Document:

Retention Bonus Arrangements

 Exhibit 10.86 
 In conjunction with the restructuring plan of the Company and the uncertainty surrounding the financial condition of the Company, the board of directors of the Company approved on November 8, 2008, grants of
retention bonuses to the Company’s remaining 16 employees, including the named executive officers, which required repayment if the respective employee terminated employment before February 9, 2009. Under the terms of retention bonus
agreements, the retention bonus amounts were equal to two months of base salary for each respective retained employee, of which 50% was paid on November 17, 2008, 25% was paid on November 26, 2008 and 25% was paid on December 15,
2008. Mr. Kranda, Jean-Frédéric Viret, the Company’s former chief financial officer, and Dr. Houghton received retention bonuses in the aggregate amounts of $75,000, $44,167 and $56,667, respectively. 
 As a result of the continuing uncertainty surrounding the financial condition of the Company and in conjunction with the Company’s continuing
operations for 2009, the board of directors of the Company approved on February 12, 2009, grants of retention bonuses to the Company’s remaining employees to maintain ongoing operations and retain such employees, including the named
executive officers. Under the terms of retention bonus agreements, the retention bonuses must be repaid if the employee resigns from employment before the expiration of a 60 day period following the retention bonus payment. The retention bonuses are
equal to a pre-determined amount for each remaining employee, of which 33% was paid on March 1, 2009 and of which the subsequent amounts will be paid on or about May 15, 2009, and on or about June 30, 2009, subject to further approval
by the board of directors. For Mr. Kranda, Mr. Tran, and Dr. Houghton, the retention bonuses paid on March 1, 2009 amounted to $66,667, $16,000 and $33,333, respectively.Supply Agreement effective as of March 23, 2009

 Exhibit 10.56 
 SUPPLY AGREEMENT 
 This Supply Agreement (the “Agreement”) is made and entered into by and between
NANOPHASE Technologies Corporation, a Delaware corporation, with offices located at 1319 Marquette Drive, Romeoville, Illinois 60446 (“Nanophase”), and Rohm and Haas Electronic Materials CMP Inc., a Delaware corporation, with offices
located at 451 Bellevue Road, Newark, Delaware 19713 (“RHEM”), for effectiveness March 23 2009 (“Effective Date”). 
 WHEREAS,
Nanophase and RHEM have mutually consented to terminate the Amended and Restated Cooperation Agreement between them dated August 25, 2006, governing various business transactions, including the parties’ cooperation, Nanophase’s
supply, and RHEM’s purchase of certain products made by Nanophase (the “2006 Agreement”); 
 WHEREAS, Nanophase and RHEM recognize that
it is desirable for both parties to ensure the continuous supply of certain products manufactured by Nanophase, and used by RHEM for chemical mechanical planarization (“CMP”) applications, and to continue the parties’ business
relationship; 
 NOW THEREFORE, in consideration of the mutual covenants and agreements herein, sufficiency of which is expressly acknowledged,
Nanophase and RHEM hereby agree as follows: 
  

	1.	Definitions: 

 For purposes of this Agreement,
“Product(s)” means nanocrystalline cerium oxides particles (“Ceria”) and/or dispersions of Ceria using Nanophase’s proprietary process (“Ceria Particles”) for use by RHEM in products for CMP applications for
semiconductor wafers. 
  

	2.	Term: 

 This Agreement shall commence on March 23, 2009, and
expire on March 23, 2012 (the “Term”), for a term of three (3) years. Unless terminated by either party by giving the other party a written notice at least ninety (90) days prior to the expiration of the Term, the Term of
this Agreement is automatically renewed for another two (2) years upon the expiration date. 
 In the event Nanophase either ceases its entire business
operation, or the production of the Products, Nanophase shall notify RHEM in writing at least six (6) months prior to the effective date of such event, and RHEM may immediately terminate this Agreement. 
  

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 In the event that RHEM either ceases its entire business operation, or the sale of the Products, RHEM shall notify
Nanophase in writing at least six (6) months prior to the effective date of such event, and Nanophase may immediately terminate this Agreement. 
 The
parties’ 2006 Agreement shall be terminated immediately upon the start of the Term of this Agreement. However, each party’s respective obligations, rights and liability under Sections 6, 7, 9 and 14 of the 2006 Agreement shall remain in
effect. In addition, each party’s respective obligations, rights and liability incurred under this Agreement, prior to its termination date, shall survive the termination of this Agreement. 
  

	3.	Purchase and Sale: 

 During the Term of this Agreement, RHEM agrees
to buy, and Nanophase agrees to sell to RHEM, the quantity of Products as may be required by RHEM and set forth under purchase orders from RHEM. The purchase orders will contain specifications of Products required by RHEM, including price, payment
term, and the manner of delivery (“Purchase Order(s)”). 
 Nanophase shall directly provide stable supply and sufficient volume of Products
required by RHEM as demonstrated by a rolling non-binding six-month forecast provided by RHEM on a quarterly basis. There shall be no requirement on minimum monthly purchase by RHEM. 
 In the event that the term of a Purchase Order exceeds the Term of this Agreement, then this Agreement will continue to govern the purchase and sale of Products pursuant to such Purchase Order until the Purchase Order
expires or is terminated. 
 The parties’ relationship under this Agreement is intended to be non-exclusive. Accordingly, nothing herein shall require:
(a) RHEM to purchase Ceria exclusively from Nanophase, or (b) Nanophase to sample or sell Ceria or its Ceria Particles exclusively to RHEM. 
  

	4.	Price: 

 Pricing may be amended by both parties in writing from time
to time. 
  

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	5.	Warranty: 

 Nanophase warrants that all Products purchased by RHEM
(a) meet all current industry standards with respect to materials and workmanship; (b) conform to the specifications set forth in the applicable Purchase Order, as well as to all of Nanophase’s applicable written specifications,
drawings, samples, or other descriptions of the Products and to any further specifications, standards, and/or other criteria agreed upon in writing between the parties; (c) to the best of Nanophase’s knowledge, do not infringe upon any
patent or trade secret of any third party, including the processes Nanophase applies in manufacturing and selling the Products; and (d) are and shall be in compliance with all applicable laws, rules and regulations. 
 TO THE EXTENT ALLOWABLE BY LAW, ALL OTHER WARRANTIES ARE EXCLUDED HEREIN, WITH THIS EXCLUSION EXTENDING TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE. 
  

	6.	Remedies for Breach of Warranty: 

 In the event Products purchased
pursuant to this Agreement do not meet all warranties specified above, RHEM may, in addition to reimbursement of all reasonable damages and entitlement to indemnification from Nanophase (under Section 8 of this Agreement), at its sole
discretion, return any nonconforming Products at the cost of Nanophase, for replacement, refund, or credit of the purchase price. In the event RHEM elects to return any Products, the parties will adhere to the following protocol: (a) RHEM will
contact Nanophase’s Quality Director and then forward to the Quality Director a sample of the Products that RHEM believes is non-conforming, together with supporting documentation (including any test results); (b) upon receipt of the
sample, Nanophase will test it and then notify RHEM of the test results; (c) where the test results confirm that the sample is non-conforming, Nanophase will provide RHEM with Nanophase’s Return Authorization Number (“RAN”); and
(d) to the extent possible, all paperwork concerning the returned Products must include Nanophase’s RAN. Nanophase shall arrange and pay for the return of the confirmed non-conforming Products to Nanophase. In the event of a disagreement
as to non-conformity, the affected Products shall be submitted to testing by an independent third-party reasonably agreeable to both parties. 
  

	7.	Remedies for Shortage of Supply 

 Nanophase expressly acknowledges
that REHM reasonably relies on covenant by Nanophase to provide sufficient quantity of Products required by RHEM, as set forth under Section 3 herein, in order to maintain desirable operation levels. In the event 

  

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Nanophase is unable to directly provide RHEM sufficient volume of required Products, RHEM may, in addition to entitlement to indemnification from Nanophase
(under Section 8 of this Agreement), require specific performance by Nanophase to fulfill all of its obligations hereunder. 
  

	8.	Indemnity 

 Each party (the “Indemnifying Party”) agrees
to indemnify and hold the other party, its parents, subsidiaries, affiliates and permitted assigns, and the directors, employees and agents of each of the foregoing entities (all the “Indemnified Party”), harmless from and against all
liabilities, claims, damages and expenses (including, without limitation, reasonable attorney’s fees) arising out of or in connection with (a) any act or omission of the Indemnifying Party in breach of this Agreement, (b) any injury
or damage to the extent attributable to the fault or negligence of the Indemnifying Party, or (c) violation of any law, rule, regulation or order by the Indemnifying Party related to this Agreement. 
 In the event of liability arising from a claim by a third party that both parties to this Agreement infringed a patent held by such third party, the party (RHEM or
Nanophase) determined by the final, non-appealable judgment of a court of competent jurisdiction to be the direct cause of the infringement (if any) shall indemnify the other party for its costs rising out of such claim. This Section 8 shall
not apply to relieve either party’s liability to the other for breach of such party’s obligations to the other party hereunder. 
  

	9.	Force Majeure: 

 Neither party will be held responsible for any
delay or failure in performance of any part of this Agreement to the extent such delay or failure is caused by force majeure, which shall mean acts of God, strikes not reasonably anticipated, lockouts, acts of terrorism, labor restrictions by any
governmental authority, civil riot, floods, hurricanes, tornadoes, or other natural disaster, and any other cause not within the control of either party. A party who is delayed or fails to perform as a result of such an event (“Affected
Party”) will use its best commercially reasonable efforts to mitigate and minimize any delay in the performance of the affected obligation. The Affected Party will provide written notice to the other party within ten (10) days of
discovering such an event stating the nature and cause of the event, the anticipated delay, the actions taken or planned by the Affected Party to minimize the delay, and the timetable for implementation of such actions. 
  

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	10.	Non-Disclosure: 

 All documents, records, communication,
information, or other written or electronic materials received by Nanophase from RHEM relating to this Agreement and all information developed by RHEM and/or Nanophase using the foregoing under this Agreement, are confidential (“Confidential
Information”); provided that Confidential Information disclosed by either party in tangible form shall be labeled as “Confidential” or “Proprietary” or the like at the time of disclosure and Confidential Information
disclosed in oral or visual form shall be confirmed in writing as “Confidential” or “Proprietary” or the like within thirty (30) days of a party’s original disclosure. Except as required by law or otherwise provided in
this Section, without the prior written consent of an authorized representative of RHEM, Nanophase shall neither disclose to, nor discuss with, any third party the Confidential Information. Prior to any disclosure of Confidential Information,
whether as required by law or otherwise, Nanophase shall inform RHEM in writing of the nature and reasons for such disclosure; provided that nothing in this Section 10 is intended to require Nanophase to so inform RHEM with respect to
Nanophase’s disclosure of the parties’ relationship contemplated by this Agreement in filings with the U.S. Securities and Exchange Commission if Nanophase’s counsel reasonably determines that such disclosure is appropriate. Nanophase
shall not use any communication or information obtained from RHEM for any purpose other than the performance of this Agreement, without RHEM’s prior written consent. At the conclusion of the performance of this Agreement, Nanophase shall return
to RHEM all written materials constituting or incorporating any communications or information obtained from RHEM. Nanophase may retain one (1) copy of such materials for archive purposes, subject to the requirements of this Section 10.

  

	11.	Notice: 

 All notices relating to this Agreement must be given in
writing and will be deemed given (i) in the case of mail, five days after the date deposited in the mail, postage prepaid, and certified, with return receipt requested; (ii) in the case of personal delivery to an authorized representative
or officer of the party, or in the case of express courier service or overnight delivery service of international standing, on the date of delivery or attempted delivery (if receipt is refused); or (iii) in the case of facsimile, the day after
it has been sent with confirmation, including automated or electronic confirmation of receipt provided that a duplicate copy of such notice is also promptly sent pursuant to (i) or (ii) above. Notices will be sent to the following
addresses, but each party may change its address by written notice in accordance with this Section: 
  

	To Nanophase:	Nanophase Technologies Corporation 

 1319 Marquette Drive

 Romeoville, Illinois 60446 
 Attention: David Nelson 
  

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	To RHEM:	Rohm and Haas Electronic Materials CMP Inc. 

 Address: 451
Bellevue Road 
 Newark, Delaware 19713 
 Attention: Chris Springer 
 With a copy to: 
 Rohm and Haas Electronic Materials CMP Inc. 
 Law Department 
 451 Bellevue Road 
 Newark, Delaware 19713

 Attention: Corporate Counsel 
  

	12.	Entire Agreement: 

 (a) This Agreement and
RHEM’s Purchase Orders, together with sections 6, 7, 9 and 14 of the parties’ 2006 Agreement, constitute the entire agreement of the parties and supersedes any and all prior communications, representations or agreements between the
parties, whether oral or written, regarding the subject matter of this Agreement. 
 (b) In the event any conflict exists between the
Agreement and the Purchase Order, the terms of this Agreement shall control. 
 (c) This Agreement may not be amended or modified except by
writing signed by both parties. 
  

	13.	Non-Waiver: 

 The failure of Nanophase or RHEM at any time to
require performance by the other of any provision hereof shall in no way affect the full right to require such performance at any time thereafter, nor shall the waiver by Nanophase or RHEM of a breach of any provision hereof be taken or held to be a
waiver of any succeeding breach of such provision or as a waiver of the provision itself. 
  

	14.	Survival: 

 The termination or expiration of this Agreement for any
reason shall not affect any of the provisions hereof which expressly continue in force after its termination or expiration, including the provisions of Sections 5, 8, 10, 12, which the parties expressly agree shall survive any expiration or
termination hereof. 
  

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	15.	No Assignment: 

 This Agreement may not be assigned by either party
without the prior written consent of the other party, except this Agreement may be assigned by RHEM to any of its affiliate. 
  

	16.	Governing Law: 

 This Agreement is governed by and construed in
accordance with the laws of the State of Delaware, the United States of America, excluding conflict of law rules. The parties exclude from application to this Agreement the United Nations Convention on Contracts for the International Sale of Goods
and the United Nations Convention on the Limitation Period in International Sale of Goods. The parties hereto submit to the personal jurisdiction of state and federal courts in the state of Delaware. 
  

	17.	Severability: 

 Each provision of this Agreement will be interpreted
in such a manner as to be effective and valid under applicable law. However, in the event that any provision of this Agreement becomes or is held to be illegal by any court of competent jurisdiction, or becomes otherwise unenforceable, such
provision will be deemed deleted from this Agreement, or revised in its scope as enforceable under applicable law, and all other terms of this Agreement will remain in full force and effect. 
 IN WITNESS WHEREOF, the parties hereto have caused their duly authorized representatives to execute this Agreement for effectiveness as of the Effective Date.

  

			
	 Nanophase Technologies Corporation
	 	Rohm and Haas Electronic Materials CMP Inc.
		
	 By: /S/    JESS
JANKOWSKI                                    

 Name: Jess Jankowski
 Title: CEO
	 	 By: /S/    SAMUEL W.
SHOEMAKER                                    

 Name: Samuel W. Shoemaker
 Title: President and CEO

  

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