Prepared by R.R. Donnelley Financial -- EX-10.6



 Exhibit 10.6 
 BOXTONE INC. 
 AMENDED AND RESTATED STOCK INCENTIVE PLAN 

SECTION 1. Purpose; Definitions. This BoxTone Inc. Amended and Restated Stock Incentive Plan (the “Plan”)
amends and restates the BoxTone Inc. Stock Incentive Plan (the “Prior Plan”) which Prior Plan was originally effective January 31, 2001. The purposes of the Plan are to: (a) enable BoxTone Inc. (the
“Company”) to recruit and retain highly qualified employees, consultants, directors and other service providers; (b) provide those employees, consultants, directors and other service providers with an incentive for
productivity; and (c) provide those employees, consultants, directors and other service providers with an opportunity to share in the growth and value of the Company. 
 For purposes of the Plan, the following initially capitalized words and phrases will be defined as set forth below, unless the context clearly requires a different meaning: 

(a) “Affiliate” means, with respect to a Person, a Person that directly or indirectly controls, or is controlled by, or
is under common control with such Person. 
 (b) “Award” means a grant of Options, SARs, Restricted Stock, or
Restricted Stock Units pursuant to the provisions of the Plan. 
 (c) “Award Agreement” means, with respect to
any particular Award, the written document that sets forth the terms of that particular Award. 
 (d) “Board”
means the Board of Directors of the Company, as constituted from time to time; provided, however, that if the Board appoints a Committee or delegate to perform some or all of the Board’s administrative functions hereunder pursuant
to Section 2, references in the Plan to the “Board” will be deemed to also refer to that Committee or delegate in connection with matters to be performed by that Committee or delegate. 

(e) “Cause” means (i) conviction of, or the entry of a plea of guilty or no contest to, a felony or any other crime
that causes the Company or its Affiliates public disgrace or disrepute, or adversely affects the Company’s or its Affiliates’ operations or financial performance, (ii) gross negligence or willful misconduct with respect to the Company
or any of its Affiliates, including, without limitation fraud, embezzlement, theft or proven dishonesty in the course of employment; (iii) alcohol abuse or use of controlled drugs other than in accordance with a physician’s prescription;
or (iv) material breach of any agreement with or duty owed to the Company or any of its Affiliates. Notwithstanding the foregoing, if a Participant and the Company (or any of its Affiliates) have entered into an employment agreement, consulting
agreement or other similar agreement that specifically defines “cause,” then with respect to such Participant, “Cause” shall have the meaning defined in that employment agreement, consulting agreement or other agreement.

 (f) “Change in Control” means the occurrence of any of the following, in one transaction or a series of
related transactions: (i) the sale, transfer, assignment or other disposition 







 
(including by merger or consolidation) in one transaction or a series of related transactions, of more than 50% of the voting power represented by the then outstanding capital stock of the
Company, (ii) the sale or other disposition of substantially all the assets of the Company, (iii) the liquidation or dissolution of the Company, or (iv) any other similar transaction or event deemed by the Board to constitute a Change
in Control for purposes of this Plan. 
 (g) “Code” means the Internal Revenue Code of 1986, as amended from
time to time, and any successor thereto. 
 (h) “Committee” means a committee appointed by the Board in
accordance with Section 2 of the Plan. 
 (i) “Director” means a member of the Board. 

(j) “Disability” means a total and permanent disability, as defined in Section 22(e)(3) of the Code. 

(k) “Exchange Act” means the Securities Exchange Act of 1934, as amended. 

(l) “Fair Market Value” means, as of any date: (i) if the Shares are not then publicly traded, the value of such
Shares on that date, as determined by the Board in its sole and absolute discretion; or (ii) if the Shares are publicly traded, the closing price for a Share on that date on the principal national securities exchange on which the Shares are
listed or admitted to trading or, if the Shares are not listed or admitted to trading on any national securities exchange, but are traded in the over-the-counter market, the closing sale price of a Share on that date or, if no sale is publicly
reported, the average of the closing bid and asked prices on that date, as furnished by two members of the National Association of Securities Dealers, Inc. who make a market in the common stock selected from time to time by the Company for that
purpose. 
 (m) “Incentive Stock Option” means any Option intended to be and designated as an “Incentive
Stock Option” within the meaning of Section 422 of the Code. 
 (n) “Non-Employee Director” will have
the meaning set forth in Rule 16b-3(b)(3)(i) promulgated by the Securities and Exchange Commission under the Exchange Act, or any successor definition adopted by the Securities and Exchange Commission; provided, however, that the Board
or the Committee may, to the extent that it deems necessary to comply with Section 162(m) of the Code or regulations thereunder, require that each “Non-Employee Director” also be an “outside director” as that term is defined
in regulations under Section 162(m) of the Code. 
 (o) “Non-Qualified Stock Option” means any Option that
is not an Incentive Stock Option. 
 (p) “Option” means any option to purchase Shares (including Restricted
Stock, if the Board so determines) granted pursuant to Section 5 hereof. 
 (q) “Parent” means, in
respect of the Company, a “parent corporation” as defined in Sections 424(e) of the Code. 

  
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 (r) “Participant” means an employee, consultant, Director, or other service
provider of or to the Company or any of its Affiliates to whom an Award is granted. 
 (s) “Person” means an
individual, partnership, corporation, limited liability company, trust, joint venture, unincorporated association, or other entity or association. 
 (t) “Restricted Stock” means Shares that are subject to restrictions pursuant to Section 8 hereof. 
 (u) “Restricted Stock Unit” means a right granted under and subject to restrictions pursuant to Section 9 hereof. 

(v) “SAR” means a stock appreciation right granted under the Plan and described in Section 6 hereof.

 (w) “Shares” means shares of the Company’s common stock, par value $0.001, subject to substitution or
adjustment as provided in Section 3(c) hereof. 
 (x) “Subsidiary” means, in respect of the
Company, a subsidiary company as defined in Sections 424(f) and (g) of the Code. 
 SECTION 2.
Administration. The Plan will be administered by the Board; provided, however, that the Board may at any time appoint a Committee or delegate to perform some or all of the Board’s administrative functions hereunder;
and provided further, that the authority of any Committee or delegate appointed pursuant to this Section 2 will be subject to such terms and conditions as the Board may prescribe and will be coextensive with, and not in lieu of,
the authority of the Board hereunder. 
 Subject to the requirements of the Company’s by-laws and certificate of
incorporation, and any other agreement that governs the appointment of Board committees, any Committee established under this Section 2 will be composed of not fewer than two members, each of whom will serve for such period of time as
the Board determines; provided, however, that if the Company has a class of securities required to be registered under Section 12 of the Exchange Act, all members of any Committee established pursuant to this Section 2
will be Non-Employee Directors. From time to time the Board may increase the size of the Committee and appoint additional members thereto, remove members (with or without cause) and appoint new members in substitution therefor, fill vacancies
however caused, or remove all members of the Committee and thereafter directly administer the Plan. 
 Any delegate appointed
under this Section 2 will be an officer of the Company and will not be empowered to make awards to, or amend awards held by, himself or other officers or directors of the Company. Any such delegation may be limited to the extent
necessary to comply with Section 157 of the Delaware General Corporation Law (or any successor provision) or any other applicable law. 
 The Board will have full authority to grant Awards under this Plan and determine the terms of such Awards. Such authority will include the right to: 

(a) select the persons to whom Awards may from time to time be granted hereunder (consistent with the eligibility conditions set forth
herein); 

  
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 (b) determine the type of Award to be granted to any person hereunder; 

(c) determine the number of Shares to be covered by each Award; 
 (d) establish the other terms and conditions of each Award issued under the Plan (and any Award Agreement); 
 (e) adopt, alter and repeal such administrative rules, guidelines and practices governing the Plan as it, from time to time, deems advisable; 

(f) interpret the terms and provisions of the Plan and any Award Agreement issued under the Plan; 

(g) correct any defect, supply any omission or reconcile any inconsistency in the Plan or in any Award Agreement in the manner and to the
extent it deems necessary to carry out the intent of the Plan; and 
 (h) otherwise supervise the administration of the Plan.

 All decisions made by the Board pursuant to the provisions of the Plan will be final and binding on all persons, including
the Company and Participants. No Director will be liable for any good faith determination, act or omission in connection with the Plan or any Award. 
 SECTION 3. Shares Subject to the Plan. 
 (a) Shares Subject to
the Plan. The Shares to be subject to or related to Awards under the Plan will be authorized and unissued Shares of the Company. The maximum number of Shares that may be issued in respect of Awards under the Plan is 623,633, which number
includes as of the effective date of this Plan, 0 Shares that were previously issued hereunder and that are not subject to forfeiture or repurchase by the Company, 0 Shares that were previously issued hereunder and that remain subject to forfeiture
or repurchase by the Company, 0 Shares reserved for issuance in connection with the exercise or settlement of outstanding Awards, and 623,633 Shares available for issuance in respect of new Awards (all Share numbers subject to adjustment described
in Section 3(c)). 
 (b) Effect of the Expiration or Termination of Awards. If and to the extent that an
Option or SAR, whether granted under this Plan or the Prior Plan, expires, terminates or is canceled or forfeited for any reason without having been exercised in full, the Shares associated with that Option or SAR will again become available for
grant under this Plan. Similarly, if and to the extent an Award of Restricted Stock or Restricted Stock Units, whether granted under this Plan or the Prior Plan, is canceled or forfeited for any reason, the Shares subject to that Award will again
become available for grant under this Plan. In addition, if and to the extent an Award, whether granted under this Plan or the Prior Plan, is settled for cash, the Shares subject thereto will again become available for grant under this Plan.
Finally, if any Share subject to an Award, whether granted under this Plan or the Prior Plan, is withheld in satisfaction of the exercise price or tax withholding associated with that Award, that Share will again become available for grant under the
Plan. 

  
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 (c) Other Adjustment. In the event of any recapitalization, reclassification,
reorganization, merger, consolidation, stock split or combination, stock dividend or other similar event or transaction affecting the Shares, equitable substitutions or adjustments will be made by the Board to: (i) the aggregate number, class
and/or issuer of the securities reserved for issuance under the Plan; (ii) the number, class and/or issuer of Shares subject to outstanding Awards; and (iii) the exercise price of outstanding Options and SARs. 

(d) Change in Control. Notwithstanding anything to the contrary set forth in the Plan, upon or in anticipation of any Change in
Control of the Company or any of its Affiliates, the Board may, in its sole and absolute discretion and without the need for the consent of any Participant, take one or more of the following actions contingent upon the occurrence of that Change in
Control: 
 (i) cause any or all outstanding Options or SARs to become vested and immediately exercisable, in whole or in part;

 (ii) cause any or all outstanding Restricted Stock or Restricted Stock Units to become non-forfeitable, in whole or in part;

 (iii) after providing reasonable advance notice of the Change in Control, cancel any or all vested Options and SARs upon
closing of the Change in Control to the extent not exercised prior to the closing of the Change in Control; 
 (iv) cancel any
Option or SAR in exchange for a substitute award in a manner consistent with the principles of Treas. Reg. §1.424-1(a) or any successor rule or regulation (notwithstanding the fact that the original Award may never have been intended to satisfy
the requirements for treatment as an Incentive Stock Option); 
 (v) cancel any Restricted Stock or Restricted Stock Units in
exchange for restricted stock or restricted stock units with respect to the capital stock of any successor corporation or its parent of equal value; 
 (vi) cancel any Option or SAR in exchange for cash and/or other substitute consideration with a value equal to (A) the number of Shares subject to that Option or SAR, multiplied by (B) the
amount, if any, by which the Fair Market Value per Share on the date of the Change in Control exceeds the exercise price of that Option or SAR; provided, that if the Fair Market Value per Share on the date of the Change in Control does not
exceed the exercise price of any such Option or SAR, the Board may cancel that Option or SAR without any payment of consideration therefor; or 
 (vii) redeem any share of Restricted Stock or any Restricted Stock Unit in exchange for cash and/or other substitute consideration with a value equal to the Fair Market Value per Share on the date of the
Change in Control. 

  
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 In the discretion of the Board, any cash or substitute consideration payable upon cancellation of an Award
may be subjected to (i) vesting terms substantially identical to those that applied to the cancelled Award immediately prior to the Change in Control, or (ii) earn-out, escrow, holdback or similar arrangements, to the extent such
arrangements are applicable to any consideration paid in connection with the Company. 
 SECTION 4. Eligibility.
Employees, Directors, consultants, and other individuals who provide services to the Company or its Affiliates are eligible to be granted Awards under the Plan; provided, however, that only employees of the
Company, its Parent or a Subsidiary are eligible to be granted Incentive Stock Options. 
 SECTION 5.
Options. Options granted under the Plan may be of two types: (i) Incentive Stock Options or (ii) Non-Qualified Stock Options. Any Option granted under the Plan will be in such form as the Board may at the time of such grant
approve. Without limiting the generality of Section 3(a), any or all of the Shares reserved for issuance under Section 3(a) may be issued in respect of Incentive Stock Options. 

The Award Agreement evidencing any Option will incorporate the following terms and conditions and will contain such additional terms and
conditions, not inconsistent with the terms of the Plan, as the Board deems appropriate in its sole and absolute discretion: 

(a) Option Price. The exercise price per Share purchasable under any Option will be determined by the Board and, in the case of an
Incentive Stock Option, will not be less than 100% of the Fair Market Value per Share on the date of the grant. However, any Incentive Stock Option granted to any Participant who, at the time the Option is granted, owns more than 10% of the voting
power of all classes of shares of the Company, its Parent or a Subsidiary will have an exercise price per Share of not less than 110% of Fair Market Value per Share on the date of the grant. 

(b) Option Term. The term of each Option will be fixed by the Board, but no Option will be exercisable more than 10 years after
the date the Option is granted. However, any Incentive Stock Option granted to any Participant who, at the time such Option is granted, owns more than 10% of the voting power of all classes of shares of the Company, its Parent or a Subsidiary may
not have a term of more than five years. No Option may be exercised by any person after expiration of the term of the Option. 

(c) Exercisability. Options will vest and be exercisable at such time or times and subject to such terms and conditions as
determined by the Board. 
 (d) Method of Exercise. Subject to the exercisability and termination provisions set forth
herein and in the applicable Award Agreement, Options may be exercised in whole or in part at any time and from time to time during the term of the Option, by the delivery of written notice of exercise by the Participant to the Company specifying
the number of Shares to be purchased. Such notice will be accompanied by payment in full of the purchase price, either by certified or bank check, or such other means as the Board may accept. As determined by the Board in its sole discretion on or
after the date of grant, payment in full or in part of the exercise price of an Option issued to a Participant may be made in the form of previously acquired Shares based on the 

  
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Fair Market Value of the Shares on the date the Option is exercised; provided, however, that, in the case of an Incentive Stock Option, the right to make a payment in the form of
previously acquired Shares may be authorized only at the time the Option is granted. 
 No Shares will be issued upon exercise
of an Option until full payment therefor has been made. A Participant will not have the right to distributions or dividends or any other rights of a stockholder with respect to Shares subject to an Option until the Participant has given written
notice of exercise, has paid in full for such Shares, if requested, has given the representation described in Section 11(a) hereof and fulfills such other conditions as may be set forth in the applicable Award Agreement. 

(e) Incentive Stock Option Limitations. In the case of an Incentive Stock Option, the aggregate Fair Market Value (determined as
of the time of grant) of the Shares with respect to which Incentive Stock Options are exercisable for the first time by the Participant during any calendar year under the Plan and/or any other plan of the Company, its Parent or any Subsidiary will
not exceed $100,000. For purposes of applying the foregoing limitation, Incentive Stock Options will be taken into account in the order granted. To the extent any Option does not meet such limitation, that Option will be treated for all purposes as
a Non-Qualified Stock Option. 
 (f) Termination of Service. Unless otherwise specified in the applicable Award
Agreement, Options will be subject to the terms of Section 7 with respect to exercise upon or following termination of employment or other service. 
 (g) Transferability of Options. Except as may otherwise be specifically determined by the Board with respect to a particular Option, no Option will be transferable by the Participant other than by
will or by the laws of descent and distribution and, during the Participant’s lifetime, an Option will be exercisable only by the Participant (or, in the event of the Participant’s Disability, by his personal representative). 

SECTION 6. Stock Appreciation Rights. 
 (a) Nature of Award. Upon the exercise of a SAR, its holder will be entitled to receive an amount equal to the excess (if any) of: (i) the Fair Market Value of the Shares as to which the SAR
is then being exercised, over (ii) the Fair Market Value of those Shares as of the date the SAR was granted (subject to adjustment in accordance with Section 3(c)). Such amount may be paid in either cash and/or Shares, as determined
by the Board in its discretion. 
 (b) Terms and Conditions. The Award Agreement evidencing any SAR will incorporate the
following terms and conditions and will contain such additional terms and conditions, not inconsistent with the terms of the Plan, as the Board deems appropriate in its sole and absolute discretion: 

(i) Term of SAR. Unless otherwise specified in the Award Agreement, the term of a SAR will be ten years. 

(ii) Exercisability. SARs will vest and become exercisable at such time or times and subject to such terms and conditions as will
be determined by the Board. 

  
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 (iii) Method of Exercise. Subject to the exercisability and termination provisions
set forth herein and in the applicable Award Agreement, SARs may be exercised in whole or in part from time to time during their term by delivery of written notice to the Company specifying the portion of the SAR to be exercised. 

(iv) Termination of Service. Unless otherwise specified in the Award Agreement, SARs will be subject to the terms of
Section 7 with respect to exercise upon termination of employment or other service. 
 (v)
Non-Transferability. Except as may otherwise be specifically determined by the Board with respect to a particular SAR: (A) SARs may not be sold, pledged, assigned, hypothecated, gifted, transferred or disposed of in any manner either
voluntarily or involuntarily by operation of law, other than by will or by the laws of descent or distribution, and (B) during the Participant’s lifetime, SARs will be exercisable only by the Participant (or, in the event of the
Participant’s Disability, by his or her personal representative). 
 SECTION 7. Termination of Service.
Unless otherwise specified by the Board with respect to a particular Option or SAR, any portion of an Option or SAR that is not exercisable upon termination of service will expire immediately and automatically upon such termination and any portion
of an Option or SAR that is exercisable upon termination of service will expire on the date it ceases to be exercisable in accordance with this Section 7. 
 (a) Termination by Reason of Death. If a Participant’s service with the Company or any Affiliate terminates by reason of death, any Option or SAR held by such Participant may thereafter be
exercised, to the extent it was exercisable at the time of his or her death, by the legal representative of the estate or by the legatee of the Participant under the will of the Participant, for a period ending (i) at such time as may be
specified by the Board at or after the time of grant, or (ii) if not specified by the Board, then 12 months from the date of death, or (iii) if sooner than the applicable period specified under (i) or (ii) above, then upon the
expiration of the stated term of such Option or SAR. 
 (b) Termination by Reason of Disability. If a Participant’s
service with the Company or any Affiliate terminates by reason of Disability, any Option or SAR held by such Participant may thereafter be exercised by the Participant or his personal representative, to the extent it was exercisable at the time of
termination, for a period ending (i) at such time as may be specified by the Board at or after the time of grant, or (ii) if not specified by the Board, then 12 months from the date of termination of service, or (iii) if sooner than
the applicable period specified under (i) or (ii) above, then upon the expiration of the stated term of such Option or SAR. 
 (c) Cause. If a Participant’s service with the Company or any Affiliate is terminated for Cause: (i) any Option or SAR held by the Participant will immediately and automatically expire as
of the date of such termination, and (ii) any Shares for which the Company has not yet delivered share certificates will be immediately and automatically forfeited and the Company will refund to the Participant the Option exercise price paid
for such Shares, if any. 

  
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 (d) Other Termination. If a Participant’s service with the Company or any
Affiliate terminates for any reason other than death, Disability or Cause, any Option or SAR held by such Participant may thereafter be exercised by the Participant, to the extent it was exercisable at the time of such termination, for a period
ending (i) at such time as may be specified by the Board at or after the time of grant, or (ii) if not specified by the Board, then 90 days from the date of termination of service (irrespective of the manner or timing of the termination
and without regard to whether the service has been terminated with reasonable notice of termination), or (iii) if sooner than the applicable period specified under (i) or (ii) above, then upon the expiration of the stated term of such
Option or SAR. 
 SECTION 8. Restricted Stock. 

(a) Issuance. Restricted Stock may be issued either alone or in conjunction with other Awards. The Board will determine the time
or times within which Restricted Stock may be subject to forfeiture, and all other conditions of such Awards. 
 (b)
Certificates. The Award Agreement evidencing the grant of any Restricted Stock will contain such terms and conditions, not inconsistent with the terms of the Plan, as the Board deems appropriate in its sole and absolute discretion. The
prospective recipient of an Award of Restricted Stock will not have any rights with respect to such Award, unless and until such recipient has delivered to the Company an executed Award Agreement and has otherwise complied with the applicable terms
and conditions of such Award. The purchase price for Restricted Stock may, but need not, be zero. 
 Any share certificate
issued in connection with an Award of Restricted Stock will bear the following legend and/or any other legend required by this Plan, the applicable Award Agreement or applicable law: 

THE TRANSFERABILITY OF THIS CERTIFICATE AND THE SHARES REPRESENTED HEREBY ARE SUBJECT TO THE TERMS AND CONDITIONS OF THE BOXTONE INC.
AMENDED AND RESTATED STOCK INCENTIVE PLAN AND AN AGREEMENT ENTERED INTO BETWEEN THE [PARTICIPANT] AND BOXTONE INC. (WHICH TERMS AND CONDITIONS MAY INCLUDE, WITHOUT LIMITATION, CERTAIN TRANSFER RESTRICTIONS, REPURCHASE RIGHTS AND FORFEITURE
CONDITIONS). COPIES OF THAT PLAN AND AGREEMENT ARE ON FILE IN THE PRINCIPAL OFFICES OF BOXTONE INC. AND WILL BE MADE AVAILABLE TO THE HOLDER OF THIS CERTIFICATE WITHOUT CHARGE UPON REQUEST TO THE SECRETARY OF BOXTONE INC. 

Any share certificates evidencing Restricted Stock will be held in custody by the Company or in escrow by an escrow agent until the restrictions thereon
have lapsed. As a condition to any Restricted Stock award, the Participant may be required to deliver to the Company a share power, endorsed in blank, relating to the Shares covered by such Award. 

  
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 (c) Restrictions and Conditions. Restricted Stock will be subject to the following
restrictions and conditions, and any other restrictions and conditions set forth in the applicable Award Agreement. 
 (i)
During a period commencing with the date of an Award of Restricted Stock and ending at such time or times as specified by the Board (the “Restriction Period”), the Participant will not be permitted to sell, transfer, pledge, assign
or otherwise encumber Restricted Stock awarded under the Plan. The Board may condition the lapse of restrictions on Restricted Stock upon the continued employment or service of the recipient, the attainment of specified individual or corporate
performance goals, or such other factors as the Board may determine, in its sole and absolute discretion. 
 (ii) Except as
otherwise provided herein or in the applicable Award Agreement, once Restricted Stock has been awarded to a Participant, that Participant will have, with respect to the Restricted Stock, all of the rights of a stockholder of the Company, including
the right to vote the Shares, and the right to receive any cash distributions or dividends. The Board, in its sole discretion, may require cash distributions or dividends to be subjected to the same Restriction Period as is applicable to the
Restricted Stock with respect to which such amounts are paid, or if the Board so determines, reinvested in additional Restricted Stock to the extent Shares are available under Section 3(a). Any distributions or dividends paid in the form
of securities with respect to Restricted Stock will be subject to the same terms and conditions as the Restricted Stock with respect to which they were paid, including, without limitation, the same Restriction Period. 

(iii) Subject to the applicable provisions of the Award Agreement, if a Participant’s service with the Company and its Affiliates
terminates prior to the expiration of the Restriction Period, all of that Participant’s Restricted Stock which then remain subject to forfeiture will then be forfeited automatically. 

(iv) If and when the Restriction Period applicable to certain Restricted Stock expires without a forfeiture of those Shares (or if and
when the restrictions applicable to Restricted Stock are removed pursuant to Section 3(d) or otherwise), any certificates evidencing that Restricted Stock will be replaced with new certificates, without the restrictive legends applicable
to such lapsed restrictions, and such new certificates will be promptly delivered to the Participant, the Participant’s representative (if the Participant has suffered a Disability), or the Participant’s estate or heir (if the Participant
has died). 
 SECTION 9. Restricted Stock Units. Restricted Stock Units may be granted hereunder, subject to such
terms and conditions as the Board may impose. Each Restricted Stock Unit will represent the right to receive from the Company, after fulfillment of any applicable conditions, a distribution from the Company in an amount equal to the Fair Market
Value (at the time of the distribution) of one Share. Distributions may be made in cash and/or Shares. Unless otherwise determined by the Board, Restricted Stock Units may not be sold, pledged, assigned, hypothecated, gifted, transferred or disposed
of in any manner, either voluntarily or involuntarily by 

  
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operation of law, other than by will or by the laws of descent or distribution. All other terms governing Restricted Stock Units, such as vesting, dividend equivalent rights, time and form of
payment and termination of units shall be set forth in the applicable Award Agreement. 
 SECTION 10. Amendments and
Termination. The Board may amend, alter or discontinue the Plan at any time, provided that no amendment, alteration or discontinuation will be made, without the approval of such amendment by the Company’s stockholders in a manner
consistent with the requirements of Treas. Reg. § 1.422-3 (or any successor provision), that would: (i) increase the total number of Shares reserved for issuance hereunder (except as otherwise provided in Section 3), or
(ii) change the classes of persons eligible to receive Awards. 
 SECTION 11. General Provisions. 

(a) The Board may require each Participant to represent to and agree with the Company in writing that the Participant is acquiring
securities of the Company for investment purposes and without a view to distribution thereof and as to such other matters as the Board believes are appropriate. 
 (b) Shares shall not be issued hereunder unless, in the judgment of counsel for the Company, the issuance complies with the requirements of any stock exchange or quotation system on which the Shares are
then listed or quoted, the Securities Act of 1933, the Exchange Act, all rules and regulations promulgated thereunder and all other applicable laws. 
 (c) All certificates for Shares or other securities delivered under the Plan will be subject to such share-transfer orders and other restrictions as the Board may deem advisable under the rules,
regulations, and other requirements of any stock exchange upon which the Shares are then listed and any applicable laws, and the Board may cause a legend or legends to be put on any such certificates to make appropriate reference to such
restrictions. 
 (d) Neither the adoption of the Plan nor the execution of any document in connection with the Plan will:
(i) confer upon any employee of the Company or an Affiliate any right to continued employment or engagement with the Company or such Affiliate, or (ii) interfere in any way with the right of the Company or such Affiliate to terminate the
employment of any of its employees at any time. 
 (e) No later than the date as of which an amount first becomes includible in
the gross income of the Participant for federal income tax purposes with respect to any Award, the Participant will pay to the Company, or make arrangements satisfactory to the Board regarding the payment of taxes of any kind required by law to be
withheld with respect to such amount. The obligations of the Company under the Plan will be conditioned on such payment or arrangements and the Company will have the right to deduct any such taxes from any payment of any kind otherwise due to the
Participant. Unless otherwise determined by the Board, the minimum required withholding obligation with respect to an Award may be settled in Shares, including the Shares that are subject to that Award. 

  
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 SECTION 12. Effective Date of Plan. The Plan will become effective on the date
that it is adopted by the Board. 
 SECTION 13. Term of Plan. The Plan will continue in effect until terminated in
accordance with Section 10; provided, however, that no Incentive Stock Option will be granted hereunder on or after the 10th anniversary of the effective date of the Plan (or, if the stockholders approve an amendment that
increases the number of shares subject to the Plan, the 10th anniversary of the date of such approval); but provided further, that Incentive Stock Options granted prior to such 10th anniversary may extend beyond that date. 

SECTION 14. Invalid Provisions. In the event that any provision of this Plan is found to be invalid or otherwise
unenforceable under any applicable law, such invalidity or unenforceability will not be construed as rendering any other provisions contained herein as invalid or unenforceable, and all such other provisions will be given full force and effect to
the same extent as though the invalid or unenforceable provision was not contained herein. 
 SECTION 15. Governing
Law. The Plan and all Awards granted hereunder will be governed by and construed in accordance with the laws of the State of Delaware, without regard to the application of the principles of conflicts of laws. 

SECTION 16. Board Action. Notwithstanding anything to the contrary set forth in the Plan, any and all actions of the Board
or Committee, as the case may be, taken under or in connection with the Plan and any agreements, instruments, documents, certificates or other writings entered into, executed, granted, issued and/or delivered pursuant to the terms hereof, will be
subject to and limited by any and all votes, consents, approvals, waivers or other actions of all or certain stockholders of the Company or other persons required by: 
 (a) the Company’s Certificate of Incorporation (as the same may be amended and/or restated from time to time); 
 (b) the Company’s Bylaws (as the same may be amended and/or restated from time to time); and 
 (c) any other agreement, instrument, document or writing now or hereafter existing, between or among the Company and its stockholders or other persons (as the same may be amended from time to time).


  
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