Document:

EX-10.23

 Exhibit 10.23 
 LIMELIGHT NETWORKS, INC. 
 2013 EMPLOYEE STOCK PURCHASE PLAN

 (as amended June 17, 2013) 
 1. Purpose. The purpose of the Plan is to provide employees of the Company and its Designated Subsidiaries with an opportunity to purchase Common Stock through accumulated Contributions (as defined
in Section 2(j) below). The Company’s intention is to have the Plan qualify as an “employee stock purchase plan” under Section 423 of the Code. The provisions of the Plan, accordingly, will be construed so as to extend and
limit Plan participation in a uniform and nondiscriminatory basis consistent with the requirements of Section 423 of the Code. 
 2. Definitions. 
 (a) “Administrator” means the Board or
any Committee designated by the Board to administer the Plan pursuant to Section 14. 
 (b) “Applicable
Laws” means the requirements relating to the administration of equity-based awards under U.S. state corporate laws, U.S. federal and state securities laws, the Code, any stock exchange or quotation system on which the Common Stock is listed
or quoted and the applicable laws of any foreign country or jurisdiction where options are, or will be, granted under the Plan. 

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

(d) “Change in Control” means the occurrence of any of the following events: 

(i) Any “person” (as such term is used in Sections 13(d) and 14(d) of the Exchange Act) becomes the “beneficial
owner” (as defined in Rule 13d-3 of the Exchange Act), directly or indirectly, of securities of the Company representing fifty percent (50%) or more of the total voting power represented by the Company’s then outstanding voting
securities; 
 (ii) The consummation of the sale or disposition by the Company of all or substantially all of the
Company’s assets; 
 (iii) A change in the composition of the Board occurring within a two (2)-year period, as a result of
which fewer than a majority of the directors are Incumbent Directors. “Incumbent Directors” means directors who either (A) are Directors as of the effective date of the Plan, or (B) are elected, or nominated for election, to the
Board with the affirmative votes of at least a majority of the Incumbent Directors at the time of such election or nomination (but will not include an individual whose election or nomination is in connection with an actual or threatened proxy
contest relating to the election of directors to the Company); or 

 (iv) The consummation of a merger or consolidation of the Company with any other
corporation, other than a merger or consolidation which would result in the voting securities of the Company outstanding immediately prior thereto continuing to represent (either by remaining outstanding or by being converted into voting securities
of the surviving entity or its parent) at least fifty percent (50%) of the total voting power represented by the voting securities of the Company or such surviving entity or its parent outstanding immediately after such merger or consolidation.

 For the avoidance of doubt, a transaction will not constitute a Change in Control if: (i) its sole purpose is to change
the state of the Company’s incorporation, or (ii) its sole purpose is to create a holding company that will be owned in substantially the same proportions by the persons who held the Company’s securities immediately before such
transaction. 
 (e) “Code” means the U.S. Internal Revenue Code of 1986, as amended. Reference to a specific
section of the Code or U.S. Treasury Regulation thereunder will include such section or regulation, any valid regulation or other official applicable guidance promulgated under such section, and any comparable provision of any future legislation or
regulation amending, supplementing or superseding such section or regulation. 
 (f) “Committee” means a
committee of the Board appointed in accordance with Section 14 hereof. 
 (g) “Common Stock” means the
common stock of the Company. 
 (h) “Company” means Limelight Networks, Inc., a Delaware corporation, or any
successor thereto. 
 (i) “Compensation” means an Eligible Employee’s base straight time gross earnings,
exclusive of payments for commissions, overtime and shift premium, incentive compensation, bonuses and other similar compensation. The Administrator, in its discretion, may, on a uniform and nondiscriminatory basis, establish a different definition
of Compensation for a subsequent Offering Period. 
 (j) “Contributions” means the payroll deductions and other
additional payments that the Company may permit to be made by a Participant to fund the exercise of options granted pursuant to the Plan. 
 (k) “Designated Subsidiary” means any Subsidiary that has been designated by the Administrator from time to time in its sole discretion as eligible to participate in the Plan. 

(l) “Director” means a member of the Board. 
 (m) “Eligible Employee” means any individual who is a common law employee of the Company or a Designated Subsidiary and is customarily employed for at least twenty (20) hours per
week and more than five (5) months in any calendar year by the Employer, or any lesser number of hours per week and/or number of months in any calendar year established by the Administrator (if required under applicable local law) for purposes
of any separate Offering. For purposes of the Plan, the employment 

  
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relationship will be treated as continuing intact while the individual is on sick leave or other leave of absence that the Employer approves or is legally protected under Applicable Laws. Where
the period of leave exceeds three (3) months and the individual’s right to reemployment is not guaranteed either by statute or by contract, the employment relationship will be deemed to have terminated three (3) months and one
(1) day following the commencement of such leave. The Administrator, in its discretion, from time to time may, prior to an Enrollment Date for all options to be granted on such Enrollment Date in an Offering, determine (on a uniform and
nondiscriminatory basis or as otherwise permitted by Treasury Regulation Section 1.423-2) that the definition of Eligible Employee will or will not include an individual if he or she: (i) has not
completed at least two (2) years of service since his or her last hire date (or such lesser period of time as may be determined by the Administrator in its discretion), (ii) customarily works not more than twenty (20) hours per week
(or such lesser period of time as may be determined by the Administrator in its discretion), (iii) customarily works not more than five (5) months per calendar year (or such lesser period of time as may be determined by the Administrator
in its discretion), (iv) is a highly compensated employee within the meaning of Section 414(q) of the Code, or (v) is an officer or subject to the disclosure requirements of Section 16(a) of the Exchange Act, provided the
exclusion is applied with respect to each Offering in an identical manner to all highly compensated individuals of the Employer whose Employees are participating in that Offering. Each exclusion shall be applied with respect to an Offering in a
manner complying with U.S. Treasury Regulation Section 1.423-2(e)(2)(ii). Except as required by Applicable Law, any time-based eligibility requirements will be determined as of the Enrollment Date of the
applicable Offering Period. 
 (n) “Employer” means the employer of the applicable Eligible Employee(s).

 (o) “Enrollment Date” means the first Trading Day of each Offering Period. 

(p) “Exchange Act” means the Securities Exchange Act of 1934, as amended, including the rules and regulations
promulgated thereunder. 
 (q) “Exercise Date” means the last Trading Day of each Offering Period. The first
Exercise Date under the Plan will be December 2, 2013. 
 (r) “Fair Market Value” means, as of any date
and unless the Administrator determines otherwise, the value of Common Stock determined as follows: 
 (i) If the Common Stock
is listed on any established stock exchange or a national market system, including without limitation the NASDAQ Global Select Market, the NASDAQ Global Market or the NASDAQ Capital Market of The NASDAQ Stock Market, its Fair Market Value will be
the closing sales price for such stock as quoted on such exchange or system on the date of determination (or the closing bid, if no sales were reported), as reported in The Wall Street Journal or such other source as the Administrator deems
reliable; 
 (ii) If the Common Stock is regularly quoted by a recognized securities dealer but selling prices are not
reported, its Fair Market Value will be the mean between the high bid and low asked prices for the Common Stock on the date of determination (or if no bids and asks were reported on that date, as applicable, on the last Trading Day such bids and
asks were reported), as reported in The Wall Street Journal or such other source as the Administrator deems reliable; or 

  
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 (iii) In the absence of an established market for the Common Stock, the Fair Market Value
thereof will be determined in good faith by the Administrator. 
 (s) “New Exercise Date” means a new Exercise
Date if the Administrator shortens any Offering Period then in progress. 
 (t) “Offering” means an offer under
the Plan of an option that may be exercised during an Offering Period as further described in Section 4. For purposes of the Plan, the Administrator may designate separate Offerings under the Plan (the terms of which need not be identical) in
which Eligible Employees of one or more Employers will participate, even if the dates of the applicable Offering Periods of each such Offering are identical and the provisions of the Plan will separately apply to each Offering. To the extent
permitted by U.S. Treasury Regulation Section 1.423-2(a)(1), the terms of each Offering need not be identical provided that the terms of the Plan and an Offering together satisfy U.S. Treasury Regulation Section 1.423-2(a)(2) and (a)(3). 
 (u) “Offering Periods” means the
periods of approximately six (6) months during which an option granted pursuant to the Plan may be exercised, (i) commencing on the first Trading Day on or after June 1 and December 1 of each year and terminating on the first
Trading Day on or after December 1 and June 1, approximately six (6) months later; provided, however, that the first Offering Period under the Plan will commence on August 15, 2013, subject to the approval of the Plan by the
stockholders of the Company at the 2013 Annual Meeting of Stockholders, and the first Exercise Date under the Plan will be December 2, 2013, and provided, further, that the second Offering Period under the Plan will commence on December 2,
2013. The duration and timing of Offering Periods may be changed pursuant to Sections 4 and 20. 
 (v)
“Parent” means a “parent corporation,” whether now or hereafter existing, as defined in Section 424(e) of the Code. 
 (w) “Participant” means an Eligible Employee that participates in the Plan. 
 (x) “Plan” means this Limelight Networks, Inc. 2013 Employee Stock Purchase Plan. 
 (y) “Purchase Price” means an amount equal to eighty-five percent (85%) of the Fair Market Value of a share of Common Stock on the Enrollment Date or on the Exercise Date, whichever
is lower; provided however, that the Purchase Price may be determined for subsequent Offering Periods by the Administrator subject to compliance with Section 423 of the Code (or any successor rule or provision or any other applicable law,
regulation or stock exchange rule) or pursuant to Section 20. 
 (z) “Subsidiary” means a “subsidiary
corporation,” whether now or hereafter existing, as defined in Section 424(f) of the Code. 

  
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 (aa) “Trading Day” means a day on which the national stock exchange upon
which the Common Stock is listed is open for trading. 
 (bb) “U.S. Treasury Regulations” means the Treasury
regulations of the Code. Reference to a specific Treasury Regulation or Section of the Code shall include such Treasury Regulation or Section, any valid regulation promulgated under such Section, and any comparable provision of any future
legislation or regulation amending, supplementing or superseding such Section or regulation. 
 3. Eligibility.

 (a) Offering Periods. Any Eligible Employee on a given Enrollment Date will be eligible to participate in the Plan,
subject to the requirements of Section 5. 
 (b) Non-U.S. Employees. Employees who are citizens or residents of a
non-U.S. jurisdiction (without regard to whether they also are citizens or residents of the United States or resident aliens (within the meaning of Section 7701(b)(1)(A) of the Code)) may be excluded from participation in the Plan or an
Offering if the participation of such employees is prohibited under the laws of the applicable jurisdiction or if complying with the laws of the applicable jurisdiction would cause the Plan or an Offering to violate Section 423 of the Code.

 (c) Limitations. Any provisions of the Plan to the contrary notwithstanding, no Eligible Employee will be granted an
option under the Plan (i) to the extent that, immediately after the grant, such Eligible Employee (or any other person whose stock would be attributed to such Eligible Employee pursuant to Section 424(d) of the Code) would own capital
stock of the Company or any Parent or Subsidiary of the Company and/or hold outstanding options to purchase such stock possessing five percent (5%) or more of the total combined voting power or value of all classes of the capital stock of the
Company or of any Parent or Subsidiary of the Company, or (ii) to the extent that his or her rights to purchase stock under all employee stock purchase plans (as defined in Section 423 of the Code) of the Company or any Parent or
Subsidiary of the Company accrues at a rate, which exceeds twenty-five thousand dollars ($25,000) worth of stock (determined at the Fair Market Value of the stock at the time such option is granted) for each calendar year in which such option is
outstanding at any time, as determined in accordance with Section 423 of the Code and the regulations thereunder. 
 4.
Offering Periods. The Plan will be implemented by consecutive Offering Periods with a new Offering Period commencing on the first Trading Day on or after June 1 and December 1 each year; provided, however, that the first Offering
Period under the Plan will commence on August 15, 2013, subject to the approval of the Plan by the stockholders of the Company at the 2013 Annual Meeting of Stockholders, and the first Exercise Date under the Plan will be December 2, 2013,
and provided, further, that the second Offering Period under the Plan will commence on December 2, 2013. The Administrator will have the power to change the duration of Offering Periods (including the commencement dates thereof) with respect to
future Offerings without stockholder approval if such change is announced prior to the scheduled beginning of the first Offering Period to be affected thereafter. 

  
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 5. Participation. An Eligible Employee may participate in the Plan by
(i) submitting to the Company’s stock administration office (or its designee), on or before a date determined by the Administrator prior to an applicable Enrollment Date, a properly completed subscription agreement authorizing
Contributions in the form provided by the Administrator for such purpose, or (ii) following an electronic or other enrollment procedure determined by the Administrator. 
 6. Contributions. 
 (a) At the time a Participant enrolls in the Plan
pursuant to Section 5, he or she will elect to have payroll deductions made on each pay day or other Contributions (to the extent permitted by the Administrator) made during the Offering Period in an amount not exceeding fifteen percent
(15%) of the Compensation, which he or she receives on each pay day during the Offering Period; provided, however, that should a pay day occur on an Exercise Date, a Participant will have any payroll deductions made on such day applied to his
or her account under the subsequent Offering Period. The Administrator, in its sole discretion, may permit all Participants in a specified Offering to contribute amounts to the Plan through payment by cash, check or other means set forth in the
subscription agreement prior to each Exercise Date of each Offering Period. A Participant’s subscription agreement will remain in effect for successive Offering Periods unless terminated as provided in Section 10 hereof. 

(b) Payroll deductions for a Participant will commence on the first pay day following the Enrollment Date and will end on the last pay
day prior to the Exercise Date of such Offering Period to which such authorization is applicable, unless sooner terminated by the Participant as provided in Section 10 hereof; provided, however, that for the first Offering Period, payroll
deductions will commence on the first pay day on or following a date determined by the Administrator. 
 (c) All Contributions
made for a Participant will be credited to his or her account under the Plan and payroll deductions will be made in whole percentages only. A Participant may not make any additional payments into such account. 

(d) A Participant may discontinue his or her participation in the Plan as provided in Section 10. If permitted by the Administrator,
as determined in its sole discretion, for an Offering Period, a Participant may increase or decrease the rate of his or her Contributions during the Offering Period by (i) properly completing and submitting to the Company’s stock
administration office (or its designee), on or before a date determined by the Administrator prior to an applicable Exercise Date, a new subscription agreement authorizing the change in Contribution rate in the form provided by the Administrator for
such purpose, or (ii) following an electronic or other procedure prescribed by the Administrator. If a Participant has not followed such procedures to change the rate of Contributions, the rate of his or her Contributions will continue at the
originally elected rate throughout the Offering Period and future Offering Periods (unless terminated as provided in Section 10). The Administrator may, in its sole discretion, limit the nature and/or number of Contribution rate changes that
may be made by Participants during any Offering Period, and may establish such other conditions or limitations as it deems appropriate for Plan administration. Any change in payroll deduction rate made pursuant to this Section 6(d) will be
effective as of the first full payroll period following five (5) business days after the date on which the change is made by the Participant (unless the Administrator, in its sole discretion, elects to process a given change in payroll
deduction rate more quickly). 

  
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 (e) Notwithstanding the foregoing, to the extent necessary to comply with
Section 423(b)(8) of the Code and Section 3(c), a Participant’s Contributions may be decreased to zero percent (0%) at any time during an Offering Period. Subject to Section 423(b)(8) of the Code and Section 3(c) hereof,
Contributions will recommence at the rate originally elected by the Participant effective as of the beginning of the first Offering Period scheduled to end in the following calendar year, unless terminated by the Participant as provided in
Section 10. 
 (f) Notwithstanding any provisions to the contrary in the Plan, the Administrator may allow Eligible
Employees to participate in the Plan via cash contributions instead of payroll deductions if (i) payroll deductions are not permitted under applicable local law, and (ii) the Administrator determines that cash contributions are permissible
under Section 423 of the Code. 
 (g) At the time the option is exercised, in whole or in part, or at the time some or all
of the Common Stock issued under the Plan is disposed of (or any other time that a taxable event related to the Plan occurs), the Participant must make adequate provision for the Company’s or Employer’s federal, state, local or any other
tax liability payable to any authority including taxes imposed by jurisdictions outside of the U.S., national insurance, social security or other tax withholding obligations, if any, which arise upon the exercise of the option or the disposition of
the Common Stock (or any other time that a taxable event related to the Plan occurs). At any time, the Company or the Employer may, but will not be obligated to, withhold from the Participant’s compensation the amount necessary for the Company
or the Employer to meet applicable withholding obligations, including any withholding required to make available to the Company or the Employer any tax deductions or benefits attributable to sale or early disposition of Common Stock by the Eligible
Employee. In addition, the Company or the Employer may, but will not be obligated to, withhold from the proceeds of the sale of Common Stock or any other method of withholding the Company or the Employer deems appropriate to the extent permitted by
U.S. Treasury Regulation Section 1.423-2(f). 
 7. Grant of Option. On the
Enrollment Date of each Offering Period, each Eligible Employee participating in such Offering Period will be granted an option to purchase on each Exercise Date during such Offering Period (at the applicable Purchase Price) up to a number of shares
of Common Stock determined by dividing such Eligible Employee’s Contributions accumulated prior to such Exercise Date and retained in the Eligible Employee’s account as of the Exercise Date by the applicable Purchase Price; provided that
in no event will an Eligible Employee be permitted to purchase during each Offering Period more than 3,750 shares of the Company’s Common Stock (subject to any adjustment pursuant to Section 19) and provided further that such purchase will
be subject to the limitations set forth in Sections 3(c) and 13. The Eligible Employee may accept the grant of such option by electing to participate in the Plan in accordance with the requirements of Section 5. The Administrator may, for
future Offering Periods, increase or decrease, in its absolute discretion, the maximum number of shares of Common Stock that an Eligible Employee may purchase during each Offering Period. Exercise of the option will occur as provided in
Section 8, unless the Participant has withdrawn pursuant to Section 10. The option will expire on the last day of the Offering Period. 

  
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 8. Exercise of Option. 

(a) Unless a Participant withdraws from the Plan as provided in Section 10, his or her option for the purchase of shares of Common
Stock will be exercised automatically on the Exercise Date, and the maximum number of full shares subject to the option will be purchased for such Participant at the applicable Purchase Price with the accumulated Contributions from his or her
account. No fractional shares of Common Stock will be purchased; any Contributions accumulated in a Participant’s account, which are not sufficient to purchase a full share will be retained in the Participant’s account for the subsequent
Offering Period, subject to earlier withdrawal by the Participant as provided in Section 10. Any other funds left over in a Participant’s account after the Exercise Date will be returned to the Participant. During a Participant’s
lifetime, a Participant’s option to purchase shares hereunder is exercisable only by him or her. 
 (b) 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 (i) the number of shares of Common Stock that were available for sale under the Plan on
the Enrollment Date of the applicable Offering Period, or (ii) the number of shares of Common Stock available for sale under the Plan on such Exercise Date, the Administrator may in its sole discretion (x) provide that the Company will
make a pro rata allocation of the shares of Common Stock available for purchase on such Enrollment Date or Exercise Date, as applicable, in as uniform a manner as will be practicable and as it will determine in its sole discretion to be equitable
among all Participants exercising options to purchase Common Stock on such Exercise Date, and continue all Offering Periods then in effect or (y) provide that the Company will make a pro rata allocation of the shares available for purchase on
such Enrollment Date or Exercise Date, as applicable, in as uniform a manner as will be practicable and as it will determine in its sole discretion to be equitable among all participants exercising options to purchase Common Stock on such Exercise
Date, and terminate any or all Offering Periods then in effect pursuant to Section 20. The Company may make a 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. 
 9. Delivery. As soon as reasonably practicable after each Exercise Date on which a purchase of shares of Common Stock occurs, the Company will arrange the delivery to each Participant of the shares
purchased upon exercise of his or her option in a form determined by the Administrator (in its sole discretion) and pursuant to rules established by the Administrator. The Company may permit or require that shares be deposited directly with a broker
designated by the Company or to a designated agent of the Company, and the Company may utilize electronic or automated methods of share transfer. The Company may require that shares be retained with such broker or agent for a designated period of
time and/or may establish other procedures to permit tracking of disqualifying dispositions of such shares. No Participant will have any voting, dividend, or other stockholder rights with respect to shares of Common Stock subject to any option
granted under the Plan until such shares have been purchased and delivered to the Participant as provided in this Section 9. 

  
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 10. Withdrawal. 

(a) A Participant may withdraw all but not less than all the Contributions credited to his or her account and not yet used to exercise
his or her option under the Plan at any time by (i) submitting to the Company’s stock administration office (or its designee) a written notice of withdrawal in the form determined by the Administrator for such purpose, or
(ii) following an electronic or other withdrawal procedure determined by the Administrator. All of the Participant’s Contributions credited to his or her account will be paid to such Participant promptly after receipt of notice of
withdrawal and such Participant’s option for the Offering Period will be automatically terminated, and no further Contributions for the purchase of shares will be made for such Offering Period. If a Participant withdraws from an Offering
Period, Contributions will not resume at the beginning of the succeeding Offering Period, unless the Participant re-enrolls in the Plan in accordance with the provisions of Section 5. 

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

11. Termination of Employment. Upon a Participant’s ceasing to be an Eligible Employee, for any reason, he or she will be
deemed to have elected to withdraw from the Plan and the Contributions credited to such Participant’s account during the Offering Period but not yet used to purchase shares of Common Stock under the Plan will be returned to such Participant or,
in the case of his or her death, to the person or persons entitled thereto under Section 15, and such Participant’s option will be automatically terminated. 
 12. Interest. No interest will accrue on the Contributions of a participant in the Plan, except as may be required by applicable law, as determined by the Company, and if so required by the laws of
a particular jurisdiction, shall apply to all Participants in the relevant Offering except to the extent otherwise permitted by U.S. Treasury Regulation Section 1.423-2(f). 

13. Stock. 
 (a) Subject to adjustment upon changes in capitalization of the Company as provided in Section 19 hereof, the maximum number of shares of Common Stock that will be made available for sale under the
Plan will be 4,000,000 shares of Common Stock. 
 (b) Until the shares are issued (as evidenced by the appropriate entry on the
books of the Company or of a duly authorized transfer agent of the Company), a Participant will only have the rights of an unsecured creditor with respect to such shares, and no right to vote or receive dividends or any other rights as a stockholder
will exist with respect to such shares. 
 (c) Shares of Common Stock to be delivered to a Participant under the Plan will be
registered in the name of the Participant or in the name of the Participant and his or her spouse. 

  
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 14. Administration. The Plan will be administered by the Board or a Committee
appointed by the Board, which Committee will be constituted to comply with Applicable Laws. The Administrator will have full and exclusive discretionary authority to construe, interpret and apply the terms of the Plan, to designate separate
Offerings under the Plan, to determine eligibility, to adjudicate all disputed claims filed under the Plan and to establish such procedures that it deems necessary for the administration of the Plan (including, without limitation, to adopt such
procedures and sub-plans as are necessary or appropriate to permit the participation in the Plan by employees who are foreign nationals or employed outside the U.S., the terms of which sub-plans may take precedence over other provisions of this
Plan, with the exception of Section 13(a) 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). Unless otherwise determined by the Administrator, the
Eligible Employees eligible to participate in each sub-plan will participate in a separate Offering. Without limiting the generality of the foregoing, the Administrator is specifically authorized to adopt rules and procedures regarding eligibility
to participate, the definition of Compensation, handling of Contributions, making of Contributions to the Plan (including, without limitation, in forms other than payroll deductions), establishment of bank or trust accounts to hold Contributions,
payment of interest, conversion of local currency, obligations to pay payroll tax, determination of beneficiary designation requirements, withholding procedures and handling of stock certificates that vary with applicable local requirements. The
Administrator also is authorized to determine that, to the extent permitted by U.S. Treasury Regulation Section 1.423-2(f), the terms of an option granted under the Plan or an Offering to citizens or
residents of a non-U.S. jurisdiction will be less favorable than the terms of options granted under the Plan or the same Offering to employees resident solely in the U.S. Every finding, decision and determination made by the Administrator will, to
the full extent permitted by law, be final and binding upon all parties. 
 15. Designation of Beneficiary. 

(a) If permitted by the Administrator, a Participant may file a designation of a beneficiary who is to receive any shares of Common Stock
and cash, if any, from the Participant’s account under the Plan in the event of such Participant’s death subsequent to an Exercise Date on which the option is exercised but prior to delivery to such Participant of such shares and cash. In
addition, if permitted by the Administrator, a Participant may file a 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
option. If a Participant is married and the designated beneficiary is not the spouse, spousal consent will be required for such designation to be effective. 
 (b) Such designation of beneficiary may be changed by the Participant at any time by notice in a form determined by the Administrator. 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 will 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. 
 (c) All beneficiary designations
will be in such form and manner as the Administrator may designate from time to time. Notwithstanding Sections 15(a) and (b) above, the Company and/or the Administrator may decide not to permit such designations by Participants in non-U.S.
jurisdictions to the extent permitted by U.S. Treasury Regulation Section 1.423-2(f). 

  
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 16. Transferability. Neither Contributions credited to a Participant’s account
nor any rights with regard to the exercise of an option or to receive shares of Common Stock under the Plan may be assigned, transferred, pledged or otherwise disposed of in any way (other than by will, the laws of descent and distribution or as
provided in Section 15 hereof) by the Participant. Any such attempt at assignment, transfer, pledge or other disposition will be without effect, except that the Company may treat such act as an election to withdraw funds from an Offering Period
in accordance with Section 10 hereof. 
 17. Use of Funds. The Company may use all Contributions received or held by
it under the Plan for any corporate purpose, and the Company will not be obligated to segregate such Contributions except under Offerings in which applicable local law requires that Contributions to the Plan by Participants be segregated from the
Company’s general corporate funds and/or deposited with an independent third party for Participants in non-U.S. jurisdictions. Until shares of Common Stock are issued, Participants will only have the rights of an unsecured creditor with respect
to such shares. 
 18. Reports. Individual accounts will be maintained for each Participant in the Plan. Statements of
account will be given to participating Eligible Employees at least annually, which statements will set forth the amounts of Contributions, the Purchase Price, the number of shares of Common Stock purchased and the remaining cash balance, if any.

 19. Adjustments, Dissolution, Liquidation, Merger or Change in Control. 

(a) Adjustments. In the event that any dividend or other distribution (whether in the form of cash, Common Stock, other
securities, or other property), recapitalization, stock split, reverse stock split, reorganization, merger, consolidation, split-up, spin-off, combination, repurchase, or exchange of Common Stock or other securities of the Company, or other change
in the corporate structure of the Company affecting the Common Stock occurs, the Administrator, in order to prevent dilution or enlargement of the benefits or potential benefits intended to be made available under the Plan, will, in such manner as
it may deem equitable, adjust the number and class of Common Stock that may be delivered under the Plan, the Purchase Price per share and the number of shares of Common Stock covered by each option under the Plan that has not yet been exercised, and
the numerical limits of Sections 7 and 13. 
 (b) Dissolution or Liquidation. In the event of the proposed dissolution or
liquidation of the Company, any Offering Period then in progress will be shortened by setting a New Exercise Date, and will terminate immediately prior to the consummation of such proposed dissolution or liquidation, unless provided otherwise by the
Administrator. The New Exercise Date will be before the date of the Company’s proposed dissolution or liquidation. The Administrator will notify each Participant in writing or electronically, 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 will 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 10 hereof. 

  
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 (c) Merger or Change in Control. In the event of a merger or Change in Control, each
outstanding option will 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,
the Offering Period with respect to which such option relates will be shortened by setting a New Exercise Date on which such Offering Period shall end. The New Exercise Date will occur before the date of the Company’s proposed merger or Change
in Control. The Administrator will notify each Participant in writing or electronically 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 will 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 10 hereof. 

20. Amendment or Termination. 
 (a) The Administrator, in its sole discretion, may amend, suspend, or terminate the Plan, or any part thereof, at any time and for any reason. If the Plan is terminated, the Administrator, in its
discretion, may elect to terminate all outstanding Offering Periods either immediately or upon completion of the purchase of shares of Common Stock on the next Exercise Date (which may be sooner than originally scheduled, if determined by the
Administrator in its discretion), or may elect to permit Offering Periods to expire in accordance with their terms (and subject to any adjustment pursuant to Section 19). If the Offering Periods are terminated prior to expiration, all amounts
then credited to Participants’ accounts that have not been used to purchase shares of Common Stock will be returned to the Participants (without interest thereon, except as otherwise required under local laws, as further set forth in
Section 12 hereof) as soon as administratively practicable. 
 (b) Without stockholder consent and without limiting
Section 20(a), the Administrator will be entitled to change the Offering Periods, designate separate Offerings, limit the frequency and/or number of changes in the amount withheld 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 properly completed
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 Contribution
amounts, and establish such other limitations or procedures as the Administrator determines in its sole discretion advisable that are consistent with the Plan. 
 (c) 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, amend or terminate the Plan to reduce or eliminate such accounting consequence including, but not limited to: 
 (i) amending the Plan to conform with the safe harbor definition under the Financial Accounting Standards Board Accounting Standards Codification Topic 718 (or any successor thereto), including with
respect to an Offering Period underway at the time; 

  
 12 

 (ii) altering the Purchase Price for any Offering Period including an Offering Period
underway at the time of the change in Purchase Price; 
 (iii) shortening any Offering Period by setting a New Exercise Date,
including an Offering Period underway at the time of the Administrator action; 
 (iv) reducing the maximum percentage of
Compensation a Participant may elect to set aside as Contributions; and 
 (v) reducing the maximum number of Shares a
Participant may purchase during any Offering Period. 
 Such modifications or amendments will not require stockholder approval or the consent of
any Plan Participants. 
 21. Notices. All notices or other communications by a Participant to the Company under or in
connection with the Plan will be deemed to have been duly given when received in the form and manner specified by the Company at the location, or by the person, designated by the Company for the receipt thereof. 

22. Conditions Upon Issuance of Shares. Shares of Common Stock will not be issued with respect to an option unless the exercise of
such option and the issuance and delivery of such shares pursuant thereto will comply with all applicable provisions of law, domestic or foreign, including, without limitation, the Securities Act of 1933, as amended, the Exchange Act, the rules and
regulations promulgated thereunder, and the requirements of any stock exchange upon which the shares may then be listed, and will be further subject to the approval of counsel for the Company with respect to such compliance. 

As a condition to the exercise of an option, the Company may require the person exercising such option to represent and warrant at the
time of any such exercise that the shares are being purchased only for investment and without any present intention to sell or distribute such shares if, in the opinion of counsel for the Company, such a representation is required by any of the
aforementioned applicable provisions of law. 
 23. Code Section 409A. The Plan is exempt from the application of
Code Section 409A and any ambiguities herein will be interpreted to so be exempt from Code Section 409A. In furtherance of the foregoing and notwithstanding any provision in the Plan to the contrary, if the Administrator determines that an
option granted under the Plan may be subject to Code Section 409A or that any provision in the Plan would cause an option under the Plan to be subject to Code Section 409A, the Administrator may amend the terms of the Plan and/or of an
outstanding option granted under the Plan, or take such other action the Administrator determines is necessary or appropriate, in each case, without the Participant’s consent, to exempt any outstanding option or future option that may be
granted under the Plan from or to allow any such options to comply with Code Section 409A, but only to the extent any such amendments or action by the Administrator would not violate Code Section 409A. Notwithstanding the foregoing, the
Company shall have no liability to a Participant or any other party if the option to purchase Common Stock under the Plan that is intended to be exempt from or compliant with Code Section 409A is not so exempt or compliant or for any action
taken by the Administrator with respect thereto. The Company makes no representation that the option to purchase Common Stock under the Plan is compliant with Code Section 409A. 

  
 13 

 24. Term of Plan. The Plan will become effective upon the earlier to occur of its
adoption by the Board or its approval by the stockholders of the Company. It will continue in effect until terminated under Section 20. 
 25. Stockholder Approval. The Plan will be subject to approval by the stockholders of the Company within twelve (12) months after the date the Plan is adopted by the Board. Such stockholder
approval will be obtained in the manner and to the degree required under Applicable Laws. 
 26. Governing Law. The Plan
shall be governed by, and construed in accordance with, the laws of the State of Arizona (except its choice-of-law provisions). 

27. Severability. If any provision of the Plan is or becomes or is deemed to be invalid, illegal, or unenforceable for any reason
in any jurisdiction or as to any Participant, such invalidity, illegality or unenforceability shall not affect the remaining parts of the Plan, and the Plan shall be construed and enforced as to such jurisdiction or Participant as if the invalid,
illegal or unenforceable provision had not been included. 

  
 14 

 EXHIBIT A-1 

LIMELIGHT NETWORKS, INC. 
 2013 EMPLOYEE STOCK PURCHASE PLAN 
 SUBSCRIPTION AGREEMENT

  

			
	_____ Original Application	  	Offering Period Date: _________________________
	  
 _____ Change in Payroll Deduction Rate
	  	

 1. ____________________ hereby elects to participate in the Limelight Networks, Inc. 2013 Employee Stock
Purchase Plan (the “Plan”) and subscribes to purchase shares of the Company’s Common Stock in accordance with this Subscription Agreement and the Plan. 
 2. I hereby authorize payroll deductions from each paycheck in the amount of ____% of my Compensation on each payday (from 0 to 15%) during the Offering Period in accordance with the Plan. (Please note
that no fractional percentages are permitted.) 
 3. I understand that said payroll deductions will be accumulated for the
purchase of shares of Common Stock at the applicable Purchase Price determined in accordance with the Plan. I understand that if I do not withdraw from an Offering Period, any accumulated payroll deductions will be used to automatically exercise my
option and purchase Common Stock under the Plan. 
 4. I have received a copy of the complete Plan and its accompanying
prospectus. I understand that my participation in the Plan is in all respects subject to the terms of the Plan. 
 5. Shares of
Common Stock purchased for me under the Plan should be issued in the name(s) of _____________ (Eligible Employee or Eligible Employee and Spouse only). 
 6. I understand that if I dispose of any shares received by me pursuant to the Plan within two (2) years after the offering date (the first day of the Offering Period during which I purchased such
shares) or one (1) year after the Exercise Date, I will be treated for federal income tax purposes as having received ordinary income at the time of such disposition in an amount equal to the excess of the fair market value of the shares at the
time such shares were purchased by me over the price that I paid for the shares. I hereby agree to notify the Company in writing within thirty (30) days after the date of any disposition of my shares and I will make adequate provision for
Federal, state or other tax withholding obligations, if any, which arise upon the disposition of the Common Stock. The Company may, but will not be obligated to, withhold from my compensation the amount necessary to meet any applicable
withholding obligation including any withholding necessary to make available to the Company any tax deductions or benefits attributable to sale or early disposition of Common Stock by me. If I dispose of such shares at any time after the expiration
of the two (2)-year and one (1)-year holding periods, I understand that I will be treated for federal income tax purposes as having received income only at the time of such disposition, and that such income will be taxed as ordinary income
only to the extent of an amount equal to the lesser of (a) the excess 

  
 15 

 
of the fair market value of the shares at the time of such disposition over the purchase price which I paid for the shares, or (b) 15% of the fair market value of the shares on the first day
of the Offering Period. The remainder of the gain, if any, recognized on such disposition will be taxed as capital gain. 
 7. I
hereby agree to be bound by the terms of the Plan. The effectiveness of this Subscription Agreement is dependent upon my eligibility to participate in the Plan. 
  

					
	Employee’s Social	  		  	
			
	Security Number:	  	 	  	
			
	Employee’s Address:	  	 	  	
			
		  	 	  	
			
		  	 	  	

 I UNDERSTAND THAT THIS SUBSCRIPTION AGREEMENT WILL REMAIN IN EFFECT THROUGHOUT SUCCESSIVE OFFERING PERIODS UNLESS
TERMINATED BY ME. 
  

							
	Dated:	  		  		  	
		  	  
	  		  	  

		  		  		  	Signature of Employee

  
 16 

 EXHIBIT A-2 

LIMELIGHT NETWORKS, INC. 
 2013 EMPLOYEE STOCK PURCHASE PLAN 
 SUBSCRIPTION AGREEMENT 

 
  

			
	_____ Original Application	  	Offering Period Date: _________________________
	  
 _____ Change in Payroll Deduction Rate
	  	

 1. I hereby elect to participate in the Limelight Networks, Inc. 2013 Employee Stock Purchase Plan (the
“Plan”) and subscribe to purchase shares of the Company’s Common Stock in accordance with this Subscription Agreement and the Plan. 
 2. I hereby authorize payroll deductions from each paycheck in the amount of 0 to 15% of my Compensation on each payday during the Offering Period in accordance with the Plan. (Please note that the exact
percentage of payroll deduction, between 0-15% of Compensation, is to be authorized during this enrollment process. Please further note that no fractional percentages are permitted.) 

3. I understand that said payroll deductions will be accumulated for the purchase of shares of Common Stock at the applicable Purchase
Price determined in accordance with the Plan. I understand that if I do not withdraw from an Offering Period, any accumulated payroll deductions will be used to automatically exercise my option and purchase Common Stock under the Plan. 

4. I have received a copy of the complete Plan and its accompanying prospectus. I understand that my participation in the Plan is in all
respects subject to the terms of the Plan. 
 5. Shares of Common Stock purchased for me under the Plan will be issued in my
name. 
 6. The Company shall assess tax and social insurance liability and requirements in connection with my participation in
the Plan, including, without limitation, tax liability associated with the subscription, purchase, or sale of shares acquired under the Plan (the “Tax Liability”). These requirements may change from time to time as laws or interpretations
change. Regardless of the Company’s actions in this regard, I hereby acknowledge and agree that the Tax Liability shall be my responsibility and liability. 
 7. I agree as a condition of my participation in the Plan to make arrangements satisfactory to the Company to enable it to satisfy all withholding, payment and/or collection requirements associated with
the satisfaction of the Tax Liability, including authorizing the Company to: (i) withhold all applicable amounts from my wages or other cash compensation due to me, in accordance with any tax or other requirements under the laws, rules, and
regulations of the country of which I am a resident (“Local Law”), and (ii) act as my agent to sell sufficient shares for the proceeds to settle such requirements. Furthermore, I agree to pay the Company any amount the Company may be
required to withhold, collect or pay as a result of my participation in the Plan or that cannot be satisfied by deduction from the my wages or other cash compensation paid to me by the Company or sale of the shares acquired under the Plan. I
acknowledge that I may not participate in the Plan unless the tax withholding, payment and/or collection obligations of the Company are satisfied. 

  
 17 

 8. I understand that the Company may hold certain personal information about me,
including but not limited to my name, home address and telephone number, date of birth, social security number or other identification number, salary, nationality, job title, any shares or directorships held in the Company, details of all rights to
purchase or any other entitlement to shares awarded, canceled, purchased or outstanding in my favor, for the purpose of implementing, administering or managing the Plan (the “Data”). I further understand that Data may be transferred to any
third parties, including, but not limited to, the Company’s third party service provider assisting the Company in the administration of the Plan. I understand that these recipients may be located within or outside my country of residence, or
elsewhere, and that the recipient’s country may have different data privacy laws and protections than my country of residence. I authorize the Company or the recipients to receive, possess, use, retain and transfer the Data, in electronic or
other form, for the purposes of implementing, administering or managing my participation in the Plan, including any requisite transfer of the Data as may be required for the administration of the Plan and/or the subsequent holding of shares on my
behalf to a broker or other third party with whom I may elect to deposit any shares acquired pursuant to the Plan. I understand that the Data will be held only as long as necessary to implement, administer or manage my participation in the Plan. I
understand that I may, at any time, review the Data, require any necessary amendments to Data or withdraw the consents herein in writing by contacting the Company. I understand that withdrawing my consent may affect my ability to participate in the
Plan. 
 9. By signing this Subscription Agreement and participating in the Plan, I agree and acknowledge that:
(a) the Plan is discretionary in nature and the Company can amend, cancel, or terminate the Plan at any time; (b) participation in the Plan is voluntary and occasional, and does not create any contractual or other future rights to purchase
shares, or benefits in lieu of such rights; (c) my right to purchase shares under the Plan ceases upon my termination of employment for any reason except as may otherwise be explicitly provided in this Subscription Agreement and the Plan;
(d) my right to participate in the Plan and to purchase shares under the Plan, if any, will cease as of the date that I am no longer actively performing services following the provision of a notification of termination or resignation from
employment or services, regardless of any reasonable notice period mandated under local law, without reference to any other agreement, written or oral, express or implied, including my contract of employment; (e) my participation in the Plan is
voluntary; (e) my right to purchase shares under the Plan is an extraordinary item of compensation, which is outside the scope of my employment agreement, if any; (f) my right to purchase shares under the Plan is not part of normal or
expected compensation or salary for any purpose, including, but not limited to, calculating any termination, severance, resignation, redundancy, end of service payments, bonuses, long-service awards, pension or retirement benefits, or similar
payments; (g) the future value of the shares purchased under the Plan is unknown and cannot be predicted with certainty, and the Company makes no express or implied promise about the financial gain or loss to be achieved through participation
in the Plan; (h) the right to participate in the Plan has been granted to me in my status as an employee of my employer and can in no event be understood or interpreted to mean that an entity other

  
 18 

 
than my employer has an employment relationship with me; (i) no claim or entitlement to compensation or damages arises from the diminution in value of the right to purchase shares under the
Plan, or shares purchased under the Plan, and if I did acquire any such rights, I am deemed to have irrevocably released the Company and/or my employer subsidiary from any such claim or entitlement that may arise by participating in the Plan; and
(j) neither the Plan nor this Subscription Agreement shall obligate my employer to employ me for any particular length of time nor confer any right with respect to continuing my status as an employee. 

10. I understand that the exercise of a purchase right to receive shares under the Plan and the issuance, transfer, assignment, sale, or
other dealings of such shares shall be subject to compliance by the Company and me with all applicable requirements of Local Law. Furthermore, I agree that I will not acquire shares of Common Stock pursuant to the Plan except in compliance with all
requirements of Local Law. 
 11. I agree and acknowledge that I shall bear any and all risk associated with the exchange or
fluctuation of currency in connection with my participation in the Plan, including without limitation the purchase of shares or the sale of shares (the “Currency Exchange Risk”). I waive and release the Company and its subsidiaries from
any potential claims arising out of the Currency Exchange Risk. 
 12. I agree and acknowledge that the I shall comply with any
and all exchange control requirements applicable to my participation in the Plan and the sale of shares and any resulting funds including, without limitation, reporting or repatriation requirements. 

13. I agree that the Company and its subsidiaries are not responsible for my compliance with legal requirements relating to my
participation in the Plan and my subsequent ownership and possible sale of the shares, including, but not limited to, tax reporting, the exchange of local currency into or from U.S. dollars, the transfer of funds to the U.S., and the opening and
using of a U.S. brokerage account. 
 14. I agree that if at any time the Company will determine, in its discretion, that the
listing, registration or qualification of the shares upon any securities exchange or under any state or federal law, or the consent or approval of any governmental regulatory authority is necessary or desirable as a condition to the issuance of
shares to me (or my estate), such issuance will not occur unless and until such listing, registration, qualification, consent or approval will have been effected or obtained free of any conditions not acceptable to the Company. 

15. I agree that if this Subscription Agreement or any other document related to the operation of the Plan is translated into a language
other than English, and if the translated version is different from the English language version, the English language version will take precedence. 
 16. I agree that the Company may, in its sole discretion, decide to deliver any documents related to my participation in the Plan by electronic means or request my consent to participate in the Plan by
electronic means. I hereby consent to receive such documents by electronic delivery and agree to participate in the Plan through any on-line or electronic system established and maintained by the Company or another third party designated by the
Company. 

  
 19 

 17. I hereby agree to be bound by the terms of the Plan. The effectiveness of this
Subscription Agreement is dependent upon my eligibility to participate in the Plan. 
 I UNDERSTAND THAT THIS SUBSCRIPTION AGREEMENT WILL REMAIN
IN EFFECT THROUGHOUT SUCCESSIVE OFFERING PERIODS UNLESS TERMINATED BY ME. 
  

							
	Dated:	  		  		  	
		  	  
	  		  	  

		  		  		  	Signature of Employee

  
 20 

 EXHIBIT B 

LIMELIGHT NETWORKS, INC. 
 2013 EMPLOYEE STOCK PURCHASE PLAN 
 NOTICE OF WITHDRAWAL

 The undersigned participant in the Offering Period of the Limelight Networks, Inc. 2013 Employee Stock Purchase Plan that began on
____________, ______ hereby notifies the Company that he or she hereby withdraws from the Offering Period. He or she hereby directs the Company to pay to the undersigned as promptly as practicable all the payroll deductions credited to his or her
account with respect to such Offering Period. The undersigned understands and agrees that his or her option for such Offering Period will be automatically terminated. The undersigned understands further that no further payroll deductions will be
made for the purchase of shares in the current Offering Period and the undersigned will be eligible to participate in succeeding Offering Periods only by delivering to the Company a new Subscription Agreement. 

 

					
		  	Name and Address of Participant:
			
		  		 	
		  	  

			
		  		 	
		  	  

			
		  		 	
		  	  

		
		  	Signature:
			
		  		 	
		  	  

			
		  	Date:	 	
		  		 	  

  
 21EX-10.24

 Exhibit 10.24 
 LIMELIGHT NETWORKS, INC. 
 PETER PERRONE EMPLOYMENT AGREEMENT

 This Employment Agreement (the “Agreement”) is entered into as of July 23, 2013 (the “Signing
Date”), by and between Limelight Networks, Inc. (the “Company”) and Peter J. Perrone (“Executive”). 

1. Duties and Scope of Employment. 
 (a) Positions and Duties. On or before August 19, 2013 Executive will commence service as the Company’s Senior Vice President, and on or before [November 10, 2013] Executive will also
commence service as the Company’s Chief Financial Officer and Treasurer. The date upon which Executive actually commences full time employment as Senior Vice President will be the “Effective Date”. Executive will report to the
Company’s Chief Executive Officer (the “CEO”). As of the Effective Date, Executive will render such business and professional services in the performance of his duties, consistent with Executive’s position within the Company, as
will reasonably be assigned to him by the CEO or the Company’s Board of Directors (the “Board”). The period Executive is employed by the Company under this Agreement is referred to herein as the “Employment Term.” Executive
will be based in San Francisco, California but will spend such time in the Company’s Tempe, Arizona office and will travel on Company business to such other locations and for such periods, as may be necessary or appropriate to carry out his
responsibilities or as may be directed by the CEO. 
 (b) Obligations. During the Employment Term, Executive, except as
provided in this Agreement, will devote Executive’s full business efforts and time to the Company and will use good faith efforts to discharge Executive’s obligations under this Agreement to the best of Executive’s ability and in
accordance with each of the Company’s written corporate guidance and ethics guidelines, conflict of interests policies, code of conduct and other policies and procedures as the Company may adopt from time to time. For the duration of the
Employment Term, Executive agrees not to actively engage in any other employment, occupation, or consulting activity for any direct or indirect remuneration without the prior approval of the CEO (which approval will not be unreasonably withheld);
provided, however, that Executive may, without the approval of the CEO, serve in any capacity with any civic, educational, professional, industry or charitable organization, provided such services do not interfere with Executive’s performance
of his obligations to Company and are otherwise consistent with the Company’s policies.. Subject to prior approval of the CEO and in appropriate cases (as determined by the Company) approval of the Audit Committee of the Company’s board
(which approval will not be unreasonably withheld) Executive may also serve on the board(s) of for-profit business associations provided such participation does not interfere with Executive’s performance of his obligations to the Company, are
disclosed in writing to the Company, are consistent with the terms of Executive’s employment with the Company (including without limitation the restrictive covenants in the Confidential Information Agreement, as defined in Section 12
below) and are consistent with the Company’s policies (including without limitation the Company’s Code of Business Conduct). Notwithstanding the foregoing, the Company acknowledges that Executive currently serves on the board of directors
for the following entities:
[                                        
]. Executive represents that his service on those boards does not violate this Section 1(b). 

  
 1 

 (c) No Conflicts. Executive hereby represents, warrants and covenants to the Company
that as of the Effective Time, Executive will not be a party to any contract, understanding, agreement or policy, written or otherwise, that will be breached by Executive’s entering into, or performing services under, this Agreement. Executive
further represents that he has disclosed to the Company in writing all threatened, pending, or actual claims that are unresolved and still outstanding as of the Signing Date, in each case, against Executive of which he is aware, if any, as a result
of his employment with any previous employer or his membership on any boards of directors. 
 (d) Other Entities.
Executive agrees to serve if appointed, without additional compensation, as an officer and director for each of the Company’s subsidiaries, partnerships, joint ventures, limited liability companies and other affiliates, including entities in
which the Company has a significant investment as determined by the Company. As used in this Agreement, the term “affiliates” will mean any entity controlled by, controlling, or under common control of the Company. 

(e) Board Membership. Concurrently with the effectiveness of this Agreement, Executive will tender his resignation from the Board.

 2. At-Will Employment. Executive and the Company agree that Executive’s employment with the Company constitutes
“at-will” employment. Executive and the Company acknowledge that this employment relationship may be terminated at any time, upon written notice (in accordance with Section 14, below) to the other party, with or without good cause or
for any or no cause, at the option either of the Company or Executive. However, as described in this Agreement, Executive may be entitled to severance benefits depending upon the circumstances of Executive’s termination of employment.

 3. Compensation. 
 (a) Base Salary. Commencing with the Effective Date, the Company will pay Executive an annual salary of $325,000 as compensation for his services (such annual salary, as is then effective, to be
referred to herein as “Base Salary”). Executive’s Base Salary will be subject to annual review. The Base Salary will be paid periodically in accordance with the Company’s normal payroll practices and will be subject to the usual,
required withholdings. 
 (b) Annual Incentive. Executive will be eligible to receive annual cash incentives payable for
the achievement of performance goals established by the Board or by the Compensation Committee of the Board (the “Committee”). During calendar year 2013, Executive’s target annual incentive (“Target Annual Incentive”) will
be $200,000. The Target Annual Incentive for 2013 shall be prorated for the portion of calendar year 2013 during which Executive is an employee of the Company. The actual earned annual cash incentive, if any, payable to Executive for any performance
period will depend upon the extent to which the applicable performance goal(s) specified by the Committee are achieved. Any annual cash incentives earned pursuant to this Section 3(b) will be paid to Executive as soon as reasonably practicable
following the date on which such annual cash incentives are earned, but in no event will be paid later than March 15 of the year following the year in which such annual cash incentives are earned. To be eligible to receive the earned annual
cash incentive payment, Executive must be an employee of the Company on the actual bonus payment date, provided however Executive will remain eligible to receive his annual cash incentive amount if he is terminated by the Company without Cause or
Executive resigns with Good Reason after December 31 of the year to which the annual cash incentive payment relates and before the actual bonus payment date. For clarity, Executive will not be eligible for an annual cash incentive payment if he
voluntarily resigns without Good Reason or is terminated for Cause prior to the actual bonus payment date. 

  
 2 

 (c) Equity Awards. 

(i) On the grant date set by the Committee, the Company will issue to Executive 350,000 Restricted Stock Units
(“RSUs”) and one million (1,000,000) non-qualified stock options (“Stock Options”) pursuant the Company’s 2007 Equity Incentive Plan (the “Plan). The Company will address approval of the equity awards described in
this Section 3(c) on or before the Effective Date. The RSUs and Stock Options will be granted under and subject to the terms, definitions and provisions of the Plan and the Company’s form of equity award agreement. The exercise price of
the Stock Options will be the fair market value of the Company’s common shares (as defined in the Plan) on the grant date (which will be the date the grant is approved by the Committee or such later day as may be set by the Committee in
accordance with the Company’s Equity Award Policy). One-quarter (1/4th) of the RSUs will vest on the first anniversary of the Effective Date, and one-sixteenth (1/16th) will vest on December 1, 2014 and an additional one-sixteenth (1/16th) will vest on the first day of each March, June, September and
December thereafter until all of the RSUs have vested (four years), provided Executive continues to be a Service Provider through each such vesting date. One-quarter (1/4th) of the Stock Options will also vest on the first anniversary of the Effective Date, and one-forty-eighth
(1/48th) of the Stock Options will vest on the
1st day of [October], 2014 and on the 1st day of each
month thereafter until all of the Stock Options have vested (four years), provided Executive continues to be a Service Provider through each such vesting date. 
 (ii) On the grant date set by the Committee, the Company will grant Executive one-hundred-thousand (100,000) Restricted Stock Units (the “Initial RSUs”) under the Plan. The Initial
RSUs will fully vest thirty (30) days after the Effective Date, and will be subject to the terms and conditions of the Plan and the written RSU Agreement governing the award. 

(iii) Executive may from time to time be issued additional stock options, RSUs or other equity awards under the Plan or a successor
plan. Such awards together with the equity awards referenced in this Agreement may be referred to in this Agreement as “Equity Awards.” 
 (iv) In the event that the Company consummates a Change of Control (as defined below) transaction, 50% of Executive’s then outstanding unvested Equity Awards will vest immediately. In the event
Executive’s employment is terminated in Connection with a Change of Control (as defined below), the balance of Executive’s then outstanding Equity Awards may vest as provided in Section 7(b) below, with such vesting being applied in
reverse order such that the Equity Awards with the latest vesting first become non-forfeitable under this provision, provided that there remain at least six (6) months of vesting term after application of this reverse order vesting. 

(d) Attorneys’ Fees. Executive shall be entitled to receive reimbursement from the Company for the actual, reasonable
attorneys’ fees and costs incurred by him in connection with the review and negotiation of this Agreement not to exceed five thousand ($5,000) dollars. 
 4. Employee Benefits. 
 (a) Generally. Executive will be eligible to
participate in accordance with the terms of all Company employee benefit plans, policies, arrangements and perquisites that are applicable to other senior officers of the Company. 

(b) Vacation. Executive will be entitled to receive paid annual vacation in accordance with Company policy for other vice
president level officers, but with vacation accrual of not less than five (5) weeks per year. 

  
 3 

 5. Expenses. The Company will reimburse Executive for reasonable travel, (including
business or first class airfare), entertainment and other business expenses, including professional association fees, incurred by Executive in the furtherance of the performance of Executive’s duties hereunder. Executive is expected to travel
frequently to the Company’s Tempe, Arizona and other offices. All reimbursements to Executive by the Company pursuant to this Section 5 shall be in accordance with the Company’s expense reimbursement policy as in effect from time to
time. 
 6. Termination of Employment. In the event Executive’s employment with the Company terminates for any
reason, Executive will be entitled to any (a) unpaid Base Salary accrued up to the effective date of termination; (b) pay for accrued but unused vacation; (c) benefits or compensation as provided under the terms of any employee
benefit and compensation agreements or plans applicable to Executive; (d) unreimbursed business expenses required to be reimbursed to Executive; and (e) rights to indemnification Executive may have under the Company’s Certificate of
Incorporation, Bylaws, this Agreement and the Indemnification Agreement (as defined below) as applicable. In the event Executive’s employment with the Company terminates for any reason (other than Cause, as defined below), Executive will be
entitled to exercise any outstanding vested stock options until the first to occur of: (i) the date that is one (1) year following the later of such termination of employment or the date upon which Executive ceases to be a Service Provider
(as defined in the Plan), (ii) the applicable scheduled expiration date of such award (in the absence of any termination of employment) as set forth in the applicable award agreement, or (iii) the ten (10) year anniversary of the
award’s original date of grant. For purposes of clarity, the term “expiration date” shall be the scheduled expiration of the option agreement and not the period that Executive shall be entitled to exercise such option. In addition, if
the termination is by the Company without Cause or resignation by Executive for Good Reason (as defined below), Executive will be entitled to the amounts and benefits specified in Section 7. 

7. Severance. 
 (a) Termination Without Cause or Resignation for Good Reason other than in Connection with a Change of Control. If Executive’s employment is terminated by the Company without Cause or
Executive terminates voluntarily for Good Reason and such termination is not in Connection with a Change of Control, then, subject to Section 8, Executive will receive: (i) continued payment of Executive’s Base Salary (subject to
applicable tax withholdings) for twelve (12) months, such amounts to be paid in accordance with the Company’s normal payroll policies; (ii) the actual earned cash incentive, if any, payable to Executive for the current year, pro-rated
to the date of termination, with such pro-rated amount to be calculated by multiplying the actually earned portion of the current year’s Target Annual Incentive by a fraction with a numerator equal to the number of days inclusive between the
start of the current calendar year and the date of termination and a denominator equal to 365, such amounts to be paid at the same time as similar bonus payments are made to the Company’s other executive officers, and (iii) reimbursement
for premiums paid for continued health benefits for Executive (and any eligible dependents) under the Company’s health plans until the earlier of (A) twelve (12) months, payable when such premiums are due (provided Executive validly
elects to continue coverage under the Consolidated Omnibus Budget Reconciliation Act (“COBRA”)), or (B) the date upon which Executive and Executive’s eligible dependents become covered under similar plans. For purposes of
clarity, the Compensation Committee of the Board of Directors shall determine, in good faith, the extent to which any cash incentive has been earned by Executive. 
 (b) Termination Without Cause or Resignation for Good Reason in Connection with a Change of Control. If Executive’s employment is terminated by the Company without Cause or Executive
terminates voluntarily for Good Reason and the termination is in Connection with a Change of Control, then, subject to Section 8, Executive will receive: (i) continued payment of Executive’s Base Salary for the year in which the
termination occurs (subject to applicable tax withholdings), for twelve (12) months, such amounts to be paid in accordance with the Company’s normal payroll policies; (ii) the payment in an amount equal to 100% of Executive’s
Target Annual Incentive for the year in which the 

  
 4 

 
termination occurs (subject to applicable tax withholdings), with such amount to be paid on the first payroll date following the sixtieth (60th) day following the termination date;
(iii) 100% of Executive’s then outstanding unvested Equity Awards will vest, and (iv) reimbursement for premiums paid for continued health benefits for Executive (and any eligible dependents) under the Company’s health plans
until the earlier of (A) twelve (12) months, payable when such premiums are due (provided Executive validly elects to continue coverage under COBRA), or (B) the date upon which Executive and Executive’s eligible dependents become
covered under similar plans. 
 (c) Resignation Other than for Good Reason or Termination for Cause; Termination Due to Death
or Disability. If Executive resigns other than for Good Reason or the Company terminates Executive’s employment for Cause, then, except as provided in Section 6, (i) all further vesting of Executive’s outstanding Equity
Awards will terminate immediately and stock options shall be exercisable as provided in Section 6; (ii) all payments of compensation by the Company to Executive hereunder will terminate immediately, and (iii) Executive will be
eligible for severance benefits only in accordance with the Company’s then established plans. In the event that Executive’s employment is terminated due to death or Disability, twenty-five percent (25%) of Executive’s then
unvested Equity Awards shall vest. 
 8. Conditions to Receipt of Severance: No Duty to Mitigate. 

(a) Separation Agreement and Release of Claims. The receipt of any severance or other benefits pursuant to
Section 7(a) or 7(b) will be subject to Executive signing and not revoking a separation agreement and release of claims substantially in the form appended hereto as Exhibit A (the “Release”) and provided that the Release
becomes effective and irrevocable no later than sixty (60) days following the termination date (such deadline, the “Release Deadline”). The Company shall deliver the Release in final version to Executive within five (5) business
days after the date of termination. No severance or other benefits pursuant to Section 7(a) or 7(b) will be paid or provided until the Release becomes effective and irrevocable. If the Release does not become effective by the Release Deadline,
Executive will forfeit any rights to severance or benefits under this Agreement. Any severance payments or benefits under this Agreement that would be considered Deferred Compensation Severance Benefits (as defined in Section 24), will be paid
on, or, in the case of installments, will not commence until, the sixtieth (60th) day following Executive’s “separation from service”, or, if later, such time as required by Section 24. Any installment payments that would have been made to Executive during
the sixty (60) day period immediately following Executive’s “separation from service” but for the preceding sentence will be paid to Executive on the sixtieth (60th) day following Executive’s “separation from service” and the remaining payments will be made as
provided in this Agreement. If Executive should die before all of the severance amounts have been paid, such unpaid amounts will be paid in a lump-sum payment promptly following such event to Executive’s designated beneficiary, if living, or
otherwise to the personal representative of Executive’s estate. 
 (b) Non-solicitation of Employees . The receipt
of any severance or other benefits pursuant to Section 7(a) or 7(b) is subject to Executive agreeing that during the Employment Term and for twelve (12) months thereafter, Executive will comply with all of the restrictive covenants
contained in the Confidential Information Agreement (as defined in Section 12 below), including without limitation, the non-solicitation of employees covenant contained in Section 5 of the Confidential Information Agreement. 

(c) Nondisparagement. During the Employment Term and for twelve (12) months thereafter, Executive and the Company in its
official communications will not knowingly and materially disparage, criticize, or otherwise make any derogatory statements regarding the other. The Company will instruct its officers and directors to not knowingly and materially disparage,
criticize, or otherwise make any derogatory statements regarding Executive. Notwithstanding the foregoing, nothing contained in this 

  
 5 

 
agreement will be deemed to restrict Executive, the Company or any of the Company’s current or former officers and/or directors from providing factual information to any governmental or
regulatory agency (or in any way limit the content of any such information) to the extent they are requested or required to provide such information pursuant to applicable order, subpoena, law or regulation or Executive from making truthful
statements in the course of his employment with the Company. 
 (d) Other Requirements. Executive’s receipt of
continued severance payments pursuant to Section 7(a) or 7(b) will be subject to Executive continuing to comply with the terms of the Confidential Information Agreement and the provisions of this Section 8, to the extent consistent with
Section 409A (as defined below). 
 (e) No Duty to Mitigate. Executive will not be required to mitigate the amount
of any payment contemplated by this Agreement, nor will any earnings that Executive may receive from any other source reduce any such payment. 
 9. Excise Tax. In the event that the benefits provided for in this Agreement constitute “parachute payments” within the meaning of Section 280G of the Internal Revenue Code of 1986,
as amended (the “Code”) and will be subject to the excise tax imposed by Section 4999 of the Code (the “Excise Tax”), then Executive’s severance benefits payable under the terms of this Agreement will be either
(a) delivered in full, or (b) delivered as to such lesser extent which would result in no portion of such severance benefits being subject to the Excise Tax, whichever of the foregoing amounts, taking into account the applicable
federal, state and local income taxes and the Excise Tax, results in the receipt by Executive on an after-tax basis, of the greatest amount of severance benefits. Any reduction in payments and/or benefits
required by this Section 9 will occur in the following order: (1) reduction of cash payments; (2) reduction of vesting acceleration of Equity Awards; and (3) reduction of other benefits paid or provided to Executive, provided
that, within any such category of benefits (that is, (1), (2), or (3) of this sentence), a reduction shall occur first with respect to amounts that are not deferred compensation subject to Section 409A of the Code and then with respect to
amounts that are. In the event that acceleration of vesting of equity awards is to be reduced, such acceleration of vesting will be cancelled in the reverse order of the date of grant for Executive’s Equity Awards. If two or more Equity Awards
are granted on the same date, each award will be reduced on a pro-rata basis. 
 10. Definitions. 

(a) Cause. For purposes of this Agreement, “Cause” will mean: 

(i) Acts or omissions constituting gross negligence, recklessness or willful misconduct on the part of Executive with respect to
Executive’s obligations under this Agreement or otherwise relating to the business of the Company, or failure or refusal, after written notice thereof from the CEO and an opportunity to cure of at least 10 business days, to carry out lawful
directions from the CEO with respect to Executive’s obligations under this Agreement or relating to the performance of obligations or duties consistent with Executive’s then current position; 

(ii) Any act of personal dishonesty taken by Executive in connection with his responsibilities as an employee of the Company with the
intention or reasonable expectation that such action may result in the substantial personal enrichment of Executive; 
 (iii)
Executive’s conviction of, or plea of nolo contendere to, a felony that the Board reasonably believes has had or will have a material detrimental effect on the Company’s reputation or business; 

  
 6 

 (iv) A breach of any fiduciary duty owed to the Company by Executive that has a material
detrimental effect on the Company’s reputation or business; 
 (v) Executive being found liable in any Securities and
Exchange Commission or other civil or criminal securities law action or entering any cease and desist order with respect to such action (regardless of whether or not Executive admits or denies liability); 

(vi) Executive (A) obstructing or impeding; (B) endeavoring to obstruct, impede or improperly influence, or (C) failing
to materially cooperate with, any investigation authorized by the Board or any governmental or self-regulatory entity (an “Investigation”). However, Executive’s failure to waive attorney-client privilege relating to communications
with Executive’s own attorney in connection with an Investigation will not constitute “Cause”; or 
 (vii)
Executive’s disqualification or bar by any governmental or self-regulatory authority from serving in the capacity contemplated by this Agreement or Executive’s loss of any governmental or self-regulatory license that is reasonably
necessary for Executive to perform his responsibilities to the Company under this Agreement, if (A) the disqualification, bar or loss continues for more than thirty (30) days, and (B) during that period the Company uses its good faith
efforts to cause the disqualification or bar to be lifted or the license replaced. While any disqualification, bar or loss continues during Executive’s employment, Executive will serve in the capacity contemplated by this Agreement to whatever
extent legally permissible and, if Executive’s employment is not permissible, Executive will be placed on leave (which will be paid to the extent legally permissible). 
 (b) Change of Control. For purposes of this Agreement, “Change of Control” will mean the occurrence of any of the following events: 

(i) The consummation by the Company of a merger or consolidation of the Company with any other corporation, other than a merger or
consolidation which would result in the voting securities of the Company outstanding immediately prior thereto continuing to represent (either by remaining outstanding or by being converted into voting securities of the surviving entity) more than
50% of the total voting power represented by the voting securities of the Company or such surviving entity outstanding immediately after such merger or consolidation; 
 (ii) The approval by the stockholders of the Company, or if stockholder approval is not required, approval by the Board, of a plan of complete liquidation of the Company or an agreement for the sale or
disposition by the Company of all or substantially all of the Company’s assets; or 
 (iii) Any “person” (as
such term is used in Sections 13(d) and 14(d) of the Securities Exchange Act of 1934, as amended), other than Goldman Sachs and its related funds and entities, becoming the “beneficial owner” (as defined in Rule 13d-3 under said Act),
directly or indirectly, of securities of the Company representing 50% or more of the total voting power represented by the Company’s then outstanding voting securities. 
 (c) Disability. For purposes of this Agreement, “Disability” will mean Executive’s absence from his responsibilities with the Company on a full-time basis for 120 calendar days in
any consecutive twelve (12) month period as a result of Executive’s mental or physical illness or injury. 
 (d) In
Connection with a Change of Control. For purposes of this Agreement, a termination of Executive’s employment with the Company is “in Connection with a Change of Control” if Executive’s employment is terminated within three
(3) months prior to the execution of an agreement that results in a Change of Control or twelve (12) months following a Change of Control. 

  
 7 

 (e) Good Reason. For purposes of this Agreement, “Good Reason” means
Executive’s voluntary resignation of employment because of the existence of any of the following reasons and which reason(s) continue following the expiration of any cure period (as discussed below), without Executive’s written consent:

 (i) A substantial, material reduction without his consent of the Executive’s title, authority, duties, or
responsibilities from those in effect immediately prior to the reduction, or a material adverse change in the Executive’s reporting responsibilities, provided however a sale, separation or spin-off of a portion of the Company’s business
operations provided the Company remains a going concern and provided Executive’s duties, position and responsibilities with respect to the remaining business operations are not materially reduced will also not be considered a basis for Good
Reason resignation; 
 (ii) A material reduction in Executive’s cash compensation (either Base Salary, or Base Salary and
Annual Incentive Target combined) as in effect immediately prior to such reduction. Notwithstanding the foregoing, a one-time reduction that also is applied to other similarly situated executive officers of
the Company and which one-time reduction reduces the cash compensation by a percentage reduction of 10% or less in the aggregate will not be deemed material and will not constitute “Good Reason”;

 (iii) A failure by the Company to require any successor entity to the Company specifically to assume all of the
Company’s obligations to the Executive under this Agreement; 
 (iv) A material breach by the Company (or its successor)
of any material contractual obligation owed Executive pursuant to this Agreement (including, without limitation, the failure of the Company to obtain the assumption of this Agreement by a successor) that is not cured following notice and a
reasonable cure period as provided below; or 
 (v) The relocation of the Executive to a facility or a location more than fifty
(50) miles from Executive’s then current location (that is, a requirement that Executive re-locate his permanent residence to a location other than greater San Francisco Bay area), it being recognized that Executive will be required to
travel extensively and be present in the Company’s San Francisco, CA and Tempe, AZ offices consistently in performance of his business duties. 
 Executive will not resign for Good Reason without first providing the Company with written notice within thirty (30) days of the event that Executive believes constitutes “Good Reason”
specifically identifying the acts or omissions constituting the grounds for Good Reason and a reasonable cure period of not less than thirty (30) days. 
 11. Indemnification. Subject to applicable law, Executive will be provided indemnification to the maximum extent permitted by the Company’s Certificate of Incorporation, Bylaws and an
Indemnification Agreement between Executive and Company of even date herewith (the “Indemnification Agreement”). Executive will be provided directors and officers insurance coverage, on terms no less favorable than provided to any other
Company executive officer or director. 
 12. Confidential Information. Executive will execute or if previously executed
hereby re-affirms the form of At-Will Employment, Confidential Information, Inventions Assignment and Arbitration Agreement, appended hereto as Exhibit B (the “Confidential Information Agreement”). In the event of any
inconsistency between the terms of this Agreement and the terms of the Confidential Information Agreement, this Agreement will prevail. 

  
 8 

 13. Assignment. This Agreement will be binding upon and inure to the benefit of
(a) the heirs, executors and legal representatives of Executive upon Executive’s death, and (b) any successor of the Company. Any such successor of the Company will be deemed substituted for the Company under the terms of this
Agreement for all purposes. For this purpose, “successor” means any person, firm, corporation, or other business entity which at any time, whether by purchase, merger, or otherwise, directly or indirectly acquires all or substantially all
of the assets or business of the Company. None of the rights of Executive to receive any form of compensation payable pursuant to this Agreement may be assigned or transferred except by will or the laws of descent and distribution. Any other
attempted assignment, transfer, conveyance, or other disposition of Executive’s right to compensation or other benefits will be null and void. This Section 13 will in no way prevent Executive from transferring any vested property he owns.

 14. Notices. All notices, requests, demands and other communications called for hereunder will be in writing and will
be deemed given (a) on the date of delivery if delivered personally; (b) one (1) day after being sent overnight by a well-established commercial overnight service, or (c) four (4) days after being mailed by registered or
certified mail, return receipt requested, prepaid and addressed to the parties or their successors at the following addresses, or at such other addresses as the parties may later designate in writing: 

If to the Company: 
 222 South Mill Ave., Suite 800 
 Tempe, Arizona 85281 

Attn: Senior Director of Human Resources 

With copy to: 
 222 South Mill Ave., Suite 800 
 Tempe, Arizona 85281 

Attn: Chief Legal Officer 
 If to Executive: 
 at the last residential address known by the
Company. 
 With a copy to 

Ted Wang, Esq. 
 Fenwick & West LLP 
 801 California Street 

Mountain View, CA 94102 

  
 9 

 15. Severability. If any provision hereof becomes or is declared by a court of
competent jurisdiction to be illegal, unenforceable, or void, this Agreement will continue in full force and effect without said provision. 
 16. Arbitration. The parties agree that any and all disputes arising out of the terms of this Agreement, Executive’s employment by the Company, Executive’s service as an officer or
director of the Company, or Executive’s compensation and benefits, their interpretation and any of the matters herein released, will be subject to binding arbitration in accordance with the terms of section 12 of the Confidential Information
Agreement. The Parties further agree that the prevailing party in any arbitration will be entitled to injunctive relief in any court of competent jurisdiction to enforce the arbitration award. The parties hereby agree to waive their right to have
any dispute between them resolved in a court of law by a judge or jury. This paragraph will not prevent either party from seeking injunctive relief (or any other provisional remedy) from any court having jurisdiction over the Parties and the
subject matter of their dispute relating to Executive’s obligations under this Agreement and the Confidential Information Agreement. 
 17. Integration. This Agreement, together with the Confidential Information Agreement, the Indemnification Agreement between the Company and Executive and the forms of equity award agreements that
describe Executive’s outstanding Equity Awards, represents the entire agreement and understanding between the parties as to the subject matter herein and supersede all prior or contemporaneous agreements, whether written or oral. No waiver,
alteration, or modification of any of the provisions of this Agreement will be binding unless in a writing and signed by duly authorized representatives of the parties hereto. In entering into this Agreement, no party has relied on or made any
representation, warranty, inducement, promise, or understanding that is not in this Agreement. To the extent that any provisions of this Agreement conflict with those of any other agreement to be signed upon Executive’s hire, the terms in this
Agreement will prevail. 
 18. Waiver of Breach. The waiver of a breach of any term or provision of this Agreement, which
must be in writing, will not operate as or be construed to be a waiver of any other previous or subsequent breach of this Agreement. 
 19. Survival. The Confidential Information Agreement and the Company’s and Executive’s responsibilities under Sections 6, 7, 8, 11 and 12 will survive the termination of this Agreement.

 20. Headings. All captions and Section headings used in this Agreement are for convenient reference only and do
not form a part of this Agreement. 
 21. Tax Withholding. All payments made pursuant to this Agreement will be subject
to withholding of applicable taxes. 
 22. Governing Law. This Agreement will be governed by the laws of the state of
California without regard to its conflict of laws provisions. 
 23. Acknowledgment. Executive acknowledges that he has
had the opportunity to discuss this matter with and obtain advice from his private attorney, has had sufficient time to, and has carefully read and fully understands all the provisions of this Agreement, and is knowingly and voluntarily entering
into this Agreement. 

  
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 24. Code Section 409A. 

(a) Notwithstanding anything to the contrary in this Agreement, no severance payable to Executive, if any, pursuant to this Agreement,
when considered together with any other severance payments or separation benefits that are considered nonqualified deferred compensation under Section 409A of the Code and the final regulations and any guidance promulgated thereunder
(“Section 409A”) (together, the “Deferred Compensation Separation Benefits”) will be payable until Executive has a “separation from service” within the meaning of Section 409A. 

(b) Notwithstanding anything to the contrary in this Agreement, if Executive is a “specified employee” within the meaning of
Section 409A at the time of Executive’s termination (other than due to death), then the Deferred Compensation Separation Benefits that are payable within the first six (6) months following Executive’s separation from service,
will become payable on the first payroll date that occurs on or after the date six (6) months and one (1) day following the date of Executive’s separation from service. All subsequent Deferred Compensation Separation Benefits, if any,
will be payable in accordance with the payment schedule applicable to each payment or benefit. Notwithstanding anything herein to the contrary, if Executive dies following Executive’s separation from service but prior to the six (6) month
anniversary of the separation, then any payments delayed in accordance with this paragraph will be payable in a lump sum as soon as administratively practicable after the date of Executive’s death and all other Deferred Compensation Separation
Benefits will be payable in accordance with the payment schedule applicable to each payment or benefit. Each payment and benefit payable under this Agreement is intended to constitute separate payments for purposes of Section 1.409A-2(b)(2) of
the Treasury Regulations. 
 (c) Any amount paid under this Agreement that satisfies the requirements of the “short-term
deferral” rule set forth in Section 1.409A-1(b)(4) of the Treasury Regulations will not constitute Deferred Compensation Separation Benefits for purposes of clause (i) above. 

(d) Any amount paid under this Agreement that qualifies as a payment made as a result of an involuntary separation from service pursuant
to Section 1.409A-1(b)(9)(iii) of the Treasury Regulations that do not exceed the Section 409A Limit will not constitute Deferred Compensation Separation Benefits for purposes of clause (i) above. For purposes of this Agreement,
“Section 409A Limit” will mean the lesser of two (2) times: (i) Executive’s annualized compensation based upon the annual rate of pay paid to Executive during the Company’s taxable year preceding the Company’s
taxable year of Executive’s termination of employment as determined under Treasury Regulation 1.409A-1(b)(9)(iii)(A)(1) and any Internal Revenue Service guidance issued with respect thereto; or (ii) the maximum amount that may be taken
into account under a qualified plan pursuant to Section 401(a)(17) of the Code for the year in which Executive’s employment is terminated. 
 (e) The foregoing provisions are intended to comply with the requirements of Section 409A so that none of the severance payments and benefits to be provided hereunder will be subject to the
additional tax imposed under Section 409A, and any ambiguities herein will be interpreted to so comply. The Company and Executive agree to work together in good faith to consider amendments to this Agreement and to take such reasonable actions
which are necessary, appropriate or desirable to avoid imposition of any additional tax or income recognition prior to actual payment to Executive under Section 409A.” 

25. Counterparts. This Agreement may be executed in counterparts, and each counterpart will have the same force and effect as an
original and will constitute an effective, binding agreement on the part of each of the undersigned. 

  
 11 

 IN WITNESS WHEREOF, each of the parties has executed this Agreement, in the case of the
Company by a duly authorized officer, as of the day and year written below. 
  

			
	COMPANY:
	
	LIMELIGHT NETWORKS, INC.

  

							
	/s/ Robert Lento	 		 	Date: July 23, 2013
	Robert Lento, CEO	 		 	
			
	EXECUTIVE:	 		 	
			
	/s/ Peter J. Perrone	 		 	Date: July 23, 2013
	Peter J. Perrone	 		 	

 [SIGNATURE PAGE TO PERRONE EMPLOYMENT AGREEMENT] 

Exhibit A 
 FORM OF SEPARATION AGREEMENT AND RELEASE OF CLAIMS 
 Exhibit B

 FORM OF CONFIDENTIAL INFORMATION AGREEMENT 

  
 12

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