferee shall be deemed to satisfy Purchaser’s
obligation to pay such transferee for such Shares or interest, and also to satisfy the Company’s obligation to pay Purchaser
for such Shares or interest. Any sale or transfer of the Shares shall be void unless the provisions of this Agreement are satisfied.

 

(f)
Termination of Rights. The transfer restrictions set forth in Section 3(b) above and Section 12 of the
Plan, the Right of First Refusal granted the Company by Section 3(b) above and the right to repurchase the Shares in the
event of an involuntary transfer granted the Company by Section 3(c) above shall terminate upon (i) the first sale of Common
Stock of the Company to the general public pursuant to a registration statement filed with and declared effective by the Securities
and Exchange Commission under the Securities Act (other than a registration statement relating solely to the issuance of Common
Stock pursuant to a business combination or an employee incentive or benefit plan) or (ii) any transfer or conversion of Shares
made pursuant to a statutory merger or statutory consolidation of the Company with or into another corporation or corporations
if the common stock of the surviving corporation or any direct or indirect parent corporation thereof is registered under the
Exchange Act.

 

(g)
Lock-Up Agreement. If so requested by the Company or the underwriters in connection with the initial public offering
of the Company’s securities registered under the Securities Act of 1933, as amended, Purchaser shall not sell, make any
short sale of, loan, grant any option for the purchase of, or otherwise dispose of any securities of the Company however or whenever
acquired (except for those being registered) without the prior written consent of the Company or such underwriters, as the case
may be, for 180 days from the effective date of the registration statement, and Purchaser shall execute an agreement reflecting
the foregoing as may be requested by the underwriters at the time of such offering.

 

4.
Escrow of Unvested Shares. For purposes of facilitating the enforcement of the provisions of Section 3 above,
Purchaser agrees to deliver a Stock Power in the form attached to this Agreement as Exhibit A executed by Purchaser
and by Purchaser’s spouse (if required for transfer), in blank, and such stock certificate(s), if any, to the Secretary
of the Company, or the Secretary’s designee, to hold such Shares (and stock certificate(s), if any) and Stock Power in escrow
and to take all such actions and to effectuate all such transfers and/or releases as are required in accordance with the terms
of this Agreement. Purchaser hereby acknowledges that the Secretary of the Company, or the Secretary’s designee, is so appointed
as the escrow holder with the foregoing authorities as a material inducement to make this Agreement and that said appointment
is coupled with an interest and is accordingly irrevocable. Purchaser agrees that said escrow holder shall not be liable to any
party hereof (or to any other party). The escrow holder may rely upon any letter, notice or other document executed by any signature
purported to be genuine and may resign at any time. Purchaser agrees that if the Secretary of the Company, or the Secretary’s
designee, resigns as escrow holder for any or no reason, the Board of Directors of the Company shall have the power to appoint
a successor to serve as escrow holder pursuant to the terms of this Agreement.

 

    -5-

     

    

 

5.
Investment and Taxation Representations. In connection with the purchase of the Shares, Purchaser represents to
the Company the following:

 

(a)
Purchaser is aware of the Company’s business affairs and financial condition and has acquired sufficient information about
the Company to reach an informed and knowledgeable decision to acquire the Shares. Purchaser is purchasing the Shares for investment
for Purchaser’s own account only and not with a view to, or for resale in connection with, any “distribution”
thereof within the meaning of the Securities Act or under any applicable provision of state law. Purchaser does not have any present
intention to transfer the Shares to any other person or entity.

 

(b)
Purchaser understands that the Shares have not been registered under the Securities Act by reason of a specific exemption therefrom,
which exemption depends upon, among other things, the bona fide nature of Purchaser’s investment intent as expressed herein.

 

(c)
Purchaser further acknowledges and understands that the securities must be held indefinitely unless they are subsequently registered
under the Securities Act or an exemption from such registration is available. Purchaser further acknowledges and understands that
the Company is under no obligation to register the securities.

 

(d)
Purchaser is familiar with the provisions of Rule 144, promulgated under the Securities Act, which, in substance, permits
limited public resale of “restricted securities” acquired, directly or indirectly, from the issuer of the securities
(or from an affiliate of such issuer), in a non-public offering subject to the satisfaction of certain conditions. Purchaser understands
that the Company provides no assurances as to whether he or she will be able to resell any or all of the Shares pursuant to Rule
144, which rule requires, among other things, that the Company be subject to the reporting requirements of the Exchange Act, that
resales of securities take place only after the holder of the Shares has held the Shares for certain specified time periods, and
under certain circumstances, that resales of securities be limited in volume and take place only pursuant to brokered transactions.
Notwithstanding this Section 5(d), Purchaser acknowledges and agrees to the restrictions set forth in Section 5(e) below.

 

(e)
Purchaser further understands that in the event all of the applicable requirements of Rule 144 are not satisfied, registration
under the Securities Act, compliance with Regulation A, or some other registration exemption will be required; and that,
notwithstanding the fact that Rule 144 is not exclusive, the Staff of the Securities and Exchange Commission has expressed
its opinion that persons proposing to sell private placement securities other than in a registered offering and otherwise than
pursuant to Rule 144 will have a substantial burden of proof in establishing that an exemption from registration is available
for such offers or sales, and that such persons and their respective brokers who participate in such transactions do so at their
own risk.

 

    -6-

     

    

 

(f)
Purchaser represents that Purchaser is not subject to any of the “Bad Actor” disqualifications described in Rule 506(d)(1)(i)
to (viii) under the Securities Act. Purchaser also agrees to notify the Company if Purchaser becomes subject to such disqualifications
after the date hereof.

 

(g)
Purchaser understands that Purchaser may suffer adverse tax consequences as a result of Purchaser’s purchase or disposition
of the Shares. Purchaser represents that Purchaser has consulted any tax consultants Purchaser deems advisable in connection with
the purchase or disposition of the Shares and that Purchaser is not relying on the Company for any tax advice.

 

6.
Voting Provisions. As a condition precedent to entering into this Agreement, at the request of the Company, Purchaser
shall become a party to any voting agreement to which the Company is a party at the time of Purchaser’s execution and delivery
of this Agreement, as such voting agreement may be thereafter amended from time to time (the “Voting Agreement”),
by executing an adoption agreement or counterpart signature page agreeing to be bound by and subject to the terms of the Voting
Agreement and to vote the Shares in the capacity of a “Common Holder” and a “Stockholder,” as such terms
may be defined in the Voting Agreement.

 

7.
Restrictive Legends and Stop-Transfer Orders.

 

(a)
Legends. Any stock certificate or, in the case of uncertificated securities, any notice of issuance, for the Shares,
shall bear the following legends (as well as any legends required by the Company or applicable state and federal corporate and
securities laws):

 

(i)
“THE SECURITIES REFERENCED HEREIN HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AND HAVE BEEN ACQUIRED FOR
INVESTMENT AND NOT WITH A VIEW TO, OR IN CONNECTION WITH, THE SALE OR DISTRIBUTION THEREOF. NO SUCH SALE OR DISTRIBUTION MAY BE
EFFECTED WITHOUT AN EFFECTIVE REGISTRATION STATEMENT RELATED THERETO OR AN OPINION OF COUNSEL IN A FORM SATISFACTORY TO THE COMPANY
THAT SUCH REGISTRATION IS NOT REQUIRED UNDER THE SECURITIES ACT OF 1933.”

 

(ii)
“THE SECURITIES referenced herein MAY BE TRANSFERRED ONLY IN ACCORDANCE WITH THE
TERMS OF AN AGREEMENT BETWEEN THE Company AND THE stockholder, A COPY OF WHICH IS ON FILE WITH AND MAY BE OBTAINED FROM THE SECRETARY
OF THE Company at no charge.”

 

(iii)
“THE TRANSFER OF THE SECURITIES referenced herein IS SUBJECT TO CERTAIN TRANSFER
RESTRICTIONS SET FORTH IN THE COMPANY’S Stock PLAN, COPIES OF WHICH MAY BE OBTAINED UPON WRITTEN REQUEST TO THE COMPANY
AT ITS PRINCIPAL PLACE OF BUSINESS. THE COMPANY SHALL NOT REGISTER OR OTHERWISE RECOGNIZE OR GIVE EFFECT TO ANY PURPORTED TRANSFER
OF SECURITIES THAT DOES NOT COMPLY WITH SUCH TRANSFER RESTRICTIONS.”

 

(iv)
Any legend required by the Voting Agreement, as applicable.

 

    -7-

     

    

 

(b)
Stop-Transfer Notices. Purchaser agrees that, in order to ensure compliance with the restrictions referred to herein,
the Company may issue appropriate “stop transfer” instructions to its transfer agent, if any, and that, if the Company
transfers its own securities, it may make appropriate notations to the same effect in its own records.

 

(c)
Refusal to Transfer. The Company shall not be required (i) to transfer on its books any Shares that have been
sold or otherwise transferred in violation of any of the provisions of this Agreement or the Plan or (ii) to treat as owner
of such Shares or to accord the right to vote or pay dividends to any purchaser or other transferee to whom such Shares shall
have been so transferred.

 

(d)
Legend and Notice Removal. When all of the following events have occurred, the Shares then held by Purchaser will
no longer be subject to the legend specified in Section 7(a)(ii) and the Company will remove any stop-transfer notices associated
with the transfer restrictions imposed by this Agreement:

 

(i)
the termination of the Right of First Refusal;

 

(ii)
the expiration or exercise in full of the Repurchase Option;

 

(iii)
the expiration or termination of the lock-up provisions of Section 3(g) (and of any agreement entered pursuant to Section 3(g));
and

 

(iv)
the termination of the waiver of statutory information rights set forth in Section 10.

 

After
such time and upon Purchaser’s request, a new stock certificate or, in the case of uncertificated securities, notice of
issuance, for the remaining Shares, shall be issued without the legend specified in Section 7(a)(ii) and delivered to Purchaser.

 

8.
No Employment Rights. Nothing in this Agreement shall affect in any manner whatsoever the right or power of the
Company, or a parent, subsidiary or affiliate of the Company, to terminate Purchaser’s employment or consulting relationship,
for any reason, with or without cause.

 

    -8-

     

    

 

9.
Section 83(b) Election. Purchaser understands that Section 83(a) of the Internal Revenue Code of 1986,
as amended (the “Code”), taxes as ordinary income the difference between the amount paid for the Shares and
the Fair Market Value of the Shares as of the date any restrictions on the Shares lapse. In this context, “restriction”
means the right of the Company to buy back the Shares pursuant to the Repurchase Option set forth in Section 3(a) above of
this Agreement. Purchaser understands that Purchaser may elect to be taxed at the time the Shares are purchased, rather than when
and as the Repurchase Option expires, by filing an election under Section 83(b) (an “83(b) Election”)
of the Code with the Internal Revenue Service within 30 days from the date of purchase. Even if the Fair Market Value of the Shares
at the time of the execution of this Agreement equals the amount paid for the Shares, the election must be made to avoid income
under Section 83(a) in the future. Purchaser understands that failure to file such an election in a timely manner may result
in adverse tax consequences for Purchaser. Purchaser further understands that an additional copy of such election form should
be filed with Purchaser’s federal income tax return for the calendar year in which the date of this Agreement falls. Purchaser
acknowledges that the foregoing is only a summary of the effect of United States federal income taxation with respect to purchase
of the Shares hereunder, does not purport to be complete, and is not intended or written to be used, and cannot be used, for the
purposes of avoiding taxpayer penalties. Purchaser further acknowledges that the Company has directed Purchaser to seek independent
advice regarding the applicable provisions of the Code, the income tax laws of any municipality, state or foreign country in which
Purchaser may reside, and the tax consequences of Purchaser’s death, and Purchaser has consulted, and has been fully advised
by, Purchaser’s own tax advisor regarding such tax laws and tax consequences or has knowingly chosen not to consult such
a tax advisor. Purchaser further acknowledges that neither the Company nor any subsidiary or representative of the Company has
made any warranty or representation to Purchaser with respect to the tax consequences of Purchaser’s purchase of the Shares
or of the making or failure to make an 83(b) Election. PURCHASER (AND NOT THE COMPANY, ITS AGENTS OR ANY OTHER PERSON) SHALL BE
SOLELY RESPONSIBLE FOR APPROPRIATELY FILING SUCH FORM WITH THE IRS, EVEN IF PURCHASER REQUESTS THE COMPANY, ITS AGENTS OR ANY
OTHER PERSON MAKE THIS FILING ON PURCHASER’S BEHALF.

 

Purchaser
agrees that Purchaser will execute and deliver to the Company with this executed Agreement a copy of the Acknowledgment and Statement
of Decision Regarding Section 83(b) Election (the “Acknowledgment”), attached hereto as Exhibit B
and, if Purchaser decides to make an 83(b) Election, a copy of the 83(b) Election, attached hereto as Exhibit C.

 

10.
Waiver of Statutory Information Rights. Purchaser acknowledges and understands that, but for the waiver made herein,
Purchaser would be entitled, upon written demand under oath stating the purpose thereof, to inspect for any proper purpose, and
to make copies and extracts from, the Company’s stock ledger, a list of its stockholders, and its other books and records,
and the books and records of subsidiaries of the Company, if any, under the circumstances and in the manner provided in Section
220 of the Delaware General Corporation Law (any and all such rights, and any and all such other rights of Purchaser as may be
provided for in Section 220, the “Inspection Rights”). In light of the foregoing, until the first sale of Common
Stock of the Company to the general public pursuant to a registration statement filed with and declared effective by the Securities
and Exchange Commission under the Securities Act of 1933, as amended, Purchaser hereby unconditionally and irrevocably waives
the Inspection Rights, whether such Inspection Rights would be exercised or pursued directly or indirectly pursuant to Section
220 or otherwise, and covenants and agrees never to directly or indirectly commence, voluntarily aid in any way, prosecute, assign,
transfer, or cause to be commenced any claim, action, cause of action, or other proceeding to pursue or exercise the Inspection
Rights. The foregoing waiver applies to the Inspection Rights of Purchaser in Purchaser’s capacity as a stockholder and
shall not affect any rights of a director, in his or her capacity as such, under Section 220. The foregoing waiver shall not apply
to any contractual inspection rights of Purchaser under any written agreement with the Company.

 

    -9-

     

    

 

11.
Miscellaneous.

 

(a)
Governing Law. The validity, interpretation, construction and performance of this Agreement, and all acts and transactions
pursuant hereto and the rights and obligations of the parties hereto shall be governed, construed and interpreted in accordance
with the laws of the state of California, without giving effect to principles of conflicts of law. For purposes of litigating
any dispute that may arise directly or indirectly from this Agreement, the parties hereby submit and consent to the exclusive
jurisdiction of the state of California and agree that any such litigation shall be conducted only in the courts of California
or the federal courts of the United States located in California and no other courts.

 

(b)
Entire Agreement. This Agreement, together with the Plan, sets forth the entire agreement and understanding of the
parties relating to the subject matter herein and supersedes all prior or contemporaneous discussions, understandings and agreements,
whether oral or written, between them related to the subject matter thereof.

 

(c)
Amendments and Waivers. Except as contemplated under the Plan, no modification of or amendment to this Agreement,
nor any waiver of any rights under this Agreement, shall be effective unless in writing signed by the parties to this Agreement.
No delay or failure to require performance of any provision of this Agreement shall constitute a waiver of that provision as to
that or any other instance.

 

(d)
Successors and Assigns. Except as otherwise provided in this Agreement, this Agreement, and the rights and obligations
of the parties hereunder, will be binding upon and inure to the benefit of their respective successors, assigns, heirs, executors,
administrators and legal representatives. The Company may assign any of its rights and obligations under this Agreement. No other
party to this Agreement may assign, whether voluntarily or by operation of law, any of its rights and obligations under this Agreement,
except with the prior written consent of the Company.

 

(e)
Notices. Any notice, demand or request required or permitted to be given under this Agreement shall be in writing
and shall be deemed sufficient when delivered personally or by overnight courier or sent by email, or 48 hours after being deposited
in the U.S. mail as certified or registered mail with postage prepaid, addressed to the party to be notified at such party’s
address as set forth on the signature page, as subsequently modified by written notice, or if no address is specified on the signature
page, at the most recent address set forth in the Company’s books and records.

 

(f)
Severability. If one or more provisions of this Agreement are held to be unenforceable under applicable law, the
parties agree to renegotiate such provision in good faith. In the event that the parties cannot reach a mutually agreeable and
enforceable replacement for such provision, then (i) such provision shall be excluded from this Agreement, (ii) the
balance of the Agreement shall be interpreted as if such provision were so excluded and (iii) the balance of the Agreement
shall be enforceable in accordance with its terms.

 

    -10-

     

    

 

(g)
Construction. This Agreement is the result of negotiations between and has been reviewed by each of the parties
hereto and their respective counsel, if any; accordingly, this Agreement shall be deemed to be the product of all of the parties
hereto, and no ambiguity shall be construed in favor of or against any one of the parties hereto.

 

(h)
Counterparts. This Agreement may be executed in any number of counterparts, each of which when so executed and delivered
shall be deemed an original, and all of which together shall constitute one and the same agreement. Execution of a facsimile or
scanned copy will have the same force and effect as execution of an original, and a facsimile or scanned signature will be deemed
an original and valid signature.

 

(i)
Electronic Delivery. The Company may, in its sole discretion, decide to deliver any documents related to this Agreement
or any notices required by applicable law or the Company’s Certificate of Incorporation or Bylaws by email or any other
electronic means. Purchaser hereby consents to (i) conduct business electronically, (ii) receive such documents and notices by
such electronic delivery and (iii) sign documents electronically and agrees to participate through an on-line or electronic system
established and maintained by the Company or a third party designated by the Company.

 

(j)
Imposition of Other Requirements. The Company reserves the right to impose other requirements on Purchaser’s
participation in the Plan and on any Award or Shares acquired under the Plan, to the extent the Company determines it is necessary
or advisable in order to comply with Applicable Law or facilitate the administration of the Plan. Purchaser agrees to sign any
additional agreements or undertakings that may be necessary to accomplish the foregoing. Furthermore, Purchaser acknowledges that
the laws of the country in which Purchaser is working at the time of grant of this Agreement, the purchase, vesting or sale of
Shares received pursuant to this Agreement (including any rules or regulations governing securities, foreign exchange, tax, labor,
or other matters) may subject Purchaser to additional procedural or regulatory requirements that Purchaser is and will be solely
responsible for and must fulfill.

 

(k)
California Corporate Securities Law. THE SALE OF THE SECURITIES WHICH ARE THE SUBJECT OF THIS AGREEMENT HAS NOT
BEEN QUALIFIED WITH THE COMMISSIONER OF BUSINESS OVERSIGHT OF THE STATE OF CALIFORNIA AND

 

    -11-

     

    

 

The parties have executed this Restricted
Stock Purchase Agreement as of the date first set forth above.

 

	 	the company:
	 	 	 
	 	Momentus Inc.
	 	 	 
	 	By:	 
	 	 	Mikhail Kokorich
	 	 	President, Chief Executive Officer, 

Treasurer, and Chief Financial Officer
	 	 	 
	 	Address:
	 	3050 Kenneth St.
	 	Santa Clara, California  95054
	 	 	 
	 	Purchaser:
	 	 	 
	 	 	 
	 	(Print Name)
	 	 	 
	 	By:	 
	 	 	(Signature)
	 	 	 
	 	Name:	 
	 	Title:	 

 

	 	Address:
	 	 	 	 
	 	 	 	 
	 	 	 	 
	 	Email:	 	 

 

    -12-

     

    

 

I,
____________________, spouse of ____________________ (“Purchaser”), have read and hereby approve the foregoing
Restricted Stock Purchase Agreement (the “Agreement”). In consideration of the Company’s granting my
spouse the right to purchase the Shares as set forth in the Agreement, I hereby agree to be bound irrevocably by the Agreement
and further agree that any community property or other such interest that I may have in the Shares shall hereby be similarly bound
by the Agreement. I hereby appoint my spouse as my attorney-in-fact with respect to any amendment or exercise or waiver of any
rights under the Agreement.

 

	 	 
	 	Spouse
    of Purchaser (if applicable)  

 

    -13-

     

    

 

EXHIBIT
A

 

STOCK
POWER

 

Instructions:
Please do not fill in any blanks other than the signature line. The purpose of this Stock Power is to enable the Company
to exercise its repurchase option set forth in the Agreement without requiring additional signatures on the part of Holder.

 

FOR
VALUE RECEIVED, the undersigned (“Holder”), hereby sells, assigns and transfers unto __________________________________________________
(“Transferee”) ___________________ shares of the Class A Common Stock of Momentus Inc., a Delaware corporation
(the “Company”), standing in Holder’s name on the Company’s books as Certificate No. CS-____ whether
held in certificated or uncertificated form, and does hereby irrevocably constitute and appoint ____________________________________
to transfer said stock on the books of the Company with full power of substitution in the premises.

 

	Dated:	 	 	Holder:
	 	 	 
	 	 	 
	 	 	(Print Name)

 

	 	By:	 
	 	 	(Signature)
	 	 	 
	 	Name:	 
	 	Title:	 

 

	 	Address:
	 	 	 	 
	 	 	 	 
	 	 	 	 
	 	Email:	 	 

 

This
Stock Power may only be used as authorized by the Restricted Stock Purchase Agreement between the Holder and the Company, dated
__________ and the exhibits thereto.

 

    -1-

     

    

 

IF
YOU WISH TO MAKE A SECTION 83(B) ELECTION, THE FILING OF SUCH ELECTION IS YOUR RESPONSIBILITY.

 

THE
FORM FOR MAKING THIS SECTION 83(B) ELECTION IS ATTACHED TO THIS AGREEMENT.

 

YOU
MUST FILE THIS FORM WITHIN 30 DAYS OF PURCHASING THE SHARES.

 

YOU
(AND NOT THE COMPANY, ANY OF ITS AGENTS OR ANY OTHER PERSON) SHALL BE SOLELY RESPONSIBLE FOR FILING SUCH FORM WITH THE IRS, EVEN
IF YOU REQUEST THE COMPANY, ITS AGENTS OR ANY OTHER PERSON TO MAKE THIS FILING ON YOUR BEHALF AND EVEN IF THE COMPANY, ANY OF
ITS AGENTS OR ANY OTHER PERSON HAs PREVIOUSLY MADE THIS FILING ON YOUR BEHALF.

 

The
election should be filed by mailing a signed election form by certified mail, return receipt requested to the IRS Service Center
where you file your tax returns. See www.irs.gov.

 

    -2-

     

    

 

EXHIBIT
B

 

ACKNOWLEDGMENT
AND STATEMENT OF DECISION

REGARDING SECTION 83(b) ELECTION

 

The
undersigned has entered into a stock purchase agreement with Momentus Inc., a Delaware corporation (the “Company”),
pursuant to which the undersigned is purchasing __________ shares of Class A Common Stock of the Company (the “Shares”).
In connection with the purchase of the Shares, the undersigned hereby represents as follows:

 

1.
The undersigned has carefully reviewed the stock purchase agreement pursuant to which the undersigned is purchasing the
Shares.

 

2. The
undersigned either [check and complete as applicable]:

 

(a)
___has consulted, and has been fully advised by, the undersigned’s own tax advisor, __________________________, whose
business address is _________________________________________________________, regarding the federal, state and local tax consequences
of purchasing the Shares, and particularly regarding the advisability of making elections pursuant to Section 83(b) of the Internal
Revenue Code of 1986, as amended (the “Code”) and pursuant to the corresponding provisions, if any, of applicable
state law; or

 

(b)
___has knowingly chosen not to consult such a tax advisor.

 

3. The
undersigned hereby states that the undersigned has decided [check as applicable]:

 

(a)
___ to make an election pursuant to Section 83(b) of the Code, and is submitting to the Company, together with the undersigned’s
executed stock purchase agreement, an executed form entitled “Election Under Section 83(b) of the Internal Revenue Code
of 1986;” or

(b)
___ not to make an election pursuant to Section 83(b) of the Code.

 

    -1-

     

    

 

4. Neither
the Company nor any subsidiary or representative of the Company has made any warranty or representation to the undersigned with
respect to the tax consequences of the undersigned’s purchase of the Shares or of the making or failure to make an election
pursuant to Section 83(b) of the Code or the corresponding provisions, if any, of applicable state law.

 

	Dated: _____________________	 	Purchaser:
	 	 	 
	 	 	 
	 	 	(Print
    Name)
	 	 	 
	 	 	 
	 	 	(Signature)
	 	 	 
	 	 	Address:
	 	 	 	 
	 	 	 	 
	 	 	 	 
	 	 	 
	 	 	 
	 	 	Spouse
    of Purchaser (if applicable)

 

    -2-

     

    

 

EXHIBIT
C

 

ELECTION
UNDER SECTION 83(b)

OF THE INTERNAL REVENUE CODE OF 1986

 

The
undersigned taxpayer hereby elects, pursuant to Section 83(b) of the Internal Revenue Code, to include in taxpayer’s gross
income for the current taxable year, the amount of any compensation taxable to taxpayer in connection with taxpayer’s receipt
of the property described below:

 

		1.	The
                                         name, address, taxpayer identification number and taxable year of the undersigned are
                                         as follows:

 

NAME
OF TAXPAYER: ____________________

 

NAME
OF SPOUSE: ____________________

 

ADDRESS:____________________

                   ____________________

 

IDENTIFICATION
NO. OF TAXPAYER: ____________________

 

IDENTIFICATION
NO. OF SPOUSE: ____________________

 

TAXABLE
YEAR: ____________________

 

		2.	The
                                         property with respect to which the election is made is described as follows:

 

____________________
shares of the Class A Common Stock of Momentus Inc., a Delaware corporation (the “Company”).

 

		3.	The
                                         date on which the property was transferred is: ____________________

 

		4.	The
                                         property is subject to the following restrictions:

 

Repurchase
option at cost in favor of the Company upon termination of taxpayer’s employment or consulting relationship.

 

		5.	The
                                         fair market value at the time of transfer, determined without regard to any restriction
                                         other than a restriction which by its terms will never lapse, of such property is: $____________________.

 

		6.	The
                                         amount (if any) paid for such property: [Paid for with property having a value of $____________________
                                         and equivalent to the value of the Shares] OR [$____________________].

 

    -1-

     

    

 

The
undersigned has submitted a copy of this statement to the person for whom the services were performed in connection with the undersigned’s
receipt of the above-described property. The transferee of such property is the person performing the services in connection with
the transfer of said property.

 

The
undersigned understands that the foregoing election may not be revoked except with the consent of the Commissioner.

 

	Dated: _____________________	 	Purchaser:
	 	 	 
	 	 	 
	 	 	(Print
    Name)
	 	 	 
	 	 	 
	 	 	(Signature)
	 	 	 
	 	 	Address:
	 	 	 	 
	 	 	 	 
	 	 	 	 
	 	 	 
	 	 	 
	 	 	Spouse
    of Purchaser (if applicable)

  

    -2-

     

    

 

RECEIPT

 

Momentus
Inc., a Delaware corporation (the “Company”), hereby acknowledges receipt of:

 

_____A
check in the amount of USD$__________

 

_____The
assignment of certain intellectual property and/or other assets having an aggregate value equal to at least USD$__________

 

given
by ____________________ as consideration for __________ shares of Class A Common Stock of the Company recorded on the books of
the Company as Certificate No. _________.

 

	Dated:		 	The Company:
	 	 	 	 
	 	 	 	Momentus Inc.

	 	 	 	 
	 	 	 	By:	 
	 	 	 	 	Mikhail Kokorich 
	 	 	 	 	President, Chief Executive Officer,

 Treasurer, and Chief
Financial Officer 

 

    -1-

     

    

 

RECEIPT
AND CONSENT

 

The
undersigned hereby acknowledges receipt of __________ shares of Class A Common Stock of Momentus Inc., a Delaware corporation
(the “Company”).

 

The
undersigned further acknowledges that the Secretary of the Company, or his or her designee, is acting as escrow holder pursuant
to the Restricted Stock Purchase Agreement that Purchaser has previously entered into with the Company. As escrow holder, the
Secretary of the Company, or his or her designee, holds the aforementioned certificate issued in the undersigned’s name.

 

	Dated: _____________________	 	Purchaser:
	 	 	 
	 	 	 
	 	 	(Print
    Name)
	 	 	 
	 	 	By: 	             
	 	 	(Signature)
	 	 	 
	 	 	Name :	 
	 	 	Title :	 

 

	 	Address:
	 		 
	 	 	 
	 	 	 
	 	 
	 	 
	 	Spouse
    of Purchaser (if applicable)

 

 

-1-

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