Document:

Promissory Note, dated 02/11/2000, by & between the registrant & Richard Redelfs

 EXHIBIT 10.7 
  
 PROMISSORY NOTE 
  

	 $108,900
	 	 Palo Alto, California
 February 11, 2000

  
 For value received,
the undersigned promises to pay T-Span Systems Corporation (the “Company”), at its principal office the principal sum of $108,900 with interest from the date hereof at a rate of 6.56% per annum, compounded annually, on the unpaid
balance of such principal sum. Such principal shall be due and payable on the earlier of (i) six (6) years from the date hereof or (ii) six (6) months from the undersigned’s termination of employment with the Company. The interest shall be due
and payable annually during the term of this Note. 
  
 Principal
and interest hereunder are payable in lawful money of the United States of America. Amounts due under this Note may be prepaid at any time without penalty. 
  
 Should suit be commenced to collect any sums due under this Note, such sum as the Court may deem reasonable shall be added hereto as attorneys’ fees.
The maker and endorsers have severally waived presentment for payment, protest, notice of protest, and notice of nonpayment of this Note. 
  
 This Note, which is full recourse, is secured by a pledge of certain shares of Common Stock of the Company and is subject to the terms of a Pledge and
Security Agreement between the undersigned and the Company of even date herewith. 
  

	
	/s/ Richard Redelfs      
	

	Richard Redelfs

 PLEDGE AND SECURITY AGREEMENT 
  
 This Pledge and Security Agreement (the “Agreement”) is entered into this 11th day of February , 2000 by and between T-Span Systems Corporation (the “Company”) and Richard Redelfs
(“Purchaser”). 
  
 RECITALS

  
 In connection with Purchaser’s exercise of an option
to purchase certain shares of the Company’s Common Stock (the “Shares”) pursuant to an Option Agreement dated November 5, 1999 between Purchaser and the Company, Purchaser is delivering a promissory note of even date herewith
(the “Note”) in partial payment of the exercise price for the Shares. The company requires that the Note be secured by a pledge of the Shares on the terms set forth below. 
  
 AGREEMENT 
  
 In consideration of the Company’s acceptance of the Note as partial
payment of the exercise price of the Shares, and for other good and valuable consideration, the receipt of which is hereby acknowledged, the parties hereto agree as follows: 
  
 1. The Note shall become payable in full within six (6) months of the voluntary or involuntary termination or cessation of
employment of Purchaser with the Company, for any reason, with or without cause (including death or disability). 
  
 2. Purchaser shall deliver to the Secretary of the Company, or his or her designee (hereinafter referred to as the “Pledge Holder”), all
certificates representing the Shares, together with an Assignment Separate from Certificate in the form attached to this Agreement as Attachment A, executed by Purchaser and by Purchaser’s spouse (if married), in blank, for use in transferring
all or a portion of the Shares to the Company if, as and when required pursuant to this Agreement. In addition, if Purchaser is married, Purchaser’s spouse shall execute the signature page attached to this Agreement. 
  
 3. As security for the payment of the Note and any renewal, extension or
modification of the Note, Purchaser hereby grants to the Company a security interest in and pledges with and delivers to the Company Purchaser’s Shares (sometimes referred to herein as the “Collateral”). Purchaser agrees that the Note
is full recourse to Purchaser beyond the Collateral. 
  
 4. In the
event that Purchaser prepays all or a portion of the Note, in accordance with the provisions thereof, Purchaser intends, unless written notice to the contrary is delivered to the Pledge Holder, that the Shares represented by the portion of the Note
so repaid, including annual interest thereon, shall continue to be so held by the Pledge Holder, to serve as independent collateral for the outstanding portion of the Note. 
  

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 5. In the event of any foreclosure of the security interest created by this Agreement, the Company may
sell the Shares at a private sale or may repurchase the Shares itself. The parties agree that, prior to the establishment of a public market for the Shares of the Company, the securities laws affecting sale of the Shares make a public sale of the
Shares commercially unreasonable. The parties further agree that the repurchasing of such Shares by the Company, or by any person to whom the Company may have assigned its rights under this Agreement, is commercially reasonable if made at a price
determined by the Board of Directors in its discretion, fairly exercised, representing what would be the fair market value of the Shares reduced by any limitation on transferability, whether due to the size of the block of shares or the restrictions
of applicable securities laws. 
  
 6. In the event of default in
payment when due of any indebtedness under the Note, the Company may elect then, or at any time thereafter, to exercise all rights available to a secured party under the California Commercial Code including the right to sell the Collateral at a
private or public sale or repurchase the Shares as provided above. The proceeds of any sale shall be applied in the following order: 
  
 (a) To the extent necessary, proceeds shall be used to pay all reasonable expenses of the Company in enforcing this Agreement and the
Note, including, without limitation, reasonable attorney’s fees and legal expenses incurred by the Company. 
  
 (b) To the extent necessary, proceeds shall be used to satisfy any remaining indebtedness under Purchaser’s Note. 
  
 (c) Any remaining proceeds shall be delivered to Purchaser.

  
 7. Upon full payment by Purchaser of all amounts due under the
Note, Pledge Holder shall deliver to Purchaser all Shares in Pledge Holder’s possession belonging to Purchaser, and Pledge Holder shall thereupon be discharged of all further obligations under this Agreement; provided, however, that Pledge
Holder shall nevertheless retain the Shares as escrow agent if at the time of full payment by Purchaser said Shares are still subject to other rights in favor of the Company which provide for an escrow. 
  
 8. This Agreement shall be governed by and construed under the laws of the
State of California as applied to agreements among California residents entered into and to be performed entirely within California. 
  
 9. This Agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one
and the same instrument. 
  

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 The parties have executed this Pledge and Security Agreement as of the date first set forth above.

  

	COMPANY:
	
	 T-SPAN SYSTEMS CORPORATION

		
	By:	 	 
	 	

		
	 Title:
	 	 
	 	

	
	 Address: 3145 Porter Drive
                Palo Alto, CA
94304

  

	PURCHASER:
	
	RICHARD REDELFS
	
	 
	

	 (Signature)

	
	 Address:

	
	 
	

	 
	

	
	 
	

	 (Signature of Spouse if applicable)

  

 3 

 ATTACHMENT A 
  
 ASSIGNMENT SEPARATE FROM CERTIFICATE 
  
 FOR VALUE RECEIVED and pursuant to that certain Pledge and Security Agreement between the undersigned
(“Purchaser”) and T-Span Systems Corporation, dated February 11, 2000, (the “Agreement”), Purchaser hereby sells, assigns and transfers unto
                                        
         (                    ) shares of the Common Stock of T-Span Systems Corporation, standing
in Purchaser’s name on the books of said corporation represented by Certificate No.          herewith and hereby irrevocably appoints
                                        
                 to transfer said stock on the books of the within-named corporation with full power of substitution in the premises. THIS ASSIGNMENT MAY ONLY BE USED
AS AUTHORIZED BY THE AGREEMENT. 
  
 Dated: February
    , 2000 
  

		
	 Signature:
	 	/s/ Richard Redelfs      
	 	

	 	 	Richard Redelfs

  

	
	Susan S. Redelfs
	

	 Spouse of Richard Redelfs (if applicable)

  
 Instruction: Please do not fill
in any blanks other than the signature line. The purpose of this assignment is to perfect the security interest of the Company pursuant to the Agreement. 

 RECEIPT 
  
 The undersigned hereby acknowledges receipt of Certificate No.
             for
                                        
shares of Common Stock of T-Span Systems Corporation (the “Company”). 
  

				
	 Dated:
	 	  	 	 	 	  
	 	
	 	 	

	 	 	 	 	 	 	Richard Redelfs

 RECEIPT AND CONSENT 
  
 The undersigned hereby acknowledges receipt of a photocopy Certificate No.
             for                          shares of
Common Stock of T-Span Systems Corporation (the “Company”). 
  
 The undersigned further acknowledges that the Secretary of the Company, or his or her designee, is acting as Pledge Holder pursuant to the Pledge and Security Agreement Purchaser has previously entered into with the
Company. As Pledge Holder, the Secretary of the Company, or his or her designee, holds the original of the aforementioned certificate issued in the undersigned’s name. 
  

				
	 Dated:
	 	  	 	 	 	  
	 	
	 	 	

	 	 	 	 	 	 	Richard Redelfs

 RECEIPT 
  
 T-Span Systems Corporation (the “Company”) hereby acknowledges receipt of a check in the amount of $1,100
representing the par value of 1,100,000 shares of the Company’s Common Stock purchase by Mr. Richard Redelfs. 
  

	 Dated: February     , 2000
	 	 	 	T-SPAN SYSTEMS CORPORATION
					
	 	 	 	 	 	 	By:	 	 
	 	 	 	 	 	 	 	

					
	 	 	 	 	 	 	 Title:Warrant to Purchase Shares of Preferred Stock by & between the registrant & Gatx

 EXHIBIT 10.8 
  
 THIS WARRANT HAS 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, OR (iv) OTHERWISE COMPLYING WITH THE PROVISIONS OF SECTION 7 OF THIS WARRANT. 
  
 ATHEROS COMMUNICATIONS, INC. 
  
 WARRANT TO PURCHASE SHARES 
 OF PREFERRED STOCK 
  
 THIS CERTIFIES THAT, for value received, GATX VENTURES, INC. and its
assignees (referred to as the “Holder”) are entitled to subscribe for and purchase that number of the fully paid and nonassessable shares of either Series C Preferred Stock or shares of convertible preferred stock sold in the next
Qualified Financing (as defined herein) (“Series D Preferred Stock”) (as adjusted pursuant to Section 4 hereof, the “Shares”) of ATHEROS COMMUNICATIONS, INC., a Delaware corporation (the “Company”), as is determined
pursuant to the next paragraph hereof at the price per share as is determined pursuant to the next paragraph hereof (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 (i) 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,
or (ii) issued in lieu of Series C Preferred Stock, the shares of Series D Preferred Stock which may be authorized and sold in the next Qualified Financing and any stock into which such Series D Preferred Stock may hereafter be converted or
exchanged, (b) the term “Date of Grant” shall mean September 6, 2001, 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. 
  
 In the event that the Warrant is exercised prior to the occurrence of a
Qualified Financing (as defined herein), then the Warrant Price shall be $6.46 per share (the “Series C Price”) and the Warrant shall be exercisable for shares of the Company’s Series C Preferred Stock. In the event that the Qualified
Financing occurs prior to the exercise of this Warrant and the effective price per share of the convertible preferred stock (on a common stock equivalent basis and taking into account any securities issued together with the preferred stock) issued
in such Qualified Financing is lower than the Series C Price (the “Series D Price”), then the Warrant Price shall be the Series D Price and the Warrant shall be exercisable for shares of the Company’s Series D Preferred Stock. In the
event that the Series D Price will be higher than the Series C Price, then the Warrant Price shall be the Series C Price and the Warrant shall be exercisable for shares of 

  

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the Company’s Series C Preferred Stock. A “Qualified Financing” shall mean a round of financing where the Company will issue shares of a new
series of preferred stock to purchasers which include venture capital investors in an aggregate cash amount not less than $3,000,000. The number of shares for which this Warrant is exercisable shall be the nearest whole number determined by dividing
$225,000 by the Warrant Price determined pursuant to this paragraph. 
  
 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) ten (10) years after the Date of Grant, or (ii) five (5) 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-1 (or its successor) filed under the Securities Act of 1933, as amended (the “Act”).

  
 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-1 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 the sale of the Company’s Common Stock to the public in a public
offering (including without limitation, an IPO) pursuant to a Registration Statement under the Act (a “Public Offering”), 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 

  

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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. In the event that
the Warrant is exercisable for shares of Series D Preferred Stock, the Holder acknowledges that the Company does not currently have authorized Series D Preferred Stock to allow the exercise of the Warrants for shares of Series D Preferred Stock. The
Company covenants that during the term the Warrant is exercisable and in the event that the Company authorizes Series D Preferred Stock in connection with the Qualified Financing, the Company will (a) reserve from its authorized and unissued Series
D Preferred Stock, a sufficient number of shares to provide for the issuance of Series D Preferred Stock upon the exercise of the Warrant (and shares of its Common Stock for issuance on conversion of such Series D Preferred Stock) which shall be
duly authorized, and when issued in accordance with the Warrant, fully paid and non-assessable, and (b) from time to time take all necessary steps, within the reasonable opinion of legal counsel, and use its commercially reasonable efforts to amend
its Certificate of Incorporation to provide sufficient reserves of shares of Series D Preferred Stock issuable upon exercise of the Warrant (and shares of its Common Stock for issuance on conversion of such Series D Preferred Stock). 
  
 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 (i) 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 (ii) 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 Company’s assets, property or business (each of the transactions described in this subparagraph (ii) referred to as an “Acquisition Transaction”), 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), or the Company shall make appropriate provision
without the issuance of a new 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, the kind and amount of shares of stock, other securities, money and property receivable upon such reclassification, change or Acquisition
Transaction by a holder of the number of shares of Series Preferred then purchasable under this Warrant. 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. 
  

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 (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 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 other antidilution rights applicable to
the Shares of Series Preferred purchasable hereunder are set forth in the Company’s 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”).
Such antidilution rights shall not be restated, amended, modified or waived in any manner which affects the Holder differently than the holders of the Company’s Series C Preferred Stock or the future holders of the Company’s Series D
Preferred Stock, without such Holder’s prior written consent. 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. 

  

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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. Whenever the Warrant Price or the number of Shares
purchasable hereunder shall be adjusted pursuant to the occurrence of a Qualified Financing, 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. 
  
 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. 
  

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 and acknowledges 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, OR (iv) OTHERWISE COMPLYING WITH THE 

  

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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 the 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. 
  
 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 

  

 6 

 
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 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 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 the holders of any class or series of the securities of
the Company concurrently with the distribution thereof to the shareholders. 
  
 9.
Reserved. 
  
 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 Acquisition Transaction (as defined in Section 4(a) hereof). 
  
 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. Upon exercise of the Conversion Right with respect to a particular number of shares subject to this Warrant (the 

  

 7 

 
“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)

  
 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 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 the 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 

  

 8 

 
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
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 prior to its
expiration, 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. 
  

 9 

 11. Representations and Warranties. Except as disclosed in the Schedule of Exceptions attached hereto as Exhibit C
(the “Schedule of Exceptions) the Company hereby 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. 

 
 (b) Subject to the terms of Section 3 hereof, 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) Except as stated in the Schedule of Exceptions, 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) Except as stated in the Schedule of Exceptions, 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 (assuming (i) the conversion of all outstanding convertible securities, (ii) the exercise of all outstanding warrants, and (iii) the exercise of all outstanding options and options available for grant under the
Company’s 1998 Stock Incentive Plan), does not exceed 53,918,580 shares. 
  
 12. 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. 
  
 13. 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 

  

 10 

 
books of the Company or to the Company at the address indicated therefor on the signature page of this Warrant. 
  
 14. 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 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. 
  
 15. 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. 
  
 16.
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. 
  
 17. 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. 
  
 18. 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. 
  
 19. Remedies. In case
any one or more of the covenants and agreements contained in this Warrant shall have been breached, the Holder 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. 
  
 20. No Impairment of Rights. The Company will not, by
amendment of its Charter or through any other means, 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. 
  
 21. 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 

  

 11 

 
jurisdiction, or affect any other provision of this Warrant, which shall remain in full force and effect. 
  
 22. 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 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. 
  
 23. 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. 
  

 12 

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

	ATHEROS COMMUNICATIONS, INC.
		
	By	 	 /s/ Richard Redelfs

		
	Title	 	 President & CEO

	
	 Address:  529 Almanor Avenue
                 Sunnyvale, CA
94085

	
	GATX VENTURES, INC.
		
	By	 	 /s/ Robert D. Pomeroy

		
	Title	 	 Senior Vice President

	
	 Address:  3687 Mount Diablo Blvd., Suite 200
                 Lafayette, CA
94549

  

 13 

 EXHIBIT A-1 
  
 NOTICE OF EXERCISE 
  

	To:	ATHEROS COMMUNICATIONS, INC. (the “Company”) 

  
 1. The undersigned hereby: 
  

	 	 ̈	elects to purchase,              shares of [Series C Preferred Stock] [Series D, 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 C Preferred Stock] [Series D 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. 
  

	 Date  
	 	 	 	 	 	 
	 	
	 	 	

	  	 	 	 	 	 	(Signature)

  

 EXHIBIT A-2 
  
 NOTICE OF EXERCISE 
  

	To:	ATHEROS COMMUNICATIONS, 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 C Preferred Stock] [Series D 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 C Preferred Stock] [Series D 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. 
  

	 Date  
	 	 	 	 	 	 
	 	
	 	 	

	  	 	 	 	 	 	(Signature)

  

 EXHIBIT B 
  

CHARTER

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