Document:

EX-10.3

 Exhibit 10.3 

AMENDMENT NO. 1 TO 

XOMETRY, INC. 

2016 EQUITY INCENTIVE PLAN 

A.    XOMETRY, INC., a corporation organized under the laws of the State of
Delaware (the “Company”) established the Company’s 2016 Equity Incentive Plan (the “Plan”); 

B.     The Plan currently provides for 1,634,926 shares of Common Stock to be reserved for issuance under the Plan;
and 
 C.    The Company now wishes to amend the Plan to increase the number of shares of Common Stock reserved
for issuance under the Plan to an aggregate of 1,953,236 shares. 
 Effective immediately, the Plan is amended as follows: 

1.    The reference to “1,634,926 shares” in Section 3(a)(i) of the Plan is hereby amended to reference
“1,953,236 shares”. 
 2.    In all other respects the Plan will remain the same. 

[SIGNATURE PAGE FOLLOWS] 

 I hereby certify that the foregoing amendment to the Plan was duly adopted by the Board of
Directors of the Company as of June 9, 2017. 
  

	
	 /s/ Laurence Zuriff

	Laurence Zuriff
	Chief Financial Officer

 * * * * 

I hereby certify that the foregoing amendment to the Plan was duly approved by the Stockholders of the Company as of June 9, 2017. 

 

	
	 /s/ Laurence Zuriff

	Laurence Zuriff
	Chief Financial Officer

  
 [SIGNATURE
PAGE TO AMENDMENT NO. 1 TO 2016 EQUITY INCENTIVE PLAN]EX-10.4

 Exhibit 10.4 

AMENDMENT NO. 2 TO 

XOMETRY, INC. 

2016 EQUITY INCENTIVE PLAN 

A.    XOMETRY, INC., a corporation organized under the laws of the State of
Delaware (the “Company”) established the Company’s 2016 Equity Incentive Plan (the “Plan”); 

B.     The Plan currently provides for an aggregate of 1,953,236 shares of Common Stock to be reserved for issuance
under the Plan; and 
 C.    The Company now wishes to amend the Plan to increase the number of shares of Common
Stock reserved for issuance under the Plan to an aggregate of 2,147,233 shares. 
 Effective immediately, Section 3(a)(i) of the Plan
is amended and restated in its entirety as follows: 
 1.    Effective immediately, Section 3(a)(i) of the Plan is
amended and restated in its entirety as follows: 
 “Subject to Section 9(a) relating to Capitalization
Adjustments, the aggregate number of shares of Common Stock that may be issued pursuant to Stock Awards from and after the Effective Date will not exceed 2,147,233 shares (the
“Share Reserve”), which number includes the sum of (x) 1,363,826 shares available for issuance under the Prior Plan as of 12:01 a.m. Eastern time on the Effective Date plus (y) such
number of shares, up to a maximum of 271,100 shares of Common Stock, subject to outstanding stock awards granted under the Prior Plan as of 12:01 a.m. Eastern time on the Effective Date that (1) expire or terminate for any reason prior to
exercise or settlement or without all shares covered by such award having been issued; (2) are forfeited, cancelled or otherwise returned to the Company because of the failure to meet a contingency or condition required to vest such shares; or
(3) are reacquired, repurchased or withheld (or not issued) to satisfy a tax withholding obligation in connection with an award or to satisfy the purchase price or exercise price of a stock award (such shares, the “Returning
Shares”), as and to the extent such Returning Shares become available from time to time.” 
 2.    In
all other respects the Plan will remain the same. 
 [SIGNATURE PAGE FOLLOWS] 

 I hereby certify that the foregoing amendment to the Plan was duly adopted by the Board of
Directors of the Company as of June 27, 2017. 
  

	
	 /s/ Laurence Zuriff

	Laurence Zuriff
	Chief Financial Officer

 * * * * 

I hereby certify that the foregoing amendment to the Plan was duly approved by the Stockholders of the Company as of June 30, 2017. 

 

	
	 /s/ Laurence Zuriff

	Laurence Zuriff
	Chief Financial Officer

 [SIGNATURE PAGE TO AMENDMENT
NO. 2 TO 2016 EQUITY INCENTIVE PLAN]EX-10.5

 Exhibit 10.5 

Execution Version 

AMENDMENT NO. 3 TO 

XOMETRY, INC. 

2016 EQUITY INCENTIVE PLAN 

A.    XOMETRY, INC., a corporation organized under the laws of the State of
Delaware (the “Company”) established the Company’s 2016 Equity Incentive Plan (the “Plan”); 

B.     The Plan currently provides for an aggregate of 2,147,233 shares of Common Stock to be reserved for issuance
under the Plan; and 
 C.    The Company now wishes to amend the Plan to increase the number of shares of Common
Stock reserved for issuance under the Plan to an aggregate of 3,348,816 shares. 
 Effective immediately, the Plan is amended as follows:

 1.    The reference to “2,147,233 shares” in Section 3(a)(i) of the Plan is hereby amended to
reference “3,348,816 shares”. 
 2.    In all other respects the Plan will remain the same. 

[SIGNATURE PAGE FOLLOWS] 

 I hereby certify that the foregoing amendment to the Plan was duly adopted by the Board of
Directors of the Company as of June 28, 2018. 
  

	
	 /s/ Laurence Zuriff

	Laurence Zuriff
	Chief Financial Officer

 * * * * 

I hereby certify that the foregoing amendment to the Plan was duly approved by the Stockholders of the Company as of June 28, 2018. 

 

	
	 /s/ Laurence Zuriff

	Laurence Zuriff
	Chief Financial OfficerEX-10.6

 Exhibit 10.6 

AMENDMENT NO. 4 TO 

XOMETRY, INC. 

2016 EQUITY INCENTIVE PLAN 

A.    XOMETRY, INC., a corporation organized under the laws of the State of
Delaware (the “Company”) established the Company’s 2016 Equity Incentive Plan (the “Plan”); 

B.     The Plan currently provides for an aggregate of 3,348,816 shares of Common Stock to be reserved for issuance
under the Plan; and 
 C.    The Company now wishes to amend the Plan to increase the number of shares of Common
Stock reserved for issuance under the Plan to an aggregate of 4,409,816 shares. 
 Effective immediately, the Plan is amended as follows:

 1.    The reference to “3,348,816 shares” in Section 3(a)(i) of the Plan is hereby amended to
reference “4,409,816 shares”. 
 2.    In all other respects the Plan will remain the same. 

[SIGNATURE PAGE FOLLOWS] 

 I hereby certify that the foregoing amendment to the Plan was duly adopted by the Board of
Directors of the Company as of April 30, 2019. 
  

	
	 /s/ Laurence Zuriff

	Laurence Zuriff
	Chief Financial Officer

 * * * * 

I hereby certify that the foregoing amendment to the Plan was duly approved by the Stockholders of the Company as of April 30, 2019. 

 

	
	 /s/ Laurence Zuriff

	Laurence Zuriff
	Chief Financial OfficerEX-10.7

 Exhibit 10.7 

AMENDMENT NO. 5 TO 

XOMETRY, INC. 

2016 EQUITY INCENTIVE PLAN 

A.    XOMETRY, INC., a corporation organized under the laws of the State of
Delaware (the “Company”) established the Company’s 2016 Equity Incentive Plan (as amended, the “Plan”); 

B.     The Plan currently provides for an aggregate of 4,409,816 shares of Common Stock to be reserved for issuance
under the Plan; and 
 C.    The Company now wishes to amend the Plan to increase the number of shares of Common
Stock reserved for issuance under the Plan to an aggregate of 5,694,149 shares. 
 Effective immediately, Section 3(a)(i) of the Plan
is amended and restated in its entirety as follows: 
 1.    Effective immediately, Section 3(a)(i) of the Plan is
amended and restated in its entirety as follows: 
 “Subject to Section 9(a) relating to Capitalization
Adjustments, the aggregate number of shares of Common Stock that may be issued pursuant to Stock Awards from and after the Effective Date will not exceed 5,694,149 shares (the
“Share Reserve”), which number includes the sum of (x) 1,363,826 shares available for issuance under the Prior Plan as of 12:01 a.m. Eastern time on the Effective Date plus (y) such
number of shares, up to a maximum of 271,100 shares of Common Stock, subject to outstanding stock awards granted under the Prior Plan as of 12:01 a.m. Eastern time on the Effective Date that (1) expire or terminate for any reason prior to
exercise or settlement or without all shares covered by such award having been issued; (2) are forfeited, cancelled or otherwise returned to the Company because of the failure to meet a contingency or condition required to vest such shares; or
(3) are reacquired, repurchased or withheld (or not issued) to satisfy a tax withholding obligation in connection with an award or to satisfy the purchase price or exercise price of a stock award (such shares, the “Returning
Shares”), as and to the extent such Returning Shares become available from time to time.” 
 2.    In
all other respects the Plan will remain the same. 
 [SIGNATURE PAGE FOLLOWS] 

 I hereby certify that the foregoing amendment to the Plan was duly adopted by the Board of
Directors of the Company as of March 26, 2021. 
  

	
	 /s/ Laurence Zuriff

	Randolph Altschuler
	Chief Executive Officer

 * * * * 

I hereby certify that the foregoing amendment to the Plan was duly approved by the Stockholders of the Company as of March 26, 2021. 

 

	
	 /s/ Laurence Zuriff

	Randolph Altschuler
	Chief Executive OfficerEX-10.8

 Exhibit 10.8 

XOMETRY, INC. 
 STOCK
OPTION GRANT NOTICE 
 (2016 EQUITY INCENTIVE PLAN) 

XOMETRY, INC. (the “Company”), pursuant to its 2016 Equity Incentive Plan, as may be amended from
time to time (the “Plan”), hereby grants to Optionholder an option to purchase the number of shares of the Company’s Common Stock set forth below. This option is subject to all of the terms and conditions as set forth in
this notice, in the Option Agreement, the Plan and the Notice of Exercise, all of which are attached hereto and incorporated herein in their entirety. Capitalized terms not explicitly defined herein but defined in the Plan or the Option Agreement
will have the same definitions as in the Plan or the Option Agreement. If there is any conflict between the terms in this notice and the Plan, the terms of the Plan will control. 

 

							
		 	 Optionholder:
	 	  
	 	
		 	 Date of Grant:
	 	  
	 	
		 	 Vesting Commencement Date:
	 	  
	 	
		 	 Number of Shares Subject to Option:
	 	  
	 	
		 	 Exercise Price (Per Share):
	 	  
	 	
		 	 Total Exercise Price:
	 	  
	 	
		 	 Expiration Date:
	 	  
	 	

 Type of Grant:          ☐ Incentive Stock Option1             ☐ Nonstatutory Stock Option 

Exercise Schedule:    ☐ Same as Vesting Schedule         ☐ Early Exercise
Permitted 
  

	Vesting Schedule:	 [Sample of standard vesting. One-fourth (1/4th) of the shares vest one year after the Vesting Commencement Date; the balance of the shares vest in a series of 36 successive equal monthly installments measured from the first anniversary of the
Vesting Commencement Date, subject to Optionholder’s Continuous Service as of each such date.] 

  

	Payment:	 By one or a combination of the following items (described in the Option Agreement): 

☒    By cash, check, bank draft or money order payable to the Company 

☒    Pursuant to a Regulation T Program if the shares are publicly traded 

☒    By delivery of already-owned shares if the shares are publicly traded 

☐    By deferred payment (subject to the Company’s consent at the time of exercise) 

☐    If and only to the extent this option is a Nonstatutory Stock Option, and subject to the Company’s consent
at the time of exercise, by a “net exercise” arrangement 
  

	1 	 If this is an Incentive Stock Option, it (plus other outstanding Incentive Stock Options) cannot be first
exercisable for more than $100,000 in value (measured by exercise price) in any calendar year. Any excess over $100,000 is a Nonstatutory Stock Option. 

 Additional Terms/Acknowledgements: Optionholder acknowledges receipt of, and understands and agrees
to, this Stock Option Grant Notice, the Option Agreement and the Plan. Optionholder acknowledges and agrees that this Stock Option Grant Notice and the Option Agreement may not be modified, amended or revised except as provided in the Plan.
Optionholder further acknowledges that as of the Date of Grant, this Stock Option Grant Notice, the Option Agreement, and the Plan set forth the entire understanding between Optionholder and the Company regarding this option award and supersede
all prior oral and written agreements, promises and/or representations on that subject with the exception of (i) options previously granted and delivered to Optionholder, and (ii) the following agreements only. 

 

			
	 OTHER AGREEMENTS:
	  	  

		  	  

		  	  

 By accepting this option, you consent to receive such documents by electronic delivery and to participate in the Plan through
an on-line or electronic system established and maintained by the Company or another third party designated by the Company. 
  

			
	 XOMETRY, INC.
  

By:                         
                                         
                  

Signature            

 

Title:                         
                                         
              
  

Date:                         
                                         
              
	  	 OPTIONHOLDER:
  

                          
                                         
                 

Signature            

 

Date:                         
                                         
          

 ATTACHMENTS: Option Agreement, 2016 Equity Incentive Plan, Notice of Exercise and Voting
Agreement 

 ATTACHMENT I 

OPTION AGREEMENT 

 XOMETRY, INC. 

2016 EQUITY INCENTIVE PLAN 

OPTION AGREEMENT 

(INCENTIVE STOCK OPTION OR NONSTATUTORY STOCK OPTION) 

Pursuant to your Stock Option Grant Notice (“Grant Notice”) and this Option Agreement, XOMETRY,
INC. (the “Company”) has granted you an option under its 2016 Equity Incentive Plan (the “Plan”) to purchase the number of shares of the Company’s Common Stock indicated in your
Grant Notice at the exercise price indicated in your Grant Notice. The option is granted to you effective as of the date of grant set forth in the Grant Notice (the “Date of Grant”). If there is any conflict between the terms
in this Option Agreement and the Plan, the terms of the Plan will control. Capitalized terms not explicitly defined in this Option Agreement or in the Grant Notice but defined in the Plan will have the same definitions as in the Plan. 

The details of your option, in addition to those set forth in the Grant Notice and the Plan, are as follows: 

1. VESTING. Your option will vest as provided in your Grant Notice. Vesting will cease upon the
termination of your Continuous Service. 
 2. NUMBER OF SHARES AND
EXERCISE PRICE. The number of shares of Common Stock subject to your option and your exercise price per share in your Grant Notice will be adjusted for Capitalization Adjustments. 

3. EXERCISE RESTRICTION FOR
NON-EXEMPT EMPLOYEES. If you are an Employee eligible for overtime compensation under the Fair Labor Standards Act of 1938, as amended (that is,
a “Non-Exempt Employee”), and except as otherwise provided in the Plan, you may not exercise your option until you have completed at least six months of Continuous Service measured from
the Date of Grant, even if you have already been an employee for more than six months. Consistent with the provisions of the Worker Economic Opportunity Act, you may exercise your option as to any vested portion prior to such six month anniversary
in the case of (i) your death or disability, (ii) a Corporate Transaction in which your option is not assumed, continued or substituted, (iii) a Change in Control or (iv) your termination of Continuous Service on your
“retirement” (as defined in the Company’s benefit plans). 
 4. EXERCISE PRIOR
TO VESTING (“EARLY EXERCISE”). If permitted in your Grant Notice (i.e., the “Exercise Schedule” indicates “Early Exercise Permitted”) and subject to
the provisions of your option, you may elect at any time that is both (i) during the period of your Continuous Service and (ii) during the term of your option, to exercise all or part of your option, including the unvested portion of your
option; provided, however, that: 
 (a) a partial exercise of your option will be deemed to cover first vested shares of Common
Stock and then the earliest vesting installment of unvested shares of Common Stock; 
 (b) you will enter into the Company’s form
of Early Exercise Restricted Stock Purchase Agreement with a vesting schedule that will result in the same vesting as if no early exercise had occurred 

 (c) any shares of Common Stock so purchased from installments that have not vested as
of the date of exercise will be subject to the purchase option in favor of the Company as described in the Company’s form of Early Exercise Restricted Stock Purchase Agreement; and 

(d) if your option is an Incentive Stock Option, then, to the extent that the aggregate Fair Market Value (determined at the Date of
Grant) of the shares of Common Stock with respect to which your option plus all other Incentive Stock Options you hold are exercisable for the first time by you during any calendar year (under all plans of the Company and its Affiliates) exceeds
$100,000, your option(s) or portions thereof that exceed such limit (according to the order in which they were granted) will be treated as Nonstatutory Stock Options. 

5. METHOD OF PAYMENT. You must pay the full amount of the exercise
price for the shares you wish to exercise. You may pay the exercise price in cash or by check, bank draft or money order payable to the Company or in any other manner permitted by your Grant Notice, which may include one or more of the
following: 
 (a) Provided that at the time of exercise the Common Stock is publicly traded, pursuant to a program developed under
Regulation T as promulgated by the Federal Reserve Board that, prior to the issuance of Common Stock, results in either the receipt of cash (or check) by the Company or the receipt of irrevocable instructions to pay the aggregate exercise price to
the Company from the sales proceeds. This manner of payment is also known as a “broker-assisted exercise”, “same day sale”, or “sell to cover”. 

(b) Provided that at the time of exercise the Common Stock is publicly traded, by delivery to the Company (either by actual delivery or
attestation) of already-owned shares of Common Stock that are owned free and clear of any liens, claims, encumbrances or security interests, and that are valued at Fair Market Value on the date of exercise. “Delivery” for these purposes,
in the sole discretion of the Company at the time you exercise your option, will include delivery to the Company of your attestation of ownership of such shares of Common Stock in a form approved by the Company. You may not exercise your option by
delivery to the Company of Common Stock if doing so would violate the provisions of any law, regulation or agreement restricting the redemption of the Company’s stock. 

(c) If this option is a Nonstatutory Stock Option, subject to the consent of the Company at the time of exercise, by a “net
exercise” arrangement pursuant to which the Company will reduce the number of shares of Common Stock issued upon exercise of your option by the largest whole number of shares with a Fair Market Value that does not exceed the aggregate exercise
price. You must pay any remaining balance of the aggregate exercise price not satisfied by the “net exercise” in cash or other permitted form of payment. Shares of Common Stock will no longer be outstanding under your option and will not
be exercisable thereafter if those shares (i) are used to pay the exercise price pursuant to the “net exercise,” (ii) are delivered to you as a result of such exercise, and (iii) are withheld to satisfy your tax withholding
obligations. 
 (d) Pursuant to the following deferred payment alternative: 

(i) Not less than 100% of the aggregate exercise price, plus accrued interest, shall be due four years from date of exercise or, at the
Company’s election, upon termination of your Continuous Service. 
 (ii) Interest shall be compounded at least annually and
shall be charged at the minimum rate of interest necessary to avoid (1) the treatment as interest, under any applicable provisions of the Code, of any amounts other than amounts stated to be interest under the deferred payment arrangement and
(2) the classification of your option as a liability for financial accounting purposes. 

 (e) To elect the deferred payment alternative, you must, as a part of your written
notice of exercise, give notice of the election of this payment alternative and, in order to secure the payment of the deferred exercise price to the Company hereunder, if the Company so requests, you must tender to the Company a promissory note and
a pledge agreement covering the purchased shares of Common Stock, both in form and substance satisfactory to the Company, or such other or additional documentation as the Company may request. 

6. WHOLE SHARES. You may exercise your option only for whole shares of Common
Stock. 
 7. SECURITIES LAW COMPLIANCE. In no event may you
exercise your option unless the shares of Common Stock issuable upon exercise are then registered under the Securities Act or, if not registered, the Company has determined that your exercise and the issuance of the shares would be exempt from the
registration requirements of the Securities Act. The exercise of your option also must comply with all other applicable laws and regulations governing your option, and you may not exercise your option if the Company determines that such exercise
would not be in material compliance with such laws and regulations (including any restrictions on exercise required for compliance with Treas. Reg. 1.401(k)-1(d)(3), if applicable). 

8. TERM. You may not exercise your option before the Date of Grant or after the expiration of the
option’s term. The term of your option expires, subject to the provisions of Section 5(h) of the Plan, upon the earliest of the following: 

(a) immediately upon the termination of your Continuous Service for Cause; 

(b) three months after the termination of your Continuous Service for any reason other than Cause, your Disability or your death
(except as otherwise provided in Section 8(d) below); provided, however, that if during any part of such three month period your option is not exercisable solely because of the condition set forth in the section above relating to
“Securities Law Compliance,” your option will not expire until the earlier of the Expiration Date or until it has been exercisable for an aggregate period of three months after the termination of your Continuous Service; provided
further, that if (i) you are a Non-Exempt Employee, (ii) your Continuous Service terminates within six months after the Date of Grant, and (iii) you have vested in a portion of your option
at the time of your termination of Continuous Service, your option will not expire until the earlier of (x) the later of (A) the date that is seven months after the Date of Grant, and (B) the date that is three months after the
termination of your Continuous Service, and (y) the Expiration Date; 
 (c) 12 months after the termination of your Continuous
Service due to your Disability (except as otherwise provided in Section 8(d)) below; 
 (d) 18 months after your death if you die
either during your Continuous Service or within three (3) months after your Continuous Service terminates for any reason other than Cause; 

(e) the Expiration Date indicated in your Grant Notice; or 

(f) the day before the 10th anniversary of the Date of Grant. 

 If your option is an Incentive Stock Option, note that to obtain the federal income tax
advantages associated with an Incentive Stock Option, the Code requires that at all times beginning on the Date of Grant and ending on the day three months before the date of your option’s exercise, you must be an employee of the Company or an
Affiliate, except in the event of your death or Disability. The Company has provided for extended exercisability of your option under certain circumstances for your benefit but cannot guarantee that your option will necessarily be treated as an
Incentive Stock Option if you continue to provide services to the Company or an Affiliate as a Consultant or Director after your employment terminates or if you otherwise exercise your option more than three months after the date your employment
with the Company or an Affiliate terminates. 
 9. EXERCISE. 

(a) You may exercise the vested portion of your option (and the unvested portion of your option if your Grant Notice so permits) during
its term by (i) delivering a Notice of Exercise (in a form designated by the Company) or completing such other documents and/or procedures designated by the Company for exercise and (ii) paying the exercise price and any applicable
withholding taxes to the Company’s Secretary, stock plan administrator, or such other person as the Company may designate, together with such additional documents as the Company may then require. 

(b) By exercising your option you agree that, as a condition to any exercise of your option, the Company may require you and you hereby
agree to enter into an arrangement providing for the payment by you to the Company of any tax withholding obligation of the Company arising by reason of (i) the exercise of your option, (ii) the lapse of any substantial risk of forfeiture
to which the shares of Common Stock are subject at the time of exercise, or (iii) the disposition of shares of Common Stock acquired upon such exercise. 

(c) If your option is an Incentive Stock Option, by exercising your option you agree that you will notify the Company in writing within
15 days after the date of any disposition of any of the shares of the Common Stock issued upon exercise of your option that occurs within two years after the Date of Grant or within one year after such shares of Common Stock are transferred upon
exercise of your option. 
 (d) By exercising your option you agree that you will not sell, dispose of, transfer, make any short sale
of, grant any option for the purchase of, or enter into any hedging or similar transaction with the same economic effect as a sale with respect to any shares of Common Stock or other securities of the Company held by you, for a period of 180 days
following the effective date of a registration statement of the Company filed under the Securities Act or such longer period as the underwriters or the Company will request to facilitate compliance with FINRA Rule 2711 or NYSE Member Rule 472 or any
successor or similar rules or regulation (the “Lock-Up Period”); provided, however, that nothing contained in this section will prevent the exercise of a repurchase option, if
any, in favor of the Company during the Lock-Up Period. You further agree to execute and deliver such other agreements as may be reasonably requested by the Company or the underwriters that are consistent with
the foregoing or that are necessary to give further effect thereto. In order to enforce the foregoing covenant, the Company may impose stop-transfer instructions with respect to your shares of Common Stock until the end of such period. You also
agree that any transferee of any shares of Common Stock (or other securities) of the Company held by you will be bound by this Section 9(d). The underwriters of the Company’s stock are intended third party beneficiaries of this
Section 9(d) and will have the right, power and authority to enforce the provisions hereof as though they were a party hereto. 

(e) Without limiting the generality of the foregoing, you agree that at the request of the Company at any time and/or as a condition to
any exercise of your option, you shall execute and deliver any applicable securityholders’ agreement, investor rights agreement, voting agreement, drag-along agreement, right of first refusal and co-sale
agreement or similar agreement (or a joinder thereto) that the Company and/or the holders of its capital securities or options may enter into or that otherwise that may be in effect from time to time (and which may contain, among other provisions,
additional restrictions on transfer rights of repurchase in favor of the Company) (collectively, the “Securityholders’ Documents”). 

 10. TRANSFERABILITY. Except as otherwise
provided in this Section 10, your option is not transferable, except by will or by the laws of descent and distribution, and is exercisable during your life only by you. 

(a) Certain Trusts. Upon receiving written permission from the Board or its duly authorized designee, you may transfer your
option to a trust if you are considered to be the sole beneficial owner (determined under Section 671 of the Code and applicable state law) while the option is held in the trust. You and the trustee must enter into transfer and other agreements
required by the Company. 
 (b) Domestic Relations Orders. Upon receiving written permission from the Board or its duly
authorized designee, and provided that you and the designated transferee enter into transfer and other agreements required by the Company, you may transfer your option pursuant to the terms of a domestic relations order, official marital settlement
agreement or other divorce or separation instrument as permitted by Treasury Regulation 1.421-1(b)(2) that contains the information required by the Company to effectuate the transfer. You are encouraged to
discuss the proposed terms of any division of this option with the Company prior to finalizing the domestic relations order or marital settlement agreement to help ensure the required information is contained within the domestic relations order or
marital settlement agreement. If this option is an Incentive Stock Option, this option may be deemed to be a Nonstatutory Stock Option as a result of such transfer. 

(c) Beneficiary Designation. Upon receiving written permission from the Board or its duly authorized designee, you may, by
delivering written notice to the Company, in a form approved by the Company and any broker designated by the Company to handle option exercises, designate a third party who, on your death, will thereafter be entitled to exercise this option and
receive the Common Stock or other consideration resulting from such exercise. In the absence of such a designation, your executor or administrator of your estate will be entitled to exercise this option and receive, on behalf of your estate, the
Common Stock or other consideration resulting from such exercise. 
 11. RIGHT OF
REPURCHASE. To the extent provided in the Company’s bylaws and/or Securityholders’ Documents in effect at such time the Company elects to exercise its right, the Company will have the right to repurchase
all or any part of the shares of Common Stock you acquire pursuant to the exercise of your option. 
 12. OPTION
NOT A SERVICE CONTRACT. Your option is not an employment or service contract, and nothing in your option will be deemed to create in any way whatsoever any obligation on
your part to continue in the employ of the Company or an Affiliate, or of the Company or an Affiliate to continue your employment. In addition, nothing in your option will obligate the Company or an Affiliate, their respective stockholders, boards
of directors, officers or employees to continue any relationship that you might have as a Director or Consultant for the Company or an Affiliate. 

13. WITHHOLDING OBLIGATIONS. 

(a) At the time you exercise your option, in whole or in part, and at any time thereafter as requested by the Company, you hereby
authorize withholding from payroll and any other amounts payable to you, and otherwise agree to make adequate provision for (including by means of a “same day sale” pursuant to a program developed under Regulation T as promulgated by the
Federal Reserve Board to the extent permitted by the Company), any sums required to satisfy the federal, state, local and foreign tax withholding obligations of the Company or an Affiliate, if any, which arise in connection with the exercise of your
option. 

 (b) If this option is a Nonstatutory Stock Option, then upon your request and subject
to approval by the Company, and compliance with any applicable legal conditions or restrictions, the Company may withhold from fully vested shares of Common Stock otherwise issuable to you upon the exercise of your option a number of whole shares of
Common Stock having a Fair Market Value, determined by the Company as of the date of exercise, not in excess of the minimum amount of tax required to be withheld by law (or such lower amount as may be necessary to avoid classification of your option
as a liability for financial accounting purposes). If the date of determination of any tax withholding obligation is deferred to a date later than the date of exercise of your option, share withholding pursuant to the preceding sentence shall not be
permitted unless you make a proper and timely election under Section 83(b) of the Code, covering the aggregate number of shares of Common Stock acquired upon such exercise with respect to which such determination is otherwise deferred, to
accelerate the determination of such tax withholding obligation to the date of exercise of your option. Notwithstanding the filing of such election, shares of Common Stock shall be withheld solely from fully vested shares of Common Stock determined
as of the date of exercise of your option that are otherwise issuable to you upon such exercise. Any adverse consequences to you arising in connection with such share withholding procedure shall be your sole responsibility. 

(c) You may not exercise your option unless the tax withholding obligations of the Company and/or any Affiliate are satisfied.
Accordingly, you may not be able to exercise your option when desired even though your option is vested, and the Company will have no obligation to issue a certificate for such shares of Common Stock or release such shares of Common Stock from any
escrow provided for herein, if applicable, unless such obligations are satisfied. 
 14. TAX
CONSEQUENCES. You hereby agree that the Company does not have a duty to design or administer the Plan or its other compensation programs in a manner that minimizes your tax liabilities. You will not make any claim
against the Company, or any of its Officers, Directors, Employees or Affiliates related to tax liabilities arising from your option or your other compensation. In particular, you acknowledge that this option is exempt from Section 409A of the
Code only if the exercise price per share specified in the Grant Notice is at least equal to the “fair market value” per share of the Common Stock on the Date of Grant and there is no other impermissible deferral of compensation associated
with the option. Because the Common Stock is not traded on an established securities market, the Fair Market Value is determined by the Board, perhaps in consultation with an independent valuation firm retained by the Company. You acknowledge that
there is no guarantee that the Internal Revenue Service will agree with the valuation as determined by the Board, and you will not make any claim against the Company, or any of its Officers, Directors, Employees or Affiliates in the event that the
Internal Revenue Service asserts that the valuation determined by the Board is less than the “fair market value” as subsequently determined by the Internal Revenue Service. 

15. NOTICES. Any notices provided for in your option or the Plan will be given in writing
(including electronically) and will be deemed effectively given upon receipt or, in the case of notices delivered by mail by the Company to you, five days after deposit in the United States mail, postage prepaid, addressed to you at the last address
you provided to the Company. The Company may, in its sole discretion, decide to deliver any documents related to participation in the Plan and this option by electronic means or to request your consent to participate in the Plan by electronic means.
By accepting this option, you consent to receive such documents by electronic delivery and to participate in the Plan through an on-line or electronic system established and maintained by the Company or
another third party designated by the Company. 

 16. GOVERNING PLAN
DOCUMENT. Your option is subject to all the provisions of the Plan, the provisions of which are hereby made a part of your option, and is further subject to all interpretations, amendments, rules and regulations,
which may from time to time be promulgated and adopted pursuant to the Plan. If there is any conflict between the provisions of your option and those of the Plan, the provisions of the Plan will control. 

 ATTACHMENT II 

2016 EQUITY INCENTIVE PLAN 

 ATTACHMENT III 

NOTICE OF EXERCISE 

 XOMETRY, INC. 

NOTICE OF EXERCISE 
 Xometry, Inc. 

7951 Cessna Avenue 
 Gaithersburg, MD 20879 

Date of Exercise: _______________ 

This constitutes notice to XOMETRY, INC. (the “Company”) under my stock option
that I elect to purchase the below number of shares of Common Stock of the Company (the “Shares”) for the price set forth below. 
  

							
	 Type of option (check one):
	  	Incentive ☐	  	Nonstatutory ☐	  	
				
	 Stock option dated:
	  	                              	  	                              	  	
				
	 Number of Shares as

to which option is

exercised:
	  	                              	  	                              	  	
				
	 Certificates to be issued in name of:
	  	                              	  	                              	  	
				
	 Total exercise price:
	  	$______________	  	$______________	  	
				
	 Cash payment delivered

herewith:
	  	$______________	  	$______________	  	
				
	 Regulation T Program (cashless exercise2)
	  	$______________	  	$______________	  	
				
	 Value of _________ Shares delivered herewith3:
	  	$______________	  	$______________	  	
				
	 [Promissory note delivered herewith]:
	  	$______________	  	$______________	  	

 By this exercise, I agree (i) to provide such additional documents as you may require pursuant to the
terms of the 2016 Equity Incentive Plan, (ii) to provide for the payment by me to you (in the manner designated by you) of your withholding obligation, if any, relating to the exercise of this option, and (iii) if this exercise relates to
an incentive stock option, to notify you in writing within 15 days after the date of any disposition of any of the Shares issued upon exercise of this option that occurs within two years after the date of grant of this option or within one year
after such Shares are issued upon exercise of this option. 
 I hereby make the following certifications and representations with respect to
the number of Shares listed above, which are being acquired by me for my own account upon exercise of the option as set forth above: 
  

 
  

	2 	 Shares must meet the public trading requirements set forth in the option agreement. 

	3 	 Shares must meet the public trading requirements set forth in the option. Shares must be valued in accordance
with the terms of the option being exercised, and must be owned free and clear of any liens, claims, encumbrances or security interests. Certificates must be endorsed or accompanied by an executed assignment separate from certificate.

 I acknowledge that the Shares have not been registered under the Securities Act of 1933, as
amended (the “Securities Act”), and are deemed to constitute “restricted securities” under Rule 701 and Rule 144 promulgated under the Securities Act. I warrant and represent to the Company that I have no present
intention of distributing or selling said Shares, except as permitted under the Securities Act and any applicable state securities laws. 

I further acknowledge that I will not be able to resell the Shares for at least 90 days after the stock of the Company becomes publicly traded
(i.e., subject to the reporting requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934) under Rule 701 and that more restrictive conditions apply to affiliates of the Company under Rule 144. 

I further acknowledge that all certificates representing any of the Shares subject to the provisions of the option shall have endorsed thereon
appropriate legends reflecting the foregoing limitations, as well as any legends reflecting restrictions pursuant to the Company’s Articles of Incorporation, Bylaws and/or applicable securities laws. 

I further agree that, if required by the Company (or a representative of the underwriters) in connection with the first underwritten
registration of the offering of any securities of the Company under the Securities Act, I will not sell, dispose of, transfer, make any short sale of, grant any option for the purchase of, or enter into any hedging or similar transaction with the
same economic effect as a sale with respect to any shares of Common Stock or other securities of the Company for a period of one hundred 180 days following the effective date of a registration statement of the Company filed under the Securities Act
(or such longer period as the underwriters or the Company shall request to facilitate compliance with FINRA Rule 2711 or NYSE Member Rule 472 or any successor or similar rule or regulation) (the
“Lock-Up Period”). I further agree to execute and deliver such other agreements as may be reasonably requested by the Company or the underwriters that are consistent with the foregoing
or that are necessary to give further effect thereto. In order to enforce the foregoing covenant, the Company may impose stop-transfer instructions with respect to securities subject to the foregoing
restrictions until the end of such period. 
 Very truly
yours,                                        

  

					
		 		  	  
 (Signature)

 

		 		  	 Name (Please Print)
  

		 	Address of Record:

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