EX-10.6




 Exhibit 10.6 

SPONSOR WARRANTS PURCHASE AGREEMENT 

THIS SPONSOR WARRANTS PURCHASE AGREEMENT, dated as of January 4, 2017 (as it may from time to time be amended and including all exhibits
referenced herein, this “Agreement”), is entered into by and between Kayne Anderson Acquisition Corp., a Delaware corporation (the “Company”), and Kayne Anderson Sponsor, LLC, a Delaware limited liability company
(the “Purchaser”). 
 The Company intends to consummate a public offering of the Company’s units (the “Public
Offering”), each unit consisting of one share of the Company’s Class A common stock, par value $0.0001 per share (a “Share”), and one-third of one warrant. Each whole
warrant entitles the holder to purchase one Share at an exercise price of $11.50 per Share. The Purchaser has agreed to purchase an aggregate of 6,000,000 warrants (or up to 6,700,000 warrants if the over-allotment option in connection with the
Public Offering is exercised in full) (the “Sponsor Warrants”), each Sponsor Warrant entitling the holder to purchase one Share at an exercise price of $11.50 per Share. 

NOW THEREFORE, in consideration of the mutual promises contained in this Agreement and other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties to this Agreement hereby, intending legally to be bound, agree as follows: 
 AGREEMENT 

Section 1. Authorization, Purchase and Sale; Terms of the Sponsor Warrants. 

A. Authorization of the Sponsor Warrants. The Company has duly authorized the issuance and sale of the Sponsor Warrants to the
Purchaser. 
 B. Purchase and Sale of the Sponsor Warrants. 

(i) As payment in full for the 6,000,000 Sponsor Warrants being purchased under this Agreement, Purchaser shall pay $9,000,000 (the
“Purchase Price”), by wire transfer of immediately available funds or by such other method as may be reasonably acceptable to the Company, to the trust account (the “Trust Account”) at a financial institution to be
chosen by the Company, maintained by American Stock Transfer & Trust Company, acting as trustee, or into an escrow account maintained by Ellenoff Grossman & Schole LLP (“EG&S”), counsel for the Company,
at least one (1) business day prior to the date of effectiveness of the registration statement to be filed in connection with the Public Offering (the “Registration Statement”). 

(ii) In the event that the over-allotment option is exercised in full or in part, Purchaser shall purchase up to an additional 700,000 Sponsor
Warrants (the “Additional Sponsor Warrants”), in the same proportion as the amount of the over-allotment option that is exercised, and simultaneously with such purchase of Additional Sponsor Warrants, as payment in full for the
Additional Sponsor Warrants being purchased hereunder, and at least one (1) business day prior to the closing of all or any portion of the over-allotment option, Purchaser shall pay $1.50 per Additional Sponsor Warrant, up to an aggregate
amount of $1,050,000, by wire transfer of immediately available funds or by such other method as may be reasonably acceptable to the Company, to the Trust Account. 

(iii) The closing of the purchase and sale of the Sponsor Warrants shall take place simultaneously with the closing of the Public Offering
(the “Initial Closing Date”). The closing of the purchase and sale of the Additional Sponsor Warrants, if applicable, shall take place simultaneously with the closing of all or any portion of the over-allotment option (such closing
date, together with the Initial Closing Date, “Closing Dates” and each, a “Closing Date”). The closing of the purchase and sale of each of the Sponsor Warrants and the Additional Sponsor Warrants shall take place at
the offices of EG&S, 1345 Avenue of the Americas, New York, New York, 10105, or such other place as may be agreed upon by the parties hereto. 

C. Terms of the Sponsor Warrants. 

(i) The Sponsor Warrants shall have their terms set forth in a Warrant Agreement to be entered into by the Company and a warrant agent, in
connection with the Public Offering (a “Warrant Agreement”). 








 (ii) At or prior to the time of the Initial Closing Date, the Company and the Purchaser shall
enter into a registration rights agreement (the “Registration Rights Agreement”) pursuant to which the Company will grant certain registration rights to the Purchaser relating to the Sponsor Warrants and the Shares underlying the
Sponsor Warrants. 
 Section 2. Representations and Warranties of the Company. As a material inducement to the Purchaser to
enter into this Agreement and purchase the Sponsor Warrants, the Company hereby represents and warrants to the Purchaser (which representations and warranties shall survive the Closing Dates) that: 

A. Organization and Corporate Power. The Company is a corporation duly organized, validly existing and in good standing under the
laws of the State of Delaware and is qualified to do business in every jurisdiction in which the failure to so qualify would reasonably be expected to have a material adverse effect on the financial condition, operating results or assets of the
Company. The Company possesses all requisite corporate power and authority necessary to carry out the transactions contemplated by this Agreement and the Warrant Agreement. 

B. Authorization; No Breach. 

(i) The execution, delivery and performance of this Agreement and the Sponsor Warrants have been duly authorized by the Company as of the
Closing Dates. This Agreement constitutes the valid and binding obligation of the Company, enforceable in accordance with its terms. Upon issuance in accordance with, and payment pursuant to, the terms of the Warrant Agreement and this Agreement,
the Sponsor Warrants will constitute valid and binding obligations of the Company, enforceable in accordance with their terms as of the Closing Dates. 

(ii) The execution and delivery by the Company of this Agreement and the Sponsor Warrants, the issuance and sale of the Sponsor Warrants, the
issuance of the Shares upon exercise of the Sponsor Warrants and the fulfillment of, and compliance with, the respective terms hereof and thereof by the Company, do not and will not as of the Closing Dates (a) conflict with or result in a
breach of the terms, conditions or provisions of, (b) constitute a default under, (c) result in the creation of any lien, security interest, charge or encumbrance upon the Company’s capital stock or assets under, (d) result in a
violation of, or (e) require any authorization, consent, approval, exemption or other action by or notice or declaration to, or filing with, any court or administrative or governmental body or agency pursuant to the certificate of incorporation
or the bylaws of the Company (in effect on the date hereof or as may be amended prior to completion of the contemplated Public Offering), or any material law, statute, rule or regulation to which the Company is subject, or any agreement, order,
judgment or decree to which the Company is subject, except for any filings required after the date hereof under federal or state securities laws. 

C. Title to Securities. Upon issuance in accordance with, and payment pursuant to, the terms hereof and the Warrant Agreement, the
Shares issuable upon exercise of the Sponsor Warrants will be duly and validly issued, fully paid and nonassessable. Upon issuance in accordance with, and payment pursuant to, the terms hereof and the Warrant Agreement, the Purchaser will have good
title to the Sponsor Warrants and the Shares issuable upon exercise of such Sponsor Warrants, free and clear of all liens, claims and encumbrances of any kind, other than (i) transfer restrictions hereunder and under the other agreements
contemplated hereby, (ii) transfer restrictions under federal and state securities laws, and (iii) liens, claims or encumbrances imposed due to the actions of the Purchaser. 

D. Governmental Consents. No permit, consent, approval or authorization of, or declaration to or filing with, any governmental
authority is required in connection with the execution, delivery and performance by the Company of this Agreement or the consummation by the Company of any other transactions contemplated hereby. 

Section 3. Representations and Warranties of the Purchaser. As a material inducement to the Company to enter into this
Agreement and issue and sell the Sponsor Warrants to the Purchaser, the Purchaser hereby represents and warrants to the Company (which representations and warranties shall survive the Closing Dates) that: 

A. Organization and Requisite Authority. The Purchaser possesses all requisite power and authority necessary to carry out the
transactions contemplated by this Agreement. 
 B. Authorization; No Breach. 








 (i) This Agreement constitutes a valid and binding obligation of the Purchaser, enforceable in
accordance with its terms, subject to bankruptcy, insolvency, fraudulent conveyance, reorganization, moratorium and other laws of general applicability relating to or affecting creditors’ rights and to general equitable principles (whether
considered in a proceeding in equity or law). 
 (ii) The execution and delivery by the Purchaser of this Agreement and the fulfillment of
and compliance with the terms hereof by the Purchaser does not and shall not as of the Closing Dates conflict with or result in a breach by the Purchaser of the terms, conditions or provisions of any agreement, instrument, order, judgment or decree
to which the Purchaser is subject. 
 C. Investment Representations. 

(i) The Purchaser is acquiring the Sponsor Warrants and, upon exercise of the Sponsor Warrants, the Shares issuable upon such exercise
(collectively, the “Securities”), for the Purchaser’s own account, for investment purposes only and not with a view towards, or for resale in connection with, any public sale or distribution thereof. 

(ii) The Purchaser is an “accredited investor” as such term is defined in Rule 501(a)(3) of Regulation D. 

(iii) The Purchaser understands that the Securities are being offered and will be sold to it in reliance on specific exemptions from the
registration requirements of the United States federal and state securities laws and that the Company is relying upon the truth and accuracy of, and the Purchaser’s compliance with, the representations and warranties of the Purchaser set forth
herein in order to determine the availability of such exemptions and the eligibility of the Purchaser to acquire such Securities. 
 (iv)
The Purchaser did not enter into this Agreement as a result of any general solicitation or general advertising within the meaning of Rule 502(c) under the Securities Act of 1933, as amended (the “Securities Act”). 

(v) The Purchaser has been furnished with all materials relating to the business, finances and operations of the Company and materials
relating to the offer and sale of the Securities which have been requested by the Purchaser. The Purchaser has been afforded the opportunity to ask questions of the executive officers and directors of the Company. The Purchaser understands that its
investment in the Securities involves a high degree of risk and it has sought such accounting, legal and tax advice as it has considered necessary to make an informed investment decision with respect to the acquisition of the Securities. 

(vi) The Purchaser understands that no United States federal or state agency or any other government or governmental agency has passed on or
made any recommendation or endorsement of the Securities or the fairness or suitability of the investment in the Securities by the Purchaser nor have such authorities passed upon or endorsed the merits of the offering of the Securities. 

(vii) The Purchaser understands that: (a) the Securities have not been and are not being registered under the Securities Act or any state
securities laws, and may not be offered for sale, sold, assigned or transferred unless (1) subsequently registered thereunder or (2) sold in reliance on an exemption therefrom; and (b) except as specifically set forth in the
Registration Rights Agreement, neither the Company nor any other person is under any obligation to register the Securities under the Securities Act or any state securities laws or to comply with the terms and conditions of any exemption thereunder.
In this regard, the Purchaser understands that the Securities and Exchange Commission has taken the position that promoters or affiliates of a blank check company and their transferees, both before and after an initial business combination, are
deemed to be “underwriters” under the Securities Act when reselling the securities of a blank check company. Based on that position, Rule 144 adopted pursuant to the Securities Act would not be available for resale transactions of the
Securities despite technical compliance with the certain requirements of such Rule, and the Securities can be resold only through a registered offering or in reliance upon another exemption from the registration requirements of the Securities Act.

 (viii) The Purchaser has such knowledge and experience in financial and business matters, knowledge of the high degree of risk associated
with investments in the securities of companies in the development stage such as the Company, is capable of evaluating the merits and risks of an investment in the Securities and is able to bear the 









 
economic risk of an investment in the Securities in the amount contemplated hereunder for an indefinite period of time. The Purchaser has adequate means of providing for its current financial
needs and contingencies and will have no current or anticipated future needs for liquidity which would be jeopardized by the investment in the Securities. The Purchaser can afford a complete loss of its investments in the Securities. 

Section 4. Conditions of the Purchaser’s Obligations. The obligations of the Purchaser to purchase and pay
for the Sponsor Warrants are subject to the fulfillment, on or before the Closing Dates, of each of the following conditions: 

A. Representations and Warranties. The representations and warranties of the Company contained in Section 2 shall be true and
correct at and as of the Closing Dates as though then made. 
 B. Performance. The Company shall have performed and complied
with all agreements, obligations and conditions contained in this Agreement that are required to be performed or complied with by it on or before the Closing Dates. 

C. No Injunction. No litigation, statute, rule, regulation, executive order, decree, ruling or injunction shall have been enacted,
entered, promulgated or endorsed by or in any court or governmental authority of competent jurisdiction or any self-regulatory organization having authority over the matters contemplated hereby, which prohibits the consummation of any of the
transactions contemplated by this Agreement or the Warrant Agreement. 
 D. Warrant and Registration Rights Agreements. The
Company shall have entered into a Warrant Agreement with a warrant agent and the Registration Rights Agreements, each on terms satisfactory to the Purchaser. 

Section 5. Conditions of the Company’s Obligations. The obligations of the Company to the Purchaser under
this Agreement are subject to the fulfillment, on or before the Closing Dates, of each of the following conditions: 

A. Representations and Warranties. The representations and warranties of the Purchaser contained in Section 3 shall be true
and correct at and as of the Closing Dates as though then made. 
 B. Performance. The Purchaser shall have performed and
complied with all agreements, obligations and conditions contained in this Agreement that are required to be performed or complied with by the Purchaser on or before the Closing Dates. 

C. No Injunction. No litigation, statute, rule, regulation, executive order, decree, ruling or injunction shall have been enacted,
entered, promulgated or endorsed by or in any court or governmental authority of competent jurisdiction or any self-regulatory organization having authority over the matters contemplated hereby, which prohibits the consummation of any of the
transactions contemplated by this Agreement or the Warrant Agreement. 
 D. Warrant Agreement. The Company shall have entered
into a Warrant Agreement with a warrant agent on terms satisfactory to the Company. 
 Section 6.
Termination. This Agreement may be terminated at any time after June 30, 2017 upon the election by either the Company or a Purchaser entitled to purchase a majority of the Sponsor Warrants upon written notice to the other parties if
the closing of the Public Offering does not occur prior to such date. 
 Section 7. Survival of Representations and
Warranties. All of the representations and warranties contained herein shall survive the Closing Dates. 

Section 8. Definitions. Terms used but not otherwise defined in this Agreement shall have the meaning assigned
to such terms in the registration statement on Form S-1 the Company plans to file with the Securities and Exchange Commission, under the Securities Act. 

Section 9. Miscellaneous. 








 A. Successors and Assigns. Except as otherwise expressly provided herein, all
covenants and agreements contained in this Agreement by or on behalf of any of the parties hereto shall bind and inure to the benefit of the respective successors of the parties hereto whether so expressed or not. Notwithstanding the foregoing or
anything to the contrary herein, the parties may not assign this Agreement, other than assignments by the Purchaser to affiliates thereof. 

B. 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 is 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 this Agreement. 
 C. Counterparts. This Agreement may be executed simultaneously in two or more counterparts, none
of which need contain the signatures of more than one party, but all such counterparts taken together shall constitute one and the same agreement. 

D. Descriptive Headings; Interpretation. The descriptive headings of this Agreement are inserted for convenience only and do not
constitute a substantive part of this Agreement. The use of the word “including” in this Agreement shall be by way of example rather than by limitation. 

E. Governing Law. This Agreement shall be deemed to be a contract made under the laws of the State of Delaware and for all
purposes shall be construed in accordance with the internal laws of the State of Delaware. 
 F. Amendments. This letter
agreement may not be amended, modified or waived as to any particular provision, except by a written instrument executed by all parties hereto. 

[Signature page follows] 








 IN WITNESS WHEREOF, the parties hereto have executed this Agreement to be effective as of
the date first set forth above. 
  

			
	 COMPANY:

	
	 KAYNE ANDERSON ACQUISITION CORP.




 
			
		
	 By:
	 	 /s/ Terry A. Hart





			
	 Name:
	 	Terry A. Hart


 
			
	 Title:
	 	CFO


 
			
	
	
PURCHASER:



 
			
	
	 KAYNE ANDERSON SPONSOR, LLC

	 By: Kayne Anderson Capital Advisors,
L.P.



 
			
		
	 By:
	 	 /s/ David Shladovsky





			
	 Name:
	 	David Shladovsky


 
			
	 Title:
	 	General Counsel


 [Signature Page to Sponsor Warrant Purchase Agreement]