Document:

Prepared by R.R. Donnelley Financial -- EX-4.2

 Exhibit 4.2 

HORTONWORKS, INC. 

AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

July 23, 2014 

 TABLE OF CONTENTS 

 

									
	 	 	 	  	 	  	Page	 
	 1.
	 	 Registration Rights
	  	 	1	  
		 	 1.1
	  	Definitions	  	 	1	  
		 	 1.2
	  	Request for Registration	  	 	3	  
		 	 1.3
	  	Company Registration	  	 	5	  
		 	 1.4
	  	Form S-3 Registration	  	 	6	  
		 	 1.5
	  	Obligations of the Company	  	 	8	  
		 	 1.6
	  	Information from Holder	  	 	10	  
		 	 1.7
	  	Expenses of Registration	  	 	10	  
		 	 1.8
	  	Delay of Registration	  	 	10	  
		 	 1.9
	  	Indemnification	  	 	10	  
		 	 1.10
	  	Reports Under the 1934 Act	  	 	13	  
		 	 1.11
	  	Assignment of Registration Rights	  	 	13	  
		 	 1.12
	  	Limitations on Subsequent Registration Rights	  	 	13	  
		 	 1.13
	  	“Market Stand-Off” Agreement	  	 	14	  
		 	 1.14
	  	Termination of Registration Rights	  	 	15	  
			
	 2.
	 	 Covenants of the Company
	  	 	15	  
		 	 2.1
	  	Delivery of Financial Statements	  	 	15	  
		 	 2.2
	  	Inspection	  	 	17	  
		 	 2.3
	  	Termination of Information and Inspection Covenants	  	 	17	  
		 	 2.4
	  	Right of First Offer	  	 	17	  
		 	 2.5
	  	Key Man Insurance	  	 	19	  
		 	 2.6
	  	Directors and Officers Insurance	  	 	19	  
		 	 2.7
	  	Proprietary Information and Inventions Agreements	  	 	19	  
		 	 2.8
	  	Employee Agreements	  	 	20	  
		 	 2.9
	  	Board of Directors Meetings	  	 	20	  
		 	 2.10
	  	Issuance of Series A Preferred Stock	  	 	20	  
		 	 2.11
	  	Yahoo! Special Approval Rights	  	 	20	  
		 	 2.12
	  	Successor Indemnification	  	 	21	  
		 	 2.13
	  	Increase to Unallocated Option Pool	  	 	21	  
		 	 2.14
	  	Termination of Certain Covenants	  	 	21	  
			
	 3.
	 	 Miscellaneous
	  	 	21	  
		 	 3.1
	  	Successors and Assigns	  	 	21	  
		 	 3.2
	  	Governing Law	  	 	22	  
		 	 3.3
	  	Counterparts; Facsimile	  	 	22	  
		 	 3.4
	  	Titles and Subtitles	  	 	22	  
		 	 3.5
	  	Notices	  	 	22	  
		 	 3.6
	  	Expenses	  	 	22	  
		 	 3.7
	  	Entire Agreement; Amendments and Waivers	  	 	22	  
		 	 3.8
	  	Severability	  	 	23	  
		 	 3.9
	  	Aggregation of Stock	  	 	23	  
		 	 3.10
	  	Dispute Resolution	  	 	23	  
		 	 3.11
	  	Acknowledgment	  	 	24	  
			
	 SCHEDULE A
	  	Schedule of Investors	  			

 AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

This AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT (this “Agreement”) is made as of the 23rd day of July, 2014, by
and among HORTONWORKS, INC., a Delaware corporation (the “Company”), and the investors listed on Schedule A hereto, each of which, when signing in its capacity as an investor, is herein referred to as an
“Investor” and collectively as the “Investors”. 
 RECITALS 

WHEREAS, the Investors hold shares of the Company’s Series A Preferred Stock, par value $0.0001 per share (the
“Series A Preferred Stock”), shares of the Company’s Series B Preferred Stock, par value $0.0001 per share (the “Series B Preferred Stock”), shares of the Company’s Series C Preferred Stock, par value
$0.0001 per share (the “Series C Preferred Stock”), shares of the Company’s Series D Preferred Stock, par value $0.0001 per share (the “Series D Preferred Stock” and collectively with the Series A Preferred
Stock, the Series B Preferred Stock, and the Series C Preferred Stock, the “Preferred Stock”) and/or shares of the Company’s Common Stock issued upon conversion thereof and, in the case of AT&T (as defined below), shares of
the Company’s Common Stock comprising the AT&T Shares (as defined below), and possess registration rights, information rights, rights of first offer and other rights pursuant to an Amended and Restated Investors’ Rights Agreement dated
as of March 24, 2014 by and among the Company and the Investors (the “Prior Agreement”), as amended from time to time; and 

WHEREAS, the Investors executing this Agreement hold sufficient amounts of securities to amend the Prior Agreement, and the Company and
the Investors wish to terminate the Prior Agreement and further desire that this Agreement supersede and replace the Prior Agreement. 

AGREEMENT 
 NOW,
THEREFORE, in consideration of the mutual promises and covenants set forth herein, the Investors and the Company hereby agree that the Prior Agreement shall be superseded and replaced in its entirety by this Agreement, and the parties hereto
further agree as follows: 
 1. Registration Rights. The Company covenants and agrees as follows: 

1.1 Definitions. For purposes of this Agreement: 

(a) The term “Act” means the Securities Act of 1933, as amended. 

(b) The term “Affiliate” means, with respect to any specified person, any other person who or which, directly or indirectly,
controls, is controlled by, or is under common control with such specified person, including, without limitation, any direct or indirect subsidiary of such person that is at least 50% controlled by such person, general partner, officer,

  
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director or manager of such person and any venture capital fund (or other investment fund) now or hereafter existing that is controlled by one or more general partners or managing members of, or
is under common investment management with, such person. 
 (c) The term “Board of Directors” means the Board of Directors
of the Company. 
 (d) The term “Form S-3” means such form under the Act as
in effect on the date hereof or any registration form under the Act subsequently adopted by the SEC that permits inclusion or incorporation of substantial information by reference to other documents filed by the Company with the SEC. 

(e) The term “Free Writing Prospectus” means a free-writing prospectus, as defined in Rule 405. 

(f) The term “Holder” means any person owning or having the right to acquire Registrable Securities or any assignee thereof
in accordance with Section 1.11 hereof. If a person owns or has the right to acquire both Registrable Securities and other securities that are not Registrable Securities, such person shall only be a “Holder” with respect to
such Registrable Securities and not with respect to any such other securities. 
 (g) The term “Initial Offering” means
the Company’s first firm commitment underwritten public offering of its Common Stock under the Act. 
 (h) The term “1934
Act” means the Securities Exchange Act of 1934, as amended. 
 (i) The terms “register,”
“registered,” and “registration” refer to a registration effected by preparing and filing a registration statement or similar document in compliance with the Act, and the declaration or ordering of effectiveness of
such registration statement or document. 
 (j) The term “Registrable Securities” means: (i) the Common Stock
issuable or issued upon conversion of the Preferred Stock, (ii) the Common Stock issuable or issued upon conversion of the Series A Preferred Stock issued upon exercise of the Warrant (as defined in the Series A Agreement), (iii) the
Common Stock issuable or issued upon exercise of the warrant to purchase shares of Common Stock (the “Common Stock Warrant”) issued to Yahoo! Inc. (“Yahoo!”) dated June 9, 2014, (iv) the Common Stock
(together, the “AT&T Shares”) issued pursuant to the Common Stock Purchase Agreement dated September 30, 2013, by and between the Company and SBC Investment Portfolio, LLC, a Delaware limited liability company
(“AT&T”), and (v) any Common Stock of the Company issued as (or issuable upon the conversion or exercise of any warrant, right or other security that is issued as) a dividend or other distribution with respect to, or in
exchange for, or in replacement of, the shares referenced in (i), (ii), (iii) or (iv) above, excluding in all cases, however, any Registrable Securities sold by a person in a transaction in which his rights under this Section 1
are not assigned. In addition, the number of shares of Registrable Securities outstanding shall equal the aggregate of the number of shares of Common Stock outstanding that are, and the number of shares of Common Stock issuable pursuant to then
exercisable or convertible securities that are, Registrable Securities. 

  
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For all purposes herein, with respect to the Common Stock Warrant as described in clause (iii) above, the number of Registrable Securities issuable upon exercise of the Common Stock Warrant
shall be calculated to include only the shares of Common Stock that are actually issuable as of any particular date of determination. For example, for purposes of calculating the number of Registrable Securities issuable upon exercise of the Common
Stock Warrant, until additional shares of Series D Preferred Stock (or warrants therefore) are actually issued by the Company after the date hereof, the number of Registrable Securities issuable pursuant to Section 1(a)(ii) of the Common Stock
Warrant shall be zero and the shares of Common Stock issuable pursuant to Section 1(a)(i) of the Common Stock Warrant shall be the only Registrable Securities issuable upon exercise of such Common Stock Warrant. 

(k) The term “Restated Certificate” shall mean the Company’s Amended and Restated Certificate of Incorporation, as
amended and/or restated from time to time. 
 (l) The term “Rule 144” shall mean Rule 144 under the Act. 

(m) The term “Rule 144(b)(1)(i)” shall mean subsection (b)(1)(i) of Rule 144 under the Act as it applies to persons who have
held shares for more than one (1) year. 
 (n) The term “Rule 405” shall mean Rule 405 under the Act. 

(o) The term “Series A Agreement” shall mean the Series A Preferred Stock Purchase Agreement dated June 21, 2011
by and among the Company and certain of the Existing Investors. 
 (p) The term “SEC” shall mean the Securities and
Exchange Commission. 
 1.2 Request for Registration. 

(a) Subject to the conditions of this Section 1.2, if the Company shall receive at any time after the earlier of (i) five
(5) years after the date of this Agreement or (ii) six (6) months after the effective date of the Initial Offering, a written request from the Holders of thirty percent (30%) or more of the Registrable Securities then outstanding
(for purposes of this Section 1.2, the “Initiating Holders”) that the Company file a registration statement under the Act covering the registration of Registrable Securities with an anticipated aggregate offering price
of at least $10,000,000, then the Company shall, within twenty (20) days of the receipt thereof, give written notice of such request to all Holders, and subject to the limitations of this Section 1.2, use all commercially reasonable
efforts to effect, as soon as practicable, the registration under the Act of all Registrable Securities that the Holders request to be registered in a written request received by the Company within twenty (20) days of the mailing of the
Company’s notice pursuant to this Section 1.2(a). 
 (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 1.2, and the Company shall include such information in the written notice referred
to in Section 1.2(a). In such event the 

  
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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 (unless otherwise mutually agreed by a majority in interest of the Initiating Holders and such Holder) to the extent provided herein. All Holders proposing to distribute their Registrable
Securities through such underwriting shall enter into an underwriting agreement in customary form with the underwriter or underwriters selected for such underwriting by those Initiating Holders holding 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 1.2, if the underwriter advises the Company that marketing factors require a
limitation on the number of securities 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 pro rata based on the number of Registrable Securities held by all such Holders (including the Initiating Holders). In no event shall any Registrable
Securities be excluded from such underwriting unless all other securities are first excluded, including securities that are not Registrable Securities held by Holders. For purposes of this Section 1.2(b), any Holder of Registrable
Securities that is a venture capital fund (or other investment fund), partnership or corporation, the venture capital funds (or other investment funds), partners, retired partners and stockholders that are Affiliates of such Holder, or the estates
and family members of any such partners and retired partners and any trusts for the benefit of any of the foregoing persons shall be deemed to be a single “Holder”. Any Registrable Securities excluded or withdrawn from such underwriting
shall be withdrawn from the registration. 
 (c) Notwithstanding the foregoing, the Company shall not be required to effect a registration
pursuant to this Section 1.2: 
 (i) in any particular jurisdiction in which the Company would be required to execute a general
consent to service of process in effecting such registration, unless the Company is already subject to service in such jurisdiction and except as may be required under the Act; or 

(ii) after the Company has effected two (2) registrations pursuant to this Section 1.2, and such registrations have been
declared or ordered effective; or 
 (iii) during the period starting with the date sixty (60) days prior to the Company’s good
faith estimate of the date of the filing of and ending on a date one hundred eighty (180) days following the effective date of a Company-initiated registration subject to Section 1.3 below,
provided that the Company is actively employing in good faith all commercially reasonable efforts to cause such registration statement to become effective; or 

(iv) if the Initiating Holders propose to dispose of Registrable Securities that may be registered on
Form S-3 pursuant to Section 1.4 hereof; or 
 (v) if the Company shall furnish to
Holders requesting a registration statement pursuant to this Section 1.2 a certificate signed by the Company’s Chief Executive Officer or Chairman of the Board of Directors stating that in the good faith judgment

  
 4 

 
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 ninety (90) days after receipt of the request of the Initiating Holders, provided that such right shall be exercised by the Company not more than once in any
twelve (12) month period and provided further that the Company shall not register any securities for the account of itself or any other stockholder, and shall not register any securities that are not Registrable Securities for the
account of any Holder, during such ninety (90) day period (other than a registration relating solely to the sale of securities of participants in a Company stock plan, a registration relating to a corporate reorganization or transaction under
Rule 145 of the Act, a registration on any form that does not include substantially the same information as would be required to be included in a registration statement covering the sale of the Registrable Securities, or a registration in which
the only Common Stock being registered is Common Stock issuable upon conversion of debt securities that are also being registered). 
 1.3
Company Registration. 
 (a) If (but without any obligation to do so) the Company proposes to register (including for this purpose a
registration effected by the Company for stockholders other than the Holders or any securities that are not Registrable Securities for the account of any Holder) any of its stock or other securities under the Act in connection with the public
offering of such securities (other than (i) a registration relating to a demand pursuant to Section 1.2 or (ii) a registration relating solely to the sale of securities of participants in a Company stock plan, a registration
relating to a corporate reorganization or transaction under Rule 145 of the Act, a registration on any form that does not include substantially the same information as would be required to be included in a registration statement covering the
sale of the Registrable Securities, or a registration in which the only Common Stock being registered is Common Stock issuable upon conversion of debt securities that are also being registered), the Company shall, at such time, promptly give each
Holder written notice of such registration. Upon the written request of each Holder given within twenty (20) days after mailing of such notice by the Company in accordance with Section 3.5, the Company shall, subject to the
provisions of Section 1.3(c), use all commercially reasonable efforts to cause to be registered under the Act all of the Registrable Securities that each such Holder requests to be registered. 

(b) Right to Terminate Registration. The Company shall have the right to terminate or withdraw any registration initiated by it under
this Section 1.3 prior to the effectiveness of such registration whether or not any Holder has elected to include securities in such registration. The expenses of such withdrawn registration shall be borne by the Company in accordance
with Section 1.7 hereof. 
 (c) Underwriting Requirements. In connection with any offering involving an underwriting of
shares of the Company’s capital stock, the Company shall not be required under this Section 1.3 to include any of the Holders’ securities in such underwriting unless they accept the terms of the underwriting as agreed upon
between the Company and the underwriters selected by the Company (or by other persons entitled to select the underwriters) and enter into an underwriting agreement in customary form with such underwriters, and then only in such quantity as the
underwriters determine in their sole discretion will not jeopardize the 

  
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success of the offering by the Company. If the total amount of securities, including Registrable Securities, requested by stockholders to be included in such offering exceeds the amount of
securities sold other than by the Company that the underwriters determine in their sole discretion is compatible with the success of the offering, then the Company shall be required to include in the offering only that number of such securities,
including Registrable Securities, that the underwriters determine in their sole discretion will not jeopardize the success of the offering. In no event shall any Registrable Securities be excluded from such offering unless all other
stockholders’ securities have been first excluded. In the event that the underwriters determine that less than all of the Registrable Securities requested to be registered can be included in such offering, then the Registrable Securities that
are included in such offering shall be apportioned pro rata among the selling Holders based on the number of Registrable Securities held by all selling Holders or in such other proportions as shall mutually be agreed to by all such selling Holders.
Notwithstanding the foregoing, in no event shall the amount of Registrable Securities of the selling Holders included in the offering be reduced below thirty percent (30%) of the total amount of securities included in such offering, unless such
offering is the Initial Offering, in which case the Registrable Securities held by the selling Holders may be excluded if the underwriters make the determination described above and no other stockholder’s securities, including securities that
are not Registrable Securities held by any Holder, are included in such offering. For purposes of the preceding sentence concerning apportionment, for any selling stockholder that is a Holder of Registrable Securities and that is a venture capital
fund (or other investment fund), partnership or corporation, the venture capital funds (or other investment funds), partners, retired partners and stockholders that are Affiliates of such Holder, or the estates and family members of any such
partners and retired partners and any trusts for the benefit of any of the foregoing persons shall be deemed to be a single “selling Holder,” and any pro rata reduction with respect to such “selling Holder” shall be based upon
the aggregate amount of Registrable Securities owned by all such related entities and individuals. 
 1.4 Form S-3 Registration. In case the Company shall receive from the Holders of at least thirty percent (30%) of the Registrable Securities then outstanding (for purposes of this Section 1.4, the
“S-3 Initiating Holders”) a written request or requests that the Company effect a registration on Form S-3 and any related qualification or compliance with respect to all or a part of the
Registrable Securities owned by such Holder or Holders, the Company shall: 
 (a) promptly give written notice of the proposed registration,
and any related qualification or compliance, to all other Holders; and 
 (b) use all commercially reasonable efforts to effect, as soon as
practicable, such registration and all such qualifications and compliances as may be so requested and as would permit or facilitate the sale and distribution of all or such portion of such Holders’ Registrable Securities as are specified in
such request, together with all or such portion of the Registrable Securities of any other 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 1.4: 

(i) if Form S-3 is not available for such offering by the Holders; 

  
 6 

 (ii) if the Holders, together with the holders of any other securities of the Company entitled
to inclusion in such registration, propose to sell Registrable Securities and such other securities (if any) at an aggregate price to the public (net of any underwriters’ discounts or commissions) of less than $5,000,000; 

(iii) if the Company shall furnish to all Holders requesting a registration statement pursuant to this Section 1.4 a certificate
signed by the Company’s Chief Executive Officer or Chairman of the Board of Directors 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 ninety (90) days after receipt of the request of the S-3 Initiating Holders,
provided that such right shall be exercised by the Company not more than once in any twelve (12) month period and provided further that the Company shall not register any securities for the account of itself or any other
stockholder, and shall not register any securities that are not Registrable Securities for the account of any Holder, during such ninety (90) day period (other than a registration relating solely to the sale of securities of participants in a
Company stock plan, a registration relating to a corporate reorganization or transaction under Rule 145 of the Act, a registration on any form that does not include substantially the same information as would be required to be included in a
registration statement covering the sale of the Registrable Securities, or a registration in which the only Common Stock being registered is Common Stock issuable upon conversion of debt securities that are also being registered); 

(iv) if the Company has, within the twelve (12) month period preceding the date of such request, already effected two
(2) registrations on Form S-3 pursuant to this Section 1.4; 
 (v) in any
particular jurisdiction in which the Company would be required to qualify to do business or to execute a general consent to service of process in effecting such registration, qualification or compliance; 

(vi) if the Company, within thirty (30) days of receipt of the request of such S-3 Initiating Holders, gives notice of its bona fide
intention to effect the filing of a registration statement with the SEC within one hundred twenty (120) days of receipt of such request (other than a registration effected solely to qualify an employee benefit plan or to effect a business
combination pursuant to Rule 145), provided that the Company is actively employing in good faith all commercially reasonable efforts to cause such registration statement to become effective; or 

(vii) during the period starting with the date thirty (30) days prior to the Company’s good faith estimate of the date of the
filing of and ending on a date ninety (90) days following the effective date of a Company-initiated registration subject to Section 1.3 above, provided that the Company is actively
employing in good faith all commercially reasonable efforts to cause such registration statement to become effective. 

  
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 (c) If the S-3 Initiating Holders intend to distribute the Registrable Securities covered by
their request by means of an underwriting, they shall so advise the Company as a part of their request made pursuant to this Section 1.4 and the Company shall include such information in the written notice referred to in
Section 1.4(a). The provisions of Section 1.2(b) shall be applicable to such request (with the substitution of Section 1.4 for references to Section 1.2). 

(d) Subject to the foregoing, the Company shall file a registration statement covering the Registrable Securities and other securities so
requested to be registered as soon as practicable after receipt of the request or requests of the S-3 Initiating Holders. Registrations effected pursuant to this Section 1.4 shall not be counted as requests for registration effected
pursuant to Section 1.2. 
 1.5 Obligations of the Company. Whenever required under this Section 1 to effect
the registration of any Registrable Securities, the Company shall, as expeditiously as reasonably possible: 
 (a) prepare and file with the
SEC a registration statement with respect to such Registrable Securities and use all commercially 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 a period of up to one hundred twenty (120) days or, if earlier, until the distribution contemplated in the Registration Statement has been completed; 

(b) prepare and file with the SEC such amendments and supplements to such registration statement and the prospectus used in connection with
such registration statement as may be necessary to comply with the provisions of the Act with respect to the disposition of all securities covered by such registration statement; 

(c) furnish to the Holders such number of copies of a prospectus, including a preliminary prospectus and any Free Writing Prospectus, in
conformity with the requirements of the Act, and such other documents as they may reasonably request in order to facilitate the disposition of Registrable Securities owned by them; 

(d) use all commercially 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 of such offering; 

(f) notify each Holder of Registrable Securities covered by such registration statement at any time when a prospectus or Free Writing
Prospectus (to the extent prepared by or on behalf of the Company) relating thereto is required to be delivered under the Act of the happening of any event as a result of which the prospectus included in such

  
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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, and, at the request of any such Holder, the Company will, as soon as reasonably practicable, file and furnish to all such Holders a supplement or amendment to such prospectus or
Free Writing Prospectus (to the extent prepared by or on behalf of the Company) so that, as thereafter delivered to the purchasers of such Registrable Securities, such prospectus will not contain an untrue statement of a material fact or omit to
state any fact necessary to make the statements therein not misleading in light of the circumstances under which they were made; 
 (g)
cause all such Registrable Securities registered pursuant to this Section 1 to be listed on a national exchange or trading system and on each securities exchange and trading system on which similar securities issued by the Company are
then listed; and 
 (h) provide a transfer agent and registrar for all Registrable Securities registered pursuant to this Agreement and a
CUSIP number for all such Registrable Securities, in each case not later than the effective date of such registration. 
 Notwithstanding
the provisions of this Section 1, the Company shall be entitled to postpone or suspend, for a reasonable period of time not to exceed 120 days, the effectiveness or use of, or trading under, any registration statement if the Company
shall determine that any such filing or the sale of any securities pursuant to such registration statement would in the good faith judgment of the Board of Directors of the Company: 

(i) materially impede, delay or interfere with any material pending or proposed financing, acquisition, corporate reorganization or other
similar transaction involving the Company for which the Board of Directors of the Company has authorized negotiations; 
 (ii) materially
adversely impair the consummation of any pending or proposed material offering or sale of any class of securities by the Company; or 

(iii) require disclosure of material nonpublic information that, if disclosed at such time, would be materially harmful to the interests of
the Company and its stockholders; 
 provided, however, that during any such period all executive officers and directors of the Company are
also prohibited from selling securities of the Company (or any security of any of the Company’s subsidiaries or affiliates), and provided, further, that (A) the Company may not invoke this right more than once in any twelve
(12) month period and (B) the Company shall not register any securities for its own account or that of any other stockholder, and shall not register any securities that are not Registrable Securities for the account of any Holder, during
such one hundred and twenty (120) day period (other than a registration relating solely to the sale of securities of participants in a Company stock plan, a registration relating to a corporate reorganization or transaction under Rule 145
of the Act, a registration on any form that does not include substantially the same information as would be required to be included in a registration statement covering the sale of the Registrable Securities, or a registration in which the only

  
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Common Stock being registered is Common Stock issuable upon conversion of debt securities that are also being registered). In the event of the suspension of effectiveness of any registration
statement pursuant to this Section 1.5, the applicable time period during which such registration statement is to remain effective shall be extended by that number of days equal to the number of days the effectiveness of such
registration statement was suspended. 
 1.6 Information from Holder. It shall be a condition precedent to the obligations of the
Company to take any action pursuant to this Section 1 with respect to the Registrable Securities of any selling Holder that such Holder shall furnish to the Company such information regarding itself, the Registrable Securities held by
it, and the intended method of disposition of such securities as shall be reasonably required to effect the registration of such Holder’s Registrable Securities. 

1.7 Expenses of Registration. All expenses other than underwriting discounts and commissions incurred in connection with registrations,
filings or qualifications pursuant to Sections 1.2, 1.3 and 1.4, including, without limitation, all registration, filing and qualification fees, printers’ and accounting fees, fees and disbursements of counsel for the
Company and the reasonable fees and disbursements of one counsel for the selling Holders shall be borne by the Company. Notwithstanding the foregoing, the Company shall not be required to pay for any expenses of any registration proceeding begun
pursuant to Section 1.2 or Section 1.4 if the registration request is subsequently withdrawn at the request of the Holders of a majority of the Registrable Securities to be registered (in which case all participating Holders
shall bear such expenses pro rata based upon the number of Registrable Securities that were to be included in the withdrawn registration), unless, in the case of a registration requested under Section 1.2, the Holders of at least a
majority of the Registrable Securities then outstanding agree to forfeit their right to one demand registration pursuant to Section 1.2 and provided, however, that if at the time of such withdrawal, the Holders have learned
of a material adverse change in the condition, business or prospects of the Company from that known to the Holders at the time of their request and have withdrawn the request with reasonable promptness following disclosure by the Company of such
material adverse change, then the Holders shall not be required to pay any of such expenses and shall retain their rights pursuant to Sections 1.2 and 1.4. 

1.8 Delay of Registration. No Holder shall have any right to obtain or seek an injunction restraining or otherwise delaying any such
registration as the result of any controversy that might arise with respect to the interpretation or implementation of this Section 1. 

1.9 Indemnification. In the event any Registrable Securities are included in a registration statement under this Section 1:

 (a) To the extent permitted by law, the Company will indemnify and hold harmless each Holder, the partners, members, officers, directors
and stockholders of each Holder, legal counsel and accountants for each Holder, any underwriter (as defined in the Act) for such Holder and each person, if any, who controls such Holder or underwriter within the meaning of the Act or the 1934 Act,
against any losses, claims, damages or liabilities (joint or several) to which they may become subject under the Act, the 1934 Act, any state securities laws or any rule or regulation promulgated under the Act, insofar as such losses, claims,
damages, or liabilities (or actions in respect thereof) arise out of or are based upon any of the following 

  
 10 

 
statements, omissions or violations (collectively a “Violation”): (i) any untrue statement or alleged untrue statement of a material fact contained in such registration
statement, including any preliminary prospectus, final prospectus, or Free Writing Prospectus contained therein or any amendments or supplements thereto, any issuer information (as defined in Rule 433 of the Act) filed or required to be filed
pursuant to Rule 433(d) under the Act or any other document incident to such registration prepared by or on behalf of the Company or used or referred to by the Company, (ii) the omission or alleged omission to state in such registration
statement a material fact required to be stated therein, or necessary to make the statements therein not misleading or (iii) any violation or alleged violation by the Company of the Act, the 1934 Act, any state securities laws or any rule or
regulation promulgated under the Act, the 1934 Act or any state securities laws, and the Company will reimburse each such Holder, underwriter, controlling person or other aforementioned 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 as such expenses are incurred; provided, however, that the indemnity agreement contained in this subsection l.9(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, liability or action to the extent that it arises out of or is based upon a Violation that occurs in reliance upon and in conformity with written information furnished expressly for use in connection with
such registration by any such Holder, underwriter, controlling person or other aforementioned person. 
 (b) To the extent permitted by
law, each selling Holder, severally and not jointly, will indemnify and hold harmless the Company, each of its directors, each of its officers who has signed the registration statement, each person, if any, who controls the Company within the
meaning of the Act, legal counsel and accountants for the Company, any underwriter, any other Holder selling securities in such registration statement and any controlling person of any such underwriter or other Holder, against any losses, claims,
damages or liabilities (joint or several) to which any of the foregoing persons may become subject, under the Act, the 1934 Act, any state securities laws or any rule or regulation promulgated under the Act, the 1934 Act or any state securities
laws, insofar as such losses, claims, damages or liabilities (or actions in respect thereto) arise out of or are based upon any Violation, in each case to the extent (and only to the extent) that such Violation occurs in reliance upon and in
conformity with written information furnished by such Holder expressly for use in connection with such registration; and each such Holder will reimburse any person intended to be indemnified pursuant to this subsection l.9(b) for any legal or other
expenses reasonably incurred by such person in connection with investigating or defending any such loss, claim, damage, liability or action as such expenses are incurred; provided, however, that the indemnity agreement contained in
this subsection l.9(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), and
provided that in no event shall any indemnity under this subsection l.9(b) exceed the net proceeds from the offering received by such Holder. 

(c) Promptly after receipt by an indemnified party under this Section 1.9 of notice of the commencement of any action (including
any governmental action) for which a party may be entitled to indemnification, such indemnified party will, if a claim in respect thereof is to be made against any indemnifying party under this Section 1.9, deliver to the

  
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indemnifying party a written notice of the commencement thereof and the indemnifying party shall have the right to participate in and, to the extent the indemnifying party so desires, jointly
with any other indemnifying party similarly noticed, to assume the defense thereof with counsel mutually satisfactory to the parties; provided, however, that an indemnified party (together with all other indemnified parties that may be
represented without conflict by one counsel) shall have the right to retain one (1) separate counsel, with the fees and expenses to be paid by the indemnifying party, if representation of such indemnified party by the counsel retained by the
indemnifying party would be inappropriate due to actual or potential differing interests between such indemnified party and any other party represented by such counsel in such proceeding. The failure to deliver written notice to the indemnifying
party within a reasonable time of the commencement of any such action, if prejudicial to its ability to defend such action, shall relieve such indemnifying party of liability to the indemnified party under this Section 1.9 to the extent
of such prejudice, but the omission to so deliver written notice to the indemnifying party will not relieve it of any liability that it may have to any indemnified party otherwise than under this Section 1.9. 

(d) If the indemnification provided for in this Section 1.9 is held by a court of competent jurisdiction to be unavailable to an
indemnified party with respect to any loss, liability, claim, damage or expense referred to herein, then the indemnifying party, in lieu of indemnifying such indemnified party hereunder, shall contribute to the amount paid or payable by such
indemnified party as a result of such loss, liability, claim, damage or expense in such proportion as is appropriate to reflect the relative fault of the indemnifying party on the one hand and the indemnified party on the other hand in connection
with the statements or omissions that resulted in such loss, liability, claim, damage or expense, as well as any other relevant equitable considerations; provided, however, that (i) no contribution by any Holder, when combined
with any amounts paid by such Holder pursuant to Section 1.9(b), shall exceed the net proceeds from the offering received by such Holder and (ii) no person guilty of fraudulent misrepresentation (within the meaning of
Section 11(f) of the Act) will be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation; and provided further that in no event shall a Holder’s liability pursuant to this
Section 1.9(d), when combined with the amounts paid or payable by such Holder pursuant to Section 1.9(b), exceed the proceeds from the offering received by such Holder (net of any expenses paid by such Holder). The relative
fault of the indemnifying party and the indemnified party shall be determined by reference to, among other things, whether the untrue or alleged untrue statement of a material fact or the omission or alleged 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. 

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

(f) The obligations of the Company and Holders under this Section 1.9 shall survive the completion of any offering of Registrable
Securities in a registration statement under this Section 1 and otherwise. 

  
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 1.10 Reports Under the 1934 Act. With a view to making available to the Holders the
benefits of Rule 144 and any other rule or regulation of the SEC that may at any time permit a Holder to sell securities of the Company to the public without registration or pursuant to a registration on Form
S-3, the Company agrees to: 
 (a) make and keep public information available, as those terms are
understood and defined in Rule 144, at all times after the effective date of the Initial Offering; 
 (b) file with the SEC in a
timely manner all reports and other documents required of the Company under the Act and the 1934 Act; and 
 (c) furnish to any Holder, so
long as the Holder owns any Registrable Securities, forthwith upon request (i) a written statement by the Company that it has complied with the reporting requirements of Rule 144 (at any time after ninety (90) days after the effective
date of the first registration statement filed by the Company), the Act and the 1934 Act (at any time after it has become subject to such reporting requirements), or that it qualifies as a registrant whose securities may be resold pursuant to Form S-3 (at any time after it so qualifies), (ii) a copy of the most recent annual or quarterly report of the Company and such other reports and documents so filed by the Company and (iii) such other
information as may be reasonably requested to avail any Holder of any rule or regulation of the SEC that permits the selling of any such securities without registration or pursuant to such form. 

1.11 Assignment of Registration Rights. The rights to cause the Company to register Registrable Securities pursuant to this
Section 1 may be assigned (but only with all related obligations) by a Holder to a transferee or assignee of such securities that (a) is an Affiliate, direct or indirect subsidiary of such person that is at least 50% controlled by
such person, parent, partner, limited partner, retired partner, member, retired member or stockholder of such Holder, officer, director or manager of such Holder and/or any venture capital fund (or other investment fund) now or hereafter existing
that is controlled by one or more general partners or managing members of, or is under common investment management with, such Holder, and/or, in the case of Index Ventures (as defined below), the advisory or management entity engaged by any Index
Ventures Holder or any entity that is advised or managed by the same advisory entity as any Index Venture Holder, (b) is a Holder’s family member or trust for the benefit of an individual Holder, or (c) after such assignment or
transfer, holds at least 500,000 shares of Registrable Securities (appropriately adjusted for any stock split, dividend, combination or other recapitalization), provided: (i) the Company is, within a reasonable time after such transfer,
furnished with written notice of the name and address of such transferee or assignee and the securities with respect to which such registration rights are being assigned; (ii) such transferee or assignee agrees in writing to be bound by and
subject to the terms and conditions of this Agreement, including, without limitation, the provisions of Section 1.13 below; and (iii) such assignment shall be effective only if immediately following such transfer the further
disposition of such securities by the transferee or assignee is restricted under the Act. 
 1.12 Limitations on Subsequent Registration
Rights. From and after the date of this Agreement, the Company shall not, without the prior written consent of the Holders holding at least a majority of the Registrable Securities then outstanding, enter into any agreement with any holder or
prospective holder of any securities of the Company that would allow such holder 

  
 13 

 
or prospective holder (a) to include any of such securities in any registration filed under Section 1.2, Section 1.3 or Section 1.4 hereof, unless under
the terms of such agreement, such holder or prospective holder may include such securities in any such registration only to the extent that the inclusion of such securities will not reduce the amount of the Registrable Securities of the Holders that
are included or (b) to demand registration of their securities. 
 1.13 “Market Stand-Off” Agreement. 

(a) Each Holder hereby agrees that it will not, without the prior written consent of the managing underwriter, during the period commencing
on the date of the final prospectus relating to the Company’s Initial Offering and ending on the date specified by the Company and the managing underwriter (such period not to exceed one hundred eighty (l80) days) (i) lend, offer, pledge,
sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right or warrant to purchase, or otherwise transfer or dispose of, directly or indirectly, any shares of Common Stock or any
securities convertible into or exercisable or exchangeable for Common Stock, in each case held immediately prior to the effectiveness of the Registration Statement for such offering (or any shares of Common Stock issuable or issued upon the
conversion, exercise or exchange thereof upon or following the effectiveness of the Registration Statement for such offering) or (ii) enter into any swap or other arrangement that transfers to another, in whole or in part, any of the economic
consequences of ownership of the Common Stock or any securities convertible into or exercisable or exchangeable for Common Stock, in each case held immediately prior to the effectiveness of the Registration Statement for such offering (or any shares
of Common Stock issuable or issued upon the conversion, exercise or exchange thereof upon or following the effectiveness of the Registration Statement for such offering), whether any such transaction described in clause (i) or (ii) above
is to be settled by delivery of Common Stock or other securities, in cash or otherwise. The foregoing provisions of this Section 1.13 shall apply only to the Company’s Initial Offering, shall not apply to the sale of any shares to
an underwriter pursuant to an underwriting agreement, and shall only be applicable to the Holders if all officers, directors and greater than two percent (2%) stockholders of the Company enter into similar agreements. The underwriters in
connection with the Company’s Initial Offering are intended third-party beneficiaries of this Section 1.13 and shall have the right, power and authority to enforce the provisions hereof as
though they were a party hereto. Each Holder further agrees to execute such agreements as may be reasonably requested by the underwriters in the Company’s Initial Offering that are consistent with this Section 1.13 or that are
necessary to give further effect thereto. Any discretionary waiver or termination of the restrictions of any or all of such agreements by the Company or the underwriters shall apply to all Holders (and the shares or securities of every other person
subject to the foregoing restriction) subject to such agreements pro rata based on the number of shares subject to such agreements. 
 In
order to enforce the foregoing covenant, the Company may impose stop-transfer instructions with respect to the Registrable Securities of each Holder (and the shares or securities of every other person subject
to the foregoing restriction) until the end of such period. Notwithstanding the foregoing, if (i) during the last seventeen (17) days of the one hundred eighty (180)-day restricted period, the Company issues an earnings release or material
news or a material event relating to the Company occurs; or (ii) prior to the expiration of the one hundred eighty (180)-day restricted period, the Company announces that it will release earnings results

  
 14 

 
during the sixteen (16)-day period beginning on the last day of the one hundred eighty (180)-day period, the restrictions imposed by this Section 1.13 shall continue to apply until
the expiration of the eighteen (18)-day period beginning on the issuance of the earnings release or the occurrence of the material news or material event. 

(b) Each Holder agrees that a legend reading substantially as follows shall be placed on all certificates representing all Registrable
Securities of each Holder (and the shares or securities of every other person subject to the restriction contained in this Section 1.13): 

THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO A LOCK-UP PERIOD AFTER THE EFFECTIVE DATE OF THE ISSUER’S REGISTRATION
STATEMENT FILED UNDER THE ACT, AS AMENDED, AS SET FORTH IN AN AGREEMENT BETWEEN THE COMPANY AND THE ORIGINAL HOLDER OF THESE SECURITIES, A COPY OF WHICH MAY BE OBTAINED AT THE ISSUER’S PRINCIPAL OFFICE. SUCH LOCK-UP PERIOD IS BINDING ON
TRANSFEREES OF THESE SHARES. 
 1.14 Termination of Registration Rights. No Holder shall be entitled to exercise any right provided
for in this Section 1 (a) after five (5) years following a Qualified Public Offering, as that term is defined in the Restated Certificate, (b) as to any Holder, such earlier time after the Initial Offering at which such
Holder (i) can sell all shares held by it in compliance with Rule 144(b)(1)(i) or (ii) holds one percent (1%) or less of the Company’s outstanding Common Stock and all Registrable Securities held by such Holder (together
with any Affiliate of the Holder with whom such Holder must aggregate its sales under Rule 144) can be sold in any three (3) month period without registration in compliance with Rule 144, or (c) the consummation of a Liquidation
Event, as that term is defined in the Restated Certificate, other than a Liquidation Event where the consideration is stock that is not tradable on a national securities exchange. 

2. Covenants of the Company. 

2.1 Delivery of Financial Statements. The Company shall, upon request, deliver to each Investor (or transferee of an Investor): 

(a) as soon as practicable, but in any event within sixty (60) days after the end of each fiscal year of the Company, an income statement
for such fiscal year, a balance sheet of the Company and statement of stockholders’ equity as of the end of such year, and a statement of cash flows for such year, such year-end financial reports to be in
reasonable detail, prepared in accordance with generally accepted accounting principles (“GAAP”), and audited and certified by independent public accountants of nationally recognized standing selected by the Company’s Board of
Directors and acceptable to Yahoo!; 
 (b) as soon as practicable, but in any event within forty-five (45) days after the end of each
of the first three (3) quarters of each fiscal year of the Company, an unaudited income statement, statement of cash flows for such fiscal quarter and an unaudited balance sheet and a statement of stockholders’ equity as of the end of such
fiscal quarter, all 

  
 15 

 
prepared in accordance with GAAP (except that such financial statements may (i) be subject to normal year-end audit adjustments and (ii) not contain all notes thereto that may be
required in accordance with GAAP); 
 (c) within thirty (30) days of the end of each month, an unaudited income statement and
statement of cash flows for such month, and an unaudited balance sheet and statement of stockholders’ equity as of the end of such month, all prepared in accordance with GAAP (except that such financial statements may (i) be subject to
normal year-end audit adjustments and (ii) not contain all notes thereto that may be required in accordance with GAAP); 
 (d) as soon
as practicable, but in any event at least thirty (30) days prior to the end of each fiscal year, a budget and business plan for the next fiscal year, approved by the Board of Directors, on a monthly basis, including balance sheets, income
statements and statements of cash flows for such months and, as soon as prepared, any other budgets or revised budgets prepared by the Company; 

(e) as promptly as reasonably practicable after the end of each calendar year, but in any event within thirty (30) calendar days after
the end of each calendar year, a detailed capitalization table as of December 31 of such calendar year on a fully-diluted basis, setting out (i) the authorized shares of the Company, (ii) the issued and outstanding shares of the
Company on a stockholder-by-stockholder basis, (iii) the outstanding options, warrants and/or other convertible securities of the Company, showing the number of such securities held by each holder thereof, the number and type of shares of
capital stock then subject to issuance upon exercise or conversion of such securities, and the extent to which such securities are then vested and exercisable, and (iv) any transfers of shares or other securities during such calendar year; and

 (f) such other information relating to the financial condition, business or corporate affairs of the Company as the Investor may from
time to time request, provided, however, that the Company shall not be obligated under this subsection (f) or any other subsection of Section 2.1 to provide information that (i) it deems in good faith to be
a trade secret or similar confidential proprietary information or (ii) the disclosure of which would adversely affect the attorney-client privilege between the Company and its counsel. 

For purposes of Section 2.1(a) above, any of the following independent public accountants shall be acceptable to Yahoo!: Deloitte
Touche, PricewaterhouseCoopers, Ernst & Young, KPMG, Grant Thornton and BDO. 
 If, for any period, the Company has any subsidiary
whose accounts are consolidated with those of the Company, then in respect of such period the financial statements delivered pursuant to the foregoing sections shall be the consolidated and consolidating financial statements of the Company and all
such consolidated subsidiaries. 
 The Company further acknowledges and agrees that (a) it will modify its information obligations
set forth in this Section 2.1 as reasonably necessary in order to enable Yahoo! to comply with applicable SEC and other public reporting requirements, as the same may be amended or change from time to time, as reasonably determined by
Yahoo!, and (b) it will 

  
 16 

 
maintain a system of internal accounting controls appropriate for similarly situated companies designed to provide reasonable assurances (i) that transactions, receipts and expenditures of
the Company are being executed and made only in accordance with authorizations of management and/or the Board of Directors, (ii) that transactions are recorded as necessary (A) to permit preparation of financial statements in conformity
with GAAP and (B) to maintain accountability for assets, (iii) regarding prevention or timely detection of unauthorized acquisition, use or disposition of the assets of the Company, (iv) that the amount recorded for assets on the
books and records of the Company are compared with the existing assets at reasonable intervals and appropriate action is taken with respect to any differences and (v) that accounts, notes and other receivables and inventory are recorded
accurately, and proper and adequate procedures are implemented to effect the collection thereof on a current and timely basis. 

Notwithstanding the lead-in to this Section 2.1, but otherwise subject to the terms of this Section 2.1, without any
further request by Yahoo!, Teradata Corporation or Hewlett-Packard Company (“HP”), as applicable, the Company shall provide to each of Yahoo!, Teradata Corporation and HP the information described in subsections (a),
(b), (c) and (e) of this Section 2.1 in each case in accordance with the deadlines described in such subsections; provided however, the Company shall not be obligated to provide any
information pursuant to this Agreement, if the Company determines, in good faith, that such information is competitive, a trade secret or highly confidential. Such information shall be delivered to each of (i) Yahoo!’s Global
Controller & Chief Accounting Officer at kothari@yahoo-inc.com or to such other person or persons employed by Yahoo! as Yahoo! may from time to time designate in writing, (ii) Teradata Corporation’s Chief Accounting Officer at
samuel.schwartz@teradata.com or to such other person or persons employed by Teradata Corporation as Teradata Corporation may from time to time designate in writing and (iii) HP’s VP Corporate Development at lak.ananth@hp.com or to such
other person or persons employed by HP as HP may from time to time designate in writing. 
 2.2 Inspection. The Company shall permit
each Investor, at such Investor’s expense, to visit and inspect the Company’s properties, to examine its books of account and records and to discuss the Company’s affairs, finances and accounts with its officers, all at such
reasonable times as may be requested by the Investor; provided, however, that the Company shall not be obligated pursuant to this Section 2.2 to provide access to any information that it reasonably considers to be a trade
secret or similar confidential information. 
 2.3 Termination of Information and Inspection Covenants. The covenants set forth in
Sections 2.1 and 2.2 shall terminate and be of no further force or effect upon the earlier to occur of (a) a Qualified Public Offering, as that term is defined in the Restated Certificate, (b) when the Company first
becomes subject to the periodic reporting requirements of Sections 12(g) or 15(d) of the 1934 Act, whichever event shall first occur or (c) the consummation of a Liquidation Event, as that term is defined in the Restated Certificate, other
than a Liquidation Event where any portion of the consideration received by such Investor is stock of a class that is not tradable on a national securities exchange. 

2.4 Right of First Offer. Subject to the terms and conditions specified in this Section 2.4, the Company hereby grants to
each Investor a right of first offer with respect to future sales by the Company of its Shares (as hereinafter defined). For purposes of this 

  
 17 

 
Section 2.4, the term “Investor” includes any general partners, limited partners, members, direct or indirect subsidiaries of such person that are at least 50%
controlled by such person and affiliates of an Investor, and/or any venture capital fund (or other investment fund) now or hereafter existing that is controlled by one or more general partners or managing members of, or is under common investment
management with, such Investor. An Investor shall be entitled to apportion the right of first offer hereby granted it among itself and its partners, Affiliates and other aforementioned persons in such proportions as it deems appropriate. 

Each time the Company proposes to offer any shares of, or securities convertible into or exchangeable or exercisable for any shares of its
capital stock including, without limitation, any such shares or securities issued in connection with debt securities (“Shares”), the Company shall first make an offering of such Shares to each Investor in accordance with the
following provisions: 
 (a) The Company shall deliver a notice in accordance with Section 3.5 (“Notice”) to
the Investors stating (i) its bona fide intention to offer such Shares, (ii) the number of such Shares to be offered and (iii) the price and terms upon which it proposes to offer such Shares. 

(b) By written notification received by the Company within thirty (30) calendar days after the giving of Notice, each Investor may elect
to purchase, at the price and on the terms specified in the Notice, up to that portion of such Shares that equals the proportion that the number of shares of Common Stock that are Registrable Securities issued and held by such Investor (assuming
full conversion and exercise of all convertible and exercisable securities then outstanding) bears to the total number of shares of Common Stock of the Company then outstanding (assuming full conversion and exercise of all convertible and
exercisable securities then outstanding). The Company shall promptly, in writing, inform each Investor that elects to purchase all the shares available to it (a “Fully-Exercising Investor”) of any other Investor’s failure to do
likewise. During the ten (10) day period commencing after such information is given, each Fully-Exercising Investor may elect to purchase that portion of the Shares for which Investors were entitled to
subscribe, but which were not subscribed for by the Investors, that is equal to the proportion that the number of shares of Registrable Securities issued and held by such Fully-Exercising Investor bears to the
total number of Registrable Securities issued and held, or issuable upon conversion of the Preferred Stock then held, by all Fully-Exercising Investors who wish to purchase some of the unsubscribed shares.

 (c) If all Shares that Investors are entitled to obtain pursuant to subsection 2.4(b) are not elected to be obtained as
provided in subsection 2.4(b) hereof, the Company may, during the sixty (60) day period following the expiration of the period provided in subsection 2.4(b) hereof, offer the remaining unsubscribed portion of such Shares
to any person or persons at a price not less than that, and upon terms no more favorable to the offeree than those, specified in the Notice. If the Company does not enter into an agreement for the sale of the Shares within such period, or if such
agreement is not consummated within thirty (30) days of the execution thereof, the right provided hereunder shall be deemed to be revived and such Shares shall not be offered unless first reoffered to the Investors in accordance herewith. 

(d) The right of first offer in this Section 2.4 shall not be applicable to 

  
 18 

 
(i) the issuance or sale of shares of Common Stock (or options therefor) to employees, directors, consultants and other service providers for the primary purpose of soliciting or retaining
their services pursuant to plans or agreements approved by the Company’s Board of Directors, (ii) the issuance of securities pursuant to a bona fide, firmly underwritten public offering of shares of Common Stock registered under the Act,
(iii) the issuance of securities pursuant to the conversion or exercise of convertible or exercisable securities outstanding as of the date hereof, (iv) the issuance of securities in connection with a bona fide business acquisition of or
by the Company, whether by merger, consolidation, sale of assets, sale or exchange of stock or otherwise approved by the Board of Directors, (v) the issuance of that certain Warrant to Purchase Shares of Common Stock issued to Yahoo! as of
June 9, 2014 and the issuance of shares of Common Stock upon exercise thereof, (vi) the issuance of the shares of Series A Preferred Stock issuable upon exercise of the Warrant (or the Common Stock issuable upon conversion thereof),
(vii) the issuance of securities pursuant to any equipment leasing arrangement or debt financing arrangement, which arrangement is approved by the Board of Directors, and is primarily for non-equity financing purposes, (viii) issuance of
securities pursuant to the Allocation Agreement dated as of March 24, 2014 by and between the Company and Passport Capital, LLC (“Passport”) (the “IPO Allocation Agreement”), or (ix) the issuance of
securities that are specifically deemed not to be subject to the right of first offer in this Section 2.4 by the written consent or affirmative vote of the Investors holding at least a majority of the Common Stock issuable or issued upon
conversion of Preferred Stock held by Investors. In addition to the foregoing, the right of first offer in this Section 2.4 shall not be applicable with respect to any Investor in any subsequent offering of Shares if (i) at the time
of such offering, the Investor is not an “accredited investor,” as that term is then defined in Rule 501(a) of the Act and (ii) such offering of Shares is otherwise being offered only to accredited investors. 

(e) The rights provided in this Section 2.4 may not be assigned or transferred by any Investor; provided, however,
that an Investor that is a venture capital fund (or other investment fund), corporation, limited liability company, limited partnership or other entity may assign or transfer such rights to its Affiliates. 

(f) The covenants set forth in this Section 2.4 shall terminate and be of no further force or effect upon the consummation of
(i) a Qualified Public Offering, as that term is defined in the Restated Certificate or (ii) a Liquidation Event, as that term is defined in the Restated Certificate, other than a Liquidation Event where the consideration is stock that is
not tradable on a national securities exchange. 
 2.5 Key Man Insurance. The Company’s Board of Directors shall maintain key
man insurance on terms acceptable to the Company’s Board of Directors. 
 2.6 Directors and Officers Insurance. The Company
shall use commercially reasonable efforts to maintain adequate insurance covering its officers and directors and their related persons for at least $1,000,000, from claims arising from action taken in good faith on behalf of the Company, on terms
reasonably acceptable to the Company’s Board of Directors. 
 2.7 Proprietary Information and Inventions Agreements. The Company
shall require all employees and consultants with access to confidential information to execute and deliver a Proprietary Information and Inventions Agreement in substantially the form approved by the Company’s Board of Directors. 

  
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 2.8 Employee Agreements. Unless approved by the Board of Directors of the Company, all
future employees of the Company who shall purchase, or receive options to purchase, shares of Common Stock following the date hereof shall be required to execute stock purchase or option agreements providing for (a) vesting of shares over a
four (4) year period with the first twenty five percent (25%) of such shares vesting following twelve (12) months of continued employment or services, and the remaining shares vesting in equal monthly installments over the following
thirty six (36) months thereafter and (b) a one hundred and eighty (180)-day lockup period (plus an additional period of up to eighteen (18) days) in connection with the Company’s initial public offering. The Company shall retain
a right of first refusal on transfers until the Company’s initial public offering and the right to repurchase unvested shares at the lesser of cost or fair market value. 

2.9 Board of Directors Meetings. Unless otherwise approved by a majority of the members of the Board of Directors of the Company, the
Board of Directors of the Company shall meet at least six (6) times per year, of which at least four (4) such meetings shall be in person. The Company shall reimburse the reasonable out-of-pocket expenses (including travel expenses) of the
members of the Board of Directors of the Company related to attending such meetings. The Company will cause its management team to use commercially reasonable efforts to deliver reporting information to the Board of Directors at least three days
prior to each regular meeting of the Board of Directors in the form and having the content determined by the Board of Directors at the first meeting of the Board of Directors to be held following the date of this Agreement (which form of reporting
shall only be thereafter changed with the approval of the Board of Directors). Any proposal, offer or indication of interest received by the Company from any person with respect to an equity investment in the Company, or with respect to the
consummation of any Liquidation Event or other acquisition of the Company, or of any material portion of its business or assets (other than the license of intellectual property in the ordinary course of the Company’s business), shall be
presented to the Board of Directors of the Company as soon as practicable and in any event within seven business days of the Company’s receipt of such proposal, offer or indication of interest. 

2.10 Issuance of Series A Preferred Stock. The Company shall not issue any shares of Series A Preferred Stock other than pursuant to
the Series A Agreement or the exercise of the Warrant. 
 2.11 Yahoo! Special Approval Rights. In addition to any other approvals
required by law, under this Agreement or otherwise, for so long as Yahoo! continues to hold at least a majority of the Registrable Securities purchased by it pursuant to the Series A Agreement: 

Until July 1, 2016, Yahoo!’s prior written approval shall be required prior to (i) the closing of the sale, transfer, exclusive
license or other disposition of all or substantially all of the assets (taken as a whole) of the Company or a majority-owned subsidiary of the Company to or (ii) the consummation of the merger or consolidation of the Company or a majority-owned
subsidiary of the Company with or into Google Inc. or Facebook, Inc., or any successors to all or substantially all of such corporations’ respective businesses, or any direct or indirect subsidiary of such corporation that is at least 50%
controlled by such corporation. 

  
 20 

 2.12 Successor Indemnification. If the Company or any of its successors or assignees
consolidates with or merges into any other Person and is not the continuing or surviving corporation or entity of such consolidation or merger, then to the extent necessary, proper provision shall be made so that the successors and assignees of the
Company assume the obligations of the Company with respect to indemnification of members of the Board of Directors as in effect immediately before such transaction, whether such obligations are contained in the Company’s Bylaws, its Certificate
of Incorporation, or elsewhere, as the case may be. 
 2.13 Increase to Unallocated Option Pool. The Company shall not increase the
number of unallocated shares available for issuance as of the date hereof to employees, directors, consultants and other service providers under the 2011 Stock Option Plan to an amount greater than 10% of the fully diluted capitalization of the
Company as of the date hereof without approval by either (A) the Company’s Board of Directors (including each designee of the holders of Series A Preferred Stock and Series B Preferred Stock), or (B) the holders of a majority of the
shares of Preferred Stock then outstanding (voting together as a single class on an as-converted basis). 
 2.14 Termination of Certain
Covenants. The covenants set forth in Sections 2.5 through 2.11 and 2.13 shall terminate and be of no further force or effect upon the consummation of (a) a Qualified Public Offering, as that term is defined in the Restated
Certificate, or (b) a Liquidation Event, as that term is defined in the Restated Certificate. In addition, Section 2.11 shall terminate and be of no further force or effect upon the consummation of a Yahoo! Change of Control. For
purposes of this Agreement, a “Yahoo! Change of Control” shall mean (A) the closing of the sale, transfer, exclusive license or other disposition of all or substantially all of Yahoo!’s assets, (B) the consummation of
the merger or consolidation of Yahoo! with or into another entity (except a merger or consolidation in which the holders of capital stock of Yahoo! immediately prior to such merger or consolidation continue to hold at least 50% of the voting power
of the capital stock of Yahoo! or the surviving or acquiring entity), (C) the closing of the transfer (whether by merger, consolidation or otherwise), in one transaction or a series of related transactions, to a person or group of affiliated
persons (other than an underwriter of Yahoo!’s securities), of Yahoo!’s securities if, after such closing, such person or group of affiliated persons would hold 50% or more of the outstanding voting stock of Yahoo! (or the surviving or
acquiring entity) or (D) a liquidation, dissolution or winding up of Yahoo!.  
 3. Miscellaneous. 

3.1 Successors and Assigns. Except as otherwise provided herein, the terms and conditions of this Agreement shall inure to the benefit
of and be binding upon the respective successors and assigns of the parties (including transferees of any shares of Registrable Securities). Nothing in this Agreement, express or implied, is intended to confer upon any party other than the parties
hereto or their respective successors and assigns any rights, remedies, obligations or liabilities under or by reason of this Agreement, except as expressly provided in this Agreement. 

  
 21 

 3.2 Governing Law. Subject to Section 3.10 below, this Agreement shall be
governed by and construed under the laws of the State of California as applied to agreements among California residents entered into and to be performed entirely within California. 

3.3 Counterparts; Facsimile. This Agreement may be executed and delivered by facsimile or electronic signature (including pdf) and in
two (2) or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one (1) and the same instrument. 

3.4 Titles and Subtitles. The titles and subtitles used in this Agreement are used for convenience only and are not to be considered in
construing or interpreting this Agreement. 
 3.5 Notices. All notices and other communications given or made pursuant hereto shall
be in writing and shall be deemed effectively given upon the earlier to occur of actual receipt or: (a) upon personal delivery to the party to be notified, (b) when sent by electronic mail if also confirmed by facsimile sent during
normal business hours of the recipient, effective as of the delivery of the facsimile; if not sent via facsimile during normal business hours, then on the next business day, (c) five (5) days after having been sent by registered or
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. The occurrence of any one
of the events set forth in clauses (a) through (d) above shall constitute “Delivery” of notice. All communications shall be sent to the respective parties at the addresses set forth on the signature pages attached
hereto (or at such other addresses as shall be specified by notice given in accordance with this Section 3.5). This Section 3.5 shall not apply to HP, and the delivery and notice provisions with respect to HP shall be
set forth on its signature page to this Agreement.
 3.6 Expenses. If any action at law or in equity is necessary to enforce or
interpret the terms of this Agreement, the prevailing party shall be entitled to reasonable attorneys’ fees, costs and necessary disbursements in addition to any other relief to which such party may be entitled. 

3.7 Entire Agreement; Amendments and Waivers. This Agreement (including the Exhibits hereto, if any) constitutes the full and entire
understanding and agreement among the parties with regard to the subjects hereof and thereof. Upon the effectiveness of this Agreement, the Prior Agreement shall be deemed amended and restated and superseded and replaced in its entirety by this
Agreement, and shall be of no further force or effect. Any term of this Agreement may be amended and the observance of any term of this Agreement may be waived (either generally or in a particular instance and either retroactively or prospectively)
only with the written consent of the Company and the Investors holding at least a majority of the Registrable Securities then outstanding; provided that Sections 2.10 and 2.11 of this Agreement may only be amended and the
observance of such terms may only be waived (either generally or in a particular instance and either retroactively or prospectively) by Yahoo!, the Investors holding at least a majority of the Registrable Securities then outstanding and the Company;
provided further that Section 1.13 of this Agreement may only be amended and the observance of such terms may only be waived on behalf of the Investors (either generally or in a particular

  
 22 

 
instance and either retroactively or prospectively) by the holders of a majority of the shares of Series D Preferred Stock then outstanding, the Company and the Investors holding at least a
majority of the Registrable Securities then outstanding; and provided further that any waiver of Section 2.4 of this Agreement by Investors holding at least a majority of the Registrable Securities then outstanding (the
“Waiving Holders”) shall not be effective as to any Investor who has not waived such right of first offer unless (x) no Waiving Holder purchases any Shares in such issuance or (B) if any Waiving Holder purchases Shares in
such issuance, each Investor shall have been provided the opportunity to purchase up to such Investor’s pro rata share (as calculated in the manner described in Section 2.4) of all of the Shares that are allocated for
purchase by the Investors. For purposes of clarification, the Waiving Holders shall have the right to waive the right of first offer contained in Section 2.4 in a partial and proportionate manner such that each Investor that is entitled
to a right of first offer pursuant to Section 2.4 is offered the opportunity to purchase its pro rata share (as calculated in the manner described in Section 2.4) of a lesser number of aggregate shares than the actual
number of Shares that the Company proposes to offer generally, and any such partial and proportionate waiver shall be binding on each Investor whether or not such Investor has expressly agreed to such partial and proportionate waiver. Any amendment
or waiver effected in accordance with this paragraph shall be binding upon each holder of any Registrable Securities, each future holder of all such Registrable Securities and the Company. No waivers of or exceptions to any term, condition, or
provision of this Agreement, in any one or more instances, shall be deemed to be or construed as a further or continuing waiver of any such term, condition, or provision. Notwithstanding anything herein to the contrary, if any amendment, based
solely on a reading of the explicit terms thereof, would alter or change the rights and obligations of an Investor or group of Investors in a manner that is materially and adversely different than the treatment by such amendment of the rights and
obligations of other Investors, then such amendment shall also require the written consent of the Investor so adversely affected (in the case of one adversely affected Investor) or the holders of a majority of Registrable Securities held by the
group of Investors so adversely affected (in the case of more than one adversely affected Investor). 
 3.8 Severability. Whenever
possible, each provision of this Agreement shall be interpreted in such manner as to be effective and valid under applicable law, but if any provision of this Agreement shall be held to be prohibited by or invalid under applicable law, such
provision shall be ineffective only to the extent of such prohibition or invalidity, without invalidating the remainder of such provision or the remaining provisions of this Agreement. 

3.9 Aggregation of Stock. All shares of Registrable Securities held or acquired by affiliated entities (including affiliated venture
capital funds (or other investment funds) or venture capital funds (or other investment funds) under common investment management) or persons shall be aggregated together for the purpose of determining the availability of any rights under this
Agreement. 
 3.10 Dispute Resolution. Any unresolved controversy or claim arising out of or relating to this Agreement shall be
submitted to arbitration by one arbitrator mutually agreed upon by the parties, and if no agreement can be reached within thirty (30) days after names of potential arbitrators have been proposed by the American Arbitration Association (the
“AAA”), then by one arbitrator having reasonable experience in corporate finance transactions of the type provided for in this Agreement and who is chosen by the AAA. The arbitration shall take place 

  
 23 

 
in the State of California, County of San Mateo, in accordance with the AAA rules then in effect, and judgment upon any award rendered in such arbitration will be binding and may be entered in
any court having jurisdiction thereof. There shall be limited discovery prior to the arbitration hearing as follows: (a) exchange of witness lists and copies of documentary evidence and documents relating to or arising out of the issues to be
arbitrated, (b) depositions of all party witnesses and (c) such other depositions as may be allowed by the arbitrators upon a showing of good cause. Depositions shall be conducted in accordance with Section 3.2 hereof, the
arbitrator shall be required to provide in writing to the parties the basis for the award or order of such arbitrator, and a court reporter shall record all hearings, with such record constituting the official transcript of such proceedings. The
prevailing party shall be entitled to reasonable attorney’s fees, costs, and necessary disbursements in addition to any other relief to which such party may be entitled. 

3.11 Acknowledgment. The Company acknowledges that certain of the Investors are in the business of venture capital investing (or other
types of investing) and therefore review the business plans and related proprietary information of many enterprises, including enterprises which may have products or services which compete directly or indirectly with those of the Company. Nothing in
this Agreement shall preclude or in any way restrict the Investors from investing or participating in any particular enterprise whether or not such enterprise has products or services which compete with those of the Company; provided
however, the Investors agree that nothing in this Section 3.11 shall limit or otherwise modify any director’s fiduciary duties to the Company. 

[Remainder of page intentionally left blank] 

  
 24 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above
written. 
  

					
		 	COMPANY:
		
		 	HORTONWORKS, INC.
			
		 	By:    	 	 /s/ Rob Bearden

			
		 	Name: 	 	 Rob Bearden

			
		 	Title: 	 	 Chief Executive Officer

		
	Address:    	 	 3460 West Bayshore Road
 Palo Alto,
CA 94303

 SIGNATURE PAGE TO AMENDED
AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above
written. 
  

					
		 	 INVESTORS:

		
		 	 BLACKROCK GLOBAL OPPORTUNITIES

EQUITY TRUST

			
		 	By:    	 	BlackRock Advisors, LLC
		 	Its: 	 	Investment Advisor

 
					
			
		 	By:    	 	 /s/ Tony Kim

			
		 	Name: 	 	 Tony Kim

 
					
			
		 	Title: 	 	 MD

 
					
			
	Address:    	 		 	
		
		 	 BLACKROCK GLOBAL OPPORTUNITIES

PORTFOLIO OF BLACKROCK FUNDS

			
		 	By:    	 	BlackRock Advisors, LLC
		 	Its: 	 	Investment Advisor

 
					
			
		 	By:    	 	 /s/ Tony Kim

			
		 	Name: 	 	 Tony Kim

 
					
			
		 	Title: 	 	 MD

 
					
			
	Address:    	 		 	

 SIGNATURE PAGE TO AMENDED
AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above
written. 
  

					
		 	INVESTORS:
		
		 	 BLACKROCK SCIENCE & TECHNOLOGY

OPPORTUNITIES PORTFOLIO, A SERIES
 OF BLACKROCK FUNDS
II

			
		 	By:    	 	BlackRock Advisors, LLC
		 	Its: 	 	Investment Advisor

 
					
			
		 	By:    	 	 /s/ Tony Kim

			
		 	Name: 	 	 Tony Kim

 
					
			
		 	Title: 	 	 MD

 
					
			
	Address:    	 		 	
		
		 	 BLACKROCK U.S. OPPORTUNITIES

PORTFOLIO, A SERIES OF BLACKROCK

FUNDS

			
		 	By:    	 	BlackRock Advisors, LLC
		 	Its: 	 	Investment Advisor

 
					
			
		 	By:    	 	 /s/ Tony Kim

			
		 	Name: 	 	 Tony Kim

 
					
			
		 	Title: 	 	 MD

 
					
			
	Address:    	 		 	

 SIGNATURE PAGE TO AMENDED
AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above
written. 
  

					
		 	INVESTORS:
		
		 	 BLACKROCK GLOBAL OPPORTUNITIES

V.I. FUND OF BLACKROCK VARIABLE
 SERIES FUNDS,
INC.

			
		 	By:    	 	BlackRock Advisors, LLC
		 	Its: 	 	Investment Advisor

 
					
			
		 	By:    	 	 /s/ Tony Kim

			
		 	Name: 	 	 Tony Kim

 
					
			
		 	Title: 	 	 MD

 
					
			
	Address:    	 		 	

 SIGNATURE PAGE TO AMENDED
AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above
written. 
  

			
	INVESTORS:
	
	 PASSPORT PARTNERS MASTER FUND

SPC LTD. – PORTFOLIO A

		
	By:	 	Passport Capital, LLC, its
		 	Investment Manager
		
	By:	 	 /s/ Joanne Cormican

		 	Name:  Joanne Cormican
		 	Title:    Chief Operating Officer
	
	 PASSPORT SPECIAL OPPORTUNITIES

MASTER FUND, LP

		
	By:	 	Passport Capital, LLC, its
		 	Investment Manager
		
	By:	 	 /s/ Joanne Cormican

		 	Name:  Joanne Cormican
		 	Title:    Chief Operating Officer

 SIGNATURE PAGE TO AMENDED
AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above
written. 
  

					
		 	 INVESTORS:

		
		 	 BENCHMARK CAPITAL PARTNERS VI, L.P.

		 	 as nominee for
 Benchmark Capital
Partners VI, L.P.,
 Benchmark Founders’ Fund VI, L.P.,

Benchmark Founders’ Fund VI-B, L.P.
 and related
individuals

		
		 	 By:  Benchmark Capital Management Co. VI, L.L.C.,

its general partner

 
					
			
		 	By:	 	 /s/ Steven M. Spurlock

 
					
			
		 	Name:	 	 Steven M. Spurlock

			
		 	Title:	 	 Managing Member

 
					
		
	Address:    	 	2965 Woodside Road
		 	Woodside, CA 94062
		
		 	BENCHMARK CAPITAL PARTNERS VII, L.P. 
		 	 as nominee for
 Benchmark Capital
Partners VII, L.P.,
 Benchmark Founders’ Fund VII, L.P.,

Benchmark Founders’ Fund VII-B, L.P.

		
		 	 By:  Benchmark Capital Management Co. VII, L.L.C.,

its general partner

 
					
			
		 	By:	 	 /s/ Steven M. Spurlock

					
			
		 	Name:	 	 Steven M. Spurlock

			
		 	Title:	 	 Managing Member

 
					
		
	Address:    	 	 2965 Woodside Road
 Woodside, CA
94062

 SIGNATURE PAGE TO AMENDED
AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above
written. 
  

					
		 	INVESTORS:
		
		 	YAHOO! INC.

 
					
			
		 	By:	 	 /s/ Jacqueline D. Reses

					
			
		 	Name:	 	 Jacqueline D. Reses

					
			
		 	Title:	 	 Chief Development Officer

 

					
	Address:  	 	 701 First Avenue

		
		 	 Sunnyvale, CA 94089

  
 SIGNATURE
PAGE TO AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above
written. 
  

			
	INVESTORS:
	
	INDEX VENTURES IV (JERSEY), L.P.
	
	By: its Managing General Partner:
	Index Venture Associates IV Limited
		
	By:	 	 /s/ Paul Willing

 
			
		
	Name:	 	   Paul Willing

			
		
	Title:	 	     Director

 

					
		  	Address:    	  	Ogier House
		  		  	The Esplanade
		  		  	St Helier
		  		  	Jersey JE4 9WG
		  		  	Channel Islands
		  		  	Attention: Giles Johnstone-Scott

  

			
	 INDEX VENTURES IV PARALLEL

ENTREPRENEUR FUND (JERSEY), L.P.

	
	By: its Managing General Partner:
	Index Venture Associates IV Limited
		
	By:	 	 /s/ Paul Willing

 
			
		
	Name:	 	   Paul Willing

			
		
	Title:	 	     Director

 

					
		  	Address:    	  	Ogier House
		  		  	The Esplanade
		  		  	St Helier
		  		  	Jersey JE4 9WG
		  		  	Channel Islands
		  		  	Attention: Giles Johnstone-Scott

  
 SIGNATURE
PAGE TO AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above
written. 
  

			
	INVESTORS:
	
	INDEX VENTURES V (JERSEY), L.P.
	
	By: its Managing General Partner:
	Index Venture Associates V Limited
		
	By:	 	 /s/ Paul Willing

 
			
		
	Name:	 	   Paul Willing

			
		
	Title:	 	     Director

 

					
		  	Address:    	  	Ogier House
		  		  	The Esplanade
		  		  	St Helier
		  		  	Jersey JE4 9WG
		  		  	Channel Islands
		  		  	Attention: Giles Johnstone-Scott

  

			
	 INDEX VENTURES V PARALLEL

ENTREPRENEUR FUND (JERSEY), L.P.

	
	By: its Managing General Partner:
	Index Venture Associates V Limited
		
	By:	 	 /s/ Paul Willing

 
			
		
	Name:	 	   Paul Willing

			
		
	Title:	 	     Director

 

					
		  	Address:    	  	Ogier House
		  		  	The Esplanade
		  		  	St Helier
		  		  	Jersey JE4 9WG
		  		  	Channel Islands
		  		  	Attention: Giles Johnstone-Scott

  
 SIGNATURE
PAGE TO AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above
written. 
  

			
	INVESTORS:
	
	YUCCA (JERSEY) SLP
	
	By: Ogier Employee Benefit Services Limited as Authorised Signatory of Yucca (Jersey) SLP in its capacity as administrator of the Index Co-Investment
Scheme,

 
			
		
	By:	 	 /s/ Paul Willing /s/ Giles
Johnstone-Scott

 
			
		
	Name:	 	 Paul Willing & Giles
Johnstone-Scott

 
			
		
	Title:	 	 Authorized Signatories

 

							
		  	Address:    	  	Ogier House	  	
		  		  	The Esplanade	  	
		  		  	St Helier	  	
		  		  	Jersey JE4 9WG	  	
		  		  	Channel Islands	  	
		  		  	Attention: Peter Le Breton	  	
				
		  		  	With copies to:	  	
		  		  	Index Venture Management S.A.	  	
		  		  	2 rue de Jargonnant	  	
		  		  	1207 Geneva	  	
		  		  	Switzerland	  	

  
 SIGNATURE
PAGE TO AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above
written. 
  

					
		 	INVESTORS:
		
		 	TENAYA CAPITAL VI, LP
			
		 	By:	 	Tenaya Capital VI GP, LLC
		 	Its:	 	General Partner
			
		 	By:    	 	 /s/ Dave Markland

			
		 	Name: 	 	 Dave Markland

			
		 	Title: 	 	 Attorney in Fact

		
	Address:    	 	3280 Alpine Road
		 	Portola Valley, CA 94028

  
 SIGNATURE
PAGE TO AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above
written. 
  

					
		 	INVESTORS:
		
		 	DRAGONEER OPPORTUNITIES FUND, L.P.
			
		 	By:	 	Dragoneer Global GP, LLC,
		 	Its:	 	General Partner
			
		 	By:	 	 /s/ Pat Robertson

		 	Name:	 	 Pat Robertson

		 	Title:	 	 COO

		
	Address:    	 	 101 California Street, Suite 2840

San Francisco, California 94111

		 
		
		 	DRAGONEER GLOBAL FUND, L.P.
			
		 	By:	 	Dragoneer Global GP, LLC,
		 	Its:	 	General Partner
			
		 	By:	 	 /s/ Pat Robertson

		 	Name:	 	 Pat Robertson

		 	Title:	 	 COO

		
	Address:    	 	 101 California Street, Suite 2840

San Francisco, California 94111

		 

  
 SIGNATURE
PAGE TO AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above
written. 
  

					
		 	INVESTORS:
		
		 	HEWLETT-PACKARD COMPANY
			
		 	By:	 	 /s/ Rishi Varma

 
					
			
		 	Name:	 	Rishi Varma
		 	Title:	 	SVP, DGC and Assistant Secretary
		
	Address:	 	3000 Hanover Street
		 	Palo Alto, CA 94304

 All notices and other communications to Hewlett-Packard Company given or made pursuant to this Agreement shall be in
writing and shall be deemed effectively given: (a) when sent by facsimile during normal business hours of the recipient if a facsimile number is so provided below, effective as of the delivery of the facsimile; if not sent via facsimile during
normal business hours, then on the next business day, (b) when sent by electronic mail if an electronic mail address is so provided below, effective as of the delivery of the electronic mail; if not sent via electronic mail during normal
business hours, then on the next business day or (c) upon personal delivery to the party to be notified. The occurrence of any one of the events set forth in clauses (a) through (c) above shall constitute “Delivery”
of notice to Hewlett-Packard Company. All communications to Hewlett-Packard Company shall be sent to the addresses set forth on this signature page (or at such other addresses as shall be specified by Hewlett-Packard Company). 

Hewlett-Packard Company 
 3000
Hanover Street 
 Palo Alto, CA 94304 

Attention: Head of Corporate Development 

Email: corpdevops@hp.com 
 and

 Hewlett-Packard Company 

3000 Hanover Street 
 Palo Alto,
CA 94304 
 Attention: General Counsel 

Facsimile No. 650 857-5518 

with a copy to (which copy shall not constitute notice): 

Skadden, Arps, Slate, Meagher & Flom LLP 

525 University Avenue 
 Palo Alto,
CA 94301 
 Attention: Leif B. King, Esq. 

Facsimile No: (650) 470-4570 

Email: leif.king@skadden.com 
  

SIGNATURE PAGE TO AMENDED AND RESTATED
INVESTORS’ RIGHTS AGREEMENT 

 SCHEDULE A 

SCHEDULE OF INVESTORS 

Benchmark Capital Partners VI, L.P. 

Benchmark Capital Partners VII, L.P. 

Yahoo! Inc. 
 Index Ventures IV
(Jersey), L.P. 
 Index Ventures IV Parallel Entrepreneur Fund (Jersey), L.P. 

Index Ventures V (Jersey), L.P. 

Index Ventures V Parallel Entrepreneur Fund (Jersey), L.P. 

Yucca (Jersey) SLP 
 SV Angel III,
L.P. 
 Teradata Corporation (with respect to its shares of Preferred Stock only) 

Tenaya Capital VI, LP 
 Dragoneer
Global Fund, LP 
 Dragoneer Opportunities Fund, L.P. 

SBC Investment Portfolio, LLC (with respect to its shares of Common Stock and Preferred Stock) 

BlackRock Global Opportunities Equity Trust 

BlackRock Global Opportunities Portfolio of BlackRock Funds 

BlackRock Science & Technology Opportunities Portfolio, a series of BlackRock Funds II 

BlackRock U.S. Opportunities Portfolio, a series of BlackRock Funds 

BlackRock Global Opportunities V.I. Fund of BlackRock Variable Series Funds, Inc. 

Passport Partners Master Fund SPC Ltd. – Portfolio A 

Passport Special Opportunities Master Fund, LP 

Osprey Capital LLC 
 Hewlett-Packard
CompanyPrepared by R.R. Donnelley Financial -- EX-4.3

 Exhibit 4.3 

THIS WARRANT AND THE SECURITIES ISSUABLE UPON THE EXERCISE HEREOF HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED. THEY
MAY NOT BE SOLD, OFFERED FOR SALE, PLEDGED, HYPOTHECATED, OR OTHERWISE TRANSFERRED EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE COMPANY
THAT REGISTRATION IS NOT REQUIRED UNDER SUCH ACT OR UNLESS SOLD PURSUANT TO RULE 144 UNDER SUCH ACT. 
  

			
	Date of Issuance	  	Void after
	July 1, 2011	  	June 30, 2020

 HORTONWORKS, INC. 

WARRANT TO PURCHASE SHARES OF SERIES A PREFERRED STOCK 

For valid consideration, the receipt and sufficiency of which is hereby acknowledged, this Warrant is issued to Yahoo! Inc., a Delaware
corporation (the “Holder”), by HortonWorks, Inc., a Delaware corporation (f/k/a H2 Source, Inc.) (the “Company”). 
 1.
Purchase of Shares. 
 (a) Number of Shares. Subject to the terms and conditions set forth herein, the Holder is entitled,
upon surrender of this Warrant at the principal office of the Company (or at such other place as the Company shall notify the Holder in writing), to purchase from the Company up to 3,250,000 fully paid and nonassessable shares of the Company’s
Series A Preferred Stock, par value $0.0001 per share (the “Series A Preferred Stock”). 
 (b) Exercise Price. The exercise
price for the shares of Series A Preferred Stock issuable upon exercise of this Warrant (the “Shares”) shall be $0.01 per share (the “Exercise Price”). The Shares and the Exercise Price shall be subject to adjustment pursuant to
Section 8 hereof. 
 2. Exercise Period. 

(a) Vesting and Exercise Period. Upon the occurrence of a Corporate Transaction (as defined below) (the “Vesting Date”), the
Warrant shall vest with respect to: (x) 2,500,000 Shares issuable upon exercise of this Warrant, provided that as of and prior to the first anniversary of the date hereof (i) the Holder has not terminated that certain Commercial Agreement,
dated June 21, 2011, by and between Holder and the Company, in the form attached hereto as Exhibit A and as the same may be amended from time to time in accordance therewith (as so amended, the “Commercial Agreement”), and
(ii) Holder has then made or caused to be made all payments then due to the Company for services rendered in the first year of the Commercial Agreement pursuant to the Commercial Agreement (in an amount not less than $1,000,000 for Support
Services and Horton Base Code Services Fees as set forth in the Commercial Agreement for the first year) and (y) 750,000 Shares issuable upon exercise of this 

 
Warrant, provided that as of and prior to the second anniversary of the date hereof (i) the Holder has not terminated the Commercial Agreement (other than pursuant to and in accordance with
Section 16.2(a) of the Commercial Agreement) and the Company has not terminated the Commercial Agreement pursuant to and in accordance with Section 16.2(a) of the Commercial Agreement, and (ii) unless Holder has previously terminated
the Commercial Agreement pursuant to and in accordance with Section 16.2(a) of the Commercial Agreement or the Company has previously terminated the Commercial Agreement (other than pursuant to and in accordance with Section 16.2(a) of the
Commercial Agreement), Holder has then made or caused to be made all payments then due to the Company for services rendered in the second year of the Commercial Agreement pursuant the Commercial Agreement (in an amount not less than $1,000,000 for
Support Services and Horton Base Code Services Fees as set forth in the Commercial Agreement for the second year); provided that if the Company terminates the Commercial Agreement pursuant to and in accordance with Section 16.2(a) of the
Commercial Agreement during the second year of the Commercial Agreement, and accordingly, the Warrant terminates with respect to 750,000 Shares, the Company shall have reimbursed the Holder within 10 days following the effective date of the
termination for all fees paid by the Holder for Support Services and Horton Base Code Services Fees in the second year prior to such termination. To the extent each of the conditions specified in clauses (x)(i) and (x)(ii), or (y)(i) and (y)(ii),
respectively, are not satisfied on or prior to the Vesting Date, this Warrant shall terminate and become null and void with respect to the applicable Shares subject to such conditions, and this Warrant shall no longer be exercisable by the Holder in
respect of such Shares. Subject to Section 2(b), to the extent each of the conditions specified in clauses (x)(i) and (x)(ii) are not satisfied prior to and as of the first anniversary of the date hereof, this Warrant shall terminate and become
null and void with respect to 2,500,000 Shares, and this Warrant shall no longer be exercisable by the Holder in respect of such Shares. Subject to Section 2(b), to the extent each of the conditions specified in clauses (y)(i) and (y)(ii) are
not satisfied prior to and as of the second anniversary of the date hereof, this Warrant shall terminate and become null and void with respect to 750,000 Shares, and this Warrant shall no longer be exercisable by the Holder in respect of such
Shares. This Warrant shall become exercisable, in whole or in part, upon the occurrence of a Corporate Transaction with respect to all Shares that have then vested hereunder and, if the Warrant becomes exercisable, it shall remain exercisable until
June 30, 2020 (the “Expiration Date”). Notwithstanding the foregoing, in the event of a Corporate Transaction that is a Liquidation Event (other than a Liquidation Event where the consideration is stock that is not tradable on a
national securities exchange), this Warrant shall automatically be deemed to be exercised for all shares that have vested and are exercisable in the manner set forth in Section 3, without any further action on behalf of the Holder immediately
prior to the closing of such Liquidation Event. A “Corporate Transaction” means the earlier of (i) the consummation of the Company’s first sale of its Common Stock or other securities pursuant to a registration statement under
the Securities Act of 1933, as amended (other than a registration statement relating either to the sale of securities to employees of the Company pursuant to a stock option, stock purchase or similar plan or a SEC Rule 145 transaction) (the
“Initial Public Offering”) and (ii) the consummation of a Liquidation Event, as such term is defined in the Company’s then current Amended and Restated Certificate of Incorporation on file with the Secretary of State of the State
of Delaware (a “Liquidation Event”). 
 (b) Acceleration. If a Corporate Transaction occurs prior to or on the first
anniversary following the date hereof, so long as the Holder has not terminated the Commercial 

  
 2 

 
Agreement, this Warrant shall vest and be exercisable with respect to 3,250,000 Shares effective as of the occurrence of the Corporate Transaction. If a Corporate Transaction occurs following the
first anniversary and prior to or on the second anniversary following the date hereof, (i) so long as the conditions set forth in clauses A(x)(i) and A(x)(ii) were met and the Holder has not terminated the Commercial Agreement (other than
pursuant to and in accordance with Section 16.2(a) of the Commercial Agreement) and the Company has not terminated the Commercial Agreement pursuant to and in accordance with Section 16.2(a) of the Commercial Agreement, this Warrant shall
vest and be exercisable with respect to 3,250,000 Shares effective as of the occurrence of the Corporate Transaction or (ii) if the conditions set forth in clauses A(x)(i) and A(x)(ii) were not met but the Holder has not terminated the
Commercial Agreement (other than, after the first anniversary of the Commercial Agreement, pursuant to and in accordance with Section 16.2(a) of the Commercial Agreement) and the Company has not, after the first anniversary of the Commercial
Agreement, terminated the Commercial Agreement pursuant to and in accordance with Section 16.2(a) of the Commercial Agreement, this Warrant shall vest and be exercisable with respect to 750,000 Shares effective as of the occurrence of the
Corporate Transaction. 
 3. Method of Exercise. 

(a) If the Warrant vests and becomes exercisable in accordance with Section 2 above, the Holder may exercise, in whole or in part, the
purchase rights evidenced hereby at any time prior to the Expiration Date. Such exercise shall be effected by: 
 (i) the surrender of the
Warrant, together with a duly executed copy of the Notice of Exercise attached hereto, to the Secretary of the Company at its principal office (or at such other place as the Company shall notify the Holder in writing); and 

(ii) the payment to the Company of an amount equal to the aggregate Exercise Price for the number of Shares being purchased (unless the
exercise is in accordance with Section 4 below). 
 (b) The exercise of this Warrant shall be deemed to have been effected immediately
prior to the close of business on the day on which this Warrant is surrendered to the Company as provided in Section 3(a) above. At such time, the person or persons in whose name or names any certificate for the Shares shall be issuable upon
such exercise as provided in Section 3(c) below shall be deemed to have become the holder or holders of record of the Shares represented by such certificate. 

(c) As soon as practicable after the exercise of this Warrant in whole or in part, the Company at its expense will cause to be issued in the
name of, and delivered to, the Holder: 
 (i) a certificate or certificates for the number of Shares to which such Holder shall be entitled,
and 
 (ii) in case such exercise is in part only, a new warrant or warrants (dated the date hereof) of like tenor, calling in the
aggregate on the face or faces thereof for the number of Shares equal to the number of such Shares described in this Warrant which have vested and are then exercisable minus the number of such Shares purchased by the Holder upon all exercises made
in accordance with Section 3(a) above or Section 4 below. 

  
 3 

 4. Net Exercise. In lieu of exercising this Warrant for cash, the Holder may elect to
receive shares equal to the value of this Warrant (or the portion thereof being exercised) by surrender of this Warrant at the principal office of the Company together with notice of such election (a “Net Exercise”). A Holder who Net
Exercises shall have the rights described in Sections 3(b) and 3(c) hereof, and the Company shall issue to such Holder a number of Shares computed using the following formula: 

 

									
	  
	 	 X
	 	=	 	 Y (A - B)
	  	
	 	 	 	A	  	

 Where 
  

			
	 X =
	  	The number of Shares to be issued to the Holder.
		
	 Y =
	  	The number of Shares purchasable under this Warrant or, if only a portion of the Warrant is being exercised, the portion of the Warrant being cancelled (at the date of such calculation).
		
	 A =
	  	The fair market value of one (1) Share (at the date of such calculation).
		
	 B =
	  	The Exercise Price (as adjusted to the date of such calculation).

 For purposes of this Section 4, the fair market value of a Share shall mean the average of the
closing bid and asked prices of the Shares (or equivalent shares of Common Stock underlying this Warrant) quoted in the over-the-counter market in which the Shares (or equivalent shares of Common Stock underlying the Warrant) are traded or the
closing price quoted on any exchange or electronic securities market on which the Shares (or equivalent shares of Common Stock underlying the Warrant) are listed, whichever is applicable, as published in The Wall Street Journal for the ten
(10) trading days prior to the date of determination of fair market value (or such shorter period of time during which such Shares were traded over-the-counter or on such exchange). In the event that this Warrant is exercised pursuant to this
Section 4 in connection with the Initial Public Offering, the fair market value per Share shall be the product of (a) the per share offering price to the public of the Initial Public Offering, and (b) the number of shares of Common
Stock into which each Share is convertible at the time of such exercise. If the Shares are not traded on the over-the-counter market, an exchange or an electronic securities market, the fair market value shall be the price per Share that the Company
could obtain from a willing buyer for Shares sold by the Company from authorized but unissued Shares, as such prices shall be determined in good faith by the Company’s Board of Directors. 

5. Further Limitations on Disposition; Legends. 

  
 4 

 (a) Holder agrees not to make any disposition of all or any portion of the Shares unless and
until the transferee has agreed in writing for the benefit of the Company to be bound by the terms of this Warrant, including, without limitation, this Section 5 and that certain Series A Preferred Stock Purchase Agreement (the “Purchase
Agreement”) of even date herewith between the Company and certain Investors (as defined therein), and: 
 (i) there is then in effect a
registration statement under the Act covering such proposed disposition and such disposition is made in accordance with such registration statement; or 

(ii) the 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 if reasonably requested by the Company, the 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 Act. It is agreed that the Company will not require opinions of counsel for transactions made pursuant to Rule 144 except in extraordinary circumstances. 

(b) Legends. It is understood that the Securities may bear the following legend: 

“THESE SECURITIES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED. THEY MAY NOT BE SOLD, OFFERED FOR SALE, PLEDGED,
HYPOTHECATED, OR OTHERWISE TRANSFERRED EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE COMPANY THAT REGISTRATION IS NOT REQUIRED UNDER SUCH
ACT OR UNLESS SOLD PURSUANT TO RULE 144 UNDER SUCH ACT.” 
 6. State Commissioners of Corporations. THE SALE OF THE SECURITIES
WHICH ARE THE SUBJECT OF THIS WARRANT HAS NOT BEEN QUALIFIED WITH THE COMMISSIONER OF CORPORATIONS OF THE STATE OF CALIFORNIA AND THE ISSUANCE OF SUCH SECURITIES OR THE PAYMENT OR RECEIPT OF ANY PART OF THE CONSIDERATION FOR SUCH SECURITIES PRIOR TO
SUCH QUALIFICATION IS UNLAWFUL, UNLESS THE SALE OF SECURITIES IS EXEMPT FROM QUALIFICATION BY SECTION 25100, 25102 OR 25105 OF THE CALIFORNIA CORPORATIONS CODE. THE RIGHTS OF ALL PARTIES TO THIS WARRANT ARE EXPRESSLY CONDITIONED UPON SUCH
QUALIFICATION BEING OBTAINED, UNLESS THE SALE IS SO EXEMPT. 
 7. Covenants as to Exercise Shares. The Company covenants and agrees
that all Shares that may be issued upon the exercise of the rights represented by this Warrant will, upon issuance in accordance with the terms hereof, be validly issued and outstanding, fully paid and nonassessable, and free from all taxes, liens
and charges with respect to the issuance thereof. The Company further covenants and agrees that the Company will at all times while this Warrant is exercisable pursuant to Section 2 above, have authorized and reserved, free from preemptive
rights, a sufficient number of shares of Series A Preferred Stock to provide for the exercise of the rights represented by this Warrant and a number of shares of Common Stock to provide for the conversion of such shares of Series A Preferred Stock.
If at any time while this Warrant is 

  
 5 

 
exercisable pursuant to Section 2 above the number of authorized but unissued shares of Series A Preferred Stock shall not be sufficient to permit exercise of this Warrant (or the number of
authorized buy unissued shares of Common Stock shall not be sufficient to permit conversion of such shares of Series A Preferred Stock), the Company will take all such corporate action as may, in the opinion of its counsel, be necessary to increase
its authorized but unissued shares of Series A Preferred Stock or Common Stock, as applicable, to such number of shares as shall be sufficient for such purposes. 

8. Adjustment of Exercise Price and Number of Shares. The number and kind of Shares purchasable upon exercise of this Warrant and the
Exercise Price shall be subject to adjustment from time to time as follows: 
 (a) Subdivisions, Combinations and Other Issuances. If
the Company shall at any time after the issuance but prior to the expiration of this Warrant subdivide its Series A Preferred Stock, by split-up or otherwise, or combine its Series A Preferred Stock, or issue additional shares of its Series A
Preferred Stock or Common Stock as a dividend with respect to any shares of its Series A Preferred Stock, the number of Shares issuable on the exercise of this Warrant shall forthwith be proportionately increased in the case of a subdivision or
stock dividend, or proportionately decreased in the case of a combination. Appropriate adjustments shall also be made to the Exercise Price payable per share, but the aggregate Exercise Price payable for the total number of Shares purchasable under
this Warrant (as adjusted) shall remain the same. Any adjustment under this Section 8(a) shall become effective at the close of business on the date the subdivision or combination becomes effective, or as of the record date of such dividend, or
in the event that no record date is fixed, upon the making of such dividend. 
 (b) Reclassification, Reorganization and
Consolidation. In case of any reclassification, capital reorganization or change in the capital stock of the Company (other than as a result of a subdivision, combination or stock dividend provided for in Section 8(a) above), then, as a
condition of such reclassification, reorganization or change, lawful provision shall be made, and duly executed documents evidencing the same from the Company or its successor shall be delivered to the Holder, so that the Holder shall have the right
at any time prior to the expiration of this Warrant to purchase, at a total price equal to that payable upon the exercise of this Warrant, the kind and amount of shares of stock and other securities or property receivable in connection with such
reclassification, reorganization or change by a holder of the same number and type of securities as were purchasable as Shares by the Holder immediately prior to such reclassification, reorganization or change. In any such case appropriate
provisions shall be made with respect to the rights and interest of the Holder so that the provisions hereof shall thereafter be applicable with respect to any shares of stock or other securities or property deliverable upon exercise hereof, and
appropriate adjustments shall be made to the Exercise Price per Share payable hereunder, provided the aggregate Exercise Price shall remain the same. 

(c) Notice of Adjustment. When any adjustment is required to be made in the number or kind of shares purchasable upon exercise of the
Warrant, or in the Exercise Price, the Company shall promptly notify the Holder of such event and of the number of Shares or other securities or property thereafter purchasable upon exercise of this Warrant. 

  
 6 

 (d) Conversion of Series A Preferred Stock. In the event that all outstanding shares of
Series A Preferred Stock are converted to Common Stock, or any other security, in accordance with the terms of the Company’s Amended and Restated Certificate of Incorporation, this Warrant shall become exercisable for Common Stock or such other
security. 
 9. No Fractional Shares or Scrip. No fractional shares or scrip representing fractional shares shall be issued upon the
exercise of this Warrant, but in lieu of such fractional shares the Company shall make a cash payment therefor on the basis of the Exercise Price then in effect. 

10. No Stockholder Rights. Prior to exercise of this Warrant, the Holder shall not be entitled to any rights of a stockholder with
respect to the Shares, including (without limitation) the right to vote such Shares, receive dividends or other distributions thereon, exercise preemptive rights or be notified of stockholder meetings, and, except as otherwise provided in this
Warrant, such Holder shall not be entitled to any stockholder notice or other communication concerning the business or affairs of the Company as a result of being the Holder of this Warrant. 

11. Transfer of Warrant. This Warrant is not transferable by the Holder and any attempted transfer shall be void; provided however that
Holder may transfer this Warrant to any of its direct or indirect wholly-owned subsidiaries. 
 12. Governing Law. This Warrant shall
be governed by and construed under the laws of the State of California as applied to agreements among California residents, made and to be performed entirely within the State of California. 

13. Successors and Assigns. The terms and provisions of this Warrant shall inure to the benefit of, and be binding upon, the Company
and the holders hereof and their respective successors and assigns. 
 14. Titles and Subtitles. The titles and subtitles used in
this Warrant are used for convenience only and are not to be considered in construing or interpreting this Warrant. 

  
 7 

 15. Notices. All notices and other communications given or made pursuant hereto shall be
in writing and shall be deemed effectively given: (a) upon personal delivery to the party to be notified, (b) when sent by electronic mail if also confirmed by facsimile sent during normal business hours of the recipient, effective as of
the delivery of the facsimile; if not sent via facsimile during normal business hours, then on the next business day, (c) five (5) days after having been sent by registered or 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 respective parties at the following addresses (or at
such other addresses as shall be specified by notice given in accordance with this Section 15): 
 If to the Company: 

HORTONWORKS, INC. 
 455
West Maude Avenue, Suite 200 
 Sunnyvale, California 94085 

Attention: President 
 If to
Holder: 
 YAHOO! INC. 

701 First Avenue 
 Sunnyvale,
California 94089 
 Attention: Chief Financial Officer 

16. Expenses. Subject to Section 6.15 of the Purchase Agreement, if any action at law or in equity is necessary to enforce or
interpret the terms of this Warrant, the prevailing party shall be entitled to reasonable attorneys’ fees, costs and necessary disbursements in addition to any other relief to which such party may be entitled. 

17. Entire Agreement; Amendments and Waivers. This Warrant and any other documents delivered pursuant hereto constitute the full and
entire understanding and agreement between the parties with regard to the subjects hereof and thereof. Nonetheless, any term of this Warrant may be amended and the observance of any term of this Agreement may be waived (either generally or in a
particular instance and either retroactively or prospectively), with the written consent of the Company and the Holder. 
 18.
Severability. If any provision of this Warrant is held to be unenforceable under applicable law, such provision shall be excluded from this Warrant and the balance of the Warrant shall be interpreted as if such provision were so excluded and
shall be enforceable in accordance with its terms. 

  
 8 

 IN WITNESS WHEREOF, the parties have executed this Warrant as of the date first written above.

  

			
	 HORTONWORKS, INC.

		
	 By:
	 	 /s/ Rob Bearden

 
			
	 Name:
	 	 Rob Bearden

 
			
	 Title:
	 	 President

 

			
	ACKNOWLEDGED AND AGREED:
	
	YAHOO! INC.
		
	 By:
	 	 /s/ Timothy R. Morse

		 	Timothy R. Morse
		 	Chief Financial Officer

 Exhibit A 

Commercial Agreement 
 [See
Exhibit 10.7 to the Registration Statement] 

 NOTICE OF EXERCISE 

HORTONWORKS, INC. 
 Attention: Corporate Secretary 

The undersigned hereby elects to purchase, pursuant to the provisions of the Warrant, as follows: 

 

	 	 ̈	 	             shares of Series A Preferred Stock pursuant to the terms of the attached Warrant, and tenders herewith payment in cash of the Exercise
Price of such Shares in full, together with all applicable transfer taxes, if any. 

  

	 	 ̈	 	Net Exercise the attached Warrant with respect to             Shares. 

The undersigned hereby represents and warrants that Representations and Warranties in Section 3 of that certain Series A Preferred Stock
Purchase Agreement dated as of June 21, 2011 by and between the Company and the investors set forth therein are true and correct as of the date hereof. 
  

											
		 		 		 		 	HOLDER:
						
	Date:	 	  
	 		 		 	By:    	 	  

					
		 		 		 	Address:    	 	  

		 		 		 		 	  

		 		 		 		 	  

			
	Name in which shares should be registered:

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