Document:

TERM C NOTE

$7,500,000

May 30, 2008

On or before the Maturity Date, FOR VALUE RECEIVED, Quantum Fuel Systems Technologies Worldwide, Inc., a Delaware corporation (the "Company"), promises to pay to the order of WB QT, LLC, a Delaware limited liability company ("Lender") at Minneapolis, Minnesota, care of the Agent in lawful money of the United States of America so much of the sum of Seven Million Five Hundred Thousand Dollars ($7,500,000) plus the portion of Accreted Principal Amount in excess thereof calculated in accordance with the provisions of the Credit Agreement, as then be outstanding hereunder pursuant to the Credit Agreement dated as of January 31, 2007 made by and among the Company and certain lenders signatory thereto, including the Lender, and WB QT, LLC as Agent for such lenders, as the same may be amended or otherwise modified from time to time ("Credit Agreement"), together with interest thereon as hereinafter set forth.

The Term Loan C Advance made hereunder shall bear interest at the interest rate from time to time applicable thereto under the Credit Agreement or as otherwise determined thereunder, and interest shall be computed, assessed and payable as set forth in the Credit Agreement.

This Note is a Term C Note under the Credit Agreement.  This Note evidences borrowings under, is subject to, is secured in accordance with, and may be accelerated under, the terms of the Credit Agreement to which reference is hereby made.  This Note may be prepaid without premium or penalty. Capitalized terms used herein, except as defined to the contrary, shall have the meanings given them in the Credit Agreement.

This Note shall be interpreted and the rights of the parties hereunder shall be determined under the laws of, and enforceable in, the State of Minnesota.

Company hereby waives presentment for payment, demand, protest and notice of dishonor and nonpayment of this Note and agrees that no obligation hereunder shall be discharged by reason of any extension, indulgence, release, or forbearance granted by any holder of this Note to any party now or hereafter liable hereon or any present or subsequent owner of any property, real or personal, which is now or hereafter security for this Note.

Nothing herein shall limit any right granted Lender by any other instrument or by law.
QUANTUM FUEL SYSTEMS TECHNOLOGIES WORLDWIDE, INC.

By:/s/ Brian Olson

Name:Brian Olson

Its:CFOAMENDED AND RESTATED TERM B NOTE

$10,000,000

May 30, 2008

On or before the Maturity Date, FOR VALUE RECEIVED, Quantum Fuel Systems Technologies Worldwide, Inc., a Delaware corporation (the "Company"), promises to pay to the order of WB QT, LLC, a Delaware limited liability company ("Lender") at Minneapolis, Minnesota, care of the Agent in lawful money of the United States of America so much of the sum of Ten Million Dollars ($10,000,000) or such higher amount (up to Fifty Two Million Five Hundred Thousand Dollars ($52,500,000)) as determined pursuant to Section 2.3(a) of the Credit Agreement (as defined below), as then be outstanding hereunder pursuant to the Credit Agreement dated as of January 31, 2007 made by and among the Company and certain lenders signatory thereto, including the Lender, and WB QT, LLC as Agent for such lenders, as the same may be amended or otherwise modified from time to time ("Credit Agreement"), together with interest thereon as hereinafter set forth.

The Term Loan B Advance made hereunder shall bear interest at the interest rate from time to time applicable thereto under the Credit Agreement or as otherwise determined thereunder, and interest shall be computed, assessed and payable as set forth in the Credit Agreement.

This Note is a Term B Note under the Credit Agreement.  This Note evidences borrowings under, is subject to, is secured in accordance with, and may be accelerated under, the terms of the Credit Agreement to which reference is hereby made.  This Note may be prepaid in whole or part, without premium or penalty, after January 16, 2010 under the terms of the Credit Agreement.  Capitalized terms used herein, except as defined to the contrary, shall have the meanings given them in the Credit Agreement.

This Note amends and restates an existing Term B Note dated January 16, 2008 in the original principal amount of $10,000,000 (the "Prior Note").  It is expressly intended, understood and agreed that this Note shall replace the Prior Note as evidence of such indebtedness of the Company to the Lender and such indebtedness of the Company to the Lender heretofore represented by the Prior Note shall be considered outstanding hereunder from and after the date hereof and shall not be considered paid (nor shall the Company's obligation to pay the same be considered discharged or satisfied) as a result of the issuance of this Note.

This Note shall be interpreted and the rights of the parties hereunder shall be determined under the laws of, and enforceable in, the State of Minnesota.

Company hereby waives presentment for payment, demand, protest and notice of dishonor and nonpayment of this Note and agrees that no obligation hereunder shall be discharged by reason of any extension, indulgence, release, or forbearance granted by any holder of this Note to any party now or hereafter liable hereon or any present or subsequent owner of any property, real or personal, which is now or hereafter security for this Note.

Nothing herein shall limit any right granted Lender by any other instrument or by law.
QUANTUM FUEL SYSTEMS TECHNOLOGIES WORLDWIDE, INC.

By:/s/ Brian Olson

Name:Brian Olson

Its:CFOWHITEBOX

WHITEBOX

 

 

 

May 30, 2008

Brian Olson, CFO/Treasurer

Quantum Fuel Systems Technology

17872 Cartwright Road

Irvine, CA  92614

Brian Olson-

This letter describes the terms under which Whitebox grants to Quantum the option to call on Whitebox for a further $10,000,000 investment in Quantum.  The option will expire on August 31, 2009.  Should Quantum exercise this option, Whitebox will choose the investment structure most suited to it, either:

	stock at a 25% discount to Market Price with 100% warrant coverage having same strike price as the stock purchase price.  Market Price is the lower of A) average of 5 days closing price ending on the day of exercise of option, or B) closing price on day of exercise of option.

 

	a 2 year secured convertible note, the conversion price equal to a 10% discount to the Market Price, and the coupon equal to 12% payable in stock.

	a senior secured straight note that redeems in cash a 120% of face value after one year.

In exchange for extending the above option to Quantum, Quantum will grant to Whitebox the option to make a $10,000,000 investment in a 0% note priced at 100% of par and redeemable at 120% of par 24 months after the funding date.  The note will be convertible into stock at Market Price.

Accepted by-

Whitebox Advisors LLC

/s/ Andrew Redleaf

Andrew Redleaf

Managing Member of the General Partner

 

Quantum Fuel Systems Technology

/s/ Brian Olson

Brian Olson

CFO/Treasurer

 

 

 

 

3033 Excelsior Boulevard * Suite 300 * Minneapolis, MN 55416

612-253-6001 * fax 612-253-6131 * www.whiteboxadvisors.comQuantum Convertible Note (May 2008) (DT322375-2).DOC

THE SECURITY REPRESENTED BY THIS INSTRUMENT HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT").  ACCORDINGLY, THIS SECURITY MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR PURSUANT TO AN AVAILABLE EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND IN ACCORDANCE WITH APPLICABLE STATE SECURITIES LAWS, AS EVIDENCED BY A LEGAL OPINION OF COUNSEL TO THE TRANSFEROR TO SUCH EFFECT, THE SUBSTANCE OF WHICH SHALL BE REASONABLY ACCEPTABLE TO THE COMPANY.  THIS SECURITY AND THE SECURITIES ISSUABLE UPON CONVERSION OF THIS SECURITY MAY BE PLEDGED IN CONNECTION WITH A BONA FIDE MARGIN ACCOUNT OR OTHER LOAN SECURED BY SUCH SECURITIES.  THE TRANSFER OF THIS SECURITY IS ALSO SUBJECT TO THE CONDITIONS SPECIFIED IN THE NOTE PURCHASE AGREEMENT, DATED AS OF JANUARY 16, 2008, AS AMENDED AND MODIFIED FROM TIME TO TIME, BETWEEN QUANTUM FUEL SYSTEMS TECHNOLOGIES WORLDWIDE, INC. (THE "COMPANY") AND THE PURCHASER PARTY THERETO.  THE COMPANY RESERVES THE RIGHT TO REFUSE THE TRANSFER OF SUCH SECURITY UNTIL SUCH CONDITIONS HAVE BEEN FULFILLED WITH RESPECT TO SUCH TRANSFER.  UPON WRITTEN REQUEST, A COPY OF SUCH CONDITIONS SHALL BE FURNISHED BY THE COMPANY TO THE HOLDER HEREOF WITHOUT CHARGE.

THE SECURITIES REPRESENTED HEREBY ARE SUBJECT TO A CONVERTIBLE NOTE PURCHASE AGREEMENT, DATED AS OF JANUARY 16, 2008, BY AND BETWEEN THE COMPANY AND THE INVESTOR REFERRED TO THEREIN (THE "PURCHASE AGREEMENT"), AND THE HOLDER OF THE NOTE, BY ACCEPTANCE OF THIS NOTE, AGREES TO BE BOUND BY ALL APPLICABLE PROVISIONS OF THE PURCHASE AGREEMENT.  

THIS NOTE AMENDS AND RESTATES AN EXISTING CONVERTIBLE PROMISSORY NOTE DATED JANUARY 16, 2008, IN THE ORIGINAL PRINCIPAL AMOUNT OF $16,195,676.30 (THE "PRIOR NOTE") ISSUED BY THE UNDERSIGNED TO THE ORDER OF WHITEBOX QT, LLC. (THE "HOLDER").  IT IS EXPRESSLY INTENDED, UNDERSTOOD AND AGREED THAT THIS NOTE SHALL REPLACE THE PRIOR NOTE AS EVIDENCE OF SUCH INDEBTEDNESS OF THE UNDERSIGNED TO THE HOLDER, AND SUCH INDEBTEDNESS OF THE UNDERSIGNED TO THE HOLDER HERETOFORE REPRESENTED BY THE PRIOR NOTE, AS OF THE DATE HEREOF, SHALL BE CONSIDERED OUTSTANDING HEREUNDER FROM AND AFTER THE DATE HEREOF AND SHALL NOT BE CONSIDERED PAID (NOR SHALL THE UNDERSIGNED'S OBLIGATION TO PAY THE SAME BE CONSIDERED DISCHARGED OR SATISFIED) AS A RESULT OF THE ISSUANCE OF THIS NOTE.

QUANTUM FUEL SYSTEMS TECHNOLOGIES WORLDWIDE, INC.

AMENDED AND RESTATED

CONVERTIBLE PROMISSORY NOTE

May 30, 2008

$16,195,676.30

QUANTUM FUEL SYSTEMS TECHNOLOGIES WORLDWIDE, INC., a Delaware corporation (the "Company"), hereby promises to pay to the order of WB QT, LLC, a Delaware limited liability company (the "Purchaser"), the principal amount of Sixteen Million, One Hundred Ninety Five Thousand, Six Hundred Seventy Six and 30/100 Dollars ($16,195,676.30) plus the portion of the Accreted Principal Amount (as defined below) in excess thereof together with interest on the Accreted Principal Amount calculated from the date hereof in accordance with the provisions of this Note.  This Note is being issued pursuant to the Note Purchase Agreement, dated as of January 16, 2008 (the "Purchase Agreement"), between the Company and the Purchaser.  The Purchase Agreement contains terms governing the rights of the holder of this Note, and all provisions of the Purchase Agreement are hereby incorporated herein in full by reference, provided that to the extent that the terms and conditions of this Note are different from or in addition to the terms and conditions of the Purchase Agreement, the Purchase Agreement shall be deemed amended hereby to conform to the terms and conditions of this Note.  Unless otherwise indicated herein, capitalized terms used in this Note have the same meanings set forth in the Purchase Agreement.

ARTICLE I

PAYMENT OF INTEREST; CONTINGENT INTEREST

Interest shall accrue on the Accreted Principal Amount (in each case computed on the basis of a 365/366-day year and the actual number of days elapsed in any year) at an annual rate equal to 11.50% (or, from and after any extension of the maturity date of this Note under Section 2.1 below, 9.5%) per annum or (if less) at the highest rate then permitted under applicable law, all of which shall be payable by adding such interest to the Accreted Principal Amount on each Interest Payment Date (as defined below), and on the final maturity hereof (the "PIK Amounts").   At any time, the outstanding principal amount of this Note, including all PIK Amounts and Default PIK Amounts (as defined below) added thereto through such time, is referred to in this Note as the "Accreted Principal Amount."  All accrued interest (including PIK Amounts, Default PIK Amounts and interest on the Accreted Principal Amount) shall be added to the Accreted Principal Amount on the first day of each July and January (each, an "Interest Payment Date") and on the final maturity date of this Note.  Any Accreted Principal Amount (including PIK Amounts and Default PIK Amounts) which for any reason has not theretofore been paid shall increase the principal of the Note and be paid in full on the date on which the final principal payment on this Note is made (the "Default PIK Amounts"); provided that any such reason shall not affect or waive any Event of Default that arises due to the failure to make such payment in cash. However, the Company has the option to elect by written notice to Lender at least five (5) business days prior to each Interest Payment Date to pay a total of 6.5% of the PIK Amounts in cash. Interest shall accrue on any principal payment due under this Note (including as to accrued interest added to the principal) until such time as payment therefor is actually delivered to the holder of this Note.

ARTICLE II

PAYMENT OF PRINCIPAL ON NOTE

Section 2.1Scheduled Payment.  The Company shall pay the Accreted Principal Amount or, if less, the outstanding principal amount of this Note to the holder of this Note on August 1, 2009, together with all accrued and unpaid interest on the principal amount being repaid, notwithstanding anything to the contrary herein including but not limited to the provisions of Section 6.1(c) herein.  At the election of the Purchaser in its sole discretion and upon written notice to the Company no later than May 15, 2009, such maturity date shall be extended until July 1, 2012 (either such date, the "Maturity Date"). 

Section 2.2Conversion.  Notwithstanding any provision contained in this Article 2, the holder of this Note may convert all or any portion of the outstanding principal amount of this Note into shares of common stock, $.001 par value per share, of the Company (the "Common Shares") in accordance with Article 6 until such time as such principal amount has been paid.  

ARTICLE III

[Reserved].

ARTICLE IV

[Reserved].

ARTICLE V

EVENTS OF DEFAULT; REMEDIES ON DEFAULT

Section 5.1Event of Default.  An "Event of Default" shall exist if any of the following conditions or events shall occur and be continuing:
(a)the Company defaults in the payment of principal on the Note when the same becomes due and payable, whether at maturity or at a date fixed for prepayment or by declaration or otherwise and such failure to pay is not cured within three (3) business days after the occurrence thereof; or

(b)the Company defaults in the payment of any interest on the Note for more than five (5) business days after the same becomes due and payable; or

(c)the Company defaults with respect to Section 6.1 of the Purchase Agreement; or

(d)the Company defaults in the performance of, or compliance with, any other term contained in the Purchase Agreement or the Note (other than those referred to in Section 5.1(a), (b) or (c) above) and the default is not remedied within thirty (30) days after the earlier of (i) the Chief Executive Officer or the Chief Financial Officer obtaining actual knowledge of the default and (ii) the Company receiving written notice of the default from the holder of this Note (any such written notice to be identified as a "notice of default" and to refer specifically to this Section 5.1(d)); or

(e)any representation or warranty made by the Company in Article IV of the Purchase Agreement proves to have been false in any material respect on the Closing Date; or 

(f)the Company (i) is generally not paying, or admits in writing its inability to pay its debts as they become due (ii) files, or consents by answer or otherwise to the filing against it of, a petition for relief or reorganization or arrangement or any other petition in bankruptcy, for liquidation or to take advantage of any bankruptcy, insolvency, reorganization, moratorium or other similar law of any jurisdiction, (iii) makes an assignment for the benefit of its creditors, (iv) consents to the appointment of a custodian, receiver, trustee or other officer with similar powers with respect to it or with respect to any substantial part of its property or (v) is adjudicated as insolvent or to be liquidated; or

(g)a court or Governmental Authority of competent jurisdiction enters an order appointing, without consent by the Company, a custodian, receiver, trustee or other officer with similar powers with respect to it or with respect to any substantial part of its property, or constituting an order for relief or approving a petition for relief or reorganization or any other petition in bankruptcy or for liquidation or to take advantage of any bankruptcy or insolvency law of any jurisdiction, or ordering the dissolution, winding-up or liquidation of the Company, or any such petition shall be filed against the Company and such petition shall not be dismissed within thirty (30) days; or

(h)an Event of Default (as defined in the Credit Agreement) shall have occurred and be continuing and shall not have been waived by the requisite holders of Indebtedness under the Credit Agreement or cured.

Section 5.2Acceleration.
(a)If an Event of Default with respect to the Company described in subsection (f) of Section 5.1 has occurred, the Note shall automatically become immediately due and payable.

(b)If any other Event of Default has occurred and is continuing, the holder of the Note may at any time at his, her or its option, by notice to the Company, declare the Note to be immediately due and payable.  

(c)Upon the Note becoming due and payable under this Section 5.2, whether automatically or by declaration, the Note will forthwith mature and the entire unpaid principal amount of the Note, plus all accrued and unpaid interest thereon, shall all be immediately due and payable, in each and every case without presentment, demand, protest or further notice, all of which are hereby waived.

Section 5.3Other Remedies.  If any Event of Default has occurred and is continuing, and irrespective of whether the Note has become or has been declared immediately due and payable under Section 5.1, the holder of the Note may proceed to protect and enforce the rights of such holder by an action at law, suit in equity or other appropriate proceeding, whether for the specific performance of any agreement contained herein, or for an injunction against a violation of any of the terms hereof or thereof, or in aid of the exercise of any power granted hereby or thereby or by law or otherwise.

Section 5.4No Waivers or Election of Remedies; Expenses.  No course of dealing and no delay on the part of the holder of the Note in exercising any right, power or remedy shall operate as a waiver thereof or otherwise prejudice such holder's rights, powers or remedies.  The Company shall pay the principal and interest of the Note without any deduction for any setoff or counterclaim.  No right, power or remedy conferred by the Purchase Agreement or by the Note upon the holder thereof shall be exclusive of any other right, power or remedy referred to herein or therein or now or hereafter available at law, in equity, by statute or otherwise.  The Company will pay to the holder of the Note on demand such further amount as shall be sufficient to cover all reasonable costs and expenses of such holder incurred in any enforcement or collection under this Article 5, including, without limitation, reasonable attorneys' fees, expenses and disbursements.

Section 5.5Waiver of Demand.  The Company hereby waives diligence, presentment, protest and demand and notice of protest and demand, dishonor and nonpayment of this Note, and expressly agrees that this Note, or any payment hereunder, may be extended from time to time and that the holder hereof may accept security for this Note or release security for this Note, all without in any way affecting the liability of the Company hereunder.

ARTICLE VI

CONVERSION

Section 6.1Conversion Procedure.

(a)(i) At any time prior to the payment of this Note in full, the holder of this Note may convert all or any portion of the outstanding principal and/or accrued interest amount of this Note (including any Accreted Principal Amount, PIK Amounts and Default PIK Amounts) into a number of Common Shares (excluding any fractional share) determined by dividing the principal and/or Accreted Principal Amount (including PIK Amounts and Default PIK Amounts) designated by such holder to be converted, by the Conversion Price then in effect; provided, however, that until the expiration of six (6) months from the date hereof, the holder of this Note may only convert up to $8,000,000 of the principal and/or Accreted Principal Amount (including PIK Amounts and Default PIK Amounts) of the Note; provided further, that any conversions effected on any Trading Day on which the Common Shares are trading at a price in excess of $2.50 per share on the Nasdaq Stock Market (or any other market on which the Common Shares are then traded) shall not count against the $8,000,000 conversion limit; and provided further, that the $8,000,000 conversion limit shall no longer apply after six (6) months from the date hereof. 
(ii)  In addition, upon conversion, the holder of this Note shall be entitled to receive the sum of each coupon that would otherwise have been paid on the portion of the Note being converted between the Conversion Date (as defined in subsection (b) below) and the Maturity Date (which, for purposes of this calculation, shall be deemed to be July 1, 2012) (such amount, the "Make-Whole Amount"), and such Make-Whole Amount shall be payable in Common Shares in the manner and amounts set forth in Exhibit A attached hereto.  

For the avoidance of doubt, the holder of this Note shall be entitled to receive, upon conversion of this Note, Common Shares equal to the sum of (x) the principal amount being converted (including any PIK Amounts and Default PIK Amounts) divided by the Conversion Price then in effect plus (y) the Make-Whole Amount divided by $1.50 (as adjusted for any stock dividends, stock splits or Organic Change described in Section 6.5 below), in the manner and amounts set forth in Exhibit A attached hereto.

(b)Except as otherwise expressly provided herein, each conversion of this Note shall be deemed to have been effected as of the close of business on the date on which this Note has been surrendered for conversion at the principal office of the Company (such date, the "Conversion Date").  At such time as such conversion has been effected, the rights of the holder of this Note as such holder to the extent of the conversion shall cease, and the Person or Persons in whose name or names any certificate or certificates for Common Shares are to be issued upon such conversion shall be deemed to have become the holder or holders of record of the Common Shares represented thereby.

(c)Notwithstanding anything herein to the contrary, the Company may not issue, upon conversion of this Note, a number of Common Shares which, when aggregated with any Common Shares issued to the Purchaser on or after the date hereof and prior to such Conversion Date in connection with any notes issued pursuant to the Credit Agreement, would exceed 19.99% of the Company's issued and outstanding Common Shares as of the date of issuance of such Common Shares in violation of the Marketplace Rules of the Nasdaq Stock Market (such number of shares, the "Issuable Maximum").

(d)As soon as possible after a conversion has been effected (but in any event within five (5) business days of the Conversion Date), the Company shall deliver to the converting holder:

	a certificate or certificates representing the number of Common Shares (excluding any fractional share) issuable by reason of such conversion (including any Accreted Principal Amount, PIK Amounts, Default PIK Amounts and Make-Whole Amount) in such name or names and such denomination or denominations as the converting holder has specified;
	such number of Common Shares as shall be determined by dividing (x) the Accreted Principal Amount (plus any PIK Amount and Default PIK Amounts) with respect to the principal amount converted, plus the amount payable under subsection (e) below, by (y) the Conversion Price; 
	such number of Common Shares as shall be determined by dividing (x) the Make-Whole Amount with respect to the principal amount converted, by (y) $1.50 (as adjusted for any stock dividends, stock splits or Organic Change described in Section 6.5 below); and
	a new Note representing any portion of the principal amount which was represented by the Note surrendered to the Company in connection with such conversion but which was not converted or which could not be converted because it would have required the issuance of a fractional share of Common Shares;

provided, however, that for purposes of this Section 6.1(d), the Company shall only be entitled to deliver Common Shares to the converting holder if such Common Shares would not be in excess of the Issuable Maximum or otherwise cause the converting holder to exceed the Beneficial Ownership Limitation.  

(e)If any fractional share of Common Shares would, except for the provisions hereof, be deliverable upon conversion of this Note, the Company, in lieu of delivering such fractional share, shall in the event the conversion is being consummated in connection with repayment in full of the Note, pay in cash an amount equal to the Market Price of such fractional share as of the date of such conversion.

(f)The issuance of certificates for Common Shares upon conversion of this Note shall be made without charge to the holder hereof for any issuance tax in respect thereof or other cost incurred by the Company in connection with such conversion and the related issuance of Common Shares.  Upon conversion of this Note, the Company shall take all such actions as are necessary in order to insure that the Common Shares issuable with respect to such conversion shall be validly issued, fully paid and nonassessable.

(g)The Company shall not close its books against the transfer of Common Shares issued or issuable upon conversion of this Note in any manner which interferes with the timely conversion of this Note.

(h)The Company shall not effect any conversion of this Note, and the holder shall not have the right to convert any portion of this Note, to the extent that after giving effect to the conversion set forth on the applicable Notice of Conversion, the holder (together with such holder's affiliates, and any other person or entity acting as a group together with the holder or any of its affiliates) would beneficially own in excess of the Beneficial Ownership Limitation (as defined below).  For purposes of the foregoing sentence, the number of shares of Common Stock beneficially owned by the holder and its affiliates shall include the number of shares of Common Stock issuable upon conversion of this Note with respect to which such determination is being made, but shall exclude the number of shares of Common Stock which are issuable upon (A) conversion of the remaining, unconverted principal amount of this Note beneficially owned by the holder or any of its affiliates and (B) exercise or conversion of the unexercised or unconverted portion of any other securities of the Company  subject to a limitation on conversion or exercise analogous to the limitation contained herein (including, without limitation, any other Notes) beneficially owned by the holder or any of its affiliates.  Except as set forth in the preceding sentence, for purposes of this Section 6.1(h), beneficial ownership shall be calculated in accordance with Section 13(d) of the Securities Exchange Act of 1934 and the rules and regulations promulgated thereunder.  To the extent that the limitation contained in this Section 6.1(h) applies, the determination of whether this Note is convertible (in relation to other securities owned by the holder together with any affiliates) and of which principal amount of this Note is convertible shall be in the sole discretion of the holder, and the submission of a Notice of Conversion shall be deemed to be the holder's determination of whether this Note may be converted (in relation to other securities owned by the holder together with its affiliates) and which principal amount of this Note is convertible, in each case subject to such aggregate percentage limitations. To ensure compliance with this restriction, the holder will be deemed to represent to the Company each time it delivers a Notice of Conversion that such Notice of Conversion has not violated the restrictions set forth in this paragraph, and the Company shall have no obligation to verify or confirm the accuracy of such determination.  In addition, a determination as to any "group" status as contemplated above shall be determined in accordance with Section 13(d) of the Securities Exchange Act of 1934 and the rules and regulations promulgated thereunder.   For purposes of this Section 6.1(h), in determining the number of outstanding shares of Common Stock, the holder may rely on the number of outstanding shares of Common Stock as stated in the most recent of the following: (A) the Company's most recent Quarterly Report on Form 10-Q or Annual Report on Form 10-K, as the case may be; (B) a more recent public announcement by the Company; or (C) a more recent notice by the Company or the Company's transfer agent setting forth the number of shares of Common Stock outstanding.  Upon the written or oral request of the holder, the Company shall within two Trading Days confirm orally and in writing to the holder the number of shares of Common Stock then outstanding.  In any case, the number of outstanding shares of Common Stock shall be determined after giving effect to the conversion or exercise of securities of the Company, including this Note, by the holder or its affiliates since the date as of which such number of outstanding shares of Common Stock was reported. The "Beneficial Ownership Limitation" shall be 9.99% of the number of shares of the Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion of this Note held by the holder.  The Beneficial Ownership Limitation provisions of this Section 6.1(h) may be waived by the holder, at the election of the holder, upon not less than 61 days' prior notice to the Company, to change or eliminate the Beneficial Ownership Limitation.  The limitations contained in this paragraph shall apply to a successor holder of this Note.  

Section 6.2Conversion Price.  The initial Conversion Price shall be $1.35.  To address dilution of the conversion rights granted under the Notes, the Conversion Price shall be subject to adjustment from time to time pursuant to Sections 6.3, 6.4 and 6.5.

Section 6.3[Reserved].  

Section 6.4Subdivision or Combination of Common Stock.  If the Company at any time subdivides (by any share split, share dividend or otherwise) one or more classes of its outstanding Common Shares into a greater number of shares, the Conversion Price in effect immediately prior to such subdivision shall be proportionately reduced, and if the Company at any time combines (by reverse share split or otherwise) one or more classes of its outstanding Common Shares into a smaller number of shares, the Conversion Price in effect immediately prior to such combination shall be proportionately increased.

Section 6.5Reorganization, Reclassification, Consolidation, Merger or Sale.  Any recapitalization, reorganization, reclassification, consolidation, merger, sale of all or substantially all of the Company's assets or other transaction, which in each case is effected in such a manner that holders of Common Shares are entitled to receive (either directly or upon subsequent liquidation) stock, securities or assets with respect to or in exchange for Common Shares is referred to herein as an "Organic Change." Prior to the consummation of any Organic Change, the Company shall make lawful and adequate provision (in form and substance satisfactory to the holder of the Note) to insure that the holder of the Note shall thereafter have the right to acquire and receive, in lieu of or addition to (as the case may be) Common Shares immediately theretofore acquirable and receivable upon the conversion of the holder's Note, such shares of stock, securities or assets as may be issued or payable with respect to or in exchange for the number of Common Shares immediately theretofore acquirable and receivable upon conversion of the holder's Note had such Organic Change not taken place.  In any such case, appropriate provision (in form and substance satisfactory to the holder of the Note) shall be made with respect to the holder's rights and interests to insure that the provisions of this Article 6 shall thereafter be applicable in relation to any shares of stock, securities or assets thereafter deliverable upon the conversion of the Note (including, in the case of any such consolidation, merger or sale in which the successor entity or purchasing entity is other than the Company, an immediate adjustment of the Conversion Price to the value for the Common Shares reflected by the terms of such consolidation, merger or sale, and a corresponding immediate adjustment in the number of Common Shares acquirable and receivable upon conversion of the Note, if the value so reflected is less than the Conversion Price in effect immediately prior to such consolidation, merger or sale).  The Company shall not effect any such consolidation, merger or sale, unless prior to the consummation thereof, the successor entity (if other than the Company) resulting from consolidation or merger or the entity purchasing such assets assumes by written instrument (in form reasonably satisfactory to the holder of the Note), the obligation to deliver to each the holder such shares of stock, securities or assets as, in accordance with the foregoing provisions, the holder may be entitled to acquire.

Section 6.6Notices.
(a)Immediately upon any adjustment of the Conversion Price, the Company shall send written notice thereof to the holder of this Note, setting forth in reasonable detail and certifying the calculation of such adjustment.

(b)The Company shall send written notice to the holder of this Note at least twenty (20) days prior to the date on which the Company closes its books or takes a record (i) with respect to any dividend or distribution upon the Common Shares, (ii) with respect to any pro rata subscription offer to holders of Common Shares or (iii) for determining rights to vote with respect to any Organic Change, dissolution or liquidation.

(c)The Company shall also give at least twenty (20) days prior written notice to the holder of this Note of the date on which any Organic Change, dissolution or liquidation shall take place.

ARTICLE VII

AMENDMENT AND WAIVER

The provisions of the Note may be amended with the holder's consent and the Company may take any action herein prohibited, or omit to perform any act herein required to be performed by it, in the manner provided in the Purchase Agreement.

ARTICLE VIII

CANCELLATION

After all principal and accrued interest at any time owed on this Note has been paid in full or this Note has been converted in full to Common Shares or other property, this Note shall be surrendered to the Company for cancellation and shall not be reissued.

ARTICLE IX

PAYMENTS

This Note is payable without relief from valuation or appraisement laws.  All payments to be made to the holder of the Note shall be made in (i) the lawful money of the United States of America in immediately available funds or (ii) Common Shares; provided, that with respect to any Common Shares issuable hereunder shall be exempt from registration pursuant to Section 4(2) or Regulation D of the Securities Act and may be resold pursuant to the requirements of Rule 144 of the Securities Act (subject to any applicable holding periods thereunder); and provided further, that the Company shall not have the right to pre-pay outstanding principal of the Note without the consent of the holder of the Note.

ARTICLE X

PLACE OF PAYMENT

Payments of principal and interest shall be delivered to the Purchaser in care of Whitebox Advisors, LLC (attention:  Jonathan Wood, Chief Financial Officer) at the following address:  3033 Excelsior Boulevard, Suite 300, Minneapolis, Minnesota 55416 or to such other address or to the attention of such other person as specified by prior written notice to the Company.

ARTICLE XI

GOVERNING LAW
(a)THIS NOTE AND ALL ISSUES HEREUNDER AND THEREUNDER SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE INTERNAL LAWS OF THE STATE OF MINNESOTA (WITHOUT REGARD TO PRINCIPLES OF CONFLICTS OF LAW), EXCEPT TO THE EXTENT THE AUTHORIZATION AND ISSUANCE OF THE COMPANY'S COMMON SHARES ARE GOVERNED BY DELAWARE LAW.

(b)The parties agree that the federal and state courts in Minneapolis, Minnesota shall have exclusive personal jurisdiction (and are deemed to be a convenient forum for each party) as to resolution of any dispute; except that either party may enforce an order issued by any such court in other jurisdictions.

(c)EACH PARTY HERETO IRREVOCABLY WAIVES ALL RIGHT OF TRIAL BY JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT OR ANY MATTER ARISING HEREUNDER INCLUDING ANY DISPUTE BETWEEN THE HOLDER HEREOF AND THE HOLDER OF ANY SENIOR INDEBTEDNESS.

IN WITNESS WHEREOF, the Company has executed and delivered this Note on this 30th day of May, 2008.
QUANTUM FUEL SYSTEMS TECHNOLOGIES WORLDWIDE, INC.

By:  /s/ Brian Olson

Name:  Brian Olson

Title:  CFO

EXHIBIT A

MAKE-WHOLE PAYMENTS

The following table delineates the number of Common Shares that shall be issuable to the holder of the Note per $1,000,000 principal amount of the Note converted hereunder.  The "coupon date" referenced in the table below assumes conversion occurring on or prior to the date indicated in such column:

	
Interest Rate
	
Coupon Date
	
Interest Amount Due
	
Interest left to be paid
	
Number of additional shares (1)

	
11.5
	
1-Jul-08
	
57,500
	
457,500
	
305,000

	
11.5
	
1-Jan-09
	
57,500
	
400,000
	
266,667

	
11.5
	
1-Jul-09
	
57,500
	
342,500
	
228,333

	
9.5
	
1-Jan-10
	
47,500
	
285,000
	
190,000

	
9.5
	
1-Jul-10
	
47,500
	
237,500
	
158,333

	
9.5
	
1-Jan-11
	
47,500
	
190,000
	
126,667

	
9.5
	
1-Jul-11
	
47,500
	
142,500
	
95,000

	
9.5
	
1-Jan-12
	
47,500
	
95,000
	
63,333

	
9.5
	
1-Jul-12
	
47,500
	
47,500
	
31,667

	
	
	
	
	

	
	
Total
	
457,500
	
	

(1) The number of additional shares is based on a price of $1.50, which shall be subject to adjustment based on certain stock dividends, stock splits or Organic Change described under the terms of the Note.

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