Document:

Amended and Restated Investors' Rights Agreement

 Exhibit 4.2 
 IWATT INC. 
 AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT

 This Amended and Restated Investors’ Rights Agreement (the “Agreement”) is made as of
March 24, 2009, by and among iWatt Inc., a California corporation (the “Company”), the investors listed on Exhibit A hereto, each of which is herein referred to as an “Investor,” and Arthur Collmeyer,
Mark Telefus, and Jim Patterson, each of whom is herein referred to as a “Founder”. 
 RECITALS

 WHEREAS, certain of the Investors (the “Existing Investors”) have purchased shares of the
Company’s Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock. 
 WHEREAS, certain of the Existing Investors have also purchased warrants to purchase shares of Preferred Stock of the Company pursuant to a Convertible Note and Warrant Purchase Agreement dated as of
February 10, 2005, a Convertible Note and Warrant Purchase Agreement dated as of December 14, 2007, as amended, a Convertible Note and Warrant Purchase Agreement dated as of March 19, 2008 and a Series E Preferred Stock and Warrant
Purchase Agreement dated June 23, 2008 (the “Bridge Warrants”). 
 WHEREAS, the Company and certain of the
Investors entered into a Loan and Security Agreement (the “Loan Agreement”) dated November 25, 2008. 

WHEREAS, the Existing Investors and the Company entered into the Amended and Restated Investors’ Rights Agreement dated
November 25, 2008 (the “Prior Agreement”). 
 WHEREAS, the Company and certain of the Investors are
entering into an Amended and Restated Series E Preferred Stock and Warrant Purchase Agreement (the “Amended Purchase Agreement”) dated of even date herewith and it is a condition to the parties’ obligations under the Amended
Purchase Agreement that the Company and the Investors enter into this Agreement. 
 WHEREAS, based on the changes contemplated
in this Agreement, the Prior Agreement may be amended with the consent of the Company and the holders of a majority of the Registrable Securities then outstanding, not including the Founders’ Stock (each as defined in the Prior Agreement).

 WHEREAS, the Company and the Existing Investors (who are holders of a majority of the outstanding Registrable Securities not
including the Founders’ Stock (each as defined in the Prior Agreement)) now wish to amend, restate and supersede the Prior Agreement in order to grant all of the Investors certain registration rights, information rights and a right of first
offer with respect to certain issuances by the Company of its securities. 
 NOW, THEREFORE, in consideration of the mutual
promises and covenants set forth herein, the Company and the Investors hereby agree that the Prior Agreement shall be superseded 

 
and replaced in its entirety by this Agreement and that all provisions of rights granted and covenants made in the Prior Agreement are hereby superseded in their entirety and shall have no
further force or effect, and 
 The parties hereto further agree as follows: 

AGREEMENT 
 1. Registration Rights. The Company and the Investors covenant and agree as follows: 
 1.1 Definitions. For purposes of this Section 1: 
 (a) The
terms “register, “registered,” and “registration” refer to a registration effected by preparing and filing a registration statement or similar document in compliance with the Securities Act of 1933, as
amended (the “Securities Act”), and the declaration or ordering of effectiveness of such registration statement or document; 
 (b) The term “Registrable Securities” means (i) the shares of Common Stock issuable or issued upon conversion of the Series A Preferred Stock, Series B Preferred Stock, Series C
Preferred Stock, Series D Preferred Stock or Series E Preferred Stock, other than shares for which registration rights have terminated pursuant to Section 1.16 hereof; (ii) the shares of Common Stock issued to the Founders as of
June 23, 2008 or issued or issuable on the exercise or other right under an equity incentive plan of the Company (the “Founders’ Stock”), provided, however, that for the purposes of Section 1.2, 1.4 or
1.13 the Founders’ Stock shall not be deemed Registrable Securities and the Founders shall not be deemed Holders; (iii) the shares of Common Stock issuable or issued upon conversion of up to 76,178 shares of Series A Preferred Stock and
42,134 shares of Series B Preferred Stock issuable upon exercise of warrants held by Silicon Valley Bank; (iv) the shares of Common Stock issuable or issued upon conversion of shares of Series C Preferred Stock issuable upon exercise of the
Bridge Warrants; (v) the shares of Common Stock issuable or issued upon conversion of shares of Series D Preferred Stock issuable upon exercise of the Bridge Warrants; (vi) the shares of Common Stock issuable or issued upon conversion of
shares of Series E Preferred Stock issuable upon exercise of the Bridge Warrants; (vii) the shares of Common Stock issuable or issued upon conversion of shares of Series E Preferred Stock issuable upon exercise of certain warrants issued
pursuant to the Series E Preferred Stock and Warrant Purchase Agreement dated June 23, 2008, as amended March 24, 2009; (viii) solely for purposes of the registration rights granted pursuant to Sections 1.3 and 1.4 below and the
related provisions of Section 1 below and for purposes of Sections 1.15, 2.1 and 2.2, all shares of Common Stock issuable upon the conversion of any shares of Series D Preferred Stock or Series E Preferred Stock issuable upon the exercise of
certain warrants issued to Silicon Valley Bank on or about November 25, 2008; and (ix) any other shares of Common Stock of the Company issued as (or issuable upon the conversion or exercise of any warrant, right or other security which is
issued as) a dividend or other distribution with respect to, or in exchange for or in replacement of, the shares listed in (i)-(viii); provided, however, that the foregoing definition shall exclude in all cases any Registrable
Securities sold by a person in a transaction in which his or her rights under this Agreement are not assigned. Notwithstanding the foregoing, Common Stock or other securities shall only be treated as Registrable Securities if and so long as they
have not been (A) sold to or through a broker or dealer or underwriter in a public distribution or a public securities transaction, or (B) sold in a transaction exempt from the registration and prospectus delivery requirements of the
Securities Act under Section 4(1) thereof so that all transfer restrictions, and restrictive legends with respect thereto, if any, are removed upon the consummation of such sale; 

  
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 (c) The number of shares of “Registrable Securities then outstanding”
shall be determined by the number of shares of Common Stock outstanding which are, and the number of shares of Common Stock issuable pursuant to then outstanding exercisable or convertible securities which would upon issuance be, Registrable
Securities; 
 (d) Subject to Section 1.1 (b)(ii), the term “Holder” means any person owning or having
the right to acquire Registrable Securities or any assignee thereof in accordance with Section 1.12 of this Agreement; 

(e) The term “Form S-3” means such form under the Securities Act as in effect on the date hereof or any successor form
under the Securities Act that permits significant incorporation by reference of the Company’s subsequent public filings under the Securities Exchange Act of 1934; 
 (f) The term “SEC” means the Securities and Exchange Commission; and 
 (g) The term “Qualified IPO” means a firm commitment underwritten public offering by the Company of shares of its Common Stock pursuant to a registration statement on Form S-1 under the
Securities Act, with a pre-offering valuation of at least $300 million and which results in aggregate cash proceeds to the Company of not less than $30,000,000 (net of underwriting discounts and commissions). 

1.2 Request for Registration. 
 (a) If the Company shall receive at any time after the earlier of (i) January     , 2012 or (ii) six (6) months after the effective date of the first registration
statement for a public offering of securities of the Company (other than a registration statement relating either to the sale of securities to employees of the Company pursuant to a stock option, stock purchase or similar plan or an SEC Rule 145
transaction), a written request from the Holders of a majority of the Registrable Securities then outstanding, that the Company file a registration statement under the Securities Act covering the registration of Registrable Securities with an
anticipated aggregate offering price, net of underwriting discounts and commissions, of at least $5,000,000, then the Company shall, within ten (10) days of the receipt thereof, give written notice of such request to all Holders
and shall, subject to the limitations of subsection 1.2(b), use its best efforts to effect as soon as practicable, and in any event within 60 days of the receipt of such request, the registration under the Securities Act of all Registrable
Securities which the Holders request to be registered within twenty (20) days of the mailing of such notice by the Company in accordance with Section 3.4. 
 (b) If the Holders initiating the registration request hereunder (“Initiating Holders”) intend to distribute the Registrable Securities covered by their request by means of an
underwriting, they shall so advise the Company as a part of their request made pursuant to this Section 1.2 and the Company shall include such information in the written notice referred to in subsection 1.2(a). The underwriter will be selected
by the Company and shall be reasonably acceptable to a majority in interest of the Initiating Holders. In such event, the right of any Holder to 

  
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include his Registrable Securities in such registration shall be conditioned upon such Holder’s participation in such underwriting and the inclusion of such Holder’s Registrable
Securities in the underwriting (unless otherwise mutually agreed by a majority in interest of the Initiating Holders and such Holder) to the extent provided herein. All Holders proposing to distribute their securities through such underwriting shall
(together with the Company as provided in subsection 1.5(e)) enter into an underwriting agreement in customary form with the underwriter or underwriters selected for such underwriting. Notwithstanding any other provision of this Section 1.2, if
the underwriter advises the Initiating Holders in writing that marketing factors require a limitation of the number of shares to be underwritten, then the Initiating Holders shall so advise all Holders of Registrable Securities which would otherwise
be underwritten pursuant hereto, and the number of shares of Registrable Securities that may be included in the underwriting shall be allocated among all Holders thereof, including the Initiating Holders in proportion (as nearly as practicable) to
the amount of Registrable Securities of the Company owned by each Holder; provided, however, that the number of shares of Registrable Securities to be included in such underwriting shall not be reduced unless all other securities are
first entirely excluded from the underwriting. 
 (c) Notwithstanding the foregoing, if the Company shall furnish to Holders
requesting a registration statement pursuant to this Section 1.2, a certificate signed by the President of the Company stating that in the good faith judgment of the Board of Directors of the Company, it would be seriously detrimental to the
Company and its shareholders for such registration statement to be filed and it is therefore essential to defer the filing of such registration statement, the Company shall have the right to defer such filing for a period of not more than 120 days
after receipt of the request of the Initiating Holders; provided, however, that the Company may not utilize this right more than once in any twelve-month period. 

(d) In addition, the Company shall not be obligated to effect, or to take any action to effect, any registration pursuant to this
Section 1.2: 
 (i) After the Company has effected two (2) registrations pursuant to this Section 1.2 and such
registrations have been declared or ordered effective; 
 (ii) During the period starting with the date sixty (60) days
prior to the Company’s good faith estimate of the date of filing of, and ending on a date one hundred eighty (180) days after the effective date of, a registration subject to Section 1.3 hereof; provided that the Company is actively
employing in good faith all reasonable efforts to cause such registration statement to become effective; or 
 (iii) If the
Initiating Holders propose to dispose of shares of Registrable Securities that may be immediately registered on Form S-3 pursuant to a request made pursuant to Section 1.4 below. 

1.3 Company Registration. If (but without any obligation to do so) the Company proposes to register (including for this
purpose a registration effected by the Company for shareholders other than the Holders) any of its stock under the Securities Act in connection with the public offering of such securities solely for cash (other than a registration relating solely to
the sale of securities to participants in a Company stock plan or a transaction covered by Rule 145 under the 

  
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Securities Act, a registration in which the only stock being registered is Common Stock issuable upon conversion of debt securities which are also being registered, or any registration on any
form which does not include substantially the same information as would be required to be included in a registration statement covering the sale of the Registrable Securities), the Company shall, at such time, promptly give each Holder written
notice of such registration. If a registration statement under which the Company gives notice under this Section 1.3 is for an underwritten offering, then the Company shall so advise the Holders of Registrable Securities in such notice. Upon
the written request of each Holder given within twenty (20) days after mailing of such notice by the Company in accordance with Section 3.4, the Company shall, subject to the provisions of Section 1.8, cause to be registered under the
Securities Act all of the Registrable Securities that each such Holder has requested to be registered. If a Holder decides not to include all of its Registrable Securities in any registration statement thereafter filed by the Company, such Holder
shall nevertheless continue to have the right to include any Registrable Securities in any subsequent registration statement or registration statements as may be filed by the Company with respect to offerings of its securities, all upon the terms
and conditions set forth herein. 
 1.4 Form S-3 Registration. In case the Company shall receive from any Holder
or Holders of Registrable Securities then outstanding a written request or requests that the Company effect a registration on Form S-3 and any related qualification or compliance with respect to all or a part of the Registrable Securities owned by
such Holder or Holders, the Company will: 
 (a) promptly give written notice of the proposed registration, and any related
qualification or compliance, to all other Holders; and 
 (b) as soon as practicable, effect such registration and all such
qualifications and compliances as may be so requested and as would permit or facilitate the sale and distribution of all or such portion of such Holder’s or Holders’ Registrable Securities as are specified in such request, together with
all or such portion of the Registrable Securities of any other Holder or Holders joining in such request as are specified in a written request given within twenty (20) days after receipt of such written notice from the Company; provided,
however, that the Company shall not be obligated to effect any such registration, qualification or compliance, pursuant to this Section 1.4: (i) if Form S-3 is not available for such offering by the Holders; (ii) if the
Holders, together with the holders of any other securities of the Company entitled to inclusion in such registration, propose to sell Registrable Securities and such other securities (if any) at an aggregate price to the public (net of any
underwriters’ discounts or commissions) of less than $5,000,000; (iii) if the Company shall furnish to the Holders a certificate signed by the President of the Company stating that in the good faith judgment of the Board of Directors of the
Company, it would be seriously detrimental to the Company and its shareholders for such Form S-3 Registration to be effected at such time, in which event the Company shall have the right to defer the filing of the Form S-3 registration statement for
a period of not more than 120 days after receipt of the request of the Holder or Holders under this Section 1.4; provided, however, that the Company shall not utilize this right more than once in any twelve month period;
(iv) if the Company has, within the six (6) month period preceding the date of such request, already effected one (1) registration on Form S-3 for the Holders pursuant to this Section 1.4; (v) in any particular jurisdiction
in which the Company would be required to qualify to do business or to execute a general consent to service of process in effecting such registration, qualification or compliance; or (vi) during the period ending one hundred eighty
(180) days after the effective date of a registration statement subject to Section 1.3. 

  
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 (c) Subject to the foregoing, the Company shall file a registration statement covering the
Registrable Securities and other securities so requested to be registered as soon as practicable after receipt of the request or requests of the Holders. Registrations effected pursuant to this Section 1.4 shall not be counted as demands for
registration or registrations effected pursuant to Sections 1.2 or 1.3, respectively. 
 1.5 Obligations of the
Company. Whenever required under this Section 1 to effect the registration of any Registrable Securities, the Company shall, as expeditiously as reasonably possible: 

(a) Prepare and file with the SEC a registration statement with respect to such Registrable Securities and use its best efforts to cause
such registration statement to become effective, and, upon the request of the Holders of a majority of the Registrable Securities registered thereunder, keep such registration statement effective for up to one hundred twenty (120) days. The
Company shall not be required to file, cause to become effective or maintain the effectiveness of any registration statement that contemplates a distribution of securities on a delayed or continuous basis pursuant to Rule 415 under the Securities
Act. 
 (b) Prepare and file with the SEC such amendments and supplements to such registration statement and the prospectus
used in connection with such registration statement as may be necessary to comply with the provisions of the Securities Act with respect to the disposition of all securities covered by such registration statement for up to one hundred twenty
(120) days. 
 (c) Furnish to the Holders such numbers of copies of a prospectus, including a preliminary prospectus, in
conformity with the requirements of the Securities Act, and such other documents as they may reasonably request in order to facilitate the disposition of Registrable Securities owned by them. 

(d) Use its best efforts to register and qualify the securities covered by such registration statement under such other securities or
Blue Sky laws of such jurisdictions as shall be reasonably requested by the Holders, provided that the Company shall not be required in connection therewith or as a condition thereto to qualify to do business or to file a general consent to
service of process in any such states or jurisdictions. 
 (e) In the event of any underwritten public offering, enter into and
perform its obligations under an underwriting agreement, in usual and customary form, with the managing underwriter of such offering. Each Holder participating in such underwriting shall also enter into and perform its obligations under such an
agreement. 
 (f) Notify each Holder of Registrable Securities covered by such registration statement at any time when a
prospectus relating thereto is required to be delivered under the Securities Act of the happening of any event as a result of which the prospectus included in such registration statement, as then in effect, includes an untrue statement of a material
fact or 

  
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omits to state a material fact required to be stated therein or necessary to make the statements therein not misleading in the light of the circumstances then existing, such obligation to
continue for one hundred twenty (120) days. 
 (g) Cause all such Registrable Securities registered pursuant hereunder to
be listed on each securities exchange on which similar securities issued by the Company are then listed. 
 (h) Provide a
transfer agent and registrar for all Registrable Securities registered pursuant hereunder and a CUSIP number for all such Registrable Securities, in each case not later than the effective date of such registration. 

(i) Use its best efforts to furnish, at the request of any Holder requesting registration of Registrable Securities pursuant to this
Section 1, on the date that such Registrable Securities are delivered to the underwriters for sale in connection with a registration pursuant to this Section 1, if such securities are being sold through underwriters, (i) an opinion,
dated such date, of the counsel representing the Company for the purposes of such registration, in form and substance as is customarily given to underwriters in an underwritten public offering, addressed to the underwriters and to the Holders
requesting registration of Registrable Securities and (ii) a letter dated such date, from the independent certified public accountants of the Company, in form and substance as is customarily given by independent certified public accountants to
underwriters in an underwritten public offering, addressed to the underwriters, if any, and to the Holders requesting registration of Registrable Securities. 
 1.6 Furnish Information. It shall be a condition precedent to the obligations of the Company to take any action pursuant to this Section 1 with respect to the Registrable Securities of
any selling Holder that such Holder shall furnish to the Company such information regarding itself, the Registrable Securities held by it, and the intended method of disposition of such securities as shall be required to effect the registration of
such Holder’s Registrable Securities. The Company shall have no obligation with respect to any registration requested pursuant to Section 1.2 or Section 1.4 of this Agreement if, as a result of the application of the preceding
sentence, the number of shares or the anticipated aggregate offering price of the Registrable Securities to be included in the registration does not equal or exceed the number of shares or the anticipated aggregate offering price required to
originally trigger the Company’s obligation to initiate such registration as specified in subsection 1.2(a) or subsection 1.4(b)(ii), whichever is applicable. 
 1.7 Expenses of Registration. 
 (a) Demand
Registration. All expenses other than underwriting discounts and commissions incurred in connection with registrations, filings or qualifications pursuant to Section 1.2, including (without limitation) all registration, filing and
qualification fees, printers’ and accounting fees, fees and disbursements of counsel for the Company, and the reasonable fees and disbursements of one counsel for the selling Holder or Holders, not to exceed $10,000, selected by them with the
approval of the Company, which approval shall not be unreasonably withheld, shall be borne by the Company; provided, however, that the Company shall not be required to pay for any expenses of any registration proceeding begun pursuant
to Section 1.2 

  
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if the registration request is subsequently withdrawn at the request of the Holders of a majority of the Registrable Securities to be registered (in which case all participating Holders shall
bear such expenses), unless (i) the withdrawal is based upon material adverse information concerning the Company of which the Initiating Holders were not aware at the time of such request or (ii) the Holders of a majority of the
Registrable Securities agree to forfeit their right to one demand registration pursuant to Section 1.2. 
 (b)
Company Registration. All expenses other than underwriting discounts and commissions incurred in connection with registrations, filings or qualifications of Registrable Securities pursuant to Section 1.3 for each Holder (which
right may be assigned as provided in Section 1.12), including (without limitation) all registration, filing and qualification fees, printers’ and accounting fees, fees and disbursements of counsel for the Company and the reasonable fees
and disbursements of one counsel for the selling Holder or Holders, not to exceed $10,000, selected by them with the approval of the Company, which approval shall not be unreasonably withheld, shall be borne by the Company. 

(c) Registration on Form S-3. All expenses other than underwriting discounts and commissions incurred in connection with a
registration requested pursuant to Section 1.4, including (without limitation) all registration, filing and qualification fees, printers’ and accounting fees, fees and disbursements of counsel for the Company and the reasonable fees and
disbursements of one counsel for the selling Holder or Holders, not to exceed $10,000, selected by them with the approval of the Company, which approval shall not be unreasonably withheld, shall be borne by the Company; provided, however, that the
Company shall not be required to bear expenses according to this Section 1.7(c) for more than five (5) registrations requested pursuant to Section 1.4. 
 1.8 Underwriting Requirements. In connection with any offering involving an underwriting of shares of the Company’s capital stock, the Company shall not be required under
Section 1.3 to include any of the Holders’ securities in such underwriting unless they accept the terms of the underwriting as agreed upon between the Company and the underwriters selected by it (or by other persons entitled to select the
underwriters), and then only in such quantity as the underwriters determine in their sole discretion will not jeopardize the success of the offering by the Company. If the total amount of securities, including Registrable Securities, requested by
shareholders to be included in such offering exceeds the amount of securities sold other than by the Company that the underwriters determine in their sole discretion is compatible with the success of the offering, then the Company shall be required
to include in the offering only that number of such securities, including Registrable Securities, which the underwriters determine in their sole discretion will not jeopardize the success of the offering (the securities so included to be apportioned
pro rata among the selling shareholders according to the total amount of securities entitled to be included therein owned by each selling shareholder or in such other proportions as shall mutually be agreed to by such selling shareholders) but in no
event shall the amount of securities of the selling Holders included in the offering be reduced below twenty-five percent (25%) of the total amount of securities included in such offering (unless such offering is the initial public offering bf
the Company’s securities, in which case shares to be sold by the selling Holders may be excluded if the underwriters make the determination described above and such registration does not include shares of any other selling shareholder), and in
no event shall the amount of securities of the selling Holders to be included in the offering be reduced until all securities proposed to be offered by the Founders and by 

  
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any selling shareholders other than the Investors have been excluded. For purposes of the preceding parenthetical concerning apportionment, for any selling shareholder which is a holder of
Registrable Securities and which is a partnership or corporation, the partners, retired partners and shareholders of such holder, or the estates and family members of any such partners and retired partners and any trusts for the benefit of any of
the foregoing persons shall be deemed to be a single “selling shareholder,” and any pro-rata reduction with respect to such “selling shareholder” shall be based upon the aggregate amount of shares carrying registration
rights owned by all entities and individuals included in such “selling shareholder,” as defined in this sentence. 

1.9 Delay of Registration. No Holder shall have any right to obtain or seek an injunction restraining or otherwise delaying
any such registration as the result of any controversy that might arise with respect to the interpretation or implementation of this Section 1. 
 1.10 Indemnification. In the event any Registrable Securities are included in a registration statement under this Section 1: 

(a) To the extent permitted by law, the Company will indemnify and hold harmless each Holder, the partners, officers and directors of
each Holder, any underwriter (as defined in the Securities Act) for such Holder and each other person, if any, who controls such Holder or underwriter within the meaning of the Securities Act or the Securities Exchange Act of 1934, as amended (the
“Exchange Act”), against any losses, claims, damages, or liabilities (joint or several) to which they may become subject under the Securities Act, the Exchange Act or other federal or state law, insofar as such losses, claims,
damages, or liabilities (or actions in respect thereof) arise out of or are based upon any of the following statements, omissions or violations (collectively a “Violation”): (i) any untrue statement or alleged untrue statement
of a material fact contained in such registration statement, including any preliminary prospectus or final prospectus contained therein or any amendments or supplements thereto, (ii) the omission or alleged omission to state therein a material
fact required to be stated therein, or necessary to make the statements therein not misleading, or (iii) any violation or alleged violation by the Company of the Securities Act, the Exchange Act, any state securities law or any rule or
regulation promulgated under the Securities Act, the Exchange Act or any state securities law; and the Company will pay to each such Holder, underwriter or controlling person, as incurred, any legal or other expenses reasonably incurred by them in
connection with investigating or defending any such loss, claim, damage, liability, or action; provided, however, that the indemnity agreement contained in this subsection 1.10(a) shall not apply to amounts paid in settlement of
any such loss, claim, damage, liability, or action if such settlement is effected without the consent of the Company (which consent shall not be unreasonably withheld), nor shall the Company be liable to any Holder, underwriter or controlling person
for any such loss, claim, damage, liability, or action to the extent that it arises out of or is based upon a Violation which occurs in reliance upon and in conformity with written information furnished expressly for use in connection with such
registration by any such Holder, underwriter or controlling person. 
 (b) To the extent permitted by law, each selling Holder
will indemnify and hold harmless the Company, each of its directors, each of its officers who has signed the registration statement, each person, if any, who controls the Company within the meaning of the Securities Act, any underwriter, any other
Holder selling securities in such registration statement and any 

  
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controlling person of any such underwriter or other Holder, against any losses, claims, damages, or liabilities (joint or several) to which any of the foregoing persons may become subject, under
the Securities Act, the Exchange Act or other federal or state law, insofar as such losses, claims, damages, or liabilities (or actions in respect thereto) arise out of or are based upon any Violation, in each case to the extent (and only to the
extent) that such Violation occurs in reliance upon and in conformity with written information furnished by such Holder expressly for use in connection with such registration; and each such Holder will pay, as incurred, any legal or other expenses
reasonably incurred by any person intended to be indemnified pursuant to this subsection 1.10(b), in connection with investigating or defending any such loss, claim, damage, liability, or action; provided, however, that the indemnity
agreement contained in this subsection 1.10(b) shall not apply to amounts paid in settlement of any such loss, claim, damage, liability or action if such settlement is effected without the consent of the Holder, which consent shall not be
unreasonably withheld; provided, that in no event shall any indemnity under this subsection 1.10(b) exceed the net proceeds from the offering received by such Holder. 
 (c) Promptly after receipt by an indemnified party under this Section 1.10 of notice of the commencement of any action (including any governmental action), such indemnified party will, if a claim in
respect thereof is to be made against any indemnifying party under this Section 1.10, deliver to the indemnifying party a written notice of the commencement thereof and the indemnifying party shall have the right to participate in, and, to the
extent the indemnifying party so desires, jointly with any other indemnifying party similarly noticed, to assume the defense thereof with counsel mutually satisfactory to the parties; provided, however, that an indemnified party
(together with all other indemnified parties which may be represented without conflict by one counsel) shall have the right to retain one separate counsel, with the reasonable fees and expenses to be paid by the indemnifying party, if representation
of such indemnified party by the counsel retained by the indemnifying party would be inappropriate due to actual or potential differing interests between such indemnified party and any other party represented by such counsel in such proceeding. The
failure to deliver written notice to the indemnifying party within a reasonable time of the commencement of any such action, if prejudicial to its ability to defend such action, shall relieve such indemnifying party of any liability to the
indemnified party under this Section 1.10, but the omission so to deliver written notice to the indemnifying party will not relieve it of any liability that it may have to any indemnified party otherwise than under this Section 1.10.

 (d) If the indemnification provided for in this Section 1.10 is held by a court of competent jurisdiction to be
unavailable to an indemnified party with respect to any loss, liability, claim, damage or expense referred to therein, then the indemnifying party, in lieu of indemnifying such indemnified party hereunder, shall contribute to the amount paid or
payable by such indemnified party as a result of such loss, liability, claim, damage, or expense in such proportion as is appropriate to reflect the relative fault of the indemnifying party on the one hand and of the indemnified party on the other
in connection with the statements or omissions that resulted in such loss, liability, claim, damage or expense as well as any other relevant equitable considerations; provided, that in no event shall any contribution by a Holder under this
Subsection 1.10(d) exceed the net proceeds from the offering received by such Holder, except in the case of willful fraud by such Holder. The relative fault of the indemnifying party and of the indemnified party shall be determined by reference to,
among other things, whether the untrue or alleged untrue statement of a material fact or the omission to state a material fact relates to information supplied by the indemnifying party or by the indemnified party and the parties’ relative
intent, knowledge, access to information, and opportunity to correct or prevent such statement or omission. 

  
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 (e) Notwithstanding the foregoing, to the extent that the provisions on indemnification and
contribution contained in the underwriting agreement entered into in connection with the underwritten public offering are in conflict with the foregoing provisions, the provisions in the underwriting agreement shall control. 

(f) The obligations of the Company and Holders under this Section 1.10 shall survive the completion of any offering of Registrable
Securities in a registration statement under this Section 1, and otherwise. 
 1.11 Reports Under Securities Exchange
Act of 1934. With a view to making available to the Holders the benefits of Rule 144 promulgated under the Securities Act and any other rule or regulation of the SEC that may at any time permit a Holder to sell securities of the Company to
the public without registration or pursuant to a registration on Form S-3, the Company agrees to: 
 (a) make and keep public
information available, as those terms are understood and defined in SEC Rule 144, at all times after ninety (90) days after the effective date of the first registration statement filed by the Company for the offering of its securities to the
general public so long as the Company remains subject to the periodic reporting requirements under Sections 13 or 15(d) of the Exchange Act; 
 (b) take such action, including the voluntary registration of its Common Stock under Section 12 of the Exchange Act, as is necessary to enable the Holders to utilize Form S-3 for the sale of their
Registrable Securities, such action to be taken as soon as practicable after the end of the fiscal year in which the first registration statement filed by the Company for the offering of its securities to the general public is declared effective;

 (c) file with the SEC in a timely manner all reports and other documents required of the Company under the Securities Act
and the Exchange Act; and 
 (d) furnish to any Holder, so long as the Holder owns any Registrable Securities, forthwith upon
request (i) a written statement by the Company that it has complied with the reporting requirements of SEC Rule 144 (at any time after ninety (90) days after the effective date of the first registration statement filed by the Company), the
Securities Act and the Exchange Act (at any time after it has become subject to such reporting requirements), or that it qualifies as a registrant whose securities may be resold pursuant to Form S-3 (at any time after it so qualifies), (ii) a copy
of the most recent annual or quarterly report of the Company and such other reports and documents so filed by the Company, and (iii) such other information as may be reasonably requested in availing any Holder of any rule or regulation of the
SEC which permits the selling of any such securities without registration or pursuant to such form. 
 1.12 Assignment of
Registration Rights. The rights to cause the Company to register Registrable Securities pursuant to this Section 1 may be assigned (but only with all related obligations) by a Holder to a transferee or assignee if such transferee or
assignee (i) is a subsidiary, 

  
 -11-

 
parent, general partner, limited partner, retired partner, member, retired member or affiliate of a Holder, (ii) is a Holder’s family member or trust for the benefit of an individual
Holder, (iii) is an entity controlling, controlled by or under common control with any Investor or (iv) acquires at least 100,000 shares of such securities (or all of the Holders’ Registrable Securities, if less), provided the
Company is, within a reasonable time frame after such transfer, furnished with written notice of the name and address of such transferee or assignee and the securities with respect to which such registration rights are being assigned and the
securities with respect to which such registration rights are being assigned; and provided, further, that such assignment shall be effective only if immediately following such transfer the further disposition of such securities by the
transferee or assignee is restricted under the Securities Act. For the purposes of determining the number of shares of Registrable Securities held by a transferee or assignee, the holdings of transferees and assignees of a partnership who are
partners or retired partners of such partnership (including spouses and ancestors, lineal descendants and siblings of such partners or spouses who acquire Registrable Securities by gift, will or intestate succession) shall be aggregated together and
with the partnership; provided that all assignees and transferees who would not qualify individually for assignment of registration rights shall have a single attorney-in-fact for the purpose of exercising any rights, receiving notices or taking any
action under Section 1. 
 1.13 Limitations on Subsequent Registration Rights. From and after the date of
this Agreement, the Company covenants and agrees that it shall not, without the prior written consent of the Holders of a majority of the outstanding Registrable Securities, enter into any agreement with any holder or prospective holder of any
securities of the Company which would allow such holder or prospective holder (a) to include such securities in any registration filed under Section 1 hereof, unless under the terms of such agreement, such holder or prospective holder may
include such securities in any such registration only to the extent that the inclusion of his securities will not reduce the amount of the Registrable Securities of the Holders which is included or (b) to make a demand registration to the
Company. 
 1.14 Amendment of Registration Rights. Any provision of this Section 1 may be amended and the
observance thereof may be waived (either generally or in a particular instance and either retroactively or prospectively), only with the written consent of the Company and the Holders of a majority of the Registrable Securities then outstanding. Any
amendment or waiver effected in accordance with this Section 1.14 shall be binding upon each Holder and the Company. By acceptance of any benefits under this Section 1, Holders of Registrable Securities hereby agree to be bound by the
provisions hereunder. 
 1.15 Lock-Up Agreement. 

(a) Lock-Up Period; Agreement. In connection with the initial public offering of the Company’s securities and upon
request of the Company or the underwriters managing such offering of the Company’s securities, each Holder agrees not to sell, make any short sale of, loan, grant any option for the purchase of, or otherwise dispose of any securities of the
Company, however or whenever acquired (other than those included in the registration or acquired through any registered offering by the Company) without the prior written consent of the Company or such underwriters, as the case may be, for such
period of time (not to exceed 180 days) from the effective date of such registration as may be requested by the Company or such managing underwriters and to 

  
 -12-

 
execute an agreement reflecting the foregoing as may be requested by the underwriters at the time of the Company’s initial public offering. Any discretionary waiver or termination of the
restrictions set forth in this Section 1.15 by the Company or the underwriter of any Investor or of any officer, director or one-percent securityholder shall apply to all the Investors on a pro rata basis (according to the total number of
Registrable Securities owned by each Investor). 
 (b) Limitations. The obligations described in
Section 1.15(a) shall apply only if all officers and directors of the Company and all one-percent securityholders enter into similar agreements, and shall not apply to a registration relating solely to employee benefit plans, or to a
registration relating solely to a transaction pursuant to Rule 145 under the Securities Act. 
 (c) Stop-Transfer
Instructions. In order to enforce the foregoing covenants, the Company may impose stop-transfer instructions with respect to the securities of each Holder (and the securities of every other person subject to the restrictions in
Section 1.15(a)). 
 (d) Transferees Bound. Each Holder agrees that it will not transfer securities of the
Company unless each transferee agrees in writing to be bound by all of the provisions of this Section 1.15. 
 1.16
Termination of Registration Rights. No Holder shall be entitled to exercise any right provided for in this Section 1 after the earliest of (i) four (4) years following the consummation of a Qualified IPO, (ii) such
time as the Company is traded on a securities exchange or the Nasdaq Stock Market and Rule 144 under the Securities Act is available for the sale of all of such Holder’s shares during a one (l)-month period without registration or
(iii) the occurrence of a Change of Control (as defined in Section 3.1 herein) in which all of such Holder’s shares are acquired, purchased or exchanged and where the consideration for all of such Holder’s shares is cash or cash
equivalents, or capital stock of a corporation that is subject to the reporting requirements of the Securities Exchange Act of 1934, as amended. 
 2. Covenants of the Company. 
 2.1 Delivery of Financial
Statements. So long as 10,000,000 shares of Preferred Stock are outstanding, the Company shall deliver to each Holder of at least 4,000,000 shares of Registrable Securities (other than a Holder reasonably deemed by the Company to be a
competitor of the Company): 
 (a) as soon as practicable, but in any event within ninety (90) days after the end of each
fiscal year of the Company, (i) audited annual financial statements (including an income statement, a balance sheet, a consolidated statement of operation, a consolidated statement of cash flows), such year-end financial reports to be in
reasonable detail and prepared in accordance with generally accepted accounting principles (“GAAP”) and accompanied by a report and opinion thereon by independent public accountants of national standing as selected by the
Company’s Board of Directors, (ii) summaries of bookings and backlog and (iii) reports showing variations in such financial statements from the applicable annual budget; 

  
 -13-

 (b) as soon as practicable, but in any event within forty-five (45) days after the end
of each of the first three (3) quarters of each fiscal year of the Company, (i) unaudited quarterly financial statements (including an income statement, a balance sheet, a consolidated statement of operation, a consolidated statement of
cash flows), such quarterly financial reports to be in reasonable detail and prepared in accordance with GAAP, (ii) summaries of bookings and backlog for the preceding quarter and (iii) reports showing variations in such quarterly
financial statements from the applicable quarterly budget; 
 (c) within thirty (30) days of the end of each month,
(i) unaudited monthly financial statements (including an income statement, a balance sheet, a consolidated statement of operation, a consolidated statement of cash flows), such monthly financial reports to be in reasonable detail and prepared
in accordance with GAAP, (ii) summaries of bookings and backlog for the preceding month and (iii) reports showing variations in such monthly financial statements from the applicable monthly budget; 

(d) as soon as practicable, but in any event thirty (30) days prior to the end of each fiscal year, a budget and business plan for
the next fiscal year, prepared on a monthly basis, and, as soon as prepared, any other budgets or revised budgets prepared by the Company; and 
 (e) with respect to the financial statements called for in subsections (b) and (c) of this Section 2.1, an instrument executed by the Chief Financial Officer or President of the Company and
certifying that such financials were prepared in accordance with GAAP consistently applied with prior practice for earlier periods (with the exception of footnotes that may be required by GAAP) and fairly present the financial condition of the
Company and its results of operation for the period specified, subject to year-end audit adjustment, provided that the foregoing shall not restrict the right of the Company to change its accounting principles consistent with GAAP, if the Board of
Directors determines that it is in the best interest of the Company to do so. 
 (f) commencing with the Company’s 2007
fiscal year, the audit and report and opinion thereon contemplated by Section 2.1 (a) will be prepared by one of the “Big Four” accounting firms (Deloitte & Touche, Ernst & Young, KPMG or
PriceWaterhouseCoopers), as selected by the Company’s Board of Directors; provided, however, that if the Board of Directors of the Company concludes in good faith, after all reasonable efforts have been made to select and engage
firms from among the Big Four to provide audit services to the Company, that it would be detrimental to the interests of the Company’s shareholders to engage any of such firms to perform those services, then the Board may instead determine to
continue the engagement of the Company’s current audit firm to provide audit services for the Company with respect to the Company’s 2007 fiscal year and thereafter. 
 2.2 Inspection. The Company shall permit each Holder of at least 500,000 shares of Registrable Securities (except for a Holder reasonably deemed by the Company to be a competitor of the
Company), at such Holder’s expense, to visit and inspect the Company’s properties, to examine its books of account and records and to discuss the Company’s affairs, finances and accounts with its officers, all at such reasonable times
as may be requested by the Investor; provided, however, that the Company shall not be obligated pursuant to this Section 2.2 with respect to a competitor of the Company or with respect to information which the Board of Directors
determines in good faith is confidential and should not, therefore, be disclosed. 

  
 -14-

 2.3 Right of First Offer. Subject to the terms and conditions specified in
this Section 2.3, the Company hereby grants to each Major Investor (as hereinafter defined) a right of first offer with respect to future sales by the Company of its Shares (as hereinafter defined). For purposes of this Section 2.3, a
“Major Investor” shall be an Investor who holds at least 500,000 shares of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and/or Series E Preferred Stock (and/or the Common
Stock issued upon conversion thereof); provided that for the purpose of determining which persons qualify as Major Investors, persons may aggregate holdings with affiliated persons to meet the qualifying threshold and in such case where the
affiliated group of persons holds at least 500,000 shares of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and/or Series E Preferred Stock (and/or the Common Stock issued upon conversion
thereof), each person in such affiliated group shall be a Major Investor. For purposes of this Section 2.3, Major Investor includes any general partners and affiliates of a Major Investor. A Major Investor who chooses to exercise the right of
first offer may designate as purchasers under such right itself or its partners or affiliates in such proportions as it deems appropriate. 
 Each time the Company proposes to offer any shares of, or securities convertible into or exercisable for any shares of, any class of its capital stock (“Shares”), the Company shall first
make an offering of such Shares to each Major Investor in accordance with the following provisions: 
 (a) The Company shall
deliver a notice by certified mail (“Notice”) to the Major Investors stating (i) its bona fide intention to offer such Shares, (ii) the number of such Shares to be offered, and (iii) the price and terms, if any, upon
which it proposes to offer such Shares. 
 (b) Within 20 calendar days after delivery of the Notice, each Major Investor may
elect to purchase or obtain, at the price and on the terms specified in the Notice, up to that portion of such Shares which equals the proportion that the number of shares of Common Stock issued and held, or issuable upon conversion and exercise of
all convertible or exercisable securities then held, by such Major Investor bears to the total number of shares of Common Stock then outstanding (assuming full conversion and exercise of all convertible or exercisable securities). Such purchase
shall be completed at the same closing as that of any third party purchasers or at an additional closing thereunder. The Company shall promptly, in writing, inform each Major Investor that purchases all the shares available to it (each, a
“Fully-Exercising Investor”) of any other Major Investor’s failure to do likewise. During the ten (10)-day period commencing after receipt of such information, each Fully-Exercising Investor shall be entitled to obtain that
portion of the Shares for which Major Investors were entitled to subscribe but which were not subscribed for by the Major Investors that is equal to the proportion that the number of shares of Common Stock issued and held, or issuable upon
conversion and exercise of all convertible or exercisable securities then held, by such Fully-Exercising Investor bears to the total number of shares of Common Stock then outstanding (assuming full conversion and exercise of all convertible or
exercisable securities). 
 (c) The Company may, during the 60-day period following the expiration of the period provided in
subsection 2.3(b) hereof, offer the remaining unsubscribed portion of the 

  
 -15-

 
Shares to any person or persons at a price not less than, and upon terms no more favorable to the offeree than those specified in the Notice. If the Company does not enter into an agreement for
the sale of the Shares within such period, or if such agreement is not consummated within 90 days of the execution thereof, the right provided hereunder shall be deemed to be revived and such Shares shall not be offered unless first reoffered to the
Major Investors in accordance herewith. 
 (d) The right of first offer in this paragraph 2.3 shall not be applicable to (i)
the issuance of securities in connection with stock splits or dividends; (ii) the issuance of Common Stock (or options therefor) to employees, consultants and directors of the Company or any of its subsidiaries, pursuant to stock option or
stock purchase plans or agreements approved by at least 66 2/3% of the members of the Board of Directors; (iii) the issuance of securities to financial institutions or lessors in connection with bona fide commercial credit arrangements,
equipment financings, commercial property lease transactions or similar transactions the purpose of which is not to raise capital, in each case approved by at least 66 2/3% of the members of the Board of Directors; (iv) the issuance of
securities pursuant to the exercise of warrants outstanding as of the date of this Agreement; (v) the issuance of securities in connection with a bona fide acquisition, merger or similar transaction, the terms of which have been approved by at
least 66 2/3% of the members of the Board of Directors; (vi) the issuance or sale of the Series E Preferred Stock pursuant to the Amended Purchase Agreement, as may be further amended from time to time, and shares of Series E Preferred Stock
and Common Stock issuable upon the exercise of warrants issued pursuant to such Amended Purchase Agreement; (vii) the issuance of common stock in a Qualified Public Offering prior to or in connection with which all outstanding shares of
Preferred Stock will be converted to Common Stock; (viii) the issuance of securities to an entity, as a component of any bona fide business relationship with such entity also involving a material marketing, distribution, product development
and/or technology licensing arrangement approved by at least 66 2/3% of the members of the Board of Directors; (ix) securities issued with the written waiver of the right of first offer in this paragraph 2.3 to which the Major Investors may be
entitled, executed by the holders of at least 66 2/3% of the outstanding Preferred Stock; or (x) the issuance of common stock upon conversion of the Preferred Stock. In addition to the foregoing, the right of first offer in this paragraph 2.3
shall not be applicable with respect to any Major Investor and any subsequent securities issuance, if (i) at the time of such subsequent securities issuance, the Major Investor is not an “accredited investor,” as that term is then
defined in Rule 501 (a) under the Securities Act, and (ii) such subsequent securities issuance is otherwise being offered only to accredited investors. 
 2.4 Reservation of Common Stock. The Company will at all times reserve and keep available, solely for issuance and delivery upon the conversion of the Preferred Stock, all Common Stock
issuable from time to time upon such conversion. 
 2.5 Confidential Information and Inventions Agreement. The
Company shall require all employees and consultants to execute and deliver a Confidential Information and Inventions Agreement. 

2.6 Directors and Officers Insurance. The Company shall obtain and keep directors and officers liability insurance
(“D&O Insurance”) in the minimum coverage amount of $1,000,000 and further covenants to increase the coverage of such D&O Insurance immediately prior to the initial public offering of the Company’s securities to a
minimum amount of at least $10,000,000. 

  
 -16-

 2.7 Employee Ownership and Vesting. Unless approved by at least a majority of
the members of the Company’s Board of Directors, all stock and stock equivalents issued after the date hereof to employees, directors and consultants of the Company shall be subject to vesting as follows: 25% of any such stock or stock
equivalents will vest at the end of the first year following either (i) such issuance or (ii) the commencement of service of the recipient to the Company, with the remaining 75% of any such stock or stock equivalents to vest monthly over
the next three years. Unless approved by at least a majority of the members of the Company’s Board of Directors, all stock and stock equivalents issued after the Closing to employees, directors and consultants of the Company shall be subject to
a repurchase option which shall provide that upon termination of the employment of the shareholder, with or without cause, the Company or its assignee retains the option to repurchase at cost any unvested shares held by such shareholder. 

2.8 VPVP Director. The VPVP Director (as defined in the Amended and Restated Voting Agreement of even date herewith) shall
be accorded no less favorable treatment than any other outside Board member with respect to all matters, including, without limitation, expense reimbursement, stock options or stock grants, benefits and access to Company information and management.

 2.9 Information to VPVP. The Company shall provide to VantagePoint Venture Partners (“VPVP”)
on a monthly basis a completed portfolio company tracking report in the form to be provided by VPVP. 
 2.10 Termination
of Covenants. 
 (a) The covenants set forth in Sections 2.1 through 2.5 and Sections 2.7 through 2.9 shall terminate
as to each Holder and be of no further force or effect immediately prior to (i) the consummation of a Qualified IPO or (ii) upon a Change of Control of the Company, as defined in Section 3.1 hereof. 

(b) The covenants set forth in Sections 2.1, 2.2 and 2.9 shall terminate as to each Holder and be of no further force or effect when the
Company first becomes subject to the periodic reporting requirements of Sections 13 or 15(d) of the Exchange Act, if this occurs earlier than the events described in Section 2.1 0(a) above. 

3. Miscellaneous. 
 3.1 Definition of Change of Control. For purposes of this Agreement a “Change of Control” shall occur when the Company sells, conveys, or otherwise disposes of all or substantially
all of its property or business or merges with or into or consolidates with any other corporation (other than a wholly-owned subsidiary) or effects any other transaction or series of related transactions (other than equity financing transactions for
the purpose of raising capital) in which the shareholders of the Company immediately preceding the transaction or series of related transactions hold, after the transaction or series of related transactions, less than 50% of the voting

  
 -17-

 
power of the resulting corporation or entity and less than 50% of the voting power of its ultimate corporate parent, if applicable, provided that a merger effected solely for the purpose of
changing the domicile of the Company shall not constitute a Change of Control. 
 3.2 Successors and Assigns.
Except as otherwise provided in this Agreement, the terms and conditions of this Agreement shall inure to the benefit of and be binding upon the respective permitted successors and assigns of the parties (including transferees of any of the Series A
Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock or any Common Stock issued upon conversion of any shares of Preferred Stock). Nothing in this Agreement, express or implied, is
intended to confer upon any party other than the parties hereto or their respective successors and assigns any rights, remedies, obligations, or liabilities under or by reason of this Agreement, except as expressly provided in this Agreement.

 3.3 Amendments and Waivers. Any term of this Agreement may be amended or waived only with the written consent
of the Company and the holders of a majority of the Registrable Securities then outstanding, not including the Founders’ Stock; provided that if such amendment has the effect of affecting the Founders’ Stock (i) in a manner different
than securities issued to the Investors and (ii) in a manner adverse to the interests of the holders of the Founders’ Stock, then such amendment shall require the consent of the holder or holders of a majority of the Founders’ Stock.
Notwithstanding the foregoing, this Agreement may be amended with only the written consent of the Company for the sole purpose of including additional purchasers of Series E Preferred Stock as “Investors” and “Holders.” Any
amendment or waiver effected in accordance with this paragraph shall be binding upon each party to the Agreement, whether or not such party has signed such amendment or waiver, each future holder of all such Registrable Securities, and the Company.

 3.4 Notices. Unless otherwise provided, any notice required or permitted by this Agreement shall be in writing
and shall be deemed sufficient upon delivery, when delivered personally or by overnight courier or sent by telegram or fax, or forty-eight (48) hours after being deposited in the U.S. mail, as certified or registered mail, with postage prepaid,
and addressed to the party to be notified at such party’s address or fax number as set forth on Exhibit A hereto or as subsequently modified by written noticed 
 3.5 Severability. If one or more provisions of this Agreement are held to be unenforceable under applicable law, the parties agree to renegotiate such provision in good faith. In the event
that the parties cannot reach a mutually agreeable and enforceable replacement for such provision, then (a) such provision shall be excluded from this Agreement, (b) the balance of the Agreement shall be interpreted as if such provision
were so excluded and (c) the balance of the Agreement shall be enforceable in accordance with its terms. 
 3.6
Governing Law; Consent to Jurisdiction and Venue; Waiver of Jury Trial. This Agreement and all acts and transactions pursuant hereto and the rights and obligations of the parties hereto shall be governed, construed and interpreted in
accordance with the laws of the State of California, without giving effect to principles of conflicts of law. ANY PROCEEDING AGAINST THE PARTIES RELATING IN ANY WAY TO THIS AGREEMENT MAY BE 

  
 -18-

 
BROUGHT AND ENFORCED IN THE COURTS OF THE STATE OF CALIFORNIA OR THE UNITED STATES DISTRICT COURT IN THE STATE OF CALIFORNIA, TO THE EXTENT SUBJECT MATTER JURISDICTION EXISTS THEREFOR, AND THE
PARTIES IRREVOCABLY SUBMIT TO THE JURISDICTION OF BOTH SUCH COURTS IN RESPECT OF ANY SUCH PROCEEDING. EACH OF THE PARTIES IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY LAW, ANY OBJECTION THAT IT MAY NOW OR HEREAFTER HAVE TO THE LAYING OF
VENUE OF ANY SUCH PROCEEDING IN THE COURTS OF THE STATE OF CALIFORNIA OR ANY UNITED STATES DISTRICT COURT IN THE STATE OF CALIFORNIA AND ANY CLAIM THAT ANY SUCH PROCEEDING BROUGHT IN ANY SUCH COURT HAS BEEN BROUGHT IN ANY INCONVENIENT FORUM. ANY
JUDGMENT MAY BE ENTERED IN ANY COURT HAVING JURISDICTION THEREOF. 
 EACH OF THE PARTIES HERETO HEREBY IRREVOCABLY WAIVES ALL
RIGHT TO TRIAL BY JURY IN ANY PROCEEDING ARISING OUT OF OR RELATING TO THIS AGREEMENT. 
 3.7 Counterparts. This
Agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. 
 3.8 Titles and Subtitles. The titles and subtitles used in this Agreement are used for convenience only and are not to be considered in construing or interpreting this Agreement. 

3.9 Aggregation of Stock. All shares of the Preferred Stock held or acquired by affiliated entities or persons shall be
aggregated together for the purpose of determining the availability of any rights under this Agreement. 
 3.10 Consent
and Waiver of Existing Investors. The undersigned constitute the holders of a majority of Registrable Securities outstanding (excluding the Founders’ Stock) pursuant to the Prior Agreement, and, pursuant to Section 3.3 of the Prior
Agreement, hereby consent to (a) the grant of registration rights as contemplated herein, (b) the amendment and restatement of the Prior Agreement by this Agreement, and (c) the waiver of the Right of First Offer as set forth in
Section 2.3 of the Prior Agreement with respect to the issuance of shares of Series E Preferred Stock pursuant to the Series E Purchase Agreement. 
 3.11 Entire Agreement. This Agreement, together with all the exhibits and schedules hereto, constitutes and contains the entire agreement and understanding of the parties with respect to the
subject matter hereof and supersedes any and all prior negotiations, correspondence, agreements, understandings, duties or obligations between the parties respecting the subject matter hereof. 

3.12 Dispute Resolution. All disputes, claims, or controversies arising out of or relating to this Agreement, or any other
agreement executed and delivered pursuant to this Agreement, or the negotiation, validity or performance hereof and thereof or the transactions contemplated hereby and thereby, that are not resolved by mutual agreement shall be resolved solely

  
 -19-

 
and exclusively by binding arbitration to be conducted by the arbitration and mediation organization JAMS (“JAMS”) or its successor. The parties understand and agree that this
arbitration provision shall apply equally to claims of fraud or fraud in the inducement. The arbitration shall be held in the State of California before a single arbitrator and shall be conducted in accordance with the rules and regulations
promulgated by JAMS unless specifically modified herein. 
 The parties covenant and agree that the arbitration shall commence
within one hundred twenty (120) days of the date on which a written demand for arbitration is filed by any party hereto. In connection with the arbitration proceeding, the arbitrator shall have the power to order the production of documents by
each party and any third-party witnesses. In addition, each party may take up to three depositions as of right, and the arbitrator may in his or her discretion allow additional depositions upon good cause shown by the moving party. However, the
arbitrator shall not have the power to order the answering of interrogatories or the response to requests for admission. In connection with any arbitration, each party shall provide to the other, no later than fourteen (14) business days before
the date of the arbitration, the identity of all persons that may testify at the arbitration, a copy of all documents that may be introduced at the arbitration or considered or used by a party’s witness or expert, and a summary of the
expert’s opinions and the basis for said opinions. The arbitrator’s decision and award shall be made and delivered within sixty (60) days of the conclusion of the arbitration. The arbitrator’s decision shall set forth a reasoned
basis for any award of damages or finding of liability. The arbitrator shall not have power to award damages in excess of actual compensatory damages and shall not multiply actual damages or award punitive damages or any other damages that are
specifically excluded under this Agreement, and each party hereby irrevocably waives any claim to such damages. 
 The parties
covenant and agree that they will participate in the arbitration in good faith and that they will share equally its costs, except as otherwise provided herein. Any party unsuccessfully refusing to comply with an order of the arbitrators shall be
liable for costs and expenses, including attorneys’ fees, incurred by the other party in enforcing the award. This Section 3.12 applies equally to requests for temporary, preliminary or permanent injunctive relief, except that in the case
of temporary or preliminary injunctive relief any party may proceed in court without prior arbitration for the limited purpose of avoiding immediate and irreparable harm. The provisions of this Section 3.12 shall be enforceable in any court of
competent jurisdiction. 
 Subject to the second sentence of the immediately preceding paragraph, the parties shall bear their
own attorneys’ fees, costs and expenses in connection with the arbitration. The parties will share equally in the fees and expenses charged by JAMS. 
 Each of the parties hereto irrevocably and unconditionally consents to the exclusive jurisdiction of JAMS to resolve all disputes, claims or controversies arising out of or relating to this Agreement or
any other agreement executed and delivered pursuant to this Agreement or the negotiation, validity or performance hereof and thereof or the transactions contemplated hereby and thereby and further consents to the jurisdiction of the courts of
California for the purposes of enforcing the arbitration provisions of Section 3.12 of this Agreement. Each party further irrevocably waives any objection to proceeding before JAMS based upon lack of personal jurisdiction or to the laying of
venue and further irrevocably and unconditionally waives and agrees not to make a claim in any court that arbitration before JAMS has been brought in an inconvenient 

  
 -20-

 
forum. Each of the parties hereto hereby consents to service of process by registered mail at the address to which notices are to be given. Each of the parties hereto agrees that its or his
submission to jurisdiction and its or his consent to service of process by mail is made for the express benefit of the other parties hereto. 
 [Signature Page Follows] 

  
 -21-

 The parties have executed this Amended and Restated Investors’ Rights Agreement as of
the date first above written. 
  

			
	COMPANY:
	
	iWatt Inc.
		
	By:	 	 /s/ Ron Edgerton

		
	Name:	 	 Ron Edgerton

		
	Title:	 	 President and Chief Executive Officer

 
			
		
	Company Address:	 	101 Albright Way
		 	Los Gatos, CA 95032

  

SIGNATURE PAGE TO AMENDED AND RESTATED INVESTORS’ RIGHTS 

AGREEMENT FOR IWATT, INC. 

 The parties have executed this Amended and Restated Investors’ Rights Agreement as of
the date first above written. 
  

									
		 		 		 	INVESTORS:
			
	VANTAGEPOINT VENTURE PARTNERS IV (Q), L.P	 		 	VANTAGEPOINT VENTURE PARTNERS IV, L.P.
			
	By: VantagePoint Venture Associates IV, L.L.C.,	 		 	By: VantagePoint Venture Associates IV, L.L.C.,
	Its General Partner	 		 	Its General Partner
					
	By:	 	 /s/ Alan E. Salzman
	 		 	By:	 	 /s/ Alan E. Salzman

					
	Name:	 	 Alan E. Salzman
	 		 	Name:	 	 Alan E. Salzman

	Title:	 	Managing Member	 		 	Title:	 	Managing Member
			
	Address:	 		 	Address:
	1001 Bayhill Drive, Suite 300	 		 	1001 Bayhill Drive, Suite 300
	San Bruno, CA 94066	 		 	San Bruno, CA 94066
				
		 		 		 	VANTAGEPOINT VENTURE PARTNERS IV PRINCIPALS FUND, L.P.
				
		 		 		 	By: VantagePoint Venture Associates IV, L.L.C.,
		 		 		 	Its General Partner
					
		 		 		 	By:	 	 /s/ Alan E. Salzman

					
		 		 		 	Name:	 	Alan E. Salzman
		 		 		 	Title:	 	Managing Member
				
		 		 		 	Address:
		 		 		 	1001 Bayhill Drive, Suite 300
		 		 		 	San Bruno, CA 94066

  

SIGNATURE PAGE TO AMENDED AND RESTATED INVESTORS’ RIGHTS 

AGREEMENT FOR IWATT, INC. 

 The parties have executed this Amended and Restated Investors’ Rights Agreement as of
the date first above written. 
  

									
		 		 		 	INVESTORS:
			
	 SIGMA PARTNERS 6, L.P.
 BY ITS GENERAL PARTNER:
 SIGMA MANAGEMENT 6, L.L.C.
	 		 	 SIGMA PARTNERS 6, LP.
 BY ITS GENERAL PARTNER:
 SIGMA MANAGEMENT 6, L.L.C.

					
	By:	 	 /s/ Lawrence G. Finch
	 		 	By:	 	 /s/ Lawrence G. Finch

					
	Name:	 	 Lawrence G. Finch
	 		 	Name:	 	 Lawrence G. Finch

					
	Title:	 	 Managing Director
	 		 	Title:	 	 Managing Director

			
	Address:	 		 	Address:
	1600 El Camino Real	 		 	1600 El Camino Real
	Suite 280	 		 	Suite 280
	Menlo Park, CA 94025	 		 	Menlo Park, CA 94025
				
		 		 		 	 SIGMA ASSOCIATES 6, L.P.
 BY ITS GENERAL PARTNER:
 SIGMA MANAGEMENT 6, L.L.C.

					
		 		 		 	By:	 	 /s/ Lawrence G. Finch

					
		 		 		 	Name:	 	 Lawrence G. Finch

					
		 		 		 	Title:	 	 Managing Director

				
		 		 		 	Address:
		 		 		 	1600 El Camino Real
		 		 		 	Suite 280
		 		 		 	Menlo Park, CA 94025

  

SIGNATURE PAGE TO AMENDED AND RESTATED INVESTORS’ RIGHTS 

AGREEMENT FOR IWATT, INC. 

 The parties have executed this Amended and Restated Investors’ Rights Agreement as of
the date first above written. 
  

									
		 		 		 	INVESTORS:
			
	HORIZON VENTURES ADVISORS FUND I, L.P.	 		 	HORIZON VENTURES FUND I, L.P.
					
	By:	 	 /s/ Jack Carsten
	 		 	By:	 	 /s/ Jack Carsten

					
	Name:	 	Jack Carsten	 		 	Name:	 	Jack Carsten
	Title:	 	 Managing Director,
 Horizon
Management Group I LLC
	 		 	Title:	 	 Managing Director,
 Horizon
Management Group I LLC

			
	Address:	 		 	Address:
	Four Main Street	 		 	Four Main Street
	Suite 50	 		 	Suite 50
	Los Altos, CA 94022	 		 	Los Altos, CA 94022
				
		 		 		 	HORIZON VENTURES FUND II, L.P,
					
		 		 		 	By:	 	 /s/ Jack Carsten

					
		 		 		 	Name:	 	Jack Carsten
		 		 		 	Title:	 	Managing Director,
		 		 		 		 	Horizon Management Group I LLC
		 		 		 		 	Manager of Horizon Management Group II, LLC
		 		 		 		 	General Partner
				
		 		 		 	Address:
		 		 		 	Four Main Street
		 		 		 	Suite 50
		 		 		 	Los Altos, CA 94022

  

SIGNATURE PAGE TO AMENDED AND RESTATED INVESTORS’ RIGHTS 

AGREEMENT FOR IWATT, INC. 

 The parties have executed this Amended and Restated Investors’ Rights Agreement as of
the date first above written. 
  

			
	INVESTORS:
	
	Entity: PAC-LINK Management Corp.
		
	By:	 	 /s/ Hsu Shan Ko

		
	Name:	 	 Hsu Shan Ko

		
	Title:	 	 Director

	
	 Address: 13F, No, 2, Sec 2, Tun Hwa South Road,
 Taipei, Taiwan, ROC.

  

SIGNATURE PAGE TO AMENDED AND RESTATED INVESTORS’ RIGHTS 

AGREEMENT FOR IWATT, INC. 

 The parties have executed this Amended and Restated Investors’ Rights Agreement as of
the date first above written. 
  

			
	INVESTORS:
	
	FU YU VENTURE CAPITAL INVESTMENT CORP.
		
	By:	 	 /s/ HSU SHAN KO

		
	Name:	 	 HSU SHAN KO

		
	Title:	 	 DIRECTOR

	
	Address:
	 13F, 2, Sec. 2, Tun Hwa South Road
 Taipei, Taiwan, ROC

	
	SHIN SHENG VENTURE CAPITAL INVESTMENT CORP.
		
	By:	 	 /s/ HSU SHAN KO

		
	Name:	 	 HSU SHAN KO

		
	Title:	 	 DIRECTOR

	
	Address:
	 13F, 2, Sec. 2, Tun Hwa South Road
 Taipei, Taiwan, ROC

  

SIGNATURE PAGE TO AMENDED AND RESTATED INVESTORS’ RIGHTS 

AGREEMENT FOR IWATT, INC. 

 The parties have executed this Amended and Restated Investors’ Rights Agreement as of
the date first above written. 
  

			
	INVESTORS:
	
	SHOZO SUGIGUCHI
		
	By:	 	 /s/ Shozo Sugiguchi

	
	Address:
	
	1-11-7-3707 Tsukuda, Chuo-Ku
	Tokyo, Japan 104-0051

  

SIGNATURE PAGE TO AMENDED AND RESTATED INVESTORS’ RIGHTS 

AGREEMENT FOR IWATT, INC. 

 The parties have executed this Amended and Restated Investors’ Rights Agreement as of
the date first above written. 
  

	
	FOUNDERS:
	
	 /s/ Mark Telefus

	Mark Telefus

  

SIGNATURE PAGE TO AMENDED AND RESTATED INVESTORS’ RIGHTS 

AGREEMENT FOR IWATT, INC. 

 EXHIBIT A 

 

					
	INVESTORS
			
		 	 SVIC No. 4 New Technology Business
 Investment L.L.P.
 Samsung Venture Investment Corporation

85 West Tasman Drive
 San Jose, CA
95134
	 	
			
		 	 CDIB Capital (America) Limited

125, Section 5, Nanjing East Road
 Taipei
10504, Taiwan
	 	
			
		 	 Fu Yu Venture Capital Investment Corp.
 13F, 2, Sec. 2, Tun Hwa South Road
 Taipei, Taiwan, ROC
	 	
			
		 	 Shin Sheng Venture Capital Investment Corp.
 13F, 2, Sec. 2, Tun Hwa South Road
 Taipei, Taiwan, ROC
	 	
			
		 	 VantagePoint Venture Partners IV(Q), L.P.
 1001 Bayhill Drive, Suite 300
 San Bruno, CA 94066
	 	
			
		 	 VantagePoint Venture Partners IV, L.P.
 1001 Bayhill Drive, Suite 300
 San Bruno, CA 94066
	 	
			
		 	 VantagePoint Venture Partners IV Principals
 Fund, L.P.
 1001 Bayhill Drive, Suite 300
 San Bruno, CA 94066
	 	
			
		 	 SIGMA Partners 6, L.P.
 1600 El
Camino Real #280
 Menlo Park, CA 94025
	 	
			
		 	 SIGMA Associates 6, L.P.
 1600
El Camino Real #280
 Menlo Park, CA 94025
	 	
			
		 	 Horizon Ventures Fund I, L.P.

4 Main Street, Suite 50
 Los Altos, CA
94022
	 	
			
		 	 Horizon Ventures Advisors Fund I, L.P.
 4 Main Street, Suite 50
 Los Altos, CA 94022
	 	

					
		 	INVESTORS	 	
			
		 	 PTI Global Venture Limited

3758 Spinnaker Court
 Fremont, CA
94538
 Attn: C.S. Ho
	 	
			
		 	 GC&H Investments
 One
Maritime Plaza
 20th Floor
 San
Francisco, CA 94111
	 	
			
		 	 VLG Investments LLC
 2775 Sand
Hill Road
 Menlo Park, CA 94025
	 	
			
		 	 Mark A. Medearis
 c/o Venture
Law Group
 2775 Sand Hill Road
 Menlo
Park, CA 94025
	 	
			
		 	 PGR Savings & Investment Plan
 FBO Michael Rogers
 C/o Michael Rogers
 Invesmart
 240 E. Hacienda #100
 Campbell, CA 95008
	 	
			
		 	 E. Clark Grimes
 118 Butler
Lane
 New Canaan, CT 06840
	 	
			
		 	 PGR Savings & Investment Plan
 FBO Chris Glomb
 C/o Chris Glomb
 Invesmart
 240 E. Hacienda #100
 Campbell, CA 95008
	 	
			
		 	 Dickson Wong
 C/o iWatt
Inc.
 101 Albright Way
 Los Gatos, CA
95032
	 	
			
		 	 Seecon Partners
 987 University
Avenue #3
 Los Gatos, CA 95030
	 	

  
 -2-

					
	INVESTORS
			
		 	 James L. Patterson, Trustee of the Patterson
 Family Trust UDT 8/26/88
 356 Bachman Ct.
 Los Gatos, CA 95030
	 	
			
		 	 Arthur Reidel

Pharsight
 800 W. El Camino Real, #200

Mountain View, CA 94040
	 	
			
		 	 Van Chang & Shen-Lan Chang 1991 Inter Vivos
 Trust
 130 Desty Ct.
 San Jose, CA 95136
	 	
			
		 	 Peter Olson
 15768 Hidden Hill
Place
 LosGatos, CA 95030
	 	
			
		 	 Joel Harrison
 15312 Via Del
Sur
 Monte Sereno, CA 95030
	 	
			
		 	 Jan Waluk
 1630 Crestview
Drive
 Los Altos, CA 94024
	 	
			
		 	 Arthur J. Collmeyer & Merlyn M. Collmeyer,
 Trustees of the Collmeyer Family Trust UTA DTD
 8/9/89

C/o iWatt Inc.
 101 Albright Way

Los Gatos, CA 95032
	 	
			
		 	 C. Gordon Bell, Trustee, CG & GK Bell Trust
 U/A/D 9/5/97
 212 Wilder Avenue
 Los Gatos, CA 95030
	 	
			
		 	 Alan Opstedal and Deanna Opstedal
 2933 Millar Avenue
 Santa Clara, CA 95051
	 	
			
		 	 Joseph T. Rogers, Trustee, Joseph T. & Joanne C.
 Rodgers Trust
 15287 Top of the Hill
 Los Gatos, CA 95032
	 	

  
 -3-

					
	INVESTORS
			
		 	 Jack E. Shemer, Trustee, Jack E. Shemer Living
 Trust U/T/A Dated Dec. 22, 1993
 6302 E. Hillcrest Blvd.

Scottsdale, AZ 85251
	 	
			
		 	 VLG Associates
 C/o Venture Law
Group
 2775 Sand Hill Road
 Menlo Park,
CA 94025
	 	
			
		 	 Edward Y. Kim
 C/o Venture Law
Group
 2775 Sand Hill Road
 Menlo Park,
CA 94025
	 	
			
		 	 C. Gordon Bell, Trustee, CG Bell Trust U/A/D
 7/14/00
 212 Wilder Avenue
 Los Gatos, CA 95030
	 	
			
		 	 John Oxaal
 Sevin &
Rosen
 169 University Avenue
 Palo
Alto, CA 94301
	 	
			
		 	 The Patterson Family LLC
 356
Bachman Ct.
 Los Gatos, CA 95030
	 	
			
		 	 James T. & Linda Lindstrom Trust Dated
 10/31/1986
 10228 Foothill Road
 Sunol, CA 94586
	 	
			
		 	 DB Securities, Inc. Cust FBO James T. Lindstrom
 Attn: Restricted Legal Transfer
 Pershing LLC

One Pershing Plaza
 Jersey City, NJ
07399
	 	
			
		 	 Gary P Pinelli & Elizabeth A. Pinelli trustees of
 the Pinelli Family Trust U/D/T Dated March 29,
 1996

25450 Whip Road
 Monterey, CA
93940
	 	

  
 -4-

					
		 	INVESTORS	 	
			
		 	Kilferra Management Limited	 	
		 	106 3F, #30, Sec. 3 Ren-Ai Road	 	
		 	Taipei, Taiwan, ROC	 	
			
		 	Stephen C. Collmeyer	 	
		 	927 Michigan Ave.	 	
		 	San Jose, CA 95125	 	
			
		 	Mark A. Medearis and Teresa S. Medearis,	 	
		 	Trustees U/A/D 9/10/03	 	
		 	275 Middlefield Road	 	
		 	Menlo Park, CA 94025	 	
			
		 	 VLG Investments 2007 LLC
 c/o
Heller Ehrman LLP
	 	
		 	275 Middlefield Road	 	
		 	Menlo Park, CA 94025	 	
			
		 	Shozo Sugiguchi	 	
		 	1-11-7-3707 Tsukuda, Chuo-Ku	 	
		 	Tokyo, Japan 104-0051	 	
			
		 	Henry Wong Trust U/A/D 6/10/04	 	
		 	P.O. BOX 919	 	
		 	Cupertino, CA 95014	 	
			
		 	Redpine Finance Holdings, Inc.	 	
		 	485 Boynton Ave., #7	 	
		 	San Jose, CA 95117	 	
			
		 	Hercules Technology Growth Capital, Inc.	 	
		 	400 Hamilton Ave.	 	
		 	Suite 310	 	
		 	Palo Alto, CA 94301	 	
			
		 	Bradley Grimes	 	
		 	14300 Autumn Gold Road	 	
		 	Boyds, MD 20841	 	
			
		 	Susan Potts	 	
		 	14054 Saddle River Drive	 	
		 	Gaithersburg, MD 20878	 	
			
		 	Michael Grimes	 	
		 	71 Kane Ave.	 	
		 	Larchmont, NY 10538	 	
			
		 	Silicon Valley Bank	 	
		 	3979 Freedom Circle, Suite 160	 	
		 	Santa Clara, CA 95054	 	

  
 -5-2000 Stock Plan and Form of Stock Option Agreement under 2000 Stock Plan

 Exhibit 10.2 
 IWATT INC. 
 2000 STOCK PLAN 

(as amended June 30, 2001) 
 (as amended February 10, 2003) 
 (as amended November 20, 2003)

 (as amended November 30, 2005) 
 (as amended September 7, 2006) 
 (as amended September 22, 2006)

 (as amended June 16, 2008) 
 1. Purposes of the Plan. The purposes of this 2000 Stock Plan are to attract and retain the best available personnel for positions of substantial responsibility, to provide additional
incentive to Employees and Consultants and to promote the success of the Company’s business. Options granted under the Plan may be Incentive Stock Options or Nonstatutory Stock Options, as determined by the Administrator at the time of grant of
an option and subject to the applicable provisions of Section 422 of the Code and the regulations promulgated thereunder. Stock purchase rights may also be granted under the Plan. 

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

(a) “Administrator” means the Board or its Committee appointed pursuant to Section 4 of the Plan.

 (b) “Affiliate” means an entity other than a Subsidiary (as defined below) which, together with the
Company, is under common control of a third person or entity. 
 (c) “Applicable Laws” means the legal
requirements relating to the administration of stock option and restricted stock purchase plans under applicable U.S. state corporate laws, U.S. federal and applicable state securities laws, the Code, any Stock Exchange rules or regulations and the
applicable laws of any other country or jurisdiction where Options or Stock Purchase Rights are granted under the Plan, as such laws, rules, regulations and requirements shall be in place from time to time. 

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

(e) “Change of Control” means a sale of all or substantially all of the Company’s assets, or any merger or
consolidation of the Company with or into another corporation other than a merger or consolidation in which the holders of more than 50% of the shares of capital stock of the Company outstanding immediately prior to such transaction continue to hold
(either by the voting securities remaining outstanding or by their being converted into voting securities of the surviving entity) more than 50% of the total voting power represented by the voting securities of the Company, or such surviving entity,
outstanding immediately after such transaction. 
 (f) “Code” means the Internal Revenue Code of 1986,
as amended. 

 (g) “Committee” means one or more committees or subcommittees of the
Board appointed by the Board to administer the Plan in accordance with Section 4 below. 
 (h) “Common
Stock” means the Common Stock of the Company. 
 (i) “Company” means iWatt Inc., a
California corporation. 
 (j) “Consultant” means any person, including an advisor, who is engaged by
the Company or any Parent, Subsidiary or Affiliate to render services and is compensated for such services, and any director of the Company whether compensated for such services or not. 

(k) “Continuous Service Status” means the absence of any interruption or termination of service as an Employee or
Consultant. Continuous Service Status as an Employee or Consultant shall not be considered interrupted in the case of: (i) sick leave; (ii) military leave; (iii) any other leave of absence approved by the Administrator, provided that
such leave is for a period of not more than ninety (90) days, unless reemployment upon the expiration of such leave is guaranteed by contract or statute, or unless provided otherwise pursuant to Company policy adopted from time to time; or
(iv) in the case of transfers between locations of the Company or between the Company, its Parents, Subsidiaries, Affiliates or their respective successors. A change in status from an Employee to a Consultant or from a Consultant to an Employee
will not constitute an interruption of Continuous Service Status. 
 (l) “Corporate Transaction” means a
sale of all or substantially all of the Company’s assets, or a merger, consolidation or other capital reorganization of the Company with or into another corporation and includes a Change of Control. 

(m) “Director” means a member of the Board. 

(n) “Employee” means any person employed by the Company or any Parent, Subsidiary or Affiliate, with the status
of employment determined based upon such factors as are deemed appropriate by the Administrator in its discretion, subject to any requirements of the Code or the Applicable Laws. The payment by the Company of a director’s fee to a Director
shall not be sufficient to constitute “employment” of such Director by the Company. 
 (o) “Exchange
Act” means the Securities Exchange Act of 1934, as amended. 
 (p) “Fair Market Value”
means, as of any date, the fair market value of the Common Stock, as determined by the Administrator in good faith on such basis as it deems appropriate and applied consistently with respect to Participants. Whenever possible, the determination of
Fair Market Value shall be based upon the closing price for the Shares as reported in the Wall Street Journal for the applicable date. 
 (q) “Incentive Stock Option” means an Option intended to qualify as an incentive stock option within the meaning of Section 422 of the Code, as designated in the applicable
Option Agreement. 

  
 -2-

 (r) “Listed Security” means any security of the
Company that is listed or approved for listing on a national securities exchange or designated or approved for designation as a national market system security on an interdealer quotation system by the National Association of Securities Dealers,
Inc. 
 (s) “Named Executive” means any individual who, on the last day of the Company’s fiscal
year, is the chief executive officer of the Company (or is acting in such capacity) or among the four most highly compensated officers of the Company (other than the chief executive officer). Such officer status shall be determined pursuant to the
executive compensation disclosure rules under the Exchange Act. 
 (t) “Nonstatutory Stock Option” means
an Option not intended to qualify as an Incentive Stock Option, as designated in the applicable Option Agreement. 
 (u)
“Option” means a stock option granted pursuant to the Plan. 
 (v) “Option
Agreement” means a written document, the form(s) of which shall be approved from time to time by the Administrator, reflecting the terms of an Option granted under the Plan and includes any documents attached to or incorporated into
such Option Agreement, including, but not limited to, a notice of stock option grant and a form of exercise notice. 
 (w)
“Option Exchange Program” means a program approved by the Administrator whereby outstanding Options are exchanged for Options with a lower exercise price or are amended to decrease the exercise price as a result of a decline
in the Fair Market Value of the Common Stock. 
 (x) “Optioned Stock” means the Common Stock subject to
an Option. 
 (y) “Optionee” means an Employee or Consultant who receives an Option. 

(z) “Parent” means a “parent corporation,” whether now or hereafter existing, as defined in
Section 424(e) of the Code, or any successor provision. 
 (aa) “Participant” means any holder of
one or more Options or Stock Purchase Rights, or the Shares issuable or issued upon exercise of such awards, under the Plan. 

(bb) “Plan” means this 2000 Stock Plan. 
 (cc) “Reporting Person” means an officer, Director, or greater than ten percent shareholder of the Company within the meaning of Rule 16a-2 under the Exchange Act, who is required
to file reports pursuant to Rule 16a-3 under the Exchange Act. 
 (dd) “Restricted Stock” means Shares
of Common Stock acquired pursuant to a grant of a Stock Purchase Right under Section 11 below. 
 (ee)
“Restricted Stock Purchase Agreement” means a written document, the form(s) of which shall be approved from time to time by the Administrator, reflecting the terms of a Stock Purchase Right granted under the Plan and includes
any documents attached to such agreement. 

  
 -3-

 (ff) “Rule 16b-3” means Rule 16b-3 promulgated under the Exchange
Act, as amended from time to time, or any successor provision. 
 (gg) “Share” means a share of the
Common Stock, as adjusted in accordance with Section 14 of the Plan. 
 (hh) “Stock Exchange” means
any stock exchange or consolidated stock price reporting system on which prices for the Common Stock are quoted at any given time. 
 (ii) “Stock Purchase Right” means the right to purchase Common Stock pursuant to Section 11 below. 
 (jj) “Subsidiary” means a “subsidiary corporation,” whether now or hereafter existing, as defined in Section 424(f) of the Code, or any successor provision.

 (kk) “Ten Percent Holder” means a person who 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. 
 3. Stock Subject to
the Plan. Subject to the provisions of Section 14 of the Plan, the maximum aggregate number of Shares that may be sold under the Plan is 47,688,969 Shares of Common Stock. The Shares may be authorized, but unissued, or reacquired Common
Stock. If an award should expire or become unexercisable for any reason without having been exercised in full, or is surrendered pursuant to an Option Exchange Program, the unpurchased Shares that were subject thereto shall, unless the Plan shall
have been terminated, become available for future grant under the Plan. In addition, any Shares of Common Stock which are retained by the Company upon exercise of an award in order to satisfy the exercise or purchase price for such award or any
withholding taxes due with respect to such exercise or purchase shall be treated as not issued and shall continue to be available under the Plan. Shares issued under the Plan and later repurchased by the Company pursuant to any repurchase right
which the Company may have shall not be available for future grant under the Plan. 
 4. Administration of the
Plan. 
 (a) General. The Plan shall be administered by the Board or a Committee, or a combination
thereof, as determined by the Board. The Plan may be administered by different administrative bodies with respect to different classes of Participants and, if permitted by the Applicable Laws, the Board may authorize one or more officers to make
awards under the Plan. 
 (b) Committee Composition. If a Committee has been appointed pursuant to this
Section 4, such Committee shall continue to serve in its designated capacity until otherwise directed by the Board. From time to time the Board may increase the size of any Committee and appoint additional members thereof, remove members (with
or without cause) and appoint new members in substitution therefor, fill vacancies (however caused) and remove all members of a 

  
 -4-

 
Committee and thereafter directly administer the Plan, all to the extent permitted by the Applicable Laws and, in the case of a Committee administering the Plan in accordance with the
requirements of Rule 16b-3 or Section 162(m) of the Code, to the extent permitted or required by such provisions. 
 (c)
Powers of the Administrator. Subject to the provisions of the Plan and in the case of a Committee, the specific duties delegated by the Board to such Committee, the Administrator shall have the authority, in its discretion: 

(i) to determine the Fair Market Value of the Common Stock, in accordance with Section 2(p) of the Plan, provided that such
determination shall be applied consistently with respect to Participants under the Plan; 
 (ii) to select the Employees and
Consultants to whom Options and Stock Purchase Rights may from time to time be granted; 
 (iii) to determine whether and to
what extent Options and Stock Purchase Rights are granted; 
 (iv) to determine the number of Shares of Common Stock to be
covered by each award granted; 
 (v) to approve the form(s) of agreement(s) used under the Plan; 

(vi) to determine the terms and conditions, not inconsistent with the terms of the Plan, of any award granted hereunder, which terms and
conditions include but are not limited to the exercise or purchase 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 Option, Optioned Stock, Stock Purchase Right or Restricted Stock, based in each case on such factors as the Administrator, in its sole discretion, shall determine; 

(vii) to determine whether and under what circumstances an Option may be settled in cash under Section 10(c) instead of Common
Stock; 
 (viii) to implement an Option Exchange Program on such terms and conditions as the Administrator in its discretion
deems appropriate, provided that no amendment or adjustment to an Option that would materially and adversely affect the rights of any Optionee shall be made without the prior written consent of the Optionee; 

(ix) to adjust the vesting of an Option held by an Employee or Consultant as a result of a change in the terms or conditions under which
such person is providing services to the Company; 
 (x) to construe and interpret the terms of the Plan and awards granted
under the Plan, which constructions, interpretations and decisions shall be final and binding on all Participants; 

  
 -5-

 (xi) to make any adjustment or amendment to the Plan or to an outstanding award with or
without a Participant’s consent if such adjustment or amendment is necessary to avoid the Company’s incurring adverse accounting charges; and 
 (xii) in order to fulfill the purposes of the Plan and without amending the Plan, to modify grants of Options or Stock Purchase Rights to Participants who are foreign nationals or employed outside of the
United States in order to recognize differences in local law, tax policies or customs. 
 5. Eligibility.

 (a) Recipients of Grants. Nonstatutory Stock Options and Stock Purchase Rights may be granted to Employees and
Consultants. Incentive Stock Options may be granted only to Employees, provided that Employees of Affiliates shall not be eligible to receive Incentive Stock Options. 
 (b) Type of Option. Each Option shall be designated in the Option Agreement as either an Incentive Stock Option or a Nonstatutory Stock Option. 

(c) ISO $100,000 Limitation. Notwithstanding any designation under Section 5(b), to the extent that the aggregate Fair
Market Value of Shares with respect to which Options designated as Incentive Stock Options are exercisable for the first time by any Optionee during any calendar year (under all plans of the Company or any Parent or Subsidiary) exceeds $100,000,
such excess Options shall be treated as Nonstatutory Stock Options. For purposes of this Section 5(c), Incentive Stock Options shall be taken into account in the order in which they were granted, and the Fair Market Value of the Shares subject
to an Incentive Stock Option shall be determined as of the date of the grant of such Option. 
 (d) No Employment
Rights. The Plan shall not confer upon any Participant any right with respect to continuation of an employment or consulting relationship with the Company, nor shall it interfere in any way with such Participant’s right or the
Company’s right to terminate his or her employment or consulting relationship at any time, with or without Cause. 
 6.
Term of Plan. The Plan shall become effective upon its adoption by the Board of Directors. It shall continue in effect for a term of ten (10) years unless sooner terminated under Section 16 of the Plan. 

7. Term of Option. The term of each Option shall be the term stated in the Option Agreement; provided that the term shall
be no more than ten years from the date of grant thereof or such shorter term as may be provided in the Option Agreement and provided further that, in the case of an Incentive Stock Option granted to a person who at the time of such grant is a
Ten Percent Holder, the term of the Option shall be five years from the date of grant thereof or such shorter term as may be provided in the Option Agreement. 

  
 -6-

 8. [Reserved.] 

9. Option Exercise Price and Consideration. 
 (a) Exercise Price. The per Share exercise price for the Shares to be issued pursuant to exercise of an Option shall be such price as is determined by the Administrator and set forth in the
Option Agreement, but shall be subject to the following: 
 (i) In the case of an Incentive Stock Option 

(A) granted to an Employee who at the time of grant is a Ten Percent Holder, the per Share exercise price shall be no less than 110% of
the Fair Market Value per Share on the date of grant; or 
 (B) granted to any other Employee, the per Share exercise price
shall be no less than 100% of the Fair Market Value per Share on the date of grant. 
 (ii) In the case of a Nonstatutory Stock
Option 
 (A) granted prior to the date, if any, on which the Common Stock becomes a Listed Security to a person who is at the
time of grant is a Ten Percent Holder, the per Share exercise price shall be no less than 110% of the Fair Market Value per Share on the date of grant if required by the Applicable Laws and, if not so required, shall be such price as is determined
by the Administrator; 
 (B) granted prior to the date, if any, on which the Common Stock becomes a Listed Security to any
other eligible person, the per Share exercise price shall be no less than 85% of the Fair Market Value per Share on the date of grant if required by the Applicable Laws and, if not so required, shall be such price as is determined by the
Administrator. 
 (C) granted on or after the date, if any, on which the Common Stock becomes a Listed Security to any eligible
person, the per share Exercise Price shall be such price as determined by the Administrator provided that if such eligible person is, at the time of the grant of such Option, a Named Executive of the Company, the per share Exercise Price shall be no
less than 100% of the Fair Market Value on the date of grant if such Option is intended to qualify as performance-based compensation under Section 162(m) of the Code. 
 (iii) Notwithstanding the foregoing, Options may be granted with a per Share exercise price other than as required above pursuant to a merger or other corporate transaction. 

(b) Permissible Consideration. The consideration to be paid for the Shares to be issued upon exercise of an Option,
including the method of payment, shall be determined by the Administrator (and, in the case of an Incentive Stock Option, shall be determined at the time of grant) and may consist entirely of (1) cash; (2) check; (3) delivery of
Optionee’s promissory note with such recourse, interest, security and redemption provisions as the 

  
 -7-

 
Administrator determines to be appropriate; (4) cancellation of indebtedness; (5) other Shares that have a Fair Market Value on the date of surrender equal to the aggregate exercise
price of the Shares as to which the Option is exercised, provided that in the case of Shares acquired, directly or indirectly, from the Company, such Shares must have been owned by the Optionee for more than six months on the date of surrender (or
such other period as may be required to avoid the Company’s incurring an adverse accounting charge); (6) delivery of a properly executed exercise notice together with such other documentation as the Administrator and a securities broker
approved by the Company shall require to effect exercise of the Option and prompt delivery to the Company of the sale or loan proceeds required to pay the exercise price and any applicable withholding taxes; or (7) any combination of the
foregoing methods of payment. In making its determination as to the type of consideration to accept, the Administrator shall consider if acceptance of such consideration may be reasonably expected to benefit the Company and the Administrator may, in
its sole discretion, refuse to accept a particular form of consideration at the time of any Option exercise. 
 10.
Exercise of Option. 
 (a) General. 

(i) Exercisability. Any Option granted hereunder shall be exercisable at such times and under such conditions as
determined by the Administrator, consistent with the term of the Plan and reflected in the Option Agreement, including vesting requirements and/or performance criteria with respect to the Company and/or the Optionee; provided however that, if
required by the Applicable Laws, any Option granted prior to the date, if any, upon which the Common Stock becomes a Listed Security shall become exercisable at the rate of at least 20% per year over five years from the date the Option is
granted. In the event that any of the Shares issued upon exercise of an Option (which exercise occurs prior to the date, if any, upon which the Common Stock becomes a Listed Security) should be subject to a right of repurchase in the Company’s
favor, such repurchase right shall, if required by the Applicable Laws, lapse at the rate of at least 20% per year over five years from the date the Option is granted. Notwithstanding the above, in the case of an Option granted to an officer,
Director or Consultant of the Company or any Parent, Subsidiary or Affiliate of the Company, the Option may become fully exercisable, or a repurchase right, if any, in favor of the Company shall lapse, at any time or during any period established by
the Administrator. The Administrator shall have the discretion to determine whether and to what extent the vesting of Options shall be tolled during any unpaid leave of absence; provided, however, that in the absence of such determination,
vesting of Options shall be tolled during any such leave. 
 (ii) Minimum Exercise Requirements. An Option may
not be exercised for a fraction of a Share. The Administrator may require that an Option be exercised as to a minimum number of Shares, provided that such requirement shall not prevent an Optionee from exercising the full number of Shares as to
which the Option is then exercisable. 
 (iii) Procedures for and Results of Exercise. An Option shall be deemed
exercised when written notice of such exercise has been given to the Company in accordance with the terms of the Option by the person entitled to exercise the Option and the 

  
 -8-

 
Company has received full payment for the Shares with respect to which the Option is exercised. Full payment may, as authorized by the Administrator, consist of any consideration and method of
payment allowable under Section 9(b) of the Plan, provided that the Administrator may, in its sole discretion, refuse to accept any form of consideration at the time of any Option exercise. 

Exercise of an Option in any manner shall result in a decrease in the number of Shares that thereafter may be 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. 
 (iv)
Rights as Shareholder. Until the issuance of the Shares (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 shareholder shall exist with respect to the Optioned Stock, notwithstanding the exercise of the Option. No adjustment will be made for a dividend or other right for which the record date is prior to the date the stock certificate is
issued, except as provided in Section 14 of the Plan. 
 (b) Termination of Employment or Consulting
Relationship. Except as otherwise set forth in this Section 10(b), the Administrator shall establish and set forth in the applicable Option Agreement the terms and conditions upon which an Option shall remain exercisable, if at all,
following termination of an Optionee’s Continuous Service Status, which provisions may be waived or modified by the Administrator at any time. To the extent that the Optionee is not entitled to exercise an Option at the date of his or her
termination of Continuous Service Status, or if the Optionee (or other person entitled to exercise the Option) does not exercise the Option to the extent so entitled within the time specified in the Option Agreement or below (as applicable), the
Option shall terminate and the Optioned Stock underlying the unexercised portion of the Option shall revert to the Plan. In no event may any Option be exercised after the expiration of the Option term as set forth in the Option Agreement (and
subject to Section 7). 
 The following provisions (1) shall apply to the extent an Option Agreement does not specify
the terms and conditions upon which an Option shall terminate upon termination of an Optionee’s Continuous Service Status, and (2) establish the minimum post-termination exercise periods that may be set forth in an Option Agreement:

 (i) Termination other than Upon Disability or Death or for Cause. In the event of termination of an
Optionee’s Continuous Service Status, such Optionee may exercise an Option for 30 days following such termination to the extent the Optionee was entitled to exercise it at the date of such termination. No termination shall be deemed to occur
and this Section 10(b)(i) shall not apply if (i) the Optionee is a Consultant who becomes an Employee, or (ii) the Optionee is an Employee who becomes a Consultant. 

(ii) Disability of Optionee. In the event of termination of an Optionee’s Continuous Service Status as a result of
his or her disability (including a disability within the meaning of Section 22(e)(3) of the Code), such Optionee may exercise an Option at any time within six months following such termination to the extent the Optionee was entitled to exercise
it at the date of such termination. 

  
 -9-

 (iii) Death of Optionee. In the event of the death of an Optionee during the
period of Continuous Service Status since the date of grant of the Option, or within thirty days following termination of Optionee’s Continuous Service Status, the Option may be exercised by Optionee’s estate or by a person who acquired
the right to exercise the Option by bequest or inheritance at any time within twelve months following the date of death, but only to the extent of the right to exercise that had accrued at the date of death or, if earlier, the date the
Optionee’s Continuous Service Status terminated. 
 (c) Buyout Provisions. The Administrator may at any time
offer to buy out for a payment in cash or Shares an Option previously granted under the Plan based on such terms and conditions as the Administrator shall establish and communicate to the Optionee at the time that such offer is made. 

11. Stock Purchase Rights. 
 (a) Rights to Purchase. When the Administrator determines that it will offer Stock Purchase Rights under the Plan, it shall advise the offeree in writing of the terms, conditions and
restrictions related to the offer, including the number of Shares that such person shall be entitled to purchase, the price to be paid, and the time within which such person must accept such offer. In the case of a Stock Purchase Right granted prior
to the date, if any, on which the Common Stock becomes a Listed Security and if required by the Applicable Laws at that time, the purchase price of Shares subject to such Stock Purchase Rights shall not be less than 85% of the Fair Market Value of
the Shares as of the date of the offer, or, in the case of a Ten Percent Holder, the price shall not be less than 100% of the Fair Market Value of the Shares as of the date of the offer. If the Applicable Laws do not impose the requirements set
forth in the preceding sentence and with respect to any Stock Purchase Rights granted after the date, if any, on which the Common Stock becomes a Listed Security, the purchase price of Shares subject to Stock Purchase Rights shall be as determined
by the Administrator. The offer to purchase Shares subject to Stock Purchase Rights shall be accepted by execution of a Restricted Stock Purchase Agreement in the form determined by the Administrator. 

(b) Repurchase Option. 
 (i) General. Unless the Administrator determines otherwise, the Restricted Stock Purchase Agreement shall grant the Company a repurchase option exercisable upon the voluntary or involuntary
termination of the purchaser’s employment with the Company for any reason (including death or disability). The purchase price for Shares repurchased pursuant to the Restricted Stock Purchase Agreement shall be the original purchase price paid
by the purchaser and may be paid by cancellation of any indebtedness of the purchaser to the Company. The repurchase option shall lapse at such rate as the Administrator may determine, provided that with respect to a Stock Purchase Right granted
prior to the date, if any, on which the Common Stock becomes a Listed Security to a purchaser who is not an officer, Director or Consultant of the Company or of any Parent or Subsidiary of the Company, it shall lapse at a minimum rate of
20% per year if required by the Applicable Laws. 
 (ii) Termination for Cause. In the event of termination
of a Participant’s Continuous Service Status for Cause, the Company shall have the right to 

  
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repurchase from the Participant vested Shares issued upon exercise of a Stock Purchase Right granted to any person other than an officer, Director or Consultant prior to the date, if any, upon
which the Common stock becomes a Listed Security upon the following terms: (A) the repurchase must be made within 90 days of termination of the Participant’s Continuous Service Status for Cause at the Fair Market Value of the Shares as of
the date of termination, (B) consideration for the repurchase consists of cash or cancellation of purchase money indebtedness, and (C) the repurchase right terminates upon the effective date of the Company’s initial public offering of
its Common Stock. With respect to vested Shares issued upon exercise of a Stock Purchase Right granted to any officer, Director or Consultant, the Company’s right to repurchase such Shares upon termination of such Participant’s Continuous
Service Status for Cause shall be made at the Participant’s original cost for the Shares and shall be effected pursuant to such terms and conditions, and at such time, as the Administrator shall determine. Nothing in this Section 11(b)(ii)
shall in any way limit the Company’s right to purchase unvested Shares as set forth in the applicable Restricted Stock Purchase Agreement. 
 (c) Other Provisions. The Restricted Stock Purchase Agreement shall contain such other terms, provisions and conditions not inconsistent with the Plan as may be determined by the
Administrator in its sole discretion. In addition, the provisions of Restricted Stock Purchase Agreements need not be the same with respect to each purchaser. 
 (d) Rights as a Shareholder. Once the Stock Purchase Right is exercised, the purchaser shall have the rights equivalent to those of a shareholder, and shall be a shareholder when his or her
purchase is entered upon the records of the duly authorized transfer agent of the Company. No adjustment will be made for a dividend or other right for which the record date is prior to the date the Stock Purchase Right is exercised, except as
provided in Section 14 of the Plan. 
 12. Taxes. 

(a) As a condition of the exercise of an Option or Stock Purchase Right granted under the Plan, the Participant (or in the case of the
Participant’s death, the person exercising the Option or Stock Purchase Right) shall make such arrangements as the Administrator may require for the satisfaction of any applicable federal, state, local or foreign withholding tax obligations
that may arise in connection with the exercise of the Option or Stock Purchase Right and the issuance of Shares. The Company shall not be required to issue any Shares under the Plan until such obligations are satisfied. If the Administrator allows
the withholding or surrender of Shares to satisfy a Participant’s tax withholding obligations under this Section 12 (whether pursuant to Section 12(c), (d) or (e), or otherwise), the Administrator shall not allow Shares to be
withheld in an amount that exceeds the minimum statutory withholding rates for federal and state tax purposes, including payroll taxes. 
 (b) In the case of an Employee and in the absence of any other arrangement, the Employee shall be deemed to have directed the Company to withhold or collect from his or her compensation an amount
sufficient to satisfy such tax obligations from the next payroll payment otherwise payable after the date of an exercise of the Option or Stock Purchase Right. 

  
 -11-

 (c) This Section 12(c) shall apply only after the date, if any, upon which the Common
Stock becomes a Listed Security. In the case of Participant other than an Employee (or in the case of an Employee where the next payroll payment is not sufficient to satisfy such tax obligations, with respect to any remaining tax obligations), in
the absence of any other arrangement and to the extent permitted under the Applicable Laws, the Participant shall be deemed to have elected to have the Company withhold from the Shares to be issued upon exercise of the Option or Stock Purchase Right
that number of Shares having a Fair Market Value determined as of the applicable Tax Date (as defined below) equal to the amount required to be withheld. For purposes of this Section 12, the Fair Market Value of the Shares to be withheld shall
be determined on the date that the amount of tax to be withheld is to be determined under the Applicable Laws (the “Tax Date”). 
 (d) If permitted by the Administrator, in its discretion, a Participant may satisfy his or her tax withholding obligations upon exercise of an Option or Stock Purchase Right by surrendering to the Company
Shares that have a Fair Market Value determined as of the applicable Tax Date equal to the amount required to be withheld. In the case of shares previously acquired from the Company that are surrendered under this Section 12(d), such Shares
must have been owned by the Participant for more than six (6) months on the date of surrender (or such other period of time as is required for the Company to avoid adverse accounting charges). 

(e) Any election or deemed election by a Participant to have Shares withheld to satisfy tax withholding obligations under
Section 12(c) or (d) above shall be irrevocable as to the particular Shares as to which the election is made and shall be subject to the consent or disapproval of the Administrator. Any election by a Participant under Section 12(d)
above must be made on or prior to the applicable Tax Date. 
 (f) In the event an election to have Shares withheld is made by a
Participant and the Tax Date is deferred under Section 83 of the Code because no election is filed under Section 83(b) of the Code, the Participant shall receive the full number of Shares with respect to which the Option or Stock Purchase
Right is exercised but such Participant shall be unconditionally obligated to tender back to the Company the proper number of Shares on the Tax Date. 
 13. Non-Transferability of Options and Stock Purchase Rights. 
 (a)
General. Except as set forth in this Section 13, Options and Stock Purchase Rights 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. The designation of a beneficiary by an Optionee will not constitute a transfer. An Option or Stock Purchase Right may be exercised, during the lifetime of the holder of an Option or Stock Purchase Right, only by such holder or a
transferee permitted by this Section 13. 
 (b) Limited Transferability Rights. Notwithstanding anything else
in this Section 13, prior to the date, if any, on which the Common Stock becomes a Listed Security, the Administrator may in its discretion grant Nonstatutory Stock Options that may be transferred by instrument to an inter vivos or testamentary
trust in which the Options are to be passed to 

  
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beneficiaries upon the death of the trustor (settlor) or by gift to “Immediate Family” (as defined below), on such terms and conditions as the Administrator deems appropriate. Following
the date, if any, on which the Common Stock becomes a Listed Security, the Administrator may in its discretion grant transferable Nonstatutory Stock Options pursuant to Option Agreements specifying the manner in which such Nonstatutory Stock Options
are transferable. “Immediate Family” means any child, stepchild, grandchild, parent, stepparent, grandparent, spouse, sibling, mother-in-law, father-in-law, son-in-law, daughter-in-law, brother-in-law, or sister-in-law, and shall
include adoptive relationships. 
 14. Adjustments Upon Changes in Capitalization, Merger or Certain Other
Transactions. 
 (a) Changes in Capitalization. Subject to any required action by the shareholders
of the Company, the number of Shares of Common Stock covered by each outstanding Option or Stock Purchase Right, and the number of Shares of Common Stock that have been authorized for issuance under the Plan but as to which no Options or Stock
Purchase Rights have yet been granted or that have been returned to the Plan upon cancellation or expiration of an Option or Stock Purchase Right, as well as the price per Share of Common Stock covered by each such outstanding Option or Stock
Purchase Right, shall be proportionately adjusted for any increase or decrease in the number of issued Shares of Common Stock resulting from a stock split, reverse stock split, stock dividend, combination, recapitalization or reclassification of the
Common Stock, or any other increase or decrease in the number of issued Shares of Common Stock effected without receipt of consideration by the Company; provided, however, that conversion of any convertible securities of the Company shall not be
deemed to have been “effected without receipt of consideration.” Such adjustment shall be made by the Administrator, whose determination in that respect shall be final, binding and conclusive. Except as expressly provided herein, no
issuance by the Company of shares of stock of any class, or securities convertible into shares of stock of any class, shall affect, and no adjustment by reason thereof shall be made with respect to, the number or price of Shares of Common Stock
subject to an Option or Stock Purchase Right. 
 (b) Dissolution or Liquidation. In the event of the dissolution
or liquidation of the Company, each Option and Stock Purchase Right will terminate immediately prior to the consummation of such action, unless otherwise determined by the Administrator. 

(c) Corporate Transaction. In the event of a Corporate Transaction, each outstanding Option or Stock Purchase Right shall
be assumed or an equivalent option or right shall be substituted by such successor corporation or a parent or subsidiary of such successor corporation (the “Successor Corporation”), unless the Successor Corporation does not agree to
assume the award or to substitute an equivalent option or right, in which case such Option or Stock Purchase Right shall terminate upon the consummation of the transaction. 
 For purposes of this Section 14(c), an Option or a Stock Purchase Right shall be considered assumed, without limitation, if, at the time of issuance of the stock or other consideration upon a
Corporate Transaction or a Change of Control, as the case may be, each holder of an Option or Stock Purchase Right would be entitled to receive upon exercise of the 

  
 -13-

 
award the same number and kind of shares of stock or the same amount of property, cash or securities as such holder would have been entitled to receive upon the occurrence of the transaction if
the holder had been, immediately prior to such transaction, the holder of the number of Shares of Common Stock covered by the award at such time (after giving effect to any adjustments in the number of Shares covered by the Option or Stock Purchase
Right as provided for in this Section 14); provided that if such consideration received in the transaction is not solely common stock of the Successor Corporation, the Administrator may, with the consent of the Successor Corporation, provide
for the consideration to be received upon exercise of the award to be solely common stock of the Successor Corporation equal to the Fair Market Value of the per Share consideration received by holders of Common Stock in the transaction. 

(d) Limitation on Payments. In the event that the vesting acceleration or lapse of a repurchase right provided for in
Section 14(c) above (x) constitutes “parachute payments” within the meaning of Section 280G of the Code, and (y) but for this Section 14(d) would be subject to the excise tax imposed by Section 4999 of the
Code (or any corresponding provisions of state income tax law), then such vesting acceleration or lapse of a repurchase right shall be either 
 (A) delivered in full, or 
 (B) delivered as to such lesser extent which would
result in no portion of such severance benefits being subject to excise tax under Code Section 4999, 
 whichever amount, taking into
account the applicable federal, state and local income taxes and the excise tax imposed by Code Section 4999, results in the receipt by the Participant on an after-tax basis of the greater amount of acceleration or lapse of repurchase rights
benefits, notwithstanding that all or some portion of such benefits may be taxable under Code Section 4999. Any determination required under this Section 14(d) shall be made in writing by the Company’s independent accountants, whose
determination shall be conclusive and binding for all purposes on the Company and any affected Participant. In the event that (A) above applies, then the Participant shall be responsible for any excise taxes imposed with respect to such
benefits. In the event that (B) above applies, then each benefit provided hereunder shall be proportionately reduced to the extent necessary to avoid imposition of such excise taxes. 

(e) Certain Distributions. In the event of any distribution to the Company’s shareholders of securities of any other
entity or other assets (other than dividends payable in cash or stock of the Company) without receipt of consideration by the Company, the Administrator may, in its discretion, appropriately adjust the price per Share of Common Stock covered by each
outstanding Option or Stock Purchase Right to reflect the effect of such distribution. 
 15. Time of Granting Options and
Stock Purchase Rights. The date of grant of an Option or Stock Purchase Right shall, for all purposes, be the date on which the Administrator makes the determination granting such Option or Stock Purchase Right, or such other date as is
determined by the Administrator, provided that in the case of any Incentive Stock Option, the grant date shall be the later of the date on which the Administrator makes the determination granting such Incentive Stock Option or the date of
commencement of the Optionee’s employment relationship with the Company. Notice of the determination shall be given to each Employee or Consultant to whom an Option or Stock Purchase Right is so granted within a reasonable time after the date
of such grant. 

  
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 16. Amendment and Termination of the Plan. 

(a) Authority to Amend or Terminate. The Board may at any time amend, alter, suspend or discontinue the Plan, but no
amendment, alteration, suspension or discontinuation (other than an adjustment pursuant to Section 14 above) shall be made that would materially and adversely affect the rights of any Optionee or holder of Stock Purchase Rights under any
outstanding grant, without his or her consent. In addition, to the extent necessary and desirable to comply with the Applicable Laws, the Company shall obtain shareholder approval of any Plan amendment in such a manner and to such a degree as
required. 
 (b) Effect of Amendment or Termination. No amendment or termination of the Plan shall materially and
adversely affect Options or Stock Purchase Rights already granted, unless mutually agreed otherwise between the Optionee or holder of the Stock Purchase Rights and the Administrator, which agreement must be in writing and signed by the Optionee or
holder and the Company. 
 (c) Accounting Issues. Notwithstanding anything else to the contrary in this
Section 16, the Administrator may at any time amend or adjust the Plan or an outstanding award issued under the Plan without the consent of the affected Participant(s) if such amendment or adjustment is necessary to avoid the Company’s
incurring adverse accounting charges. 
 17. Conditions Upon Issuance of Shares. Notwithstanding any other
provision of the Plan or any agreement entered into by the Company pursuant to the Plan, the Company shall not be obligated, and shall have no liability for failure, to issue or deliver any Shares under the Plan unless such issuance or delivery
would comply with the Applicable Laws, with such compliance determined by the Company in consultation with its legal counsel. As a condition to the exercise of an Option or Stock Purchase Right, the Company may require the person exercising the
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 by law. 
 18. Reservation of Shares. The Company, during the term of this Plan, will
at all times reserve and keep available such number of Shares as shall be sufficient to satisfy the requirements of the Plan. 

19. Agreements. Options and Stock Purchase Rights shall be evidenced by Option Agreements and Restricted Stock Purchase
Agreements, respectively, in such form(s) as the Administrator shall from time to time approve. 
 20. Shareholder
Approval. If required by the Applicable Laws, continuance of the Plan shall be subject to approval by the shareholders of the Company within twelve (12) months before or after the date the Plan is adopted. Such shareholder approval
shall be obtained in the manner and to the degree required under the Applicable Laws. 

  
 -15-

 21. Information and Documents to Optionees and Purchasers. Prior to the date,
if any, upon which the Common Stock becomes a Listed Security and if required by the Applicable Laws, the Company shall provide financial statements at least annually to each Optionee and to each individual who acquired Shares pursuant to the Plan,
during the period such Optionee or purchaser has one or more Options or Stock Purchase Rights outstanding, and in the case of an individual who acquired Shares pursuant to the Plan, during the period such individual owns such Shares. The Company
shall not be required to provide such information if the issuance of Options or Stock Purchase Rights under the Plan is limited to key employees whose duties in connection with the Company assure their access to equivalent information. 

  
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 IWATT, INC. 
 2000 STOCK PLAN 
 STOCK OPTION AGREEMENT 

1. Grant of Option. IWATT, INC., a California corporation (the “Company”), hereby grants to
Optionee (“Optionee”), an option (the “Option”) to purchase a total number of shares of Common Stock (the “Shares”) set forth in the Notice of Stock Option Grant, at the exercise price per share set
forth in the Notice of Stock Option Grant (the “Exercise Price”) subject to the terms, definitions and provisions of the IWATT, INC. 2000 Stock Plan (the “Plan”) adopted by the Company, which is incorporated herein
by reference. Unless otherwise defined herein, the terms defined in the Plan shall have the same defined meanings in this Option. 
 If designated an Incentive Stock Option, this Option is intended to qualify as an Incentive Stock Option as defined in Section 422 of the Code. 

2. Exercise of Option. This Option shall be exercisable during its Term in accordance with the Vesting
Schedule set out in the Notice of Stock Option Grant and with the provisions of Section 9 of the Plan as follows: 

(a) Right to Exercise. 
 (i) This Option may be exercised in whole or in part at any time after the Date of Grant, as to Shares which have not yet vested under the vesting schedule indicated on the Notice of Stock Option Grant;
provided, however, that Optionee shall execute as a condition to such exercise of this Option, the Early Exercise Notice and Restricted Stock Purchase Agreement attached hereto as Exhibit A (the “Early Exercise
Agreement”). If Optionee chooses to exercise this Option solely as to Shares which have vested under the vesting schedule indicated on the Notice of Stock Option Grant, Optionee shall complete and execute the form of Exercise Notice and
Restricted Stock Purchase Agreement attached hereto as Exhibit B (the “Exercise Agreement”). Notwithstanding the foregoing, the Company may in its discretion prescribe or accept a different form of notice of exercise
and/or stock purchase agreement if such forms are otherwise consistent with this Agreement, the Plan and then-applicable law. 

(ii) This Option may not be exercised for a fraction of a share. 

(iii) In the event of Optionee’s death, disability or other termination of employment or consulting relationship, the
exercisability of the Option is governed by Sections 5, 6 and 7 below, subject to the limitation contained in Section 2(a)(iv) below. 
 (iv) In no event may this Option be exercised after the Expiration Date of this Option as set forth in the Notice of Stock Option Grant. 

(b) Method of Exercise. This Option shall be exercisable by execution and delivery of the Early Exercise Agreement
or the Exercise Agreement, whichever is applicable, or of 

 
any other written notice approved for such purpose by the Company which shall state the election to exercise the Option, the number of Shares in respect of which the Option is being exercised,
and such other representations and agreements as to the holder’s investment intent with respect to such shares of Common Stock as may be required by the Company pursuant to the provisions of the Plan. Such written notice shall be signed by
Optionee and shall be delivered in person or by certified mail to the Secretary of the Company. The written notice shall be accompanied by payment of the Exercise Price. This Option shall be deemed to be exercised upon receipt by the Company of such
written notice accompanied by the Exercise Price. 
 No Shares will be issued pursuant to the exercise of an Option unless such
issuance and such exercise shall comply with all relevant provisions of applicable law, including the requirements of any stock exchange upon which the Shares may then be listed. Assuming such compliance, for income tax purposes the Shares shall be
considered transferred to Optionee on the date on which the Option is exercised with respect to such Shares. 
 3. Method
of Payment. Payment of the Exercise Price shall be by cash, check or any other method permitted under the Plan; provided however that the Administrator may refuse to allow Optionee to tender a particular form of payment (other than
cash or check) if, in the Administrator’s sole discretion, acceptance of such form of consideration would not be in the best interests of the Company at such time. 
 4. Restrictions on Exercise. This Option may not be exercised until such time as the Plan has been approved by the shareholders of the Company, or if the issuance of such Shares upon
such exercise or the method of payment of consideration for such shares would constitute a violation of any applicable federal or state securities or other law or regulation, including any rule under Part 207 of Title 12 of the Code of
Federal Regulations as promulgated by the Federal Reserve Board. As a condition to the exercise of this Option, the Company may require Optionee to make any representation and warranty to the Company as may be required by any applicable law or
regulation. 
 5. Termination of Relationship. 

(a) In the event of termination of Optionee’s Continuous Status as an Employee or Consultant, Optionee may, to the extent otherwise
so entitled at the date of such termination (the “Termination Date”), exercise this Option during the Termination Period set forth in the Notice of Stock Option Grant. To the extent that Optionee was not entitled to exercise this
Option at such Termination Date, or if Optionee does not exercise this Option within the Termination Period, the Option shall terminate. 
 (b) Notwithstanding the foregoing, to the extent that Optionee is an Employee of the Company, if Optionee’s Continuous Status as an Employee is Involuntarily Terminated without Cause (as such terms
are defined below) during the 12-month period following a Change of Control (as defined below), then the vesting schedule set forth on the Notice of Stock Option Grant will accelerate automatically such that 100% of the then remaining unvested
shares under this Option will become immediately vested and exercisable. 

  
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 (c) For purposes of this Section 5, the following terms shall be defined as follows:

 (i) “Cause” means: (A) gross negligence or willful misconduct in the performance of the Employee’s
duties to the Company; (B) repeated unexplained or unjustified absence from the Company; (C) refusal or failure to act in accordance with any specific direction or order of the Board of Directors; (D) commission of any act of fraud
with respect to the Company; or (E) conviction of a felony or a crime involving moral turpitude causing material harm to the standing and reputation of the Company, in each case as determined by the Board of Directors of the Company.

 (ii) “Change of Control” means a sale of all or substantially all of the Company’s assets, or any merger or
consolidation of the Company with or into another corporation other than a merger or consolidation in which the holders of more than 50% of the shares of capital stock of the Company outstanding immediately prior to such transaction continue to hold
(either by the voting securities remaining outstanding or by their being converted into voting securities of the surviving entity) more than 50% of the total voting power represented by the voting securities of the Company, or such surviving entity,
outstanding immediately after such transaction. 
 (iii) “Involuntary Termination” means: (A) any purported
termination by the Company of the Optionee’s employment or position as a Director of the Company which is not effected for Cause; (B) a material reduction by the Company in the base salary of the Employee; (C) a material reduction by
the Company in the kind or level of employee benefits, to which the Employee was entitled immediately prior to such reduction with the result that the Employee’s overall benefits package is significantly reduced; or (D) the relocation of
the Employee to a facility or a location more than 50 miles from the Employee’s then present location, without the Employee’s express written consent. 
 (d) Notwithstanding the foregoing, in the event that the acceleration of vesting set forth in Section 5(b), together with any severance and other benefits otherwise payable to the Optionee
(i) constitute “parachute payments” within the meaning of Section 280G of the Internal Revenue Code of 1986, as amended (the “Code”), and (ii) but for this Section 5(d), would be subject to the excise tax
imposed by Section 4999 of the Code (or any corresponding provisions of state income tax law), then the acceleration of vesting under Section 5(b) shall be either 
 (i) delivered in full, or 
 (ii) delivered as to such lesser extent which would
result in no portion of such severance benefits being subject to excise tax under Section 4999 of the Code, whichever of the foregoing amounts, taking into account the applicable federal, state and local income taxes and the excise tax imposed
by Section 4999, results in the receipt by the Employee on an after tax-basis, of the greater amount of severance benefits, notwithstanding that all or some portion of such severance benefits may be taxable under Section 4999 of the Code.
In the event that subsection (ii) above applies, then Optionee shall be responsible for any excise taxes imposed with respect to such severance and other benefits. In the event that subsection (ii) above applies, then each benefit provided
hereunder shall be proportionately reduced to the extent necessary to avoid imposition of such excise taxes. 

  
 -3-

 6. Disability of Optionee. 

(a) Notwithstanding the provisions of Section 5 above, in the event of termination of Optionee’s Continuous Status as an
Employee or Consultant as a result of his or her total and permanent disability (as defined in Section 22(e)(3) of the Code), Optionee may, but only within twelve months from the Termination Date (but in no event later than the Expiration Date
set forth in the Notice of Stock Option Grant and in Section 9 below), exercise this Option to the extent he or she was entitled to exercise it at such Termination Date. To the extent that Optionee was not entitled to exercise the Option on the
Termination Date, or if Optionee does not exercise such Option to the extent so entitled within the time specified in this Section 6(a), the Option shall terminate. 
 (b) Notwithstanding the provisions of Section 5 above, in the event of termination of Optionee’ s consulting relationship or Continuous Status as an Employee as a result of a disability not
constituting a total and permanent disability (as set forth in Section 22(e)(3) of the Code), Optionee may, but only within six months from the Termination Date (but in no event later than the Expiration Date set forth in the Notice of Stock
Option Grant and in Section 9 below), exercise the Option to the extent Optionee was entitled to exercise it as of such Termination Date; provided, however, that if this is an Incentive Stock Option and Optionee fails to exercise this Incentive
Stock Option within three months from the Termination Date, this Option will cease to qualify as an Incentive Stock Option (as defined in Section 422 of the Code) and Optionee will be treated for federal income tax purposes as having received
ordinary income at the time of such exercise in an amount generally measured by the difference between the Exercise Price for the Shares and the Fair Market Value of the Shares on the date of exercise. To the extent that Optionee was not entitled to
exercise the Option at the Termination Date, or if Optionee does not exercise such Option to the extent so entitled within the time specified in this Section 6(b), the Option shall terminate. 

7. Death of Optionee. In the event of the death of Optionee (a) during the Term of this Option and while an
Employee or Consultant of the Company and having been in Continuous Status as an Employee or Consultant since the date of grant of the Option, or (b) within 30 days after Optionee’s Termination Date, the Option may be exercised at any time
within six months following the date of death (but in no event later than the Expiration Date set forth in the Notice of Stock Option Grant and in Section 9 below), by Optionee’s estate or by a person who acquired the right to exercise the
Option by bequest or inheritance, but only to the extent of the right to exercise that had accrued at the Termination Date. 

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

9. Term of Option. This Option may be exercised only within the Term set forth in the Notice of Stock Option Grant,
subject to the limitations set forth in Section 7 of the Plan. 
 10. Tax Consequences. Set forth
below is a brief summary as of the date of this Option of certain of the federal and California tax consequences of exercise of this Option and disposition of the Shares under the laws in effect as of the Date of Grant. THIS SUMMARY IS NECESSARILY

  
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INCOMPLETE, AND THE TAX LAWS AND REGULATIONS ARE SUBJECT TO CHANGE. OPTIONEE SHOULD CONSULT A TAX ADVISER BEFORE EXERCISING THIS OPTION OR DISPOSING OF THE SHARES. 

(a) Exercise of Incentive Stock Option. If this Option qualifies as an Incentive Stock Option, there will be no
regular federal or California income tax liability upon the exercise of the Option, although the excess, if any, of the Fair Market Value of the Shares on the date of exercise over the Exercise Price will be treated as an adjustment to the
alternative minimum tax for federal tax purposes and may subject Optionee to the alternative minimum tax in the year of exercise. 
 (b) Exercise of Nonstatutory Stock Option. If this Option does not qualify as an Incentive Stock Option, there may be a regular federal income tax liability and a California income
tax liability upon the exercise of the Option. Optionee will be treated as having received compensation income (taxable at ordinary income tax rates) equal to the excess, if any, of the Fair Market Value of the Shares on the date of exercise over
the Exercise Price. If Optionee is an employee, the Company will be required to withhold from Optionee’s compensation or collect from Optionee and pay to the applicable taxing authorities an amount equal to a percentage of this compensation
income at the time of exercise. 
 (c) Disposition of Shares. In the case of a Nonstatutory Stock Option,
if Shares are held for more than one year, any gain realized on disposition of the Shares will be treated as long-term capital gain for federal and California income tax purposes. In the case of an Incentive Stock Option, if Shares transferred
pursuant to the Option are held for more than one year after exercise and are disposed of at least two years after the Date of Grant, any gain realized on disposition of the Shares will also be treated as long-term capital gain for federal and
California income tax purposes. In either case, the long term capital gain will be taxed for federal income tax and alternative minimum tax purposes at a maximum rate of 20% if the Shares are held more than one year after exercise. If Shares
purchased under an Incentive Stock Option are disposed of within one year after exercise or within two years after the Date of Grant, any gain realized on such disposition will be treated as compensation income (taxable at ordinary income rates) to
the extent of the difference between the Exercise Price and the lesser of (i) the Fair Market Value of the Shares on the date of exercise, or (ii) the sale price of the Shares. 

(d) Notice of Disqualifying Disposition of Incentive Stock Option Shares. If the Option granted to Optionee herein
is an Incentive Stock Option, and if Optionee sells or otherwise disposes of any of the Shares acquired pursuant to the Incentive Stock Option on or before the later of (i) the date two years after the Date of Grant, or (ii) the date one
year after the date of exercise, Optionee shall immediately notify the Company in writing of such disposition. Optionee acknowledges and agrees that he or she may be subject to income tax withholding by the Company on the compensation income
recognized by Optionee from the early disposition by payment in cash or out of the current earnings paid to Optionee. 

  
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 11. Withholding Tax Obligations. 

(a) General Withholding Obligations. As a condition to the exercise of Option granted hereunder, Optionee shall make
such arrangements as the Administrator may require for the satisfaction of any federal, state, local or foreign withholding tax obligations that may arise in connection with the exercise, receipt or vesting of the Option. The Company shall not be
required to issue any Shares under the Plan until such obligations are satisfied. Optionee understands that, upon exercising a Nonstatutory Stock Option, he or she will recognize income for tax purposes in an amount equal to the excess of the then
Fair Market Value of the Shares over the Exercise Price. If Optionee is an employee, the Company will be required to withhold from Optionee’s compensation, or collect from Optionee and pay to the applicable taxing authorities an amount equal to
a percentage of this compensation income. Additionally, Optionee may at some point be required to satisfy tax withholding obligations with respect to the disqualifying disposition of an Incentive Stock Option. Optionee shall satisfy his or her tax
withholding obligation arising upon the exercise of this Option by one or some combination of the following methods: (i) by cash or check payment, (ii) out of Optionee’s current compensation, (iii) if permitted by the
Administrator, in its discretion, by surrendering to the Company Shares which (A) in the case of Shares previously acquired from the Company, have been owned by Optionee for more than six months on the date of surrender, and (B) have a
Fair Market Value determined as of the applicable Tax Date (as defined in Section 11(c) below) on the date of surrender equal to the amount required to be withheld, or (iv) by electing to have the Company withhold from the Shares to be
issued upon exercise of the Option, or the Shares to be issued in connection with the Stock Purchase Right, if any, that number of Shares having a Fair Market Value determined as of the applicable Tax Date equal to the amount required to be
withheld. 
 (b) Stock Withholding to Satisfy Withholding Tax Obligations. In the event the Administrator
allows Optionee to satisfy his or her tax withholding obligations as provided in Section 11(a)(iii) or (iv) above, such satisfaction must comply with the requirements of this Section (11)(b) and all applicable laws. All elections by
Optionee to have Shares withheld to satisfy tax withholding obligations shall be made in writing in a form acceptable to the Administrator and shall be subject to the following restrictions: 

(i) the election must be made on or prior to the applicable Tax Date (as defined in Section 11(c) below); 

(ii) once made, the election shall be irrevocable as to the particular Shares of the Option as to which the election is made; and

 (iii) all elections shall be subject to the consent or disapproval of the Administrator. 

In the event the election to have Shares withheld is made by Optionee and the Tax Date is deferred under Section 83 of the Code
because no election is filed under Section 83(b) of the Code, Optionee shall receive the full number of Shares with respect to which the Option is exercised but Optionee shall be unconditionally obligated to tender back to the Company the
proper number of Shares on the Tax Date. 

  
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 (c) Definitions. For purposes of this Section 11, the Fair Market
Value of the Shares to be withheld shall be determined on the date that the amount of tax to be withheld is to be determined under the applicable laws (the “Tax Date”). 

12. Market Standoff Agreement. In connection with the initial public offering of the Company’s securities and
upon request of the Company or the underwriters managing such underwritten offering of the Company’s securities, Optionee agrees not to sell, make any short sale of, loan, grant any option for the purchase of, or otherwise dispose of any
securities of the Company (other than those included in the registration) without the prior written consent of the Company or such underwriters, as the case may be, for such period of time (not to exceed 180 days) from the effective date of such
registration as may be requested by the Company or such managing underwriters and to execute an agreement reflecting the foregoing as may be requested by the underwriters at the time of the Company’s initial public offering. 

  
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