Promissory Note



 Exhibit 10.15 
 THIS NOTE HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF
THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY IN FORM, SCOPE AND SUBSTANCE TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED. 
 PROMISSORY NOTE 
  

					
	$100,000	 		  	 Dated as of September 18, 2007

		 		  	 New York, New York


 United Refining Energy Corp (the “Maker”) promises to pay to the order of United
Refining, Inc. or its registered assigns or successors in interest (the “Payee”), or order, the principal sum of One Hundred Thousand Dollars ($100,000) in lawful money of the United States of America, on the terms and conditions
described below. All payments on this Note shall be made by check or wire transfer of immediately available funds or as otherwise determined by the Maker to such account as the Payee may from time to time designate by written notice in accordance
with the provisions of this Note. 
 1. Principal. The principal balance of this Note shall be repayable on the earlier of (i) December 31,
2008 or (ii) the date on which Maker consummates an initial public offering of its securities. 
 2. Interest. No interest shall accrue on the
unpaid principal balance of this Note. 
 3. Application of Payments. All payments shall be applied first to payment in full of any costs incurred in
the collection of any sum due under this Note, including (without limitation) reasonable attorney’s fees, then to the payment in full of any late charges and finally to the reduction of the unpaid principal balance of this Note. 
 4. Events of Default. The following shall constitute Events of Default: 
 (a) Failure to Make Required Payments. Failure by Maker to pay the principal of this Note within five (5) business days following the date when due. 
 (b) Voluntary Bankruptcy, Etc. The commencement by Maker of a voluntary case under the Federal Bankruptcy Code, as now constituted or hereafter amended,
or any other applicable federal or state bankruptcy, insolvency, reorganization, rehabilitation or other similar law, or the consent by it to the appointment of or taking possession by a receiver, liquidator, assignee, trustee, custodian,
sequestrator (or other similar official) of Maker or for any substantial part of its property, or the making by it of any assignment for the benefit of creditors, or the failure of Maker generally to pay its debts as such debts become due, or the
taking of corporate action by Maker in furtherance of any of the foregoing. 







 (c) Involuntary Bankruptcy, Etc. The entry of a decree or order for relief by a court having jurisdiction
in the premises in respect of Maker in an involuntary case under the Federal Bankruptcy Code, as now or hereafter constituted, or any other applicable federal or state bankruptcy, insolvency or other similar law, or appointing a receiver,
liquidator, assignee, custodian, trustee, sequestrator (or similar official) of Maker or for any substantial part of its property, or ordering the winding-up or liquidation of its affairs, and the continuance of any such decree or order unstayed and
in effect for a period of 60 consecutive days. 
 5. Remedies. 
 (a) Upon the occurrence of an Event of Default specified in Section 4(a), Payee may, by written notice to Maker, declare this Note to be due and payable, whereupon the principal amount of this Note, and all other
amounts payable thereunder, shall become immediately due and payable without presentment, demand, protest or other notice of any kind, all of which are hereby expressly waived, anything contained herein or in the documents evidencing the same to the
contrary notwithstanding. 
 (b) Upon the occurrence of an Event of Default specified in Sections 4(b) and 4(c), the unpaid principal balance
of, and all other sums payable with regard to, this Note shall automatically and immediately become due and payable, in all cases without any action on the part of Payee. 
 6. Waivers. Maker and all endorsers and guarantors of, and sureties for, this Note waive presentment for payment, demand, notice of dishonor, protest, and notice of protest with regard to the Note, all errors,
defects and imperfections in any proceedings instituted by Payee under the terms of this Note, and all benefits that might accrue to Maker by virtue of any present or future laws exempting any property, real or personal, or any part of the proceeds
arising from any sale of any such property, from attachment, levy or sale under execution, or providing for any stay of execution, exemption from civil process, or extension of time for payment; and Maker agrees that any real estate that may be
levied upon pursuant to a judgment obtained by virtue hereof, on any writ of execution issued hereon, may be sold upon any such writ in whole or in part in any order desired by Payee. 
 7. Unconditional Liability. Maker hereby waives all notices in connection with the delivery, acceptance, performance, default, or enforcement of the payment of this Note, and agrees that its liability shall be
unconditional, without regard to the liability of any other party, and shall not be affected in any manner by any indulgence, extension of time, renewal, waiver or modification granted or consented to by Payee, and consents to any and all extensions
of time, renewals, waivers, or modifications that may be granted by Payee with respect to the payment or other provisions of this Note, and agree that additional makers, endorsers, guarantors, or sureties may become parties hereto without notice to
them or affecting their liability hereunder. 
  

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 8. Notices. Any notice called for hereunder shall be deemed properly given if (i) sent by certified mail,
return receipt requested, (ii) personally delivered, (iii) dispatched by any form of private or governmental express mail or delivery service providing receipted delivery or (iv) sent by telefacsimile or (v) to the following
addresses or to such other address as either party may designate by notice in accordance with this Section: 
 If to Maker: 
 United Refining Energy Corp 
 823 Eleventh Avenue 
 New York, New York 10019 
 Attn: John Castimatidis, Chairman and Chief
Executive Officer 
 If to Payee: 
 United Refining, Inc.

 823 Eleventh Avenue 
 New York, New York 10019 
 Attn: John Castimatidis 
 Notice shall be deemed given on the
earlier of (i) actual receipt by the receiving party, (ii) the date shown on a telefacsimile transmission confirmation, (iii) the date reflected on a signed delivery receipt, or (iv) two (2) Business Days following tender of
delivery or dispatch by express mail or delivery service. 
 9. Construction. THIS NOTE SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE
WITH THE DOMESTIC, INTERNAL LAW, BUT NOT THE LAW OF CONFLICT OF LAWS, OF THE STATE OF NEW YORK. 
 10. Severability. Any provision
contained in this Note which is prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions hereof, and any such
prohibition or unenforceability in any jurisdiction shall not invalidate or render unenforceable such provision in any other jurisdiction. 
  

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 IN WITNESS WHEREOF, Maker, intending to be legally bound hereby, has caused this Note to be duly executed by its Chief
Executive Officer the day and year first above written. 
  

			
	UNITED REFINING ENERGY CORP.
		
	By:	 	 /s/ John A. Catsimatidis

	Name:	 	John A. Catsimatidis
	Title:	 	Chief Executive Officer


  

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