EX-10.10



 Exhibit 10.10 

RELYPSA, INC. 
 2013
EMPLOYEE STOCK PURCHASE PLAN 
 ARTICLE I. 

PURPOSE, SCOPE AND ADMINISTRATION OF THE PLAN 

1.1 Purpose and Scope. The purpose of the Relypsa, Inc. 2013 Employee Stock Purchase Plan, as it may be amended from time to time, (the
“Plan”) is to assist employees of Relypsa, 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” under Section 423 of the Code and to help such employees provide for their future security and to encourage them to remain in the employment of the Company and its Subsidiaries. 

ARTICLE II. 
 DEFINITIONS

 Whenever the following terms are used in the Plan, they shall have the meaning specified below unless the context clearly indicates
to the contrary. The singular pronoun shall include the plural where the context so indicates. 
 2.1 “Agent” means the
brokerage firm, bank or other financial institution, entity or person(s), if any, engaged, retained, appointed or authorized to act as the agent of the Company or an Employee with regard to the Plan. 

2.2 “Administrator” shall mean the Committee, or such individuals to which authority to administer the Plan has been
delegated under Section 7.1 hereof. 
 2.3 “Board” shall mean the Board of Directors of the Company. 

2.4 “Code” shall mean the Internal Revenue Code of 1986, as amended. 

2.5 “Committee” shall mean the Compensation Committee of the Board. 

2.6 “Common Stock” shall mean the Class A common stock of the Company, par value $0.001 per share (as such may be
redesignated from time to time). 
 2.7 “Company” shall have such meaning as set forth in Section 1.1 hereof. 

2.8 “Compensation” of an Employee shall mean the regular straight-time earnings or base salary and commissions paid to the
Employee from the Company on each Payday as compensation for services to the Company or any Designated Subsidiary, before deduction for any salary deferral contributions made by the Employee to any tax-qualified or nonqualified deferred compensation
plan, including overtime, shift differentials, vacation pay, salaried production schedule premiums, holiday pay, jury duty pay, funeral leave pay, paid time off, military pay, prior week adjustments and weekly bonus, but excluding education or
tuition reimbursements, imputed income arising under any group insurance or benefit program, travel expenses, business and moving reimbursements, income received in connection with any stock 







 
options, restricted stock, restricted stock units or other compensatory equity awards 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. Such Compensation shall be calculated before deduction of any income or employment tax withholdings, but shall be withheld from the Employee’s net income. 

2.9 “Designated Subsidiary” shall mean each Subsidiary that have been designated by the Board or Committee from
time to time in its sole discretion as eligible to participate in the Plan, including any Subsidiary in existence on the Effective Date and any Subsidiary formed or acquired following the Effective Date, in accordance with Section 7.2 hereof.

 2.10 “Effective Date” shall mean immediately prior to the date on which the Company’s registration statement
relating to its initial public offering becomes effective, provided that the Board has adopted the Plan prior to or on such date, subject to approval of the Plan by the Company’s stockholders. 

2.11 “Eligible Employee” shall mean an Employee who (a) is customarily scheduled to work at least twenty (20) hours
per week, (b) whose customary employment is more than five (5) months in a calendar year and (c) after the granting of the Option would not be deemed for purposes of Section 423(b)(3) of the Code to possess five percent
(5%) or more of the total combined voting power or value of all classes of stock of the Company or any Subsidiary. For purposes of clause (c), 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 which an Employee may purchase under outstanding options shall be treated as stock owned by the Employee. Notwithstanding the foregoing, the Administrator may exclude from
participation in the Plan as an Eligible Employee (x) any Employee that is a “highly compensated employee” of the Company or any Designated Subsidiary (within the meaning of Section 414(q) of the Code), or that is such a
“highly compensated employee” (A) with compensation above a specified level, (B) who is an officer and/or (C) is subject to the disclosure requirements of Section 16(a) of the Exchange Act and/or (y) any Employee
who is a citizen or resident of a foreign jurisdiction (without regard to whether they are also a citizen of the United States or a resident alien (within the meaning of Section 7701(b)(1)(A) of the Code)) if either (i) the grant of the
Option is prohibited under the laws of the jurisdiction governing such Employee, or (ii) compliance with the laws of the foreign jurisdiction would cause the Plan or the Option to violate the requirements of Section 423 of the Code;
provided that any exclusion in clauses (x), and/or (y) shall be applied in an identical manner under each Offering Period to all Employees of the Company and all Designated Subsidiaries, in accordance with Treasury Regulation
Section 1.423-2(e). 
 2.12 “Employee” shall mean any person who renders services to the Company or a Designated
Subsidiary in the status of an employee within the meaning of Section 3401(c) of the Code. “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 in the status of 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 military leave, sick leave or
other leave of absence approved by the Company or Designated Subsidiary 

  
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and meeting the requirements of Treasury Regulation Section 1.421-1(h)(2). Where the period of leave exceeds three (3) months, or such other period specified in Treasury Regulation
Section 1.421-1(h)(2), 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
(3)-month period, or such other period specified in Treasury Regulation Section 1.421-1(h)(2). 
 2.13 “Enrollment
Date” shall mean the first date of each Offering Period. 
 2.14 “Exercise Date” shall mean the last Trading Day
of each Offering Period, except as provided in Section 5.2 hereof. 
 2.15 “Exchange Act” shall mean the Securities
Exchange Act of 1934, as amended. 
 2.16 “Fair Market Value” shall mean, as of any date, the value of Common Stock
determined as follows: 
 (a) If the Common Stock is (i) listed on any established securities exchange (such as the New York Stock
Exchange, the NASDAQ Global Market and the NASDAQ Global Select Market), (ii) listed on any national market system or (iii) listed, quoted or traded on any automated quotation system, its Fair Market Value shall be the closing sales price
for a share of Common Stock as quoted on such exchange or system for such date or, if there is no closing sales price for a share of Common Stock on the date in question, the closing sales price for a share of Stock on the last preceding date for
which such quotation exists, as reported in The Wall Street Journal or such other source as the Administrator deems reliable; 
 (b)
If the Common Stock is not listed on an established securities exchange, national market system or automated quotation system, but the Common Stock is regularly quoted by a recognized securities dealer, its Fair Market Value shall be the mean of the
high bid and low asked prices for such date or, if there are no high bid and low asked prices for a share of Common Stock on such date, the high bid and low asked prices for a share of Common Stock on the last preceding date for which such
information exists, as reported in The Wall Street Journal or such other source as the Administrator deems reliable; or 
 (c) If
the Common Stock is neither listed on an established securities exchange, national market system or automated quotation system nor regularly quoted by a recognized securities dealer, its Fair Market Value shall be established by the Administrator in
good faith. 
 2.17 “Grant Date” shall mean the first Trading Day of an Offering Period. 

2.18 “New Exercise Date” shall have such meaning as set forth in Section 5.2(b) hereof. 

2.19 “Offering Period” shall mean the shall mean the six (6)-month period commencing on each March 1 and
September 1 following the Effective Date, except as otherwise provided under Section 5.3 hereof; provided, however, that the first Offering Period commencing on or after the Effective Date shall commence and end on the dates
determined by the Administrator. The duration and timing of Offering Periods may be changed by the Board or Committee, in its sole discretion. In no event may an Offering Period exceed twenty-seven (27) months. 

  
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 2.20 “Option” shall mean the right to purchase shares of Common Stock pursuant
to the Plan during each Offering Period. 
 2.21 “Option Price” shall mean the purchase price of a share of Common Stock
hereunder as provided in Section 4.2 hereof. 
 2.22 “Parent” means any entity that is a parent corporation of the
Company within the meaning of Section 424 of the Code and the Treasury Regulations thereunder. 
 2.23 “Participant”
shall mean any Eligible Employee who elects to participate in the Plan. 
 2.24 “Payday” shall mean the regular and
recurring established day for payment of Compensation to an Employee of the Company or any Designated Subsidiary. 
 2.25
“Plan” shall have such meaning as set forth in Section 1.1 hereof. 
 2.26 “Plan Account” shall mean
a bookkeeping account established and maintained by the Company in the name of each Participant. 
 2.27 “Section 423
Option” shall have such meaning as set forth in Section 3.1(b) hereof. 
 2.28 “Subsidiary” shall mean any
entity that is a subsidiary corporation of the Company within the meaning of Section 424 of the Code and the Treasury Regulations thereunder. In addition, with respect to any sub-plans adopted under Section 7.1(d) hereof which are designed
to be outside the scope of Section 423 of the Code, Subsidiary shall include any corporate or noncorporate entity in which the Company has a direct or indirect equity interest or significant business relationship. 

2.29 “Trading Day” shall mean a day on which the principal securities exchange on which the Common Stock is listed is open
for trading or, if the Common Stock is not listed on a securities exchange, shall mean a business day, as determined by the Administrator in good faith. 

2.30 “Withdrawal Election” shall have such meaning as set forth in Section 6.1(a) hereof. 

  
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 ARTICLE III. 

PARTICIPATION 
 3.1
Eligibility. 
 (a) 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 Articles IV and V hereof, and the limitations imposed by Section 423(b) of the Code and the Treasury Regulations
thereunder. 
 (b) No Eligible Employee shall be granted an Option under the Plan which permits the Participant’s rights to purchase
shares of Common Stock under the Plan, and to purchase stock under all other employee stock purchase plans of the Company, any Parent or any Subsidiary subject to the Section 423 of the Code (any such Option or other option, a “Section
423 Option”), to accrue at a rate which exceeds $25,000 of fair market value of such stock (determined at the time the Section 423 Option is granted) for each calendar year in which any Section 423 Option granted to the
Participant is outstanding at any time. For purposes of the limitation imposed by this subsection, 
 (i) the right to
purchase stock under a Section 423 Option accrues when the Section 423 Option (or any portion thereof) first becomes exercisable during the calendar year, 

(ii) the right to purchase stock under a Section 423 Option accrues at the rate provided in the Section 423 Option,
but in no case may such rate exceed $25,000 of fair market value of such stock (determined at the time such option is granted) for any one calendar year, and 

(iii) a right to purchase stock which has accrued under a Section 423 Option may not be carried over to any other
Section 423 Option; provided that Participants may carry forward amounts so accrued that represent a fractional share of stock and were withheld but not applied towards the purchase of Common Stock under an earlier Offering Period, and
may apply such amounts towards the purchase of additional shares of Common Stock under a subsequent Offering Period; provided further that any amounts so accrued that are in excess of a fractional share of stock will be refunded to such
Participant. 
 The limitation under this Section 3.1(b) shall be applied in accordance with Section 423(b)(8) of the Code and the Treasury
Regulations thereunder. 
 3.2 Election to Participate; Payroll Deductions 

(a) Except as provided in Section 3.3 hereof, an Eligible Employee may become a Participant in the Plan only by means of payroll
deduction. Each individual who is an Eligible Employee as of an Offering Period’s Enrollment Date may elect to participate in such Offering Period and the Plan by delivering to the Company a payroll deduction authorization no later than the
tenth (10th) calendar day prior to the applicable Enrollment Date. 
 (b) Subject
to Section 3.1(b) hereof, payroll deductions expressed as a whole number percentage and shall be equal to at least one percent (1%) of the Participant’s Compensation as of each Payday of the Offering Period following the Enrollment
Date, but not more than the lesser of fifteen percent (15%) of the Participant’s Compensation as of each 

  
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Payday of the Offering Period following the Enrollment Date. Amounts deducted from a Participant’s Compensation with respect to an Offering Period pursuant to this Section 3.2 shall be
deducted each Payday through payroll deduction and credited to the Participant’s Plan Account. 
 (c) Following at least one
(1) payroll deduction, a Participant may decrease (to as low as zero) the amount deducted from such Participant’s Compensation only once during an Offering Period upon ten (10) calendar days’ prior written notice to the Company.
A Participant may not increase the amount deducted from such Participant’s Compensation during an Offering Period. 
 (d)
Notwithstanding the foregoing, upon the termination of an Offering Period, each Participant in such Offering Period shall automatically participate in the immediately following Offering Period at the same payroll deduction percentage as in effect at
the termination of the prior Offering Period, unless such Participant delivers to the Company a different election with respect to the successive Offering Period in accordance with Section 3.1(a) hereof, or unless such Participant becomes
ineligible for participation in the Plan. 
 3.3 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 IV. 

PURCHASE OF SHARES 
 4.1
Grant of Option. Each Participant shall be granted an Option with respect to an Offering Period on the applicable Grant Date. Subject to the limitations of Section 3.1(b) hereof, the number of shares of Common Stock subject to a
Participant’s Option shall be determined by dividing (a) such Participant’s payroll deductions accumulated prior to such Exercise Date and retained in the Participant’s Plan Account on such Exercise Date by (b) the
applicable Option Price; provided that in no event shall a Participant be permitted to purchase during each Offering Period more than 20,000 shares of Common Stock (subject to any adjustment pursuant to Section 5.2 hereof). The
Administrator may, for future Offering Periods, increase or decrease, in its absolute discretion, the maximum number of shares of Common Stock that a Participant may purchase during such future Offering Periods. Each Option shall expire on the
Exercise Date for the applicable Offering Period immediately after the automatic exercise of the Option in accordance with Section 4.3 hereof, unless such Option terminates earlier in accordance with Article 6 hereof. The share number in this
Section 4.1 reflects the 17.2-to-1 reverse stock split that will be effective as of the day following the Effective Date, and shall not be further adjusted for such reverse stock split. 

4.2 Option Price. The Option Price per share of Common Stock to be paid by a Participant upon exercise of the Participant’s Option
on the applicable Exercise Date for an Offering Period shall be equal to eighty five percent (85%) of the lesser of the Fair Market Value of a share of Common Stock on (a) the applicable Grant Date and (b) the applicable Exercise
Date; provided that in no event shall the Option Price per share of Common Stock be less than the par value per share of the Common Stock. 

  
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 4.3 Purchase of Shares. 

(a) On the applicable Exercise Date for an Offering Period, each Participant shall automatically and without any action on such
Participant’s part be deemed to have exercised his or her Option to purchase at the applicable Option Price the largest number of whole shares of Common Stock which can be purchased with the amount in the Participant’s Plan Account. The
balance, if any, remaining in the Participant’s Plan Account (after exercise of such Participant’s Option) as of such Exercise Date shall be carried forward to the next Offering Period, unless the Participant has elected to withdraw from
the Plan pursuant to Section 6.1 hereof or, pursuant to Section 6.2 hereof, such Participant has ceased to be an Eligible Employee. 

(b) As soon as practicable following the applicable Exercise Date, the number of shares of Common Stock purchased by such Participant
pursuant to Section 4.3(a) hereof shall be delivered (either in share certificate or book entry form), in the Company’s sole discretion, to either (i) the Participant or (ii) an account established in the Participant’s name
at a stock brokerage or other financial services firm designated by the Company. If the Company is required to obtain from any commission or agency authority to issue any such shares of Common Stock, the Company shall seek to obtain such authority.
Inability of the Company to obtain from any such commission or agency authority which counsel for the Company deems necessary for the lawful issuance of any such shares shall relieve the Company from liability to any Participant except to refund to
the Participant such Participant’s Plan Account balance, without interest thereon. 
 4.4 Transferability of Rights. 

(a) An Option 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. No option or interest or right to the Option shall be available to pay off any debts, contracts or engagements of the Participant or his or her successors in interest or
shall be subject to disposition by pledge, encumbrance, assignment or any other means whether such disposition be voluntary or involuntary or by operation of law by judgment, levy, attachment, garnishment or any other legal or equitable proceedings
(including bankruptcy), and any attempt at disposition of the option shall have no effect. 
 (b) Subject to Sections 5.2(b) and 5.2(c)
below, the Administrator may impose a holding period for the shares of Common Stock issued pursuant to the exercise of an Option. 

ARTICLE V. 
 PROVISIONS
RELATING TO COMMON STOCK 
 5.1 Common Stock Reserved. Subject to adjustment as provided in Section 5.2 hereof, the maximum
number of shares of Common Stock that shall be made available for sale under the Plan shall be equal to the sum of (a) 255,317 shares of Common Stock and (b) an annual increase on the first day of each year beginning in 2015 and ending in
2023, equal to the 

  
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least of (i) 510,634 shares of Common Stock, (ii) one percent (1.0%) of the shares of Common Stock outstanding (on an as converted basis) on the last day of the immediately
preceding fiscal year and (iii) such number of shares of Common Stock as determined by the Board. Shares of Common Stock made available for sale under the Plan may be authorized but unissued shares, treasury shares of Common Stock, or
reacquired shares reserved for issuance under the Plan. The share numbers in this Section 5.1 reflect the 17.2-to-1 reverse stock split that will be effective the day after the Effective Date, and shall not be further adjusted for such reverse
stock split. 
 5.2 Adjustments Upon Changes in Capitalization, Dissolution, Liquidation, Merger or Asset Sale. 

(a) Changes in Capitalization. Subject to any required action by the stockholders of the Company, the number of shares of Common Stock
which have been authorized for issuance under the Plan but not yet placed under Option, as well as the price per share and the number of shares of Common Stock covered by each Option under the Plan which has not yet been exercised shall be
proportionately adjusted for any increase or decrease in the number of issued shares of Common Stock resulting from a stock split, reverse stock split, stock dividend, combination or reclassification of the Common Stock, or any other increase or
decrease in the number of shares of Common Stock effected without receipt of consideration by the Company; provided, however, that conversion of any convertible securities of the Company shall not be deemed to have been “effected
without receipt of consideration.” Such adjustment shall be made by the Administrator, whose determination in that respect shall be final, binding and conclusive. Except as expressly provided herein, no issuance by the Company of shares of
stock of any class, or securities convertible into shares of stock of any class, shall affect, and no adjustment by reason thereof shall be made with respect to, the number or price of shares of Common Stock subject to an Option. 

(b) Dissolution or Liquidation. In the event of the proposed dissolution or liquidation of the Company, the Offering Period then in
progress shall be shortened by setting a new Exercise Date (the “New Exercise Date”), and shall terminate immediately prior to the consummation of such proposed dissolution or liquidation, unless provided otherwise by the
Administrator. The New Exercise Date shall be before the date of the Company’s proposed dissolution or liquidation. The Administrator shall notify each Participant in writing, at least ten (10) business days prior to the New Exercise Date,
that the Exercise Date for the Participant’s Option has been changed to the New Exercise Date and that the Participant’s Option shall be exercised automatically on the New Exercise Date, unless prior to such date the Participant has
withdrawn from the Offering Period as provided in Section 6.1 hereof. 
 (c) Merger or Asset Sale. In the event of a proposed
sale of all or substantially all of the assets of the Company, or the merger of the Company with or into another corporation, each outstanding Option shall be assumed or an equivalent Option substituted by the successor corporation or a Parent or
Subsidiary of the successor corporation. In the event that the successor corporation refuses to assume or substitute for the Option, any Offering Periods then in progress shall be shortened by setting a New Exercise Date and any Offering Periods
then in progress shall end on the New Exercise Date. The New Exercise Date shall be before the date of the Company’s proposed sale or merger. The Administrator shall notify each Participant in 

  
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writing, at least ten (10) business days prior to the New Exercise Date, that the Exercise Date for the Participant’s Option has been changed to the New Exercise Date and that the
Participant’s Option shall be exercised automatically on the New Exercise Date, unless prior to such date the Participant has withdrawn from the Offering Period as provided in Section 6.1 hereof. 

5.3 Insufficient Shares. If the Administrator determines that, on a given Exercise Date, the number of shares of Common Stock with
respect to which Options are to be exercised may exceed the number of shares of Common Stock remaining available for sale under the Plan on such Exercise Date, the Administrator shall make a pro rata allocation of the shares of Common Stock
available for issuance on such Exercise Date in as uniform a manner as shall be practicable and as it shall determine in its sole discretion to be equitable among all Participants exercising Options to purchase Common Stock on such Exercise Date,
and unless additional shares are authorized for issuance under the Plan, no further Offering Periods shall take place and the Plan shall terminate pursuant to Section 7.5 hereof. If an Offering Period is so terminated, then the balance of the
amount credited to the Participant’s Plan Account which has not been applied to the purchase of shares of Common Stock shall be paid to such Participant in one lump sum in cash within thirty (30) days after such Exercise Date, without any
interest thereon. 
 5.4 Rights as Stockholders. With respect to shares of Common Stock subject to an Option, a Participant shall not
be deemed to be a stockholder of the Company and shall not have any of the rights or privileges of a stockholder. A Participant shall have the rights and privileges of a stockholder of the Company when, but not until, shares of Common Stock have
been deposited in the designated brokerage account following exercise of his or her Option. 
 ARTICLE VI. 

TERMINATION OF PARTICIPATION 

6.1 Cessation of Contributions; Voluntary Withdrawal. 

(a) A Participant may cease payroll deductions during an Offering Period and elect to withdraw from the Plan by delivering written notice of
such election to the Company in such form and at such time prior to the Exercise Date for such Offering Period as may be established by the Administrator (a “Withdrawal Election”). A Participant electing to withdraw from the Plan
may elect to either (i) withdraw all of the funds then credited to the Participant’s Plan Account as of the date on which the Withdrawal Election is received by the Company, in which case amounts credited to such Plan Account shall be
returned to the Participant in one (1) lump-sum payment in cash within thirty (30) days after such election is received by the Company, without any interest thereon, and the Participant shall cease to participate in the Plan and the
Participant’s Option for such Offering Period shall terminate; or (ii) exercise the Option for the maximum number of whole shares of Common Stock on the applicable Exercise Date with any remaining Plan Account balance returned to the
Participant in one (1) lump-sum payment in cash within thirty (30) days after such Exercise Date, without any interest thereon, and after such exercise cease to participate in the Plan. Upon receipt of a Withdrawal Election, the
Participant’s payroll deduction authorization and his or her Option to purchase under the Plan shall terminate. 

  
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 (b) A participant’s withdrawal from the Plan shall not have any effect upon his or her
eligibility to participate in any similar plan which may hereafter be adopted by the Company or in succeeding Offering Periods which commence after the termination of the Offering Period from which the Participant withdraws. 

(c) A Participant who ceases contributions to the Plan during any Offering Period shall not be permitted to resume contributions to the Plan
during that Offering Period. 
 6.2 Termination of Eligibility. Upon a Participant’s ceasing to be an Eligible Employee, for any
reason, such Participant’s Option for the applicable Offering Period shall automatically terminate, he or she shall be deemed to have elected to withdraw from the Plan, and such Participant’s Plan Account shall be paid to such Participant
or, in the case of his or her death, to the person or persons entitled thereto pursuant to applicable law, within thirty (30) days after such cessation of being an Eligible Employee, without any interest thereon. 

ARTICLE VII. 
 GENERAL
PROVISIONS 
 7.1 Administration. 

(a) The Plan shall be administered by the Committee, which shall be composed of members of the Board. The Committee may delegate
administrative tasks under the Plan to the services of an Agent and/or Employees to assist in the administration of the Plan, including establishing and maintaining an individual securities account under the Plan for each Participant. 

(b) It shall be the duty of the Administrator to conduct the general administration of the Plan in accordance with the provisions of the
Plan. The Administrator shall have the power, subject to, and within the limitations of, the express provisions of the Plan: 

(i) To establish Offering Periods; 

(ii) To determine when and how Options shall be granted and the provisions and terms of each Offering Period (which need not
be identical); 
 (iii) To select Designated Subsidiaries in accordance with Section 7.2 hereof; and 

(iv) To construe and interpret the Plan, the terms of any Offering Period and the terms of the Options and to adopt such rules
for the administration, interpretation, and application of the Plan as are consistent therewith and to interpret, amend or revoke any such rules. The Administrator, in the exercise of this power, may correct any defect, omission or inconsistency in
the Plan, any Offering Period or any Option, in a manner and to the extent it shall deem necessary or expedient to make the Plan fully effect, subject to Section 423 of the Code and the Treasury Regulations thereunder. 

  
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 (c) The Administrator may adopt rules or procedures relating to the operation and administration
of the Plan to accommodate the specific requirements of local laws and procedures. Without limiting the generality of the foregoing, the Administrator is specifically authorized to adopt rules and procedures regarding handling of participation
elections, payroll deductions, payment of interest, conversion of local currency, payroll tax, withholding procedures and handling of stock certificates which vary with local requirements. In its absolute discretion, the Board may at any time and
from time to time exercise any and all rights and duties of the Administrator under the Plan. 
 (d) The Administrator may adopt sub-plans
applicable to particular Designated Subsidiaries or locations, which sub-plans may be designed to be outside the scope of Section 423 of the Code. The rules of such sub-plans may take precedence over
other provisions of this Plan, with the exception of Section 5.1 hereof, but unless otherwise superseded by the terms of such sub-plan, the provisions of this Plan shall govern the operation of such sub-plan. 

(e) All expenses and liabilities incurred by the Administrator in connection with the administration of the Plan shall be borne by the
Company. The Administrator may, with the approval of the Committee, employ attorneys, consultants, accountants, appraisers, brokers or other persons. The Administrator, the Company and its officers and directors shall be entitled to rely upon the
advice, opinions or valuations of any such persons. All actions taken and all interpretations and determinations made by the Administrator in good faith shall be final and binding upon all Participants, the Company and all other interested persons.
No member of the Board or Administrator shall be personally liable for any action, determination or interpretation made in good faith with respect to the Plan or the options, and all members of the Board or Administrator shall be fully protected by
the Company in respect to any such action, determination, or interpretation. 
 7.2 Designation of Subsidiary Corporations. The Board
or Committee shall designate from among the Subsidiaries, as determined from time to time, the Subsidiary or Subsidiaries that shall constitute Designated Subsidiaries. The Board or Committee may designate a Subsidiary, or terminate the designation
of a Subsidiary, without the approval of the stockholders of the Company. 
 7.3 Reports. Individual accounts shall be maintained for
each Participant in the Plan. Statements of Plan Accounts shall be given to Participants at least annually, which statements shall set forth the amounts of payroll deductions, the Option Price, the number of shares purchased and the remaining cash
balance, if any. 
 7.4 No Right to Employment. Nothing in the Plan shall be construed to give any person (including any Participant)
the right to remain in the employ of the Company, a Parent or a Subsidiary or to affect the right of the Company, any Parent or any Subsidiary to terminate the employment of any person (including any Participant) at any time, with or without cause,
which right is expressly reserved. 

  
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 7.5 Amendment and Termination of the Plan. 

(a) The Board may, in its sole discretion, amend, suspend or terminate the Plan at any time and from time to time; provided,
however, that without approval of the Company’s stockholders given within twelve (12) months before or after action by the Board, the Plan may not be amended to increase the maximum number of shares of Common Stock subject to the
Plan or change the designation or class of Eligible Employees; and provided, further that without approval of the Company’s stockholders, the Plan may not be amended 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. 
 (b) In the event the Administrator
determines that the ongoing operation of the Plan may result in unfavorable financial accounting consequences, the Administrator may, to the extent permitted under Section 423 of the Code, 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: 
 (i)
altering the Option Price for any Offering Period including an Offering Period underway at the time of the change in Option Price; 

(ii) shortening any Offering Period so that the Offering Period ends on a new Exercise Date, including an Offering Period
underway at the time of the Administrator action; and 
 (iii) allocating shares of Common Stock. 

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

(c) 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. 
 7.6 Use of Funds; No Interest Paid. All funds received by the Company by reason of
purchase of Common Stock under the Plan shall be included in the general funds of the Company free of any trust or other restriction and may be used for any corporate purpose. No interest shall be paid to any Participant or credited under the Plan.

 7.7 Term; Approval by Stockholders. Subject to approval by the stockholders of the Company in accordance with this
Section 7.7, the Plan shall terminate on the tenth (10th) anniversary of the date of its initial approval by the stockholders of the Company, unless earlier terminated in accordance with
Sections 5.3 or 7.5 hereof. No Option may be granted during any period of suspension of the Plan or after termination of the Plan. The Plan shall be submitted for the approval of the Company’s stockholders within twelve (12) months after
the date of the Board’s initial adoption of the Plan. Options may be granted prior to such stockholder approval; provided, however, that such Options shall not be exercisable prior to the time when the Plan is approved by the
stockholders; provided, further that if such approval has not been obtained by the end of said twelve (12)-month period, all Options previously granted under the Plan shall thereupon terminate and be canceled and become null and void
without being exercised. 

  
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 7.8 Effect Upon Other Plans. The adoption of the Plan shall not affect any other
compensation or incentive plans in effect for the Company, any Parent or any Subsidiary. Nothing in the Plan shall be construed to limit the right of the Company, any Parent or any Subsidiary (a) to establish any other forms of incentives or
compensation for Employees of the Company or any Parent or any Subsidiary, or (b) to grant or assume Options otherwise than under the Plan in connection with any proper corporate purpose, including, but not by way of limitation, the grant or
assumption of options in connection with the acquisition, by purchase, lease, merger, consolidation or otherwise, of the business, stock or assets of any corporation, firm or association. 

7.9 Conformity to Securities Laws. Notwithstanding any other provision of the Plan, the Plan and the participation in the Plan by any
individual who is then subject to Section 16 of the Exchange Act shall be subject to any additional limitations set forth in any applicable exemption rule under Section 16 of the Exchange Act (including any amendment to Rule 16b-3 of the Exchange Act) that are requirements for the application of such exemptive rule. To the extent permitted by applicable law, the Plan shall be deemed amended to the extent necessary to conform to such
applicable exemptive rule. 
 7.10 Notice of Disposition of Shares. Each Participant shall give the Company prompt notice of any
disposition or other transfer of any shares of Common Stock, acquired pursuant to the exercise of an Option, if such disposition or transfer is made (a) within two (2) years after the applicable Grant Date or (b) within one
(1) year after the transfer of such shares of Common Stock to such Participant upon exercise of such Option. The Company may direct that any certificates evidencing shares acquired pursuant to the Plan refer to such requirement. 

7.11 Tax Withholding. The Company or any Parent or any Subsidiary shall be entitled to require payment in cash or deduction from other
compensation payable to each Participant of any sums required by federal, state or local tax law to be withheld with respect to any purchase of shares of Common Stock under the Plan or any sale of such shares. 

7.12 Governing Law. The Plan and all rights and obligations thereunder shall be construed and enforced in accordance with the laws of
the State of Delaware. 
 7.13 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. 

7.14 Conditions To Issuance of Shares. 

(a) Notwithstanding anything herein to the contrary, the Company shall not be required to issue or deliver any certificates or make any book
entries evidencing shares of Common Stock pursuant to the exercise of an Option by a Participant, unless and until the Board or the Committee has determined, with advice of counsel, that the issuance of such shares of Common Stock is in compliance
with all applicable laws, regulations of governmental authorities and, if applicable, the requirements of any securities exchange or automated quotation system on which the shares of Common Stock are listed or traded, and the shares of Common


  
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 Stock are covered by an effective registration statement or applicable exemption from registration. In addition
to the terms and conditions provided herein, the Board or the Committee may require that a Participant make such reasonable covenants, agreements, and representations as the Board or the Committee, in its discretion, deems advisable in order to
comply with any such laws, regulations, or requirements. 
 (b) All certificates for shares of Common Stock delivered pursuant to the Plan
and all shares of Common Stock issued pursuant to book entry procedures are subject to any stop-transfer orders and other restrictions as the Committee deems necessary or advisable to comply with federal, state, or foreign securities or other laws,
rules and regulations and the rules of any securities exchange or automated quotation system on which the shares of Common Stock are listed, quoted, or traded. The Committee may place legends on any certificate or book entry evidencing shares of
Common Stock to reference restrictions applicable to the shares of Common Stock. 
 (c) The Committee shall have the right to require any
Participant to comply with any timing or other restrictions with respect to the settlement, distribution or exercise of any Option, including a window-period limitation, as may be imposed in the sole discretion of the Committee. 

(d) Notwithstanding any other provision of the Plan, unless otherwise determined by the Committee or required by any applicable law, rule or
regulation, the Company may, in lieu of delivering to any Participant certificates evidencing shares of Common Stock issued in connection with any Option, record the issuance of shares of Common Stock in the books of the Company (or, as applicable,
its transfer agent or stock plan administrator). 
 7.15 Equal Rights and Privileges. Except with respect to sub-plans designed to be
outside the scope of Section 423 of the Code, all Eligible Employees of the Company (or of any Designated Subsidiary) shall have equal rights and privileges under this Plan to the extent required under Section 423 of the Code or the regulations
promulgated thereunder so that this Plan qualifies as an “employee stock purchase plan” within the meaning of Section 423 of the Code or the Treasury Regulations thereunder. Any provision of this Plan that is inconsistent with Section 423
of the Code or the Treasury Regulations thereunder shall, without further act or amendment by the Company or the Board, be reformed to comply with the equal rights and privileges requirement of Section 423 of the Code or the Treasury Regulations
thereunder. 

  
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