Document:

2008 Investors' Rights Agreement

 Exhibit 4.2 

NEOPHOTONICS CORPORATION 

2008 INVESTORS’ RIGHTS AGREEMENT 

This 2008 Investors’ Rights Agreement (the “Agreement”) is made as of May 14, 2008 by and among NeoPhotonics
Corporation, a Delaware corporation (the “Company”), the investors listed on Exhibit A hereto and certain individuals listed on Exhibit B. (the “Concord-represented Parties”), each of which
is herein referred to as an “Investor.” 
 INTRODUCTION 

A. The Company and certain of the Investors (the “Existing Investors”) have entered into that certain 2006
Investors’ Rights Agreement dated May 30, 2006 (the “Prior Agreement”). 
 B. The Company and certain
of the Investors have entered into a Series X Preferred Stock Purchase Agreement (the “Purchase Agreement”) of even date herewith pursuant to which the Company desires to sell to such Investors and such Investors desire to purchase
from the Company shares of the Company’s Series X Preferred Stock. A condition to such Investors’ obligations under the Purchase Agreement is that the Company and the Investors enter into this Agreement in order to provide the Investors
with (i) certain rights to register shares of the Company’s Common Stock issuable upon conversion of the Series X Preferred Stock held by the Investors, (ii) certain rights to receive information pertaining to the Company, and
(iii) a right of first offer with respect to certain issuances by the Company of its securities. The Company desires to induce the Investors who are parties to the Purchase Agreement to purchase shares of Series X Preferred Stock pursuant to
the Purchase Agreement by agreeing to the terms and conditions set forth herein and to accept the rights created pursuant hereto in lieu of the rights granted under the Prior Agreement. 

C. Pursuant to Section 3.7 of the Prior Agreement, this Agreement is being executed by the Company, IFC (defined below) and the
holders of a majority of the Registrable Securities (defined below) currently outstanding, thereby amending and restating the Prior Agreement to add parties acquiring Series X Preferred Stock as parties to this Agreement and make certain other
changes. 
 AGREEMENT 

The parties hereby agree that the Prior Agreement shall be superseded and replaced in its entirety by this Agreement and further agree as
follows: 
 1. Registration Rights. The Company and the Investors covenant and agree as follows: 

1.1 Definitions. For purposes of this Section 1: 

(a) The term “Restated Certificate of Incorporation” means the then-existing Amended and Restated Certificate of
Incorporation of the Company. 
 (b) 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 “Act”), and the declaration or
ordering of effectiveness of such registration statement or document; 

 (c) The term “Registrable Securities” means (i) the shares of Common
Stock issuable or issued upon conversion of the Series 1 Preferred Stock, Series 2 Preferred Stock, Series 3 Preferred Stock and Series X Preferred Stock (such shares of Common Stock are collectively referred to hereinafter as the
“Stock” and shares of Series 1 Preferred Stock, Series 2 Preferred Stock, Series 3 Preferred Stock and Series X Preferred Stock are collectively referred to hereinafter as the “Preferred Stock”), (ii) the
shares of Common Stock issuable upon exercise of those certain warrants to purchase shares of the Company’s Common Stock issued pursuant to the Company’s prior Plan of Reorganization under Chapter 11 of the United States Bankruptcy Code
(the “Plan”), (iii) the shares of Common Stock issued to certain lenders of the Company pursuant to the Plan; (iv) the shares of Common Stock issued to the Investors pursuant to the Series 2 Preferred Stock Purchase
Agreement dated July 5, 2005 (the “Series 2 Purchase Agreement”), (v) the shares of Common Stock issued to the Concord-represented Parties in connection with the Photon Acquisition, and (vi) for purposes of
Section 1.3 only, shares of Common Stock issued or issuable upon conversion of Preferred Stock issued or issuable upon exercise of warrants to purchase Preferred Stock issued after the date hereof to financial institutions or lessors in
connection with commercial credit arrangements, equipment financings or similar transactions referred to in Section 2.3(e)(v) unanimously approved in each case by the Board of Directors of the Company, which entities execute a counterpart
signature page hereto and agree to be bound by the terms hereof; 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 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. A holder of a convertible security need not exercise or convert such security into Common Stock prior to requesting registration hereunder but may make such
request in contemplation of conversion of such Preferred Stock into Common Stock or exercise of such convertible security prior to the effectiveness of such registration. 

(d) The number of shares of “Registrable Securities then outstanding” shall be determined by the number of shares of
Common Stock outstanding which are, Registrable Securities and: (i) are then issued and outstanding or (ii) are then issuable pursuant to exercise or conversion of then outstanding and then exercisable options, warrants or convertible
securities. 
 (e) The term “Holder” means any person owning or having the right to acquire Registrable
Securities or any assignee thereof in accordance with Section 1.13 hereof; 
 (f) The term “IFC” means
International Finance Corporation and its affiliates. 
 (g) The term “Form S-3” means such form under the Act
as in effect on the date hereof or any successor form under the Act that permits the incorporation or inclusion of substantial information by reference to other documents filed by the Company with the SEC; 

(h) The term “SEC” means the Securities and Exchange Commission; 

(i) The term “Qualified IPO” has the meaning as defined in the Company’s Restated Certificate of Incorporation in
connection with which all of the outstanding shares of Preferred Stock are converted into shares of Common Stock, pursuant to the Company’s Restated Certificate of Incorporation. 

 

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 (j) The term “Photon” means Shenzhen Photon Technology Co., Ltd.
(currently renamed NeoPhotonics (China) Co., Ltd.); and 
 (k) The term “Photon Acquisition” means the
acquisition transaction where the Concord-represented Parties received shares of the Company. 
 1.2 Request for
Registration. 
 (a) If the Company shall receive, at any time after the earlier of (i) May 31, 2010, and
(ii) six (6) months after the effective date of the first registration statement for a public offering of securities of the Company, a written request from the Holders of at least twenty percent (20%) of the Registrable Securities
then outstanding that the Company file a registration statement under the Act covering the registration of Registrable Securities pursuant to which the anticipated aggregate offering price, net of underwriting discounts and commissions, would exceed
$10,000,000, then the Company shall, within twenty (20) days of the receipt thereof, give written notice of such request to all Holders and shall, subject to the limitations of subsections 1.2(b), (c) and (d), use its best efforts to
effect as soon as practicable the registration under the Act of all Registrable Securities which the Holders request to be registered within thirty (30) days of the mailing of such notice by the Company in accordance with Section 3.5.

 (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 a majority in interest of the Initiating Holders (based on Registrable Securities requested to be included) and shall be reasonably acceptable to the Company.
In such event, the right of any Holder to 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, based on Registrable Securities requested to be included, 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 1.4(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 stockholders 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.

  

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 (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; provided, however, that if a registration has become effective and is subsequently withdrawn from effectiveness at the request of at
least a majority in interest of the Initiating Holders prior to the sale of any Registrable Securities under such registration because such Holders have learned of a material adverse change in the condition, business, or prospects of the Company
from that known to such Holders at the time the registration became effective and such Holders have requested the withdrawal of the registration’s effectiveness with reasonable promptness following disclosure by the Company of such material
adverse change, then such registration shall not count as an effected registration for purposes of the two (2) registration limit referenced at the beginning of this sentence. 

(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 1.12 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 stockholders other than the Holders) any of its stock under the Act
in connection with the public offering of such securities (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 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. Upon the written request of each Holder given within thirty
(30) days after mailing of such notice by the Company in accordance with Section 3.5, the Company shall, subject to the provisions of Section 1.8, cause to be registered under the Act all of the Registrable Securities that each such
Holder has requested to be registered. 
 1.4 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;
provided, however, that such 120 day period shall be extended for a period of time equal to the period a Holder refrains from selling any securities included in such registration at the request of an underwriter of any securities of
the Company. 
  

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 (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 Act with respect to the disposition of all securities covered by such registration statement for up to one
hundred twenty (120) days; provided, however, that such 120-day period shall be extended for a period of time equal to the period the Holder refrains from selling any securities included in such registration at the request of an
underwriter of Common Stock (or other securities) of the Company. 
 (c) Furnish to the Holders such numbers of copies of a
prospectus, including a preliminary prospectus, in conformity with the requirements of the 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 unless the Company is already subject to service in such jurisdiction and except as may be required by law. 

(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 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 omits to state a material fact
required to be stated therein or necessary to make the statements therein not misleading or incomplete in the light of the circumstances then existing, such obligation to continue for one hundred twenty (120) days and at the request of any such
Holder prepare and furnish to such Holder a reasonable number of copies of a supplement or an amendment to such prospectus as may be necessary so that, as thereafter delivered to the purchasers of such Registrable Securities, such prospectus shall
not include an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statement therein not misleading or incomplete in light of the circumstances then existing. 

(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, or, if such securities
are not being sold through underwriters, on the date that the registration statement with respect to such securities becomes effective, (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, if any, 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. 
  

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 1.5 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 reasonably be required to effect the registration, qualification or compliance 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 1.12 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 1.12(b)(2), whichever is applicable. 
 1.6 Expenses of 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 Holders (selected by the holders of at least a majority of the Registrable Securities
held by the Initiating Holders) 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 if the registration request is
subsequently withdrawn at the request of the Holders of at least a majority of the Registrable Securities held by the Initiating Holders to be registered (in which case all participating Holders shall bear such expenses in proportion to the number
of shares for which registration was requested), unless the participating Holders agree to forfeit their right to one demand registration pursuant to Section 1.2; provided, however, that if at the time of such withdrawal, the Holders have
learned of a material adverse change in the condition, business, or prospects of the Company from that known to the Holders at the time of their request and have withdrawn the request with reasonable promptness following disclosure by the Company of
such material adverse change, then the Holders shall not be required to pay any of such expenses and shall not be required to forfeit a demand registration pursuant to Section 1.2. 

1.7 Expenses of Company Registration. The Company shall bear and pay all expenses incurred in connection with any
registration, filing or qualification of Registrable Securities with respect to the registrations pursuant to Section 1.3 for each Holder (which right may be assigned as provided in Section 1.13), including (without limitation) all
registration, filing, and qualification fees, printers’ and accounting fees relating or apportionable thereto and the reasonable fees and disbursements of one counsel for the selling Holders selected by Holders holding at least a majority of
the Registrable Securities held by all selling Holders, but excluding underwriting discounts and commissions relating to Registrable Securities. 

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 Holder’s securities in such underwriting unless such Holder accepts 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 good faith and 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 stockholders to be included in such offering exceeds the amount of securities sold other than by the Company that the underwriters determine in good faith and in their sole
discretion is compatible with the success of the offering, then the 
  

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Company shall be required to include in the offering only that number of such securities, including Registrable Securities, which the underwriters determine in good faith and in their sole
discretion will not jeopardize the success of the offering. In no event shall any Registrable Securities be excluded from such offering unless all other stockholders’ securities have been first excluded. If the underwriters determine that less
than all of the Registrable Securities requested to be registered can be included in such offering, then the Registrable Securities that are included in such offering shall be apportioned pro rata among the selling Holders based on the number of
Registrable Securities held by all selling Holders or in such other proportions as shall mutually be agreed to by all such selling Holders. Notwithstanding the foregoing, in no event shall (i) the amount of Registrable Securities of the selling
Holders included in the offering be reduced below twenty percent (20%) of the total amount of securities included in such offering, unless such offering is the initial public offering of the Company’s securities in which case the selling
stockholders may be excluded if the underwriters make the determination described above and no other stockholder’s securities are included, or (ii) such registration include shares of any other selling stockholder of the Company (other
than the Registrable Securities of a Holder). For purposes of the preceding parenthetical concerning apportionment, for any selling stockholder which is a holder of Registrable Securities and which is a partnership, corporation or limited liability
company, the partners, retired partners, members, retired members and stockholders of such holder, or the estates and family members of any such partners, retired partners, members, retired members and any trusts for the benefit of any of the
foregoing persons shall be deemed to be a single “selling stockholder,” and any pro-rata reduction with respect to such “selling stockholder” shall be based upon the aggregate amount of shares carrying registration rights
owned by all entities and individuals included in such “selling stockholder,” 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) The Company will indemnify and hold harmless each
Holder, the partners or officers, directors, affiliates and shareholders of each Holder, any underwriter (as defined in the Act) for such Holder and each person, if any, who controls such Holder or underwriter within the meaning of the 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 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 Act, the Exchange Act, any state securities
law or any rule or regulation promulgated under the Act, the Exchange Act or any state securities law; and the Company will pay to each such Holder, partners or officers, directors, affiliates and shareholders of each Holder, underwriter or
controlling person, as incurred (subject to submission of supporting documentation in reasonable detail), 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 or delayed), nor 
  

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shall the Company be liable to any Holder, partners or officers, directors, affiliates and shareholders of each Holder, underwriter or controlling person in any such case 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 such
Holder, underwriter or controlling person. 
 (b) To the extent permitted by law, each Holder, including the partners or
officers, directors and shareholders of each Holder, whose Registrable Securities are included in the registration statement will severally but not jointly 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 Act, any underwriter, any other Holder and any 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 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 under an instrument duly
executed by such Holder and stated to be specifically for use in connection with such registration; and each such Holder will pay, as incurred (subject to submission of supporting documentation in reasonable detail), 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 or delayed; 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, except in the case of willful fraud 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 to so 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 

 

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relative fault of the indemnifying party on the one hand and of the indemnified party on the other in connection with Violations 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 Violation. 

(e) Unless otherwise superceded by an underwriting agreement entered into in connection with the underwritten public offering, 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 and shall survive the termination of this
Agreement. No indemnifying party, in defense of any claim of litigation set forth under this Section 1.10, shall, except with the consent of each indemnified party, consent to entry of any judgment or enter into any settlement that does not
include as an unconditional term thereof the giving by the claimant or plaintiff to such indemnified party of a release from all liability in respect to such claim or litigation. 

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 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 Section 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 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 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. 
  

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 1.12 Form S-3 Registration. In case the Company shall receive from any Holder
or Holders of not less than twenty percent (20%) of the Registrable Securities then outstanding a written request or requests that the Company effect a registration on Form S-3 or similar forms which may be promulgated in the future 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 15 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 1.12: (1) if Form S-3 (or such similar form(s) which may be promulgated in the future) is not available for such offering by the Holders; (2) 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 $2,000,000; (3) 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 stockholders 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 1.12; provided, however, that the Company shall not utilize this right more than once in any twelve month period; or (4) 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 unless the Company is already subject in such
jurisdiction and except as may be required by law. 
 (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. All expenses incurred in connection with a registration requested
pursuant to Section 1.12, including (without limitation) all registration, filing, qualification, printers’ and accounting fees and the reasonable fees and disbursements of counsel for the selling Holder or Holders and counsel for the
Company, but excluding any underwriters’ discounts or commissions associated with Registrable Securities, shall be borne by the Company. Registrations effected pursuant to this Section 1.12 shall not be counted as demands for registration
or registrations effected pursuant to Sections 1.2 or 1.3, respectively. 
 (d) If the Holders initiating the registration
request pursuant to this Section 1.12 (“S-3 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 1.12 and the Company shall include such information in the written notice referred to in subsection 1.12(a). The underwriter will be selected by a majority in interest of the S-3 Initiating Holders (based on
Registrable Securities requested to be included) and shall be reasonably acceptable to the Company. In such event, the right of any Holder to 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 S-3 Initiating Holders based on Registrable Securities requested
to be included and such 
  

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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 1.4(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 1.12, if the underwriter advises the S-3 Initiating Holders in writing that
marketing factors require a limitation of the number of shares to be underwritten, then the S-3 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 S-3 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. 

1.13 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 who (i) is a partner, retired partner, affiliated fund of such Holder when such Holder is a partnership; (ii) is a member,
retired member or affiliated fund of the Holder when the Holder is a limited liability company; (iii) is a family member of such Holder or trust for the benefit of such Holder and/or such Holder’s family members; (iv) is an affiliated
entity of such Holder having substantially the same equity holders as such Holder; (v) to a trustee or a successor trust or successor trustee when such Holder is a trust under an employee benefit plan; or (vi) acquires at least 5% of the
Holder’s Registrable Securities, provided the Company is, within a reasonable time 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 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 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 or limited liability company who are partners, retired partners, members or
retired members of such partnership or limited liability company (including spouses and ancestors, lineal descendants and siblings of such partners, members 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. 
 1.14 Limitations on Subsequent Registration
Rights. From and after the date of this Agreement, the Company shall not, without the prior written consent of the Holders of a majority of the Registrable Securities then outstanding, enter into any agreement with any holder or prospective
holder of any securities of the Company that would grant registration rights senior or pari-passu with the registration rights granted to the holders of Registrable Securities or which would allow such holder or prospective holder (a) to
include such securities in any registration filed under Section 1.2 or Section 1.12 thereof, 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 which could result in such registration statement being declared
effective prior to the earlier of either of the dates set forth in subsection 1.2(a) or within one hundred twenty (120) days of the effective date of any registration effected pursuant to Section 1.2. 

 

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 1.15 “Market Stand-Off” Agreement. Each Holder hereby agrees that,
during the period of duration up to, but not exceeding, 180 days (subject to such extension or extensions as may be required by the underwriters in order to publish research reports while complying with the Rule 2711 of the National Association of
Securities Dealers, Inc.) specified by the Company and an underwriter of Common Stock or other securities of the Company, following the date of the final prospectus distributed in connection with a registration statement of the Company filed under
the Act, it shall not, to the extent requested by the Company and such underwriter, directly or indirectly sell, offer to sell, contract to sell (including, without limitation, any short sale), grant any option to purchase or otherwise transfer or
dispose of (other than to transferees who agree to be similarly bound) any securities of the Company held by it at any time during such period except Common Stock included in such registration; provided, however, that: 

(a) such agreement shall be applicable only to the first such registration statement of the Company which covers Common Stock (or other
securities) to be sold on its behalf to the public in an underwritten offering; 
 (b) all officers and directors of the
Company, all one-percent (1%) securityholders, and all other persons with registration rights (whether or not pursuant to this Agreement) enter into similar agreements; and 

(c) any release from the lock-up restrictions set forth in such market stand-off agreement, at any time during the market stand-off
period, shall be granted pro rata among the Holders of Registrable Securities and on a pari passu basis with any such release granted to any other person subject to such lock-up restrictions, so that each Holder of Registrable Securities may sell,
transfer or otherwise dispose of an equal percentage of his, her or its shares originally subject to lock-up restrictions. 

In order to enforce the foregoing covenant, the Company may impose stop-transfer instructions with respect to the Registrable Securities
of each Holder (and the shares or securities of every other person subject to the foregoing restriction) until the end of such period, and each Holder agrees that, if so requested, such Holder will execute an agreement in the form provided by the
underwriter containing terms which are essentially consistent with the provisions of this Section 1.15. 
 Notwithstanding
the foregoing, the obligations described in this Section 1.15 shall not apply to a registration relating solely to employee benefit plans on Form S-1 or Form S-8 or similar forms which may be promulgated in the future, or a registration
relating solely to an SEC Rule 145 transaction on Form S-4 or similar forms which may be promulgated in the future. 
 1.16
Termination of Registration Rights. No Holder shall be entitled to exercise any right provided for in this Section 1 after the earlier of (i) five (5) years following the consummation of a Qualified IPO, or
(ii) with respect to any Holder, at such time after the Qualified IPO as Rule 144 or another similar exemption under the Securities Act is available for the sale of all of such Holder’s shares immediately without registration.

 2. Covenants of the Company. 

2.1 Delivery of Financial Statements. The Company shall deliver to IFC so long as it remains a stockholder of the Company
and to each holder of at least two percent (2%) of the Company’s outstanding Registrable Securities (or the Common Stock issued upon conversion thereof) (each a “Major Holder”): 

(a) as soon as practicable, but in any event within one hundred eighty (180) days after the end of each fiscal year of the Company
(or such longer period of time requested by the 
  

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Company’s auditors), an income statement for such fiscal year, a balance sheet of the Company and statement of stockholder’s equity as of the end of such year, and a statement of cash
flows for such year, such year-end financial reports to be in reasonable detail, prepared in accordance with United States generally accepted accounting principles (“GAAP”), and audited and certified by an independent public
accounting firm of nationally recognized standing selected by the Company, provided, however, that Photon may use also China generally accepted accounting principles in compliance with PRC tax laws; 

(b) within forty-five (45) days of the end of each quarter, an unaudited income statement and a statement of cash flows and balance
sheet for and as of the end of such quarter, in reasonable detail and comparing results to the annual plan and to the prior year comparable period; 

(c) as soon as practicable, but in any event no later than 30 days prior to the end of each fiscal year, a budget and financial plan for
the next fiscal year for the Company prepared on a monthly basis, including balance sheets and sources and applications of funds statements for such months, provided, however, that such budget and financial plan may be in draft form pending approval
by the Board of Directors; and, as soon as prepared, any revised or updated budgets and financial plans for such fiscal year prepared by the Company, including the final annual budget and financial plan approved by the Board of Directors;

 (d) with respect to the financial statements called for in subsection (b) 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; 

(e) such other information relating to the financial condition, business, prospects or corporate affairs of the Company as any Major
Holder or any assignee of any Major Holder may from time to time reasonably request, provided, however, that the Company shall not be obligated under this subsection (e) or any other subsection of this Section 2.1 to provide information
which it deems in good faith to be a trade secret or similar confidential information. 
 2.2 Inspection.
(a) The Company shall permit each Major Holder (other than corporate or strategic investors, which shall not be deemed to include IFC), at such Major Holder’s expense and upon reasonable advance notice, 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 Major Holder; provided
however, that the Company shall not be obligated pursuant to this Section 2.2 to provide access to any information which it reasonably considers to be a trade secret or similar confidential information. 

(b) Upon IFC’s request, and with reasonable prior notice to the Company, the Company shall permit representatives of IFC and the
CAO, during normal office hours, to: (i) visit any of the sites and premises where the business of the Company or any Subsidiary is conducted; (ii) inspect any of the Company’s and each of its Subsidiary’s sites, facilities,
plants and equipment; (iii) have access to the Company’s and each of its Subsidiary’s books of account and all records; and (iv) have access to those employees, agents, contractors and subcontractors of the Company and its
Subsidiaries who have or may have knowledge of matters with respect to which IFC seeks information; provided that (i) no such reasonable prior notice shall be necessary if special circumstances so require and in the case of the CAO, such access
shall be for the purpose of carrying out the CAO’s Role; provided however, that the Company shall not be obligated pursuant to this Section 2.2 to provide access to any information which it reasonably considers to be a trade secret
or similar confidential information. 
  

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 For purposes of this Section 2.2 (b), the “CAO” means the Compliance Advisor Ombudsman, the
independent accountability mechanism for IFC that impartially responds to environmental and social concerns of affected communities and aims to enhance outcomes and “CAO’s Role” is (i) to respond to complaints by persons who have
been or are likely to be directly affected by the social or environmental impacts of IFC projects; and (ii) to oversee audits of IFC’s social and environmental performance, particularly in relation to sensitive projects, and to ensure
compliance with IFC’s social and environmental policies, guidelines, procedures and systems. 
 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 Holder a right of first offer (the “Company 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 Holder includes any general partners, members and affiliates of a Major Holder. A Major Holder who chooses to exercise the right of first offer may
designate as purchasers under such right to itself or its partners, members 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 Holder in accordance with the following provisions: 

(a) The Company shall deliver a notice pursuant to Section 3.5 (“Notice”) to the Major Holders 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 twenty (20) business days after delivery of the Notice, the Major Holder 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 Holder bears to the total number of shares of Common Stock then outstanding (assuming full conversion and exercise of all convertible or exercisable securities). The Company shall promptly, in writing, inform each Major
Holder that purchases all the shares available to it (each, a “Fully-Exercising Investor”) of any other Major Holder’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 Holders were entitled to subscribe but which were not subscribed for by the Major Holders 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 held by all Fully-Exercising Investors.

 (c) If all Shares referred to in the Notice are not elected to be obtained as provided in subsection 2.3(b) hereof, the
Company may, during the sixty (60) day period following the expiration of the period provided in subsection 2.3(b) hereof, offer the remaining unsubscribed portion of the 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 ninety (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 Holders in accordance herewith. 

 

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 (d) The closing of any purchase of Shares by the Major Holder pursuant to this
Section 2.3 shall be held at the time and place of and on the same terms and conditions as the new issuance or sale of Shares, or at such other time and place as the parties to the transaction may agree, provided that the major Holder shall not
be required to exercise its right of first refusal under this Section 2.3 in the event the new issuance or sale is not consummated. 

(e) The right of first offer in this Section 2.3 shall not be applicable (i) to the issuance or sale of Common Stock (or
options therefor) to employees, consultants and directors, pursuant to stock option plans, restricted stock plans or agreements approved by the Board of Directors for the primary purpose of soliciting or retaining their services, or (ii) to or
after consummation of a bona fide, firmly underwritten public offering of shares of Common Stock pursuant to which all outstanding shares of Preferred Stock are converted to Common Stock, or (iii) to the issuance of securities pursuant to the
conversion or exercise of convertible or exercisable securities issued and outstanding as of the date of this Agreement, or (iv) to the issuance of securities in connection with a bona fide business acquisition of or by the Company, whether by
merger, consolidation, sale of assets, sale or exchange of stock or otherwise and including without limitation all securities issued or issuable in connection with the Photon Acquisition, the terms of which are approved by the Board of Directors, or
(v) to the issuance of securities to financial institutions or lessors in connection with commercial credit arrangements, equipment financings, or similar transactions, or (vi) to the issuance of securities that, with unanimous approval of
the Board of Directors of the Company, are not offered to any existing stockholder of the Company, or (ix) to the issuance or sale of the Series X Preferred Stock issued pursuant to the Purchase Agreement or (x) to the issuance of
securities to an entity as a component of any business relationship with such entity for the purpose of (a) joint venture, technology licensing or development activities, (b) distribution, supply or manufacture of the Company’s
products or services or (c) any other arrangements involving corporate partners that are primarily for purposes other than raising capital, the terms of which business relationship are approved by the Board of Directors. 

2.4 Spin-out Preemptive Rights. If at any time (i) the Company creates a direct or indirect subsidiary that is not a
wholly owned subsidiary (either directly or indirectly) (other than de minimis ownership to the extent required by applicable laws outside of the United States), (ii) any direct or indirect subsidiary of the Company sells or transfers any
shares of capital stock to any entity other than the Company or a direct or indirect wholly owned subsidiary of the Company (other than de minimis ownership to the extent required by applicable laws outside of the United States), (iii) any
direct or indirect subsidiary of the Company merges, consolidates or takes any other action that results in such subsidiary not remaining a wholly owned subsidiary of the Company (either directly or indirectly) (other than de minimis ownership to
the extent required by applicable laws outside of the United States), or (iv) any direct or indirect subsidiary of the Company sells all or substantially all of its assets to any person or entity other than the Company or a direct or indirect
wholly owned subsidiary of the Company, then in each case the Company shall cause such subsidiary (or the surviving or successor entity or purchaser of assets) (each, a “Spin-out Entity”) to provide each Major Holder a right
of first offer (the “Spin-out Preemptive Rights”) to purchase up to its pro rata share with respect to any Common Stock, Preferred Stock or any other security of the Spin-out Entity, including but not limited to, rights,
options, or warrants to purchase such Common Stock, Preferred Stock or other security (“Spin-out Shares”) offered by the Spin-out Entity for financing purposes. The manner and procedure of such Spin-out Preemptive Rights
shall be substantially similar to those described in Section 2.3 with respect to the Company Right of First Offer. The Company shall use its best efforts to cause, or exert such influence it may have to cause, the organizational documents of
the Spin-out Entity (i) to provide for voting rights and preferences equivalent to the voting rights and preferences of the Series X Preferred Stock and (ii) to contain provisions similar to Section 2.3 and 2.4 hereof. 

 

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 The foregoing Spin-out Preemptive Rights shall not apply to any issuance of equity
securities of any existing subsidiary of Photon, including without limitation Photon Broadband or Pan Access Communications. 

2.5 Common Stock Issuances. Unless the Board of Directors so authorizes, the Company hereby covenants that all
stock, stock equivalents and options issued after the date hereof to employees, directors, consultants and other service providers of the Company shall vest in accordance with the following vesting schedule: twenty-five percent (25%) of the
shares to vest at the expiration of one (1) year from the date of the grant if the grantee is then in the service of the Company and the remaining seventy-five percent (75%) of the shares to vest on the last day of each succeeding month in
a series of thirty-six (36) successive monthly installments upon the completion by the employee, director, consultant or service provider of each month of service over the thirty-six (36) month period measured from the date on which the
first twenty-five percent (25%) of the shares vested. The Company shall provide that any shares of its Common Stock sold to employees or consultants pursuant to their service to the Company be non-transferable prior to vesting and be subject to
a right of first refusal in favor of the Company until the Company’s initial public offering, in each case subject to customary exclusions for estate planning and family transfers. In addition, such shares shall be subject to a customary
“lock up” period in the event of stock offerings to the public by the Company. 
 2.6 Confidentiality
Agreements. The Company hereby covenants that it shall require each officer, employee and consultant of the Company to enter into and execute and thereafter comply with a confidentiality and invention assignment agreement. 

2.7. Photon PRC Board Observer. At such time as the Company (through its subsidiaries) has acquired ownership in all of the
outstanding capital shares of Photon, the Company shall invite a representative designated by a majority in interest of the “PRC Incorporated Shareholders” (the “Photon PRC Board Observer”), who shall initially be Guang
Shu, to attend all meetings of its Board of Directors in a nonvoting capacity and, in this respect, shall give such representative copies of all notices, minutes, consents and other material that it provides to its directors; provided, however, that
the Company reserves the right to exclude such representative from access to any material or meeting or portion thereof if the Company reasonably believes that such exclusion is necessary to preserve attorney-client, work product or similar
privilege, to protect highly confidential proprietary information or for other similar reasons. Any substitution or replacement of the Photon PRC Board Observer is subject to approval by the Company and, in its sole discretion, the Company may
decline to allow a replacement for Mr. Shu or any succeeding Photon PRC Board Observer should such person’s service as the Photon PRC Board Observer terminate for any reason. All expenses of the Photon PRC Board Observer shall be the
responsibility of the PRC Incorporated Shareholders. 
 For purposes of this Section 2.7, the “PRC Incorporated
Shareholders” shall mean the following former shareholders of Photon: Shen Zhen Changyuan Winner Investment Co., Ltd., Shen Zhen Changyuan New Material Co., Ltd., Guangzhou ShengKai Investment Development Co., Ltd., Shanghai Nanometer Venture
Investment Co., Ltd., Beijing Junji Investment Management Co., Ltd., Chengdu Deep Blue Telecommunication Technology Co., Ltd., and Kunming Ke Pin Electronics Co., Ltd. plus the following shareholder of Photon: China Merchants (Shenzhen) Industry
Ltd. 
 2.8 Covenant Regarding Sanctionable Practices. 

(a) The Company shall not commit or engage in (and shall not authorize or permit any subsidiary, affiliate or any other person acting on
its behalf to commit or engage in) with respect to itself or its operations or any of its investments, or any transaction contemplated by this Agreement, the Purchase Agreement, the Voting Agreement or the Co-Sale Agreement, any Sanctionable

  

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Practice. The Company further covenants that should IFC notify the Company of its concerns that there has been a violation of the provisions of this Section, the Company shall cooperate in good
faith with IFC and its representatives in determining whether such a violation has occurred, and shall respond promptly and in reasonable detail to any notice from IFC, and shall furnish documentary support for such response upon IFC’s request.

 (b) For purposes of this Section 2.8: “Sanctionable Practice” means any Corrupt Practice, Fraudulent
Practice, Coercive Practice, Collusive Practice, or Obstructive Practice, as those terms are defined in, and interpreted in accordance with, the Anti-Corruption Guidelines attached to this Agreement as Exhibit H. 

2.9 Covenant Regarding AML/CFT Requirements. The Company shall institute, maintain and comply with appropriate
internal procedures and controls in compliance with applicable national laws, for the purpose of preventing the Company and its subsidiaries from being used for money laundering, the financing of terrorist activity, fraud, or other corrupt or
illegal purposes or practices; and ensure that the Company and its subsidiaries will not enter into any transaction with, or for the benefit of, any individuals or institutions named on the lists of sanctioned persons promulgated by the United
Nations Security Council or its committees pursuant to resolutions in connection with money laundering or anti-terrorism matters. 

2.10 Covenants Regarding Environmental Matters. 

(a) Through its employees, agents, contractors and subcontractors, the Company shall design, construct, operate, maintain and monitor all
of its sites, plants, equipment and facilities: (i) in accordance with the Environmental and Social Policies and the Environmental, Health and Safety Guidelines; (ii) in compliance with the ERS; and (iii) in compliance with applicable
environmental, occupational health and safety requirements, and any child labor and forced labor laws, rules and regulations (including any international treaty obligations, if any) of the government of the United States of America and/or the
Peoples Republic of China and the local authorities of each relevant jurisdiction. 
 (b) The Company shall periodically review
the form of the Annual Monitoring Report and advise IFC as to whether modification of the form is necessary based on any changes in the business or operations of the Company or any of its subsidiaries, and revise the form as agreed with IFC.

 (c) The Company shall not amend the ERS without IFC’s consent, unless the amendment is consistent the Environmental and
Social Policies, the Environmental, Health and Safety Guidelines, and other provisions of this Agreement. 
 (d) Within ninety
(90) days after the end of each fiscal year, the Company shall deliver to IFC an Annual Monitoring Report, substantially in the form of Exhibit C attached hereto, confirming compliance with the Environmental, Health and Safety
Guidelines, the Environmental and Social Policies, the Policy Statement and the applicable national or local requirements of the United States of America and/or the Peoples Republic of China, as applicable, or, as the case may be, detailing any
non-compliance, and setting out the action being taken to ensure compliance. 
 (e) As soon as possible but no later than three
(3) days after its occurrence, the Company shall notify the Company’s Board of Directors, including IFC, and applicable authorities of any incident or accident at any of the sites or facilities operated by the Company or any of its
subsidiaries 
  

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or areas otherwise within the Company’s or any of its subsidiaries’ management or control, which has or may reasonably be expected to have a material adverse effect on the environment,
health or safety, including, without limitation, explosions, spills or workplace accidents which result in death, serious or multiple injury or major pollution, specifying, in each case, the nature of the incident or accident, the on-site and
off-site impacts arising or likely to arise therefrom and the measures the Company and/or the relevant subsidiary is taking or plans to take to address those impacts; and keep the Company’s Board of Directors and IFC informed of the on-going
implementation of those measures; 
 (f) Neither the Company nor any of its subsidiaries shall engage in any of the activities
described in the Exclusion List. 
 For purposes of this Section 2.10: (i) “Annual Monitoring Report” means
the report to be submitted to IFC pursuant to Section 2.10(e) of this Agreement, substantially in the form of Exhibit C attached hereto; (ii) “Corrective Action Plan” means the Corrective Action Plan, dated April 4,
2006 and attached hereto as Exhibit D attached hereto, as amended or supplemented from time to time as appropriate in a manner consistent with the Environmental and Social Policies and the Environmental, Health and Safety Guidelines, and
other provisions of this Agreement; (iii) “ERS” means the Environmental Review Summary dated April 4, 2006, prepared by IFC and approved by the Company, as in a manner consistent with the Environmental and Social Policies, the
Environmental, Health and Safety Guidelines, and other provisions of this Agreement; (iv) “Environmental and Social Policies” means IFC’s Operational Policy 4.01 Environmental Assessment (October 1998), IFC Policy Statement on
Child and Forced Labor (March 1998) and Public Disclosure (September 1998) copies of which have been delivered to, and receipt of which has been acknowledged by, the Company by letter dated April 4, 2006; (v) “Environmental, Health
and Safety Guidelines” means IFC’s Environmental Health and Safety Guidelines for Electronics Manufacturing (July 1998), Occupational Health and Safety Guidelines (June 2003), Hazardous Materials Management (December 2001) and General
Environmental Guidelines (July 1998) copies of which have been delivered to, and receipt of which has been acknowledged by, the Company by letter dated April 4, 2006; (vi) “Exclusion List” means the activities set forth in
Exhibit E attached hereto; and (vii) “Policy Statement” means the Corporate Environmental and Social Policy Statement to be adopted by the Company, substantially in the form of Exhibit F attached hereto; 

2.11 Covenant Regarding Shell Banking. The Company shall, and shall ensure that each of its subsidiaries, at all
times institute, maintain and comply with internal procedures and controls, so as to not maintain accounts with or affect transactions through Shell Banks or financial institutions that permit correspondent banking relationships with Shell Banks.

 For purposes of this Section 2.11, “Shell Banks” means any bank or other financial institution which
(i) is incorporated or conducts business in a jurisdiction in which it has no operating branch or other physical presence and (ii) is not an affiliate of a regulated bank, financial institution or financial group. 

2.12 Insurance Requirements. Unless IFC otherwise agrees, the Company shall: (i) insure and keep insured on
terms and conditions acceptable to IFC, with a reputable insurer or insurers, all its assets and business which can be insured, against insurable losses, on a reinstatement basis utilizing current full replacement values, including, without
limitation, insurance covers listed in Exhibit G attached hereto and any other insurance required by law; and the policies shall be in the English language; (ii) punctually pay any premium, commission and any other amounts necessary for
effecting and maintaining in force each insurance policy; (iii) not do or omit to do, or permit to be done or not done, anything which might prejudice the Company’s right to claim or recover under any insurance policy; (iv)promptly notify
the relevant insurer of any claim by the Company under any policy written by that insurer and diligently pursue that claim. 
  

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 2.13 Termination of Covenants 

(a) The covenants set forth in this Section 2 shall terminate and be of no further force or effect (i) immediately prior to
the consummation of a Qualified IPO or (ii) the consummation of an actual liquidation, dissolution or winding up of the Company. 

(b) The covenants set forth in Sections 2.1 and 2.2 shall terminate and be of no further force or effect with respect to all
Major Holders other than IFC 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 paragraph (a) above.

 (c) Notwithstanding anything contained herein to the contrary, the covenants set forth in Sections 2.9, 2.10, 2.11 and 2.12
shall remain in full force and effect so long as IFC remains a stockholder of the Company. 
 3.
Miscellaneous. 
 3.1 Successors and Assigns. Except as otherwise provided herein, the terms
and conditions of this Agreement shall inure to the benefit of and be binding upon the respective successors and assigns of the parties (including transferees of any securities held by the Investors and of any Preferred Stock, or any Common Stock
issued upon conversion thereof). 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. 
 3.2 Governing Law. This Agreement
and all acts and transactions pursuant hereto shall be governed, construed and interpreted in accordance with the laws of the State of Delaware, without giving effect to principles of conflicts of laws. 

3.3 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. 
 3.4 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. 

3.5 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 a recognized overnight courier or sent by facsimile, receipt confirmed, or three (3) business days 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 as set forth below or on Exhibit A hereto or as subsequently modified by written notice. 

3.6 Expenses. If any action at law or in equity is necessary to enforce or interpret the terms of this Agreement, the
prevailing party shall be entitled to reasonable attorneys’ fees, costs and necessary disbursements in addition to any other relief to which such party may be entitled. 

 

 -19- 

 3.7 Amendments and Waivers. Any term of this Agreement may be amended and the
observance of any term of this Agreement may be waived (either generally or in a particular instance and either retroactively or prospectively), only with the written consent of the Company, IFC and the holders of at least a majority of the
Registrable Securities then outstanding. Any amendment or waiver effected in accordance with this paragraph shall be binding upon each holder of any Registrable Securities then outstanding, each future holder of all such Registrable Securities, and
the Company. Notwithstanding the foregoing, no amendment or supplement to this Agreement may be made without the consent of each party affected by such amendment or supplement if such amendment or supplement would, by its terms, (i) impose any
new obligation on such party under this Agreement, (ii) increase any existing obligations of such party under this Agreement or (iii) diminish or waive the rights of such party under this Agreement without similarly diminishing or waiving
the rights of all similarly situated parties. 
 3.8 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 (x) such
provision shall be excluded from this Agreement, (y) the balance of the Agreement shall be interpreted as if such provision were so excluded and (z) the balance of the Agreement shall be enforceable in accordance with its terms.

 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
Addition of Investors. Notwithstanding anything to the contrary contained herein, if the Company shall issue additional securities (i) pursuant to the Purchase Agreement, (ii) in connection with the Photon Acquisition or
(iii) in connection with any acquisition of another entity by means of any transaction or series of related transactions (including, without limitation by merger, or asset or stock purchase) approved by the Board of Directors of the Company,
any recipient of such securities may become a party to this Agreement as an “Investor” by (x) executing and delivering an additional counterpart signature page to this Agreement or (y) otherwise agreeing in a writing to be bound
by this Agreement. In such event, such recipient shall be deemed a “Holder,” and the shares of Common Stock issuable or issued upon conversion or exercise of such securities shall be deemed to be “Registrable Securities,” for all
purposes of this Agreement. 
 3.11 Entire Agreement. This Agreement and the documents referred to herein
constitute the entire agreement among the parties hereto pertaining to the subject matter hereof and any and all other written or oral agreement relating to the subject matter hereof existing among the parties hereto are expressly superceded and
replaced by this Agreement. For avoidance of doubt, this Agreement terminates and supersedes in all respects the Prior Agreement. 

3.12 Accession to Agreements. By signing below, the parties hereto acknowledge that any creditors of the Company who
received shares of Series 1 Preferred Stock in connection with the Plan of Reorganization under Chapter 11 of the United States Bankruptcy Code shall have the rights and obligations under this Agreement. 

3.13 Termination, Amendment and Restatement of Prior Agreement and Waiver by Existing Investors of Prior Investor Rights.
The Existing Investors hereby terminate the Prior Agreement and amend and restate the Prior Agreement as set forth herein. Except as set forth in the following sentence, the Existing Investors hereby waive and forever release any claims any such
Existing Investor has or may have had against any party with respect to their rights under the Prior Agreement, including, but not limited to, the right of first offer set forth in Section 2.3 therein, including any right of

  

 -20- 

 
first offer with respect to the issuance of Series X Preferred Stock. IFC does not waive or release any claims IFC has or may have against any party with respect to IFC’s rights under
Sections 2.1, 2.2, 2.8, 2.9, 210, 2.11 or 2.12 of the Prior Agreement for a period of one (1) year following the date of this Agreement. 

3.14 IFC Immunities. 

(a) The parties hereto hereby acknowledge that IFC shall be entitled under applicable law, including the provisions of the International
Organizations Immunities Act, to immunity from a trial by jury in any action, suit or proceeding arising out of or relating to this Agreement or the transactions contemplated hereby brought against IFC in any court of the United States of America.
The parties hereto hereby waive any and all rights to demand a trial by jury in any action, suit or proceeding arising out of or relating to this Agreement or the transactions contemplated by this Agreement, brought against IFC in any forum in which
IFC is not entitled to immunity from a trial by jury. The foregoing shall not preclude any other legal or equitable remedies available to a party under applicable law. 

(b) The parties further acknowledge and agree that: (i) no provision of this Agreement in any way constitutes or implies a waiver,
termination or modification by IFC of any privilege, immunity or exemption of IFC granted in the Articles of Agreement establishing IFC, international conventions or applicable law, including, without limitation, the immunity of its property and
assets from seizure, attachment or execution before delivery of final judgment against it; and (ii) the archives of IFC remain inviolable. 

[Signature Page Follows] 
  

 -21- 

 The parties have executed this 2008 Investors’ Rights Agreement as of the date first
above written. 
  

			
	COMPANY:
	
	NEOPHOTONICS CORPORATION
		
	By:	 	 /s/ Timothy S. Jenks

		 	Timothy S. Jenks,
		 	President and Chief Executive Officer

  

			
	Address:	 	2911 Zanker Road
		 	San Jose, CA 95134-2125
		 	U.S.A.

  

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	INTERNATIONAL FINANCE CORPORATION
		
	By:	 	 /s/ Andrew Bartley

			
	Print Name:	 	 Andrew Bartley

			
	Title:	 	 Acting Director

			
	
	Effective as of May 13, 2008
		
	Address:	 	  

		 	  

 
  

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	 OAK IX AFFILIATES FUND, LIMITED

PARTNERSHIP

		
	By:	 	 /s/ Bandel Carano

		 	Bandel Carano
		 	Managing Member of Oak Associates IX, LLC
		 	 The General Partner of Oak IX Affiliates Fund,

Limited Partnership

	
	 OAK INVESTMENT PARTNERS IX, LIMITED

PARTNERSHIP

		
	By:	 	 /s/ Bandel Carano

		 	Bandel Carano
		 	Managing Member of Oak Associates IX, LLC
		 	 The General Partner of Oak Investment Partners IX,

Limited Partnership

	
	 OAK IX AFFILIATES FUND-A, LIMITED

PARTNERSHIP

		
	By:	 	 /s/ Bandel Carano

		 	Bandel Carano
		 	Managing Member of Oak Associates IX, LLC
		 	 The General Partner of Oak IX Affiliates Fund-A,

Limited Partnership

	
	 OAK INVESTMENT PARTNERS X, LIMITED

PARTNERSHIP

		
	By:	 	 /s/ Bandel Carano

		 	Bandel Carano
		 	Managing Member of Oak Associates X, LLC
		 	 The General Partner of Oak Investment Partners X,

Limited Partnership

  

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	 OAK X AFFILIATES FUND, LIMITED

PARTNERSHIP

		
	By:	 	 /s/ Bandel Carano

		 	Bandel Carano
		 	Managing Member of Oak Associates X, LLC
		 	 The General Partner of Oak X Affiliates Fund,

Limited Partnership

	
	 OAK INVESTMENT PARTNERS XI,

LIMITED PARTNERSHIP

		
	By:	 	 /s/ Bandel Carano

		 	Bandel Carano
		 	Managing Member of Oak Associates XI, LLC
		 	 The General Partner of Oak Investment

Partners XI, Limited Partnership

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	 DRAPER FISHER JURVETSON FUND

VII, L.P.

		
	By:	 	 /s/ Stephen T. Jurvetson

		 	Stephen T. Jurvetson, Managing Director
	
	 DRAPER FISHER JURVETSON PARTNERS

VII, LLC

		
	By:	 	 /s/ Stephen T. Jurvetson

		 	Stephen T. Jurvetson, Managing Member
	
	DRAPER ASSOCIATES, L.P.
		
	By:	 	 /s/ Timothy C. Draper

		 	Timothy C. Draper, General Partner
	
	DRAPER FISHER PARTNERS, LLC
		
	By:	 	 /s/ Timothy C. Draper

		 	Timothy C. Draper, Managing Member
	
	DRAPER GC PARTNERS, LLC
		
	By:	 	 /s/ Timothy C. Draper

		 	Timothy C. Draper, Managing Member

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
		
	By:	 	 /s/ Tim Draper

		 	Tim Draper

			
		
	Address:	 	  

		
		 	  

			
		
	By:	 	 /s/ Warren Packard

		 	Warren Packard

			
		
	Address:	 	  

		 	  

			
	
	THE TIMOTHY C. DRAPER LIVING TRUST
		
	By:	 	 /s/ Timothy C. Draper

		 	Timothy C. Draper, Trustee

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	 THE FONSTAD LIVING TRUST

dated March 26, 1999

		
	By:	 	 /s/ Jennifer Fonstad

		 	Jennifer Fonstad, Trustee

			
		
	Address:	 	  

		 	  

			
		
	By:	 	 /s/ Mark Greenstein

		 	Mark Greenstein

			
		
	Address:	 	  

		 	  

			
	
	 THE STEVE AND KARLA JURVETSON

LIVING TRUST dated August 27, 2002

		
	By:	 	 /s/ Steve Jurvetson

		 	Steve Jurvetson, Trustee

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	 THE BOARD OF TRUSTEES OF THE LELAND

STANFORD JUNIOR UNIVERSITY (SEVF2)

			
		
	By:	 	 /s/ Josh Richter

		 	Josh Richter Director
		 	Separate Investments

			
		
	Address:	 	  

		
		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	 ATA Ventures I, L.P., by its General Partner, ATA Management I, LLC

	 ATA Affiliates Fund I, L.P., by its General Partner, ATA Management I, LLC

	 ATA Investment Fund I, L.P., by its General Partner, ATA Management I, LLC

	
	 /s/ T. Peter Thomas

	T. Peter Thomas, Managing Director

			
		
	Address:	 	  

		 	  

			
	
	ALPS INFORMATION TECHNOLOGY FUND LP
		
	By:	 	ALPS Investment Research, LLC
	Its:	 	General Partner
		
	By:	 	  

		 	      Hideaki Sato
	Its:	 	  

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	 TEMPOVEST FUND II, L.P.

ACTING BY ITS GENERAL PARTNER

	NT GENERAL PARTNER (GUERNSEY) LIMITED
		
	Signature:	 	 /s/ Gary Manger

		
	Print Name:	 	 Gary Manger, Director

		
	Address:	 	  

		 	  

	
	TECHNOLOGY GATEWAY PARTNERSHIP II
		
	By:	 	 /s/ Thomas O Gephart

	Print Name:	 	 Thomas O Gephart

	Its:	 	 Managing Partner

		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	 INSTITUTIONAL VENTURE PARTNERS

VII, L.P.,

	
	By its General Partner - Institutional Venture
	Management VII, L.P.
		
	By:	 	 /s/ T. Peter Thomas

		 	T. Peter Thomas, General Partner
	
	 INSTITUTIONAL VENTURE MANAGEMENT

VII, L.P.

		
	By:	 	 /s/ T. Peter Thomas

		 	T. Peter Thomas, General Partner

			
		
	 Address:
	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	ROCKPORT CAPITAL PARTNERS, L.P.
	
	By: RockPort Capital I, LLC, its General Partner
		
	By:	 	 /s/ Stoddard Wilson

		 	Stoddard Wilson
		 	Managing Member
	
	RP CO-INVESTMENT FUND I, L.P.
	
	By: RP Co-Investment Fund I GP, LLC
		
	By:	 	 /s/ Stoddard Wilson

		 	Stoddard Wilson
		 	Managing Member

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	HARRIS & HARRIS GROUP, INC.
		
	By:	 	 /s/ Douglas W. Jamison

			
	Print Name:	 	Douglas W. Jamison

			
		
	Title:	 	President

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	LINKMORE LIMITED
		
	By:	 	 /s/ Morris Lu

	Name:	 	 Morris Lu

	Its:	 	 Managing Director

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
		
	By:	 	 /s/ Hal Stillman

		 	Hal Stillman

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
		
	By:	 	 /s/ Helen Gordon Selser

		 	Helen Gordon Selser

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	SOPKIN FAMILY TRUST, ELLIOT AND CHERYL
		
	By:	 	 /s/ Elliot Sopkin

	Print Name:	 	 Elliot Sopkin

	Title:	 	  

	
	ELLIOT SOPKIN
		
	By:	 	 /s/ Elliot Sopkin

	Print Name:	 	 Elliot Sopkin

	Title:	 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
		
	By:	 	 /s/ Robert Douglas Moffat

		 	Robert Douglas Moffat

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
		
	By:	 	 /s/ John H. Sellers

		 	John Sellers

 

			
	Address:	 	  

		 	  

 

			
	HEWM/VLG INVESTMENTS LLC
		
	By:	 	 /s/ Mark
Royer

			
	Print Name:	 	 Mark
Royer

			
	Its:	 	 Fund Manager

 

			
	Address:	 	  

		 	  

 

			
		 	
	VLG INVESTMENTS 2006, LLC
		
	By:	 	Heller Erhman LLP, Manager
		
	By:	 	 /s/ Mark
Royer

			
	Print Name:	 	 Mark
Royer

			
	Its:	 	 Fund Manager

 

			
	Address:	 	  

		 	  

 

			
	VLG INVESTMENTS 2008, LLC
		
	By:	 	Heller Erhman LLP, Manager
		
	By:	 	 /s/ Mark
Royer

			
	Print Name:	 	 Mark
Royer

			
	Its:	 	 Fund Manager

 

			
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	THE SUKLE LIVING TRUST U/A/D JULY 17, 1986
		
	By:	 	 /s/ Karen Sukle

		 	Karen Sukle
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	SIGEFI, BURNETTE & VALLEE I, L.P.
	 By SBV Capital Management, LLC

its General Partner

		
	By:	 	 /s/ Jacques Vallee

		 	Dr. Jacques Vallee
		 	General Partner
	
	SIGEFI, BURNETTE & VALLEE IA, L.P.
	 By SBV Capital Management, LLC

its General Partner

		
	By:	 	 /s/ Jacques Vallee

		 	Dr. Jacques Vallee
		 	General Partner

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
		
	By:	 	 /s/ Kenneth Westrick

		 	Kenneth Westrick

			
		
	Address:	 	  

		
		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
		
	By:	 	 /s/ Kristen Westrick

		 	Kirsten Westrick

			
		
	Address:	 	  

		
		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	MASTERS CAPITAL NANOTECHNOLOGY FUND, LP
	
	 By: Masters Capital Nanotechnology, LLC,

its General Partner

	
	 By: Linkhorn Capital Advisors, Inc.,

its Co-Managing Member

		
	By:	 	 /s/ Mel P. Melsheimer

		 	Mel P. Melsheimer
		 	President

  

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	 TIMOTHY S. JENKS AND ATSUKO JENKS

DECLARATION OF TRUST DATED 7 JAN 1996

		
	By:	 	 /s/ Timothy S. Jenks

		 	Timothy S. Jenks

			
		
	Address:	 	  

		
		 	
 

			
	
	TIMOTHY S. JENKS
		
	By:	 	 /s/ Timothy S. Jenks

		 	Timothy S. Jenks

			
		
	Address:	 	  

		
		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
		
	By:	 	 /s/ Sheldon Sobel

		 	Sheldon Sobel

			
		
	Address:	 	  

		
		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	PETER S. DARDI AND BRIDGETTE A. BARRY
		
	By:	 	 /s/ Peter S. Dardi / /s/
Bridgette A. Barry

			
	Print Name:	 	 Peter S. Dardi / Bridgette A.
Barry

			
	Its:	 	 self

			
		
	Address:	 	  

		
		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	JJNMK LIMITED PARTNERSHP
		
	By:	 	 /s/  J.J.
Kleinsmith

			
	Print Name:	 	J.J. Kleinsmith

			
	Its:	 	General Partner

			
		
	Address:	 	  

	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	WELLWAY INTERNATIONAL LIMITED
		
	By:	 	 /s/ Robert Peng

			
	Print Name:	 	 Robert Peng

			
	Its:	 	 Director

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	NISON LIMITED
		
	By:	 	 /s/ Robert Peng

			
	Print Name:	 	 Robert Peng

			
	Its:	 	 Director

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	CREATIVE CHINA INVESTMENT LIMITED
		
	By:	 	 /s/ Robert Peng

			
	Print Name:	 	 Robert Peng

			
	Its:	 	 Director

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	BAY III, L.P.
		
	By:	 	 /s/ Neal Dempsey

			
	Print Name:	 	 Neal Dempsey

			
	Its:	 	 Manager

			
		
	Address:	 	  

		 	  

			
	
	BAY III ENTREPRENEURS FUND, L.P.
		
	By:	 	 /s/ Neal Dempsey

			
	Print Name:	 	 Neal Dempsey

			
	Its:	 	 Manager

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	NEEDHAM CAPITAL PARTNERS III, L.P.
	NEEDHAM CAPITAL PARTNERS IIIA, L.P.
	 NEEDHAM CAPITAL PARTNERS III

(BERMUDA), L.P.

	
	 /s/ Thomas P. Shanahan

	Thomas P. Shanahan, General Partner

			
		
	Address:	 	  

		 	
 

			
	
	
STATE STREET BANK AND TRUST 
COMPANY
 AS TRUSTEE FOR THE DUPONT
PENSION TRUST

		
	By:	 	 /s/ Dennis
Frasu

			
	Print Name:	 	 Dennis
Frasu

			
	Title:	 	 V.P.

			
	
	DCM PRIVATE EQUITY FUND II LLC
	
	By: DuPont Capital Management, its Manager
		
	By:	 	 /s/ Carmen J.
Gigliotti

			
	Print Name:	 	 Carmen J.
Gigliotti

			
	Title:	 	 Vice President

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	HARBINGER III VENTURE CAPITAL
		
	By:	 	 /s/ C.K. Chung

			
	Print Name:	 	 C.K. Chung

			
	Title:	 	 Director

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	BUDWORTH INVESTMENTS LTD.
		
	By:	 	 /s/ C.K. Chung

			
	Print Name:	 	 C.K. Chung

			
	Title:	 	 Director

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	CRESCENDO IV, LP
		
	By:	 	 /s/ R. David Spreng

	Print Name:	 	 R. David Spreng

	Title:	 	 Managing General Partner

	
	CRESCENDO IV AG & CO. BETEILINGUNGS KG
		
	By:	 	 /s/ R. David Spreng

	Print Name:	 	 R. David Spreng

	Title:	 	 Managing General Partner

	
	CRESCENDO IV ENTREPRENEUR FUND A, L.P.
		
	By:	 	 /s/ R. David Spreng

	Print Name:	 	 R. David Spreng

	Title:	 	 Managing General Partner

	
	CRESCENDO IV ENTREPRENEUR FUND, L.P.
		
	By:	 	 /s/ R. David Spreng

	Print Name:	 	 R. David Spreng

	Title:	 	 Managing General Partner

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	ALBERT L. JENKS AND BARBARA M. JENKS
		
	By:	 	 /s/ Albert L. Jenks  /s/ Barbara M.
Jenks

			
	Print Name:	 	 Albert L. Jenks Barbara M. Jenks

			
	Title:	 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	 MEL & SARA MELSHEIMER REVOCABLE

TRUST

		
	By:	 	 /s/ Mel P. Melsheimer

		 	Mel P. Melsheimer, Trustee

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
		
	By:	 	 /s/ Michael Collett

		 	Michael Collett

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	         InfoMission

		
	By:	 	 /s/ Schwuyun Cheng

			
	Print Name:	 	 Schwuyun Cheng

			
	Title:	 	 Owner

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	KEATING CAPTIAL, INC.
		
	By:	 	 /s/ Timothy J. Keating

		 	Timothy J. Keating, Chief Executive Officer

			
		
	Address:	 	  

		 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	Lazarus Investment Partners LLLP
		
	By:	 	 /s/ Justin Barus

			
	Print Name:	 	 Justin B. Barus

			
	Title:	 	 Managing Member

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

			
	INVESTORS:
	
	  

		
	By:	 	 /s/ David Tate

			
	Print Name:	 	 David Tate

			
	Title:	 	  

 

 SIGNATURE PAGE TO 2008 INVESTORS’ RIGHTS AGREEMENT 

 EXHIBIT A 

 

									
	 Name
	    	Amount of
Series 1
Preferred
Shares	    	Amount of
Series 2
Preferred
Shares	    	Amount of
Series 3
Preferred
Shares	    	Amount of
Series X
Preferred
Shares
	 International Finance Corporation

2121 Pennsylvania Avenue, N.W.

Washington, D.C. 20433

United States of America
  

Attention: Director, Global

Information and Communications

Technology Department

Facsimile: 202- 522-7464
  

With a copy (in the case of communications relating to payments) sent to the attention of Director, Department of Financial Operations, at: Facsimile:
202-522-7419
	    		    		    	10,000,000	    	50,000
					
	 Oak Investment Partners XI,

Limited Partnership

Attn:  Bandel Carano

           Craig Lang

c/o Oak Investment Partners

525 University Avenue, Suite 1300

Palo Alto, CA 94301
	    		    		    	2,321,675	    	
					
	 Oak X Affiliates Fund, Limited Partnership

Attn:  Bandel Carano

           Craig Lang

c/o Oak Investment Partners

525 University Avenue, Suite 1300

Palo Alto, CA 94301
	    		    		    		    	2,370
					
	 Oak Investment Partners X, Limited Partnership

Attn:  Bandel Carano

           Craig Lang

c/o Oak Investment Partners

525 University Avenue, Suite 1300

Palo Alto, CA 94301
	    		    		    		    	147,630

  

 1 

									
	 Name
	  	Amount of
Series 1
Preferred
Shares	    	Amount of
Series 2
Preferred
Shares	    	Amount of
Series 3
Preferred
Shares	    	Amount of
Series X
Preferred
Shares
	 Oak Investment Partners IX, Limited Partnership

Attn:  Bandel Carano

           Craig Lang

c/o Oak Investment Partners
 525 University
Avenue, Suite 1300
 Palo Alto, CA 94301
	  	10,165,134	    	3,781,892	    	23,083,886	    	
					
	 Oak IX Affiliates Fund, Limited Partnership

Attn:  Bandel Carano

           Craig Lang

c/o Oak Investment Partners
 525 University
Avenue, Suite 1300
 Palo Alto, CA 94301
	  	108,344	    	40,309	    	246, 035	    	
					
	 Oak IX Affiliates Fund – A, Limited Partnership

Attn:  Bandel Carano

           Craig Lang

c/o Oak Investment Partners
 525 University
Avenue, Suite 1300
 Palo Alto, CA 94301
	  	243,996	    	90,776	    	554,079	    	
					
	 Draper Fisher Jurvetson Fund VII, L.P.

2882 Sand Hill Road, Suite 150
 Menlo Park, CA
94025
 Attn:  Steve Jurvetson
	  	9,653,332	    	3,370,319	    	11,451,978	    	29,241
					
	 Draper Fisher Jurvetson Partners VII, LLC

2882 Sand Hill Road, Suite 150
 Menlo Park, CA
94025
 Attn:  Steve Jurvetson
	  	140,778	    	49,151	    	167,007	    	426
					
	 Draper Associates, L.P.
 2882
Sand Hill Road, Suite 150
 Menlo Park, CA 94025

Attn:  Timothy C. Draper
	  	260,000	    	91,280	    	310,157	    	790
					
	 Draper Fisher Associates III Annex Fund, L.P.

2882 Sand Hill Road, Suite 150
 Menlo Park, CA
94025
 Attn:  Timothy C. Draper

           John Fisher
	  	429,189	    	357,462	    	316,037	    	

  

 2 

									
	 Name
	  	Amount of
Series 1
Preferred
Shares	    	Amount of
Series 2
Preferred
Shares	    	Amount of
Series 3
Preferred
Shares	    	Amount of
Series X
Preferred
Shares
	 The Draper 1999 Grandchildren’s Trust

2882 Sand Hill Road, Suite 150
 Menlo Park, CA
94025
 Attn:  Timothy C. Draper
	  	1,444	    	504	    		    	
					
	 Draper Fisher Partners, LLC

2882 Sand Hill Road, Suite 150
 Menlo Park, CA
94025
 Attn:  Steve Jurvetson

           John Fisher
	  	27,881	    	23,222	    	20,531	    	86
					
	 Draper GC Partners
 2882 Sand
Hill Road, Suite 150
 Menlo Park, CA 94025
	  		    		    		    	2
					
	 Tim Draper
 c/o Draper Fisher
Jurvetson
 2882 Sand Hill Road, Suite 150

Menlo Park, CA 94025
	  		    	3,174	    		    	4
					
	 Warren Packard
 c/o Draper
Fisher Jurvetson
 2882 Sand Hill Road, Suite 150

Menlo Park, CA 94025
	  	9,091	    	3,174	    	10,344	    	27
					
	 The Fonstad Living Trust dated March 26, 1999

Attn: Jennifer Fonstad
 c/o Draper Fisher
Jurvetson
 2882 Sand Hill Road, Suite 150

Menlo Park, CA 94025
	  	9,091	    	3,174	    	10,344	    	27
					
	 Mark Greenstein
 c/o Draper
Fisher Jurvetson
 2882 Sand Hill Road, Suite 150

Menlo Park, CA 94025
	  	4,546	    	1,587	    	5,172	    	14
					
	 The Steve and Karla Jurvetson

Living Trust dated August 27, 2002
 Attn:
Steve Jurvetson
 c/o Draper Fisher Jurvetson

2882 Sand Hill Road, Suite 150
 Menlo Park, CA
94025
	  	90,910	    	31,744	    	103,450	    	270

  

 3 

									
	 Name
	  	Amount of
Series 1
Preferred
Shares	    	Amount of
Series 2
Preferred
Shares	    	Amount of
Series 3
Preferred
Shares	    	Amount of
Series X
Preferred
Shares
	 The Board of Trustees of the Leland

Stanford Junior University (SEVF2)
 Stanford
Management Company
 Attn: Saloni Kapadia

Martina Poquet
 Victoria Von Schell

2770 Sand Hill Road
 Menlo Park, CA
94025
 (650) 926-0265
 (650) 854-9267
Fax
	  	136,364	    	47,616	    	85,000	    	320
					
	 ATA Ventures I, L.P.
 Attn: T.
Peter Thomas
 203 Redwood Shores Pkwy, Ste 550

Redwood City, CA 94065
	  	6,100,810	    	2,027,563	    	2,864,281	    	955
					
	 ATA Affiliates Fund I, L.P.

Attn: T. Peter Thomas
 203 Redwood Shores Pkwy,
Ste 550
 Redwood City, CA 94065
	  	230,995	    	76,769	    	108,450	    	36
					
	 ATA Investment Fund I, L.P.

Attn: T. Peter Thomas
 203 Redwood Shores Pkwy,
Ste 550
 Redwood City, CA 94065
	  	58,084	    	19,304	    	27,269	    	9
					
	 Alps Information Technology Fund LP

Attn: Martin E. Sukle
 910 E. Hamilton Avenue,
Ste 500
 Campbell, CA 95008
	  	909,090	    	317,441	    	431,591	    	
					
	 Tempovest Fund II, L.P.

Mourant International Financial Administration

East Wing
 Trafalgar Court

Admiral Park
 St Peter Port

Guernsey GX1 6HJ
	  	3,409,081	    	1,190,402	    	2,700,464	    	10,500
					
	 Technology Gateway Partnership II

31473 Rancho Viejo Road Suite 203
 San Juan
Capistrano, CA 92675
 Attn: Thomas O Gephart
	  	909,090	    	317,441	    		    	380

  

 4 

									
	 Name
	  	Amount of
Series 1
Preferred
Shares	    	Amount of
Series 2
Preferred
Shares	    	Amount of
Series 3
Preferred
Shares	    	Amount of
Series X
Preferred
Shares
	 Institutional Venture Partners VII, L.P.

Attn: T. Peter Thomas
 3000 Sand Hill
Road
 Building 2, Suite 290
 Menlo
Park, CA 94025
	  	1,800,953	    	498,778	    	735,000	    	3,636
					
	 Institutional Venture Management VII, L.P.

Attn: T. Peter Thomas
 3000 Sand Hill
Road
 Building 2, Suite 290
 Menlo
Park, CA 94025
	  	36,754	    	10,179	    	15,000	    	74
					
	 Rockport Capital Partners, L.P.

Attn: Todd Wilson
 160 Federal Street, 18th Floor

 Boston, MA 02110
	  	1,363,636	    	486,503	    		    	
					
	 RP Co-Investment Fund I, L.P.

Attn: Todd Wilson
 160 Federal Street, 18th Floor

 Boston, MA 02110
	  	454,545	    	148,379	    	430,000	    	
					
	 Harris & Harris Group, Inc.

111 West
57th St., Suite 1100

New York, NY 10019
 Attention: Douglas W.
Jamison,
 President
	  	1,831,256	    	741,898	    	2,750,000	    	2,000
					
	 Linkmore Limited

7th Floor

 No. 86-2 Song-Gao Road
 Sin-Yi
District
 Taipei, Taiwan 110
 Attn:
Mr. Morris Lu; Vincent Lu
	  	637,996	    	222,569	    		    	1,020
					
	 Hal Stillman
 [address
intentionally deleted]
	  	22,728	    	7,418	    	20,000	    	140
					
	 Robert Douglas Moffat
 [address
intentionally deleted]
	  	22,728	    	7,418	    	25,000	    	150
					
	 Helen Gordon Selser
 [address
intentionally deleted]
	  	13,637	    	4,761	    	8,500	    	60

  

 5 

										
	 Name
	  	Amount of
Series 
1
Preferred
Shares	 	  	Amount of
Series 
2
Preferred
Shares	    	Amount of
Series 
3
Preferred
Shares	    	Amount of
Series 
X
Preferred
Shares
	 Sopkin Family Trust

Attn: Elliott Sopkin

[address intentionally deleted]
	  	22,728 (held
as an
individual
investor	  
  
  
) 	  	7,418	    		    	25
					
	 HEWM/VLG Investments, LLC

c/o Heller Ehrman Venture Law Group

275 Middlefield Road

Menlo Park, CA 94025
	  	38,637	  	  	18,547	    		    	
					
	 VLG Investments 2006, LLC

By: Heller Ehrman LLP, Manager

275 Middlefield Road

Menlo Park, CA 94025
	  			  		    	27,400	    	
					
	 VLG Investments 2008, LLC

c/o Heller Ehrman Venture Law Group

275 Middlefield Road

Menlo Park, CA 94025
	  			  		    		    	700
					
	 John H. Sellers

c/o Heller Ehrman Venture Law Group

275 Middlefield Road

Menlo Park, CA 94025
	  	6,819	  	  	3,709	    	5,100	    	50
					
	 The Sukle Living Trust U/A/D July 17, 1986

2237 Howard Avenue

San Carlos, CA 94070
	  	4,545	  	  	1,483	    	2,500	    	10
					
	 Sigefi, Burnette & Vallee I, L.P.

Attn: Jacques Vallee

Graham Burnette

100 Hamilton Avenue, Suite 250

Palo Alto, CA 94301

650-522-0085

650-522-0087 Fax
	  	252,273	  	  	96,446	    	489,983	    	1,900
					
	 Sigefi, Burnette & Vallee IA, L.P.

Attn: Jacques Vallee

Graham Burnette

100 Hamilton Avenue, Suite 250

Palo Alto, CA 94301

650-522-0085

650-522-0087 Fax
	  	20,455	  	  	7,418	    	10,017	    	100

  

 6 

									
	 Name
	  	Amount of
Series 
1
Preferred
Shares	    	Amount of
Series 
2
Preferred
Shares	    	Amount of
Series 
3
Preferred
Shares	    	Amount of
Series 
X
Preferred
Shares
	 Sands Brothers Venture Capital, LLC

Attn: Glen McKelvey

Sands Brothers Venture Capital

90 Park Avenue

New York, NY 10016
	  	45,454	    	17,869	    		    	
					
	 Sands Brothers Venture Capital II, LLC

Attn: Glen McKelvey

Sands Brothers Venture Capital

90 Park Avenue

New York, NY 10016
	  	45,454	    	17,869	    		    	
					
	 Sands Brothers Venture Capital III, LLC

Attn: Glen McKelvey

Sands Brothers Venture Capital

90 Park Avenue

New York, NY 10016
	  	227,272	    	89,350	    		    	
					
	 Sands Brothers Venture Capital IV, LLC

Attn: Glen McKelvey

Sands Brothers Venture Capital

90 Park Avenue

New York, NY 10016
	  	136,363	    	53,610	    		    	
					
	 Kenneth Westrick

[address intentionally deleted]
	  	227,273	    	79,360	    		    	366
					
	 Kirsten Westrick

[address intentionally deleted]
	  	227,272	    	79,360	    		    	366
					
	 Masters Capital Nanotechnology Fund, L.P.

Attn: Mel P. Melsheimer

3060 Peachtree Road, NW Ste 1815

Atlanta, GA 30305
	  	2,650,613	    	337,450	    	2,567,370	    	15,500
					
	 Timothy S. Jenks and Atsuko K. Jenks

Declaration of Trust dated 7 Jan. 1996

c/o NeoPhotonics Corporation

2911 Zanker Road

San Jose, CA 95134-2125
	  		    	11,129	    	5,000	    	80

  

 7 

									
	 Name
	  	Amount of
Series 
1
Preferred
Shares	    	Amount of
Series 
2
Preferred
Shares	    	Amount of
Series 
3
Preferred
Shares	    	Amount of
Series 
X
Preferred
Shares
	 Sheldon Sobel

[address intentionally deleted]
	  		    	22,257	    	30,000	    	100
					
	 Peter S. Dardi and Bridgette A. Barry

[address intentionally deleted]
	  		    	11,128	    		    	500
					
	 David F. Kleinsmith

[address intentionally deleted]
	  		    	10,000	    	15,000	    	30
					
	 Wellway International Limited
	  		    	1,175,920	    		    	
					
	 Nison Limited
	  		    	3,056,360	    		    	10,000
					
	 Landjoy Management Limited
	  		    	351,462	    		    	
					
	 Cheng Nga Yin
	  		    	61,435	    		    	
					
	 Yeung San Yuen
	  		    	1,146,474	    		    	
					
	 Gary Chiang
	  		    	117,659	    		    	
					
	 Lee Chih Cherng
	  		    	52,293	    		    	
					
	 Lau Hiu Nam
	  		    	25,142	    		    	
					
	 The Beijing Junji Blind Trust
	  		    	80,092	    		    	
					
	 Creative China Investment Limited
	  		    	497,474	    		    	
					
	 Bay III, L.P.

c/o Bay Partners

Attn: Bob Williams

10600 N. De Anza Blvd

Cupertino, CA 95014
	  	207,029	    		    		    	4,456
					
	 Bay III Entrepreneurs Fund, L.P.

c/o Bay Partners

Attn: Bob Williams

10600 N. De Anza Blvd

Cupertino, CA 95014
	  	25,274	    		    		    	544

  

 8 

									
	 Name
	  	Amount of
Series 
1
Preferred
Shares	    	Amount of
Series 
2
Preferred
Shares	    	Amount of
Series 
3
Preferred
Shares	    	Amount of
Series 
X
Preferred
Shares
	 ATEL Venture Fund, LLC

Attn: Russ Wilder

600 California St.,
6th Floor

San Francisco, CA 94108
	  	158,854	    		    		    	
					
	 Dominion Venture Finance

1656 North California Blvd.

Suite 300

Walnut Creek, CA 94596
	  	1,067,167	    		    		    	
					
	 Morrison & Foerster, LLP

755 Page Mill Road

Palo Alto, CA 94304-1018
	  	17,478	    		    		    	
					
	 S.J. Building Maintenance
	  	6,539	    		    		    	
					
	 Timothy Draper Living Trust

c/o Draper Fisher Jurvetson

2882 Sand Hill Road, Suite 150

Menlo Park, CA 94025
	  	9,091	    		    	10,343	    	23
					
	 Timothy S. Jenks

c/o NeoPhotonics Corporation

2911 Zanker Road

San Jose, CA 95134-2125
	  	4,775	    		    	1,500	    	20
					
	 S.I. Technology Venture Capital Limited

Attn: Philip Zhai, Ph.D.

26/F Harcourt House

39 Gloucester Road

Hong Kong
	  		    		    	7,500,000	    	
					
	 Needham Capital Partners III, L.P.

c/o Needham & Company, LLC

Attn: Thomas P. Shanahan

445 Park Avenue

New York, NY 10022
	  		    		    	4,091,464	    	4,888
					
	 Needham Capital Partners IIIA, L.P.

c/o Needham & Company, LLC

Attn: Thomas P. Shanahan

445 Park Avenue

New York, NY 10022
	  		    		    	438,434	    	524

  

 9 

									
	 Name
	  	Amount of
Series 
1
Preferred
Shares	    	Amount of
Series 
2
Preferred
Shares	    	Amount of
Series 
3
Preferred
Shares	    	Amount of
Series 
X
Preferred
Shares
	 Needham Capital Partners III (Bermuda), L.P.

c/o Needham & Company, LLC

Attn: Thomas P. Shanahan

445 Park Avenue

New York, NY 10022
	  		    		    	846,102	    	1,011
					
	 State Street Bank and Trust Company

as Trustee For The Dupont Pension Trust

DuPont Capital Management

Delaware Corporate Center

One Righter Parkway, Suite 3200

Wilmington, DE 19803
	  		    		    	4,000,000	    	14,000
					
	 DCM Private Equity Fund II LLC

Delaware Corporate Center

One Righter Parkway, Suite 3200

Wilmington, DE 19803
	  		    		    	1,000,000	    	1,000
					
	 MUS Roosevelt China Pacfic Fund LP

Mitsubishi UFJ Securities (HK) Capital, Limited

11/F., AIG Tower, 1 Connaught Road,

Central, Hong Kong

Attention. Mr. Jun Otsuka
	  		    		    	3,000,000	    	
					
	 Chais Family Trust

[address intentionally deleted]
	  		    		    	96,940	    	
					
	 Gary Chiang

[address intentionally deleted]
	  		    	117,659	    		    	
					
	 Raymond Chu

[address intentionally deleted]
	  		    		    	238,761	    	
					
	 Budworth Investments

7F, No. 187 Tiding Blvd.

Taipei, Taiwan 114
	  		    		    	798,841	    	500
					
	 Crescendo IV AG & Co.

480 Cowper Street Suite

Palo Alto, CA 94301
	  		    		    	177,491	    	212

  

 10 

									
	 Name
	  	Amount of
Series 1
Preferred
Shares	    	Amount of
Series 2
Preferred
Shares	    	Amount of
Series 3
Preferred
Shares	    	Amount of
Series X
Preferred
Shares
	 Crescendo IV Entrepreneur Fund A, L.P.

480 Cowper Street Suite
 Palo Alto, CA
94301
	  		    		    	36,896	    	44
					
	 Crescendo IV Entrepreneur Fund, L.P.

480 Cowper Street Suite
 Palo Alto, CA
94301
	  		    		    	82,513	    	99
					
	 Crescendo IV, L.P.
 480 Cowper
Street Suite
 Palo Alto, CA 94301
	  		    		    	2,949,447	    	3,524
					
	 Delta Fund I (Israel L.P.)

Hertzelia Business Park
 Hertzelia , Israel 46140

	  		    		    	86,637	    	
					
	 Delta Fund I, L.P.
 Hertzelia
Business Park
 Hertzelia , Israel 46140
	  		    		    	1,597,725	    	
					
	 Delwin Investments, Inc.
 100
North Crescent Drive
 Beverly Hills, CA 90210
	  		    		    	26,684	    	
					
	 Dominion Capital Management LLC

311 California Street Suit
 San Francisco, CA
94104
	  	1,067,167	    		    		    	
					
	 East Gate Private Equity
 514
High Street
 Palo Alto, CA 94301
	  	706,363	    		    		    	
					
	 ETV Beteiligungs GmbH
 Rue du
Glaud-Pont 12
 1003 Lausanne

Switzerland
	  		    		    	201,835	    	
					
	 Gmulot Delta Fund, L.P.

Hertzelia Business Park
 Hertzelia,
Pituach
 Israel
	  		    		    	198,123	    	
					
	 Bruce K. Graham
 [address
intentionally deleted]
	  		    		    	119,303	    	
					
	 Gunther Family Trust
 [address
intentionally deleted]
	  		    		    	62,231	    	

  

 11 

									
	 Name
	  	Amount of
Series 1
Preferred
Shares	    	Amount of
Series 2
Preferred
Shares	    	Amount of
Series 3
Preferred
Shares	    	Amount of
Series X
Preferred
Shares
	 Harbinger III Venture Capi
 7F,
No. 187, Tiding Blvd.
 Taipei, Taiwan 114
	  		    		    	342,360	    	1,500
					
	 Index Venture Management S.A.

2 Rue de Jargonnant
 1207 Geneva

Switzerland
	  		    		    	42,790	    	
					
	 Index Ventures II (Delaware) L.P.

No. 1 Seaton PLace
 St. Helier, Jersey JE4
8YJ
 Great Britain
	  		    		    	1,388,213	    	
					
	 Index Ventures II (Jersey) L.P.

No. 1 Seaton Place
 St. Helier, Jersey JE 4
YJ
 Great Britain
	  		    		    	822,744	    	
					
	 Index Ventures II GmbH & Co. KG

P.O. Box 641 No 1 Seato
 St. Helier, Jersey JE4
8YJ
 Great Britain
	  		    		    	221,953	    	
					
	 Index Ventures II Parallel

Entrepreneur Fund (Jersey-A) L.P.
 No 1 Seaton
Place
 St. Helier, Jersey JE4 YJ
 Great
Britain
	  		    		    	25,335	    	
					
	 Index Ventures II Parallel

Entrepreneur Fund (Jersey-B) L.P.
 No 1 Seaton
Place
 St. Helier, Jersey JE4 YJ
 Great
Britain
	  		    		    	39,717	    	
					
	 Infinity Capital VF 2002 Management LLC

480 Cowper Street Unit #
 94301
	  		    		    	120,497	    	
					
	 Mitchell Technology Investments

11601 Wilshire Blvd. Suite 2400
 Los Angeles, CA
90025
	  		    		    	104,156	    	
					
	 Polak Investors, LLC
 [address
intentionally deleted]
	  		    		    	18,885	    	
					
	 David Polak
 [address
intentionally deleted]
	  		    		    	4,507	    	

  

 12 

									
	 Name
	  	Amount of
Series 1
Preferred
Shares	    	Amount of
Series 2
Preferred
Shares	    	Amount of
Series 3
Preferred
Shares	    	Amount of
Series X
Preferred
Shares
	 SEED Venture GmbH & Co. KGaA

Schlossplatz10
 Karlsruhe D-76113

Germany
	  		    		    	427,587	    	
					
	 Elliot Sopkin
 [address
intentionally deleted]
	  	22,728	    		    		    	25
					
	 Wifleur Inc.
 30 St. Clair
Avenue West
 Toronto, Ontario
 M4V 3A1

 Canada
	  		    		    	26,684	    	
					
	 Wong Wilson
 [address
intentionally deleted]
	  		    		    	294,260	    	
					
	 Albert L. Jenks and Barbara M. Jenks

[address intentionally deleted]
	  		    		    		    	100
					
	 Mel P Melsheimer
 [address
intentionally deleted]
	  		    		    		    	1,750
					
	 Michael Collett
 [address
intentionally deleted]
	  		    		    		    	250

  

 13 

 EXHIBIT B 

Concord-represented Parties 
  

	
	 Wellway International Limited

Pasea Estate
 Road Town

Tortola, British Virgin Islands

	
	 Nison Limited
 Pasea Estate

 Road Town
 Tortola, British Virgin
Islands

	
	 Chu Hoi Ping

[address intentionally deleted]

	
	 Landjoy Management Limited

Akara Builiding
 24 De Castro Street

Wickhams Cayi
 Road Town

Tortola, British Virgin Islands

	
	 Cheng Nga Yin

[address intentionally deleted]

	
	 Yeung Sau Yuen

[address intentionally deleted]

	
	 Gary Chiang

[address intentionally deleted]

 

 1 

	
	 Lee Chih Cherng

[address intentionally deleted]

	
	 Lau Hiu Nam

[address intentionally deleted]

	
	 Tse Mang

[address intentionally deleted]

	
	 The Beijing Junji Blind Trust Agreement F/B/O

Beisjing Junji Investment Management, Ltd., dated

this
7th day of December, 2005

[address intentionally deleted]

 

 2 

 EXHIBIT C 

FORM OF ANNUAL MONITORING REPORT 
  

 1 

 EXHIBIT D 

CORRECTIVE ACTION PLAN 
  

			
	 Action
	  	Target
Completion

Date
	 Prepare Corporate Policy Statement
  

Write a NeoPhotonics policy statement for the organization that clearly defines the NeoPhotonics’ position (e.g. vision, mission and consumer
relations) regarding production and product quality, environmental management, and occupational health and safety for all existing facilities and future acquisitions (including the Shenzhen facility).
	  	Condition of IFC
Purchase (Initial
Closing)
		
	 Management Endorsement of Corporate Policy
  

Obtain senior management endorsement of the policy statement; announce the existence of the management approved corporate policy and distribute the
corporate policy to all employees and management staff and contractors.
  

Conduct briefings in all divisions explaining the quality, environment and occupational health and safety policy and how it will be implemented and
integrated through the creation of an integrated management system addressing production and product quality, environmental management and occupational health and safety.
	  	Within Three (3)
Months After
IFC Purchase
(Initial Closing)
		
	 Implement Environmental Management System (EMS)
  

Implement an Environmental Management System similar in scope and desired outcomes as the management system in use at the NeoPhotonics’ San Jose
facility. Existing corporate EMS may be adapted and/or extended to incorporate Shenzhen and/or other corporate facilities. Employees at the Shenzhen (and other foreign) facilities should be trained to effectively use the EMS system at their
facility. After completion of the training program, provide IFC with documentary evidence of EMS implementation and employee training.
	  	Within Nine (9)
Months After
IFC Purchase
(Initial Closing)
		
	 Annual Monitoring Report
  

Reach agreement with IFC Environmental and Social Development Department on format for annual environmental performance report required by IFC investment
contract. Obtain agreement on format, content. Ensure that facility managers collect adequate data throughout the operating year to complete the annual reports for IFC.
	  	Condition of IFC
Purchase (Initial
Closing)

  

 1 

 EXHIBIT E 

EXCLUSION LIST 
  

	 	•	 	 Production or activities involving harmful or exploitative forms of forced
labor1/harmful child
labor.2 

 

	 	•	 	 Production or trade in any product or activity deemed illegal under host country laws or regulations or international conventions and agreements.

  

	 	•	 	 Production or trade in weapons and
munitions.3 

 

	 	•	 	 Production or trade in alcoholic beverages (excluding beer and wine). 

 

	 	•	 	 Production or trade in tobacco. 

  

	 	•	 	 Gambling, casinos and equivalent enterprises. 

  

	 	•	 	 Trade in wildlife or wildlife products regulated under Convention on International Trade in Endangered Species of Wild Fauna and Flora.

  

	 	•	 	 Production or trade in radioactive
materials.4 

 

	 	•	 	 Production or trade in or use of unbonded asbestos
fibers.5 

 

	 	•	 	 Commercial logging operations or the purchase of logging equipment for use in primary tropical moist forest (prohibited by the Forestry
policy).6 

 

	 	•	 	 Production or trade in products containing
PCBs.7 

 

	 	•	 	 Production or trade in pharmaceuticals subject to international phase outs or bans. 

 

	 	•	 	 Production or trade in pesticides/herbicides subject to international phase out. 

 

	 	•	 	 Production or trade in ozone depleting substances subject to international phase
out.8 

 
  

	1
	 Forced labor means all work or service, not voluntarily performed, that is extracted from an individual under threat of force or penalty.

	2
	 Harmful child labor means the employment of children that is economically exploitative, or is likely to be hazardous to, or to interfere with, the
child’s education, or to be harmful to the child’s health, or physical, mental, spiritual, moral or social development. 

	3
	 These activities are prohibited only if a Portfolio Company is substantially involved in such activities, i.e., the activity is not considered
ancillary to such Portfolio Company’s primary operations. 

	4
	 This does not apply to the purchase of medical equipment, quality control (measurement) equipment and any equipment where IFC considers the radioactive
source to be trivial and/or adequately shielded. 

	5
	 This does not apply to the purchase and use of bonded asbestos cement sheeting where the asbestos content is <20%. 

	6
	 See IFC OP 4.36, Forestry (under review). 

	7
	 PCBs: Polychlorinated biphenyls – a group of highly toxic chemicals. PCBs are likely to be found in oil-filled electrical transformers,
capacitators, and switchgear dating from 1950-1985. 

	8
	 Ozone Depleting Substances (ODSs): Chemical compounds which react with and deplete stratospheric ozone, resulting in the widely publicized ‘ozone
holes’. The Montreal Protocol lists ODSs and their target reduction and phase out dates. 

  

 1 

 In addition, to its knowledge, neither the Company, nor its subsidiaries, nor the users of their services
shall provide any text, pictures, graphics, sound, video, or other data in connection with utilizing the Company’s or its subsidiaries’ services that: 
  

	 	•	 	 infringes on any third party’s copyright, patent, trademark, trade secret or other proprietary rights or rights of publicity or privacy;

  

	 	•	 	 violates and law, statute, ordinance or regulation (including, without limitation, the laws and regulations governing export control);

  

	 	•	 	 is defamatory, trade libelous, unlawfully threatening or harassing; 

 

	 	•	 	 is obscene or pornographic or contains child pornography; 

 

	 	•	 	 violates any laws regarding unfair competition; anti-discrimination or false advertising; or 

 

	 	•	 	 contains any viruses, Trojan horses, worms, time-bombs, cancelbots or other computer routines that are intended to damage, detrimentally interfere with
surreptitiously intercept or expropriate any system, data or personal information. 

  

 2 

 EXHIBIT F 

COMPANY POLICY STATEMENT 

The environmental policy set forth in Company’s EMS Manual in effect 

as of the date of this Agreement. 
  

 1 

 EXHIBIT G 

INSURANCE REQUIREMENTS 
  

	1.	CONSTRUCTION/EXPANSION PHASE 

  

	 	a)	Construction All Risks, based on full contract value and including: 

  

	 	i)	Riot and Strike 

  

	 	ii)	Debris Removal 

  

	 	iii)	Extra Expenses 

  

	 	iv)	Maintenance period 

  

	 	v)	Third Party Liability 

  

	 	b)	Marine all Risks (including war) in respect of all critical imports. 

  

	2.	ONGOING / OPERATIONAL PHASE 

  

	 	a)	Fire and named perils (including Earthquake, Flood and Typhoon) or All Risks, based on new replacement cost of assets 

 

	 	b)	Business Interruption 

  

	 	c)	Third Party Liability including Products Liability 

  

	3.	AT ALL TIMES 

  

	 	a)	All insurances required by local legislation. 

  

	 	b)	Directors & Officers Liability, as required by IFC 

The Company shall use its best efforts obtain/enhance the insurances listed in item 2(a) (with respect to coverage for Earthquake), 2(b) and 2(c)
above for the Company’s operations in China within sixty (60) days after the date of this Agreement; if such insurances are not available on a commercially reasonable basis, the Company will obtain such other insurance coverage as is
reasonably required by IFC. 
  

 1 

 EXHIBIT H 

ANTI-CORRUPTION GUIDELINES FOR IFC TRANSACTIONS 

The purpose of these Guidelines is to define and clarify the meaning of the terms “Corrupt Practices”, “Fraudulent Practices”,
“Coercive Practices”, “Collusive Practices” and “Obstructive Practices” in the context of IFC operations. 
  

	1.	CORRUPT PRACTICES 

A “Corrupt Practice” is the offering, giving, receiving or soliciting, directly or indirectly, of anything of value to influence improperly the
actions of another party. 
 INTERPRETATION 

 

	 	A.	Corrupt practices are understood as kickbacks and bribery. The conduct in question must involve the use of improper means (such as bribery) to violate or derogate a
duty owed by the recipient in order for the payor to obtain an undue advantage or to avoid an obligation. Antitrust, securities and other violations of law that are not of this nature are excluded from the definition of corrupt practices.

  

	 	B.	It is acknowledged that foreign investment agreements, concessions and other types of contracts commonly require investors to make contributions for bona fide social
development purposes or to provide funding for infrastructure unrelated to the project. Similarly, investors are often required or expected to make contributions to bona fide local charities. These practices are not viewed as Corrupt Practices for
purposes of these definitions, so long as they are permitted under local law and fully disclosed in the payor’s books and records. Similarly, an investor will not be held liable for corrupt or fraudulent practices committed by entities that
administer bona fide social development funds or charitable contributions. 

  

	 	C.	In the context of conduct between private parties, the offering, giving, receiving or soliciting of corporate hospitality and gifts that are customary by
internationally-accepted industry standards shall not constitute corrupt practices unless the action violates applicable law. 

  

	 	D.	Payment by private sector persons of the reasonable travel and entertainment expenses of public officials that are consistent with existing practice under relevant law
and international conventions will not be viewed as Corrupt Practices. 

  

	 	E.	The World Bank Group does not condone facilitation payments. For the purposes of implementation, the interpretation of “Corrupt Practices” relating to
facilitation payments will take into account relevant law and international conventions pertaining to corruption. 

  

	2.	FRAUDULENT PRACTICES 

A “Fraudulent Practice” is any action or omission, including misrepresentation, that knowingly or recklessly misleads, or attempts to mislead, a
party to obtain a financial benefit or to avoid an obligation. 

 INTERPRETATION 

 

	 	A.	An action, omission, or misrepresentation will be regarded as made recklessly if it is made with reckless indifference as to whether it is true or false. Mere
inaccuracy in such information, committed through simple negligence, is not enough to constitute a “Fraudulent Practice” for purposes of this Agreement. 

 

	 	B.	Fraudulent Practices are intended to cover actions or omissions that are directed to or against a World Bank Group entity. It also covers Fraudulent Practices directed
to or against a World Bank Group member country in connection with the award or implementation of a government contract or concession in a project financed by the World Bank Group. Frauds on other third parties are not condoned but are not
specifically sanctioned in IFC, MIGA, or PRG operations. Similarly, other illegal behavior is not condoned, but will not be considered as a Fraudulent Practice for purposes of this Agreement. 

 

	3.	COERCIVE PRACTICES 

A “Coercive Practice” is impairing or harming, or threatening to impair or harm, directly or indirectly, any party or the property of the party
to influence improperly the actions of a party. 
 INTERPRETATION 

 

	 	A.	Coercive Practices are actions undertaken for the purpose of bid rigging or in connection with public procurement or government contracting or in furtherance of a
Corrupt Practice or a Fraudulent Practice. 

  

	 	B.	Coercive Practices are threatened or actual illegal actions such as personal injury or abduction, damage to property, or injury to legally recognizable interests, in
order to obtain an undue advantage or to avoid an obligation. It is not intended to cover hard bargaining, the exercise of legal or contractual remedies or litigation. 

 

	4.	COLLUSIVE PRACTICES 

A “Collusive Practice” is an arrangement between two or more parties designed to achieve an improper purpose, including to influence improperly
the actions of another party. 
 INTERPRETATION 

Collusive Practices are actions undertaken for the purpose of bid rigging or in connection with public procurement or government
contracting or in furtherance of a Corrupt Practice or a Fraudulent Practice. 
  

	5.	OBSTRUCTIVE PRACTICES 

An “Obstructive Practice” is (i) deliberately destroying, falsifying, altering or concealing of evidence material to the investigation or
making of false statements to investigators, in order to materially impede a World Bank Group investigation into allegations of a corrupt, fraudulent, coercive or collusive practice, and/or threatening, harassing or intimidating any party to prevent
it from disclosing its knowledge of matters relevant to the investigation or from pursuing the investigation, or (ii) acts intended to materially impede the exercise of IFC’s access to contractually required information in connection with
a World Bank Group investigation into allegations of a corrupt, fraudulent, coercive or collusive practice. 

 INTERPRETATION 

Any action legally or otherwise properly taken by a party to maintain or preserve its regulatory, legal or constitutional rights such as
the attorney-client privilege, regardless of whether such action had the effect of impeding an investigation, does not constitute an Obstructive Practice. 

GENERAL INTERPRETATION 

A person should not be liable for actions taken by unrelated third parties unless the first party participated in the prohibited act in question.Warrant to Purchase Common Stock

 Exhibit 4.3 

THIS WARRANT AND THE SHARES ISSUABLE HEREUNDER HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR ANY
APPLICABLE STATE SECURITIES LAWS, AND MAY NOT BE SOLD, PLEDGED OR OTHERWISE TRANSFERRED WITHOUT AN EFFECTIVE REGISTRATION THEREOF UNDER THE ACT AND ANY APPLICABLE STATE SECURITIES LAWS, OR PURSUANT TO RULE 144 OR AN EXEMPTION FROM THE REGISTRATION
REQUIREMENTS OF THE ACT AND ANY APPLICABLE STATE SECURITIES LAWS. 
 WARRANT TO PURCHASE STOCK 

 

			
	Corporation:	  	NEOPHOTONICS CORPORATION, a Delaware corporation
	Number of Shares:	  	112,069
	Class of Stock:	  	Common Stock
	Initial Exercise Price:	  	$1.16 per share
	Issue Date:	  	December 20, 2007
	Expiration Date:	  	December 20, 2014 (subject to Section 4.1)

THIS WARRANT TO PURCHASE STOCK (“WARRANT”) CERTIFIES THAT, for good and valuable consideration, the receipt of which is hereby
acknowledged, COMERICA BANK, or its assignee (“Holder”), is entitled to purchase the number of fully paid and nonassessable shares of the class of securities (the “Shares”) of NEOPHOTONICS CORPORATION (the “Company”) at
the initial exercise price per Share (the “Warrant Price”) all as set forth above and as adjusted pursuant to this Warrant, subject to the provisions and upon the terms and conditions set forth in this Warrant. 

ARTICLE 1 

EXERCISE 

1.1 Method of Exercise. Holder may exercise this Warrant by delivering this Warrant and a duly executed Notice of Exercise in
substantially the form attached as Appendix 1 to the principal office of the Company. Holder shall also deliver to the Company a check or wire for the aggregate Warrant Price for the Shares being purchased. 

1.2 Delivery of Certificate and New Warrant. Within 45 days after Holder exercises this Warrant, the Company shall deliver to
Holder certificates for the Shares acquired and, if this Warrant has not been fully exercised and has not expired, a new warrant representing the Shares not so acquired. 

1.3 Replacement of Warrants. In the case of loss, theft or destruction of this Warrant, on delivery of an indemnity agreement
reasonably satisfactory in form and amount to the Company or, in the case of mutilation, on surrender and cancellation of this Warrant, the Company at its expense shall execute and deliver, in lieu of this Warrant, a new warrant of like tenor.

 1.4 Acquisition of the Company. 

1.4.1 “Acquisition.” For the purpose of this Warrant, “Acquisition” means (a) any sale,
license, or other disposition of all or substantially all of the assets (including intellectual property) of the Company, or (b) any reorganization, consolidation, merger or sale of the voting securities of the Company or any other
transaction where the holders of the Company’s securities before the transaction beneficially own less than 50% of the outstanding voting securities of the surviving entity after the transaction. 

 1.4.2 Treatment of Warrant in the Event of an Acquisition. The
Company shall give Holder written notice at least 20 days prior to the closing of any proposed Acquisition. The Company will use commercially reasonable efforts to cause the acquirer of the Company under the Acquisition (the “Acquirer”) to
assume this Warrant as a part of the Acquisition. 
 (A) If the Acquirer assumes the Warrant, then this Warrant
shall be exercisable for the same securities, cash, and property as would be payable for the Shares issuable upon exercise of the unexercised portion of this Warrant as if such Shares were outstanding on the record date for the Acquisition and
subsequent closing. The Warrant Price shall be adjusted accordingly, and the Warrant Price and number and class of Shares shall continue to be subject to adjustment from time to time in accordance with the provisions hereof. 

(B) If the Acquire refuses to assume this Warrant in connection with the Acquisition, the Company shall give Holder an
additional written notice at least 5 days prior to the closing of the Acquisition of such fact. In such event, notwithstanding any other provision of this Warrant to the contrary, Holder may immediately exercise this Warrant in the manner specified
in this Warrant with such exercise effective immediately prior to closing of the Acquisition. If Holder elects not to exercise this Warrant, then this Warrant will terminate immediately prior to the closing of the Acquisition. 

ARTICLE 2 

ADJUSTMENTS TO THE SHARES 

2.1 Stock Dividends, Splits, Etc. If the Company declares or pays a dividend on its common stock payable in common stock, or other
securities, or subdivides the outstanding common stock into a greater amount of common stock, then upon exercise of this Warrant, for each Share acquired, Holder shall receive, without cost to Holder, the total number and kind of securities to which
Holder would have been entitled had Holder owned the Shares of record as of the date the dividend or subdivision occurred. 

2.2 Reclassification, Exchange or Substitution. Upon any reclassification, exchange, substitution, or other event that results in
a change of the number and/or class of the securities issuable upon exercise or conversion of this Warrant, Holder shall be entitled to receive, upon exercise or conversion of this Warrant, the number and kind of securities and property that Holder
would have received for the Shares if this Warrant had been exercised immediately before such reclassification, exchange, substitution, or other event. Such an event shall include any automatic conversion of the outstanding or issuable securities of
the Company of the same class or series as the Shares to common stock pursuant to the terms of the Company’s Certificate of Incorporation upon the closing of a registered public offering of the Company’s common stock. The Company or its
successor shall promptly issue to Holder a new warrant for such new securities or other property. The new warrant shall provide for adjustments which shall be as nearly equivalent as may be practicable to the adjustments provided for in this Article
2 including, without limitation, adjustments to the Warrant Price and to the number of securities or property issuable upon exercise of the new warrant. The provisions of this Section 2.2 shall similarly apply to successive reclassifications,
exchanges, substitutions, or other events. 
 2.3 Adjustments for Combinations, Etc. If the outstanding Shares of the
Company are combined or consolidated, by reclassification, reverse split or otherwise, into a lesser Number of Shares, the Warrant Price shall be proportionately increased and the number of Shares exercisable under this Warrant shall be
proportionately decreased. If the outstanding Shares are split or multiplied, by reclassification or otherwise, into a greater Number of Shares, the Warrant Price shall be proportionately decreased and the number of Shares exercisable under this
Warrant shall be proportionately increased. 
  

 2 

 2.4 No Impairment. The Company shall not, by amendment of its Certificate of
Incorporation or through a reorganization, transfer of assets, consolidation, merger, dissolution, issue, or sale of securities or any other voluntary action, avoid or seek to avoid the observance or performance of any of the terms to be observed or
performed under this Warrant by the Company, but shall at all times in good faith assist in carrying out all the provisions of this Article 2 and in taking all such action as may be necessary or appropriate to protect Holder’s rights under this
Article 2 against impairment. 
 2.5 Certificate as to Adjustments. Upon each adjustment of the Warrant Price, the
Company at its expense shall promptly compute such adjustment, and furnish Holder with a certificate signed by its Chief Financial Officer setting forth such adjustment and the facts upon which such adjustment is based. The Company shall, upon
written request, furnish Holder a certificate setting forth the Warrant Price in effect upon the date thereof and the series of adjustments leading to such Warrant Price. 

2.6 Fractional Shares. No fractional Shares shall be issuable upon exercise of this Warrant and the Number of Shares to be issued
shall be rounded down to the nearest whole Share. If a fractional share interest arises upon any exercise of the Warrant, the Company shall eliminate such fractional share interest by paying Holder an amount computed by multiplying the fractional
interest by the fair market value, as determined by the Company’s Board of Directors, of a full Share. 
 ARTICLE 3 

 REPRESENTATIONS AND COVENANTS OF THE COMPANY 

3.1 Representations and Warranties. The Company hereby represents and warrants to, and agrees with, the Holder as follows:

 3.1.1 Intentionally Omitted. 

3.1.2 All Shares which may be issued upon the exercise of the purchase right represented by this Warrant, and all
securities, if any, issuable upon conversion of the Shares, shall, upon issuance, be duly authorized, validly issued, fully paid and nonassessable, and free of any liens and encumbrances except for restrictions on transfer provided for herein or
under applicable federal and state securities laws. 
 3.2 Notice of Certain Events. If the Company proposes at any time
(a) to declare any dividend or distribution upon its stock, whether in cash, property, stock, or other securities and whether or not a regular cash dividend; (b) to offer for subscription pro rata to the holders of any class or series of
its stock any additional shares of stock of any class or series or other rights; (c) to effect any reclassification or recapitalization of stock; or (d) to merge or consolidate with or into any other corporation, or sell, lease, license,
or convey all or substantially all of its assets, or to liquidate, dissolve or wind up, then, in connection with each such event, the Company shall give Holder (1) at least 20 days prior written notice of the date on which a record will be
taken for such dividend, distribution, or subscription rights (and specifying the date on which the holders of stock will be entitled thereto) or for determining rights to vote, if any, in respect of the matters referred to in (a) and
(b) above; and (2) in the case of the matters referred to in (c) and (d) above at least 20 days prior written notice of the date when the same will take place (and specifying the date on which the holders of stock will be
entitled to exchange their stock for securities or other property deliverable upon the occurrence of such event). 
 3.3
Information Rights. So long as the Holder holds this Warrant and/or any of the Shares, the Company shall deliver to the Holder promptly after mailing, copies of all communiqués, financial statements and reports sent by the Company to
its common stock shareholders. 
  

 3 

 ARTICLE 4 

MISCELLANEOUS 

4.1 Term; Exercise Upon Expiration. This Warrant is exercisable in whole or in part, at any time and from time to time on or
before the Expiration Date set forth above; provided, however, that if the Company completes its initial public offering within the one-year period immediately prior to the Expiration Date, the Expiration Date shall automatically be extended
until the first anniversary of the effective date of the Company’s initial public offering. The Company shall give Holder written notice of Holder’s right to exercise this Warrant not less than 15 days before the Expiration Date. If the
notice is not so given, the Expiration Date shall automatically be extended until 30 days after the date the Company delivers such notice to Holder. 

4.2 Legends. This Warrant and the Shares (and the securities issuable, directly or indirectly, upon conversion of the Shares, if
any) shall be imprinted with a legend in substantially the following form: 
 THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE
SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR ANY APPLICABLE STATE SECURITIES LAWS, AND MAY NOT BE SOLD, PLEDGED OR OTHERWISE TRANSFERRED WITHOUT AN EFFECTIVE REGISTRATION THEREOF UNDER THE ACT AND ANY APPLICABLE STATE SECURITIES
LAWS, OR PURSUANT TO RULE 144 OR AN EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE ACT AND ANY APPLICABLE STATE SECURITIES LAWS. 

4.3 Compliance with Securities Laws on Transfer. This Warrant and the Shares issuable upon exercise of this Warrant (and the
securities issuable, directly or indirectly, upon conversion of the Shares, if any) may not be transferred or assigned in whole or in part without compliance with applicable federal and state securities laws by the transferor and the transferee.

 4.4 Transfer Procedure. Subject to the provisions of Section 4.3, Holder may transfer all or part of this Warrant
or the Shares issuable upon exercise of this Warrant (or the securities issuable, directly or indirectly, upon conversion of the Shares, if any) by giving the Company notice of the portion of this Warrant being transferred setting forth the name,
address and taxpayer identification number of the transferee and surrendering this Warrant to the Company for reissuance to the transferee(s) (and Holder, if applicable); provided, however, that Holder may transfer all or part of this Warrant
to its affiliates, including, without limitation, Comerica Incorporated, at any time with notice and without the delivery of any other instrument to the Company, and such affiliate shall then be entitled to all the rights of Holder under this
Warrant and any related agreements, and the Company shall cooperate fully in ensuring that any stock issued upon exercise of this Warrant is issued in the name of the affiliate that exercises this Warrant. The terms and conditions of this Warrant
shall inure to the benefit of, and be binding upon, the Company and the holders hereof and their respective permitted successors and assigns. Unless the Company is filing financial information with the SEC pursuant to the Securities Exchange Act of
1934, the Company shall have the right to refuse to transfer any portion of this Warrant to any person who directly competes with the Company. 

4.5 Notices. All notices and other communications from the Company to the Holder, or vice versa, shall be deemed delivered and
effective when given personally or mailed by first-class registered or certified mail, postage prepaid, at such address as may have been furnished to the Company or the Holder, as the case may be, in writing by the Company or such Holder from time
to time. All notices to the Holder shall be addressed as follows: 
  

 4 

 Comerica Bank c/o Comerica Incorporated 

Attn: Warrant Administrator 

500 Woodward Avenue,
32nd Floor, MC 3379 

Detroit, MI 48226 

All notices to the Company shall be addressed as follows: 

NeoPhotonics Corporation 

2911 Zanker Road 

San Jose, CA 95134 

Attn: General Counsel 

4.6 Amendments. This Warrant and any term hereof may be changed, waived, discharged or terminated only by an instrument in writing
signed by the party against which enforcement of such change, waiver, discharge or termination is sought. 
 4.7
Attorneys’ Fees. In the event of any dispute between the parties concerning the terms and provisions of this Warrant, the party prevailing in such dispute shall be entitled to collect from the other party all costs incurred in such
dispute, including reasonable attorneys’ fees. 
 4.8 Governing Law. This Warrant shall be governed by and construed
in accordance with the laws of the State of California, without giving effect to its principles regarding conflicts of law. 

[Remainder of Page Intentionally Left Blank] 
  

 5 

 4.9 Confidentiality. The Company hereby agrees to keep the terms and conditions of
this Warrant confidential. Notwithstanding the foregoing confidentiality obligation, the Company may disclose information relating to this Warrant as required by law, rule, regulation, court order or other legal authority, provided that (i) the
Company has given Holder at least ten (10) days’ notice of such required disclosure, and (ii) the Company only discloses information that is required, in the opinion of counsel reasonably satisfactory to Holder, to be disclosed.

  

			
	NEOPHOTONICS CORPORATION
		
	By: 	 	 /s/ Timothy S. Jenks

		
	Name:	 	 Timothy S. Jenks

		
	Title: 	 	 President & CEO

 

 6 

 APPENDIX 1 

NOTICE OF EXERCISE 

1. The undersigned hereby elects to purchase      shares of the      stock of
NeoPhotonics Corporation pursuant to the terms of the attached Warrant, and tenders herewith payment of the purchase price of such shares in full. 

2. Please issue a certificate or certificates representing said shares in the name of the undersigned or in such other name as is
specified below: 
 Comerica Bank 

Attn: Warrant Administrator 

500 Woodward Avenue,
32nd Floor, MC 3379 

Detroit, MI 48226 

3. The undersigned represents it is acquiring the shares solely for its own account and not as a nominee for any other party and not with
a view toward the resale or distribution thereof except in compliance with applicable securities laws. 
  

	
	COMERICA BANK or Assignee
	
	  

	(Signature)
	
	  

	(Name and Title)
	
	  

	(Date)

  

 1

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