Document:

Form of Indemnification Agreement

 Exhibit 10.11 
 FORM OF INDEMNIFICATION AGREEMENT 
 This Indemnification Agreement (“Agreement”) is made as of
this          day of                         , 2007 by and between Rubicon
Technology, Inc., a Delaware corporation (the “Company”), and the undersigned [director/officer] of the Company (“Indemnitee”). 
 WHEREAS, the Company and Indemnitee recognize the increasing difficulty in obtaining directors’ and officers’ liability insurance, the significant increases in the cost of such insurance and the general
reductions in the coverage of such insurance; 
 WHEREAS, the Company and Indemnitee further recognize the substantial increase in corporate
litigation in general, subjecting officers, directors and employees to expensive litigation risks at the same time as the availability and coverage of liability insurance has been severely limited; and 
 WHEREAS, the Company desires to attract and retain the services of highly qualified individuals such as Indemnitee to serve as officers, directors or
employees of the Company or any subsidiary and to indemnify such officers, directors and employees so as to provide them with the maximum protection permitted by law. 
 NOW THEREFORE, in consideration for Indemnitee’s services as a director or officer of the Company or any subsidiary, the Company and Indemnitee hereby agree as follows: 
 1. Indemnification. 
 (a) Third Party Proceedings. The Company shall indemnify Indemnitee if Indemnitee is or was a party or is threatened to be made a party to, or is otherwise involved (including involvement as a witness) in, any threatened, pending or
completed action, suit, proceeding or any alternative dispute resolution mechanism, whether civil, criminal, administrative or investigative (other than an action by or in the right of the Company) by reason of the fact that Indemnitee is or was a
director or officer of the Company or any subsidiary of the Company, by reason of any action or inaction on the part of Indemnitee while a director or officer of the Company or any subsidiary of the Company or by reason of the fact that Indemnitee,
while serving as a director or officer of the Company or any subsidiary of the Company, is or was serving at the request of the Company or any subsidiary of the Company as a director, officer, employee or agent of another corporation, partnership,
joint venture, trust or other enterprise, against expenses (including attorneys’ fees), judgments, fines and amounts paid in settlement actually and reasonably incurred by Indemnitee in connection with such action, suit or proceeding if
Indemnitee acted in good faith and in a manner Indemnitee reasonably believed to be in or not opposed to the best interests of the Company or any subsidiary of the Company and, with respect to any criminal action or proceeding, had no reasonable
cause to believe Indemnitee’s conduct was unlawful. The termination of any action, suit or proceeding by judgment, order, settlement or conviction, or upon a plea of nolo contendere or its equivalent, shall not, of itself, create a
presumption that Indemnitee did not act in good faith and in a manner which Indemnitee reasonably believed to be in or not opposed to the best interests of the Company or any subsidiary of the Company and, with respect to any criminal action or
proceeding, had reasonable cause to believe that Indemnitee’s conduct was unlawful. 

 (b) Proceedings by or in the Right of the Company. The Company shall indemnify
Indemnitee if Indemnitee was or is a party or is threatened to be made a party to, or is otherwise involved (including involvement as a witness) in, any threatened, pending or completed action or suit by or in the right of the Company or any
subsidiary of the Company to procure a judgment in its favor by reason of the fact that Indemnitee is or was a director or officer of the Company or any subsidiary of the Company, by reason of any action or inaction on the part of Indemnitee while a
director or officer of the Company or any subsidiary of the Company or by reason of the fact that Indemnitee, while serving as a director or officer of the Company or any subsidiary of the Company, is or was serving at the request of the Company or
any subsidiary of the Company as a director, officer, employee or agent of another corporation, partnership, joint venture, trust or other enterprise, against expenses (including attorneys’ fees) and, to the fullest extent permitted by law,
amounts paid in settlement actually and reasonably incurred by Indemnitee in connection with the defense or settlement of such action or suit if Indemnitee acted in good faith and in a manner Indemnitee reasonably believed to be in or not opposed to
the best interests of the Company or any subsidiary of the Company, except that no indemnification shall be made in respect of any claim, issue or matter as to which Indemnitee shall have been adjudged to be liable to the Company or any subsidiary
of the Company unless and only to the extent that the Court of Chancery of the State of Delaware or the court in which such action or suit was brought shall determine upon application that, despite the adjudication of liability but in view of all
the circumstances of the case, Indemnitee is fairly and reasonably entitled to indemnity for such expenses which the Court of Chancery of the State of Delaware or such other court shall deem proper. 
 (c) Mandatory Payment of Expenses. To the extent that Indemnitee has been successful on the merits or otherwise in defense of any
action, suit or proceeding referred to in subsections (a) and (b) of this Section 1, or in defense of any claim, issue or matter therein, Indemnitee shall be indemnified against expenses (including attorneys’ fees) actually and
reasonably incurred by Indemnitee in connection therewith. 
 2. Agreement to Serve. In consideration of the protection afforded by
this Agreement, if Indemnitee is a director of the Company, he or she agrees to serve at least for the six months after the effective date of this Agreement as a director and not to resign voluntarily during such period without the written consent
of a majority of the Board of Directors of the Company. If Indemnitee is an officer of the Company or any subsidiary of the Company not serving under an employment contract, he or she agrees to serve in such capacity at least for the balance of the
current fiscal year of the Company or such subsidiary of the Company and not to resign voluntarily during such period without the written consent of a majority of the Board of Directors of the Company. Following the applicable period set forth
above, Indemnitee agrees to continue to serve in such capacity at the will of the Company or any subsidiary of the Company (or under separate agreement, if such agreement exists) so long as he or she is duly appointed or elected and qualified in
accordance with the applicable provisions of the Bylaws of the Company or such subsidiary of the Company or until such time as he or she tenders his or her resignation in writing. Nothing contained in this Agreement is intended to create in
Indemnitee any right to continued employment. 
 3. Expenses; Indemnification Procedure. 
  

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 (a) Advancement of Expenses. The Company shall advance all expenses incurred by
Indemnitee in connection with the investigation, defense, settlement or appeal of any civil or criminal action, suit or proceeding referenced in Section 1(a) or (b) (but not amounts actually paid in settlement of any such action, suit or
proceeding). Indemnitee hereby undertakes to repay such amounts advanced (without interest) only if, and to the extent that, it shall ultimately be determined that Indemnitee is not entitled to be indemnified by the Company as authorized hereby.

 (b) Notice/Cooperation by Indemnitee. Indemnitee shall, as a condition precedent to his or her right to be
indemnified under this Agreement, give the Company notice in writing as soon as practicable of any claim made against Indemnitee for which indemnification will or could be sought under this Agreement. Notice to the Company shall be directed to the
President of the Company at the address shown on the signature page of this Agreement (or such other address as the Company shall designate in writing to Indemnitee). Notice shall be deemed received three (3) business days after the date
postmarked if sent by domestic certified or registered mail, properly addressed; or five (5) business days if sent by airmail to a country outside of North America; otherwise notice shall be deemed received when such notice shall actually be
received by the Company. In addition, Indemnitee shall give the Company such information and cooperation as it may reasonably require and as shall be within Indemnitee’s power. 
 (c) Procedure. Any indemnification and advances provided for in Section 1 and this Section 3 shall be made no later than
thirty (30) days (or, in the case of an advance of expenses, twenty (20) days) after receipt of the written request of Indemnitee. Indemnitee may request indemnification at any time following the final disposition of a proceeding. If a
claim under this Agreement, under any statute or under any provision of the Company’s Certificate of Incorporation or Bylaws providing for indemnification is not paid in full by the Company within thirty (30) days (or, in the case of an
advance of expenses, twenty (20) days) after a written request for payment thereof has first been received by the Company, Indemnitee may, but need not, at anytime thereafter, bring an action against the Company to recover the unpaid amount of
the claim and, subject to Section 13 of this Agreement, Indemnitee shall also be entitled to be paid for the expenses (including attorneys’ fees) of bringing such action. If a determination by the Corporation that the director or officer
is entitled to indemnification pursuant to this Article 6 is required, and the Corporation fails to respond within sixty (60) days to a written request for indemnity, the Corporation shall be deemed to have approved the request. It shall be a
defense to any such action (other than an action brought to enforce a claim for expenses incurred in connection with any action, suit or proceeding in advance of its final disposition) that Indemnitee has not met the standards of conduct which make
it permissible under applicable law for the Company to indemnify Indemnitee for the amount claimed. However, Indemnitee shall be entitled to receive interim payments of expenses pursuant to Section 3(a) unless and until such defense may be
finally adjudicated by court order or judgment from which no further right of appeal exists. It is the parties’ intention that if the Company contests Indemnitee’s right to indemnification, the question of Indemnitee’s right to
indemnification shall be for the court to decide, and neither the failure of the Company (including its Board of Directors, any committee or subgroup of the Board of Directors, independent legal counsel or its stockholders) to have made a
determination that indemnification of Indemnitee is proper in the circumstances because Indemnitee has met the applicable standard of conduct required by applicable law, nor an actual 

  

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determination by the Company (including its Board of Directors, any committee or subgroup of the Board of Directors, independent legal counsel or its
stockholders) that Indemnitee has not met such applicable standard of conduct, shall be a defense to Indemnitee’s action for indemnification or create a presumption that Indemnitee has or has not met the applicable standard of conduct.

 (d) Notice to Insurers. If, at the time of the receipt of a notice of a claim pursuant to Section 3(b), the
Company has directors and officers liability insurance in effect, the Company shall give prompt notice of the commencement of such proceeding to the insurers in accordance with the procedures set forth in the respective policies. The Company shall
thereafter take all necessary or desirable action to cause such insurers to pay, on behalf of Indemnitee, all amounts payable as a result of such proceeding in accordance with the terms of such policies. 
 (e) Selection of Counsel. In the event the Company shall be obligated under Section 3(a) to advance the expenses of any
proceeding against Indemnitee, the Company, if appropriate, shall be entitled to assume the defense of such proceeding, with counsel approved by Indemnitee, upon the delivery to Indemnitee of written notice of its election and approval of counsel by
Indemnitee. After the delivery of such notice, approval of such counsel by Indemnitee and retention of such counsel by the Company, the Company shall not be liable to Indemnitee under this Agreement for any fees of counsel subsequently incurred by
Indemnitee with respect to the same proceeding, except as provided below. The Indemnitee shall have the right to employ his or her own counsel in any such proceeding at Indemnitee’s expense unless: (i) the employment of counsel by
Indemnitee has been previously authorized by the Company, (ii) Indemnitee shall have reasonably concluded that there may be a material conflict of interest between the Company and Indemnitee in the conduct of any such defense or (iii) the
Company shall not, in fact, have employed counsel to assume the defense of such proceeding, in each of which case the fees and expenses of Indemnitee’s counsel shall be at the expense of the Company. 
 4. Additional Indemnification Rights; Nonexclusivity. 
 (a) Scope. Notwithstanding any other provision of this Agreement, the Company hereby agrees to indemnify Indemnitee to the fullest
extent permitted by law, notwithstanding that such indemnification is not specifically authorized by the other provisions of this Agreement, by the Company’s Certificate of Incorporation or Bylaws or by statute. In the event of any change after
the date of this Agreement in any applicable law, statute or rule which expands the right of a Delaware corporation to indemnify a member of its board of directors or an officer or employee of the Company or any subsidiary of the Company, such
changes shall be, ipso facto, within the purview of Indemnitee’s rights and the Company’s obligations under this Agreement. In the event of any change in any applicable law, statute or rule which narrows the right of a Delaware corporation
to indemnify a member of its board of directors or an officer or employee of the Company or any subsidiary of the Company, such changes, to the extent not otherwise required by such law, statute or rule to be applied to this Agreement, shall have no
effect on this Agreement or the parties’ rights and obligations hereunder. 
 (b) Nonexclusivity. The
indemnification provided by this Agreement shall not be deemed exclusive of any rights to which Indemnitee may be entitled under the Company’s 

  

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Certificate of Incorporation or Bylaws, any agreement, any vote of stockholders or disinterested directors, the General Corporation Law of the State of
Delaware (the “DGCL”) or otherwise, both as to action in Indemnitee’s official capacity and as to action in another capacity while holding such office. The indemnification provided under this Agreement shall continue as to Indemnitee
for any action taken or not taken while serving in an indemnified capacity even though he or she may have ceased to serve in such capacity at the time of any action, suit or other covered proceeding. 
 5. Partial Indemnification. If Indemnitee is entitled under any provision of this Agreement to indemnification by the Company for some or a
portion of the expenses, judgments, fines or penalties actually or reasonably incurred by him or her in the investigation, defense, appeal or settlement of any civil or criminal action, suit or proceeding, but not, however, for the total amount
thereof, the Company shall nevertheless indemnify Indemnitee for the portion of such expenses, judgments, fines or penalties to which Indemnitee is entitled. 
 6. Mutual Acknowledgement. Both the Company and Indemnitee acknowledge that in certain instances Federal law or applicable public policy may prohibit the Company from indemnifying its directors, officers and
employees under this Agreement or otherwise. Indemnitee understands and acknowledges that the Company has undertaken or may be required in the future to undertake with the Securities and Exchange Commission to submit the question of indemnification
to a court in certain circumstances for a determination of the Company’s right under public policy to indemnify Indemnitee. 
 7.
Directors and Officers Liability Insurance. The Company shall, from time to time, make a good faith determination whether or not it is practicable for the Company to obtain and maintain a policy or policies of insurance with reputable
insurance companies providing the directors, officers and employees of the Company or any subsidiary of the Company with coverage for losses from wrongful acts or to ensure the Company’s performance of its indemnification obligations under this
Agreement. Among other considerations, the Company will weigh the costs of obtaining such insurance coverage against the protection afforded by such coverage. In all policies of directors’ and officers’ liability insurance, Indemnitee
shall be named as an insured in such a manner as to provide Indemnitee the same rights and benefits as are accorded to the most favorably insured of the Company’s directors, if Indemnitee is a director; or the most favorably insured of the
Company’s officers, if Indemnitee is not a director of the Company but is an officer of the Company or any subsidiary of the Company. Notwithstanding the foregoing, and subject to the Change in Control provisions of Section 22, the Company
shall have no obligation to obtain or maintain such insurance if the Company determines in good faith that such insurance is not reasonably available, if the premium costs for such insurance are disproportionate to the amount of coverage provided,
if the coverage provided by such insurance is limited by exclusions so as to provide an insufficient benefit or if Indemnitee is covered by similar insurance maintained by a subsidiary or parent of the Company. 
 8. Severability. Nothing in this Agreement is intended to require or shall be construed as requiring the Company to do or fail to do any act in
violation of applicable law. The Company’s inability, pursuant to court order, to perform its obligations under this Agreement shall not constitute a breach of this Agreement. The provisions of this Agreement shall be severable as provided in
this Section 8. If this Agreement or any portion hereof shall be invalidated on any 

  

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ground by any court of competent jurisdiction, then the Company shall nevertheless indemnify Indemnitee to the fullest extent permitted by any applicable
portion of this Agreement that shall not have been invalidated, and the balance of this Agreement not so invalidated shall be enforceable in accordance with its terms. 
 9. Exceptions. Any other provision herein to the contrary notwithstanding, the Company shall not be obligated pursuant to the terms of this Agreement: 
 (a) to indemnify or advance expenses to Indemnitee with respect to proceedings or claims initiated or brought voluntarily by Indemnitee
and not by way of defense, except with respect to proceedings brought to establish or enforce a right to indemnification under this Agreement or any other statute or law or otherwise as required under Section 145 of the DGCL, but such
indemnification or advancement of expenses may be provided by the Company in specific cases if the Board of Directors has approved the initiation or bringing of such suit; or 
 (b) to indemnify Indemnitee for any expenses incurred by Indemnitee with respect to any proceeding instituted by Indemnitee to enforce or
interpret this Agreement, if a court of competent jurisdiction determines that each of the material assertions made by Indemnitee in such proceeding was not made in good faith or was frivolous; or 
 (c) to indemnify Indemnitee for expenses or liabilities of any type whatsoever (including, but not limited to, judgments, fines, ERISA
excise taxes or penalties, and amounts paid in settlement) which have been paid directly to Indemnitee by an insurance carrier under a policy of directors and officers liability insurance maintained by the Company, its parent or any of its
subsidiaries or under any statute, indemnity provisions, vote or otherwise; or 
 (d) for any reimbursement of the
Corporation by such person of any bonus or other incentive-based or equity-based compensation or of any profits realized by such person from the sale of securities of the Corporation, as required in each case under the Securities Exchange Act of
1934, as amended, or any similar successor statute (the “Exchange Act”) (including any such reimbursements that arise from an accounting restatement of the Corporation pursuant to Section 304 of the Sarbanes-Oxley Act of 2002 (the
“Sarbanes-Oxley Act”), or the payment to the Corporation of profits arising from the purchase and sale by such person of securities in violation of Section 306 of the Sarbanes-Oxley Act), if such person is held liable therefor
(including pursuant to any settlement arrangements); or 
 (e) to indemnify Indemnitee for an accounting or disgorgement of
profits pursuant to Section 16(b) of the Exchange Act, or similar provisions of federal, state or local statutory law or common law, if such person is held liable therefor (including pursuant to any settlement arrangements); or 
 (f) to indemnify Indemnitee if prohibited by applicable law. 
 10. Construction of Certain Terms and Phrases. 
 (a) For purposes of this Agreement, references to the “Company” shall not include any constituent corporation absorbed in a consolidation or merger with the Company. 
  

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 (b) For purposes of this Agreement, references to “other enterprises” shall
include employee benefit plans; and references to “serving at the request of the Company” shall include any service as a director, officer, employee or agent of the Company which imposes duties on, or involves services by, such director,
officer, employee or agent with respect to an employee benefit plan or its participants or beneficiaries; and if Indemnitee acted in good faith and in a manner Indemnitee reasonably believed to be in the interest of the participants and
beneficiaries of an employee benefit plan, Indemnitee shall be deemed to have acted in a manner “not opposed to the best interests of the Company” as referred to in this Agreement. 
 (c) For purposes of this Agreement, a “change in control of the Company” shall be deemed to have occurred if after the
effective date: (i) as the result of, or in connection with, any cash tender or exchange offer, merger or other business combination, sale of all or substantially all of the assets or contested election, or any combination of the foregoing
transactions, less than a majority of the combined voting power of the then-outstanding securities of the Company or any successor corporation or entity entitled to vote generally in the election of the directors of the Company or such other
corporation or entity after such transaction is held in the aggregate by the holders of the securities of the Company entitled to vote generally in the election of directors of the Company immediately prior to such transaction; (ii) any person
or entity, including a “group” (as defined in Section 13(d)(3) of the Exchange Act), other than the Company, any wholly-owned subsidiary of the Company, any employee benefit plan of the Company or any subsidiary of the Company,
becomes the beneficial owner (as defined in Rule 13d-3 under the Exchange Act) of securities of the Company having 50% or more of the combined voting power of the then-outstanding securities of the Company that may be cast for the election of
directors of the Company (other than as a result of an issuance of securities initiated by the Company in the ordinary course of business); (iii) during any period of two consecutive years, individuals who at the beginning of any such period
constitute the directors of the Company cease for any reason to constitute at least a majority thereof unless the election, or the nomination for election by the stockholders of the Company, of each new director of the Company during such period was
approved by a vote of at least two-thirds of such directors of the Company then still in office who were directors of the Company at the beginning of any such period; or (iv) the stockholders of the Company approve a plan of complete
liquidation of the Company. 
 11. Counterparts. This Agreement may be executed in one or more counterparts, each of which shall
constitute an original. 
 12. Successors and Assigns. This Agreement shall be binding upon the Company and its successors and assigns
and shall inure to the benefit of Indemnitee and Indemnitee’s estate, heirs, legal representatives and assigns. The Company shall require and cause any successor (whether direct or indirect by purchase, merger, consolidation or otherwise) to
all, substantially all or a substantial part of the business and/or assets of the Company, by written agreement in form and substance satisfactory to Indemnitee, expressly to assume and agree to perform this Agreement in the same manner and to the
same extent that the Company would be required to perform if no such succession had taken place. 
 13. Attorneys’ Fees. In the
event that any action is instituted by Indemnitee under this Agreement to enforce or interpret any of the terms hereof, Indemnitee shall be entitled to be paid all court costs and expenses, including reasonable attorneys’ fees, incurred by
Indemnitee with 

  

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respect to such action, unless as a part of such action, the court of competent jurisdiction determines that each of the material assertions made by
Indemnitee as a basis for such action was not made in good faith or was frivolous. In the event of an action instituted by or in the name of the Company under this Agreement or to enforce or interpret any of the terms of this Agreement, Indemnitee
shall be entitled to be paid all court costs and expenses, including attorneys’ fees, incurred by Indemnitee in defense of such action (including with respect to Indemnitee’s counterclaims and cross-claims made in such action), unless as a
part of such action the court determines that each of Indemnitee’s material defenses to such action was made in bad faith or was frivolous. 
 14. Notice. Except as provided in Section 3(b), all notices, requests, demands and other communications under this Agreement shall be in writing and shall be deemed duly given (i) if delivered by hand and receipted for by
the party addressee, on the date of such receipt, or (ii) if mailed by domestic certified or registered mail with postage prepaid, on the third business day after the date postmarked. Addresses for notice to either party are as shown on the
signature page of this Agreement, or as subsequently modified by written notice. 
 15. Consent to Jurisdiction. The Company and
Indemnitee each hereby irrevocably consent to the jurisdiction of the courts of the State of Delaware for all purposes in connection with any action or proceeding which arises out of or relates to this Agreement and agree that any action instituted
under this Agreement shall be brought only in the state courts of the State of Delaware. 
 16. Choice of Law. This Agreement shall be
governed by and its provisions construed in accordance with the laws of the State of Delaware, as applied to contracts between Delaware residents entered into and to be performed entirely within Delaware without regard to the conflict of law
principles thereof. 
 17. Period of Limitations. No legal action shall be brought and no cause of action shall be asserted by or in
the right of the Company against Indemnitee, Indemnitee’s estate, spouse, heirs, executors or personal or legal representatives after the expiration of two years from the date of accrual of such cause of action, and any claim or cause of action
of the Company shall be extinguished and deemed released unless asserted by the timely filing of a legal action within such two-year period; provided, however, that if any shorter period of limitations is otherwise applicable to any such cause of
action, such shorter period shall govern. 
 18. Subrogation. In the event of payment under this Agreement, the Company shall be
subrogated to the extent of such payment to all of the rights of recovery of Indemnitee, who shall execute all documents required and shall do all acts that may be necessary to secure such rights and to enable the Company effectively to bring suit
to enforce such rights. 
 19. Retroactivity. This Agreement shall be deemed to have been in effect during all periods that Indemnitee
was a director, officer or employee of the Company, regardless of the date of this Agreement. 
 20. Amendment and Termination. No
amendment, modification, termination or cancellation of this Agreement shall be effective unless it is in writing signed by both of the 

  

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parties hereto. No waiver of any of the provisions of this Agreement shall be deemed or shall constitute a waiver of any other provisions hereof (whether or
not similar), nor shall such waiver constitute a continuing waiver. 
 21. Integration and Entire Agreement. Subject to the provisions
of Section 4, this Agreement sets forth the entire understanding between the parties hereto and supersedes and merges all previous written and oral negotiations, commitments, understandings and agreements relating to the subject matter hereof
between the parties hereto. 
 22. Change in Control. Notwithstanding any provision of this Agreement to the contrary, following the
occurrence of a change in control of the Company: 
 (a) all determinations with respect to Indemnitee’s entitlement to
indemnification and advancement of expenses shall, if requested by Indemnitee, be made by independent legal counsel selected by Indemnitee and reasonably acceptable to the Company, the determination of which shall be provided in writing to the
Company and Indemnitee; 
 (b) Indemnitee shall be entitled to control the defense of any action, suit, proceeding or other
matter with counsel of its own choosing reasonably acceptable to the Company, the reasonable fees and expenses of which shall be paid by the Company promptly as incurred; provided that the Company shall not be liable for any settlement of any such
action, suit, proceeding or other matter by Indemnitee effected without the Company’s written consent, which consent shall not be unreasonably withheld, delayed or conditioned; 
 (c) the Company shall, for a period of six years after the date of the change in control, maintain in effect with reputable insurers a
policy or policies of directors and officers liability insurance substantially equivalent (in terms of policy terms and levels of coverage) to the policy or policies maintained by the Company as of the date of the change in control with respect to
claims arising from or relating to actions or omissions, or alleged actions or omissions, occurring on or prior to the date of the change in control; and 
 (d) the Company shall, for a period of six years after the date of the change in control, maintain in effect the provisions in its Certificate of Incorporation and Bylaws providing for exculpation of director, officer
and employee liability and indemnification to the fullest extent permitted from time to time under the laws of the State of Delaware, which provisions shall not be amended except as required by applicable law or to make changes permitted by
applicable law that would enlarge the scope of the Indemnitee’s indemnification rights hereunder. 
 [signature page follows] 

 

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 IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the date first above written.

  

			
	 RUBICON TECHNOLOGY, INC.
 a Delaware
Corporation

		
	By:	 	 

			
	Name:	 	 

			
	Title:	 	 
	
	Address for notice:
	
	 
	
	 

			
	 AGREED TO AND ACCEPTED:
  
 INDEMNITEE:

		
	By:	 	 

			
	Name:	 	 

			
	Title:Commercial Lease, dated as of December 23, 2004

 Exhibit 10.12 
 COMMERCIAL LEASE 
  

							
	Date of Lease	  	Term of Lease	  	Base Rent:
			
	December 23rd, 2004	  	See Paragraph 1 below	  	$282,000 per lease year, payable in equal monthly installments of $23,500
				
	Purpose	  	Building	  	Premises:	  	Security Deposit:
				
	See Paragraph 4	  	 Approximately
 28,800 square feet
	  	 9901-9923 Franklin Avenue
 Franklin Park, Illinois 60131
	  	$23,500

  

							
	Lessee	  	Lessor
				
	Name:	  	RUBICON TECHOLOGY, INC.	  	Name:	  	BARTMANNS, PERALES & DOLTER, LLC
	Address:	  	9931 Franklin Avenue	  	Address:	  	1502 W. Fir
	City, State, Zip:	  	Franklin Park, Illinois 60131	  	City, State, Zip	  	Perry, Oklahoma 73077
	Telephone:	  	(847) 457-3610	  	Telephone:	  	(580) 336-0035

 In consideration of the mutual covenants and agreements herein stated, Lessee hereby leases to Lessee and Lessee
hereby leases from Lessor solely for the above purpose. 
  

			
	TERM	  	1. The Term of this Lease shall commence on the Commencement Date (as defined below) and end on the date immediately preceding the tenth (10th
) anniversary date of the Commencement Date. As used in this Lease, “Commencement Date” shall mean the date which is thirty (30) days after the last to occur of (i) Lessor obtaining record title
to the Premises, (ii) Lessee receiving a copy of the existing Phase I Environmental Report on the Property prepared by Noble & Associates, Inc., dated January 22, 2002, and the No Further Remediation Letter issued by the Illinois
Environmental Protection Agency dated March 28, 2003, (iii) Lessee obtaining a certificate of occupancy for that portion of the Premises known as 9901 Franklin Avenue from appropriate governmental authorities, and (iv) Masterform Tools, Inc.
vacates that portion of the Premises known as 9901 Franklin Avenue and the same are put in a “broom clean” condition ready for occupancy; provided, however, that notwithstanding the foregoing, so long as conditions (i) and (iv) have
occurred, the Commencement Date shall be no later than June 1, 2005. Lessor shall use its best efforts to cause the occurrence of (i) above not later than April 30, 2005.
		
	RENT	  	2. Lessee shall pay Lessor or Lessor’s agent as base rent for the Premises for each year of the term of this Lease the sum stated above, monthly on the first day of each month at
Lessor’s address stated above or such other address as Lessor may designate in writing.
		
	 ADDITIONAL
 RENT
	  	3. In addition to the base rent set forth in this Lease, Lessee shall also pay to Lessor as additional rent the sum of $250,000.00, payable in equal monthly installments of $2,083.33 throughout
the term of this Lease on the first day of each month along with the base rent due hereunder; subject, however, to the provisions of Paragraph 10 of this Lease.
		
	 LEASED PREMISES;
 USE
	  	4. The Premises shall include the rentable area of each of the buildings located 9901-9923 Franklin Avenue, Franklin Park, Illinois, 60131. The Premises shall be used only for manufacturing and
general support office purposes, in compliance with all federal, state, and local laws, and for no other purpose.
		
	SECURITY DEPOSIT	  	5. Lessee shall maintain a Security Deposit at all times during the term hereof with Lessor equal to one (1) month base rent (the “Security Deposit”). Lessee shall deposit the Security
Deposit with Lessor within three (3) business days after the Commencement Date. The Security Deposit shall be held by Lessor as security for the faithful performance by Lessee of all the terms, covenants, and conditions of this Lease to be kept and
performed by Lessee during the term hereof. If Lessee defaults with respect to any provisions of this Lease, including the provisions relating to the payment of rent, after the serving of any required notice and expiration of any applicable cure
period, Lessor may, but shall not be required to use, apply or retain all or any part of this Security Deposit for the payment of any rent or any other sum in default, or to compensate Lessor for any other loss or damage which Lessor may suffer by
reason of Lessee’s default. If any portion of such deposit is so used or applied, Lessee shall, within five days after written demand therefore, deposit cash with Lessor in an amount sufficient to restore the Security Deposit to its proper
amount and Lessee’s failure to do so shall be a default under this Lease. Lessor shall not be required to keep this Security Deposit separate from its general funds, and Lessee shall not be entitled to interest on such deposit. If Lessee shall
fully and faithfully perform every provision of this Lease to be performed by it, the Security Deposit or any balance thereof shall be returned to Lessee (or, at Lessor’s option, to the last assignee of Lessee’s interest hereunder) within
30 days following expiration of the Lease term. In the event of termination of Lessor’s interest in this Lease, Lessor shall transfer the deposit to Lessor’s successor in interest. The Security Deposit shall not be treated as an advance
payment of rent.

			
		
	ADDITIONAL CHARGES	  	 6. In addition to the Rent provided in this Lease, Lessee shall pay when due to appropriate third parties 100% of the following items (the
“Additional Charges”) and shall produce at Lessor’s request proof of payment of the Additional Charges:
  
 a. All real estate taxes and assessments including all water and sewer rents and other governmental impositions and charges of every kind and nature whatsoever, extraordinary, ordinary, foreseen and unforeseen, on the
Premises, including land, building and improvements thereon. Notwithstanding anything to the contrary, at Lessor’s request, Lessee shall pay to Lessor each month a prorated amount of Real Estate Taxes, based upon the reasonable estimate of
Lessor or its lender, which amount shall be applied toward the payment of Real Estate Taxes when due. Lessee may contest the amount of the Real Estate Taxes and/or the assessed value of the Premises in compliance with applicable laws so long as
Lessee pays the Real Estate Taxes when due or posts adequate security for their payment so as to avoid any tax sale of the Premises.
  
 b. All insurance premiums on the Premises, including all insurance premiums for fire, extended coverage, liability, and vandalism and malicious mischief endorsements and
any other insurance and endorsements that Lessor reasonably deems necessary on the Premises and that is available to Lessee on a commercially reasonable basis. Notwithstanding anything to the contrary, at Lessor’s request, Lessee shall pay to
Lessor each month a prorated amount of insurance premiums, based upon the reasonable estimate of Lessor or its lender, which amount shall be applied toward the payment of insurance premiums when due.
  
 c. All costs to maintain, repair, supervise and administer common areas, parking lots, sidewalks,
driveways, and other areas of the Premises including police and fire protection, all utility costs, landscaping, gardening, sound and music systems, if any, and personnel used in such operation as necessary to maintain the Premises in the same
condition as when the Lease commenced, ordinary wear and tear excepted. The foregoing shall not require Lessee to pay any management, administrative or other charges to Lessor or any agent of Lessor.
  
 d. Any parking charges, utilities, surcharges, or any other costs levied, assessed or imposed by, or
at the direction of, or resulting from statutes or regulations, or interpretations thereof promulgated by any governmental authority in connection with the use or occupancy of the Building or the parking facilities servicing the Premises.

 
 If Lessee fails to make any such payment within 15 days when due, Lessor shall have the right, but
not the obligation to pay same and any such payment shall be included within Additional Rent hereunder.

		
	FINAL CHARGES	  	7. Even though the term has expired and Lessee has vacated the Premises, when the final determination is made of Lessee’s share of said Additional Charges of the year in which the Lease
terminates, Lessee shall immediately pay same.
		
	UTILITIES	  	8. Lessee shall pay in addition to the rent above specified, all gas, heat, light, power, sewer charges, telephone service and all other services and utilities supplied to the Premises, together
with any taxes thereon, and in case such water rents and bills for gas, electric light and power shall not be paid when due, Lessor shall have the right to pay the same, which amount so paid, together with any sums paid by Lessor to keep the
Premises in a clean and health condition, as above specified, are declared to be so much additional rent and payable with the installment of rent next due thereunder. If any such services are not separately metered to Lessee, Lessee shall pay the
aforementioned prorated share of all charges metered with other premises.
		
	LATE CHARGES	  	9. Lessee hereby acknowledges that the late payment by Lessee to Lessor of rent or other sums due hereunder will cause Lessor to incur costs not contemplated by this Lease the exact amount of
which will be extremely difficult to ascertain. Such costs include processing and accounting charges, and late charges which may be imposed upon Lessor by terms of any mortgage or trust deed covering the Premises. Accordingly, if any installment of
Base Rent, Additional Rent, Additional Charges or any other sum due from Lessee shall not be received by Lessor or Lessor’s designee within five days of its due date or, if no due date is specified in this Lease, within five (5) days of demand
from Lessor, Lessee shall pay to Lessor a late charge equal to five percent of such overdue amount plus any attorney’s fees incurred by Lessor by reason of Lessee’s failure too pay Rent and/or other charges when due hereunder and, if such
payments remain unpaid for a period of thirty (30) days after written demand from Lessor, interest at the rate of 10% per annum. The parties hereby agree that such late charges represent a fair and reasonable amount of the cost that Lessor will
incur by reason of the late payment by Lessee. Lessee hereby specifically waives all notice, demand and presentment for monthly Base Rent and Additional Rent (as defined in Section 3 above), except as expressly provided for herein. Acceptance of
such late charges by the Lessor shall in no event constitute a waiver of Lessee’s default with respect to such overdue amount, not prevent Lessor from exercising any of the other rights and remedies granted hereunder.

  

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	OPTION TO PURCHASE	  	10. Lessee shall have the option to purchase all, but not less than all, of the Premises at any time during the Lease Term after the first day of the 61th month of the Lease Term and prior to the end of the Lease Tern, provided Lessee is not then in default under this Lease, which option is exercisable by written notice to Lessor not
later than 120 days prior to such date. The Purchase Price under this option shall be the greater of (i) $1,200,000, or (ii) the fair market value of the Premises (as of the date of Lessee’s exercise of the option) as determined by an appraiser
mutually agreeable to Lessor and Lessee, plus or minus standard prorations, payable in cash at closing. The parties agree to execute mutually acceptable documents, including a separate real estate purchase contract as may be reasonably necessary to
consummate this transaction, which contract shall include terms and conditions consistent with this Lease and with customs prevailing in Chicago, Illinois for transactions of this type. Title shall be conveyed by recordable warranty deed and shall
be free and clear of all liens and encumbrances except those arising from or imposed by applicable laws and ordinances, easements of record existing at the date of this Lease and taxes not yet due and payable. In the event Lessee exercises its
option to purchase, Lessee further agrees to pay to Lessor in a lump sum, at closing of the purchase under the option, the total of all remaining monthly installments provided for in Paragraph 3 above for the unexpired portion of the 10 year Lease
term.
		
	LESSEE NOT TO MISUSE SUBLET; ASSIGNMENT	  	11. Lessee shall not keep or store on the Premises any flammable or explosive liquids or materials save such as may be necessary for use in the business of the Lessee, and in such case, any such
substances shall be delivered and stored in amount, and used, in accordance with the rules of the applicable Board of Underwriters and statutes and ordinances now or hereafter in force. Lessee shall not do or permit anything to be done in or about
the Premises nor bring or keep anything therein which will in any way increase the existing rate of & affect any fire or other insurance upon the Building or any of its contents, or cause a cancellation of any insurance policy covering the
Building or any part thereof or any of its contents without the consent of Lessor and the amount of such increase, if any, shall be paid by Lessee to Lessor upon demand. Lessee will not load floors with machinery or goods beyond the floor load
rating prescribed by applicable municipal ordinances and will not allow the Premises to be occupied in whole, or in part, by any other person, and will not sublet the same or any part thereof nor assign this Lease without in each case the prior
written consent of the Lessor, which consent will not be unreasonably withheld or delayed by Lessor, and Lessee will not permit any transfer by operation of law the interest in the Premises acquired through this Lease. Lessee shall not do or permit
anything to be done in or about the Premises which will in any way obstruct or interfere with the rights of other tenants or occupants of the Building or inure or annoy them or use or allow the Premises to be used for any improper, immoral, or
unlawful purposes, nor shall Lessee cause, maintain or permit any nuisance in, on or about the Premises. Lessee shall comply with all governmental regulations, laws and ordinances relating to Lessor’s occupancy, use, repair and maintenance of
the Premises and all equipment and contents contained therein. Lessee shall not commit or allow to be committed any waste in or upon the Premises. Lessee will not permit the same to remain vacant or unoccupied for more than ten consecutive days, and
will not allow any sign (except for signage identifying Lessee’s business), cards or placards to be posted, or placed thereon.
		
	MECHANIC’S LIEN	  	12. Lessee will not permit any mechanic’s lien or liens to be placed upon the Premises or the Building during the term hereof and in case of the filing of such lien, Lessee will promptly
pay same, or, if Lessee desires to contest such lien, Lessee will deposit reasonably adequate security with Lessor. If default in payment thereof shall continue for 30 days after written notice thereof from Lessor to the Lessee, Lessee shall have
the right and privilege at Lessor’s option of paying the same or any portion thereof without inquiry as to the validity thereof and any amounts so paid, including attorney’s fees, expenses and interest, shall be so much additional rent
hereunder due from Lessee to Lessor and shall be immediately due and payable by Lessee to Lessor.
		
	ALTERATIONS AND ADDITIONS	  	13. Lessee shall not paint any brick or concrete walls, columns or ceilings, and Lessee shall not make or allow to be made any alterations, additions or improvements to or of the Premises or any
part thereof without the prior written consent of Lessor which shall not be unreasonably withheld and any alterations, additions or improvements to or of the Premises shall at once become a part of the realty and belong to the Lessor and shall be
surrendered with the Premises. If Lessor consents to the making of any alterations, additions or improvements to the Premises by Lessee, the same shall be made by Lessee at Lessee’s sole cost and expense. Upon termination of this Lease, Lessor,
at its sole option, and at Lessee’s sole cost and expense, may remove or require Lessee to remove certain alterations, additions, or improvements made by Lessee and repair any damage to the Premises caused by such removal, whether or not such
were made with Lessor’s approval. Notwithstanding any term or provision in this Lease to the contrary, any special air-conditioning, water cooling, electricity-generating or other special equipment installed in or about the Premises by Lessee,
however attached, shall be considered a trade fixture and the personal property of Lessee and may be removed by Lessee upon any termination of the Lease; provided that Lessee shall repair any damage caused by such removal.

  

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	REPAIRS	  	14. By entry hereunder, Lessee shall be deemed to have accepted the Premises as being in good, sanitary order, condition and repair and acknowledges that no representations or warranties as to
the conditions and repair thereof have been made by Lessor, or his agent other than those specifically set forth herein, if any, Lessee shall, at Lessor’s sole cost and expense, keep the Premises and every part thereof in good condition and
repair, as well as in a good tenantable and wholesome condition. Lessee will, as far as commercially reasonably possible, keep said improvements from deterioration due to ordinary wear and from falling temporarily out of repair. If Lessee does not
make repairs as required hereunder promptly and adequately, after at least five (5) days notice form Lessor, Lessor may, but need not make such repairs and pay the costs therefore and such costs shall be so much additional rent immediately due from
and payable by Lessee to Lessor. Lessee shall, upon the expiration or sooner termination of the Lease, deliver the Premises to the Lessor in a broom clean condition, ordinary wear and tear excepted. Any damage to adjacent premises caused by
Lessee’s use of the Premises shall be repaired at the sole cost and expense of Lessee. Lessor shall not be liable for any failure to make any repairs or to perform any maintenance. Lessee, at its sole option, shall carry such business
interruption insurance as it deems advisable. There shall be no abatement of rent and no liability of Lessor by reason of any injury to or interference with Lessee’s business arising from the making of any repairs, alterations or improvements
in or to any portion of the Building or the Premises or in or to fixtures, appurtenances and equipment therein. Lessee waives the right to make repairs at Lessor’s expense under any law, statute or ordinance now or hereafter in
effect.

  

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	HOLD HARMLESS	  	 15.
  
 a. Lessee hereby indemnifies and holds forever harmless Lessor (for the purpose of this section only, the term “Lessor” shall include, if Lessor is an Illinois land trust, the Trustee, its agents, its
beneficiary or beneficiaries and their agents, its beneficiary or beneficiaries and their respective directors, officers and employees, and any real estate broker involved in this transaction) from and against all liabilities, obligations, claims,
damages, penalties, causes of action, cost and expenses, including reasonable attorneys’ fees and expenses imposed upon or incurred by or asserted against Lessor by reason of (i) any accident, injury to or death or persons or loss of or damage
to property occurring on or about the leased premises or resulting from any act or omission of Lessee or anyone claiming by, through or under Lessee; (ii) any failure on the part of Lessee to perform or comply with any of the terms of this Lease; or
(iii) performance of any labor or services or the finishing of any materials or other property in respect of the leased premises or any part thereof against and from any and all claims, obligations, damages, penalties, causes of action, cost and
expenses imposed upon or incurred by Landlord arising from (i) Lessees’ use of the Premises or from the conduct of its business or from any activity, work or other things done, permitted or suffered by the Lessee in or about the Premises; or
(ii) any breach or default in the performance of any obligation on Lessee’s part to be performed under the terms of this Lease; or (iii) from any act or negligence of the Lessee, or any officer, agent, employee, guest, or invitee of Lessee; or
(iv) from all costs, attorney’s fees, and liabilities incurred in or about the defense of any such claim or any action or proceeding brought thereon and in case any action or proceeding be brought against Lessor by reason of such claim; or (v)
from performance of any labor or services or the finishing of any materials or other property in respect of the leases premises or any part thereof. Lessee, upon notice from Lessor, shall defend the same at Lessee’s expense. Lessee as a
material part of the consideration to Lessor hereby assumes all risk of damage to property or injury to persons in, upon or about the Premises, from any cause, except the negligence or willful acts of Lessor, and Lessee hereby waives all claims in
respect thereof against Lessee. Lessor and its officers, partners, agents, affiliates and employees shall not be liable for any loss or damage to person or property resulting from fire, explosion, falling plaster, steam, gas, electricity, sprinkler,
snow, ice, frost, excessive heat or cold, sewage, odors or noise, water or rain which may leak from any part of the Building or from the pipes, radiators, appliances or plumbing works therein or from the roof, street or subsurface or from any other
place resulting from dampness or any other cause whatsoever, nor shall they be liable for interference with the light, air or for any latent defect in the Premises. Lessee shall give prompt notice to Lessor in case of casualty or accidents in the
Premises. Lessor shall not be liable to supply heat, electric, water, or elevator service occasioned by the breaking down of machinery or equipment by strikes, accidents, unavoidable delays, or causes beyond the control of Lessor. In all events
Lessor’s liability shall be limited to its equity in the Building and any available insurance proceeds.
  
 b. Lessee will protect, indemnify and save harmless Lessor from and against all liabilities, obligations, claims, damages, penalties, causes of actions, costs and expenses, including reasonable attorneys’ fees
and expenses, of whatever kind of nature, contingent or otherwise, know or unknown, incurred or imposed, based upon any statute, regulation or common law of Federal, state, or local government, pertaining to health, safety or environment protection
and relating to, or resulting from, any environmental condition which is caused or contributed to by the use of occupancy of the leased premises by Lessee or any party claiming by, through or under Lessee. Lessor may conduct tests in and about the
leased premises for the purpose of determining the presence of any environmental condition. If such tests indicate the presence of an environmental condition of caused or contributed to, Lessee shall, in addition to its other obligations hereunder,
reimburse Lessor for the cost of conducting such test. The phrase “environmental condition” shall mean any adverse condition relating to surface water, ground water, drinking water supply, land, surface or pollutants, noise, vibration,
light and odors. In the event of any such environmental condition, Lessee shall promptly and at its sole cost and expense, take any and all steps necessary to rectify the same, or shall, at Lessor’s election, reimburse Lessor for the cost to
Lessor of performing rectifying work. The reimbursement shall be paid to Lessor in advance of Lessor performing such work. Based upon Lessor’s reasonable estimate of the cost thereof and upon completion of such work by Lessor, Lessee shall pay
to Lessor any shortfall promptly after Lessor bills Lessee therefore, or Lessor shall promptly refund to Lessee any excess deposit as the case may be. Lessor will protect, indemnify, defend and save harmless Lessee from and against all liabilities,
obligations, claims, damages, penalties, causes of actions, costs and expenses, including reasonable attorneys’ fees and expenses, of whatever kind of nature, contingent or otherwise, known or unknown, incurred or imposed, based upon any
statute, regulation or common law of Federal, state, or local government, pertaining to health, safety or environment protection and relating to, or resulting from, any environmental condition which exists on, in or under the Premises as of the date
of this Lease.
  
 c. In case any action, suit or proceeding is brought against Lessor by
reason of any occurrence described in this Section and for which Lessee is obligated to indemnify Lessor, Lessee will, at Lessee’s sole cost and expense, by counsel reasonably approved by Lessor, resist and defend such action, suit or
proceeding, or cause the same to be resisted and defended. The obligation of Lessee under this section shall survive the expiration of earlier termination of this Lease.

		
	SECURITY INTEREST	  	16. Intentionally Omitted.

  

 5 

			
	LIABILITY INSURANCE	  	17. Lessee, at Lessee’s expense, shall obtain and keep in force during the term of this Lease a policy of comprehensive public liability insurance satisfactory to Lessor insuring Lessor and
Lessee against any liability arising out of the ownership, use, occupancy or maintenance of the Premises and all areas appurtenant thereto. Such insurance shall be in the amount of not less than $2,000,000.00 for injury or death of one person in any
one accident or occurrence and in the amount of not less than $5,000,000.00 for injury or death of more than one person in any one accident or occurrence. Such insurance shall further insure Lessor and Lessee against liability for property damage of
at least $100,000.00. The limit of any such insurance shall not, however, limit the liability of the Lessee hereunder. Lessee may provide this insurance under a blanket policy, provided that said insurance shall have a Lessor’s protective
liability endorsement attached thereto. If Lessee shall fail to procure and maintain said insurance, Lessor may, but shall not be required to, procure and maintain same, but at the expense of Lessee. Lessee shall deliver to Lessor, prior to right of
entry, copies of policies of liability insurance required herein or certificates evidencing the existence and amounts of such insurance with loss payable clauses satisfactory to Lessor. No policy shall be cancelable or subject to reduction of
coverage without 30 days’ prior written notice to Lessor. All such policies shall be written as primary policies and not in contribution with and not in excess of coverage which Lessor may carry, and shall provide for payment of loss to Lessor
notwithstanding any act or negligence of Lessee which might otherwise result in forfeiture of said insurance.
		
	ENTRY BY LESSOR	  	18. Lessor reserves, and shall at any and all reasonable times with reasonable advance written notice have, the right to enter the Premises to inspect the same, to exhibit the Premises to
prospective purchasers or tenants, to post notices of non-responsibility, to repair the Premises and any portion of the Building of which the Premises are a part that Lessor may deem necessary or desirable, without abatement of rent or any
Additional Charges, and may for that purpose erect scaffolding and other necessary structures where reasonably required by character of the work to be performed. Provided that Lessor employs reasonable measures to minimize the disturbance to
Lessee’s business, Lessee hereby waives any claim for damages or for any injury or inconvenience to or interference with Lessee’s business, any loss of occupancy or quiet enjoyment of the Premises, and any other loss occasioned thereby.
For each of the aforesaid purposes, Lessor shall at all times have and retain a key with which to unlock all of the doors in, upon and about the Premises, excluding Lessee’s files, and Lessor shall have the right to use any and all means which
Lessor may deem proper to open said doors, in an emergency, in order to obtain entry to the Premises without liability to Lessee, except for any failure to exercise due care for Lessee’s property and any entry to the Premises obtained by Lessor
by any said means, or otherwise shall not under any circumstances be construed or deemed to be a forcible or unlawful entry into, or a detainer of the Premises, or any eviction of Lessee from the Premises or any portion thereof.
		
	ABANDONMENT AND RELETTING	  	19. If Lessee shall abandon or vacate the Premises, or if Lessee’s right to occupy the Premises be terminated by Lessor by reason of Lessee’s breach of any of the covenants herein, the
same may be relet by Lessor for such rent and upon such terms as Lessor may deem fit, subject to Illinois statute;; and if a sufficient sum shall not thus be realized monthly, after paying the expenses of such reletting and collecting to satisfy the
rent and Additional Charges hereby reserved, Lessee agrees to satisfy and pay all deficiency monthly during the remaining period of this Lease.
		
	 HOLDING
 OVER
	  	20. Lessee will, at the termination of this Lease by lapse of time or otherwise, yield up immediate possession to Lessor, and failing to do so, will pay as liquidated damages, for the whole time
such possession is withheld, one and a half times the monthly rent prorated on a per day basis. The provisions of this clause shall not be held as a waiver by Lessor of any right of re-entry as hereinafter set forth, nor shall the receipt of said
liquidated damages or any part thereof, or any other act in apparent affirmance of tenancy, operate as a waiver of the right to forfeit this Lease and the term hereby granted for the period still unexpired, for a breach of any of the covenants
herein.
		
	LESSEE’S DEFAULT	  	 21. The occurrence of any one or more of the following events shall constitute a default and breach of this Lease by Lessee.
  
 a. The vacating or abandonment of the Premises by Lessee.
  
 b. The failure by Lessee to make any payment of Rent or any other payment required to be made by
Lessee hereunder, as and when due, where such failure shall continue for a period of ten days after written notice thereof by Lessor to Lessee.
  
 c. The failure by Lessee to observe or perform any of the covenants, conditions or provisions of this Lease to be observed or performed by Lessee, other than Rent and
those provisions described in paragraph 3 above, where such failure shall continue for a period of thirty days after written notice hereof by Lessor to Lessee; provided, however, that if the nature of Lessee’s default is such that more than
thirty days are reasonably required for its cure, then Lessee shall not be deemed to be in default if Lessee commences such cure within such fourteen day period and thereafter diligently prosecutes such cure to completion.
  
 d. The making by Lessee of any general assignment or general assignment for the benefit of creditors
or the filing by or against Lessee of a petition to having Lessee adjudged a bankrupt, or a petition of reorganization or arrangement under any law relating to bankruptcy unless, in the case of a petition filed against Lessee, the same is dismissed
within 60 days; or the appointment of a trustee or a receiver to take possession of substantially all of Lessee’s assets located at the premises or of Lessee’s interest in the Lease where possession is not restored to Lessee within 60
days; or the attachment, execution or other judicial seizures of substantially all of Lessee’s assets located at the Premises or of Lessee’s interest in this Lease, where such seizure is not discharged within 30 days.

  

 6 

			
	REMEDIES IN DEFAULT	  	22. Lessor may at any time subsequent to a default or breach of this Lease terminate Lessee’s right to possession of the Premises without terminating the Lease, and Lessee shall immediately
surrender possession of the Premises to Lessor. Upon and after entry into possession without termination of this Lease, Lessor shall use reasonable efforts to relet the Premises or any part thereof for the account of Lease to any person, firm or
corporation other than Lessee, for such rent, and upon such terms as Lessor in Lessor’s sole discretion shall determine. Lessor shall not be required to accept any tenant offered by Lessee or to observe any instructions given by Lessee about
such reletting. Such termination or possession shall not relieve Lessee of its obligation to pay all rent and Additional Charges due under this Lease until the earlier of the expiration of the Lease term or the date upon which a substitute Lessee
commences paying rent in an amount equal to or greater than Lessee’s rent. In such event, Lessor shall be entitled to recover from Lessee all damages incurred by Lessor by reason of Lessee’s default including, the cost of recovering
possession of the Premises; expenses of reletting including necessary renovation and alteration of the Premises; expenses of removing any alterations, additions or improvements made by Lessee to the Premises and repairing any damage to the Premises
caused by such removal, whether or not such alterations, additions or improvements where approved by Lessor; reasonable attorney’s fees; the worth at the time of judgment by which the unpaid rent and other charges and Additional Charges called
for herein for the balance of the full term of the Lease exceeds the amount of such loss for the same period that Lessee proves could be reasonably avoided; and that portion of any leasing commission paid by Lessor and applicable to the unexpired
term of the Lease. Unpaid installments of rent or other sums shall bear interest from the date due at a rate equal to five percent over the prime rate of interest charged from time to time by Lessor’s principal financial institution. Upon the
election of the Lessor it shall pursue any other remedy or hereafter available to Lessor under the laws or judicial decisions in the State in which the Premises are located.
		
	NO SET OFF	  	23. Lessee’s covenant to pay rent is and shall be independent of each and every other covenant of this Lease. Lessee agrees that any claim by Lessee against Lessor shall not be deducted
from rent nor set off against any claim for rent in any action.
		
	PAYMENT OF COSTS	  	24. Lessee will pay and discharge all reasonable costs, attorney’s fees and expenses that shall be made and incurred by Lessor in enforcing the covenants and agreements of this
Lease.
		
	FIRE AND CASUALTY	  	25. In case the Premises shall be rendered untenantable during the term of this Lease by fire or other casualty, Lessor at its option may terminate this Lease or repair the Premises within 120
days thereafter. If Lessor elects to repair, this Lease shall remain in effect provided such repairs are completed within such time with rent abated to the extent the Premises are untenantable. If Lessor shall not have repaired the Premises within
said time, then at the end of such time the term hereby created shall terminate. If this Lease is terminated by reason of fire or casualty as herein specified, rent shall be apportioned and paid to the day of such fire or casualty.
		
	SUBORDINATION	  	26. This Lease is subordinate to all mortgages which may now or hereafter affect the Premises. The Lessee shall execute any Subordination Agreement requested by Lessor from time to time so long
as it does not give the Mortgagee the right to cancel this Lease if Lessee is not in default hereunder.
		
	WAIVER	  	27. The waiver by Lessor of any term, covenant or condition herein contained shall not be deemed to be a waiver of such term, covenant or condition or any subsequent breach of the same or any
other term, covenant or condition herein contained. The subsequent acceptance of Rent or Additional Charges hereunder by Lessor shall not be deemed to be a waiver of any preceding default by Lessee of any term, covenant or condition of this Lease,
other than the failure of the Lessee to pay the particular rental so accepted, regardless of Lessor’s knowledge of the acceptance of such Rent or Additional Charges. It is further agreed by the parties hereto, that after the service of notice,
or the commencement of a suit or after final judgment for possession of the Premises, Lessor may receive and collect any rent due, and the payment of said rent shall not waive or affect said notice, said suit, or said judgment.
		
	HEADINGS	  	28. The headings are not a part of this Lease and shall have no effect upon the construction or interpretation of any part hereof.
		
	TIME	  	29. Time is of the essence of this Lease and each and all of its provisions in which performance is a factor.
		
	SUCCESSORS AND ASSIGNS	  	30. The words “Lessor” and “Lessee” wherever herein occurring and used shall be construed to mean “Lessors” and “Lessees” in case more than one person
constitutes either party to this Lease and the covenants and conditions herein contained, subject to the provisions as to assignment, apply to and bind the heirs, successors, executors, administrators and permitted assigns of the parties hereto.

		
	PRIOR AGREEMENTS	  	31. This Lease contains all of the agreements of the parties hereto with respect to any matter covered or mentioned in this Lease, and no prior agreements or understanding pertaining to any such
matters shall be effective for any purpose. No provisions of this Lease may be amended or added to except by an agreement in writing signed by the parties hereto or their respective successors in interest.
		
	SEVERABILITY	  	32. Any provision of this Lease which shall prove to be invalid, void, or illegal shall in no way affect, impair or invalidate any other provision hereof and such other provisions shall remain
in full force and effect. This Lease and the obligations of the Lessee hereunder shall not be affected or impaired because the Lessor is unable to fulfill any of its obligations hereunder or is delayed in doing so. If such liability or delay is
caused by reason of strike, labor troubles, acts of God, or any other cause beyond the reasonable control of the Lessor.
		
	CUMULATIVE REMEDIES	  	33. No remedy or election hereunder shall be deemed exclusive but shall, wherever possible, be cumulative with all other remedies at law or in equity.
		
	CHOICE OF LAW	  	34. This Lease shall be governed by the laws of the State of Illinois. Lessee and Lessor hereby jointly consent to the jurisdiction of the State of Illinois.

  

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	SALE OF PREMISES BY LESSOR	  	35. In the event of any sale of the Building or the Premises by Lessor and provided that the option set forth in Section 8 shall continue to apply to the contract purchaser, Lessor shall be and
is hereby entirely freed and relieved of all liability under any and all of its covenants and obligations contained in or derived from this Lease arising out of any act, occurrence or omission occurring after the consummation of such sale; and the
purchaser, at such sale or any subsequent sale of the Building or the Premises shall be deemed, without any further agreement between the parties or their successors in interest or between the parties and any such purchaser, to have assumed and
agreed to carry out any and all of the covenants and obligations of the Lessor under this Lease.
		
	EMINENT DOMAIN	  	36. In the event that any portion of the Building is condemned, taken or appropriated by any public or quasi-public authority under governmental power of eminent domain, Lessor shall have the
right to cancel this Lease or continue this Lease with the rent abated to the extent of the square footage taken. In the event of any taking or appropriation whatsoever, Lessor shall be entitled to any and all awards and/or settlements. Lessee shall
have no claim against Lessor for the value of any unexpired term of this Lease, and Lessee hereby waives all right and claim against such proceeds.
		
	NOTICES	  	37. All notices and demands which may or are to be required or permitted to be given by either party on the other hereunder shall be in writing and shall be deemed given when personally
delivered or, five days after mailing by certified mail, postage prepaid, addressed to either party as set forth in the heading of this Lease, or the addresses set forth below, or as designated from time to time in notice pursuant to this paragraph.

		
	PARKING	  	38. If parking spaces are provided as set forth in the heading hereof, Lessee hereby assumes all risks relating to use of the parking lot and shall indemnify Lessor against any claims or damages
caused to Lessee or its property on or about the parking lot.
		
	ESTOPPEL LETTER	  	39. Lessee shall, within five business days of Lessor’s request, deliver to Lessor a letter from Lessee affirming the enforceability by Lessor of this Lease or identifying any defaults by
Lessor hereunder which might affect such enforceability.
		
	GUARANTY	  	40. Intentionally Omitted. 
		
	 FINANCIAL
 STATEMENTS
	  	41. Intentionally Omitted.
		
	AUTHORITY; BINDING EFFECT	  	42. Lessee represents and warrants to Lessor that, (i) Lessee is a Delaware corporation, duly organized, validly existing and in good standing under the laws of such state, and is in good
standing and validly authorized to do business in the state in which the Premises are located; (ii) Lessee has all requisite power, authority and legal right to enter into and perform this Lease, and (iii) the person executing this Lease has been
duly authorized by all necessary corporate action to execute this Lease on half of Lessee, and once executed by such person, shall be a binding and enforceable agreement upon Lessee, its successors and assigns. The person executing this Lease
represents and warrants to Lessor that he or she is the officer of Lessee they purport to be, and that they have been duly authorized to execute this Lease on behalf of Lessee.
		
	 SPECIAL
 CONDITIONS
	  	43. Lessor and Lessee acknowledge that, at the time of execution of this Lease, (i) the current record title owner of the Premises is Franklin Park, LLC (“Franklin”), (ii) the Premises
are currently leased to Masterform Tools, Inc. (“Masterform”) pursuant to a certain Commercial Lease dated November 18, 2002 with a term expiring on November 17, 2007 (the “Master Lease”), (iii) Masterform currently subleases
that portion of the Premises known as 9919-9923 Franklin Avenue to Lessee pursuant to a certain Industrial Building Lease dated December 4, 2003 with a term expiring on March 18, 2005 (the “Sublease”), (iv) Masterform, under the terms of
the Master Lease, holds an option to purchase the Premises from Franklin (the “Option”), and (v) Lessor does not yet own record title to the Premises or have any leasehold interest in the Premises. Lessor and Lessee further acknowledge
that, after the execution of this Lease, Masterform will be assigning its right, title and interest in the Option to Lessor, and Lessor will be exercising such Option. Therefore, Lessor and Lessee hereby agree Lessee’s right, title or interest
in and to the Premises pursuant to this Lease shall be contingent upon Lessor’s acquiring record title to the Premises pursuant to its exercise of the Option. As soon as practical after execution of this Lease and prior to Lessor’s
exercise of the Option, Lessor agrees to cause Masterform to execute, and Lessee agrees to also execute, an amendment to the Sublease extending the term of such Sublease until the earlier to occur of (A) Lessor acquires record title to the Premises
and the Commencement Date under this Lease is established, or (B) until 30 days after Lessor has provided written notice to Lessee that Lessor has determined (in its sole discretion) not to consummate the purchase of the Premises pursuant to the
Option. In the event Lessor shall notify Lessee of its election not to purchase the Premises, neither party hereto shall have any further obligation under this Lease.

 IN WITNESS WHEREOF, Lessor, Lessee and the Guarantors have executed this Lease, including any
exhibits or schedules attached hereto as of the day and year first above written. 
 LESSOR 
  

			
	BARTMANNS, PERALES & DOLTER, LLC
		
	By:	 	 /s/ Bob Bartmanns

	Title:	 	Manager

  

 8 

 LESSOR’S ACKNOWLEDGMENT 
  

					
	STATE OF Okla	 	)	 	
		 	)	 	ss.
	COUNTY OF Tulsa	 	)	 	

 This instrument was acknowledged before me on Dec. 30, 2004, by Bob Bartmanns as Manager of
BARTMANNS, PERALES & DOLTER, LLC, an Oklahoma limited liability company. 
  

									
		 	[Notary Seal]	 		 		 	/s/ Gloria J. Mitchell
		 	 		 		 	Notary Public

 My Commission Expires:
                                        
     
 Commission No.:
                                        
         
  

			
	LESSEE	 	LESSEE
		
	Name: RUBICON TECHNOLOGY, INC.	 	Name:
	Address: 9931 Franklin Avenue	 	Home Address:
		
	City, State, Zip: Franklin Park, IL 60131	 	City, State, Zip:
	Telephone: (847) 457-3610	 	Home Telephone:
		 	Signature:

  

			
	By:	 	 /s/ Joe Cox

	Name:	 	 Joe Cox IV

	Title:	 	President/ Vice President

 LESSEE’S ACKNOWLEDGMENT 
  

					
	STATE OF                     	 	)	 	
		 	)	 	ss.
	COUNTY OF                 	 	)	 	

 This instrument was acknowledged before me on Dec. 23, 2004, by Joe Cox as President / Vice
President of Rubicon Technology, Inc., a(n) corporation. 
  

									
		 		 		 		 	/s/ Scott Glickson
		 		 		 		 	Notary Public

 My Commission Expires:
                                        
     
 Commission No.:
                                        
                                        
                            [Notary Seal] 
  

 9

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