Document:

EX-10.3

 Exhibit 10.3 
 RINGCENTRAL, INC. 
 2013 EQUITY INCENTIVE PLAN 

1. Purposes of the Plan. The purposes of this Plan are: 

 

	 	•	 	 to attract and retain the best available personnel for positions of substantial responsibility, 

 

	 	•	 	 to provide additional incentive to Employees, Directors and Consultants, and 

 

	 	•	 	 to promote the success of the Company’s business. 

 The Plan permits the grant of Incentive Stock Options, Nonstatutory Stock Options, Restricted Stock, Restricted Stock Units, Stock Appreciation Rights, Performance Units and Performance Shares.

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

(a) “Administrator” means the Board or any of its Committees as will be administering the Plan, in accordance with
Section 4 of the Plan. 
 (b) “Applicable Laws” means the requirements relating to the administration of
equity-based awards and the related issuance of shares under U.S. state corporate laws, U.S. federal and state securities laws, the Code, any stock exchange or quotation system on which the Common Stock is listed or quoted and the applicable
securities or exchange control laws of any foreign country or jurisdiction where Awards are, or will be, granted under the Plan. 

(c) “Award” means, individually or collectively, a grant under the Plan of Options, Stock Appreciation Rights, Restricted
Stock, Restricted Stock Units, Performance Units or Performance Shares. 
 (d) “Award Agreement” means 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) “Board” means the Board of Directors of the Company. 

(f) “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, 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 subsection (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 definition, 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. 
 Notwithstanding the foregoing, a transaction will not be deemed a Change in
Control unless the transaction qualifies as a change in control event within the meaning of Code Section 409A, as it has been and may be amended from time to time, and any proposed or final Treasury Regulations and Internal Revenue Service
guidance that has been promulgated or may be promulgated thereunder from time to time. 
 Further and for the avoidance of
doubt, a transaction will not constitute a Change in Control if: (i) its sole purpose is to change the state of the Company’s incorporation, or (ii) its sole purpose is to create a holding company that will be owned in substantially
the same proportions by the persons who held the Company’s securities immediately before such transaction. 
 (g)
“Code” means the Internal Revenue Code of 1986, as amended. Reference to a specific section of the Code or regulation thereunder shall include such section or regulation, any valid regulation promulgated under such section, and any
comparable provision of any future legislation or regulation amending, supplementing or superseding such section or regulation. 

  
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 (h) “Committee” means a committee of Directors or of other individuals
satisfying Applicable Laws appointed by the Board, or a duly authorized committee of the Board, in accordance with Section 4 hereof. 
 (i) “Common Stock” means the Class A common stock of the Company. 
 (j) “Company” means RingCentral, Inc., a Delaware corporation, or any successor thereto. 
 (k) “Consultant” means any person, including an advisor, engaged by the Company or a Parent or Subsidiary to render services to such entity. 

(l) “Director” means a member of the Board. 
 (m) “Disability” means total and permanent disability as defined in Section 22(e)(3) of the Code, provided that in the case of Awards other than Incentive Stock Options, the
Administrator in its discretion may determine whether a permanent and total disability exists in accordance with uniform and non-discriminatory standards adopted by the Administrator from time to time. 

(n) “Employee” means any person, including Officers and Directors, employed by the Company or any Parent or Subsidiary of
the Company. Neither service as a Director nor payment of a director’s fee by the Company will be sufficient to constitute “employment” by the Company. 
 (o) “Exchange Act” means the U.S. Securities Exchange Act of 1934, as amended. 
 (p) “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 increased or reduced. The Administrator will determine the terms and conditions of any Exchange Program in its sole discretion. 

(q) “Fair Market Value” means, 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 New
York Stock Exchange, the NASDAQ Global Select Market, the NASDAQ Global Market or the NASDAQ Capital Market of The NASDAQ Stock Market, its Fair Market Value will be the closing sales price for such stock (or the closing bid, if no sales were
reported) as quoted on such exchange or system on the day of determination, as reported in The Wall Street Journal or such other source as the Administrator deems reliable; 

  
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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 will be the mean between the high bid and low asked prices for the Common Stock on the day of determination (or, if no bids and asks were reported on that date, as applicable, on the last
trading date such bids and asks were reported), as reported in The Wall Street Journal or such other source as the Administrator deems reliable; 
 (iii) For purposes of any Awards granted on the Registration Date, the Fair Market Value will be the initial price to the public as set forth in the final prospectus included within the registration
statement in Form S-1 filed with the Securities and Exchange Commission for the initial public offering of the Company’s Common Stock; or 
 (iv) In the absence of an established market for the Common Stock, the Fair Market Value will be determined in good faith by the Administrator. 

Notwithstanding the foregoing, if the determination date for the Fair Market Value occurs on a weekend or holiday, the Fair Market Value
will be the price as determined in accordance with subsections (i) through (iv) above (as applicable) on the next business day, unless otherwise determined by the Administrator. 

(r) “Fiscal Year” means the fiscal year of the Company. 

(s) “Incentive Stock Option” means an Option intended to qualify as an incentive stock option within the meaning of
Section 422 of the Code and the regulations promulgated thereunder. 
 (t) “Inside Director” means a
Director who is an Employee. 
 (u) “Nonstatutory Stock Option” means an Option that by its terms does not
qualify or is not intended to qualify as an Incentive Stock Option. 
 (v) “Officer” means 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. 
 (w) “Option” means a stock option granted pursuant to the Plan. 

(x) “Outside Director” means a Director who is not an Employee. 

(y) “Parent” means a “parent corporation,” whether now or hereafter existing, as defined in
Section 424(e) of the Code. 
 (z) “Participant” means the holder of an outstanding Award. 

  
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 (aa) “Performance Share” means an Award denominated in Shares which may be
earned in whole or in part upon attainment of performance goals or other vesting criteria as the Administrator may determine pursuant to Section 10. 
 (bb) “Performance Unit” means an Award which may be earned in whole or in part upon attainment of performance goals or other vesting criteria as the Administrator may determine and which
may be settled for cash, Shares or other securities or a combination of the foregoing pursuant to Section 10. 
 (cc)
“Period of Restriction” means the period during which the transfer of Shares of Restricted Stock are subject to restrictions and therefore, the Shares are subject to a substantial risk of forfeiture. Such restrictions may be based
on the passage of time, the achievement of target levels of performance, or the occurrence of other events as determined by the Administrator. 
 (dd) “Plan” means this RingCentral, Inc. 2013 Equity Incentive Plan. 
 (ee) “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. 
 (ff) “Restricted Stock” means
Shares issued pursuant to a Restricted Stock award under Section 7 of the Plan, or issued pursuant to the early exercise of an Option. 
 (gg) “Restricted Stock Unit” means a bookkeeping entry representing an amount equal to the Fair Market Value of one Share, granted pursuant to Section 8. Each Restricted Stock Unit
represents an unfunded and unsecured obligation of the Company. 
 (hh) “Rule 16b-3” means 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. 
 (ii)
“Section 16(b)” means Section 16(b) of the Exchange Act. 
 (jj) “Service
Provider” means an Employee, Director or Consultant. 
 (kk) “Share” means a share of the Common Stock,
as adjusted in accordance with Section 14 of the Plan. 
 (ll) “Stock Appreciation Right” means an Award,
granted alone or in connection with an Option, that pursuant to Section 9 is designated as a Stock Appreciation Right. 

(mm) “Subsidiary” means a “subsidiary corporation,” whether now or hereafter existing, as defined in
Section 424(f) of the Code. 
 3. Stock Subject to the Plan. 

(a) Stock Subject to the Plan. Subject to the provisions of Section 14 of the Plan, the maximum aggregate
number of Shares that may be issued under the Plan is 6,200,000 Shares, plus a number of Shares equal to the sum of (i) a number of Shares equal to the number of shares of the Company’s Class B common stock subject to stock options or
similar awards granted under the Company’s 2010 Equity 

  
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Incentive Plan, as amended (the “Existing Plan”), that, after the Registration Date, expire or otherwise terminate without having been exercised in full and (ii) a number of
Shares equal to the number of Shares of the Company’s Class B common stock issued pursuant to awards granted under the Existing Plan that, after the Registration Date, are forfeited to or repurchased by the Company, with the maximum number
of Shares to be added to the Plan from the Existing Plan pursuant to clauses (i) and (ii) equal to 7,800,000 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 2014 Fiscal Year, in an amount equal to the least of (i) 6,200,000 Shares, (ii) 5% of the outstanding shares of all classes of the Company’s common stock on the last day of the immediately
preceding Fiscal Year or (iii) such 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, 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, 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 14, the maximum number of Shares 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. Different Committees with respect to different groups of Service Providers may administer the Plan. 

  
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 (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 will be administered by a Committee of two (2) or more “outside
directors” within the meaning of Section 162(m) of the Code. 
 (iii) Rule 16b-3. To the extent desirable
to qualify transactions hereunder as exempt under Rule 16b-3, the transactions contemplated hereunder will be structured to satisfy the requirements for exemption under Rule 16b-3. 

(iv) Other Administration. Other than as provided above, the Plan will be administered by (A) the Board or (B) a
Committee, which committee will be constituted to satisfy Applicable Laws. 
 (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 will have the authority, in its discretion: 

(i) to determine the Fair Market Value; 
 (ii) to select the Service Providers to whom Awards may be granted hereunder; 

(iii) to determine the number of Shares to be covered by each Award granted hereunder; 

(iv) to approve forms of Award Agreements for use under the Plan; 

(v) 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 may be exercised (which may be based on performance criteria), any vesting acceleration or waiver of forfeiture restrictions, and any restriction or
limitation regarding any Award or the Shares relating thereto, based in each case on such factors as the Administrator will determine; 
 (vi) to institute and determine the terms and conditions of an Exchange Program; 

(vii) to construe and interpret the terms of the Plan and Awards granted pursuant to the Plan; 

(viii) 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 satisfying applicable foreign laws or for qualifying for favorable tax treatment under applicable foreign laws; 
 (ix) to modify or amend each Award (subject to Section 19 of the Plan), including but not limited to the discretionary authority to extend the post-termination exercisability period of Awards and to
extend the maximum term of an Option (subject to Section 6(b) of the Plan regarding Incentive Stock Options); 

  
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 (x) to allow Participants to satisfy withholding tax obligations in such manner as
prescribed in Section 15 of the Plan; 
 (xi) 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; 
 (xii) to allow a Participant to defer the
receipt of the payment of cash or the delivery of Shares that would otherwise be due to such Participant under an Award; and 

(xiii) to make all other determinations deemed necessary or advisable for administering the Plan. 

(c) Effect of Administrator’s Decision. The Administrator’s decisions, determinations and interpretations will be
final and binding on all Participants and any other holders of Awards. 
 5. Eligibility. Nonstatutory Stock Options,
Stock Appreciation Rights, Restricted Stock, Restricted Stock Units, Performance Shares and Performance Units may be granted to Service Providers. Incentive Stock Options may be granted only to Employees. 

6. Stock Options. 
 (a) Limitations. Each Option will be designated in the Award Agreement as either an Incentive Stock Option or a Nonstatutory Stock Option. However, notwithstanding such designation, to the extent
that the aggregate Fair Market Value of the Shares with respect to which Incentive Stock Options are exercisable for the first time by the Participant during any calendar year (under all plans of the Company and any Parent or
Subsidiary) exceeds one hundred thousand dollars ($100,000), such Options will be treated as Nonstatutory Stock Options. For purposes of this Section 6(a), Incentive Stock Options will be taken into account in the order in which they were
granted. The Fair Market Value of the Shares will be determined as of the time the Option with respect to such Shares is granted. 
 (b) Term of Option. The term of each Option will be stated in the Award Agreement. In the case of an Incentive Stock Option, the term will be ten (10) years from the date of grant or such
shorter term as may be provided in the Award Agreement. 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 total combined voting power of all classes of stock of the Company or any Parent or Subsidiary, the term of the Incentive Stock Option will be five (5) years from the date of grant or such shorter term as may be provided in the Award
Agreement. 
 (c) Option Exercise Price and Consideration. 

(i) Exercise Price. The per share exercise price for the Shares to be issued pursuant to exercise of an Option will be determined
by the Administrator, subject to the following: 
 (1) In the case of an Incentive Stock Option 

  
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 (A) 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 will be no less than one hundred ten percent (110%) of the Fair Market
Value per Share on the date of grant. 
 (B) granted to any Employee other than an Employee described in paragraph
(A) immediately above, the per Share exercise price will be no less than one hundred percent (100%) of the Fair Market Value per Share on the date of grant. 
 (2) In the case of a Nonstatutory Stock Option, the per Share exercise price will be no less than one hundred percent (100%) of the Fair Market Value per Share on the date of grant. 

(3) Notwithstanding the foregoing, Options may be granted with a per Share exercise price of less than one hundred percent (100%) of
the Fair Market Value per Share on the date of grant pursuant to a transaction described in, and in a manner consistent with, Section 424(a) of the Code. 
 (ii) Waiting Period and Exercise Dates. At the time an Option is granted, the Administrator will fix the period within which the Option may be exercised and will determine any conditions that must
be satisfied before the Option may be exercised. 
 (iii) Form of Consideration. The Administrator will determine the
acceptable form of consideration for exercising an Option, including the method of payment. In the case of an Incentive Stock Option, the Administrator will determine the acceptable form of consideration at the time of grant. Such consideration may
consist entirely of: (1) cash; (2) check; (3) promissory note, to the extent permitted by Applicable Laws, (4) other Shares or Class B Shares, provided that such shares have a Fair Market Value on the date of surrender equal to
the aggregate exercise price of the shares as to which such Option will be exercised and provided that accepting such shares will not result in any adverse accounting consequences to the Company, as the Administrator determines in its sole
discretion; (5) consideration received by the Company under a broker-assisted (or other) cashless exercise program (whether through a broker or otherwise) implemented by the Company in connection with the Plan; (6) by net
exercise; (7) such other consideration and method of payment for the issuance of Shares to the extent permitted by Applicable Laws; or (8) any combination of the foregoing methods of payment. 

(d) Exercise of Option. 
 (i) Procedure for Exercise; Rights as a Stockholder. Any Option granted hereunder will be exercisable according to the terms of the Plan and at such times and under such conditions as determined by
the Administrator and set forth in the Award Agreement. An Option may not be exercised for a fraction of a Share. 
 An Option
will be deemed exercised when the Company receives: (i) a notice of exercise (in such form as the Administrator may specify from time to time) from the person entitled to exercise the Option, and (ii) full payment for the Shares with
respect to which the Option is exercised (together with applicable withholding taxes). Full payment may consist of any 

  
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consideration and method of payment authorized by the Administrator and permitted by the Award Agreement and the Plan. Shares issued upon exercise of an Option will be issued in the name of the
Participant or, if requested by the Participant, in the name of the Participant and his or her spouse. Until the Shares are issued (as evidenced by the appropriate entry on the books of the Company or of a duly authorized transfer agent of the
Company), no right to vote or receive dividends or any other rights as a stockholder will exist with respect to the Shares subject to an Option, notwithstanding the exercise of the Option. The Company will issue (or cause to be issued) such
Shares promptly after the Option is exercised. No adjustment will be made for a dividend or other right for which the record date is prior to the date the Shares are issued, except as provided in Section 14 of the Plan. 

Exercising an Option in any manner will decrease the number of Shares thereafter available, both for purposes of the Plan and for sale
under the Option, by the number of Shares as to which the Option is exercised. 
 (ii) Termination of Relationship as a
Service Provider. If a Participant ceases to be a Service Provider, other than upon the Participant’s termination as the result of the Participant’s death or Disability, the Participant may exercise his or her Option within such period
of time as is specified in the Award Agreement to the extent that the Option is vested on the date of termination (but in no event later than the expiration of the term of such Option as set forth in the Award Agreement). In the absence of a
specified time in the Award Agreement, the Option will remain exercisable for three (3) months following the Participant’s termination. Unless otherwise provided by the Administrator, if on the date of termination the Participant is not
vested as to his or her entire Option, the Shares covered by the unvested portion of the Option will revert to the Plan. If after termination the Participant does not exercise his or her Option within the time specified by the Administrator, the
Option will terminate, and the Shares covered by such Option will revert to the Plan. 
 (iii) Disability of Participant.
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 within such period of time as is specified in the Award Agreement to the extent the Option is vested on
the date of termination (but in no event later than the expiration of the term of such Option as set forth in the Award Agreement). In the absence of a specified time in the Award Agreement, the Option will remain exercisable for twelve
(12) months following the Participant’s termination. Unless otherwise provided by the Administrator, if on the date of termination the Participant is not vested as to his or her entire Option, the Shares covered by the unvested portion of
the Option will revert to the Plan. If after termination the Participant does not exercise his or her Option within the time specified herein, the Option will terminate, and the Shares covered by such Option will revert to the Plan. 

(iv) Death of Participant. If a Participant dies while a Service Provider, the Option may be exercised following the
Participant’s death within such period of time as is specified in the Award Agreement to the extent that the Option is vested on the date of death (but in no event may the option be exercised later than the expiration of the term of such Option
as set forth in the Award Agreement), by the Participant’s designated beneficiary, provided the right to designate a beneficiary is set forth in the Award Agreement and 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 may be exercised by the personal representative of 

  
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the Participant’s estate or by the person(s) to whom the Option 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 will remain exercisable for twelve (12) months following Participant’s death. Unless otherwise provided by the Administrator, if at the time of death Participant is not vested
as to his or her entire Option, the Shares covered by the unvested portion of the Option will immediately revert to the Plan. If the Option is not so exercised within the time specified herein, the Option will terminate, and the Shares covered by
such Option will revert to the Plan. 
 (v) Extension if Exercise Prevented by Law. Notwithstanding the foregoing, if the
exercise of an Option within the applicable time periods set forth in Section 7(d) is prevented by the provisions of Section 20 below, the Option shall remain exercisable until thirty (30) days (or such longer period of time as
determined by the Administrator, in its discretion) after the date the Participant is notified by the Company that the Option is exercisable (but in no event later than the expiration of the term of such Option as set forth in the Award Agreement).

 7. Restricted Stock. 
 (a) Grant of Restricted Stock. Subject to the terms and provisions of the Plan, the Administrator, at any time and from time to time, may grant Shares of Restricted Stock to Service Providers in
such amounts as the Administrator, in its sole discretion, will determine. 
 (b) Restricted Stock Agreement. Each Award
of Restricted Stock will be evidenced by an Award Agreement that will specify the Period of Restriction, the number of Shares granted, and such other terms and conditions as the Administrator, in its sole discretion, will determine. Unless the
Administrator determines otherwise, the Company as escrow agent will hold Shares of Restricted Stock until the restrictions on such Shares have lapsed. 
 (c) Transferability. Except as provided in this Section 7 or the Award Agreement, Shares of Restricted Stock may not be sold, transferred, pledged, assigned, or otherwise alienated or
hypothecated until the end of the applicable Period of Restriction. 
 (d) Other Restrictions. The Administrator, in its
sole discretion, may impose such other restrictions on Shares of Restricted Stock as it may deem advisable or appropriate. 
 (e)
Removal of Restrictions. Except as otherwise provided in this Section 7, Shares of Restricted Stock covered by each Restricted Stock grant made under the Plan will be released from escrow as soon as practicable after the last day of the
Period of Restriction or at such other time as the Administrator may determine. The Administrator, in its discretion, may accelerate the time at which any restrictions will lapse or be removed. 

(f) Voting Rights. During the Period of Restriction, Service Providers holding Shares of Restricted Stock granted hereunder may
exercise full voting rights with respect to those Shares, unless the Administrator determines otherwise. 
 (g) Dividends and
Other Distributions. During the Period of Restriction, Service Providers holding Shares of Restricted Stock will be entitled to receive all dividends and other distributions paid with respect to such Shares, unless the Administrator provides
otherwise. If any such dividends or distributions are paid in Shares, the Shares will be subject to the same restrictions on transferability and forfeitability as the Shares of Restricted Stock with respect to which they were paid. 

  
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 (h) Return of Restricted Stock to Company. On the date set forth in the Award
Agreement, the Restricted Stock for which restrictions have not lapsed will revert to the Company and again will become available for grant under the Plan. 
 8. 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 will advise the Participant in an Award Agreement of the terms, conditions,
and restrictions related to the grant, including the number of Restricted Stock Units. 
 (b) Vesting Criteria and Other
Terms. The Administrator will 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, divisional, business unit, or individual goals (including, but not limited to, continued employment or service), applicable federal or state securities laws or any other basis
determined by the Administrator in its discretion. 
 (c) Earning Restricted Stock Units. Upon meeting the applicable
vesting criteria, the Participant will be entitled to receive a payout as determined by the Administrator. 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 will be made as soon as practicable after the date(s) determined by the Administrator and set forth in the Award Agreement. The Administrator, in its sole discretion, may only settle earned Restricted Stock Units in cash,
Shares, or a combination of both. 
 (e) Cancellation. On the date set forth in the Award Agreement, all unearned
Restricted Stock Units will be forfeited to the Company. 
 9. Stock Appreciation Rights. 

(a) Grant of Stock Appreciation Rights. Subject to the terms and conditions of the Plan, a Stock Appreciation Right may be granted
to Service Providers at any time and from time to time as will be determined by the Administrator, in its sole discretion. 
 (b)
Number of Shares. The Administrator will have complete discretion to determine the number of Stock Appreciation Rights granted to any Service Provider. 

  
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 (c) Exercise Price and Other Terms. The per share exercise price for the Shares to be
issued pursuant to exercise of a Stock Appreciation Right will be determined by the Administrator and will be no less than one hundred percent (100%) of the Fair Market Value per Share on the date of grant. Otherwise, the Administrator, subject
to the provisions of the Plan, will have complete discretion to determine the terms and conditions of Stock Appreciation Rights granted under the Plan. 
 (d) Stock Appreciation Right Agreement. Each Stock Appreciation Right grant will be evidenced by an Award Agreement that will specify the exercise price, the term of the Stock Appreciation Right,
the conditions of exercise, and such other terms and conditions as the Administrator, in its sole discretion, will determine. 

(e) Expiration of Stock Appreciation Rights. A Stock Appreciation Right granted under the Plan will expire upon the date determined
by the Administrator, in its sole discretion, and set forth in the Award Agreement. Notwithstanding the foregoing, the rules of Section 6(b) relating to the maximum term and Section 6(d) relating to exercise also will apply to
Stock Appreciation Rights. 
 (f) Payment of Stock Appreciation Right Amount. Upon exercise of a Stock Appreciation Right,
a Participant will 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 Stock Appreciation Right is exercised. 
 At the discretion of the Administrator, the payment upon
Stock Appreciation Right exercise may be in cash, in Shares of equivalent value, or in some combination thereof. 
 10.
Performance Units and Performance Shares. 
 (a) Grant of Performance Units/Shares. Performance Units and
Performance Shares may be granted to Service Providers at any time and from time to time, as will be determined by the Administrator, in its sole discretion. The Administrator will have complete discretion in determining the number of Performance
Units and Performance Shares granted to each Participant. 
 (b) Value of Performance Units/Shares. Each Performance Unit
will have an initial value that is established by the Administrator on or before the date of grant. Each Performance Share will have an initial value equal to the Fair Market Value of a Share on the date of grant. 

(c) Performance Objectives and Other Terms. The Administrator will set performance objectives or other vesting provisions
(including, without limitation, continued status as a Service Provider) in its discretion which, depending on the extent to which they are met, will determine the number or value of Performance Units/Shares that will be paid out to the Service
Providers. The time period during which the performance objectives or other vesting provisions must be met will be called the “Performance Period.” Each Award of Performance Units/Shares will be evidenced by an Award Agreement that will
specify the Performance Period, and such other 

  
 13 

 
terms and conditions as the Administrator, in its sole discretion, will determine. The Administrator may set performance objectives based upon the achievement of Company-wide, divisional,
business unit or individual goals (including, but not limited to, continued employment or service), applicable federal or state securities laws, or any other basis determined by the Administrator in its discretion. 

(d) Earning of Performance Units/Shares. After the applicable Performance Period has ended, the holder of Performance Units/Shares
will be entitled to receive a payout of the number of Performance Units/Shares earned by the Participant over the Performance Period, to be determined as a function of the extent to which the corresponding performance objectives or other vesting
provisions have been achieved. After the grant of a Performance Unit/Share, the Administrator, in its sole discretion, may reduce or waive any performance objectives or other vesting provisions for such Performance Unit/Share. 

(e) Form and Timing of Payment of Performance Units/Shares. Payment of earned Performance Units/Shares will be made as soon as
practicable after the expiration of the applicable Performance Period. The Administrator, in its sole discretion, may pay earned Performance Units/Shares in the form of cash, in Shares (which have an aggregate Fair Market Value equal to the value of
the earned Performance Units/Shares at the close of the applicable Performance Period) or in a combination thereof. 
 (f)
Cancellation of Performance Units/Shares. On the date set forth in the Award Agreement, all unearned or unvested Performance Units/Shares will be forfeited to the Company, and again will be available for grant under the Plan. 

11. Outside Director Limitations. 
 (a) Cash-Settled Awards. No Outside Director may be granted, in any fiscal year of the Company, cash-settled Awards with a grant date fair value (determined in accordance with U.S. generally
accepted accounting principles) of more than $500,000, increased to $1,000,000 in connection with his or her initial service. 
 (b) Stock-Settled Awards. No Outside Director may be granted, in any fiscal year of the Company, stock-settled Awards with a grant date fair value (determined in accordance with U.S. generally
accepted accounting principles) of more than $500,000, increased to $1,000,000 in connection with his or her initial service. 
 12. Leaves of Absence/Transfer Between Locations. Unless the Administrator provides otherwise, vesting of Awards granted hereunder will be suspended during any unpaid leave of absence. A
Participant will 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, or any Subsidiary. For purposes of
Incentive Stock Options, no such leave may exceed three (3) months, 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 six (6) months following the first (1st) day of such leave any Incentive Stock Option held by the Participant will cease to be treated as an Incentive Stock Option and will be treated for tax purposes as a Nonstatutory
Stock Option. 

  
 14 

 13. Transferability of Awards. Unless determined otherwise by the Administrator, an
Award 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. If
the Administrator makes an Award transferable, such Award will contain such additional terms and conditions as the Administrator deems appropriate. 
 14. Adjustments; Dissolution or Liquidation; Merger or Change in Control. 

(a) Adjustments. In the event that any dividend or other distribution (whether in the form of cash, Shares, other securities, or
other property), recapitalization, stock split, reverse stock split, reorganization, merger, consolidation, split-up, spin-off, combination, repurchase, or exchange of Shares or other securities of the Company, or other change in the corporate
structure of the Company affecting the Shares occurs, the Administrator, in order to prevent diminution or enlargement of the benefits or potential benefits intended to be made available under the Plan, will adjust the number and class of Shares
that may be delivered under the Plan and/or the number, class, and price of Shares covered by each outstanding Award, and the numerical Share limits in Section 3 of the Plan. 

(b) Dissolution or Liquidation. In the event of the proposed dissolution or liquidation of the Company, the Administrator will
notify each Participant as soon as practicable prior to the effective date of such proposed transaction. To the extent it has not been previously exercised, an Award will terminate immediately prior to the consummation of such proposed action.

 (c) Change in Control. In the event of a merger of the Company with or into another corporation or other entity or a
Change in Control, each outstanding Award will be treated as the Administrator determines, including, without limitation, that (i) Awards may be assumed, or substantially equivalent Awards will be substituted, by the acquiring or succeeding
corporation (or an affiliate thereof) with appropriate adjustments as to the number and kind of shares and prices; (ii) upon written notice to a Participant, that the Participant’s Awards will terminate upon or immediately prior to the
consummation of such merger or Change in Control; (iii) outstanding Awards will vest and become exercisable, realizable, or payable, or restrictions applicable to an Award will lapse, in whole or in part prior to or upon consummation of such
merger or Change in Control, and, to the extent the Administrator determines, terminate upon or immediately prior to the effectiveness of such merger or Change in Control; (iv) (A) the termination of an Award in exchange for an amount of
cash and/or property, if any, equal to the amount that would have been attained upon the exercise of such Award or realization of the Participant’s rights as of the date of the occurrence of the transaction (and, for the avoidance of doubt, if
as of the date of the occurrence of the transaction the Administrator determines in good faith that no amount would have been attained upon the exercise of such Award or realization of the Participant’s rights, then such Award may be terminated
by the Company without payment), or (B) the replacement of such Award with other rights or property selected by the Administrator in its sole discretion; or (v) any combination of the foregoing. In taking any of the actions permitted under
this subsection 14(c), the Administrator will not be required to treat all Awards similarly in the transaction. 
 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 

  
 15 

 
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 14(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, 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 resignation is at the request of the acquirer), then the
Participant will fully vest in and have the right to exercise Options and/or Stock Appreciation Rights as to all of the Shares underlying such Award, including those Shares which 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. 

  
 16 

 15. Tax. 
 (a) Withholding Requirements. Prior to the delivery of any Shares or cash pursuant to an Award (or exercise thereof) or such earlier time as any tax withholding obligations are due, the
Company will have the power and the right to deduct or withhold, or require a Participant to remit to the Company, an amount sufficient to satisfy federal, state, local, foreign or other taxes (including the Participant’s FICA
obligation) required to be withheld with respect to such Award (or exercise thereof). 
 (b) Withholding
Arrangements. The Administrator, in its sole discretion and pursuant to such procedures as it may specify from time to time, may permit a Participant to satisfy such tax withholding obligation, in whole or in part by (without
limitation) (a) paying cash, (b) electing to have the Company withhold otherwise deliverable cash (including cash from the sale of Shares issued to Participant) or Shares having a Fair Market Value equal to the minimum statutory
amount required to be withheld, or (c) delivering to the Company already-owned Shares having a Fair Market Value equal to the minimum statutory amount required to be withheld. The Fair Market Value of the Shares to be withheld or delivered will
be determined as of the date that the taxes are required to be withheld. 
 (c) Compliance With Code Section 409A.
Awards will be designed and operated in such a manner that they are either exempt from the application of, or comply with, the requirements of Code Section 409A such that the grant, payment, settlement or deferral will not be subject to the
additional tax or interest applicable under Code Section 409A, except as otherwise determined in the sole discretion of the Administrator. The Plan and each Award Agreement under the Plan is intended to meet the requirements of Code
Section 409A and will be construed and interpreted in accordance with such intent, except as otherwise determined in the sole discretion of the Administrator. To the extent that an Award or payment, or the settlement or deferral thereof, is
subject to Code Section 409A the Award will be granted, paid, settled or deferred in a manner that will meet the requirements of Code Section 409A, such that the grant, payment, settlement or deferral will not be subject to the additional
tax or interest applicable under Code Section 409A. 
 16. No Effect on Employment or Service. Neither the Plan nor
any Award will confer upon a Participant any right with respect to continuing the Participant’s relationship as a Service Provider with the Company or any Parent or Subsidiary of the Company, nor will they interfere in any way with the
Participant’s right or the Company’s right, or any Parent’s or Subsidiary’s right, to terminate such relationship at any time, with or without cause, to the extent permitted by Applicable Laws. 

17. Date of Grant. The date of grant of an Award will be, for all purposes, the date on which the Administrator makes the
determination granting such Award, or such other later date as is determined by the Administrator. Notice of the determination will be provided to each Participant within a reasonable time after the date of such grant. 

  
 17 

 18. Term of Plan. Subject to Section 22 of the Plan, the Plan will become
effective upon the later to occur of (i) its adoption by the Board or (ii) the business day immediately prior to the Registration Date. It will continue in effect for a term of ten (10) years from the date adopted by the Board, unless
terminated earlier under Section 19 of the Plan. 
 19. Amendment and Termination of the Plan. 

(a) Amendment and Termination. The Administrator may at any time amend, alter, suspend or terminate the Plan. 

(b) Stockholder Approval. The Company will obtain stockholder approval of any Plan amendment to the extent necessary and desirable
to comply with Applicable Laws. 
 (c) Effect of Amendment or Termination. No amendment, alteration, suspension or
termination of the Plan will materially 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.
Termination of the Plan will not affect the Administrator’s ability to exercise the powers granted to it hereunder with respect to Awards granted under the Plan prior to the date of such termination. 

20. Conditions Upon Issuance of Shares. 
 (a) Legal Compliance. Shares will not be issued pursuant to the exercise of an Award unless the exercise of such Award and the issuance and delivery of such Shares will comply with Applicable Laws
and will be further subject to the approval of counsel for the Company with respect to such compliance. 
 (b) Investment
Representations. As a condition to the exercise of an Award, the Company may require the person exercising such Award to represent and warrant at the time of any such exercise that the Shares are being purchased only for investment and without
any present intention to sell or distribute such Shares if, in the opinion of counsel for the Company, such a representation is required. 
 21. Inability to Obtain Authority. The inability of the Company to obtain authority from any regulatory body having jurisdiction or to complete or comply with the requirements of any registration
or other qualification of the Shares under any state, federal or foreign law or under the rules and regulations of the Securities and Exchange Commission, the stock exchange on which Shares of the same class are then listed, or any other
governmental or regulatory body, which authority, registration, qualification or rule compliance is deemed by the Company’s counsel to be necessary or advisable for the issuance and sale of any Shares hereunder, will relieve the Company of any
liability in respect of the failure to issue or sell such Shares as to which such requisite authority, registration, qualification or rule compliance will not have been obtained. 

22. Stockholder Approval. The Plan will be subject to approval by the stockholders of the Company within twelve (12) months
after the date the Plan is adopted by the Board. Such stockholder approval will be obtained in the manner and to the degree required under Applicable Laws. 

  
 18 

 RINGCENTRAL, INC. 

2013 EQUITY INCENTIVE PLAN 
 STOCK OPTION AGREEMENT 
 Unless otherwise defined herein, the terms defined
in the RingCentral, Inc. 2013 Equity Incentive Plan (the “Plan”) will have the same defined meanings in this Stock Option Agreement (the “Agreement”), including the Notice of Stock Option Grant (the “Notice of Grant”)
and Terms and Conditions of Stock Option Grant, attached hereto as Exhibit A. 
 NOTICE OF STOCK OPTION GRANT 

 

			
	 Participant:
	  	 
		
	 Address:
	  	 
		
		  	 

 Participant has been granted an Option to purchase Common Stock of RingCentral, Inc. (the
“Company”), subject to the terms and conditions of the Plan and this Agreement, as follows: 
  

			
	 Grant Number
	 	  

		
	 Date of Grant
	 	  

		
	 Vesting Commencement Date
	 	  

		
	 Number of Shares Granted
	 	  

		
	 Exercise Price per Share
	 	 $

		
	 Total Exercise Price
	 	 $

		
	 Type of Option
	 	         Incentive Stock Option
		
		 	         Nonstatutory Stock Option
		
	 Term/Expiration Date
	 	  

 Vesting Schedule: 
 Subject to accelerated vesting as set forth below or in the Plan, this Option will be exercisable, in whole or in part, in accordance with the following schedule: 

[Twenty-five percent (25%) of the Shares subject to the Option shall vest on the one (1) year anniversary
of the Vesting Commencement Date, and one forty-eighth (1/48th) of the Shares subject to the Option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the
month), subject to Participant continuing to be a Service Provider through each such date.]  

  
 1 

 Notwithstanding the foregoing, the vesting of the Shares subject to the Option shall be
subject to any vesting acceleration provisions applicable to this Option contained in the Plan and/or any employment or service agreement, offer letter, change in control severance agreement, or any other agreement that, prior to and effective
as of the date of this Agreement, has been entered into between Participant and the Company or any parent or subsidiary corporation of the Company (such agreement, a “Separate Agreement”) to the extent not otherwise duplicative of the
vesting terms described above (by way of example, if a Separate Agreement provides for different acceleration of vesting provisions for all of Participant’s stock options upon a termination of Participant as a Service Provider for “good
reason” that is defined differently, and the Participant’s status as a Service Provider terminates in a manner that would trigger “good reason” under the Separate Agreement but not under this Agreement, the Participant would
remain entitled to the acceleration of vesting under the Separate Agreement). 
 Termination Period: 

Except as provided in a Separate Agreement, this Option will be exercisable for three (3) months after Participant ceases to be a
Service Provider, unless such termination is due to Participant’s death or Disability, in which case this Option will be exercisable for twelve (12) months after Participant ceases to be a Service Provider. Notwithstanding the foregoing
sentence, in no event may this Option be exercised after the Term/Expiration Date as provided above and may be subject to earlier termination as provided in Section 14(c) of the Plan. 

  
 2 

 By Participant’s signature and the signature of the Company’s representative
below, Participant and the Company agree that this Option is granted under and governed by the terms and conditions of the Plan and this Agreement, including exhibits hereto, all of which are made a part of this document. 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 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 Agreement. Participant further agrees to notify the Company upon any change in the residence address indicated below. 

 

					
	PARTICIPANT	  		 	RINGCENTRAL, INC.
			
	  
	  		 	  

	Signature	  		 	By
			
	  
	  		 	  

	Print Name	  		 	Title
			
	Address:	  		 	
			
	  
	  		 	
			
	  
	  		 	

  
 3 

 EXHIBIT A 

TERMS AND CONDITIONS OF STOCK OPTION GRANT 
 1. Grant of Option. The Company hereby grants to the Participant named in the Notice of Grant (the “Participant”) an option (the “Option”) to purchase the number of Shares, as
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 all of the terms and conditions in this Agreement, the Plan, and the Separate Agreement (as applicable),
which are incorporated herein by reference. Subject to Section 18(c) of the Plan, in the event of a conflict between the terms and conditions of the Plan and the terms and conditions of this Agreement, the terms and conditions of the Plan will
prevail. 
 (a) For U.S. taxpayers, the Option will be designated as either an Incentive Stock Option (“ISO”) or a
Nonstatutory Stock Option (“NSO”). If designated in the Notice of Grant as an ISO, this Option is intended to qualify as an ISO under Section 422 of the Internal Revenue Code of 1986, as amended (the “Code”). However, if
this Option is intended to be an Incentive Stock Option, to the extent that it exceeds the $100,000 rule of Code Section 422(d) it will be treated as an NSO. Further, if for any reason this Option (or portion thereof) will not qualify as an
ISO, then, to the extent of such nonqualification, such Option (or portion thereof) shall be regarded as a NSO granted under the Plan. In no event will the Administrator, the Company or any Parent or Subsidiary or any of their respective employees
or directors have any liability to Participant (or any other person) due to the failure of the Option to qualify for any reason as an ISO. 
 (b) For non-U.S. taxpayers, the Option will be designated as an NSO. 
 2.
Vesting Schedule. Except as provided in Section 3, the Option awarded by this Agreement will vest in accordance with the vesting provisions set forth in the Notice of Grant. Shares scheduled to vest on a certain date or upon the
occurrence of a certain condition will not vest in Participant in accordance with any of the provisions of this Agreement, unless Participant will have been continuously a Service Provider from the Date of Grant until the date such vesting
occurs. 
 3. Administrator Discretion. The Administrator, in its discretion, may accelerate the vesting of the
balance, or some lesser portion of the balance, of the unvested Option at any time, subject to the terms of the Plan. If so accelerated, such Option will be considered as having vested as of the date specified by the Administrator. 

4. Exercise of Option. 
 (a) Right to Exercise. 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
Agreement. 
 (b) Method of Exercise. This Option is exercisable by delivery of an exercise notice, in the form attached
as Exhibit C (the “Exercise Notice”) or in a manner and pursuant to such procedures as the Administrator may determine, which will state the election to exercise the Option, 

  
 4 

 
the number of Shares in respect of which the Option is being exercised (the “Exercised Shares”), and such other representations and agreements as may be required by the Company pursuant
to the provisions of the Plan. The Exercise Notice will be completed by Participant and delivered to the Company. The Exercise Notice will be accompanied by payment of the aggregate Exercise Price as to all Exercised Shares together and of any
Tax-Related Items (as defined in Section 6(a)). This Option will be deemed to be exercised upon receipt by the Company of such fully executed Exercise Notice accompanied by the aggregate Exercise Price. 

5. Method of Payment. Payment of the aggregate Exercise Price will be by any of the following, or a combination thereof, at the
election of Participant: 
 (a) cash; 
 (b) check; 
 (c) consideration received by the Company under a formal cashless
exercise program adopted by the Company in connection with the Plan; or 
 (d) if Participant is a U.S. employee, surrender of
other Shares which have a Fair Market Value on the date of surrender equal to the aggregate Exercise Price of the Exercised Shares, provided that accepting such Shares, in the sole discretion of the Administrator, will not result in any adverse
accounting consequences to the Company. 
 6. Tax Obligations. 

(a) Withholding of Taxes. Notwithstanding any contrary provision of this Agreement, no certificate representing the Shares will be
issued to Participant, unless and until satisfactory arrangements (as determined by the Administrator) will have been made by Participant with respect to the payment of income, employment, social insurance, payroll tax, fringe benefit tax, payment
on account or other tax-related items related to Participant’s participation in the Plan and legally applicable to Participant (“Tax-Related Items”) which the Company determines must be withheld with respect to such Shares. If
Participant is a non-U.S. employee, payment of Tax-Related Items may not be effectuated by surrender of other Shares with a Fair Market Value equal to the amount of any Tax-Related Items. To the extent determined appropriate by the Company in its
discretion, it will have the right (but not the obligation) to satisfy any Tax-Related Items by reducing the number of Shares otherwise deliverable to Participant. If Participant fails to make satisfactory arrangements for the payment of any
required Tax-Related Items hereunder at the time of the Option exercise, Participant acknowledges and agrees that the Company may refuse to honor the exercise and refuse to deliver the Shares if such amounts are not delivered at the time of
exercise. Further, if Participant is subject to tax in more than one jurisdiction between the Date of Grant and the date of any relevant taxable or tax withholding event, as applicable, Participant acknowledges and agrees that the Company and/or
Participant’s employer (the “Employer”), or former employer, as applicable, may be required to withhold or account for tax in more than one jurisdiction. 

  
 5 

 (b) Notice of Disqualifying Disposition of ISO Shares. If the Option granted to
Participant herein is an ISO, and if Participant sells or otherwise disposes of any of the Shares acquired pursuant to the ISO on or before the later of (i) the date two (2) years after the Date of Grant, or (ii) the date one
(1) year after the date of exercise, Participant will immediately notify the Company in writing of such disposition. Participant agrees that Participant may be subject to income tax withholding by the Company on the compensation income
recognized by Participant. 
 (c) Code Section 409A. Under Code Section 409A, an option that vests after
December 31, 2004 (or that vested on or prior to such date but which was materially modified after October 3, 2004) that was granted with a per share exercise price that is determined by the Internal Revenue Service (the “IRS”)
to be less than the fair market value of a share on the date of grant (a “Discount Option”) may be considered “deferred compensation.” A Discount Option may result in (i) income recognition by Participant prior to the
exercise of the option, (ii) an additional twenty percent (20%) federal income tax, and (iii) potential penalty and interest charges. The Discount Option may also result in additional state income, penalty and interest charges to
Participant. Participant acknowledges that the Company cannot and has not guaranteed that the IRS will agree that the per Share Exercise Price of this Option equals or exceeds the Fair Market Value of a Share on the Date of Grant in a later
examination. Participant agrees that if the IRS determines that the Option was granted with a per Share Exercise Price that was less than the Fair Market Value of a Share on the Date of Grant, Participant will be solely responsible for
Participant’s costs related to such a determination. 
 7. Rights as Stockholder. Neither Participant nor any person
claiming under or through 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 Participant. After such issuance, recordation and delivery, Participant will have all the rights of a stockholder of the Company with respect to voting such Shares and
receipt of dividends and distributions on such Shares. 
 8. No Guarantee of Continued Service. PARTICIPANT ACKNOWLEDGES
AND AGREES THAT THE VESTING OF SHARES PURSUANT TO THE VESTING SCHEDULE HEREOF IS EARNED ONLY BY CONTINUING AS A SERVICE PROVIDER AT THE WILL OF THE COMPANY (OR THE PARENT OR SUBSIDIARY EMPLOYING OR RETAINING PARTICIPANT) AND NOT THROUGH THE ACT OF
BEING HIRED, BEING GRANTED THIS OPTION OR ACQUIRING SHARES HEREUNDER. PARTICIPANT FURTHER ACKNOWLEDGES AND AGREES THAT THIS AGREEMENT, THE TRANSACTIONS CONTEMPLATED HEREUNDER AND THE VESTING SCHEDULE SET FORTH HEREIN DO NOT CONSTITUTE AN EXPRESS OR
IMPLIED PROMISE OF CONTINUED ENGAGEMENT AS A SERVICE PROVIDER FOR THE VESTING PERIOD, FOR ANY PERIOD, OR AT ALL, AND WILL NOT INTERFERE IN ANY WAY WITH PARTICIPANT’S RIGHT OR THE RIGHT OF THE COMPANY (OR THE PARENT OR SUBSIDIARY EMPLOYING OR
RETAINING PARTICIPANT) TO TERMINATE PARTICIPANT’S RELATIONSHIP AS A SERVICE PROVIDER AT ANY TIME, WITH OR WITHOUT CAUSE. 

  
 6 

 9. Nature of Grant. In accepting the Option, Participant acknowledges, understands
and agrees that: 
 (a) the Plan is established voluntarily by the Company, it is discretionary in nature, and may be amended,
suspended or terminated by the Company at any time, to the extent permitted by the Plan; 
 (b) the grant of the Option is
voluntary and occasional and does not create any contractual or other right to receive future grants of options, or benefits in lieu of options, even if options have been granted in the past; 

(c) all decisions with respect to future option or other grants, if any, will be at the sole discretion of the Company; 

(d) Participant is voluntarily participating in the Plan; 
 (e) the Option and any Shares acquired under the Plan are not intended to replace any pension rights or compensation; 
 (f) the Option and Shares acquired under the Plan and the income and value of same, are not part of normal or expected compensation for purposes of calculating any severance, resignation, termination,
redundancy, dismissal, end-of-service payments, bonuses, long-service awards, pension or retirement or welfare benefits or similar payments; 
 (g) the future value of the Shares underlying the Option is unknown, indeterminable, and cannot be predicted with certainty; 
 (h) if the underlying Shares do not increase in value, the Option will have no value; 
 (i) if Participant exercises the Option and acquires Shares, the value of such Shares may increase or decrease in value, even below the Exercise Price; 

(j) for purposes of the Option, Participant’s engagement as a Service Provider will be considered terminated as of the date
Participant is no longer actively providing services to the Company or any Parent or Subsidiary (regardless of the reason for such termination and whether or not later found to be invalid or in breach of employment laws in the jurisdiction where
Participant is a Service Provider or the terms of Participant’s engagement agreement, if any), and unless otherwise expressly provided in this Agreement or determined by the Administrator, (i) Participant’s right to vest in the Option
under the Plan, if any, will terminate as of such date and will not be extended by any notice period (e.g., Participant’s period of service would not include any contractual notice period or any period of “garden leave” or similar
period mandated under employment laws in the jurisdiction where Participant is a Service Provider or Participant’s engagement agreement, if any, unless Participant is providing bona fide services during such time); and (ii) the period (if
any) during which Participant may exercise the Option after such termination of Participant’s engagement as a Service Provider will commence on the date Participant ceases to actively provide services and will not be extended by any notice
period mandated under employment laws in the jurisdiction 

  
 7 

 
where Participant is employed or terms of Participant’s engagement agreement, if any; the Administrator shall have the exclusive discretion to determine when Participant is no longer
actively providing services for purposes of his or her Option grant (including whether Participant may still be considered to be providing services while on a leave of absence); 

(k) unless otherwise provided in the Plan or by the Company in its discretion, the Option and the benefits evidenced by this Agreement do
not create any entitlement to have the Option or any such benefits transferred to, or assumed by, another company nor to be exchanged, cashed out or substituted for, in connection with any corporate transaction affecting the Shares; and 

(l) the following provisions apply only if Participant is providing services outside the United States: 

 

	 	(i)	the Option and the Shares subject to the Option are not part of normal or expected compensation or salary for any purpose; 

 

	 	(ii)	Participant acknowledges and agrees that none of the Company, the Employer, or any Parent or Subsidiary shall be liable for any foreign exchange rate fluctuation
between Participant’s local currency and the United States Dollar that may affect the value of the Option or of any amounts due to Participant pursuant to the exercise of the Option or the subsequent sale of any Shares acquired upon exercise;
and 

  

	 	(iii)	no claim or entitlement to compensation or damages shall arise from forfeiture of the Option resulting from the termination of Participant’s engagement as a
Service Provider (for any reason whatsoever, whether or not later found to be invalid or in breach of employment laws in the jurisdiction where Participant is a Service Provider or the terms of Participant’s engagement agreement, if any), and
in consideration of the grant of the Option to which Participant is otherwise not entitled, Participant irrevocably agrees never to institute any claim against the Company, any Parent, any Subsidiary or the Employer, waives his or her ability, if
any, to bring any such claim, and releases the Company, any Subsidiary and the Employer from any such claim; if, notwithstanding the foregoing, any such claim is allowed by a court of competent jurisdiction, then, by participating in the Plan,
Participant shall be deemed irrevocably to have agreed not to pursue such claim and agrees to execute any and all documents necessary to request dismissal or withdrawal of such claim. 

10. No Advice Regarding Grant. The Company is not providing any tax, legal or financial advice, nor is the Company making any
recommendations regarding Participant’s participation in the Plan, or Participant’s acquisition or sale of the underlying Shares. Participant is hereby advised to consult with his or her own personal tax, legal and financial advisors
regarding his or her participation in the Plan before taking any action related to the Plan. 

  
 8 

 11. Data Privacy. Participant hereby
explicitly and unambiguously consents to the collection, use and transfer, in electronic or other form, of Participant’s personal data as described in this Agreement and any other Option grant materials by and among, as applicable, the
Employer, the Company and any Parent or Subsidiary for the exclusive purpose of implementing, administering and managing Participant’s participation in the Plan. 
 Participant understands that the Company and the Employer may hold certain personal information about Participant, including, but not limited to, Participant’s name, home address and telephone
number, date of birth, social insurance number or other identification number, salary, nationality, job title, any shares of stock or directorships held in the Company, details of all Options or any other entitlement to stock awarded, canceled,
exercised, vested, unvested or outstanding in Participant’s favor (“Data”), for the exclusive purpose of implementing, administering and managing the Plan. 

Participant understands that Data will be transferred to a stock plan service provider as may be selected by the Company in the
future, which is assisting the Company with the implementation, administration and management of the Plan. Participant understands that the recipients of the Data may be located in the United States or elsewhere, and that the recipient’s
country (e.g., the United States) may have different data privacy laws and protections than Participant’s country. Participant understands that if he or she resides outside the United States, he or she may request a list with the names and
addresses of any potential recipients of the Data by contacting his or her local human resources representative. Participant authorizes the Company and any other possible recipients which may assist the Company (presently or in the future) with
implementing, administering and managing the Plan to receive, possess, use, retain and transfer the Data, in electronic or other form, for the sole purposes of implementing, administering and managing Participant’s participation in the Plan.
Participant understands that Data will be held only as long as is necessary to implement, administer and manage Participant’s participation in the Plan. Participant understands that if he or she resides outside the United States, he or she may,
at any time, view Data, request additional information about the storage and processing of Data, require any necessary amendments to Data or refuse or withdraw the consents herein, in any case without cost, by contacting in writing his or her local
human resources representative. Further, Participant understands that he or she is providing the consents herein on a purely voluntary basis. If Participant does not consent, or if Participant later seeks to revoke his or her consent, his or her
engagement as a Service Provider and career with the Employer will not be adversely affected; the only adverse consequence of refusing or withdrawing Participant’s consent is that the Company would not be able to grant Participant Options or
other equity awards or administer or maintain such awards. Therefore, Participant understands that refusing or withdrawing his or her consent may affect Participant’s ability to participate in the Plan. For more information on the consequences
of Participant’s refusal to consent or withdrawal of consent, Participant understands that he or she may contact his or her local human resources representative. 

12. Address for Notices. Any notice to be given to the Company under the terms of this Agreement will be
addressed to the Company at RingCentral, Inc., 1400 Fashion Island Blvd., 7th Floor, San Mateo, CA 94404, or at such other address as the Company may hereafter designate in writing. 

  
 9 

 13. 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 Participant only by Participant. 
 14. 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. 
 15. Additional Conditions to Issuance of Stock. If at
any time the Company will determine, in its discretion, that the listing, registration, qualification or rule compliance of the Shares upon any securities exchange or under any state, federal or foreign law, the tax code and related regulations or
the consent or approval of any governmental regulatory authority is necessary or desirable as a condition to the purchase by, or issuance of Shares to, Participant (or his or her estate) hereunder, such purchase or issuance will not occur unless and
until such listing, registration, qualification, rule compliance, consent or approval will have been completed, 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, federal or foreign law or securities exchange and to obtain any such consent or approval of any such governmental authority or securities exchange. Assuming such compliance, for income tax purposes the Exercised
Shares will be considered transferred to Participant on the date the Option is exercised with respect to such Exercised Shares. 

16. Plan Governs. This Agreement is subject to all terms and provisions of the Plan. In the event of a conflict between one or
more provisions of this Agreement and one or more provisions of the Plan, the provisions of the Plan will govern. Capitalized terms used and not defined in this Agreement will have the meaning set forth in the Plan. 

17. Administrator Authority. The Administrator will have the power to interpret the Plan and this Agreement and to adopt such
rules for the administration, interpretation and application of the Plan as are consistent therewith and to interpret or revoke any such rules (including, but not limited to, the determination of whether or not any Shares subject to the Option have
vested). All actions taken and all interpretations and determinations made by the Administrator in good faith will be final and binding upon Participant, the Company and all other interested persons. No member of the Administrator will be personally
liable for any action, determination or interpretation made in good faith with respect to the Plan or this Agreement. 
 18.
Electronic Delivery and Acceptance. The Company may, in its sole discretion, decide to deliver any documents related to Options awarded under the Plan or future options that may be awarded under the Plan by electronic means or request
Participant’s consent to participate in the Plan by electronic means. Participant hereby consents to receive such documents by electronic delivery and agrees to participate in the Plan through any on-line or electronic system established and
maintained by the Company or a third party designated by the Company. 
 19. Captions. Captions provided herein are for
convenience only and are not to serve as a basis for interpretation or construction of this Agreement. 

  
 10 

 20. Language. If Participant has received this Agreement, or any other document
related to the Option and/or the Plan translated into a language other than English and if the meaning of the translated version is different than the English version, the English version will control. 

21. Agreement Severable. In the event that any provision in this Agreement will be held invalid or unenforceable, such provision
will be severable from, and such invalidity or unenforceability will not be construed to have any effect on, the remaining provisions of this Agreement. 
 22. Amendment, Suspension or Termination of the Plan. By accepting this Award, Participant expressly warrants that he or she has received an Option under the Plan, and has received, read and
understood a description of the Plan. Participant understands that the Plan is discretionary in nature and may be amended, suspended or terminated by the Company at any time. 
 23. Governing Law and Venue. This Agreement will be governed by the laws of Delaware, without giving effect to the conflict of law principles thereof. For purposes of litigating any dispute that
arises under this Option or this Agreement, the parties hereby submit to and consent to the jurisdiction of the State of California, and agree that such litigation will be conducted in the courts of San Mateo County, California, or the
federal courts for the United States for the Northern District of California, and no other courts, where this Option is made and/or to be performed. 
 24. Appendix. Notwithstanding any provisions in this Agreement, the Option grant shall be subject to any special terms and conditions set forth in any appendix to this Agreement for
Participant’s country (the “Appendix”). Moreover, if Participant relocates to one of the countries included in the Appendix, the special terms and conditions for such country will apply to Participant, to the extent the Company
determines that the application of such terms and conditions is necessary or advisable for legal or administrative reasons. The Appendix constitutes part of this Agreement. 
 25. Modifications to the Agreement. This Agreement constitutes the entire understanding of the parties on the subjects covered. Participant expressly warrants that he or she is not accepting this
Agreement in reliance on any promises, representations, or inducements other than those contained herein. Modifications to this Agreement or the Plan can be made only in an express written contract executed by a duly authorized officer of the
Company. Notwithstanding anything to the contrary in the Plan or this Agreement, the Company reserves the right to revise this Agreement as it deems necessary or advisable, in its sole discretion and without the consent of Participant, to comply
with Code Section 409A or to otherwise avoid imposition of any additional tax or income recognition under Section 409A of the Code in connection with the Option. 
 26. Waiver. Participant acknowledges that a waiver by the Company of breach of any provision of this Agreement shall not operate or be construed as a waiver of any other provision of this
Agreement, or of any subsequent breach by Participant or any other Participant. 

  
 11 

 Appendix 

 
  
  

 
  
  

 

  
 12 

 EXHIBIT B 

RINGCENTRAL, INC. 
 2013 EQUITY INCENTIVE PLAN 
 EXERCISE NOTICE 

RingCentral, Inc. 
 1400
Fashion Island Blvd., 7th Floor 

San Mateo, CA 94404 
 Attention: Stock
Administration 
 1. Exercise of Option. Effective as of today,
                ,                 , the undersigned (“Purchaser”)
hereby elects to purchase                          shares (the “Shares”) of the Common Stock of
RingCentral, Inc. (the “Company”) under and pursuant to the 2013 Equity Incentive Plan (the “Plan”) and the Stock Option Agreement dated
                         (the “Agreement”). The purchase price for the Shares will be
$            , as required by the Agreement. 
 2.
Delivery of Payment. Purchaser herewith delivers to the Company the full purchase price of the Shares and any required tax withholding to be paid in connection with the exercise of the Option. 

3. Representations of Purchaser. Purchaser acknowledges that Purchaser has received, read and understood the Plan and the
Agreement and agrees to abide by and be bound by their terms and conditions. 
 4. Rights as Stockholder. 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 Shares, no right to vote or receive dividends or any other rights as a stockholder will exist with respect to
the Shares subject to the Option, notwithstanding the exercise of the Option. The Shares so acquired will be issued to Purchaser as soon as practicable after 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 of issuance, except as provided in Section 14 of the Plan. 
 5. Tax
Consultation. Purchaser understands that Purchaser may suffer adverse tax consequences as a result of Purchaser’s purchase or disposition of the Shares. Purchaser represents that Purchaser has consulted with any tax consultants Purchaser
deems advisable in connection with the purchase or disposition of the Shares and that Purchaser is not relying on the Company for any tax advice. 

  
 1 

 6. Entire Agreement; Governing Law. The Plan and Agreement are incorporated herein by
reference. This Exercise Notice, the Plan and the 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 Purchaser
with respect to the subject matter hereof, and may not be modified adversely to the Purchaser’s interest except by means of a writing signed by the Company and Purchaser. This agreement is governed by the internal substantive laws, but not the
choice of law rules, of Delaware. 
  

					
	 Submitted by:
	  		 	Accepted by:
			
	PURCHASER	  		 	RINGCENTRAL, INC.
			
	  
	  		 	  

	Signature	  		 	By
			
	  
	  		 	  

	Print Name	  		 	Its
			
	Address:	  		 	
			
	  
	  		 	
			
	  
	  		 	
			
		  		 	
			
		  		 	  

		  		 	Date Received

  
 2 

 RINGCENTRAL, INC. 

2013 EQUITY INCENTIVE PLAN 
 RESTRICTED STOCK UNIT AGREEMENT 
 Unless otherwise defined herein, the
terms defined in the RingCentral, Inc. 2013 Equity Incentive Plan (the “Plan”) will have the same defined meanings in this Restricted Stock Unit Agreement (the “Award Agreement”), which includes the Notice of Restricted Stock
Unit Grant (the “Notice of Grant”) and Terms and Conditions of Restricted Stock Unit Grant, attached hereto as Exhibit A. 

NOTICE OF RESTRICTED STOCK UNIT GRANT 
  

			
	 Participant Name:
	  	
		
	 Address:
	  	

 Participant has been granted the right to receive an Award of Restricted Stock Units, subject to the
terms and conditions of the Plan and this Award Agreement, as follows: 
  

			
	 Grant Number
	 	  

		
	 Date of Grant
	 	  

		
	 Vesting Commencement Date
	 	  

		
	Number of Restricted Stock Units	 	  

 Vesting Schedule: 
 Subject to any acceleration provisions contained in the Plan or set forth below, the Restricted Stock Units will vest in accordance with the following schedule: 

[Twenty-five percent (25%) of the Restricted Stock Units will vest on the one (1) year anniversary of the Vesting
Commencement Date, and twenty-five percent (25%) of the Restricted Stock Units will vest each year thereafter on the same day as the Vesting Commencement Date, subject to Participant continuing to be a Service Provider through each such
date.] 
 Notwithstanding the foregoing, the vesting of the Restricted Stock Units shall be subject to any vesting
acceleration provisions applicable to the Restricted Stock Units contained in the Plan and/or any employment or service agreement, offer letter, change in control severance agreement, or any other agreement that, prior to and effective as of
the date of this Award Agreement, has been entered into between Participant and the Company or any parent or subsidiary corporation of the Company (such agreement, a “Separate Agreement”) to the extent not otherwise duplicative of the
vesting terms described above (by way of example, if a Separate Agreement provides for different acceleration of vesting provisions for all of Participant’s restricted stock units upon a termination of Participant as a Service Provider for
“good reason” 

 
that is defined differently, and the Participant’s status as a Service Provider terminates in a manner that would trigger “good reason” under the Separate Agreement but not under
this Award Agreement, the Participant would remain entitled to the acceleration of vesting under the Separate Agreement). 
 In
the event Participant ceases to be a Service Provider for any or no reason before Participant vests in the Restricted Stock Units, the Restricted Stock Units and Participant’s right to acquire any Shares hereunder will immediately terminate.

 By Participant’s signature and the signature of the representative of RingCentral, Inc. (the “Company”) below,
Participant and the Company agree that this Award of Restricted Stock Units is granted under and governed by the terms and conditions of the Plan and this Award Agreement, including the Terms and Conditions of Restricted Stock Unit Grant, attached
hereto as Exhibit A, all of which are made a part of this document. Participant has reviewed the Plan and this Award Agreement in their entirety, has had an opportunity to obtain the advice of counsel prior to executing this Award Agreement
and fully understands all provisions of the Plan and Award 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 Award
Agreement. Participant further agrees to notify the Company upon any change in the residence address indicated below. 
  

					
	PARTICIPANT:	  		 	RINGCENTRAL, INC.
			
	  
	  		 	  

	Signature	  		 	By
			
	  
	  		 	  

	Print Name	  		 	Title
			
	Residence Address:	  		 	
			
	  
	  		 	
			
	  
	  		 	

  
 2 

 EXHIBIT A 

TERMS AND CONDITIONS OF RESTRICTED STOCK UNIT GRANT 
 1. Grant. The Company hereby grants to the individual named in the Notice of Grant (the “Participant”) under the Plan an Award of Restricted Stock Units, subject to all of the terms and
conditions in this Award Agreement, the Plan, and the Separate Agreement (as applicable), which are incorporated herein by reference. Subject to Section 18(c) of the Plan, in the event of a conflict between the terms and conditions of the Plan
and the terms and conditions of this Award Agreement, the terms and conditions of the Plan will prevail. 
 2. Company’s
Obligation to Pay. Each Restricted Stock Unit represents the right to receive a Share on the date it vests. Unless and until the Restricted Stock Units will have vested in the manner set forth in Sections 3 or 4, Participant will have no
right to payment of any such Restricted Stock Units. Prior to actual payment of any vested Restricted Stock Units, such Restricted Stock Units will represent an unsecured obligation of the Company, payable (if at all) only from the general assets of
the Company. Any Restricted Stock Units that vest in accordance with Sections 3 or 4 will be paid to Participant (or in the event of Participant’s death, to his or her estate) in whole Shares, subject to Participant satisfying any obligations
for Tax-Related Items (as defined in Section 7). Subject to the provisions of Section 4, such vested Restricted Stock Units shall be paid in whole Shares as soon as practicable after vesting, but in each such case within the period sixty
(60) days following the vesting date. In no event will Participant be permitted, directly or indirectly, to specify the taxable year of the payment of any Restricted Stock Units payable under this Award Agreement. 

3. Vesting Schedule. Except as provided in Section 4, and subject to Section 5, the Restricted Stock Units awarded by
this Award Agreement will vest in accordance with the vesting provisions set forth in the Notice of Grant. Restricted Stock Units scheduled to vest on a certain date or upon the occurrence of a certain condition will not vest in Participant in
accordance with any of the provisions of this Award Agreement, unless Participant will have been continuously a Service Provider from the Date of Grant until the date such vesting occurs. 

4. Administrator Discretion. The Administrator, in its discretion, may accelerate the vesting of the balance, or some lesser
portion of the balance, of the unvested Restricted Stock Units at any time, subject to the terms of the Plan. If so accelerated, such Restricted Stock Units will be considered as having vested as of the date specified by the Administrator. The
payment of Shares vesting pursuant to this Section 4 shall in all cases be paid at a time or in a manner that is exempt from, or complies with, Section 409A. 
 Notwithstanding anything in the Plan or this Award Agreement to the contrary, if the vesting of the balance, or some lesser portion of the balance, of the Restricted Stock Units is accelerated in
connection with Participant’s termination as a Service Provider (provided that such termination is a “separation from service” within the meaning of Section 409A, as determined by the Company), other than due to death, and
if (x) Participant is a “specified employee” within the meaning of Section 409A at the time of such termination as a Service Provider and (y) the payment of such accelerated Restricted Stock Units will result in the
imposition of additional tax under Section 409A if paid to Participant on or within the six (6)

  
 3 

 
month period following Participant’s termination as a Service Provider, then the payment of such accelerated Restricted Stock Units will not be made until the date six (6) months and
one (1) day following the date of Participant’s termination as a Service Provider, unless Participant dies following his or her termination as a Service Provider, in which case, the Restricted Stock Units will be paid in Shares to
Participant’s estate as soon as practicable following his or her death. It is the intent of this Award Agreement that it and all payments and benefits hereunder be exempt from, or comply with, the requirements of Section 409A so that none
of the Restricted Stock Units provided under this Award Agreement or Shares issuable thereunder will be subject to the additional tax imposed under Section 409A, and any ambiguities herein will be interpreted to be so exempt or so comply. Each
payment payable under this Award Agreement is intended to constitute a separate payment for purposes of Treasury Regulation Section 1.409A-2(b)(2). For purposes of this Award Agreement, “Section 409A” means Section 409A of the
Code, and any final Treasury Regulations and Internal Revenue Service guidance thereunder, as each may be amended from time to time. 
 5. Forfeiture upon Termination of Status as a Service Provider. Notwithstanding any contrary provision of this Award Agreement, the balance of the Restricted Stock Units that have not vested as of
the time of Participant’s termination as a Service Provider for any or no reason and Participant’s right to acquire any Shares hereunder will immediately terminate. The date of Participant’s termination as a Service Provider is
detailed in Section 10(h). 
 6. Death of Participant. Any distribution or delivery to be made to Participant under
this Award Agreement will, if Participant is then deceased, be made to Participant’s designated beneficiary, or if no beneficiary survives Participant, the administrator or executor of Participant’s estate. Any such transferee 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. Withholding of Taxes. Notwithstanding any contrary provision of this Award Agreement, no certificate representing
the Shares will be issued to Participant, unless and until satisfactory arrangements (as determined by the Administrator) will have been made by Participant with respect to the payment of income, employment, social insurance, payroll tax, fringe
benefit tax, payment on account or other tax-related items related to Participant’s participation in the Plan and legally applicable to Participant (“Tax-Related Items”) which the Company determines must be withheld with respect to
such Shares. Prior to vesting and/or settlement of the Restricted Stock Units, Participant will pay or make adequate arrangements satisfactory to the Company and/or Participant’s employer (the “Employer”) to satisfy all withholding
and payment obligations of Tax-Related Items of the Company and/or the Employer. In this regard, Participant authorizes the Company and/or the Employer to withhold any Tax-Related Items legally payable by Participant from his or her wages or other
cash compensation paid to Participant by the Company and/or the Employer or from proceeds of the sale of Shares. Alternatively, or in addition, if permissible under applicable local law, the Administrator, in its sole discretion and pursuant to such
procedures as it may specify from time to time, may permit or require Participant to satisfy such tax withholding obligation, in whole or in part (without limitation) by (a) paying cash, (b) electing to have the Company withhold otherwise
deliverable Shares having a Fair Market Value equal to the minimum amount required to be withheld, (c) selling a sufficient number of such Shares otherwise deliverable to Participant 

  
 4 

 
through such means as the Company may determine in its sole discretion (whether through a broker or otherwise) equal to the amount required to be withheld, or (d) if Participant is a U.S.
employee, delivering to the Company already vested and owned Shares having a Fair Market Value equal to the amount required to be withheld. To the extent determined appropriate by the Company in its discretion, it will have the right (but not the
obligation) to satisfy any obligations for Tax-Related Items by reducing the number of Shares otherwise deliverable to Participant [and, until determined otherwise by the Company, this will be the method by which such tax withholding obligations are
satisfied]. Further, if Participant is subject to tax in more than one jurisdiction between the Date of Grant and a date of any relevant taxable or tax withholding event, as applicable, Participant acknowledges and agrees that the Company and/or the
Employer (or former employer, as applicable) may be required to withhold or account for tax in more than one jurisdiction. If Participant fails to make satisfactory arrangements for the payment of any Tax-Related Items hereunder at the time any
applicable Restricted Stock Units otherwise are scheduled to vest pursuant to Sections 3 or 4 or Tax-Related Items related to Restricted Stock Units otherwise are due, Participant will permanently forfeit such Restricted Stock Units and any right to
receive Shares thereunder and the Restricted Stock Units will be returned to the Company at no cost to the Company. 
 8.
Rights as Stockholder. Neither Participant nor any person claiming under or through 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 Participant. After such issuance, recordation and delivery, Participant will have all the
rights of a stockholder of the Company with respect to voting such Shares and receipt of dividends and distributions on such Shares. 
 9. No Guarantee of Continued Service. PARTICIPANT ACKNOWLEDGES AND AGREES THAT THE VESTING OF THE RESTRICTED STOCK UNITS PURSUANT TO THE VESTING SCHEDULE HEREOF IS EARNED ONLY BY CONTINUING AS A
SERVICE PROVIDER AT THE WILL OF THE COMPANY (OR THE PARENT OR SUBSIDIARY EMPLOYING OR RETAINING PARTICIPANT) AND NOT THROUGH THE ACT OF BEING HIRED, BEING GRANTED THIS AWARD OF RESTRICTED STOCK UNITS OR ACQUIRING SHARES HEREUNDER. PARTICIPANT
FURTHER ACKNOWLEDGES AND AGREES THAT THIS AWARD AGREEMENT, THE TRANSACTIONS CONTEMPLATED HEREUNDER AND THE VESTING SCHEDULE SET FORTH HEREIN DO NOT CONSTITUTE AN EXPRESS OR IMPLIED PROMISE OF CONTINUED ENGAGEMENT AS A SERVICE PROVIDER FOR THE
VESTING PERIOD, FOR ANY PERIOD, OR AT ALL, AND WILL NOT INTERFERE IN ANY WAY WITH PARTICIPANT’S RIGHT OR THE RIGHT OF THE COMPANY (OR THE PARENT OR SUBSIDIARY EMPLOYING OR RETAINING PARTICIPANT) TO TERMINATE PARTICIPANT’S RELATIONSHIP AS A
SERVICE PROVIDER AT ANY TIME, WITH OR WITHOUT CAUSE. 
 10. Nature of Grant. In accepting the grant, Participant
acknowledges, understands and agrees that: 

  
 5 

	 	(a)	the Plan is established voluntarily by the Company, it is discretionary in nature and it may be modified, amended, suspended or terminated by the Company at any time,
to the extent permitted by the Plan; 

  

	 	(b)	the grant of the Restricted Stock Units is voluntary and occasional and does not create any contractual or other right to receive future grants of Restricted Stock
Units, or benefits in lieu of Restricted Stock Units, even if Restricted Stock Units have been granted in the past; 

  

	 	(c)	all decisions with respect to future Restricted Stock Units or other grants, if any, will be at the sole discretion of the Company; 

 

	 	(d)	Participant is voluntarily participating in the Plan; 

  

	 	(e)	the Restricted Stock Units and the Shares subject to the Restricted Stock Units are not intended to replace any pension rights or compensation;

  

	 	(f)	the Restricted Stock Units and the Shares subject to the Restricted Stock Units, and the income and value of same, are not part of normal or expected compensation for
purposes of calculating any severance, resignation, termination, redundancy, dismissal, end-of-service payments, bonuses, long-service awards, pension or retirement or welfare benefits or similar payments; 

 

	 	(g)	the future value of the underlying Shares is unknown, indeterminable and cannot be predicted with certainty; 

 

	 	(h)	for purposes of the Restricted Stock Units, Participant’s status as a Service Provider will be considered terminated as of the date Participant is no longer
actively providing services to the Company or any Parent or Subsidiary (regardless of the reason for such termination and whether or not later to be found invalid or in breach of employment laws in the jurisdiction where Participant is a Service
Provider or the terms of Participant’s service agreement, if any), and unless otherwise expressly provided in this Award Agreement or determined by the Administrator, Participant’s right to vest in the Restricted Stock Units under the
Plan, if any, will terminate as of such date and will not be extended by any notice period (e.g., Participant’s period of service would not include any contractual notice period or any period of “garden leave” or similar period
mandated under employment laws in the jurisdiction where Participant is a Service Provider or the terms of Participant’s service agreement, if any, unless Participant is providing bona fide services during such time); the Administrator shall
have the exclusive discretion to determine when Participant is no longer actively providing services for purposes of the Restricted Stock Units grant (including whether Participant may still be considered to be providing services while on a leave of
absence); 

  

	 	(i)	unless otherwise provided in the Plan or by the Company in its discretion, the Restricted Stock Units and the benefits evidenced by this Award Agreement do not create
any entitlement to have the Restricted Stock Units or any such benefits transferred to, or assumed by, another company nor be exchanged, cashed out or substituted for, in connection with any corporate transaction affecting the Shares; and

  
 6 

	 	(j)	the following provisions apply only if Participant is providing services outside the United States: 

 

	 	i.	the Restricted Stock Units and the Shares subject to the Restricted Stock Units are not part of normal or expected compensation or salary for any purpose;

  

	 	ii.	Participant acknowledges and agrees that none of the Company, the Employer, or any Parent or Subsidiary shall be liable for any foreign exchange rate fluctuation
between Participant’s local currency and the United States Dollar that may affect the value of the Restricted Stock Units or of any amounts due to Participant pursuant to the settlement of the Restricted Stock Units or the subsequent sale of
any Shares acquired upon settlement; and 

  

	 	iii.	no claim or entitlement to compensation or damages shall arise from forfeiture of the Restricted Stock Units resulting from the termination of Participant’s status
as a Service Provider (for any reason whatsoever whether or not later found to be invalid or in breach of employment laws in the jurisdiction where Participant is a Service Provider or the terms of Participant’s service agreement, if any), and
in consideration of the grant of the Restricted Stock Units to which Participant is otherwise not entitled, Participant irrevocably agrees never to institute any claim against the Company, any Subsidiary or the Employer, waives his or her
ability, if any, to bring any such claim, and releases the Company, any Parent, any Subsidiary and the Employer from any such claim; if, notwithstanding the foregoing, any such claim is allowed by a court of competent jurisdiction, then, by
participating in the Plan, Participant shall be deemed irrevocably to have agreed not to pursue such claim and agrees to execute any and all documents necessary to request dismissal or withdrawal of such claim. 

11. No Advice Regarding Grant. The Company is not providing any tax, legal or financial advice, nor is the Company making any
recommendations regarding Participant’s participation in the Plan, or Participant’s acquisition or sale of the underlying Shares. Participant is hereby advised to consult with his or her own personal tax, legal and financial advisors
regarding his or her participation in the Plan before taking any action related to the Plan. 
 12.
Data Privacy. Participant hereby explicitly and unambiguously consents to the collection, use and transfer, in electronic or other form, of Participant’s personal data as described in this Award Agreement and
any other Restricted Stock Unit grant materials by and among, as applicable, the Employer, the Company and any Parent or Subsidiary for the exclusive purpose of implementing, administering and managing Participant’s participation in the Plan.

  
 7 

 Participant understands that the Company and the Employer may hold certain personal
information about Participant, including, but not limited to, Participant’s name, home address and telephone number, date of birth, social insurance number or other identification number, salary, nationality, job title, any shares of stock or
directorships held in the Company, details of all Restricted Stock Units or any other entitlement to shares of stock awarded, canceled, exercised, vested, unvested or outstanding in Participant’s favor (“Data”), for the exclusive
purpose of implementing, administering and managing the Plan. 
 Participant understands that Data will be
transferred to a stock plan service provider as may be selected by the Company in the future, which is assisting the Company with the implementation, administration and management of the Plan. Participant understands that the recipients of the Data
may be located in the United States or elsewhere, and that the recipients’ country (e.g., the United States) may have different data privacy laws and protections than Participant’s country. Participant understands that if he or she resides
outside the United States, he or she may request a list with the names and addresses of any potential recipients of the Data by contacting his or her local human resources representative. Participant authorizes the Company, any stock plan service
provider selected by the Company and any other possible recipients which may assist the Company (presently or in the future) with implementing, administering and managing the Plan to receive, possess, use, retain and transfer the Data, in electronic
or other form, for the sole purpose of implementing, administering and managing his or her participation in the Plan. Participant understands that Data will be held only as long as is necessary to implement, administer and manage Participant’s
participation in the Plan. Participant understands if he or she resides outside the United States, he or she may, at any time, view Data, request additional information about the storage and processing of Data, require any necessary amendments to
Data or refuse or withdraw the consents herein, in any case without cost, by contacting in writing his or her local human resources representative. Further, Participant understands that he or she is providing the consents herein on a purely
voluntary basis. If Participant does not consent, or if Participant later seeks to revoke his or her consent, his or her status as a Service Provider and career with the Employer will not be adversely affected; the only adverse consequence of
refusing or withdrawing Participant’s consent is that the Company would not be able to grant Participant Restricted Stock Units or other equity awards or administer or maintain such awards. Therefore, Participant understands that refusing or
withdrawing his or her consent may affect Participant’s ability to participate in the Plan. For more information on the consequences of Participant’s refusal to consent or withdrawal of consent, Participant understands that he or she may
contact his or her local human resources representative. 
 13. Address for Notices. Any
notice to be given to the Company under the terms of this Award Agreement will be addressed to the Company at RingCentral, Inc., 1400 Fashion Island Blvd., 7th Floor, San Mateo, CA 94404, or at such other address as the Company may hereafter designate in writing. 

14. Grant is Not Transferable. Except to the limited extent provided in Section 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. 

  
 8 

 15. Binding Agreement. Subject to the limitation on the transferability of this grant
contained herein, this Award Agreement will be binding upon and inure to the benefit of the heirs, legatees, legal representatives, successors and assigns of the parties hereto. 

16. Additional Conditions to Issuance of Stock. If at any time the Company will determine, in its discretion, that the listing,
registration, qualification or rule compliance of the Shares upon any securities exchange or under any state, federal or foreign law, the tax code and related regulations or the consent or approval of any governmental regulatory authority is
necessary or desirable as a condition to the issuance of Shares to Participant (or his or her estate) hereunder, such issuance will not occur unless and until such listing, registration, qualification, rule compliance, consent or approval will have
been completed, effected or obtained free of any conditions not acceptable to the Company. Where the Company determines that the delivery of the payment of any Shares will violate federal securities laws or other applicable laws, the Company will
defer delivery until the earliest date at which the Company reasonably anticipates that the delivery of Shares will no longer cause such violation. The Company will make all reasonable efforts to meet the requirements of any such state, federal or
foreign law or securities exchange and to obtain any such consent or approval of any such governmental authority or securities exchange. 
 17. Plan Governs. This Award Agreement is subject to all terms and provisions of the Plan. In the event of a conflict between one or more provisions of this Award Agreement and one or more
provisions of the Plan, the provisions of the Plan will govern. Capitalized terms used and not defined in this Award Agreement will have the meaning set forth in the Plan. 
 18. Administrator Authority. The Administrator will have the power to interpret the Plan and this Award Agreement and to adopt such rules for the administration, interpretation and application of
the Plan as are consistent therewith and to interpret or revoke any such rules (including, but not limited to, the determination of whether or not any Restricted Stock Units have vested). All actions taken and all interpretations and determinations
made by the Administrator in good faith will be final and binding upon Participant, the Company and all other interested persons. No member of the Administrator will be personally liable for any action, determination or interpretation made in good
faith with respect to the Plan or this Award Agreement. 
 19. Electronic Delivery and Acceptance. The Company may, in
its sole discretion, decide to deliver any documents related to Restricted Stock Units awarded under the Plan or future Restricted Stock Units that may be awarded under the Plan by electronic means or request Participant’s consent to
participate in the Plan by electronic means. Participant hereby consents to receive such documents by electronic delivery and agrees to participate in the Plan through any on-line or electronic system established and maintained by the Company or a
third party designated by the Company. 
 20. Language. If Participant has received this Award Agreement or any other
document related to the Plan translated into a language other than English and if the meaning of the translated version is different than the English version, the English version will control. 

  
 9 

 21. Captions. Captions provided herein are for convenience only and are not to serve
as a basis for interpretation or construction of this Award Agreement. 
 22. Agreement Severable. In the event that any
provision in this Award Agreement will be held invalid or unenforceable, such provision will be severable from, and such invalidity or unenforceability will not be construed to have any effect on, the remaining provisions of this Award Agreement.

 23. Amendment, Suspension or Termination of the Plan. By accepting this Award, Participant expressly warrants that he
or she has received an Award of Restricted Stock Units under the Plan, and has received, read and understood a description of the Plan. Participant understands that the Plan is discretionary in nature and may be amended, suspended or terminated by
the Company at any time. 
 24. Governing Law and Venue. This Award Agreement will be governed by the laws of Delaware
without giving effect to the conflict of law principles thereof. For purposes of litigating any dispute that arises under this Award of Restricted Stock Units or this Award Agreement, the parties hereby submit to and consent to the jurisdiction of
the State of California, and agree that such litigation will be conducted in the courts of San Mateo County, California, or the federal courts for the United States for the Northern District of California, and no other courts, where this Award of
Restricted Stock Units is made and/or to be performed. 
 25. Appendix. Notwithstanding any provisions in this Award
Agreement, the Restricted Stock Unit grant shall be subject to any special terms and conditions set forth in any appendix to this Award Agreement for Participant’s country (the “Appendix”). Moreover, if Participant relocates to one of
the countries included in the Appendix, the special terms and conditions for such country will apply to Participant, to the extent the Company determines that the application of such terms and conditions is necessary or advisable for legal or
administrative reasons. The Appendix constitutes part of this Award Agreement. 
 26. Modifications to the Award
Agreement. This Award Agreement constitutes the entire understanding of the parties on the subjects covered. Participant expressly warrants that he or she is not accepting this Award Agreement in reliance on any promises, representations, or
inducements other than those contained herein. Modifications to this Award Agreement or the Plan can be made only in an express written contract executed by a duly authorized officer of the Company. Notwithstanding anything to the contrary in the
Plan or this Award Agreement, the Company reserves the right to revise the Award Agreement as it deems necessary or advisable, in its sole discretion and without the consent of Participant, to comply with Section 409A or to otherwise avoid
imposition of any additional tax or income recognition under Section 409A in connection to this Award of Restricted Stock. 

27. Waiver. Participant acknowledges that a waiver by the Company of breach of any provision of this Award Agreement shall not
operate or be construed as a waiver of any other provision of this Award Agreement, or of any subsequent breach by Participant or any other Participant. 

  
 10 

 APPENDIX 

 
  
  

 
  
  

  
 11EX-10.4

 Exhibit 10.4 
 [RINGCENTRAL LETTERHEAD] 
 January 12, 2012 

To: Robert Lawson 
 Re: Offer Letter

 Dear Robert, 
 It is my pleasure to
offer you an exempt position as a member of the executive team with RingCentral, Inc., a California corporation (the “Company” or “RingCentral”), as Chief Financial Officer, reporting to me. We understand that from
February 16 through February 29, 2012, you will also be providing services to Codexis as an employee of Codexis. As of March 1, 2012, you will be a full-time exempt employee of RingCentral. 

Your starting compensation plan will be as follows: 
  

	 	•	 	 Salary. Annual gross base salary of $250,000 per year (subject to standard withholding and payroll deductions), payable semi-monthly in
accordance with the Company’s payroll policies. 

  

	 	•	 	 MBO Performance Bonus. 

  

	 	•	 	 You shall be eligible to receive an annual management-by-objective (MBO) bonus in the target gross amount of forty percent (40%) of your annual
base salary ($100,000 per year) based on the Company’s performance against its annual board plan and multi-year projections. 

  

	 	•	 	 All MBO performance bonuses shall be paid on or before February 15th. If the Company and you disagree about whether an MBO milestone has been achieved, you and the Company shall promptly
meet and confer in good faith to attempt to resolve the matter on mutually agreeable terms. 

  

	 	•	 	 Stock Options. Subject to board approval, you will be issued 565,037 stock options (i.e., 1.0% of the fully diluted capital stock of the
Company). The exercise price of the stock options will be equal to the fair market value per share of the Company’s common stock on the date of grant. Your stock options shall be subject to the terms of the Company’s 2010 Equity Incentive
Plan (the “2010 Plan”). All of your stock options shall vest over a 4-year vesting schedule as follows: provided you remain an employee of the Company, 25% of the stock options shall vest on the first anniversary of the Vesting
Commencement Date (i.e., your employment Start Date), and the remaining options shall vest in equal installments at the rate of 1/48th per month on a monthly basis thereafter. Subject to applicable law, your stock options will be issued as
incentive stock options. 

  

	 	•	 	 Double-Trigger Stock Option Vesting Acceleration. If the Company consummates a “Change of Control (defined below) any time after your Start
Date and, (i) you are terminated by the Company within 60 days prior to the Change of Control and/or not hired by the surviving / successor entity, or (ii) within 12 months after the Change of Control, your employment is terminated by the
successor/surviving company without Cause or you terminate your employment with the successor/surviving company for “Good Reason” (defined below), then fifty percent (50%) of your then unvested stock options shall immediately vest and
be exercisable in accordance with the terms and conditions of your Stock Option Agreement. 

  

	 	•	 	 “Change of Control” means the occurrence of any of the following events: (A) any consolidation or merger of the Company with or into any
other corporation or other entity or person, or any other corporate reorganization after which the 

	 	 
stockholders of the Company immediately prior to such consolidation, merger or reorganization, fail to own at least 50% of the voting power of the surviving entity immediately following such
consolidation, merger or reorganization, (B) any transaction or series of related transactions to which the Company is a party in which in excess of fifty percent (50% ) of the Company’s voting power is transferred, but excluding in the
case of (A) and (B) (x) any consolidation or merger effected exclusively to change the domicile or state of incorporation of the Company, or (y) any transaction or series of transactions principally for bona fide equity financing
purposes in which cash is received by the Company or indebtedness of the Company is cancelled or converted or a combination thereof, or (C) a sale, lease or other disposition of all or substantially all of the assets of the Company.

  

	 	•	 	 “Cause” means any of the following: (i) fraud, misappropriation, embezzlement or breach of fiduciary duty, (ii) intentional or
gross negligent breach of the provisions of applicable Company agreements signed by you (e.g., Confidentiality Agreement, PIIA) or Company policies, (iii) repeated failure to perform services hereunder or (iv) incapacity, only after the
expiration of a period the length of which shall be determined by the Company’s HR Department pursuant to the then applicable sick leave policy. 

  

	 	•	 	 “Good Reason” means any of the following actions taken by the Company or a successor corporation or entity without your consent:
(i) reduction of more than 5% of your overall compensation (it being agreed that your failure to achieve or be paid any target MBO bonus does not constitute a 5% reduction of your overall compensation); (ii) material reduction in your
duties; or (iii) relocation of your principal place of employment to a place greater than 30 miles from the Company’s then-principal executive offices. For clarification and the avoidance of doubt, a “material reduction in your
duties” shall not be deemed to occur because you are offered employment with and/or are working for a division or subsidiary of the successor-company or acquirer as CFO of such a division or subsidiary (or, if such division or subsidiary does
not have a CFO, as the most senior finance person of such division or subsidiary) following the Change of Control. 

  

	 	•	 	 Benefits. You will be eligible to participate in the Company’s standard health and benefits plans and will be provided with 10 Company
holiday-vacation days and 15 days of paid-time off in accordance with the Company’s policies for other employees of your position. When you begin employment, you will be provided with a complete description of these Company policies, and you
will be required to sign the Company’s standard HR and administrative forms to be eligible to receive such benefits. 

 As a condition of your employment, you will need to sign our standard employee invention assignment and confidentiality agreement (“PIIA”). You expressly agree not to bring any third party
confidential information to the Company, including that of Codexis, and that in performing your duties for the Company you will not in any way utilize any such information. This is especially critical during the period of time that you will be
performing services for both Codexis and the Company. We understand from you that Codexis has consented to you providing services for both Codexis and the Company. Just as Codexis expects you to continue to abide by your obligations regarding its
confidential and proprietary information, the Company has the same expectations and by signing below, you agree that your employment with the Company is contingent upon you not bringing or utilizing any third party information. 

  

 For purposes of federal immigration law, you may be required to provide to us documentary
evidence of your identity and eligibility for employment in the United States. You must provide such documentation to us within three (3) business days of request as a condition of this offer and of your employment. Your failure to comply with
this condition gives us the right to immediately terminate our employment relationship with you. 
 Your continual employment
with the Company at all times is strictly “at will.” This means that you may terminate your employment with the Company at any time and for any reason whatsoever, simply by notifying the company. Likewise, the Company may terminate your
employment at any time and for any reason whatsoever, with or without cause or advance notice. Subject to applicable state and federal law, in the case of any termination, the Company is under no obligation to pay you any severance and the Company
shall have no outstanding obligations to you except your right to exercise your then-currently vested stock options in accordance with 2010 Plan. This at-will employment relationship cannot be changed except in writing, signed by the Chief Executive
Officer or General Counsel of the Company. 
 In the unlikely event of a dispute between Company and you arising out of or
related to your employment, including any matter related to the stock options or the termination of your employment for any reason whatsoever, we each agree to submit our dispute to binding arbitration in the County of San Mateo, California under
the Federal Arbitration Act if we are unable to resolve the dispute after meeting and conferring in good faith within 45 days. This means that there will be no court or jury trial of disputes between us concerning your employment or the termination
of your employment. To the extent any such prospective arbitration concerns claims arising out of your employment with the Company, the Company will pay all of the arbitration costs. While this agreement to arbitrate is intended to be broad (and
covers, for example, claims under state and federal laws prohibiting discrimination on the basis of race, sex, age, disability, family leave, etc.), it is not applicable to your rights under the California Workers’ Compensation Law, which are
governed under the special provisions of that law, or to enforcement of the attached agreement concerning confidential information and ownership of inventions. 
 Your employment start date shall be February 15, 2012 (the “Start Date”) unless otherwise mutually agreed by the parties in writing. 

I really look forward to working with you. We have high hopes that you will contribute in a very tangible and visible manner to our
continued success. 
  

					
	 Sincerely,
  
	  		  	ACCEPTED
	/s/ Vlad Shmunis	  		  	/s/ Robert Lawson
	 Vlad Shmunis
	  		  	 Robert Lawson

	Chief Executive Officer	  		  	
	RingCentral, Inc.	  		  	Date: 1/27/12

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