Document:

Warrant to Purchase Common Stock (Westriver Mezzanine Loans, LLC)

 Exhibit 4.6 
 THIS WARRANT AND THE SHARES ISSUABLE HEREUNDER HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR THE SECURITIES LAWS OF ANY STATE AND, EXCEPT AS
SET FORTH IN SECTIONS 5.3 AND 5.4 BELOW, MAY NOT BE OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED UNLESS AND UNTIL REGISTERED UNDER SAID ACT AND LAWS OR, IN THE OPINION OF LEGAL COUNSEL IN FORM AND SUBSTANCE SATISFACTORY TO THE COMPANY, SUCH
OFFER, SALE, PLEDGE OR OTHER TRANSFER IS EXEMPT FROM SUCH REGISTRATION. 
 WARRANT TO PURCHASE STOCK 

Company: Mavenir Systems, Inc., a Delaware corporation 
 Number of Shares: 450,000, subject to adjustment in accordance with the provisions hereof 

Type/Series of Stock: Common Stock, $0.001 par value per share 
 Warrant Price: $0.73 per Share, subject to adjustment in accordance with the provisions hereof 
 Issue Date: October 18, 2012 
 Expiration Date: As set forth in Section 5.1
below 
 Credit Facility: This Warrant to Purchase Stock (“Warrant”) is issued in connection with that
certain Subordinated Loan and Security Agreement of even date herewith among Silicon Valley Bank, the Company and Mavenir Holdings, Inc. (as amended and/or modified and in effect from time to time, the “Loan Agreement”) and
the participation therein of WestRiver Mezzanine Loans, LLC pursuant to an arrangement among Silicon Valley Bank, WestRiver Management, LLC and WestRiver Mezzanine Loans, LLC. 
 THIS WARRANT CERTIFIES THAT, for good and valuable consideration, WESTRIVER MEZZANINE LOANS, LLC (together with any successor or permitted assignee or transferee of this Warrant or of any shares issued
upon exercise hereof, “Holder”) is entitled to purchase the number of fully paid and non-assessable shares (the “Shares”) of the above-stated Type/Series of Stock (the “Class”)
of the above-named company (the “Company”) at the above-stated Warrant Price, all as set forth above and as adjusted pursuant to Section 2 of this Warrant, subject to the provisions and upon the terms and conditions set
forth in this Warrant. 
 SECTION 1. EXERCISE. 
 1.1 Method of Exercise. Holder may at any time and from time to time through the Expiration Date exercise this Warrant, in whole or in part, by delivering to the Company the original of this
Warrant together with a duly executed Notice of Exercise in substantially the form attached hereto as Appendix 1 and, unless Holder is exercising this Warrant pursuant to a cashless exercise set forth in Section 1.2, a check, wire transfer of
same-day funds (to an account designated by the Company), or other form of payment acceptable to the Company for the aggregate Warrant Price for the Shares being purchased. 
 1.2 Cashless Exercise. On any exercise of this Warrant, in lieu of payment of the aggregate Warrant Price in the manner as specified in Section 1.1 above, but otherwise in accordance with the
requirements of Section 1.1, Holder may elect to receive, and the Company shall issue to the Holder, such number of fully paid and non-assessable Shares as are 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 with respect to which this Warrant is being exercised (inclusive of the Shares surrendered to the Company in payment of the aggregate Warrant
Price); 

  

	 	A =	the Fair Market Value (as determined pursuant to Section 1.3 below) of one Share; and 

 

	 	B =	the Warrant Price. 

 1.3 Fair
Market Value. If shares of the Class are then traded or quoted on a nationally recognized securities exchange, inter-dealer quotation system or over-the-counter market (a “Trading Market”), the fair market value of a
Share shall be the closing price or last sale price of a share of the Class reported for the Business Day immediately before the date on which Holder delivers this Warrant together with its Notice of Exercise to the Company. If shares of the Class
are not then traded in a Trading Market, the Board of Directors of the Company shall determine the fair market value of a Share in its reasonable good faith judgment. 
 1.4 Delivery of Certificate and New Warrant. Within a reasonable time after Holder exercises this Warrant in the manner set forth in Section 1.1 or 1.2 above, the Company shall deliver to
Holder a certificate representing the Shares issued to Holder upon such exercise and, if this Warrant has not been fully exercised and has not expired, a new warrant of like tenor representing the Shares not so acquired. 

1.5 Replacement of Warrant. On receipt of evidence reasonably satisfactory to the Company of the loss, theft, destruction or
mutilation of this Warrant and, in the case of loss, theft or destruction, on delivery of an indemnity agreement reasonably satisfactory in form, substance and amount to the Company or, in the case of mutilation, on surrender of this Warrant to the
Company for cancellation, the Company shall, within a reasonable time, execute and deliver to Holder, in lieu of this Warrant, a new warrant of like tenor and amount. 
 1.6 Treatment of Warrant Upon Acquisition of Company. 
 (a)
Acquisition. For the purpose of this Warrant, “Acquisition” means any transaction or series of related transactions involving: (i) the sale, lease, exclusive license, or other disposition of all or substantially
all of the assets of the Company (ii) any merger or consolidation of the Company into or with another person or entity (other than a merger or consolidation effected exclusively to change the Company’s domicile), or any other corporate
reorganization, in which the stockholders of the Company in their capacity as such immediately prior to such merger, consolidation or reorganization, own less than a majority of the Company’s (or the surviving or successor entity’s)
outstanding voting power immediately after such merger, consolidation or reorganization (or, if such Company stockholders beneficially own a majority of the outstanding voting power of the surviving or successor entity as of immediately after such
merger, consolidation or reorganization, such surviving or successor entity is not the Company); or (iii) any sale or other transfer by the stockholders of the Company, in a single transaction or series of related transactions, of shares
representing at least a majority of the Company’s then-total outstanding combined voting power. 

  
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 (b) Treatment of Warrant on Cash/Public Acquisition. In the event of an Acquisition
in which the consideration to be received by the Company’s stockholders consists solely of cash, solely of Marketable Securities or a combination of cash and Marketable Securities (a “Cash/Public Acquisition”), either
(i) Holder shall exercise this Warrant pursuant to Section 1.1 and/or 1.2 and such exercise will be deemed effective immediately prior to and contingent upon the consummation of such Acquisition or (ii) if Holder elects not to
exercise the Warrant, this Warrant will expire immediately prior to the consummation of such Acquisition. 
 (c) The Company
shall provide Holder with written notice of its intention to consummate a the Cash/Public Acquisition (together with such reasonable information as Holder may reasonably require regarding the treatment of this Warrant in connection with such
contemplated Cash/Public Acquisition giving rise to such notice), which is to be delivered to Holder not less than seven (7) Business Days prior to the closing of the proposed Cash/Public Acquisition. In the event the Company does not provide
such notice, then if, immediately prior to the Cash/Public Acquisition, the fair market value of one Share (or other security issuable upon the exercise hereof) as determined in accordance with Section 1.3 above would be greater than the
Warrant Price in effect on such date, then this Warrant shall automatically be deemed on and as of such date to be exercised pursuant to Section 1.2 above as to all Shares (or such other securities) for which it shall not previously have been
exercised, and the Company shall promptly notify the Holder of the number of Shares (or such other securities) issued upon such exercise to the Holder and Holder shall be deemed to have restated each of the representations and warranties in
Section 4 of the Warrant as the date thereof. 
 (d) Upon the closing of any Acquisition other than a Cash/Public
Acquisition, the acquiring, surviving or successor entity shall assume the obligations of this Warrant, and this Warrant shall thereafter be exercisable for the same securities and/or other property as would have been paid for the Shares issuable
upon exercise of the unexercised portion of this Warrant as if such Shares were outstanding on and as of the closing of such Acquisition, subject to further adjustment from time to time in accordance with the provisions of this Warrant. 

(e) As used in this Warrant, “Marketable Securities” means securities meeting all of the following requirements
(determined as of immediately prior to the closing of the Acquisition): (i) the issuer thereof is then subject to the reporting requirements of Section 13 or Section 15(d) of the Securities Exchange Act of 1934, as amended (the
“Exchange Act”), and is then current in its filing of all required reports and other information under the Act and the Exchange Act; (ii) the class and series of shares or other security of the issuer that would be
received by Holder in connection with the Acquisition were Holder to exercise this Warrant on or prior to the closing thereof is then traded in Trading Market, and (iii) Holder would be able to publicly re-sell, within six (6) months and
one day following the closing of such Acquisition, all of the issuer’s shares and/or other securities that would be received by Holder in such Acquisition were Holder to exercise this Warrant in full on or prior to the closing of such
Acquisition. 
 SECTION 2. ADJUSTMENTS TO THE SHARES AND WARRANT PRICE. 

2.1 Stock Dividends, Splits, Etc. If the Company declares or pays a dividend or distribution on the outstanding shares of the
Class payable in additional shares of the Class or other securities or property (other than cash), then upon exercise of this Warrant, for each Share acquired, 

  
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Holder shall receive, without additional cost to Holder, the total number and kind of securities and property which Holder would have received had Holder owned the Shares of record as of the date
the dividend or distribution occurred. If the Company subdivides the outstanding shares of the Class by reclassification or otherwise into a greater number of shares, the number of Shares purchasable hereunder shall be proportionately increased and
the Warrant Price shall be proportionately decreased. If the outstanding shares of the Class are combined or consolidated, by reclassification or otherwise, into a lesser number of shares, the Warrant Price shall be proportionately increased and the
number of Shares shall be proportionately decreased. 
 2.2 Reclassification, Exchange, Combinations or Substitution.
Upon any event whereby all of the outstanding shares of the Class are reclassified, exchanged, combined, substituted, or replaced for, into, with or by Company securities of a different class and/or series, then from and after the consummation of
such event, this Warrant will be exercisable for the number, class and series of Company securities that Holder would have received had the Shares been outstanding on and as of the consummation of such event, and subject to further adjustment
thereafter from time to time in accordance with the provisions of this Warrant. The provisions of this Section 2.2 shall similarly apply to successive reclassifications, exchanges, combinations substitutions, replacements or other similar
events. 
 2.3 No Fractional Share. No fractional Share shall be issuable upon exercise of this Warrant and the number of
Shares to be issued shall be rounded down to the nearest whole Share. If a fractional Share interest arises upon any exercise of the Warrant, the Company shall eliminate such fractional Share interest by paying Holder in cash the amount computed by
multiplying the fractional interest by (i) the fair market value (as determined in accordance with Section 1.3 above) of a full Share, less (ii) the then-effective Warrant Price. 

2.4 Notice/Certificate as to Adjustments. Upon each adjustment of the Warrant Price, Class and/or number of Shares, the Company,
at the Company’s expense, shall notify Holder in writing within a reasonable time setting forth the adjustments to the Warrant Price, Class and/or number of Shares and facts upon which such adjustment is based. The Company shall, upon written
request from Holder, furnish Holder with a certificate of its Chief Financial Officer, including computations of such adjustment and the Warrant Price, Class and number of Shares in effect upon the date of such adjustment. 

SECTION 3. REPRESENTATIONS AND COVENANTS OF THE COMPANY. 
 3.1 Representations and Warranties. The Company represents and warrants to, and agrees with, the Holder as follows: 
 (a) The initial Warrant Price referenced on the first page of this Warrant is not greater than the fair market value of a share of the Class as determined by the most recently completed valuation of the
Company’s stock for purposes of its compliance with Section 409A of the Internal Revenue Code of 1986, as amended. 

(b) All Shares which may be issued upon the exercise of this Warrant shall, upon issuance, be duly authorized, validly issued, fully
paid and non-assessable, and free of any liens and encumbrances except for restrictions on transfer provided for herein or under applicable federal and state securities laws. The Company covenants that it shall at all times cause to be reserved and
kept available out of its authorized and unissued capital stock such number of shares of the Class and other securities as will be sufficient to permit the exercise in full of this Warrant. 

  
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 (c) The Company’s capitalization table attached hereto as Schedule 1 is true and
complete, in all material respects, as of the Issue Date. 
 3.2 Notice of Certain Events. If the Company proposes at any
time to: 
 (a) declare any dividend or distribution upon the outstanding shares of the Class, whether in cash, property, stock,
or other securities and whether or not a regular cash dividend; 
 (b) offer for subscription or sale pro rata to the holders
of the outstanding shares of the Class any additional shares of any class or series of the Company’s stock (other than pursuant to contractual pre-emptive rights); 
 (c) effect any reclassification, exchange, combination, substitution, reorganization or recapitalization of the outstanding shares of the Class; 

(d) effect an Acquisition or to liquidate, dissolve or wind up; or 

(e) effect its initial, underwritten offering and sale of its securities to the public pursuant to an effective registration statement
under the Act (the “IPO”); 
 then, in connection with each such event, the Company shall give Holder: 

(1) in the case of the matters referred to in (a) and (b) above, at least seven (7) Business Days prior
written notice of the earlier to occur of the effective date thereof or the date on which a record will be taken for such dividend, distribution, or subscription rights (and specifying the date on which the holders of outstanding shares of the Class
will be entitled thereto) or for determining rights to vote, if any; 
 (2) in the case of the matters referred
to in (c) and (d) above at least seven (7) Business Days prior written notice of the date when the same will take place (and specifying the date on which the holders of outstanding shares of the Class will be entitled to exchange
their shares for the securities or other property deliverable upon the occurrence of such event); and 
 (3) with
respect to the IPO, at least seven (7) Business Days prior written notice of the date on which the Company proposes to file its initial registration statement in connection therewith. 
 Reference is made to Section 1.6(c) whereby this Warrant will be deemed to be exercised pursuant to Section 1.2 hereof if the Company does not give written notice to Holder of a Cash/Public
Acquisition as required by the terms hereof. Company will also provide information requested by Holder that is reasonably necessary to enable Holder to comply with Holder’s accounting or reporting requirements. 

  
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 SECTION 4. REPRESENTATIONS, WARRANTIES AND COVENANTS OF THE HOLDER. 

The Holder represents and warrants to the Company as follows: 
 4.1 Purchase for Own Account. This Warrant and the Shares to be acquired upon exercise of this Warrant by Holder are being acquired for investment for Holder’s account, not as a nominee or
agent, and not with a view to the public resale or distribution within the meaning of the Act. Holder also represents that it has not been formed for the specific purpose of acquiring this Warrant or the Shares. Holder further represents that Holder
does not currently have any contract, undertaking, agreement or arrangement with any unaffiliated person to sell or transfer to such person or any unaffiliated third person any of this Warrant or the Shares issuable hereunder. 

4.2 Disclosure of Information. Holder is aware of the Company’s business affairs and financial condition and has received or
has had full access to all the information it considers necessary or appropriate to make an informed investment decision with respect to the acquisition of this Warrant and its underlying securities. Holder further has had an opportunity to ask
questions and receive answers from the Company regarding the terms and conditions of the offering of this Warrant and its underlying securities and to obtain additional information necessary to verify any information furnished to Holder or to which
Holder has access. 
 4.3 Investment Experience. Holder understands that the purchase of this Warrant and its underlying
securities involves substantial risk. Holder has experience as an investor in securities of companies in the development stage and acknowledges that Holder can bear the economic risk of such Holder’s investment in this Warrant and its
underlying securities and has such knowledge and experience in financial or business matters that Holder is capable of evaluating the merits and risks of its investment in this Warrant and its underlying securities (including a complete loss of
Holder’s investment) and/or has a preexisting personal or business relationship with the Company and certain of its officers, directors or controlling persons of a nature and duration that enables Holder to be aware of the character, business
acumen and financial circumstances of such persons. 
 4.4 Accredited Investor Status. Holder is an “accredited
investor” within the meaning of Regulation D promulgated under the Act. 
 4.5 The Act. Holder understands that this
Warrant and the Shares issuable upon exercise hereof have not been registered under the Act in reliance upon a specific exemption therefrom, which exemption depends upon, among other things, the bona fide nature of the Holder’s investment
intent and the accuracy of Holder’s representations and warranties as expressed herein. Holder understands that this Warrant and the Shares issued upon any exercise hereof must be held indefinitely unless subsequently registered under the Act
and qualified under applicable state securities laws, or unless exemption from such registration and qualification are otherwise available. Holder is aware of the provisions of Rule 144 promulgated under the Act. Holder acknowledges that if an
exemption from registration or qualification is available, it may be conditioned on various requirements including, but not limited to, the time and manner of sale, the holding period, and requirements relating to the Company which are outside of
the Holder’s control, and which the Company is under no obligation and may not reasonably be able to satisfy. 
 4.6
Market Stand-off Agreement. The Holder agrees that the Shares shall be subject to the Market Standoff provisions in Section 1.14 of the Company’s Amended and Restated Investors’ Rights Agreement dated as of May 26, 2011,
as such agreement may be amended or restated from time to time. 
 4.7 No Voting Rights. Holder, as a Holder of this
Warrant, will not have any voting rights until the exercise of this Warrant. 

  
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 SECTION 5. MISCELLANEOUS. 

5.1 Term; Automatic Cashless Exercise Upon Expiration. 

(a) Term. Subject to the provisions of Section 1.6 above, this Warrant is exercisable in whole or in part
at any time and from time to time on or before 6:00 PM, Pacific time, on the earliest to occur of (i) the tenth
(10th) anniversary of the Issue Date hereof, and
(ii) the date that is three (3) years following the effective date of the registration statement filed in connection with the IPO, and shall be void thereafter. 
 (b) Automatic Cashless Exercise upon Expiration. In the event that, upon the Expiration Date, the fair market value of one Share as determined in accordance with Section 1.3 above is greater
than the Warrant Price in effect on such date, then this Warrant shall automatically be deemed on and as of such date to be exercised pursuant to Section 1.2 above as to all Shares for which it shall not previously have been exercised, and the
Company shall, within a reasonable time, deliver a certificate representing the Shares issued upon such exercise to Holder. 

5.2 Legends. Each certificate evidencing Shares shall be imprinted with a legend in substantially the following form: 

THE SHARES EVIDENCED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE
“ACT”), OR THE SECURITIES LAWS OF ANY STATE AND, EXCEPT AS SET FORTH IN THAT CERTAIN WARRANT TO PURCHASE STOCK ISSUED BY THE ISSUER TO WESTRIVER MEZZANINE LOANS, LLC DATED SEPTEMBER     , 2012, MAY NOT BE
OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED UNLESS AND UNTIL REGISTERED UNDER SAID ACT AND LAWS OR, IN THE OPINION OF LEGAL COUNSEL IN FORM AND SUBSTANCE SATISFACTORY TO THE ISSUER, SUCH OFFER, SALE, PLEDGE OR OTHER TRANSFER IS EXEMPT FROM SUCH
REGISTRATION. 
 5.3 Compliance with Securities Laws on Transfer. This Warrant and the Shares issued upon exercise of
this Warrant may not be transferred or assigned in whole or in part except in compliance with applicable federal and state securities laws by the transferor and the transferee (including, without limitation, the delivery of investment representation
letters and legal opinions reasonably satisfactory to the Company, as reasonably requested by the Company). The Company shall not require Holder to provide an opinion of counsel if the transfer is to an affiliate of Holder, provided that such
affiliate is an “accredited investor” as defined in Regulation D promulgated under the Act. 
 5.4 Transfer Procedure.
Subject to the provisions of Section 5.3 and upon providing the Company with written notice, Holder may transfer all or part of this Warrant or the Shares issued upon exercise of this Warrant to any transferee, provided, however, in connection
with any such transfer, Holder will give the Company notice of the portion of the Warrant and/or Shares being transferred with the name, address and taxpayer identification number of the transferee and Holder will surrender this Warrant to the
Company for reissuance to the transferee(s) (and Holder if applicable); and provided further, that any transferee shall agree in writing with the Company to be bound by all of the terms and conditions of this Warrant. Notwithstanding any contrary
provision herein, at all times prior to the IPO, 

  
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Holder may not, without the Company’s prior written consent, transfer this Warrant or any portion hereof, or any Shares issued upon any exercise hereof, to any person or entity who directly
competes with the Company, except in connection with an Acquisition of the Company by such a direct competitor. 
 5.5 Notices. All notices and other communications hereunder from the Company to the Holder, or vice versa, shall be deemed delivered and effective (i) when given personally, (ii) on the
third (3rd) Business Day after being mailed by
first-class registered or certified mail, postage prepaid, (iii) upon actual receipt if given by facsimile or electronic mail and such receipt is confirmed in writing by the recipient, or (iv) on the first Business Day following delivery
to a reliable overnight courier service, courier fee prepaid, in any case at such address as may have been furnished to the Company or Holder, as the case may be, in writing by the Company or such Holder from time to time in accordance with the
provisions of this Section 5.5. All notices to Holder shall be addressed as follows until the Company receives notice of a change of address in connection with a transfer or otherwise: 

WestRiver Mezzanine Loans, LLC 
 c/o WestRiver Management, LLC 
 3720 Carillon Point 

Kirkland, Washington 98033-7455 
 Attention: Erik J. Anderson 
 Telephone: (425) 576-9850 

Email: eanderson@westrivercap.com 
 With a copy (which shall not constitute notice) to: 
 Perkins Coie LLP 

1201 Third Avenue, Suite 4800 
 Seattle, Washington 98101-3099 
 Attention: David C. Clarke 

Telephone: (206) 359-8612 
 Email: dclarke@perkinscoie.com 
 Notice to the Company shall be addressed as
follows until Holder receives notice of a change in address: 
 Mavenir Systems, Inc. 

1651 North Glenville Drive, Suite 216 
 Richardson, Texas 75081 
 Attn: Sam Garrett, General Counsel 

Fax: (469) 916-4397 
 Email: sam@mavenir.com 
 With a copy (which shall not constitute notice) to:

 Andrews Kurth LLP 
 111 Congress Avenue, Suite 1700 
 Austin, Texas 78701 

Attn: Alan D. Bickerstaff 
 Fax: (512) 542-5219 
 Email: abickerstaff@andrewskurth.com 

  
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 5.6 Waiver. This Warrant and any term hereof may be changed, waived, discharged or
terminated (either generally or in a particular instance and either retroactively or prospectively) only by an instrument in writing signed by the party against which enforcement of such change, waiver, discharge or termination is sought.

 5.7 Attorneys’ Fees. In the event of any dispute between the parties concerning the terms and provisions of this
Warrant, the party prevailing in such dispute shall be entitled to collect from the other party all costs incurred in such dispute, including reasonable attorneys’ fees. 
 5.8 Counterparts; Facsimile/Electronic Signatures. This Warrant may be executed in counterparts, all of which together shall constitute one and the same agreement. Any signature page delivered
electronically or by facsimile shall be binding to the same extent as an original signature page with regards to any agreement subject to the terms hereof or any amendment thereto. 

5.9 Governing Law. This Warrant shall be governed by and construed in accordance with the laws of the State of Delaware, without
giving effect to its principles regarding conflicts of law. 
 5.10 Headings. The headings in this Warrant are for
purposes of reference only and shall not limit or otherwise affect the meaning of any provision of this Warrant. 
 5.11
Business Days. “Business Day” is any day that is not a Saturday, Sunday or a day on which WestRiver Mezzanine Loans, LLC is closed. 
 [Remainder of page left blank intentionally] 
 [Signature page follows]

  
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 IN WITNESS WHEREOF, the parties have caused this Warrant to Purchase Stock to be executed by
their duly authorized representatives effective as of the Issue Date written above. 
  

			
	“COMPANY”
	
	 MAVENIR SYSTEMS, INC.

		
	 By:
	 	 /s/ Terry Hungle

	 Name:
	 	 Terry Hungle

		 	(Print)
	 Title:
	 	Chief Financial Officer

  

			
	“HOLDER”
	
	 WESTRIVER MEZZANINE LOANS, LLC

		
	 By:
	 	WestRiver Management, LLC, its
		 	Managing Member
		
	 By:
	 	 /s/ Erik J. Anderson

		 	Erik J. Anderson, Manager

  
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 APPENDIX 1 
 NOTICE OF EXERCISE 
 1. The undersigned Holder hereby exercises its right
to purchase             shares of the Common/Series             Preferred [circle one] Stock of
            (the “Company”) in accordance with the attached Warrant To Purchase Stock, and tenders payment of the aggregate Warrant Price for such shares as follows:

  

			
	 ̈	 	check in the amount of $            payable to order of the Company enclosed herewith
		
	 ̈	 	Wire transfer of immediately available funds to the Company’s account
		
	 ̈	 	Cashless Exercise pursuant to Section 1.2 of the Warrant
		
	 ̈	 	Other [Describe]                     

 2. Please issue a certificate or certificates representing the Shares in the name specified below:

  

							
		  	 	  		  	
		  	Holder’s Name	  		  	
				
		  	 	  		  	
				
		  	 	  		  	
		  	(Address)	  		  	

 3. By its execution below and for the benefit of the Company, Holder hereby restates each of the
representations and warranties in Section 4 of the Warrant to Purchase Stock as of the date hereof. 
  

			
	HOLDER:
	  

		
	By:	 	 
	Name:	 	 
	Title:	 	 
	(Date):	 	 

  
 Appendix 1Warrant to Purchase Common Stock (Community Foundation of North Texas)

 Exhibit 4.7 
 Issue Date: September 11, 2012 
 THE SECURITIES REPRESENTED BY THIS INSTRUMENT HAVE
NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR QUALIFIED UNDER APPLICABLE STATE SECURITIES LAWS AND MAY NOT BE SOLD, TRANSFERRED, ASSIGNED, PLEDGED OR HYPOTHECATED UNLESS AND UNTIL REGISTERED UNDER SUCH ACT AND QUALIFIED UNDER
APPLICABLE STATE SECURITIES LAWS, OR UNLESS THE CORPORATION HAS RECEIVED AN OPINION OF COUNSEL OR OTHER EVIDENCE, REASONABLY SATISFACTORY TO THE CORPORATION AND ITS COUNSEL, THAT SUCH REGISTRATION OR QUALIFICATION IS NOT REQUIRED. 

MAVENIR SYSTEMS, INC. 
 STOCK PURCHASE WARRANT 
 THIS
CERTIFIES that Communities Foundation of Texas (the “Holder”) is entitled, upon the terms and subject to the conditions hereinafter set forth, at any time on or after the date of this Warrant and on or prior to the fifth anniversary
hereof (the “Expiration Date”), to subscribe for and purchase, from Mavenir Systems, Inc., a Delaware corporation (the “Company”), 20,000 shares of Common Stock, $0.001 par value per share, (or other securities as
to which purchase rights under this Warrant exist) (the “Shares”) at an exercise price of $0.73 per share (the “Exercise Price”). The Exercise Price and the Shares purchasable hereunder are subject to adjustment as
set forth in Section 8. 
 1. Exercise of Warrant. 

(a) The purchase rights represented by this Warrant are exercisable by the Holder, in whole or in part, at any time after the
date hereof and before the close of business on the Expiration Date, by the surrender of this Warrant and the Notice of Exercise annexed hereto duly executed at the principal executive office of the Company (or such other office or agency of the
Company as it may designate by notice in writing to the Holder at the address of the Holder appearing on the books of the Company), and upon payment of the Exercise Price of the Shares thereby purchased (by cash or by check or bank draft payable to
the order of the Company); whereupon the Holder shall be entitled to receive a certificate for the number of Shares so purchased. The Company agrees that if at the time of the surrender of this Warrant and purchase of the Shares, the Holder shall be
entitled to exercise this Warrant, the Shares so purchased shall be and be deemed to be issued to the Holder as the record owner of such Shares as of the close of business on the date on which this Warrant shall have been exercised as aforesaid.

 (b) In lieu of exercising this Warrant by payment of cash or check pursuant to subsection (a) above, the Holder may
elect to receive Shares equal to the value of this Warrant (or the portion thereof being exercised), at any time after the date hereof and before the close of business on the Expiration Date, by surrender of this Warrant at the principal executive
office of the Company, together with the Notice of Conversion annexed hereto, in which event the Company will issue to the Holder Shares in accordance with the following formula: 

							
		 	X	  	=	  	Y(A-B)
		 		  		  	    A
	 	  	  	

  

											
		 		 	Where,	  	X	  	=	  	the number of Shares to be issued to Holder;
						
		 		 		  	Y	  	=	  	the number of Shares for which the Warrant is being exercised;
						
		 		 		  	A	  	=	  	the fair market value of one Share; and
						
		 		 		  	B	  	=	  	the Exercise Price.

 (i) For purposes of this subsection (b), the fair market value of a Share is defined as follows:

 (1) if the exercise is in connection with an initial public offering of the Common Stock, and if the Company’s
registration statement relating to such offering has been declared effective by the Securities and Exchange Commission, then the fair market value shall be the initial “Price to Public” specified in the final prospectus with respect to the
offering; 
 (2) if the exercise is in connection with a Change of Control (as defined below), then the fair market value shall
be the value received in such Change of Control by the holders of the securities as to which purchase rights under this Warrant exist; 
 (3) if the exercise occurs after, and not in connection with the Company’s initial public offering, and: 
 a) if traded on a securities exchange or the Nasdaq Stock Market, the value shall be deemed to be the average of the closing prices of the securities on such exchange or market over the thirty
(30) day period ending three (3) days prior to the date of the Notice of Conversion; or 
 b) if actively traded
over-the-counter, the value shall be deemed to be the average of the closing bid prices over the thirty (30) day period ending three (3) days prior to the date of the Notice of Conversion; 

(4) if there is no active public market, the value shall be the fair market value thereof, as determined in good faith by the
Company’s Board of Directors. 
 (ii) A “Change of Control” shall mean (x) the acquisition of the
Company by another entity by means of any transaction or series of related transactions (including, without limitation, any merger, consolidation or other form of reorganization in which outstanding shares of the Company are exchanged for securities
or other consideration issued, or caused to be issued, by the acquiring entity or its subsidiary, but excluding any transaction effected primarily for the purpose of changing the Company’s jurisdiction of incorporation), unless the
Company’s stockholders of record as constituted immediately prior to such transaction or series of related transactions will, immediately after such transaction or series of related transactions hold at least a majority of the voting power of
the surviving or acquiring entity or (y) a sale of all or substantially all of the assets of the Company. 

  
 - 2 -

 2. Nonassessable. The Company covenants that all Shares which may be issued upon the
exercise of rights represented by this Warrant will, upon exercise of the rights represented by this Warrant, be validly issued, fully paid and nonassessable and free from all taxes, liens and charges in respect of the issue thereof (other than
taxes in respect of any transfer occurring contemporaneously with such issue). Certificates for Shares purchased hereunder shall be delivered to the Holder within a reasonable time after the date on which this Warrant shall have been exercised as
aforesaid. 
 3. No Fractional Shares or Scrip. No fractional shares or scrip representing fractional shares shall be
issued upon the exercise of this Warrant. With respect to any fraction of a share called for upon the exercise of this Warrant, an amount equal to such fraction multiplied by the then current price at which each Share may be purchased hereunder
shall be paid in cash to the Holder. 
 4. Charges, Taxes and Expenses. Issuance of certificates for Shares upon the
exercise of this Warrant shall be made without charge to the Holder hereof for any issue or transfer tax or other incidental expense in respect of the issuance of such certificate, all of which taxes and expenses shall be paid by the Company, and
such certificates shall be issued in the name of the Holder. 
 5. No Rights as Stockholder. This Warrant does not
entitle the Holder to any voting rights or other rights as a stockholder of the Company prior to the exercise hereof. 
 6.
Loss, Theft, Destruction or Mutilation of Warrant. On receipt of evidence satisfactory to the Company of the loss, theft, destruction or mutilation of this Warrant and, in the case of loss, theft or destruction, on delivery of an indemnity
agreement satisfactory in form and substance to the Company or, in the case of mutilation, on surrender and cancellation of this Warrant, the Company at its expense shall execute and deliver, in lieu of this Warrant, a new warrant of like tenor and
amount. 
 7. Saturdays, Sundays, Holidays, etc. If the last or appointed day for the taking of any action or the
expiration of any right required or granted herein shall be a Saturday, a Sunday or a legal holiday, then such action may be taken or such right may be exercised on the next succeeding day not a Saturday, Sunday or legal holiday. 

8. Adjustments. The Exercise Price and the number of Shares purchasable hereunder are subject to adjustment from time to time as
set forth in this Section 8. 
 (a) Reclassification, etc. If the Company, at any time while this Warrant, or any
portion hereof, remains outstanding and unexpired by reclassification of securities or otherwise, shall change any of the securities as to which purchase rights under this Warrant exist into the same or a different number of securities or any other
class or classes, this Warrant shall thereafter represent the right to acquire such number and kind of securities as would have been issuable as the result of such change with respect to the securities that were subject to the purchase rights under
this Warrant immediately prior to such reclassification or other change and the Exercise Price therefor shall be appropriately adjusted, all subject to further adjustment as provided in this Section 8. 

  
 - 3 -

 (b) Subdivision or Combination of Shares. In the event that the Company shall at any
time subdivide the outstanding securities as to which purchase rights under this Warrant exist, or shall issue a stock dividend on the securities as to which purchase rights under this Warrant exist, the number of securities as to which purchase
rights under this Warrant exist immediately prior to such subdivision or to the issuance of such stock dividend shall be proportionately increased, and the Exercise Price shall be proportionately decreased, and in the event that the Company shall at
any time combine the outstanding securities as to which purchase rights under this Warrant exist, the number of securities as to which purchase rights under this Warrant exist immediately prior to such combination shall be proportionately decreased,
and the Exercise Price shall be proportionately increased, effective at the close of business on the date of such subdivision, stock dividend or combination, as the case may be. 

(c) Cash Distributions. No adjustment on account of cash dividends or interest on the securities as to which purchase rights under
this Warrant exist will be made to the Exercise Price under this Warrant. 
 9. Restrictions on Transferability of
Securities. 
 (a) Restrictions on Transferability. This Warrant and the Shares issuable upon exercise of this Warrant
(collectively the “Securities”) shall not be sold, assigned, transferred or pledged except upon the conditions specified in this Section 9. 
 (b) Restrictive Legend. Each certificate representing the Securities and any other securities issued in respect of the Securities upon any stock split, stock dividend, recapitalization, merger,
consolidation or similar event, shall (unless otherwise permitted by the provisions of Section 9(c)) be stamped or otherwise imprinted with a legend in the following form (in addition to any legend required under applicable state securities
laws): 
 THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED,
OR QUALIFIED UNDER APPLICABLE STATE SECURITIES LAWS AND MAY NOT BE SOLD, TRANSFERRED, ASSIGNED, PLEDGED OR HYPOTHECATED UNLESS AND UNTIL REGISTERED UNDER SUCH ACT AND QUALIFIED UNDER APPLICABLE STATE SECURITIES LAWS, OR UNLESS THE CORPORATION HAS
RECEIVED AN OPINION OF COUNSEL OR OTHER EVIDENCE, REASONABLY SATISFACTORY TO THE CORPORATION AND ITS COUNSEL, THAT SUCH REGISTRATION OR QUALIFICATION IS NOT REQUIRED. 
 Each holder of Securities and each subsequent transferee consents to the Company making a notation on its records and giving instructions to any transfer agent of the Securities in order to implement the
restrictions on transfer established in this Section 9. 

  
 - 4 -

 (c) Notice of Proposed Transfers. Each holder of a warrant or stock certificate, as
the case may be, representing the Securities, by acceptance thereof, agrees to comply in all respects with the provisions of this Section 9(c). Such holder agrees not to make any disposition of all or any portion of the Securities unless and
until (X) there is then in effect a registration statement under the Securities Act of 1933, as amended (the “Securities Act”) covering such proposed disposition and such disposition is made in accordance with such registration
statement or (Y) such holder shall have notified the Company of the proposed disposition and shall have furnished the Company with a detailed statement of the circumstances surrounding the proposed disposition, and if reasonably requested by
the Company, such holder shall have furnished the Company with an opinion of counsel, reasonably satisfactory to the Company that such disposition will not require registration of such shares under the Securities Act. 

10. Investment Representations and Covenants of the Holder. With respect to the acquisition of any of the Securities, the Holder
hereby represents and warrants to the Company as follows: 
 (a) Experience. The Holder is capable of evaluating the
merits and risks of its investment in the Company and has the capacity to protect its own interests. 
 (b) Investment.
The Holder is acquiring the Securities for investment for its own account, not as a nominee or agent, and not with the view to, or for resale in connection with, any distribution thereof. The Holder understands that the Securities have not been, and
will not be, registered under the Securities Act by reason of a specific exemption from the registration provisions of the Securities Act, the availability of which depends upon, among other things, the bona fide nature of the investment intent and
the accuracy of the Holder’s representations as expressed herein. 
 (c) Rule 144. The Holder acknowledges that
the Securities must be held indefinitely unless subsequently registered under the Securities Act, or unless an exemption from such registration is available. The Holder understands that the Company is not under any obligation to register any of the
Securities. The Holder is aware of the provisions of Rule 144 promulgated under the Securities Act that permit limited resale of securities purchased in a private placement subject to satisfaction of certain conditions. 

(d) Market Standoff. The 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 public offering and ending on the date specified by the Company and the managing underwriter (such period not to exceed one hundred eighty (l80)
calendar 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 securities of the Company, including (without limitation) shares of Common Stock or any securities convertible into or exercisable or exchangeable for Common Stock (whether now owned or hereafter acquired) 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 any securities of the Company, including (without limitation) shares of Common Stock or any securities convertible into or
exercisable or exchangeable for Common Stock (whether now owned or hereafter acquired), whether any such transaction described in clause (i) or (ii) above is to be settled by delivery of securities, in cash or otherwise. The Holder
agrees to execute an agreement(s) reflecting (i) and (ii) above as may be requested by the managing 

  
 - 5 -

 
underwriters at the time of the initial public offering, and further agrees that the Company may impose stop transfer instructions with its transfer agent in order to enforce the covenants in
(i) and (ii) above. The underwriters in connection with the Company’s initial public offering are intended third party beneficiaries of the covenants in this subsection and shall have the right, power and authority to enforce
such covenants as though they were a party hereto. 
 11. Early Termination. The purchase rights represented by this
Warrant shall terminate and be of no further force and effect upon the first to occur of (a) the closing of the Company’s first firm commitment underwritten public offering of its Common Stock or other securities pursuant to an effective
registration statement under the Securities Act or (b) the closing of a Change of Control. The Company shall will mail or cause to be mailed to the Holder a notice specifying the date on which either of the events specified in (a) or
(b) of this Section 11 is to take place at least five (5) days prior to the date therein specified. 
 12.
Notices. In the event (i) the Company shall take a record of the holders of the securities at the time receivable upon the exercise of this Warrant for the purpose of entitling them to receive any dividend or other distribution, or any
right to subscribe for or purchase any shares of stock of any class or any other securities, or to receive any other right, (ii) of any capital reorganization of the Company, (iii) of any reclassification of the capital stock of the
Company, (iv) of any Change of Control or (v) of any voluntary dissolution, liquidation or winding-up of the Company, then, and in each such case, the Company will mail or cause to be mailed to the Holder a notice specifying, as the case
may be, (A) the date on which a record is to be taken for the purpose of such dividend, distribution or right, and stating the amount and character of such dividend, distribution or right, or (B) the date on which such reorganization,
reclassification, Change of Control, dissolution, liquidation or winding-up is to take place, and the time, if any is to be fixed, as of which the holders of the securities at the time receivable upon the exercise of this Warrant shall be entitled
to exchange such securities for the securities or other property deliverable upon such reorganization, reclassification, Change of Control, dissolution, liquidation or winding-up. Such notice shall be mailed at least five (5) days prior to the
date therein specified. 
 13. Miscellaneous. 
 (a) Governing Law. THIS AGREEMENT SHALL BE GOVERNED IN ALL RESPECTS BY THE LAWS OF THE STATE OF DELAWARE AS SUCH LAWS ARE APPLIED TO AGREEMENTS BETWEEN DELAWARE RESIDENTS ENTERED INTO AND TO BE
PERFORMED ENTIRELY WITHIN DELAWARE, WITHOUT REGARD TO CONFLICT OF LAWS RULES. 
 (b) Restrictions. By acceptance hereof,
the Holder acknowledges that the Shares acquired upon the exercise of this Warrant may have restrictions upon its resale imposed by state and federal securities laws. 
 (c) Waivers and Amendments. This Warrant and any provisions hereof may be changed, waived, discharged or terminated only by an instrument in writing signed by the party against which enforcement of
the same is sought. 

  
 - 6 -

 (d) Assignment. This Warrant may be assigned or transferred by the Holder only with
the prior written approval of the Company. This Warrant shall be binding upon any successors or assigns of the Company. 
 (e)
Notices. All notices and other communications required or permitted hereunder shall be in writing and shall be delivered personally by hand or by courier, mailed by United States first-class mail, postage prepaid, sent by facsimile or sent by
electronic mail directed to the party to be notified at the address, facsimile number or electronic mail address indicated for such person on the signature page hereof, or at such other address, facsimile number or electronic mail address as such
party may designate by ten (10) days’ advance written notice to the other parties hereto. All such notices and other communications shall be deemed given upon personal delivery, on the date of mailing, upon confirmation of facsimile
transfer or when directed to the electronic mail address set forth on signature page hereof. With respect to any notice given by the Company under any provision of the Delaware General Corporation Law or the Company’s charter or bylaws, the
Holder agrees that such notice may given by facsimile or by electronic mail. 
 (f) Counterparts. This Warrant may be
executed in any number of counterparts, each of which shall be enforceable, and all of which together shall constitute one instrument. 

  
 - 7 -

 IN WITNESS WHEREOF, the Company has caused this Warrant to be executed by its officer
thereunto duly authorized. 
  

			
	MAVENIR SYSTEMS, INC.
		
	By:	 	/s/ Terry Hungle
	Its:	 	Chief Financial Officer
	
	Address:
	1651 N. Glenville Dr., Suite 201
	Richardson, Texas, 75081
	Facsimile #: 469.916.4397

 Communities Foundation of Texas hereby agrees and accepts this Warrant in accordance with its terms. 

 

			
	COMMUNITIES FOUNDATION OF TEXAS
		
	By:	 	/s/ Elizabeth W. Bull
		 	  

	Name:	 	 
	Title:	 	
		 	  

		
	Address:	 	5500 Caruth Haven Lane
		 	Dallas, Texas 75225
	
	Fax No.: (214) 750-4210

  
 - 8 -

 NOTICE OF EXERCISE 

 

	TO:	Mavenir Systems, Inc. 

 1651 N.
Glenville Dr., Suite 201 
 Richardson, Texas, 75081 
 Facsimile #: 469.916.4397 
 ATTN: Secretary 

1. The undersigned hereby elects to purchase             shares of the
            Stock (the “Shares”) of Mavenir Systems, Inc. pursuant to the terms of the attached Warrant, and tenders herewith payment of the purchase price in full.

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

							
		  	 	  		  	
		  	(Print Name)	  		  	
				
		  	Address:                            
             	  		  	
				
		  	 	  		  	

 3. The undersigned confirms that the Shares are being acquired for the account of the undersigned for
investment only and not with a view to, or for resale in connection with, the distribution thereof and that the undersigned has no present intention of distributing or selling the Shares. 

 

			
	  
	  	  

	(Date)	  	(Signature)
	  	  	  

		  	(Print Name)

 NOTICE OF CONVERSION 

 

	TO:	Mavenir Systems, Inc. 

 1651 N.
Glenville Dr., Suite 201 
 Richardson, Texas, 75081 
 Facsimile #: 469.916.4397 
 ATTN: Secretary 

1. The undersigned hereby elects to convert the attached Warrant into
            shares of the             Stock (the “Shares”) of Mavenir Systems, Inc. pursuant to
Section 1(b) of such Warrant, which conversion shall be effected pursuant to the terms of the attached Warrant. 
 2.
Please issue a certificate or certificates representing the Shares in the name of the undersigned or in such other name as is specified below: 
  

							
		  	 	  		  	
		  	(Print Name)	  		  	
				
		  	Address:                            
             	  		  	
				
		  	 	  		  	

 3. The undersigned represents that the Shares are being acquired for the account of the undersigned
for investment and not with a view to, or for resale in connection with, the distribution thereof and that the undersigned has no present intention of distributing or reselling such shares. 

 

			
	  
	  	  

	(Date)	  	(Signature)
	  	  	  

		  	(Print Name)

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