EX-10.13



 Exhibit 10.13 

REGISTRATION RIGHTS AGREEMENT 

THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”) is entered into as of the
[        ] day of [                    ], 2017, by and among GigCapital, Inc., a Delaware corporation
(the “Company”), and the undersigned parties listed under Holders on the signature page hereto (each such party, and any person or entity who hereafter becomes a party to this Agreement pursuant to
Section 5.2, a “Holder” and collectively, the “Holders”). 

WHEREAS, on October 11, 2017, the Company and each of GigAcquisitions, LLC, a Delaware limited liability company, Cowen
Investments LLC, a Delaware limited liability company (“Cowen Investments”), Irwin Silverberg (“Silverberg”) and Jeffrey Bernstein (“Bernstein”) (collectively, the
“Founders”) entered into separate subscription agreements pursuant to which the Company issued and sold an aggregate of 4,267,500 shares (the “Founder Shares”) of its common stock, par value $0.0001
per share (“Common Stock”), to the Founders; provided, that, up to an aggregate of 562,500 Founder Shares are subject to forfeiture if the over-allotment option in connection with the Company’s initial public
offering is not exercised in full; 
 WHEREAS, on December [        ], 2017, the Company and
the Founders agreed to the cancellation of an aggregate of [•] Founder Shares (but the number of Founder Shares subject to forfeiture did not change); 

WHEREAS, on December [        ], 2017, the Company issued and sold 20,000 shares of Common
Stock to each of John Mikulsky, Peter Wang and Jack Porter, the Company’s independent directors, and 5,000 shares of Common Stock to Barrett Daniels, the Company’s Vice President and Chief Financial Officer (collectively, the
“Insider Shares”) solely in consideration of future services; 
 WHEREAS, on December
[        ], 2017, the Company and the Founders entered into separate unit purchase agreements, pursuant to which the Founders agreed to purchase an aggregate of 539,500 units of the Company (or up to 550,000
units of the Company if the over-allotment option in connection with the Company’s initial public offering is exercised in full) (the “Private Placement Units”), with each such unit consisting of one share of Common
Stock (all of such shares, collectively, the “Private Shares”), one right to receive one-tenth (1/10) of one share of Common Stock (the “Rights”) and one-half ( 1⁄2) of a warrant to purchase one share of Common Stock at an exercise price of $11.50 per share (all of such
warrants, collectively, “Private Warrants”), in a private placement transaction occurring simultaneously with the closing of the Company’s initial public offering; and 

WHEREAS, the Founders, the Insiders and the Company desire to set forth certain matters regarding the ownership of the Registrable
Securities (as defined below) by Holders (as defined below). 
 NOW, THEREFORE, in consideration of the mutual covenants and agreements set
forth herein, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows: 

1. DEFINITIONS. The following capitalized terms used herein have the following meanings: 

“Adverse Disclosure” means any public disclosure of material non-public
information, which disclosure, in the good faith judgment of the Chief Executive Officer or Chief Financial Officer of the Company, after consultation with counsel to the Company, (i) would be required to be made in any Registration Statement
or Prospectus in order for the applicable Registration Statement or Prospectus not to contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements contained therein (in the case of any prospectus
and any preliminary prospectus, in the light of the circumstances under which they were made) not misleading, (ii) would not be required to be made at such time if the Registration Statement were not being filed, and (iii) the Company has
a bona fide business purpose for not making such information public. 

  
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 “Agreement” means this Agreement, as amended, restated, supplemented, or
otherwise modified from time to time. 
 “Board” means the Board of Directors of the Company. 

“Business Combination” means the acquisition of direct or indirect ownership through a merger, share exchange, asset
acquisition, stock purchase, recapitalization, reorganization or other similar business combination with one or more businesses or entities, involving the Company. 

“Commission” means the Securities and Exchange Commission, or any other federal agency then administering the
Securities Act or the Exchange Act. 
 “Common Stock” has the meaning set forth in the Recitals. 

“Company” is defined in the preamble to this Agreement. 

“Demand Registration” has the meaning set forth in Section 2.1.1. 

“Demanding Holder” has the meaning set forth in Section 2.1.1. 

“Exchange Act” means the Securities Exchange Act of 1934, as amended, and the rules and regulations of the Commission
promulgated thereunder, all as the same shall be in effect at the time. 
 “Form
S-1” has the meaning set forth in Section 2.1.1. 

“Form S-3” has the meaning set forth in Section 2.3.

 “Founder Shares” has the meaning set forth in the Recitals. 

“Founders” has the meaning set forth in the Recitals. 

“Holder Indemnified Party” has the meaning set forth in Section 4.1. 

“Indemnified Party” has the meaning set forth in Section 4.3. 

“Indemnifying Party” has the meaning set forth in Section 4.3. 

“Insider Letters” means those certain letter agreements, each dated December [•], 2017, in one case by and among
the Company and each of the Founders, and in the other case by and among the Company and each of its executive officers and directors. 

“Insider Shares” has the meaning set forth in the Recitals. 

“Insiders” has the meaning set forth in the Recitals. 

  
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 “Lock-up Period” means, with
respect to the Registrable Securities, the period ending on the earlier of one year after the completion of the Company’s initial Business Combination or earlier if, subsequent to the Business Combination, the last sale price of the Common
Stock (x) equals or exceeds $12.00 per share (as adjusted for stock splits, stock dividends, reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period
commencing at least 150 days after the Company’s initial Business Combination, or (y) the date following the completion of the Company’s initial Business Combination on which the Company completes a liquidation, merger, stock exchange
or other similar transaction that results in all of the Company’s stockholders having the right to exchange their shares of Common Stock for cash, securities or other property, except in each case (a) to the Company’s officers or
directors, any affiliates or family members of any of the Company’s officers or directors, any members of a Holder (if applicable), or any affiliates of such person, (b) in the case of an individual, by gift to a member of one of the
members of the individual’s immediate family or to a trust, the beneficiary of which is a member of one of the individual’s immediate family, an affiliate of such person or to a charitable organization; (c) in the case of an
individual, by virtue of laws of descent and distribution upon death of the individual; (d) in the case of an individual, pursuant to a qualified domestic relations order; (e) by private sales or transfers made in connection with the
consummation of a Business Combination at prices no greater than the price at which the shares were originally purchased; (f) in the event of the Company’s liquidation prior to its completion of its initial Business Combination; or
(g) if applicable, by virtue of the laws of Delaware or a Holder’s limited liability company agreement upon dissolution of such Holder; provided, that in the case of clauses (a) through (e) these permitted transferees must
enter into a written agreement agreeing to be bound by these transfer restrictions; provided, further, that, in no case may the Lock-up Period terminate with respect to Registrable Securities
held by the Founders prior to the date which is 180 days from the effective date of the Registration Statement on Form S-1 filed by the Company with the Commission in connection with its initial public
offering. 
 “Maximum Number of Securities” has the meaning set forth in Section 2.1.4.

 “Misstatement” shall mean an untrue statement of a material fact or an omission to state a material fact required
to be stated in a Registration Statement or Prospectus or necessary to make the statements in a Registration Statement or Prospectus in the light of the circumstances under which they were made not misleading. 

“Notices” has the meaning set forth in Section 6.3. 

“Permitted Transferees” shall mean a person or entity to whom a Holder of Registrable Securities is permitted to
transfer such Registrable Securities prior to the expiration of the Lock-up Period, the Insider Letter and any other applicable agreement between such Holder and the Company, and to any transferee thereafter.

 “Piggyback Registration” has the meaning set forth in Section 2.2.1. 

“Private Placement Units” has the meaning set forth in the Recitals. 

“Private Shares” has the meaning set forth in the Recitals. 

“Private Warrants” has the meaning set forth in the Recitals. 

“Prospectus” shall mean the prospectus included in any Registration Statement, as supplemented by any and all
prospectus supplements and as amended by any and all post-effective amendments and including all material incorporated by reference in such prospectus. 

  
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 “Register,” “Registered” and
“Registration” mean a registration effected by preparing and filing a registration statement or similar document in compliance with the requirements of the Securities Act, and the applicable rules and regulations promulgated
thereunder, and such registration statement becoming effective. 
 “Registrable Securities” means (i) all of
the outstanding Founder Shares, (ii) all of the Insider Shares, (iii) all of the outstanding Private Placement Units and underlying securities, including the Private Shares, the Private Warrants, the Rights, the shares of Common Stock
issued or issuable upon the exercise of any Private Warrants, and the shares of Common Stock into which the Rights are convertible or converted, and (iv) any equity securities (including the shares of Common Stock issued or issuable upon the
exercise or conversion of any such equity security) of the Company issuable upon the conversion of any working capital loans made to the Company by a Holder, and (v) any outstanding share of Common Stock or any other equity security (including
shares of Common Stock issued or issuable upon the exercise of any such equity security) of the Company held by a Holder as of the date of this Agreement. Registrable Securities include any warrants, shares of capital stock or other securities of
the Company issued as a dividend or other distribution with respect to or in exchange for or in replacement of any of the securities described in the foregoing clauses (i) – (v). As to any particular Registrable Securities, such securities
shall cease to be Registrable Securities when: (a) a Registration Statement with respect to the sale of such securities shall have become effective under the Securities Act and such securities shall have been sold, transferred, disposed of or
exchanged in accordance with such Registration Statement; (b) such securities shall have been otherwise transferred, new certificates for them not bearing a legend restricting further transfer shall have been delivered by the Company and
subsequent public distribution of them shall not require registration under the Securities Act; (c) such securities shall have ceased to be outstanding; or (d) such securities are freely saleable under Rule 144 without volume limitations.

 “Registration Expenses” means the
out-of-pocket expenses of a Registration, including, without limitation, the following: 

(A) all registration and filing fees (including fees with respect to filings required to be made with the Financial Industry Regulatory
Authority) and any securities exchange on which the Common Stock is then listed; 
 (B) fees and expenses of compliance with securities or
blue sky laws (including reasonable fees and disbursements of counsel for the Underwriters in connection with blue sky qualifications of Registrable Securities); 

(C) printing, messenger, telephone and delivery expenses; 

(D) reasonable fees and disbursements of counsel for the Company; 

(E) reasonable fees and disbursements of all independent registered public accountants of the Company incurred specifically in connection with
such Registration; and 
 (F) reasonable fees and expenses of one (1) legal counsel selected by the majority-in-interest of the Demanding Holders initiating a Demand Registration to be registered for offer and sale in the applicable Registration. 

“Registration Statement” means a registration statement filed by the Company with the Commission in compliance with
the Securities Act and the rules and regulations promulgated thereunder for a public offering and sale of Common Stock (other than a registration statement on Form S-4 or Form
S-8, or their successors, or any registration statement covering only securities proposed to be issued in exchange for securities or assets of another entity). 

  
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 “Requesting Holder” has the meaning set forth in Section
2.1.1. 
 “Rights” has the meaning set forth in the Recitals. 

“Rule 144” means Rule 144 promulgated under the Securities Act. 

“Securities Act” means the Securities Act of 1933, as amended, and the rules and regulations of the Commission
promulgated thereunder, all as the same shall be in effect at the time. 
 “Underwriter” means a securities dealer
who purchases any Registrable Securities as principal in an underwritten offering and not as part of such dealer’s market-making activities. 

“Underwritten Registration” or “Underwritten Offering” means a Registration in which
securities of the Company are sold to an Underwriter in a firm commitment underwriting for distribution to the public. 

2. REGISTRATION RIGHTS. 

2.1 Demand Registration. 

2.1.1. Request for Registration. Subject to the provisions of Section 2.1.4 and
Section 2.4 hereof, at any time and from time to time on or after the date that the Company consummates a Business Combination, Cowen Investment or the Holders of at least a majority-in-interest of the then-outstanding number of Registrable Securities (the “Demanding Holders”) may make a written demand for Registration under the Securities Act of all or
part of their Registrable Securities, which written demand shall describe the amount and type of securities to be included in such Registration and the intended method(s) of distribution thereof (such written demand, a “Demand
Registration”). The Company shall, within ten (10) days of the Company’s receipt of the Demand Registration, notify, in writing, all other Holders of Registrable Securities of such demand, and each Holder of Registrable
Securities who thereafter wishes to include all or a portion of such Holder’s Registrable Securities in the Demand Registration (each such Holder that includes all or a portion of such Holder’s Registrable Securities in such Registration,
a “Requesting Holder”) shall so notify the Company, in writing, within five (5) days after the receipt by the Holder of the notice from the Company. Upon receipt by the Company of any such written notification from a
Requesting Holder, such Requesting Holder shall be entitled to have its Registrable Securities included in a Registration pursuant to a Demand Registration, and the Company shall effect, as soon thereafter as practicable, but not more than
forty-five (45) days immediately after the Company’s receipt of the Demand Registration, the Registration of all Registrable Securities requested by the Demanding Holders and the Requesting Holders pursuant to such Demand Registration.
Under no circumstances shall the Company be obligated to effect more than an aggregate of two (2) Registrations pursuant to a Demand Registration under this Section 2.1.1 (not counting any Demand Registration initiated
solely by Cowen Investments), subject to the limitations set forth in Section 3.6 of this Agreement; provided, that a Registration shall not be counted for such purposes unless a Form
S-1 or any similar long-form registration statement that may be available at such time (“Form S-1”) has become effective and all of the
Registrable Securities requested by the Requesting Holders to be registered on behalf of the Requesting Holders in such Form S-1 Registration have been sold, in accordance with
Section 3.1 of this Agreement. 

  
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 2.1.2. Effective Registration. Notwithstanding the provisions of
Section 2.1.1 above or any other part of this Agreement, a Registration pursuant to a Demand Registration will not count as a Registration unless and until (i) a Form S-1 filed
with the Commission in connection with the Registration has been declared effective by the Commission, and (ii) the Company has complied with all of its obligations under this Agreement with respect thereto; provided, that if, after such
Registration Statement has been declared effective, the offering of Registrable Securities pursuant to a Demand Registration is interfered with by any stop order or injunction of the Commission or any other governmental agency or court, the
Registration Statement with respect to such Demand Registration will be deemed not to have been declared effective, unless and until, (i) such stop order or injunction is removed, rescinded or otherwise terminated, and (ii) a majority-in-interest of the Demanding Holders initiating such Demand Registration thereafter affirmatively elect to continue with such Registration and accordingly notify the
Company in writing of such election, which notice shall be received by the Company not later than five (5) days after the removal of any such stop order or injunction; provided, further, that the Company shall not be obligated to
file a second Registration Statement until a Registration Statement that has been previously filed pursuant to a Demand Registration becomes effective or is terminated. 

2.1.3. Underwritten Offering. Subject to the provisions of Section 2.1.4 and
Section 2.4 hereof, if a majority-in-interest of the Demanding Holders so advise the Company as part of their Demand Registration that the
offering of Registrable Securities pursuant thereto shall be in the form of an Underwritten Offering, then the right of such Demanding Holder or Requesting Holder (if any) to include its Registrable Securities in such Registration shall be
conditioned upon such Holder’s participation in such Underwritten Offering and the inclusion of such Holder’s Registrable Securities in such Underwritten Offering to the extent provided herein. All such Holders proposing to distribute
their Registrable Securities through an Underwritten Offering under this Section 2.1.3 shall enter into an underwriting agreement in customary form with the Underwriter(s) selected for such Underwritten Offering by a majority-in-interest of the Demanding Holders initiating the Demand Registration. 

2.1.4. Reduction of Underwritten Offering. If the managing Underwriter(s) for a Demand Registration that is to be an Underwritten
Offering, in good faith, advises the Company, the Demanding Holders and the Requesting Holders in writing that the dollar amount or number of Registrable Securities which the Demanding Holders and Requesting Holders desire to sell, taken together
with all other shares of Common Stock or other equity securities which the Company desires to sell and the shares of Common Stock, if any, as to which a Registration has been requested pursuant to separate written contractual piggy-back registration
rights held by other stockholders of the Company who desire to sell, exceeds the maximum dollar amount or maximum number of equity securities that can be sold in such Underwritten Offering without adversely affecting the proposed offering price, the
timing, the distribution method, or the probability of success of such Underwritten Offering (such maximum dollar amount or maximum number of securities, as applicable, the “Maximum Number of Securities”), then the Company
shall include in such Underwritten Offering, as follows: (i) first, the Registrable Securities of the Demanding Holders and the Requesting Holders (if any) (pro rata based on the respective number of Registrable Securities that each
Demanding Holder and Requesting Holder (if any) has requested be included in such Underwritten Registration and the aggregate number of Registrable Securities that the Demanding Holders and Requesting Holders have requested be included in such
Underwritten Registration (such proportion is referred to herein as “Pro Rata”)) that can be sold without exceeding the Maximum Number of Securities; (ii) second, to the extent that the Maximum Number of Securities has
not been reached under the foregoing clause (i), the Registrable Securities of Holders (Pro Rata, based on the respective number of Registrable Securities that each Holder has so requested exercising their rights to register their Registrable
Securities pursuant to Section 2.2.1 hereof, without exceeding the Maximum Number of Securities; (iii) third, to the extent that the Maximum Number of Securities has not been reached under the foregoing clauses (i) and (ii),
the Common Stock or other equity securities that the Company desires to sell, which can be sold without exceeding the Maximum Number of Securities; and (iv) fourth, to the extent that the Maximum Number of Securities has not been reached under
the foregoing clauses (i), (ii) and (iii), the Common Stock or other equity securities of other persons or entities that the Company is obligated to register in a Registration pursuant to separate written contractual arrangements with such
persons and that can be sold without exceeding the Maximum Number of Securities. 

  
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 2.1.5. Withdrawal. Cowen Investments, a majority-in-interest of the Demanding Holders initiating a Demand Registration or a majority-in-interest of the Requesting
Holders (if any), pursuant to a Registration under Section 2.1.1 shall have the right to withdraw from a Registration pursuant to such Demand Registration for any or no reason whatsoever upon written notification to the Company and the
Underwriter(s), if any, of their intention to withdraw from such Registration prior to the effectiveness of the Registration Statement filed with the Commission with respect to the Registration of their Registrable Securities pursuant to such Demand
Registration. Notwithstanding anything to the contrary in this Agreement, the Company shall be responsible for the Registration Expenses incurred in connection with a Registration pursuant to a Demand Registration prior to its withdrawal under
this Section 2.1.5; provided that if the Company pays such expenses related to a Demand Registration initiated by Cowen Investments, such registration shall count as a Demand Registration for purposes of
Section 3.6. 
 2.2 Piggy-Back Registration. 

2.2.1. Piggy-Back Rights. If at any time on or after the date the Company consummates a Business Combination the Company proposes
to file a Registration Statement under the Securities Act with respect to an offering of equity securities, or securities or other obligations exercisable or exchangeable for, or convertible into, equity securities, by the Company for its own
account or for stockholders of the Company for their account (or by the Company and by stockholders of the Company including, without limitation, pursuant to Section 2.1), other than a Registration Statement (i) filed
in connection with any employee stock option or other benefit plan, (ii) for an exchange offer or offering of securities solely to the Company’s existing stockholders, (iii) for an offering of debt that is convertible into equity
securities of the Company, or (iv) for a dividend reinvestment plan, then the Company shall (x) give written notice of such proposed filing to the holders of Registrable Securities as soon as practicable but in no event less than ten
(10) days before the anticipated filing date, which notice shall describe the amount and type of securities to be included in such offering, the intended method(s) of distribution, and the name of the proposed managing Underwriter or
Underwriters, if any, of the offering, and (y) offer to the holders of Registrable Securities in such notice the opportunity to register the sale of such number of shares of Registrable Securities as such holders may request in writing within
five (5) days following receipt of such notice (a “Piggyback Registration”). The Company shall, in good faith, cause such Registrable Securities to be included in such Registration and shall use its best efforts to cause
the managing Underwriter(s) of a proposed Underwritten Offering to permit the Registrable Securities requested to be included in a Piggyback Registration on the same terms and conditions as any similar securities of the Company and to permit the
sale or other disposition of such Registrable Securities in accordance with the intended method(s) of distribution thereof. All holders of Registrable Securities proposing to distribute their securities through a Piggy-Back Registration that
involves an Underwriter(s) shall enter into an underwriting agreement in customary form with the Underwriter(s) selected for such Piggyback Registration. 

2.2.2. Reduction of Piggyback Registration. If the managing Underwriter(s) for a Piggyback Registration that is to be an
Underwritten Offering, in good faith, advises the Company and the Holders of Registrable Securities participating in the Piggyback Registration in writing that the dollar amount or number of securities which the Company desires to sell, taken
together with (i) the Common Stock, if any, as to which Registration has been demanded pursuant to separate written contractual arrangements with persons or entities other than the Holders of Registrable Securities hereunder, (ii) the
Registrable Securities as to which Registration has been requested under this Section 2.2, and (iii) the Common Stock, if any, as to which Registration has been requested pursuant to separate written contractual
piggyback registration rights of other stockholders of the Company, exceeds the Maximum Number of Securities, then: 

  
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 a) If the Registration is undertaken for the Company’s account, the Company shall include
in any such Registration (A) first, the Common Stock or other equity securities that the Company desires to sell, which can be sold without exceeding the Maximum Number of Securities; (B) second, to the extent that the Maximum Number of
Securities has not been reached under the foregoing clause (A), the Registrable Securities of Holders exercising their rights to register their Registrable Securities pursuant to Section 2.2.1 hereof, Pro Rata, which can be sold
without exceeding the Maximum Number of Securities; and (C) third, to the extent that the Maximum Number of Securities has not been reached under the foregoing clauses (A) and (B), the Common Stock, if any, as to which Registration has
been requested pursuant to written contractual piggyback registration rights of other stockholders of the Company, which can be sold without exceeding the Maximum Number of Securities; and 

b) If the Registration is pursuant to a request by persons or entities other than the Holders of Registrable Securities, then the Company
shall include in any such Registration (A) first, the Common Stock or other equity securities, if any, of such requesting persons or entities, other than the Holders of Registrable Securities, which can be sold without exceeding the Maximum
Number of Securities; (B) second, to the extent that the Maximum Number of Securities has not been reached under the foregoing clause (A), the Registrable Securities of Holders exercising their rights to register their Registrable Securities
pursuant to Section 2.2.1, Pro Rata based on the number of Registrable Securities that each Holder has requested be included in such Underwritten Registration and the aggregate number of Registrable Securities that the Holders have
requested to be included in such Underwritten Registration, which can be sold without exceeding the Maximum Number of Securities; (C) third, to the extent that the Maximum Number of Securities has not been reached under the foregoing clauses
(A) and (B), the Common Stock or other equity securities that the Company desires to sell, which can be sold without exceeding the Maximum Number of Securities; and (D) fourth, to the extent that the Maximum Number of Securities has not
been reached under the foregoing clauses (A), (B) and (C), the Common Stock or other equity securities for the account of other persons or entities that the Company is obligated to register pursuant to separate written contractual arrangements
with such persons or entities, which can be sold without exceeding the Maximum Number of Securities. 
 2.2.3. Piggyback Registration
Withdrawal. Any Holder of Registrable Securities shall have the right to withdraw from a Piggyback Registration for any or no reason whatsoever upon written notification to the Company and the Underwriter(s) of his, her or its intention to
withdraw from such Piggyback Registration prior to the effectiveness of the Registration Statement filed with the Commission with respect to such Piggyback Registration. The Company (whether on its own good faith determination or as the result of a
request for withdrawal by persons pursuant to separate written contractual obligations) may withdraw a Registration Statement filed with the Commission in connection with a Piggyback Registration at any time prior to the effectiveness of such
Registration Statement. Notwithstanding anything to the contrary in this Agreement, the Company shall be responsible for the Registration Expenses incurred in connection with the Piggyback Registration prior to its withdrawal under
this Section 2.2.3. 

  
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 2.2.4. Unlimited Piggyback Registration Rights. For purposes of clarity, any
Registration effected pursuant to Section 2.2 hereof shall not be counted as a Registration pursuant to a Demand Registration effected under Section 2.1 hereof.

2.3 Registrations on Form S-3. The Holders of Registrable Securities may at any time, and
from time to time, request in writing that the Company, pursuant to Rule 415 under the Securities Act (or any successor rule promulgated thereafter by the Commission), register the resale of any or all of their Registrable Securities on Form S-3 or any similar short-form registration statement that may be available at such time (“Form S-3”); provided, that the Company shall
not be obligated to effect such request through an Underwritten Offering. Within five (5) days of the Company’s receipt of a written request from a Holder or Holders of Registrable Securities for a Registration on Form S-3, the Company shall promptly give written notice of the proposed Registration on Form S-3 to all other Holders of Registrable Securities, and each Holder of Registrable
Securities who thereafter wishes to include all or a portion of such Holder’s Registrable Securities in such Registration on Form S-3 shall so notify the Company, in writing, within ten (10) days
after the receipt by the Holder of the notice from the Company. As soon as practicable thereafter, but not more than twelve (12) days after the Company’s initial receipt of such written request for a Registration on Form S-3, the Company shall register all or such portion of such Holder’s Registrable Securities as are specified in such written request, together with all or such portion of Registrable Securities of any other
Holder or Holders joining in such request as are specified in the written notification given by such Holder or Holders; provided, that the Company shall not be obligated to effect any such Registration pursuant to Section
2.3 hereof if (i) a Form S-3 is not available for such offering; or (ii) the Holders of Registrable Securities, together with the Holders of any other equity securities of the Company
entitled to inclusion in such Registration, propose to sell the Registrable Securities and such other equity securities (if any) at any aggregate price to the public of less than $5,000,000. Registrations effected pursuant to this
Section 2.3 shall not be counted as Demand Registrations effected pursuant to Section 2.1; provided such registration shall count for purposes of Section 3.5 if
initiated by Cowen Investments. 
 2.4 Restrictions on Registration Rights. If (A) during the period starting with the date
sixty (60) days prior to the Company’s good faith estimate of the date of the filing of, and ending on a date one hundred and twenty (120) days after the effective date of, a Company initiated Registration and provided that the
Company has delivered written notice to the Holders prior to receipt of a Demand Registration pursuant to Section 2.1.1 and it continues to actively employ, in good faith, all reasonable efforts to cause the applicable Registration
Statement to become effective; (B) the Holders have requested an Underwritten Registration and the Company and the Holders are unable to obtain the commitment of underwriters to firmly underwrite the offer; or (C) in the good faith
judgment of the Board such Registration would be seriously detrimental to the Company and the Board concludes as a result that it is essential to defer the filing of such Registration Statement at such time, then in each case the Company shall
furnish to such Holders a certificate signed by the Chairman of the Board stating that in the good faith judgment of the Board it would be seriously detrimental to the Company for such Registration Statement to be filed in the near future and that
it is therefore essential to defer the filing of such Registration Statement. In such event, the Company shall have the right to defer such filing for a period of not more than thirty (30) days; provided, that the Company may not
defer its obligation in this manner more than once in any 12-month period. 

  
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 3. REGISTRATION PROCEDURES. 

3.1 Filings; Information. Whenever the Company is required to effect the registration of any Registrable Securities pursuant to
Section 2, the Company shall use its best efforts to effect the Registration to permit the sale of such Registrable Securities in accordance with the intended plan of distribution thereof as expeditiously as practicable,
and in connection with any such request: 
 3.1.1 prepare and file with the Commission as soon as practicable a Registration Statement with
respect to such Registrable Securities and use its reasonable best efforts to cause such Registration Statement to become effective and remain effective until all Registrable Securities covered by such Registration Statement have been sold; 

3.1.2 prepare and file with the Commission such amendments and post-effective amendments to the Registration Statement, and such supplements to
the Prospectus, as may be requested by the Holders or any Underwriter of Registrable Securities or as may be required by the rules, regulations or instructions applicable to the registration form used by the Company or by the Securities Act or rules
and regulations thereunder to keep the Registration Statement effective until all Registrable Securities covered by such Registration Statement are sold in accordance with the intended plan of distribution set forth in such Registration Statement or
supplement to the Prospectus; 
 3.1.3 prior to filing a Registration Statement or prospectus, or any amendment or supplement thereto,
furnish without charge to the Underwriters, if any, and the Holders of Registrable Securities included in such Registration, and such Holders’ legal counsel, copies of such Registration Statement as proposed to be filed, each amendment and
supplement to such Registration Statement (in each case including all exhibits thereto and documents incorporated by reference therein), the Prospectus included in such Registration Statement (including each preliminary Prospectus), and such other
documents as the Underwriters and the Holders of Registrable Securities included in such Registration or the legal counsel for any such Holders may request in order to facilitate the disposition of the Registrable Securities owned by such Holders;

 3.1.4 prior to any public offering of Registrable Securities, use its best efforts to (i) register or qualify the Registrable
Securities covered by the Registration Statement under such securities or “blue sky” laws of such jurisdictions in the United States as the Holders of Registrable Securities included in such Registration Statement (in light of their
intended plan of distribution) may request, and (ii) take such action necessary to cause such Registrable Securities covered by the Registration Statement to be registered with or approved by such other governmental authorities as may be
necessary by virtue of the business and operations of the Company and do any and all other acts and things that may be necessary or advisable to enable the Holders of Registrable Securities included in such Registration Statement to consummate the
disposition of such Registrable Securities in such jurisdictions; provided, that the Company shall not be required to qualify generally to do business in any jurisdiction where it would not otherwise be required to qualify or take
any action to which it would be subject to general service of process or taxation in any such jurisdiction where it is not then otherwise so subject; 

3.1.5 cause all such Registrable Securities to be listed on each securities exchange or automated quotation system on which similar securities
issued by the Company are then listed; 
 3.1.6 provide a transfer agent or warrant agent, as applicable, and registrar for all such
Registrable Securities no later than the effective date of such Registration Statement; 
 3.1.7 advise each seller of such Registrable
Securities, promptly after it shall receive notice or obtain knowledge thereof, of the issuance of any stop order by the Commission suspending the effectiveness of such Registration Statement or the initiation or threatening of any proceeding for
such purpose and promptly use its reasonable best efforts to prevent the issuance of any stop order or to obtain its withdrawal if such stop order should be issued; 

  
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 3.1.8 at least five (5) days prior to the filing of any Registration Statement or Prospectus
or any amendment or supplement to such Registration Statement or Prospectus or any document that is to be incorporated by reference into such Registration Statement or Prospectus, furnish a copy thereof to each seller of such Registrable Securities
or its counsel; 
 3.1.9 notify the Holders at any time when a Prospectus relating to such Registration Statement is required to be delivered
under the Securities Act, of the happening of any event as a result of which the Prospectus included in such Registration Statement, as then in effect, includes a Misstatement, and then to correct such Misstatement as set forth in Section
3.4 hereof; 
 3.1.10 permit a representative of the Holders (such representative to be selected by a majority of the participating
holders), the Underwriters, if any, and any attorney or accountant retained by such Holders or Underwriter to participate, at each such person’s own expense, in the preparation of the Registration Statement, and cause the Company’s
officers, directors and employees to supply all information reasonably requested by any such representative, Underwriter, attorney or accountant in connection with the Registration; provided, that such representatives or
Underwriters enter into a confidentiality agreement, in form and substance reasonably satisfactory to the Company, prior to the release or disclosure of any such information; 

3.1.11 obtain a “cold comfort” letter from the Company’s independent registered public accountants in the event of an
Underwritten Registration, in customary form and covering such matters of the type customarily covered by “cold comfort” letters as the managing Underwriter may reasonably request, and may be found reasonably satisfactory to a majority-in-interest of the participating Holders; 
 3.1.12 on the
date the Registrable Securities are delivered for sale pursuant to such Registration, obtain an opinion, dated such date, of counsel representing the Company for the purposes of such Registration, addressed to the Holders, the placement agent or
sales agent, if any, and the Underwriters, if any, covering such legal matters with respect to the Registration in respect of which such opinion is being given as the Holders, placement agent, sales agent, or Underwriter may reasonably request and
as are customarily included in such opinions and negative assurance letters, and may be found reasonably satisfactory to a majority in interest of the participating Holders; 

3.1.13 in the event of any Underwritten Offering, enter into and perform its obligations under an underwriting agreement, in usual and
customary form, with the managing Underwriter of such offering; 
 3.1.14 make available to its security holders, as soon as reasonably
practicable, an earnings statement covering the period of at least twelve (12) months beginning with the first day of the Company’s first full calendar quarter after the effective date of the Registration Statement which satisfies the
provisions of Section 11(a) of the Securities Act and Rule 158 thereunder (or any successor rule promulgated thereafter by the Commission); 

3.1.15 if the Registration involves the Registration of Registrable Securities involving gross proceeds in excess of $25,000,000, use its
reasonable efforts to make available senior executives of the Company to participate in customary “road show” presentations that may be reasonably requested by the Underwriter in any Underwritten Offering; and 

3.1.16 otherwise, in good faith, cooperate reasonably with, and take such customary actions as may reasonably be requested by the Holders, in
connection with such Registration. 
 3.2 Registration Expenses. The Registration Expenses of all Registrations shall be borne by
the Company. It is acknowledged by the Holders that the Holders shall bear all incremental selling expenses relating to the sale of Registrable Securities, such as Underwriters’ commissions and discounts, brokerage fees, Underwriter marketing
costs and, other than as set forth in the definition of “Registration Expenses”, all reasonable fees and expenses of any legal counsel representing the Holders. 

  
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 3.3 Requirements for Participation in Underwritten Offerings. No person may
participate in any Underwritten Offering for equity securities of the Company pursuant to a Registration initiated by the Company hereunder unless such person (i) agrees to sell such person’s securities on the basis provided in any
underwriting arrangements approved by the Company, and (ii) completes and executes all customary questionnaires, powers of attorney, indemnities, lock-up agreements, underwriting agreements and other
customary documents as may be reasonably required under the terms of such underwriting arrangements. 
 3.4 Suspension of Sales;
Adverse Disclosure. Upon receipt of written notice from the Company that a Registration Statement or Prospectus contains a Misstatement, each of the Holders shall forthwith discontinue disposition of Registrable Securities until it has received
copies of a supplemented or amended Prospectus correcting the Misstatement (it being understood that the Company hereby covenants to prepare and file such supplement or amendment as soon as practicable after the time of such notice), or until it is
advised in writing by the Company that the use of the Prospectus may be resumed. If the filing, initial effectiveness or continued use of a Registration Statement in respect of any Registration at any time would require the Company to make an
Adverse Disclosure or would require the inclusion in such Registration Statement of financial statements that are unavailable to the Company for reasons beyond the Company’s control, the Company may, upon giving prompt written notice of such
action to the Holders, delay the filing or initial effectiveness of, or suspend use of, such Registration Statement for the shortest period of time, but in no event more than thirty (30) days, determined in good faith by the Company to be
necessary for such purpose. In the event the Company exercises its rights under the preceding sentence, the Holders agree to suspend, immediately upon their receipt of the notice referred to above, their use of the Prospectus relating to any
Registration in connection with any sale or offer to sell Registrable Securities. The Company shall immediately notify the Holders of the expiration of any period during which it exercised its rights under this Section 3.4. 

3.5 Reporting Obligations. As long as any Holder shall own Registrable Securities, the Company, at all times while it shall be
reporting under the Exchange Act, covenants to file timely (or obtain extensions in respect thereof and file within the applicable grace period) all reports required to be filed by the Company after the date hereof pursuant to Sections 13(a) or
15(d) of the Exchange Act and to promptly furnish the Holders with true and complete copies of all such filings. The Company further covenants that it shall take such further action as any Holder may reasonably request, all to the extent required
from time to time to enable such Holder to sell shares of the Common Stock held by such Holder without registration under the Securities Act within the limitation of the exemptions provided by Rule 144 promulgated under the Securities Act (or any
successor rule promulgated thereafter by the Commission), including providing any legal opinions. Upon the request of any Holder, the Company shall deliver to such Holder a written certification of a duly authorized officer as to whether it has
complied with such requirements. 
 3.6 Limitations on Registration Rights. Notwithstanding anything herein to the contrary, each
of (i) Cowen Investments, Silverberg and Bernstein may not exercise its or his rights under Sections 2.1 and 2.2 hereunder after five (5) and seven (7) years after the effective date of the registration statement
relating to the Company’s initial public offering, respectively, and (ii) Cowen Investments, Silverberg and Bernstein may not exercise its or his rights under Section 2.1 more than one time. 

  
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 4. INDEMNIFICATION AND CONTRIBUTION. 

4.1 Indemnification by the Company. The Company agrees to indemnify, to the extent permitted by law, and hold harmless each Holder
of Registrable Securities, its officers and directors, and each person who controls such Holder (within the meaning of the Securities Act), from and against any expenses, losses, judgments, claims, damages or liabilities (including reasonable
attorney’s fees), whether joint or several, arising out of or based upon any untrue or alleged untrue statement of material fact contained in any Registration Statement, Prospectus or preliminary Prospectus, or any amendment or supplement to
any of them, or any omission or alleged omission of a material fact required to be stated therein or necessary to make the statements therein not misleading, except insofar as the same are caused by or contained in any information furnished in
writing to the Company by the Holder expressly for use therein. The Company also shall indemnify any Underwriter of the Registrable Securities, their officers and directors, and each person who controls such Underwriter (within the meaning of the
Securities Act) on substantially the same basis as that of the indemnification provided above in this Section 4.1. 

4.2 Indemnification by Holders of Registrable Securities. In connection with any Registration Statement in which a Holder of Registrable
Securities is participating, such Holder shall furnish to the Company in writing such information and affidavits as the Company reasonably requests for use in connection with any such Registration Statement or Prospectus and, to the extent permitted
by law, shall indemnify the Company, its directors and officers and agents and each person who controls the Company (within the meaning of the Securities Act) against any losses, claims, damages, liabilities and expenses (including without
limitation reasonable attorneys’ fees) resulting from any untrue statement of material fact contained in the Registration Statement, Prospectus or preliminary Prospectus or any amendment thereof or supplement thereto or any omission of a
material fact required to be stated therein or necessary to make the statements therein not misleading, but only to the extent that such untrue statement or omission is contained in any information or affidavit so furnished in writing by such Holder
expressly for use therein; provided, that the obligation to indemnify shall be several, not joint and several, among such Holders of Registrable Securities, and the liability of each such Holder of Registrable Securities shall be
in proportion to and limited to the net proceeds received by such Holder from the sale of Registrable Securities pursuant to such Registration Statement. The Holders of Registrable Securities shall indemnify the Underwriters, their officers,
directors and each person who controls such Underwriters (within the meaning of the Securities Act) to the same extent as provided in the foregoing with respect to indemnification of the Company. 

4.3 Conduct of Indemnification Proceedings. Any person entitled to indemnification herein shall (i) give prompt written notice to
the indemnifying party of any claim with respect to which it seeks indemnification (provided that the failure to give prompt notice shall not impair any person’s right to indemnification hereunder to the extent such failure has not materially
prejudiced the indemnifying party), and (ii) unless in such indemnified party’s reasonable judgment a conflict of interest between such indemnified and indemnifying parties may exist with respect to such claim, permit such indemnifying
party to assume the defense of such claim with counsel reasonably satisfactory to the indemnified party. If such defense is assumed, the indemnifying party shall not be subject to any liability for any settlement made by the indemnified party
without its consent. An indemnifying party who is not entitled to, or elects not to, assume the defense of a claim shall not be obligated to pay the fees and expenses of more than one counsel for all parties indemnified by such indemnifying party
with respect to such claim, unless in the reasonable judgment of any indemnified party a conflict of interest may exist between such indemnified party and any other of such indemnified parties with respect to such claim. No indemnifying party shall,
without the consent of the indemnified party, consent to the entry of any judgment or enter into any settlement which cannot be settled in all respects by the payment of money (and such money is so paid by the indemnifying party pursuant to the
terms of such settlement) or which settlement 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. 

  
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 4.4 Contribution. If the indemnification provided under Section 4.1 hereof
from the indemnifying party is unavailable or insufficient to hold harmless an indemnified party in respect of any losses, claims, damages, liabilities and expenses referred to herein, then the indemnifying party, in lieu of indemnifying the
indemnified party, shall contribute to the amount paid or payable by the indemnified party as a result of such losses, claims, damages, liabilities and expenses in such proportion as is appropriate to reflect the relative fault of the indemnifying
party and the indemnified party, as well as any other relevant equitable considerations. The relative fault of the indemnifying party and indemnified party shall be determined by reference to, among other things, whether any action in question,
including any untrue or alleged untrue statement of a material fact or omission or alleged omission to state a material fact, was made by, or relates to information supplied by, such indemnifying party or indemnified party, and the indemnifying
party’s and indemnified party’s relative intent, knowledge, access to information and opportunity to correct or prevent such action; provided, that the liability of any Holder under this Section 4.4 shall be limited
to the amount of the net proceeds received by such Holder in such offering giving rise to such liability. The amount paid or payable by a party as a result of the losses or other liabilities referred to above shall be deemed to include, subject to
the limitations set forth in Sections 4.1-4.3 above, any legal or other fees, charges or expenses reasonably incurred by such party in connection with any investigation or proceeding. The
parties hereto agree that it would not be just and equitable if contribution pursuant to this Section 4.4 were determined by pro rata allocation or by any other method of allocation, which does not take account of the equitable
considerations referred to in this Section 4.4. No person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution pursuant to this Section 4.4 from
any person who was not guilty of such fraudulent misrepresentation. 
 4.4 Survival. The indemnification provided for under this
Agreement shall remain in full force and effect regardless of any investigation made by or on behalf of the indemnified party or any officer, director or controlling person of such indemnified party and shall survive the transfer of securities. The
Company and each Holder of Registrable Securities participating in an offering also agrees to make such provisions as are reasonably requested by any indemnified party for contribution to such party in the event the Company’s or such
Holder’s indemnification is unavailable for any reason. 
 5. UNDERWRITING AND DISTRIBUTION. 

5.1 Rule 144. The Company covenants that it shall file any reports required to be filed by it under the Securities Act and the
Exchange Act and shall take such further action as the holders of Registrable Securities may reasonably request, all to the extent required from time to time to enable such holders to sell Registrable Securities without registration under the
Securities Act within the limitation of the exemptions provided by Rule 144 under the Securities Act, as such rules may be amended from time to time, or any similar rule or regulation hereafter adopted by the Commission. 

6. MISCELLANEOUS. 

6.1 Assignment; No Third Party Beneficiaries. 

6.1.1 This Agreement and the rights, duties and obligations of the Company hereunder may not be assigned or delegated by the Company in whole
or in part. 
 6.1.2 Prior to the expiration of the Lock-up Period, no Holder may assign or delegate
such Holder’s rights, duties or obligations under this Agreement, in whole or in part, except in connection with a transfer of Registrable Securities by such Holder to a Permitted Transferee, but only if such Permitted Transferee agrees to
become bound by the transfer restrictions set forth in this Agreement and other applicable letter agreements. 

  
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 6.1.3 This Agreement and the provisions hereof shall be binding upon and shall inure to the
benefit of each of the parties and its successors and the permitted assigns of the Holders, which shall include Permitted Transferees. 

6.1.4 This Agreement shall not confer any rights or benefits on any persons that are not parties hereto, other than as expressly set forth in
this Agreement. 
 6.1.5 No assignment by any party hereto of such party’s rights, duties and obligations hereunder shall be binding
upon or obligate the Company unless and until the Company shall have received (i) written notice of such assignment, and (ii) the written agreement of the assignee, in a form reasonably satisfactory to the Company, to be bound by the terms
and provisions of this Agreement (which may be accomplished by an addendum or certificate of joinder to this Agreement). Any transfer or assignment made other than as provided in this Section 6.2 shall be null and void. 

6.2 Notices. All notices, demands, requests, consents, approvals or other communications (collectively,
“Notices”) required or permitted to be given hereunder or which are given with respect to this Agreement shall be in writing and shall be personally served, delivered by reputable air courier service with charges prepaid, or
transmitted by hand delivery, telegram, telex or facsimile, addressed as set forth below, or to such other address as such party shall have specified most recently by written notice. Notice shall be deemed given on the date of service or
transmission if personally served or transmitted by telegram, telex or facsimile; provided, that if such service or transmission is not on a business day or is after normal business hours, then such notice shall be deemed given on the next business
day. Notice otherwise sent as provided herein shall be deemed given on the next business day following timely delivery of such notice to a reputable air courier service with an order for next-day delivery.

 To the Company: 

GigCapital, Inc. 

4 Palo Alto Square, Suite 232 

3000 El Camino Real 

Palo Alto, CA 94306 

Attn: Dr. Avi S. Katz 

With a copy to: 

Crowell & Moring LLP 

3 Embarcadero Center, 26th Floor 

San Francisco, CA 94111

Attn: Jeffrey C. Selman, Esq. 

And to Holder, to the address set forth below such Holder’s name on Exhibit A hereto. 

6.4 Severability. This Agreement shall be deemed severable, and the invalidity or unenforceability of any term or provision hereof
shall not affect the validity or enforceability of this Agreement or of any other term or provision hereof. Furthermore, in lieu of any such invalid or unenforceable term or provision, the parties hereto intend that there shall be added as a part of
this Agreement a provision as similar in terms to such invalid or unenforceable provision as may be possible that is valid and enforceable. 

6.5 Counterparts. This Agreement may be executed in multiple counterparts, each of which shall be deemed an original, and all of
which taken together shall constitute one and the same instrument. 

  
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 6.6 Entire Agreement. This Agreement (including all agreements entered into pursuant
hereto and all certificates and instruments delivered pursuant hereto and thereto) constitute the entire agreement of the parties with respect to the subject matter hereof and supersede all prior and contemporaneous agreements, representations,
understandings, negotiations and discussions between the parties, whether oral or written. 
 6.7 Modifications and Amendments.
Upon the written consent of the Company and the Holders of at least a majority in interest of the Registrable Securities at the time in question, compliance with any of the provisions, covenants and conditions set forth in this Agreement may be
waived, or any of such provisions, covenants or conditions may be amended or modified; provided, that notwithstanding the foregoing, any amendment hereto or waiver hereof that adversely affects one Holder, solely in its capacity as
a holder of the shares of capital stock of the Company, in a manner that is materially different from the other Holders (in such capacity) shall require the consent of the Holder so affected. No course of dealing between any Holder or the Company
and any other party hereto or any failure or delay on the part of a Holder or the Company in exercising any rights or remedies under this Agreement shall operate as a waiver of any rights or remedies of any Holder or the Company. No single or
partial exercise of any rights or remedies under this Agreement by a party shall operate as a waiver or preclude the exercise of any other rights or remedies hereunder or thereunder by such party. 

6.8 Titles and Headings. Titles and headings of sections of this Agreement are for convenience only and shall not affect the
construction of any provision of this Agreement. 
 6.9 Waivers and Extensions. Any party to this Agreement may waive any right,
breach or default which such party has the right to waive, provided that such waiver will not be effective against the waiving party unless it is in writing, is signed by such party, and specifically refers to this Agreement. Waivers may be
made in advance or after the right waived has arisen or the breach or default waived has occurred. Any waiver may be conditional. No waiver of any breach of any agreement or provision herein contained shall be deemed a waiver of any preceding or
succeeding breach thereof nor of any other agreement or provision herein contained. No waiver or extension of time for performance of any obligations or acts shall be deemed a waiver or extension of the time for performance of any other obligations
or acts. 
 6.10 Remedies Cumulative. In the event that the Company fails to observe or perform any covenant or agreement to be
observed or performed under this Agreement, the Investors or any other holder of Registrable Securities may proceed to protect and enforce its rights by suit in equity or action at law, whether for specific performance of any term contained in this
Agreement or for an injunction against the breach of any such term or in aid of the exercise of any power granted in this Agreement or to enforce any other legal or equitable right, or to take any one or more of such actions, without being required
to post a bond. None of the rights, powers or remedies conferred under this Agreement shall be mutually exclusive, and each such right, power or remedy shall be cumulative and in addition to any other right, power or remedy, whether conferred by
this Agreement or now or hereafter available at law, in equity, by statute or otherwise. 
 6.11 Governing Law. This Agreement
shall be governed by, interpreted under, and construed in accordance with the internal laws of the State of New York applicable to agreements made and to be performed within the State of New York, without giving effect to any choice-of-law provisions thereof that would compel the application of the substantive laws of any other jurisdiction. 

  
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 6.12 Waiver of Trial by Jury. Each party hereby irrevocably and unconditionally
waives the right to a trial by jury in any action, suit, counterclaim or other proceeding (whether based on contract, tort or otherwise) arising out of, connected with or relating to this Agreement, the transactions contemplated hereby, or the
actions of the Investors in the negotiation, administration, performance or enforcement hereof. 
 6.13 Term. This Agreement shall
terminate upon the earlier of (i) the tenth anniversary of the date of this Agreement, or (ii) the date as of which (A) all of the Registrable Securities have been sold pursuant to a Registration Statement (but in no event prior to
the applicable period referred to in Section 4(a)(3) of the Securities Act and Rule 174 thereunder (or any successor rule promulgated thereafter by the Commission)), or (B) the Holders of all Registrable Securities are permitted to sell
the Registrable Securities under Rule 144 (or any similar provision) under the Securities Act without limitation on the amount of securities sold or the manner of sale. The provisions of Section 3.5 and Article IV shall survive any
termination. 
 [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK] 

  
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 IN WITNESS WHEREOF, the parties have caused this Registration Rights Agreement to be executed and
delivered by their duly authorized representatives as of the date first written above. 
  

	
	THE COMPANY:
	
	GIGCAPITAL, INC.
	
	  
 Dr. Avi S. Katz,
Manager

	
	HOLDERS:
	
	GIGACQUISITIONS, LLC
	
	  
 Dr. Avi S. Katz,
Manager

	
	COWEN INVESTMENTS LLC
	
	  
 Stephen Lasota, Chief Financial
Officer

	
	  
 Irwin Silverberg

	
	  
 Jeffrey Bernstein

	
	  
 Dr. Avi S. Katz, Chairman
of the Board,

	President, Chief Executive Officer, and
	Secretary of GigCapital, Inc.
	
	  
 Barrett Daniels, Vice President
and

	Chief Financial Officer of GigCapital, Inc.


 Signature page to Registration Rights Agreement 








	
	
	  
 John Mikulsky, Director of
GigCapital, Inc.

	
	  
 Neil Miotto, Director of GigCapital,
Inc.

	
	  
 Peter Wang, Director of GigCapital,
Inc.

	
	  
 Jack Porter, Director of GigCapital,
Inc.



 Signature page to Registration Rights Agreement