Document:

EX-10.2

 Exhibit 10.2 

ONE STOP SYSTEMS, INC. 

2000 STOCK OPTION PLAN 
 1.
ESTABLISHMENT, PURPOSE AND TERM OF PLAN. 

1.1 Establishment. The One Stop Systems, Inc. 2000 Stock Option Plan (the “Plan”) is hereby
established effective as of January 1, 2000. 
 1.2 Purpose. The purpose of the Plan is to advance the interests of the Participating
Company Group and its stockholders by providing an incentive to attract and retain persons performing services for the Participating Company Group and by motivating such persons to contribute to the growth and profitability of the Participating
Company Group. 
 1.3 Term of Plan. The Plan shall continue in effect until the earlier of its termination by the Board or the date
on which all of the shares of Stock available for issuance under the Plan have been issued and all restrictions on such shares under the terms of the Plan and the agreements evidencing Options granted under the Plan have lapsed. However, all Options
shall be granted, if at all, within ten (10) years from the earlier of the date the Plan is adopted by the Board or the date the Plan is duly approved by the stockholders of the Company. 

2. DEFINITIONS AND CONSTRUCTION. 

2.1 Definitions. Whenever used herein, the following terms shall have their respective meanings set forth below: 

(a) “Board” means the Board of Directors of the Company. If one or more Committees have been appointed by the Board to
administer the Plan, “Board” also means such Committee(s). 
 (b) “Code” means the Internal
Revenue Code of 1986, as amended, and any applicable regulations promulgated thereunder. 
 (c) “Committee” means
the Compensation Committee or other committee of the Board duly appointed to administer the Plan and having such powers as shall be specified by the Board. Unless the powers of the Committee have been specifically limited, the Committee shall have
all of the powers of the Board granted herein, including, without limitation, the power to amend or terminate the Plan at any time, subject to the terms of the Plan and any applicable limitations imposed by law. 

(d) “Company” means One Stop Systems, Inc., a California corporation, or any successor corporation thereto. 

(e) “Consultant” means a person engaged to provide consulting or advisory services (other than as an Employee or a
Director) to a Participating Company, provided that the identity of such person, the nature of such services or the entity to which such services are provided would not preclude the Company from offering or selling securities to such

  
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person pursuant to the Plan in reliance on either the exemption from registration provided by Rule 701 under the Securities Act or, if the Company is required to file reports pursuant to
Section 13 or 15(d) of the Exchange Act, registration on a Form S-8 Registration Statement under the Securities Act. 
 (f)
“Director” means a member of the Board or of the board of directors of any other Participating Company. 
 (g)
“Disability” means the permanent and total disability of the Optionee within the meaning of Section 22(e)(3) of the Code. 

(h) “Employee” means any person treated as an employee (including an officer or a Director who is also treated as an
employee) in the records of a Participating Company and, with respect to any Incentive Stock Option granted to such person, who is an employee for purposes of Section 422 of the Code; provided, however, that neither service as a Director nor
payment of a director’s fee shall be sufficient to constitute employment for purposes of the Plan. 
 (i) “Exchange
Act” means the Securities Exchange Act of 1934, as amended. 
 (j) “Fair Market
Value” means, as of any date, the value of a share of Stock or other property as determined by the Board, in its discretion, or by the Company, in its discretion, if such determination is
expressly allocated to the Company herein, subject to the following: 
 (i) If, on such date, the Stock is listed on a national or regional
securities exchange or market system, the Fair Market Value of a share of Stock shall be the closing price of a share of Stock (or the mean of the closing bid and asked prices of a share of Stock if the Stock is so quoted instead) as quoted on the
Nasdaq National Market, The Nasdaq SmallCap Market or such other national or regional securities exchange or market system constituting the primary market for the Stock, as reported in The Wall Street Journal or such other source as the
Company deems reliable. If the relevant date does not fall on a day on which the Stock has traded on such securities exchange or market system, the date on which the Fair Market Value shall be established shall be the last day on which the Stock was
so traded prior to the relevant date, or such other appropriate day as shall be determined by the Board, in its discretion. 
 (ii) If, on
such date, the Stock is not listed on a national or regional securities exchange or market system, the Fair Market Value of a share of Stock shall be as determined by the Board in good faith without regard to any restriction other than a restriction
which, by its terms, will never lapse. 
 (k) “Incentive Stock Option” means an Option intended to be (as set
forth in the Option Agreement) and which qualifies as an incentive stock option within the meaning of Section 422(b) of the Code. 

  
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 (l) “Insider” means an officer or a Director of the Company or any other
person whose transactions in Stock are subject to Section 16 of the Exchange Act. 
 (m) “Nonstatutory Stock
Option” means an Option not intended to be (as set forth in the Option Agreement) or which does not qualify as an Incentive Stock Option. 

(n) “Option” means a right to purchase Stock (subject to adjustment as provided in Section 4.2) pursuant to the
terms and conditions of the Plan. An Option may be either an Incentive Stock Option or a Nonstatutory Stock Option. 
 (o)
“Option Agreement” means a written agreement between the Company and an Optionee setting forth the terms, conditions and restrictions of the Option granted to the Optionee and any shares acquired upon the
exercise thereof. An Option Agreement may consist of a form of “Notice of Grant of Stock Option” and a form of “Stock Option Agreement” incorporated therein by reference, or such other form or forms as the Board may approve from
time to time. 
 (p) “Optionee” means a person who has been granted one or more Options. 

(q) “Parent Corporation” means any present or future “parent corporation” of the
Company, as defined in Section 424(e) of the Code. 
 (r) “Participating Company” means the Company or any
Parent Corporation or Subsidiary Corporation. 
 (s) “Participating Company Group” means, at any point
in time, all corporations collectively which are then Participating Companies. 
 (t) “Rule 16b-3” means Rule 16b-3
under the Exchange Act, as amended from time to time, or any successor rule or regulation. 
 (u) “Securities Act”
means the Securities Act of 1933, as amended. 
 (v) “Service” means an Optionee’s employment or
service with the Participating Company Group, whether in the capacity of an Employee, a Director or a Consultant. An Optionee’s Service shall not be deemed to have terminated merely because of a change in the capacity in which the Optionee
renders Service to the Participating Company Group or a change in the Participating Company for which the Optionee renders such Service, provided that there is no interruption or termination of the Optionee’s Service. Furthermore, an
Optionee’s Service with the Participating Company Group shall not be deemed to have terminated if the Optionee takes any military leave, sick leave, or other bona fide leave of absence approved by the Company; provided, however, that if any
such leave exceeds ninety (90) days, on the ninety-first (91st) day of such leave the Optionee’s Service shall be deemed to have terminated unless the Optionee’s right to return to Service with the Participating Company Group is
guaranteed by statute or contract. Notwithstanding the foregoing, unless otherwise designated by the Company or required by law, a leave of absence shall not be treated as Service for purposes of determining vesting under the Optionee’s Option
Agreement. The Optionee’s 

  
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Service shall be deemed to have terminated either upon an actual termination of Service or upon the corporation for which the Optionee performs Service ceasing to be a Participating Company.
Subject to the foregoing, the Company, in its discretion, shall determine whether the Optionee’s Service has terminated and the effective date of such termination. 

(w) “Stock” means the common stock of the Company, as adjusted from time to time in accordance with Section 4.2.

 (x) “Subsidiary Corporation” means any present or future “subsidiary corporation” of the Company, as
defined in Section 424(f) of the Code. 
 (y) “Ten Percent Owner Optionee” means an Optionee who,
at the time an Option is granted to the Optionee, owns stock possessing more than ten percent (10%) of the total combined voting power of all classes of stock of a Participating Company within the meaning of Section 422(b)(6) of the Code.

 2.2 Construction. Captions and titles contained herein are for convenience only and shall not affect the meaning or interpretation
of any provision of the Plan. Except when otherwise indicated by the context, the singular shall include the plural and the plural shall include the singular. Use of the term “or” is not intended to be exclusive, unless the context clearly
requires otherwise. 
 3. ADMINISTRATION. 

3.1 Administration by the Board. The Plan shall be administered by the Board. All questions of interpretation of the Plan or of any
Option shall be determined by the Board, and such determinations shall be final and binding upon all persons having an interest in the Plan or such Option. 

3.2 Authority of Officers. Any officer of a Participating Company shall have the authority to act on behalf of the Company with respect
to any matter, right, obligation, determination or election which is the responsibility of or which is allocated to the Company herein, provided the officer has apparent authority with respect to such matter, right, obligation, determination or
election. 
 3.3 Powers of the Board. In addition to any other powers set forth in the Plan and subject to the provisions of the Plan,
the Board shall have the full and final power and authority, in its discretion: 
 (a) to determine the persons to whom, and the time or
times at which, Options shall be granted and the number of shares of Stock to be subject to each Option; 
 (b) to designate Options as
Incentive Stock Options or Nonstatutory Stock Options; 
 (c) to determine the Fair Market Value of shares of Stock or other property; 

  
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 (d) to determine the terms, conditions and restrictions applicable to each Option (which need
not be identical) and any shares acquired upon the exercise thereof, including, without limitation, (i) the exercise price of the Option, (ii) the method of payment for shares purchased upon the exercise of the Option, (iii) the
method for satisfaction of any tax withholding obligation arising in connection with the Option or such shares, including by the withholding or delivery of shares of stock, (iv) the timing, terms and conditions of the exercisability of the
Option or the vesting of any shares acquired upon the exercise thereof, (v) the time of the expiration of the Option, (vi) the effect of the Optionee’s termination of Service with the Participating Company Group on any of the
foregoing, and (vii) all other terms, conditions and restrictions applicable to the Option or such shares not inconsistent with the terms of the Plan; 

(e) to approve one or more forms of Option Agreement; 

(f) to amend, modify, extend, cancel or renew any Option or to waive any restrictions or conditions applicable to any Option or any shares
acquired upon the exercise thereof; 
 (g) to accelerate, continue, extend or defer the exercisability of any Option or the vesting of any
shares acquired upon the exercise thereof, including with respect to the period following an Optionee’s termination of Service with the Participating Company Group; 

(h) to prescribe, amend or rescind rules, guidelines and policies relating to the Plan, or to adopt supplements to, or alternative versions
of, the Plan, including, without limitation, as the Board deems necessary or desirable to comply with the laws of, or to accommodate the tax policy or custom of, foreign jurisdictions whose citizens may be granted Options; and 

(i) to correct any defect, supply any omission or reconcile any inconsistency in the Plan or any Option Agreement and to make all other
determinations and take such other actions with respect to the Plan or any Option as the Board may deem advisable to the extent not inconsistent with the provisions of the Plan or applicable law. 

3.4 Administration with Respect to Insiders. With respect to participation by Insiders in the Plan, at any time that any class of equity
security of the Company is registered pursuant to Section 12 of the Exchange Act, the Plan shall be administered in compliance with the requirements, if any, of Rule 16b-3. 

3.5 Indemnification. In addition to such other rights of indemnification as they may have as members of the Board or officers or
employees of the Participating Company Group, members of the Board and any officers or employees of the Participating Company Group to whom authority to act for the Board or the Company is delegated shall be indemnified by the Company against all
reasonable expenses, including attorneys’ fees, actually and necessarily incurred in connection with the defense of any action, suit or proceeding, or in connection with any appeal therein, to which they or any of them may be a party by reason
of any action taken or failure to act under or in connection with the Plan, or any right granted 

  
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hereunder, and against all amounts paid by them in settlement thereof (provided such settlement is approved by independent legal counsel selected by the Company) or paid by them in satisfaction
of a judgment in any such action, suit or proceeding, except in relation to matters as to which it shall be adjudged in such action, suit or proceeding that such person is liable for gross negligence, bad faith or intentional misconduct in duties;
provided, however, that within sixty (60) days after the institution of such action, suit or proceeding, such person shall offer to the Company, in writing, the opportunity at its own expense to handle and defend the same. 

4. SHARES SUBJECT TO PLAN. 

4.1 Maximum Number of Shares Issuable. Subject to adjustment as provided in Section 4.2, the maximum aggregate number of shares of
Stock that may be issued under the Plan shall be One Million Five Hundred Thousand (1,500,000) and shall consist of authorized but unissued or reacquired shares of Stock or any combination thereof. If an outstanding Option for any reason
expires or is terminated or canceled or if shares of Stock are acquired upon the exercise of an Option subject to a Company repurchase option and are repurchased by the Company at the Optionee’s exercise price, the shares of Stock allocable to
the unexercised portion of such Option or such repurchased shares of Stock shall again be available for issuance under the Plan. 
 4.2
Adjustments for Changes in Capital Structure. In the event of any stock dividend, stock split, reverse stock split, recapitalization, combination, reclassification or similar change in the capital structure of the Company, appropriate
adjustments shall be made in the number and class of shares subject to the Plan and to any outstanding Options and in the exercise price per share of any outstanding Options. If a majority of the shares which are of the same class as the shares that
are subject to outstanding Options are exchanged for, converted into, or otherwise become (whether or not pursuant to an Ownership Change Event, as defined in Section 8.1) shares of another corporation (the “New
Shares”), the Board may unilaterally amend the outstanding Options to provide that such Options are exercisable for New Shares. In the event of any such amendment, the number of shares subject to, and the exercise price
per share of, the outstanding Options shall be adjusted in a fair and equitable manner as determined by the Board, in its discretion. Notwithstanding the foregoing, any fractional share resulting from an adjustment pursuant to this Section 4.2
shall be rounded down to the nearest whole number, and in no event may the exercise price of any Option be decreased to an amount less than the par value, if any, of the stock subject to the Option. The adjustments determined by the Board pursuant
to this Section 4.2 shall be final, binding and conclusive. 
 5. ELIGIBILITY AND
OPTION LIMITATIONS. 
 5.1 Persons Eligible for Options. Options may be granted
only to Employees, Consultants, and Directors. For purposes of the foregoing sentence, “Employees,” “Consultants” and “Directors” shall include prospective Employees, prospective Consultants and prospective Directors to
whom Options are granted in connection with written offers of an employment or other service relationship with the Participating Company Group. Eligible persons may be granted more than one (1) Option. 

  
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 5.2 Option Grant Restrictions. Any person who is not an Employee on the effective date of
the grant of an Option to such person may be granted only a Nonstatutory Stock Option. An Incentive Stock Option granted to a prospective Employee upon the condition that such person become an Employee shall be deemed granted effective on the date
such person commences Service with a Participating Company, with an exercise price determined as of such date in accordance with Section 6.1. 

5.3 Fair Market Value Limitation. To the extent that options designated as Incentive Stock Options (granted under all stock option plans
of the Participating Company Group, including the Plan) become exercisable by an Optionee for the first time during any calendar year for stock having a Fair Market Value greater than One Hundred Thousand Dollars ($100,000), the portions of such
options which exceed such amount shall be treated as Nonstatutory Stock Options. For purposes of this Section 5.3, options designated as Incentive Stock Options shall be taken into account in the order in which they were granted, and the Fair
Market Value of stock shall be determined as of the time the option with respect to such stock is granted. If the Code is amended to provide for a different limitation from that set forth in this Section 5.3, such different limitation shall be
deemed incorporated herein effective as of the date and with respect to such Options as required or permitted by such amendment to the Code. If an Option is treated as an Incentive Stock Option in part and as a Nonstatutory Stock Option in part by
reason of the limitation set forth in this Section 5.3, the Optionee may designate which portion of such Option the Optionee is exercising. In the absence of such designation, the Optionee shall be deemed to have exercised the Incentive Stock
Option portion of the Option first. Separate certificates representing each such portion shall be issued upon the exercise of the Option. 

6. TERMS AND CONDITIONS OF
OPTIONS. 
 Options shall be evidenced by Option Agreements specifying the number of
shares of Stock covered thereby, in such form as the Board shall from time to time establish. No Option or purported Option shall be a valid and binding obligation of the Company unless evidenced by a fully executed Option Agreement. Option
Agreements may incorporate all or any of the terms of the Plan by reference and shall comply with and be subject to the following terms and conditions: 

6.1 Exercise Price. The exercise price for each Option shall be established in the discretion of the Board; provided, however, that
(a) the exercise price per share for an Incentive Stock Option shall be not less than the Fair Market Value of a share of Stock on the effective date of grant of the Incentive Stock Option, and (b) no Incentive Stock Option granted to a
Ten Percent Owner Optionee shall have an exercise price per share less than one hundred ten percent (110%) of the Fair Market Value of a share of Stock on the effective date of grant of the Option. Notwithstanding the foregoing, an Option
(whether an Incentive Stock Option or a Nonstatutory Stock Option) may be granted with an exercise price lower than the minimum exercise price set forth above if such Option is granted pursuant to an assumption or substitution for another option in
a manner qualifying under the provisions of Section 424(a) of the Code. 
 6.2 Exercisability and Term of Options. Options shall
be exercisable at such time or times, or upon such event or events, and subject to such terms, conditions, 

  
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performance criteria and restrictions as shall be determined by the Board and set forth in the Option Agreement evidencing such Option; provided, however, that (a) no Option shall be
exercisable after the expiration of ten (10) years after the effective date of grant of such Option, (b) no Incentive Stock Option granted to a Ten Percent Owner Optionee shall be exercisable after the expiration of five (5) years after
the effective date of grant of such Option, and (c) no Option granted to a prospective Employee, prospective Consultant or prospective Director may become exercisable prior to the date on which such person commences Service with a Participating
Company. Subject to the foregoing, unless otherwise specified by the Board in the grant of an Option, any Option granted hereunder shall terminate ten (10) years after the effective date of grant of the Option, unless earlier terminated in
accordance with its provisions. 
 6.3 Payment of Exercise Price. 

(a) Forms of Consideration Authorized. Except as otherwise provided below, payment of the exercise price for the number of
shares of Stock being purchased pursuant to any Option shall be made (i) in cash, by check or cash equivalent, (ii) by tender to the Company, or attestation to the ownership, of shares of Stock owned by the Optionee having a Fair Market
Value (as determined by the Company without regard to any restrictions on transferability applicable to such stock by reason of federal or state securities laws or agreements with an underwriter for the Company) not less than the exercise price,
(iii) by delivery of a properly executed notice together with irrevocable instructions to a broker providing for the assignment to the Company of the proceeds of a sale or loan with respect to some or all of the shares being acquired upon the
exercise of the Option (including, without limitation, through an exercise complying with the provisions of Regulation T as promulgated from time to time by the Board of Governors of the Federal Reserve System) (a “Cashless
Exercise”), (iv) by delivery of the Optionee’s promissory note in a form approved by the Company, (v) by such other consideration as may be approved by the Board from time to time to the extent permitted by
applicable law, or (vi) by any combination thereof. The Board may at any time or from time to time, by approval of or by amendment to the standard forms of Option Agreement described in Section 7, or by other means, grant Options which do
not permit all of the foregoing forms of consideration to be used in payment of the exercise price or which otherwise restrict one or more forms of consideration. 

(b) Limitations on Forms of Consideration. 

(i) Tender of Stock. Notwithstanding the foregoing, an Option may not be exercised by tender to the Company, or attestation to the
ownership, of shares of Stock to the extent such tender or attestation would constitute a violation of the provisions of any law, regulation or agreement restricting the redemption of the Company’s stock. Unless otherwise provided by the Board,
an Option may not be exercised by tender to the Company, or attestation to the ownership, of shares of Stock unless such shares either have been owned by the Optionee for more than six (6) months or were not acquired, directly or indirectly,
from the Company. 
 (ii) Cashless Exercise. The Company reserves, at any and all times, the right, in the Company’s sole and
absolute discretion, to establish, decline to approve or 

  
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terminate any program or procedures for the exercise of Options by means of a Cashless Exercise. 

(iii) Payment by Promissory Note. No promissory note shall be permitted if the exercise of an Option using a promissory note
would be a violation of any law. Any permitted promissory note shall be on such terms as the Board shall determine at the time the Option is granted. The Board shall have the authority to permit or require the Optionee to secure any promissory note
used to exercise an Option with the shares of Stock acquired upon the exercise of the Option or with other collateral acceptable to the Company. Unless otherwise provided by the Board, if the Company at any time is subject to the regulations
promulgated by the Board of Governors of the Federal Reserve System or any other governmental entity affecting the extension of credit in connection with the Company’s securities, any promissory note shall comply with such applicable
regulations, and the Optionee shall pay the unpaid principal and accrued interest, if any, to the extent necessary to comply with such applicable regulations. 

6.4 Tax Withholding. The Company shall have the right, but not the obligation, to deduct from the shares of Stock issuable upon
the exercise of an Option, or to accept from the Optionee the tender of, a number of whole shares of Stock having a Fair Market Value, as determined by the Company, equal to all or any part of the federal, state, local and foreign taxes, if any,
required by law to be withheld by the Participating Company Group with respect to such Option or the shares acquired upon the exercise thereof. Alternatively or in addition, in its discretion, the Company shall have the right to require the
Optionee, through payroll withholding, cash payment or otherwise, including by means of a Cashless Exercise, to make adequate provision for any such tax withholding obligations of the Participating Company Group arising in connection with the Option
or the shares acquired upon the exercise thereof. The Fair Market Value of any shares of Stock withheld or tendered to satisfy any such tax withholding obligations shall not exceed the amount determined by the applicable minimum statutory
withholding rates. The Company shall have no obligation to deliver shares of Stock or to release shares of Stock from an escrow established pursuant to the Option Agreement until the Participating Company Group’s tax withholding obligations
have been satisfied by the Optionee. 
 6.5 Repurchase Rights. Shares issued under the Plan may be subject to a right of first
refusal, one or more repurchase options, or other conditions and restrictions as determined by the Board in its discretion at the time the Option is granted. The Company shall have the right to assign at any time any repurchase right it may have,
whether or not such right is then exercisable, to one or more persons as may be selected by the Company. Upon request by the Company, each Optionee shall execute any agreement evidencing such transfer restrictions prior to the receipt of shares of
Stock hereunder and shall promptly present to the Company any and all certificates representing shares of Stock acquired hereunder for the placement on such certificates of appropriate legends evidencing any such transfer restrictions. 

6.6 Effect of Termination of Service. 

(a) Option Exercisability. Subject to earlier termination of the Option as otherwise provided herein and unless otherwise
provided by the Board in the grant of an Option and set forth in the Option Agreement, an Option shall be exercisable after an Optionee’s 

  
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 termination of Service only during the applicable time period determined in accordance with this Section 6.6
and thereafter shall terminate: 
 (i) Disability. If the Optionee’s Service with the Participating Company Group terminates
because of the Disability of the Optionee, the Option, to the extent unexercised and exercisable on the date on which the Optionee’s Service terminated, may be exercised by the Optionee (or the Optionee’s guardian or legal representative)
at any time prior to the expiration of twelve (12) months (or such other period of time as determined by the Board, in its discretion) after the date on which the Optionee’s Service terminated, but in any event no later than the date of
expiration of the Option’s term as set forth in the Option Agreement evidencing such Option (the “Option Expiration Date”). 

(ii) Death. If the Optionee’s Service with the Participating Company Group terminates because of the death of the Optionee, the
Option, to the extent unexercised and exercisable on the date on which the Optionee’s Service terminated, may be exercised by the Optionee’s legal representative or other person who acquired the right to exercise the Option by reason of
the Optionee’s death at any time prior to the expiration of twelve (12) months (or such other period of time as determined by the Board, in its discretion) after the date on which the Optionee’s Service terminated, but in any event no
later than the Option Expiration Date. The Optionee’s Service shall be deemed to have terminated on account of death if the Optionee dies within three (3) months (or such other period of time as determined by the Board, in its discretion)
after the Optionee’s termination of Service (unless the termination was for Cause). 
 (iii) Other Termination of Service. If
the Optionee’s Service with the Participating Company Group terminates for any reason, except Disability or death, the Option, to the extent unexercised and exercisable by the Optionee on the date on which the Optionee’s Service
terminated, may be exercised by the Optionee at any time prior to the expiration of three (3) months (or such other period of time as determined by the Board, in its discretion) after the date on which the Optionee’s Service terminated,
but in any event no later than the Option Expiration Date. 
 (b) Extension if Exercise Prevented by Law. Notwithstanding the
foregoing, if the exercise of an Option within the applicable time periods set forth in Section 6.6(a) is prevented by the provisions of Section 10 below, the Option shall remain exercisable until three (3) months (or such longer
period of time as determined by the Board, in its discretion) after the date the Optionee is notified by the Company that the Option is exercisable, but in any event no later than the Option Expiration Date. 

(c) Extension if Optionee Subject to Section 16(b). Notwithstanding the foregoing, if a sale within the applicable time
periods set forth in Section 6.6(a) of shares acquired upon the exercise of the Option would subject the Optionee to suit under Section 16(b) of the Exchange Act, the Option shall remain exercisable until the earliest to occur of
(i) the tenth (10th) day following the date on which a sale of such shares by the Optionee would no longer be subject to such suit, (ii) the one hundred and ninetieth (190th) day after the Optionee’s termination of Service,
or (iii) the Option Expiration Date. 

  
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 6.7 Transferability of Options. During the lifetime of the Optionee, an Option shall be
exercisable only by the Optionee or the Optionee’s guardian or legal representative. No Option shall be assignable or transferable by the Optionee, except by will or by the laws of descent and distribution. Notwithstanding the foregoing, to the
extent permitted by the Board, in its discretion, and set forth in the Option Agreement evidencing such Option, a Nonstatutory Stock Option shall be assignable or transferable subject to the applicable limitations, if any, described in Rule 701
under the Securities Act, and the General Instructions to Form S-8 Registration Statement under the Securities Act. 
 7.
STANDARD FORM OF OPTION AGREEMENT. 

7.1 Option Agreement. Unless otherwise provided by the Board at the time the Option is granted, an Option shall comply with and be
subject to the terms and conditions set forth in the form of Option Agreement approved by the Board concurrently with its adoption of the Plan and as amended from time to time. 

7.2 Authority to Vary Terms. The Board shall have the authority from time to time to vary the terms of any standard form of Option
Agreement described in this Section 7 either in connection with the grant or amendment of an individual Option or in connection with the authorization of a new standard form or forms; provided, however, that the terms and conditions of any such
new, revised or amended standard form or forms of Option Agreement are not inconsistent with the terms of the Plan. 
 8.
CHANGE IN CONTROL. 
 8.1 Definitions. 

(a) An “Ownership Change Event” shall be deemed to have occurred if any of the following occurs with respect to the
Company: (i) the direct or indirect sale or exchange in a single or series of related transactions by the stockholders of the Company of more than fifty percent (50%) of the voting stock of the Company; (ii) a merger or consolidation in
which the Company is a party; (iii) the sale, exchange, or transfer of all or substantially all of the assets of the Company; or (iv) a liquidation or dissolution of the Company. 

(b) A “Change in Control” shall mean an Ownership Change Event or a series of related Ownership Change Events
(collectively, a “Transaction”) wherein the stockholders of the Company immediately before the Transaction do not retain immediately after the Transaction, in substantially the same proportions as their
ownership of shares of the Company’s voting stock immediately before the Transaction, direct or indirect beneficial ownership of more than fifty percent (50%) of the total combined voting power of the outstanding voting stock of the
Company or the corporation or corporations to which the assets of the Company were transferred (the “Transferee Corporation(s)”), as the case may be. For purposes of the preceding sentence, indirect beneficial
ownership shall include, without limitation, an interest resulting from ownership of the voting stock of one or more corporations which, as a result of the Transaction, own the Company or the Transferee Corporation(s), as the case may be, either
directly or through one or more subsidiary corporations. The Board shall have the right to determine whether multiple sales or exchanges of the voting stock of the 

  
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Company or multiple Ownership Change Events are related, and its determination shall be final, binding and conclusive. 

8.2 Effect of Change in Control on Options. In the event of a Change in Control, the surviving, continuing, successor, or purchasing
corporation or parent corporation thereof, as the case may be (the “Acquiring Corporation”), may either assume the Company’s rights and obligations under outstanding Options or substitute for outstanding
Options substantially equivalent options for the Acquiring Corporation’s stock. In the event the Acquiring Corporation elects not to assume or substitute for outstanding Options in connection with a Change in Control, any unexercisable or
unvested portions of outstanding Options held by Optionees whose Service has not terminated prior to such date shall be immediately exercisable and vested in full as of the date ten (10) days prior to the date of the Change in Control. The
exercise or vesting of any Option that was permissible solely by reason of this Section 8.2 shall be conditioned upon the consummation of the Change in Control. Any Options which are neither assumed or substituted for by the Acquiring
Corporation in connection with the Change in Control nor exercised as of the date of the Change in Control shall terminate and cease to be outstanding effective as of the date of the Change in Control. Notwithstanding the foregoing, shares acquired
upon exercise of an Option prior to the Change in Control and any consideration received pursuant to the Change in Control with respect to such shares shall continue to be subject to all applicable provisions of the Option Agreement evidencing such
Option except as otherwise provided in such Option Agreement. 
 9. PROVISION OF
INFORMATION. 
 At least annually, copies of the Company’s balance sheet and income
statement for the just completed fiscal year shall be made available to each Optionee and purchaser of Shares upon exercise of an Option. The Company shall not be required to provide such information to key employees whose duties in connection with
the Company assure them access to equivalent information. 
 10. COMPLIANCE WITH
SECURITIES LAW. 
 The grant of Options and the issuance of shares of Stock upon
exercise of Options shall be subject to compliance with all applicable requirements of federal, state and foreign law with respect to such securities. Options may not be exercised if the issuance of shares of Stock upon exercise would constitute a
violation of any applicable federal, state or foreign securities laws or other law or regulations or the requirements of any stock exchange or market system upon which the Stock may then be listed. In addition, no Option may be exercised unless
(a) a registration statement under the Securities Act shall at the time of exercise of the Option be in effect with respect to the shares issuable upon exercise of the Option or (b) in the opinion of legal counsel to the Company, the
shares issuable upon exercise of the Option may be issued in accordance with the terms of an applicable exemption from the registration requirements of the Securities Act. The inability of the Company to obtain from any regulatory body having
jurisdiction the authority, if any, deemed by the Company’s legal counsel to be necessary to the lawful issuance and sale of any shares hereunder shall relieve the Company of any liability in respect of the failure to issue, or sell such shares
as to which such requisite authority shall not have been obtained. As a condition to the exercise of any Option, the Company may require the 

  
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Optionee to satisfy any qualifications that may be necessary or appropriate, to evidence compliance with any applicable law or regulation and to make any representation or warranty with respect
thereto as may be requested by the Company. 
 11. TERMINATION OR AMENDMENT
OF PLAN. 
 The Board may terminate or amend the Plan at any time. However, subject to
changes in applicable law, regulations or rules that would permit otherwise, without the approval of the Company’s stockholders, there shall be (a) no increase in the maximum aggregate number of shares of Stock that may be issued under the
Plan (except by operation of the provisions of Section 4.2), (b) no change in the class of persons eligible to receive Incentive Stock Options, and (c) no other amendment of the Plan that would require approval of the Company’s
stockholders under any applicable law, regulation or rule. No termination or amendment of the Plan shall affect any then outstanding Option unless expressly provided by the Board. In any event, no termination or amendment of the Plan may adversely
affect any then outstanding Option without the consent of the Optionee, unless such termination or amendment is required to enable an Option designated as an Incentive Stock Option to qualify as an Incentive Stock Option or is necessary to comply
with any applicable law, regulation or rule. 
 12. STOCKHOLDER
APPROVAL. 
 The Plan or any increase in the maximum aggregate number of shares of Stock
issuable thereunder as provided in Section 4.1 (the “Authorized Shares”) shall be approved by the stockholders of the Company within twelve (12) months of the date of adoption thereof by the Board.
Options granted prior to stockholder approval of the Plan or in excess of the Authorized Shares previously approved by the stockholders shall become exercisable no earlier than the date of stockholder approval of the Plan or such increase in the
Authorized Shares, as the case may be. 

  
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 PLAN HISTORY 
  

			
	January 2000	  	Board adopts Plan, with an initial reserve of 1,500,000 shares.
		
	January 2000	  	Stockholders approve Plan, with an initial reserve of 1,500,000 shares.

  
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 ONE STOP SYSTEMS, INC. 

Stock Option Agreement 

One Stop Systems, Inc. has granted to the individual (the “Optionee”) named in the
Notice of Grant of Stock Option (the “Notice”) to which this Stock Option Agreement (the “Option Agreement”)
is attached an option (the “Option”) to purchase certain shares of Stock upon the terms and conditions set forth in the Notice and this Option Agreement. The Option has been granted pursuant to and shall in all
respects be subject to the terms and conditions of the One Stop Systems, Inc. 2000 Stock Option Plan (the “Plan” ), as amended to the Date of Option Grant, the provisions of which are incorporated herein by
reference. By signing the Notice, the Optionee: (a) represents that the Optionee has read and is familiar with the terms and conditions of the Notice, the Plan and this Option Agreement, including the Right of First Refusal set forth in
Section 8 and the Vested Share Repurchase Option set forth in Section 9, (b) accepts the Option subject to all of the terms and conditions of the Notice, the Plan and this Option Agreement, (c) agrees to accept as binding,
conclusive and final all decisions or interpretations of the Board upon any questions arising under the Notice, the Plan or this Option Agreement, and (d) acknowledges receipt of a copy of the Notice, the Plan and this Option Agreement. 

1. DEFINITIONS AND CONSTRUCTION. 

1.1 Definitions. Unless otherwise defined herein, capitalized terms shall have the meanings assigned to such terms in the Notice or the
Plan. 
 1.2 Construction. Captions and titles contained herein are for convenience only and shall not affect the meaning or
interpretation of any provision of this Option Agreement. Except when otherwise indicated by the context, the singular shall include the plural and the plural shall include the singular. Use of the term “or” is not intended to be
exclusive, unless the context clearly requires otherwise. 
 2. TAX
CONSEQUENCES. 
 2.1 Tax Status of Option. This Option is intended to have the
tax status designated in the Notice. 
 (a) Incentive Stock Option. If the Notice so designates, this Option is intended to be
an Incentive Stock Option within the meaning of Section 422(b) of the Code, but the Company does not represent or warrant that this Option qualifies as such. The Optionee should consult with the Optionee’s own tax advisor regarding the tax
effects of this Option and the requirements necessary to obtain favorable income tax treatment under Section 422 of the Code, including, but not limited to, holding period requirements. (NOTE TO OPTIONEE: If the Option is exercised more than
three (3) months after the date on which you cease to be an Employee (other than by reason of your death or Disability, the Option will be treated as a Nonstatutory Stock Option and not as an Incentive Stock Option to the extent required by
Section 422 of the Code.) 

  
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 (b) Nonstatutory Stock Option. If the Notice so designates, this Option is
intended to be a Nonstatutory Stock Option and shall not be treated as an Incentive Stock Option within the meaning of Section 422(b) of the Code. 

2.2 ISO Fair Market Value Limitation. If the Notice designates this Option as an Incentive Stock Option, then to the extent that
the Option (together with all Incentive Stock Options granted to the Optionee under all stock option plans of the Participating Company Group, including the Plan) becomes exercisable for the first time during any calendar year for shares having a
Fair Market Value greater than One Hundred Thousand Dollars ($100,000), the portion of such options which exceeds such amount will be treated as Nonstatutory Stock Options. For purposes of this Section 2.2, options designated as Incentive Stock
Options are taken into account in the order in which they were granted, and the Fair Market Value of stock is determined as of the time the option with respect to such stock is granted. If the Code is amended to provide for a different limitation
from that set forth in this Section 2.2, such different limitation shall be deemed incorporated herein effective as of the date required or permitted by such amendment to the Code. If the Option is treated as an Incentive Stock Option in part
and as a Nonstatutory Stock Option in part by reason of the limitation set forth in this Section 2.2, the Optionee may designate which portion of such Option the Optionee is exercising. In the absence of such designation, the Optionee shall be
deemed to have exercised the Incentive Stock Option portion of the Option first. Separate certificates representing each such portion shall be issued upon the exercise of the Option. (NOTE TO OPTIONEE: If the aggregate Exercise Price of the Option
(that is, the Exercise Price multiplied by the Number of Option Shares) plus the aggregate exercise price of any other Incentive Stock Options you hold (whether granted pursuant to the Plan or any other stock option plan of the Participating Company
Group) is greater than $100,000, you should contact the Chief Financial Officer of the Company to ascertain whether the entire Option qualifies as an Incentive Stock Option.) 

3. EXERCISE OF THE OPTION. 

3.1 Right to Exercise. Except as otherwise provided herein, the Option shall be exercisable on and after the Initial Vesting Date and
prior to the termination of the Option (as provided in Section 5) in an amount not to exceed the number of Vested Shares less the number of shares previously acquired upon exercise of the Option, subject to the Company’s repurchase rights
set forth in Section 8 and Section 9. In no event shall the Option be exercisable for more shares than the Number of Option Shares. 

3.2 Method of Exercise. Exercise of the Option shall be by written notice to the Company which must state the election to exercise the
Option, the number of whole shares of Stock for which the Option is being exercised and such other representations and agreements as to the Optionee’s investment intent with respect to such shares as may be required pursuant to the provisions
of this Option Agreement. The written notice must be signed by the Optionee and must be delivered in person, by certified or registered mail, return receipt requested, by confirmed facsimile transmission, or by such other means as the Company may
permit, to the Chief Financial Officer of the Company, or other authorized representative of the Participating Company Group, prior to the termination of the Option as set forth in Section 5, accompanied by (i) full payment of the aggregate
Exercise Price for the number of shares of Stock being purchased and (ii) an executed copy, if required herein, of the then current form of escrow 

  
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agreement referenced below. The Option shall be deemed to be exercised upon receipt by the Company of such written notice, the aggregate Exercise Price, and, if required by the Company, such
executed agreement. 
 3.3 Payment of Exercise Price. 

(a) Forms of Consideration Authorized. Except as otherwise provided below, payment of the aggregate Exercise Price for the
number of shares of Stock for which the Option is being exercised shall be made (i) in cash, by check, or cash equivalent, (ii) by tender to the Company, or attestation to the ownership, of whole shares of Stock owned by the Optionee having a
Fair Market Value (as determined by the Company without regard to any restrictions on transferability applicable to such stock by reason of federal or state securities laws or agreements with an underwriter for the Company) not less than the
aggregate Exercise Price, (iii) by means of a Cashless Exercise, (iv) by means of a promissory note, if permitted by the Company at the time of exercise, or (v) by any combination of the foregoing. 

(b) Limitations on Forms of Consideration. The use of the methods of consideration described in Sections 3.3(a)(ii),
(iii) and (iv) shall be subject to the terms and conditions set forth in Section 6.3(b) of the Plan. 
 3.4 Tax
Withholding. At the time the Option is exercised, in whole or in part, or at any time thereafter as requested by the Company, the Optionee hereby authorizes withholding from payroll and any other amounts payable to the Optionee, and otherwise
agrees to make adequate provision for (including by means of a Cashless Exercise to the extent permitted by the Company), any sums required to satisfy the federal, state, local and foreign tax withholding obligations of the Participating Company
Group, if any, which arise in connection with the Option, including, without limitation, obligations arising upon (i) the exercise, in whole or in part, of the Option, (ii) the transfer, in whole or in part, of any shares acquired upon
exercise of the Option, (iii) the operation of any law or regulation providing for the imputation of interest, or (iv) the lapsing of any restriction with respect to any shares acquired upon exercise of the Option. The Company shall have
no obligation to deliver shares of Stock until the tax withholding obligations of the Participating Company Group have been satisfied by the Optionee. 

3.5 Certificate Registration. Except in the event the Exercise Price is paid by means of a Cashless Exercise, the certificate for the
shares as to which the Option is exercised shall be registered in the name of the Optionee, or, if applicable, in the names of the heirs of the Optionee. 

3.6 Restrictions on Grant of the Option and Issuance of Shares. The grant of the Option and the issuance of shares of Stock upon
exercise of the Option shall be subject to compliance with all applicable requirements of federal, state or foreign law with respect to such securities. The Option may not be exercised if the issuance of shares of Stock upon exercise would
constitute a violation of any applicable federal, state or foreign securities laws or other law or regulations or the requirements of any stock exchange or market system upon which the Stock may then be listed. In addition, the Option may not be
exercised unless (i) a registration statement under the Securities Act shall at the time of exercise of the Option be in effect with 

  
 - 3 - 

 
respect to the shares issuable upon exercise of the Option or (ii) in the opinion of legal counsel to the Company, the shares issuable upon exercise of the Option may be issued in accordance
with the terms of an applicable exemption from the registration requirements of the Securities Act. THE OPTIONEE IS CAUTIONED THAT THE OPTION MAY NOT BE EXERCISED UNLESS THE FOREGOING CONDITIONS ARE SATISFIED. ACCORDINGLY, THE OPTIONEE MAY NOT BE
ABLE TO EXERCISE THE OPTION WHEN DESIRED EVEN THOUGH THE OPTION IS VESTED. The inability of the Company to obtain from any regulatory body having jurisdiction the authority, if any, deemed by the Company’s legal counsel to be necessary to the
lawful issuance and sale of any shares subject to the Option shall relieve the Company of any liability in respect of the failure to issue or sell such shares as to which such requisite authority shall not have been obtained. As a condition to the
exercise of the Option, the Company may require the Optionee to satisfy any qualifications that may be necessary or appropriate, to evidence compliance with any applicable law or regulation and to make any representation or warranty with respect
thereto as may be requested by the Company. 
 3.7 Fractional Shares. The Company shall not be required to issue fractional shares
upon the exercise of the Option. 
 4. NONTRANSFERABILITY OF THE
OPTION. 
 The Option may be exercised during the lifetime of the Optionee only by the Optionee or the
Optionee’s guardian or legal representative and may not be assigned or transferred in any manner except by will or by the laws of descent and distribution. Following the death of the Optionee, the Option, to the extent provided in the Plan, may
be exercised by the Optionee’s legal representative or by any person empowered to do so under the deceased Optionee’s will or under the then applicable laws of descent and distribution. 

5. TERMINATION OF THE OPTION. 

The Option shall terminate and may no longer be exercised on the first to occur of (a) the Option Expiration Date, (b) the last date
for exercising the Option following termination of the Optionee’s Service as described in the Plan, or (c) a Change in Control to the extent provided in the Plan. 

6. EFFECT OF TERMINATION OF
SERVICE. 
 6.1 Option Exercisability. 

(a) Disability. If the Optionee’s Service with the Participating Company Group is terminated because of the Disability of
the Optionee, the Option, to the extent unexercised and exercisable on the date on which the Optionee’s Service terminated, may be exercised by the Optionee (or the Optionee’s guardian or legal representative) at any time prior to the
expiration of twelve (12) months after the date on which the Optionee’s Service terminated, but in any event no later than the Option Expiration Date. 

(b) Death. If the Optionee’s Service with the Participating Company Group is terminated because of the death of the
Optionee, the Option, to the extent unexercised and exercisable on the date on which the Optionee’s Service terminated, may be exercised by the 

  
 - 4 - 

 Optionee’s legal representative or other person who acquired the right to exercise the Option by reason of
the Optionee’s death at any time prior to the expiration of twelve (12) months after the date on which the Optionee’s Service terminated, but in any event no later than the Option Expiration Date. The Optionee’s Service shall be
deemed to have terminated on account of death if the Optionee dies within three (3) months after the Optionee’s termination of Service. 

(c) Other Termination of Service. If the Optionee’s Service with the Participating Company Group terminates for any reason,
except Disability or death, the Option, to the extent unexercised and exercisable by the Optionee on the date on which the Optionee’s Service terminated, may be exercised by the Optionee any time prior to the expiration of three (3) months
after the date on which the Optionee’s Service terminated, but in any event no later than the Option Expiration Date. 
 6.2
Extension if Exercise Prevented by Law. Notwithstanding the foregoing, if the exercise of the Option within the applicable time periods set forth in Section 6.1 is prevented by the provisions of Section 3.6, the Option shall
remain exercisable until three (3) months after the date the Optionee is notified by the Company that the Option is exercisable, but in any event no later than the Option Expiration Date. The Company makes no representation as to the tax
consequences of any such delayed exercise. The Optionee should consult with the Optionee’s own tax advisor as to the tax consequences of any such delayed exercise. 

6.3 Extension if Optionee Subject to Section 16(b). Notwithstanding the foregoing, if a sale within the applicable time periods set
forth in Section 6.1 of shares acquired upon the exercise of the Option would subject the Optionee to suit under Section 16(b) of the Exchange Act, the Option shall remain exercisable until the earliest to occur of (i) the tenth
(10th) day following the date on which a sale of such shares by the Optionee would no longer be subject to such suit, (ii) the one hundred and ninetieth (190th) day after the Optionee’s termination of Service, or (iii) the
Option Expiration Date. The Company makes no representation as to the tax consequences of any such delayed exercise. The Optionee should consult with the Optionee’s own tax advisor as to the tax consequences of any such delayed exercise. 

7. RIGHTS AS A SHAREHOLDER, EMPLOYEE OR
CONSULTANT. 
 The Optionee shall have no rights as a shareholder with respect to any shares covered by
the Option until the date of the issuance of a certificate for the shares for which the Option has been exercised (as evidenced by the appropriate entry on the books of the Company or of a duly authorized transfer agent of the Company). No
adjustment shall be made for dividends, distributions or other rights for which the record date is prior to the date such certificate is issued, except as provided in Section 4.2 of the Plan. If the Optionee is an Employee, the Optionee
understands and acknowledges that, except as otherwise provided in a separate, written employment agreement between a Participating Company and the Optionee, the Optionee’s employment is “at will” and is for no specified term. Nothing
in this Option Agreement shall confer upon the Optionee any right to continue in the Service of a Participating Company or interfere in any way with any right of the Participating Company Group to terminate the Optionee’s Service as an Employee
or Consultant, as the case may be, at any time. 

  
 - 5 - 

 8. RIGHT OF FIRST
REFUSAL. 
 8.1 Grant of Right of First Refusal. Except as provided in Section 8.7
below, in the event the Optionee, the Optionee’s legal representative, or other holder of shares acquired upon exercise of the Option proposes to sell, exchange, transfer, pledge, or otherwise dispose of any shares acquired upon exercise of the
Option (the “Transfer Shares”) to any person or entity, including, without limitation, any shareholder of a Participating Company, the Company shall have the right to repurchase the Transfer Shares under the
terms and subject to the conditions set forth in this Section 8 (the “Right of First Refusal”). 

8.2 Notice of Proposed Transfer. Prior to any proposed transfer of the Transfer Shares, the Optionee shall deliver written notice (the
“Transfer Notice”) to the Company describing fully the proposed transfer, including the number of Transfer Shares, the name and address of the proposed transferee (the “Proposed
Transferee”) and, if the transfer is voluntary, the proposed transfer price, and containing such information necessary to show the bona fide nature of the proposed transfer. In the event of a bona fide gift or involuntary
transfer, the proposed transfer price shall be deemed to be the Fair Market Value of the Transfer Shares, as determined by the Board in good faith. If the Optionee proposes to transfer any Transfer Shares to more than one Proposed Transferee, the
Optionee shall provide a separate Transfer Notice for the proposed transfer to each Proposed Transferee. The Transfer Notice shall be signed by both the Optionee and the Proposed Transferee and must constitute a binding commitment of the Optionee
and the Proposed Transferee for the transfer of the Transfer Shares to the Proposed Transferee subject only to the Right of First Refusal. 

8.3 Bona Fide Transfer. If the Company determines that the information provided by the Optionee in the Transfer Notice is insufficient
to establish the bona fide nature of a proposed voluntary transfer, the Company shall give the Optionee written notice of the Optionee’s failure to comply with the procedure described in this Section 8, and the Optionee shall have no right
to transfer the Transfer Shares without first complying with the procedure described in this Section 8. The Optionee shall not be permitted to transfer the Transfer Shares if the proposed transfer is not bona fide. 

8.4 Exercise of Right of First Refusal. If the Company determines the proposed transfer to be bona fide, the Company shall have the
right to purchase all or a portion of the Transfer Shares at the purchase price and on the terms set forth in the Transfer Notice by delivery to the Optionee of a notice of exercise of the Right of First Refusal within thirty (30) days after
the date the Transfer Notice is delivered to the Company. The Company’s exercise or failure to exercise the Right of First Refusal with respect to any proposed transfer described in a Transfer Notice shall not affect the Company’s right to
exercise the Right of First Refusal with respect to any proposed transfer described in any other Transfer Notice, whether or not such other Transfer Notice is issued by the Optionee or issued by a person other than the Optionee with respect to a
proposed transfer to the same Proposed Transferee. If the Company exercises the Right of First Refusal, the Company and the Optionee shall thereupon consummate the sale of the Transfer Shares to the Company on the terms set forth in the Transfer
Notice within sixty (60) days after the date the Transfer Notice is delivered to the Company (unless a longer period is offered by the Proposed Transferee); provided, however, that in the event the Transfer Notice provides for the payment for
the Transfer Shares other than in cash, the Company shall have the 

  
 - 6 - 

 
option of paying for the Transfer Shares by the present value cash equivalent of the consideration described in the Transfer Notice as reasonably determined by the Company. For purposes of the
foregoing, cancellation of any indebtedness of the Optionee to any Participating Company shall be treated as payment to the Optionee in cash to the extent of the unpaid principal and any accrued interest canceled. 

8.5 Failure to Exercise Right of First Refusal. If the Company fails to exercise the Right of First Refusal in full (or to such lesser
extent as the Company and the Optionee otherwise agree) within the period specified in Section 8.4 above, the Optionee may conclude a transfer to the Proposed Transferee of the Transfer Shares on the terms and conditions described in the
Transfer Notice, provided such transfer occurs not later than ninety (90) days following delivery to the Company of the Transfer Notice. The Company shall have the right to demand further assurances from the Optionee and the Proposed Transferee
(in a form satisfactory to the Company) that the transfer of the Transfer Shares was actually carried out on the terms and conditions described in the Transfer Notice. No Transfer Shares shall be transferred on the books of the Company until the
Company has received such assurances, if so demanded, and has approved the proposed transfer as bona fide. Any proposed transfer on terms and conditions different from 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 by the Optionee with the procedure described in this Section 8. 

8.6 Transferees of Transfer Shares. All transferees of the Transfer Shares or any interest therein, other than the Company, shall be
required as a condition of such transfer to agree in writing (in a form satisfactory to the Company) that such transferee shall receive and hold such Transfer Shares or interest therein subject to all of the terms and conditions of this Option
Agreement, including this Section 8 providing for the Right of First Refusal with respect to any subsequent transfer. Any sale or transfer of any shares acquired upon exercise of the Option shall be void unless the provisions of this
Section 8 are met. 
 8.7 Transfers Not Subject to Right of First Refusal. The Right of First Refusal shall not apply to any
transfer or exchange of the shares acquired upon exercise of the Option if such transfer or exchange is in connection with an Ownership Change Event. If the consideration received pursuant to such transfer or exchange consists of stock of a
Participating Company, such consideration shall remain subject to the Right of First Refusal unless the provisions of Section 8.9 below result in a termination of the Right of First Refusal. 

8.8 Assignment of Right of First Refusal. The Company shall have the right to assign the Right of First Refusal at any time, whether or
not there has been an attempted transfer, to one or more persons as may be selected by the Company. 
 8.9 Early Termination of Right of
First Refusal. The other provisions of this Option Agreement notwithstanding, the Right of First Refusal shall terminate and be of no further force and effect upon (a) the occurrence of a Change in Control, unless the Acquiring Corporation
assumes the Company’s rights and obligations under the Option or substitutes a substantially equivalent option for the Acquiring Corporation’s stock for the Option, or (b) the existence of a public market for the class of shares
subject to the Right of First Refusal. A “public market” shall be deemed to exist if (i) such stock is listed on a national securities 

  
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exchange (as that term is used in the Exchange Act) or (ii) such stock is traded on the over-the-counter market and prices therefor are published daily on business days in a recognized
financial journal. 
 9. VESTED SHARE REPURCHASE
OPTION. 
 9.1 Grant of Vested Share Repurchase Option. Except as provided in Section 9.4
below, in the event of the occurrence of any Repurchase Event, as defined below, the Company shall have the right to repurchase the shares acquired by the Optionee pursuant to the Option (the “Repurchase
Shares”) under the terms and subject to the conditions set forth in this Section 9 (the “Vested Share Repurchase Option”). Each of the following events shall constitute a “Repurchase
Event”: 
 (a) Termination of the Optionee’s Service with the Participating Company Group for any reason or
no reason, with or without cause, including death or Disability. The Repurchase Period, as defined below, shall commence on the date of termination of the Optionee’s Service. 

(b) The Optionee, the Optionee’s legal representative, or other holder of shares acquired upon exercise of the Option attempts to sell,
exchange, transfer, pledge, or otherwise dispose of any Repurchase Shares without complying with the provisions of Section 8. The Repurchase Period, as defined below, shall commence on the date the Company receives actual notice of such
attempted sale, exchange, transfer, pledge or other disposition. 
 (c) The receivership, bankruptcy or other creditor’s proceeding
regarding the Optionee or the taking of any of the Optionee’s shares of Stock by legal process, such as a levy of execution. The Repurchase Period, as defined below, shall commence on the date the Company receives actual notice of the
commencement of pendency of the receivership, bankruptcy or other creditor’s proceeding or the date of such taking, as the case may be. The Fair Market Value of the Repurchase Shares shall be determined as of the last day of the month preceding
the month in which the proceeding involved commenced or the taking occurred. 
 9.2 Exercise of Vested Share Repurchase Option. The
Company may exercise the Vested Share Repurchase Option by written notice to the Optionee, the Optionee’s legal representative, or other holder of the Repurchase Shares, as the case may be, during the Repurchase Period. The
“Repurchase Period” shall be the period commencing at the time set forth in Section 9.1 above and ending on the later of (a) the date ninety (90) days after the commencement of the Repurchase Period or
(b) the date ninety (90) days after the Option is last exercised. If the Company fails to give notice during the Repurchase Period, the Vested Share Repurchase Option shall terminate (unless the Company and the Optionee have extended the
time for the exercise of the Vested Share Repurchase Option) unless and until there is a subsequent Repurchase Event. Notwithstanding a termination of the Vested Share Repurchase Option, the remaining provisions of this Option Agreement shall remain
in full force and effect, including, without limitation, the Right of First Refusal set forth in Section 8. If there is a subsequent Repurchase Event, the Vested Share Repurchase Option shall again become exercisable as provided in this
Section 9. The Vested Share Repurchase Option must be 

  
 - 8 - 

 
exercised, if at all, for all of the Repurchase Shares, except as the Company and the Optionee otherwise agree. 

9.3 Payment for Repurchase Shares. The repurchase price per share being repurchased by the Company pursuant to the Vested Share
Repurchase Option shall be an amount equal to the Fair Market Value of the shares determined as of the date of the Repurchase Event (except as otherwise provided in Section 9.1(c) above) by the Board in good faith. Payment by the Company to the
Optionee shall be made in cash on or before the last day of the Repurchase Period. For purposes of the foregoing, cancellation of any indebtedness of the Optionee to the Company shall be treated as payment to the Optionee in cash to the extent of
the unpaid principal and any accrued interest canceled. 
 9.4 Transfers Not Subject to Vested Share Repurchase Option. The
Vested Share Repurchase Option shall not apply to any transfer or exchange of shares acquired upon exercise of the Option if such transfer or exchange is in connection with an Ownership Change Event. If the consideration received pursuant to such
transfer or exchange consists of stock of a Participating Company, such consideration will remain subject to the Vested Share Repurchase Option unless the provisions of Section 9.6 below result in a termination of the Vested Share Repurchase
Option. 
 9.5 Assignment of Vested Share Repurchase Option. The Company shall have the right to assign the Vested Share
Repurchase Option at any time, whether or not such option is then exercisable, to one or more persons as may be selected by the Company. 

9.6 Early Termination of Vested Share Repurchase Option. The other provisions of this Option Agreement notwithstanding, the
Vested Share Repurchase Option shall terminate and be of no further force and effect upon (a) the occurrence of a Change in Control, unless the Acquiring Corporation assumes the Company’s rights and obligations under the Option or
substitutes a substantially equivalent option for the Acquiring Corporation’s stock for the Option, or (b) the existence of a public market, as defined in Section 8.9, for the class of shares subject to the Vested Share Repurchase
Option. 
 10. ESCROW. 

10.1 Establishment of Escrow. To ensure that shares subject to the Right of First Refusal, the Vested Repurchase Option or securing any
promissory note will be available for repurchase, the Company may require the Optionee to deposit the certificate evidencing the shares which the Optionee purchases upon exercise of the Option with an agent designated by the Company under the terms
and conditions of an escrow agreement approved by the Company. If the Company does not require such deposit as a condition of exercise of the Option, the Company reserves the right at any time to require the Optionee to so deposit the certificate in
escrow. Upon the occurrence of an Ownership Change Event or a change, as described in Section 4.2 of the Plan, in the character or amount of any of the outstanding stock of the corporation the stock of which is subject to the provisions of this
Option Agreement, any and all new, substituted or additional securities or other property to which the Optionee is entitled by reason of the Optionee’s ownership of shares of Stock acquired upon exercise of the Option that remain, following
such Ownership Change Event or change described in Section 4.2 of the Plan, 

  
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subject to any security interest held by the Company shall be immediately subject to the escrow to the same extent as such shares of Stock immediately before such event. The Company shall bear
the expenses of the escrow. 
 10.2 Delivery of Shares to Optionee. As soon as practicable after the expiration of the Right of First
Refusal, the Vested Share Repurchase and after full repayment of any promissory note secured by the shares or other property held in escrow, the escrow agent shall deliver to the Optionee the shares and any other property no longer subject to such
restrictions and no longer securing any promissory note. 
 10.3 Notices and Payments. In the event the shares and any other property
held in escrow are subject to the Company’s exercise of the Vested Share Repurchase Option or the Right of First Refusal, the notices required to be given to the Optionee shall be given to the escrow agent, and any payment required to be given
to the Optionee shall be given to the escrow agent. Within thirty (30) days after payment by the Company, the escrow agent shall deliver the shares and any other property which the Company has purchased to the Company and shall deliver the
payment received from the Company to the Optionee. 
 11. STOCK DISTRIBUTIONS SUBJECT
TO OPTION AGREEMENT. 
 If, from time to time, there is any stock
dividend, stock split or other change, as described in Section 4.2 of the Plan, in the character or amount of any of the outstanding stock of the corporation the stock of which is subject to the provisions of this Option Agreement, then in such
event any and all new, substituted or additional securities to which the Optionee is entitled by reason of the Optionee’s ownership of the shares acquired upon exercise of the Option shall be immediately subject to the Right of First Refusal,
the Vested Share Repurchase Option and any security interest held by the Company with the same force and effect as the shares subject to the such restrictions immediately before such event. 

12. NOTICE OF SALES UPON DISQUALIFYING
DISPOSITION. 
 The Optionee shall dispose of the shares acquired pursuant to the Option only in
accordance with the provisions of this Option Agreement. In addition, if the Notice designates this Option as an Incentive Stock Option, the Optionee shall (a) promptly notify the Chief Financial Officer of the Company if the Optionee
disposes of any of the shares acquired pursuant to the Option within one (1) year after the date the Optionee exercises all or part of the Option or within two (2) years after the Date of Option Grant and (b) provide the Company with
a description of the circumstances of such disposition. Until such time as the Optionee disposes of such shares in a manner consistent with the provisions of this Option Agreement, unless otherwise expressly authorized by the Company, the Optionee
shall hold all shares acquired pursuant to the Option in the Optionee’s name (and not in the name of any nominee) for the one-year period immediately after the exercise of the Option and the two-year period immediately after Date of Option
Grant. At any time during the one-year or two-year periods set forth above, the Company may place a legend on any certificate representing shares acquired pursuant to the Option requesting the transfer agent for the Company’s stock to notify
the Company of any such transfers. The obligation of the Optionee to notify the Company of any such transfer shall 

  
 - 10 - 

 
continue notwithstanding that a legend has been placed on the certificate pursuant to the preceding sentence. 

13. REPRESENTATIONS AND WARRANTIES. 

In connection with the receipt of the Option and any acquisition of shares upon the exercise thereof, the Optionee hereby agrees, represents
and warrants as follows: 
 13.1 The Optionee is acquiring the Option and will acquire any shares of Stock upon exercise of the Option for
the Optionee’s own account, and not on behalf of any other person or as a nominee, for investment and not with a view to, or sale in connection with, any distribution of the Option or such shares. 

13.2 The Optionee was not presented with or solicited by any form of general solicitation or general advertising, including, but not limited
to, any advertisement, article, notice, or other communication published in any newspaper, magazine, or similar media, or broadcast over television, radio or similar communications media, or presented at any seminar or meeting whose attendees have
been invited by any general solicitation or general advertising. 
 13.3 The Optionee has either (a) a preexisting personal or business
relationship with the Company or any of its officers, directors, or controlling persons, consisting of personal or business contacts of a nature and duration to enable the Optionee to be aware of the character, business acumen and general business
and financial circumstances of the person with whom such relationship exists, or (b) such knowledge and experience in financial and business matters (or has relied on the financial and business knowledge and experience of the Optionee’s
professional advisor who is unaffiliated with and who is not, directly or indirectly, compensated by the Company or any affiliate or selling agent of the Company) as to make the Optionee capable of evaluating the merits and risks of the Option and
any investment in shares acquired pursuant to the Option and to protect the Optionee’s own interests in the transaction, or (c) both such relationship and such knowledge and experience. 

13.4 The Optionee understands that the Option and any shares acquired upon exercise of the Option have not been qualified under the Corporate
Securities Law of 1968, as amended, of the State of California by reason of a specific exemption therefrom, which exemption depends upon, among other things, the bona fide nature of the Optionee’s representations as expressed herein. The
Optionee understands that the Company is relying on the Optionee’s representations and warrants that the Company is entitled to rely on such representations and that such reliance is reasonable. 

14. LEGENDS. 

The Company may at any time place legends referencing the Right of First Refusal, the Vested Share Repurchase Option and any applicable
federal, state or foreign securities law restrictions on all certificates representing shares of stock subject to the provisions of this Option Agreement. The Optionee shall, at the request of the Company, promptly present to the Company any and all
certificates representing shares acquired pursuant to the Option in the possession of the Optionee in order to carry out the provisions of this Section. Unless otherwise 

  
 - 11 - 

 
specified by the Company, legends placed on such certificates may include, but shall not be limited to, the following: 

14.1 “THE SECURITIES EVIDENCED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE
SOLD, TRANSFERRED, ASSIGNED OR HYPOTHECATED UNLESS THERE IS AN EFFECTIVE REGISTRATION STATEMENT UNDER SUCH ACT COVERING SUCH SECURITIES, THE SALE IS MADE IN ACCORDANCE WITH RULE 144 OR RULE 701 UNDER THE ACT, OR THE COMPANY RECEIVES AN OPINION OF
COUNSEL REASONABLY SATISFACTORY TO THE COMPANY, STATING THAT SUCH SALE, TRANSFER, ASSIGNMENT OR HYPOTHECATION IS EXEMPT FROM THE REGISTRATION AND PROSPECTUS DELIVERY REQUIREMENTS OF SUCH ACT.” 

14.2 “THE SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO A VESTED SHARE REPURCHASE OPTION AND A RIGHT OF FIRST REFUSAL OPTION IN
FAVOR OF THE CORPORATION OR ITS ASSIGNEE SET FORTH IN AN AGREEMENT BETWEEN THE CORPORATION AND THE REGISTERED HOLDER, OR SUCH HOLDER’S PREDECESSOR IN INTEREST, A COPY OF WHICH IS ON FILE AT THE PRINCIPAL OFFICE OF THIS CORPORATION.” 

14.3 If the Notice designates this Option as an Incentive Stock Option: “THE SHARES EVIDENCED BY THIS CERTIFICATE WERE ISSUED BY
THE CORPORATION TO THE REGISTERED HOLDER UPON EXERCISE OF AN INCENTIVE STOCK OPTION AS DEFINED IN SECTION 422 OF THE INTERNAL REVENUE CODE OF 1986, AS AMENDED (“ISO”). IN ORDER TO OBTAIN THE PREFERENTIAL TAX TREATMENT AFFORDED TO ISOs, THE
SHARES SHOULD NOT BE TRANSFERRED PRIOR TO [INSERTLATER OF TWO YEARS AFTER THE DATE OF OPTION GRANT OR ONE YEAR AFTER THE DATE OF EXERCISE HERE]. SHOULD THE REGISTERED HOLDER ELECT TO TRANSFER ANY OF THE SHARES PRIOR TO THIS DATE AND
FOREGO ISO TAX TREATMENT, THE TRANSFER AGENT FOR THE SHARES SHALL NOTIFY THE CORPORATION IMMEDIATELY. THE REGISTERED HOLDER SHALL HOLD ALL SHARES PURCHASED UNDER THE INCENTIVE STOCK OPTION IN THE REGISTERED HOLDER’S NAME (AND NOT IN THE NAME OF
ANY NOMINEE) PRIOR TO THIS DATE OR UNTIL TRANSFERRED AS DESCRIBED ABOVE.” 
 15. LOCK-UP
AGREEMENT. 
 The Optionee hereby agrees that in the event of any underwritten public
offering of stock, including an initial public offering of stock, made by the Company pursuant to an effective registration statement filed under the Securities Act, the Optionee shall not offer, sell, contract to sell, pledge, hypothecate, grant
any option to purchase or make any short sale of, or otherwise dispose of any shares of stock of the Company or any rights to acquire stock of the Company for such period of time from and after the effective date of such registration statement as
may be established by the underwriter for such public offering; provided, however, that such period of time shall not exceed one hundred eighty (180) days from the effective date of the registration statement to be filed in connection with such
public offering. The foregoing limitation shall not apply to shares registered in the public offering under the Securities Act. 

  
 - 12 - 

	 	
16. RESTRICTIONS ON TRANSFER OF SHARES. 

No shares acquired upon exercise of the Option may be sold, exchanged, transferred (including, without limitation, any transfer to a nominee or
agent of the Optionee), assigned, pledged, hypothecated or otherwise disposed of, including by operation of law, in any manner which violates any of the provisions of this Option Agreement and any such attempted disposition shall be void. The
Company shall not be required (a) to transfer on its books any shares which will have been transferred in violation of any of the provisions set forth in this Option Agreement or (b) to treat as owner of such shares or to accord the right
to vote as such owner or to pay dividends to any transferee to whom such shares will have been so transferred. 
 17.
MISCELLANEOUS PROVISIONS. 
 17.1 Binding Effect. Subject to
the restrictions on transfer set forth herein, this Option Agreement shall inure to the benefit of and be binding upon the parties hereto and their respective heirs, executors, administrators, successors and assigns. 

17.2 Termination or Amendment. The Board may terminate or amend the Plan or the Option at any time; provided, however, that except as
provided in the Plan in connection with a Change in Control, no such termination or amendment may adversely affect the Option or any unexercised portion hereof without the consent of the Optionee unless such termination or amendment is necessary to
comply with any applicable law or government regulation or is required to enable the Option, if designated an Incentive Stock Option in the Notice, to qualify as an Incentive Stock Option. No amendment or addition to this Option Agreement shall be
effective unless in writing. 
 17.3 Notices. Any notice required or permitted hereunder shall be given in writing and shall be deemed
effectively given (except to the extent that this Option Agreement provides for effectiveness only upon actual receipt of such notice) upon personal delivery or upon deposit in the United States Post Office, by registered or certified mail, with
postage and fees prepaid, addressed to the other party at the address shown below that party’s signature or at such other address as such party may designate in writing from time to time to the other party. 

17.4 Integrated Agreement. The Notice, this Option Agreement and the Plan constitute the entire understanding and agreement of the
Optionee and the Participating Company Group with respect to the subject matter contained herein or therein and supersedes any prior agreements, understandings, restrictions, representations, or warranties among the Optionee and the Participating
Company Group with respect to such subject matter other than those as set forth or provided for herein or therein. To the extent contemplated herein or therein, the provisions of the Notice and the Option Agreement shall survive any exercise of the
Option and shall remain in full force and effect. 
 17.5 Applicable Law. This Option Agreement shall be governed by the laws of the
State of California as such laws are applied to agreements between California residents entered into and to be performed entirely within the State of California. 

  
 - 13 - 

 17.6 Counterparts. The Notice may be executed in counterparts, each of which shall be
deemed an original, but all of which together shall constitute one and the same instrument. 

  
 - 14 - 

							
	☐ Incentive Stock Option	 		 	Optionee:	  	  

	☐ Nonstatutory Stock Option	 		 	        Date:	  	  

 STOCK OPTION EXERCISE NOTICE 

One Stop Systems, Inc. 
 Attention: Chief Financial Officer 

735 South Vinewood Street 
 Escondido, CA 92029 

Ladies and Gentlemen: 
 1.
Option. I was granted an option (the “Option”) to purchase shares of the common stock (the “Shares”) of One Stop Systems, Inc. (the
“Company”) pursuant to the Company’s 2000 Stock Option Plan (the “Plan”), my Notice of Grant of Stock Option (the “Notice”) and my
Stock Option Agreement (the “Option Agreement”) as follows: 
  

									
		 	Grant Number:	 		  	  
	  	
					
		 	Date of Option Grant:	 		  	  
	  	
					
		 	Number of Option Shares:	 		  	  
	  	
					
		 	Exercise Price per Share:	 		  	$                                      
                	  	

 2. Exercise of Option. I hereby elect to exercise the Option to purchase the following number of
Shares, all of which are Vested Shares in accordance with the Notice and the Option Agreement: 
  

									
		 	Total Shares Purchased:	 		  	  
	  	
				
		 	Total Exercise Price (Total Shares X Price per Share)	  	$                                      
                	  	

 3. Payments. I enclose payment in full of the total exercise price for the Shares in the
following form(s), as authorized by my Option Agreement: 
  

									
		 	☐ Cash:	 		 	$                                      
                    	 	
					
		 	☐ Check:	 		 	$                                      
                    	 	
				
		 	☐ Tender of Company Stock:	 	Contact Plan Administrator	 	
					
		 	☐ Promissory Note:	 		 	Contact Plan Administrator	 	

 4. Tax Withholding. I authorize payroll withholding and otherwise will make adequate provision
for the federal, state, local and foreign tax withholding obligations of the Company, if any, in connection with the Option. 

  
 - 15 - 

 5. Optionee Information. 

 

							
		 	My address is:	  	  

		 		  	  

		 	My Social Security Number is:	  	  

 6. Notice of Disqualifying Disposition. If the Option is an Incentive Stock Option, I agree that
I will promptly notify the Chief Financial Officer of the Company if I transfer any of the Shares within one (1) year from the date I exercise all or part of the Option or within two (2) years of the Date of Option Grant. 

7. Binding Effect. I agree that the Shares are being acquired in accordance with and subject to the terms, provisions and
conditions of the Option Agreement, including the Right of First Refusal and the Vested Share Repurchase Option set forth therein, to all of which I hereby expressly assent. This Agreement shall inure to the benefit of and be binding upon the my
heirs, executors, administrators, successors and assigns. 
 8. Transfer. I understand and acknowledge that the Shares have not
been registered under the Securities Act of 1933, as amended (the “Securities Act”), and that consequently the Shares must be held indefinitely unless they are subsequently registered
under the Securities Act, an exemption from such registration is available, or they are sold in accordance with Rule 144 or Rule 701 under the Securities Act. I further understand and acknowledge that the Company is under no obligation to register
the Shares. I understand that the certificate or certificates evidencing the Shares will be imprinted with legends which prohibit the transfer of the Shares unless they are registered or such registration is not required in the opinion of legal
counsel satisfactory to the Company. I am aware that Rule 144 under the Securities Act, which permits limited public resale of securities acquired in a nonpublic offering, is not currently available with respect to the Shares and, in any event, is
available only if certain conditions are satisfied. I understand that any sale of the Shares that might be made in reliance upon Rule 144 may only be made in limited amounts in accordance with the terms and conditions of such rule and that a copy of
Rule 144 will be delivered to me upon request. 
 I understand that I am purchasing the Shares pursuant to the terms of the Plan, the Notice
and my Option Agreement, copies of which I have received and carefully read and understand. 
  

	
	 Very truly yours,
  

	
	(Signature)

  

			
	Receipt of the above is hereby acknowledged.
	
	ONE STOP SYSTEMS, INC.
		
	By:	 	 
		
	Title:	 	  

		
	Dated:	 	  

  
 - 16 -EX-10.3

 Exhibit 10.3 

ONE STOP SYSTEMS, INC. 

2011 STOCK OPTION PLAN 

December 6, 2011 

 TABLE OF CONTENTS 

 

					
	
1.           ESTABLISHMENT,
PURPOSE AND TERM OF PLAN
	  	 	3	 
	 1.1        Establishment
	  	 	3	 
	 1.2        Purpose
	  	 	3	 
	 1.3        Term of Plan
	  	 	3	 
	 2.           DEFINITIONS
AND CONSTRUCTION
	  	 	3	 
	 2.1        Definitions
	  	 	3	 
	 2.2        Construction
	  	 	6	 
	
3.           ADMINISTRATION
	  	 	6	 
	 3.1        Administration by the Board
	  	 	6	 
	 3.2        Authority of Officers
	  	 	6	 
	 3.3        Powers of the Board
	  	 	6	 
	 3.4        Administration with Respect to
Insiders
	  	 	7	 
	 3.5        Indemnification
	  	 	7	 
	 4.           SHARES
SUBJECT TO PLAN
	  	 	7	 
	 4.1        Maximum Number of Shares Issuable
	  	 	7	 
	 4.2        Adjustments for Changes in Capital
Structure
	  	 	8	 
	 5.           ELIGIBILITY
AND OPTION LIMITATIONS
	  	 	8	 
	 5.1        Persons Eligible for Options
	  	 	8	 
	 5.2        Option Grant Restrictions
	  	 	8	 
	 5.3        Fair Market Value Limitation
	  	 	8	 
	 6.           TERMS
AND CONDITIONS OF OPTIONS
	  	 	9	 
	 6.1        Exercise Price
	  	 	9	 
	 6.2        Exercisability and Term of Options
	  	 	9	 
	 6.3        Payment of Exercise Price
	  	 	9	 
	 6.4        Tax Withholding
	  	 	10	 
	 6.5        Repurchase Rights
	  	 	11	 
	 6.6        Effect of Termination of Service
	  	 	11	 
	 6.7        Transferability of Options
	  	 	12	 
	 7.           STANDARD
FORM OF OPTION AGREEMENT
	  	 	12	 
	 7.1        Option Agreement
	  	 	12	 
	 7.2        Authority to Vary Terms
	  	 	12	 
	 8.           CHANGE
IN CONTROL
	  	 	12	 
	 8.1        Definitions
	  	 	12	 
	 8.2        Effect of Change in Control on
Options
	  	 	13	 
	 9.           PROVISION
OF INFORMATION
	  	 	13	 
	 10.        COMPLIANCE
WITH SECURITIES LAW
	  	 	14	 
	 11.        TERMINATION OR
AMENDMENT OF PLAN
	  	 	14	 
	 12.        STOCKHOLDER
APPROVAL
	  	 	14	 
	 PLAN HISTORY
	  	 	15	 

 ONE STOP SYSTEMS, INC. 

2011 STOCK OPTION PLAN 
  

 
 1. ESTABLISHMENT,
PURPOSE AND TERM OF PLAN. 
 1.1
Establishment. The One Stop Systems, Inc. 2011 Stock Option Plan (the “Plan”) is hereby established effective as of December 6, 2011. 

1.2 Purpose. The purpose of the Plan is to advance the interests of the Participating Company Group and its stockholders by providing an
incentive to attract and retain persons performing services for the Participating Company Group and by motivating such persons to contribute to the growth and profitability of the Participating Company Group. 

1.3 Term of Plan. The Plan shall continue in effect until the earlier of its termination by the Board or the date on which all of the
shares of Stock available for issuance under the Plan have been issued and all restrictions on such shares under the terms of the Plan and the agreements evidencing Options granted under the Plan have lapsed. However, all Options shall be granted,
if at all, within ten (10) years from the earlier of the date the Plan is adopted by the Board or the date the Plan is duly approved by the stockholders of the Company. 

2. DEFINITIONS AND CONSTRUCTION. 

2.1 Definitions. Whenever used herein, the following terms shall have their respective meanings set forth below: 

(a) “Board” means the Board of Directors of the Company. If one or more Committees have been appointed by the Board to
administer the Plan, “Board” also means such Committee(s). 
 (b) “Code” means the Internal
Revenue Code of 1986, as amended, and any applicable regulations promulgated thereunder. 
 (c) “Committee” means
the Compensation Committee or other committee of the Board duly appointed to administer the Plan and having such powers as shall be specified by the Board. Unless the powers of the Committee have been specifically limited, the Committee shall have
all of the powers of the Board granted herein, including, without limitation, the power to amend or terminate the Plan at any time, subject to the terms of the Plan and any applicable limitations imposed by law. 

(d) “Company” means One Stop Systems, Inc., a California corporation, or any successor corporation thereto. 

(e) “Consultant” means a person engaged to provide consulting or advisory services (other than as an Employee or a
Director) to a Participating Company, provided that the identity of such person, the nature of such services or the entity to which such services are provided 

 ONE STOP SYSTEMS, INC. 2011
STOCK OPTION PLAN 
  
  

 would not preclude the Company from offering or selling securities to such person pursuant to the Plan in
reliance on either the exemption from registration provided by Rule 701 under the Securities Act or, if the Company is required to file reports pursuant to Section 13 or 15(d) of the Exchange Act, registration on a Form S-8 Registration Statement under the Securities Act. 
 (f) “Director” means a
member of the Board or of the board of directors of any other Participating Company. 
 (g) “Disability” means the
permanent and total disability of the Optionee within the meaning of Section 22(e)(3) of the Code. 
 (h)
“Employee” means any person treated as an employee (including an officer or a Director who is also treated as an employee) in the records of a Participating Company and, with respect to any Incentive Stock Option granted to
such person, who is an employee for purposes of Section 422 of the Code; provided, however, that neither service as a Director nor payment of a director’s fee shall be sufficient to constitute employment for purposes of the Plan. 

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

(j) “Fair Market Value” means, as of any date, the value of a share of Stock or other property as determined by the
Board, in its discretion, or by the Company, in its discretion, if such determination is expressly allocated to the Company herein, subject to the following: 

(i) If, on such date, the Stock is listed on a national or regional securities exchange or market system, the Fair Market Value of a share of
Stock shall be the closing price of a share of Stock (or the mean of the closing bid and asked prices of a share of Stock if the Stock is so quoted instead) as quoted on the Nasdaq National Market, The Nasdaq SmallCap Market or such other national
or regional securities exchange or market system constituting the primary market for the Stock, as reported in The Wall Street Journal or such other source as the Company deems reliable. If the relevant date does not fall on a day on which
the Stock has traded on such securities exchange or market system, the date on which the Fair Market Value shall be established shall be the last day on which the Stock was so traded prior to the relevant date, or such other appropriate day as shall
be determined by the Board, in its discretion. 
 (ii) If, on such date, the Stock is not listed on a national or regional securities
exchange or market system, the Fair Market Value of a share of Stock shall be as determined by the Board in good faith without regard to any restriction other than a restriction which, by its terms, will never lapse. 

(k) “Incentive Stock Option” means an Option intended to be (as set forth in the Option Agreement) and which qualifies
as an incentive stock option within the meaning of Section 422(b) of the Code. 
 (l) “Insider” means an
officer or a Director of the Company or any other person whose transactions in Stock are subject to Section 16 of the Exchange Act. 

(m) “Nonstatutory Stock Option” means an Option not intended to be (as set forth in the Option Agreement) or which
does not qualify as an Incentive Stock Option. 
  

  
 4 

 ONE STOP SYSTEMS, INC. 2011
STOCK OPTION PLAN 
  
  

 (n) “Option” means a right to purchase Stock (subject to adjustment
as provided in Section 4.2) pursuant to the terms and conditions of the Plan. An Option may be either an Incentive Stock Option or a Nonstatutory Stock Option. 

(o) “Option Agreement” means a written agreement between the Company and an Optionee setting forth the terms,
conditions and restrictions of the Option granted to the Optionee and any shares acquired upon the exercise thereof. An Option Agreement may consist of a form of “Notice of Grant of Stock Option” and a form of “Stock Option
Agreement” incorporated therein by reference or such other form or forms as the Board may approve from time to time. 
 (p)
“Optionee” means a person who has been granted one or more Options. 
 (q) “Parent
Corporation” means any present or future “parent corporation” of the Company, as defined in Section 424(e) of the Code. 

(r) “Participating Company” means the Company or any Parent Corporation or Subsidiary Corporation. 

(s) “Participating Company Group” means, at any point in time, all corporations collectively which are then
Participating Companies. 
 (t) “Rule 16b-3” means Rule 16b-3 under the Exchange Act, as amended from time to time, or any successor rule or regulation. 
 (u)
“Securities Act” means the Securities Act of 1933, as amended. 
 (v) “Service” means an
Optionee’s employment or service with the Participating Company Group, whether in the capacity of an Employee, a Director or a Consultant. An Optionee’s Service shall not be deemed to have terminated merely because of a change in the
capacity in which the Optionee renders Service to the Participating Company Group or a change in the Participating Company for which the Optionee renders such Service, provided that there is no interruption or termination of the Optionee’s
Service. Furthermore, an Optionee’s Service with the Participating Company Group shall not be deemed to have terminated if the Optionee takes any military leave, sick leave, or other bona fide leave of absence approved by the Company; provided,
however, that if any such leave exceeds ninety (90) days, on the ninety-first (91st) day of such leave the Optionee’s Service shall be deemed to have terminated unless the
Optionee’s right to return to Service with the Participating Company Group is guaranteed by statute or contract. Notwithstanding the foregoing, unless otherwise designated by the Company or required by law, a leave of absence shall not be
treated as Service for purposes of determining vesting under the Optionee’s Option Agreement. The Optionee’s Service shall be deemed to have terminated either upon an actual termination of Service or upon the corporation for which the
Optionee performs Service ceasing to be a Participating Company. Subject to the foregoing, the Company, in its discretion, shall determine whether the Optionee’s Service has terminated and the effective date of such termination. 

(w) “Stock” means the common stock of the Company, as adjusted form time to time in accordance with Section 4.2

  
 5 

 ONE STOP SYSTEMS, INC. 2011
STOCK OPTION PLAN 
  
  

 (x) “Subsidiary Corporation” means any present or future
“subsidiary corporation” of the Company, as defined in Section 424(f) of the Code. 
 (y) “Ten Percent Owner
Optionee” means an Optionee who, at the time an Option is granted to the Optionee, owns stock possessing more than ten percent (10%) of the total combined voting power of all classes of stock of the Participating Company within the
meaning of Section 422(b)(6) of the Code. 
 2.2 Construction. Captions and titles contained herein are for convenience only and
shall not affect the meaning or interpretation of any provision of the Plan. Except when otherwise indicated by the context, the singular shall include the plural and the plural shall include the singular. Use of the term “or” is not
intended to be exclusive, unless the context clearly requires otherwise. 
 3. ADMINISTRATION. 

3.1 Administration by the Board. The Plan shall be administered by the Board. All questions of interpretation of the Plan or of any
Option shall be determined by the Board, and such determinations shall be final and binding upon all persons having an interest in the Plan or such Option. 

3.2 Authority of Officers. Any officer of a Participating Company shall have the authority to act on behalf of the Company with respect
to any matter, right, obligation, determination or election which is the responsibility of or which is allocated to the Company herein, provided the officer has apparent authority with respect to such matter, right, obligation, determination or
election. 
 3.3 Powers of the Board. In addition to any other powers set forth in the Plan and subject to the provisions of the Plan,
the Board shall have the full and final power and authority, in its discretion: 
 (a) to determine the persons to whom, and the time or
times at which, Options shall be granted and the number of shares of Stock to be subject to each Option; 
 (b) to designate Options as
Incentive Stock Options or Nonstatutory Stock Options; 
 (c) to determine the Fair Market Value of shares of Stock or other property; 

(d) to determine the terms, conditions and restrictions applicable to each Option (which need not be identical) and any shares acquired upon
the exercise thereof, including, without limitation, (i) the exercise price of the Option, (ii) the method of payment for shares purchased upon the exercise of the Option, (iii) the method for satisfaction of any tax withholding
obligation arising in connection with the Option or such shares, including by the withholding or delivery of shares of stock, (iv) the timing, terms and conditions of the exercisability of the Option or the vesting of any shares acquired upon
the exercise thereof, (v) the time of the expiration of the Option, (vi) the effect of the Optionee’s termination of Service with the Participating Company 

  
 6 

 ONE STOP SYSTEMS, INC. 2011
STOCK OPTION PLAN 
  
  

 Group on any of the foregoing, and (vii) all other terms, conditions and restrictions applicable to the
Option or such shares not inconsistent with the terms of the Plan; 
 (e) to approve or one or more forms of Option Agreement; 

(f) to amend, modify, extend, cancel or renew any Option or to waive any restrictions or conditions applicable to any Option or any shares
acquired upon the exercise thereof; 
 (g) to accelerate, continue, extend or defer the exercisability of any Option or the vesting of any
shares acquired upon the exercise thereof, including with respect to the period following an Optionee’s termination of Service with the Participating Company Group; 

(h) to prescribe, amend or rescind rules, guidelines and policies relating to the Plan, or to adopt supplements to, or alternative versions
of, the Plan, including, without limitation, as the Board deems necessary or desirable to comply with the laws of, or to accommodate the tax policy or custom of, foreign jurisdictions whose citizens may be granted Options; and 

(i) to correct any defect, supply any omission or reconcile any inconsistency in the Plan or any Option Agreement and to make all other
determinations and take such other actions with respect to the Plan or any Option as the Board may deem advisable to the extent no inconsistent with the provisions of the Plan or applicable law. 

3.4 Administration with Respect to Insiders. With respect to participation by Insiders in the Plan, at any time that any class of equity
security of the Company is registered pursuant to Section 12 of the Exchange Act, the Plan shall be administered with compliance with the requirements, if any, of Rule 16b-3. 

3.5 Indemnification. In addition to such other rights of indemnification as they may have as members of the Board or officers or
employees of the Participating Company Group, members of the Board and any officers or employees of the Participating Company Group to whom authority to act for the Board or the Company is delegated shall be indemnified by the Company against all
reasonable expenses, including attorneys’ fees, actually and necessarily incurred in connection with the defense of any action, suit or proceeding, or in connection with any appeal therein, to which they or any of them may be a party by reason
of any action taken or failure to act under or in connection with the Plan, or any right granted hereunder, and against all amounts paid by them in settlement thereof (provided such settlement is approved by independent legal counsel selected by the
Company) or paid by them in satisfaction of a judgment in any such action, suit or proceeding, except in relation to matters as to which it shall be adjudged in such action, suit or proceeding that such person is liable for gross negligence, bad
faith or intentional misconduct in duties; provided, however, that within sixty (60) days after the institution of such action, suit or proceeding, such person shall offer to the Company, in writing, the opportunity as its own expense to handle
and defend the same. 
 4. SHARES SUBJECT TO PLAN. 

4.1 Maximum Number of Shares Issuable. Subject to adjustment as provided in Section 4.2, the maximum aggregate number of shares of
Stock that may be issued under the Plan 

  
 7 

 ONE STOP SYSTEMS, INC. 2011
STOCK OPTION PLAN 
  
  

 
shall be One Million Five Hundred Thousand (1,500,000) and shall consist of authorized but unissued or reacquired shares of Stock or any combination thereof. If an outstanding Option for any
reason expires or is terminated or canceled or if shares of Stock are acquired upon the exercise of an Option subject to a Company repurchase option and are repurchased by the Company at the Optionee’s exercise price, the shares of Stock
allocable to the unexercised portion of such Option or such repurchased shares of Stock shall again be available for issuance under the Plan. 

4.2 Adjustments for Changes in Capital Structure. In the event of any stock dividend, stock split, reverse stock split,
recapitalization, combination, reclassification or similar change in the capital structure of the Company, appropriate adjustments shall be made in the number and class of shares subject to the Plan and to any outstanding Options and in the exercise
price per share of any outstanding Options. If a majority of the shares which are of the same class as the shares that are subject to outstanding Options are exchanged for, converted into, or otherwise become (whether or not pursuant to an Ownership
Change Event, as defined in Section 8.1) shares of another corporation (the “New Shares”), the Board may unilaterally amend the outstanding Options to provide that such Options are exercisable for New Shares. In the event of any such
amendment, the number of shares subject to, and the exercise price per share of, the outstanding Options shall be adjusted in a fair and equitable manner as determined by the Board, in its discretion. Notwithstanding the foregoing, any fractional
share resulting from an adjustment pursuant to this Section 4.2 shall be rounded down to the nearest whole number, and in no event may the exercise price of any Option be decreased to an amount less than the par value, if any, of the stock
subject to the Option. The adjustments determined by the Board pursuant to this Section 4.2 shall be final, binding and conclusive. 
 5.
ELIGIBILITY AND OPTION LIMITATIONS. 
 5.1 Persons
Eligible for Options. Options may be granted only to Employees, Consultants, and Directors. For purposes of the foregoing sentence, “Employees,” “Consultants” and “Directors” shall include prospective Employees,
prospective Consultants and prospective Directors to whom Options are granted in connection with written offers of an employment or other service relationship with the Participating Company Group. Eligible persons may be granted more than one
(1) Option. 
 5.2 Option Grant Restrictions. Any person who is not an Employee on the effective date of the grant of an Option
to such person may be granted only a Nonstatutory Stock Option. An Incentive Stock Option granted to a prospective Employee upon the condition that such person become an Employee shall be deemed granted effective on the date such person commences
Service with a Participating Company, with an exercise price determined as of such date in accordance with Section 6.1. 
 5.3 Fair
Market Value Limitation. To the extent that Options designated as Incentive Stock Options (granted under all stock option plans of the Participating Company Group, including the Plan) become exercisable by an Optionee for the first time during
any calendar year for stock having a Fair Market Value greater than One Hundred Thousand Dollars ($100,000), the portions of such Options which exceed such amount shall be treated as Nonstatutory Stock Options. For purposes of this Section 5.3,
Options designated as Incentive Stock Options shall be taken into account in the order in which they were granted, and the Fair Market Value of stock shall be determined as of the time the Option with respect to such stock is granted. If the Code is

  
 8 

 ONE STOP SYSTEMS, INC. 2011
STOCK OPTION PLAN 
  
  

 amended to provide for a different limitation from that set forth in this Section 5.3, such different
limitation shall be deemed incorporated herein effective as of the date and with respect to such Options as required or permitted by such amendment to the Code. If an Option is treated as an Incentive Stock Option in part and as a Nonstatutory Stock
Option in part by reason of the limitation set forth in this Section 5.3, the Optionee may designate which portion of such Option the Optionee is exercising. In the absence of such designation, the Optionee shall be deemed to have exercised the
Incentive Stock Option portion of the Option first. Separate certificates representing each such portion shall be issued upon the exercise of the Option. 

6. TERMS AND CONDITIONS OF OPTIONS. 

Options shall be evidenced by Option Agreements specifying the number of shares of Stock covered thereby, in such form as the Board shall from
time to time establish. No Option or purported Option shall be a valid and binding obligation of the Company unless evidenced by a fully executed Option Agreement. Option Agreements may incorporate all or any of the terms of the Plan by reference
and shall comply with and be subject to the following terms and conditions: 
 6.1 Exercise Price. The exercise price for each Option
shall be established in the discretion of the Board; provided, however, that (a) the exercise price per share for an Incentive Stock Option shall be not less than the Fair Market Value of a share of Stock on the effective date of grant of the
Incentive Stock Option, and (b) no Incentive Stock Option granted to a Ten Percent Owner Optionee shall have an exercise price per share less than one hundred ten percent (110%) of the Fair Market Value of a share of Stock on the effective date
of grant of the Option. Notwithstading the foregoing, an Option (whether an Incentive Stock Option or a Nonstatutory Stock Option) may be granted with an exercise price lower than the minimum exercise price set forth above if such Option is granted
pursuant to an assumption or substitution for another option in a manner qualifying under the provisions of Section 424(a) of the Code. 

6.2 Exercisability and Term of Options. Options shall be exercisable at such time or times, or upon such event or events, and subject to
such terms, conditions, performance criteria and restrictions as shall be determined by the Board and set forth in the Option Agreement evidencing such Option; provided, however, that (a) no Option shall be exercisable after the expiration of
ten (10) years after the effective date of grant of such Option, (b) no Incentive Stock Option granted to a Ten Percent Owner Optionee shall be exercisable after the expiration of five (5) years after the effective date of grant of
such Option, and (c) no Option granted to a prospective Employee, prospective Consultant or prospective Director may become exercisable prior to the date on which such person commences Service with a Participating Company. Subject to the
foregoing, unless otherwise specified by the Board in the grant of an Option, any Option granted hereunder shall terminate ten (10) years after the effective date of grant of the Option, unless earlier terminated in accordance with its
provisions. 
 6.3 Payment of Exercise Price. 

(a) Forms of Consideration Authorized. Except as otherwise provided below, payment of the exercise price for the number of
shares of Stock being purchased pursuant to any Option shall be made (i) in cash, by check or cash equivalent, (ii) by tender to the 

  
 9 

 ONE STOP SYSTEMS, INC. 2011
STOCK OPTION PLAN 
  
  

 Company, or attestation to the ownership, of shares of Stock owned by the Optionee having a Fair Market Value
(as determined by the Company without regard to any restrictions on transferability applicable to such stock by reason of federal or state securities laws or agreements with an underwriter for the Company) not less than the exercise price,
(iii) by delivery of a properly executed notice together with irrevocable instructions to a broker providing for the assignment to the Company of the proceeds of a sale or loan with respect to some or all of the shares being acquired upon the
exercise of the Option (including, without limitation, through an exercise complying with the provisions of Regulation T as promulgated from time to time by the Board of Governors with the Federal Reserve System) (a “Cashless
Exercise”), (iv) by delivery of the Optionee’s promissory note in a form approved by the Company, (v) by such other consideration as may be approved by the Board from time to time to the extent permitted by applicable law, or
(vi) by any combination thereof. The Board may at any time or from time to time, by approval of or by amendment to the standard forms of Option Agreement described in Section 7, or by other means, grant Options which do not permit all of
the foregoing forms of consideration to be used in payment of the exercise price or which otherwise restrict one or more forms of consideration. 

(b) Limitations on Forms of Consideration. 

(i) Tender of Stock. Notwithstanding the foregoing, an Option may not be exercised by tender to the Company, or attestation to the
ownership, of shares of Stock to the extent such tender or attestation would constitute a violation of the provisions of any law, regulation or agreement restricting the redemption of the Company’s stock. Unless otherwise provided by the Board,
an Option may not be exercised by tender to the Company, or attestation to the ownership, of shares of Stock unless such shares either have been owned by the Optionee for more than six (6) months or were not acquired, directly or indirectly,
from the Company. 
 (ii) Cashless Exercise. The Company reserves, at any and all times, the right, in the Company’s sole
and absolute discretion, to establish, decline to approve or terminate any program or procedures for the exercise of Options by means of a Cashless Exercise. 

(iii) Payment by Promissory Note. No promissory note shall be permitted if the exercise of an Option using a promissory note
would be a violation of any law. Any permitted promissory note shall be on such terms as the Board shall determine at the time the Option is granted. The Board shall have the authority to permit or require the Optionee to secure any promissory note
used to exercise an Option with the shares of Stock acquired upon the exercise of the Option or with other collateral acceptable to the Company. Unless otherwise provided by the Board, if the Company at any time is subject to the regulations
promulgated by the Board of Governors of the Federal Reserve System or any other governmental entity affecting the extension of credit in connection with the Company’s securities, any promissory note shall comply with such applicable
regulations, and the Optionee shall pay the unpaid principal and accrued interest, if any, to the extent necessary to comply with such applicable regulations. 

6.4 Tax Withholding. The Company shall have the right, but not the obligation, to deduct from the shares of Stock issuable upon the
exercise of an Option, or to accept from the Optionee the tender of, a number of whole shares of Stock having a Fair Market Value, as determined by the Company, equal to all or any part of the federal, state, local and foreign taxes, if any,
required by law to be withheld by the Participating Company Group with respect to such Option or the shares acquired upon the exercise thereof. Alternatively or in addition, in its 

  
 10 

 ONE STOP SYSTEMS, INC. 2011
STOCK OPTION PLAN 
  
  

 discretion, the Company shall have the right to require the Optionee, through payroll withholding, cash
payment or otherwise, including by means of Cashless Exercise, to make adequate provision for any such tax withholding obligations of the Participating Company Group arising in connection with the Option or the shares acquired upon the exercise
thereof. The Fair Market Value of any shares of Stock withheld or tendered to satisfy any such tax withholding obligations shall not exceed the amount determined by the applicable minimum statutory withholding rates. The Company shall have no
obligation to deliver shares of Stock or to release shares of Stock from an escrow established pursuant to the Option Agreement until the Participating Company Group’s tax withholding obligations have been satisfied by the Optionee. 

6.5 Repurchase Rights. Shares issued under the Plan may be subject to a right of first refusal, one or more repurchase options, or other
conditions and restrictions as determined by the Board in its discretion at the time the Option is granted. The Company shall have the right to assign at any time any repurchase right it may have, whether or not such right is then exercisable, to
one or more persons as may be selected by the Company. Upon request by the Company, each Optionee shall execute any agreement evidencing such transfer restrictions prior to the receipt of shares of Stock hereunder and shall promptly present to the
Company any and all certificates representing shares of Stock acquired hereunder for the placement on such certificates of appropriate legends evidencing any such transfer restrictions. 

6.6 Effect of Termination of Service. 

(a) Option Exercisability. Subject to earlier termination of the Option as otherwise provided herein and unless otherwise
provided by the Board in the grant of an Option and set forth in the Option Agreement, an Option shall be exercisable after an Optionee’s termination of Service only during the applicable time period determined in accordance with this
Section 6.6 and thereafter shall terminate: 
 (i) Disability. If the Optionee’s Service with the Participating Company
Group terminates because of the Disability of the Optionee, the Option, to the extent unexercised and exercisable on the date on which the Optionee’s Service terminated, may be exercised by the Optionee (or the Optionee’s guardian or legal
representative) at any time prior to the expiration of twelve (12) months (or such other period of time as determined by the Board, in its discretion) after the date on which the Optionee’s Service terminated, but in any event no later
than the date of expiration of the Option’s term as set forth in the Option Agreement evidencing such Option (the “Option Expiration Date”). 

(ii) Death. If the Optionee’s Service with the Participating Company Group terminates because of the death of the Optionee, the
Option, to the extent unexercised and exercisable on the date on which the Optionee’s Service terminated, may be exercised by the Optionee’s legal representative or other person who acquired the right to exercise the Option by reason of
the Optionee’s death at any time prior to the expiration of twelve (12) months (or such other period of time as determined by the Board, in its discretion) after the date on which the Optionee’s Service terminated, but in any event no
later than the Option Expiration Date. The Optionee’s Service shall be deemed to have terminated on account of death if the Optionee dies within three (3) months (or such other period of time as determined by the Board, in its discretion)
after the Optionee’s termination of Service (unless the termination was for cause). 

  
 11 

 ONE STOP SYSTEMS, INC. 2011
STOCK OPTION PLAN 
  
  

 (iii) Other Termination of Service. If the Optionee’s Service with the
Participating Company Group terminates for any reason, except Disability or death, the Option, to the extent unexercised and exercisable by the Optionee on the date on which the Optionee’s Service terminated, may be exercised by the Optionee at
any time prior to the expiration of three (3) months (or such other period of time as determined by the Board, in its discretion) after the date on which the Optionee’s Service terminated, but in any event no later than the Option
Expiration Date. 
 (b) Extension if Exercise Prevented by Law. Notwithstanding the foregoing, if the exercise of an Option
within the applicable time periods set forth in Section 6.6(a) is prevented by the provisions of Section 10 below, the Option shall remain exercisable until three (3) months (or such longer period of time as determined by the Board, in its
discretion) after the date the Optionee is notified by the Company that the Option is exercisable, but in any event no later than the Option Expiration Date. 

(c) Extension of Optionee Subject to Section 16(b). Notwithstanding the foregoing, if a sale within the applicable time
periods set forth in Section 6.6(a) of shares acquired upon the exercise of the Option would subject the Optionee to suit under Section 16(b) of the Exchange Act, the Option shall remain exercisable until the earliest to occur of
(i) the tenth (10th) day following the date on which a sale of such shares by the Optionee would no longer be subject to such suit, (ii) the one hundred and ninetieth (190th) day after the Optionee’s termination of Service, or (iii) the Option Expiration Date. 

6.7 Transferability of Options. During the lifetime of the Optionee, an Option shall be exercisable only by the Optionee or the
Optionee’s guardian or legal representative. No Optionee shall be assignable or transferable by the Optionee, except by will or by the laws of descent and distribution. Notwithstanding the foregoing, to the extent permitted by the Board, in its
discretion, and set forth in the Option Agreement evidencing such Option, a Nonstatutory Stock Option shall be assignable or transferable subject to the applicable limitations, if any described in Rule 701 under the Securities Act. 

7. STANDARD FORM OF OPTION AGREEMENT. 

7.1 Option Agreement. Unless otherwise provided by the Board at the time the Option is granted, an Option shall comply with and be the
subject to the terms and conditions set forth in the form of Option Agreement approved by the Board concurrently with its adoption of the Plan and as amended from time to time. 

7.2 Authority to Vary Terms. The Board shall have the authority from time to time to vary the terms of any standard form of Option
Agreement described in this Section 7 either in connection with the grant or amendment of an individual Option or in connection with the authorization of a new standard form or forms; provided, however, that the terms and conditions of any such
new, revised or amended standard form or forms of Option Agreement are not inconsistent with the terms of the Plan. 
 8. CHANGE
IN CONTROL. 
 8.1 Definitions. 

  
 12 

 ONE STOP SYSTEMS, INC. 2011
STOCK OPTION PLAN 
  
  

 (a) An “Ownership Change Event” shall be deemed to have occurred if
any of the following occurs with respect to the Company: (i) the direct or indirect sale or exchange in a single or series of related transactions by the stockholders of the Company of more than fifty percent (50%) of the voting stock of the
Company; (ii) a merger or consolidation in which the Company is a party; (iii) the sale, exchange, or transfer of all or substantially all of the assets of the Company; or (iv) a liquidation or dissolution of the Company. 

(b) A “Change in Control” shall mean an Ownership Change Event or a series of related Ownership Change Events
(collectively, a “Transaction”) wherein the stockholders of the Company immediately before the Transaction do not retain immediately after the Transaction, in substantially the same proportions as their ownership of shares of the
Company’s voting stock immediately before the Transaction, direct or indirect beneficial ownership of more than fifty percent (50%) of the total combined voting power of the outstanding voting stock of the Company or the corporation or
corporations to which the assets of the Company were transferred (the “Transferee Corporation(s)”), as the case may be. For purposes of the preceding sentence, indirect beneficial ownership shall include, without limitation, an interest
resulting from ownership of the voting stock of one or more corporations which, as a result of the Transaction, own the Company or the Transferee Corporation(s), as the case may be, either directly or through one or more subsidiary corporations. The
Board shall have the right to determine whether multiple sales or exchanges of the voting stock of the Company or multiple Ownership Change Events are related, and its determination shall be final, binding and conclusive. 

8.2 Effect of Change in Control on Options. In the event of a Change in Control, the surviving, continuing, successor, or purchasing
corporation or parent corporation thereof, as the case may be (the “Acquiring Corporation”), may either assume the Company’s rights and obligations under outstanding Options or substitute for outstanding Options substantially
equivalent options for the Acquiring Corporation’s stock. In the event the Acquiring Corporation elects not to assume or substitute for outstanding Options in connection with a Change in Control, any unexercisable or unvested portions of
outstanding Options held by Optionees whose Service has not terminated prior to such date shall be immediately exercisable and vested in full as of the date ten (10) days prior to the date of the Change in Control. The exercise or vesting of
any Option that was permissible solely by reason of this Section 8.2 shall be conditioned upon the consummation of the Change in Control. Any Options which are neither assumed or substituted for by the Acquiring Corporation in connection with
the Change in Control nor exercised as of the date of the Change in Control shall terminate and cease to be outstanding effective as of the date of the Change in Control. Notwithstanding the foregoing, shares acquired upon exercise of an Option
prior to the Change in Control and any consideration received pursuant to the Change in Control with respect to such shares shall continue to be subject to all applicable provisions of the Option Agreement evidencing such Option except as otherwise
provided in such Option Agreement. 
 9. PROVISION OF INFORMATION. 

At least annually, copies of the Company’s balance sheet and income statement for the just completed fiscal year shall be made available
to each Optionee and purchaser of Shares upon exercise of an Option. The Company shall not be required to provide such information to key employees whose duties in connection with the Company assure them access to equivalent information. 

  
 13 

 ONE STOP SYSTEMS, INC. 2011
STOCK OPTION PLAN 
  
  

 10. COMPLIANCE WITH SECURITIES
LAW. 
 The grant of Options and the issuance of shares of Stock upon exercise of Options shall be
subject to compliance with all applicable requirements of federal, state and foreign law with respect to such securities. Options may not be exercised if the issuance of shares of Stock upon exercise would constitute a violation of any applicable
federal, state or foreign securities laws or other law or regulations or the requirements of any stock exchange or market system upon which the Stock may then be listed. In addition, no Option may be exercised unless (a) a registration
statement under the Securities Act shall at the time of exercise of the Option be in effect with respect to the shares issuable upon exercise of the Option or (b) in the opinion of legal counsel to the Company, the shares issuable upon exercise
of the Option may be issued in accordance with the terms of an applicable exemption from the registration requirements of the Securities Act. The inability of the Company to obtain from any regulatory body having jurisdiction the authority, if any,
deemed by the Company’s legal counsel to be necessary to the lawful issuance and sale of any shares hereunder shall relieve the Company of any liability in respect of the failure to issue or sell such shares as to which such requisite authority
shall not have been obtained. As a condition to the exercise of any Option, the Company may require the Optionee to satisfy any qualifications that may be necessary or appropriate, to evidence compliance with any applicable law or regulation and to
make any representation or warranty with respect thereto as may be requested by the Company. 
 11. TERMINATION OR
AMENDMENT OF PLAN. 
 The Board may terminate or amend the Plan at any
time. However, subject to changes in applicable law, regulations or rules that would permit otherwise, without the approval of the Company’s stockholders, there shall be (a) no increase in the maximum aggregate number of shares of Stock
that may be issued under the Plan (except by operation of the provisions of Section 4.2), (b) no change in the class of persons eligible to receive Incentive Stock Options, and (c) no other amendment of the Plan that would require approval
of the Company’s stockholders under any applicable law, regulation or rule. No termination or amendment of the Plan shall affect any then outstanding Option unless expressly provided by the Board. In any event, no termination or amendment of
the Plan may adversely affect any then outstanding Option without the consent of the Optionee, unless such termination or amendment is required to enable an Option designated as an Incentive Stock Option to qualify as an Incentive Stock Option or is
necessary to comply with any applicable law, regulation or rule. 
 12. STOCKHOLDER APPROVAL.

 The Plan or any increase in the maximum aggregate number of shares of Stock issuable thereunder as provided in Section 4.1 (the
“Authorized Shares”) shall be approved by the stockholders of the Company within twelve (12) months of the date of adoption thereof by the Board. Options granted prior to stockholder approval of the Plan or in excess of
the Authorized Shares previously approved by the stockholders shall become exercisable no earlier than the date of stockholder approval of the Plan or such increase in the Authorized Shares, as the case may be. 

  
 14 

 ONE STOP SYSTEMS, INC. 2011
STOCK OPTION PLAN 
  
  

 PLAN HISTORY 

 

			
	December 6, 2011	  	Board adopts Plan, with an initial reserve of 1,500,000 shares.
		
	December 6, 2011	  	Stockholders approve Plan, with an initial reserve of 1,500,000 shares.

  
 15 

 ONE STOP SYSTEMS, INC. 

STOCK OPTION AGREEMENT 

 TABLE OF CONTENTS 

 

					
	   1.        DEFINITIONS
AND CONSTRUCTION
	  	 	1	 
	 1.1        Definitions
	  	 	1	 
	 1.2        Construction
	  	 	1	 
	   2.        TAX
CONSEQUENCES
	  	 	1	 
	 2.1        Tax Status of Option
	  	 	1	 
	 2.2        ISO Fair Market Value Limitation
	  	 	2	 
	   3.        EXERCISE
OF THE OPTION
	  	 	2	 
	 3.1        Right to Exercise
	  	 	2	 
	 3.2        Method of Exercise
	  	 	2	 
	 3.3        Payment of Exercise Price
	  	 	3	 
	 3.4        Tax Withholding
	  	 	3	 
	 3.5        Certificate Registration
	  	 	3	 
	 3.6        Restrictions on Grant of the Option and
Issuance of Shares
	  	 	3	 
	 3.7        Fractional Shares
	  	 	4	 
	   4.        NONTRANSFERABILITY
OF THE OPTION
	  	 	4	 
	   5.        TERMINATION
OF THE OPTION
	  	 	4	 
	   6.        EFFECT
OF TERMINATION OF SERVICE
	  	 	4	 
	 6.1        Option Exercisability
	  	 	4	 
	 6.2        Extension if Exercise Prevented by
Law
	  	 	5	 
	 6.3        Extension if Optionee Subject to
Section 16(b)
	  	 	5	 
	   7.        RIGHTS
AS A SHAREHOLDER, EMPLOYEE OR CONSULTANT
	  	 	5	 
	   8.        RIGHT
OF FIRST REFUSAL
	  	 	5	 
	 8.1        Grant of Right of First Refusal
	  	 	5	 
	 8.2        Notice of Proposed Transfer
	  	 	6	 
	 8.3        Bona Fide Transfer
	  	 	6	 
	 8.4        Exercise of Right of First Refusal
	  	 	6	 
	 8.5        Failure to Exercise Right of First
Refusal
	  	 	7	 
	 8.6        Transferees of Transfer Shares
	  	 	7	 
	 8.7        Transfers Not Subject to Right of First
Refusal
	  	 	7	 
	 8.8        Assignment of Right of First
Refusal
	  	 	7	 
	 8.9        Early Termination of Right of First
Refusal
	  	 	7	 
	   9.        VESTED
SHARE REPURCHASE OPTION
	  	 	7	 
	 9.1        Grant of Vested Share Repurchase
Option
	  	 	7	 
	 9.2        Exercise of Vested Share Repurchase
Option
	  	 	8	 
	 9.3        Payment for Repurchase Shares
	  	 	8	 
	 9.4        Transfers Not Subject to Vested Share
Repurchase Option
	  	 	9	 
	 9.5        Assignment of Vested Share Repurchase
Option
	  	 	9	 
	 9.6        Early Termination of Vested Share Repurchase
Option
	  	 	9	 
	 10.        ESCROW
	  	 	9	 
	 10.1      Establishment of Escrow
	  	 	9	 
	 10.2      Delivery of Shares to Optionee
	  	 	9	 
	 10.3      Notices and Payments
	  	 	9	 
	 11.        STOCK
DISTRIBUTIONS SUBJECT TO OPTION AGREEMENT
	  	 	10	 
	 12.        NOTICE OF
SALES UPON DISQUALIFYING DISPOSITION
	  	 	10	 
	 13.        REPRESENTATIONS
AND WARRANTIES
	  	 	10	 

 ONE STOP SYSTEMS, INC. –
STOCK OPTION AGREEMENT 
  

 

					
	 14.        LEGENDS
	  	 	11	 
	 15.        LOCK-UP
AGREEMENT
	  	 	12	 
	 16.        RESTRICTIONS
ON TRANSFER OF SHARES
	  	 	12	 
	 17.        MISCELLANEOUS
PROVISIONS
	  	 	12	 
	 17.1      Binding Effect
	  	 	12	 
	 17.2      Termination or Amendment
	  	 	12	 
	 17.3      Notices
	  	 	13	 
	 17.4      Integrated Agreement
	  	 	13	 
	 17.5      Applicable Law
	  	 	13	 
	 17.6      Counterparts
	  	 	13	 
	STOCK OPTION EXERCISE NOTICE	  	 	14	 

  
 2 

 ONE STOP SYSTEMS, INC. 

STOCK OPTION AGREEMENT 
  

 
 ONE
STOP SYSTEMS, INC. has granted to the individual (the “Optionee”) named in the Notice of Grant of Stock Option (the “Notice”) to which this Stock Option Agreement (the
“Option Agreement”) is attached an option (the “Option”) to purchase certain shares of Stock upon the terms and conditions set forth in the Notice and this Option Agreement. The Option has been granted pursuant to
and shall in all respects be subject to the terms and conditions of the ONE STOP SYSTEMS, INC. 2011 STOCK OPTION PLAN (the “Plan”), as amended to the Date of Option Grant, the provisions of which are incorporated herein by
reference. By signing the Notice, the Optionee: (a) represents that the Optionee has read and is familiar with the terms and conditions of the Notice, the Plan and this Option Agreement, including the Right of First Refusal set forth in
Section 8 and the Vested Share Repurchase Option set forth in Section 9, (b) accepts the Option subject to all the terms and conditions of the Notice, the Plan and this Option Agreement, (c) agrees to accept as binding, conclusive and
final all decisions or interpretations of the Board upon any questions arising under the Notice, the Plan or this Option Agreement, and (d) acknowledges receipt of a copy of the Notice, the Plan and this Option Agreement. 

1. DEFINITIONS AND CONSTRUCTION. 

1.1 Definitions. Unless otherwise defined herein, capitalized terms shall have the meanings assigned to such terms in the Notice or the
Plan. 
 1.2 Construction. Captions and titles contained herein are for convenience only and shall not affect the meaning or
interpretation of any provision of this Option Agreement. Except when otherwise indicated by the context, the singular shall include the plural and the plural shall include the singular. Use of the term “or” is not intended to be
exclusive, unless the context clearly requires otherwise. 
 2. TAX CONSEQUENCES. 

2.1 Tax Status of Option. This Option is intended to have the tax status designate in the Notice. 

(a) Incentive Stock Option. If the Notice so designates, this Option is intended to be an Incentive Stock Option within the
meaning of Section 422(b) of the Code, but the Company does not represent or warrant that this Option qualifies as such. The Optionee should consult with the Optionee’s own tax advisor regarding the tax effects of this Option and the
requirements necessary to obtain favorable income tax treatment under Section 422 of the Code, including, but not limited to, holding period requirements. (NOTE TO OPTIONEE: If the Option is exercised more than three (3) months after the
date on which you cease to be an Employee (other than by reason of your death or Disability, the Option will be treated as Nonstatutory Stock Option and not as an Incentive Stock Option to the extent required by Section 422 of the Code.) 

 

 ONE STOP SYSTEMS, INC. –
STOCK OPTION AGREEMENT 
  

 

 (b) Nonstatutory Stock Option. If the Notice so designates, this Option is
intended to be a Nonstatutory Stock Option and shall not be treated as an Incentive Stock Option within the meaning of Section 422(b) of the Code. 

2.2 ISO Fair Market Value Limitation. If the Notice designates this Option as an Incentive Stock Option, then to the extent that the
Option (together with all Incentive Stock Options granted to the Optionee under all stock option plans of the Participating Company Group, including the Plan) become exercisable for the first time during any calendar year for shares having a Fair
Market Value greater than One Hundred Thousand Dollars ($100,000), the portion of such options which exceeds such amount will be treated as Nonstatutory Stock Options. For purposes of this Section 2.2, options designated as Incentive Stock
Options are taken into account in the order in which they were granted, and the Fair Market Value of stock is determined as of the time the option with respect to such stock is granted. If the Code is amended to provide for a different limitation
from that set forth in this Section 2.2, such different limitation shall be deemed incorporated herein effective as of the date required or permitted by such amendment to the Code. If the Option is treated as an Incentive Stock Option in part
and as a Nonstatutory Stock Option in part by reason of the limitation set forth in this Section 2.2, the Optionee may designate which portion of such Option the Optionee is exercising. In the absence of such designation, the Optionee shall be
deemed to have exercised the Incentive Stock Option portion of the Option first. Separate certificates representing each such portion shall be issued upon the exercise of the Option. (NOTE TO OPTIONEE: If the aggregate Exercise Price of the Option
(that is, the Exercise Price multiplied by the Number of Option Shares) plus the aggregate exercise price of any other Incentive Stock Options you hold (whether granted pursuant to the Plan or any other stock option plan of the Participating Company
Group) is greater than $100,000, you should contact the Chief Financial Officer of the Company to ascertain whether the entire Option qualifies as an Incentive Stock Option). 

3. EXERCISE OF THE OPTION. 

3.1 Right to Exercise. Except as otherwise provided herein, the Option shall be exercisable on and after the Initial Vesting Date and
prior to the termination of the Option (as provided in Section 5) in an amount not to exceed the number of Vested Shares less the number of shares previously acquired upon exercise of the Option, subject to the Company’s repurchase rights
set forth in Section 8 and Section 9. In no event shall the Option be exercisable for more shares than the Number of Option Shares. 

3.2 Method of Exercise. Exercise of the Option shall be by written notice to the Company which must state the election to exercise the
Option, the number of whole shares of Stock for which the Option is being exercised and such other representations and agreements as to the Optionee’s investment intent with respect to such shares as may be required pursuant to the provisions
of this Option Agreement. The written notice must be signed by the Optionee and must be delivered in person, by certified or registered mail, return receipt requested, by confirmed facsimile transmission, or by such other means as the Company may
permit, to the Chief Financial Officer of the Company, or other authorized representative of the Participating Company Group, prior to the termination of the Option as set forth in Section 5, accompanied by (i) full payment of the
aggregate Exercise Price for the number of shares of Stock being purchased and (ii) an executed copy, if required herein, of the then current form of escrow agreement referenced below. The 

  
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 Option shall be deemed to be exercised upon receipt by the Company of such written notice, the aggregate
Exercise Price, and, if required by the Company, such executed agreement. 
 3.3 Payment of Exercise Price. 

(a) Forms of Consideration Authorized. Except as otherwise provided below, payment of the aggregate Exercise Price for the number
of shares of Stock for which the Option is being exercised shall be made (i) in cash, by check, or cash equivalent, (ii) by tender to the Company, or attestation to the ownership, of whole shares of Stock owned by the Optionee having a
Fair Market Value (as determined by the Company without regard to any restrictions on transferability applicable to such stock by reason of federal or state securities laws or agreements with an underwriter for the Company) not less than the
aggregate Exercise Price, (iii) by means of a Cashless Exercise, (iv) by means of a promissory note, if permitted by the Company at the time of exercise, or (v) by any combination of the foregoing. 

(b) Limitations on Forms of Consideration. The use of the methods of consideration described in Sections 3.3(a)(ii), (iii) and
(iv) shall be subject to the terms and conditions set forth in Section 6.3(b) of the Plan. 
 3.4 Tax Withholding. At the
time the Option is exercised, in whole or in part, or at any time thereafter as requested by the Company, the Optionee hereby authorizes withholding from payroll and any other amounts payable to the Optionee, and otherwise agrees to make adequate
provisions for (including by means of a Cashless Exercise to the extent permitted by the Company), any sums required to satisfy the federal, state, local and foreign tax withholding obligations of the Participating Company Group, if any, which arise
in connection with the Option, including, without limitation, obligations arising upon (i) the exercise, in whole or in part, of the Option, (ii) the transfer, in whole or in part, of any shares acquired upon exercise of the Option,
(iii) the operation of any law or regulation providing for the imputation of interest, or (iv) the lapsing of any restriction with respect to any shares acquired upon exercise of the Option. The Company shall have no obligation to deliver
shares of Stock until the tax withholding obligations of the Participating Company Group have been satisfied by the Optionee. 
 3.5
Certificate Registration. Except in the event the Exercise Price is paid by means of a Cashless Exercise, the certificate for the shares as to which the Option is exercised shall be registered in the name of the Optionee, or, if applicable, in
the names of the heirs of the Optionee. 
 3.6 Restrictions on Grant of the Option and Issuance of Shares. The grant of the Option and
the issuance of shares of Stock upon exercises of the Option shall be subject to compliance with all applicable requirements of federal, state or foreign law with respect to such securities. The Option may not be exercised if the issuance of shares
of Stock upon exercise would constitute a violation of any applicable federal, state or foreign securities laws or other law or regulations or the requirements of any stock exchange or market system upon which the Stock may then be listed. In
addition, the Option may not be exercised unless (i) a registration statement under the Securities Act shall at the time of exercise of the Option be in effect with respect to the shares issuable upon exercise of the Option or (ii) in the
opinion of legal counsel to the Company, the shares issuable upon exercise of the Option may be issued in accordance with the terms of an applicable exemption from the registration requirements of the Securities Act. THE OPTIONEE IS CAUTIONED THAT
THE OPTION MAY NOT BE EXERCISED UNLESS THE 

  
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 FOREGOING CONDITIONS ARE SATISFIED. ACCORDINGLY, THE OPTIONEE MAY NOT BE ABLE TO EXERCISE THE OPTION WHEN
DESIRED EVEN THOUGH THE OPTION IS VESTED. The inability of the Company to obtain from any regulatory body having jurisdiction the authority, if any, deemed by the Company’s legal counsel to be necessary to the lawful issuance and sale of any
shares subject to the Option shall relieve the Company of any liability in respect of the failure to issue or sell such shares as to which such requisite authority shall not have been obtained. As a condition to the exercise of the Option, the
Company may require the Optionee to satisfy any qualifications that may be necessary or appropriate, to evidence compliance with any applicable law or regulation and to make any representation or warranty with respect thereto as may be requested by
the Company. 
 3.7 Fractional Shares. The Company shall not be required to issue fractional shares upon the exercise of the Option.

 4. NONTRANSFERABILITY OF THE OPTION. 

The Option may be exercised during the lifetime of the Optionee only by the Optionee or the Optionee’s guardian or legal representative
and may not be assigned or transferred in any manner except by will or by the laws of descent and distribution. Following the death of the Optionee, the Option, to the extent provided in the Plan, may be exercised by the Optionee’s legal
representative or by any person empowered to do so under the deceased Optionee’s will or under the then applicable laws of descent and distribution. 

5. TERMINATION OF THE OPTION. 

The Option shall terminate and may no longer be exercised on the first to occur of (a) the Option Expiration Date, (b) the last date
for exercising the Option following termination of the Optionee’s Service as described in the Plan, or (c) a Change in Control to the extent provided in the Plan. 

6. EFFECT OF TERMINATION OF SERVICE. 

6.1 Option Exercisability. 

(a) Disability. If the Optionee’s Service with the Participating Company Group is terminated because of the Disability of
the Optionee, the Option, to the extent unexercised and exercisable on the date on which the Optionee’s Service terminated, may be exercised by the Optionee (or the Optionee’s guardian or legal representative) at any time prior to the
expiration of twelve (12) months after the date on which the Optionee’s Service terminated, but in any event no later than the Option Expiration Date. 

(b) Death. If the Optionee’s Service with the Participating Company Group is terminated because of the death of the
Optionee, the Option, to the extent unexercised and exercisable on the date on which the Optionee’s Service terminated, may be exercised by the Optionee’s legal representative or other person who acquired the right to exercise the Option
by reason of the Optionee’s death at any time prior to the expiration of twelve (12) months after the date on which the Optionee’s Service terminated, but in any event no later than the Option 

  
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 Expiration Date. The Optionee’s Service shall be deemed to have terminated on account of the death if
the Optionee dies within three (3) months after the Optionee’s termination of Service. 
 (c) Other Termination of
Service. If the Optionee’s Service with the Participating Company Group terminates for any reason, except Disability or death, the Option, to the extent unexercised and exercisable by the Optionee on the date on which the
Optionee’s Service terminated, may be exercised by the Optionee any time prior to the expiration of three (3) months after the date on which the Optionee’s Service terminated, but in any event no later than the Option Expiration Date.

 6.2 Extension if Exercise Prevented by Law. Notwithstanding the foregoing, if the exercise of the Option within the applicable time
periods set forth in Section 6.1 is prevented by the provisions of Section 3.6, the Option shall remain exercisable until three (3) months after the date the Optionee is notified by the Company that the Option is exercisable, but in
any event no later than the Option Expiration Date. The Company makes no representation as to the tax consequences of any such delayed exercise. The Optionee should consult with the Optionee’s own tax advisor as to the tax consequences of any
such delayed exercise. 
 6.3 Extension if Optionee Subject to Section 16(b). Notwithstanding the foregoing, if a sale
within the applicable time periods set forth in Section 6.1 of shares acquired upon the exercise of the Option would subject the Optionee to suit under Section 16(b) of the Exchange Act, the Option shall remain exercisable until the
earliest to occur of (i) the tenth (10th) day following the date on which a sale of such shares by the Optionee would no longer be subject to such suit, (ii) the one hundred and
ninetieth (190th) day after the Optionee’s termination of Service, or (iii) the Option Expiration Date. The Company makes no representation as to the tax consequences of any such delayed
exercise. The Optionee should consult with the Optionee’s own tax advisor as the tax consequences of any such delayed exercise. 
 7.
RIGHTS AS A SHAREHOLDER, EMPLOYEE OR CONSULTANT. 

The Optionee shall have no rights as a shareholder with respect to any shares covered by the Option until the date of the issuance of a
certificate for the shares for which the Option has been exercised (as evidenced by the appropriate entry on the books of the Company or of a duly authorized transfer agent of the Company). No adjustment shall be made for dividends, distributions or
other rights for which the record date is prior to the date such certificate is issued, except as provided in Section 4.2 of the Plan. If the Optionee is an Employee, the Optionee understands and acknowledges that, except as otherwise provided
in a separate, written employment agreement between a Participating Company and the Optionee, the Optionee’s employment is “at will” and is for no specified term. Nothing in this Option Agreement shall confer upon the Optionee any
right to continue in the Service of a Participating Company or interfere in any way with any right of the Participating Company Group to terminate the Optionee’s Service as an Employee or Consultant, as the case may be, at any time. 

8. RIGHT OF FIRST REFUSAL. 

8.1 Grant of Right of First Refusal. Except as provided in Section 8.7 below, in the event the Optionee, the Optionee’s legal
representative, or other holder of shares acquired upon exercise of the Option proposes to sell, exchange, transfer, pledge, or otherwise dispose of any 

  
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 shares acquired upon exercise of the Option (the “Transfer Shares”) to any person or
entity, including, without limitation, any shareholder of a Participating Company, the Company shall have the right to repurchase the Transfer Shares under the terms and subject to the conditions set forth in this Section 8 (the
“Right of First Refusal”). 
 8.2 Notice of Proposed Transfer. Prior to any proposed transfer of the Transfer
Shares, the Optionee shall deliver written notice (the “Transfer Notice”) to the Company describing fully the proposed transfer, including the number of Transfer Shares, the name and address of the proposed transferee (the “Proposed
Transferee”) and, if the transfer is voluntary, the proposed transfer price, and containing such information necessary to show the bona fide nature of the proposed transfer. In the event of a bona fide gift or involuntary transfer, the proposed
transfer price shall be deemed to be the Fair Market Value of the Transfer Shares, as determined by the Board in good faith. If the Optionee proposes to transfer any Transfer Shares to more than one Proposed Transferee, the Optionee shall provide a
separate Transfer Notice for the proposed transfer to each Proposed Transferee. The Transfer Notice shall be signed by both the Optionee and the Proposed Transferee and must constitute a binding commitment of the Optionee and the Proposed Transferee
for the transfer of the Transfer Shares to the Proposed Transferee subject only to the Right of First Refusal. 
 8.3 Bona Fide
Transfer. If the Company determines that the information provided by the Optionee in the Transfer Notice is insufficient to establish the bona fide nature of a proposed voluntary transfer, the Company shall give the Optionee written notice of
the Optionee’s failure to comply with the procedure described in this Section 8, and the Optionee shall have no right to transfer the Transfer Shares without first complying with the procedure described in this Section 8. The Optionee
shall not be permitted to transfer the Transfer Shares if the proposed transfer is not bona fide. 
 8.4 Exercise of Right of First
Refusal. If the Company determines the proposed transfer to be bona fide, the Company shall have the right to purchase all or a portion of the Transfer Shares at the purchase price and on the terms set forth in the Transfer Notice by delivery to
the Optionee of a notice of exercise of the Right of First Refusal within thirty (30) days after the date of the Transfer Notice is delivered to the Company. The Company’s exercise or failure to exercise the Right of First Refusal with
respect to any proposed transfer described in a Transfer Notice shall not affect the Company’s right to exercise the Right of First Refusal with respect to any proposed transfer described in any other Transfer Notice, whether or not such other
Transfer Notice is issued by the Optionee or issued by a person other than the Optionee with respect to a proposed transfer to the same Proposed Transferee. If the Company exercises the Right of First Refusal, the Company and the Optionee shall
thereupon consummate the sale of the Transfer Shares to the Company on the terms set forth in the Transfer Notice within sixty (60) days after the date of the Transfer Notice is delivered to the Company (unless a longer period is offered by the
Proposed Transferee); provided, however, that in the event the Transfer Notice provides for the payment for the Transfer Shares other than in cash, the Company shall have the option of paying for the Transfer Shares by the present value cash
equivalent of the consideration described in the Transfer Notice as reasonably determined by the Company. For purposes of the foregoing, cancellation of any indebtedness of the Optionee to any Participating Company shall be treated as payment to the
Optionee in cash to the extent of the unpaid principal and any accrued interest canceled. 

  
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 8.5 Failure to Exercise Right of First Refusal. If the Company fails to exercise the
Right of First Refusal in full (or to such lesser extent as the Company and the Optionee otherwise agree) within the period specified in Section 8.4 above, the Optionee may conclude a transfer to the Proposed Transferee of the Transfer Shares
on the terms and conditions described in the Transfer Notice, provided such transfer occurs not later than ninety (90) days following delivery to the Company of the Transfer Notice. The Company shall have the right to demand further assurances
from the Optionee and the Proposed Transferee (in a form satisfactory to the Company) that the transfer of the Transfer Shares was actually carried out on the terms and conditions described in the Transfer Notice. No Transfer Shares shall be
transferred on the books of the Company until the Company has received such assurances, if so demanded, and has approved the proposed transfer as bona fide. Any proposed transfer on terms and conditions different from 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 by the Optionee with the procedure described in this Section 8. 

8.6 Transferees of Transfer Shares. All transferees of the Transfer Shares or any interest therein, other than the Company, shall be
required as a condition of such transfer to agree in writing (in a form satisfactory to the Company) that such transferee shall receive and hold such Transfer Shares or interest therein subject to all of the terms and conditions of this Option
Agreement, including this Section 8 providing for the Right of First Refusal with respect to any subsequent transfer. Any sale or transfer of any shares acquired upon exercise of the Option shall be void unless the provisions of this
Section 8 are met. 
 8.7 Transfers Not Subject to Right of First Refusal. The Right of First Refusal shall not apply to any
transfer or exchange of the shares acquired upon exercise of the Option if such transfer or exchange is in connection with an Ownership Change Event. If the consideration received pursuant to such transfer or exchange consists of stock of a
Participating Company, such consideration shall remain subject to the Right of First Refusal unless the provisions of Section 8.9 below result in a termination of the Right of First Refusal. 

8.8 Assignment of Right of First Refusal. The Company shall have the right to assign the Right of First Refusal at any time, whether or
not there has been an attempted transfer, to one or more persons as may be selected by the Company. 
 8.9 Early Termination of Right of
First Refusal. The other provisions of this Option Agreement notwithstanding, the Right of First Refusal shall terminate and be of no further force and effect upon (a) the occurrence of a Change in Control, unless the Acquiring Corporation
assumes the Company’s rights and obligations under the Option or substitutes a substantially equivalent option for the Acquiring Corporation’s stock for the Option, or (b) the existence of a public market for the class of shares
subject to the Right of First Refusal. A “public market” shall be deemed to exist if (i) such stock is listed on a national securities exchange (as that term is used in the Exchange Act) or (ii) such stock is traded on the over-the-counter market and prices therefore are published daily on business days in a recognized financial journal. 

9. VESTED SHARE REPURCHASE OPTION. 

9.1 Grant of Vested Share Repurchase Option. Except as provided in Section 9.4 below, in the event of the occurrence of any
Repurchase Event, as defined below, the Company 

  
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shall have the right to repurchase the shares acquired by the Optionee pursuant to the Option (the “Repurchase Shares”) under the terms and subject to the conditions set
forth in this Section 9 (the “Vested Share Repurchase Option”). Each of the following events shall constitute a “Repurchase Event”): 

(a) Termination of the Optionee’s Service with the Participating Company Group for any reason or no reason, with or without cause,
including death or Disability. The Repurchase Period, as defined below, shall commence on the date of termination of the Optionee’s Service. 

(b) The Optionee, the Optionee’s legal representative, or other holder of shares acquired upon exercise of the Option attempts to sell,
exchange, transfer, pledge, or otherwise dispose of any Repurchase Shares without complying with the provisions of Section 8. The Repurchase Period, as defined below, shall commence on the date the Company receives actual notice of such
attempted sale, exchange, transfer, pledge or other disposition. 
 (c) The receivership, bankruptcy or other creditor’s proceeding
regarding the Optionee or the taking of any of the Optionee’s shares of Stock by legal process, such as a levy of execution. The Repurchase Period, as defined below, shall commence on the date the Company receives actual notice of the
commencement of pendency of the receivership, bankruptcy or other creditor’s proceeding or the date of such taking, as the case may be. The Fair Market Value of the Repurchase Shares shall be determined as of the last day of the month preceding
the month in which the proceeding involved commenced or the taking occurred. 
 9.2 Exercise of Vested Share Repurchase Option. The
Company may exercise the Vested Share Repurchase Option by written notice to the Optionee, the Optionee’s legal representative, or other holder of the Repurchase Shares, as the case may be, during the Repurchase Period. The
“Repurchase Period” shall be the period commencing at the time set forth in Section 9.1 above and ending on the later of (a) the date ninety (90) days after the commencement of the Repurchase Period or
(b) the date ninety (90) days after the Option is last exercised. If the Company fails to give notice during the Repurchase Period, the Vested Share Repurchase Option shall terminate (unless the Company and the Optionee have extended the
time for the exercise of the Vested Share Repurchase Option) unless and until there is a subsequent Repurchase Event. Notwithstanding a termination of the Vested Share Repurchase Option, the remaining provisions of this Option Agreement shall remain
in full force and effect, including, without limitation, the Right of First Refusal set forth in Section 8. If there is a subsequent Repurchase Event, the Vested Share Repurchase Option shall again become exercisable as provided in this
Section 9. The Vested Share Repurchase Option must be exercised, if at all, for all of the Repurchase Shares, except as the Company and the Optionee otherwise agree. 

9.3 Payment for Repurchase Shares. The repurchase price per share being repurchased by the Company pursuant to the Vested Share
Repurchase Option shall be an amount equal to the Fair Market Value of the shares determined as of the date of the Repurchase Event (except as otherwise provided in Section 9.1(c) above) by the Board in good faith. Payment by the Company to the
Optionee shall be made in cash on or before the last day of the Repurchase Period. For purposes of the foregoing, cancellation of any indebtedness of the Optionee to the Company shall be treated as payment to the Optionee in cash to the extent of
the unpaid principal and any accrued interest cancelled. 

  
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 9.4 Transfers Not Subject to Vested Share Repurchase Option. The Vested Share
Repurchase Option shall not apply to any transfer or exchange of shares acquired upon exercise of the Option if such transfer or exchange is in connection with an Ownership Change Event. If the consideration received pursuant to such transfer or
exchange consists of stock of a Participating Company, such consideration will remain subject to the Vested Share Repurchase Option unless the provisions of Section 9.6 below result in a termination of the Vested Share Repurchase Option. 

9.5 Assignment of Vested Share Repurchase Option. The Company shall have the right to assign the Vested Share Repurchase Option at any
time, whether or not such option is then exercisable, to one or more persons as may be selected by the Company. 
 9.6 Early Termination
of Vested Share Repurchase Option. The other provisions of this Option Agreement notwithstanding, the Vested Share Repurchase Option shall terminate and be of no further force and effect upon (a) the occurrence of a Change in Control,
unless the Acquiring Corporation assumes the Company’s rights and obligations under the Option or substitutes a substantially equivalent option for the Acquiring Corporation’s stock for the Option, or (b) the existence of a public market,
as defined in Section 8.9, for the class of shares subject to the Vested Share Repurchase Option. 
 10.
ESCROW. 
 10.1 Establishment of Escrow. To ensure that shares subject to the Right of First
Refusal, the Vested Repurchase Option or securing any promissory note will be available for repurchase, the Company may require the Optionee to deposit the certificate evidencing the shares which the Optionee purchases upon exercise of the Option
with an agent designated by the Company under the terms and conditions of an escrow agreement approved by the Company. If the Company does not require such deposit as a condition of exercise of the Option, the Company reserves the right at any time
to require the Optionee to so deposit the certificate in escrow. Upon the occurrence of an Ownership Change Event or a change, as described in Section 4.2 of the Plan, in the character or amount of any of the outstanding stock of the
corporation the stock of which is subject to the provisions of this Option Agreement, any and all new, substituted or additional securities or other property to which the Optionee is entitled by reason of the Optionee’s ownership of shares of
Stock acquired upon exercise of the Option that remain, following such Ownership Change Event or change described in Section 4.2 of the Plan, subject to any security interest held by the Company shall be immediately subject to the escrow to the
same extend as such shares of Stock immediately before such event. The Company shall bear the expenses of the escrow. 
 10.2 Delivery of
Shares to Optionee. As soon as practicable after the expiration of the Right of First Refusal, the Vested Share Repurchase and after full repayment of any promissory note secured by the shares or other property held in escrow, the escrow agent
shall deliver to the Optionee the shares and any other property no longer subject to such restrictions and no longer securing any promissory note. 

10.3 Notices and Payments. In the event the shares and any other property held in escrow are subject to the Company’s exercise of
the Vested Share Repurchase Option or the Right of First Refusal, the notices required to be given to the Optionee shall be given to the escrow agent, and any payment required to be given to the Optionee shall be given to the escrow agent. Within

  
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 thirty (30) days after payment by the Company, the escrow agent shall deliver the shares and any other
property which the Company has purchased to the Company and shall deliver the payment received from the Company to the Optionee. 
 11.
STOCK DISTRIBUTIONS SUBJECT TO OPTION AGREEMENT. 

If, from time to time, there is any stock dividend, stock split or other change, as described in Section 4.2 of the Plan, in the character
or amount of any of the outstanding stock of the corporation the stock of which is subject to the provisions of this Option Agreement, then in such event any and all new, substituted or additional securities to which the Optionee is entitled by
reason of the Optionee’s ownership of the shares acquired upon exercise of the Option shall be immediately subject to the Right of First Refusal, the Vested Share Repurchase Option and any security interest held by the Company with the same
force and effect as the shares subject to the restrictions immediately before such event. 
 12. NOTICE OF
SALES UPON DISQUALIFYING DISPOSITION. 
 The Optionee
shall dispose of the shares acquired pursuant to the Option only in accordance with the provisions of this Option Agreement. In addition, if the Notice designates this Option as an Incentive Stock Option, the Optionee shall (a) promptly notify
the Chief Financial Officer of the Company if the Optionee disposes of any of the shares acquired pursuant to the Option within one (1) year after the date the Optionee exercises all or part of the Option or within two (2) years after the
Date of Option Grant and (b) provide the Company with a description of the circumstances of such disposition. Until such time as the Optionee disposes of such shares in a manner consistent with the provisions of this Option Agreement, unless
otherwise expressly authorized by the Company, the Optionee shall hold all shares acquired pursuant to the Option in the Optionee’s name (and not in the name of any nominee) for the one-year period
immediately after the exercise of the Option and the two-year period immediately after Date of Option Grant. At any time during the one-year or two-year periods set forth above, the Company may place a legend on any certificate representing shares acquired pursuant to the Option requesting the transfer agent for the Company’s stock to notify the
Company of any such transfers. The obligation of the Optionee to notify the Company of any such transfer shall continue notwithstanding that a legend has been placed on the certificate pursuant to the preceding sentence. 

13. REPRESENTATIONS AND WARRANTIES. 

In connection with the receipt of the Option and any acquisition of shares upon the exercise thereof, the Optionee hereby agrees, represents
and warrants as follows: 
 13.1 The Optionee is acquiring the Option and will acquire any shares of Stock upon exercise of the Option
for the Optionee’s own account, and not on behalf of any other person or as a nominee, for investment and not with a view to, or sale in connection with, any distribution of the Option or such shares. 

13.2 The Optionee was not presented with or solicited by any form of general solicitation or general advertising, including, but not
limited to, any advertisement, article, notice, or other communication published in any newspaper, magazine, or similar media, or broadcast over 

  
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 television, radio or similar communications media, or presented at any seminar or meeting whose attendees
have been invited by any general solicitation or general advertising. 
 13.3 The Optionee has either (a) a preexisting personal
or business relationship with the Company or any of its officers, directors, or controlling persons, consisting of personal or business contacts of a nature and duration to enable the Optionee to be aware of the character, business acumen and
general business and financial circumstances of the person with whom such relationship exists, or (b) such knowledge and experience in financial and business matters (or has relied on the financial and business knowledge and experience of the
Optionee’s professional advisor who is unaffiliated with and who is not, directly or indirectly, compensated by the Company or any affiliate or selling agent of the Company) as to make the Optionee capable of evaluating the merits and risks of
the Option and any investment in shares acquired pursuant to the Option and to protect the Optionee’s own interests in the transaction, or (c) both such relationship and such knowledge and experience. 

13.4 The Optionee understands that the Option and any shares acquired upon exercise of the Option have not been qualified under the
Corporate Securities Law of 1968, as amended, of the State of California by reason of a specific exemption therefrom, which exemption depends upon, among other things, the bona fide nature of the Optionee’s representations as expressed herein.
The Optionee understands that the Company is relying on the Optionee’s representations and warrants that the Company is entitled to rely on such representations and that such reliance is reasonable. 

14. LEGENDS. 

The Company may at any time place legends referencing the Right of First Refusal, the Vested Share Repurchase Option and any applicable
federal, state or foreign securities law restrictions on all certificates representing shares of stock subject to the provisions of this Option Agreement. The Optionee shall, at the request of the Company, promptly present to the Company any and all
certificates representing shares acquired pursuant to the Option in the possession of the Optionee in order to carry out the provisions of this Section. Unless otherwise specified by the Company, legends placed on such certificates may include, but
shall not be limited to, the following: 
 14.1 “THE SECURITIES EVIDENCED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE
SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE SOLD, TRANSFERRED, ASSIGNED OR HYPOTHECATED UNLESS THERE IS AN EFFECTIVE REGISTRATION STATEMENT UNDER SUCH ACT COVERING SUCH SECURITIES, THE SALE IS MADE IN ACCORDANCE WITH RULE 144 OR RULE 701
UNDER THE ACT, OR THE COMPANY RECEIVES AN OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE COMPANY, STATING THAT SUCH SALE, TRANSFER, ASSIGNMENT OR HYPOTHECATION IS EXEMPT FROM THE REGISTRATION AND PROSPECTUS DELIVERY REQUIREMENTS OF SUCH
ACT.” 
 14.2 “THE SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO A VESTED SHARE REPURCHASE OPTION AND A RIGHT OF
FIRST REFUSAL OPTION IN FAVOR OF THE CORPORATION OR ITS ASSIGNEE SET FORTH IN AN AGREEMENT BETWEEN THE CORPORATION AND THE REGISTERED HOLDER, OR SUCH HOLDER’S PREDECESSOR IN INTEREST, A COPY OF WHICH IS ON FILE AT THE PRINCIPAL OFFICE OF THIS
CORPORATION.” 

  
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 14.3 If the Notice designates this Option as an Incentive Stock Option:
“THE SHARES EVIDENCED BY THIS CERTIFICATE WERE ISSUED BY THE CORPORATION TO THE REGISTERED HOLDER UPON EXERCISE OF AN INCENTIVE STOCK OPTION AS DEFINED IN SECTION 422 OF THE INTERNAL REVENUE CODE OF 1986, AS AMENDED (“ISO”). IN
ORDER TO OBTAIN THE PREFERENTIAL TAX TREATMENT AFFORDED TO ISOS, THE SHARES SHOULD NOT BE TRANSFERRED PRIOR TO [INSERT LATER OF TWO YEARS AFTER THE DATE OF OPTION GRANT OR ONE YEAR AFTER THE DATE OF EXERCISE HERE]. SHOULD THE
REGISTERED HOLDER ELECT TO TRANSFER ANY OF THE SHARES PRIOR TO THIS DATE AND FOREGO ISO TAX TREATMENT, THE TRANSFER AGENT FOR THE SHARES SHALL NOTIFY THE CORPORATION IMMEDIATELY. THE REGISTERED HOLDER SHALL HOLD ALL SHARES PURCHASED UNDER THE
INCENTIVE STOCK OPTION IN THE REGISTERED HOLDER’S NAME (AND NOT IN THE NAME OF ANY NOMINEE) PRIOR TO THIS DATE OR UNTIL TRANSFERRED AS DESCRIBED ABOVE.” 

15. LOCK-UP AGREEMENT. 

The Optionee hereby agrees that in the event of any underwritten public offering of stock, including an initial public offering of stock, made
by the Company pursuant to an effective registration statement filed under the Securities Act, the Optionee shall not offer, sell, contract to sell, pledge, hypothecate, grant any option to purchase or make any short sale of , or otherwise dispose
of any shares of stock of the Company or any rights to acquire stock of the Company for such period of time from and after the effective date of such registration statement as may be established by the underwriter for such public offering; provided,
however, that such period of time shall not exceed one hundred eighty (180) days from the effective date of the registration statement to be filed in connection with such public offering. The foregoing limitation shall not apply to shares
registered in the public offering under the Securities Act. 
 16. RESTRICTIONS ON TRANSFER
OF SHARES. 
 No shares acquired upon exercise of the Option may be sold, exchanged,
transferred (including, without limitation, any transfer to a nominee or agent of the Optionee), assigned, pledged, hypothecated or otherwise disposed of, including by operation of law, in any manner which violates any of the provisions of this
Option Agreement and any such attempted disposition shall be void. The Company shall not be required (a) to transfer on its books any shares which will have been transferred in violation of any of the provisions set forth in this Option
Agreement or (b) to treat as owner of such shares or to accord the right to vote as such owner or to pay dividends to any transferee to whom such shares will have been so transferred. 

17. MISCELLANEOUS PROVISIONS. 

17.1 Binding Effect. Subject to the restrictions on transfer set forth herein, this Option Agreement shall inure to the benefit of and
be binding upon the parties hereto and their respective heirs, executors, administrators, successors and assigns. 
 17.2 Termination or
Amendment. The Board may terminate or amend the Plan or Option at any time; provided, however, that except as provided in the Plan in connection with a 

  
 12 

 ONE STOP SYSTEMS, INC. –
STOCK OPTION AGREEMENT 
  

 

 Change in Control, no such termination or amendment may adversely affect the Option or any unexercised
portion hereof without the consent of the Optionee unless such termination or amendment is necessary to comply with any applicable law or government regulation or is required to enable the Option, if designated an Incentive Stock Option in the
Notice, to qualify as an Incentive Stock Option. No amendment or addition to this Option Agreement shall be effective unless in writing. 

17.3 Notices. Any notice required or permitted hereunder shall be given in writing and shall be deemed effectively given (except to the
extent that this Option Agreement provides for effectiveness only upon actual receipt of such notice) upon personal delivery or upon deposit in the United States Post Office, by registered or certified mail, with postage and fees prepaid, addressed
to the other party at the address shown below that party’s signature or at such other address as such party may designate in writing from time to time to the other party. 

17.4 Integrated Agreement. The Notice, this Option Agreement and the Plan constitute the entire understanding and agreement of the
Optionee and the Participating Company Group with respect to the subject matter contained herein or therein and supersedes any prior agreements, understandings, restrictions, representations, or warranties among the Optionee and the Participating
Company Group with respect to such subject matter other than those as set forth or provided for herein or therein. To the extent contemplated herein or therein, the provisions of the Notice and the Option Agreement shall survive any exercise of the
Option and shall remain in full force and effect. 
 17.5 Applicable Law. This Option Agreement shall be governed by the laws of the
State of California as such laws are applied to agreements between California residents entered into and to be performed entirely within the State of California. 

17.6 Counterparts. The Notice may be executed in counterparts, each of which shall be deemed an original, but all of which together
shall constitute one and the same instrument. 

  
 13 

 
			
	€ Incentive Stock Option	  	Optionee:_____________________
	€ Nonstatutory Stock Option	  	Date: ___________________________

 STOCK OPTION EXERCISE NOTICE 

One Stop Systems, Inc. 
 Attention: Chief Financial Officer 

2235 Enterprise Street, Suite 110 
 Escondido, California 92029

 Ladies and Gentlemen: 
 1.
Option. I was granted an option (the “Option”) to purchase shares of the common stock (the “Shares”) of One Stop Systems, Inc. (the “Company”) pursuant
to the Company’s 2011 Stock Option Plan (the “Plan”), my Notice of Grant of Stock Option (the “Notice”) and my Stock Option Agreement (the “Option Agreement”) as follows: 

 

			
	Grant Number:	  	                                      

		
	Date of Option Grant:	  	                                      

		
	Number of Option Shares:	  	                                      

		
	Exercise Price per Share:	  	$                                    

 2. Exercise of Option. I hereby elect to exercise the Option to purchase the following
number of Shares, all of which are Vested Shares in accordance with the Notice and the Option Agreement: 
  

			
		
	Total Shares Purchased:	  	                                      

		
	Total Exercise Price (Total Shares X Price Per Share)	  	$                                    

 3. Payments. I enclose payment in full of the total exercise price for the Shares in the
following form(s), as authorized by my Option Agreement: 
  

			
		
	€ Cash:	  	$                                    

		
	€ Check:	  	$                                    

		
	€ Tender of Company Stock:	  	Contact Plan Administrator
		
	€ Promissory Note:	  	Contact Plan Administrator

 4. Tax Withholding. I authorize payroll withholding and otherwise will make adequate
provision for the federal, state, local and foreign tax withholding obligations of the Company, if any, in connection with the Option. 

 5. Optionee Information. 

My address is:______________________________________________________________________________ 

______________________________________________________________________________________________ 

My Social Security Number is: _________________________________________________________________ 

6. Notice of Disqualifying Disposition. If the Option is an Incentive Stock Option, I agree that I will promptly notify the Chief
Financial Officer of the Company if I transfer any of the Shares within one (1) year from the date I exercise all or part of the Option or within two (2) years of the Date of Option Grant. 

7. Binding Effect. I agree that the Shares are being acquired in accordance with and subject to the terms, provisions and
conditions of the Option Agreement, including the Right of First Refusal and the Vested Share Repurchase Option set forth therein, to all of which I hereby expressly assent. This Agreement shall inure to the benefit of and be binding upon my heirs,
executors, administrators, successors and assigns. 
 8. Transfer. I understand and acknowledge that the Shares have not been
registered under the Securities Act of 1933, as amended (the “Securities Act”), and that consequently the Shares must be held indefinitely unless they are subsequently registered under the Securities Act, an exemption from
such registration is available, or they are sold in accordance with Rule 144 or Rule 701 under the Securities Act. I further understand and acknowledge that the Company is under no obligation to register the Shares. I understand that the certificate
or the certificates evidencing the Shares will be imprinted with legends which prohibit the transfer of the Shares unless they are registered or such registration is not required in the opinion of legal counsel satisfactory to the Company. I am
aware that Rule 144 under the Securities Act, which permits limited public resale of securities acquired in a nonpublic offering, is not currently available with respect to the Shares and, in any event, is available only if certain conditions are
satisfied. I understand that any sale of the Shares that might be made in reliance upon Rule 144 may only be made in limited amounts in accordance with the terms and conditions of such rule and that a copy of Rule 144 will be delivered to me upon
request. 
 I understand that I am purchasing the Shares pursuant to the terms of the Plan, the Notice and my Option Agreement, copies of
which I have received and carefully read and understand. 
  

	
	Very Truly Yours,
	
	   

	(Signature)

  

			
	 Receipt of the above is hereby acknowledged.
  

ONE STOP SYSTEMS, INC.

		
	By:	 	 
		
	Title:	 	 
		
	Dated:	 	 

  
 15

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