Document:

EX-10.1

 Exhibit 10.1 

ARIA DIAGNOSTICS, INC. 

AMENDED AND RESTATED INVESTOR RIGHTS AGREEMENT 

THIS AMENDED AND RESTATED INVESTOR RIGHTS
AGREEMENT (the “Agreement”) is entered into as of the 30th day of November, 2011, by and among Aria Diagnostics, Inc., a Delaware
corporation (the “Company”), and the investors listed on Exhibit A hereto, referred to hereinafter as the “Investors” and each individually as an “Investor.” 

RECITALS 

WHEREAS, certain of the Investors are purchasing shares of the Company’s Series C Preferred Stock (the
“Series C Stock”) pursuant to that certain Series C Preferred Stock Purchase Agreement (the “Purchase Agreement”) of even date herewith (the “Financing”); 

WHEREAS, the obligations in the Purchase Agreement are conditioned upon the execution and delivery of
this Agreement; 
 WHEREAS, certain of the Investors (the “Prior Investors”) are
holders of the Company’s Series A Preferred Stock (the “Series A Stock”) and the Company’s Series B Preferred Stock (the “Series B Stock” and collectively with the
Series A Stock and the Series C Stock, the “Preferred Stock”); 
 WHEREAS,
the Prior Investors and the Company are parties to an Investor Rights Agreement dated May 25, 2010 (the “Prior Agreement”); 

WHEREAS, the parties to the Prior Agreement desire to amend and restate the Prior Agreement and accept the rights and
covenants hereof in lieu of their rights and covenants under the Prior Agreement; and 
 WHEREAS, in connection with
the consummation of the Financing, the Company and the Investors have agreed to the registration rights, information rights and other rights as set forth below. 

NOW, THEREFORE, in consideration of these premises and for other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows: 
 SECTION 1. GENERAL. 

1.1 Amendment and Restatement of Prior Agreement. The Prior Agreement is hereby amended in its entirety and restated herein. Such
amendment and restatement is effective upon the execution of this Agreement by the Company and the holders of a majority of the Registrable Securities outstanding as of the date of this Agreement. Upon such execution, all provisions of, rights
granted and covenants made in the Prior Agreement are hereby waived, released and superseded in their entirety and shall have no further force or effect, including, without limitation, all rights of first refusal and any notice period associated
therewith otherwise applicable to the transactions contemplated by the Purchase Agreement 

  
 1. 

 1.2 Definitions. As used in this Agreement the following terms shall have the following
respective meanings: 
 (a) “Convertible Securities” means Preferred Stock or other stock, options, warrants,
purchase rights or other securities convertible into Common Stock of the Company. 
 (b) “Exchange Act” means
the Securities Exchange Act of 1934, as amended. 
 (c) “Form S-3” means such form under the Securities Act
as in effect on the date hereof or any successor or similar registration form under the Securities Act subsequently adopted by the SEC which permits inclusion or incorporation of substantial information by reference to other documents filed by the
Company with the SEC. 
 (d) “Holder” means any person owning of record Registrable Securities that have not
been sold to the public or any assignee of record of such Registrable Securities in accordance with Section 2.9 hereof. 
 (e)
“Initial Offering” means the Company’s first firm commitment underwritten public offering of its Common Stock registered under the Securities Act. 

(f) “Qualified IPO” shall have the meaning ascribed to it in the Restated Certificate. 

(g) “Register,” “registered,” and “registration” refer to a
registration effected by preparing and filing a registration statement in compliance with the Securities Act, and the declaration or ordering of effectiveness of such registration statement or document. 

(h) “Registrable Securities” means (i) Common Stock of the Company issuable or issued upon conversion of
the Shares and (ii) any Common Stock of the Company issued as (or issuable upon the conversion or exercise of any warrant, right or other security which is issued as) a dividend or other distribution with respect to, or in exchange for or in
replacement of, such above-described securities. Notwithstanding the foregoing, Registrable Securities shall not include any securities (A) sold by a person to the public either pursuant to a registration statement or Rule 144 or (B) sold
in a private transaction in which the transferor’s rights under Section 2 of this Agreement are not assigned. 
 (i)
“Registrable Securities then outstanding” shall be the number of shares of the Company’s Common Stock that are Registrable Securities and either (a) are then issued and outstanding or (b) are issuable
pursuant to then exercisable or convertible securities. 
 (j) “Registration Expenses” shall mean all
expenses incurred by the Company in complying with Sections 2.2, 2.3 and 2.4 hereof, including, without limitation, all registration and filing fees, printing expenses, fees and disbursements of counsel for the Company, reasonable fees and
disbursements not to exceed twenty-five thousand dollars ($25,000) of a single special counsel for the selling Holders (to be mutually agreed upon by the selling Holders representing a majority of the Registrable Securities to be sold by the selling

  
 2. 

 
Holders), blue sky fees and expenses and the expense of any special audits incident to or required by any such registration (but excluding the compensation of regular employees of the Company
which shall be paid in any event by the Company). 
 (k) “Restated Certificate” shall mean the
Company’s Amended and Restated Certificate of Incorporation as may be amended from time to time. 
 (l)
“SEC” or “Commission” means the Securities and Exchange Commission. 
 (m)
“Securities Act” shall mean the Securities Act of 1933, as amended. 
 (n) “Selling
Expenses” shall mean all underwriting discounts and selling commissions applicable to the sale. 
 (o)
“Shares” shall mean the Company’s Preferred Stock held from time to time by the Investors listed on EXHIBIT A hereto and their permitted assigns. 

(p) “Special Registration Statement” shall mean (i) a registration statement relating to any employee
benefit plan or (ii) with respect to any corporate reorganization or transaction under Rule 145 of the Securities Act, any registration statements related to the issuance or resale of securities issued in such a transaction or (iii) a
registration related to stock issued upon conversion of debt securities. 
 SECTION 2. RESTRICTIONS ON TRANSFER; REGISTRATION. 

2.1 Restrictions on Transfer. 

(a) Each Holder agrees not to make any disposition of all or any portion of the Shares or Registrable Securities unless and until: 

(i) there is then in effect a registration statement under the Securities Act covering such proposed disposition and such disposition
is made in accordance with such registration statement; or 
 (ii) (A) The transferee has agreed in writing to be bound by the
terms of this Agreement, (B) such Holder shall have notified the Company of the proposed disposition and shall have furnished the Company with a detailed statement of the circumstances surrounding the proposed disposition, and (C) if
reasonably requested by the Company, such Holder shall have furnished the Company with an opinion of counsel, reasonably satisfactory to the Company, that such disposition will not require registration of such shares under the Securities Act. It is
agreed that the Company will not require opinions of counsel for transactions made pursuant to Rule 144, except in unusual circumstances. After its Initial Offering, the Company will not require any transferee pursuant to Rule 144 to be bound by the
terms of this Agreement if the shares so transferred do not remain Registrable Securities hereunder following such transfer. 

  
 3. 

 (b) Notwithstanding the provisions of subsection (a) above, no such restriction shall
apply to a transfer by a Holder that is (i) a partnership transferring to its partners or former partners in accordance with partnership interests, (ii) a corporation transferring to a wholly-owned subsidiary or a parent corporation that
owns all of the capital stock of the Holder, (iii) a limited liability company transferring to its members or former members in accordance with their interest in the limited liability company, (iv) an individual transferring to the
Holder’s family member or trust for the benefit of an individual Holder; (v) a venture capital fund transferring to an affiliated venture capital fund or (vi) a registered investment company transferring to a registered investment
company, fund or account managed by the same advisors or such advisors’ affiliates; provided that in each case the transferee will agree in writing to be subject to the terms of this Agreement to the same extent as if he were an original Holder
hereunder. 
 (c) Each certificate representing Shares or Registrable Securities shall be stamped or otherwise imprinted with legends
substantially similar to the following (in addition to any legend required under applicable state securities laws): 
 THE SECURITIES
REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 (THE “ACT”) AND MAY NOT BE OFFERED, SOLD OR OTHERWISE TRANSFERRED, ASSIGNED, PLEDGED OR HYPOTHECATED UNLESS AND UNTIL REGISTERED UNDER THE ACT OR
UNLESS THE COMPANY HAS RECEIVED AN OPINION OF COUNSEL SATISFACTORY TO THE COMPANY AND ITS COUNSEL THAT SUCH REGISTRATION IS NOT REQUIRED. 

THE SALE, PLEDGE, HYPOTHECATION OR TRANSFER OF THE SECURITIES REPRESENTED BY THIS CERTIFICATE IS SUBJECT TO THE TERMS AND CONDITIONS OF A
CERTAIN INVESTOR RIGHTS AGREEMENT BY AND BETWEEN THE STOCKHOLDER AND THE COMPANY. COPIES OF SUCH AGREEMENT MAY BE OBTAINED UPON WRITTEN REQUEST TO THE SECRETARY OF THE COMPANY. 

(d) The Company shall be obligated to reissue promptly unlegended certificates at the request of any Holder thereof if the Company has
completed its Initial Offering and the Holder shall have obtained an opinion of counsel (which counsel may be counsel to the Company) reasonably acceptable to the Company to the effect that the securities proposed to be disposed of may lawfully be
so disposed of without registration, qualification and legend, provided that the second legend listed above shall be removed only at such time as the Holder of such certificate is no longer subject to any restrictions hereunder. 

(e) Any legend endorsed on an instrument pursuant to applicable state securities laws and the stop-transfer instructions with respect
to such securities shall be removed upon receipt by the Company of an order of the appropriate blue sky authority authorizing such removal. 

  
 4. 

 2.2 Demand Registration. 

(a) Subject to the conditions of this Section 2.2, if the Company shall receive a written request from the Holders of a majority
of the Registrable Securities (the “Initiating Holders”) that the Company file a registration statement under the Securities Act covering the registration of at least a majority of the Registrable Securities then outstanding
(or a lesser percent if the anticipated aggregate offering price, net of underwriting discounts and commissions, would exceed $2,000,000 (a “Demand Offering”)), then the Company shall, within thirty
(30) days of the receipt thereof, give written notice of such request to all Holders, and subject to the limitations of this Section 2.2, effect, as expeditiously as reasonably possible, the registration under the Securities Act of all
Registrable Securities that all Holders request to be registered. 
 (b) If the 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 2.2 or any request pursuant to Section 2.4 and the Company shall include
such information in the written notice referred to in Section 2.2(a) or Section 2.4(a), as applicable. In such event, the right of any Holder to include its 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 to the extent provided herein. All Holders proposing to distribute their securities through such underwriting shall
enter into an underwriting agreement in customary form with the underwriter or underwriters selected for such underwriting by the Holders of a majority of the Registrable Securities held by all Initiating Holders (which underwriter or underwriters
shall be reasonably acceptable to the Company). Notwithstanding any other provision of this Section 2.2 or Section 2.4, if the underwriter advises the Company that marketing factors require a limitation of the number of securities to be
underwritten (including Registrable Securities) then the Company shall so advise all Holders of Registrable Securities that would otherwise be underwritten pursuant hereto, and the number of shares that may be included in the underwriting shall be
allocated to the Holders of such Registrable Securities on a pro rata basis based on the number of Registrable Securities held by all such Holders (including the Initiating Holders). Any Registrable Securities excluded or withdrawn from such
underwriting shall be withdrawn from the registration. 
 (c) The Company shall not be required to effect a registration pursuant to
this Section 2.2: 
 (i) prior to the earlier of (A) the fourth anniversary of the date of this Agreement or (B) the
expiration of the restrictions on transfer set forth in Section 2.11 following a Demand Offering; 
 (ii) after the Company has
effected two (2) registrations pursuant to this Section 2.2, and such registrations have been declared or ordered effective; 

  
 5. 

 (iii) during the period starting with the date of filing of, and ending on the date one
hundred eighty (180) days following the effective date of the registration statement pertaining to the Initial Offering (or such longer period during which the transfer of securities may be restricted pursuant to Section 2.11); 

(iv) if within thirty (30) days of receipt of a written request from Initiating Holders pursuant to Section 2.2(a), the
Company gives notice to the Holders of the Company’s intention to file a registration statement for a public offering, other than pursuant to a Special Registration Statement, within ninety (90) days; 

(v) if the Company shall furnish to Holders requesting a registration statement pursuant to this Section 2.2 a certificate signed
by the Chairman of the Board 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 effected at such time, in
which event the Company shall have the right to defer such filing for a period of not more than one hundred twenty (120) days after receipt of the request of the Initiating Holders; provided that such right to delay a request shall be exercised
by the Company not more than twice in any twelve (12) month period; 
 (vi) 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 2.4 below; or 

(vii) 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. 
 2.3 Piggyback Registrations. The Company shall
notify all Holders who, along with its affiliates, initially purchased from the Company at least 500,000 Shares (as adjusted for stock splits and combinations) (whether or not at the time of notice such Holder, along with its affiliates, continues
to hold 500,000 shares of Registrable Securities (as adjusted for stock splits and combinations)) in writing at least fifteen (15) days prior to the filing of any registration statement under the Securities Act for purposes of a public offering
of securities of the Company (including, but not limited to, registration statements relating to secondary offerings of securities of the Company, but excluding Special Registration Statements) and will afford each such Holder an opportunity to
include in such registration statement all or part of such Registrable Securities held by such Holder. Each such Holder desiring to include in any such registration statement all or any part of the Registrable Securities held by it shall, within
fifteen (15) days after the above-described notice from the Company, so notify the Company in writing. Such notice shall state the intended method of disposition of the Registrable Securities by such Holder. If such Holder decides not to
include all of its Registrable Securities in any registration statement thereafter filed by the Company, such Holder shall nevertheless continue to have the right to include any Registrable Securities in any subsequent registration statement or
registration statements as may be filed by the Company with respect to offerings of its securities, all upon the terms and conditions set forth herein. 

  
 6. 

 (a) Underwriting. If the registration statement of which the Company gives notice under
this Section 2.3 is for an underwritten offering, the Company shall so advise the Holders of Registrable Securities. In such event, the right of any such Holder to include Registrable Securities in a registration pursuant to this
Section 2.3 shall be conditioned upon such Holder’s participation in such underwriting and the inclusion of such Holder’s Registrable Securities in the underwriting to the extent provided herein. All Holders proposing to distribute
their Registrable Securities through such underwriting shall enter into an underwriting agreement in customary form with the underwriter or underwriters selected for such underwriting by the Company. Notwithstanding any other provision of this
Agreement, if the underwriter determines in good faith that marketing factors require a limitation of the number of shares to be underwritten, the number of shares that may be included in the underwriting shall be allocated, first, to the Company;
second, to the Holders on a pro rata basis based on the total number of Registrable Securities held by the Holders; and third, to any stockholder of the Company (other than a Holder) on a pro rata basis; provided, however, that no such reduction
shall reduce the amount of securities of the selling Holders included in the registration below twenty-five percent (25%) of the total amount of securities included in such registration, unless such offering is the Qualified IPO and such
registration does not include shares of any other selling stockholders, in which event any or all of the Registrable Securities of the Holders may be excluded in accordance with the immediately preceding clause. If any Holder disapproves of the
terms of any such underwriting, such Holder may elect to withdraw therefrom by written notice to the Company and the underwriter, delivered at least ten (10) business days prior to the effective date of the registration statement. Any
Registrable Securities excluded or withdrawn from such underwriting shall be excluded and withdrawn from the registration. For any Holder which is a partnership, limited liability company or corporation, 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 and retired members and any trusts for the benefit of any of the foregoing person shall be deemed to be a single
“Holder,” and any pro rata reduction with respect to such “Holder” shall be based upon the aggregate amount of shares carrying registration rights owned by all entities and individuals included in such “Holder,” as
defined in this sentence. 
 (b) Right to Terminate Registration. The Company shall have the right to terminate or withdraw any
registration initiated by it under this Section 2.3 whether or not any Holder has elected to include securities in such registration. The Registration Expenses of such withdrawn registration shall be borne by the Company in accordance with
Section 2.5 hereof. 
 2.4 Form S-3 Registration. In case the Company shall receive from any Holder or Holders of Registrable
Securities a written request or requests that the Company effect a registration on Form S-3 (or any successor to Form S-3) or any similar short-form registration statement 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 of Registrable Securities; 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 

  
 7. 

 
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 fifteen (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 2.4: 
 (i) if Form S-3 is not
available for such offering by the Holders; 
 (ii) if the Holders, together with the holders of any other securities of the Company
entitled to inclusion in such registration, propose to sell Registrable Securities and such other securities (if any) at an aggregate price to the public of less than one million dollars ($1,000,000); 

(iii) if within thirty (30) days of receipt of a written request from any Holder or Holders pursuant to this Section 2.4,
the Company gives notice to such Holder or Holders of the Company’s intention to make a public offering within ninety (90) days, other than pursuant to a Special Registration Statement; 

(iv) if the Company shall furnish to the Holders a certificate signed by the Chairman of the Board of Directors 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 one hundred twenty (120) days after receipt of the request of the Holder or Holders under this Section 2.4; provided, that such right
to delay a request shall be exercised by the Company not more than twice in any twelve (12) month period; 
 (v) if the Company
has already effected, in the same calendar year, two (2) registrations on Form S-3 for the Holders pursuant to this Section 2.4; or 

(vi) 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. 
 (c) Subject to the foregoing, the Company shall
file a Form S-3 registration statement covering the Registrable Securities and other securities so requested to be registered as soon as practicable after receipt of the requests of the Holders. Registrations effected pursuant to this
Section 2.4 shall not be counted as demands for registration or registrations effected pursuant to Section 2.2. 
 2.5 Expenses
of Registration. Except as specifically provided herein, all Registration Expenses incurred in connection with any registration, qualification or compliance pursuant to Section 2.2, 2.3 or 2.4 herein shall be borne by the Company regardless
of whether any shares are registered, offered or sold by a Holder. All Selling Expenses incurred in connection with any registrations hereunder, shall be borne by the holders of the securities so registered pro rata on the basis
of the number of shares so registered. The Company shall not, 

  
 8. 

 
however, be required to pay for expenses of any registration proceeding begun pursuant to Section 2.2 or 2.4, the request of which has been subsequently withdrawn by the Initiating Holders
unless (a) the withdrawal is based upon material adverse information concerning the Company of which the Initiating Holders were not aware at the time of such request or (b) the Holders of a majority of Registrable Securities agree to deem
such registration to have been effected as of the date of such withdrawal for purposes of determining whether the Company shall be obligated pursuant to Section 2.2(c) or 2.4(b)(5), as applicable, to undertake any subsequent registration, in
which event such right shall be forfeited by all Holders. If the Holders are required to pay the Registration Expenses, such expenses shall be borne by the holders of securities (including Registrable Securities) requesting such registration in
proportion to the number of shares for which registration was requested. If the Company is required to pay the Registration Expenses of a withdrawn offering pursuant to clause (a) above, then such registration shall not be deemed to have been
effected for purposes of determining whether the Company shall be obligated pursuant to Section 2.2(c) or 2.4(b)(5), as applicable, to undertake any subsequent registration. 

2.6 Obligations of the Company. Whenever required 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 all reasonable 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 sixty (60) days or, if earlier, until the Holder or Holders have completed the distribution related thereto; provided, however, that at any time, upon written notice to the participating Holders and for a period not to
exceed sixty (60) days thereafter (the “Suspension Period”), the Company may delay the filing or effectiveness of any registration statement or suspend the use or effectiveness of any registration statement (and the
Initiating Holders hereby agree not to offer or sell any Registrable Securities pursuant to such registration statement during the Suspension Period) if the Company reasonably believes that there is or may be in existence material nonpublic
information or events involving the Company, the failure of which to be disclosed in the prospectus included in the registration statement could result in a Violation (as defined below). In the event that the Company shall exercise its right to
delay or suspend the filing or effectiveness of a registration hereunder, the applicable time period during which the registration statement is to remain effective shall be extended by a period of time equal to the duration of the Suspension Period.
The Company may extend the Suspension Period for an additional consecutive sixty (60) days with the consent of the holders of a majority of the Registrable Securities registered under the applicable registration statement, which consent shall
not be unreasonably withheld. If so directed by the Company, all Holders registering shares under such registration statement shall (i) not offer to sell any Registrable Securities pursuant to the registration statement during the period in
which the delay or suspension is in effect after receiving notice of such delay or suspension; and (ii) use their best efforts to deliver to the Company (at the Company’s expense) all copies, other than permanent file copies then in such
Holders’ possession, of the prospectus relating to such Registrable Securities current at the time of receipt of such notice. Notwithstanding the foregoing, the Company shall not be required to file, cause to become effective or maintain the
effectiveness of any registration statement other than a registration statement on Form S-3 that contemplates a distribution of securities on a delayed or continuous basis pursuant to Rule 415 under the Securities Act. 

  
 9. 

 (b) Prepare and file with the SEC such amendments and supplements to such registration
statement and the prospectus used in connection with such registration statement as may be necessary to comply with the provisions of the Securities Act with respect to the disposition of all securities covered by such registration statement for the
period set forth in subsection (a) above. 
 (c) Promptly notify the Holders of the effectiveness of the registration statement
and furnish to the Holders such number of copies of a prospectus, including a preliminary prospectus, in conformity with the requirements of the Securities Act, and such other documents as they may reasonably request in order to facilitate the
disposition of Registrable Securities owned by them. 
 (d) Use its reasonable efforts to register and qualify the securities covered
by such registration statement under such other securities or Blue Sky laws of such jurisdictions as shall be reasonably requested by the Holders; provided that the Company shall not be required in connection therewith or as a condition thereto to
qualify to do business or to file a general consent to service of process in any such states or jurisdictions. 
 (e) In the event of
any underwritten public offering, enter into and perform its obligations under an underwriting agreement, in usual and customary form, with the managing underwriter(s) of such offering. Each Holder participating in such underwriting shall also enter
into and perform its obligations under such an agreement. 
 (f) Notify each Holder of Registrable Securities covered by such
registration statement at any time when a prospectus relating thereto is required to be delivered under the Securities Act of the happening of any event as a result of which the prospectus included in such registration statement, as then in effect,
includes an untrue statement of a material fact or omits to state a material fact required to be stated therein or necessary to make the statements therein not misleading in the light of the circumstances then existing. The Company will use best
efforts to amend or supplement such prospectus in order to cause such prospectus not to include any untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein not
misleading in the light of the circumstances then existing. 
 (g) Use its reasonable efforts to furnish, on the date that such
Registrable Securities are delivered to the underwriters for sale, if such securities are being sold through underwriters, (i) an opinion, dated as of 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 (ii) a letter, dated as of 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. 

  
 10. 

 2.7 Delay of Registration; Furnishing Information. 

(a) 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 2. 
 (b) It
shall be a condition precedent to the obligations of the Company to take any action pursuant to Section 2.2, 2.3 or 2.4 that the selling Holders shall furnish to the Company such information regarding themselves, the Registrable Securities held
by them and the intended method of disposition of such securities as shall be required to effect the registration of their Registrable Securities. 

(c) The Company shall have no obligation with respect to any registration requested pursuant to Section 2.2 or Section 2.4 if
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 Section 2.2 or Section 2.4, whichever is applicable. 

2.8 Indemnification. In the event any Registrable Securities are included in a registration statement under Sections 2.2, 2.3 or
2.4: 
 (a) To the extent permitted by law, the Company will indemnify and hold harmless each Holder, the partners, members,
officers and directors of each Holder, any underwriter (as defined in the Securities Act) for such Holder and each person, if any, who controls such Holder or underwriter within the meaning of the Securities Act or the Exchange Act, against any
losses, claims, damages, or liabilities (joint or several) to which they may become subject under the Securities Act, the Exchange Act or other federal or state law, insofar as such losses, claims, damages or liabilities (or actions in respect
thereof) arise out of or are based upon any of the following statements, omissions or violations (collectively a “Violation”) by the Company: (i) any untrue statement or alleged untrue statement of a material fact
contained in such registration statement or incorporated reference therein, including any preliminary prospectus or final prospectus contained therein or any amendments or supplements thereto, (ii) the omission or alleged omission to state
therein a material fact required to be stated therein, or necessary to make the statements therein not misleading, or (iii) any violation or alleged violation by the Company of the Securities Act, the Exchange Act, any state securities law or
any rule or regulation promulgated under the Securities Act, the Exchange Act or any state securities law in connection with the offering covered by such registration statement; and the Company will reimburse each such Holder, partner, member,
officer, director, underwriter or controlling person for 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 Section 2.8(a) shall not apply to amounts paid in settlement of any such loss, claim, damage, liability or action if such settlement is effected without the consent of the Company, which consent shall not be
unreasonably withheld, nor shall the Company be liable in any such case for any such loss, claim, damage, 

  
 11. 

 
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, partner, member, officer, director, underwriter or controlling person of such Holder. 

(b) To the extent permitted by law, each Holder will, if Registrable Securities held by such Holder are included in the securities as
to which such registration qualifications or compliance is being effected, indemnify and hold harmless the Company, each of its directors, its officers and each person, if any, who controls the Company within the meaning of the Securities Act, any
underwriter and any other Holder selling securities under such registration statement or any of such other Holder’s partners, directors or officers or any person who controls such Holder, against any losses, claims, damages or liabilities
(joint or several) to which the Company or any such director, officer, controlling person, underwriter or other such Holder, or partner, director, officer or controlling person of such other Holder may become subject under the Securities Act, the
Exchange Act or other federal or state law, insofar as such losses, claims, damages or liabilities (or actions in respect thereto) arise out of or are based upon any of the following statements: (i) any untrue statement or alleged untrue
statement of a material fact contained in such registration statement or incorporated reference therein, including any preliminary prospectus or final prospectus contained therein or any amendments or supplements thereto, (ii) the omission or
alleged omission to state therein a material fact required to be stated therein, or necessary to make the statements therein not misleading, or (iii) any violation or alleged violation by the Company of the Securities Act (collectively, a
“Holder Violation”), in each case to the extent (and only to the extent) that such Holder 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 reimburse any legal or other expenses reasonably incurred by the Company or any such director, officer, controlling person,
underwriter or other Holder, or partner, officer, director or controlling person of such other Holder in connection with investigating or defending any such loss, claim, damage, liability or action if it is judicially determined that there was such
a Holder Violation; provided, however, that the indemnity agreement contained in this Section 2.8(b) shall not apply to amounts paid in settlement of any such loss, claim, damage, liability or action if such settlement is effected
without the consent of the Holder, which consent shall not be unreasonably withheld; provided further, that in no event shall any indemnity under this Section 2.8 exceed the net proceeds from the offering received by such Holder. 

(c) Promptly after receipt by an indemnified party under this Section 2.8 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 2.8, 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 shall have the right to retain its own counsel, with the fees and expenses thereof 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 

  
 12. 

 
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 shall relieve such indemnifying party of any liability to the indemnified party under this Section 2.8 to the extent, and only to the extent, prejudicial to its
ability to defend such action, but the omission so to deliver written notice to the indemnifying party will not relieve it of any liability that it may have to any indemnified party otherwise than under this Section 2.8. 

(d) If the indemnification provided for in this Section 2.8 is held by a court of competent jurisdiction to be unavailable to an
indemnified party with respect to any losses, claims, damages or liabilities referred to herein, the indemnifying party, in lieu of indemnifying such indemnified party thereunder, shall to the extent permitted by applicable law contribute to the
amount paid or payable by such indemnified party as a result of such loss, claim, damage or liability in such proportion as is appropriate to reflect the relative fault of the indemnifying party on the one hand and of the indemnified party on the
other in connection with the Violation(s) or Holder Violation(s) that resulted in such loss, claim, damage or liability, as well as any other relevant equitable considerations. The relative fault of the indemnifying party and of the indemnified
party shall be determined by a court of law by reference to, among other things, whether the untrue or alleged untrue statement of a material fact or the omission to state a material fact relates to information supplied by the indemnifying party or
by the indemnified party and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission; provided, that in no event shall any contribution by a Holder hereunder,
when combined with indemnification pursuant to Section 2.8(b), exceed the net proceeds from the offering received by such Holder. 

(e) The obligations of the Company and Holders under this Section 2.8 shall survive completion of any offering of Registrable
Securities in a registration statement and, with respect to liability arising from an offering to which this Section 2.8 would apply that is covered by a registration filed before termination of this Agreement, such termination. No indemnifying
party, in the defense of any such claim or litigation, shall, except with the consent of each indemnified party, consent to entry of any judgment or enter into any settlement which 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. 
 2.9 Assignment
of Registration Rights. The rights to cause the Company to register Registrable Securities pursuant to this Section 2 may be assigned by a Holder to a transferee or assignee of Registrable Securities (for so long as such shares remain
Registrable Securities) that (a) is a subsidiary, parent, general partner, limited partner, retired partner, member or retired member of a Holder that is a corporation, partnership or limited liability company, (b) is a Holder’s
family member or trust for the benefit of an individual Holder, or (c) acquires at least one hundred thousand (100,000) shares of Registrable Securities (as adjusted for stock splits and combinations); (d) is an entity affiliated by
common control (or other related entity) with such Holder; or (e) is registered investment company, fund or account managed by the same advisors or such advisors’ affiliates as a Holder that is a registered investment company;
provided, however, (i) the transferor shall, within ten (10) days after such transfer, furnish to the Company 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 (ii) such transferee shall agree to be subject to all restrictions set forth in this Agreement. 

  
 13. 

 2.10 Limitation on Subsequent Registration Rights. Other than as provided in
Section 5.10, after the date of this Agreement, the Company shall not enter into any agreement with any holder or prospective holder of any securities of the Company that would grant such holder rights to demand the registration of shares of
the Company’s capital stock, or to include such shares in a registration statement that would reduce the number of shares includable by the Holders. 

2.11 “Market Stand-Off” Agreement. Each Holder hereby agrees that such Holder shall not sell, transfer, make any short sale
of, grant any option for the purchase of, or enter into any hedging or similar transaction with the same economic effect as a sale, any Common Stock (or other securities) of the Company held by such Holder (other than those included in the
registration) during the 180-day period following the effective date of the Initial Offering (or such longer period, not to exceed 34 days after the expiration of the 180-day period, as the underwriters or the Company shall request in order to
facilitate compliance with NASD Rule 2711 or NYSE Member Rule 472 or any successor or similar rule or regulation); provided, that, (i) all officers and directors of the Company and holders of at least one percent (1%) of the Company’s
voting securities are bound by and have entered into similar agreements and (ii) the foregoing provisions shall only be applicable to the Holders if all stockholders, officers and directors are treated similarly with respect to any release
prior to the termination of the lock-up period (including any extension thereof) such that if any such persons are released all stockholders shall also be released to the same extent on a pro rata basis. The obligations
described in this Section 2.11 shall not apply to a registration relating solely to employee benefit plans on Form A or Form S-8 or similar forms that may be promulgated in the future, or a registration relating solely to a transaction on Form
S-4 or similar forms that may be promulgated in the future. 
 2.12 Agreement to Furnish Information. Each Holder agrees to
execute and deliver such other agreements as may be reasonably requested by the Company or the underwriter that are consistent with the Holder’s obligations under Section 2.11 or that are necessary to give further effect thereto. In
addition, if requested by the Company or the representative of the underwriters of Common Stock (or other securities) of the Company, each Holder shall provide, within ten (10) days of such request, such information as may be required by the
Company or such representative in connection with the completion of any public offering of the Company’s securities pursuant to a registration statement filed under the Securities Act. The obligations described in Section 2.11 and this
Section 2.12 shall not apply to a Special Registration Statement. The Company may impose stop-transfer instructions with respect to the shares of Common Stock (or other securities) subject to the foregoing restriction until the end of said day
period. Each Holder agrees that any transferee of any shares of Registrable Securities shall be bound by Sections 2.11 and 2.12. The underwriters of the Company’s stock are intended third party beneficiaries of Sections 2.11 and 2.12 and
shall have the right, power and authority to enforce the provisions hereof as though they were a party hereto. 

  
 14. 

 2.13 Rule 144 Reporting. With a view to making available to the Holders the benefits of
certain rules and regulations of the SEC which may permit the sale of the Registrable Securities to the public without registration, the Company agrees to use its best efforts to: 

(a) Make and keep public information available, as those terms are understood and defined in SEC Rule 144 or any similar or
analogous rule promulgated under the Securities Act, at all times after the effective date of the first registration filed by the Company for an offering of its securities to the general public; 

(b) File with the SEC, in a timely manner, all reports and other documents required of the Company under the Exchange Act; and 

(c) So long as a Holder owns any Registrable Securities, furnish to such Holder forthwith upon request: a written statement by the
Company as to its compliance with the reporting requirements of said Rule 144 of the Securities Act, and of the Exchange Act (at any time after it has become subject to such reporting requirements); a copy of the most recent annual or quarterly
report of the Company filed with the Commission; and such other reports and documents as a Holder may reasonably request in connection with availing itself of any rule or regulation of the SEC allowing it to sell any such securities without
registration. 
 2.14 Termination of Registration Rights. The right of any Holder to request registration or inclusion of Registrable
Securities in any registration pursuant to Section 2.2, Section 2.3, or Section 2.4 hereof shall terminate upon the earlier of: (i) the date three (3) years following an initial public offering that results in the conversion
of all outstanding shares of Preferred Stock; or (ii) all Registrable Securities of the Company issuable or issued upon conversion of the Shares held by and issuable to such Holder (and its affiliates) may be sold pursuant to Rule 144 without
limitation during any ninety (90) day period that existed continuously for a ninety (90) day period following the termination of the requirements of Section 2.11 hereof. Upon such termination, such shares shall cease to be
“Registrable Securities” hereunder for all purposes. 
 SECTION 3. COVENANTS OF THE COMPANY. 

3.1 Basic Financial Information and Reporting. 

(a) The Company will maintain true books and records of account in which full and correct entries will be made of all its business
transactions pursuant to a system of accounting established and administered in accordance with generally accepted accounting principles consistently applied (except as noted therein), and will set aside on its books all such proper accruals and
reserves as shall be required under generally accepted accounting principles consistently applied. 
 (b) As soon as practicable
after the end of each fiscal year of the Company, and in any event within ninety (90) days thereafter, the Company will furnish each Major Investor (as defined below) an audited balance sheet of the Company, as at the end of such fiscal year,
and a statement of income and a statement of cash flows of the Company, for such year, all prepared in accordance with generally accepted accounting principles consistently 

  
 15. 

 
applied (except as noted therein) and setting forth in each case in comparative form the figures for the previous fiscal year, all in reasonable detail. Such financial statements shall be
accompanied by a report and opinion thereon by independent public accountants of national standing selected by the Company’s Board of Directors. 

(c) As soon as practicable after the end of the first, second and third quarterly accounting periods in each fiscal year of the
Company, and in any event within forty-five (45) days thereafter, the Company will furnish each Major Investor a balance sheet of the Company as of the end of each such quarterly period, and a statement of income and a statement of cash flows
of the Company for such period and for the current fiscal year to date, prepared in accordance with generally accepted accounting principles consistently applied (except as noted therein), with the exception that no notes need be attached to such
statements and year-end audit adjustments may not have been made. 
 (d) To the extent requested by a Major Investor, the Company
will furnish such Major Investor, as soon as practicable after the end of each calendar month, and in any event within thirty (30) days thereafter, a balance sheet of the Company as of the end of each such monthly period, and a statement of
income and a statement of cash flows of the Company for such period and for the current fiscal year to date, prepared in accordance with generally accepted accounting principles consistently applied (except as noted therein), with the exception that
no notes need be attached to such statements and year-end audit adjustments may not have been made. 
 (e) So long as an Investor
(with its affiliates) shall own not less than one million (1,000,000) shares of Registrable Securities (as adjusted for stock splits and combinations) (a “Major Investor”), the Company will furnish each such Major
Investor: (i) at least thirty (30) days prior to the beginning of each fiscal year an annual budget and operating plans for such fiscal year (and as soon as available, any subsequent written revisions thereto) and (ii) a report
comparing each annual budget to the relevant financial statements. 
 3.2 Inspection Rights. Each Major Investor shall have the right
to visit and inspect any of the properties of the Company or any of its subsidiaries, and to discuss the affairs, finances and accounts of the Company or any of its subsidiaries with its officers, and to review such information as is reasonably
requested all at such reasonable times and as often as may be reasonably requested; provided, however, that the Company shall not be obligated under this Section 3.2 with respect to a competitor of the Company or with respect to information
which the Board of Directors determines in good faith is confidential or attorney-client privileged and should not, therefore, be disclosed. 

3.3 Confidentiality of Records. Each Investor agrees to use the same degree of care as such Investor uses to protect its own
confidential information to keep confidential any information furnished to such Investor pursuant to Section 3.1 and 3.2 hereof that the Company identifies as being confidential or proprietary (so long as such information is not in the public
domain), except that such Investor may disclose such proprietary or confidential information (i) at such time as it enters the public domain through no fault of such Investor; (ii) that is communicated to it free of any obligation of
confidentiality; (iii) that is developed by Investor or its agents independently of and without reference to any confidential information communicated 

  
 16. 

 
by the Company; or (iv) as required by applicable law; provided, however, that solely with respect to Investors that are investment funds, such Investors may disclose (1) the existence
and nature of its relationship with the Company and confidential information consisting of summary financial and business milestone information of the type typically communicated to investors in a venture capital fund to the partners, affiliates or
prospective investors of the Investor on a confidential basis or (2) confidential information to such Investor’s attorneys, accountants, consultants, and other professionals in connection with monitoring its investment in the Company or in
connection with the exercise of such Investor’s rights under this Agreement. Notwithstanding anything to the contrary, nothing shall restrict any Investor that is a registered investment company from making holdings disclosures in the ordinary
course of business. 
 3.4 Reservation of Common Stock. The Company will at all time reserve and keep available, solely for issuance
and delivery upon the conversion of the Preferred Stock, all Common Stock issuable from time to time upon such conversion. 
 3.5
Stock Vesting. Unless otherwise approved by the Board of Directors, all stock options and other stock equivalents issued after the date of this Agreement to employees, directors, consultants and other service providers shall be subject to
vesting as follows: (a) twenty-five percent (25%) of such stock shall vest at the end of the first year following the earlier of the date of issuance or such person’s services commencement date with the Company, and
(b) seventy-five percent (75%) of such stock shall vest monthly over the remaining three (3) years. 
 3.6 Director and
Officer Insurance. The Company will use its best efforts to maintain in full force and effect its current director and officer liability insurance. 

3.7 Proprietary Information and Inventions Agreement. The Company shall require all employees and consultants to execute and deliver a
Proprietary Information and Inventions Agreement substantially in a form approved by the Company’s counsel or Board of Directors. 

3.8 Approval. The Company shall not, without the approval of a majority of the Board of Directors, with all non-interested Directors
voting and the approval of at least one of the Directors designated by the holders of the Preferred Stock, authorize or enter into any transactions with any director or officer, or any member of such director’s or officer’s immediate
family (excluding reimbursement of expenses in the ordinary course of business). 
 3.9 Qualified Small Business. The Company
will use reasonable efforts to comply with the reporting and recordkeeping requirements of Section 1202 of the Internal Revenue Code of 1986, as amended, any regulations promulgated thereunder and any similar state laws and regulations.

 3.10 Termination of Covenants. All covenants of the Company contained in Section 3 of this Agreement (other than the
provisions of Section 3.3) shall expire and terminate as to each Investor upon the earlier of (i) the effective date of the registration statement pertaining to an Initial Offering or (ii) upon an
“Acquisition” as defined in the Company’s Certificate of Incorporation as in effect as of the date hereof. 

  
 17. 

 SECTION 4. RIGHTS OF FIRST REFUSAL. 

4.1 Subsequent Offerings. Subject to applicable securities laws, each Major Investor shall have a right of first refusal to purchase its
pro rata share of all Equity Securities, as defined below, that the Company may, from time to time, propose to sell and issue after the date of this Agreement, other than the Equity Securities excluded by Section 4.6
hereof. Each Major Investor’s pro rata share is equal to the ratio of (a) the number of shares of the Company’s Common Stock (including all shares of Common Stock issuable or issued upon conversion of the Shares
or upon the exercise of outstanding warrants or options) of which such Major Investor is deemed to be a holder immediately prior to the issuance of such Equity Securities to (b) the total number of shares of the Company’s outstanding
Common Stock (including all shares of Common Stock issued or issuable upon conversion of the Shares or upon the exercise of any outstanding warrants or options) immediately prior to the issuance of the Equity Securities. The term
“Equity Securities” shall mean (i) any Common Stock, Preferred Stock or other security of the Company, (ii) any security convertible into or exercisable or exchangeable for, with or without
consideration, any Common Stock, Preferred Stock or other security (including any option to purchase such a convertible security), (iii) any security carrying any warrant or right to subscribe to or purchase any Common Stock, Preferred Stock or
other security or (iv) any such warrant or right. 
 4.2 Exercise of Rights. If the Company proposes to issue any Equity
Securities, it shall give each Major Investor written notice of its intention, describing the Equity Securities, the price and the terms and conditions upon which the Company proposes to issue the same. Each Major Investor shall have twenty
(20) days from the giving of such notice to agree to purchase its pro rata share of the Equity Securities for the price and upon the terms and conditions specified in the notice by giving written notice to the Company and
stating therein the quantity of Equity Securities to be purchased; provided, however, an Investor that is a venture capital fund may apportion or allocate the right to purchase its pro rata share of Equity Securities among its
affiliated venture capital funds. Notwithstanding the foregoing, the Company shall not be required to offer or sell such Equity Securities to any Major Investor who would cause the Company to be in violation of applicable federal securities laws by
virtue of such offer or sale. 
 4.3 Issuance of Equity Securities to Other Persons. If not all of the Major Investors elect
to purchase their pro rata share of the Equity Securities, then the Company shall promptly notify in writing the Major Investors who do so elect and shall offer such Major Investors the right to acquire such unsubscribed shares
on a pro rata basis. The Major Investors shall have five (5) days after receipt of such notice to notify the Company of its election to purchase all or a portion thereof of the unsubscribed shares. The Company shall have
ninety (90) days thereafter to sell the Equity Securities in respect of which the Major Investor’s rights were not exercised, at a price not lower and upon general terms and conditions not materially more favorable to the purchasers
thereof than specified in the Company’s notice to the Major Investors pursuant to Section 4.2 hereof. If the Company has not sold such Equity Securities within ninety (90) days of the notice provided pursuant to Section 4.2, the
Company shall not thereafter issue or sell any Equity Securities, without first offering such securities to the Major Investors in the manner provided above. 

  
 18. 

 4.4 Termination and Waiver of Rights of First Refusal. The rights of first refusal
established by this Section 4 shall not apply to, and shall terminate upon the earlier of (i) the effective date of the registration statement pertaining to the Company’s Qualified IPO or (ii) an Acquisition. Notwithstanding
Section 5.5 hereof, the rights of first refusal established by this Section 4 may be amended, or any provision waived with and only with the written consent of the Company and the Major Investors holding a majority of the Registrable
Securities held by all Major Investors, or as permitted by Section 5.5; provided, that a waiver of this right of first refusal with respect to Investors holding Series C Stock shall require the prior written consent of such Investors holding at
least 77% of the outstanding shares of Series C Stock, voting as a single class. A waiver of the right of first refusal effected pursuant to the terms of this Section 4.4 shall be binding upon each Investor and its successors and assigns. 

4.5 Assignment of Rights of First Refusal. The rights of first refusal of each Investor under this Section 4 may be assigned to
the same parties, subject to the same restrictions as any transfer of registration rights pursuant to Section 2.9. 
 4.6
Excluded Securities. The rights of first refusal established by this Section 4 shall have no application to any of the following Equity Securities: 

(a) shares of Common Stock issued upon conversion of the Preferred Stock; 

(b) up to an aggregate of 3,898,414 shares (provided, however, that such number shall be increased to reflect any shares of Common
Stock (i) not issued pursuant to the rights, agreements, option or warrants (“Unexercised Options”) as a result of the termination of such Unexercised Options or (ii) reacquired by the Company from employees,
directors or consultants at cost (or the lesser of cost or fair market value) pursuant to agreements which permit the Company to repurchase such shares upon termination of services to the Company) of Common Stock or Convertible Securities (as
adjusted for any stock dividends, combinations, splits, recapitalizations and the like after the date hereof) issued after the date hereof to employees, officers or directors of, or consultants or advisors to the Company or any subsidiary pursuant
to stock purchase or stock option plans or other arrangements that are approved by the Board; 
 (c) shares of Common Stock issued
pursuant to the exercise of Convertible Securities outstanding as of the date of this Agreement; 
 (d) shares of Common Stock issued
pursuant to a Qualified IPO; 
 (e) shares of Common Stock or Convertible Securities issued for consideration other than cash
pursuant to a merger, consolidation, acquisition, strategic alliance, joint venture or similar business combination approved by the Board; 

(f) shares of Common Stock or Convertible Securities issued pursuant to any equipment loan or leasing arrangement, real property
leasing arrangement or debt financing from a bank or similar financial institution approved by the Board; and 

  
 19. 

 (g) any Series C Stock issued by the Company pursuant to the terms of Section 2.3 of
the Purchase Agreement. 
 SECTION 5. MISCELLANEOUS. 

5.1 Governing Law. This Agreement shall be governed by and construed under the laws of the State of California in all respects as such
laws are applied to agreements among California residents entered into and to be performed entirely within California, without reference to conflicts of laws or principles thereof. The parties agree that any action brought by either party under or
in relation to this Agreement, including without limitation to interpret or enforce any provision of this Agreement, shall be brought in, and each party agrees to and does hereby submit to the jurisdiction and venue of, any state or federal court
located in the County where the Company’s principal office is located. 
 5.2 Successors and Assigns. Except as otherwise
expressly provided herein, the provisions hereof shall inure to the benefit of, and be binding upon, the parties hereto and their respective successors, assigns, heirs, executors, and administrators and shall inure to the benefit of and be
enforceable by each person who shall be a holder of Registrable Securities from time to time; provided, however, that prior to the receipt by the Company of adequate written notice of the transfer of any Registrable Securities
specifying the full name and address of the transferee, the Company may deem and treat the person listed as the holder of such shares in its records as the absolute owner and holder of such shares for all purposes, including the payment of dividends
or any redemption price. 
 5.3 Entire Agreement. This Agreement, the Exhibits and Schedules hereto, the Purchase Agreement
and the other documents delivered pursuant thereto constitute the full and entire understanding and agreement between the parties with regard to the subjects hereof and no party shall be liable or bound to any other in any manner by any oral or
written representations, warranties, covenants and agreements except as specifically set forth herein and therein. Each party expressly represents and warrants that it is not relying on any oral or written representations, warranties, covenants or
agreements outside of this Agreement. 
 5.4 Severability. In the event one or more of the provisions of this Agreement
should, for any reason, be held to be invalid, illegal or unenforceable in any respect, such invalidity, illegality, or unenforceability shall not affect any other provisions of this Agreement, and this Agreement shall be construed as if such
invalid, illegal or unenforceable provision had never been contained herein. 

  
 20. 

 5.5 Amendment and Waiver. 

(a) Except as otherwise expressly provided, this Agreement may be amended or modified, and the obligations of the Company and the
rights of the Holders under this Agreement may be waived, only upon the written consent of the Company and the holders of at least a majority of the then-outstanding Registrable Securities; provided, however, (i) any amendment, modification or
waiver of Section 4.4 that adversely impacts Meritech Capital Partners IV L.P. and its affiliated funds (together, “Meritech”) in a manner differently than any other Investor and any amendment, modification or waiver of
the proviso set forth in the second to last sentence of Section 4.4 shall, in each case, also require the consent of Meritech, (ii) any amendment that adversely affects the rights of an Investor as a holder of Series C Stock in a manner
differently than Investors holding Preferred Stock generally shall require the consent of such Investors holding at least two-thirds (2/3) of the outstanding Series C Stock, voting as a single class, and (iii) any amendment, modification
or waiver of Section 2.11 or 3.1 (excluding customary extensions on the delivery date of the financial statements not to exceed 30 days as may be reasonably requested by the Company) shall, in each case, require the consent of Investors holding
at least 84% of the outstanding shares of Series C Stock, voting as a single class, provided, that if an amendment, modification or waiver of Section 3.1 adversely affects the rights (including, without limitation, the delivery schedules and
the nature of the information to be delivered) of Ball &Co fbo Fidelity Mt. Vernon Street Trust: Fidelity Growth Company Fund, Mag & Co fbo Fidelity Select Portfolios: Health Care Portfolio or Mag &Co fbo Fidelity Select Portfolios:
Medical Equipment and Systems Portfolio (collectively, “Fidelity”), then such amendment, modification or waiver shall also require the consent of Fidelity; provided further, however, that (1) the Company, (2) the
holders of a majority of the outstanding shares of Preferred Stock and (3) the holders of at least two-thirds (2/3) of the outstanding shares of Series C Stock, voting as a single class, may terminate this Agreement in its entirety without
the consents as set forth in Section 5.5(a)(i), 5.5(a)(ii) or 5.5(a)(iii) above. 
 (b) For the purposes of determining the
number of Holders or Investors entitled to vote or exercise any rights hereunder, the Company shall be entitled to rely solely on the list of record holders of its stock as maintained by or on behalf of the Company. 

5.6 Delays or Omissions. It is agreed that no delay or omission to exercise any right, power, or remedy accruing to any party, upon any
breach, default or noncompliance by another party under this Agreement shall impair any such right, power, or remedy, nor shall it be construed to be a waiver of any such breach, default or noncompliance, or any acquiescence therein, or of any
similar breach, default or noncompliance thereafter occurring. It is further agreed that any waiver, permit, consent, or approval of any kind or character on any party’s part of any breach, default or noncompliance under the Agreement or any
waiver on such party’s part of any provisions or conditions of this Agreement must be in writing and shall be effective only to the extent specifically set forth in such writing. All remedies, either under this Agreement, by law, or otherwise
afforded to any party, shall be cumulative and not alternative. 
 5.7 Notices. All notices required or permitted hereunder
shall be in writing and shall be deemed effectively given: (a) upon personal delivery to the party to be notified, (b) when sent by confirmed electronic mail or facsimile if sent during normal business hours of the recipient; if not, then
on the next business day, (c) five (5) days after having been sent by registered or 

  
 21. 

 
certified mail, return receipt requested, postage prepaid, or (d) one (1) day after deposit with a nationally recognized overnight courier, specifying next day delivery, with written
verification of receipt. All communications shall be sent to the party to be notified at the address as set forth on the signature pages hereof or EXHIBIT A hereto or at such other address or electronic mail address as such
party may designate by ten (10) days advance written notice to the other parties hereto. 
 5.8 Attorneys’ Fees. In the
event that any suit or action is instituted under or in relation to this Agreement, including without limitation to enforce any provision in this Agreement, the prevailing party in such dispute shall be entitled to recover from the losing party all
fees, costs and expenses of enforcing any right of such prevailing party under or with respect to this Agreement, including without limitation, such reasonable fees and expenses of attorneys and accountants, which shall include, without limitation,
all fees, costs and expenses of appeals. 
 5.9 Titles and Subtitles. The titles of the sections and subsections of this
Agreement are for convenience of reference only and are not to be considered in construing this Agreement. 
 5.10 Additional
Investors. Notwithstanding anything to the contrary contained herein, if the Company shall issue additional shares of its Preferred Stock pursuant to the Purchase Agreement, any purchaser of such shares of Preferred Stock shall become a party to
this Agreement by executing and delivering an additional counterpart signature page to this Agreement and shall be deemed an “Investor,” a “Holder” and a party hereunder.
Notwithstanding anything to the contrary contained herein, if the Company shall issue Equity Securities in accordance with Section 4.6 (d), (e) or (f) of this Agreement, any purchaser of such Equity Securities may become a party to
this Agreement by executing and delivering an additional counterpart signature page to this Agreement and shall be deemed an “Investor,” a “Holder” and a party hereunder.

 5.11 Counterparts. This Agreement may be executed in any number of counterparts, each of which shall be an original, but all
of which together shall constitute one instrument. 
 5.12 Aggregation of Stock. All shares of Registrable Securities held or
acquired by affiliated entities or persons or persons or entities under common management or control shall be aggregated together for the purpose of determining the availability of any rights under this Agreement. 

5.13 Pronouns. All pronouns contained herein, and any variations thereof, shall be deemed to refer to the masculine, feminine or
neutral, singular or plural, as to the identity of the parties hereto may require. 
 5.14 Termination. This Agreement shall
terminate and be of no further force or effect upon the earlier of (a) an Acquisition; or (b) the date three (3) years following the effective date of an Initial Offering that results in the conversion of all outstanding shares of
Preferred Stock. 
 [THIS SPACE INTENTIONALLY LEFT BLANK] 

  
 22. 

 IN WITNESS WHEREOF, the parties hereto have
executed this AMENDED AND RESTATED INVESTOR RIGHTS AGREEMENT As of the date set forth in the first paragraph hereof. 

 

	
	COMPANY:
	
	ARIA DIAGNOSTICS, INC.
	
	 /s/ Kenneth Song

	Kenneth Song,
	Chief Executive Officer

 [SIGNATURE PAGE TO THE ARIA
DIAGNOSTICS, INC. 
 AMENDED AND RESTATED
INVESTOR RIGHTS AGREEMENT] 

 IN WITNESS WHEREOF, the parties hereto have
executed this AMENDED AND RESTATED INVESTOR RIGHTS AGREEMENT as of the date set forth in the first paragraph hereof. 

 

			
	INVESTORS:
	
	MERITECH CAPITAL PARTNERS IV L.P.
		
	By:	 	 Meritech Capital Associates IV L.L.C.
 its
General Partner

		
	By:	 	 /s/ Craig Sherman

		 	Craig Sherman, a managing member
	
	MERITECH CAPITAL AFFILIATES IV L.P.
		
	By:	 	 Meritech Capital Associates IV L.L.C.
 its
General Partner

		
	By:	 	 /s/ Craig Sherman

		 	Craig Sherman, a managing member

 Address: 
 245 Lytton Avenue,
Suite 350 
 Palo Alto, CA 94301 
 Attn: Joel Backman 

phone: (650) 475-2200 
 fax: (650) 475-2222 

with a copy to: 
 Latham & Watkins LLP 

Attn: Mark V. Roeder, Esq. 
 140 Scott Drive 

Menlo Park, CA 94025 
 Fax: (650) 463-2600 

 IN WITNESS WHEREOF, the parties hereto have
executed this AMENDED AND RESTATED INVESTOR RIGHTS AGREEMENT as of the date set forth in the first paragraph hereof. 

 

			
	INVESTORS:
	
	VENROCK ASSOCIATES V, L.P.
	By:	 	Venrock Management V, LLC
	Its:	 	General Partner
		
	By:	 	 /s/ David L. Stepp

		 	David L. Stepp
		 	Authorized Signatory
	
	VENROCK PARTNERS V, L.P.
	By:	 	Venrock Partners Management V, LLC
	Its:	 	General Partner
		
	By:	 	 /s/ David L. Stepp

		 	David L. Stepp
		 	Authorized Signatory
	
	VENROCK ENTREPRENEURS FUND V, L.P.
	By:	 	VEF Management V, LLC
	Its:	 	General Partner
		
	By:	 	 /s/ David L. Stepp

		 	David L. Stepp
		 	Authorized Signatory

 IN WITNESS WHEREOF, the parties hereto have
executed this AMENDED AND RESTATED INVESTOR RIGHTS AGREEMENT as of the date set forth in the first paragraph hereof. 

INVESTORS: 
 DOMAIN
PARTNERS VIII, L.P. 
  

			
	By:	 	One Palmer Square Associates VIII, L.L.C.,
	Its General Partner
		
	By:	 	 /s/ Lisa A. Kraeutler

	Name:	 	 Lisa A. Kraeutler

	Title:	 	 Attorney-in-Fact

	
	DP VIII ASSOCIATES, L.P.
		
	By:	 	One Palmer Square Associates VIII, L.L.C.,
	Its General Partner
		
	By:	 	 /s/ Lisa A. Kraeutler

	Name:	 	 Lisa A. Kraeutler

	Title:	 	 Attorney-in-Fact

 IN WITNESS WHEREOF, the parties hereto have
executed this AMENDED AND RESTATED INVESTOR RIGHTS AGREEMENT as of the date set forth in the first paragraph hereof. 

INVESTORS: 
 FIDELITY
MT. VERNON STREET TRUST: 
 FIDELITY GROWTH
COMPANY FUND 
  

			
	By:	 	 /s/ Jeffrey Christian

	Name:	 	 Jeffrey Christian

	Title:	 	 Deputy Treasurer

 [SIGNATURE PAGE TO THE ARIA
DIAGNOSTICS, INC. 
 AMENDED AND RESTATED
INVESTOR RIGHTS AGREEMENT] 

 IN WITNESS WHEREOF, the parties hereto have
executed this AMENDED AND RESTATED INVESTOR RIGHTS AGREEMENT as of the date set forth in the first paragraph hereof. 

INVESTORS: 
 FIDELITY
SELECT PORTFOLIOS: 
 HEALTH CARE PORTFOLIO 

 

			
	By:	 	 /s/ Jeffrey Christian

	Name:	 	 Jeffrey Christian

	Title:	 	 Deputy Treasurer

 [SIGNATURE PAGE TO THE ARIA
DIAGNOSTICS, INC. 
 AMENDED AND RESTATED
INVESTOR RIGHTS AGREEMENT] 

 IN WITNESS WHEREOF, the parties hereto have
executed this AMENDED AND RESTATED INVESTOR RIGHTS AGREEMENT as of the date set forth in the first paragraph hereof. 

 

			
	INVESTORS:
	
	FIDELITY SELECT PORTFOLIOS:
	MEDICAL EQUIPMENT AND SYSTEMS PORTFOLIO
		
	By:	 	 /s/ Jeffrey Christian

	Name:	 	 Jeffrey Christian

	Title:	 	 Deputy Treasurer

 [SIGNATURE PAGE TO THE ARIA
DIAGNOSTICS, INC. 
 AMENDED AND RESTATED
INVESTOR RIGHTS AGREEMENT] 

 IN WITNESS WHEREOF, the parties hereto have
executed this AMENDED AND RESTATED INVESTOR RIGHTS AGREEMENT as of the date set forth in the first paragraph hereof. 

INVESTORS: 
 VENROCK HEALTHCARE CAPITAL PARTNERS, L.P.

  

			
	By:	 	VHCP Management, LLC, its General Partner
		
	By:	 	 /s/ David L. Stepp

	Name:	 	  

	Title:	 	  

 VHCP CO-INVESTMENT HOLDINGS, LLC 
  

			
	By:	 	VHCP Management, LLC, its Manager
		
	By:	 	 /s/ David L. Stepp

	Name:	 	  

	Title:	 	  

 IN WITNESS WHEREOF, the
parties hereto have executed this AMENDED AND RESTATED INVESTOR RIGHTS AGREEMENT as of the date set forth in the first paragraph hereof.

 INVESTORS: 
 ILLUMINA,
INC. 
  

			
	By:	 	 /s/ Nicholas J. Naclerio

		 	Nicholas J. Naclerio
		 	Senior Vice President, Corporate and Venture Development

 IN WITNESS WHEREOF, the parties hereto have
executed this AMENDED AND RESTATED INVESTOR RIGHTS AGREEMENT as of the date set forth in the first paragraph hereof. 

INVESTORS: 
 JOHN R.
STUELPNAGEL TRUST 
  

			
	By:	 	 /s/ John R. Stuelpnagel

		 	John R. Stuelpnagel
		 	Trustee

 IN WITNESS WHEREOF, the parties hereto have
executed this AMENDED AND RESTATED INVESTOR RIGHTS AGREEMENT as of the date set forth in the first paragraph hereof. 

INVESTORS: 
 THE BOARD
OF TRUSTEES OF THE LELAND 
 STANFORD JUNIOR
UNIVERSITY (SBST) 
  

			
	By:	 	 /s/ Martina Poquet

		 	Martina Poquet
		 	Managing Director - Separate Investments

 EXHIBIT A 

SCHEDULE OF INVESTORS 

Andrew Yun 
 Berg and Berg
Enterprises, LLC 
 Ed Wormser 

Emily Becker 
 Domain Partners
VIII, L.P. 
 DP VIII Associates, L.P. 

Fidelity Mt. Vernon Street Trust: Fidelity Growth Company Fund 

Fidelity Select Portfolios: Health Care Portfolio 

Fidelity Select Portfolios: Medical Equipment and Systems Portfolio 

Illumina, Inc. 
 James Tweddell

 John R. Stuelpnagel Trust 

Junpei Yamaji 
 Kenneth Song

 Ki Bom Son 
 Meritech
Capital Partners IV L.P. 
 Meritech Capital Affiliates IV L.P. 

Michael Cho 
 Michael Edward
Mitchell 
 Michael Edward Mitchell and Aoy Tomita-Mitchell 

Michael Ernst and Constance Mitchell 

Nobuya and Taeko Tomita 

  
 A-1 

SCHEDULE OF INVESTORS 

 Richard T. Stuelpnagel 

Robert Nelsen 
 Ryu Tomita 

Shiko Naganuma 
 The Board of
Trustees of the Leland Stanford Junior University (SBST) 
 The Flatley Family Trust 

Venrock Associates V, LP 

Venrock Entrepreneurs Fund V, LP 

Venrock Partners V, LP 
 Venrock
Healthcare Capital Partners, L.P. 
 VHCP Co-Investment Holdings, LLC 

  
 A-2 

SCHEDULE OF INVESTORSEX-10.2

 Exhibit 10.2 

ARIOSA DIAGNOSTICS, INC. 

2009 EQUITY INCENTIVE PLAN 

ADOPTED BY THE BOARD OF DIRECTORS:
DECEMBER 1, 2009 
 APPROVED BY THE STOCKHOLDERS:
DECEMBER 1, 2009 
 AMENDED BY THE BOARD
OF DIRECTORS: MARCH 26, 2010 
 AMENDED BY
THE BOARD OF DIRECTORS: MAY 24, 2010 

APPROVED BY THE STOCKHOLDERS: MAY 24, 2010 

AMENDED BY THE BOARD OF DIRECTORS:
NOVEMBER 30, 2011 
 APPROVED BY THE STOCKHOLDERS:
NOVEMBER 30, 2011 
 AMENDED BY THE BOARD
OF DIRECTORS: JULY 25, 2013 
 AMENDED BY
THE BOARD OF DIRECTORS: OCTOBER 30, 2013 

AMENDED BY THE BOARD OF DIRECTORS:
JANUARY 23, 2014 
 TERMINATION DATE: DECEMBER 1, 2019 

 

	1.	GENERAL. 

 (a) Eligible Stock Award Recipients. The persons
eligible to receive Stock Awards are Employees, Directors and Consultants. 
 (b) Available Stock Awards. The Plan provides for the
grant of the following Stock Awards: (i) Incentive Stock Options, (ii) Nonstatutory Stock Options, (iii) Restricted Stock Awards, (iv) Restricted Stock Unit Awards, and (v) Stock Appreciation Rights. 

(c) Purpose. The Company, by means of the Plan, seeks to secure and retain the services of the group of persons eligible to receive
Stock Awards as set forth in Section 1(a), to provide incentives for such persons to exert maximum efforts for the success of the Company and any Affiliate, and to provide a means by which such eligible recipients may be given an opportunity to
benefit from increases in value of the Common Stock through the granting of Stock Awards. 
  

	2.	ADMINISTRATION. 

 (a) Administration by Board. The Board shall
administer the Plan unless and until the Board delegates administration of the Plan to a Committee, as provided in Section 2(c). 
 (b)
Powers of Board. The Board shall have the power, subject to, and within the limitations of, the express provisions of the Plan: 

(i) To determine from time to time (A) which of the persons eligible under the Plan shall be granted Stock Awards; (B) when
and how each Stock Award shall be granted; (C) what type or combination of types of Stock Award shall be granted; (D) the provisions of each Stock Award granted (which need not be identical), including the time or times when a person shall
be permitted to receive cash or Common Stock pursuant to a Stock Award; (E) the number of shares of Common Stock with respect to which a Stock Award shall be granted to each such person; and (F) the Fair Market Value applicable to a Stock
Award. 

  
 1. 

 (ii) To construe and interpret the Plan and Stock Awards granted under it, and to
establish, amend and revoke rules and regulations for administration of the Plan. The Board, in the exercise of this power, may correct any defect, omission or inconsistency in the Plan or in any Stock Award Agreement, in a manner and to the extent
it shall deem necessary or expedient to make the Plan or Stock Award fully effective. 
 (iii) To settle all controversies regarding
the Plan and Stock Awards granted under it. 
 (iv) To accelerate the time at which a Stock Award may first be exercised or the time
during which a Stock Award or any part thereof will vest in accordance with the Plan, notwithstanding the provisions in the Stock Award stating the time at which it may first be exercised or the time during which it will vest. 

(v) To suspend or terminate the Plan at any time. Suspension or termination of the Plan shall not impair rights and obligations under
any Stock Award granted while the Plan is in effect except with the written consent of the affected Participant. 
 (vi) To amend the
Plan in any respect the Board deems necessary or advisable, including, without limitation, relating to Incentive Stock Options and certain nonqualified deferred compensation under Section 409A of the Code and/or to bring the Plan or Stock
Awards granted under the Plan into compliance therewith, subject to the limitations, if any, of applicable law. However, except as provided in Section 9(a) relating to Capitalization Adjustments, to the extent required by applicable law,
stockholder approval shall be required for any amendment of the Plan that either (i) materially increases the number of shares of Common Stock available for issuance under the Plan, (ii) materially expands the class of individuals eligible
to receive Stock Awards under the Plan, (iii) materially increases the benefits accruing to Participants under the Plan or materially reduces the price at which shares of Common Stock may be issued or purchased under the Plan,
(iv) materially extends the term of the Plan, or (v) expands the types of Stock Awards available for issuance under the Plan. Except as provided above, rights under any Stock Award granted before amendment of the Plan shall not be impaired
by any amendment of the Plan unless (i) the Company requests the consent of the affected Participant, and (ii) such Participant consents in writing.  

(vii) To submit any amendment to the Plan for stockholder approval, including, but not limited to, amendments to the Plan intended to
satisfy the requirements of Section 422 of the Code regarding Incentive Stock Options. 
 (viii) To approve forms of Stock Award
Agreements for use under the Plan and to amend the terms of any one or more Stock Awards, including, but not limited to, amendments to provide terms more favorable than previously provided in the Stock Award Agreement, subject to any specified
limits in the Plan that are not subject to Board discretion; provided however, that, the rights under any Stock Award shall not be impaired by any such amendment unless (i) the Company requests the consent of the affected Participant, and
(ii) such Participant consents in writing. Notwithstanding the foregoing, subject to the limitations of applicable law, if any, and without the affected Participant’s consent, the Board may amend the terms of any one

  
 2. 

 
or more Stock Awards if necessary to maintain the qualified status of the Stock Award as an Incentive Stock Option or to bring the Stock Award into compliance with Section 409A of the Code
and the related guidance thereunder. 
 (ix) Generally, to exercise such powers and to perform such acts as the Board deems necessary
or expedient to promote the best interests of the Company and that are not in conflict with the provisions of the Plan or Stock Awards. 

(x) To adopt such procedures and sub-plans as are necessary or appropriate to permit participation in the Plan by Employees, Directors
or Consultants who are foreign nationals or employed outside the United States. 
 (xi) To effect, at any time and from time to time,
with the consent of any adversely affected Optionholder, (1) the reduction of the exercise price of any outstanding Option under the Plan, (2) the cancellation of any outstanding Option under the Plan and the grant in substitution therefor
of (A) a new Option under the Plan or another equity plan of the Company covering the same or a different number of shares of Common Stock, (B) a Restricted Stock Award, (C) a Stock Appreciation Right, (D) Restricted Stock Unit,
(E) cash and/or (F) other valuable consideration (as determined by the Board, in its sole discretion), or (3) any other action that is treated as a repricing under generally accepted accounting principles; provided, however,
that no such reduction or cancellation may be effected if it is determined, in the Company’s sole discretion, that such reduction or cancellation would result in any such outstanding Option becoming subject to the requirements of
Section 409A of the Code. 
 (c) Delegation to Committee. The Board may delegate some or all of the administration of the Plan
to a Committee or Committees. If administration of the Plan is delegated to a Committee, the Committee shall have, in connection with the administration of the Plan, the powers theretofore possessed by the Board that have been delegated to the
Committee, including the power to delegate to a subcommittee of the Committee any of the administrative powers the Committee is authorized to exercise (and references in this Plan to the Board shall thereafter be to the Committee or subcommittee),
subject, however, to such resolutions, not inconsistent with the provisions of the Plan, as may be adopted from time to time by the Board. The Board may retain the authority to concurrently administer the Plan with the Committee and may, at any
time, revest in the Board some or all of the powers previously delegated. 
 (d) Delegation to an Officer. The Board may delegate to
one or more Officers of the Company the authority to do one or both of the following: (i) designate Officers and Employees of the Company or any of its Subsidiaries to be recipients of Options (and, to the extent permitted by applicable law,
other Stock Awards) and the terms thereof, and (ii) determine the number of shares of Common Stock to be subject to such Stock Awards granted to such Officers and Employees; provided, however, that the Board resolutions regarding such
delegation shall specify the total number of shares of Common Stock that may be subject to the Stock Awards granted by such Officer and that such Officer may not grant a Stock Award to himself or herself. Notwithstanding the foregoing, the Board may
not delegate authority to an Officer to determine the Fair Market Value of the Common Stock pursuant to Section 13(t) below. 

  
 3. 

 (e) Effect of Board’s Decision. All determinations, interpretations and constructions
made by the Board in good faith shall not be subject to review by any person and shall be final, binding and conclusive on all persons. 

(f) Arbitration. Any dispute or claim concerning any Stock Awards granted (or not granted) pursuant to the Plan or any disputes or
claims relating to or arising out of the Plan shall be fully, finally and exclusively resolved by binding and confidential arbitration conducted pursuant to the rules of Judicial Arbitration and Mediation Services, Inc.
(“JAMS”) in Santa Clara, California. The party raising the complaint shall pay all arbitration fees. In addition to any other relief, the arbitrator may award to the prevailing party recovery of its attorneys’ fees and
costs. By accepting a Stock Award, Participants and the Company waive their respective rights to have any such disputes or claims tried by a judge or jury. 
  

	3.	SHARES SUBJECT TO THE PLAN. 

(a) Share Reserve. Subject to Section 9(a) relating to Capitalization Adjustments, the aggregate number of shares of Common Stock
of the Company that may be issued pursuant to Stock Awards after the Effective Date shall not exceed 3,450,392 shares. For clarity, the limitation in this Section 3(a) is a limitation in the number of shares of Common Stock that may be issued
pursuant to the Plan. Accordingly, this Section 3(a) does not limit the granting of Stock Awards except as provided in Section 7(a). 

(b) Reversion of Shares to the Share Reserve. If any shares of Common Stock issued pursuant to a Stock Award are forfeited back to the
Company because of the failure to meet a contingency or condition required to vest such shares in the Participant, then the shares which are forfeited shall revert to and again become available for issuance under the Plan. Also, any shares
reacquired by the Company pursuant to Section 8(g) or as consideration for the exercise of an Option shall again become available for issuance under the Plan. Furthermore, if a Stock Award (i) expires or otherwise terminates without having
been exercised in full or (ii) is settled in cash (i.e., the holder of the Stock Award receives cash rather than stock), such expiration, termination or settlement shall not reduce (or otherwise offset) the number of shares of Common
Stock that may be issued pursuant to the Plan. Notwithstanding the provisions of this Section 3(b), any such shares shall not be subsequently issued pursuant to the exercise of Incentive Stock Options. 

(c) Incentive Stock Option Limit. Notwithstanding anything to the contrary in this Section 3(c), subject to the provisions of
Section 9(a) relating to Capitalization Adjustments, the aggregate maximum number of shares of Common Stock that may be issued pursuant to the exercise of Incentive Stock Options shall be 3,450,392 shares of Common Stock. 

(d) Source of Shares. The stock issuable under the Plan shall be shares of authorized but unissued or reacquired Common Stock,
including shares repurchased by the Company on the open market. 

  
 4. 

	4.	ELIGIBILITY. 

 (a) Eligibility for Specific Stock Awards. Incentive
Stock Options may be granted only to employees of the Company or a “parent corporation” or “subsidiary corporation” thereof (as such terms are defined in Sections 424(e) and (f) of the Code). Stock Awards other than
Incentive Stock Options may be granted to Employees, Directors and Consultants. 
 (b) Ten Percent Stockholders. A Ten Percent
Stockholder shall not be granted an Incentive Stock Option unless the exercise price of such Option is at least one hundred ten percent (110%) of the Fair Market Value of the Common Stock on the date of grant and the Option is not exercisable
after the expiration of five (5) years from the date of grant. 
 (c) Consultants. A Consultant shall not be eligible for the
grant of a Stock Award if, at the time of grant, either the offer or the sale of the Company’s securities to such Consultant is not exempt under Rule 701 of the Securities Act (“Rule 701”) because of the nature of the
services that the Consultant is providing to the Company, because the Consultant is not a natural person, or because of any other provision of Rule 701, unless the Company determines that such grant need not comply with the requirements of Rule 701
and will satisfy another exemption under the Securities Act as well as comply with the securities laws of all other relevant jurisdictions. 
  

	5.	OPTION PROVISIONS. 

 Each Option shall be in such form and
shall contain such terms and conditions as the Board shall deem appropriate. All Options shall be separately designated Incentive Stock Options or Nonstatutory Stock Options at the time of grant, and, if certificates are issued, a separate
certificate or certificates shall be issued for shares of Common Stock purchased on exercise of each type of Option. If an Option is not specifically designated as an Incentive Stock Option, then the Option shall be a Nonstatutory Stock Option. The
provisions of separate Options need not be identical; provided, however, that each Option Agreement shall include (through incorporation of provisions hereof by reference in the Option Agreement or otherwise) the substance of each of the
following provisions: 
 (a) Term. Subject to the provisions of Section 4(b) regarding Ten Percent Stockholders, no Option shall
be exercisable after the expiration of ten (10) years from the date of its grant or such shorter period specified in the Option Agreement. 

(b) Exercise Price. Subject to the provisions of Section 4(b) regarding Incentive Stock Options granted to Ten Percent
Stockholders, the exercise price of each Option shall be not less than one hundred percent (100%) of the Fair Market Value of the Common Stock subject to the Option on the date the Option is granted. Notwithstanding the foregoing, an Option may
be granted with an exercise price lower than one hundred percent (100%) of the Fair Market Value of the Common Stock subject to the Option if such Option is granted pursuant to an assumption or substitution for another option in a manner
consistent with the provisions of Section 424(a) of the Code (whether or not such options are Incentive Stock Options). 

  
 5. 

 (c) Consideration. The purchase price of Common Stock acquired pursuant to the exercise of
an Option shall be paid, to the extent permitted by applicable law and as determined by the Board in its sole discretion, by any combination of the methods of payment set forth below. The Board shall have the authority to grant Options that do not
permit all of the following methods of payment (or otherwise restrict the ability to use certain methods) and to grant Options that require the consent of the Company to utilize a particular method of payment. The permitted methods of payment are as
follows: 
 (i) by cash, check, bank draft or money order payable to the Company; 

(ii) pursuant to a program developed under Regulation T as promulgated by the Federal Reserve Board that, prior to the issuance of the
stock subject to the Option, results in either the receipt of cash (or check) by the Company or the receipt of irrevocable instructions to pay the aggregate exercise price to the Company from the sales proceeds; 

(iii) by delivery to the Company (either by actual delivery or attestation) of shares of Common Stock; 

(iv) by a “net exercise” arrangement pursuant to which the Company will reduce the number of shares of Common Stock issued
upon exercise by the largest whole number of shares with a Fair Market Value that does not exceed the aggregate exercise price; provided, however, that the Company shall accept a cash or other payment from the Participant to the extent of any
remaining balance of the aggregate exercise price not satisfied by such reduction in the number of whole shares to be issued; provided, further, that shares of Common Stock will no longer be outstanding under an Option and will not be
exercisable thereafter to the extent that (A) shares are used to pay the exercise price pursuant to the “net exercise,” (B) shares are delivered to the Participant as a result of such exercise, and (C) shares are withheld to
satisfy tax withholding obligations; 
 (v) according to a deferred payment or similar arrangement with the Optionholder;
provided, however, that interest shall compound at least annually and shall be charged at the minimum rate of interest necessary to avoid (A) the imputation of interest income to the Company and compensation income to the Optionholder
under any applicable provisions of the Code, and (B) the classification of the Option as a liability for financial accounting purposes; or 

(vi) in any other form of legal consideration that may be acceptable to the Board. 

(d) Transferability of Options. The Board may, in its sole discretion, impose such limitations on the transferability of Options as the
Board shall determine. In the absence of such a determination by the Board to the contrary, the following restrictions on the transferability of Options shall apply: 

(i) Restrictions on Transfer. An Option shall not be transferable except by will or by the laws of descent and distribution and shall
be exercisable during the lifetime of the 

  
 6. 

 
Optionholder only by the Optionholder; provided, however, that the Board may, in its sole discretion, permit transfer of the Option to such extent as permitted by Rule 701 of the
Securities Act at the time of the grant of the Option and in a manner consistent with applicable tax and securities laws upon the Optionholder’s request. 

(ii) Domestic Relations Orders. Notwithstanding the foregoing, an Option may be transferred pursuant to a domestic relations order,
provided, however, that an Incentive Stock Option may be deemed to be a Nonstatutory Stock Option as a result of such transfer. 

(iii) Beneficiary Designation. Notwithstanding the foregoing, the Optionholder may, by delivering written notice to the Company, in a
form provided by or otherwise satisfactory to the Company, designate a third party who, in the event of the death of the Optionholder, shall thereafter be the beneficiary of an Option with the right to exercise the Option and receive the Common
Stock or other consideration resulting from the Option exercise. 
 (e) Vesting of Options Generally. The total number of shares of
Common Stock subject to an Option may vest and therefore become exercisable in periodic installments that may or may not be equal. The Option may be subject to such other terms and conditions on the time or times when it may or may not be exercised
(which may be based on the satisfaction of performance goals or other criteria) as the Board may deem appropriate. The vesting provisions of individual Options may vary. The provisions of this Section 5(e) are subject to any Option provisions
governing the minimum number of shares of Common Stock as to which an Option may be exercised. 
 (f) Termination of Continuous
Service. Except as otherwise provided in the applicable Option Agreement or other agreement between the Optionholder and the Company, in the event that an Optionholder’s Continuous Service terminates (other than for Cause or upon the
Optionholder’s death or Disability), the Optionholder may exercise his or her Option (to the extent that the Optionholder was entitled to exercise such Option as of the date of termination of Continuous Service) but only within such period of
time ending on the earlier of (i) the date three (3) months following the termination of the Optionholder’s Continuous Service (or such longer or shorter period specified in the Option Agreement, which period shall not be less than
thirty (30) days unless such termination is for Cause), or (ii) the expiration of the term of the Option as set forth in the Option Agreement. If, after termination of Continuous Service, the Optionholder does not exercise his or her
Option within the time specified herein or in the Option Agreement (as applicable), the Option shall terminate. 
 (g) Extension of
Termination Date. Except as otherwise provided in the applicable Option Agreement or other agreement between the Optionholder and the Company, if the exercise of the Option following the termination of the Optionholder’s Continuous Service
(other than for Cause or upon the Optionholder’s death or Disability) would be prohibited at any time solely because the issuance of shares of Common Stock would violate the registration requirements under the Securities Act, then the Option
shall terminate on the earlier of (i) the expiration of a period of three (3) months after the termination of the Optionholder’s Continuous Service during which the exercise of the Option would not be in violation of such registration
requirements, or (ii) the expiration of the term of the Option as set forth in the Option Agreement. 

  
 7. 

 (h) Disability of Optionholder. Except as otherwise provided in the applicable Option
Agreement or other agreement between the Optionholder and the Company, in the event that an Optionholder’s Continuous Service terminates as a result of the Optionholder’s Disability, the Optionholder may exercise his or her Option (to the
extent that the Optionholder was entitled to exercise such Option as of the date of termination of Continuous Service), but only within such period of time ending on the earlier of (i) the date twelve (12) months following such termination
of Continuous Service (or such longer or shorter period specified in the Option Agreement, which period shall not be less than six (6) months), or (ii) the expiration of the term of the Option as set forth in the Option Agreement. If,
after termination of Continuous Service, the Optionholder does not exercise his or her Option within the time specified herein or in the Option Agreement (as applicable), the Option shall terminate. 

(i) Death of Optionholder. Except as otherwise provided in the applicable Option Agreement or other agreement between the Optionholder
and the Company, in the event that (i) an Optionholder’s Continuous Service terminates as a result of the Optionholder’s death, or (ii) the Optionholder dies within the period (if any) specified in the Option Agreement after the
termination of the Optionholder’s Continuous Service for a reason other than death or for Cause, then the Option may be exercised (to the extent the Optionholder was entitled to exercise such Option as of the date of death) by the
Optionholder’s estate, by a person who acquired the right to exercise the Option by bequest or inheritance or by a person designated as the beneficiary of the Option upon the Optionholder’s death, but only within the period ending on the
earlier of (i) the date eighteen (18) months following the date of death (or such longer or shorter period specified in the Option Agreement, which period shall not be less than six (6) months), or (ii) the expiration of the term
of such Option as set forth in the Option Agreement. If, after the Optionholder’s death, the Option is not exercised within the time specified herein or in the Option Agreement (as applicable), the Option shall terminate. If the Optionholder
designates a third party beneficiary of the Option in accordance with Section 5(d)(iii), then upon the death of the Optionholder such designated beneficiary shall have the sole right to exercise the Option and receive the Common Stock or other
consideration resulting from the Option exercise. 
 (j) Termination for Cause. Except as explicitly provided otherwise in an
Optionholder’s Option Agreement, in the event that an Optionholder’s Continuous Service is terminated for Cause, the Option shall terminate upon the termination date of such Optionholder’s Continuous Service, and the Optionholder
shall be prohibited from exercising his or her Option from and after the time of such termination of Continuous Service. 
 (k)
Non-Exempt Employees. No Option granted to an Employee that is a non-exempt employee for purposes of the Fair Labor Standards Act of 1938, as amended, shall be first exercisable for any shares of Common Stock until at least six months following
the date of grant of the Option. The foregoing provision is intended to operate so that any income derived by a non-exempt employee in connection with the exercise or vesting of an Option will be exempt from his or her regular rate of pay. 

  
 8. 

 (l) Early Exercise. The Option may, but need not, include a provision whereby the
Optionholder may elect at any time before the Optionholder’s Continuous Service terminates to exercise the Option as to any part or all of the shares of Common Stock subject to the Option prior to the full vesting of the Option. Subject to the
“Repurchase Limitation” in Section 8(l), any unvested shares of Common Stock so purchased may be subject to a repurchase option in favor of the Company or to any other restriction the Board determines to be appropriate. Provided that
the “Repurchase Limitation” in Section 8(l) is not violated, the Company shall not be required to exercise its repurchase option until at least six (6) months (or such longer or shorter period of time required to avoid
classification of the Option as a liability for financial accounting purposes) have elapsed following exercise of the Option unless the Board otherwise specifically provides in the Option Agreement. 

(m) Right of Repurchase. Subject to the “Repurchase Limitation” in Section 8(l), the Option may include a provision
whereby the Company may elect to repurchase all or any part of the vested shares of Common Stock acquired by the Optionholder pursuant to the exercise of the Option.  

(n) Right of First Refusal. The Option may include a provision whereby the Company may elect to exercise a right of first refusal
following receipt of notice from the Optionholder of the intent to transfer all or any part of the shares of Common Stock received upon the exercise of the Option. Such right of first refusal shall be subject to the “Repurchase Limitation”
in Section 8(l). Except as expressly provided in this Section 5(n) or in the Option Agreement, such right of first refusal shall otherwise comply with any applicable provisions of the Bylaws of the Company.  

 

	6.	PROVISIONS OF STOCK AWARDS OTHER THAN OPTIONS. 

(a) Restricted Stock Awards. Each Restricted Stock Award Agreement shall be in such form and shall contain such terms and conditions as
the Board shall deem appropriate. To the extent consistent with the Company’s Bylaws, at the Board’s election, shares of Common Stock may be (x) held in book entry form subject to the Company’s instructions until any restrictions
relating to the Restricted Stock Award lapse; or (y) evidenced by a certificate, which certificate shall be held in such form and manner as determined by the Board. The terms and conditions of Restricted Stock Award Agreements may change from
time to time, and the terms and conditions of separate Restricted Stock Award Agreements need not be identical; provided, however, that each Restricted Stock Award Agreement shall include (through incorporation of the provisions
hereof by reference in the agreement or otherwise) the substance of each of the following provisions: 
 (i) Consideration. A
Restricted Stock Award may be awarded in consideration for (A) past or future services actually or to be rendered to the Company or an Affiliate, or (B) any other form of legal consideration that may be acceptable to the Board in its sole
discretion and permissible under applicable law. 

  
 9. 

 (ii) Vesting. Subject to the “Repurchase Limitation” in Section 8(l),
shares of Common Stock awarded under the Restricted Stock Award Agreement may be subject to forfeiture to the Company in accordance with a vesting schedule to be determined by the Board. 

(iii) Termination of Participant’s Continuous Service. In the event a Participant’s Continuous Service terminates, the
Company may receive via a forfeiture condition, any or all of the shares of Common Stock held by the Participant which have not vested as of the date of termination of Continuous Service under the terms of the Restricted Stock Award Agreement. 

(iv) Transferability. Rights to acquire shares of Common Stock under the Restricted Stock Award Agreement shall be transferable by the
Participant only upon such terms and conditions as are set forth in the Restricted Stock Award Agreement, as the Board shall determine in its sole discretion, so long as Common Stock awarded under the Restricted Stock Award Agreement remains subject
to the terms of the Restricted Stock Award Agreement. 
 (b) Restricted Stock Unit Awards. Each Restricted Stock Unit Award Agreement
shall be in such form and shall contain such terms and conditions as the Board shall deem appropriate. The terms and conditions of Restricted Stock Unit Award Agreements may change from time to time, and the terms and conditions of separate
Restricted Stock Unit Award Agreements need not be identical, provided, however, that each Restricted Stock Unit Award Agreement shall include (through incorporation of the provisions hereof by reference in the Agreement or otherwise) the
substance of each of the following provisions: 
 (i) Consideration. At the time of grant of a Restricted Stock Unit Award, the Board
will determine the consideration, if any, to be paid by the Participant upon delivery of each share of Common Stock subject to the Restricted Stock Unit Award. The consideration to be paid (if any) by the Participant for each share of Common Stock
subject to a Restricted Stock Unit Award may be paid in any form of legal consideration that may be acceptable to the Board in its sole discretion and permissible under applicable law. 

(ii) Vesting. At the time of the grant of a Restricted Stock Unit Award, the Board may impose such restrictions or conditions to the
vesting of the Restricted Stock Unit Award as it, in its sole discretion, deems appropriate. 
 (iii) Payment. A Restricted Stock
Unit Award may be settled by the delivery of shares of Common Stock, their cash equivalent, any combination thereof or in any other form of consideration, as determined by the Board and contained in the Restricted Stock Unit Award Agreement. 

(iv) Additional Restrictions. At the time of the grant of a Restricted Stock Unit Award, the Board, as it deems appropriate, may impose
such restrictions or conditions that delay the delivery of the shares of Common Stock (or their cash equivalent) subject to a Restricted Stock Unit Award to a time after the vesting of such Restricted Stock Unit Award. 

  
 10. 

 (v) Dividend Equivalents. Dividend equivalents may be credited in respect of shares of
Common Stock covered by a Restricted Stock Unit Award, as determined by the Board and contained in the Restricted Stock Unit Award Agreement. At the sole discretion of the Board, such dividend equivalents may be converted into additional shares of
Common Stock covered by the Restricted Stock Unit Award in such manner as determined by the Board. Any additional shares covered by the Restricted Stock Unit Award credited by reason of such dividend equivalents will be subject to all the terms and
conditions of the underlying Restricted Stock Unit Award Agreement to which they relate. 
 (vi) Termination of Participant’s
Continuous Service. Except as otherwise provided in the applicable Restricted Stock Unit Award Agreement, such portion of the Restricted Stock Unit Award that has not vested will be forfeited upon the Participant’s termination of Continuous
Service. 
 (vii) Compliance with Section 409A of the Code. Notwithstanding anything to the contrary set forth herein, any
Restricted Stock Unit Award granted under the Plan that is not exempt from the requirements of Section 409A of the Code shall contain such provisions so that such Restricted Stock Unit Award will comply with the requirements of
Section 409A of the Code. Such restrictions, if any, shall be determined by the Board and contained in the Restricted Stock Unit Award Agreement evidencing such Restricted Stock Unit Award. For example, such restrictions may include, without
limitation, a requirement that any Common Stock that is to be issued in a year following the year in which the Restricted Stock Unit Award vests must be issued in accordance with a fixed pre-determined schedule. 

(c) Stock Appreciation Rights. Each Stock Appreciation Right Agreement shall be in such form and shall contain such terms and
conditions as the Board shall deem appropriate. Stock Appreciation Rights may be granted as stand-alone Stock Awards or in Ariosa with other Stock Awards. The terms and conditions of Stock Appreciation Right Agreements may change from time to time,
and the terms and conditions of separate Stock Appreciation Right Agreements need not be identical; provided, however, that each Stock Appreciation Right Agreement shall include (through incorporation of the provisions hereof by reference in
the agreement or otherwise) the substance of each of the following provisions: 
 (i) Term. No Stock Appreciation Right shall be
exercisable after the expiration of ten (10) years from the date of grant or such shorter period specified in the Stock Appreciation Right Agreement. 

(ii) Strike Price. Each Stock Appreciation Right will be denominated in shares of Common Stock equivalents. The strike price of each
Stock Appreciation Right granted as a stand-alone or Ariosa Stock Award shall not be less than one hundred percent (100%) of the Fair Market Value of the Common Stock equivalents subject to the Stock Appreciation Right on the date of grant.

 (iii) Calculation of Appreciation. The appreciation distribution payable on the exercise of a Stock Appreciation Right will be not
greater than an amount equal to the excess of (A) the aggregate Fair Market Value (on the date of the exercise of the Stock Appreciation 

  
 11. 

 
Right) of a number of shares of Common Stock equal to the number of shares of Common Stock equivalents in which the Participant is vested under such Stock Appreciation Right, and with respect to
which the Participant is exercising the Stock Appreciation Right on such date, over (B) the strike price that will be determined by the Board on the date of grant. 

(iv) Vesting. At the time of the grant of a Stock Appreciation Right, the Board may impose such restrictions or conditions to the
vesting of such Stock Appreciation Right as it, in its sole discretion, deems appropriate. 
 (v) Exercise. To exercise any
outstanding Stock Appreciation Right, the Participant must provide written notice of exercise to the Company in compliance with the provisions of the Stock Appreciation Right Agreement evidencing such Stock Appreciation Right. 

(vi) Non-Exempt Employees. No Stock Appreciation Right granted to an Employee that is a non-exempt employee for purposes of the Fair
Labor Standards Act of 1938, as amended, shall be first exercisable for any shares of Common Stock until at least six months following the date of grant of the Stock Appreciation Right. The foregoing provision is intended to operate so that any
income derived by a non-exempt employee in connection with the exercise of a Stock Appreciation Right will be exempt from his or her regular rate of pay. 

(vii) Payment. The appreciation distribution in respect to a Stock Appreciation Right may be paid in Common Stock, in cash, in any
combination of the two or in any other form of consideration, as determined by the Board and contained in the Stock Appreciation Right Agreement evidencing such Stock Appreciation Right. 

(viii) Termination of Continuous Service. Except as otherwise provided in the applicable Stock Appreciation Right Agreement or other
agreement between the Participant and the Company, in the event that a Participant’s Continuous Service terminates (other than for Cause or upon the Participant’s death or Disability), the Participant may exercise his or her Stock
Appreciation Right (to the extent that the Participant was entitled to exercise such Stock Appreciation Right as of the date of termination of Continuous Service) but only within such period of time ending on the earlier of (A) the date three
(3) months following the termination of the Participant’s Continuous Service (or such longer or shorter period specified in the Stock Appreciation Right Agreement, which period shall not be less than thirty (30) days unless such
termination is for Cause), or (B) the expiration of the term of the Stock Appreciation Right as set forth in the Stock Appreciation Right Agreement. If, after termination of Continuous Service, the Participant does not exercise his or her Stock
Appreciation Right within the time specified herein or in the Stock Appreciation Right Agreement (as applicable), the Stock Appreciation Right shall terminate. 

(ix) Disability of Participant. Except as otherwise provided in the applicable Stock Appreciation Right Agreement or other agreement
between the Participant and the Company, in the event that a Participant’s Continuous Service terminates as a result of the Participant’s Disability, the Participant may exercise his or her Stock Appreciation Right (to the extent that the
Participant was entitled to exercise such Stock Appreciation Right as of the date 

  
 12. 

 
of termination of Continuous Service), but only within such period of time ending on the earlier of (A) the date twelve (12) months following such termination of Continuous Service (or
such longer or shorter period specified in the Stock Appreciation Right Agreement, which period shall not be less than six (6) months), or (B) the expiration of the term of the Stock Appreciation Right as set forth in the Stock
Appreciation Right Agreement. If, after termination of Continuous Service, the Participant does not exercise his or her Stock Appreciation Right within the time specified herein or in the Stock Appreciation Right Agreement (as applicable), the Stock
Appreciation Right shall terminate. 
 (x) Death of Participant. Except as otherwise provided in the applicable Stock Appreciation
Right Agreement or other agreement between the Participant and the Company, in the event that (i) a Participant’s Continuous Service terminates as a result of the Participant’s death, or (ii) the Participant dies within the
period (if any) specified in the Stock Appreciation Right Agreement after the termination of the Participant’s Continuous Service for a reason other than death, then the Stock Appreciation Right may be exercised (to the extent the Participant
was entitled to exercise such Stock Appreciation Right as of the date of death) by the Participant’s estate, by a person who acquired the right to exercise the Stock Appreciation Right by bequest or inheritance or by a person designated as the
beneficiary of the Stock Appreciation Right upon the Participant’s death, but only within the period ending on the earlier of (i) the date eighteen (18) months following the date of death (or such longer or shorter period specified in
the Stock Appreciation Right Agreement, which period shall not be less than six (6) months), or (ii) the expiration of the term of such Stock Appreciation Right as set forth in the Stock Appreciation Right Agreement. If, after the
Participant’s death, the Stock Appreciation Right is not exercised within the time specified herein or in the Stock Appreciation Right Agreement (as applicable), the Stock Appreciation Right shall terminate. 

(xi) Termination for Cause. Except as explicitly provided otherwise in a Participant’s Stock Appreciation Right Agreement, in the
event that a Participant’s Continuous Service is terminated for Cause, the Stock Appreciation Right shall terminate upon the termination date of such Participant’s Continuous Service, and the Participant shall be prohibited from exercising
his or her Stock Appreciation Right from and after the time of such termination of Continuous Service. 
 (xii) Compliance with
Section 409A of the Code. Notwithstanding anything to the contrary set forth herein, any Stock Appreciation Rights granted under the Plan that are not exempt from the requirements of Section 409A of the Code shall contain such
provisions so that such Stock Appreciation Rights will comply with the requirements of Section 409A of the Code. Such restrictions, if any, shall be determined by the Board and contained in the Stock Appreciation Right Agreement evidencing such
Stock Appreciation Right. For example, such restrictions may include, without limitation, a requirement that a Stock Appreciation Right that is to be paid wholly or partly in cash must be exercised and paid in accordance with a fixed pre-determined
schedule. 

  
 13. 

	7.	COVENANTS OF THE COMPANY. 

(a) Availability of Shares. During the terms of the Stock Awards, the Company shall keep available at all times the number of shares of
Common Stock reasonably required to satisfy such Stock Awards. 
 (b) Securities Law Compliance. The Company shall seek to
obtain from each regulatory commission or agency having jurisdiction over the Plan such authority as may be required to grant Stock Awards and to issue and sell shares of Common Stock upon exercise of the Stock Awards; provided,
however, that this undertaking shall not require the Company to register under the Securities Act the Plan, any Stock Award or any Common Stock issued or issuable pursuant to any such Stock Award. If, after reasonable efforts, the Company
is unable to obtain from any such regulatory commission or agency the authority that counsel for the Company deems necessary for the lawful issuance and sale of Common Stock under the Plan, the Company shall be relieved from any liability for
failure to issue and sell Common Stock upon exercise of such Stock Awards unless and until such authority is obtained. 
 (c) No
Obligation to Notify. The Company shall have no duty or obligation to any holder of a Stock Award to advise such holder as to the time or manner of exercising such Stock Award. Furthermore, the Company shall have no duty or obligation to warn or
otherwise advise such holder of a pending termination or expiration of a Stock Award or a possible period in which the Stock Award may not be exercised. The Company has no duty or obligation to minimize the tax consequences of a Stock Award to the
holder of such Stock Award. 
  

	8.	MISCELLANEOUS. 

 (a) Use of Proceeds from Sales of Common Stock.
Proceeds from the sale of shares of Common Stock pursuant to Stock Awards shall constitute general funds of the Company. 

(b) Corporate Action Constituting Grant of Stock Awards. Corporate action constituting a grant by the Company of a Stock Award to any
Participant shall be deemed completed as of the date of such corporate action, unless otherwise determined by the Board, regardless of when the instrument, certificate, or letter evidencing the Stock Award is communicated to, or actually received or
accepted by, the Participant.  
 (c) Stockholder Rights. No Participant shall be deemed to be the holder of, or to have any
of the rights of a holder with respect to, any shares of Common Stock subject to such Stock Award unless and until such Participant has satisfied all requirements for exercise of the Stock Award pursuant to its terms and the Participant shall not be
deemed to be a stockholder of record until the issuance of the Common Stock pursuant to such exercise has been entered into the books and records of the Company. 

(d) No Employment or Other Service Rights. Nothing in the Plan, any Stock Award Agreement or any other instrument executed thereunder
or in connection with any Stock Award granted pursuant thereto shall confer upon any Participant any right to continue to serve 

  
 14. 

 
the Company or an Affiliate in the capacity in effect at the time the Stock Award was granted or shall affect the right of the Company or an Affiliate to terminate (i) the employment of an
Employee with or without notice and with or without cause, (ii) the service of a Consultant pursuant to the terms of such Consultant’s agreement with the Company or an Affiliate, or (iii) the service of a Director pursuant to the
Bylaws of the Company or an Affiliate, and any applicable provisions of the corporate law of the state in which the Company or the Affiliate is incorporated, as the case may be. 

(e) Incentive Stock Option $100,000 Limitation. To the extent that the aggregate Fair Market Value (determined at the time of grant) of
Common Stock with respect to which Incentive Stock Options are exercisable for the first time by any Optionholder during any calendar year (under all plans of the Company and any Affiliates) exceeds one hundred thousand dollars ($100,000), the
Options or portions thereof that exceed such limit (according to the order in which they were granted) shall be treated as Nonstatutory Stock Options, notwithstanding any contrary provision of the applicable Option Agreement(s). 

(f) Investment Assurances. The Company may require a Participant, as a condition of exercising or acquiring Common Stock under any
Stock Award, (i) to give written assurances satisfactory to the Company as to the Participant’s knowledge and experience in financial and business matters and/or to employ a purchaser representative reasonably satisfactory to the Company
who is knowledgeable and experienced in financial and business matters and that he or she is capable of evaluating, alone or together with the purchaser representative, the merits and risks of exercising the Stock Award; and (ii) to give
written assurances satisfactory to the Company stating that the Participant is acquiring Common Stock subject to the Stock Award for the Participant’s own account and not with any present intention of selling or otherwise distributing the
Common Stock. The foregoing requirements, and any assurances given pursuant to such requirements, shall be inoperative if (x) the issuance of the shares upon the exercise or acquisition of Common Stock under the Stock Award has been registered
under a then currently effective registration statement under the Securities Act, or (y) as to any particular requirement, a determination is made by counsel for the Company that such requirement need not be met in the circumstances under the
then applicable securities laws. The Company may, upon advice of counsel to the Company, place legends on stock certificates issued under the Plan as such counsel deems necessary or appropriate in order to comply with applicable securities laws,
including, but not limited to, legends restricting the transfer of the Common Stock.  
 (g) Withholding Obligations. To the
extent provided by the terms of a Stock Award Agreement, the Company may, in its sole discretion, satisfy any federal, state or local tax withholding obligation relating to a Stock Award by any of the following means (in addition to the
Company’s right to withhold from any compensation paid to the Participant by the Company) or by a combination of such means: (i) causing the Participant to tender a cash payment; (ii) withholding shares of Common Stock from the shares
of Common Stock issued or otherwise issuable to the Participant in connection with the Stock Award; provided, however, that no shares of Common Stock are withheld with a value exceeding the minimum amount of tax required to be withheld by law
(or such lower amount as may be necessary to avoid classification of the Stock Award as a liability for financial accounting purposes); (iii) withholding payment from any amounts otherwise payable to the Participant; (iv) withholding cash
from a Stock Award settled in cash; or (v) by such other method as may be set forth in the Stock Award Agreement. 

  
 15. 

 (h) Electronic Delivery. Any reference herein to a “written” agreement or
document shall include any agreement or document delivered electronically or posted on the Company’s intranet. 
 (i)
Deferrals. To the extent permitted by applicable law, the Board, in its sole discretion, may determine that the delivery of Common Stock or the payment of cash, upon the exercise, vesting or settlement of all or a portion of any Stock Award may
be deferred and may establish programs and procedures for deferral elections to be made by Participants. Deferrals by Participants will be made in accordance with Section 409A of the Code. Consistent with Section 409A of the Code, the
Board may provide for distributions while a Participant is still an employee. The Board is authorized to make deferrals of Stock Awards and determine when, and in what annual percentages, Participants may receive payments, including lump sum
payments, following the Participant’s termination of employment or retirement, and implement such other terms and conditions consistent with the provisions of the Plan and in accordance with applicable law. 

(j) Compliance with Section 409A. To the extent that the Board determines that any Stock Award granted hereunder is subject to
Section 409A of the Code, the Stock Award Agreement evidencing such Stock Award shall incorporate the terms and conditions necessary to avoid the consequences specified in Section 409A(a)(1) of the Code. To the extent applicable, the Plan
and Stock Award Agreements shall be interpreted in accordance with Section 409A of the Code and Department of Treasury regulations and other interpretive guidance issued thereunder, including without limitation any such regulations or other
guidance that may be issued or amended after the Effective Date. Notwithstanding any provision of the Plan to the contrary, in the event that following the Effective Date the Board determines that any Stock Award may be subject to Section 409A
of the Code and related Department of Treasury guidance (including such Department of Treasury guidance as may be issued after the Effective Date), the Board may adopt such amendments to the Plan and the applicable Stock Award Agreement or adopt
other policies and procedures (including amendments, policies and procedures with retroactive effect), or take any other actions, that the Board determines are necessary or appropriate to (1) exempt the Stock Award from Section 409A of the
Code and/or preserve the intended tax treatment of the benefits provided with respect to the Stock Award, or (2) comply with the requirements of Section 409A of the Code and related Department of Treasury guidance. 

(k) Compliance with Exemption Provided by Rule 12h-1(f). If: (i) the aggregate of the number of Optionholders and the number of
holders of all other outstanding compensatory employee stock options to purchase shares of Common Stock equals or exceeds five hundred (500), and (ii) the assets of the Company at the end of the Company’s most recently completed fiscal
year exceed $10 million, then the following restrictions shall apply during any period during which the Company does not have a class of its securities registered under Section 12 of the Exchange Act and is not required to file reports under
Section 15(d) of the Exchange Act:  

  
 16. 

 
(A) the Options and, prior to exercise, the shares of Common Stock acquired upon exercise of the Options may not be transferred until the Company is no longer relying on the exemption provided by
Rule 12h-1(f) promulgated under the Exchange Act (“Rule 12h-1(f)”), except: (1) as permitted by Rule 701(c) promulgated under the Securities Act, (2) to a guardian upon the disability of the Optionholder, or
(3) to an executor upon the death of the Optionholder (collectively, the “Permitted Transferees”); provided, however, the following transfers are permitted: (i) transfers by the Optionholder to the Company,
and (ii) transfers in connection with a change of control or other acquisition involving the Company, if following such transaction, the Options no longer remain outstanding and the Company is no longer relying on the exemption provided by Rule
12h-1(f); provided further, that any Permitted Transferees may not further transfer the Options; (B) except as otherwise provided in (A) above, the Options and shares of Common Stock acquired upon exercise of the Options are
restricted as to any pledge, hypothecation, or other transfer, including any short position, any “put equivalent position” as defined by Rule 16a-1(h) promulgated under the Exchange Act, or any “call equivalent position” as
defined by Rule 16a-1(b) promulgated under the Exchange Act by the Optionholder prior to exercise of an Option until the Company is no longer relying on the exemption provided by Rule 12h-1(f); and (C) at any time that the Company is relying on
the exemption provided by Rule 12h-1(f), the Company shall deliver to Optionholders (whether by physical or electronic delivery or written notice of the availability of the information on an internet site) the information required by Rule 701(e)(3),
(4), and (5) promulgated under the Securities Act every six (6) months, including financial statements that are not more than one hundred eighty (180) days old; provided, however, that the Company may condition the delivery of
such information upon the Optionholder’s agreement to maintain its confidentiality. 
 (l) Repurchase Limitation. The terms of
any repurchase option shall be specified in the Stock Award Agreement. The repurchase price for vested shares of Common Stock shall be the Fair Market Value of the shares of Common Stock on the date of repurchase. The repurchase price for unvested
shares of Common Stock shall be the lower of (i) the Fair Market Value of the shares of Common Stock on the date of repurchase or (ii) their original purchase price. However, the Company shall not exercise its repurchase option until at
least six (6) months (or such longer or shorter period of time necessary to avoid classification of the Stock Award as a liability for financial accounting purposes) have elapsed following delivery of shares of Common Stock subject to the Stock
Award, unless otherwise specifically provided by the Board. 
  

	9.	ADJUSTMENTS UPON CHANGES IN COMMON STOCK; OTHER CORPORATE EVENTS.

 (a) Capitalization Adjustments. In the event of a Capitalization Adjustment, the Board shall proportionately and
appropriately adjust: (i) the class(es) and maximum number of securities subject to the Plan pursuant to Section 3(a), (ii) the class(es) and maximum number of securities that may be issued pursuant to the exercise of Incentive Stock
Options pursuant to Section 3(c), and (iii) the class(es) and number of securities and price per share of stock subject to outstanding Stock Awards. The Board shall make such adjustments, and its determination shall be final, binding and
conclusive.  

  
 17. 

 (b) Dissolution or Liquidation. Except as otherwise provided in the Stock Award Agreement,
in the event of a dissolution or liquidation of the Company, all outstanding Stock Awards (other than Stock Awards consisting of vested and outstanding shares of Common Stock not subject to the Company’s right of repurchase) shall terminate
immediately prior to the completion of such dissolution or liquidation, and the shares of Common Stock subject to the Company’s repurchase option may be repurchased by the Company notwithstanding the fact that the holder of such Stock Award is
providing Continuous Service, provided, however, that the Board may, in its sole discretion, cause some or all Stock Awards to become fully vested, exercisable and/or no longer subject to repurchase or forfeiture (to the extent
such Stock Awards have not previously expired or terminated) before the dissolution or liquidation is completed but contingent on its completion.  

(c) Corporate Transaction. The following provisions shall apply to Stock Awards in the event of a Corporate Transaction unless
otherwise provided in the instrument evidencing the Stock Award or any other written agreement between the Company or any Affiliate and the holder of the Stock Award or unless otherwise expressly provided by the Board at the time of grant of a Stock
Award.  
 (i) Stock Awards May Be Assumed. Except as otherwise stated in the Stock Award Agreement, in the event of a
Corporate Transaction, any surviving corporation or acquiring corporation (or the surviving or acquiring corporation’s parent company) may assume or continue any or all Stock Awards outstanding under the Plan or may substitute similar stock
awards for Stock Awards outstanding under the Plan (including but not limited to, awards to acquire the same consideration paid to the stockholders of the Company pursuant to the Corporate Transaction), and any reacquisition or repurchase rights
held by the Company in respect of Common Stock issued pursuant to Stock Awards may be assigned by the Company to the successor of the Company (or the successor’s parent company, if any), in connection with such Corporate Transaction. A
surviving corporation or acquiring corporation (or its parent) may choose to assume or continue only a portion of a Stock Award or substitute a similar stock award for only a portion of a Stock Award. The terms of any assumption, continuation or
substitution shall be set by the Board in accordance with the provisions of Section 2. 
 (ii) Stock Awards Held by Current
Participants. Except as otherwise stated in the Stock Award Agreement, in the event of a Corporate Transaction in which the surviving corporation or acquiring corporation (or its parent company) does not assume or continue such outstanding Stock
Awards or substitute similar stock awards for such outstanding Stock Awards, then with respect to Stock Awards that have not been assumed, continued or substituted and that are held by Participants whose Continuous Service has not terminated prior
to the effective time of the Corporate Transaction (referred to as the “Current Participants”), the vesting of such Stock Awards (and, if applicable, the time at which such Stock Awards may be exercised) shall (contingent
upon the effectiveness of the Corporate Transaction) be accelerated in full to a date prior to the effective time of such Corporate Transaction as the Board shall determine (or, if the Board shall not determine such a date, to the date that is five
(5) days prior to the effective time of the Corporate Transaction), and such Stock Awards shall terminate if not exercised (if applicable) at or prior to the effective time of the Corporate Transaction, and any reacquisition or repurchase
rights held by the Company with respect to such Stock Awards shall lapse (contingent upon the effectiveness of the Corporate Transaction). 

  
 18. 

 (iii) Stock Awards Held by Persons other than Current Participants. Except as otherwise
stated in the Stock Award Agreement, in the event of a Corporate Transaction in which the surviving corporation or acquiring corporation (or its parent company) does not assume or continue such outstanding Stock Awards or substitute similar stock
awards for such outstanding Stock Awards, then with respect to Stock Awards that have not been assumed, continued or substituted and that are held by persons other than Current Participants, the vesting of such Stock Awards (and, if applicable, the
time at which such Stock Award may be exercised) shall not be accelerated and such Stock Awards (other than a Stock Award consisting of vested and outstanding shares of Common Stock not subject to the Company’s right of repurchase) shall
terminate if not exercised (if applicable) prior to the effective time of the Corporate Transaction; provided, however, that any reacquisition or repurchase rights held by the Company with respect to such Stock Awards shall not terminate and
may continue to be exercised notwithstanding the Corporate Transaction. 
 (iv) Payment for Stock Awards in Lieu of Exercise.
Notwithstanding the foregoing, in the event a Stock Award will terminate if not exercised prior to the effective time of a Corporate Transaction, the Board may provide, in its sole discretion, that the holder of such Stock Award may not exercise
such Stock Award but will receive a payment, in such form as may be determined by the Board, equal in value to the excess, if any, of (A) the value of the property the holder of the Stock Award would have received upon the exercise of the Stock
Award, over (B) any exercise price payable by such holder in connection with such exercise. 
 (d) Change in Control. A Stock
Award may be subject to additional acceleration of vesting and exercisability upon or after a Change in Control as may be provided in the Stock Award Agreement for such Stock Award or as may be provided in any other written agreement between the
Company or any Affiliate and the Participant, but in the absence of such provision, no such acceleration shall occur.  
  

	10.	TERMINATION OR SUSPENSION OF THE PLAN. 

(a) Plan Term. The Board may suspend or terminate the Plan at any time. Unless sooner terminated by the Board pursuant to
Section 2, the Plan shall automatically terminate on the day before the tenth (10th) anniversary of the earlier of (i) the date the Plan is adopted by the Board, or (ii) the date the Plan is approved by the stockholders of the
Company. No Stock Awards may be granted under the Plan while the Plan is suspended or after it is terminated. 
 (b) No Impairment
of Rights. Suspension or termination of the Plan shall not impair rights and obligations under any Stock Award granted while the Plan is in effect except with the written consent of the affected Participant. 

 

	11.	EFFECTIVE DATE OF PLAN. 

This Plan shall become effective on the Effective Date. 

  
 19. 

	12.	CHOICE OF LAW. 

 The law of the State of
California shall govern all questions concerning the construction, validity and interpretation of this Plan, without regard to that state’s conflict of laws rules. 
  

	13.	DEFINITIONS. As used in the Plan, the following definitions shall apply to the capitalized terms indicated below: 

(a) “Affiliate” means, at the time of determination, any “parent” or “majority-owned
subsidiary” of the Company, as such terms are defined in Rule 405 of the Securities Act. The Board shall have the authority to determine the time or times at which “parent” or “majority-owned subsidiary” status is determined
within the foregoing definition. 
 (b) “Board” means the Board of Directors of the Company. 

(c) “Capitalization Adjustment” means any change that is made in, or other events that occur with respect to,
the Common Stock subject to the Plan or subject to any Stock Award after the Effective Date without the receipt of consideration by the Company (through merger, consolidation, reorganization, recapitalization, reincorporation, stock dividend,
dividend in property other than cash, stock split, liquidating dividend, combination of shares, exchange of shares, change in corporate structure or other transaction not involving the receipt of consideration by the Company). Notwithstanding the
foregoing, the conversion of any convertible securities of the Company shall not be treated as a transaction “without the receipt of consideration” by the Company. 

(d) “Cause” means with respect to a Participant, the occurrence of any of the following events: (i) such
Participant’s commission of any felony or any crime involving fraud, dishonesty or moral turpitude under the laws of the United States or any state thereof; (ii) such Participant’s attempted commission of, or participation in, a fraud
or act of dishonesty against the Company; (iii) such Participant’s intentional, material violation of any contract or agreement between the Participant and the Company or of any statutory duty owed to the Company; (iv) such
Participant’s unauthorized use or disclosure of the Company’s confidential information or trade secrets; or (v) such Participant’s gross misconduct. The determination that a termination of the Participant’s Continuous
Service is either for Cause or without Cause shall be made by the Company in its sole discretion. Any determination by the Company that the Continuous Service of a Participant was terminated by reason of dismissal without Cause for the purposes of
outstanding Stock Awards held by such Participant shall have no effect upon any determination of the rights or obligations of the Company or such Participant for any other purpose. 

(e) “Change in Control” means the occurrence, in a single transaction or in a series of related transactions,
of any one or more of the following events: 
 (i) any Exchange Act Person becomes the Owner, directly or indirectly, of securities
of the Company representing more than fifty percent (50%) of the combined voting power of the Company’s then outstanding securities other than by virtue of a merger, consolidation or similar transaction. Notwithstanding the foregoing, a
Change in Control shall 

  
 20. 

 
not be deemed to occur (A) on account of the acquisition of securities of the Company by an investor, any affiliate thereof or any other Exchange Act Person that acquires the Company’s
securities in a transaction or series of related transactions the primary purpose of which is to obtain financing for the Company through the issuance of equity securities or (B) solely because the level of Ownership held by any Exchange Act
Person (the “Subject Person”) exceeds the designated percentage threshold of the outstanding voting securities as a result of a repurchase or other acquisition of voting securities by the Company reducing the number of shares
outstanding, provided that if a Change in Control would occur (but for the operation of this sentence) as a result of the acquisition of voting securities by the Company, and after such share acquisition, the Subject Person becomes the Owner of any
additional voting securities that, assuming the repurchase or other acquisition had not occurred, increases the percentage of the then outstanding voting securities Owned by the Subject Person over the designated percentage threshold, then a Change
in Control shall be deemed to occur; 
 (ii) there is consummated a merger, consolidation or similar transaction involving (directly
or indirectly) the Company and, immediately after the consummation of such merger, consolidation or similar transaction, the stockholders of the Company immediately prior thereto do not Own, directly or indirectly, either (A) outstanding voting
securities representing more than fifty percent (50%) of the combined outstanding voting power of the surviving Entity in such merger, consolidation or similar transaction or (B) more than fifty percent (50%) of the combined
outstanding voting power of the parent of the surviving Entity in such merger, consolidation or similar transaction, in each case in substantially the same proportions as their Ownership of the outstanding voting securities of the Company
immediately prior to such transaction; 
 (iii) the stockholders of the Company approve or the Board approves a plan of complete
dissolution or liquidation of the Company, or a complete dissolution or liquidation of the Company shall otherwise occur, except for a liquidation into a parent corporation; 

(iv) there is consummated a sale, lease, exclusive license or other disposition of all or substantially all of the consolidated assets
of the Company and its Subsidiaries, other than a sale, lease, license or other disposition of all or substantially all of the consolidated assets of the Company and its Subsidiaries to an Entity, more than fifty percent (50%) of the combined
voting power of the voting securities of which are Owned by stockholders of the Company in substantially the same proportions as their Ownership of the outstanding voting securities of the Company immediately prior to such sale, lease, license or
other disposition; or 
 (v) individuals who, on the date this Plan is adopted by the Board, are members of the Board (the
“Incumbent Board”) cease for any reason to constitute at least a majority of the members of the Board; provided, however, that if the appointment or election (or nomination for election) of any new Board member was approved
or recommended by a majority vote of the members of the Incumbent Board then still in office, such new member shall, for purposes of this Plan, be considered as a member of the Incumbent Board. 

Notwithstanding the foregoing definition or any other provision of this Plan, (A) the term Change in Control shall not include a sale of assets, merger
or other transaction effected 

  
 21. 

 
exclusively for the purpose of changing the domicile of the Company, and (B) the definition of Change in Control (or any analogous term) in an individual written agreement between the
Company or any Affiliate and the Participant shall supersede the foregoing definition with respect to Stock Awards subject to such agreement; provided, however, that if no definition of Change in Control or any analogous term is set forth in such an
individual written agreement, the foregoing definition shall apply. 
 (f) “Code” means the Internal Revenue
Code of 1986, as amended. 
 (g) “Committee” means a committee of one (1) or more Directors to whom
authority has been delegated by the Board in accordance with Section 2(c). 
 (h) “Common Stock” means
the common stock of the Company. 
 (i) “Company” means Ariosa Diagnostics, Inc., a Delaware
corporation. 
 (j) “Consultant” means any person, including an advisor, who is (i) engaged by the
Company or an Affiliate to render consulting or advisory services and is compensated for such services, or (ii) serving as a member of the board of directors of an Affiliate and is compensated for such services. However, service solely as a
Director, or payment of a fee for such service, shall not cause a Director to be considered a “Consultant” for purposes of the Plan.  

(k) “Continuous Service” means that the Participant’s service with the Company or an Affiliate, whether as
an Employee, Director or Consultant, is not interrupted or terminated. A change in the capacity in which the Participant renders service to the Company or an Affiliate as an Employee, Director, or Consultant or a change in the Entity for which the
Participant renders such service, provided that there is no interruption or termination of the Participant’s service with the Company or an Affiliate, shall not terminate a Participant’s Continuous Service; provided, however, if the
Entity for which a Participant is rendering service ceases to qualify as an Affiliate, as determined by the Board in its sole discretion, such Participant’s Continuous Service shall be considered to have terminated on the date such Entity
ceases to qualify as an Affiliate. For example, a change in status from an employee of the Company to a consultant of an Affiliate or to a Director shall not constitute an interruption of Continuous Service. To the extent permitted by law, the Board
or the chief executive officer of the Company, in that party’s sole discretion, may determine whether Continuous Service shall be considered interrupted in the case of any leave of absence approved by that party, including sick leave, military
leave or any other personal leave. Notwithstanding the foregoing, a leave of absence shall be treated as Continuous Service for purposes of vesting in a Stock Award only to such extent as may be provided in the Company’s leave of absence
policy, in the written terms of any leave of absence agreement or policy applicable to the Participant, or as otherwise required by law. 

  
 22. 

 (l) “Corporate Transaction” means the occurrence, in a single
transaction or in a series of related transactions, of any one or more of the following events: 
 (i) the consummation of a sale or
other disposition of all or substantially all, as determined by the Board in its sole discretion, of the consolidated assets of the Company and its Subsidiaries; 

(ii) the consummation of a sale or other disposition of at least ninety percent (90%) of the outstanding securities of the
Company; 
 (iii) the consummation of a merger, consolidation or similar transaction following which the Company is not the surviving
corporation; or 
 (iv) the consummation of a merger, consolidation or similar transaction following which the Company is the
surviving corporation but the shares of Common Stock outstanding immediately preceding the merger, consolidation or similar transaction are converted or exchanged by virtue of the merger, consolidation or similar transaction into other property,
whether in the form of securities, cash or otherwise. 
 (m) “Director” means a member of the Board. 

(n) “Disability” means the inability of a Participant to engage in any substantially gainful activity by reason
of any medically determinable physical or mental impairment which can be expected to result in death or which has lasted or can be expected to last for a continuous period of not less than twelve (12) months, and shall be determined by the
Board on the basis of such medical evidence as the Board deems warranted under the circumstances. 
 (o) “Effective
Date” means the effective date of this Plan, which is the earlier of (i) the date that this Plan is first approved by the Company’s stockholders, or (ii) the date this Plan is adopted by the Board. 

(p) “Employee” means any person employed by the Company or an Affiliate. However, service solely as a Director,
or payment of a fee for such services, shall not cause a Director to be considered an “Employee” for purposes of the Plan. 

(q) “Entity” means a corporation, partnership, limited liability company or other entity. 

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

(s) “Exchange Act Person” means any natural person, Entity or “group” (within the meaning of
Section 13(d) or 14(d) of the Exchange Act), except that “Exchange Act Person” shall not include (i) the Company or any Subsidiary of the Company, (ii) any employee benefit plan of the Company or any Subsidiary of the
Company or any trustee or other fiduciary holding securities under an employee benefit plan of the Company or any Subsidiary of the Company, (iii) an underwriter temporarily holding securities pursuant to an offering of such securities,
(iv) an Entity Owned, directly or indirectly, by the stockholders of the Company in substantially the same proportions as their Ownership of stock of the Company; or (v) any natural person, Entity or “group” (within the meaning
of Section 13(d) or 14(d) of the Exchange Act) that, as of the 

  
 23. 

 
Effective Date of the Plan as set forth in Section 11, is the Owner, directly or indirectly, of securities of the Company representing more than fifty percent (50%) of the combined
voting power of the Company’s then outstanding securities. 
 (t) “Fair Market Value”
means, as of any date, the value of the Common Stock determined by the Board in compliance with Section 409A of the Code or, in the case of an Incentive Stock Option, in compliance with Section 422 of the Code.  

(u) “Incentive Stock Option” means an Option that qualifies as an “incentive
stock option” within the meaning of Section 422 of the Code and the regulations promulgated thereunder. 
 (v)
“Nonstatutory Stock Option” means an Option that does not qualify as an Incentive Stock Option. 
 (w)
“Officer” means any person designated by the Company as an officer. 
 (x)
“Option” means an Incentive Stock Option or a Nonstatutory Stock Option to purchase shares of Common Stock granted pursuant to the Plan. 

(y) “Option Agreement” means a written agreement between the Company and an Optionholder evidencing the terms
and conditions of an Option grant. Each Option Agreement shall be subject to the terms and conditions of the Plan. 
 (z)
“Optionholder” means a person to whom an Option is granted pursuant to the Plan or, if applicable, such other person who holds an outstanding Option. 

(aa) “Own,” “Owned,” “Owner,” “Ownership” A person or Entity shall be deemed to
“Own,” to have “Owned,” to be the “Owner” of, or to have acquired “Ownership” of securities if such person or Entity, directly or indirectly, through any contract, arrangement, understanding, relationship or
otherwise, has or shares voting power, which includes the power to vote or to direct the voting, with respect to such securities. 
 (bb)
“Participant” means a person to whom a Stock Award is granted pursuant to the Plan or, if applicable, such other person who holds an outstanding Stock Award. 

(cc) “Plan” means this Ariosa Diagnostics, Inc. 2009 Equity Incentive Plan. 

(dd) “Restricted Stock Award” means an award of shares of Common Stock which is granted pursuant to the terms
and conditions of Section 6(a). 
 (ee) “Restricted Stock Award Agreement” means a written agreement
between the Company and a holder of a Restricted Stock Award evidencing the terms and conditions of a Restricted Stock Award. Each Restricted Stock Award Agreement shall be subject to the terms and conditions of the Plan. 

  
 24. 

 (ff) “Restricted Stock Unit Award” means a right to receive shares
of Common Stock which is granted pursuant to the terms and conditions of Section 6(b). 
 (gg) “Restricted Stock Unit
Award Agreement” means a written agreement between the Company and a holder of a Restricted Stock Unit Award evidencing the terms and conditions of a Restricted Stock Unit Award grant. Each Restricted Stock Unit Award Agreement shall be
subject to the terms and conditions of the Plan. 
 (hh) “Securities Act” means the Securities Act of 1933,
as amended. 
 (ii) “Stock Appreciation Right” means a right to receive the appreciation on Common Stock that
is granted pursuant to the terms and conditions of Section 6(c). 
 (jj) “Stock Appreciation Right Agreement”
means a written agreement between the Company and a holder of a Stock Appreciation Right evidencing the terms and conditions of a Stock Appreciation Right grant. Each Stock Appreciation Right Agreement shall be subject to the terms and
conditions of the Plan. 
 (kk) “Stock Award” means any right to receive Common Stock granted under the Plan,
including an Incentive Stock Option, a Nonstatutory Stock Option, a Restricted Stock Award, a Restricted Stock Unit Award, or a Stock Appreciation Right. 

(ll) “Stock Award Agreement” means a written agreement between the Company and a Participant evidencing the
terms and conditions of a Stock Award grant. Each Stock Award Agreement shall be subject to the terms and conditions of the Plan. 
 (mm)
“Subsidiary” means, with respect to the Company, (i) any corporation of which more than fifty percent (50%) of the outstanding capital stock having ordinary voting power to elect a majority of the board of
directors of such corporation (irrespective of whether, at the time, stock of any other class or classes of such corporation shall have or might have voting power by reason of the happening of any contingency) is at the time, directly or indirectly,
Owned by the Company, and (ii) any partnership, limited liability company or other entity in which the Company has a direct or indirect interest (whether in the form of voting or participation in profits or capital contribution) of more than
fifty percent (50%) . 
 (nn) “Ten Percent Stockholder” means a person who Owns (or is deemed to Own
pursuant to Section 424(d) of the Code) stock possessing more than ten percent (10%) of the total combined voting power of all classes of stock of the Company or any Affiliate. 

  
 25.

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