Document:

First Amendment dated as of July 26, 2007 to the Lease dated November 26, 2006

 Exhibit 10.28 
 FIRST AMENDMENT TO 
 STANDARD INDUSTRIAL/COMMERCIAL 
 MULTI-TENANT LEASE—MODIFIED NET 
 This FIRST AMENDMENT TO STANDARD INDUSTRIAL/COMMERCIAL MULTI-TENANT LEASE—MODIFIED NET (“Amendment”) is dated as of July 26, 2007, by and between LBA REALTY FUND II—WBP II, LLC, a Delaware limited liability company
(“Lessor”), as successor-in-interest to Bedford Property Investors, Inc. (“Bedford”), and LESLIE’S POOLMART, INC., a Delaware corporation (“Lessee”), formerly LESLIE’S POOLMART (INC.), a California corporation
(“Corporation”). 
 R E C I T A L S: 
 A. Bedford and Corporation entered into that certain Standard Industrial/Commercial Multi-Tenant Lease—Modified Net dated November 26, 1996
(the “Lease”), pursuant to which Lessor currently leases to Lessee that certain space known as 1595 Dupont Avenue, Ontario, California (the “Premises”). The Building is part of the development known as Dupont Industrial Center
(the “Project”). The Premises contains approximately 183,244 aggregate square feet of Rentable Area. Lessor has succeeded to Bedford’s interest as Lessor under the Lease. Corporation has merged out of existence into LESLIE’S
POOLMART, INC., a Delaware corporation. 
 B. Defined terms which are used in this Amendment without definition have the meanings given to
them in the Lease. 
 C. Lessee exercised, by written notice dated as of July 21, 2006 (the “Extension Notice”), Lessee’s
first of two (2) options to renew the Lease, and Lessee and Lessor hereby agree to extend the Original Term of the Lease for one (1) period of five (5) years upon the terms and conditions set forth below. Lessee and Lessor have agreed
to modify and extend the first option term to ninety-five (95) months. 
 A G R E E M E
N T: 
 NOW, THEREFORE, in consideration of the foregoing Recitals, the mutual covenants and agreements contained in this
Amendment and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, Lessor and Lessee hereby agree as follows: 
 1. First Extended Term. Lessor and Lessee agree that the Term of the Lease which expired January 31, 2007 shall be extended for ninety-five (95) months (the “First Extended Term”),
commencing as of February 1, 2007 (the “Extended Term Commencement Date”) and expiring on December 31, 2014, unless sooner terminated pursuant to the terms of the Lease. Lessee shall have the right to extend the First Extended
Term for one (1) remaining additional and consecutive period of five (5) years upon written notice to Lessor delivered not more than twelve (12) months, and not less than nine (9) months, prior to the First Extended Term
expiration date and otherwise upon the terms and conditions as set forth in Paragraph 18 of the Addendum to Lease dated November 26, 1996. 
 2. Base Rent. Effective as of the Extended Term Commencement Date and during the First Extended Term, Lessee shall pay Base Rent for the Premises to Lessor in accordance with the following schedule: 
  

				
	 Lease Period (in Months)*
	  	Base Rent per Month
	 01-12
	  	$	21,646.58
	 13-30
	  	$	64,135.40
	 31-54
	  	$	67,342.17
	 55-78
	  	$	70,709.28
	 79-95
	  	$	74,244.75

	*	Measured from the Extended Term Commencement Date 

 3.
Condition of Premises: Allowance for Lessee’s Work. Lessor shall have no obligation whatsoever to alter or improve the condition of the Premises and Lessee hereby 

 accepts the Premises “AS IS”. Notwithstanding the above and subject to Lessee’s execution of this
Amendment, within thirty (30) days after the date hereof, Lessor shall pay to Lessee an allowance in the amount of Two Hundred Twenty-Five Thousand and no/100 Dollars ($225,000.00) for improvements to the Premises previously performed by
Lessee. 
 4. Lessee’s Pro Rata Share. As of the Extended Term Commencement Date and continuing for the duration of the First
Extended Term, Lessee occupies 100% of the Building and Lessee’s Pro Rata Share of the Project is 40.6%, based upon 183,244 square feet of Rentable Area in the Premises and 451,192 total square feet of Rentable Area in the Project. 

5. Right to Lease Additional Space. 
 (a) Subject to the terms of this Paragraph 5, Lessee shall have an on-going right to lease (“Lessee’s Right to Lease”) additional space in the Project to the extent such space becomes available for lease to third
parties during the First Extended Term and following the expiration of any lease for such space, including the expiration of all renewal or extension options (“First Offer Space”). Lessee’s Right to Lease is subject and
subordinate to the current rights of all other existing tenants of the Building or Project with prior expansion or lease rights relative to any First Offer Space and Lessee’s Right to Lease is superior to future rights granted to future tenants
of the Building or Project relative to any First Offer Space. 
 (b) Upon written request from Lessee, Lessor will give Lessee written notice
of any qualified First Offer Space in the Project which is then available or is expected to come available within six (6) months after the date of Lessee’s request and the date the existing tenant or occupant, if any, is expected to vacate
such space (“Lessor’s Availability Notice”). Within five (5) days following delivery of Lessor’s Availability Notice, Lessee will have the right to request from Lessor in writing a written statement setting forth the
basic economic terms, including, but not limited to, Lessor’s determination of the fair market rent, tenant improvement allowance, if any, and all other economic terms and conditions (collectively, the “Economic Terms”), upon
which Lessor is willing to lease the First Offer Space desired by Lessee, either to Lessee or to a third party effective at such time as such First Offer Space actually becomes available for occupancy. Such Economic Terms will represent
Lessor’s reasonable determination of the fair market rental rate for such First Offer Space. Notwithstanding the foregoing, the Lease Term as to any First Offer Space shall be coterminous with the Lease Term with respect to the Premises as the
same may be extended. 
 (c) Within fifteen (15) days after receipt of the Economic Terms from Lessor, Lessee must give Lessor written
notice pursuant to which Lessee shall elect to either: (i) lease such First Offer Space upon such Economic Terms and the same non-Economic Terms as set forth in the Lease with respect to the Premises; (ii) refuse to lease such First Offer
Space, specifying that such refusal is not based upon the Economic Terms, but upon Lessee’s lack of need for such First Offer Space, in which event Lessor may at any time thereafter lease such First Offer Space to any party upon any terms
Lessor deems appropriate; or (iii) refuse to lease the First Offer Space, specifying that such refusal is based upon the Economic Terms, in which event Lessee will also specify revised Economic Terms upon which Lessee is willing to lease such
First Offer Space (provided that Lessee may not specify a different lease term for the First Offer Space). Lessee’s failure to timely choose either clause (i), clause (ii) or clause (iii) above will be deemed to be Lessee’s
choice of clause (ii) above. 
 (d) If Lessee gives Lessor notice pursuant to clause (c)(iii) above, Lessor may elect, within five
(5) days following receipt of such notice from Lessee, either to: (i) lease such First Offer Space to Lessee upon such revised Economic Terms proposed by Lessee (or such other economic terms as to which the parties may agree within such
time period), and the same other non-Economic Terms as set forth in the Lease as amended hereby; or (ii) lease the First Offer Space at any time thereafter to any third party upon terms which are not substantially more favorable to said party
than the Economic Terms last proposed by Lessee. Lessor’s failure to timely choose either clause (i) or clause (ii) above will be deemed to be Lessor’s choice of clause (ii) above. 
 (e) If Lessee chooses (or is deemed to have chosen) clause (c)(ii) above, or if Lessor chooses (or is deemed to have chosen) clause (d)(ii) above,
Lessee’s Right to Lease any First Offer Space will be null and void and of no further force or effect; provided, however, that if Lessor intends to enter into a lease with a third party for the First Offer Space upon Economic Terms which are
more favorable than the Economic Terms last proposed by Lessee, then, before leasing the First Offer Space to such third party, Lessor shall first give Lessee written notice of the Economic Terms of such proposed lease, and Lessee shall have a
period of five (5) days after receipt of such notice within which to accept and agree to lease the First Offer Space upon such more favorable Economic Terms or Lessor shall be free to lease the First Offer Space to such third party on such more
favorable terms and Lessee’s Right to Lease 
  

 -2- 

 such First Offer Space will be null and void and of no further force or effect. If Lessee exercises it’s Right to
Lease as provided herein, the parties will promptly thereafter execute an amendment to this Lease to include the First Offer Space in the Premises and to document the lease terms thereof. If Lessor is required to furnish Improvements for the First
Offer Space, rent for the First Offer Space shall be due and payable upon the earlier of the date of substantial completion of any Lessee improvements for the First Offer Space or the date Lessee first occupies the First Offer Space. 
 (f) As provided above, Lessee’s Right to Lease is subject to all expansion and extension rights and other rights to lease, as applicable, which
Lessor has granted to other tenants prior to the date of this Lease. Thus, Lessor’s Economic Terms will be delivered to Lessee only after Lessor has appropriately notified and received negative responses from all other tenants with rights in
the First Offer Space superior to Lessee’s rights. 
 6. Hazardous Substances: Within ten (10) business days of the
execution of this Amendment, Lessee shall execute and deliver to Lessor the Environmental Questionnaire in form of Exhibit “A” attached hereto. Attached hereto as Exhibit “B” is a list of chemicals currently
utilized by Lessee at the Premises. This list shall supersede any list of chemicals previously provided by Lessee in the Lease. 
 7.
Lessor and Lessor’s Notice Address; Lessor and Lessee hereby acknowledge and confirm the Lessor under the Lease is hereby amended to LBA REALTY FUND II—WBP III, LLC, a Delaware limited liability company. Lessor’s addresses for
notices and payment of rent set forth in the Lease as amended are hereby deleted and replaced by the following addresses. 
 LBA REALTY FUND II—WBP III, LLC 
 c/o LBA Realty 
 17901 Von Karman Avenue, Suite 950 
 Irvine, California 92614 
 Attention: Asset Manager—Dupont Industrial Center 

For payment of rent: 
 LBA REALTY FUND II—WBP III, LLC 
 P.O. Box 51364 
 Los Angeles, California 90051-5594 
 8. Lessee and Lessee’s Notice Address: Lessee’s address for notices is as follows: 
 LESLIE’S
POOLMART, INC. 
 3925 East Broadway Road, Suite 100 
 Phoenix, Arizona 85040-2976 
 Attention: Director of Real Estate & General Counsel 
 9. Broker(s): Lessor and Lessee
acknowledge that Cushman and Wakefield, Inc. (“Broker”) is representing Lessee in this transaction and shall be paid a commission by Lessor pursuant to Lessor’s separate agreement with Broker. Lessor and Lessee each represents and
warrants to the other that neither it nor its officers or agents nor anyone acting on its behalf has dealt with any real estate broker other than Broker in the negotiating or making of this Amendment, and each party agrees to indemnify and hold
harmless the other from any claim or claims, and costs and expenses, including attorneys’ fees, incurred by the indemnified party in conjunction with any such claim or claims of any other broker or brokers to a commission in connection with
this Amendment as a result of the actions of the indemnifying party. 
 10. No Other Modification. Lessor and Lessee agree that except
as otherwise specifically modified in this Amendment, the Lease and Addendum to Lease have not been modified, supplemented, amended, or otherwise changed in any way and the Lease remains in full force and effect between the parties hereto as
modified by this Amendment. To the extent of any inconsistency between the terms and conditions of the Lease and the terms and conditions of this Amendment, the terms and conditions of this Amendment shall apply and govern the parties. This
Amendment may be executed in counterparts, each of which shall be deemed an original, but all of which, together, shall constitute one in the same Amendment. 
  

 -3- 

 IN WITNESS WHEREOF, the parties have executed this Amendment as of the date set forth above. 

 

									
	 LESSEE:
	  		 	LESSOR:
			
	 LESLIE’S POOLMART, INC.,
	  		 	LBA REALTY FUND II–WBP II, LLC
	 a Delaware corporation
	  		 	a Delaware limited liability company
					
	 By:
	 	 /s/ Steven L. Ortega
	  		 	By:	 	 /s/ Phil A. Belling

	 Print Name:
	 	 STEVEN L. ORTEGA
	  		 	Print Name:	 	Phil A. Belling
	 Print Title:
	 	 EVP & CFO
	  		 	Print Title:	 	Authorized Signatory

  

 -4-First Amendment to Credit Agreement

 Exhibit 10.2 
 Execution Copy 
 FIRST AMENDMENT TO CREDIT AGREEMENT 
 This FIRST AMENDMENT TO CREDIT AGREEMENT (this “Amendment”) made and entered into as of September 13, 2007, is by and
between Quantum Fuel Systems Technologies Worldwide, Inc., a Delaware corporation (the “Borrower”), the Lenders party to the Credit Agreement (as defined below), and WB QT, LLC, a Delaware limited liability company, a Lender and as
agent for the Lenders (in such capacity, the “Agent”). 
 RECITALS 
 1. The Lenders, the Agent and the Borrower entered into a Credit Agreement dated as of January 31, 2007 (the “Credit Agreement”);
and 
 2. The Borrower desires to amend certain provisions of the Credit Agreement, and the Lenders have agreed to make such amendments,
subject to the terms and conditions set forth in this Amendment. 
 AGREEMENT 
 NOW, THEREFORE, for good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, the parties hereto hereby covenant
and agree to be bound as follows: 
 Section 1. Capitalized Terms. Capitalized terms used herein and not otherwise defined
herein shall have the meanings assigned to them in the Credit Agreement, unless the context shall otherwise require. 
 Section 2.
Amendments. The Credit Agreement is hereby amended as follows: 
 2.1 Definitions. The
definition of “Borrowing Base” contained in Section 1.1 of the Credit Agreement is amended to read its entirety as follows: 
 “Borrowing Base” shall mean, as of any date of determination thereof, an amount equal to the sum of (i) eighty five percent (85%) of Eligible Accounts plus (ii) the lesser of
(A) (1) forty-five percent (45%) of Eligible Inventory until the earlier of (x) the date the Borrowers give the Agent notice pursuant to Section 2.6 of its option to reduce such availability rate to 30% and
(y) October 1, 2008, and (2) thirty percent (30%) of Eligible Inventory thereafter, and (B) Ten Million Six Hundred Thirty Seven Thousand Five Hundred Dollars ($10,637,500); provided however, to the extent the aggregate
Eligible Accounts with respect to Borrowing Base Obligors that are not Lockbox Obligors exceeds Three Million Dollars ($3,000,000) as of any date of determination, such excess shall not be included in the calculation of section (i) above;
provided further, that the Borrowing Base shall be determined on the basis of the most current Borrowing Base 

 Certificate required to be submitted hereunder, provided, further, that the amount determined as the
Borrowing Base shall be subject to any reserves for contras/offsets, potential offsets due to customer deposits, and such other reserves as reasonably established by the Agent, at the direction or with the concurrence of the Majority Lenders from
time to time, including, without limitation any reserves or other adjustments established by Agent or the Majority Lenders on the basis of any collateral audits conducted hereunder, all in accordance with ordinary and customary asset-based lending
standards, as reasonably determined by Agent and the Majority Lenders. In the event that Agent, at any time in its sole discretion, determines that the dollar amount of Eligible Accounts collectable by a Borrowing Base Obligor is reduced or diluted
as a result of discounts or rebates granted by a Borrowing Base Obligor to the respective Account Debtor(s), returned or rejected Inventory or services, or such other reasons or factors as Agent reasonably deems applicable, all in accordance with
ordinary and customary asset-based lending standards, as reasonably determined by Agent and the Majority Lenders, Agent may, in its sole discretion, upon five (5) Business Days’ prior written notice to the Company, reduce or otherwise
modify the percentage of Eligible Accounts included within the Borrowing Base and/or reduce the dollar amount of Eligible Accounts by an amount determined by Agent in its sole discretion. 
 2.2 Term Loan. Section 2.3(b) of the Credit Agreement is amended by amending the last paragraph thereof to read in
its entirety as follows: 
 Notwithstanding anything to the contrary in this Agreement, amounts due under
Section 2.3(b)(i) may be made in common stock of the Company upon 30 days prior written notice to the Agent. When making any payment under Section 2.3(b)(i) using common stock of the Company, the value of such stock shall determined based
on the lower of (A) 95% of the closing price for such stock on the Business Day immediately prior to the date of such payment, or (B) 95% of the average closing price for such stock for the five (5) Business Days immediately prior to
the date of such payment; provided, that the Company may not make payment under Section 2.3(b)(i) using common stock of the Company unless (A) such common stock is registered with the Securities and Exchange Commission under the Securities
Act of 1933 and is freely tradable and (B) the closing price for such stock on the Business Day immediately prior to the date of such payment was greater than $1 per share. 
 2.3 Interest; Interest Payment. Section 2.6 of the Credit Agreement is amended to read in its entirety as follows:

 2.6 Interest; Interest Payments. Interest on the unpaid balance of all Advances from time to time outstanding shall
accrue from the date of such Advance to the date repaid, at a per annum interest rate equal to (a) the greater of (i) ten percent (10%) and (ii) the sum of the Prime Rate plus 3% through September 30, 2007, (b) twelve
percent (12%) commencing on October 1, 2007 through the earlier of (A) the date the Borrower, upon 30 days prior written notice 
  

 - 2 - 

 to the Agent, elects to reduce the availability rate for Eligible Inventory to thirty percent
(30%) and (B) September 30, 2008, and (c) thereafter, the greater of (x) ten percent (10%), and (y) the sum of the Prime Rate plus 3%, and shall be payable in immediately available funds on the first day of each month
commencing on March 1, 2007. Interest shall be computed on the basis of a 360 day year and assessed for the actual number of days elapsed, and in such computation effect shall be given to any change in the interest rate resulting from a change
in the Prime Rate on the date of such change in the Prime Rate. 
 2.4 Borrowing Base Certificate. Exhibit H to
the Credit Agreement is hereby amended to read as set forth on Exhibit A attached to this Amendment which is made a part of the Credit Agreement as Exhibit H thereto. 
 Section 3. Effectiveness of Amendments. The amendments contained in this Amendment shall become effective upon delivery by the
Borrower of, and compliance by the Borrower with, the following: 
 3.1 This Amendment, duly executed by the Borrower.

 3.2 The Second Amended and Restated Convertible Subordinated Promissory Notes, duly executed by Tecstar Automotive
Group, Inc. 
 3.3 A copy of the resolutions of the Board of Directors of the Borrower authorizing the execution,
delivery and performance of this Amendment certified as true and accurate by its Secretary or Assistant Secretary, along with a certification by such Secretary or Assistant Secretary (i) certifying that there has been no amendment to the
Certificate of Incorporation or Bylaws of the Borrower since true and accurate copies of the same were delivered to the Agent with a certificate of the Secretary of the Borrower dated January 31, 2007, and (ii) identifying each officer of
the Borrower authorized to execute this Amendment and any other instrument or agreement executed by the Borrower in connection with this Amendment (collectively, the “Amendment Documents”), and certifying as to specimens of such
officer’s signature and such officer’s incumbency in such offices as such officer holds. 
 3.4 A
Reaffirmation of Guaranty by the Guarantors in the form of Exhibit B attached to this Amendment, duly executed by the Guarantors. 
 3.5 A Reaffirmation of Security Documents in the form of Exhibit C attached to this Amendment, duly executed by the Guarantors. 
 3.6 Certified copies of all documents evidencing any necessary corporate action, consent or governmental or regulatory approval (if
any) with respect to this Amendment. 
 3.7 The Borrower shall have satisfied such other conditions as specified by the
Agent, including payment of all unpaid legal fees and expenses incurred by the Agent through the date of this Amendment in connection with the Credit Agreement and the Amendment Documents. 
  

 - 3 - 

 Section 4. Representations, Warranties, Authority, No Adverse Claim. 
 4.1 Reassertion of Representations and Warranties, No Default. The Borrower hereby represents that on and as of the date
hereof and after giving effect to this Amendment (a) all of the representations and warranties contained in the Credit Agreement are true, correct and complete in all respects as of the date hereof as though made on and as of such date, except
for changes permitted by the terms of the Credit Agreement, and (b) there will exist no Default or Event of Default under the Credit Agreement as amended by this Amendment on such date which has not been waived by the Lenders. 
 4.2 Authority, No Conflict, No Consent Required. The Borrower represents and warrants that the
Borrower has the power and legal right and authority to enter into the Amendment Documents and has duly authorized as appropriate the execution and delivery of the Amendment Documents and other agreements and documents executed and delivered by the
Borrower in connection herewith or therewith by proper corporate action, and none of the Amendment Documents nor the agreements contained herein or therein contravenes or constitutes a default under any agreement, instrument or indenture to which
the Borrower is a party or a signatory or a provision of the Borrower’s Certificate of Incorporation, Bylaws or any other agreement or requirement of law, or result in the imposition of any Lien on any of its property under any agreement
binding on or applicable to the Borrower or any of its property except, if any, in favor of the Lenders. The Borrower represents and warrants that no consent, approval or authorization of or registration or declaration with any Person, including but
not limited to any governmental authority, is required in connection with the execution and delivery by the Borrower of the Amendment Documents or other agreements and documents executed and delivered by the Borrower in connection therewith or the
performance of obligations of the Borrower therein described, except for those which the Borrower has obtained or provided and as to which the Borrower has delivered certified copies of documents evidencing each such action to the Lenders.

 4.3 No Adverse Claim. The Borrower warrants, acknowledges and agrees that no events have taken place and no
circumstances exist at the date hereof which would give the Borrower a basis to assert a defense, offset or counterclaim to any claim of the Lenders with respect to the Obligations. 
 Section 5. Affirmation of Credit Agreement, Further References, Affirmation of Security Interest. Each Lender and the Borrower each
acknowledge and affirm that the Credit Agreement, as hereby amended, is hereby ratified and confirmed in all respects and all terms, conditions and provisions of the Credit Agreement, except as amended by this Amendment, shall remain unmodified and
in full force and effect. All references in any document or instrument to the Credit Agreement are hereby amended and shall refer to the Credit Agreement as amended 
  

 - 4 - 

 by this Amendment. The Borrower confirms to the Lenders that the Obligations are and continue to be secured by the
security interest granted by the Borrower in favor of the Lenders under the Security Agreement, the Pledge Agreement and the Mortgage, and all of the terms, conditions, provisions, agreements, requirements, promises, obligations, duties, covenants
and representations of the Borrower under such documents and any and all other documents and agreements entered into with respect to the obligations under the Credit Agreement are incorporated herein by reference and are hereby ratified and affirmed
in all respects by the Borrower. 
 Section 6. Merger and Integration, Superseding Effect. This Amendment, from and after
the date hereof, embodies the entire agreement and understanding between the parties hereto and supersedes and has merged into this Amendment all prior oral and written agreements on the same subjects by and between the parties hereto with the
effect that this Amendment, shall control with respect to the specific subjects hereof and thereof. 
 Section 7.
Severability. Whenever possible, each provision of this Amendment and the other Amendment Documents and any other statement, instrument or transaction contemplated hereby or thereby or relating hereto or thereto shall be interpreted in
such manner as to be effective, valid and enforceable under the applicable law of any jurisdiction, but, if any provision of this Amendment, the other Amendment Documents or any other statement, instrument or transaction contemplated hereby or
thereby or relating hereto or thereto shall be held to be prohibited, invalid or unenforceable under the applicable law, such provision shall be ineffective in such jurisdiction only to the extent of such prohibition, invalidity or unenforceability,
without invalidating or rendering unenforceable the remainder of such provision or the remaining provisions of this Amendment, the other Amendment Documents or any other statement, instrument or transaction contemplated hereby or thereby or relating
hereto or thereto in such jurisdiction, or affecting the effectiveness, validity or enforceability of such provision in any other jurisdiction. 
 Section 8. Successors. The Amendment Documents shall be binding upon the Borrower and the Lenders and their respective successors and assigns, and shall inure to the benefit of the Borrower and the Lenders and the
successors and assigns of the Lenders. 
 Section 9. Legal Expenses. As provided in Section 11.5 of the Credit
Agreement, the Borrower agrees to reimburse the Agent, upon execution of this Amendment, for all reasonable out-of-pocket expenses (including attorney fees and legal expenses of Dorsey & Whitney LLP, counsel for the Agent) incurred in
connection with the Credit Agreement, including in connection with the negotiation, preparation and execution of the Amendment Documents and all other documents negotiated, prepared and executed in connection with the Amendment Documents, and in
enforcing the obligations of the Borrower under the Amendment Documents, and to pay and save the Lenders harmless from all liability for, any stamp or other taxes which may be payable with respect to the execution or delivery of the Amendment
Documents, which obligations of the Borrower shall survive any termination of the Credit Agreement. 
  

 - 5 - 

 Section 10. Headings. The headings of various sections of this Amendment have been inserted
for reference only and shall not be deemed to be a part of this Amendment. 
 Section 11. Counterparts. The Amendment
Documents may be executed in several counterparts as deemed necessary or convenient, each of which, when so executed, shall be deemed an original, provided that all such counterparts shall be regarded as one and the same document, and either party
to the Amendment Documents may execute any such agreement by executing a counterpart of such agreement. 
 Section 12. Governing
Law. THE AMENDMENT DOCUMENTS SHALL BE GOVERNED BY THE INTERNAL LAWS OF THE STATE OF MINNESOTA, WITHOUT GIVING EFFECT TO CONFLICT OF LAW PRINCIPLES THEREOF. 
 [the remainder of this page intentionally left blank] 
  

 - 6 - 

 IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be executed as of the date
and year first above written. 
  

					
	BORROWER:	 		 	
		
		 	 QUANTUM FUEL SYSTEMS TECHNOLOGIES
 WORLDWIDE,
INC.

			
		 	By:	 	 /s/ Kenneth R. Lombardo

		 	Name:	 	Kenneth R. Lombardo
		 	Title:	 	Vice President
			
	LENDER:	 		 	
		
		 	WB QT, LLC
			
		 	By:	 	 /s/ Jonathan Wood

		 	Name:	 	Jonathan Wood
		 	Title:	 	Director

 [Signature Page to First Amendment to Credit Agreement] 

 EXHIBIT A TO 
 FIRST AMENDMENT 
 TO CREDIT AGREEMENT 
 EXHIBIT H TO 
 CREDIT AGREEMENT 
 BORROWING BASE CERTIFICATE 
  

	To:	WB QT, LLC, as Agent 

 Re: Credit Agreement dated as of
January 31, 2007 (as amended or otherwise modified from time to time, the “Credit Agreement”), among Quantum Fuel Systems Technologies Worldwide, Inc., the Lenders party thereto and WB QT, LLC, as Agent for the Lenders

 This Borrowing Base Certificate sets forth various information as of
                    , 2007. The undersigned hereby certifies to the Lenders that as of the date above, the Borrowing Base was as follows, as
more fully described on Exhibit A hereto: 
  

									
	 Eligible Accounts
	  				 	$	                    	 
	 Less: Excess of Eligible Accounts for Non-Lockbox Obligors (any excess, in aggregate, of $3,000,000)
	  				 	$	(                    	)
	 (a) Total Eligible Accounts
	  	$	                    	 	 			
	 (b) Availability Rate
	  	 	85	%	 			
			
	I. Borrowing Base Amount (Accounts)	  	 	(a) * (b)	 	 	$	                    	 
			
	 Eligible Inventory
	  				 			
	 (c) Eligible Inventory
	  	$	                    	 	 			
	 (d) Availability Rate
	  	 	[45%/30%	]	 			
		  	 	(c) * (d)	 	 	$	                    	 
	 (c) Inventory Ceiling
	  	$	10,637,500	 	 			
			
	 II. Borrowing Base Amount (Inventory)
      [lesser of (c) times (d), or (e)]
	  				 	$	                    	 
			
	 Total Borrowing Base (sum of I and II)
	  				 	$	                    	 
			
	 Outstanding Revolving Advances
	  				 	$	                    	 
			
	 Margin (or Deficiency)
	  				 	$	                    	 

  

 Ex A-1 

 Capitalized terms are used herein as defined in the Credit Agreement. 
 Date of Certificate:                     ,
         
  

			
	 QUANTUM FUEL SYSTEMS TECHNOLOGIES
 WORLDWIDE,
INC.

		
	By:	 	  

	Name:	 	  

	Title:	 	  

  

 Ex A-2

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