Document:

2011 Equity Incentive Plan and forms of agreements thereunder

 Exhibit 10.4 
 SERVICESOURCE INTERNATIONAL, INC. 
 2011 EQUITY INCENTIVE PLAN

 1. Purposes of the Plan. The purposes of this Equity Incentive Plan are to attract and retain the
best available personnel for positions of substantial responsibility, to provide additional incentive to Service Providers and to promote the success of the Company’s business. 

Awards to Service Providers granted hereunder may be Incentive Stock Options, Nonstatutory Stock Options, Restricted
Stock, Restricted Stock Units, Stock Appreciation Rights, Performance Shares, Performance Units, Deferred Stock Units or Dividend Equivalents, at the discretion of the Administrator and as reflected in the terms of the written option agreement.

 2. Definitions. As used herein, the following definitions shall apply: 

(a) “Administrator” shall mean the Board or any of its Committees as shall be administering the Plan, in
accordance with Section 4 of the Plan. 
 (b) “Applicable Laws” shall mean the legal
requirements relating to the administration of equity incentive plans under California corporate and securities laws and the Code. 
 (c) “Award” shall mean, individually or collectively, a grant under the Plan of Incentive Stock Options, Nonstatutory Stock Options, Restricted Stock, Restricted Stock Units, Stock
Appreciation Rights, Performance Shares, Performance Units, Deferred Stock Units or Dividend Equivalents. 
 (d)
“Award Agreement” shall mean the written or electronic agreement setting forth the terms and provisions applicable to each Award granted under the Plan. The Award Agreement is subject to the terms and conditions of the Plan.

 (e) “Awarded Stock” shall mean the Common Stock subject to an Award. 

(f) “Board” shall mean the Board of Directors of the Company. 

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

(i) A change in the ownership of the Company which occurs on the date that any one person, or more than one person acting
as a group (“Person”), acquires ownership of the stock of the Company that, together with the stock held by such Person, constitutes more than fifty percent (50%) of the total voting power of the stock of the Company; provided,
however, that for purposes of this subsection (i), the acquisition of additional stock by any one Person, who is considered to own more than fifty percent (50%) of the total voting power of the stock of the Company will not be considered a
Change in Control; or 

 (ii) A change in the effective control of the Company which occurs on the
date that a majority of members of the Board is replaced during any twelve (12) month period by Directors whose appointment or election is not endorsed by a majority of the members of the Board prior to the date of the appointment or election.
For purposes of this clause (ii), if any Person is considered to be in effective control of the Company, the acquisition of additional control of the Company by the same Person will not be considered a Change in Control; or 

(iii) A change in the ownership of a substantial portion of the Company’s assets which occurs on the date that any
Person acquires (or has acquired during the twelve (12) month period ending on the date of the most recent acquisition by such person or persons) assets from the Company that have a total gross fair market value equal to or more than fifty
percent (50%) of the total gross fair market value of all of the assets of the Company immediately prior to such acquisition or acquisitions; provided, however, that for purposes of this subsection (iii), the following will not constitute a
change in the ownership of a substantial portion of the Company’s assets: (A) a transfer to an entity that is controlled by the Company’s stockholders immediately after the transfer, or (B) a transfer of assets by the Company to:
(1) a stockholder of the Company (immediately before the asset transfer) in exchange for or with respect to the Company’s stock, (2) an entity, fifty percent (50%) or more of the total value or voting power of which is owned,
directly or indirectly, by the Company, (3) a Person, that owns, directly or indirectly, fifty percent (50%) or more of the total value or voting power of all the outstanding stock of the Company, or (4) an entity, at least fifty
percent (50%) of the total value or voting power of which is owned, directly or indirectly, by a Person described in this subsection (iii)(B)(3). For purposes of this subsection (iii), gross fair market value means the value of the assets of
the Company, or the value of the assets being disposed of, determined without regard to any liabilities associated with such assets. 
 For purposes of this Section 2(g), persons will be considered to be acting as a group if they are owners of a corporation that enters into a merger, consolidation, purchase or acquisition of stock,
or similar business transaction with the Company. 
 (h) “Code” shall mean the Internal Revenue
Code of 1986, as amended. 
 (i) “Common Stock” shall mean the Common Stock of the Company.

 (j) “Committee” shall mean the Committee appointed by the Board of Directors or a
sub-committee appointed by the Board’s designated committee in accordance with Section 4(a) of the Plan, if one is appointed. 
 (k) “Company” shall mean ServiceSource International, Inc. 
 (l) “Consultant” shall mean any person, including an advisor, engaged by the Company or a Parent or Subsidiary to render services and who is compensated for such services; provided,
however, that the term “Consultant” shall not include Outside Directors, unless such Outside Directors are compensated for services to the Company other than pursuant to their services as a Director. 

  
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 (m) “Continuous Status as a Director” means that the
Director relationship is not interrupted or terminated. 
 (n) “Director” shall mean a member
of the Board. 
 (o) “Disability” means total and permanent disability as defined in
Section 22(e)(3) of the Code. 
 (p) “Dividend Equivalent” shall mean a credit,
payable in cash, made at the discretion of the Administrator, to the account of a Participant in an amount equal to the cash dividends paid on one Share for each Share represented by an Award held by such Participant. Dividend Equivalents shall be
subject to the same vesting restrictions as the related Shares subject to an Award. 
 (q)
“Employee” shall mean any person, including Officers and Directors, employed by the Company or any Parent or Subsidiary of the Company. An Employee shall not cease to be an Employee in the case of (i) any leave of absence
approved by the Company or (ii) transfers between locations of the Company or between the Company, its Parent, any Subsidiary, or any successor. For purposes of Incentive Stock Options, no such leave may exceed ninety days, unless reemployment
upon expiration of such leave is guaranteed by statute or contract. If reemployment upon expiration of a leave of absence approved by the Company is not so guaranteed, then three (3) months following the 91st day of such leave any Incentive Stock Option held by the Participant
shall cease to be treated as an Incentive Stock Option and shall be treated for tax purposes as a Nonstatutory Stock Option. 
 (r) “Exchange Act” shall mean the Securities Exchange Act of 1934, as amended. 
 (s) “Exchange Program” means a program under which (i) outstanding Awards are surrendered or cancelled in exchange for Awards of the same type (which may have higher or lower
exercise prices and different terms), Awards of a different type, and/or cash, (ii) Participants would have the opportunity to transfer any outstanding Awards to a financial institution or other person or entity selected by the Administrator,
and/or (iii) the exercise price of an outstanding Award is reduced. The Administrator will determine the terms and conditions of any Exchange Program in its sole discretion. 

(t) “Fair Market Value” shall mean as of any date, 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 Market, the Nasdaq Global Select Market or the Nasdaq Capital Market, its Fair Market Value shall be the closing sales price for such stock (or the closing bid, if no sales were reported) as quoted on such
exchange or system for the last market trading day prior to the time of determination, as reported in The Wall Street Journal or such other source as the Administrator deems reliable or shall be such other value determined in good faith by
the Administrator; 

  
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 (ii) If the Common Stock is regularly quoted by a recognized securities
dealer but selling prices are not reported, the Fair Market Value of a Share of Common Stock shall be the mean between the high bid and low asked prices for the Common Stock on the last market trading day prior to the day of determination, as
reported in The Wall Street Journal or such other source as the Administrator deems reliable or shall be such other value determined in good faith by the Administrator; or 

(iii) In the absence of an established market for the Common Stock, the Fair Market Value shall be determined in good
faith by the Administrator. 
 (u) “Fiscal Year” shall mean a fiscal year of the Company.

 (v) “Incentive Stock Option” shall mean an Option intended to qualify as an incentive stock
option within the meaning of Section 422 of the Code. 
 (w) “Nonstatutory Stock Option”
shall mean an Option not intended to qualify as an Incentive Stock Option. 
 (x) “Officer”
shall mean a person who is an officer of the Company within the meaning of Section 16 of the Exchange Act and the rules and regulations promulgated thereunder. 

(y) “Option” shall mean a stock option granted pursuant to the Plan. 

(z) “Optioned Stock” shall mean the Common Stock subject to an Option. 

(aa) “Outside Director” means a Director who is not an Employee or Consultant. 

(bb) “Parent” shall mean a “parent corporation”, whether now or hereafter existing, as defined
in Section 424(e) of the Code. 
 (cc) “Participant” shall mean an Employee,
Consultant or Outside Director who receives an Award. 
 (dd) “Performance Goals” means the
goal(s) (or combined goal(s)) determined by the Administrator (in its discretion) to be applicable to a Participant with respect to an Award. As determined by the Administrator, the performance measures for any performance period will be any one or
more of the following objective performance criteria, applied to either the Company as a whole or, except with respect to stockholder return metrics, to a region, business unit, affiliate or business segment, and measured either on an absolute basis
or relative to a pre-established target, to a previous period’s results or to a designated comparison group, and, with respect to financial metrics, which may be determined in accordance with United States Generally Accepted Accounting
Principles (“GAAP”), in accordance with accounting principles established by the International Accounting Standards Board (“IASB Principles”) or which may be adjusted when established to exclude any items otherwise includable
under GAAP or under IASB Principles or to include any items otherwise excludable under GAAP or under IASB 

  
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Principles: (i) cash flow (including operating cash flow or free cash flow), (ii) revenue (on an absolute basis or adjusted for currency effects), (iii) gross margin,
(iv) operating expenses or operating expenses as a percentage of revenue, (v) earnings (which may include earnings before interest and taxes, earnings before taxes and net earnings), (vi) earnings per share, (vii) stock price,
(viii) return on equity, (ix) total stockholder return, (x) growth in stockholder value relative to the moving average of the S&P 500 Index or another index, (xi) return on capital, (xii) return on assets or net assets,
(xiii) return on investment, (xiv) economic value added, (xv) operating profit or net operating profit, (xvi) operating margin, (xvii) market share, (xviii) contract awards or backlog, (xix) overhead or other
expense reduction, (xx) credit rating, (xxi) objective customer indicators, (xxii) new product invention or innovation, (xxiii) attainment of research and development milestones, (xxiv) improvements in productivity,
(xxv) attainment of objective operating goals, and (xxvi) objective employee metrics. 
 (ee)
“Performance Share” shall mean a performance share Award granted to a Participant pursuant to Section 13. 
 (ff) “Performance Unit” means a performance unit Award granted to a Participant pursuant to Section 14. 

(gg) “Plan” shall mean this 2011 Equity Incentive Plan, as amended. 

(hh) “Registration Date” means the effective date of the first registration statement that is filed by
the Company and declared effective pursuant to Section 12(g) of the Exchange Act, with respect to any class of the Company’s securities. 
 (ii) “Restricted Stock” shall mean a restricted stock Award granted to a Participant pursuant to Section 11. 

(jj) “Restricted Stock Unit” shall mean a bookkeeping entry representing an amount equal to the Fair
Market Value of one Share, granted pursuant to Section 12. Each Restricted Stock Unit represents an unfunded and unsecured obligation of the Company. 
 (kk) “Rule 16b-3” shall mean Rule 16b-3 of the Exchange Act or any successor to Rule 16b-3, as in effect when discretion is being exercised with respect to the Plan. 

(ll) “Section 16(b)” shall mean Section 16(b) of the Exchange Act. 

(mm) “Service Provider” means an Employee, Consultant or Service Provider. 

(nn) “Share” shall mean a share of the Common Stock, as adjusted in accordance with Section 19 of
the Plan. 
 (oo) “Stock Appreciation Right” or “SAR” shall mean a stock appreciation
right granted pursuant to Section 8 of the Plan. 

  
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 (pp) “Subsidiary” shall mean a “subsidiary
corporation”, whether now or hereafter existing, as defined in Section 424(f) of the Code. 
 3.
Stock Subject to the Plan. 
 (a) Initial Reserve. Subject to the provisions
of Section 19 of the Plan, the maximum aggregate number of Shares that may be issued under the Plan is approximately 9% of the estimated shares of common stock outstanding as of the completion of the Company’s initial public offering
Shares, plus (i) any Shares that, as of the Registration Date, have been reserved but not issued under the Company’s 2004 Omnibus Share Plan (the “2004 Plan”) or the Company’s 2008 Share Award Plan (the “2008
Plan”) that are not subject to any awards granted thereunder, and (ii) any Shares subject to stock options or similar awards granted under the 2004 Plan and the 2008 Plan that expire or otherwise terminate without having been exercised in
full and Shares issued pursuant to awards granted under the 2004 Plan and 2008 Plan that are forfeited to or repurchased by the Company, with the maximum number of Shares to be added to the Plan pursuant to clauses (i) and (ii) equal to
                 Shares. The Shares may be authorized, but unissued, or reacquired Common Stock. 

(b) Automatic Share Reserve Increase. The number of Shares available for issuance under the Plan will be increased
on the first day of each Fiscal Year beginning with the 2012 Fiscal Year, in an amount equal to the least of (i)                  Shares, (ii) four percent
(4%) of the outstanding Shares on the last day of the immediately preceding Fiscal Year or (iii) such lesser number of Shares determined by the Board. 

(c) Lapsed Awards. If an Award expires or becomes unexercisable without having been exercised in full, is
surrendered pursuant to an Exchange Program, or, with respect to Restricted Stock, Restricted Stock Units, Deferred Stock Units, Performance Units or Performance Shares, is forfeited to or repurchased by the Company due to failure to vest, the
unpurchased Shares (or for Awards other than Options or Stock Appreciation Rights the forfeited or repurchased Shares), which were subject thereto will become available for future grant or sale under the Plan (unless the Plan has terminated). With
respect to Stock Appreciation Rights, only Shares actually issued (i.e., the net Shares issued) pursuant to a Stock Appreciation Right will cease to be available under the Plan; all remaining Shares under Stock Appreciation Rights will remain
available for future grant or sale under the Plan (unless the Plan has terminated). Shares that have actually been issued under the Plan under any Award will not be returned to the Plan and will not become available for future distribution under the
Plan; provided, however, that if Shares issued pursuant to Awards of Restricted Stock, Restricted Stock Units, Deferred Stock Units, Performance Shares or Performance Units are repurchased by the Company or are forfeited to the Company, such Shares
will become available for future grant under the Plan. Shares used to pay the exercise price of an Award or to satisfy the tax withholding obligations related to an Award will become available for future grant or sale under the Plan. To the extent
an Award under the Plan is paid out in cash rather than Shares, such cash payment will not result in reducing the number of Shares available for issuance under the Plan. Notwithstanding the foregoing and, subject to adjustment as provided in
Section 19, the maximum number of Shares 

  
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that may be issued upon the exercise of Incentive Stock Options will equal the aggregate Share number stated in Section 3(a), plus, to the extent allowable under Section 422 of the Code
and the Treasury Regulations promulgated thereunder, any Shares that become available for issuance under the Plan pursuant to Sections 3(b) and 3(c). 
 (d) Share Reserve. The Company, during the term of this Plan, will at all times reserve and keep available such number of Shares as will be sufficient to satisfy the requirements of the Plan.

 4. Administration of the Plan. 

(a) Procedure. 
 (i) Multiple Administrative Bodies. If permitted by Applicable Laws, the Plan may be administered by different bodies with respect to Directors, Officers who are not Directors, and Employees who
are neither Directors nor Officers. 
 (ii) Section 162(m). To the extent that the Administrator
determines it to be desirable to qualify Awards granted hereunder as “performance-based compensation” within the meaning of Section 162(m) of the Code, the Plan shall be administered by a Committee consisting solely of two or more
“outside directors” within the meaning of Section 162(m) of the Code. 
 (iii) Administration
With Respect to Officers Subject to Section 16(b). With respect to Option grants made to Employees who are also Officers subject to Section 16(b) of the Exchange Act, the Plan shall be administered by (A) the Board, if the
Board may administer the Plan in compliance with Rule 16b-3, or (B) a committee designated by the Board to administer the Plan, which committee shall be constituted to comply with Rule 16b-3. Once appointed, such Committee shall
continue to serve in its designated capacity until otherwise directed by the Board. From time to time the Board may increase the size of the Committee and appoint additional members, remove members (with or without cause) and substitute new
members, fill vacancies (however caused), and remove all members of the Committee and thereafter directly administer the Plan, all to the extent permitted by Rule 16b-3. 

(iv) Administration With Respect to Other Persons. With respect to Award grants made to Employees or Consultants
who are not Officers of the Company, the Plan shall be administered by (A) the Board, (B) a committee designated by the Board, or (C) a sub-committee designated by the designated committee, which committee or sub-committee shall be
constituted to satisfy Applicable Laws. Once appointed, such Committee shall serve in its designated capacity until otherwise directed by the Board. The Board may increase the size of the Committee and appoint additional members, remove members
(with or without cause) and substitute new members, fill vacancies (however caused), and remove all members of the Committee and thereafter directly administer the Plan, all to the extent permitted by Applicable Laws. 

  
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 (v) Administration With Respect to Outside Directors. Any
discretionary Award grants to Outside Directors shall be made by the Board or a committee thereof. The Board or a committee thereof shall administer the Plan with respect to Outside Director Awards. 

(b) Powers of the Administrator. Subject to the provisions of the Plan, and in the case of a
Committee, subject to the specific duties delegated by the Board to such Committee, the Administrator shall have the authority, in its discretion: 
 (i) to determine the Fair Market Value in accordance with Section 2(t) of the Plan; 
 (ii) to select the Service Providers to whom Awards may be granted hereunder; 
 (iii) to determine whether and to what extent Awards are granted hereunder; 
 (iv) to determine the number of shares of Common Stock to be covered by each Award granted hereunder; 
 (v) to approve forms of agreement for use under the Plan; 
 (vi)
to determine the terms and conditions of any, and to institute any Exchange Program; 
 (vii) to determine the
terms and conditions, not inconsistent with the terms of the Plan, of any Award granted hereunder. Such terms and conditions include, but are not limited to, the exercise price, the time or times when Awards vest or may be exercised (which may be
based on performance criteria), any vesting acceleration or waiver of forfeiture restrictions (subject to compliance with applicable laws, including Code Section 409A), and any restriction or limitation regarding any Award or the shares of
Common Stock relating thereto, based in each case on such factors as the Administrator, in its sole discretion, shall determine; 
 (viii) to construe and interpret the terms of the Plan and Awards granted pursuant to the Plan; 
 (ix) to prescribe, amend and rescind rules and regulations relating to the Plan, including rules and regulations relating to sub-plans established for the purpose of qualifying for preferred tax treatment
under foreign tax laws; 
 (x) to modify or amend each Award (subject to Section 6 and
Section 22(c) of the Plan), including the discretionary authority to extend the post-termination exercisability period of Options or SARs longer than is otherwise provided for in the Plan (but in no event more than ten years from the grant
date); 
 (xi) to allow Participants to satisfy withholding tax obligations by electing to have the Company
withhold from the Shares or cash to be issued upon exercise or vesting of an 

  
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Award that number of Shares or cash having a Fair Market Value equal to the amount required to be withheld. The Fair Market Value of any Shares to be withheld shall be determined on the date that
the amount of tax to be withheld is to be determined. All elections by a Participant to have Shares or cash withheld for this purpose shall be made in such form and under such conditions as the Administrator may deem necessary or advisable;

 (xii) to authorize any person to execute on behalf of the Company any instrument required to effect the grant
of an Award previously granted by the Administrator; 
 (xiii) to determine the terms and restrictions
applicable to Awards; 
 (xiv) to determine whether Awards (other than Options or SARs) will be adjusted for
Dividend Equivalents; and 
 (xv) to make all other determinations deemed necessary or advisable for
administering the Plan. 
 (c) Delegation. The Board may delegate responsibility for administering the
Plan, including with respect to designated classes of Employees and Consultants, to different committees consisting of one or more Directors subject to such limitations as the Board deems appropriate. To the extent consistent with applicable law,
the Board or the Compensation Committee may authorize one or more officers of the Company to grant Awards to designated classes of Employees and Consultants, within limits specifically prescribed by the Board or the Compensation Committee; provided,
however, that no such officer shall have or obtain authority to grant Awards to himself or herself or to other Company executive officers. 
 (i) Effect of Administrator’s Decision. All decisions, determinations and interpretations of the Administrator shall be final and binding on all Participants and any other holders of
any Awards granted under the Plan. 
 5. Eligibility. Awards may be granted only to Service Providers. Incentive Stock
Options may be granted only to Employees. A Service Provider who has been granted an Award may, if he or she is otherwise eligible, be granted an additional Award or Awards. 
 6. Code Section 162(m) Provisions. 
 (a) Option and
SAR Annual Share Limit. No Participant shall be granted, in any Fiscal Year, Options and Stock Appreciation Rights to purchase more than 1,000,000 Shares; provided, however, that such limit shall be 2,000,000 Shares in the Participant’s
first Fiscal Year of Company service. 
 (b) Restricted Stock, Performance Share and Restricted Stock Unit
Annual Limit. No Participant shall be granted, in any Fiscal Year, more than 500,000 Shares in the aggregate of the following: (i) Restricted Stock, (ii) Performance Shares, or (iii) Restricted Stock Units; provided, however, that
such limit shall be 1,000,000 Shares in the Participant’s first Fiscal Year of Company service. 

  
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 (c) Performance Units Annual Limit. No Participant shall receive
Performance Units, in any Fiscal Year, having an initial value greater than $1,000,000, provided, however, that such limit shall be $2,000,000 in the Participant’s first Fiscal Year of Company service. 

(d) Section 162(m) Performance Restrictions. For purposes of qualifying grants of Restricted Stock,
Performance Shares, Performance Units or Restricted Stock Units as “performance-based compensation” under Section 162(m) of the Code, the Administrator, in its discretion, may set restrictions based upon the achievement of Performance
Goals. The Performance Goals shall be set by the Administrator on or before the latest date permissible to enable the Restricted Stock, Performance Shares, Performance Units or Restricted Stock Units to qualify as “performance-based
compensation” under Section 162(m) of the Code. In granting Restricted Stock, Performance Shares, Performance Units or Restricted Stock Units which are intended to qualify under Section 162(m) of the Code, the Administrator shall
follow any procedures determined by it from time to time to be necessary or appropriate to ensure qualification of the Award under Section 162(m) of the Code (e.g., in determining the Performance Goals). 

(e) Changes in Capitalization. The numerical limitations in Sections 6(a) and (b) shall be adjusted
proportionately in connection with any change in the Company’s capitalization as described in Section 19(a). 
 7.
Stock Options. 
 (a) Type of Option. Each Option shall be designated in the Award Agreement as
either an Incentive Stock Option or a Nonstatutory Stock Option. However, notwithstanding such designations, to the extent that the aggregate Fair Market Value of Shares subject to a Participant’s incentive stock options granted by the Company,
any Parent or Subsidiary, that become exercisable for the first time during any calendar year (under all plans of the Company or any Parent or Subsidiary) exceeds $100,000, such excess Options shall be treated as Nonstatutory Stock Options. For
purposes of this Section 7(a), incentive stock options shall be taken into account in the order in which they were granted, and the Fair Market Value of the Shares shall be determined as of the time of grant. 

(b) Term of Option. The term of each Option shall be stated in the Notice of Grant; provided, however, that the
term shall be ten (10) years from the date of grant or such shorter term as may be provided in the Notice of Grant. Moreover, in the case of an Incentive Stock Option granted to a Participant who, at the time the Incentive Stock Option is
granted, owns stock representing more than ten percent (10%) of the voting power of all classes of stock of the Company or any Parent or Subsidiary, the term of the Incentive Stock Option shall be five (5) years from the date of grant or
such shorter term as may be provided in the Notice of Grant. 

  
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 (c) Exercise Price and Consideration. 

(i) The per Share exercise price for the Shares to be issued pursuant to exercise of an Option shall be such price as is
determined by the Administrator, but shall be subject to the following: 
 (A) In the case of an Incentive
Stock Option granted to an Employee who, at the time the Incentive Stock Option is granted, owns stock representing more than ten percent (10%) of the voting power of all classes of stock of the Company or any Parent or Subsidiary, the per
Share exercise price shall be no less than 110% of the Fair Market Value per Share on the date of grant. 
 (B)
In the case of any other Incentive Stock Option and any Nonstatutory Stock Option, the per Share exercise price shall be no less than 100% of the Fair Market Value per Share on the date of grant. 

(d) The consideration to be paid for the Shares to be issued upon exercise of an Option, including the method of payment,
shall be determined by the Administrator. Such consideration, to the extent permitted by Applicable Laws, may consist entirely of: 
 (i) cash; 
 (ii) check; 

(iii) other Shares which have a Fair Market Value on the date of surrender equal to the aggregate exercise price of the
Shares as to which said Option shall be exercised; 
 (iv) broker-assisted cashless exercise; 

(v) any combination of the foregoing methods of payment; or such other consideration and method of payment for the
issuance of Shares to the extent permitted by Applicable Laws; or 
 (vi) such other consideration and method of
payment for the issuance of Shares to the extent permitted by Applicable Laws. 
 8. Stock Appreciation Rights. 

 (a) Grant of SARs. Subject to the terms and conditions of the Plan, SARs may be granted to
Participants at any time and from time to time as shall be determined by the Administrator, in its sole discretion. Subject to Section 6(a) hereof, the Administrator shall have complete discretion to determine the number of SARs granted to any
Participant. 
 (b) Exercise Price and other Terms. The per share exercise price for the Shares to be
issued pursuant to exercise of an SAR shall be determined by the Administrator and shall be no less than 100% of the Fair Market Value per share on the date of grant. Otherwise, subject to Section 6(a) of the Plan, the Administrator, subject to
the provisions of the Plan, shall have 

  
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complete discretion to determine the terms and conditions of SARs granted under the Plan; provided, however, that no SAR may have a term of more than ten (10) years from the date of grant.

 (c) Payment of SAR Amount. Upon exercise of a SAR, a Participant shall be entitled to receive payment
from the Company in an amount determined by multiplying: 
 (i) The difference between the Fair Market Value of
a Share on the date of exercise over the exercise price; times 
 (ii) The number of Shares with respect to
which the SAR is exercised. 
 (d) Payment upon Exercise of SAR. At the discretion of the Administrator,
but only as specified in the Award Agreement, payment for a SAR may be in cash, Shares or a combination thereof. If the Award Agreement is silent as to the form of payment, payment of the SAR may only be in Shares. 

(e) SAR Agreement. Each SAR grant shall be evidenced by an Award Agreement that shall specify the exercise price,
the term of the SAR, the conditions of exercise, whether it may be settled in cash, Shares or a combination thereof, and such other terms and conditions as the Administrator, in its sole discretion, shall determine. 

(f) Expiration of SARs. A SAR granted under the Plan shall expire upon the date determined by the Administrator,
in its sole discretion, and set forth in the Award Agreement. 
 9. Exercise of Option or SAR. 

(a) Procedure for Exercise; Rights as a Shareholder. Any Option or SAR granted hereunder shall be
exercisable at such times and under such conditions as determined by the Administrator, including performance criteria with respect to the Company and/or the Participant, and as shall be permissible under the terms of the Plan. 

An Option or SAR may not be exercised for a fraction of a Share. 

An Option or SAR shall be deemed to be exercised when written notice of such exercise has been given to the Company in
accordance with the terms of the Option or SAR by the person entitled to exercise the Option or SAR and, with respect to Options only, full payment for the Shares with respect to which the Option is exercised has been received by the Company. With
respect to Options only, full payment may, as authorized by the Administrator, consist of any consideration and method of payment allowable under Section 7(d) of the Plan. Until the issuance (as evidenced by the appropriate entry on the
books of the Company or of a duly authorized transfer agent of the Company) of the stock certificate evidencing such Shares, no right to vote or receive dividends or any other rights as a shareholder shall exist with respect to the Optioned
Stock, notwithstanding the exercise of the Option. No adjustment will be made for a dividend or other right for which the record date is prior to the date the stock certificate is issued, except as provided in Section 19 of the Plan.

  
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 (b) Termination of Status as a Service Provider. If a
Participant ceases to serve as a Service Provider, other than upon their death or Disability, he or she may, but only within 90 days (or such other period of time as is determined by the Administrator and as set forth in the Option or SAR
Agreement) after the date he or she ceases to be a Service Provider, exercise his or her Option or SAR to the extent that he or she was entitled to exercise it at the date of such termination. To the extent that he or she was not entitled to
exercise the Option or SAR at the date of such termination, or if he or she does not exercise such Option or SAR (which he or she was entitled to exercise) within the time specified herein, the Option or SAR shall terminate. 

(c) Disability. If a Participant ceases to be a Service Provider as a result of the Participant’s Disability,
the Participant may exercise his or her Option or SAR within such period of time as is specified in the Award Agreement to the extent the Option or SAR is vested on the date of termination (but in no event later than the expiration of the term of
such Option or SAR as set forth in the Award Agreement). In the absence of a specified time in the Award Agreement, the Option or SAR shall remain exercisable for twelve (12) months following the Participant’s termination. If, on the date
of termination, the Participant is not vested as to his or her entire Option or SAR, the Shares covered by the unvested portion of the Option or SAR shall revert to the Plan. If, after termination, the Participant does not exercise his or her Option
or SAR within the time specified herein, the Option or SAR shall terminate, and the Shares covered by such Option or SAR shall revert to the Plan. 
 (d) Death of Participant. If a Participant dies while a Service Provider, the Option or SAR may be exercised following the Participant’s death within such period of time as is specified in the
Award Agreement (but in no event may the option be exercised later than the expiration of the term set forth in the Award Agreement), by the Participant’s designated beneficiary, provided such beneficiary has been designated prior to
Participant’s death in a form acceptable to the Administrator. If no such beneficiary has been designated by the Participant, then such Option or SAR may be exercised by the personal representative of the Participant’s estate or by the
person(s) to whom the Option or SAR is transferred pursuant to the Participant’s will or in accordance with the laws of descent and distribution. In the absence of a specified time in the Award Agreement, the Option or SAR shall remain
exercisable for twelve (12) months following Participant’s death. If the Option or SAR is not so exercised within the time specified herein, the Option or SAR shall terminate, and the Shares covered by such Option or SAR shall revert to
the Plan. 
 10. Automatic Grants to Outside Directors. The Board or a Committee thereof may institute, by resolution,
automatic Award grants to new and to continuing members of the Board, with the number and type of such Awards, with such terms and conditions, and based upon such criteria, if any, as is determined by the Board or its Committee, in their sole
discretion. 
 11. Restricted Stock. 

(a) Grant of Restricted Stock. Subject to the terms and conditions of the Plan, Restricted Stock may be granted to
Participants at any time as shall be determined by the Administrator, in its sole discretion. Subject to Section 6(b) hereof, the Administrator shall have 

  
 -13-

 
complete discretion to determine (i) the number of Shares subject to a Restricted Stock award granted to any Participant, and (ii) the conditions that must be satisfied, which typically
will be based principally or solely on continued provision of services but may include a performance-based component, upon which is conditioned the grant, vesting or issuance of Restricted Stock. 

(b) Other Terms. The Administrator, subject to the provisions of the Plan, shall have complete discretion to
determine the terms and conditions of Restricted Stock granted under the Plan; provided that Restricted Stock may only be issued in the form of Shares. Restricted Stock grants shall be subject to the terms, conditions, and restrictions determined by
the Administrator at the time the stock or the restricted stock unit is awarded. The Administrator may require the recipient to sign a Restricted Stock Award agreement as a condition of the award. Any certificates representing the Shares of stock
awarded shall bear such legends as shall be determined by the Administrator. 
 (c) Restricted Stock Award
Agreement. Each Restricted Stock grant shall be evidenced by an agreement that shall specify the purchase price (if any) and such other terms and conditions as the Administrator, in its sole discretion, shall determine; provided; however, that
if the Restricted Stock grant has a purchase price, such purchase price must be paid no more than ten (10) years following the date of grant. 
 12. Restricted Stock Units. 
 (a) Grant. Restricted
Stock Units may be granted at any time and from time to time as determined by the Administrator. After the Administrator determines that it will grant Restricted Stock Units under the Plan, it shall advise the Participant in writing or
electronically of the terms, conditions, and restrictions related to the grant, including the number of Restricted Stock Units and the form of payout, which, subject to Section 6(b) hereof, may be left to the discretion of the Administrator.

 (b) Vesting Criteria and Other Terms. The Administrator shall set vesting criteria in its discretion,
which, depending on the extent to which the criteria are met, will determine the number of Restricted Stock Units that will be paid out to the Participant. The Administrator may set vesting criteria based upon the achievement of Company-wide,
business unit, or individual goals (including, but not limited to, continued employment), or any other basis determined by the Administrator in its discretion. 
 (c) Earning Restricted Stock Units. Upon meeting the applicable vesting criteria, the Participant shall be entitled to receive a payout as specified in the Restricted Stock Unit Award Agreement.
Notwithstanding the foregoing, at any time after the grant of Restricted Stock Units, the Administrator, in its sole discretion, may reduce or waive any vesting criteria that must be met to receive a payout. 

(d) Form and Timing of Payment. Payment of earned Restricted Stock Units shall be made as soon as practicable
after the date(s) set forth in the Restricted Stock Unit Award Agreement. The Administrator, in its sole discretion, but only as specified in the Award Agreement, may pay earned Restricted Stock Units in cash, Shares, or a combination thereof. If

  
 -14-

 
the Award Agreement is silent as to the form of payment, payment of the Restricted Stock Units may only be in Shares. 

(e) Cancellation. On the date set forth in the Restricted Stock Unit Award Agreement, all unearned Restricted
Stock Units shall be forfeited to the Company. 
 13. Performance Shares. 

(a) Grant of Performance Shares. Subject to the terms and conditions of the Plan, Performance Shares may be
granted to Participants at any time as shall be determined by the Administrator, in its sole discretion. Subject to Section 6(b) hereof, the Administrator shall have complete discretion to determine (i) the number of Shares subject to a
Performance Share award granted to any Participant, and (ii) the conditions that must be satisfied, which typically will be based principally or solely on achievement of performance milestones but may include a service-based component, upon
which is conditioned the grant or vesting of Performance Shares. Performance Shares shall be granted in the form of units to acquire Shares. Each such unit shall be the equivalent of one Share for purposes of determining the number of Shares subject
to an Award. Until the Shares are issued, no right to vote or receive dividends or any other rights as a stockholder shall exist with respect to the units to acquire Shares. 

(b) Other Terms. The Administrator, subject to the provisions of the Plan, shall have complete discretion to
determine the terms and conditions of Performance Shares granted under the Plan. Performance Share grants shall be subject to the terms, conditions, and restrictions determined by the Administrator at the time the stock is awarded, which may include
such performance-based milestones as are determined appropriate by the Administrator. The Administrator may require the recipient to sign a Performance Shares Award Agreement as a condition of the award. Any certificates representing the Shares of
stock awarded shall bear such legends as shall be determined by the Administrator. 
 (c) Performance Share
Award Agreement. Each Performance Share grant shall be evidenced by an Award Agreement that shall specify such other terms and conditions as the Administrator, in its sole discretion, shall determine. 

14. Performance Units. 
 (a) Grant of Performance Units. Performance Units are similar to Performance Shares, except that they shall be settled in a cash equivalent to the Fair Market Value of the underlying Shares,
determined as of the vesting date. Subject to the terms and conditions of the Plan, Performance Units may be granted to Participants at any time and from time to time as shall be determined by the Administrator, in its sole discretion. The
Administrator shall have complete discretion to determine the conditions that must be satisfied, which typically will be based principally or solely on achievement of performance milestones but may include a service-based component, upon which is
conditioned the grant or vesting of Performance Units. Performance Units shall be granted in the form of units to acquire Shares. Each such unit shall be the cash equivalent of one Share of Common Stock. No right to vote or receive dividends or

  
 -15-

 
any other rights as a stockholder shall exist with respect to Performance Units or the cash payable thereunder. 

(b) Number of Performance Units. Subject to Section 6(c) hereof, the Administrator will have complete
discretion in determining the number of Performance Units granted to any Participant. 
 (c) Other Terms.
The Administrator, subject to the provisions of the Plan, shall have complete discretion to determine the terms and conditions of Performance Units granted under the Plan. Performance Unit grants shall be subject to the terms, conditions, and
restrictions determined by the Administrator at the time the grant is awarded, which may include such performance-based milestones as are determined appropriate by the Administrator. The Administrator may require the recipient to sign a Performance
Unit agreement as a condition of the award. Any certificates representing the units awarded shall bear such legends as shall be determined by the Administrator. 

(d) Performance Unit Award Agreement. Each Performance Unit grant shall be evidenced by an agreement that shall
specify such terms and conditions as the Administrator, in its sole discretion, shall determine. 
 15. Deferred Stock
Units. 
 (a) Description. Deferred Stock Units shall consist of a Restricted Stock, Restricted Stock
Unit, Performance Share or Performance Unit Award that the Administrator, in its sole discretion permits to be paid out in installments or on a deferred basis, in accordance with rules and procedures established by the Administrator. Deferred Stock
Units shall remain subject to the claims of the Company’s general creditors until distributed to the Participant. 
 (b) 162(m) Limits. Deferred Stock Units shall be subject to the annual 162(m) limits applicable to the underlying Restricted Stock, Restricted Stock Unit, Performance Share or Performance Unit
Award as set forth in Section 6 hereof. 
 16. Leaves of Absence. Unless the Administrator provides otherwise or as
otherwise required by Applicable Laws, vesting of Awards granted hereunder shall cease commencing on the first day of any unpaid leave of absence and shall only recommence upon return to active service. 

17. Part-Time Service. Unless otherwise required by Applicable Laws, if as a condition to being permitted to work on a less than
full-time basis, the Participant agrees that any service-based vesting of Awards granted hereunder shall be extended on a proportionate basis in connection with such transition to a less than a full-time basis, vesting shall be adjusted in
accordance with such agreement. Such vesting shall be proportionately re-adjusted prospectively in the event that the Employee subsequently becomes regularly scheduled to work additional hours of service. 

  
 -16-

 18. Non-Transferability of Awards. Except as determined otherwise by the
Administrator in its sole discretion (but never a transfer in exchange for value), Awards may not be sold, pledged, assigned, hypothecated, transferred, or disposed of in any manner other than by will or by the laws of descent or distribution and
may be exercised, during the lifetime of the Participant, only by the Participant, without the prior written consent of the Administrator. If the Administrator makes an Award transferable, such Award shall contain such additional terms and
conditions as the Administrator deems appropriate. 
 19. Adjustments Upon Changes in Capitalization,
Dissolution, Merger or Change in Control. 
 (a) Changes in Capitalization. Subject to any required
action by the shareholders of the Company, the number of shares of Common Stock covered by each outstanding Award, and the number of shares of Common Stock which have been authorized for issuance under the Plan but as to which no Awards have yet
been granted or which have been returned to the Plan upon cancellation or expiration of an Award, as well as the price per share of Common Stock covered by each such outstanding Award and the annual share limitations under Sections 6(a) and
(b) hereof, shall be proportionately adjusted for any increase or decrease in the number of issued shares of Common Stock resulting from a stock split, reverse stock split, stock dividend, combination or reclassification of the Common Stock, or
any other increase or decrease in the number of issued shares of Common Stock effected without receipt of consideration by the Company; provided, however, that conversion of any convertible securities of the Company shall not be deemed to have been
“effected without receipt of consideration.” Such adjustment shall be made by the Board, whose determination in that respect shall be final, binding and conclusive. Except as expressly provided herein, no issuance by the Company of shares
of stock of any class, or securities convertible into shares of stock of any class, shall affect, and no adjustment by reason thereof shall be made with respect to, the number or price of shares of Common Stock subject to an Award. 

(b) Dissolution or Liquidation. In the event of the proposed dissolution or liquidation of the Company, the
Administrator shall notify each Participant as soon as practicable prior to the effective date of such proposed transaction. The Administrator in its discretion may provide for a Participant to have the right to exercise his or her Option or SAR
until ten (10) days prior to such transaction as to all of the Awarded Stock covered thereby, including Shares as to which the Award would not otherwise be exercisable. In addition, the Administrator may provide that any Company repurchase
option or forfeiture rights applicable to any Award shall lapse 100%, and that any Award vesting shall accelerate 100%, provided the proposed dissolution or liquidation takes place at the time and in the manner contemplated. To the extent it has not
been previously exercised (with respect to Options and SARs) or vested (with respect to other Awards), an Award will terminate immediately prior to the consummation of such proposed action. 

(c) Merger or Change in Control. In the event of a merger or Change in Control, each outstanding Award will be
treated as the Administrator determines, including, without limitation, that each Award be assumed or an equivalent option or right substituted by the successor corporation or a Parent or Subsidiary of the successor corporation. The Administrator
will not be required to treat all Awards similarly in the transaction. 

  
 -17-

 In the event that the successor corporation does not assume or substitute
for the Award, the Participant will fully vest in and have the right to exercise all of his or her outstanding Options and Stock Appreciation Rights, including Shares as to which such Awards would not otherwise be vested or exercisable, all
restrictions on Restricted Stock and Restricted Stock Units will lapse, and, with respect to Awards with performance-based vesting, all performance goals or other vesting criteria will be deemed achieved at one hundred percent (100%) of target
levels and all other terms and conditions met. In addition, if an Option or Stock Appreciation Right is not assumed or substituted in the event of a Change in Control, the Administrator will notify the Participant in writing or electronically that
the Option or Stock Appreciation Right will be exercisable for a period of time determined by the Administrator in its sole discretion, and the Option or Stock Appreciation Right will terminate upon the expiration of such period. 

For the purposes of this subsection (c), an Award will be considered assumed if, following the Change in Control, the
Award confers the right to purchase or receive, for each Share subject to the Award immediately prior to the Change in Control, the consideration (whether stock, cash, or other securities or property) received in the Change in Control by holders of
Common Stock for each Share held on the effective date of the transaction (and if holders were offered a choice of consideration, the type of consideration chosen by the holders of a majority of the outstanding Shares); provided, however, that if
such consideration received in the Change in Control is not solely common stock of the successor corporation or its Parent, the Administrator may, with the consent of the successor corporation, provide for the consideration to be received upon the
exercise of an Option or Stock Appreciation Right or upon the payout of a Restricted Stock Unit, Performance Unit or Performance Share, for each Share subject to such Award, to be solely common stock of the successor corporation or its Parent equal
in fair market value to the per share consideration received by holders of Common Stock in the Change in Control. 
 Notwithstanding anything in this Section 19(c) to the contrary, an Award that vests, is earned or paid-out upon the satisfaction of one or more performance goals will not be considered assumed if the
Company or its successor modifies any of such performance goals without the Participant’s consent; provided, however, a modification to such performance goals only to reflect the successor corporation’s post-Change in Control corporate
structure will not be deemed to invalidate an otherwise valid Award assumption. 
 (d) Outside Director
Awards. With respect to Awards granted to an Outside Director that are assumed or substituted for in a Change in Control or merger, if on the date of or following such assumption or substitution the Participant’s status as a Director or a
director of the successor corporation, as applicable, is terminated other than upon a voluntary resignation by the Participant (unless such voluntary resignation is at the request of the acquirer), then the Outside Director will immediately vest
100% in all such Awards. 
 20. Time of Granting Awards. The date of grant of an Award shall, for all
purposes, be the date on which the Administrator makes the determination granting such Award or such later date as is specified by the Administrator. Notice of the determination shall be given to each

  
 -18-

 
Employee or Consultant to whom an Award is so granted within a reasonable time after the date of such grant. 
 21. Term of Plan. The Plan shall continue in effect until ten years from the date of its initial adoption by the Board. 
 22. Amendment and Termination of the Plan. 
 (a) Amendment and Termination. The Board may at any time amend, alter, suspend or terminate the Plan. 
 (b) Shareholder Approval. The Company shall obtain shareholder approval of any Plan amendment to the extent necessary and desirable to comply with Rule 16b-3 or with Section 422 of the Code
(or any successor rule or statute or other applicable law, rule or regulation, including the requirements of any exchange or quotation system on which the Common Stock is listed or quoted). Such shareholder approval, if required, shall be obtained
in such a manner and to such a degree as is required by the applicable law, rule or regulation. 
 (c)
Effect of Amendment or Termination. No amendment, alteration, suspension or termination of the Plan shall impair the rights of any Participant, unless mutually agreed otherwise between the Participant and the
Administrator, which agreement must be in writing and signed by the Participant and the Company. 
 23.
Conditions Upon Issuance of Shares. Shares shall not be issued pursuant to the exercise of an Option unless the exercise of such Option and the issuance and delivery of such Shares pursuant thereto shall comply with all
relevant provisions of law, including, without limitation, the Securities Act, the Exchange Act, the rules and regulations promulgated thereunder, state securities laws, and the requirements of any stock exchange upon which the Shares may then be
listed, and shall be further subject to the approval of counsel for the Company with respect to such compliance. 
 As a condition to the exercise or payout, as applicable, of an Award, the Company may require the person exercising such Option or SAR, or in the case of another Award (other than a Dividend Equivalent or
Performance Unit), the person receiving the Shares upon vesting, to render to the Company a written statement containing such representations and warranties as, in the opinion of counsel for the Company, may be required to ensure compliance with any
of the aforementioned relevant provisions of law, including a representation 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. 
 24. Reservation of Shares. The Company, during the term of this Plan,
will at all times reserve and keep available such number of Shares as shall be sufficient to satisfy the requirements of the Plan. Inability of the Company to obtain authority from any regulatory body having jurisdiction, which authority is deemed
by the Company’s counsel to be necessary to the lawful issuance and sale of any Shares hereunder, shall relieve the Company of any liability in 

  
 -19-

 
respect of the failure to issue or sell such Shares as to which such requisite authority shall not have been obtained. 
 25. Section 409A Compliance. Awards granted hereunder are intended to comply with the requirements of Section 409A of the Code to the extent Section 409A of the Code applies to such
Awards, and any ambiguities in this Plan or Awards granted hereunder will be interpreted to so comply. The terms of the Plan and any Award granted under the Plan shall be interpreted, operated and administered in a manner consistent with the
foregoing intention to the extent the Administrator deems necessary or advisable in its sole discretion. Notwithstanding any other provision in the Plan, the Administrator, to the extent it unilaterally deems necessary or advisable in its sole
discretion, reserves the right, but shall not be required, to amend or modify the Plan and any Award granted under the Plan so that the Award qualifies for exemption from or complies with Section 409A of the Code; provided, however, that the
Company makes no representation that the Awards granted under the Plan shall be exempt from or comply with Section 409A of the Code and makes no undertaking to preclude Section 409A of the Code from applying to Awards granted under the
Plan. 
 26. Dodd-Frank Clawback. In the event that the Company is required to restate its audited financial statements
due to material noncompliance with any financial reporting requirement under the securities laws, each current or former executive officer Participant shall be required to immediately repay the Company any compensation they received pursuant to
Awards hereunder during the three-year period preceding the date upon which the Company is required to prepare the restatement that is in excess of what would have been paid to the executive officer Participant under the restated financial
statement, in accordance with Section 10D of the Exchange Act and any rules promulgated thereunder. Any amount required to be repaid hereunder shall be determined by the Board or its Committee in its sole discretion, unless otherwise required
by Applicable Laws, and shall be binding on all current and former executive officer Participants. 

  
 -20-

 SERVICESOURCE INTERNATIONAL, INC. 

2011 EQUITY INCENTIVE PLAN 
 STOCK OPTION AGREEMENT 
 Unless otherwise defined herein,
the terms defined in the ServiceSource International, Inc. 2011 Equity Incentive Plan (the “Plan”) shall have the same defined meanings in this Stock Option Agreement (the “Option Agreement”). 

 

	I.	 NOTICE OF GRANT 

 [Optionee’s Name and Address] 
 You have been granted an
option to purchase Common Stock of the Company, subject to the terms and conditions of the Plan and this Option Agreement, as follows: 
  

							
	Grant Number	 	 	 	
			
	Grant Date	 	 	 	
			
	Vesting Commencement Date	 	 	 	
				
	Exercise Price per Share	 	$	 	 	 	
			
	Total Number of Shares Granted	 	 	 	
				
	Total Exercise Price	 	$	 	 	 	
			
	Type of Option:	 	Nonstatutory Stock Option	 	
			
	Term/Expiration Date:	 	10 Years From the Grant Date	 	

 Vesting Schedule: 

Subject to accelerated vesting as set forth in duly authorized written agreements by and between Optionee and the
Company, this Option may be exercised, in whole or in part, in accordance with the following schedule: 

[Insert Vesting Schedule] 
  

	II.	 AGREEMENT 

  

	 	1.	 Grant of Option. 

 The Company hereby grants to the Optionee (the “Optionee”) named
in the Notice of Grant section of this Agreement (the “Notice of Grant”), an option (the “Option”) to purchase the number of Shares set forth in the Notice of Grant, at the exercise price per share set forth in the Notice of
Grant (the “Exercise Price”), subject to the terms and conditions of the Plan (which is incorporated herein by reference) and this Option Agreement. In the event of a conflict between the terms and conditions of the Plan and the terms and
conditions of this Option Agreement, the terms and conditions of the Plan shall prevail. 
  

	 	2.	 Exercise of Option. 

 (a) Right to Exercise. This Option is exercisable during its term in accordance with the Vesting Schedule set out in the Notice of Grant and the applicable provisions of the Plan and this Option
Agreement, subject to Optionee’s remaining a Service Provider on each vesting date. 
 (b)
Post-Termination Exercise Period. If Optionee ceases to be a Service Provider, then this Option may be exercised, but only to the extent vested on the date of such cessation as a Service Provider, until the earlier of (i) ninety days
after the date upon which Optionee ceases to be a Service Provider, or (ii) the original ten-year Option term. 
 (c) Method of Exercise. This option may be exercised with respect to all or any part of any vested Shares by giving the Company or any stock option plan administrator designated by the Company
written or electronic notice of such exercise, in the form designated by the Company or the Company’s designated third-party stock option plan administrator, specifying the number of shares as to which this option is exercised and accompanied
by payment of the aggregate Exercise Price as to all exercised shares. 
 This Option shall be deemed to be
exercised upon receipt by the Company or any third-party stock option plan administrator designated by the Company of such fully executed exercise notice accompanied by such aggregate Exercise Price. 

No Shares shall be issued pursuant to the exercise of this Option unless such issuance and exercise complies with
applicable laws. Assuming such compliance, for income tax purposes the exercised shares shall be considered transferred to the Optionee on the date the Option is exercised with respect to such exercised shares. 

(d) Payment of Exercise Price. Payment of the aggregate exercise price shall be by any of the following, or a
combination thereof, at the election of the Optionee: 
 (i) cash; or 

(ii) check; or 
 (iii) delivery of a properly executed exercise notice together with such other documentation as the Administrator and a broker, if applicable, shall require to effect an exercise of the Option and
delivery to the Company of the sale proceeds required to pay the exercise price. 
  

	 	3.	 Non-Transferability of Option. 

 This Option may not be transferred in any manner otherwise than by will or
by the laws of descent or distribution and may be exercised during the lifetime of Optionee only by the Optionee. The terms of the Plan and this Option Agreement shall be binding upon the executors, administrators, heirs, successors and assigns of
the Optionee. 
  

	 	4.	 Term of Option. 

 This Option may be exercised only within the term set out in the Notice of Grant, and may be exercised during such term only in accordance with the Plan and the terms of this Option Agreement. 

 

	 	5.	 Tax Consequences. 

 Some of the federal tax consequences relating to this Option, as of the date of this Option, are set forth below. THIS SUMMARY IS NECESSARILY INCOMPLETE, AND THE TAX LAWS AND REGULATIONS ARE SUBJECT TO
CHANGE. THE OPTIONEE SHOULD CONSULT A TAX ADVISER BEFORE EXERCISING THIS OPTION OR DISPOSING OF THE SHARES. 

(a) Exercising the Option. The Optionee may incur regular federal income tax liability upon exercise of a
Nonstatutory Stock Option. The Optionee will be treated as having received compensation income (taxable at ordinary income tax rates) equal to the excess, if any, of the fair market value of the exercised shares on the date of exercise over their
aggregate Exercise Price. If the Optionee is an Employee or a former Employee, the Company will be required to withhold from his or her compensation or collect from Optionee and pay to the applicable taxing authorities an amount in cash equal to a
percentage of this compensation income at the time of exercise, and may refuse to honor the exercise and refuse to deliver Shares if such withholding amounts are not delivered at the time of exercise. 

(b) Disposition of Shares. If the Optionee holds NSO Shares for at least one year, any gain realized on
disposition of the Shares will be treated as long-term capital gain for federal income tax purposes. 
  

	 	6.	 Entire Agreement; Governing Law. 

 The Plan is incorporated herein by reference. The Plan and this Option Agreement constitute the entire agreement of the parties with respect to the subject matter hereof and supersede in their entirety
all prior undertakings and agreements of the Company and Optionee with respect to the subject matter hereof, and may not be modified adversely to the Optionee’s interest except by means of a writing signed by the Company and Optionee. This
agreement is governed by the internal substantive laws, but not the choice of law rules, of California. 
 By
your signature and the signature of the Company’s representative below, you and the Company agree that this Option is granted under and governed by the terms and conditions of the Plan and this Option Agreement. Optionee has reviewed the Plan
and this Option Agreement in their entirety, has had an opportunity to obtain the advice of counsel prior to executing this Agreement and fully understands all provisions of the Plan and this Option Agreement. Optionee hereby agrees to accept as
binding, conclusive and final all decisions or interpretations of the 

 
Administrator upon any questions relating to the Plan and Option Agreement. Optionee further agrees to notify the Company upon any change in the residence address indicated below. 

 

					
	OPTIONEE:	 		 	SERVICESOURCE INTERNATIONAL, INC.
			
	  	 		 	  
	Signature	 		 	By
			
	  	 		 	  
	Print Name	 		 	Title
			
	  	 		 	 
	Residence Address	 		 	

  
  

 SERVICESOURCE INTERNATIONAL, INC. 

2011 EQUITY INCENTIVE PLAN 
 RESTRICTED STOCK UNIT AWARD AGREEMENT 
 Unless otherwise
defined herein, the terms defined in the ServiceSource International, Inc. 2011 Equity Incentive Plan (the “Plan”) shall have the same defined meanings in this Restricted Stock Unit Award Agreement (the “Agreement”). 

 

	I.	 NOTICE OF GRANT OF RESTRICTED STOCK UNIT 

Name: __________________________________ 

You have been granted an Award of Restricted Stock Units (“RSUs”), subject to the terms and conditions of the
Plan and this Agreement, as follows: 
 Date of Grant: 

Total Number of RSUs Granted: ________________________ 

Vesting Schedule: The RSUs awarded by this Agreement shall vest in accordance with the following schedule: 

[INSERT VESTING SCHEDULE] 
  

	II.	 AGREEMENT 

 1. Grant of Restricted Stock Unit. The Company hereby grants to the Participant named in the Notice of the Grant of Restricted Stock Units attached as Part I of this Agreement (“Notice of
Grant”) an award of RSUs, as set forth in the Notice of Grant and subject to the terms and conditions in this Agreement and the Plan. 
 2. Company’s Obligation. Each RSU represents the right to receive a Share on the vesting date. Unless and until the RSUs vest, the Participant will have no right to receive Shares under such
RSUs. Prior to actual distribution of Shares pursuant to any vested RSUs, such RSUs will represent an unsecured obligation of the Company, payable (if at all) only from the general assets of the Company. 

3. Vesting Schedule. The RSUs awarded by this Agreement will vest in the Participant according to the vesting
schedule specified in the Notice of Grant. 
 4. Forfeiture upon Termination as Employee, Director or
Consultant. Notwithstanding any contrary provision of this Agreement or the Notice of Grant, if the Participant terminates as a Service Provider for any or no reason prior to vesting, the unvested RSUs awarded by this Agreement will thereupon be
forfeited at no cost to the Company. 

 5. Payment after Vesting. Any RSUs that vest in accordance with
paragraph 3 will be paid to the Participant (or in the event of the Participant’s death, to his or her estate) in Shares, provided that to the extent determined appropriate by the Company, the minimum statutorily required federal, state and
local withholding taxes with respect to such RSUs will be paid by reducing the number of vested RSUs actually paid to the Participant. 
 6. Payments after Death. Any distribution or delivery to be made to the Participant under this Agreement will, if the Participant is then deceased, be made to the administrator or executor of the
Participant’s estate. Any such administrator or executor must furnish the Company with (a) written notice of his or her status as transferee, and (b) evidence satisfactory to the Company to establish the validity of the transfer and
compliance with any laws or regulations pertaining to said transfer. 
 7. Rights as Stockholder. Neither
the Participant nor any person claiming under or through the Participant will have any of the rights or privileges of a stockholder of the Company in respect of any Shares deliverable hereunder unless and until certificates representing such Shares
will have been issued, recorded on the records of the Company or its transfer agents or registrars, and delivered to the Participant or Participant’s broker. 

8. No Effect on Employment. The Participant’s employment with the Company and its Subsidiaries is on an
at-will basis only. Accordingly, the terms of the Participant’s employment with the Company and its Subsidiaries will be determined from time to time by the Company or the Subsidiary employing the Participant (as the case may be), and the
Company or the Subsidiary will have the right, which is hereby expressly reserved, to terminate or change the terms of the employment of the Participant at any time for any reason whatsoever, with or without good cause or notice. 

9. Grant is Not Transferable. Except to the limited extent provided in paragraph 6, this grant and the rights and
privileges conferred hereby will not be transferred, assigned, pledged or hypothecated in any way (whether by operation of law or otherwise) and will not be subject to sale under execution, attachment or similar process. Upon any attempt to
transfer, assign, pledge, hypothecate or otherwise dispose of this grant, or any right or privilege conferred hereby, or upon any attempted sale under any execution, attachment or similar process, this grant and the rights and privileges conferred
hereby immediately will become null and void. 
 10. Binding Agreement. Subject to the limitation on the
transferability of this grant contained herein, this Agreement will be binding upon and inure to the benefit of the heirs, legatees, legal representatives, successors and assigns of the parties hereto. 

11. Additional Conditions to Issuance of Stock. 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 the Participant (or his or her 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.
The Company will make all reasonable efforts to meet the requirements of any such state or federal law or securities exchange and to obtain any such consent or approval of any such governmental authority. 

 12. Plan Governs. This Agreement and the Notice of Grant are subject
to all terms and provisions of the Plan. In the event of a conflict between one or more provisions of this Agreement or the Notice of Grant and one or more provisions of the Plan, the provisions of the Plan will govern. 

 By your signature and the signature of the Company’s representative
below, you and the Company agree that this Award is granted under and governed by the terms and conditions of the Plan and this Agreement. Participant has reviewed the Plan and this Agreement in their entirety, has had an opportunity to obtain the
advice of counsel prior to executing this Agreement and fully understands all provisions of the Plan and this Agreement. Participant hereby agrees to accept as binding, conclusive and final all decisions or interpretations of the Administrator upon
any questions relating to the Plan and this Agreement. Participant further agrees to notify the Company upon any change in the residence address indicated below. 
  

									
	PARTICIPANT:	 		 	SERVICESOURCE INTERNATIONAL, INC.
				
	 	 		 	By: 	 	 
	Signature	 		 		 	
				
	 	 		 	Title: 	 	 
	Print Name	 		 		 	
					
	Date: 	 	 	 		 	Date: 	 	 
		 		 		 		 	
				
	 	 		 		 	
	Residence AddressAmended and Restated Employment and Confidential Agreement - Michael A. Smerklo

 Exhibit 10.5 
 AMENDED AND RESTATED 
 EMPLOYMENT AND CONFIDENTIAL INFORMATION AGREEMENT

 In consideration for the continuing employment by ServiceSource International, LLC
(“ServiceSource” or the “Company”) of Michael Smerklo (“Employee”), ServiceSource and Employee acknowledge and agree as follows: 
 1.    EMPLOYMENT TERMS AND CONDITIONS. ServiceSource hereby employs Employee, and Employee hereby accepts employment with ServiceSource upon all of the terms and conditions
described in this amended and restated Employment Agreement (this “Agreement”), which replaces and supersedes in its entirety the employment agreement previously entered into by and between Employee and the Company (the “Original
Agreement”). 
 2.    DUTIES. 

a.     Responsibilities. Employee’s position is CEO, reporting to the ServiceSource Board
of Directors (“Board”). Employee shall be responsible for and expected to perform all duties and tasks incident to his positions and as designated from time to time by the Board. 

b.    Loyal and Full Time Performance of Duties. While employed by ServiceSource, Employee
shall not directly or indirectly, engage in any Competitive Activity. For the purpose of this Agreement, “Competitive Activity” is any activity which is the same as or competitive with any activity engaged in by ServiceSource, during
Employee’s employment by the Company. Competitive Activities may include, but are not necessarily limited to, the provision of (a) outsourced sales and/or marketing services and (b) consulting services for a client with respect to
sales and marketing aimed at such client’s installed base of users, where such clients are companies that compete in the industries in which the Company’s current customers and the Company’s prospective customers are engaged,
including, without limitation, manufacturing and sales and distribution companies in the following industries: 

(A)    Information technology hardware (such as laptops, desktops, work stations, servers,
mainframes, networking equipment, storage equipment, point of sale equipment, ATMs, handheld devices, electronic appliances, printing/imaging devices and other peripheral devices); 

(B)    Computer software; 

(C)    Telecommunications equipment (both wireless and wireline); 

(D)    Medical equipment and devices; 

(E)    Test and measurement equipment; 

(F)    Recording systems; and 

 (G) Data security and data management services 

c.    ServiceSource Policies. Employee agrees to abide by ServiceSource’s rules,
regulations, policies and practices, written and unwritten, as they may from time to time be adopted or modified by ServiceSource at its sole discretion. ServiceSource’s written rules, policies, practices and procedures shall be binding on
Employee unless superseded by or in conflict with this Agreement. 
 3.    EMPLOYMENT
AT-WILL. Employee and ServiceSource acknowledge and agree that during employee’s employment with ServiceSource the parties intend to strictly maintain an at-will employment relationship. This means that at any time during the course of
Employee’s employment with ServiceSource, Employee is entitled to resign with or without cause and with or without advance notice. Similarly, ServiceSource specifically reserves the same right to terminate Employee’s employment at any time
with or without cause and with or without advance notice. Nothing in this Agreement or the relationship between the parties now or in the future may be construed or interpreted to create an employment relationship for a specific length of time or a
right to continued employment. Employee and ServiceSource understand and agree that only ServiceSource’s Board possesses the authority to alter the at-will nature of Employee’s employment status and that any such change may be made only by
an express written employment contract signed by an authorized member of ServiceSource’s Board. No implied contract concerning any employment-related decision or term or condition of employment can be established by any other statement,
conduct, policy or practice. 
 4.    COMPENSATION. In consideration for the services
and covenants described in this Agreement, ServiceSource agrees to pay Employee an annualized base salary of four hundred ten thousand dollars ($410,000), payable on a semi-monthly basis. In addition, Employee will be eligible for an on target bonus
figure of two hundred thousand dollars ($200,000) per annum, with the terms and conditions for such bonus to be set forth in Employee’s annual Variable Compensation Plan. This bonus is discretionary, not guaranteed, and Employee must be
employed as of the scheduled bonus payment date in order to be eligible to receive it. Employee’s salary and bonus target will be reviewed annually and may be adjusted as approved by the Board. 

5.    EMPLOYEE’S SHARE OPTION. Subject to (a) the terms of the ServiceSource
International, LLC 2004 Omnibus Share Plan, as amended (the “Plan”) and (b) the terms of Employee’s Option Agreement, Employee has been granted, in connection with the Original Agreement, an option under the Plan to purchase up
to one-million, eight-hundred-thousand (1,800,000) of the Company’s Common Shares at a price of $4.26 (Four Dollars and Twenty Six Cents) per share. Subject to the terms and conditions of the Plan and Option Agreement, these shares will
have a four year vesting schedule, beginning as of January 1, 2007, whereby 25% will vest on January 1, 2008, and the remaining shares will vest monthly thereafter at the rate of 2.083% per month until either the option is fully
vested or Employee’s continuous Service ends, whichever occurs first. Employee was granted an additional option in 2010. 
 6.    BENEFITS. As a full-time employee, Employee shall be entitled to all of the benefits provided to ServiceSource executive employees, in accordance with any benefit plans or
policies adopted by ServiceSource from time to time during the existence of this Agreement. 

  
 -2-

 
Employee’s rights and those of Employee’s dependents under any such benefit policies or plans shall be governed solely by the terms of such policies or plans. ServiceSource reserves to
itself or its designated administrators exclusive authority and discretion to determine all issues of eligibility, interpretation and administration of each such benefit plan or policy. 

7.    PROPRIETARY AND CONFIDENTIAL INFORMATION (INCLUDING TRADE SECRETS). Employee
acknowledges that his/her employment with ServiceSource will allow him/her access to Proprietary and Confidential Information. Employee understands that Proprietary and Confidential Information includes customer and applicant lists, whether written
or solely a function of memory, data bases, whether on computer disc or not, business files, contracts and all other information which is used in the day-to-day operation of ServiceSource which is not known by persons not employed by the Company and
which ServiceSource undertakes efforts to maintain its secrecy. Employee understands and agrees that this is confidential information which the law treats as privileged, therefore protecting an employer from use without consent. 

a.    Definition. “Proprietary and Confidential Information” is defined as all
information and any idea in whatever form, tangible or intangible, of a confidential or secret nature that pertains in any manner to the business of ServiceSource. As used herein, the term “Confidential Information” shall include any and
all non-public information relating to the Company or its business, operations, financial affairs, performance, assets, technology, research and development, processes, products, contracts, customers, licensees, sub licensees, suppliers, personnel,
plans or prospects, whether or not in written form and whether or not expressly designated as confidential, including (without limitation) any such information consisting of or otherwise relating to trade secrets, know-how, technology (including
software and programs), designs, drawings, photographs, samples, processes, license or sublicense arrangements, formulae, proposals, product specifications, customer lists or preferences, pricing lists, referral sources, marketing or sales
techniques or plans, operating manuals, service manuals, financial information or projections, lists of suppliers or distributors or sources of supply Proprietary and Confidential Information shall include both information developed by Employee for
ServiceSource and information Employee obtained while in ServiceSource’s employment. All Proprietary and Confidential Information, whether created by Employee or other employees, shall remain the property of ServiceSource. 

b.    Non-Disclosure and Return. Employee agrees that he will not, under any circumstances, or
at any time, whether as an individual, partnership, or corporation, or employee, principal, agent, partner or shareholder thereof, in any way, either directly or indirectly, divulge, disclose, copy, use, divert or attempt to divulge, disclose, copy,
use or divert ServiceSource’s Proprietary and Confidential Information, except to the extent authorized and necessary to carry out Employee’s responsibilities during employment with ServiceSource, or as required by law. Upon termination of
Employee’s employment with ServiceSource, Employee shall immediately return to ServiceSource all property in Employee’s possession or control that belongs to ServiceSource, including all property in electronic form and all copies of
Proprietary and Confidential Information. 
 c.    Former Employer Information.
Employee agrees that Employee will not, during Employee’s employment with ServiceSource, improperly use or disclose any proprietary information or trade secrets of any former or concurrent employer or other person or entity and that the
Employee will not bring onto the premises of ServiceSource any unpublished document or 

  
 -3-

 
proprietary information belonging to any such employer, person or entity unless consented to in writing by such employer, person or entity. Employee represents and warrants to ServiceSource that
Employee is not in breach of any agreement with any former Employer because of Employee’s employment with ServiceSource. 
 d.    Third Party Information. Employee recognizes that ServiceSource may have received and in the future may continue to receive from third parties their confidential or
proprietary information as they may so designate, subject to a duty on ServiceSource’s part to maintain the confidentiality of such information and to use it only for certain limited purposes. Employee agrees to hold all such confidential or
proprietary information in the strictest confidence and not to disclose it to any person, firm or corporation or to use it except as necessary in carrying out Employee’s work for ServiceSource consistent with ServiceSource’s agreement with
such third party. 
 e.    Notification to New Employer. In the event that
Employee’s employment with ServiceSource ends, Employee consents to notification by ServiceSource to any subsequent employer, Employee’s rights and obligations under this Agreement. 

f.    No Solicitation of Clients Using Proprietary and Confidential Information. Employee
acknowledges and agrees that the names, addresses, and contact information of ServiceSource’s clients and all other confidential information relating to those clients, have been compiled by ServiceSource at great expense and represent a real
asset of ServiceSource. Employee further understands and agrees that this information is deemed confidential by ServiceSource and constitutes trade secrets of ServiceSource. Employee understands that this information has been provided to Employee in
confidence, and Employee agrees that the sale or unauthorized use or disclosure of any of ServiceSource’s trade secrets obtained by Employee during employment with ServiceSource constitutes unfair competition. Employee agrees and promises not
to engage in any unfair competition with ServiceSource. Employee further agrees not to, directly or indirectly, during or after termination of employment, make known to any person, firm, or company any information concerning any of the clients of
ServiceSource which, as Employee acknowledges, is confidential and constitutes trade secrets of ServiceSource. Nor shall Employee use any such confidential and trade secret information to solicit, take away, or attempt to call on, solicit or take
away any of the clients of ServiceSource on whom Employee called or whose accounts Employee had serviced during employment with ServiceSource, whether on Employee’s own behalf or for any other person, firm, or ServiceSource. 

g.    No Solicitation of Employees. Employee understands and acknowledges that as an employee
of ServiceSource he has certain fiduciary duties to ServiceSource which would be violated by the solicitation and/or encouragement of ServiceSource employees to leave the employ of ServiceSource. Employee therefore agrees that he will not, either
during his employment or for a period of one year after his employment has terminated, solicit any of ServiceSource’s employees for a competing business or otherwise induce or attempt to induce such employees to terminate employment with
ServiceSource. Employee agrees that any such solicitation during that period of time would constitute unfair competition. 
 h.    Assignment of Rights. All Proprietary and Confidential Information and all patents, patent rights, copyrights, trade secret rights, trademark rights and other rights
(including, 

  
 -4-

 
without limitation, intellectual property rights) owned by or otherwise belonging to ServiceSource anywhere in the world in connection therewith, is and shall be the sole property of the
ServiceSource. Employee hereby assigns to ServiceSource any and all rights, title and interest Employee may have or acquire in ServiceSource’s Proprietary and Confidential Information and ServiceSource’s property. 

At all times, both during and after Employee’s employment by ServiceSource, Employee will keep in confidence and trust and will not
use or disclose any Proprietary and Confidential Information or anything relating to it without the prior written consent of an authorized member of the Board, except as may be necessary in the ordinary course of performing Employee’s duties to
ServiceSource. 
 8.    CHANGE OF CONTROL AND TERMINATION PAYMENT. 

a.    Prior to Change of Control. If ServiceSource should terminate Employee’s employment
hereunder without “Cause” (as defined in this Section 8(a)) or Employee should terminate his employment for “Good Reason” (as defined in this Section 8(a)) within 60 days of the events constituting “Good
Reason’” then ServiceSource (xx) shall pay Employee’s earned, but not yet paid, target bonus, if any, with such amounts subject to applicable withholding for taxes and reduction on account of any amounts then owed by Employee to
ServiceSource. The foregoing targeted bonus payment is hereinafter referred to as the “Termination Payment.” For purposes of this Agreement, “Cause” shall mean the occurrence of any of the following events, as determined by
ServiceSource in its sole discretion: (i) Employee’s commission of any felony or any crime involving fraud or dishonesty under the laws of the United States or any state thereof; (ii) Employee’s commission of, or participation
in, a fraud or act of dishonesty against ServiceSource; (iii) Employee’s intentional, material violation of any contract or agreement between Employee and ServiceSource or any statutory duty owed to ServiceSource; (iv) Employee’s
unauthorized use or disclosure of Proprietary and Confidential Information; or (v) Employee’s gross misconduct. For purposes of the foregoing, “Good Reason” shall mean the occurrence of any one of the following events without
Employee’s written consent: (1) a material, adverse change in Employee’s job title; (2) a material, adverse change in Employee’s job responsibilities; (3) a reduction in Employee’s base salary, target bonus and/or
aggregate level of benefits; or (4) a relocation of Employee’s principal place of employment beyond a radius of 30 miles from the Company’s location at the time this Agreement is entered into; provided that Employee has
notified ServiceSource in writing of the event described in (1), (2) or (3) above and within 30 days thereafter ServiceSource has failed to restore Employee to the appropriate job title, responsibility, compensation or location.

 b.    Following Change of Control. If ServiceSource or a successor should
terminate Employee’s employment without Cause (as defined in Section 8(a) above) or Employee should terminate his employment for “Good Reason” (as defined in this Section 8(b)), in either ease within 12 months following a
“Change of Control” (as hereinafter defined), then (i) ServiceSource shall provide the Termination Payment to Employee (with such amount to be paid one time only, either under Section 8(a) or Section 8(b)), (ii) all of
Employee’s outstanding equity compensation awards (including, without limitation, all stock options, restricted stock, restricted stock units and any other equity compensation awards) shall immediately have their vesting accelerated 100%, so as
to become fully vested. For purposes of the foregoing, “Good Reason” shall mean the occurrence of 

  
 -5-

 
any one of the following events without Employee’s written consent: (1) a material, adverse change in Employee’s job title from that in effect immediately prior to the Change of
Control; (2) a material, adverse change in Employee’s job responsibilities from that in effect immediately prior to the Change of Control; (3) a relocation of Employee’s principal place of employment beyond a radius of 30 miles
from its location immediately prior to the Change of Control; or (4) any reduction in Employee’s base salary, target bonus or aggregate level of benefits measured against such compensation or benefits as in effect immediately prior to the
Change of Control; provided that Employee has notified ServiceSource in writing of the event described in (1), (2), (3) or (4) above and ServiceSource (or its successor) has within 30 days thereafter failed to restore Employee to
the appropriate job title, responsibility, location, compensation or benefits. For purposes of the foregoing, “Change of Control” shall mean the occurrence of one of the following events; a sale of all or substantially all of the equity
interests of ServiceSource; or a merger, consolidation or similar transaction involving ServiceSource following which the persons entitled to elect a majority of the members of the Board of Directors of ServiceSource immediately before the
transaction are not entitled to elect a majority of the members of the Board of Directors of ServiceSource or the surviving entity following the transaction, or a sale of all or substantially all of the assets of the company. 

c.    Release. All of the payments and benefits provided under
Sections 8(a) and 8(b) above are subject to Employee’s execution of a general release of all legal claims, whether known or unknown, in the form requested by ServiceSource, and such release becoming effective in accordance with its terms
within fifty-two (52) days following the termination date. No severance benefits pursuant to such sections shall be paid or provided unless and until the release becomes effective. Any severance payment to which Employee is entitled shall be
paid by the Company in cash and in full on the fifty-third (53d) day following Employee’s employment termination date or such later date as is required to avoid the imposition of additional taxes under Internal Revenue Code Section 409 A
(“Section 409A”). 
 d.    Section 409A Compliance.
Notwithstanding any provision to the contrary herein, no Deferred Compensation Separation Payments (as defined below) that become payable under this letter by reason of Employee’s termination of employment with the Company (or any successor
entity thereto) will be made unless such termination of employment constitutes a “separation from service” within the meaning of Section 409A. Further, if Employee is a “specified employee” of the Company (or any successor
entity thereto) within the meaning of Section 409A on the date of your termination of employment (other than a termination of employment due to death), then the severance payable to Employee, if any, under this letter, when considered together
with any other severance payments or separation benefits that are in each case considered deferred compensation under Section 409A (together the “Deferred Compensation Separation Payments”) that are payable within the first six
(6) months following Employee’s termination of employment, shall be delayed until the first payroll date that occurs on or after the date that is six (6) months and one (1) day after the date of Employee’s termination of
employment, when they shall be paid in full arrears. All subsequent Deferred Compensation Separation Payments, if any, will be paid in accordance with the payment schedule applicable to each payment or benefit. Notwithstanding anything herein to the
contrary, if Employee dies following Employee’s employment termination but prior to the six (6) month anniversary of his employment termination, then any payments delayed in accordance with this paragraph will be payable in a lump sum as
soon as administratively practicable 

  
 -6-

 
after the date of death and all other Deferred Compensation Separation Payments will be payable in accordance with the payment schedule applicable to each payment or benefit. Each payment and
benefit payable under this letter is intended to constitute a separate payment for purposes of Section 1.409A-2(b)(2) of the Treasury Regulations. 
 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 Employee 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 Employee under Section 409A. 

9.    SEVERABILITY. In the event that any provision of this Agreement is determined by an
arbitrator or by a court of competent jurisdiction to be illegal, invalid or unenforceable to any extent, such term or provision shall be enforced to the fullest extent permissible under the law and all remaining terms and provisions hereof shall
continue in full force and effect. 
 10.    MODIFICATION OF AGREEMENT. This
Agreement may be modified only in writing. Any such writing must specifically state that it is intended to modify the parties’ Agreement and state which specific provision or provisions this writing intends to modify. Such written modification
will only be effective if signed by an authorized member of the Board. Any attempt to modify this Agreement orally, or by a writing signed by any person other than an authorized member of the Board, or by any other means, shall be null and void.
This Agreement is intended to be the final and complete statement of the parties’ agreement concerning the legal nature of their employment relationship in any and all disputes arising from that relationship. 

11.    COMPLETE AND VOLUNTARY AGREEMENT. This Agreement and Employee’s written equity
compensation agreements with the Company constitute the entire understanding of the parties on the subject covered and supersedes in its entirety the Original Agreement. The parties expressly warrant that they have read and fully understand this
Agreement; that they have had the opportunity to consult with legal counsel of their own choosing to have the terms of this Agreement fully explained to them; that they are not executing this Agreement in reliance on any promises, representations or
inducements other than those contained herein; and that they are executing this Agreement voluntarily, free of any duress or coercion. 
 12.    GOVERNING LAW. This Agreement shall be governed by California law, without regard to its principles of conflicts of laws. 

13.    SUCCESSORS AND ASSIGNS. This Agreement will be binding upon my heirs, executors,
administrators and other legal representatives and will be for the benefit of ServiceSource, its successors, and its assigns. 
 14.    GOLDEN PARACHUTE BEST AFTER TAX RESULTS. If any of the payments to Employee (prior to any reduction, below) provided for in this Agreement, together with any other
payments which Employee has the right to receive from the Company or any corporation which is a 

  
 -7-

 
member of an “affiliated group” as defined in Section 1504(a) of the Internal Revenue Code of 1986, as amended (“Code”), without regard to Section 1504(b) of the
Internal Revenue Code), of which the Company is a member (the “Payments”) would constitute a “parachute payment” (as defined in Section 280G(b)(2) of the Code), and if the Safe Harbor Amount is greater than the Taxed Amount,
then the total amount of such Payments shall be reduced to the Safe Harbor Amount. The “Safe Harbor Amount” is the largest portion of the Payments that would result in no portion of the Payments being subject to the excise tax set forth at
Section 4999 of the Code (“Excise Tax”), after reduction for taxes as described below. The ‘Taxed Amount” is the total amount of the Payments after reduction for taxes as described below (prior to any reduction, above)
notwithstanding that all or some portion of the Payments may be subject to the Excise Tax. Solely for the purpose of comparing which of the Safe Harbor Amount and the Taxed Amount is greater, the determination of each such amount, shall be made on
an after-tax basis, taking into account all applicable federal, state and local employment taxes, income taxes, and, if applicable, the Excise Tax (all of which shall be computed at the highest applicable marginal rate regardless of Employee’s
actual marginal rate). If a reduction of the Payments to the Safe Harbor Amount is necessary, then the reduction shall occur in the following order: reduction of cash payments; cancellation of accelerated vesting of equity awards other than options;
cancellation of accelerated vesting of options; and reduction of employee benefits. In the event that acceleration of vesting of equity awards or options is to be reduced, such acceleration of vesting shall be cancelled in the reverse order of the
date of grant of the Employee’s participant’s awards. The Company and its tax advisors shall make all determinations and calculations required to be made to effectuate this paragraph at the Company’s expense. 

15.    TAX PAYMENTS. Employee acknowledges and agrees that, for so long as the Company is
classified as a partnership for federal income tax purposes and Employee owns outstanding shares of the Company, Employee will be responsible for paying all federal and state income and self-employment taxes on all compensation and benefits payable
to him by the Company (whether or not pursuant to this Agreement). Nonetheless, the Employee as the taxpayer of record has directed the Company withhold Federal and state income and self-employment taxes on Employee’s compensation and benefits
on the Employee’s behalf and direction. So long as the Company is classified as a partnership for federal income tax purposes and Employee owns outstanding shares of the Company, Employee may in his discretion terminate such direction in
writing and begin paying such taxes directly. In the event any taxes, penalties or interest are assessed against Employee in addition to those withheld and paid by the Company on his behalf, Employee will bear the full responsibility for such
liabilities. The Company will bear responsibility solely for paying over to the applicable taxing authorities any taxes that it does in fact withhold from Employee’s compensation and benefits. In the event either (a) the Company changes
its tax classification to a corporation, or (b) Employee owns no outstanding shares of the Company, Employee acknowledges and agrees that the Company will withhold all applicable income and employment taxes from compensation and benefits
payable to Employee. 

  
 -8-

  

									
	 SO AGREED:
	 		 		 	
				
	 SERVICESOURCE INTERNATIONAL, LLC
	 		 		 	
					
	 By:
	 	 /s/ Paul Warenski
	 		 		 	 June 8, 2010

		 		 		 		 	 Date

					
	 Its:
	 	 SVP & General Counsel
	 		 		 	
				
	 EMPLOYEE
	 		 		 	
				
	 /s/ Michael Smerklo

 
	 		 		 	 June 8, 2010

	 Michael Smerklo
	 		 		 	 Date

  
 -9-

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