Document:

Equipment Purchase Agreement

 Exhibit 10.46 
 EQUIPMENT PURCHASE AGREEMENT 
 THIS EQUIPMENT PURCHASE AGREEMENT,
dated as of January 7, 2010 (“Agreement”), is made by and between Ascent Solar Technologies, Inc., a Delaware corporation (“AST”), and ITN Energy Systems, Inc., a Colorado corporation (“ITN”), together the
“Parties” and individually a “Party”. 
 RECITALS 
 WHEREAS, ITN desires to sell to AST, and AST desires to purchase from ITN, certain equipment (“Equipment”) on the terms and conditions set forth
herein. 
 NOW THEREFORE, the Parties, intending to be legally bound, hereby agree as follows: 
 AGREEMENT 
 1.
Description of Equipment. The description of the Equipment to be sold and purchased under this Agreement Is set forth in the attachment (“Attachment”) to this Agreement. 
 2. Purchase of Equipment. Upon the terms of this Agreement, ITN shall sell, assign, transfer, convey, and deliver to AST all right, title, and interest in and to the Equipment and AST shall
purchase all right, title, and interest in and to such Equipment. 
 3. Purchase Price. The total purchase price for all Equipment shall
be one million United States Dollars ($1,100,000.00). The purchase price for each individual piece of Equipment shall be as specified in the Attachment to this Agreement. 
 4. Payment. The payment terms are set forth in the Attachment to this Agreement. 
 5.
Taxes. AST shall be solely responsible for any and all taxes applicable to the purchase of the Equipment. 
 6. No Warranty. The
Equipment is sold “As Is”. There is no warranty for any defect or defects in the Equipment. As of the date of delivery, repairs and modifications to the Equipment will become the sole responsibility of AST. 
 7. No Right of Return. As of the date of delivery, the sale of the Equipment is final and there is no right of return or right of refund. 

8. Limitation of Liability. Except as otherwise expressly stated herein and subject to mandatory limitations under applicable law, in no event
shall any Party hereto be liable to any other Party hereto or any third party for any indirect, consequential, incidental, punitive, or special damages whatsoever, without regard to cause or theory of liability (including, without limitation,
damages incurred by such other Party or such third party for loss of business profits or revenue, business interruption, loss of business information, or other pecuniary loss) arising out of this Agreement. 
 9. Force Majeure. Notwithstanding anything to the contrary in this Agreement or the Attachment hereto, no Party shall be considered in default of
performance under this Agreement to the extent that performance is delayed or prevented by reasons beyond the reasonable control of such Party, including but not limited to fire, flood, hurricanes, earthquake, or similar natural disasters, riot,
war, terrorism, radical changes in government import/export regulations, labor strikes, or civil strife. 

 10. Notices. All notices, consents, requests, and other communications under this Agreement shall be
in writing and shall be delivered by certified letter or courier or hand-delivered to the person below. Notice shall be effective upon receipt. 
 If to AST: 
 Gary Gatchell, CFO 
 12300 N. Grant Street 
 Thornton, CO 80241-3120 
 If to lTN: 
 Dr. Mohan Misra, President and CEO 
 8130 Shaffer Parkway 
 Littleton, CO 80127-4107

 11. Applicable Law. The validity, performance, and construction of this Agreement shall be governed by the laws of the State of
Colorado without regard to its conflicts of laws principles. 
 12. Jurisdiction and Venue. The Parties agree that all actions arising
under this Agreement or otherwise as a result of the relationship between the Parties must be commenced before the courts of the State of Colorado, Denver County and both Parties irrevocably submit to the jurisdiction of these courts and waive any
objections they may have to either the jurisdiction of or venue in these courts. 
 13. Assignment. This Agreement may not be assigned or
transferred without the express written consent of both Parties. Any attempt to assign or transfer this Agreement without express written consent is void. 
 14. Waiver. Any waiver by any Party of any breach of any kind or character whatsoever by any other Party, whether such waiver be direct or implied, shall not be construed as a continuing waiver of,
or consent to, any subsequent breach of this Agreement on the part of the other Party. In addition, no course of dealing between the Parties, nor any delay in exercising any rights or remedies of the Parties, shall be construed as a waiver.

 15. Complete Agreement. This Agreement constitutes the entire agreement between the Parties with respect to the subject matter
contemplated hereby and supersedes all prior agreements and understandings, written or oral, with respect to the subject matter hereof. This Agreement may not be amended or modified in any way, nor may noncompliance with its terms be waived, except
pursuant to a written instrument signed by both Parties. 
 IN WITNESS WHEREOF, the Parties hereto have signed this Agreement as of the date and
year first above written. 
  

									
	ASCENT SOLAR TECHNOLOGIES, INC.	 		 	ITN ENERGY SYSTEMS, INC.
					
	By:	 	 /s/ Gary Gatchell
	 		 	By:	 	 /s/ Dr. Mohan Misra

	Printed Name:	 	Gary Gatchell	 		 	Printed Name:	 	Dr. Mohan Misra
	Title:	 	Chief Financial Officer	 		 	Title:	 	President and Chief Executive OfficerAmendment #2 to Toll Manufacturing Agreement

 Exhibit 10.36 
 AMENDMENT NO. 2 
 TO THE TOLL MANUFACTURING AGREEMENT

 This Amendment No. 2 (the “Amendment”), effective September 17, 2009, is by and between Arena Pharmaceuticals GmbH
(“Arena”) and Siegfried Ltd. (“Siegfried”), and modifies the Toll Manufacturing Agreement, dated January 7, 2008, as amended, by and between Arena and Siegfried (the “Agreement”). All capitalized terms used herein
and not otherwise defined shall have the meanings set forth in the Agreement. 
 WHEREAS, subject to the concurrent amendment of
the Technical Services Agreement between Arena and Siegfried, dated January 7, 2008, the Parties wish to amend the Agreement as stated in this Amendment. 
 NOW, THEREFORE, in consideration of the promises and the mutual covenants set forth herein, the receipt and sufficiency of which are hereby acknowledged, the Parties agree as follows: 
 1. The last sentence of Section 2.1 paragraph 1 shall be replaced with the following sentence: 
 “Until December 31, 2010, SIEGFRIED shall use its reasonable commercial effort to order from ARENA such quantity of
products as is necessary for ARENA’s personnel to maintain its manufacturing skills.” 
 2. Section 2.6 shall be
replaced with the following text: 
 “Term. This Agreement is entered into for indefinite period of
time. This entire Agreement may be terminated by either Party upon giving 18 months prior notice at any time after the Effective Date, in a Party’s discretion and for any reason or for no reason, with an effective termination date no earlier
than December 31, 2010. As from December 31, 2010, either Party may terminate this Agreement upon giving six (6) months prior notice at any time, in a Party’s discretion and for any reason or for no reason, with an effective
termination date no earlier than June 30, 2011. In addition, upon giving the number of months notice as specified in Appendix A, ARENA shall be entitled to terminate its obligations with regard to certain Products effective on or after
December 31, 2010; with regard to Gabitril, however, effective on or after August 11, 2012 only, and with regard to Idebenon effective on or after December 31, 2012 only (provided the foregoing obligation is subject to the last
sentence of the first paragraph of Section 3.1). In the event ARENA’s obligations are terminated with regard to certain Product(s) and not with regard to the entire Agreement, the maximum quantities of remaining Products that SIEGFRIED may
order per Appendix B shall be reduced based on the most recent 12 months forecast issued before the termination is communicated to SIEGFRIED. SIEGFRIED’s continued performance under the Technical Services Agreement between ARENA and SIEGFRIED
dated January 7, 2008, as amended (the “TSA”), if so requested by ARENA, is a condition precedent to ARENA’s continued performance under this Agreement after December 31, 2010. If ARENA is asked to manufacture validation
lots of Product(s) under this Agreement, the standard cost and any additional costs for relevant Services of Arena for such lots must be agreed in advance between the parties.” 
 3. With effect as of January 1, 2011: 
 (i) the last column in Appendix A (“Termination period / months”) shall mention a period of six (6) months only; and 
 (ii) Section 3.7 and Appendix B1 shall be deleted in their entirety; 
 (iii) the following language is hereby added to the end of Appendix B: For each year after 2011, unless otherwise agreed by
the Parties in advance, the maximum quantities of Products shall match twice the preceding year’s quantity. 
 4. With
effect as of January 1, 2011, Appendix F shall be deleted and paragraphs 2 though 4 of Section 6.2 shall be replaced by the following text: 

 “The Standard Prices charged to Siegfried shall be the actual costs generated in SAP, as agreed upon by
the parties, subject to increase as a result of inflation. For the years following 2011, the Swiss consumer price index shall govern the inflation rate applied to the Standard Prices, with Standard Prices increased by the inflation from
(i) November of the penultimate year prior to the year for which the Standard Prices are to be computed, to (ii) November of the year before the year for which the Standard Prices are to be computed. For example, to calculate any increase
to the Standard Prices for 2012, inflation would be measured between November 2010 through November 2011. Such adjustments to Standard Prices due to inflation shall be performed within the SAP system by Siegfried, provided Arena shall be consulted
in advance as to the calculations and provided written support for the calculations. For clarity, any increases in ARENA’s costs pursuant to the terms of the TSA will be reflected in the calculation of the Standard Prices.” 
 5. The following sentence shall be added to the end of the first paragraph of Section 5.3: 
 “The Product forecast of July 2010 shall cover the entire year 2011, whereby the forecast for the second half of 2011 shall as well be for planning
purposes only.” 
 6. Unless otherwise specifically amended herein, all of the terms and conditions of the Agreement shall
remain in full force and effect. The Agreement, as amended hereby, constitutes and contains the entire agreement of the Parties and supersedes any and all prior negotiations, correspondence, understandings, letters of intent and agreements between
the Parties respecting the subject matter hereof. The Agreement may be amended or modified, or one or more provisions hereof may be waived, only by written instrument signed by the authorized representatives of the Parties. 
 7. This Amendment may be executed in multiple counterparts, each of which shall be considered and shall have the same force and effect of an
original. 
 8. This Amendment shall in all respects be construed and enforced in accordance with the laws of Switzerland under
the exclusion of the UN Convention on Agreements for the International Sale of Goods (the so-called Vienna Convention). 
 IN WITNESS WHEREOF,
the undersigned, intending to be legally bound, have executed, or caused to be duly executed, this Amendment. 
  

									
	Siegfried Ltd.	 		 	Arena Pharmaceuticals GmbH
					
	 By:
	  	 /s/    Hans–Rudolf Kern
	 		 	By:	  	 /s/    Bernhard Brecht

	 Name:
	  	Hans–Rudolf Kern	 		 	 Name:
	  	Bernhard Brecht
	 Date:
	  	September 17, 2009	 		 	 Date:
	  	September 17, 2009
					
	 By:
	  	 /s/    A. Richard Bruce
	 		 	 By:
	  	 /s/    Sabine Plaas

	 Name:
	  	A. Richard Bruce	 		 	 Name:
	  	Sabine Plaas
	 Date:
	  	September 17, 2009	 		 	 Date:
	  	September 17, 2009

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