EX-10.8





 Exhibit 10.8 

TALKSPACE, INC. 
 2021
EMPLOYEE STOCK PURCHASE PLAN 
 ARTICLE I. 

PURPOSE 
 The purposes of
this Talkspace, Inc. 2021 Employee Stock Purchase Plan (as it may be amended or restated from time to time, the “Plan”) are to assist Eligible Employees of Talkspace, Inc., a Delaware
corporation (the “Company”), and its Designated Subsidiaries in acquiring a stock ownership interest in the Company pursuant to a plan which is intended to qualify as an “employee stock purchase plan”
within the meaning of Section 423(b) of the Code, and to help Eligible Employees provide for their future security and to encourage them to remain in the employment of the Company and its Designated Subsidiaries. 

ARTICLE II. 
 DEFINITIONS
AND CONSTRUCTION 
 Wherever the following terms are used in the Plan they shall have the meanings specified below, unless the context
clearly indicates otherwise. The singular pronoun shall include the plural where the context so indicates. Masculine, feminine and neuter pronouns are used interchangeably and each comprehends the others. 

2.1    “Administrator” shall mean the entity that conducts the general administration of the Plan
as provided in Article XI. The term “Administrator” shall refer to the Committee unless the Board has assumed the authority for administration of the Plan as provided in Article XI. 

2.2    “Applicable Law” shall mean the requirements relating to the administration of equity
incentive plans under U.S. federal and state securities, tax and other applicable laws, rules and regulations, the applicable rules of any stock exchange or quotation system on which the Common Stock is listed or quoted and the applicable laws and
rules of any foreign country or other jurisdiction where rights under this Plan are granted. 

2.3    “Board” shall mean the Board of Directors of the Company. 

2.4    “Change in Control” shall mean and include each of the following: 

(a)    A transaction or series of transactions (other than an offering of Common Stock to the general public through a
registration statement filed with the Securities and Exchange Commission or a transaction or series of transactions that meets the requirements of clauses (i) and (ii) of subsection (c) below) whereby any “person” or related
“group” of “persons” (as such terms are used in Sections 13(d) and 14(d)(2) of the Exchange Act) (other than the Company, any of its Subsidiaries, an employee benefit plan maintained by the Company or any of its Subsidiaries or a
“person” that, prior to such transaction, directly or indirectly controls, is controlled by, or is under common control with, the Company) directly or indirectly acquires beneficial ownership (within the meaning of Rule 13d-3 under the Exchange Act) of securities of the Company possessing more than 50% of the total combined voting power of the Company’s securities outstanding immediately after such acquisition; or 

(b)    During any period of two consecutive years, individuals who, at the beginning of such period, constitute the Board
together with any new director(s) (other than a director designated by a person who shall have entered into an agreement with the Company to effect a transaction described in subsections (a) or (c)) whose election by the Board or nomination for
election by the Company’s stockholders was approved by a vote of at least two-thirds of the directors then still in office who either were directors at the beginning of the
two-year period or whose election or nomination for election was previously so approved, cease for any reason to constitute a majority thereof; or 












 (c)    The consummation by the Company (whether directly involving the
Company or indirectly involving the Company through one or more intermediaries) of (x) a merger, consolidation, reorganization, or business combination or (y) a sale or other disposition of all or substantially all of the Company’s
assets in any single transaction or series of related transactions or (z) the acquisition of assets or stock of another entity, in each case other than a transaction: 

(i)    which results in the Company’s voting securities outstanding immediately before the transaction
continuing to represent (either by remaining outstanding or by being converted into voting securities of the Company or the person that, as a result of the transaction, controls, directly or indirectly, the Company or owns, directly or indirectly,
all or substantially all of the Company’s assets or otherwise succeeds to the business of the Company (the Company or such person, the “Successor Entity”)) directly or indirectly, at least a majority of the combined
voting power of the Successor Entity’s outstanding voting securities immediately after the transaction, and 

(ii)    after which no person or group beneficially owns voting securities representing 50% or more of the
combined voting power of the Successor Entity; provided, however, that no person or group shall be treated for purposes of this clause (ii) as beneficially owning 50% or more of the combined voting power of the Successor Entity
solely as a result of the voting power held in the Company prior to the consummation of the transaction. 
 Notwithstanding the foregoing,
if a Change in Control constitutes a payment event with respect to any portion of any right that provides for the deferral of compensation that is subject to Section 409A of the Code, to the extent required to avoid the imposition of additional
taxes under Section 409A of the Code, the transaction or event described in subsection (a), (b) or (c) with respect to such right (or portion thereof) shall only constitute a Change in Control for purposes of the payment timing of such
right (or portion thereof) if such transaction also constitutes a “change in control event,” as defined in Treasury Regulation Section 1.409A-3(i)(5). 

2.5    “Code” shall mean the Internal Revenue Code of 1986, as amended and the regulations issued
thereunder. 
 2.6    “Common Stock” shall mean the common stock of the Company, par value of
$0.0001 per share, and such other securities of the Company that may be substituted therefor pursuant to Article VIII. 

2.7    “Company” shall mean Talkspace, Inc., a Delaware corporation, or any successor. 

2.8    “Compensation” of an Eligible Employee shall mean the gross cash compensation received by
such Eligible Employee as compensation for services to the Company or any Designated Subsidiary, including prior week adjustment, overtime payments, commissions, periodic bonuses, vacation pay and holiday pay, but excluding jury duty pay, funeral
leave pay, military leave pay, one-time bonuses (e.g., retention or sign on bonuses), education or tuition reimbursements, travel expenses, business and moving reimbursements, income received in connection
with any stock options, stock appreciation rights, restricted stock, restricted stock units or other compensatory equity awards, fringe benefits, other special payments and all contributions made by the Company or any Designated Subsidiary for the
Employee’s benefit under any employee benefit plan now or hereafter established. 

  
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 2.9    “Designated Subsidiary” shall mean any
Subsidiary designated by the Administrator in accordance with Section 11.3(b). 

2.10    “Effective Date” shall mean the date the Plan is approved by the
Company’s stockholders. 
 2.11    “Eligible Employee” shall mean an Employee who does not,
immediately after any rights under this Plan are granted, own (directly or through attribution) stock possessing 5% or more of the total combined voting power or value of all classes of Common Stock and other stock of the Company, a Parent or a
Subsidiary (as determined under Section 423(b)(3) of the Code). For purposes of the foregoing sentence, the rules of Section 424(d) of the Code with regard to the attribution of stock ownership shall apply in determining the stock
ownership of an individual, and stock that an Employee may purchase under outstanding options shall be treated as stock owned by the Employee; provided, however, that the Administrator may provide in an Offering Document that an
Employee shall not be eligible to participate in an Offering Period if: (a) such Employee is a highly compensated employee within the meaning of Section 423(b)(4)(D) of the Code, (b) such Employee has not met a service requirement
designated by the Administrator pursuant to Section 423(b)(4)(A) of the Code (which service requirement may not exceed two years), (c) such Employee’s customary employment is for 20 hours or less per week, (d) such Employee’s
customary employment is for less than five months in any calendar year and/or (e) such Employee is a citizen or resident of a foreign jurisdiction and the grant of a right to purchase Common Stock under the Plan to such Employee would be
prohibited under the laws of such foreign jurisdiction or the grant of a right to purchase Common Stock under the Plan to such Employee in compliance with the laws of such foreign jurisdiction would cause the Plan to violate the requirements of
Section 423 of the Code, as determined by the Administrator in its sole discretion; provided, further, that any exclusion in clauses (a), (b), (c), (d) or (e) shall be applied in an identical manner under each Offering Period
to all Employees, in accordance with Treasury Regulation Section 1.423-2(e). 

2.12    “Employee” shall mean any officer or other employee (as defined in accordance with
Section 3401(c) of the Code) of the Company or any Designated Subsidiary. “Employee” shall not include any director of the Company or a Designated Subsidiary who does not render services to the Company or a Designated Subsidiary as an
employee within the meaning of Section 3401(c) of the Code. For purposes of the Plan, the employment relationship shall be treated as continuing intact while the individual is on sick leave or other leave of absence approved by the Company or
Designated Subsidiary and meeting the requirements of Treasury Regulation Section 1.421-1(h)(2). Where the period of leave exceeds three months and the individual’s right to reemployment is not
guaranteed either by statute or by contract, the employment relationship shall be deemed to have terminated on the first day immediately following such three-month period. 

2.13    “Enrollment Date” shall mean the first Trading Day of each Offering Period, unless
otherwise specified in the Offering Document. 
 2.14    “Exchange Act” shall mean the
Securities Exchange Act of 1934, as amended from time to time. 
 2.15    “Fair Market Value”
shall mean, as of any date, the value of a Share determined as follows: (a) if the Common Stock is listed on any established stock exchange, its Fair Market Value will be the closing sales price for such Common Stock as quoted on such exchange
for such date, or if no sale occurred on such date, the last day preceding such date during which a sale occurred, as reported in The Wall Street Journal or another source the Administrator deems reliable; (b) if the Common Stock is not
traded on a stock exchange but is quoted on a national market or other quotation system, the closing sales price on such date, or if no sales occurred on such date, then on the last date preceding such date during which a sale occurred, as reported
in The Wall Street Journal or another source the Administrator deems reliable; or (c) without an established market for the Common Stock, the Administrator will determine the Fair Market Value in its discretion. 

  
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 2.16    “Offering Document” shall have the
meaning given to such term in Section 4.1. 
 2.17    “Offering Period” shall have the
meaning given to such term in Section 4.1. 
 2.18    “Parent” shall mean any corporation,
other than the Company, in an unbroken chain of corporations ending with the Company if, at the time of the determination, each of the corporations other than the Company owns stock possessing 50% or more of the total combined voting power of all
classes of stock in one of the other corporations in such chain. 
 2.19    “Participant” shall
mean any Eligible Employee who has executed a subscription agreement and been granted rights to purchase Common Stock pursuant to the Plan. 

2.20    “Plan” shall mean this Talkspace, Inc. 2021 Employee Stock Purchase Plan, as it may be
amended from time to time. 
 2.21     “Purchase Date” shall mean the last Trading Day of each
Purchase Period. 
 2.22    “Purchase Period” shall refer to one or more periods within an
Offering Period, as designated in the applicable Offering Document; provided, however, that, in the event no Purchase Period is designated by the Administrator in the applicable Offering Document, the Purchase Period for each Offering
Period covered by such Offering Document shall be the same as the applicable Offering Period. 

2.23    “Purchase Price” shall mean the purchase price designated by the Administrator in the
applicable Offering Document (which purchase price shall not be less than 85% of the Fair Market Value of a Share on the Enrollment Date or on the Purchase Date, whichever is lower); provided, however, that, in the event no purchase
price is designated by the Administrator in the applicable Offering Document, the purchase price for the Offering Periods covered by such Offering Document shall be 85% of the Fair Market Value of a Share on the Enrollment Date or on the Purchase
Date, whichever is lower; provided, further, that the Purchase Price may be adjusted by the Administrator pursuant to Article VIII and shall not be less than the par value of a Share. 

2.24    “Securities Act” shall mean the Securities Act of 1933, as amended. 

2.25    “Share” shall mean a share of Common Stock. 

2.26    “Subsidiary” shall mean any corporation, other than the Company, in an unbroken chain of
corporations beginning with the Company if, at the time of the determination, each of the corporations other than the last corporation in an unbroken chain owns stock possessing 50% or more of the total combined voting power of all classes of stock
in one of the other corporations in such chain; provided, however, that a limited liability company or partnership may be treated as a Subsidiary to the extent either (a) such entity is treated as a disregarded entity under Treasury
Regulation Section 301.7701-3(a) by reason of the Company or any other Subsidiary that is a corporation being the sole owner of such entity, or (b) such entity elects to be classified as a
corporation under Treasury Regulation Section 301.7701-3(a) and such entity would otherwise qualify as a Subsidiary. 

2.27     “Trading Day” shall mean a day on which national stock exchanges in the
United States are open for trading. 

  
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 ARTICLE III. 

SHARES SUBJECT TO THE PLAN 

3.1    Number of Shares. Subject to Article VIII, the aggregate number of Shares that may be issued pursuant
to rights granted under the Plan shall be 2,983,015 Shares. In addition to the foregoing, subject to Article VIII, on the first day of each calendar year beginning on and including January 1, 2022 and ending on and including
January 1, 2031, the number of Shares available for issuance under the Plan shall be increased by that number of Shares equal to the lesser of (a) one percent (1%) of the aggregate number of Shares outstanding on the final day of the
immediately preceding calendar year and (b) such smaller number of Shares as determined by the Board. If any right granted under the Plan shall for any reason terminate without having been exercised, the Shares not purchased under such right
shall again become available for issuance under the Plan. Notwithstanding anything in this Section 3.1 to the contrary, the number of Shares that may be issued or transferred pursuant to the rights granted under the Plan shall not exceed an
aggregate of 50,000,000 Shares, subject to Article VIII. 
 3.2    Stock Distributed. Any Common Stock
distributed pursuant to the Plan may consist, in whole or in part, of authorized and unissued Common Stock, treasury stock or Common Stock purchased on the open market. 

ARTICLE IV. 
 OFFERING
PERIODS; OFFERING DOCUMENTS; PURCHASE DATES 
 4.1    Offering Periods. The Administrator may from time to
time grant or provide for the grant of rights to purchase Shares under the Plan to Eligible Employees during one or more periods (each, an “Offering Period”) selected by the Administrator. The terms and conditions applicable
to each Offering Period shall be set forth in an “Offering Document” adopted by the Administrator, which Offering Document shall be in such form and shall contain such terms and conditions as the Administrator shall deem
appropriate. The Administrator shall establish in each Offering Document one or more Purchase Periods during such Offering Period during which rights granted under the Plan shall be exercised and purchases of Shares carried out during such Offering
Period in accordance with such Offering Document and the Plan. The provisions of separate Offering Periods under the Plan need not be identical. 

4.2    Offering Documents. Each Offering Document with respect to an Offering Period shall specify (through
incorporation of the provisions of this Plan by reference or otherwise): 
 (a)    the length of the Offering Period,
which period shall not exceed 27 months; 
 (b)    the length of the Purchase Period(s) within the Offering Period; 

(c)    in connection with each Offering Period that contains only one Purchase Period the maximum number of Shares that
may be purchased by any Eligible Employee during such Offering Period, which, in the absence of a contrary designation by the Administrator, shall be 5,000 Shares; 

(d)    in connection with each Offering Period that contains more than one Purchase Period, the maximum aggregate number
of Shares which may be purchased by any Eligible Employee during each Purchase Period, which, in the absence of a contrary designation by the Administrator, shall be 5,000 Shares; and 

(e)    such other provisions as the Administrator determines are appropriate, subject to the Plan. 

  
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 ARTICLE V. 

ELIGIBILITY AND PARTICIPATION 

5.1    Eligibility. Any Eligible Employee who shall be employed by the Company or a Designated Subsidiary on a
given Enrollment Date for an Offering Period shall be eligible to participate in the Plan during such Offering Period, subject to the requirements of this Article V and the limitations imposed by Section 423(b) of the Code. 

5.2    Enrollment in Plan. 

(a)    Except as otherwise set forth herein or in an Offering Document or determined by the Administrator, an Eligible
Employee may become a Participant in the Plan for an Offering Period by delivering a subscription agreement to the Company by such time prior to the Enrollment Date for such Offering Period (or such other date specified in the Offering Document)
designated by the Administrator and in such form as the Company provides. 
 (b)    Each subscription agreement shall
designate a whole percentage of such Eligible Employee’s Compensation to be withheld by the Company or the Designated Subsidiary employing such Eligible Employee on each payday during the Offering Period as payroll deductions under the Plan.
The designated percentage may not be less than 1% and may not be more than the maximum percentage specified by the Administrator in the applicable Offering Document (which percentage shall be 15% in the absence of any such designation). The payroll
deductions made for each Participant shall be credited to an account for such Participant under the Plan and shall be deposited with the general funds of the Company. 

(c)    A Participant may decrease the percentage of Compensation designated in his or her subscription agreement, subject
to the limits of this Section 5.2, or may suspend his or her payroll deductions, at any time during an Offering Period; provided, however, that the Administrator may limit the number of changes a Participant may make to his or her
payroll deduction elections during each Offering Period in the applicable Offering Document (and in the absence of any specific designation by the Administrator, a Participant shall be allowed two decreases and one suspension (but no increases) to
his or her payroll deduction elections during each Offering Period with respect to such Offering Period). Any such change or suspension of payroll deductions shall be effective with the first full payroll period following ten business days after the
Company’s receipt of the new subscription agreement (or such shorter or longer period as may be specified by the Administrator in the applicable Offering Document). In the event a Participant suspends his or her payroll deductions, such
Participant’s cumulative payroll deductions prior to the suspension shall remain in his or her account and shall be applied to the purchase of Shares on the next occurring Purchase Date and shall not be paid to such Participant unless he or she
withdraws from participation in the Plan pursuant to Article VII. 
 (d)    Except as otherwise set forth in
Section 5.8 or in an Offering Document or determined by the Administrator, a Participant may participate in the Plan only by means of payroll deduction and may not make contributions by lump sum payment for any Offering Period. 

5.3    Payroll Deductions. Except as otherwise provided in the applicable Offering Document or Section 5.8,
payroll deductions for a Participant shall commence on the first payroll following the Enrollment Date and shall end on the last payroll in the Offering Period to which the Participant’s authorization is applicable, unless sooner terminated by
the Participant as provided in Article VII or suspended by the Participant or the Administrator as provided in Section 5.2 and Section 5.6, respectively. 

5.4    Effect of Enrollment. A Participant’s completion of a subscription agreement will enroll such
Participant in the Plan for each subsequent Offering Period on the terms contained therein until the Participant either submits a new subscription agreement, withdraws from participation under the Plan as provided in Article VII or otherwise
becomes ineligible to participate in the Plan. 

  
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 5.5    Limitation on Purchase of Common Stock. An Eligible
Employee may be granted rights under the Plan only if such rights, together with any other rights granted to such Eligible Employee under “employee stock purchase plans” of the Company, any Parent or any Subsidiary, as specified by
Section 423(b)(8) of the Code, do not permit such employee’s rights to purchase stock of the Company or any Parent or Subsidiary to accrue at a rate that exceeds $25,000 of the fair market value of such stock (determined as of the first
day of the Offering Period during which such rights are granted) for each calendar year in which such rights are outstanding at any time. This limitation shall be applied in accordance with Section 423(b)(8) of the Code. 

5.6    Suspension of Payroll Deductions. Notwithstanding the foregoing, to the extent necessary to comply with
Section 423(b)(8) of the Code and Section 5.5 or the other limitations set forth in this Plan, a Participant’s payroll deductions may be suspended by the Administrator at any time during an Offering Period. The balance of the amount
credited to the account of each Participant that has not been applied to the purchase of Shares by reason of Section 423(b)(8) of the Code, Section 5.5 or the other limitations set forth in this Plan shall be paid to such Participant in
one lump sum in cash as soon as reasonably practicable after the Purchase Date. 
 5.7    Foreign Employees. In
order to facilitate participation in the Plan, the Administrator may provide for such special terms applicable to Participants who are citizens or residents of a foreign jurisdiction, or who are employed by a Designated Subsidiary outside of the
United States, as the Administrator may consider necessary or appropriate to accommodate differences in local law, tax policy or custom. Such special terms may not be more favorable than the terms of rights granted under the Plan to Eligible
Employees who are residents of the United States. Moreover, the Administrator may approve such supplements to, or amendments, restatements or alternative versions of, this Plan as it may consider necessary or appropriate for such purposes without
thereby affecting the terms of this Plan as in effect for any other purpose. No such special terms, supplements, amendments or restatements shall include any provisions that are inconsistent with the terms of this Plan as then in effect unless this
Plan could have been amended to eliminate such inconsistency without further approval by the stockholders of the Company. 

5.8    Leave of Absence. During leaves of absence approved by the Company meeting the requirements of Treasury
Regulation Section 1.421-1(h)(2) under the Code, a Participant may continue participation in the Plan by making cash payments to the Company on his or her normal payday equal to his or her authorized
payroll deduction. 
 ARTICLE VI. 

GRANT AND EXERCISE OF RIGHTS 

6.1    Grant of Rights. On the Enrollment Date of each Offering Period, each Eligible Employee participating in
such Offering Period shall be granted a right to purchase the maximum number of Shares specified under Section 4.2, subject to the limits in Section 5.5, and shall have the right to buy, on each Purchase Date during such Offering Period
(at the applicable Purchase Price), such number of whole Shares as is determined by dividing (a) such Participant’s payroll deductions accumulated prior to such Purchase Date and retained in the Participant’s account as of the
Purchase Date, by (b) the applicable Purchase Price (rounded down to the nearest Share). The right shall expire on the earlier of: (x) the last Purchase Date of such Offering Period, (y) last day of such Offering Period and
(z) the date on which such Participant withdraws in accordance with Section 7.1 or Section 7.3. 

  
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 6.2    Exercise of Rights. On each Purchase Date, each
Participant’s accumulated payroll deductions and any other additional payments specifically provided for in the applicable Offering Document will be applied to the purchase of whole Shares, up to the maximum number of Shares permitted pursuant
to the terms of the Plan and the applicable Offering Document, at the Purchase Price. No fractional Shares shall be issued upon the exercise of rights granted under the Plan, unless the Offering Document specifically provides otherwise. Any cash in
lieu of fractional Shares remaining after the purchase of whole Shares upon exercise of a purchase right will be carried forward and applied toward the purchase of whole Shares for the following Offering Period. Shares issued pursuant to the Plan
may be evidenced in such manner as the Administrator may determine and may be issued in certificated form or issued pursuant to book-entry procedures. 

6.3    Pro Rata Allocation of Shares. If the Administrator determines that, on a given Purchase Date, the number of
Shares with respect to which rights are to be exercised may exceed (a) the number of Shares that were available for issuance under the Plan on the Enrollment Date of the applicable Offering Period, or (b) the number of Shares available for
issuance under the Plan on such Purchase Date, the Administrator may in its sole discretion provide that the Company shall make a pro rata allocation of the Shares available for purchase on such Enrollment Date or Purchase Date, as applicable, in as
uniform a manner as shall be practicable and as it shall determine in its sole discretion to be equitable among all Participants for whom rights to purchase Shares are to be exercised pursuant to this Article VI on such Purchase Date, and shall
either (i) continue all Offering Periods then in effect, or (ii) terminate any or all Offering Periods then in effect pursuant to Article IX. The Company may make pro rata allocation of the Shares available on the Enrollment Date of
any applicable Offering Period pursuant to the preceding sentence, notwithstanding any authorization of additional Shares for issuance under the Plan by the Company’s stockholders subsequent to such Enrollment Date. The balance of the amount
credited to the account of each Participant that has not been applied to the purchase of Shares shall be paid to such Participant, without interest, in one lump sum in cash as soon as reasonably practicable after the Purchase Date. 

6.4    Withholding. At the time a Participant’s rights under the Plan are exercised, in whole or in part, or
at the time some or all of the Shares issued under the Plan is disposed of, the Participant must make adequate provision for the Company’s federal, state, or other tax withholding obligations, if any, that arise upon the exercise of the right
or the disposition of the Shares. At any time, the Company may, but shall not be obligated to, withhold from the Participant’s compensation the amount necessary for the Company to meet applicable withholding obligations, including any
withholding required to make available to the Company any tax deductions or benefits attributable to sale or early disposition of Shares by the Participant. 

6.5    Conditions to Issuance of Common Stock. The Company shall not be required to issue or deliver any
certificate or certificates for, or make any book entries evidencing, Shares purchased upon the exercise of rights under the Plan prior to fulfillment of all of the following conditions: 

(a)    The admission of such Shares to listing on all stock exchanges, if any, on which the Common Stock is then listed;

 (b)    The completion of any registration or other qualification of such Shares under any state or federal law or
under the rulings or regulations of the Securities and Exchange Commission or any other governmental regulatory body, that the Administrator shall, in its absolute discretion, deem necessary or advisable; 

(c)    The obtaining of any approval or other clearance from any state or federal governmental agency that the
Administrator shall, in its absolute discretion, determine to be necessary or advisable; 

  
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 (d)    The payment to the Company of all amounts that it is required to
withhold under federal, state or local law upon exercise of the rights, if any; and 
 (e)    The lapse of such
reasonable period of time following the exercise of the rights as the Administrator may from time to time establish for reasons of administrative convenience. 

ARTICLE VII. 

WITHDRAWAL; CESSATION OF ELIGIBILITY 

7.1    Withdrawal. A Participant may withdraw all but not less than all of the payroll deductions credited to his
or her account and not yet used to exercise his or her rights under the Plan at any time by giving written notice to the Company in a form acceptable to the Company no later than two weeks prior to the end of the Offering Period or, if earlier, the
end of the Purchase Period (or such shorter or longer period as may be specified by the Administrator in the Offering Document). All of the Participant’s payroll deductions credited to his or her account during the Offering Period not yet used
to exercise his or her rights under the Plan shall be paid to such Participant as soon as reasonably practicable after receipt of notice of withdrawal and such Participant’s rights for the Offering Period shall be automatically terminated, and
no further payroll deductions for the purchase of Shares shall be made for such Offering Period. If a Participant withdraws from an Offering Period, payroll deductions shall not resume at the beginning of the next Offering Period unless the
Participant is an Eligible Employee and timely delivers to the Company a new subscription agreement. 
 7.2    Future
Participation. A Participant’s withdrawal from an Offering Period shall not have any effect upon his or her eligibility to participate in any similar plan that may hereafter be adopted by the Company or a Designated Subsidiary or in
subsequent Offering Periods that commence after the termination of the Offering Period from which the Participant withdraws. 

7.3    Cessation of Eligibility. Upon a Participant’s ceasing to be an Eligible Employee for any reason, he or
she shall be deemed to have elected to withdraw from the Plan pursuant to this Article VII and the payroll deductions credited to such Participant’s account during the Offering Period shall be paid to such Participant or, in the case of
his or her death, to the person or persons entitled thereto under Section 12.4, as soon as reasonably practicable, and such Participant’s rights for the Offering Period shall be automatically terminated. 

ARTICLE VIII. 

ADJUSTMENTS UPON CHANGES IN STOCK 

8.1    Changes in Capitalization. Subject to Section 8.3, in the event that the Administrator determines that
any dividend or other distribution (whether in the form of cash, Common Stock, other securities, or other property), Change in Control, reorganization, merger, amalgamation, consolidation, combination, repurchase, recapitalization, liquidation,
dissolution, or sale, transfer, exchange or other disposition of all or substantially all of the assets of the Company, or sale or exchange of Common Stock or other securities of the Company, issuance of warrants or other rights to purchase Common
Stock or other securities of the Company, or other similar corporate transaction or event, as determined by the Administrator, affects the Common Stock such that an adjustment is determined by the Administrator to be appropriate in order to prevent
dilution or enlargement of the benefits or potential benefits intended by the Company to be made available under the Plan or with respect to any outstanding purchase rights under the Plan, the Administrator shall make equitable adjustments, if any,
to reflect such change with respect to (a) the aggregate number and type of Shares (or other securities or property) that may be issued under the Plan (including, but not limited to, adjustments of the limitations in Section 3.1 and the
limitations established in each Offering Document pursuant to Section 4.2 on the maximum number of Shares that may be purchased); (b) the class(es) and number of Shares and price per Share subject to outstanding rights; and (c) the
Purchase Price with respect to any outstanding rights. 

  
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 8.2    Other Adjustments. Subject to Section 8.3, in the
event of any transaction or event described in Section 8.1 or any unusual or nonrecurring transactions or events affecting the Company, any affiliate of the Company, or the financial statements of the Company or any affiliate (including without
limitation any Change in Control), or of changes in Applicable Law or accounting principles, the Administrator, in its discretion, and on such terms and conditions as it deems appropriate, is hereby authorized to take any one or more of the
following actions whenever the Administrator determines that such action is appropriate in order to prevent the dilution or enlargement of the benefits or potential benefits intended to be made available under the Plan or with respect to any right
under the Plan, to facilitate such transactions or events or to give effect to such changes in laws, regulations or principles: 

(a)    To provide for either (i) termination of any outstanding right in exchange for an amount of cash, if any,
equal to the amount that would have been obtained upon the exercise of such right had such right been currently exercisable or (ii) the replacement of such outstanding right with other rights or property selected by the Administrator in its
sole discretion; 
 (b)    To provide that the outstanding rights under the Plan shall be assumed by the successor or
survivor corporation, or a parent or subsidiary thereof, or shall be substituted for by similar rights covering the stock of the successor or survivor corporation, or a parent or subsidiary thereof, with appropriate adjustments as to the number and
kind of shares and prices; 
 (c)    To make adjustments in the number and type of Shares (or other securities or
property) subject to outstanding rights under the Plan and/or in the terms and conditions of outstanding rights and rights that may be granted in the future; 

(d)    To provide that Participants’ accumulated payroll deductions may be used to purchase Common Stock prior to the
next occurring Purchase Date on such date as the Administrator determines in its sole discretion and the Participants’ rights under the ongoing Offering Period(s) shall be terminated; and 

(e)    To provide that all outstanding rights shall terminate without being exercised. 

8.3    No Adjustment Under Certain Circumstances. No adjustment or action described in this Article VIII or in
any other provision of the Plan shall be authorized to the extent that such adjustment or action would cause the Plan to fail to satisfy the requirements of Section 423 of the Code. 

8.4    No Other Rights. Except as expressly provided in the Plan, no Participant shall have any rights by reason of
any subdivision or consolidation of shares of stock of any class, the payment of any dividend, any increase or decrease in the number of shares of stock of any class or any dissolution, liquidation, merger, or consolidation of the Company or any
other corporation. Except as expressly provided in the Plan or pursuant to action of the Administrator under the Plan, no issuance by the Company of shares of stock of any class, or securities convertible into shares of stock of any class, shall
affect, and no adjustment by reason thereof shall be made with respect to, the number of Shares subject to outstanding rights under the Plan or the Purchase Price with respect to any outstanding rights. 

ARTICLE IX. 
 AMENDMENT,
MODIFICATION AND TERMINATION 
 9.1    Amendment, Modification and Termination. The Administrator may amend,
suspend or terminate the Plan at any time and from time to time; provided, however, that approval of the Company’s stockholders shall be required to amend the Plan to: (a) increase the aggregate number, or change the
type, of shares that may be sold pursuant to rights under the Plan under Section 3.1 (other than an adjustment as provided by Article VIII); (b) change the Plan in any manner that would be considered the adoption of a new plan within the
meaning of Treasury regulation Section 1.423-2(c)(4); or (c) change the Plan in any manner that would cause the Plan to no longer be an “employee stock purchase plan” within the meaning of
Section 423(b) of the Code. 

  
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 9.2    Certain Changes to Plan. Without stockholder consent and
without regard to whether any Participant rights may be considered to have been adversely affected, to the extent permitted by Section 423 of the Code, the Administrator shall be entitled to change or terminate the Offering Periods, limit the
frequency and/or number of changes in the amount withheld from Compensation during an Offering Period, establish the exchange ratio applicable to amounts withheld in a currency other than U.S. dollars, permit payroll withholding in excess of the
amount designated by a Participant in order to adjust for delays or mistakes in the Company’s processing of payroll withholding elections, establish reasonable waiting and adjustment periods and/or accounting and crediting procedures to ensure
that amounts applied toward the purchase of Common Stock for each Participant properly correspond with amounts withheld from the Participant’s Compensation, and establish such other limitations or procedures as the Administrator determines in
its sole discretion to be advisable that are consistent with the Plan. 
 9.3    Actions In the Event of Unfavorable
Financial Accounting Consequences. In the event the Administrator determines that the ongoing operation of the Plan may result in unfavorable financial accounting consequences, the Administrator may, in its discretion and, to the extent
necessary or desirable, modify or amend the Plan to reduce or eliminate such accounting consequence including, but not limited to: 

(a)    altering the Purchase Price for any Offering Period including an Offering Period underway at the time of the change
in Purchase Price; 
 (b)    shortening any Offering Period so that the Offering Period ends on a new Purchase Date,
including an Offering Period underway at the time of the Administrator action; and 
 (c)    allocating Shares. 

Such modifications or amendments shall not require stockholder approval or the consent of any Participant. 

9.4    Payments Upon Termination of Plan. Upon termination of the Plan, the balance in each Participant’s Plan
account shall be refunded as soon as practicable after such termination, without any interest thereon. 
 ARTICLE X. 

TERM OF PLAN 
 The Plan
shall be effective on the Effective Date. The effectiveness of the Plan shall be subject to approval of the Plan by the stockholders of the Company within 12 months following the date the Plan is first approved by the Board. No right may be granted
under the Plan prior to such stockholder approval. No rights may be granted under the Plan during any period of suspension of the Plan or after termination of the Plan. 

  
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 ARTICLE XI. 

ADMINISTRATION 

11.1    Administrator. Unless otherwise determined by the Board, the Administrator of the Plan shall be the
Compensation Committee of the Board (or another committee or a subcommittee of the Board to which the Board delegates administration of the Plan) (such committee, the “Committee”). The Board may at any time vest in the Board
any authority or duties for administration of the Plan. 
 11.2    Action by the Administrator. Unless otherwise
established by the Board or in any charter of the Administrator, a majority of the Administrator shall constitute a quorum. The acts of a majority of the members present at any meeting at which a quorum is present and, subject to Applicable Law and
the Bylaws of the Company, acts approved in writing by a majority of the Administrator in lieu of a meeting, shall be deemed the acts of the Administrator. Each member of the Administrator is entitled to, in good faith, rely or act upon any report
or other information furnished to that member by any officer or other employee of the Company or any Designated Subsidiary, the Company’s independent certified public accountants, or any executive compensation consultant or other professional
retained by the Company to assist in the administration of the Plan. 
 11.3    Authority of Administrator.
The Administrator shall have the power, subject to, and within the limitations of, the express provisions of the Plan: 

(a)    To determine when and how rights to purchase Shares shall be granted and the provisions of each offering of such
rights (which need not be identical). 
 (b)    To designate from time to time which Subsidiaries of the Company shall
be Designated Subsidiaries, which designation may be made without the approval of the stockholders of the Company. 

(c)    To construe and interpret the Plan and rights granted under it, and to establish, amend and revoke rules and
regulations for its administration. The Administrator, in the exercise of this power, may correct any defect, omission or inconsistency in the Plan, in a manner and to the extent it shall deem necessary or expedient to make the Plan fully effective.

 (d)    To amend, suspend or terminate the Plan as provided in Article IX. 

(e)    Generally, to exercise such powers and to perform such acts as the Administrator deems necessary or expedient to
promote the best interests of the Company and its Subsidiaries and to carry out the intent that the Plan be treated as an “employee stock purchase plan” within the meaning of Section 423 of the Code. 

11.4    Decisions Binding. The Administrator’s interpretation of the Plan, any rights granted pursuant to the
Plan, any subscription agreement and all decisions and determinations by the Administrator with respect to the Plan are final, binding, and conclusive on all parties. 

ARTICLE XII. 

MISCELLANEOUS 

12.1    Restriction upon Assignment. A right granted under the Plan shall not be transferable other than by will or
the Applicable Laws of descent and distribution, and is exercisable during the Participant’s lifetime only by the Participant. Except as provided in Section 12.4 hereof, a right under the Plan may not be exercised to any extent except by
the Participant. The Company shall not recognize and shall be under no duty to recognize any assignment or alienation of the Participant’s interest in the Plan, the Participant’s rights under the Plan or any rights thereunder. 

  
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 12.2    Rights as a Stockholder. With respect to Shares
subject to a right granted under the Plan, a Participant shall not be deemed to be a stockholder of the Company, and the Participant shall not have any of the rights or privileges of a stockholder, until such Shares have been issued to the
Participant or his or her nominee following exercise of the Participant’s rights under the Plan. No adjustments shall be made for dividends (ordinary or extraordinary, whether in cash securities, or other property) or distribution or other
rights for which the record date occurs prior to the date of such issuance, except as otherwise expressly provided herein or as determined by the Administrator. 

12.3    Interest. No interest shall accrue on the payroll deductions or contributions of a Participant under
the Plan. 
 12.4    Designation of Beneficiary. 

(a)    A Participant may, in the manner determined by the Administrator, file a written designation of a beneficiary who is
to receive any Shares and/or cash, if any, from the Participant’s account under the Plan in the event of such Participant’s death subsequent to a Purchase Date on which the Participant’s rights are exercised but prior to delivery to
such Participant of such Shares and cash. In addition, a Participant may file a written designation of a beneficiary who is to receive any cash from the Participant’s account under the Plan in the event of such Participant’s death prior to
exercise of the Participant’s rights under the Plan. If the Participant is married and resides in a community property state, a designation of a person other than the Participant’s spouse as his or her beneficiary shall not be effective
without the prior written consent of the Participant’s spouse. 
 (b)    Such designation of beneficiary may be
changed by the Participant at any time by written notice to the Company. In the event of the death of a Participant and in the absence of a beneficiary validly designated under the Plan who is living at the time of such Participant’s death, the
Company shall deliver such Shares and/or cash to the executor or administrator of the estate of the Participant, or if no such executor or administrator has been appointed (to the knowledge of the Company), the Company, in its discretion, may
deliver such Shares and/or cash to the spouse or to any one or more dependents or relatives of the Participant, or if no spouse, dependent or relative is known to the Company, then to such other person as the Company may designate. 

12.5    Notices. All notices or other communications by a Participant to the Company under or in connection with
the Plan shall be deemed to have been duly given when received in the form specified by the Company at the location, or by the person, designated by the Company for the receipt thereof. 

12.6    Equal Rights and Privileges. Subject to Section 5.7, all Eligible Employees will have equal rights and
privileges under this Plan so that this Plan qualifies as an “employee stock purchase plan” within the meaning of Section 423 of the Code. Subject to Section 5.7, any provision of this Plan that is inconsistent with
Section 423 of the Code will, without further act or amendment by the Company, the Board or the Administrator, be reformed to comply with the equal rights and privileges requirement of Section 423 of the Code. 

12.7    Use of Funds. All payroll deductions received or held by the Company under the Plan may be used by the
Company for any corporate purpose, and the Company shall not be obligated to segregate such payroll deductions. 

  
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 12.8    Reports. Statements of account shall be given to
Participants at least annually, which statements shall set forth the amounts of payroll deductions, the Purchase Price, the number of Shares purchased and the remaining cash balance, if any. 

12.9    No Employment Rights. Nothing in the Plan shall be construed to give any person (including any Eligible
Employee or Participant) the right to employment or service with (or to remain in the employ of) the Company or any Parent or Subsidiary thereof or affect the right of the Company or any Parent or Subsidiary thereof to terminate the employment of
any person (including any Eligible Employee or Participant) at any time, with or without cause. 
 12.10    Notice of
Disposition of Shares. Each Participant shall give prompt notice to the Company of any disposition or other transfer of any Shares purchased upon exercise of a right under the Plan if such disposition or transfer is made: (a) within two
years from the Enrollment Date of the Offering Period in which the Shares were purchased or (b) within one year after the Purchase Date on which such Shares were purchased. Such notice shall specify the date of such disposition or other
transfer and the amount realized, in cash, other property, assumption of indebtedness or other consideration, by the Participant in such disposition or other transfer. 

12.11    Governing Law. The Plan and any agreements hereunder shall be administered, interpreted and enforced under
the internal laws of the State of Delaware without regard to conflicts of laws thereof or of any other jurisdiction. 

12.12    Electronic Forms. To the extent permitted by Applicable Law and in the discretion of the Administrator, an
Eligible Employee may submit any form or notice as set forth herein by means of an electronic form approved by the Administrator. Before the commencement of an Offering Period, the Administrator shall prescribe the time limits within which any such
electronic form shall be submitted to the Administrator with respect to such Offering Period in order to be a valid election. 

*        *        *       
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