Document:

Warrant to purchase stock, dated June 29, 2004

 Exhibit 4.3 
 THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER EITHER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR APPLICABLE BLUE SKY LAWS, AND ARE SUBJECT TO CERTAIN INVESTMENT REPRESENTATIONS. THESE SECURITIES
MAY NOT BE SOLD, OFFERED FOR SALE OR TRANSFERRED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION UNDER THE ACT AND APPLICABLE BLUE SKY LAWS, OR AN OPINION OF COUNSEL SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED. 
 BIGBAND NETWORKS, INC. 
 WARRANT
TO PURCHASE  
 CLASS B NONVOTING COMMON STOCK 
  

					
	Warrant No. 1	  	June 29, 2004	  	

 THIS CERTIFIES THAT, ADC TELECOMMUNICATIONS, INC., a Minnesota corporation, or its registered
assigns (the “Holder”), having a mailing address at 13625 Technology Drive, Eden Prairie, MN 55344, is entitled to subscribe for and purchase from BIGBAND NETWORKS, INC., a Delaware corporation (the “Company”), at any time during
that period commencing on the date hereof (the “Date of Grant”), and ending at 4:00 p.m., California time, on the Exercise Date (as hereinafter defined), One Million Six Hundred Three Thousand and Two Hundred Ninety-eight
(1,603,298) fully paid and nonassessable shares (the “Warrant Shares”) of the Company’s Class B nonvoting common stock, par value $0.001 per share (the “Class B Common Stock”), at the purchase price of $1.0915 (the
“Exercise Price”). The number of Warrant Shares to be received upon the exercise of this Warrant to Purchase Class B Nonvoting Common Stock (the “Warrant”), and the per share Exercise Price to be paid for such Warrant Shares, may
be adjusted from time to time as hereinafter set forth. 
 This Warrant has been issued in connection with the issuance of Advances pursuant
to the terms of that certain Credit and Security Agreement, dated as of June 29, 2004, between the Company and ADC Telecommunications, Inc. (the “Credit Agreement”). All capitalized terms used herein and not otherwise defined shall
have the meanings given to such terms in the Credit Agreement. 
 This Warrant is subject to the following provisions, terms and conditions:

 1. Method of Exercise. At the option of the Holder, the Holder may exercise the Warrant by using either of the following methods:

 (a) Payment of Exercise Price in Cash. The Holder may exercise its right to purchase the Warrant Shares or any
permitted portion thereof, by surrendering this Warrant with the form of notice attached hereto duly executed by such Holder, to the Company at its principal office, accompanied by payment, in cash, by wire transfer to an account of the Company, or
by check payable to the order of the Company, of the aggregate Exercise Price payable in respect of the shares of the Class B Common Stock being purchased. 

 (b) Redemption By Net Exercise Price. The Holder may elect to receive, without the
payment by the Holder of any additional consideration, the Warrant Shares or any portion hereof by the surrender of this Warrant or such portion to the Company. Thereupon, the Company shall issue to the Holder such number of fully paid and
nonassessable Warrant Shares as is computed using the following formula: 
 X = Y (A-B) 
     A 
 where    X = the number of shares to be issued to the Holder pursuant to this Section l(b). 
 Y = the number of
shares covered by this Warrant in respect of which the net issue election is made pursuant to this Section l(b). 
 A = the fair market value
(“FMV”) of one share of Class B Common Stock, as determined below, as at the time the net issue election is made pursuant to this Section l(b). 
 B = the Exercise Price in effect under this Warrant at the time the net issue election is made pursuant to this Section l(b). 
 For the purposes of this Section l(b), FMV shall be determined at the time of exercise and shall mean (a) the mean between the reported high and low sale prices of the Class B Common Stock over the five trading
days immediately preceding the determination date if the Class B Common Stock is listed, admitted to unlisted trading privileges or reported on any foreign or national securities exchange or on the Nasdaq National Market or an equivalent foreign
market on which sale prices are reported; or (b) if the Class B Common Stock is not so listed, admitted to unlisted trading privileges or reported, the closing bid price over the five trading days immediately preceding the determination date as
reported by the Nasdaq SmallCap Market, OTC Bulletin Board or the National Quotation Bureau, Inc. or other comparable service; or (c) if the Class B Common Stock is not so listed or reported, a fair value as determined in good faith by the
Board of Directors of the Company. Notwithstanding the foregoing, no shares of Class B Common Stock shall be issuable upon exercise of this Warrant in accordance with the foregoing in the event that the FMV is less than the Exercise Price.

 (c) Partial Exercise under Sections l(a) and l(b). If any amount less than the remaining Warrant Shares is purchased
or redeemed pursuant to Section l(a)(l) or Section l(a)(2), respectively, the Company shall, upon such exercise, execute and deliver to the Holder hereof a new Warrant (dated the date hereof) evidencing the number of Warrant Shares remaining and not
yet so purchased or redeemed. As soon as practicable after the exercise of this Warrant and payment of the requisite Exercise Price or redemption by net exercise price, the Company will cause to be issued in the name of and delivered to the Holder
hereof, or as such Holder may direct, a certificate or certificates representing the number of Warrant Shares purchased upon exercise. 

 2. Term. The purchase right represented by this Warrant is exercisable, in whole or in part, at
any time and from time to time from the Date of Grant through the earlier of (i) five (5) years after the Date of Grant or (ii) three (3) years after the closing of the Company’s initial public offering of its common stock
(“IPO”) effected pursuant to a Registration Statement on Form S-l (or its successor) filed under the Securities Act of 1933, as amended (the “Act”) (such date being referred to as the “Exercise Date”). Upon request of
the Company, the holder of this Warrant agrees that in the event of a consolidation, merger or reorganization of the Corporation with or into, or a sale of all or substantially all of the Corporation’s assets, or substantially all of the
Corporation’s issued and outstanding share capital, to any other corporation, or any other entity or person, other than a sale of all or substantially all of the Corporation’s assets to or a merger with a wholly-owned subsidiary of the
Corporation, that either (y) the holder of this Warrant will exercise the purchase right under this Warrant (including, without limitation, by way of net issuance as provided in Section l(b) and such exercise will be deemed effective upon
completion of such sale or merger or (z) if the holder of this Warrant elects not to exercise the Warrant, this Warrant will expire upon completion of such sale or merger. The Company shall provide the Holder of this Warrant not less than 20
days’ prior written notice of the Company’s request that the holder exercise its purchase right hereunder in accordance with the provisions of Section 8. 
 3. Legend. The Company may require that any certificate or certificates representing ownership in the Warrant Shares issued hereunder contain on the face thereof a legend substantially as follows: 

“THE SECURITIES EVIDENCED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER EITHER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”),
OR APPLICABLE BLUE SKY LAWS, AND ARE SUBJECT TO CERTAIN INVESTMENT REPRESENTATIONS. THESE SECURITIES MAY NOT BE SOLD, OFFERED FOR SALE OR TRANSFERRED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION UNDER THE ACT AND SUCH APPLICABLE BLUE SKY LAWS, OR AN
OPINION OF COUNSEL SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED.” 
 “THE VOTING, SALE, PLEDGE, HYPOTHECATION
OR TRANSFER OF THE SECURITIES REPRESENTED BY THIS CERTIFICATE IS SUBJECT TO THE TERMS AND CONDITIONS OF A CERTAIN STOCKHOLDERS AGREEMENT BY AND BETWEEN THE STOCKHOLDER, THE COMPANY AND CERTAIN HOLDERS OF SHARES OF THE COMPANY’S CAPITAL STOCK.
COPIES OF SUCH AGREEMENT MAY BE OBTAINED UPON WRITTEN REQUEST TO THE SECRETARY OF THE COMPANY.” 
 4. Stock Fully Paid: Reservation
of the Warrant Shares. The Company covenants and agrees that this Warrant has been authorized by all necessary corporate action, that all of the Warrant Shares that may be issued upon the exercise of the rights represented by this Warrant will,
upon issuance, be fully paid and nonassessable and free from all liens. The Company covenants and agrees that, during the period within which the rights represented by this Warrant may be exercised, it shall reserve at least the number of shares of
Class B Common Stock 

 entitled to be purchased by the Holder upon exercise of the purchase rights evidenced by this Warrant. If a replacement
warrant is issued to the Holder, the Company covenants and agrees, that during the period within which the rights represented by the replacement warrant may be exercised, it shall reserve at least the number of shares of Class B Common Stock
entitled to be purchased by the Holder upon exercise of the purchase rights evidenced by the replacement warrant. 
 5. No Fractional
Shares or Scrip. No fractional shares or scrip representing fractional shares shall be issued upon the exercise of this Warrant. In lieu thereof, a cash payment shall be made equal to such fraction multiplied by the Exercise Price per share as
then in effect. 
 6. Negotiability and Transfer. This Warrant is issued upon the following terms, to which the Holder consents and
agrees: 
 (a) Title to this Warrant may be transferred in whole or in part only by endorsement (by the Holder hereof executing the form of
assignment attached hereto) and delivery in the same manner as in the case of a negotiable instrument transferable by endorsement and delivery; 
 (b) Until this Warrant is transferred on the books of the Company, the Company may treat the registered holder of this Warrant as absolute owner hereof for all purposes without being affected by any notice to the contrary; and 

(c) This Warrant may be sold or transferred only to an affiliate of the Holder provided that (i) such assignee is an accredited investor within
the meaning of the Act, (ii) the Holder has given prior written notice to the Company, and (iii) the Company is provided with an opinion of counsel reasonably acceptable to the Company as to the exempt status of the assignment under
federal and applicable state securities laws. 
 7. Adjustment of the Exercise Price and Number of the Class B Common Stock. The
number and kind of securities purchasable upon the exercise of this Warrant and the Exercise Price shall be subject to adjustment from time to time upon the occurrence of certain events as follows. 
 (a) Reclassification. In case of any reclassification or other change to the terms of the Class B Common Stock issuable upon the
exercise of this Warrant (other than a change in par value, or as a result of a subdivision or combination), the Company, as the case may be, shall execute and deliver to the Holder a new Warrant (in form and substance reasonably satisfactory to the
Holder) providing that the Holder shall have the right to exercise such new Warrant and upon such exercise to receive, in lieu of the shares of the Class B Common Stock theretofore issuable upon exercise of this Warrant, the kind and amount of
shares of stock, other securities, money and property receivable upon such reclassification had the Warrant been exercised immediately prior to such event. Such new Warrant shall provide for adjustments that shall be as nearly equivalent as may be
practicable to the adjustments provided for in this Section 6 to pursue the economic benefit intended to be conferred upon the Holder by this Warrant. The provisions of this Section 6(a) shall similarly apply to any successive
reclassification. 

 (b) Subdivisions or Combination of Shares. If the Company, at any time while this
Warrant remains outstanding and unexpired, shall subdivide or combine its Class B Common Stock or in the event of any dividend payable on the Class B Common Stock in shares of Class B Common Stock, the number of shares of Class B Common Stock
issuable upon exercise hereof shall be proportionately adjusted and the Exercise Price shall be increased or decreased, as the case may be, so that the aggregate Exercise Price of this Warrant shall at all times remain unchanged. 
 (c) Dividends. If the Company, at any time while this Warrant is outstanding and unexpired, shall pay a dividend in cash or
securities to the holders of the Class B Common Stock, then upon the exercise of this Warrant, the Holder shall be entitled to a proportionate share of any such dividend as if the Class B Common Stock purchased upon exercise hereof by such Holder
had been purchased and outstanding on the record date fixed for the determination of the holders of the Class B Common Stock entitled to receive such dividend. 
 (d) No Impairment. The Company will not, by amendment of its Certificate of Incorporation or through any reorganization,
recapitalization, transfer of assets, consolidation, merger, dissolution, issue or sale of securities or any other voluntary action, avoid or seek to avoid the observance or performance of any of the terms to be observed or performed hereunder by
the Company, but will at all times in good faith assist in carrying out of all the provisions of this Section 6 and in the taking of all such action as may be necessary or appropriate in order to protect the rights of the Holder as the holder
of this Warrant against impairment. 
 (e) Notices of Record Date. In the event of any taking by the Company of a
record of its stockholders for the purpose of determining stockholders who are entitled to receive payment of any dividend (other than a cash dividend) or other distribution, any right to subscribe for, purchase or otherwise acquire any share of any
class or any other securities or property, or to receive any other right, or for the purpose of determining stockholders who are entitled to vote in connection with any proposed merger or consolidation of the Company with or into any other
corporation, or any proposed sale, lease or conveyance of all of substantially all of the assets of the Company, or any proposed liquidation, dissolution or winding up of the Company, the Company shall mail to the Holder, as the holder of the
Warrant, at least ten (10) days prior to the date specified therein, a notice specifying the date on which any such record is to be taken for the purpose of such dividend, distribution or right, and the amount and character of such dividend,
distribution or right. 
 (f) Notice of Adjustments. Whenever the Exercise Price shall be adjusted pursuant to the
provisions hereof, the Company shall within thirty (30) days of such adjustment deliver a certificate signed by its chief financial officer to the Holder as the registered holder hereof setting forth, in reasonable detail, the event requiring
the adjustment, the amount of the adjustment, the method by which such adjustment was calculated, and the Exercise Price after giving effect to such adjustment. 

 8. Adjustment Upon Mandatory Conversion. In the event that the shares of Class B Common Stock
issuable to the holder hereof upon exercise of this Warrant would have been subject to a Mandatory Conversion in connection with an IPO, as set forth in ARTICLE IV Section A(5) of the Charter, if such shares of Class B Common Stock had been held by
the holder hereof at the time of such Mandatory Conversion, then, in such event, this Warrant shall become exercisable for such shares of Class A Common Stock of the Company as the holder hereof would have received if such holder had exercised
this Warrant prior to such Mandatory Conversion. 
 9. Notices, etc. All notices and other communications from the Company to the
Holder of this Warrant shall be mailed, by first class mail, to such address as may have been furnished to the Company in writing by such Holder, or, until an address is so furnished, to and at the address of the last holder of this Warrant who has
so furnished an address to the Company. All communications from the Holder of this Warrant to the Company shall be mailed by first class mail to the Company’s principal office, or such other address as may have been furnished to the holder in
writing by the Company. 
 10. Loss, Theft, Destruction or Mutilation of Warrant. Upon receipt by the Company of evidence reasonably
satisfactory to it of the loss, theft, destruction or mutilation of this Warrant, and in case of loss, theft, or destruction, of indemnity or security reasonably satisfactory to it, and upon reimbursement to the Company of all reasonable expenses
incidental thereto, and upon surrender and cancellation of this Warrant, if mutilated, the Company will make and delivery a new warrant of like tenor and dated as of such cancellation in lieu of this Warrant; provided, however, if any
Warrant of which the original holder, its nominee, or any of its partners or affiliates is the registered holder is lost, stolen or destroyed, the affidavit of the registered holder setting forth the circumstances with respect to such loss, theft or
destruction shall be accepted as satisfactory evidence thereof, and no indemnification bond or other security shall be required as a condition to the execution and delivery by the Company of a new Warrant in replacement of such lost, stolen or
destroyed Warrant other than the registered holder’s unsecured written agreement to indemnify the Company. 
 11. Miscellaneous.

 (a) The representations, warranties and agreements herein contained shall survive the exercise of this Warrant. References to the
“Holder of” include the immediate holders of shares purchased on the exercise of this Warrant, and this word “Holder” shall include the plural thereof. 
 (b) This Warrant and any term hereof may be changed, waived, discharged or terminated only by an instrument in writing signed by the party against which enforcement of such change, waiver, discharge or termination is
sought. This Warrant shall be construed and enforced in accordance with and governed by the internal laws of the State of Delaware. The headings in this Warrant are for purposes of reference only, and shall not limit or otherwise affect any of the
terms hereof. The invalidity or unenforceability of any provision hereof shall in no way affect the validity or enforceability of any other provision. 
 [Signature page follows.] 

 IN WITNESS WHEREOF, this Warrant has been duly executed by the undersigned, as of the year and day first
written above. 
  

			
	BIGBAND NETWORKS, INC.
		
	By:	 	 /s/ Amir Bassan-Eskenazi

	Its:	 	Amir Bassan-Eskenazi
		 	President and CEO
	
	HOLDER
		
	By:	 	  

	Its:	 	  

 [Signature Page to Warrant] 

 IN WITNESS WHEREOF, this Warrant has been duly executed by the undersigned, as of the year and day first
written above. 
  

			
	BIGBAND NETWORKS, INC.
		
	By:	 	  

	Its:	 	  

	
	HOLDER
		
	By:	 	 /s/ G. Hemmady

	Its:	 	VP & CFO

 [Signature Page to Warrant] 

 SUBSCRIPTION FORM 
  

	To:	BIGBAND NETWORKS, INC. (the “Company”) 

  

	 	1.	The undersigned hereby: 

  

	 	 ̈—	elects to purchase                      shares of Class B Common Stock of
the Company pursuant to the terms of the attached Warrant, and tenders herewith payment of the purchase price of such shares in full, or 

  

	 	 ̈	elects to exercise its net issuance rights pursuant to Section l(b) of the attached Warrant with respect to
                     shares of Class B Common Stock. 

  

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

  

	
	  

	(Name)
	  
  

	  

	(Address)

  

	 	3.	The undersigned represents that the aforesaid shares are being acquired for the account of the undersigned for investment and not with a view to, or for resale in connection with,
such shares, all except as in compliance with applicable securities laws. 

  

	
	  

	(Signature)

			
	  
	 	
	(Date)	 	

 ASSIGNMENT FORM 
 FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers unto (“Assignee”) the undersigned’s entire right, title and interest in and to the Warrant to Purchase
                     shares of the Class B Nonvoting Common Stock of BIGBAND NETWORKS, INC. (the “Company”), and hereby irrevocably
appoints
                                        
as attorney-in-fact to transfer such Warrant on the books of the Company. 
  

					
	Dated:                             	 	
		
		 	  

		 	Signature of Assignor
			
		 	By:	 	  

		 	Its:	 	  

 The Assignee represents that it is an affiliate of ADC Telecommunications, inc., and that this
Warrant and the shares issuable upon exercise hereof or conversion thereof are being acquired for investment and that the Assignee will not offer, sell or otherwise dispose of this Warrant or any shares issuable upon exercise hereof or conversion
thereof except under circumstances which will not result in a violation of the Securities Act of 1933, as amended, or any state securities laws. Further, the Assignee acknowledges that upon exercise of this Warrant, the Assignee shall, if requested
by the Company, confirm in writing, in a form satisfactory to the Company, that the shares so purchased are being acquired for investment and not with a view toward distribution or resale. 
  

					
	Dated:                             	 	  

		 	Signature of AssigneeWarrant to purchase stock, dated February 20, 2003

 Exhibit 4.4 
 THIS WARRANT AND THE SECURITIES ISSUABLE HEREUNDER HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED OR ANY STATE SECURITIES LAWS. NO SALE OR DISPOSITION MAY BE EFFECTED WITHOUT (i) EFFECTIVE REGISTRATION STATEMENTS
RELATED THERETO, (ii) AN OPINION OF COUNSEL OR OTHER EVIDENCE, REASONABLY SATISFACTORY TO THE COMPANY, THAT SUCH REGISTRATIONS ARE NOT REQUIRED, (iii) RECEIPT OF NO-ACTION LETTERS FROM THE APPROPRIATE GOVERNMENTAL AUTHORITIES RELATING TO
SUCH SALE OR DISPOSITION, OR (iv) OTHERWISE COMPLYING WITH THE PROVISIONS OF SECTION 7 OF THIS WARRANT. 
 BIGBAND NETWORKS,
INC. 
 WARRANT TO PURCHASE 727,273 SHARES 
 OF SERIES C PREFERRED STOCK 
 THIS CERTIFIES THAT, for value received, GATX VENTURES, INC. and its assignees
are entitled to subscribe for and purchase 727,273 shares of the fully paid and nonassessable Series C Preferred Stock (as adjusted pursuant to Section 4 hereof, the “Shares”) of BIGBAND NETWORKS, INC., a Delaware corporation (the
“Company”), at the price of $0.66 per share (such price and such other price as shall result, from time to time, from the adjustments specified in Section 4 hereof is herein referred to as the “Warrant Price”), subject to
the provisions and upon the terms and conditions hereinafter set forth. As used herein, (a) the term “Series Preferred” shall mean the Company’s presently authorized Series C Preferred Stock, and any stock into or for which such
Series C Preferred Stock may hereafter be converted or exchanged, and after the automatic conversion of the Series C Preferred Stock to Common Stock shall mean the Company’s Common Stock, (b) the term “Date of Grant” shall mean
February 20, 2003, and (c) the term “Other Warrants” shall mean any other warrants issued by the Company in connection with the transaction with respect to which this Warrant was issued, and any warrant issued upon transfer or
partial exercise of or in lieu of this Warrant. The term “Warrant” as used herein shall be deemed to include Other Warrants unless the context clearly requires otherwise. 
 1. Term. The purchase right represented by this Warrant is exercisable, in whole or in part, at any time and from time to time from the Date of
Grant through the later of (i) seven (7) years after the Date of Grant or (ii) three (3) years after the closing of the Company’s initial public offering of its Common Stock (“IPO”) effected pursuant to a
Registration Statement on Form S-l (or its successor) filed under the Securities Act of 1933, as amended (the “Act”). Upon request of the Company, the holder of this Warrant agrees that upon (i) the sale of all or substantially all of
the assets or stock of the Company, or (ii) the merger of the Company under any of the following circumstances, (A) such sale or merger is to or with an entity whose tangible net worth prior to such purchase or merger is greater than
$300,000,000; (B) the net proceeds per share to the holder of this Warrant upon such exercise will equal at least the product of the Warrant Price multiplied by 3.0: or (C) the sole consideration in any such transaction paid in respect of
such Shares is cash, that either (y) the holder of this Warrant will exercise the purchase right under this Warrant (including, without limitation, by way of net issuance as provided in Section 10.2) and such exercise will be deemed

 effective upon completion of such sale or merger or (z) if the holder of this Warrant elects not to exercise the
Warrant, this Warrant will expire upon completion of such sale or merger. The Company shall provide the holder of this Warrant not less than 20 business days’ prior written notice of the Company’s request that the holder exercise its
purchase right hereunder in accordance with the provisions of Section 14. 
 2. Method of Exercise; Payment; Issuance of New
Warrant. Subject to Section 1 hereof, the purchase right represented by this Warrant may be exercised by the holder hereof, in whole or in part and from time to time, at the election of the holder hereof, by (a) the surrender of this
Warrant (with the notice of exercise substantially in the form attached hereto as Exhibit A-l duly completed and executed) at the principal office of the Company and by the payment to the Company, by certified or bank check, or by wire transfer to
an account designated by the Company (a “Wire Transfer”) of an amount equal to the then applicable Warrant Price multiplied by the number of Shares then being purchased; (b) if in connection with a registered public offering of the
Company’s securities, the surrender of this Warrant (with the notice of exercise form attached hereto as Exhibit A-2 duly completed and executed) at the principal office of the Company together with notice of arrangements reasonably
satisfactory to the Company for payment to the Company either by certified or bank check or by Wire Transfer from the proceeds of the sale of shares to be sold by the holder in such public offering of an amount equal to the then applicable Warrant
Price per share multiplied by the number of Shares then being purchased; or (c) exercise of the “net issuance” right provided for in Section 10.2 hereof. The person or persons in whose name(s) any certificate(s) representing
shares of Series Preferred shall be issuable upon exercise of this Warrant shall be deemed to have become the holder(s) of record of, and shall be treated for all purposes as the record holder(s) of, the shares represented thereby (and such shares
shall be deemed to have been issued) immediately prior to the close of business on the date or dates upon which this Warrant is exercised. In the event of any exercise of the rights represented by this Warrant, certificates for the shares of stock
so purchased shall be delivered to the holder hereof as soon as possible and in any event within thirty (30) days after such exercise and, unless this Warrant has been fully exercised or expired, a new Warrant representing the portion of the
Shares, if any, with respect to which this Warrant shall not then have been exercised shall also be issued to the holder hereof as soon as possible and in any event within such thirty-day period; provided, however, at such time as the Company is
subject to the reporting requirements of the Securities Exchange Act of 1934, as amended, if requested by the holder of this Warrant, the Company shall cause its transfer agent to deliver the certificate representing Shares issued upon exercise of
this Warrant to a broker or other person (as directed by the holder exercising this Warrant) within the time period required to settle any trade made by the holder after exercise of this Warrant. 
 3. Stock Fully Paid; Reservation of Shares. All Shares that may be issued upon the exercise of the rights represented by this Warrant will, upon
issuance pursuant to the terms and conditions herein, be fully paid and nonassessable, and free from all preemptive rights and taxes, liens and charges with respect to the issue thereof. During the period within which the rights represented by this
Warrant may be exercised, the Company will at all times have authorized, and reserved for the purpose of the issue upon exercise of the purchase rights evidenced by this Warrant, a sufficient number of shares of its Series Preferred to provide for
the exercise of the rights represented by this Warrant and a sufficient number of shares of its Common Stock to provide for the conversion of the Series Preferred into Common Stock. 
  

 -2- 

 4. Adjustment of Warrant Price and Number of Shares. The number and kind of securities purchasable
upon the exercise of this Warrant and the Warrant Price shall be subject to adjustment from time to time upon the occurrence of certain events, as follows: 
 (a) Reclassification or Merger. In case of any reclassification or change of securities of the class issuable upon exercise of this Warrant (other than a change in par value, or from par value to no par value,
or from no par value to par value, or as a result of a subdivision or combination), or in case of any merger of the Company with or into another corporation (other than a merger with another corporation in which the Company is the acquiring and the
surviving corporation and which does not result in any reclassification or change of outstanding securities issuable upon exercise of this Warrant), or in case of any sale of all or substantially all of the assets of the Company, the Company, or
such successor or purchasing corporation, as the case may be, shall duly execute and deliver to the holder of this Warrant a new Warrant (in form and substance satisfactory to the holder of this Warrant), so that the holder of this Warrant shall
have the right to receive upon exercise of this Warrant, at a total purchase price not to exceed that payable upon the exercise of the unexercised portion of this Warrant, and in lieu of the shares of Series Preferred theretofore issuable upon
exercise of this Warrant, (i) the kind and amount of shares of stock, other securities, money and property receivable upon such reclassification, change, merger or sale by a holder of the number of shares of Series Preferred then purchasable
under this Warrant, or (ii) in the case of such a merger or sale in which the consideration paid consists all or in part of assets other than securities of the successor or purchasing corporation, at the option of the holder of this Warrant,
the securities of the successor or purchasing corporation having a value at the time of the transaction equivalent to the value of the Series Preferred purchasable upon exercise of this Warrant at the time of the transaction. Any new Warrant shall
provide for adjustments that shall be as nearly equivalent as may be practicable to the adjustments provided for in this Section 4. The provisions of this Section 4(a) shall similarly apply to successive reclassifications, changes, mergers
and sales. 
 (b) Subdivision or Combination of Shares. If the Company at any time while this Warrant remains outstanding and
unexpired shall subdivide or combine its outstanding shares of Series Preferred, the Warrant Price shall be proportionately decreased and the number of Shares issuable hereunder shall be proportionately increased in the case of a subdivision and the
Warrant Price shall be proportionately increased and the number of Shares issuable hereunder shall be proportionately decreased in the case of a combination. 
 (c) Stock Dividends and Other Distributions. If the Company at any time while this Warrant is outstanding and unexpired shall (i) pay a dividend with respect to Series Preferred payable in Series
Preferred, then the Warrant Price shall be adjusted, from and after the date of determination of shareholders entitled to receive such dividend or distribution, to that price determined by multiplying the Warrant Price in effect immediately prior to
such date of determination by a fraction (A) the numerator of which shall be the total number of shares of Series Preferred outstanding immediately prior to such dividend or distribution, and (B) the denominator of which shall be the total
number of shares of Series Preferred outstanding immediately after such 
  

 -3- 

 dividend or distribution; or (ii) make any other distribution with respect to Series Preferred (except any
distribution specifically provided for in Sections 4(a) and 4(b)), then, in each such case, provision shall be made by the Company such that the holder of this Warrant shall receive upon exercise of this Warrant a proportionate share of any such
dividend or distribution as though it were the holder of the Series Preferred (or Common Stock issuable upon conversion thereof) as of the record date fixed for the determination of the shareholders of the Company entitled to receive such dividend
or distribution. 
 (d) Adjustment of Number of Shares. Upon each adjustment in the Warrant Price, the number of Shares of Series
Preferred purchasable hereunder shall be adjusted, to the nearest whole share, to the product obtained by multiplying the number of Shares purchasable immediately prior to such adjustment in the Warrant Price by a fraction, the numerator of which
shall be the Warrant Price immediately prior to such adjustment and the denominator of which shall be the Warrant Price immediately thereafter. 
 (e) Antidilution Rights. The antidilution rights applicable to the Shares of Series Preferred purchasable hereunder are set forth in the Company’s Second Amended and Restated Certificate of Incorporation, as amended through the
Date of Grant, a true and complete copy of which is attached hereto as Exhibit B (the “Charter”). In the event that such antidilution protections are waived, restated, amended or modified in any manner which adversely affects the holder
without such holder’s prior written consent while this Warrant is in effect then the Company agrees to make appropriate arrangements to provide the holder with the benefits of such antidilution protections as if such had not been so amended,
modified or waived. The foregoing arrangements shall include, but not be limited to, the issuance of additional shares of Common Stock upon conversion of the shares of Series Preferred issuable to the holder hereunder. The Company shall promptly
provide the holder hereof with any restatement, amendment, modification or waiver of the Charter promptly after the same has been made. 
 5.
Notice of Adjustments. Whenever the Warrant Price or the number of Shares purchasable hereunder shall be adjusted pursuant to Section 4 hereof, the Company shall make a certificate signed by its chief financial officer setting forth, in
reasonable detail, the event requiring the adjustment, the amount of the adjustment, the method by which such adjustment was calculated, and the Warrant Price and the number of Shares purchasable hereunder after giving effect to such adjustment, and
shall cause copies of such certificate to be mailed (without regard to Section 13 hereof, by first class mail, postage prepaid) to the holder of this Warrant. In addition, whenever the conversion price or conversion ratio of the Series
Preferred shall be adjusted, the Company shall make a certificate signed by its chief financial officer setting forth, in reasonable detail, the event requiring the adjustment, the amount of the adjustment, the method by which such adjustment was
calculated, and the conversion price or ratio of the Series Preferred after giving effect to such adjustment, and shall cause copies of such certificate to be mailed (without regard to Section 13 hereof, by first class mail, postage prepaid) to
the holder of this Warrant. 
 6. Fractional Shares. No fractional shares of Series Preferred will be issued in connection with any
exercise hereunder, but in lieu of such fractional shares the Company shall make a cash payment therefor based on the fair market value of the Series Preferred on the date of exercise as reasonably determined in good faith by the Company’s
Board of Directors. 
  

 -4- 

 7. Compliance with Act; Disposition of Warrant or Shares of Series Preferred. 
 (a) Compliance with Act. The holder of this Warrant, by acceptance hereof, agrees that this Warrant, and the shares of Series Preferred to be
issued upon exercise hereof and any Common Stock issued upon conversion thereof are being acquired for investment and that such holder will not offer, sell or otherwise dispose of this Warrant, or any shares of Series Preferred to be issued upon
exercise hereof or any Common Stock issued upon conversion thereof except under circumstances which will not result in a violation of the Act or any applicable state securities laws. Upon exercise of this Warrant, unless the Shares being acquired
are registered under the Act and any applicable state securities laws or an exemption from such registration is available, the holder hereof shall confirm in writing that the shares of Series Preferred so purchased (and any shares of Common Stock
issued upon conversion thereof) are being acquired for investment and not with a view toward distribution or resale in violation of the Act and shall confirm such other matters related thereto as may be reasonably requested by the Company. This
Warrant and all shares of Series Preferred issued upon exercise of this Warrant and all shares of Common Stock issued upon conversion thereof (unless registered under the Act and any applicable state securities laws) shall be stamped or imprinted
with a legend in substantially the following form: 
 “THE SECURITIES EVIDENCED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS
AMENDED, OR ANY STATE SECURITIES LAWS. NO SALE OR DISPOSITION MAY BE EFFECTED WITHOUT (i) EFFECTIVE REGISTRATION STATEMENTS RELATED THERETO, (ii) AN OPINION OF COUNSEL OR OTHER EVIDENCE, REASONABLY SATISFACTORY TO THE COMPANY, THAT SUCH
REGISTRATIONS ARE NOT REQUIRED, (iii) RECEIPT OF NO-ACTION LETTERS FROM THE APPROPRIATE GOVERNMENTAL AUTHORITIES RELATING TO SUCH SALE OR DISPOSITION, OR (iv) OTHERWISE COMPLYING WITH THE PROVISIONS OF SECTION 7 OF THE WARRANT UNDER WHICH
THESE SECURITIES WERE ISSUED, DIRECTLY OR INDIRECTLY.” 
 Said legend shall be removed by the Company, upon the request of a holder, at
such time as the restrictions on the transfer of the applicable security shall have terminated. In addition, in connection with the issuance of this Warrant, the holder specifically represents to the Company by acceptance of this Warrant as follows:

 (1) The holder is aware of the Company’s business affairs and financial condition, and has acquired information about the Company
sufficient to reach an informed and knowledgeable decision to acquire this Warrant. The holder is acquiring this Warrant for its own account for investment purposes only and not with a view to, or for the resale in connection with, any
“distribution” thereof in violation of the Act. 
  

 -5- 

 (2) The holder understands that this Warrant has 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 as expressed herein. 
 (3) The holder further understands that this Warrant must be held indefinitely unless subsequently registered under the Act and qualified under any applicable state securities laws, or unless exemptions from
registration and qualification are otherwise available. The holder is aware of the provisions of Rule 144, promulgated under the Act. 
 (4)
The holder is an “accredited investor” as such term is defined in Rule 501 of Regulation D promulgated under the Act. 
 (b)
Disposition of Warrant or Shares. With respect to any offer, sale or other disposition of this Warrant or any shares of Series Preferred acquired pursuant to the exercise of this Warrant prior to registration of such Warrant or shares, the
holder hereof agrees to give written notice to the Company prior thereto, describing briefly the manner thereof, together with a written opinion of such holder’s counsel, or other evidence, if reasonably satisfactory to the Company, to the
effect that such offer, sale or other disposition may be effected without registration or qualification (under the Act as then in effect or any federal or state securities law then in effect) of this Warrant or such shares of Series Preferred or
Common Stock and indicating whether or not under the Act certificates for this Warrant or such shares of Series Preferred to be sold or otherwise disposed of require any restrictive legend as to applicable restrictions on transferability in order to
ensure compliance with such law. Upon receiving such written notice and reasonably satisfactory opinion or other evidence, the Company, as promptly as practicable but no later than fifteen (15) days after receipt of the written notice, shall
notify such holder that such holder may sell or otherwise dispose of this Warrant or such shares of Series Preferred or Common Stock, all in accordance with the terms of the notice delivered to the Company. If a determination has been made pursuant
to this Section 7(b) that the opinion of counsel for the holder or other evidence is not reasonably satisfactory to the Company, the Company shall so notify the holder promptly with details thereof after such determination has been made.
Notwithstanding the foregoing, this Warrant or such shares of Series Preferred or Common Stock may, as to such federal laws, be offered, sold or otherwise disposed of in accordance with Rule 144 or 144A under the Act, provided that the Company shall
have been furnished with such information as the Company may reasonably request to provide a reasonable assurance that the provisions of Rule 144 or 144A have been satisfied. Each certificate representing this Warrant or the shares of Series
Preferred thus transferred (except a transfer pursuant to Rule 144 or 144A) shall bear a legend as to the applicable restrictions on transferability in order to ensure compliance with such laws, unless in the aforesaid opinion of counsel for the
holder, such legend is not required in order to ensure compliance with such laws. The Company may issue stop transfer instructions to its transfer agent in connection with such restrictions. 
 (c) Applicability of Restrictions. Neither any restrictions of any legend described in this Warrant nor the requirements of Section 7(b)
above shall apply to any transfer of, or grant of a security interest in, this Warrant (or the Series Preferred or Common Stock obtainable upon exercise thereof) or any part hereof (i) to a partner of the holder if the holder is a partnership
or to a member of the holder if the holder is a limited liability company, (ii) to a partnership of which the holder is a 
  

 -6- 

 partner or to a limited liability company of which the holder is a member, or (iii) to any affiliate of the holder
if the holder is a corporation; provided, however, in any such transfer, if applicable, the transferee shall on the Company’s request agree in writing to be bound by the terms of this Warrant as if an original holder hereof.

 8. Rights as Shareholders: Information. No holder of this Warrant, as such, shall be entitled to vote or receive dividends or be
deemed the holder of Series Preferred or any other securities of the Company which may at any time be issuable upon the exercise hereof for any purpose, nor shall anything contained herein be construed to confer upon the holder of this Warrant, as
such, any of the rights of a shareholder of the Company or any right to vote for the election of directors or upon any matter submitted to shareholders at any meeting thereof, or to receive notice of meetings, or to receive dividends or subscription
rights or otherwise until this Warrant shall have been exercised and the Shares purchasable upon the exercise hereof shall have become deliverable, as provided herein. Notwithstanding the foregoing, the Company will transmit to the holder of this
Warrant such information, documents and reports as are generally distributed to all or substantially all of the holders of the Series Preferred concurrently with the distribution thereof to such shareholders. 
 9. Registration Rights. Upon exercise of this Warrant, the holder shall be entitled, with respect to any Common Stock of the Company obtained upon
conversion, to the Incidental/”Piggyback” Registration Rights and the S-3 Registration Rights currently afforded to certain existing shareholders of the Company pursuant to that certain Third Amended and Restated Investors Rights
Agreement, dated as of April 1, 2002 by and among the Company and the parties thereto (the “Rights Agreement”), as described in Section 7 thereof, attached hereto as Exhibit C. The holder agrees that it shall be entitled
to the benefits and subject to the restrictions set forth in the provisions listed in such Exhibit C hereto. For this purpose, the term “Registrable Securities” as used in the Rights Agreement shall be deemed to include the shares of
Common Stock of the Company obtained upon conversion and the holder of this Warrant shall be deemed to be a “Holder” for purposes of such Section of the Rights Agreement. None of the registration rights set forth in, arising under, or
created by this Warrant may be assigned or transferred without the prior consent in writing of each party to the Rights Agreement with the exception of the following transfers or assignments in connection with a permitted transfer of this Warrant or
the Shares: 
 (1) Assignment and transfers from the holder hereof to any other entity which controls, is controlled by or is under common
control with such holder; 
 (2) If the holder is a limited partnership, assignments and transfers to its partners or members and to
affiliated limited partnerships managed by the same management company or managing partner or by an entity which controls, is controlled by, or is under common control with, such management company or managing general partner, provided, however,
that that no such assignment or transfer shall become effective unless each such transferee has provided the Company with a confirmation in writing that it is bound by all terms and conditions of this Warrant as if it were an original party to it;
or 
  

 -7- 

 (3) Assignment or transfer to a party which acquires, or has the right to acquire pursuant to a warrant,
at least two hundred thousand (200,000) shares of Registrable Securities (as defined in the Rights Agreement) (as adjusted for stock splits and combinations). 
 10. Additional Rights 
 10.1 Acquisition Transactions. The Company shall provide the holder of
this Warrant with at least twenty (20) days’ written notice prior to closing thereof of the terms and conditions of any of the following transactions (to the extent the Company has notice thereof): (i) the sale, lease, exchange,
conveyance or other disposition of all or substantially all of the Company’s property or business, or (ii) its merger into or consolidation with any other corporation (other than a wholly-owned subsidiary of the Company), or any
transaction (including a merger or other reorganization) or series of related transactions, in which more than 50% of the voting power of the Company is disposed of. 
 10.2 Right to Convert Warrant into Stock: Net Issuance. 
 (a) Right to Convert. In addition to
and without limiting the rights of the holder under the terms of this Warrant, the holder shall have the right to convert this Warrant or any portion thereof (the “Conversion Right”) into shares of Series Preferred as provided in this
Section 10.2 at any time or from time to time during the term of this Warrant. Notwithstanding the foregoing, holder shall not have such right from the Date of Grant through twenty-four months from the Date of Grant unless a liquidation event,
including without limitation, an IPO, merger or acquisition, shall have occurred. Upon exercise of the Conversion Right with respect to a particular number of shares subject to this Warrant (the “Converted Warrant Shares”), the Company
shall deliver to the holder (without payment by the holder of any exercise price or any cash or other consideration) that number of shares of fully paid and nonassessable Series Preferred as is determined according to the following formula:

  

			
	X =	 	B - A
		 	   Y

  

							
	Where:	  	X	  	=	  	the number of shares of Series Preferred that shall be issued to holder
				
		  	Y	  	=	  	the fair market value of one share of Series Preferred
				
		  	A	  	=	  	the aggregate Warrant Price of the specified number of Converted Warrant Shares immediately prior to the exercise of the Conversion Right (i.e., the number of Converted Warrant Shares
multiplied by the Warrant Price)
				
		  	B	  	=	  	the aggregate fair market value of the specified number of Converted Warrant Shares (i.e., the number of Converted Warrant Shares multiplied by the fair market value of one
Converted Warrant Share)

  

 -8- 

 No fractional shares shall be issuable upon exercise of the Conversion Right, and, if the number of
shares to be issued determined in accordance with the foregoing formula is other than a whole number, the Company shall pay to the holder an amount in cash equal to the fair market value of the resulting fractional share on the Conversion Date (as
hereinafter defined). For purposes of Section 10 of this Warrant, shares issued pursuant to the Conversion Right shall be treated as if they were issued upon the exercise of this Warrant. 
 (b) Method of Exercise. The Conversion Right may be exercised by the holder by the surrender of this Warrant at the principal office of the
Company together with a written statement (which may be in the form of Exhibit A-1 or Exhibit A-2 hereto) specifying that the holder thereby intends to exercise the Conversion Right and indicating the number of shares subject to this Warrant which
are being surrendered (referred to in Section 10.2(a) hereof as the Converted Warrant Shares) in exercise of the Conversion Right. Such conversion shall be effective upon receipt by the Company of this Warrant together with the aforesaid
written statement, or on such later date as is specified therein (the “Conversion Date”), and, at the election of the holder hereof, may be made contingent upon the closing of the sale of the Company’s Common Stock to the public in a
public offering pursuant to a Registration Statement under the Act (a “Public Offering”). Certificates for the shares issuable upon exercise of the Conversion Right and, if applicable, a new warrant evidencing the balance of the shares
remaining subject to this Warrant, shall be issued as of the Conversion Date and shall be delivered to the holder within thirty (30) days following the Conversion Date. 
 (c) Determination of Fair Market Value. For purposes of this Section 10.2, “fair market value” of a share of Series Preferred (or
Common Stock if the Series Preferred has been automatically converted into Common Stock) as of a particular date (the “Determination Date”) shall mean: 
 (i) If the Conversion Right is exercised in connection with and contingent upon a Public Offering, and if the Company’s Registration Statement relating to such Public Offering (“Registration Statement”)
has been declared effective by the Securities and Exchange Commission, then the initial “Price to Public” specified in the final prospectus with respect to such offering. 
 (ii) If the Conversion Right is not exercised in connection with and contingent upon a Public Offering, then as follows: 
 (A) If traded on a securities exchange, the fair market value of the Common Stock shall be deemed to be the average of the closing prices of the Common
Stock on such exchange over the five trading days immediately prior to the Determination Date, and the fair market value of the Series Preferred shall be deemed to be such fair market value of the Common Stock multiplied by the number of shares of
Common Stock into which each share of Series Preferred is then convertible; 
 (B) If traded on the Nasdaq Stock Market or other
over-the-counter system, the fair market value of the Common Stock shall be deemed to be the average of the closing bid prices of the Common Stock over the five trading days immediately prior to the Determination Date, and the 
  

 -9- 

 fair market value of the Series Preferred shall be deemed to be such fair market value of the Common Stock multiplied by
the number of shares of Common Stock into which each share of Series Preferred is then convertible; and 
 (C) If there is no public market
for the Common Stock, then fair market value shall be determined in good faith by the Company’s board of directors. 
 In making a determination under
clauses (A) or (B) above, if on the Determination Date, five trading days had not passed since the IPO, then the fair market value of the Common Stock shall be the average closing prices or closing bid prices, as applicable, for the
shorter period beginning on and including the date of the IPO and ending on the trading day prior to the Determination Date (or if such period includes only one trading day the closing price or closing bid price, as applicable, for such trading
day). If closing prices or closing bid prices are no longer reported by a securities exchange or other trading system, the closing price or closing bid price shall be that which is reported by such securities exchange or other trading system at 4:00
p.m. New York City time on the applicable trading day. 
 10.3 Exercise Prior to Expiration. To the extent this Warrant is not
previously exercised as to all of the Shares subject hereto, and if the fair market value of one share of the Series Preferred is greater than the Warrant Price then in effect, this Warrant shall be deemed automatically exercised pursuant to
Section 10.2 above (even if not surrendered) immediately before its expiration. For purposes of such automatic exercise, the fair market value of one share of the Series Preferred upon such expiration shall be determined pursuant to
Section 10.2(c). To the extent this Warrant or any portion thereof is deemed automatically exercised pursuant to this Section 10.3, the Company agrees to promptly notify the holder hereof of the number of Shares, if any, the holder hereof
is to receive by reason of such automatic exercise. 
 11. Adjustment Upon Mandatory Conversion. In the event that the shares of
Series Preferred issuable to the holder hereof upon exercise of the Warrant would have been subject to a Mandatory Conversion in connection with an IPO, as set forth in ARTICLE IV Section C(5) of the Charter, if such shares of Series Preferred had
been held by the holder hereof at the time of such Mandatory Conversion, then, in such event, this Warrant shall become exercisable for such shares of Common Stock of the Company as the holder hereof would have received if such holder had exercised
this Warrant prior to such Mandatory Conversion. 
 12. Representations and Warranties. The Company represents and warrants to the
holder of this Warrant as follows: 
 (a) This Warrant has been duly authorized and executed by the Company and is a valid and binding
obligation of the Company enforceable in accordance with its terms, subject to laws of general application relating to bankruptcy, insolvency and the relief of debtors and the rules of law or principles at equity governing specific performance,
injunctive relief and other equitable remedies. 
  

 -10- 

 (b) The Shares have been duly authorized and reserved for issuance by the Company and, when issued in
accordance with the terms hereof, will be validly issued, fully paid and nonassessable and free from preemptive rights. 
 (c) The rights,
preferences, privileges and restrictions granted to or imposed upon the Series Preferred and the holders thereof are as set forth in the Charter, and on the Date of Grant, each share of the Series Preferred represented by this Warrant is convertible
into one share of Common Stock. 
 (d) The shares of Common Stock issuable upon conversion of the Shares have been duly authorized and
reserved for issuance by the Company and, when issued in accordance with the terms of the Charter will be validly issued, fully paid and nonassessable. 
 (e) The execution and delivery of this Warrant are not, and the issuance of the Shares upon exercise of this Warrant in accordance with the terms hereof will not be, inconsistent with the Company’s Charter or
by-laws, do not and will not contravene any law, governmental rule or regulation, judgment or order applicable to the Company, and do not and will not conflict with or contravene any provision of, or constitute a default under, any indenture,
mortgage, contract or other instrument of which the Company is a party or by which it is bound or require the consent or approval of, the giving of notice to, the registration or filing with or the taking of any action in respect of or by, any
Federal, state or local government authority or agency or other person, except for the filing of notices pursuant to federal and state securities laws, which filings will be effected by the time required thereby. 
 (f) There are no actions, suits, audits, investigations or proceedings pending or, to the knowledge of the Company, threatened against the Company in any
court or before any governmental commission, board or authority which, if adversely determined, could have a material adverse effect on the ability of the Company to perform its obligations under this Warrant. 
 (g) The number of shares of Common Stock of the Company outstanding on the date hereof, on a fully diluted basis (assuming the conversion of all
outstanding convertible securities and the exercise of all outstanding options and warrants), does not exceed 140,000,000 shares. 
 13.
Modification and Waiver. This Warrant and any provision 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. 
 14. Notices. Any notice, request, communication or other document required or permitted to be given or delivered to the holder hereof or the
Company shall be delivered, or shall be sent by certified or registered mail, postage prepaid, to each such holder at its address as shown on the books of the Company or to the Company at the address indicated therefor on the signature page of this
Warrant. 
 15. Binding Effect on Successors. This Warrant shall be binding upon any corporation succeeding the Company by merger,
consolidation or acquisition of all or substantially all of the 
  

 -11- 

 Company’s assets, and all of the obligations of the Company relating to the Series Preferred issuable upon the
exercise or conversion of this Warrant shall survive the exercise, conversion and termination of this Warrant and all of the covenants and agreements of the Company shall inure to the benefit of the successors and assigns of the holder hereof.

 16. Lost Warrants or Stock Certificates. The Company covenants to the holder hereof that, upon receipt of evidence reasonably
satisfactory to the Company of the loss, theft, destruction or mutilation of this Warrant or any stock certificate and, in the case of any such loss, theft or destruction, upon receipt of an indemnity reasonably satisfactory to the Company, or in
the case of any such mutilation upon surrender and cancellation of such Warrant or stock certificate, the Company will make and deliver a new Warrant or stock certificate, of like tenor, in lieu of the lost, stolen, destroyed or mutilated Warrant or
stock certificate. 
 17. Descriptive Headings. The descriptive headings of the various Sections of this Warrant are inserted for
convenience only and do not constitute a part of this Warrant. The language in this Warrant shall be construed as to its fair meaning without regard to which party drafted this Warrant. 
 18. Governing Law. This Warrant shall be construed and enforced in accordance with, and the rights of the parties shall be governed by, the laws
of the State of California. 
 19. Survival of Representations, Warranties and Agreements. All representations and warranties of the
Company and the holder hereof contained herein shall survive the Date of Grant, the exercise or conversion of this Warrant (or any part hereof) or the termination or expiration of rights hereunder. All agreements of the Company and the holder hereof
contained herein shall survive indefinitely until, by their respective terms, they are no longer operative. 
 20. Remedies. In case
any one or more of the covenants and agreements contained in this Warrant shall have been breached, the holders hereof (in the case of a breach by the Company), or the Company (in the case of a breach by a holder), may proceed to protect and enforce
their or its rights either by suit in equity and/or by action at law, including, but not limited to, an action for damages as a result of any such breach and/or an action for specific performance of any such covenant or agreement contained in this
Warrant. 
 21. No Impairment of Rights. The Company will not without the consent of the holder of this Warrant avoid or seek to avoid
the observance or performance of any of the terms of this Warrant, but will at all times in good faith assist in the carrying out of all such terms and in the taking of all such action as may be necessary or appropriate in order to protect the
rights of the holder of this Warrant against impairment. 
 22. Severability. The invalidity or unenforceability of any provision of
this Warrant in any jurisdiction shall not affect the validity or enforceability of such provision in any other jurisdiction, or affect any other provision of this Warrant, which shall remain in full force and effect. 
 23. Recovery of Litigation Costs. If any legal action or other proceeding is brought for the enforcement of this Warrant, or because of an alleged
dispute, breach, default, or misrepresentation 
  

 -12- 

 in connection with any of the provisions of this Warrant, the successful or prevailing party or parties shall be entitled
to recover reasonable attorneys’ fees and other costs incurred in that action or proceeding, in addition to any other relief to which it or they may be entitled. 
 24. Entire Agreement; Modification. This Warrant constitutes the entire agreement between the parties pertaining to the subject matter contained in it and supersedes all prior and contemporaneous agreements,
representations, and undertakings of the parties, whether oral or written, with respect to such subject matter. 
  

 -13- 

 The Company has caused this Warrant to be duly executed and delivered as of the Date of Grant specified
above. 
  

			
	BIGBAND NETWORKS, INC.
		
	By:	 	 /s/ Amir Bassan-Eskenazi

	Name:	 	Amir Bassan-Eskenazi
	Title:	 	President and CEO
	Address:	 	475 Broadway Street
		 	Redwood City, CA 94063

  

 -14- 

 EXHIBIT A-1 
 NOTICE OF EXERCISE 
  

	To:	BIGBAND NETWORKS, INC. (the “Company”) 

 1. The
undersigned hereby: 
  

	 	 ̈	elects to purchase                      shares of [Series Preferred Stock]
[Common Stock] of the Company pursuant to the terms of the attached Warrant, and tenders herewith payment of the purchase price of such shares in full; or 

  

	 	 ̈	elects to exercise its net issuance rights pursuant to Section 10.2 of the attached Warrant with respect to
                     Shares of [Series Preferred Stock] [Common Stock]. 

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

	
	  

	(Name)
	  
  

	  

	(Address)

 3. The undersigned represents that the aforesaid 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, all except as in compliance with applicable
securities laws. 
  

	
	  

	(Signature)

  

			
	  
	 	
	(Date)	 	

 EXHIBIT A-2 
 NOTICE OF EXERCISE 
  

	To:	BIGBAND NETWORKS, INC. (the “Company”) 

 1.
Contingent upon and effective immediately prior to the closing (the “Closing”) of the Company’s public offering contemplated by the Registration Statement on Form S        , filed
                    , 200  , the undersigned hereby: 
  

	 	 ̈	elects to purchase                      shares of [Series Preferred Stock]
[Common Stock] of the Company (or such lesser number of shares as may be sold on behalf of the undersigned at the Closing) pursuant to the terms of the attached Warrant, or 

  

	 	 ̈	elects to exercise its net issuance rights pursuant to Section 10.2 of the attached Warrant with respect to
                     Shares of [Series Preferred Stock] [Common Stock]. 

 2. Please deliver to the custodian for the selling shareholders a stock certificate representing such
                     shares. 
 3.
The undersigned has instructed the custodian for the selling shareholders to deliver to the Company $                     or, if less, the net
proceeds due the undersigned from the sale of shares in the aforesaid public offering. If such net proceeds are less than the purchase price for such shares, the undersigned agrees to deliver the difference to the Company prior to the Closing.

  

	
	  

	(Signature)

  

			
	  
	 	
	(Date)

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