Document:

Supply Agreement, dated January 17, 2007

 Exhibit 10.42 
 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS,
HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE
COMMISSION PURSUANT TO RULE 24b-2 OF THE SECURITIES EXCHANGE ACT OF 1934, AS
AMENDED. 
  

			
	

	  	CONFIDENTIAL

 SUPPLY AGREEMENT 
 This Supply Agreement is made as of January 17, 2007 (the “Effective Date”) between SANYO Electric Co., Ltd. (hereinafter “SANYO”) and HOKU SCIENTIFIC, INC. (hereinafter “HOKU”).

 RECITALS 
 Whereas, HOKU desires to
supply polysilicon to SANYO for SANYO’s manufacture and/or sale of high performance solar photovoltaic cells beginning January 1, 2009 for a continuous period of seven (7) years, through and including December 31, 2015;

 Whereas, in exchange for HOKU’s agreement to allocate the supply of polysilicon, SANYO desires to provide HOKU with a firm order for polysilicon upon
the terms and conditions provided herein. 
 NOW, THEREFORE, in furtherance of the foregoing Recitals and in consideration of the mutual covenants and
obligations set forth in this Agreement, the parties hereby agree as follows: 
 1. Definitions. The following terms used in this Agreement (defined
below) shall have the meanings set forth below: 
 1.1. “Agreement” shall mean this Supply Agreement and all appendices annexed to
this Agreement as the same may be amended from time to time by the mutual written agreement of the parties hereto in accordance with the provisions hereof. 
 1.2. “Business Day” shall mean a day on which commercial banks are generally open to conduct their regular business in Los Angeles, California USA. 
 1.3. “Escrow Agreement” shall mean the Escrow Agreement between HOKU, SANYO and an escrow agent that is mutually acceptable to HOKU and SANYO,
substantially in the form of Exhibit A attached hereto. 
 1.4. “Escrow Agent” shall mean an entity or financial institution
mutually agreed upon by the parties hereto to administer the Escrow Agreement. 
 1.5. “Escrow” shall mean the escrow account
established with the Escrow Agent in the United States of America pursuant to the Escrow Agreement. 
 1.6. “HOKU Facility” shall
mean HOKU’s manufacturing facility used to manufacture Products that is owned by HOKU or HOKU Materials and located in the United States of America. 
 1.7. “HOKU Materials” shall mean a subsidiary or affiliate of HOKU that is formed specifically to manufacture the Products. 
 1.8. “Minimum Annual Quantity of Product” shall mean [*] ([*]) metric tons ([*] kilograms) of Product (as defined below) in each of the calendar years 2010 to 2015.
It shall mean [*] ([*]) metric tons ([*] kilograms) of Product (as defined below) in the calendar year 2009. 
 1.9. “Minimum Monthly Quantity of Product” shall mean [*] metric tons ([*] kilograms) of Product (as defined below). 
  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

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 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 1.10. “Product(s)” shall mean the raw polysilicon in chunk form manufactured by HOKU at the
HOKU Facility, or in the case of Alternative Products pursuant to Section 3.3, manufactured by a third party and sold to SANYO pursuant to this Agreement, of which specifications are specifically described in Appendix 2. 
 1.11. “Term” shall mean the period during which this Agreement is in effect, as more specifically set forth in Section 9.1 of this
Agreement. 
 2. Ordering. Each year, starting from January 1, 2009 until December 31, 2015 (the “Shipment Period”), SANYO agrees
to purchase from HOKU, and HOKU agrees to sell to SANYO, the Minimum Annual Quantity of Product at the prices set forth on Appendix 1 to this Agreement (the “Pricing Schedule”). This Agreement constitutes a firm order from SANYO for the
sum of [*] metric tons of Product that cannot be cancelled during the Shipment Period, unless otherwise expressly provided in this Agreement. For the avoidance of doubt, SANYO’s failure to purchase the Minimum Annual Quantity of
Product due to HOKU’s failure to ship Products in accordance with the terms or other breach of this Agreement by HOKU shall not constitute a breach of this Agreement by SANYO. This Agreement constitutes a firm commitment by HOKU to supply the
sum of [*] metric tons of Product that cannot be canceled during the Shipment Period, unless otherwise expressly provided in this Agreement. 
 3. Supply Obligations. 
 3.1. HOKU shall deliver each year during the Shipment Period pursuant to this Agreement the Minimum
Annual Quantity of Product and any additional quantities of Product that may be agreed by the parties in writing from time to time. 
 3.2.
Notwithstanding Section 3.1 above, HOKU shall deliver to SANYO the Minimum Monthly Quantity of Product on the first Business Day of each month from January 2009 through December 2015. If HOKU is not able to deliver the Minimum Monthly Quantity
of Product on the first Business Day of any month because of capacity constraints, HOKU shall immediately notify SANYO of such in writing. Notwithstanding anything herein to the contrary, SANYO shall have first priority with respect to any supply of
Product and HOKU shall not deliver any Product to any other entity or person in any applicable monthly period unless HOKU has delivered to SANYO at least the Minimum Monthly Quantity of Product for such applicable monthly period. 
 3.3. HOKU intends to manufacture Products at the HOKU Facility; provided, however, that HOKU may deliver to SANYO Products that are manufactured by a
third party other than HOKU (the “Alternative Products”). The Alternative Products shall conform to the warranties of HOKU to SANYO hereunder, and the quality, price, delivery and any other terms and conditions of the Alternative Products
shall be no less favorable than the terms and conditions set forth in this Agreement. Delivery of the Alternative Products shall not release or mitigate HOKU’s liabilities and obligations hereunder except that delivery of the Alternative
Products is deemed to be delivery of Products, and SANYO shall have the same rights and HOKU shall have the same obligations as set forth hereunder with respect to any Alternative Products. HOKU shall notify SANYO in writing prior to the delivery of
Alternative Products. 
 4. Shipping & Delivery. 
 4.1. The first delivery of Products from HOKU shall occur in January 2009. 
  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

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 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 4.2. Subject to Article 3 above, shipments of Products shall be made from the HOKU Facility on a
monthly basis in accordance with a shipment schedule that shall be provided by HOKU each month (the “Shipment Schedule”). The Shipment Schedule shall be submitted by HOKU on or before the 10th Business Day of each month, and shall include
rolling forecasts of scheduled quantity, price and delivery date of Products for the following six (6) months. The first Shipment Schedule shall be submitted by HOKU to SANYO on or before October 31, 2008. The forecasts for the first three
(3) months in each Shipment Schedule shall be fixed (the “Fixed Schedule”). HOKU and SANYO shall have regular discussions regarding the Shipment Schedule and Fixed Schedule. In the event that HOKU fails to deliver Products in
accordance with the Fixed Period, SANYO may cause HOKU at HOKU’s own responsibility, cost and expense to deliver Products to the locations designated by SANYO by rail or boat means of shipment. 
 4.3. If HOKU does not fulfill its obligations in any applicable monthly period with respect to supplying the Minimum Monthly Quantity of Product or in
any applicable annual period to supply the Minimum Annual Quantity of Product, HOKU shall reduce the applicable price set forth in the Pricing Schedule (the “Product Price”) for the relevant Products as liquidated damages but not as a
penalty. Such price reduction shall be made at the rate of [*] ([*]) of the applicable Product Price of the respective Products for each week or part thereof until the date when such deficiency is shipped. Without
limiting SANYO’s right to terminate this Agreement pursuant to Section 9.2 and receive its deposit pursuant to Section 9.5, such liquidated damages should not equal more than [*] of the purchase price for the applicable
Product. 
 4.4. HOKU shall not be responsible for loading the Products on any vehicle provided by SANYO or for clearing the Products for
export, unless otherwise agreed, and SANYO shall bear all costs and risks involved in loading and transporting the Products from the HOKU Facility to the location designated by SANYO except in case of Section 4.2, as set forth in
Section 5.4 below. Title to the Products shall transfer EXW ex works the HOKU Facility. 
 5. Payments. 
 5.1. Within fifteen (15) Business Days after execution of this Agreement, SANYO shall provide HOKU an advance initial deposit of Two Million U.S.
Dollars ($2,000,000) (the “Initial Deposit”); provided, however, that if the Escrow Agreement is not executed within fifteen (15) Business Days after the date of this Agreement, SANYO shall not be obligated to provide the Initial
Deposit, and shall not pay any penalty, delinquency charges or interest in arrears to HOKU for failure to do so until the Escrow Agreement has been executed. 
 5.2. Main Deposit. 
 5.2.1. Establishment of Escrow. Within fifteen (15) Business Days
after execution of this Agreement, SANYO and HOKU shall enter into the Escrow Agreement with the Escrow Agent, and SANYO shall pay to the Escrow Agent, by wire transfer of immediately available funds, an amount equal to the Main Deposit (as defined
below) to be held by the Escrow Agent pursuant to the Escrow Agreement. The Main Deposit shall be held and delivered by the Escrow Agent to HOKU in accordance with the terms and conditions of this Agreement and the Escrow Agreement. For the
avoidance of doubt, the funds of the Main Deposit remaining in the account of the Escrow Agent shall remain the property of SANYO until such time as such funds have been delivered to HOKU under the terms of this Agreement and the Escrow Agreement.

  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

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 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 5.2.2. SANYO shall pay in cash to HOKU through the Escrow Agent the sum of One Hundred Nine Million
Three Hundred Thousand U.S. Dollars ($109,300,000) (the “Main Deposit”) as an advance deposit for Products to be delivered under this Agreement in four installments as follows: 
 (a) the first installment shall be in the amount equal to [*] ([*]) of the Main Deposit and shall be released from Escrow to
HOKU within fifteen (15) Business Days after HOKU and SANYO confirm in writing Success of the [*] Test [*] (as defined in Section 5.2.4). 
 (b) the second installment shall be in the amount equal to [*] ([*]) of the Main Deposit and shall be released from Escrow
to HOKU within fifteen (15) Business Days after HOKU and SANYO confirm in writing Success of the [*] Test [*] (as defined in Section 5.2.5). 
 (c) the third installment shall be in the amount equal to [*] ([*]) of the Main Deposit and shall be released from Escrow to
HOKU within fifteen (15) Business Days after HOKU and SANYO confirm in writing Success of the [*] Test [*] (as defined in Section 5.2.4). 
 (d) the fourth installment shall be in the amount equal to [*] ([*]) of the Main Deposit and shall be released from Escrow
to HOKU within fifteen (15) Business Days after SANYO confirms in writing that the Products delivered in the shipment meet the specifications set forth in Appendix 2 attached hereto warranted by HOKU pursuant to Section 7.1 of this
Agreement Notwithstanding anything herein to the contrary, to satisfy the conditions set forth in this Section 5.2.2(d), HOKU shall be required to deliver at least [*] ([*]) metric tons of Products to SANYO and such
Products shall include only Products manufactured at the HOKU Facility and shall not include any Alternative Products. 
 5.2.3. As a further
condition to Escrow Agent’s release of any portion of the Main Deposit from Escrow, as of the date of the proposed release, HOKU shall submit to the Escrow Agent, with a copy to SANYO, a certificate, in substantially the form of Appendix 4
attached hereto, signed by an executive officer of HOKU that certifies that (i) HOKU has obtained all inspections, certifications, licenses, permits and other governmental approvals and authorizations (“Authorizations”) necessary as
of the current stage of development of the HOKU Facility that would be known by a reasonably prudent company engaged in the business of manufacture and sale of polysilicon in the United States of America; (ii) To the best of HOKU’s
knowledge, such Authorizations are in full force and effect; and (iii) HOKU is not aware of any reason that HOKU will not obtain in the ordinary course of business all Authorizations required for the completion and operation of the HOKU
Facility. 
 5.2.4. For purposes of this Agreement, “Success of the [*] Test [*]” shall mean that the
[*] Test [*] set forth in Appendix 3 attached hereto meets all criteria set forth in item A-1 in Appendix 3 attached hereto, and .”Success of the [*] Test [*]” shall mean the
[*] Test [*] set forth in Appendix 3 attached hereto meets all criteria set forth in item A-2 in Appendix 3 attached hereto. 
 5.2.5. For purposes of this Agreement, “Success of the [*] Test [*]” shall mean that the [*] Test [*] set forth in Appendix 3 attached hereto meets all
specifications set forth in item B in Appendix 3 attached hereto. 
  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

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 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 5.2.6. The sum of the Initial Deposit and Main Deposit shall be the “Total Deposit”. The
Total Deposit is equal to 30% of the total purchase price for this Agreement, excluding taxes, duties, shipping, insurance, and other fees, costs and expenses. 
 5.2.7. SANYO, at its option and expense, shall have the right to attend , and subject to the sentence immediately below, shall have the right to have one or more of its designated representatives attend, the
[*] Tests [*] and [*], and [*] Test [*] (as described in appendix 3 attached hereto). HOKU shall provide a written notice to SANYO no less than twenty (20) Business Days
prior to the applicable test and at least ten (10) Business Days prior to any re-test. Any third party that SANYO requests to view any such test must not be a competitor to HOKU, and must sign a confidentiality and non-compete agreement prior
to participating in the applicable test. The [*] Test [*] and [*], and [*] Test [*] shall be performed pursuant to the processes set forth in Appendix 3. 
 5.2.8. If HOKU believes that the criteria required for it to receive any of the four installment payments as described in Sections 5.2.2(a) through
5.2.2(d) above (other than the receipt of written confirmation from SANYO) has been met, HOKU shall so advise SANYO in writing (the “Confirmation Notice”). Within thirty (30) Business Days following the date of SANYO’s receipt of
such Confirmation Notice relating to any such installment payment, SANYO shall either (i) provide to HOKU the written confirmation of the achievement of the criteria relating to such payment or (ii) provide to HOKU, in reasonable detail,
the reasons that it has concluded that such criteria have not been met. The parties agree that neither party may withhold unreasonably any written confirmation of such party referenced in items 5.2.2(a) through 5.2.2(d). 
 5.2.9. If, with respect to any of the four installments described in Sections 5.2.2(a) through 5.2.2(d), respectively, of this Agreement, (i) SANYO
provides written notice to HOKU pursuant to Section 5.2.8(ii) above or otherwise fails to provide written confirmation of the achievement of the applicable criteria within fifteen (15) Business Days from receipt of a written reminder
notice from HOKU and (ii) HOKU disputes the applicable findings or conclusions of SANYO, then HOKU may elect (by providing written notice to the Escrow Agent and SANYO) to resolve the controversy pursuant to the arbitration provisions of
Section 14.4 below. Such written reminder notice shall be sent by HOKU no earlier than thirty one (31) Business Days after SANYO’s receipt of the Confirmation Notice. If such an arbitration results in a finding that the criteria
required in connection with any such installment (other than the delivery of written confirmation by SANYO) had been achieved or that SANYO otherwise unreasonably withheld delivery of its applicable confirmation, then HOKU shall be entitled to
receive the applicable funds in accordance with the Escrow Agreement and any other damages awarded in arbitration pursuant to the terms and conditions of this Agreement. Notwithstanding anything to the contrary herein, it shall be a condition to any
release of Escrow Funds to HOKU under the Escrow Agreement that HOKU shall have granted SANYO the security interest described in Section 6.1 below. SANYO shall have a reasonable basis for refusing to execute any test or specification
confirmation under Sections 5.2.2(a) through 5.2.2(d) hereunder (as applicable) if HOKU shall not have granted SANYO such security interest. 
 5.3. HOKU shall invoice SANYO at or after the time of each shipment of Products to SANYO. Taxes, customs and duties, if any, shall be identified as separate items on HOKU invoices. All invoices shall be sent to SANYO’s location
indicated in the applicable order. Payment terms for all invoiced amounts hereunder shall be sixty (60) days from the date of SANYO’s receipt of Products and HOKU’s invoice (the “Due Date”). All payments hereunder shall be
made in U.S. Dollars. Total Deposit shall be credited against each shipment hereunder once the aggregate volume of Product shipped under this Agreement is equal to [*] ([*]) metric tons, whereupon the Total Deposit shall
be credited pro rata with each shipment. 
  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

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 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 5.4. The prices for the Products do not include any excise, sales, use, import, export or other
taxes, which taxes shall be invoiced to and paid by SANYO, provided that SANYO is legally or contractually obligated to pay such taxes. HOKU and SANYO shall work together to eliminate the possibility of taxes, but if there are any assessed, HOKU
shall promptly remit to SANYO in full any such taxes paid by SANYO which are refunded to HOKU in whole or in part. SANYO shall be responsible for all transportation charges, duties and charges for shipping and handling except in case of
Section 4.2; thus, the price for the Products shall not include any such charges except in case of Section 4.2. 
 5.5. Late
payments for outstanding balances shall accrue interest at the lesser of eighteen percent (18%) per annum or the maximum rate allowed by the applicable law. 
 5.6. HOKU shall solely use the Total Deposit from SANYO for HOKU’s polysilicon business or production of Product related to this Supply Agreement. Such polysilicon business to reside within HOKU Materials.

 6. Security Interest. 
 6.1. Subject to
receipt of the Initial Deposit and the Main Deposit, HOKU hereby grants to SANYO a security interest, which shall be subordinated in accordance with Section 6.3 below, in all of the tangible and intangible assets related to HOKU Materials (the
“Collateral”). In connection with the foregoing, (a) HOKU shall enter into or cause the applicable subsidiary or affiliate to enter into customary collateral documentation reasonably requested by SANYO in order to provide SANYO with
perfected security interests and liens on the Collateral, including, without limitation, deeds of trust with respect to the real property and fixtures comprising the HOKU Facility and a security agreement with respect to the Collateral consisting of
personal property, (b) HOKU shall cause to be delivered such other items in connection with the Collateral and such documentation as reasonably requested by SANYO, including, without limitation, Uniform Commercial Code financing statements,
other items necessary to perfect SANYO’s security interests and liens, opinions of counsel as to matters reasonably requested by SANYO, including the enforceability of the Collateral documents and the creation and perfection of the security
interests and liens created thereby, and title insurance policies with respect to the Collateral consisting of real property. Any cost for obtaining the title insurance shall be borne by HOKU. 
 6.2. HOKU shall pledge to SANYO all of the equity interests in HOKU Materials owned by HOKU, and such equity interests shall constitute Collateral for
the obligations of HOKU under this Agreement. 
 6.3. SANYO acknowledges and agrees that the security interests and liens in the Collateral
will be expressly subordinated to HOKU’s third-party lenders (the “Senior Lenders”) that provide debt financing for the construction of the HOKU Facility. SANYO shall enter into subordination agreements with the Senior Lenders on
terms and conditions acceptable to SANYO and the Senior Lenders. 
 6.4. HOKU shall grant the security interest described in Section 6.1
to SANYO prior to the release of funds from Escrow. 
 6.5. The security interest granted hereby shall continue so long as HOKU continues to
maintain any amount of the Total Deposit, and only to the extent of such remaining amount of the Total Deposit being held by HOKU, which has not been credited against the shipment of Products pursuant to this Agreement. Notwithstanding anything to
the contrary contained in this Agreement, the Collateral consisting of real property shall secure only the obligations of HOKU to refund any portion of the Total Deposit to SANYO in accordance with the terms of this Agreement or the Escrow
Agreement. 
  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

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 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 7. Product Quality Guarantee. 
 7.1. HOKU warrants to SANYO for a period of ninety (90) days from the date the Product leaves the HOKU Facility, that the Products shall meet the specifications set forth on Appendix 2 to this Agreement (the
“Product Specifications”). Provided that SANYO complies with the return goods policy described in Article 8 below, HOKU shall, upon SANYO’s prompt written notification to HOKU, replace non-conforming Products with conforming Products,
and if HOKU is unable to do so, HOKU shall refund SANYO for non-conforming Products within thirty (30) days after HOKU’s receipt of such returned Products. No employee, agent or representative of HOKU has the authority to bind HOKU to any
oral representation or warranty concerning Products. Any oral representation or warranty made prior to the purchase of any Product and not set forth in writing and signed by a duly authorized officer of HOKU shall not be enforceable by SANYO. HOKU
makes no warranty and shall have no obligation with respect to damage caused by or resulting from misuse, neglect or unauthorized alterations to the Products for which SANYO is responsible. 
 7.2. HOKU EXPRESSLY DISCLAIMS ALL OTHER WARRANTIES NOT EXPLICITLY DESCRIBED IN THIS AGREEMENT, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING THE
WARRANTIES OF MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE. HOKU’s sole responsibility and SANYO’s exclusive remedy for any claim arising out of HOKU’s breach of the warranties set forth in Section 7.1 above is a refund
or replacement, as described above. 
 7.3. Except as otherwise expressly set forth herein, HOKU disclaims any obligation to defend or
indemnify SANYO, its past, present and future subsidiaries, affiliates, and their respective officers, agents, or employees, from and against any claims, demands, actions, proceedings, losses, damages, liabilities, costs or expenses, including
without limitation, reasonable attorney fees, which may arise out of HOKU’s acts or omissions or the sale or use of the Products provided to SANYO by HOKU. 
 8. Return Goods Policy. After receipt of the Products and during the ninety (90) day warranty period described in Section 7.1, SANYO may inspect the Products to confirm no shortfall and conformity of Products to the
warranties set forth in Section 7.1. Should SANYO find any shortfall or non-conformity in the delivered Products as a result of such inspection, HOKU shall, at SANYO’s sole discretion, fulfill such shortfalls and/or replace the
non-conforming Products with conforming Products or refund to SANYO for such non-conforming Products pursuant to Section 7.1. To assure prompt handling, SANYO must obtain and HOKU must issue, upon SANYO’s written notice to HOKU, a return
goods authorization number and SANYO shall reference this number on return shipping documents. Returns of Products made without the authorization number shall be returned to SANYO, freight collect. HOKU reserves the right to reverse any credit
issued to SANYO: (i) for any Product not returned after authorization and request by HOKU; or (ii) if, upon return, such Product is reasonably determined by HOKU not to be non-conforming based on legitimate evidence supporting such
determination which may be reasonably acceptable to SANYO. 
 9. Term and Termination. 
 9.1. The term of this Agreement shall begin on the Effective Date and, unless previously terminated as hereinafter set forth, shall remain in full force
and effect until December 31, 2015. 
 9.2. Each party hereto may, at its discretion, upon written notice to the other party, and in
addition to its rights and remedies provided under this Agreement and at law or in equity, terminate this Agreement in the event of any of the following: 
  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

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 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 9.2.1. Upon a material breach of the other party of any provision in this Agreement, and failure of
the other party to cure such material breach within fifteen (15) Business Days after the written notice thereof. 
 9.2.2. For purposes
of this Agreement, and notwithstanding anything to the contrary in the preceding sentence, a material breach by SANYO hereunder shall include, but not be limited to, SANYO failing to make a payment pursuant to this Agreement ninety (90) days
from SANYO’s receipt of Products and HOKU’s invoice. 
 9.2.3. For purposes of this Agreement, a material breach by HOKU hereunder
shall include, but not be limited to, any of: 
  

	 	(a)	Beginning in March 2009, HOKU failing to deliver the Minimum Monthly Quantity of Product in any month; 

  

	 	(b)	HOKU failing to deliver the Minimum Annual Quantity of Product in any year; 

  

	 	(c)	HOKU being unable to complete successfully [*] Tests [*], [*] Test [*], and [*] Test [*], as
described in Sections 5.2.4 and 5.2.5, within [*] months after the date of this Agreement; 

  

	 	(d)	HOKU being unable to complete successfully the [*] Test [*], as described in Appendix 5, within [*] months after the date of this
Agreement; 

  

	 	(e)	HOKU being unable to complete successfully the shipment described in Section 5.2.2(d) prior to March 31, 2009; 

  

	 	(f)	HOKU’s repetitive failure to deliver Products conforming to the warranties set forth in Section 7.1; 

  

	 	(g)	Occurrence of any payment by SANYO Indemnitees (as defined in Section 13.1) with respect to Losses (as defined in Section 13.1) not reimbursed by HOKU;

  

	 	(h)	HOKU’s breach of Article 13.1 of this Agreement; or 

  

	 	(i)	HOKU’s breach of Article 14.5 of this Agreement. 

 9.2.4. Upon the voluntary or involuntary initiation of bankruptcy or insolvency proceedings against the other party (in the case of HOKU, including HOKU Materials); provided, that for an involuntary bankruptcy or insolvency proceeding, the
party subject to the proceeding shall have sixty (60) Business Days within which to dissolve the proceeding or demonstrate to the terminating party’s satisfaction the lack of grounds for the initiation of such proceeding; 
 9.2.5. Upon entering into an assignment for the benefit of creditors against the other party; 
 9.2.6. Upon initiation of dissolution, liquidation or winding-up proceedings of the other party; or 
 9.2.7. In accordance with the provisions of Article 12 below. 
  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

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 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 9.3. HOKU shall have the right to terminate this Agreement if (A) SANYO fails to make either
(i) the Initial Deposit pursuant to Section 5.1, or (ii) the Main Deposit pursuant to Section 5.2 hereof; or (B) the terms of this Agreement make it difficult for HOKU to secure financing sufficient to procure the HOKU
Facility and equipment necessary to manufacture one thousand five hundred (1,500) metric tons of Products per annum. Notwithstanding the above, before terminating the Agreement pursuant to clause (B) above, HOKU shall first discuss and
request SANYO to make the necessary changes to this Agreement needed to move forward with financing. For the avoidance of doubt, SANYO has no obligation to make any such changes to this Agreement. 
 9.4. Either party may terminate this Agreement upon the written notice to the other party if: 
 (a) the Escrow Agreement shall not be executed within fifteen (15) Business Days after the date of this Agreement; 
 (b) HOKU is unable to secure financing within six (6) months after the date of this Agreement sufficient to procure the HOKU Facility and equipment
necessary to manufacture one thousand five hundred (1,500) metric tons of Product per annum; or 
 (c) the Escrow Agreement shall be
terminated prior to release of the full amount of the Main Deposit to HOKU. 
 9.5. Upon expiration or termination of this Agreement for any
reason, except for a termination of this Agreement by HOKU pursuant to Section 9.2.4, 9.2.5, or 9.2.6, HOKU shall refund to SANYO the entire amount of the Total Deposit less any part of the Total Deposit applied to the purchase price of the
Products pursuant to Section 5.3 hereof within thirty (30) Business Days after the expiration or termination hereof. Without limiting the foregoing, in case the Main Deposit or any part thereof is still in the account of the Escrow Agent
at the time of any such the expiration or termination hereof, HOKU shall authorize the Escrow Agent to refund the Main Deposit to SANYO. For the avoidance of doubt, in case this Agreement is terminated before HOKU applies any part of the Total
Deposit to the purchase price of Products pursuant to Section 5.3 hereof, and except in the case of a termination of this Agreement by HOKU pursuant to Section 9.2.4, 9.2.5, or 9.2.6, HOKU shall be able to execute the Off-Set as described
in Section 11 prior to refunding to SANYO the remaining amount of the Total Deposit. 
 9.6. Upon the expiration or termination of this
Agreement howsoever arising and subject always to the provisions of Section 9.7 below, the following Sections shall survive such expiration or termination: Article 1 (Definitions); Section 4.3 (Shipping & Delivery); Article 7
(Product Quality Guarantee); Article 8 (Return Goods Policy); Section 9.5, 9.6 and 9.7 (Term and Termination); Article 10 (Liability); Article 11 (Right to Off-Set); Article 13 (Indemnification); and Article 14 (General Provisions). 

9.7. Upon expiration or termination of this Agreement for any reason, all outstanding deliveries of Products fixed in the Fixed Schedule prior to such
expiration or termination shall be completed by HOKU and for this purpose and to that extent, the provisions of this Agreement shall continue in full force and effect. 
 10. Liability. 
 10.1. IN NO EVENT SHALL EITHER PARTY BE LIABLE FOR INDIRECT, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES OR FOR EXEMPLARY OR PUNITIVE 

  

					
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	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

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IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
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THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

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DAMAGES, EVEN IF SANYO OR HOKU HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 
 10.2. EXCEPT FOR REFUND OF THE TOTAL DEPOSIT PURSUANT TO SECTION 9.5 ABOVE, EITHER PARTY’S TOTAL LIABILITY TO THE OTHER FOR ANY KIND OF LOSS, DAMAGE
OR LIABILITY ARISING UNDER OR IN CONNECTION WITH THIS AGREEMENT, UNDER ANY THEORY OF LIABILITY, SHALL NOT EXCEED FIFTY SIX MILLION US DOLLARS ($56,000,000); PROVIDED, HOWEVER, THAT SUCH MAXIMUM LIABILITY SHALL NOT INCLUDE LIQUIDATED DAMAGES PROVIDED
IN SECTION 4.3 ABOVE. 
 11. Right to Off-Set. THE PARTIES ACKNOWLEDGE AND AGREE THAT, IN THE EVENT THAT SANYO IS LATE IN MAKING ANY PAYMENTS TO HOKU
FOR PRODUCTS THAT HAVE BEEN SHIPPED BY HOKU, HOKU RESERVES THE RIGHT TO OFF-SET THE AMOUNT OF THE TOTAL DEPOSIT BY CREDITING TO HOKU’S ACCOUNT THE AMOUNT OF THE TOTAL DEPOSIT THAT IS EQUAL TO THE PAST DUE AMOUNT, INCLUDING ANY INTEREST PAYABLE
THEREON PURSUANT TO THIS AGREEMENT; PROVIDED, HOWEVER, THAT HOKU SHALL NOTIFY SANYO IN WRITING PRIOR TO SUCH OFF-SET. FOR THE AVOIDANCE OF DOUBT, THE INTEREST PAYABLE SET FORTH ABOVE SHALL ACCRUE FROM THE DUE DATE TO THE DATE WHEN HOKU EXERCISES THE
RIGHT TO OFF-SET. IN CASE OF SUCH SET-OFF BY HOKU, SANYO SHALL BE REQUIRED TO REPLENISH WITHIN THIRTY (30) BUSINESS DAYS AFTER SANYO’S RECEIPT OF SUCH NOTIFICATION ANY ADDITIONAL DEPOSIT IN ORDER TO RETURN THE TOTAL DEPOSIT TO THE LEVEL IT
SHOULD BE AS DESCRIBED IN SECTION 5.3. 
 12. Force Majeure. Neither party shall be liable to the other party for failure of or delay in performance
of any obligation under this Agreement, directly or indirectly, owing to acts of God, war, war-like condition, embargoes, riots, strikes and other events beyond its reasonable control. If such failure or delay occurs, the affected party (i.e., the
party that is unable to perform) shall notify the other party of the occurrence thereof as soon as possible, and the parties shall discuss the best way to resolve the event of force majeure. If the conditions of force majeure apply for a period of
more than two (2) consecutive calendar months, the non-affected party shall be entitled to terminate this Agreement by written notice to the other party. 
 13. Indemnification. 
 13.1. HOKU shall indemnify, defend and hold harmless SANYO, its respective past, present and future
subsidiaries, affiliates, and each of their past, present and future constituent members, partners, officers, shareholders, directors, agents, employees, attorneys, retailers and customers and each of their respective successors and assigns
(“SANYO Indemnitees”) from any claims, demands, actions, proceedings, losses, damages, liabilities, costs and expenses, including without limitation, reasonable attorney fees, (the “Losses”) which may arise out of or in
connection with any infringement by the Products of the patent rights, trademark rights, copyrights or other intellectual property rights belonging to any third party. 
 13.2. Any such indemnification set forth in Section 13.1 shall be pursuant to the following provisions: 
 13.2.1. SANYO shall give a prompt written notice to HOKU of any assertion of liability by a third party which might give rise to a claim for indemnification, which notice shall state the nature and basis of the assertion and the amount
thereof, to the extent known; provided, however, that no delay 

  

					
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IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
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THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

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on the part of SANYO in giving notice shall relieve HOKU of any obligation to indemnify unless (and then solely to the extent that) HOKU is prejudiced by
such delay. SANYO shall take reasonable steps to mitigate indemnifiable liabilities and damages upon and after becoming aware of any event which could reasonably be expected to give rise to any liabilities and damages that are indemnifiable
hereunder. 
 13.2.2. If any action, suit or proceeding (the “Legal Action”) is brought against any of SANYO Indemnitees with
respect to which HOKU may have an obligation to indemnify, the Legal Action shall be defended by HOKU and such defense shall include all proceedings and appeals which counsel for SANYO Indemnitees shall reasonably deem appropriate; provided,
however, that SANYO Indemnitees shall be entitled to participate in the defense of (but not control) any Legal Action, the defense of which is assumed by HOKU, with its own counsel and at its own expense; provided, however, that if HOKU does not
assume control of such defense within a reasonable time, SANYO may assume control of such defense at the cost and expense of HOKU. 
 13.2.3.
In any Legal Action initiated by a third party and defended by HOKU (a) applicable SANYO Indemnitees shall have the right to be represented by advisory counsel and accountants, at their own expense, (b) HOKU shall keep applicable SANYO
Indemnitees fully informed as to the status of such Legal Action at all stages thereof, whether or not such SANYO Indemnitees are represented by their own counsel, (c) HOKU shall make available to applicable SANYO Indemnitees, and their
attorneys, accountants and other representatives, all books and records of HOKU relating to such Legal Action, and (d) the parties shall render to each other such assistance as may be reasonably required in order to ensure the proper and
adequate defense of the Legal Action. 
 13.3. HOKU’s obligation to indemnify SANYO as set forth above shall not apply to any claim set
forth in a written notice provided by SANYO pursuant to Section 13.2.1 that is sent to HOKU more than five (5) years after the termination or expiration of this Agreement. 
 13.4 HOKU warrants that the manufacture, sale and/or use of Products shall not infringe any patent rights, trademark rights, copyrights or other
intellectual property rights belonging to any third party. 
 14. General Provisions. 
 14.1. HOKU shall use commercially reasonable efforts to contract with [*] based in [*] (“[*]”) for
engineering and design services related to the [*] process that shall be used at the HOKU Facility. 
 14.2. HOKU shall allow
SANYO visitation rights for and between the time of signing and first delivery of Products upon reasonable advanced notice and at mutually agreeable times. HOKU shall provide SANYO with monthly written progress reports in reasonable detail on the
polysilicon business that include a summary record of sources of cash in and uses of cash out and discuss them with SANYO; provided that HOKU shall not be required to provide the monthly written progress reports after HOKU has completed the first
delivery of Products. 
 14.3. This Agreement shall be construed under and governed by the laws of the State of California, U.S.A.

 14.4. The parties agree that any controversy between the parties hereto involving any claim arising out of or relating to this Agreement
shall be finally settled by arbitration in Santa Clara County, California, in accordance with the then current Commercial Arbitration Rules of the American Arbitration 

  

					
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	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

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IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
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THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

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Association, and judgment upon the award rendered by the arbitrators may be entered in any court having jurisdiction thereof. 
 14.5. This Agreement, in whole or in part, may not be assigned to a third party without prior written consent of the other party, except that HOKU may
assign this Agreement to HOKU Materials with the prior written notice to SANYO; provided, however, that HOKU shall be jointly and severally liable with HOKU Materials for HOKU Materials’ breach of HOKU’s obligations hereunder. Merger or
acquisition of a party hereto with a third party shall not be considered an assignment of this Agreement. This Agreement may be assigned by a party in connection with the sale of all or substantially all of such party’s assets. If this
Agreement is assigned effectively to the third party, this Agreement shall bind upon successors and assigns of the parties hereto. Further, if HOKU assigns this Supply Agreement to any other party, HOKU shall be required to assign the Escrow
Agreement to the same party. 
 14.6. HOKU shall maintain greater than [*] equity interest in HOKU Materials during the term of
this Agreement and shall otherwise control HOKU Materials. HOKU shall obtain written approval from SANYO to reduce its equity interest in HOKU Materials to a level less than or equal to [*]. 
 14.7. Except as provided elsewhere in this Agreement, a notice is effective only if the party giving or making the notice has complied with this
Section 14.7 and if the addressee has received the notice. A notice is deemed to have been received as follows: 
 (a) If a notice is
delivered in person, or sent by registered or certified mail, or nationally or internationally recognized overnight courier, upon receipt as indicated by the date on the signed receipt; 
 (b) If a notice is sent by facsimile, upon receipt by the party giving the notice of an acknowledgment or transmission report generated by the machine
from which the facsimile was sent indicating that the facsimile was sent in its entirety to the addressee’s facsimile number; or 
 (c)
If a notice is sent by e-mail, upon receipt by the party giving the notice of an acknowledgement or transmission report indicating that the e-mail was sent in its entirety to the addressee’s e-mail address. 
 Each party giving a notice shall address the notice to the appropriate person at the receiving party at the address listed below or to a changed address as the party
shall have specified by prior written notice: 
 SANYO: 
 SANYO
Electric Co., Ltd. 
 15-2 Nishikiminami-machi 
 Kaizuka City,
Osaka, 597-0094, Japan 
 Attn: Mr. Yasuyoshi Kawanishi, General Manager 
 E-mail: [*] 
 Facsimile: [*] 
 HOKU: 
 HOKU SCIENTIFIC, INC. 
 1075 Opakapaka Street 
 Kapolei, Hawaii 96707, USA 
 Attn: Mr. Dustin Shindo, CEO 
 E-mail: [*] 
 Facsimile: +1 (808) 682-7807 
  

					
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THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

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 14.8. The waiver by either party of the remedy for the other party’s breach of or its rights
under this Agreement shall not constitute a waiver of the remedy for any other similar or subsequent breach of any rights hereunder. 
 14.9.
If any provision of this Agreement is or becomes, at any time or for any reason, unenforceable or invalid, no other provision of this Agreement shall be affected thereby, and the remaining provisions of this Agreement shall continue with the same
force and effect as if such unenforceable or invalid provisions had not been inserted in this Agreement. 
 14.10. No changes, modifications
or alterations to this Agreement shall be valid unless reduced to writing and duly signed by respective authorized representatives of the parties hereto. 
 14.11. No employment, agency, trust, partnership or joint venture is created by, or shall be founded upon, this Agreement. Each party further acknowledges that neither it nor any party acting on its behalf shall have
any right, power or authority, implied or express, to obligate the other party in any way. 
 14.12. Neither party shall make any
announcement or press release regarding this Agreement or any terms thereof without the other party’s prior written consent. Notwithstanding the foregoing, either party may publicly disclose the material terms of this Agreement through any
channel if such information is required to be disclosed pursuant to the United States Securities Act of 1933, as amended, the United States Securities Exchange Act of 1934, as amended, a rule of stock exchange, a governmental authority, or other
applicable law; provided, however, that the party being required to disclose the material terms of this Agreement shall provide the reasonable advance notice to the other party, and shall use commercially reasonable efforts to obtain confidential
treatment from the applicable governing entity for all pricing, volume and technical information set forth in this Agreement. 
 14.13. This
Agreement constitutes the entire agreement between the parties and supersedes all prior proposal(s) and discussions, relative to the subject matter of this Agreement and neither of the parties shall be bound by any conditions, definitions,
warranties, understandings or representations with respect to such subject matter other than as expressly provided herein. No oral explanation or oral information by either party hereto shall alter the meaning or interpretation of this Agreement.

 14.14. The headings are inserted for convenience of reference only and shall not affect the interpretation and or construction of this
Agreement. 
 14.15. Words expressed in the singular include the plural and vice-versa. 
 [This space intentionally left blank.] 
  

					
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IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
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THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

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

 

									
	SANYO:	 		 	HOKU:
			
	SANYO Electric Co., Ltd.	 		 	HOKU SCIENTIFIC, INC.
					
	By:	 	 

	 		 	By:	 	 

	Name:	 	Tadao Shimada	 		 	Name:	 	Dustin Shindo
	Title:	 	Senior Vice President	 		 	Title:	 	Chairman & CEO
	Authorized Signatory	 		 	Authorized Signatory

  

					
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	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

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IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
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 APPENDIX 1 
 PRICING SCHEDULE 
  

						
	 PLANNED DELIVERY PERIOD
	  	QUANTITY	  	PRICE / KG
	 JANUARY 1, 2009 – DECEMBER 31, 2009
	  	[*] MT	  	$	[*]
	 JANUARY 1, 2010 – DECEMBER 31, 2010
	  	[*] MT	  	$	[*]
	 JANUARY 1, 2011 – DECEMBER 31, 2011
	  	[*] MT	  	$	[*]
	 JANUARY 1, 2012 – DECEMBER 31, 2012
	  	[*] MT	  	$	[*]
	 JANUARY 1, 2013 – DECEMBER 31, 2013
	  	[*] MT	  	$	[*]
	 JANUARY 1, 2014 – DECEMBER 31, 2014
	  	[*] MT	  	$	[*]
	 JANUARY 1, 2015 – DECEMBER 31, 2015
	  	[*] MT	  	$	[*]
	 TOTAL
	  	[*] MT	  		

 If there is uncertainty in price between the delivery period and the total quantity for that period based on the
table above, the price assigned to the quantity shall prevail. For example, the first [*] MT shall be invoiced at $[*], regardless of when it is shipped (early or late). 
  

					
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	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

 Appendix 1 to Supply Agreement 
 (Page 15 of 34) 

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
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THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

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 APPENDIX 2 
 PRODUCT SPECIFICATIONS 
 PRODUCT CODE: CAS # 7440-21-3

 1. Description 
 Solar grade polycrystalline silicon
used for applications in the photovoltaic industry meeting specifications below. Such specifications shall only apply to polysilicon shipped by HOKU to SANYO beginning January 1, 2009. 
 2. Bulk & Surface Impurity Specifications 
  

							
	 Type
	  	 Bulk elements
	  	Value	  	Unit
	 Acceptors
	  	Boron /Aluminum (B + Al)	  	[*]	  	[*]
	 Donors
	  	Phosphorus /Arsenic (P + As)	  	[*]	  	[*]
	 Carbon Levels (first 6 months)
	  	Carbon (C)	  	[*]	  	[*]
	 Carbon Levels (after 6 months)
	  	Carbon (C)	  	[*]	  	[*]
	 Total Metals
	  	(Fe, Cu, Ni, Cr, Zn, Na)	  	[*]	  	[*]

 3. Size Specifications 
 Nominal Chunk Size: 
  

			
	[*] mm	  	approximately [*] by weight
	[*] mm	  	approximately [*] by weight
	[*] mm	  	approximately [*] by weight

 4. Certification & Elemental Analysis 
 Certification purified to the following analysis: 
 ASTM F 1723 
 ASTM F 1389 
 ASTM F 1391 
 5. Packaging 
 Double-packaged in polyethylene bags, weighed, and
bar-coded for tracking purposes. 
  

					
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 APPENDIX 2 
 PAGE 16 OF 34 

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THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

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 APPENDIX 3 
 [*][Pages 17-18 omitted] 
  

					
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	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

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 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
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THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

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 [*][Pages 17-18 omitted] 
  

					
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 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
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THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

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 [*] TEST [*] SIGN OFF SHEET 
 HOKU CONFIRMATION OF A SUCCESSFUL 
 [*] TEST [*] DEMONSTRATION 
 The parties have jointly executed and witnessed successful demonstration
of the [*] Test [*]. 
 Date(s) of [*] Test [*]:
                                        
                                     
 Location of [*] Test [*]:
                                        
                                        

 Number of [*] used in the [*] Test [*]:
                                        

 ITEMS FOR APPROVAL: 
  

							
	[*] Yes/No	 		 	HOKU Initials and Date:        	  	  

				
		 		 	SANYO Initials and Date:      	  	  

				
	[*] Yes/No	 		 	HOKU Initials and Date:        	  	  

				
		 		 	SANYO Initials and Date:      	  	  

	[*] Yes/No	 		 		  	
				
		 		 	HOKU Initials and Date:        	  	  

				
		 		 	SANYO Initials and Date:      	  	  

				
	 Successful [*] Test [*] completed? Yes / No
	 		 	HOKU Initials and Date:     	  	  

				
		 		 	SANYO Initials and Date:   	  	  

  

									
	SANYO:	 		 	HOKU:
			
	SANYO Electric Co., Ltd.	 		 	HOKU SCIENTIFIC, INC.
					
	By:	 	  
	 		 	By:	 	  

					
	Name:	 	  
	 		 	Name:	 	  

					
	Title:	 	  
	 		 	Title:	 	  

	Authorized Signatory	 		 	Authorized Signatory
					
	Date:	 	  
	 		 	Date:	 	  

  

					
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	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

 Appendix 3 to Supply Agreement 
 (Page 19 of 34) 

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 [*] TEST [*] SIGN OFF SHEET 
 HOKU CONFIRMATION OF A SUCCESSFUL 
 [*] TEST [*] DEMONSTRATION 
 The parties have jointly executed and witnessed successful demonstration
of the [*] Test [*]. 
 Date(s) of [*] Test [*]:
                                        
                                     
 Location of [*] Test [*]:
                                        
                                        

 Number of [*] used in the [*] Test [*]:
                                        

 ITEMS FOR APPROVAL: 
  

							
	[*] Yes/No	 		 	HOKU Initials and Date:     	 	  

				
		 		 	SANYO Initials and Date:   	 	  

				
	[*] Yes/No	 		 	HOKU Initials and Date:     	 	  

				
		 		 	SANYO Initials and Date:   	 	  

	[*] Yes/No	 		 		 	
				
		 		 	HOKU Initials and Date:     	 	  

				
		 		 	SANYO Initials and Date:   	 	  

				
	Successful [*] Test [*] completed? Yes / No	 		 	HOKU Initials and Date:  	 	  

				
		 		 	SANYO Initials and Date:	 	  

  

									
	SANYO:	 		 	HOKU:
			
	SANYO Electric Co., Ltd.	 		 	HOKU SCIENTIFIC, INC.
					
	By:	 	  
	 		 	By:	 	  

					
	Name:	 	  
	 		 	Name:	 	  

					
	Title:	 	  
	 		 	Title:	 	  

	Authorized Signatory	 		 	Authorized Signatory
					
	Date:	 	  
	 		 	Date:	 	  

  

					
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	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

 Appendix 3 to Supply Agreement 
 (Page 20 of 34) 

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
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THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 [*] TEST [*] SIGN OFF SHEET 
 HOKU CONFIRMATION OF A SUCCESSFUL 
 [*] TEST [*] DEMONSTRATION 
 The parties have jointly executed and witnessed successful demonstration
of the [*] Test [*]. 
 Date(s) of [*] Test [*]:
                                       
                                        
      
 Location of [*] Test [*]:
                                        
                                        

 Number of [*] used in the [*] Test [*]:
                                        

 ITEMS FOR APPROVAL: 
  

							
	[*] Yes/No	 		 	HOKU Initials and Date:     	 	  

				
		 		 	SANYO Initials and Date:   	 	  

				
	[*]	 		 	HOKU Initials and Date:     	 	  

				
	Acceptable?: Yes/No	 		 	SANYO Initials and Date:   	 	  

				
	[*]	 		 	HOKU Initials and Date:     	 	  

				
	Acceptable?: Yes/No	 		 	SANYO Initials and Date:   	 	  

				
	[*]	 		 	HOKU Initials and Date:     	 	  

				
	Acceptable?: Yes/No	 		 	SANYO Initials and Date:   	 	  

				
	[*]	 		 	HOKU Initials and Date:     	 	  

				
	Acceptable?: Yes/No	 		 	SANYO Initials and Date:   	 	  

				
	 Successful [*] Test [*] completed? Yes / No
	 		 	HOKU Initials and Date:  	 	  

				
		 		 	SANYO Initials and Date:	 	  

  

									
	SANYO:	 		 	HOKU:
			
	SANYO Electric Co., Ltd.	 		 	HOKU SCIENTIFIC, INC.
					
	By:	 	  
	 		 	By:	 	  

					
	Name:	 	  
	 		 	Name:	 	  

					
	Title:	 	  
	 		 	Title:	 	  

	Authorized Signatory	 		 	Authorized Signatory
					
	Date:	 	  
	 		 	Date:	 	  

  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

 Appendix 3 to Supply Agreement 
 (Page 21 of 34) 

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

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 APPENDIX 4 
 OFFICER’S CERTIFICATE OF GOVERNMENT AUTHORIZATIONS 
 Pursuant to Section 5.2.3 of the Supply Agreement (the “Supply Agreement”) dated January 17, 2007 between HOKU SCIENTIFIC, INC., (“HOKU”)
and SANYO ELECTRIC CO., LTD., the person signing below hereby certifies that the following statements are true and correct as of [date]. 
  

	 	i.	I am the [executive officer title] of HOKU. 

  

	 	ii.	HOKU has obtained all inspections, certifications, licenses, permits and other governmental approvals and authorizations (“Authorizations”) necessary as of the
current stage of development of the HOKU Facility that would be known by a reasonably prudent company engaged in the business of manufacture and sale of polysilicon in the United States of America; 

  

	 	iii.	To the best of HOKU’s knowledge, such Authorizations are in full force and effect; and 

  

	 	iv.	HOKU is not aware of any reason that HOKU will not obtain in the ordinary course of business all Authorizations required for the completion and operation of the HOKU
Facility. 

 All capitalized terms not otherwise defined herein have the meaning set forth in the Supply Agreement. 
 In witness whereof, I hereby certify to the truth of the above statements. 
  

			
	By:	 	  

		
	Name:	 	  

		
	Title:	 	  

		
	Date:	 	  

  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

 Appendix 4 to Supply Agreement 
 (Page 22 of 34) 

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 APPENDIX 5 
 [*] [Page 23 omitted] 
  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

 Appendix 5 to Supply Agreement 
 (Page 23 of 34) 

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 [*] TEST [*] SIGN OFF SHEET 
 HOKU CONFIRMATION OF A SUCCESSFUL 
 [*] TEST [*] DEMONSTRATION 
 The parties have jointly executed and witnessed successful demonstration
of the [*] Test [*]. 
 Date(s) of [*] Test [*]:  
 Location of [*] Test [*]:  
 ITEMS FOR
APPROVAL: 
  

							
	[*] Yes/No	 		 	HOKU Initials and Date:  	  	  

				
		 		 	SANYO Initials and Date:	  	  

  

									
	SANYO:	 		 	HOKU:
			
	SANYO Electric Co., Ltd.	 		 	HOKU SCIENTIFIC, INC.
					
	By:	 	  
	 		 	By:	 	  

					
	Name:	 	  
	 		 	Name:	 	  

					
	Title:	 	  
	 		 	Title:	 	  

	Authorized Signatory	 		 	Authorized Signatory
					
	Date:	 	  
	 		 	Date:	 	  

  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

 Appendix 5 to Supply Agreement 
 (Page 24 of 34) 

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 EXHIBIT A 
 ESCROW AGREEMENT 
 (ATTACHED)

  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

 Exhibit A to Supply Agreement 
 (Page 25 of 34) 

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 ESCROW AGREEMENT 
 This ESCROW AGREEMENT (this “Agreement”) is entered into as of January 17, 2007 (the “Effective Date”), by and among HOKU SCIENTIFIC, INC., a Delaware corporation (hereinafter
“HOKU”), SANYO Electric Co., Ltd. (hereinafter “SANYO”), (collectively, the “Parties”), and Bank of Hawaii, as Escrow Agent (the “Escrow Agent”). 
 BACKGROUND 
 On January 17, 2007, the Parties hereto entered into a Supply Agreement
(“Supply Agreement”), pursuant to which HOKU has agreed to sell Product (as defined in the Supply Agreement) to SANYO over a fixed period of time. Pursuant to the terms of the Supply Agreement, SANYO is obligated to make an advance deposit
to HOKU upon HOKU’s satisfaction of certain conditions precedent. 
 The execution and delivery of this Agreement by the Parties is required as a
condition to HOKU’s completing the transactions contemplated by the Supply Agreement. Each term utilized but not otherwise defined herein shall have the meaning given to such term in the Supply Agreement. 
 Escrow Agent is not a party to the Supply Agreement. Therefore, Escrow Agent has no duties or obligations under said Supply Agreement. 
 TERMS 
 NOW, THEREFORE, in consideration of the mutual
covenants contained herein and intending to be legally bound, the parties hereto agree as follows: 
 1. Escrow Account. 
 1.1. Escrow Funds. 
 1.1.1. The Escrow
Funds, initially in an amount equal to One Hundred Nine Million Three Hundred Thousand U.S. Dollars ($109,300,000) (the “Escrow Funds”), shall be deposited with and held by the Escrow Agent in a separate account located in the United
States (the “Escrow Account”) for the benefit of HOKU and SANYO, as provided in this Agreement. The Escrow Agent shall not make any payment or distribution from the Escrow Account except as, and in the manner, expressly provided in this
Agreement; provided, however, that the Escrow Funds shall remain the property of SANYO until such time as such funds are required under the terms of this Agreement to be delivered to HOKU, at which time the portion of such Escrow Funds required to
be delivered to HOKU shall become the property of HOKU. 
 1.1.2. Concurrently with the execution of this Agreement, SANYO has delivered the
Escrow Funds to the Escrow Agent pursuant to Section 5.2.1 of the Supply Agreement. 
 1.1.3. The Escrow Agent shall maintain the Escrow
Account reflecting (i) the amount of the Escrow Funds deposited with Escrow Agent as of the date of this Agreement, plus (ii) all amounts earned or realized on any cash or Permitted Investments (as defined below), minus (iii) all
amounts distributed pursuant to Section 1.3 of this Agreement. 
 1.1.4. Except as expressly provided in Section 1.1.1 or elsewhere
herein, none of the Parties shall have any right, title or interest in or possession of the Escrow Funds. Therefore, (i) none of the Parties shall have the ability to pledge, convey, hypothecate or grant a security interest in any portion of
the Escrow Funds unless and until such funds have been disbursed to such party in accordance with this Agreement and (ii) until disbursed pursuant to this Agreement, the Escrow Agent shall be in sole 

  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

 Exhibit A to Supply Agreement 
 (Page 26 of 34) 

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 
possession of the Escrow Funds and agrees not to acknowledge requests that it act as, and nothing contained in this Agreement shall be deemed to constitute
the Escrow Agent as, custodian for any party for purposes of perfecting a security interest therein. Accordingly, the Parties agree that no person or entity shall have any right to have or to hold any of the Escrow Funds as collateral for any
obligation and shall not be able to obtain a security interest in any assets (tangible or intangible) contained in or relating to the Escrow Account. 
 1.2. Investments. 
 1.2.1. All amounts earned or received with respect to cash or any Permitted
Investments shall be subject to the terms of this Agreement, and shall become part of the Escrow Funds. Any cash held in the Escrow Account shall, pending disbursement, be invested in Permitted Investments. For purposes of this Agreement,
“Permitted Investments” shall mean (i) U.S. Treasuries in accordance with written instructions of HOKU and SANYO; (ii) U.S. Federal Agencies in accordance with written instructions of HOKU and SANYO; and (iii) Money Market
Funds in accordance with written instructions of HOKU and SANYO (a “Joint Direction”). 
 1.2.2. The Escrow Agent may purchase or
sell to itself or any affiliate, as principal or agent. Such investment, if registerable, shall be registered in the name of the Escrow Agent for the benefit of the Parties and held by the Escrow Agent. The Escrow Agent shall be entitled to sell or
redeem any such investments as necessary to make any payments or distributions required under this Agreement. The Escrow Agent may act as purchaser or agent in the making or disposing of any investments. The Escrow Agent shall have no responsibility
or liability for any diminution of the Funds held in the Escrow Account which may result from any investment made pursuant to this Escrow Agreement, including any losses on any investment required to be liquidated prior to maturity in order to make
a payment or distribution required hereunder. 
 1.2.3. Such investments will be made as soon as possible following the availability of such
funds to the Escrow Agent for investment, taking into consideration the regulations and requirements (including cut-off times) of the Federal Reserve wire system, the investment provider and the Escrow Agent, and compliance with standard operating
procedures of such parties. 
 1.2.4. Investments designation may be changed through written instructions jointly by HOKU and SANYO to the
Escrow Agent, substantially in the form of a letter specifying other Permitted Investments meeting the requirements of the Escrow Agreement. Such change in the designation will become effective upon receipt by the Escrow Agent. 
 1.2.5. As and when any cash is needed for a payment under this Agreement, the Escrow Agent shall cause a sufficient amount of the Permitted Investments
to be converted into cash. Escrow Agent shall convert such Permitted Investments as specified by HOKU and SANYO or, if HOKU and SANYO shall fail to so specify within five Business Days of a request therefor, as determined by Escrow Agent in its sole
discretion. 
 1.2.6. Any and all interest, dividends and other income (including capital gains) (“Income”) earned on the Escrow
Funds shall not be included as part of the Escrow Funds and shall remain as the sole property of SANYO. The Escrow Agent shall distribute to SANYO such income or gains quarterly during the term of this Agreement. Any losses from the Permitted
Investments shall first be offset from Income and then deducted from the Escrow Funds. All Parties hereto shall file all tax returns consistent with such treatment. Escrow Agent shall not be responsible for any tax reporting hereunder. 

 

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

 Exhibit A to Supply Agreement 
 (Page 27 of 34) 

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	  
 

	  	CONFIDENTIAL

  

 1.3. Claim Procedure. 
 1.3.1. Within fifteen (15) Business Days after HOKU’s delivery to the Escrow Agent of the written confirmation of each of HOKU and SANYO of the
Success of the [*] Test [*] (as defined in the Supply Agreement) pursuant to Section 5.2.2(a) of the Supply Agreement and a signed copy of the Officer’s Certificate and Government Authorizations by HOKU (as
provided in Appendix 4 of the Supply Agreement), the Escrow Agent shall disburse to HOKU [*] ([*]) of the original amount of the Escrow Funds. 
 1.3.2. Within fifteen (15) Business Days after HOKU’s delivery to the Escrow Agent of the written confirmation of each of HOKU and SANYO of the Success of the [*] Test [*] (as
defined in the Supply Agreement) pursuant to Section 5.2.2(b) of the Supply Agreement and a signed copy of the Officer’s Certificate and Government Authorizations by HOKU (as provided in Appendix 4 of the Supply Agreement), the Escrow
Agent shall disburse to HOKU [*] ([*]) of the original amount of the Escrow Funds. 
 1.3.3. Within fifteen
(15) Business Days after HOKU’s delivery to the Escrow Agent of the written confirmation of each of HOKU and SANYO of the Success of the [*] Test [*] (as defined in the Supply Agreement) pursuant to
Section 5.2.2(c) of the Supply Agreement, and a signed copy of the Officer’s Certificate and Government Authorizations by HOKU (as provided in Appendix 4 of the Supply Agreement), the Escrow Agent shall disburse to HOKU [*]
([*]) of the original amount of the Escrow Funds. 
 1.3.4. Within fifteen (15) Business Days after HOKU’s delivery
to the Escrow Agent of the written confirmation of each of HOKU and SANYO that the Products (as defined in the Supply Agreement) meet specifications set forth in Appendix 2 attached to the Supply Agreement warranted by HOKU pursuant to
Section 7.1 of the Supply Agreement pursuant to Section 5.2.2(d) of the Supply Agreement and a signed copy of the Officer’s Certificate and Government Authorizations by HOKU (as provided in Appendix 4 of the Supply Agreement), the
Escrow Agent shall disburse to HOKU [*] ([*]) of the original amount of the Escrow Funds. It shall be a condition to any release of Escrow Funds to HOKU hereunder that HOKU shall have granted SANYO the security interest
described in Section 6.1 of the Supply Agreement. SANYO shall have a reasonable basis for refusing to execute any test or specification confirmation under Sections 1.3.1-1.3.4 hereunder (as applicable) if HOKU shall not have granted SANYO such
security interest. 
 1.3.5. If, with respect to any of the four installments described in Sections 1.3.1—1.3.4, respectively, of this
Agreement, (i) SANYO provides written notice to HOKU pursuant to Section 5.2.8(ii) of the Supply Agreement or otherwise fails to provide written confirmation of the achievement of the applicable criteria and (ii) HOKU disputes the
applicable findings or conclusions of SANYO, then HOKU may elect (by providing written notice to the Escrow Agent and SANYO) to resolve the controversy pursuant to the arbitration provisions of Section 14.4 of the Supply Agreement. If such an
arbitration results in a finding that the criteria required in connection with any such installment (other than the delivery of written confirmation by SANYO) had been achieved or that SANYO otherwise unreasonably withheld delivery of its applicable
confirmation, then the Escrow Agent shall immediately deliver to HOKU the amount of such installment out of the Escrow Funds. Notwithstanding anything to the contrary herein, it shall be a condition to any release of Escrow Funds to HOKU hereunder
that HOKU shall have granted SANYO the security interest described in Section 6.1 of the Supply Agreement. SANYO shall have a reasonable basis for refusing to execute any test or specification confirmation under Sections 1.3.1-1.3.4 hereunder
(as applicable) if HOKU shall not have granted SANYO such security interest. 
  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

 Exhibit A to Supply Agreement 
 (Page 28 of 34) 

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 1.3.6. Distributions of the Escrow Funds shall be made in cash to the extent available in the Escrow
Account, including cash derived from the liquidation of Permitted Investments in accordance with Section 1.2 hereof. 
 1.3.7. Joint
Direction. Notwithstanding any other provision of this Escrow Agreement, the Escrow Agent shall promptly deliver all or any part of the Escrow Funds in accordance with the terms of a Joint Direction, unless a final order of a court of competent
jurisdiction prohibits the Escrow Agent from complying with the terms thereof. Any amount distributed pursuant to this Section 1.3.7 shall be deducted from the Escrow Account. 
 1.3.8. Release to SANYO. The Escrow Agent shall release the entire amount of the Escrow Funds to SANYO within fifteen (15) Business Days
after SANYO’s delivery to the Escrow Agent of the written confirmation of each of HOKU and SANYO that the Escrow Funds are to be released to SANYO pursuant to Section 9.5 of the Supply Agreement. In the event that HOKU fails to provide
written confirmation of the release of the Escrow Funds to SANYO pursuant to Section 9.5 of the Supply Agreement, then SANYO may elect (by providing written notice to the Escrow Agent and HOKU) to resolve the controversy pursuant to the
arbitration provisions of Section 14.4 of the Supply Agreement. If such an arbitration results in a finding that Section 9.5 requires the Escrow Funds to be released to SANYO, then the Escrow Agent shall immediately deliver to SANYO such
Escrow Funds. Notwithstanding anything herein to the contrary, the Escrow Agent shall not release any portion of the Escrow Funds pursuant to this Section 1.3.8 unless it has received (a) the written confirmation executed by both HOKU and
SANYO as required by this Section 1.3.8, (b) a final written arbitral order obtained in accordance with Section 14.4 of the Supply Agreement providing that Section 9.5 requires the Escrow Funds to be released to SANYO, or
(c) upon a joint direction pursuant to Section 1.3.7 above. 
 1.4. Distributions and Termination of Escrow. 
 1.4.1. This Agreement shall terminate on the earlier to occur of (i) after disbursement to HOKU or SANYO of the Escrow Funds pursuant to
Section 1.3 above, as applicable; (ii) the date which is thirty-six months from the date of signing of the Escrow Agreement (the “Final Distribution Date”); and (iii) upon receipt of a Joint Direction ordering such
distribution. The date when this Agreement terminates shall be the “Termination Date”. 
 1.4.2. On the Final Distribution Date,
this Agreement shall terminate and the Escrow Agent shall distribute to SANYO the then remaining balance of the Escrow Account. 
 2. The Escrow
Agent. 
 2.1. Acceptance of Appointment as Escrow Agent. The Escrow Agent, by signing this Agreement, accepts the appointment as
Escrow Agent and agrees to hold and distribute all Escrow Funds in accordance with the terms of this Agreement. 
 2.2. Liability of
Agent. The Escrow Agent shall be obligated to perform only the duties described in this Agreement. The Escrow Agent may rely on any instrument or signature believed by it to be genuine and to have been signed or presented by the proper party or
parties duly authorized to do so. The Escrow Agent shall not be liable for any action taken or omitted by it in good faith and believed by it to be authorized, nor for any action taken or omitted by it in accordance with advice of counsel, and shall
not be liable for any mistake of fact or error of judgment or for any acts or omissions of any kind unless caused by its willful misconduct or gross negligence. Each party (other than the Escrow Agent) agrees jointly and severally, to indemnify the
Escrow Agent and to hold it harmless against any and all liabilities, including reasonable attorneys’ fees, incurred by it as a consequence of that party’s action, and the parties 

  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

 Exhibit A to Supply Agreement 
 (Page 29 of 34) 

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 
(other than the Escrow Agent) agree jointly and severally to indemnify the Escrow Agent and to hold it harmless against any and all liabilities, including
reasonable attorneys’ fees, incurred by it which are not a consequence of any party’s action, except in either case for the Escrow Agent’s own willful misconduct or gross negligence. The indemnity contained in this Section 2.2
shall survive the termination of this Agreement and the resignation or removal of the Escrow Agent. 
 2.3. Advice of Counsel. The
Escrow Agent shall be entitled to consult with counsel of its choice with respect to the interpretation of the provisions hereof, and any other legal matters relating hereto, and shall be fully protected in taking any action or omitting to take any
action in good faith in accordance with the advice of such counsel. 
 2.4. Fees of Escrow Agent. The Escrow Agent shall serve
hereunder in consideration of the fees described on Schedule A attached hereto and the reimbursement of any expenses and other charges reasonably incurred by the Escrow Agent in connection with the performance of its duties hereunder. Except as
provided in Sections 2.2 and 2.7, all such fees, expenses and other charges of the Escrow Agent (the “Escrow Agent Fees and Expenses”) shall be paid by SANYO and deducted from the interest income prior to distribution of interest income to
SANYO. This Section 2.4 shall survive the termination of this Agreement and the resignation or removal of the Escrow Agent. Legal fees incurred by the Escrow Agent to establish this Agreement shall be paid by the Escrow Agent. 
 2.5. Statements. The Escrow Agent shall mail to HOKU and SANYO a written accounting of all transactions relating to the Escrow Account not less
frequently than quarterly. 
 2.6. Successor. If the Escrow Agent at any time resigns, refuses to act or is removed pursuant to a
Joint Direction, then a successor Escrow Agent shall be jointly selected by HOKU and SANYO, or if HOKU and SANYO cannot agree, the successor Escrow Agent shall be selected by HOKU. Any successor Escrow Agent shall be a national banking association
which has a net worth in excess of $1,000,000,000 and has a principal place of business located in the State of California. 
 2.7.
Conflict. In the event of any conflicting or inconsistent claims or demands being made in connection with the subject matter of this Agreement, or in the event that the Escrow Agent is in doubt as to what action it should take hereunder, the
Escrow Agent may, at its option, refuse to comply with any claims or demands on it, or refuse to take any other action hereunder so long as such disagreement continues or such doubt exists, and in any such event, the Escrow Agent shall not be or
become liable in any way or to any person for its failure or refusal to act, and the Escrow Agent shall be entitled to continue to refrain from acting until (i) the rights of all parties have been fully and finally adjudicated by a court of
competent jurisdiction and the Escrow Agent has received a copy of such adjudication, or (ii) all differences shall have been settled and all doubt resolved by agreement among all of the parties, and the Escrow Agent shall have been notified
thereof in writing signed by all such parties. In addition to the foregoing rights, in the event the Escrow Agent has any doubt as to the course of action it should take under this Agreement, the Escrow Agent is hereby authorized to petition any
court of competent jurisdiction for instructions or to interplead the Escrow Funds into such court. The parties agree to the jurisdiction of the court selected by the Escrow Agent over their persons as well as the Escrow Funds, waive personal
service of process, and agree that service of process by certified or registered mail, return receipt requested, to the addresses provided in or pursuant to Section 3.6 for each party shall constitute adequate service. The parties to the
Agreement hereby agree, jointly and severally, to indemnify and hold the Escrow Agent harmless from any liability or losses occasioned thereby and to pay any and all of its fees, costs, expenses, and counsel fees and expenses incurred in any such
action and agree that, on such petition or interpleader action, the Escrow Agent, its servants, agents employees or officers will be relieved of further liability. 
  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

 Exhibit A to Supply Agreement 
 (Page 30 of 34) 

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 2.8. Resignation of Escrow Agent. The Escrow Agent may resign for any reason, upon 30 days
written notice to the HOKU and SANYO. Upon expiration of such 30 day notice period, the Escrow Agent may deliver all cash and other property in its possession, after the payment of all fees and expenses of the Escrow Agent, under this Agreement to
any successor Escrow Agent appointed jointly by HOKU and SANYO, or if no successor Escrow Agent has been so appointed, to any court of competent jurisdiction in the State of California. SANYO hereby agrees to pay any and all of the Escrow
Agent’s fees, costs, expenses, and counsel fees and expenses incurred in any such petition or action required to be filed by Escrow Agent. Upon either such delivery, the Escrow Agent shall be released from any and all liability under this
Agreement. A termination under this Section shall in no way affect reimbursement of expenses, indemnity and fees. The Escrow Agent shall have the right to deduct from the Escrow Funds to be transferred to any successor agent any unpaid fees and
expenses. 
 3. Miscellaneous. 
 3.1.
Successors; Heirs and Assigns. The provisions of this Escrow Agreement shall be binding upon and shall inure to the benefit of the parties hereto and their respective successors, heirs and assigns; provided, however, that no party may assign,
delegate or otherwise transfer any of its rights or obligations under this Agreement without the consent of the other parties hereto, except that HOKU may assign this Agreement to HOKU Materials with written notice to the other parties. 

3.2. Survival. All agreements, representations and warranties made in this Agreement or in any document delivered pursuant to this Agreement
shall survive the execution and delivery of this Agreement and the delivery of any such documents. 
 3.3. Governing Law. This
Agreement shall be governed by and construed in accordance with the laws of the State of California, without giving effect to principles of conflicts of laws. 
 3.4. Counterparts; Headings. This Agreement may be executed in one or more counterparts, each of which shall be deemed an original, but such counterparts shall together constitute but one and the same
agreement. The Article and Section headings in this Agreement are inserted for convenience of reference only and shall not constitute a part of this Agreement. 
 3.5. Entire Agreement. This Agreement and the Supply Agreement and the schedules, exhibits and documents referred to herein and therein contain the entire understanding of the parties with respect to the
subject matter hereof and supersede all prior negotiations, agreements and undertakings among the parties with respect to such subject matter. There are no restrictions, promises, warranties, covenants or undertakings other than those expressly set
forth herein and therein. 
 3.6. Notices. All notices, requests, demands and other communications hereunder shall be in writing, and
shall be deemed to have been duly given if delivered by overnight courier, sent by mail to the respective parties or personally delivered addressed as follows: 
 If to SANYO: 
 SANYO Electric Co., Ltd. 
 15-2
Nishikiminami-machi 
 Kaizuka City, Osaka, 597-0094, Japan 
 Attn: Mr. Yasuyoshi Kawanishi, General Manager 
 E-mail: [*] 
  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

 Exhibit A to Supply Agreement 
 (Page 31 of 34) 

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 Facsimile: [*] 
 If to HOKU: 
 HOKU SCIENTIFIC, INC. 
 1075 Opakapaka
Street 
 Kapolei, Hawaii 96707, USA 
 Attn: Mr. Dustin
Shindo, CEO 
 E-mail: [*] 
 Facsimile: +1
(808) 682-7807 
 If to Escrow Agent: 
 Bank of Hawaii

 111 South King Street 
 Honolulu, HI 96813, USA 
 Attn.: Kamani B. Kuala’au 
 E-mail: [*] 
 Facsimile: [*] 
 or to such other address as such party may
designate by written notice to the other parties hereto. Any such notices, requests, demands or other communications shall be deemed to have been duly given when received if delivered personally or, if mailed, on the date five (5) days after
the date so deposited in the mails, postage prepaid, return receipt requested or on the day following the day sent if sent by prepaid overnight delivery service. Notices, requests and other communications hereunder may be delivered by electronic
facsimile transmission (fax) if confirmation by sender is made within three (3) Business Days by mail or personal delivery. All periods of notice shall be measured from the date of deemed delivery thereof. 
 3.7. Amendment or Modification of this Agreement. This Agreement may be amended or modified at any time with the written agreement of Escrow
Agent, HOKU and SANYO. 
 3.8. Severability. Any provision of this Agreement which is prohibited or unenforceable in any jurisdiction
shall, as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions of this Escrow Agreement or affecting the validity or enforceability of such provision in any other
jurisdiction. 
 [This space intentionally left blank.] 
  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

 Exhibit A to Supply Agreement 
 (Page 32 of 34) 

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed on the day and year first written
above. 
  

									
	SANYO:	 		 		 	HOKU:
			
	SANYO Electric Co., Ltd.	 		 	HOKU SCIENTIFIC, INC.
					
	By:	 	 

  
	 		 	By:	 	 

	Name:	 	Tadao Shimada	 		 	Name:	 	Dustin Shindo
	Title:	 	Senior Vice President	 		 	Title:	 	Chairman & CEO
	Authorized Signatory	 		 	Authorized Signatory
				
	ESCROW AGENT:	 		 		 	
					
	By:	 	 

	 		 		 	
	Name:	 	Kamani B. Kuala’au	 		 		 	
	Title:	 	Assistant Vice President	 		 		 	
	Authorized Signatory	 		 		 	
					
	By:	 	 

	 		 		 	
	Name:	 	David D.W. Chung	 		 		 	
	Title:	 	Vice President	 		 		 	
	Authorized Signatory	 		 		 	

  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

 Exhibit A to Supply Agreement 
 (Page 33 of 34) 

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
	

	  	CONFIDENTIAL

  

 SCHEDULE A 
 ESCROW FEE SCHEDULE 
  

					
	 SANYO Initials & Date:
	 		 	 HOKU Initials & Date:

			
	  
 

  
	 		 	 

 Exhibit A to Supply Agreement 
 (Page 34 of 34)Contract dated January 21, 2007

 Exhibit 10.43 
 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS,
HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE
COMMISSION PURSUANT TO RULE 24b-2 OF THE SECURITIES EXCHANGE ACT OF 1934, AS
AMENDED. 
 Contract (Proposal) 
 Contract No.: GEC/MSA200701 
 Date of Signature: January 21, 2007 
 The Contract is made and entered into through friendly negotiation by and between 
 Hoku Scientific Inc. a corporation organized and existing under the laws of Delaware (hereinafter referred to as the “Purchaser”) having its principal office at 1075 Opakapaka St., Kapolei, HI 96707 as one party and 
 MSA Apparatus Construction for Chemical Equipment Ltd., a company organized and existing under the laws of the United Kingdom, having its registered office at 88a Tooley
Street, London Bridge, London, UK, in corporation with GEC Graeber Engineering Consultants GmbH Germany a corporation organized and existing under the laws of Federal Republic of Germany having its registered office at Haydnstrasse 12, 85521
Ottobrunn, Germany, (hereinafter collectively referred to as the “Supplier”) as the other party, under the following terms and conditions: 
 Chapter 1 Definitions 
 In the Contract unless the context otherwise defines, the meanings herein assigned to them: 
  

	1.1	Equipment means the group of components comprising of the group of items listed in the Technical Annexes. These include the following sets: 

 Set Hydrogen Reduction Reactors [*] (the “Reactor Set”), comprising of: 
  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

 Set Hydrogenation Reactor Set
(the “Hydrogenation Set”), comprising of: 
  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	1.2	Contract Price means the sum payable to the Supplier under the contract for full and proper performance of its contractual obligations (including equipment and technical services)

  

	1.3	Contract Currency means, the currency in which the payment is made under the contract. The currency is EURO. 

  

	1.4	Attendance of Erection and Commissioning refers to the attendance and guidance at the time of equipment erection including placement and to the attendance and guidance at the time
of the Commissioning Test (meaning the mechanical and electrical functionality) of the equipment at the Work Site. 

  

					
	Supplier Initials 

	  	1	  	Purchaser Initials 

	& Date 21.01.2007	  		  	& Date 21/1/2007

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	1.5	Reactor Demonstration refers to the erection and demonstration of at least one reactor set and at least one hydrogenator set producing at least [*] of polysilicon from operation.

  

	1.6	Performance Test Runs of the equipment refers to the test conducted at the Work Site in order to check the actual performance of the equipment meets the performance and product
specifications as described in Annex 9. 

  

	1.7	Certificate of Commissioning refers to the certificate signed by an officer of Purchaser after the successful completion of the Commissioning Test for each piece of equipment before
start-up. 

  

	1.8	Port of Shipment: Hamburg, Germany. Port of Unloading: USA (exact location to be determined). 

  

	1.9	Work Site refers to Polysilicon Plant build in Pocatello, Idaho, USA. 

  

	1.10	Technical Documentation refers to the documentation that includes the technical data, specifications, drawings (accord. to ASME requirements), inspection, erection, commissioning,
performance testing, operating and maintenance of the equipment. 

 Scope of technical documentation is specified in Annex 5.

  

	1.11	Technical Service means the technical information, provided by the Supplier to the Purchaser with respect to EPCM design input and erection, commissioning, performance test,
instruction for operation and maintenance of the equipment. Scope of technical service is defined in Annexes 1, 2, 3, 4, 5 and 6. 

  

	1.12	Warranty Period: The warranty shall remain valid for 18 (eighteen) months from the date on which the Certificate of Commissioning for equipment had been issued by the purchaser.
During warranty period, the Supplier guarantees the proper and stable quality of the Equipment and is responsible for repair or replacing any defective parts of the Equipment. 

  

	1.13	Inspection authorities refers to the local inspection branch of state administration for entry-exit located at/ or near the port of unloading and/or the work site.

 Chapter 2 Scope of Contract 
  

	2.1	The Purchaser agrees to buy from the Supplier and the Supplier agrees to sell to the Purchaser as stipulated under Chapter 1 EquipmentTechnical Documentation and Technical Services
including design input with the EPCM, verification of design, supervision of erection and commissioning (detailed scope of supply and detailed technical conditions as stipulated in the Technical Annexes 1 through 7 to this contract).

  

					
	Supplier Initials 

	  	2	  	Purchaser Initials 

	& Date 21.01.2007	  		  	& Date 21/1/2007

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	2.2	The Supplier guarantees the performance of the Equipment at the Work Site as specified in Annexes 1 and 7. 

  

	2.3	The Supplier agrees to take part in a Reactor Demonstration at the earliest possible time at the Work Site. The Purchaser agrees to pay the Supplier for the Equipment and Costs
needed to conduct the test at that time. 

  

	2.4	The Supplier shall dispatch experienced and competent persons to the Work Site and other locations as needed in order to provide the purchaser with Technical Services as specified
in Annexes 3-5. 

  

	2.5	The Technical Documentation specified in Annexes 2, 4, and 5 will be reviewed and approved by the Purchaser. If there are reasonable requests from the Purchaser including
clarification or guidance, the Supplier will cooperate with the Purchaser in good faith. 

  

	2.6	The Purchaser agrees to conduct Performance Tests and prove that the Equipment meet and adhere to the parameters specified in Annex 7. 

  

	2.7	The Supplier agrees to pay for shipping and insurance of the equipment from Ex Works to Hamburg, Germany. 

  

	2.8	The Purchaser agrees to pay for shipping and insurance of the equipment from Hamburg Germany to the Work Site. 

 Chapter 3 Price 
  

	3.1	The total contract price for the Equipment, Technical Documentation and Technical Services under the contract for 1,500 metric tons is 15,700,000 Euro. 

  

	3.1.1	At any time prior to payment of the Initial Payment pursuant to Chapter 4.2 below, Purchaser may elect to increase the capacity of the Equipment from 1,500 metric tons per year to
2,000 metric tons per year, in which case the total contract price for the Equipment, Technical Documentation and Technical Services under the contract shall be 20,900,000 Euro. 

  

	3.1.2	At any time prior to payment of the Initial Payment pursuant to Chapter 4.2 below, Purchaser may opt to not purchase the Hydrogenation Sets, in which case the total contract price
set forth in item 3.1 shall be reduced to [*] Euro and the contact price set forth in item 3.1.1 shall be reduced to [*] Euro. The Purchaser may make such election by providing written notice to the Supplier at any time prior to payment of the
Initial Payment. In the event that the Purchaser makes such election, then all references to “Equipment” in this Agreement and in the Technical Annexes shall exclude the Hydrogenation Sets. 

  

					
	Supplier Initials

	  	3	  	Purchaser Initials 

	& Date 21.01.2007	  		  	& Date 21/1/2007

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	3.2	The total Contract price as specified in Chapter 3.1, 3.1.1, or 3.1.2 as applicable, is a fixed price and includes all Equipment, Technical Documentation and Technical Services
provided hereunder. 

 Chapter 4 Terms of payment 
  

	4.1	All payments to be made by the Purchaser to the Supplier shall be affected through the Purchaser bank and the Supplier bank in EURO. The Purchasers bank and the Supplier bank shall
be international “A” rated banks. 

  

	4.2	Initial payment, within six (6) months after signing the contract, of 15% (the “Initial Payment”) to GEC/MSA starts the equipment delivery process. Estimated delivery
time for all the Equipment is 15 months for 1,500 metric tons and 18 months for 2,000 metric tons after receiving this Initial Payment. At this time, the complete Technical Documentation, drawings, specifications, bill of quantity and the proven
subsupplier-network will be deposited into a third party escrow account on behalf of the Purchaser. If the Supplier fails to fulfill his contract obligations, such documentation shall be released from escrow to Purchaser. Payment of the remaining
85% of the contract price shall be paid as follows: 

  

	4.2.1	Letter of Credit 

  

	 	A.	65% (Say: sixty-five percent) of the Contract price at delivery (shipment) of the Equipments through an irrevocable Letter of Credit issued within six months after signing the
contract, in favor of the Supplier for the said amount. The Letter of Credit has to allow partial delivery and has no expiry date 

 The 65% partial Contract price shall be paid in within 4 weeks, after the following documents have been received by the negotiation (purchaser) bank: 
  

	 	a.	Three (3) originals and three (3) duplicate copies of clean on board ocean bill of lading made out to order, blank endorsed, notifying the Purchaser and marked FREIGHT
PREPAID. 

  

	 	b.	Five (5) copies of commercial invoice indicating the amount to be paid and the itemized price. 

  

	 	c.	One (1) original and five (5) duplicate copies of detailed packing list, indicting the shipping weight, number and the date of the corresponding invoice.

  

	 	d.	One (1) original and five (5) duplicate copies of ex-works quality certificate, issued by the manufacturer and countersigned by the Purchaser’s authorized
representative. 

  

	 	e.	Three (3) originals and three (3) copies of “Certificate of Conformity” according TÜV Certificate. 

  

	 	f.	Two (2) copies of sight draft. 

  

	 	g.	One (1) original and five (5) duplicate copies of certificate of origin, issued by relevant authorities of the manufacturer’s country. 

  

	 	h.	One (1) copy of fax advising the purchaser of the shipment, immediately after it is made. 

 After payment of the foregoing amount, the Letter of Credit may be closed by 
  

					
	Supplier Initials 

	  	4	  	Purchaser Initials 

	& Date 21.01.2007	  		  	& Date 21/1/2007

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

 
the Purchaser. 
  

	4.2.2	Reactor Demonstration 

 Within four weeks after the
successful completion of the Reactor Demonstration, the Purchaser shall effect the payment of [*] ([*]) of the contract price by Telegraphic Transfer (T/T). 
  

	4.2.3	Retention Money 

 Within four weeks after the earlier of
(i) expiration of the warranty period; and (ii) thirty (30) months from the date of delivery as stipulated in the contract, the Purchaser shall effect the payment of [*] ([*]) of the contract price by Telegraphic Transfer (T/T).

 Chapter 5 Delivery 
  

	5.1	The Supplier shall complete the delivery of Equipment at Port of Hamburg Germany within 15 months after the date the Supplier has received the Initial Payment.

  

	5.1.1	If the Purchaser elects to increase the capacity of the Equipment from 1,500 metric tons per year to 2,000 metric tons per year, the Supplier shall complete the delivery of the
additional Equipment for the additional 500 metric tons of capacity at Port of Hamburg, Germany within 3 months after the first shipment of Equipment pursuant to Chapter 5.1 above. 

  

	5.2	Not fewer than 14 days before the readiness for the shipment, the Supplier shall notify the purchaser by Fax of the following information: 

  

	 	a)	Contract Number 

  

	 	b)	Total volume 

  

	 	c)	Total gross weight of packages 

  

	 	d)	Total number of packages 

  

	 	e)	Port of shipment 

  

	 	f)	Name, total gross weight and measurement of each piece exceeding nine (9) metric tons in weight or over 3,400 mm in width, or over 2,350 mm on both sides in height

  

	 	g)	Name, weight, IMCO No. (as per International Maritime Dangerous Goods Code) of the dangerous and/or inflammable goods 

  

	5.3	In the meantime the Supplier shall airmail the following documents in six (6) copies to the Purchaser: 

  

	 	a)	The details list of the shipment, covering contract No., the contract equipment , specification, type, quantity, unit/total price, unit weight, unit/total volume, the overall
dimensions of each package (length x width x height), total number of packages 

  

	 	b)	Overall packing sketch for each large piece exceeding nine (9) metric tons in weight or over 2,400 mm in width or over 2,350 mm on both sides in height

  

					
	Supplier Initials 

	  	5	  	Purchaser Initials 

	& Date 21.01.2007	  		  	& Date 21/1/2007

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	 	c)	Description of any dangerous and/or inflammable goods indicating names, properties, special protective measures and handling methods in case of accident 

  

	 	d)	Description of the special precautions for the contract Equipment that requires special storage and transportation. 

  

	5.4	Unless or otherwise agreed by the Purchaser, shipment on deck or transshipment is not acceptable. 

  

	5.5	Ten (10) calendar days before the expected departure date of the carrying vessel from the port of shipment, the Supplier shall notify the Purchaser the nationality of the
carrying vessel, estimated date of shipment, estimated date of arrival at the port of destination, contract No., name of the contract equipment, contract equipment item no., quantity, weight and volume and other relevant matters.

 Within two (2) days after the loading the equipment, the Supplier shall airmail one (1) duplicate copy of the Bill of Lading,
signed commercial invoice, ex-work quality certificate of origin and packing list to the Purchaser. 
 In case the goods are not insured in time by the
purchaser owing to the Supplier having failed to give timely advices, any and all consequent losses shall be born by the Supplier. 
  

	5.6	The third (3) party Ocean Bill of Lading is not acceptable. 

  

	5.7	In case the Supplier fails to make complete delivery within 15 months from the date of the Initial Payment for 1,500 metric tons per year or within the next 3 months after such
delivery date for the additional 500 metric tons per year (if applicable), the Supplier shall pay the liquidated damages for late delivery at the following rates: 

  

	 	a)	From the first to the fourth week, the liquidated damages shall be [*] ([*]) of the value of the delivered equipment per week 

  

	 	b)	From the fifth week on, the liquidated damages shall be [*] ([*]) of the value of the delivered equipment per week 

  

	 	c)	Less than one week shall not be counted as a complete week for calculation of the liquidated damages. 

  

	 	d)	The total amount of the liquidated damages shall not exceed [*] ([*]) of the price of the delivered equipment 

 The payment of liquidated damages shall not release the Supplier from their obligation to deliver the delayed equipment. 
  

	5.8	In case the equipment is lost or damaged during the ocean transportation, the Supplier shall upon the request and on payment of the Purchaser, supplementary supply of the same at
the original contract price and pursuant to the same terms and conditions described herein. 

  

					
	Supplier Initials 

	  	6	  	Purchaser Initials 

	& Date 21.01.2007	  		  	& Date 21/1/2007

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

 Chapter 6 Packing and Marking 
  

	6.1	Unless otherwise specified in the contract, the equipment shall be packed by the Supplier in new wooden cases, and all packing expenses shall be for the Supplier’s account.
Necessary measures shall be taken to protect the equipment from damages caused by moisture, rain rust, corrosion, shock and to ensure the equipment to withstand numerous handling, loading and unloading as well as long distance ocean and inland
transportation for the safe arrival of the equipment at the work-site. 

  

	6.2	The loose accessories in package or bundle shall be labeled by the Supplier indicating contract No., name of equipment, name of accessories and their position number, and accessory
number marked on assembly drawings. Spare parts and tools shall be marked with the word “Spare parts or tools” besides the above mentioned particular. 

  

	6.3	The Supplier shall on four (4) adjacent sides of each package mark conspicuous the following information in English with indelible paint: 

  

	 	a)	Contract No.: 

  

	 	b)	Shipping mark: 

  

	 	c)	Destination: 

  

	 	d)	Consignee: 

  

	 	e)	Name of contract equipment and item No.: 

  

	 	f)	Case/bale No.: 

  

	 	g)	Gross/net weight 

  

	 	h)	Measurement 

  

	6.4	Should the equipment weigh more than 2 metric tons, the weight, gravity and hoisting positions shall be marked in English with international trade transportation marks on the four
adjacent sides on each case so as to facilitate unloading and handling. 

 In accordance with different requirements in loading,
unloading and shipping, the package shall be conspicuously marked with “Handle with care, right side up, keep dry” in English and with appropriate international trade marks. 
  

	6.5	The following documents shall be enclosed in each package of the equipment: 

  

	 	a)	Two (2) duplicate copies of detailed packing list 

  

	 	b)	Two (2) duplicate copies of quality certificate 

  

	 	c)	Two duplicate copies of technical documentation for relevant contract equipment 

  

	6.6	In case of container transportation, the Supplier shall examine the condition of the containers, so that only those in good condition shall be used for delivery of the equipment.

  

					
	Supplier Initials 

	  	7	  	Purchaser Initials 

	& Date 21.01.2007	  		  	& Date 21/1/2007

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

 Sufficient shores or chocks shall be provided in order to prevent the equipment from moving inside
the containers. The Supplier shall be liable for any damage to the equipment thus incurred due to the negligence of the Supplier. 
  

	6.7	If the equipment is damaged or lost due to improper packing or inadequate protective measure, the Supplier shall be responsible for repair, replacement or compensation in accordance
with the contract. If the equipment is mis-transported due to mistake or ambiguousness in package or shipping marks, the Supplier shall bear additional expenses thus incurred. 

  

	6.8	The Supplier shall use wooden packages free from any insect infestation. Should insect infestation be found in quarantine inspection, the Supplier shall bear the cost incurred in
fumigation or replacement of the packages at the port of unloading, and the liquidated damages provision of Chapter 5.7 above shall apply to any delay in shipment caused by such quarantine inspection. 

 Chapter 7 Standards and Inspections 
  

	7.1	The Supplier shall carry out design and inspection of the equipment according to the Technical Annexes. 

  

	7.2	The Supplier shall inspect the equipment and issue the ex-works quality certificate. All expenses involved shall be for the Suppliers account. The ex-works quality certificate shall
be submitted to the Purchaser. 

  

	7.3	The Purchaser will send its inspectors (for one week) to the Supplier country to inspect the quality of the equipment together with the Supplier inspectors. In addition to
Purchaser’s inspectors, Purchaser’s lenders and shareholders may also send their inspectors. The expenses of sending Purchaser’s inspectors, or the inspectors of Purchaser’s lenders and shareholders, shall be for the
Purchaser’s account. 

  

	7.4	The Supplier shall notify the Purchaser of the inspection date four (4) weeks in advance. The letter of invitation shall be submitted by the Supplier. 

 

	7.5	The equipment shall be examined in the presence of the Purchaser’s inspectors and both parties shall sign an “inspection certificate”. Afterwards the equipment shall
be shipped. 

  

	7.6	In addition to the foregoing, Purchaser, its authorized representatives and its lenders, shareholders and their respective authorized representatives, may inspect the equipment at
any time prior to shipment. The expenses of any such inspection shall be for the Purchaser’s account. 

  

	7.7	The Supplier shall take into consideration the opinions of the Purchasers inspector’s and shall take necessary measures to eliminate the defect or discrepancy, if any, for its
own account. 

  

	7.8	 The pre-delivery inspection shall not be a substitute for the inspection of the equipment at the port of unloading or the work site of the Purchaser and shall

  

					
	Supplier Initials 

	  	8	  	Purchaser Initials

	& Date 21.01.2007	  		  	& Date 21/1/2007

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	 	 
not release the Supplier from its guarantee obligations as further specified in the contract. 

  

	7.9	The open package inspection on the equipment shall be performed by the inspection authorities at the work site of the Purchaser. 

  

	7.10	In case of container transportation the opening and return of the containers shall not be regarded as open-package inspection. 

  

	7.11	Should the equipment be found defective before the expiration of warranty period for any reason, including but not limited to latent defect or the use of unsuitable materials the
Purchaser has the right to apply to the inspection authorities for inspection and lodge claims against the Supplier on the strength of the inspection certificate. 

  

	7.12	The technical documentation will be carried out in English. 

 Chapter 8 Attendance of Erection and Commissioning and Performance Test 
  

	8.1	Erection and commissioning of the equipment shall be carried out by the Purchaser under the supervision of the Supplier. The Supplier shall provide technical instruction for the
Purchaser as well. The scope of the technical services is specified in Technical Annexes. The price for attendance of erection shall be for the Supplier account. The price for attendance of commissioning by the Supplier’s experts shall be for
the Supplier account. 

  

	8.2	The Purchaser and Supplier shall carry out the Commissioning Test to check the mechanical and electrical operation of the equipment. In case all the requirements specified in the
Technical Annexes have been fulfilled, a test certificate for the equipment shall be signed by the two parties on the date when the test is successfully done. 

  

	8.3	The Reactor Demonstration, Performance Test Run and Commissioning Test Certificate of the equipment shall not release the Supplier from his warranty for the equipment.

 Chapter 9 Warranty 
  

	9.1	The Supplier guarantees that the contract equipment shall be completely brand new and complies in materials, workmanship in all respects with the quality and specifications
stipulated in this contract. 

  

	9.2	 The Supplier guarantees that the use of contract equipment is free of any infringement claim raised by a third party. In case the Purchaser is accused of illegal
exploitation or infringement of any know-how and/or patent and/or other intellectual property rights arising from the use of contract equipment, the Purchaser shall give the Supplier a notice and the Supplier shall take up the matter with third
party at its own cost in the Purchaser’s name and with Purchasers assistance and indemnify the Purchaser for any cost, compensations or damages arising there from. In no event shall Supplier 

  

					
	Supplier Initials 

	  	9	  	Purchaser Initials 

	& Date 21.01.2007	  		  	& Date 21/1/2007

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	 	 
settle or compromise any third party claim without the prior written consent of Purchaser. 

  

	9.3	The Supplier guarantees that the technical documentation shall be complete, clear and correct so as to meet the requirements of design, inspection, erection, commissioning,
performance test, operation and maintenance of the equipment. 

  

	9.4	The Supplier guarantees that qualified technical persons shall be dispatched within [*] hours after notification from the Purchaser and confirmation from the Supplier of an
equipment defect to provide professional and technical service. If the Supplier does not arrive at the Purchaser’s facility within [*] hours after confirmation from the Supplier of such a notification, then the Supplier shall pay the Purchaser
$[*] per day for each day that the equipment is not operational due to the defect. 

  

	9.5	Within the Warranty Period, in case of any defects caused by the reasons of inferior quality, bad workmanship and use of inferior materials, the Supplier shall dispatch engineers to
the Purchaser site and remove the said defection at the Suppliers expenses. 

  

	9.6	Should the defection be due to the fact that the goods were delivered not in accordance with the attached technical specifications the Supplier shall be liable to repair at
Supplier’s cost and/or devalue the defected goods. 

  

	9.7	The Supplier represents and warrants that the Supplier is not subject to any contract or duty that would be breached by the Supplier entering into or performing the Supplier’s
obligations under this contract or that is otherwise inconsistent with this contract. Supplier will not disclose to Purchaser, will not bring into Purchaser’s facilities, including the Work Site, and will not induce Purchaser to use any
confidential or proprietary information of any third party. 

 Chapter 10 Confidentiality 
 Either party shall keep confidential the trade secrets that may be obtained during the course of performing the contract. After signing the contract and
defining technical specifications, the Supplier shall not disclose information out of the said. Either party shall not make use of or disclose confidential information without prior written consent of the other party. Notwithstanding the foregoing,
the Purchaser may disclose the material terms of this agreement, including the aggregate contract amount, and may provide a copy of this agreement to the public, if the Purchaser’s attorneys determine that it is required to do so pursuant to
applicable public company disclosure laws or regulations. Notwithstanding the foregoing, the Purchaser shall use commercially reasonable efforts to redact all of the Supplier’s trade secrets from any such public disclosure or filing.

  

					
	Supplier Initials 

	  	10	  	Purchaser Initials 

	& Date 21.01.2007	  		  	& Date 21/1/2007

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

 Chapter 11 Claim 
  

	11.1	In case the Supplier fails to perform any of its obligations under the contract during the design, manufacture, inspection, erection, Performance Test Run, Reactor Demonstration,
Commissioning Test and Warranty Period the Purchaser shall have the right to lodge claims against the Supplier for the following remedy: 

 Repair the defective equipment at the Suppliers expenses. In case the Supplier fails to dispatch his personnel to the work site, the purchaser has the right to eliminate the defects by itself for the Supplier’s
account. 
  

	11.2	The claim notice shall be effective if it is issued not later than thirty (30) days from the expiration of the warranty period. 

  

	11.3	In case the Supplier fails to reply within fourteen (14) days upon the receipt of the Purchaser’s claim, the claim shall be regarded as been accepted by the Supplier.

 Chapter 12 Cancellation 
  

	12.1	The Purchaser may, without prejudice to any other remedy for the Supplier’s following breach of contract, by written notice send to the Supplier, cancel the contract in whole
or in part if the Supplier fails to deliver the equipment within 140 days after the scheduled delivery time. Upon such cancellation, Supplier shall refund to Purchaser all amounts already paid to Supplier. 

  

	12.2	If at any time prior to shipment of the Equipment, the Purchaser has a justifiable reason to believe that the Supplier will be more than 140 days late in the delivery of the
equipment, the Purchaser may immediately cancel this agreement and shall be entitled to the maximum amount of liquidated damages payable pursuant to Section 5.7 above. Upon such cancellation, the Purchaser may cancel the letter of credit, and
after payment in full to the Purchaser of the liquidated damages, neither party shall have any further obligation or liability to the other party. 

  

	12.3	Either party may cancel the contract at any time, by giving written notice to the other party in case the other party becomes bankrupt or insolvent. Such cancellation shall not
prejudice or affect any other available remedy. 

  

	12.4	If the Purchaser fails to effect the payments or provide the Letter of Credit according to Chapter 4 of this contract, the Supplier and the Purchaser are each entitled to cancel the
contract, by giving written notice to the other Party. 

  

	12.5	If the Supplier releases the technical documents from escrow to the Purchaser, the Supplier is not obliged to return the initial payment to the Purchaser upon termination pursuant
to Section 12.4 above. 

  

					
	Supplier Initials

	  	11	  	Purchaser Initials 

	& Date 21.01.2007	  		  	& Date 21/1/2007

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	12.6	Prior to payment of the initial 15% deposit, the Purchaser may cancel this contract at any time for any reason and without any liability or obligation to the Supplier.

  

	12.7	The following Chapters of this Agreement shall survive the cancellation or expiration of this Agreement: Chapter 1 (Definitions); Chapter 9 (Warranty); Chapter 10 (Confidentiality);
Chapter 11 (Claim); Chapter 15 (Arbitration); Chapter 16 (Construction of Contract); and Chapter 17 (Effectiveness and Miscellaneous). 

 Chapter 13 Force Majeure 
  

	13.1	Should either party be prevented from performing any of its obligations under the contract due to event of Force Majeure such as war, serious fire, typhoon, earthquake, flood and
any other events which could not be expected, avoided and overcome, the affected party shall notify the other party of its occurrence by fax and send by registered air mail a certificate issued by competent authorities confirming the event of the
Force Majeure within fourteen (14) days following its occurrence. In Germany, the competent authority for issuing the certificate is The Ministry of Internal Affairs of Germany. 

  

	13.2	The affected party shall not be liable for any delay or failure in performing any or all of its obligations due to the event of Force Majeure. However, the affected party shall
inform the other party by fax the termination or elimination of the event of Force Majeure as soon as possible. 

  

	13.3	Both parties shall proceed with their obligations immediately upon the cease of the event of Force Majeure or removal of all the effects. The term of the contract shall be extended
correspondingly. 

 Chapter 14 Taxes and Duties 
  

	14.1	All taxes and duties in connection with and in the performance of the contract levied by the United States government on the Purchaser in accordance with the tax laws of the United
States shall be borne by the Purchaser. 

  

	14.2	All taxes and duties levied by the German government on the Supplier, in connection with and in the performance of the contract, according to German tax laws and the agreement
between the government of the United States and the government of Germany for the reciprocal avoidance of double taxation and the prevention of fiscal evasion with respect to taxes on income, shall be borne by the Supplier. 

 

	14.3	All taxes and duties arising within Germany in connection with and in performance with the contract shall be borne by the Supplier. 

 Chapter 15 Arbitration 
  

	15.1	Any dispute arising from or in connection with this contract shall be submitted to International Economic and Trade Arbitration Commission for arbitration. 

 

					
	Supplier Initials 

	  	12	  	Purchaser Initials

	& Date 21.01.2007	  		  	& Date 21/1/2007

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

 The location of arbitration shall be London, England. The substantive law to be applied in any such
arbitration shall be English common law. 
  

	15.2	Notwithstanding any reference to arbitration, both parties shall continue to perform their respective obligations under the contract unless otherwise agreed.

 Chapter 16 Construction of Contract 
  

	16.1	The construction, validity, interpretation, performance, implementation and all matters relating to this contract and any amendment thereto shall be governed by the United Nation
Convention for International Sales of goods. 

 Chapter 17 Effectiveness and Miscellaneous 
  

	17.1	After contract is signed by the authorized representatives, each party shall apply to its respective representatives of their companies for ratification, if required to do so.

  

	17.2	Each party shall power a person (s) for signature of contractual documents. For MSA/GEC Manfred Schirsner and Heinz Graeber are powered and required to sign. For Hoku
Scientific Dustin Shindo and Scott Paul are powered to sign. 

  

	17.3	The contract becomes effective upon signing. 

  

	17.4	After the fulfillment of the contract, the contract will remain valid beyond one (1) month after the expiry date of the warranty period. Any unsettled credit and debt under the
contract shall not be affected by the expiration of the contract. The debtor shall effect its obligation of reimbursement to the creditor. 

  

	17.5	The contract is made in English. The contract is in four (4) originals, two (2) for the Purchaser and two (2) for the Supplier. 

  

	17.6	Annexes to the contract are integral parts to the contract and have the same legal force as the text of the contract itself. 

  

	17.7	All amendments, supplements and alternations to the terms and conditions of the contract shall be made in written form and signed by the authorized representatives according to
paragraph 17.2. These documents shall be integral parts of the contract. 

  

	17.8	This contract may be assigned in its entirety by the Purchaser to any third party that is not a direct competitor of the Supplier upon written notice to the Supplier, and provided
that any such assignee agrees to be bound to the terms hereof. No assignment of any right or obligation under the contract shall be made by the Supplier to a third party without prior written consent of the Purchaser. 

  

					
	Supplier Initials 

	  	13	  	Purchaser Initials 

	& Date 21.01.2007	  		  	& Date 21/1/2007

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	17.9	The communication between the two parties shall be conducted in written form. Faxes concerning important matters shall be confirmed in due time by express mail.

 Purchaser: Hoku Scientific, Inc. 
 Attention:
Karl M. Taft III 
 Address: 1075 Opakapaka Street, Kapolei, Hawaii USA 
 Post Code: 96707-1887 
 Telephone: +1-808-682-7800 
 Fax: +1-808-682-7807 
 E-mail: [*] 
 Seller: Apparatus
Construction for Chemical Equipment Ltd. and GEC Graeber Engineering Consultants GmbH 
 Attention: Heinz Graeber 
 Address: Haydn-Strasse 12, 85521 Ottobrunn, Germany 
 Telephone: [*]

 Fax: [*] 
 E-mail: [*] 
 Authorized Signature: 
  

					
	 

	 		 	 

  

	 Dustin M. Shindo
	 		 	Scoot B. Paul
	 Chairman & CEO
	 		 	VP & General Counsel
			
	 Signing Date:
	 		 	21/1/2007

  

					
	Supplier:	  	MSA Apparatus Construction	  	GEC
		  	for Chemical Equipment Ltd.	  	Graeber Engineering Consultants GmbH

  

					
	Supplier Initials 

	  	14	  	Purchaser Initials 

	& Date 21.01.2007	  		  	& Date 21/1/2007

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

									
	Address:	  	Isartalstrasse 50	  	Haydn-Strasse 12	  		  	
	Post Code:	  	82008 Unterhaching	  	85521 Ottobrunn, Germany	  		  	
	Telephone:	  	[*]	  	[*]	  		  	
	Fax:	  	[*]	  	[*]	  		  	
	E-mail:	  	[*]	  	[*]	  		  	

  

					
	E-mail:	  	info@ms-a.de	  	hg@graeberconsultant.de
		
	Authorized Signature:	  	

  

					
	 

	 		 	 

	Manfred Schirsner	 		 	Heinz Graeber
			
	 Signing Date:
	 		 	

  

					
	Supplier Initials

	  	15	  	Purchaser Initials 

	& Date 21.01.2007	  		  	& Date 21/1/2007

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

 Technical Annexes for Purchasing Contract 
 between Hoku Scientific, Inc. and MSA/GEC 
 Contract No. GEC/MSA200701  
  

									
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 & Date 21/1/2007
	  	

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SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

 Index 
  

			
	Annex 1:	 	Technical Specifications
		
	Annex 2:	 	Design Interface
		
	Annex 3:	 	Scope of Supply
		
	Annex 4:	 	Technical Documents
		
	Annex 5:	 	Technical Service and Design Liaison meeting
		
	Annex 6:	 	Quality Control
		
	Annex 7:	 	Performance Data and Guarantee Value

  

									
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SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

 Annex 1: Technical Specifications 
  

	1.1	General 

  

	1.1.1	This contract is used for purchasing equipments for 1,500 metric tons/year production Polysilicon. In accordance with the terms of the contract, this appendix may be updated to
provide for total production capacity of 2,000 metric tons per year of Polysilicon. It defines specifications of design, structure, performance, installation and tests of the equipments etc. 

  

	1.1.2	Purchaser means Hoku Scientific, Inc. 

 Supplier means
MSA/GEC. 
  

	1.1.3	Purchaser specializes the technical demands in the contract. Supplier shall provide a complete set of services and technology to meet the demands of Purchaser. Technical
specifications of equipment provided by Supplier should be in accordance with demands in this contract. 

  

	1.1.4	If contradictory or inconsistence happens in carrying out the contract, both parties should execute the highest rules in the relative standards or the standards agreed by both
parties 

  

	1.1.5	If Supplier agrees with all the terms of the contract, the equipments provided by Supplier should completely conform to the technical agreements and the standards specified in the
contract. 

  

	1.1.6	After contract signing, Purchaser has the right to provide some supplements to the standards and regulations. Supplier should modify their designing and manufacturing accordingly
and notify the Purchaser about the additional costs. 

  

	1.1.7	Both parties will continue the discussions about the unclear issues in design liaison meetings. 

  

									
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SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	1.2	Project Overall 

  

	1.2.1	Location 

 The factory for the production of Polysilicon is
located in the United States. 
  

	1.2.2	Scale 

 The first target for the Polysilicon Project is to
build a factory with the annual through -put of 1,500 metric tons per year of polysilicon with solar grade or electronic grade. The Purchaser may elect to increase the capacity to 2,000 metric tons per year in accordance with the terms of the
contract. The plant annual operation is continuous except the scheduled maintenance and others unforeseen. The global efficiency is expected at [*] % of the operation hours [*] 
  

	1.3	Application of Equipment 

 Purchaser will purchase
equipments from Supplier for utilizing trichlorosilane (TCS) to produce polysilicon and converting silicon tetrachloride (STC) to TCS. The products will be used in solar industry and electronic industry. 
  

	1.4	Equipment Description 

 Equipments consist of
Deposition-Reactor Set and Hydrogenation-Reactors Set and Necessary Accessories. Pursuant to the Agreement between Purchaser and Supplier, Purchaser may elect not to purchase the Hydrogenation Sets, in which case the Supplier shall not be obligated
to provide the Hydrogenation Sets or any Necessary Accessories or services related thereto, and the contract price shall be reduced as set forth in the Agreement. 
 Deposition-Reactors Set and its accessories include: 
  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

									
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IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

 Hydrogenation-Reactors Set and its accessories include: 
  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

 Necessary Accessories include:

  

	 	•	 	 Spare parts 

  

	 	•	 	 Special tools 

  

	 	•	 	 Others 

  

	1.5	Descriptions and Specifications of Equipments 

  

	1.5.1	Deposition-Reactors 

  

	1.5.1.1	System Description 

 [*] 
  

				
	For solar grade:	  		
		
	Capacity	  		
		
	 Number of Filament Doubles
	  	[	*]
		
	 Lengths of Filament Doubles
	  	[	*]
		
	 Deposition rate Average(diameter)
	  	[	*]
		
	 Deposition diameter approx.
	  	[	*]
		
	 Cycle of 1 operation
	  	[	*]
		
	 Loading time
	  	[	*]
		
	 Unloading time
	  	[	*]
		
	 Deposition time
	  	[	*]
		
	 Operating time
	  	[	*]
		
	 Operating cycles
	  	[	*]
		
	 Up-time
	  	[	*]
		
	 Polysilicon per cycle ([*])
	  	[	*]
		
	 Polysilicon per year per Reactor min.
	  	[	*]
		
	 Polysilicon per cycle ([*])
	  	[	*]
		
	 Polysilicon per year per Reactor max.
	  	[	*]

  

									
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 & Date
21/1/2007
	  	

	  	  		  	  

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

  

			
	For electronic grade:	  	
		
	Capacity	  	
		
	Number of Filament Doubles	  	[*]
		
	Lengths of Filament Doubles	  	[*]
		
	Deposition rate Average (diameter)	  	[*]
		
	Deposition diameter approx.	  	[*]
		
	Cycle of 1 operation	  	[*]
		
	Loading time	  	[*]
		
	Unloading time	  	[*]
		
	Deposition time	  	[*]
		
	Operating time	  	[*]
		
	Operating cycles	  	[*]
		
	Up-time	  	[*]
		
	Polysilicon per cycle ([*])	  	[*]
		
	Polysilicon per year per Reactor min.	  	[*]
		
	Polysilicon per cycle ([*])	  	[*]
		
	Polysilicon per year per Reactor max.	  	[*]

 The conditions to achieve above mentioned production capacities are: 
  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

			
	Reactor Dimensions (for both Solar and Electronic Grade)	  	
		
	Diameter outside Reactor Cylinder	  	[*]
		
	Diameter outside Cooling cabinet	  	[*]
		
	Height including top-flange	  	[*]
		
	Material of Reactor-body	  	[*]
		
	Material cooling case	  	[*]
		
	Design Data	  	
		
	Design interior pressure	  	[*]

  

									
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IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
		
	Design interior wall temperature	  	[*]
		
	Design pressure in the cooling cabinet	  	[*]
		
	Design temp. in the cooling cabinet	  	[*]
		
	Design, calculation and testing accord. to	  	[*]
		
	Numbers of power supply connections	  	[*]
		
	Numbers of Material-gas inlet jets	  	[*]
		
	Numbers of show glasses	  	[*]
		
	Weight approx.	  	[*]
		
	Volume approx.	  	[*]
		
	Volume of cooling cabinet cylinder	  	[*]

  

	1.5.1.2	[*] 

 [*] 
 [*] 
  

	1.5.1.3	[*] 

 [*] 
  

	1.5.1.4	[*] 

 [*] 
  

	1.5.1.5	[*] 

 [*] 
  

	1.5.1.6	[*] 

 [*] 
  

	1.5.1.7	[*] 

 [*] 
  

	1.5.1.8	[*] 

 [*] 
  

									
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SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	1.5.1.9	[*] 

 [*] 
  

	1.5.1.10	[*] 

 [*] 
  

	1.5.2	[*] 

  

	1.5.2.1	[*] 

 [*] 
 [*] 
 [*] 
 [*] 
  

	1.5.2.2	[*] 

 [*] 
 [*] 
 [*] 
 [*] 
  

	1.5.3	[*] 

  

	1.5.3.1	[*] 

 [*] 
  

	1.5.3.2	[*] 

 [*]: 
  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

 [*] 
  

									
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SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	1.5.3.3	[*] 

 [*] 
 [*] 
 [*] 
 [*] 
 [*] 
 [*] 
  

	1.5.4	[*] 

  

	1.5.4.1	[*] 

 [*] 
  

	1.5.4.2	[*] 

 [*] 
 [*] 
 [*] 
 [*] 
  

	1.5.5	[*] 

  

	1.5.4.1	[*] 

 [*] 
 [*] 
  

	1.5.5.2	[*] 

 [*] 
 [*] 
 [*] 
 [*] 
  

									
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SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

 [*] 
 [*] 
 [*] 
 [*] 
  

	1.5.5.3	[*] 

 [*] 
  

	1.5.6	[*] 

  

	1.5.6.1	[*] 

 [*] 
 [*] 
  

	1.5.7	[*] 

  

	1.5.7.1	[*] 

 [*] 
 [*] 
 [*] 
  

	1.5.8	[*] 

  

	1.5.8.1	[*] 

 [*] 
 [*] 
  

	1.5.9	[*] 

  

	1.5.8.1	[*] 

 [*] 
 [*] 
  

									
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SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

 [*] 
  

	1.6	[*] 

  

	1.6.1	[*] 

 [*] 
  

	1.6.2	[*] 

 [*] 
  

	1.6.3	[*] 

 [*] 
  

	1.6.4	[*] 

 [*] 
 [*] 
 [*] 
 [*] 
 [*] 
  

	1.7	[*] 

 [*] 
 Annex 2: Design Interface and Deliverables 
  

	2.1	Process 

 Supplier will provide the following documents: 

 

	2.1.1	Equipment specification, design capacity (including normal and max capacity) and operating period, construction material etc. 

  

	2.1.2	Equipment weight, operation loads, test loads and the max weight of single-parts. 

  

									
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SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	2.1.3	Operating temperature, operating pressure, design temperature and design pressure. 

  

	2.1.4	Equipment power consumption, electric specification and blast section. 

  

	2.1.5	The nozzle specification of the equipment, the nozzle position and flow specification (including flux, composition, temperature, pressure, etc). 

  

	2.1.6	Chemical reaction details in the equipment. 

  

	2.1.7	Material balance, material balance requirements and heat balance of the equipment. 

  

	2.1.8	Anti-corrosive requirements and heat insulation requirements. 

  

	2.1.9	Equipment operating manuals (including safety manual, testing manuals, etc.). 

  

	2.2	Instruments 

  

	2.2.1	All of instruments (hardware and software) for equipments will be supplied by Supplier. 

  

	2.2.2	Supplier will provide proposal layout of the local panel. 

  

	2.2.3	Supplier shall supply these documents and Drawings as following: 

 Field Instruments Specifications (including operation condition, instrument type, measuring range, explosion proof class, instrument material) I/O cards and Interface to the PCS system. 
  

	2.3	Electrical 

  

	2.3.1	Supplier will provide electrical parameters about radiation heating rods: voltage and current. 

  

									
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SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	2.3.2	Supplier will provide the installation drawings defining insulation joining of electrodes. 

  

	2.3.3	Supplier will provide the specification of external power connections. 

  

	2.3.4	Supplier will provide specification of electrode (including voltage, current etc.) 

  

	2.3.5	Supplier is engaged to provide the necessary information to power supply systems company to perform the designing and manufacturing the power supply system suitable for the
operation of reactors 

  

	2.3.6	Supplier will assist the Purchaser in negotiating with power supply systems companies for power supply systems about other necessary interface issues. 

 2.4 Piping 
  

	2.4.1	Supplier will provide Equipment Assemble Drawing, show Nozzle Orientation, dimension of Equipment Center to Flange Face, Nozzle Elevation. 

  

	2.4.2	Supplier will provide Equipment Nozzle Size, Pressure, Flange joint Form, Standard and Nozzle Name. 

  

	2.4.3	Supplier will provide Equipment Weight, Operating Weight, Test Weight and Hoisting Machinery Weight. 

  

	2.4.5	Supplier will provide Specification for Maintenance and Setting. 

  

	2.4.6	Supplier will provide Torsion of Foundation Bolt and Permissibility Stress of Equipment Nozzle. 

  

	2.4.7	Supplier will provide Specification for Equipment Insulation and Fixing (Including Insulation Materials). 

 Annex 3: Scope of Supply 
  

	3.1	General 

  

									
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 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	3.1.1	Annex 3 has stipulated the scope of supply, the Supplier guarantees to provide brand-new, advanced, mature, and quality reliable equipments. 

  

	3.1.2	Supplier will provide a detailed list of equipments and accessories. The detailed list stipulates type, quantity, manufacturer etc. Supplier should provide the necessary parts for
installation, testing and commissioning, even not stipulated in the contact. 

  

	3.1.3	The Supplier will provide a detailed list of the special tools and the consumption materials which will be used in installation. 

  

	3.2	Scope of Supply 

  

	3.2.1	Complete scope of supply for 1,500 metric tons per year consists of 

 Deposition Reactor set, comprising: 
  

			
	[*]	  	[*]
		
	[*]	  	[*]
		
	[*]	  	[*]
		
	[*]	  	[*]
		
	[*]	  	[*]
		
	[*]	  	[*]

 Hydrogenation Reactor set, comprising: 
  

			
	[*]	  	[*]
		
	[*]	  	[*]
		
	[*]	  	[*]

 Complete scope of supply for 2,000 metric tons consists of 
 Deposition Reactor set, comprising: 
  

			
	[*]	  	[*]
		
	[*]	  	[*]
		
	[*]	  	[*]
		
	[*]	  	[*]
		
	[*]	  	[*]

  

									
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 & Date 21/1/2007
	  	

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

			
		
	[*]	  	[*]

 Hydrogenation Reactor set, comprising: 
  

			
	[*]	  	[*]
		
	[*]	  	[*]
		
	[*]	  	[*]

 Notwithstanding the foregoing, Purchaser may elect not to purchase the Hydrogenation Sets, in which case the
Supplier shall not be obligated to provide the Hydrogenation Sets or any Necessary Accessories or services related thereto, and the contract price shall be reduced as set forth in the Agreement. 
 Supplier will provide detailed information of all equipments, including manufacturer for main parts, manufacture area, material, approx. weight etc. within [*] months
after receipt of the Initial Payment and Letter of Credit. Supplier can also, at its own discretion, provide the Purchaser with this material before this date. 
  

	3.2.2	Origin of the products 

 The origin of all the products above is from
Germany. 
  

	3.2.3	Transportation 

 The covers will be used for openings during
transportation. These will be provided by Supplier. 
  

	3.2.4	Spare Parts 

 Each reactor or converter should be equipped with one
complete set of the following spare parts: 
  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

									
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 Supplier Initials
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 & Date 21/1/2007
	  	

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

  

	 	•	 	 [*] 

 The spare parts mentioned above will be
provided by Supplier and are only for testing and commissioning. The Supplier will provide the detailed information about the spare parts, such as vendors, types, and estimated price in the first design meeting. 
 The Supplier will provide a purchasing list of the Spare Parts for 1 year of normal operation three months before delivery of the Equipment. The list should comprise
spare parts and consumption parts, the vendors, types, estimated price etc. 
 The Supplier will also provide a purchasing list to the Purchaser of the
anticipated parts after 10 years of operation and an estimated cost for these parts. 
  

	3.2.5	Special tools 

 [*] 
  

	3.3	Test Reactor 

 [*] 
  

	3.4	Other 

 Other deliverables from the Supplier not mentioned in Annex 3 are
still the responsibility of the Supplier as stipulated in Contract # GEC/MSA200701 and the other Annex sections in this document. 
 Annex 4 :
Technical Documents 
  

	4.1	General 

  

	4.1.1	The documents provided by Supplier will use metric system. The language is English. If other units are required this will be discussed at the first design meeting.

  

									
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 & Date 21/1/2007
	  	

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	4.1.2	The documents provided by Supplier should be prompt, complete and meet the project progress. 

  

	4.1.3	For some other documents not stipulated in the contract but is actually the necessities for the project, Supplier should provide free of charge. 

  

	4.1.4	Supplier will provide related documents describing the requirements for the building constructions. The documents about the Crane, loading and unloading requirements will be
provided by Supplier. 

  

	4.1.5	Supplier will provide the documents to identify the possible supplier for the production of filaments, equipment to unload the rods, reactor cleaning and polysilicon processing.

  

	4.1.6	All the documents will be prepared by either Auto-CAD(*.dxf and *.dwg) or Acrobat(*.pdf). 

  

	4.1.7	All the documents will be provided in five hard copies and two electronic versions 

  

	4.2	Document lists 

 Supplier will provide documents
related to the deposition reactors and the hydrogenation converters and the accessories as followings: 
  

	 	1)	Technical documentation to the equipment and its operation 

  

	 	2)	System description including working principle, technological process, control parameters, main equipment description, and utility supply requirements. 

  

	 	3)	PFD for Equipment 

  

	 	4)	Rated consumption of specifications of utilities 

  

	 	5)	Equipment table 

  

	 	6)	Equipment layout 

  

									
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 & Date 21/1/2007
	  	

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	 	7)	Foundation load chart (device load, including net weight, operation weight, maintenance weight and civil engineering conditions drawing) 

  

	 	8)	Anchor bolt chart 

  

	 	9)	Material supply data sheet or curve at different period of time, as reference values 

  

	 	10)	Installation, operation, and maintenance manuals 

  

	 	11)	Special tools list for Equipment 

  

	 	12)	Pipe naming table for Equipment 

  

	 	13)	Pipe layout plan 

  

	 	14)	Pipe materials grade table for Reactor 

  

	 	15)	Heat insulation table of equipment and pipe 

  

	 	16)	Layout plan of connecting points 

  

	 	17)	General drawing of equipment 

  

	 	18)	Detail drawing of the whole equipment set 

  

	 	19)	Assembly drawing of equipment 

  

	 	20)	Equipment accessories drawing 

  

	 	21)	Orientation diagram of equipment orifices (the Supplier shall provide requirement of orientation diagram of equipment orifices; the Purchaser will propose revision advices. Final
orientation diagram of equipment orifices shall be provided by the Supplier after confirmation by both parties) 

  

	 	22)	Drawing and list of weary parts (replacement cycle) 

  

	 	23)	Equipment materials quality certificates 

  

	 	24)	Product quality certificate 

  

	 	25)	Safety and Quality certificate of pressure vessels 

  

	 	26)	Lifetime of equipment (indicating main equipment separately) 

  

	 	28)	Drawings for the special spare parts. 

  

	 	29)	List for the standard spare parts. 

  

	 	30)	Packing list 

  

	 	31)	All the documents mentioned in this document, including the ones mentioned in Annex 3 

  

	 	32)	Applied Standards that are expectable for USA operation, installation and customs. 

  

									
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 & Date 21/1/2007
	  	

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	4.3	Document Delivery Schedule 

 [*]

 Annex 5: Technical Service ad Design Meeting 
  

	5.1	General 

 The supplier will provide the necessary
documents for equipment installation, commissioning, performance test, operation and maintenance etc. Supplier will assist the Purchaser to solve problems during testing and commissioning by the Purchaser’s requests. 
  

	5.1	Factory Acceptance test (FAT) 

 A month before
delivery of each deposition and hydrogenation reactor set, Supplier should inform Purchaser to do factory acceptance test. Several FAT checks will be available by Purchaser’s requests but not exceed more than four. 
 Acceptance test cost will be paid by Supplier. Purchaser pays for their own cost of traveling, boarding and lodging, and Supplier provides convenience.
Supplier should inform Purchaser in written form 4 weeks before test. If Purchaser does not attend, Supplier may complete the acceptance test without Purchaser. Supplier has the right to do acceptance tests and arrange the equipment delivery
according to the delivery schedule. The FAT results will not be exempt from the Supplier’s responsibilities. 
  

	5.2	Site opening package inspection 

 Supplier will send
staffs to the site to attend site open package inspection to check the number, appearance, damages etc. together with Supplier’s inspectors. Purchaser should inform Supplier 2 weeks before package opening inspection. Supplier’s inspectors
pay for their own cost and Purchaser provides convenience. 
  

									
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 & Date 21/1/2007
	  	

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	5.3	Installation supervision 

 Purchaser should inform
Supplier 2 weeks before installations. Then Supplier will send experts to the site for installation supervision. Supplier pays for their own cost, and Purchaser provides convenience. 
  

	5.4	Testing and Commissioning 

 Purchaser should inform
Supplier 2 weeks before commissioning. Supplier will send experts to the site for guidance. Supplier pays for their own cost, and Purchaser provides convenience. The complete supervision on site provided by Supplier starts from the first received
products and ends by last products commissioning. The duration will last approximate 6 months. 
  

	5.5	Start-up and Reactor Demonstration 

 Purchaser
should inform Supplier 2 weeks before start-up and two weeks before Reactor Demonstration. Supplier will send experts to the site to guide start-up and Reactor Demonstration. Supplier pays for their own cost and Purchaser provides convenience. This
service is included in 6 months period. 
  

	5.6	Performance Test 

 After testing, commissioning and
reactor demonstration are finished, Supplier will send relative experts to the site to do performance test. Supplier experts shall carry on performance test until it is completely successful and accepted by Purchaser. Supplier pays for their own
cost and Purchaser provides convenience. The performance tests will be done twice and in accordance with Annex 7. 
  

	5.7	Training 

 Supplier shall carry training on
Purchaser’s staffs in technology, operation and maintenance etc. The draft training plan is prepared as following: 
 At the
Purchaser’s site. Supplier will train Purchaser staffs about installation, maintenance, operation, start-up, testing and commissioning etc. The training duration will be approximate 2 weeks. The actual training schedule will be agreed during
the first design meeting. 
  

									
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 & Date 21/1/2007
	  	

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

 Supplier pays for their own cost, and Purchaser provides convenience. 
  

	5.8	Changing Damaged parts 

 Within the guarantee
period, in case of any defects caused by the reason of inferior quality, or due to the Supplier’s faults, the Supplier shall dispatch engineers to Purchaser site to solve the defects at the Supplier’s expenses. Supplier pays for their own
cost, and Purchaser provides convenience. 
  

	5.9	Technical Service requirements 

  

	5.9.1	The Supplier representatives at the Work Site must: 

  

	 	•	 	 Obey the law, rules and regulations at the Work Site 

  

	 	•	 	 Have the higher responsibilities and the dedication to work. Arrives on time 

  

	 	•	 	 Be familiar with its structure of its Equipment, and have the similar work experience, and can carry on on-site supervisions correctly;

  

	 	•	 	 Be strong enough to adapt to site work conditions. 

  

	5.9.2	Supplier’s responsibility 

 The responsibilities of
Supplier at the Work Site are package opening and examination, dealing with quality problems, installation and supervision, commissioning supervision, reactor demonstration and performance test. 
 Before installation and testing and commissioning, experts from both parties shall discuss the relative procedures. Both parties shall confirm the
important issues. 
 If issues arise that are the Supplier’s responsibilities, the Supplier representatives shall deal with them in a
timely manner as defined by the Purchaser. If Supplier authorizes Purchaser to solve the problems due to Supplier’s mistakes, Supplier will provide the guarantee letter and undertake all the expenses. Supplier is responsible for all actions
carried by its representatives. Purchaser should be informed and confirmed if the Supplier 

  

									
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IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

 
representatives wish to leave the Work Site. 
  

	5.9.3	Purchaser Responsibility 

 Purchaser will provide
convenience for Supplier’s Representatives at the Work Site. 
  

	5.10	Design meeting 

  

	5.10.1	Description 

 The purpose of the design meetings is to make
sure the successful design of the contract equipment and plant; to solve the technical problems; to coordinate the Supplier and Purchaser. Such meetings shall be held several times by Purchaser’s requests. The first meeting could be held in
USA, at a location to be specified, the second will be decided later. Meeting costs of each party will be taken by themselves, and the company located in the meeting place shall provide convenience for transportation, accommodation, etc. 

 

	5.10.2	Topics for engineering design meetings 

  

	 	•	 	 To discuss the general design of the preliminary solution provided by Supplier (including general arrangement and system), technical document and standard
coordination. 

  

	 	•	 	 Detailed engineering specifics including those as stipulated in Technical Annexes 1-5. 

  

	 	•	 	 To coordinate the arrangement and connections of the Equipment and flows of utilities and materials. 

  

	 	•	 	 The Purchaser review and confirm the auxiliary equipment company provided by Supplier. 

  

	 	•	 	 To discuss the solution for construction and delivery. 

  

	 	•	 	 To discuss the check and acceptance of the equipment. 

  

									
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 & Date 21/1/2007
	  	

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	 	•	 	 To deal with and overcome other unclear issues. 

 The
frequency and amount of design meetings will be determined on an as needed basis but both parties agree to pay their own expenses for these meetings. Location of the design meetings will be held in the United States. 
 Annex 6: Quality control 
 Because MSA has some subcontractors and the
detailed quality control procedure will be provided by MSA during the first design meeting. 
 If Supplier finds any defects of design or manufacturing after
the goods have been delivered, Supplier should inform Purchaser immediately and repair them or provide new products free of charge. All the expense and loss of the Purchaser will be born by Supplier. 
 Annex 7: Performance data and guarantee value 
  

	7.1	Capability 

 Supplier guarantees the performance of the delivered
equipment. Considering of the term in clause 1.5 of Annex 1, Supplier guarantees the capability of the reactor shall in the range of: 
 —[*]

 —[*] 
 [*] 
 The Supplier is not responsible for any interruption or delay, caused by Force Majeure as defined in Contract. The Supplier is also not responsible for any
non-performance interruption or delay, caused by the followings: 
  

	 	(1)	Sufficient supply and qualified mixed-gas for the deposition process at the Work Site; and 

  

									
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 & Date 21/1/2007
	  	

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

	 	(2)	Sufficient and qualified utilities at the Work Site, such as power-supply, thyristor power, process control, cooling-water, process exhaust-gas discharge. 

 

	 	(3)	Well trained and experienced staff (engineers and operators) 

 Additional
costs and expenses born by the Supplier by aforesaid will be reimbursed by the Purchaser. 
 7.2 Product warranty 
 [*] 
 Purchaser: Hoku Scientific, Inc. 
 Address: 1075 Opakapaka Street, Kapolei, Hawaii USA 
 Post Code: 96707-1887

 Telephone: +1-808-682-7800 
 Fax: +1-808-682-7807 

E-mail: info@hokuscientific.com 
 Authorized Signature: 
  

					
	 

	 		 	 

	 Dustin M. Shindo
	 		 	Scott B. Paul
	 Chairman & CEO
	 		 	VP & General Counsel
	 Signing Date:
	 		 	21/1/2007

 Supplier: MSA AppararusConstruction GEC 
  

									
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 & Date 21/1/2007
	  	

 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED
IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. 
  

					
		  	For Chemical Equipment	  	Graeber Engineering Consultants
			
	Address:	  	Isartalstrasse 50	  	Haydn-Strasse 12
	Post Code:	  	82008 Unterhaching	  	85521 Ottobrunn, Germany
	Telephone:	  	[*]	  	[*]
	Fax:	  	[*]	  	[*]
	E-mail:	  	[*]	  	[*]

  

					
	Authorized Signature:	 		 	
			
	 

	 		 	 

	Manfred Schirsner	 		 	Heinz Graeber
			
	Signing Date:	 		 	

									
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