Document:

Exhibit 10.2

    
      

    

    Exhibit
      10.2

    
      PROMISSORY
        NOTE

      

      
        	
                Principal

                $1,500,000.00

              	
                Loan
                  Date

                03-31-2006

              	
                Maturity

                07-31-2006

              	
                Loan
                  No

                ***

              	
                Call
                  / Coll

                M100S
                  / GOs

              	
                Account

                00000122565

              	
                Officer

                32405

              	
                Initials

              
	
                References
                  in
                  the shaded area are for Lender’s use only and do not limit the
                  applicability of this document to any particular loan or
                  item.

                Any
                  item
                  above containing “***” has been omitted due to text length
                  limitations.

              

      

      

      
        	
                Borrower:

              	
                Siboney
                  Learning Group Inc

                Siboney
                  Corporation

                325
                  Kirkwood RR #300

                St
                  Louis, MO 63122

              	
                Lender:

              	
                Southwest
                  Bank of St. Louis

                St
                  Louis Region Commercial Lending

                13205
                  Manchester Road

                Des
                  Peres, MO 63131

              

      

    

    
      	 	 	 
	
              Principal
                Amount: $1,500,000.00

            	
              Initial
                Rate: 7.750%

            	
              Date
                of Note: March 31, 2006    
                

            

    

    

      PROMISE
        TO
        PAY. Siboney
        Learning
        Group Inc and Siboney Corporation (“Borrower”) jointly and severally promise to
        pay to Southwest Bank of St. Louis (“Lender”), or order, in lawful money of
        the United States of America, the principal amount of One Million Five Hundred
        Thousand & 00/100 Dollars ($1,500,000.00) or so much as may be
        outstanding, together with interest on the unpaid outstanding principal balance
        of each advance. Interest shall be calculated from the date of each advance
        until repayment of each advance.

       

      PAYMENT.
        Borrower
        will pay
        this loan in one payment of all outstanding principal plus all accrued unpaid
        interest on July 31, 2006. In addition, Borrower will pay regular monthly
        payments of all accrued unpaid interest due as of each payment date, beginning
        April 30, 2006, with all subsequent interest payments to be due on the last
        day of each month after that. Unless otherwise agreed or required by applicable
        law, payments will be applied to Accrued Interest, Credit Life Premiums,
        Principal, Late Charges, and Escrow. The annual interest rate for this Note
        is
        computed on a 365/360 basis; that is, by applying the ratio of the annual
        interest rate over a year of 360 days, multiplied by the outstanding principal
        balance, multiplied by the actual number of days the principal balance is
        outstanding. Borrower will pay Lender at Lender’s address shown above or at such
        other place as Lender may designate in writing.

       

      VARIABLE
        INTEREST RATE.
        The interest rate
        on this Note is subject to change from time to time based on changes in an
        index
        which is Lender’s Prime Rate (the “Index”). This is the rate Lender charges, or
        would charge, on 90-day unsecured loans to the most creditworthy corporate
        customers. This rate may or may not be the lowest rate available from Lender
        at
        any given time. Lender will tell Borrower the current Index rate upon Borrower’s
        request. The interest rate change will not occur more often than each Index
        rate
        change and will become effective without notice to the Borrower. If the Index
        becomes unavailable during the term of the Note, the Lender may substitute
        a
        comparable Index. Borrower understands that Lender may make loans based on
        other
        rates as well. The
        Index
        currently is 7.750% per annum. The interest rate to be applied to the unpaid
        principal balance of this Note will be at a rate equal to the Index, resulting
        in an initial rate of 7.750% per annum.
        NOTICE: Under no
        circumstances will the interest rate on this Note be more than the maximum
        rate
        allowed by applicable law.

       

      PREPAYMENT.
        Borrower may pay
        without penalty all or a portion of the amount owed earlier than it is due.
        Early payments will not, unless agreed to by Lender in writing, relieve Borrower
        of Borrower’s obligation to continue to make payments of accrued unpaid
        interest. Rather, early payments will reduce the principal balance due. Borrower
        agrees not to send Lender payments marked “paid in full”, “without recourse”, or
        similar language. If Borrower sends such a payment, Lender may accept it
        without
        losing any of Lender’s rights under this Note, and Borrower will remain
        obligated to pay any further amount owed to Lender. All written communications
        concerning disputed amounts, including any check or other payment instrument
        that indicates that the payment constitutes “payment in full” of the amount owed
        or that is tendered with other conditions or limitations or as full satisfaction
        of a disputed amount must be mailed or delivered to: Southwest Bank of St.
        Louis, St Louis Region Commercial Lending, 13205 Manchester Road, Des Peres,
        MO
        63131.

       

      LATE
        CHARGE.
        If a payment is
        more than 15 days late, Borrower will be charged 5.000% of the unpaid portion
        of
        the regularly scheduled payment.

       

      INTEREST
        AFTER DEFAULT.
        Upon default,
        including failure to pay upon final maturity, Lender, at its option, may,
        if
        permitted under applicable law, increase the variable interest rate on this
        Note
        to 3.000 percentage points over the Index. The interest rate will not exceed
        the
        maximum rate permitted by applicable law.

       

      DEFAULT.
        Each of the
        following shall constitute an event of default (“Event of Default”) under this
        Note.

       

      Payment
        Default.
        Borrower fails to
        make any payment when due under this Note.

       

      Other
        Defaults.
        Borrower fails to
        comply with or to perform any other term, obligation, covenant or condition
        contained in this Note or in any of the related documents or to comply with
        or
        to perform any term, obligation, covenant or condition contained in any other
        agreement between Lender and Borrower.

       

      Default
        in
        Favor of Third Parties.
        Borrower or any
        Grantor defaults under any loan, extension of credit, security agreement,
        purchase or sales agreement, or any other agreement, in favor of any other
        creditor or person that may materially affect any of Borrower’s property or
        Borrower’s ability to repay this Note or perform Borrower’s obligations under
        this Note or any of the related documents.

       

      False
        Statements.
        Any warranty,
        representation or statement made or furnished to Lender by Borrower or on
        Borrower’s behalf under this Note or the related documents is false or
        misleading in any material respect, either now or at the time made or furnished
        or becomes false or misleading at any time thereafter.

       

      Insolvency.
        The dissolution or
        termination of Borrower’s existence as a going business, the insolvency of
        Borrower, the appointment of a receiver for any part of Borrower’s property, any
        assignment for the benefit of creditors, any type of creditor workout, or
        the
        commencement of any proceeding under any bankruptcy or insolvency laws by
        or
        against Borrower.

       

    

    
      
         

        
        

      

      
        
        

        
          

        

      

      
        
        

        PROMISSORY
          NOTE

        
          	
                  Loan
                    No: 12030954-22003-298

                	
                  (Continued)

                	
                  Page
                    2 

                

        

        

         

      

    

    
      Creditor
        or
        Forfeiture Proceedings.
        Commencement of
        foreclosure or forfeiture proceedings, whether by judicial proceeding,
        self-help, repossession or any other method, by any creditor of Borrower
        or by
        any governmental agency against any collateral securing the loan. This includes
        a garnishment of any of Borrower’s accounts, including deposit accounts, with
        Lender. However, this Event of Default shall not apply if there is a good
        faith
        dispute by Borrower as to the validity or reasonableness of the claim which
        is
        the basis of the creditor or forfeiture proceeding and if Borrower gives
        Lender
        written notice of the creditor or forfeiture proceeding and deposits with
        Lender
        monies or a surety bond for the creditor or forfeiture proceeding, in an
        amount
        determined by Lender, in its sole discretion, as being an adequate reserve
        or
        bond for the dispute.

       

      Events
        Affecting Guarantor.
        Any of the
        preceding events occurs with respect to any guarantor, endorser, surety,
        or
        accommodation party of any of the indebtedness or any guarantor, endorser,
        surety, or accommodation party dies or becomes incompetent, or revokes or
        disputes the validity of, or liability under, any guaranty of the indebtedness
        evidenced by this Note. In the event of a death, Lender, at its option, may,
        but
        shall not be required to, permit the guarantor’s estate to assume
        unconditionally the obligations arising under the guaranty in a manner
        satisfactory to Lender, and, in doing so, cure any Event of
        Default.

       

      Change
        In
        Ownership.
        Any change in
        ownership of twenty-five percent (25%) or more of the common stock of
        Borrower.

       

      Adverse
        Change.
        A material adverse
        change occurs in Borrower’s financial condition, or Lender believes the prospect
        of payment or performance of this Note is impaired.

       

      Insecurity.
        Lender in good
        faith believes itself insecure.

       

      LENDER’S
        RIGHTS.
        Upon default,
        Lender may declare the entire unpaid principal balance on this Note and all
        accrued unpaid interest immediately due, and then Borrower will pay that
        amount.

       

      ATTORNEYS’
        FEES; EXPENSES.
        Lender may hire or
        pay someone else to help collect this Note if Borrower does not pay. Borrower
        will pay Lender that amount. This includes, subject to any limits under
        applicable law, Lender’s attorneys’ fees and Lender’s legal expenses whether or
        not there is a lawsuit, including attorneys’ fees and expenses for bankruptcy
        proceedings (including efforts to modify or vacate any automatic stay or
        injunction), and appeals. If not prohibited by applicable law, Borrower also
        will pay any court costs, in addition to all other sums provided by
        law.

       

      GOVERNING
        LAW.
        This Note will be
        governed by federal law applicable to Lender and, to the extent not preempted
        by
        federal law, the laws of the State of Missouri without regard to its conflicts
        of law provisions. This Note has been accepted by Lender in the State of
        Missouri.

       

      CHOICE
        OF
        VENUE.
        If there is a
        lawsuit, Borrower agrees upon Lender’s request to submit to the jurisdiction of
        the courts of St Louis County, State of Missouri.

       

      DISHONORED
        ITEM FEE.
        Borrower will pay
        a fee to Lender of $15.00 if Borrower makes a payment on Borrower’s loan and the
        check or preauthorized charge with which Borrower pays is later
        dishonored.

       

      RIGHT
        OF
        SETOFF.
        To the extent
        permitted by applicable law, Lender reserves a right of setoff in all Borrower’s
        accounts with Lender (whether checking, savings, or some other account).
        This
        includes all accounts Borrower holds jointly with someone else and all accounts
        Borrower may open in the future. However, this does not include any IRA or
        Keogh
        accounts, or any trust accounts for which setoff would be prohibited by law.
        Borrower authorizes Lender, to the extent permitted by applicable law, to
        charge
        or setoff all sums owing on the indebtedness against any and all such accounts,
        and, at Lender’s option, to administratively freeze all such accounts to allow
        Lender to protect Lender’s charge and setoff rights provided in this
        paragraph.

       

      LINE
        OF
        CREDIT.
        This Note
        evidences a revolving line of credit. Advances under this Note, as well as
        directions for payment from Borrower’s accounts, may be requested orally or in
        writing by Borrower or by an authorized person. Lender may, but need not,
        require that all oral requests be confirmed in writing. Borrower agrees to
        be
        liable for all sums either: (A) advanced in accordance with the instructions
        of
        an authorized person or (B) credited to any of Borrower’s accounts with Lender.
        The unpaid principal balance owing on this Note at any time may be evidenced
        by
        endorsements on this Note or by Lender’s internal records, including daily
        computer print-outs. Lender will have no obligation to advance funds under
        this
        Note if: (A) Borrower or any guarantor is in default under the terms of this
        Note or any agreement that Borrower or any guarantor has with Lender, including
        any agreement made in connection with the signing of this Note;
        (B) Borrower or any guarantor ceases doing business or is insolvent; (C)
        any guarantor seeks, claims or otherwise attempts to limit, modify or revoke
        such guarantor’s guarantee of this Note or any other loan with Lender; (D)
        Borrower has applied funds provided pursuant to this Note for purposes other
        than those authorized by Lender; or (E) Lender in good faith believes itself
        insecure.

       

      SUCCESSOR
        INTERESTS.
        The terms of this
        Note shall be binding upon Borrower, and upon Borrower’s heirs, personal
        representatives, successors and assigns, and shall inure to the benefit of
        Lender and its successors and assigns.

       

      GENERAL
        PROVISIONS.
        If any part of
        this Note cannot be enforced, this fact will not affect the rest of the Note.
        Lender may delay or forgo enforcing any of its rights or remedies under this
        Note without losing them. Each Borrower understands and agrees that, with
        or
        without notice to Borrower, Lender may with respect to any other Borrower
        (a)
        make one or more additional secured or unsecured loans or otherwise extend
        additional credit; (b) alter, compromise, renew, extend, accelerate, or
        otherwise change one or more times the time for payment or other terms of
        any
        indebtedness, including increases and decreases of the rate of interest on
        the
        indebtedness; (c) exchange, enforce, waive, subordinate, fail or decide not
        to
        perfect, and release any security, with or without the substitution of new
        collateral; (d) apply such security and direct the order or manner of sale
        thereof, including without limitation, any non-judicial sale permitted by
        the
        terms of the controlling security agreements, as Lender in its discretion
        may
        determine; (e) release, substitute, agree not to sue, or deal with any one
        or
        more of Borrower’s sureties, endorsers, or other guarantors on any terms or in
        any manner Lender may choose; and (f) determine how, when and what application
        of payments and credits shall be made on any other indebtedness owing by
        such
        other Borrower. Borrower and any other person who signs, guarantees or endorses
        this Note, to the extent allowed by law, waive presentment, demand for payment,
        and notice of dishonor. Upon any

    

    
      
        
           

          
          

        

        
          
          

          
            

          

        

        
          
          

          PROMISSORY
            NOTE

          
            	
                    Loan
                      No: 12030954-22003-298

                  	
                    (Continued)

                  	
                    Page
                      3 

                  

          

          

           

        

      

    

    

      change
        in the terms
        of this Note, and unless otherwise expressly stated in writing, no party
        who
        signs this Note, whether as maker, guarantor, accommodation maker or endorser,
        shall be released from liability. All such parties agree that Lender may
        renew
        or extend (repeatedly and for any length of time) this loan or release any
        party
        or guarantor or collateral; or impair, fail to realize upon or perfect Lender’s
        security interest in the collateral; and take any other action deemed necessary
        by Lender without the consent of or notice to anyone. All such parties also
        agree that Lender may modify this loan without the consent of or notice to
        anyone other than the party with whom the modification is made. The obligations
        under this Note are joint and several.

       

      ORAL
        AGREEMENTS OR COMMITMENTS TO LOAN MONEY, EXTEND CREDIT OR TO FOREBEAR FROM
        ENFORCING REPAYMENT OF A DEBT INCLUDING PROMISES TO EXTEND OR RENEW SUCH
        DEBT
        ARE NOT ENFORCEABLE, REGARDLESS OF THE LEGAL THEORY UPON WHICH IT IS BASED
        THAT
        IS IN ANY WAY RELATED TO THE CREDIT AGREEMENT. TO PROTECT YOU (BORROWER(S))
        AND
        US (LENDER) FROM MISUNDERSTANDING OR DISAPPOINTMENT, ANY AGREEMENTS WE REACH
        COVERING SUCH MATTERS ARE CONTAINED IN THIS WRITING, WHICH IS THE COMPLETE
        AND
        EXCLUSIVE STATEMENT OF THE AGREEMENT BETWEEN US, EXCEPT AS WE MAY LATER
        AGREE IN WRITING TO MODIFY IT.

      

      JURY
        WAIVER.
        Lender and
        Borrower hereby waive the right to any jury trial in any action, proceeding,
        or
        counterclaim brought by either Lender or Borrower against the
        other.

      

      PRIOR
        TO
        SIGNING THIS NOTE, EACH BORROWER READ AND UNDERSTOOD ALL THE PROVISIONS OF
        THIS
        NOTE, INCLUDING THE VARIABLE INTEREST RATE PROVISIONS. EACH BORROWER AGREES
        TO
        THE TERMS OF THE NOTE.

      

      BORROWER
        ACKNOWLEDGES RECEIPT OF A COMPLETED COPY OF THIS PROMISSORY
        NOTE.

      

      BORROWER:

    

    

    SIBONEY
      LEARNING
      GROUP INC

    

    
      	
              By: /s/
                William D.
                Edwards                                              
                

              William
                D.
                Edwards, President of Siboney Learning

              Group
                Inc

            	
              By:/s/
                Timothy J.
                Tegeler                                                      
                

              Timothy
                J.
                Tegeler, Chief Executive Officer of 

              Siboney
                Learning Group Inc

            
	
               

            	
               

            
	
              By: /s/
                Rebecca
                Braddock                                                 
                

                   
                Rebecca
                Braddock, Secretary of Siboney Learning

              Group
                Inc

            	
               

            
	
               

            	
               

            
	
               

            	
               

            
	
               

            	
               

            
	
              SIBONEY
                CORPORATION

            	
               

            
	
               

            	
               

            
	
              By: /s/
                William D.
                Edwards                                                 
                

              William
                D.
                Edwards, President of Siboney Corporation

            	
              By:/s/
                Timothy J.
                Tegeler                                                      
                

              Timothy
                J.
                Tegeler, Chief Executive Officer of

              Siboney
                Corporation

            
	
               

            	
               

            
	
               

            	
               

            
	
              By: /s/
                Rebecca
                Braddock                                                   

                 
                 Rebecca
                Braddock, Secretary of Siboney CorporationEXHIBIT 10(q)
                                                                   -------------

Confidential Treatment Requested as to certain information contained in this
Exhibit 10(q) and filed separately with the Securities and Exchange Commission.

                           TURN-KEY PROJECT AGREEMENT
                                 March 16, 2006

1.   THE PARTIES

     Spire Corporation (the "Seller"), a business incorporated in the
     Commonwealth of Massachusetts, with its principal place of business at One
     Patriots Park, Bedford, Massachusetts, 01730-2396, U.S.A.;

     *** (the "Buyer"), a business organized under the laws of ***, with a
     principal place of business at ***

2.   OBJECT OF AGREEMENT

     Seller agrees to deliver at Buyer's site a fully operative Photovoltaic
     Cell Manufacturing Line on "turn-key" basis, providing a nominal ***MW
     annual production line producing 15% efficient cells (the "Manufacturing
     Line"), consisting of the products defined in Article 3 below (the
     "Products") which Buyer agrees to buy from Seller and Seller agrees to sell
     to Buyer and install at Buyer's site, pursuant to the provisions of this
     Agreement hereinafter set forth. Such provisions shall prevail and no other
     article, condition, clause or term shall have any effect unless
     specifically admitted by this document.

     The Manufacturing Line will produce a minimum of 15% efficient cells from
     mono- crystalline or multi-crystalline wafers based upon wafers with a
     silicon minority carrier lifetime specified by Seller. The Manufacturing
     Line shall be an automated cell manufacturing line capable of handling
     wafer sizes of 100mm, 125mm and 156mm and said mono and multi crystalline
     wafers.

     Seller further agrees to supply to Buyer prior to the starting date of
     production of the cells by the Manufacturing Line or within 60 days after
     shipment of the Products, approximately 1,500,000 wafers, a volume which
     should approximate a cell electrical capacity of ***MW under the specific
     terms and conditions set forth in Article 11.

3.   SHIPMENT OF THE PRODUCTS

     The Products bought by Buyer and sold by Seller are set forth in this
     Article 3 and will be shipped to Seller as further described in Article 4
     on or before October 31, 2006. Partial shipments are allowed as needed and
     any shipment may be transshipped as may be appropriate. The Products may be
     delivered to Buyer directly by Seller or by any of Seller's sub-vendors,
     but in the latter case, Seller shall be responsible for the compliance of
     the shipment schedule to be agreed with Buyer in the Final Design Review
     Meeting (as such term is defined in Article 5.b). The principal items among
     the Products are set forth below (specifications for these items appear in
     Attachment A):

     *** Represents text omitted pursuant to a request for confidential
     treatment. The omitted material has been filed separately with the
     Securities and Exchange Commission.

                                        1
<PAGE>

     Etch Station                                          (Quantity: 1)
     Dopant Spray Coater                                   (Quantity: 2)
     Belt Diffusion Furnace                                (Quantity: 2)
     Plasma Etcher                                         (Quantity: 1)
     HF Etch Station                                       (Quantity: 1)
     Surface Resistivity Tester                            (Quantity: 1)
     PECVD AR Coater                                       (Quantity: 1)
     Screen Printer & Collator                             (Quantity: 1)
     Belt IR Furnace                                       (Quantity: 1)
     Screen Printer & Collator                             (Quantity: 1)
     Belt IR Dryer                                         (Quantity: 1)
     Screen Printer & Collator                             (Quantity: 1)
     Belt IR Furnace                                       (Quantity: 1)
     Screen Tension Gauge                                  (Quantity: 1)
     Spare Parts/Miscellaneous                             (Quantity: 1)

     Non-Major Equipment
     -------------------
     Surface Resistivity Tester                            (Quantity: 1)
     Vacuum Leak Detector                                  (Quantity: 1)
     Screen Cleaner                                        (Quantity: 1)
     Microscope (stereo zoom 10.5 to 45.0x                 (Quantity: 1)
     Wafer Lifetime Tester                                 (Quantity: 1)

     All transport mechanisms needed to move and handle the processed wafers
     between the major equipment during the manufacturing process of the
     Manufacturing Line, including cassettes, carriers, carts, and the like.

4.   PRICE AND TERMS OF PAYMENT

     The price for the Manufacturing Line, including engineering support,
     technical and design documents, technical services, the installation of all
     the Products and the Manufacturing Line, in conformity with all applicable
     technical or other *** regulations or standards, technical training, 30kW
     of training materials, start up operations to make the Manufacturing Line
     fully operative in accordance with the provisions set forth below, and
     Warranty (after-service support) during the first two (2) years of
     operation, is a total of U.S. $6,750,000.00 (Six Million, Seven Hundred
     Fifty Thousand U.S. Dollars), hereinafter the "Purchase Price", Ex-Works
     Factory ("Factory" in this case refers to the factory from which any unit
     of equipment is shipped to Buyer's site). Buyer shall provide all
     reasonable support possible to Seller regarding applicable *** regulations
     or standards. The price breakdown of the Products is as listed below:

     *** Represents text omitted pursuant to a request for confidential
     treatment. The omitted material has been filed separately with the
     Securities and Exchange Commission.

                                        2
<PAGE>

 Item  Quantity           Item                                      Price U.S. $
 -------------------------------------------------------------------------------

 1         1    Etch Station                                             $***
 2         2    Dopant Spray Coater                                       ***
 3         2    Belt Diffusion Furnace                                    ***
 4         1    Plasma Etcher                                             ***
 5         1    HF Etch Station                                           ***
 6         1    Surface Resistivity Tester                                ***
 7         1    PECVD AR Coater                                           ***
 8         1    Vacuum Leak Detector                                      ***
 9         1    Screen Printer & Collater                                 ***
 10        1    Belt IR Drier and Furnace                                 ***
 11        1    Screen Printer & Collater                                 ***
 12        1    Belt IR Dryer                                             ***
 13        1    Screen Printer & Collater                                 ***
 14        1    Belt IR Drier & Furnace                                   ***
 15        1    Screen Cleaner                                            ***
 16        1    Screen Tension Gauge                                      ***
 17        1    Microscope, Stereo Zoom 10.5 to 45x                       ***
 18        1    Wafer Lifetime Tester                                     ***
 19             Miscellaneous and 30kW of training Materials              ***
 20        1    Spare Parts                                      included above
 21             All transport mechanisms needed to move and
                handle the processed wafers between the major
                equipment during the manufacturing process of
                the Manufacturing Line, including cassettes,
                Carriers, carts and the like.                    included above
                                                                 --------------

                Total Equipment                                          $***
                                                                 --------------

 22        1    Engineering                                              $***
 23        1    Installation and Training                                $***
                                                                 --------------
                Total                                               $6,750,000
                                                                 --------------

          Buyer shall arrange for milestone payments to Seller in accordance
          with the schedule outlined below:

     A.   Within 10 business days as of the execution date of this Agreement,
          Buyer shall pay Seller a down payment of US$*** U.S. Dollars ("Initial
          Down Payment").

     B.   Within 15 business days as of the date of conclusion of the
          Preliminary Design Review Meeting and delivery by Seller to Buyer of
          the Provisional Project Documents, both

     C.   terms defined in Article 5(b), Buyer shall pay Seller US$*** U.S.
          Dollars.

*** Represents text omitted pursuant to a request for confidential treatment.
The omitted material has been filed separately with the Securities and Exchange
Commission.

                                        3
<PAGE>

     D.   Within 15 business days as of the date of conclusion of the Final
          Design Review Meeting and delivery by Seller to Buyer of the Final
          Project Documents, both terms defined in Article 5(b), Buyer shall pay
          Seller US$*** U.S. Dollars unless Buyer notifies Seller within this
          term its decision to not proceed with this Project as referred to
          hereunder.

     E.   Within 15 business days as of the date of conclusion of the training
          to be carried out at Buyer's site or, as previously agreed between the
          parties in the aforementioned Final Design Review Meeting, at the site
          of the Seller and any of the Seller's sub-vendors, in accordance
          with the details set out in Article 7(c) below, Buyer shall pay Seller
          US$*** U.S. Dollars.

     F.   Buyer shall establish through the appropriate banking facility a
          Irrevocable Confirmed Letter of Credit for the amount of US$*** U.S.
          Dollars.

          The above US$*** Irrevocable Confirmed Letter of Credit shall be
          opened by Buyer for the benefit of Seller within 120 days of the
          execution date of this Agreement and will be drawn down by Seller upon
          Ex-Works shipment of the Products by Seller in accordance with Article
          3 above and with this Article 4. Such amount is to be proportionally
          drawn down against the equipment prices indicated in this Article.

     F.   Within 15 business days as of the date of signature by Seller and
          Buyer of the Acceptance Form of Installation of the Manufacturing Line
          as defined in Article 5 (c), Buyer shall pay Seller US$*** U.S.
          Dollars.

     G.   Buyer shall pay Seller US$*** U.S. Dollars in accordance with the
          below payment schedule:

     Upon the Manufacturing Line attaining the following performance
     specifications, Buyer shall release payment to Seller as below:

                                                           Cell         Cell
                                     afer Throughput    Efficiency   Reject Rate
                                    -----------------   ----------   -----------

a. Payment of $*** to Seller upon   *** MW annualized     13.4%          <5%

b. Payment of $*** to Seller upon   *** MW annualized     13.75%         <5%

c. Payment of $*** to Seller upon   *** MW annualized      14%           <5%

d. Payment of $*** to Seller upon   *** MW annualized     14.50%         <5%

e. Payment of $*** to Seller upon   *** MW annualized      15%           <5%

     *** Represents text omitted pursuant to a request for confidential
     treatment. The omitted material has been filed separately with the
     Securities and Exchange Commission.

                                        4
<PAGE>

     The performance specifications and related payments outlined above shall be
     based upon consistent performance aggregated over a calendar month period
     and shall be inclusive of the accumulated values of the released payments.
     It is understood that such performance specification evaluation period
     shall extend nine (9) months from the Acceptance Form of Installation of
     the Manufacturing Line. Such performance specification evaluation period
     may be extended beyond the subject period if applicable and mutually agreed
     by Buyer and Seller. Regarding the Cell Efficiency parameters laid down
     above, a +-5% deviation due to measurement errors will be tolerated.

     Save otherwise agreed by Buyer and Seller, should the Manufacturing Line
     not perform in accordance with the specifications described in paragraph a.
     of the aforementioned payment schedule within 90 days as of the date of
     signature of the Acceptance Form of Installation of the Manufacturing Line,
     the Buyer shall be fully entitled to claim the right of non-payment for the
     amount mentioned under said point a. of the referred payment schedule, this
     is to say, $*** which will be treated as a reduction of the Purchase Price
     for non performance of the Manufacturing Line

     Save otherwise agreed by Buyer and Seller, should the Manufacturing Line
     not perform satisfactorily in accordance with the terms and conditions
     agreed in Article 5(c) within 9 months as of the date of signature of the
     Acceptance Form of Installation of the Manufacturing Line, the Buyer shall
     be fully entitled to claim the right of non-payment for any subject balance
     amount not yet released and paid, which will be treated as a reduction of
     the Purchase Price for non performance of the Manufacturing Line.

     If for any reason after the Final Design Review Meeting (as defined in
     Article 5.b) below), Buyer decides to not proceed further with this
     Project, Buyer shall notify Seller in writing of such decision within 10
     days as of the date on which said meeting was held, and, upon receipt of
     said notification, Seller shall reimburse 50% of the amounts pre-paid by
     Buyer to Seller in account of the Purchase Price pursuant to section A) and
     B) above, that is to say, US$***, being the Seller entitled to keep the
     remaining 50%, that is to say, US$*** as the only compensation due by Buyer
     to Seller pursuant to the termination by Buyer of this Agreement

     The shipment schedule referred to in Article 3 is contingent upon receipt
     by Seller of Buyer's Initial Down Payment to be made within 10 business
     days as of the execution date of this Agreement. Any failure by Buyer to
     adhere to the payment plan as outlined in this Article 4 may cause Seller
     to revise said shipment schedule to be agreed between the parties in the
     Final Design Review Meeting.

     Should Seller fail to deliver any of the Products ultimately by January 31,
     2007, Seller shall be liable to the following monthly Purchase Price
     reductions:

          o ***% of the Purchase Price if delivery is not made by the end of the
          month of February 2007;

          o ***% of the Purchase Price if delivery is not made by the end of the
          month of March 2007;

*** Represents text omitted pursuant to a request for confidential treatment.
The omitted material has been filed separately with the Securities and Exchange
Commission.

                                        5
<PAGE>

          o ***% of the Purchase Price if delivery is not made by the end of the
          month of April 2007;

          o ***% of the Purchase Price if delivery is not made by the end of the
          month of May 2007.

     Should the delay be longer than May 31, 2007, Buyer shall be entitled to
     terminate this Agreement by notifying Seller in writing of such decision
     and Seller shall immediately reimburse Buyer all payments made by Buyer to
     Seller on account of the Purchase Price. Upon receipt of said
     reimbursement, Buyer shall return to Seller all Products delivered to
     Buyer. Seller shall exclusively bear all costs, duties and related fees
     required for the re-packaging and shipment of said Products to Seller. In
     this case, Seller shall be liable to pay Buyer a penalty in the amount
     equivalent to ***% of the Purchase Price, which shall be paid by Seller to
     Buyer together with the aforementioned reimbursement.

     Notwithstanding the above, should the Buyer, at his sole discretion, decide
     not to exercise its right to terminate the Agreement according to the above
     paragraph, the penalty established for the month of May 2007 will remain
     applicable for each month of delay until all the Products are delivered to
     Buyer.

     Purchase Price reduction referred to above may be applied by Buyer against
     any outstanding amount of the Purchase Price due by Buyer to Seller
     pursuant to this Agreement.

5.   PERFORMANCE AND PERFORMANCE PERIOD

     a.   CONDITIONS PRECEDENT FOR SELLER TO BEGIN PERFORMANCE

          (i)  Turn-Key Project Agreement signed by both Parties;

          (ii) Initial Down Payment received by Seller.

     b.   PERFORMANCE

          A Preliminary Design Review Meeting ("PDRM") shall be held at Buyer's
          site within the first four (4) to five (5) weeks after the execution
          date of this Agreement. During the PDRM Seller shall provide Buyer
          with preliminary documents including but not limited to the following
          ("Provisional Project Documents"):

          i) All appropriate preliminary design documents, including general
          arrangement drawings, utilities, process flow diagrams, detailed
          facility infrastructure requirements, and the like.

          ii) Preliminary Project Schedule (including Products delivery/shipment
          targets).

          iii) Listing of potential vendors, including their delivery schedule,
          payment, technical specification, guarantee conditions, and the like.

          iv) Outline of training agenda and technical process manuals.

          v) Cell analysis (solar cell device modeling).

*** Represents text omitted pursuant to a request for confidential treatment.
The omitted material has been filed separately with the Securities and Exchange
Commission.

                                        6
<PAGE>

     Seller and Buyer shall agree to the design specifications to be implemented
     in the Project. Upon the receipt of Seller's detailed facility
     infrastructure requirements, Buyer shall provide to Seller all applicable
     technical information associated with the construction of the facility
     being designed and constructed to house such Manufacturing Line. Upon the
     conclusion of the PDRM, the Provisional Project Documents shall be signed
     by both parties to evidence their acceptance.

     A Final Design Review Meeting (FDRM) shall be held at Buyer's site (unless
     otherwise mutually agreed between the Parties) within the first four (4) to
     five (5) weeks after the PDRM was held. During the FDRM Seller shall
     provide Buyer with final documents as addressed in the PDRM to include, but
     not limited to the following ("Final Project Documents"):

     i) All final design documents, including general arrangement drawings,
     utilities process flow diagrams, detailed facility infrastructure
     requirements and general lay - out, maintenance and operation manuals, and
     the like.

     ii) Final Project Schedule (including Products delivery/shipment
     schedules).

     iii) Final selection of all Vendors including delivery schedule, technical
     specifications, guarantee conditions, and the like.

     iv) Final training agenda, dates and location(s).

     v) Final Cell analysis (solar cell device modeling, including technical and
     quality standards to be met).

     vi) Acceptance Protocols for individual Product(s)/equipment for mutual
     understanding purposes shall be mutually agreed upon. However, it is
     understood the Acceptance Form of Performance of the Manufacturing Line
     shall be the final document to establish contractual and Letter of Credit
     completion.

     The Final Project Documents shall be forwarded to Buyer prior to FDRM.

     Seller and Buyer shall attempt to aggregate shipments as best possible and
     utilize such aggregation of Product(s)/equipment for the applicable Letter
     of Credit drawn down by Seller.

     Seller shall make delivery in full of the Products, including all Products
     components, installation at the Buyer's site in accordance with standard
     industry practices as well as equipment training (use and maintenance), in
     accordance with the shipment schedule referred to in Article 3 (as stated
     in greater and more definitive detail in the shipment schedule to be agreed
     by the parties in the FDRM). Installation shall be defined as the
     mechanical set-up of all applicable equipment, and the mechanical operation
     such that the equipment performs the mechanical functions it was designed
     for as outlined in Attachment A. Seller shall provide all training
     services, training materials, Products equipment manuals, and the like, to
     Buyer within one (1) month of the complete installation of the
     Manufacturing Line. Training shall be conducted in accordance with the
     agenda and schedule to be agreed upon between Seller and Buyer in the FDRM.
     This requirement may be waived or altered by Buyer at its discretion
     (except that any expansion of this period may affect the total price as
     stated above). Every deliverable Products component shall be new; shall
     evidence high-quality

                                        7
<PAGE>

     workmanship, and be free of any defects in design, assembly and
     installation that may inhibit the smooth operation; and which satisfies the
     purpose of this Agreement. Each unit of deliverable Products, where
     applicable, shall correspond to the specifications attached as Attachment
     A; be accompanied by a standard spare parts package which shall be defined
     by Seller prior to the Ex-Works shipment; and be subject to a warranty as
     specified in Article 8 of this Agreement. Seller shall ensure that Buyer
     can enforce and take full benefit of each and every Products guarantee
     under the same terms and conditions guaranteed to Seller by the suppliers
     of the Products or their manufacturers.

     All of the Products components delivered by the Seller shall be packed
     using new and strong packaging appropriate for shipping, transportation,
     loading and unloading. According to the requirements of each unit of
     Products equipment and any other items included with them, the Seller
     shall, consistent with accepted industry practices, supply any protection
     necessary to protect such Products equipment and other items from humidity,
     water, rust, erosion, or any other environmental factor which may damage
     the Products equipment or other items, and to insure that the Products
     arrive at the Buyer's site safe and intact.

     Each package, box or crate shall include the following documents:

     1.   Two copies of a detailed packing list;
     2.   Operation, service and repair manuals;
     3.   Spare parts list;
     4.   Two copies of assembly drawing as required for routine repair and
          maintenance;
     5.   Original guarantees of each and every Product and any other legal
          documentation of the Products.

     c.   PERFORMANCE PERIOD

     The period of performance shall commence when the conditions precedent as
     described above are met and shall conclude with the delivery of the
     Products, the satisfactory installation of the same at a site specified by
     the Buyer, the satisfactory performance of the Manufacturing Line and the
     training of Seller's personnel as specified herein, are completed.

     The Products will be considered to be satisfactorily installed, when the
     Manufacturing Line is fully operative and capable of production. In such
     case, Seller and Buyer shall sign two originals of the so called
     "Acceptance Form of Installation of the Manufacturing Line" in accordance
     with the draft form enclosed herewith as Attachment B.

     The Manufacturing Line will be considered to be performing satisfactorily,
     should not later than the ninth (9th) month after the date of signature of
     the Acceptance Form of Installation of the Manufacturing Line, the
     following criteria be consistently met: (a) a minimum production capacity
     of 90% (1.875MW per month); (b) a minimum of 15% efficient cells produced
     (with a maximum margin of error of 5%, that is to say, a minimum of 14.25%
     efficient cells); and (c) a rejection level lower than 5% cells of total
     production. In the case that Parties cannot agree on the cell electrical
     characterization, the Parties agree that Fraunhofer Institute for Solar
     Energy Systems shall perform such independent evaluation for electrical
     characterization and be the definitive authority. In such case, Seller and
     Buyer shall sign two originals of the so called "Acceptance Form of
     Performance of the Manufacturing Line" in accordance with the draft form
     enclosed herewith as Attachment C. Notwithstanding the foregoing, the
     required minimum

                                        8
<PAGE>

     monthly production capacity of 1.875MW per month referred to above may be
     modified for one or various months/time periods provided that the parties
     agree so in writing.

6.   ALTERATIONS TO PRODUCTS

     The Products specified in Article 3 above and as described in detail in
     Attachment A hereto are Products manufactured, assembled and/or procured by
     Seller. Any requirement by Buyer to have Seller modify specifications and
     features of the Products beyond the specification and features agreed in
     the FDRM may affect the Purchase Price, even if such modification
     eliminates a feature or relaxes a specification, as all changes require an
     engineering charge. Other charges may apply. Buyer will submit all such
     requirements to Seller as soon as they become known. Seller will advise
     Buyer as soon as practical the effect all such requirements are estimated
     to have on price, delivery schedule, performance, and warranties as herein
     stated. In particular, Buyer agrees that any subsequent requirement other
     than addressed above thereafter agreed upon by the Parties will constitute
     a change in Seller's performance requirements and may further affect the
     delivery schedule cited above. In the event of any changes required by
     Buyer, Buyer hereby releases Seller from strict adherence to this schedule,
     although Seller is expected to minimize or eliminate any delay that may
     result from changes required by Buyer. Seller reserves the right to make
     changes to the type or source of parts used to manufacture the components
     of the Products to eliminate any procurement problems or to improve quality
     of operations. Prior to the implementation of any of those changes, Seller
     shall explain to Buyer the proposed Products alterations/changes and
     provide Buyer with sufficient evidence that the proposed changes or
     alterations of the Products do not jeopardize the quality and technical
     specifications of the originally agreed Products to be alter or replaced.

7.   CERTAIN RESPONSIBILITIES OF BUYER AND SELLER

     a.   INSTALLATION SITE PREPARATION. Buyer will have an installation site,
          including but not limited to utility/facility (power, water,
          compressed air, factory floor space) requirements in accordance with
          the lay-out agreed with Seller in the FDRM, prepared for Seller to
          install the Products at the time of its arrival at the
          location/address specified by Buyer. Within thirty (30) days after the
          arrival of the last Product at such location/address, Buyer and Seller
          shall agree on the date on which Seller shall start the installation
          of the Products at Buyer's site. Any delay for any reason (save for
          FORCE MAJEURE) arising with the Buyer that delays the starting date of
          the installation beyond one hundred twenty (120) days after the agreed
          start installation date of the Products at Buyer's site, will entitle
          Seller, at its option, to terminate this Agreement by notifying Buyer
          in writing of such decision and Seller shall be entitled to retain all
          payments made by Buyer on account of the Purchase Price. In addition,
          any direct added costs incurred by Seller by reason of Buyer's failure
          to proceed with installation of the Products and training of its
          personnel shall be charged to Buyer, invoiced separately, and payable
          thirty (30) days from invoice date with the maximum limit of US$***
          U.S. Dollars).

     *** Represents text omitted pursuant to a request for confidential
     treatment. The omitted material has been filed separately with the
     Securities and Exchange Commission.

                                        9
<PAGE>

          Any delay for any reason (save for FORCE MAJEURE) arising with the
          Seller that delays the starting date of the installation beyond one
          hundred twenty (120) days after the agreed start installation date of
          the Products at Buyer's site, will entitle Buyer, at its option, to
          terminate this Agreement by notifying Seller in writing of such
          decision and Seller shall immediately reimburse Buyer all payments
          made by Buyer to Seller on account of the Purchase Price against
          return to the Seller of the Products. In addition, any direct added
          costs incurred by Buyer by reason of Seller's failure to proceed with
          installation of the Products, including the expenses and costs
          incurred by the Buyer for the construction and preparation of the
          Buyer's site in accordance with the Final Project Documents, hiring
          and training of personnel and obligations assumed in relation to third
          parties (clients, suppliers, public authorities, lost of subsidies,
          etc.) shall be charged to Seller, invoiced separately, and payable
          thirty (30) days from invoice date with the maximum limit of
          US$***U.S. Dollars).

     b.   OPENING AND UNPACKING PRODUCTS AT BUYER'S SITE. Buyer shall inform
          Seller of the date upon which it intends to open and unpack shipping
          containers so as to give Seller twenty (20) days notice. Seller may
          send its representative(s) to witness opening and unpacking task at
          its expense. If Seller witnesses the opening and unpacking task at
          Buyer's site, it shall make note of any missing, defective or damaged
          equipment or part, or of any other non-conformity once the same is
          jointly established by both parties. If Seller is not present and
          there is any missing, defective, or damaged equipment or part, or
          there is any other non-conformity present, Buyer shall notify Seller
          immediately in writing with appropriate documentation. Seller shall
          correct such non-conformities in accordance to the extent necessary to
          ensure that all deliverable item in proper working order are present
          when installation commences, provided that any non-conformity is the
          sole responsibility of Seller

     Seller has the right to photograph or videotape the container opening and
     inspection process.

     Defects discovered during the warranty period will be treated in accordance
     with the provisions of the warranty attached hereto as Attachment D.

     c.   TRAINING. Seller will provide to Buyer training during the course of
          the installation process for up to four (4) operators per unit of
          equipment at Buyer's site. All such training is understood to be
          additional to any training conducted at the Seller's site, or if
          previously agreed by the parties at any sub-vendor's facility, and is
          associated with any "on-the-job-training" conducted during the
          installation process. Additionally, Seller will fully train Buyer's
          technicians at Seller's site prior to the installation of the
          Manufacturing Line and on the period and conditions previously agreed
          with Buyer during the FDRM. All the foregoing training costs will be
          deemed to be included in the Purchase Price. All such trainees must be
          proficient in spoken and written English, or Buyer must provide a
          skilled interpreter/ translation expert to render Seller's
          trainer/installer's instructions into trainee's native language in an
          effective and efficient manner. Seller will provide operation, repair
          and maintenance manuals to Buyer in English, and will attempt to
          provide them to Buyer sufficiently in advance of the installation
          process to allow Buyer to translate or have them translated and
          copied. Seller does not warrant the content of such documents if
          translated. Further details regarding the training program for Buyer's
          personnel to be agreed between the Parties in the FDRM. Seller will
          provide Buyer with training materials capable of producing a minimum
          of 30kW of 15% efficient cells (included in the Purchase Price).

*** Represents text omitted pursuant to a request for confidential treatment.
The omitted material has been filed separately with the Securities and Exchange
Commission.

                                       10
<PAGE>

     d.   WARRANTY (AFTER-SERVICE SUPPORT). Seller will provide Buyer
          appropriate warranty (after-service support) associated with the
          Manufacturing Line and the Products during the first two (2) years
          after the date of signing by Seller and Buyer of the Acceptance Form
          of Installation of the Manufacturing Line referred to in Article 5
          (c).

     e.   INTERNATIONAL QUALITY CERTIFICATIONS. Seller will cooperate with Buyer
          to assist it to obtain the necessary international quality
          certification(s), allowing Buyer to sell its cells on the worldwide
          market.

8.   WARRANTY

     Seller sells the Products set forth herein with a Warranty as shown in
     Attachment D hereto. It is this Warranty and no other that shall apply to
     any claims of defects in parts and/or labor on any unit of the Products,
     save for any mandatory product liability rules applicable in the
     jurisdiction of the Buyer.

9.   PERFORMANCE GUARANTEE:

     Provided that the Buyer has satisfied its obligations as set forth herein,
     Seller will provide Performance Guarantees in accordance with the
     Acceptance Protocols to be agreed between the parties in the FDRM.

     In the event that the results of the Acceptance Protocols show that the
     Product(s) fail to meet one or more of the Performance Guarantee
     conditions, and such failure is not demonstrably attributable to Buyer,
     Seller, at no additional charge to Buyer, shall undertake actions to
     correct such defective performance.

     The liabilities expressly or implicitly assumed by Seller under this
     Agreement shall be Seller's only liability hereunder, at contract and law
     (save for mandatory rules which will necessarily apply), and Buyer hereby
     releases Seller from any and all liability and claims of liability in
     excess thereof.

10.  INDEMNITY

     Buyer shall indemnify, defend, protect and hold harmless Seller from any
     action, suit, complaint, allegation and controversy of whatever kind which
     originates in Buyer's operation of the installed Products and the sale or
     use of any products that was manufactured using the Products, provided that
     Buyer failed to follow the instructions for use provided by Seller in their
     entirety, and provided also that no portion of the cause has its origin in
     any act of gross negligence on the part of Seller.

     Seller shall indemnify, defend, protect and hold harmless Buyer from any
     action, suit, complaint, allegation and controversy of whatever kind
     directed against Buyer which originates from a violation or infringement of
     any of the invention rights, patents, designs, copyrights, trade marks,
     service marks, data basis, topographic rights, trade secrets, know-how and
     other similar rights which may apply to the Products, whether or not such
     rights have been registered. Seller shall have the right to modify, at its
     own expense, the design and/or the Product(s) in order to remove any
     infringement violation so long as such modifications do not alter the
     performance of such Product(s).

                                       11
<PAGE>

11.  WAFERS SUPPLY COMMITMENTS

     Seller undertakes to supply Buyer a maximum of approximately 1,500,000
     wafers, a volume which should approximate a cell electrical capacity of
     ***MW prior to the starting date of production of the cells by the
     Manufacturing Line or within 60 days after the shipment of the Products.
     Buyer shall confirm to Seller the amount of wafers to be supplied through
     specific written orders. Said supply orders shall include (i) quantity of
     wafers ordered (ii) date of delivery (iii) purchase price (iv) payment
     conditions and (v) technical specifications of the wafers ordered.

     Before Seller purchases from any third party (supplier, sub-vendor, etc.)
     the wafers to be supplied to Buyer according to this Article 11, Seller
     should notify Buyer the terms and conditions of such purchase. Buyer shall
     provide approval for the purchase of said wafers within a maximum of 1
     month as of the date Seller requested its approval for the purchase. Such
     approval will not be unreasonable withheld.

     This Seller's supply obligation may be cancelled by Buyer, provided that
     Buyer gives Seller, at least, one (1) month's written notice of
     cancellation from the date Buyer ordered the wafers from Seller.

     The quality of the wafers supplied by Seller to Buyer must be sufficient to
     guarantee that the Manufacturing Line produces cells with a minimum of 15%
     electrical efficiency. Should Buyer purchase from other suppliers
     mono-crystalline or multi-crystalline wafers with the same quality (as
     defined in the FDRM documents) than those that Seller would be able to
     supply to Buyer but on better price conditions, Seller shall not be able to
     allege that those wafers do not allow the Manufacturing Line to produce
     cells with the agreed electrical efficiency which is the subject matter of
     this Agreement.

     Without prejudice to the above, should Purchaser acquires from a third
     party wafers with lower quality than those defined in the FDRM documents,
     the Parties shall agree in writing on the cell electrical characterization
     of the cells to be produced by the Manufacturing Line from such wafers.
     Should the Parties fail to reach an agreement on the cell electrical
     characterization of the cells to be produced from said wafers acquired by
     the Purchaser, it is hereby agreed that Fraunhofer Institute for Solar
     Energy Systems shall determine whether the quality and technical conditions
     of said wafers are sufficient to produce 15% electrical efficiency cells
     and, if applicable, what would be the maximum electrical efficiency to be
     achieved with wafers of such quality conditions. In such event, Fraunhofer
     Institute for Solar Energy Systems will be the definitive authority and its
     decision will be binding between the Parties.

     The purchase price of the wafers shall be agreed between Seller and Buyer
     for each supply on the basis of the wafers worldwide market conditions,
     failing which purchase price of said wafers shall be fixed by the parties
     on the basis of the average purchase price of major recognized
     international wafer vendors, including but not limited to following
     vendors: ***. Upon receipt of the quotation of such vendors either party
     will inform the other party of the appropriate purchase price. It is
     understood that Buyer shall pay Seller the purchase price of the wafers
     supplied by Seller pursuant to this Article 11 separated from the Purchase
     Price of the Manufacturing Line.

*** Represents text omitted pursuant to a request for confidential treatment.
The omitted material has been filed separately with the Securities and Exchange
Commission.

                                       12
<PAGE>

12.  CONFIDENTIALITY

     Certain matters regarding this relationship embodied by this Agreement may
     be considered confidential or sensitive to one or the other Party to this
     Agreement. The Parties agree that all such matters, once identified, will
     be treated in accordance with the Confidential Disclosure Agreement
     attached hereto as Attachment E. This Agreement does not confer any right
     of ownership to any technical data disclosed to Buyer for Process
     Technology development purposes, and Buyer shall not release any technical
     data to any third party without the written approval of Seller. It is
     understood that certain aspects of this Agreement may be required to be
     revealed to governmental authorities, including without limit *** and
     United States regulatory authorities.

13.  NO LICENSE

     This Agreement does not convey any license to Buyer to use Seller's name or
     any form of its corporate identification in any jurisdiction. Buyer is
     allowed a limited non-exclusive license to use certain technical data for
     the purpose of developing process technology.

14.  GENERAL PROVISIONS

     a.   NO WAIVER. Waiver of any provision of this Agreement, in whole or in
          part, in any one instance shall not constitute a waiver of any other
          provision in the same instance, or any waiver of the same provision in
          any other instance, but each provision shall continue in full force
          and effect with respect to any other then-existing or subsequent
          breach.

     b.   NOTICE. Any notice required or permitted under this Agreement shall be
          given in writing to the Parties at their respective addresses as
          specified above, or at such other address for a Party as that Party
          may specify by notice (i) by delivery in hand or, (ii) registered or
          certified mail, return receipt requested, or courier or some other
          form of expedited delivery service that provides for delivery to the
          sender of a signed receipt. Notice so sent shall be effective upon
          receipt unless otherwise specified herein or in the notice.

     c.   ARBITRATION OF DISPUTES. All disputes arising out of or in connection
          with this Agreement that cannot be readily or amicably solved by the
          Parties shall be finally settled pursuant to the Rules of Arbitration
          of the International Chamber of Commerce by three arbitrators
          appointed in accordance with said rules. The place of arbitration
          shall be *** and the arbitration shall be conducted in the English
          language.

     d.   FORCE MAJEURE. Neither Party to this Agreement shall be responsible to
          the other Party for delays or errors in its performance or other
          breach under this Agreement occurring solely by reason of
          circumstances beyond its control, including acts of civil or military
          authority, national emergencies, fire, labor disputes, flood or
          catastrophe, acts of God, insurrection, war, riots, severe weather,
          delays of suppliers if not under Seller's control, or failure of
          transportation, communication or power supply.

*** Represents text omitted pursuant to a request for confidential treatment.
The omitted material has been filed separately with the Securities and Exchange
Commission.

                                       13
<PAGE>

     e.   MISCELLANEOUS. This Agreement: (i) may be executed in any number of
          counterparts, each of which, when executed by both Parties to this
          Agreement shall be deemed to be an original, and all of which
          counterparts together shall constitute one in the same instrument;
          (ii) shall be governed by and construed under the laws of the ***,
          without application to the principle of conflict of laws; (iii) except
          and to the extent expressly provided for in Article 12, this Agreement
          constitutes the entire agreement between the Parties with respect to
          its subject matter, superceding all prior oral and written (except as
          previously noted) written communications, proposals, negotiations,
          representations, understandings, courses of dealing, agreements,
          contracts, and the like between the Parties in such respect; (iv) may
          be amended, modified, and any right under this Agreement may be waived
          in whole or in part, only by a writing signed by both Parties; (v)
          contains headings only for convenience, which headings do not form
          part, and shall not be used in construction, of this Agreement; (vi)
          shall bind and inure to the benefit of the Parties and their
          respective legal representatives, successors and assigns, including,
          without limitation, to a Parties corporate parents or affiliates,
          provides that no Party may delegate any of its obligations under this
          Agreement or assign this Agreement except to a related entity or
          successor by sale or merger, without prior written consent of the
          other party. This Agreement is in the English language only which
          language shall be controlling in all aspects.

     f.   In the event either Party is in default for a hundred and twenty (120)
          days in any obligation hereunder, and the other Party has given
          written notice specifying the claimed particulars of such default,
          which shall continue for a period of thirty (30) days after the date
          of such notice, the party giving notice may thereupon terminate this
          Agreement forthwith by giving the other Party ten (10) days written
          notice of termination.

15.  UNITED STATES EXPORT REGULATIONS

     Seller is subject to the Export Regulations of the United States Department
     of Commerce and other regulatory agencies that regulate the export from the
     United States of certain technical data and information. Because of these
     regulations, the Parties to this Agreement recognize that Seller can
     furnish such technical data to Buyer only on the condition that Buyer not
     re-export the technical data and/or information to any country to which
     Seller may not, without a validated export license, export such data
     directly.

16.  COMPLIANCE WITH LAWS GENERALLY

     Both Parties agree that they will diligently comply with all relevant laws,
     statutes, orders and administrative regulations of all relevant
     jurisdictions, at all relevant times. Each Party additionally agrees to
     indemnify and hold the other Party harmless from any governmental action at
     law that results from the willful or negligent failure of the indemnifying
     Party to comply with any relevant law, statute, order or administrative
     regulation. The Parties hereby certify that they are, to the best of their
     knowledge, compliant with all such laws, statutes, orders, and
     administrative regulations.

*** Represents text omitted pursuant to a request for confidential treatment.
The omitted material has been filed separately with the Securities and Exchange
Commission.

                                       14
<PAGE>

17.  ASSIGNMENT

     This Agreement shall not be assignable by either party hereto without the
     express prior written consent of the other party, except that it may be
     assigned without such consent to the successors to and assigns of
     substantially the entire assets and business of such party. No assignment
     hereof shall be valid without the assumption in writing by such successors
     or assigns of all obligations under this Agreement. When duly assigned in
     accordance with the foregoing, this Agreement shall be binding upon and
     inure to the benefit of the assignee.

18.  MAXIMUM AGGREGATE LIABILITY OF SELLER

     Seller shall be exclusively compelled to pay Buyer an aggregate maximum
     amount of up to US$*** U.S. Dollars) as a consequence of its liability
     and/or penalties for failure to deliver the Products to the Buyer on due
     time according to Article 4 above, failure to start the installation beyond
     the agreed start installation date according to Article 7.a above and loss
     of profits and other consequential damages resulting from a failure or
     defect of the equipment/Products(s) according to Attachment D.

     In addition to the above the maximum liability of the Seller for the non
     satisfactory performance of the Manufacturing Line in accordance with the
     terms and conditions of Article 5 (c), will be limited to the reduction of
     the Purchase Price referred to in Article 4.G.

IN WITNESS WHEREOF, the Parties hereto have set their respective hand and seals
signifying their concurrence and endorsement with and of the foregoing, in a
number of counterpart copies, each of which shall be deemed to be an original
for all purposes and deemed effective and binding on the date at the head of
this document.

***

/S/ ***
---------------------------------
By:     ***
Title:  ***
Place:  ***
Date:   March 16, 2006

Spire Corporation

/s/ Rodger W. LaFavre
---------------------------------
By:     Rodger W. LaFavre
Title:  Chief Operating Officer, Spire Corporation
Place:  Bedford, Massachusetts, U.S.A.
Date:   March 16, 2006

*** Represents text omitted pursuant to a request for confidential treatment.
The omitted material has been filed separately with the Securities and Exchange
Commission.

                                       15
<PAGE>

                                  ATTACHMENT A

                                DATA SHEETS (***)

***

*** Represents text omitted pursuant to a request for confidential treatment.
The omitted material has been filed separately with the Securities and Exchange
Commission.

                                       16
<PAGE>

                                  ATTACHMENT B

            ACCEPTANCE FORM OF INSTALLATION OF THE MANUFACTURING LINE
                       SIGNED BY APPLICANT AND BENEFICIARY

Agreement:                        Turn-Key Project Agreement dated January 18,
                                  2006

Beneficiary:                      Spire Corporation

Applicant:                        ***

Description of Items Installed
of the Manufacturing Line:        Etch Station: US$***
                                  Dopant Spray Coater: US$***
                                  Belt Diffusion Furnace: US$***
                                  Plasma Etcher: US$***
                                  HF Etch Station: US$***
                                  Surface Resistivity Tester: US$***
                                  PECVD AR Coater: US$***
                                  Vacuum Leak Detector: US$***
                                  Screen Printer & Collater: US$***
                                  Belt IR Drier and Furnace: US$***
                                  Screen Printer & Collater: US$***
                                  Belt IR Dryer: US$***
                                  Screen Printer & Collater: US$***
                                  Belt IR Drier & Furnace: US$***
                                  Screen Cleaner: US$***
                                  Screen Tension Gauge:  US$***
                                  Microscope, Stereo Zoom 10.5 to 45x: US$***
                                  Wafer Lifetime Tester: US$***

                                  Miscellaneous and 30kW of training
                                  Materials: US$***
                                  Spare Parts: Price included above

                                  All transport mechanisms needed
                                  to move and handle the processed
                                  wafers between the major
                                  equipment during the
                                  manufacturing process of the
                                  Manufacturing Line, including
                                  cassettes, carriers, carts and
                                  the like: Price Included above.

This document confirms in entirety the installation of the Manufacturing Line
according to the terms and conditions of the aforementioned Agreement entered
into by the Applicant and Beneficiary, which is signed below by both parties on
[ ].

***                                      SPIRE CORPORATION

Signature:                               Signature:
             -----------------------                  -------------------------
Typed Name:                              Typed Name:
             -----------------------                  -------------------------
Title:                                   Title:
             -----------------------                  -------------------------

*** Represents text omitted pursuant to a request for confidential treatment.
The omitted material has been filed separately with the Securities and Exchange
Commission.

                                       17
<PAGE>

                                  ATTACHMENT C

            ACCEPTANCE FORM OF PERFORMANCE OF THE MANUFACTURING LINE
                       SIGNED BY APPLICANT AND BENEFICIARY

Agreement:                     Turn-Key Project Agreement dated January 18, 2006

Beneficiary:                   Spire Corporation

Applicant:                     ***

Description of Performance
of the Manufacturing Line:     Satisfactory Performance

This document confirms in entirety the performance of the Manufacturing Line
according to the terms and conditions of the aforementioned Agreement entered
into by the Applicant and Beneficiary, which is signed below by both parties on
[ ].

***

Signature:
            -------------------------------
Typed Name:
            -------------------------------
Title:
            -------------------------------

SPIRE CORPORATION

Signature:
            -------------------------------
Typed Name:
            -------------------------------
Title:
            -------------------------------

*** Represents text omitted pursuant to a request for confidential treatment.
The omitted material has been filed separately with the Securities and Exchange
Commission.

                                       18
<PAGE>

                                  ATTACHMENT D

                 STANDARD WARRANTY FOR SPIRE EQUIPMENT/PRODUCTS

Seller's Warranty: Seller warrants this equipment/Product(s) against defective
components (excluding expendables) and workmanship and warrants that the
equipment/Product(s) will operate in accordance with current specification
sheets for that equipment/Product(s). Seller's warranty is limited to the repair
and replacement of the equipment/Product(s), including all necessary parts and
labor, for a period of two (2) years after the date of signing by Seller and
Buyer of the Acceptance Form of Installation of the Manufacturing Line referred
to in Attachment B of the Agreement. It is understood that Buyer's personnel
will be responsible for the replacement of parts of the Product(s) that can
reasonably and safely be replaced in under two hours. This warranty is void
where it is determined that the equipment/Product(s) in question was subject to
accident, negligence, misuse, using the equipment for purposes other than what
it was designed for, or not maintaining the equipment/Product(s) in accordance
with the specifications and instructions provided. The subject
equipment/Product(s) is designed to operate on a nominal 24 hour per day period
(exclusive of normal maintenance time), as such, the nominal 24 hour per day
operation (exclusive of normal maintenance time) is not considered abuse.
Repairs and modifications are warranted only when performed by Seller's
personnel or Buyer's personnel authorized by Seller. This warranty is valid only
to the original purchaser of the equipment.. Items not covered by this include
lamps, test fixtures, vacuum cups filters and other expendable items.

                                       19
<PAGE>

                                  ATTACHMENT E

                        CONFIDENTIAL DISCLOSURE AGREEMENT

AGREEMENT made this 18th day of January 2006 between SPIRE CORPORATION, One
Patriots Park, Bedford, Massachusetts, 01730-2396 (hereinafter called "SPIRE"),
and *** (hereinafter called "COMPANY").

WHEREAS, COMPANY and SPIRE have represented to each other that each owns, may
own or is interested in receiving Proprietary Information (as defined below)
pertaining to: The design, engineering, manufacture and marketing, and sale of a
Photovoltaic Cell Manufacturing Line as further described in the Turn Key
Project Agreement to which this Agreement is attached to: its use and operation,
the establishment and operation of a photovoltaic device manufacturing business,
business plans and strategies, etc.

WHEREAS, COMPANY and SPIRE intend to exchange Proprietary Information for the
following purpose(s): Establishment, development and maintenance of a
vendor-customer relationship.

NOW, THEREFORE, for the good and valuable consideration, the receipt and
sufficiency of which is hereby acknowledged, the parties hereby agree as
follows:

1.   DEFINITION

     For purposes of this Agreement, "Proprietary Information" means data,
     reports, specifications, designs, phototypes, test results, trade secrets,
     processes, patentable inventions, plans and other business, financial ort
     technical information in written, electronic magnetic or oral form (i)
     which is known only to the disclosing party, (or to others to whom the
     disclosing party has voluntarily disclosed it subject to restrictions
     similar to those set forth in this Agreement); (ii) as to which the
     disclosing party has taken reasonable precautions against disclosure; and
     (iii) which has been clearly labelled by the disclosing party as
     "confidential", "proprietary", "secret" or other term or similar import.
     Orally disclosed Proprietary Information shall retain its character as
     Proprietary Information so long as the proprietary, protected nature of the
     disclosed information is conveyed to the recipient: (a) orally at the same
     meeting or in the same conversation as the Proprietary Information is
     discussed and in writing within thirty (30) days of the original
     disclosure; or (b) in writing only, within ten (10) days of the original
     disclosure, in which case the recipient shall not be held liable for any
     disclosure of the Proprietary Information prior to it being so labelled.

2.   OBLIGATION TO PROTECT PROPRIETARY INFORMATION

     a.   Each party agrees that if it is a recipient under this Agreement, it
          will not publish or otherwise disclose Proprietary Information
          received from the disclosing party to any third party or to any person
          employed by the recipient other than those who have a "need to know"
          in order to evaluate Proprietary Information and make the decisions
          contemplated by this Agreement. Any employee, consultant or other
          agent to whom a recipient party discloses Proprietary Information
          received for a disclosing party as provided in this Agreement, shall
          be subject to confidentiality obligations to such recipient party
          covering the Proprietary Information to at least the same extent as
          the recipient party is obligated by this Agreement. Each recipient
          party agrees to exercise reasonable care to protect the disclosing
          party's Proprietary Information and shall utilize the same procedures
          and systems to protect such Proprietary Information as it utilizes to
          protect its own Proprietary Information and other proprietary data.

*** Represents text omitted pursuant to a request for confidential treatment.
The omitted material has been filed separately with the Securities and Exchange
Commission.

                                       20
<PAGE>

     b.   Each party agrees to use Proprietary Information received from the
          other party only for the purposes described in this Agreement.

     c.   Immediately upon the request of the disclosing party, the recipient
          shall return to the disclosing party any of the disclosing party's
          Proprietary Information so requested without retaining any copies
          thereof. Upon termination of the relationship or discussions
          contemplated by this Agreement, all Proprietary Information shall be
          returned by the recipient to the disclosing party without retaining
          any copies thereof.

     d.   Unless otherwise stated in writing signed by the parties, a
          recipient's obligation to protect Proprietary Information shall
          continue for five (5) years from disclosure.

     e.   Company further agrees that it will at no time during the five (5)
          years from the date written above use its access to Spire employees as
          an opportunity to solicit their employment elsewhere on Company's or
          any other party's behalf and for any purpose.

3.   LIMITATIONS ON THE PARTIES' OBLIGATIONS

     No obligation to protect Proprietary Information shall exist under this
     Agreement with respect to any information which: (a) at the time of
     disclosure is in the public domain, (b) enters the public domain through no
     act or failure to act by the recipient, (c) comes into the possession of
     the recipient from a third party without obligation on the recipient to
     maintain it in confidence, or (d) at the time of disclosure to the
     recipient was already known to the recipient as evidenced by appropriate
     documentation.

4.   EFFECT OF AGREEMENT

     All Proprietary Information remains the property of the disclosing party at
     all times. This Agreement does not constitute the promise or intention of
     either party to buy, or sell or market any products or services or to enter
     into any other type of arrangement or agreement. This Agreement does not
     constitute or imply the grant of any license or permission to use any
     intellectual property or Proprietary Information except to the limited
     extent and for the limited purposes set forth herein.

5.   MISCELLANEOUS

     Any failure by either party to enforce its rights under this Agreement in
     any one instance shall not constitute a waiver of those rights in any other
     instance. The Parties acknowledge that a breach of this Agreement by a
     recipient may result in irreparable harm to the disclosing party not easily
     measured in monetary damages alone. Therefore, in addition to all other
     remedies available at law, the parties consent to the imposition of
     equitable remedies including injunctive relief without the necessity of
     proof of actual damages. This agreement shall be governed and construed
     under the laws of the ***.

6.   TERM

     The term of this agreement shall be three (3) year(s) from the date written
     above, except as to the obligations set forth in paragraph 2.

*** Represents text omitted pursuant to a request for confidential treatment.
The omitted material has been filed separately with the Securities and Exchange
Commission.

                                       21

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