Document:

Warrant Purchase Agreement b/w the Company, SPCP Group, L.L.C.&SPCP Group III

 EXHIBIT 10.16 

 WARRANT PURCHASE AGREEMENT 
 between

 U.S. ENERGY SYSTEMS, INC., 
 SPCP GROUP, L.L.C. 
 and 
 SPCP GROUP III LLC 
  

 Dated as of August 7, 2006 
  

  

 TABLE OF CONTENTS 
  

					
	 	  	Page
	ARTICLE 1 DEFINITIONS	  	1
	 1.1
	  	Definitions	  	1
	 1.2
	  	Rules of Construction	  	5
		
	ARTICLE 2 PURCHASE AND SALE OF WARRANTS	  	5
	 2.
	  	Purchase and Sale of Warrants	  	5
	 2.2
	  	Closing; Conditions to Purchase of Warrants	  	6
	 2.3
	  	Issuance of Additional Warrant	  	6
	 2.4
	  	Allocated Purchase Price	  	6
		
	ARTICLE 3 REPRESENTATIONS AND WARRANTIES	  	6
	 3.1
	  	Representations and Warranties of the Company	  	6
		
	ARTICLE 4 REGISTRATION RIGHTS	  	9
	 4.1
	  	Demand Registration Rights	  	9
	 4.2
	  	Piggyback Registrations	  	11
	 4.3
	  	Registration Procedures	  	13
	 4.4
	  	Registration Expenses	  	17
	 4.5
	  	Indemnification	  	18
	 4.6
	  	Participation in Underwritten Registrations	  	19
	 4.7
	  	Listing	  	20
	 4.8
	  	Rule 144	  	20
	 4.9
	  	Shareholder Approval	  	20
		
	ARTICLE 5 MISCELLANEOUS	  	20
	 5.1
	  	Survival of Representations and Warranties	  	20
	 5.2
	  	Real Property Holding Compan	  	20
	 5.3
	  	Notices	  	21
	 5.4
	  	Successors and Assigns	  	22
	 5.5
	  	Amendment and Waiver	  	22
	 5.6
	  	Counterparts	  	22
	 5.7
	  	Headings; Table of Contents	  	22
	 5.8
	  	Governing Law	  	22
	 5.9
	  	Waiver of Jury Trial	  	23
	 5.10
	  	Severability	  	23
	 5.11
	  	Entire Agreement	  	23

 EXHIBITS 
  

			
	 A
	  	Form of Series G Warrant
	 B
	  	Instrument of Accession

 WARRANT PURCHASE AGREEMENT 
 WARRANT PURCHASE AGREEMENT, dated as of August 7, 2006 (this “Agreement”), between U.S. ENERGY SYSTEMS, INC., a Delaware corporation (the “Company”), SPCP GROUP, L.L.C., a
Delaware limited liability corporation (“SPCP Group”), and SPCP GROUP III LLC, a Delaware limited liability corporation (“SPCP Group III”, collectively with SPCP Group, “Silver Point”). All
capitalized terms used herein which are not otherwise defined shall have the meaning assigned thereto in the Credit Agreement (as defined below). 
 WHEREAS, in connection with the execution and delivery of the Credit Agreement (as defined below), the Company will issue to SPCP Group and SPCP Group III warrants to purchase an aggregate of 4,488,780 shares of the common stock, par value
$0.01 per share, of the Company (the “Common Stock”) at a purchase price of $0.01 per share, pursuant to the terms and subject to the conditions of this Agreement. 
 WHEREAS, the Company shall issue to Purchaser additional Warrant(s) pursuant to this Agreement only upon the occurrence of an Event of Default, as
defined the Credit Agreement, under Section 8.1(l) of the Credit Agreement. 
 NOW, THEREFORE, in consideration of the mutual covenants
and agreements set forth herein and for good and valuable consideration, the receipt and adequacy of which is hereby acknowledged, the parties hereto agree as follows: 
 ARTICLE 1 
 DEFINITIONS 
 1.1 Definitions. As used in this Agreement the following terms have the meanings indicated: 
 “Affiliate” of, or a Person “Affiliated” with, a specified Person means any other Person directly or indirectly controlling, controlled by, or under common control with, that Person. For the purposes of
this definition, “control” (including, with correlative meanings, the terms “controlling,” “controlled by” and “under common control with”), as applied to any Person, means the possession, directly or
indirectly, of the power (i) to vote 5% or more of the securities having ordinary voting power for the election of directors of such Person, or (ii) to direct or cause the direction of the management and policies of that Person, whether
through the ownership of voting securities or by contract or otherwise. 
 “Agreement” shall have the meaning assigned to
such term in the preamble. 
 “Business Day” means any day that is not a Saturday or Sunday or a day on which banks are
required or permitted to be closed in the State of New York. 
 “Closing” shall have the meaning assigned to such term in
Section 2.2. 

 “Code” shall mean the Internal Revenue Code of 1986, as amended, and the rules and
regulations promulgated thereunder. 
 “Company” means U.S. Energy Systems, Inc., a Delaware corporation, and any successor
corporation. 
 “Common Stock” means the common stock, par value $0.01 per share, of the Company as constituted on the
Original Issue Date, and any capital stock into which such Common Stock may thereafter be changed, and shall also include (i) capital stock of the Company of any other class (regardless of how denominated) issued to the holders of shares of any
Common Stock upon any reclassification thereof which is also not preferred as to dividends or liquidation over any other class of stock of the Company and which is not subject to redemption and (ii) shares of common stock of any successor or
acquiring corporation received by or distributed to the holders of Common Stock of the Company in the circumstances contemplated by Section 4.6 of the Warrant. 
 “Contracts” means all agreements, contracts, leases and subleases, purchase orders, arrangements, commitments, non-governmental licenses, notes, bonds, mortgages, indentures or other obligations or
other understandings (whether written or oral) (including amendments and supplements, modifications and side letters or agreements). 
 “Credit Agreement” means that certain Credit and Guaranty Agreement, dated as of the date hereof, as amended, modified, supplemented or restated from time to time, by and among the Company, Overseas, the Lenders from time
to time party thereto, and Silver Point Finance LLC. 
 “Demanding Holder” shall have the meaning assigned to such term in
Section 4.1(b). 
 “Demand Registration” shall have the meaning assigned to such term in Section 4.1(b).

 “Dollar”, “Dollars” and the symbol “$” shall mean lawful money of the United States of
America. 
 “Exchange Act” means the Securities Exchange Act of 1934, as amended. 
 “Expiration Date” shall have the meaning ascribed to such term by the Warrants. 
 “Governmental Entity” means any federal, state, municipal, national or other government, governmental department, commission, board,
bureau, court, agency or instrumentality or political subdivision thereof or any entity or officer exercising executive, legislative, judicial, regulatory or administrative functions of or pertaining to any government or any court, in each case
whether associated with a state of the United States, the United States, or a foreign entity or government. 
  

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 “Holder” means with respect to any Warrant or share of Warrant Stock, as the case may
be, the Person in whose name the Warrant or Warrant Stock is registered on the books of the Company maintained for such purpose. 
 “Lien” means (i) any lien, mortgage, pledge, assignment, security interest, charge or encumbrance of any kind (including any agreement to give any of the foregoing, any conditional sale or other title retention
agreement, and any lease in the nature thereof) and any option, trust or other preferential arrangement having the practical effect of any of the foregoing, and (ii) in the case of Warrants and Warrant Stock, any purchase option, call or
similar right of a third party with respect to such Warrants and Warrant Stock. 
 “Majority Holder” means the Holder then
holding a Warrant or Warrants to acquire a majority of the Warrant Stock, and, if at the applicable time, there is no such Holder, then the Holder holding a Warrant or Warrants to acquire a plurality of the Warrant Stock, all as reflected in the
Company’s records. 
 “Material Adverse Effect” means any material adverse effect on (i) the Warrants and Warrant
Stock, (ii) the ability of the Company or Silver Point to perform their respective obligations under any Transaction Agreement, or (iii) the business operations, properties, assets, condition (financial or otherwise) or prospects of the
Company and its Subsidiaries taken as a whole. 
 “Maximum Number of Shares” shall have the meaning assigned to such term in
Section 4.1(e). 
 “Original Issue Date” means August 7, 2006, the date on which the Original Warrants were issued
by the Company pursuant to the Purchase Agreement. 
 “Original Warrants” means the Series G Warrants originally issued by
the Company pursuant to this Agreement. 
 “Overseas” means US Energy Overseas Investments LLC. 
 “Overseas Class B Units” shall have the meaning ascribed to such term by Section 3.1(c). 
 “Overseas Operating Agreement” means the amended and restated operating agreement of Overseas, as amended from time to time. 

“Person” means and includes natural persons, corporations, limited partnerships, general partnerships, limited liability companies,
limited liability partnerships, joint stock companies, Joint Ventures, associations, companies, trusts, banks, trust companies, land trusts, business trusts or other organizations, whether or not legal entities, and Governmental Entities.

 “Piggyback Registration” shall have the meaning assigned to such term in Section 4.2(a). 
  

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 “Prospectus” means the prospectus or prospectuses included in any Registration
Statement, as amended or supplemented by any prospectus supplement with respect to the terms of the offering of any portion of the Registrable Securities covered by such Registration Statement and by all other amendments and supplements to the
prospectus, including post-effective amendments and all material incorporated by reference in such prospectus or prospectuses. 
 “Registrable Securities” means the Common Stock of the Company owned by the Holders, whether owned on the date hereof or acquired hereafter pursuant to the exercise of the Warrants; provided, however,
Registrable Securities shall not include any securities sold by a Person to the public either pursuant to an effective Registration Statement or Rule 144. 
 “Registration Expenses” shall have the meaning assigned to such term in Section 4.4(a). 
 “Registration Statement” means any registration statement of the Company which covers any of the Registrable Securities pursuant to the provisions of this Agreement, including the Prospectus, amendments and supplements to
such Registration Statement, including post-effective amendments, all exhibits and all materials incorporated by reference in such Registration Statement. 
 “Requesting Holders” shall have the meaning assigned to such term in Section 4.1(a). 
 “Rights” means any restricted stock, restricted stock unit, option, warrant, convertible security, a type of award contemplated by the 2000 Plan or any other right to acquire Common Stock. 
 “SEC” means the Securities and Exchange Commission. 
 “Securities Act” means the Securities Act of 1933, as amended, and the rules and regulations of the SEC thereunder, all as the same shall be in effect at the time. 
 “Shareholder Approval” means the approval by the shareholders of the Company of the issuance of the Warrant Stock. 
 “Shelf Registration Statement” shall have the meaning assigned to such term in Section 4.1(a). 
 “Suspension Notice” shall have the meaning assigned to such term in Section 4.3(f). 
 “Transaction Agreements” means collectively, this Agreement and the Warrants. 
 “underwritten registration” or “underwritten offering” means a registration in which securities of the Company are sold
to underwriters for reoffering to the public. 
  

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 “Updates” shall have the meaning ascribed to such term by Section 2.3. 

“USRPHC” shall have the meaning ascribed to such term by Section 5.2. 
 “Warrants” means the Original Warrants and all Warrants issued upon transfer, division or combination of, or in substitution for, the
Original Warrants, or any other Warrant subsequently issued to the Holder pursuant to the Transaction Agreements. 
 “Warrant
Stock” means the shares of Common Stock issued, issuable or both (as the context may require) upon the exercise of Warrants. 
 1.2
Rules of Construction. 
 (a) Unless otherwise specified, references in this Agreement (or any of its Exhibits,
Annexes, Appendices or Schedules) to a Section, subsection or clause refer to such Section, subsection or clause as contained in this Agreement. The words “herein,” “hereof” and “hereunder” and other words of similar
import refer to this Agreement as a whole, including all Exhibits, Annexes, Appendices and Schedules, as the same may from time to time be amended, restated, modified or supplemented, and not to any particular section, subsection or clause contained
in this Agreement or any such Exhibit, Annex, Appendix or Schedule. Unless set forth specifically otherwise, all amounts referenced in the Transaction Agreements are in Dollars. 
 (b) Wherever from the context it appears appropriate, each term stated in either the singular or plural shall include the singular and the
plural, and pronouns stated in the masculine, feminine or neuter gender shall include the masculine, feminine and neuter genders. The words “including”, “includes” and “include” shall be deemed to be followed by the
words “without limitation”; the word “or” is not exclusive; references to Persons include their respective successors and assigns (to the extent and only to the extent permitted by the Transaction Agreements) or, in the case of
governmental Persons, Persons succeeding to the relevant functions of such Persons; and all references to statutes and related regulations shall include any amendments of the same and any successor statutes and regulations. 
 ARTICLE 2 
 PURCHASE AND SALE OF WARRANTS

 2.1 Purchase and Sale of Warrants. Subject to the terms and conditions herein set forth, the Company agrees that it will issue to
Silver Point, and Silver Point agrees that it will accept from the Company, on the Closing Date (as defined in the Credit Agreement), in consideration of the foregoing and the mutual agreements contained herein and in the Credit Agreement, the
Warrants to purchase shares of the Common Stock, with the Warrants being substantially in the form attached hereto as Exhibit A, appropriately completed in conformity herewith. SPCP Group will be issued a Warrant to purchase 3,366,585 shares of
Common Stock (subject to adjustment) and SPCP Group III will be issued a Warrant to purchase 1,122,195 shares of Common Stock (subject to adjustment). 
  

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 2.2 Closing; Conditions to Purchase of Warrants. The closing (the “Closing”) of
this Agreement shall be held at the offices of Skadden, Arps, Slate, Meagher & Flom LLP, Four Time Square, New York, New York, 10036 on the Closing Date. The Closing shall occur in accordance with the provisions of the Credit Agreement.

 2.3 Issuance of Additional Warrants. The Company shall execute, deliver and issue to SPCP Group an additional
Warrant to purchase 2,991,000 shares of Common Stock (subject to adjustment) and to SPCP Group III an additional Warrant to purchase 997,000 shares of Common Stock (subject to adjustment); in each case within 3 Business Days of the occurrence of an
Event of Default under Section 8.1(l) of the Credit Agreement without any requirement of notice or demand by or on behalf of Silver Point. The representations and warranties contained in Section 3.1 herein, including, but not limited to,
those related to the capitalization of the Company, shall be updated as necessary upon the date of issuance of any additional Warrants with such updates (the “Updates”) evidenced by a certificate of the Secretary of the Company
dated on the date of issuance of any additional Warrant. Notwithstanding anything contained herein to the contrary, for the purposes of Sections 4 and 10 of the Warrant, any additional Warrants shall be deemed to have been issued as of the Original
Issue Date and all adjustments and payments that would have been required to have been made or paid under the additional Warrants shall be so made or paid upon issuance thereof. 
 2.4 Allocated Purchase Price. The Company and the Purchaser hereby acknowledge that for the purposes of Section 1273(c)(2) of the Code, the
Warrants are a part of an investment unit with the loans to be made pursuant to the Credit Agreement and that the allocated purchase price of the Warrants for such purposes is $9,018,769.19. The Company and Silver Point agree to use the foregoing
allocated purchase price as the purchase price of the Warrants for all income tax purposes. 
 ARTICLE 3 
 REPRESENTATIONS AND WARRANTIES 
 3.1
Representations and Warranties of the Company. The Company hereby represents and warrants to Silver Point on the date hereof and, as updated by the Update, on the date of issuance of any additional Warrants, as follows: 
 (a) The Company is duly organized, validly existing and in good standing under the laws of its jurisdiction of formation or organization
and has the requisite corporate or similar power and authority to own and operate its properties and assets and to carry on its business as presently conducted. 

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 (b) The Company has the requisite corporate power and authority and has taken the
requisite corporate action, necessary in order to execute, deliver and perform its obligations under the Transaction Agreements. Each of the Transaction Agreements has been duly executed and delivered by the Company and each of the Transaction
Agreements (assuming due and valid authorization, execution and delivery hereof and thereof by the counterparties hereto and thereto) constitutes the valid and binding obligation of the Company and is enforceable against the Company, in accordance
with its respective terms, subject to bankruptcy, insolvency, fraudulent transfer, reorganization, moratorium and similar laws of general applicability relating to or affecting creditors’ rights and to general equity principles. 
 (c) The authorized capital stock of the Company consists of 50,000,000 shares of common stock, par value $0.01 per share (the
“Common Stock”), and 10,000,000 shares of preferred stock, par value $0.01 per share (the “Preferred Stock”), of which 1,138,888 shares have been designated Series A Convertible Preferred Stock (the “Series
A Preferred Stock”), 875 shares have been designated Series B Preferred Stock (the “Series B Preferred Stock”), 100,000 shares have been designated Series C Preferred Stock (the “Series C Preferred Stock”)
and 1,138,888 shares have been designated Series D Preferred Stock (the “Series D Preferred Stock”). There are no shares of any other class or series of stock authorized by the Company’s Certificate of Incorporation, as
amended. Upon issuance pursuant to the Overseas Operating Agreement, there will be 100 Class B Membership Units of Overseas (the “Overseas Class B Units”) issued and outstanding, which will be convertible into up to 1,900,000 shares of
Common Stock, and there will be warrants issued and outstanding to acquire 500,000 shares of Common Stock. As of the date hereof, there are 17,340,365 shares of Common Stock issued and outstanding and 445,930 shares of Common Stock held as treasury
stock. As of the date hereof and after giving effect to the issuance of the Warrants and the consummation of all the financing transactions contemplated by the Credit Agreement, there are no shares of Series A Preferred Stock outstanding, 365.907
shares of Series B Preferred Stock outstanding, 38,809 shares of Series C Preferred Stock, and no shares of Series D Preferred Stock outstanding. As of the date hereof, the outstanding Series B Preferred Stock is convertible into 100,940 shares of
Common Stock, the outstanding shares of Series C Preferred Stock are convertible into or exchangeable for up to 310,472 shares of Common Stock, without giving effect to the anti-dilution adjustments applicable to the Series C Preferred Stock.
Excluding the Rights set forth above and excluding the Warrants, any other warrants being issued in connection with the transactions contemplated by the Credit Agreement (including warrants issuable to Kenmont Special Opportunities Master Fund,
L.P., Credit Suisse Securities (USA) LLC and VTEX Energy, Inc.), and the consummation of all the financing transactions contemplated by the Credit Agreement, the Company has outstanding Rights to acquire approximately 8,703,273 shares of Common
Stock and such Rights are held in the amounts as set forth on Schedule 3.1(c), which also indicates the type or description of each such Rights held. The authorization, execution and delivery of the Transaction Agreements, and the performance by the
Company of its obligations under each Transaction Agreement, including the issuance of the Warrants in accordance with this Agreement or the issuance of Common Stock upon exercise of the Warrants in accordance with the terms thereof, and the
consummation of the other transactions contemplated by the Credit Agreement, including the issuance of any warrants under any agreement entered into in connection therewith, will not 

  

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result in or trigger any adjustment or modification of the rights of any holder of outstanding Rights (other than the holders of Series C Preferred Stock),
including without limitation any anti-dilution provisions relating to such securities. All of the outstanding shares of Common Stock and Preferred Stock are duly authorized, validly issued, fully paid and non-assessable. All Warrant Stock, when
issued in accordance with the terms of the Warrants and for the consideration contemplated thereby, which is not less per share than the par value thereof, will be duly authorized, validly issued fully paid and non-assessable. Except as set forth in
this Section or in Schedule 3.1(c), there are no existing (i) Rights, agreements, arrangements or commitments of any character obligating the Company to issue, transfer or sell any shares of capital stock or other equity interest in, the
Company or securities convertible into or exchangeable for such shares or equity interests; (ii) contractual obligations of the Company to repurchase, redeem or otherwise acquire any capital stock of the Company (except for any cashless
exercise provisions that are substantially similar to those set forth in the Warrant); or (iii) stockholder agreements, registration rights agreements, stock transfer restriction agreements (other than restrictions arising in connection with
the Securities Act), voting trusts or similar agreements to which the Company or, to the knowledge of the Company, any other person is a party with respect to Common Stock. 
 (d) Except as set forth in Schedule 3.1(d), neither the execution, delivery or performance of any Transaction Agreement by the Company,
nor the consummation by it of the obligations and transactions contemplated hereby or thereby (including, without limitation, the issuance, the reservation for issuance and the delivery of the Warrant Stock) requires any consent of, authorization
by, exemption from, filing with or notice to any governmental authority or any other Person, excluding the Company, any Holder or Silver Point, but including, without limitation, any stock exchange or quotation system on which the Common Stock is
listed or traded. 
 (e) Except to the extent that the Company is required to issue shares of Common Stock for less than the
par value thereof, the execution, delivery and performance of each Transaction Agreement and the consummation of the transactions contemplated hereby and thereby (including, without limitation, the issuance and reservation for issuance, as
applicable, of the Warrant Stock) will not (i) result in a violation of the certificate of incorporation or bylaws of the Company, in each case as amended, (ii) conflict with or result in the breach of the terms, conditions or provisions
of or constitute a default (or an event which with notice or lapse of time or both would become a default) under, or give rise to any right of termination, acceleration or cancellation under, any material Contract to which the Company or any
Subsidiary is a party, (iii) assuming the accuracy of the representations and warranties set forth in Section 3.1 of the Warrant , result in a violation of any law, rule, regulation, order, judgment or decree (including, without
limitation, U.S. federal and state securities laws and regulations) applicable to the Company or any Subsidiary or by which any property or asset of the Company or any Subsidiary is bound or affected, or (iv) result in the creation of any
material Lien upon any of their assets. 
 (f) Based solely upon the representations made by the Holders of the Warrants, the
offer and sale of the Warrants hereunder is exempt from the registration and prospectus delivery requirements of the Securities Act, and the rules and regulations thereunder. 
  

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 ARTICLE 4 
 REGISTRATION RIGHTS 
 4.1 Demand Registration Rights. 
 (a) Shelf Registration. At any time and from time to time before the Expiration Date, one or more Holders (the “Requesting
Holders”), which, together with their respective Affiliates, in the aggregate, owns or has the right to acquire at least 100,000 shares of Registrable Securities, may make a written request that the Company file a shelf registration
statement (a “Shelf Registration Statement”) pursuant to Rule 415 promulgated under the Securities Act providing for the sale by the Requesting Holders of all or part of the Registrable Securities owned or to be acquired by the
Requesting Holders. Requesting Holders may request more than one Shelf Registration Statement be filed pursuant hereto, but in each case prior to the Expiration Date. A majority-in-interest of the Requesting Holders may, at their option, request
that the Company file a Shelf Registration Statement using Form S-3, if such form is available for use by the Company. The Company shall use commercially reasonable efforts to file such Shelf Registration Statement at the earliest practicable date,
and use commercially reasonable efforts to have such Shelf Registration Statement thereafter declared effective by the SEC at the earliest practicable date. The Company agrees to use commercially reasonable efforts to keep a Shelf Registration
Statement continuously effective for the period beginning on the date on which a Shelf Registration Statement is declared effective until the earlier to occur of (i) three years after the date such Shelf Registration Statement initially is
declared effective by the SEC, (ii) the day after the date on which all of the Registrable Securities covered by a Shelf Registration Statement have been sold pursuant to a Shelf Registration Statement, (iii) the first date on which there
shall cease to be any Registrable Securities covered by such Shelf Registration Statement and (iv) two years after the Expiration Date. The Company further agrees, if necessary, to use commercially reasonable efforts to supplement or amend a
Shelf Registration Statement, if required by the rules, regulations or instructions applicable to the registration form used by the Company or by the Securities Act or by any other rules and regulations thereunder for shelf registration, and the
Company agrees to furnish to the Requesting Holders whose Common Stock is included in such Shelf Registration Statement copies of any such supplement or amendment promptly after its being issued or filed with the SEC. 
 (b) Non-Shelf Registration. At any time and from time to time before the Expiration Date, a Holder, which together with its
Affiliates, in the aggregate, owns or has the right to acquire at least 100,000 shares of Registrable Securities, may make a written demand for registration under the Securities Act of all or part of their Registrable Securities (a “Demand
Registration”). Any demand for a Demand Registration shall specify the number of 

  

 9 

 
shares of Registrable Securities proposed to be sold and the intended method(s) of distribution thereof. The Company shall give prompt written notice to all
holders of Registrable Securities of the demand, and each holder of Registrable Securities who wishes to include all or a portion of such holder’s Registrable Securities in the Demand Registration (each such holder including shares of
Registrable Securities in such registration, a “Demanding Holder”) shall so notify the Company within fifteen (15) days after the receipt by the holder of the notice from the Company. Upon any such request, the Demanding
Holders shall be entitled to have their Registrable Securities included in the Demand Registration. The Company shall not be obligated to effect more than an aggregate of three (3) Demand Registrations under this section in respect of
Registrable Securities. 
 (c) Effective Registration. A registration will not count as a Demand Registration until the
Registration Statement filed with the Commission with respect to such Demand Registration has been declared effective and the Company has complied in all material respects with all of its material obligations under this Agreement with respect
thereto, including, but not limited to, the registration procedures outlined in Sections 4.3 and 4.4; provided, however, that if, after such Registration Statement has been declared effective, the offering of Registrable Securities
pursuant to a Demand Registration is interfered with by any stop order or injunction of any Governmental Entity, the Registration Statement with respect to such Demand Registration will be deemed not to have been declared effective, unless and
until, (a) such stop order or injunction is removed, rescinded or otherwise terminated, and (b) a majority-in-interest of the Demanding Holders thereafter elect to continue the offering; provided, further, that the Company
shall not be obligated to file a second Registration Statement until a Registration Statement that has been filed is counted as a Demand Registration or is terminated. 
 (d) Underwritten Offering. If the majority-in-interest of the Demanding Holders so advise the Company as part of their written
demand for a Demand Registration, the offering of such Registrable Securities pursuant to such Demand Registration shall be in the form of an underwritten offering. If any Demand Registration is an underwritten offering, the Demanding Holders shall
have the right to select the managing underwriter or underwriters to administer any such offering. 
 (e) Priority of
Offering. If the managing underwriter or underwriters for a Demand Registration that is to be an underwritten offering advises the Company and the Demanding Holders in writing that the dollar amount or number of shares of Registrable Securities
that the Demanding Holders desire to sell, taken together with all other shares of Common Stock or other securities which the Company desires to sell and the shares of Common Stock, if any, as to which registration has been requested pursuant to
written contractual piggyback registration rights held by other stockholders of the Company who desire to sell, exceeds the maximum dollar amount or maximum number of shares that can be sold in such offering without adversely affecting the proposed
offering price, the timing, the distribution method, or the probability of success of such offering (such maximum dollar amount or maximum number of shares, as applicable, the “Maximum Number of Shares”), then the Company shall
include in such registration: (a) first, the Registrable Securities as to which Demand Registration has been requested by the Demanding Holders (pro rata in accordance 

  

 10 

 
with the number of shares of Registrable Securities which such Demanding Holder has requested be included in such registration, regardless of the number of
shares of Registrable Securities held by each Demanding Holder) that can be sold without exceeding the Maximum Number of Shares, (b) second, to the extent that the Maximum Number of Shares has not been reached under the foregoing clause (a),
the shares of Common Stock or other securities that the Company desires to sell that can be sold without exceeding the Maximum Number of Shares, and (c) third, to the extent that the Maximum Number of Shares has not been reached under the
foregoing clauses (a) and (b), any other shares of Common Stock. 
 (f) Withdrawal. If the Demanding Holders
disapprove of the terms of any underwriting or are not entitled to include all of their Registrable Securities requested to be included in any offering, any Demanding Holder may elect to withdraw from such offering by giving written notice to the
Company and the underwriter or underwriters of their request to withdraw prior to the effectiveness of the Registration Statement filed with the Commission with respect to such Demand Registration. If the majority-in-interest of the Demanding
Holders withdraws from a proposed offering relating to a Demand Registration because the Demanding Holders disapprove of the terms of any underwriting (but are otherwise entitled to include all of the Registrable Securities requested to be included
therein), then such registration shall not count as a Demand Registration if the Demanding Holders pay to the Company the reasonable fees and expenses incurred by the Company in connection therewith. If the majority-in-interest of the Demanding
Holders withdraws from a proposed offering relating to a Demand Registration because the Demanding Holders were not entitled to include all of the Registrable Securities requested to be included in the offering, then such registration shall not
count as a Demand Registration 
 4.2 Piggyback Registrations. 
 (a) Right to Piggyback. Whenever the Company proposes at any time before the second anniversary of the Expiration Date, to register
any of its common equity securities under the Securities Act (other than a registration statement on Form S-8 or on Form S-4 or any similar successor forms thereto), whether for its own account or for the account of one or more security holders of
the Company, and the registration form to be used may be used for any registration of Registrable Securities (a “Piggyback Registration”), the Company shall give prompt written notice (in any event within 10 days after its receipt
of notice of any exercise of other demand registration rights) to all Holders of its intention to effect such a registration and, subject to Sections 4.2(b) and 4.2(c), shall include in such registration all Registrable Securities with respect to
which the Company has received written requests for inclusion therein within 15 days after the receipt of the Company’s notice. The Company may postpone or withdraw the filing or the effectiveness of a Piggyback Registration at any time in its
sole discretion. The Company shall not grant Piggyback Registration rights with equal or higher priority than the rights granted in this Section 4.2. 
 (b) Priority on Primary Registrations. If a Piggyback Registration is an underwritten primary registration on behalf of the Company, and the managing underwriters advise the Company in writing that in their
opinion the number of securities requested to be included in such registration exceeds the number which can be sold in such offering and/or that 

  

 11 

 
the number of securities proposed to be included in any such registration would adversely affect the price per share of the Company’s equity securities
to be sold in such offering, the Company shall include in such registration (i) first, the securities the Company proposes to sell, (ii) second, other securities, including Registrable Securities, requested to be included in such
registration pro rata among (A) the holders of such securities who have been granted registration rights pursuant to (i) that certain Registration Rights Agreement dated as of May 22, 2006, as amended to date, between the Company and
VTEX Energy, Inc., (ii) that certain Registration Rights Agreement dated as of March 20, 1998, between the Company and Energy Systems Investors, LLC, (iii) that certain Warrant Purchase Agreement dated the date hereof between the
Company and Credit Suisse Securities (USA) LLC, and (iv) that certain Warrant Purchase Agreement dated the date hereof between the Company and Kenmont Special Opportunities Master Fund, L.P., and (B) the Holders, collectively, on the basis
of the number of securities requested to be registered by such holders, including the Holders, or as such holders, including the Holders, may otherwise agree, and (iii) third, other securities requested to be included in such registration.

 (c) Priority on Secondary Registrations. If a Piggyback Registration is an underwritten secondary registration on
behalf of a holder of the Company’s securities other than Registrable Securities pursuant to demand registration rights, and the managing underwriters advise the Company in writing that in their opinion the number of securities requested to be
included in such registration exceeds the number which can be sold in such offering and/or that the number of shares of Registrable Securities proposed to be included in any such registration would adversely affect the price per share of the
Company’s equity securities to be sold in such offering, the Company shall include in such registration (i) first, the securities requested to be included therein by the holders requesting such registration, pro rata among the holders of
such securities on the basis of the number of securities requested to be registered by such holders, and (ii) second, other securities, including Registrable Securities, requested to be included in such registration pro rata among (A) the
holders of such securities who have been granted registration rights pursuant to (i) that certain Registration Rights Agreement dated as of May 22, 2006, as amended to date, between the Company and VTEX Energy, Inc., (ii) that certain
Registration Rights Agreement dated as of March 20, 1998, between the Company and Energy Systems Investors, LLC, (iii) that certain Warrant Purchase Agreement dated the date hereof between the Company and Credit Suisse Securities (USA)
LLC, and (iv) that certain Warrant Purchase Agreement dated the date hereof between the Company and Kenmont Special Opportunities Master Fund, L.P., and (B) the Holders collectively, on the basis of the number of securities requested to be
registered by such holders, including the Holders, or as such holders, including the Holders, may otherwise agree and (iii) third, other securities requested to be included in such registration. 
 (d) Selection of Underwriters. If any Piggyback Registration is an underwritten primary offering, the Company shall have the right
to select the managing underwriter or underwriters to administer any such offering. 
  

 12 

 4.3 Registration Procedures. 
 (a) Whenever the Holders request that any Registrable Securities be registered pursuant to this Agreement, the Company shall use
commercially reasonable efforts to effect the registration and the sale of such Registrable Securities in accordance with the intended methods of disposition thereof, and pursuant thereto the Company shall as expeditiously as possible: 

(i) prepare and file with the SEC a Registration Statement with respect to such Registrable Securities (but in any event not later than
90 days after a request is received from the Requesting Holders or the Demanding Holders) and use commercially reasonable efforts to cause such Registration Statement to become effective as soon as practicable thereafter; and before filing a
Registration Statement or Prospectus or any amendments or supplements thereto, furnish to the Holders of Registrable Securities covered by such Registration Statement and the underwriter or underwriters, if any, copies of all such documents proposed
to be filed, including documents incorporated by reference in the Prospectus and, if requested by such Holders, the exhibits incorporated by reference, and such Holders shall have the opportunity to object to any information pertaining to such
Holders that is contained therein and the Company will make the corrections reasonably and promptly requested by such Holders with respect to such information prior to filing any Registration Statement or amendment thereto or any Prospectus or any
supplement thereto; provided that if the Board of Directors, in its good faith judgment, determines that any registration of Registrable Securities should not be made because of a potential corporate event involving a merger, acquisition,
disposition, joint venture or strategic allowance would be materially interfered with contrary the best interests of the Company and would not otherwise be required to be disclosed by law, the Company may postpone filing a registration statement
until such time as the material interference no longer exists, but in no event for more than 60 days in the aggregate in any twelve-month period; and the Company shall give written notice of its determination to postpone a registration statement and
when the reason for such postponement no longer exists, in each case, promptly after the occurrence thereof; 
 (ii) prepare
and file with the SEC such amendments and supplements to such Registration Statement and the Prospectus used in connection therewith as may be necessary to keep such Registration Statement effective, except as otherwise provided in
Section 4.1(a), or as contemplated by Section 4.2(a), for not more than six months after the effective date thereof and comply with the provisions of the Securities Act with respect to the disposition of all securities covered by such
Registration Statement during such period in accordance with the intended methods of disposition by the sellers thereof set forth in such Registration Statement; 
 (iii) furnish to each seller of Registrable Securities such number of copies of such Registration Statement, each amendment and supplement
thereto, the Prospectus included in such Registration Statement (including each preliminary Prospectus) and such other documents as such seller may reasonably request in order to facilitate the disposition of the Registrable Securities owned by such
seller; 
  

 13 

 (iv) use commercially reasonable efforts to register or qualify such Registrable
Securities under such other securities or blue sky laws of such jurisdictions as any seller reasonably requests and do any and all other acts and things which may be reasonably necessary or advisable to enable such seller to consummate the
disposition in such jurisdictions of the Registrable Securities owned by such seller (provided, that the Company will not be required to (i) qualify generally to do business in any jurisdiction where it would not otherwise be required to
qualify but for this subparagraph (iv), (ii) subject itself to taxation in any such jurisdiction, or (iii) consent to general service of process in any such jurisdiction); 
 (v) notify each seller of such Registrable Securities, at any time when a Prospectus relating thereto is required to be delivered under
the Securities Act, of the occurrence of any event as a result of which the Prospectus included in such Registration Statement contains an untrue statement of a material fact or omits any fact necessary to make the statements therein not misleading,
and, at the request of any such seller, the Company shall prepare a supplement or amendment to such Prospectus so that, as thereafter delivered to the purchasers of such Registrable Securities, such Prospectus shall not contain an untrue statement
of a material fact or omit to state any material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading; 
 (vi) in the case of an underwritten offering, enter into such customary agreements (including underwriting agreements in customary form)
and take all such other actions as the Holders of a majority of number of shares of the Registrable Securities being sold or the underwriters reasonably request in order to expedite or facilitate the disposition of such Registrable Securities
(including, without limitation, making members of senior management of the Company available to participate in, and cause them to cooperate with the underwriters in connection with, “road-show” and other customary marketing activities
(including one-on-one meetings with prospective purchasers of the Registrable Securities)) and cause to be delivered to the underwriters and the sellers, if any, opinions of counsel to the Company in customary form, covering such matters as are
customarily covered by opinions for an underwritten public offering as the underwriters may request and addressed to the underwriters and the sellers; 
 (vii) make available, for inspection by any seller of Registrable Securities, any underwriter participating in any disposition pursuant to such Registration Statement, and any attorney, accountant or other agent
retained by any such seller or underwriter, all financial and other records, pertinent corporate documents and properties of the Company, and cause the Company’s officers, directors, employees and independent accountants to supply all
information reasonably requested by any such seller, underwriter, attorney, accountant or agent in connection with such Registration Statement; 
 (viii) use commercially reasonable efforts to cause all such Registrable Securities to be listed on each securities exchange on which securities of the same class issued by the Company are then listed or, if no such
similar securities are then listed, on The Nasdaq Stock Market or a national securities exchange selected by the Company; 
 (ix) provide a transfer agent and registrar for all such Registrable Securities not later than the effective date of such Registration Statement; 
  

 14 

 (x) if requested, cause to be delivered, immediately prior to the effectiveness of the
Registration Statement (and, in the case of an underwritten offering, at the time of delivery of any Registrable Securities sold pursuant thereto), letters from the Company’s independent certified public accountants addressed to each selling
Holder (unless such selling Holder does not provide to such accountants the appropriate representation letter required by rules governing the accounting profession) and each underwriter, if any such letter is provided to any party in connection with
the offering, stating that such accountants are independent public accountants within the meaning of the Securities Act and the applicable rules and regulations adopted by the SEC thereunder, and otherwise in customary form and covering such
financial and accounting matters as are customarily covered by letters of the independent certified public accountants delivered in connection with primary or secondary underwritten public offerings, as the case may be; 
 (xi) make generally available to its stockholders a consolidated earnings statement (which need not be audited) for the 12 months
beginning after the effective date of a Registration Statement as soon as reasonably practicable after the end of such period, which earnings statement shall satisfy the requirements of an earning statement under Section 11(a) of the Securities
Act; and 
 (xii) promptly notify each seller of Registrable Securities and the underwriter or underwriters, if any:

  

	 	(1)	when the Registration Statement, any pre-effective amendment, the Prospectus or any Prospectus supplement or post-effective amendment to the Registration Statement has been filed
and, with respect to the Registration Statement or any post-effective amendment, when the same has become effective; 

  

	 	(2)	of any written request by the SEC for amendments or supplements to the Registration Statement or Prospectus; 

  

	 	(3)	of the notification to the Company by the SEC of its initiation of any proceeding with respect to the issuance by the SEC of any stop order suspending the effectiveness of the
Registration Statement; and 

  

	 	(4)	of the receipt by the Company of any notification with respect to the suspension of the qualification of any Registrable Securities for sale under the applicable securities or blue
sky laws of any jurisdiction. 

 (b) No Registration Statement (including any amendments or supplements thereto
and Prospectuses contained therein) shall contain any untrue statement of a material fact or omit to state a material fact required to be stated therein, or necessary to make the statements therein not misleading (except, with respect to any Holder,
for an untrue 

  

 15 

 
statement or alleged untrue statement of a material fact or omission or alleged omission of a material fact made in reliance on and in conformity with
written information furnished to the Company by or on behalf of such Holder specifically for use therein). 
 (c) The Company
shall make available to each Holder whose Registrable Securities are included in a Registration Statement (i) promptly after the same is prepared and publicly distributed, filed with the SEC, or received by the Company, one copy of each
Registration Statement and any amendment thereto, each preliminary Prospectus and Prospectus and each amendment or supplement thereto, each letter written by or on behalf of the Company to the SEC or the staff of the SEC (or other governmental
agency or self-regulatory body or other body having jurisdiction, including any domestic or foreign securities exchange), and each item of correspondence from the SEC or the staff of the SEC (or other governmental agency or self-regulatory body or
other body having jurisdiction, including any domestic or foreign securities exchange), in each case relating to such Registration Statement (other than any portion thereof which contains information for which the Company has sought confidential
treatment), and (ii) such number of copies of a Prospectus, including a preliminary Prospectus, and all amendments and supplements thereto and such other documents as such Holder may reasonably request in order to facilitate the disposition of
the Registrable Securities owned by such Holder. The Company will promptly notify each Holder by facsimile of the effectiveness of each Registration Statement or any post-effective amendment. The Company will promptly respond to any and all comments
received from the SEC, with a view towards causing each Registration Statement or any amendment thereto to be declared effective by the SEC as soon as practicable and shall file an acceleration request as soon as practicable following the resolution
or clearance of all SEC comments or, if applicable, following notification by the SEC that any such Registration Statement or any amendment thereto will not be subject to review. 
 (d) At all times after the Company has filed a registration statement with the SEC pursuant to the requirements of either the Securities
Act or the Exchange Act, the Company shall file all reports required to be filed by it under the Securities Act and the Exchange Act and the rules and regulations adopted by the SEC thereunder, and take such further action as any Holders may
reasonably request, all to the extent required to enable such Holders to be eligible to sell Registrable Securities pursuant to Rule 144 (or any similar rule then in effect). 
 (e) The Company may require each Holder, and each Holder hereby agrees, to furnish to the Company such information regarding the Holder as
the Company may from time to time reasonably request in writing in connection with the performance of the Company’s duties hereunder. The provision of such information shall be a condition precedent to the inclusion of such Holder’s
Registrable Securities in the applicable Registration Statement. 
 (f) Each seller of Registrable Securities agrees by having
its stock treated as Registrable Securities hereunder that, upon notice of the happening of any event as a result of which the Prospectus included in such Registration Statement contains an untrue statement of a material fact or omits any material
fact necessary to make the statements therein 

  

 16 

 
not misleading (a “Suspension Notice”), such seller will forthwith discontinue disposition of Registrable Securities for a reasonable length
of time not to exceed 60 days until such seller is advised in writing by the Company that the use of the Prospectus may be resumed and is furnished with a supplemented or amended Prospectus as contemplated by Section 4.3(e) hereof, and, if so
directed by the Company, such seller will deliver to the Company (at the Company’s expense) all copies, other than permanent file copies then in such seller’s possession, of the Prospectus covering such Registrable Securities current at
the time of receipt of such notice; provided, however, that such postponement of sales of Registrable Securities by the Holders, together with postponements of the filing of any registration statement, shall not exceed ninety
(90) days in the aggregate in any one year. If the Company shall give any notice to suspend the disposition of Registrable Securities pursuant to a Prospectus, the Company shall extend the period of time during which the Company is required to
maintain the Registration Statement effective pursuant to this Agreement by the number of days during the period from and including the date of the giving of such notice to and including the date such seller either is advised by the Company that the
use of the Prospectus may be resumed or receives the copies of the supplemented or amended Prospectus contemplated by Section 4.3(a)(v). In any event, the Company shall not be entitled to deliver more than two (2) Suspension Notices in any
one year. 
 4.4 Registration Expenses. 
 (a) All expenses incident to the Company’s performance of or compliance with this Article 4, including, without limitation, all registration and filing fees, fees and expenses of compliance with securities or
blue sky laws, listing application fees, printing expenses, transfer agent’s and registrar’s fees, cost of distributing Prospectuses in preliminary and final form as well as any supplements thereto, and fees and disbursements of counsel
for the Company and all independent certified public accountants and other Persons retained by the Company (all such expenses being herein called “Registration Expenses”) (but not including any underwriting discounts or commissions
attributable to the sale of Registrable Securities or fees and expenses of more than one counsel representing the Holders of Registrable Securities), shall be borne by the Company. In addition, the Company shall pay its internal expenses (including,
without limitation, all salaries and expenses of its officers and employees performing legal or accounting duties), the expense of any annual audit or quarterly review, the expense of any liability insurance and the expenses and fees for listing the
securities to be registered on each securities exchange on which they are to be listed. 
 (b) In connection with each
registration initiated hereunder, the Company shall reimburse the Holders covered by such registration or sale for the reasonable fees and disbursements of one law firm chosen by the Holders of a majority of the number of shares of Registrable
Securities included in such registration or sale. 
 (c) The obligation of the Company to bear the expenses described in
Section 4.4(a) and to reimburse the Holders for the expenses described in Section 4.4(b) shall apply irrespective of whether a registration, once properly demanded, if applicable, becomes effective, is withdrawn or suspended, is converted
to another form of registration and irrespective of when any of the foregoing shall occur; provided, however, that Registration 

  

 17 

 
Expenses for any Registration Statement withdrawn solely at the request of a Holder of Registrable Securities or any supplements or amendments to a
Registration Statement or Prospectus resulting from a misstatement furnished to the Company by a Holder shall be borne by such Holder. 
 4.5
Indemnification. 
 (a) In connection with any Registration Statement in which a Holder of Registrable Securities is
participating, the Company shall indemnify each Holder, its officers, directors and Affiliates and each Person who controls such Holder (within the meaning of the Securities Act) against all losses, claims, damages, liabilities and expenses arising
out of or based upon any untrue or alleged untrue statement of material fact contained in any Registration Statement, Prospectus or preliminary Prospectus or any amendment thereof or supplement thereto or any omission or alleged omission of a
material fact required to be stated therein or necessary to make the statements therein not misleading or any violation or alleged violation by the Company of the Securities Act, the Exchange Act or applicable “blue sky” laws, except
insofar as the same are made in reliance and in conformity with information relating to such Holder furnished in writing to the Company by such Holder expressly for use therein or caused by such Holder’s failure to deliver to such Holder’s
immediate purchaser a copy of the Prospectus or any amendments or supplements thereto (if the same was required by applicable law to be so delivered) after the Company has furnished such Holder with a sufficient number of copies of the same. In
connection with an underwritten offering, the Company shall indemnify such underwriters, their officers and directors and each Person who controls such underwriters (within the meaning of the Securities Act) to the same extent as provided above with
respect to the indemnification of the Holders. 
 (b) In connection with any Registration Statement in which a Holder of
Registrable Securities is participating, each such Holder shall furnish to the Company in writing such information as the Company reasonably requests for use in connection with any such Registration Statement or Prospectus and, shall indemnify, to
the fullest extent permitted by law, the Company, its officers, directors, Affiliates, and each Person who controls the Company (within the meaning of the Securities Act) against all losses, claims, damages, liabilities and expenses arising out of
or based upon any untrue or alleged untrue statement of material fact contained in the Registration Statement, Prospectus or preliminary Prospectus or any amendment thereof or supplement thereto or any omission or alleged omission of a material fact
required to be stated therein or necessary to make the statements therein not misleading, but only to the extent that the same are made in reliance and in conformity with information relating to such Holder furnished in writing to the Company by
such Holder expressly for use therein; provided, however, that the obligation to indemnify shall be several, not joint and several, among such Holders and the liability of each such Holder shall be in proportion to and limited to the net amount
received by such Holder from the sale of Registrable Securities pursuant to such Registration Statement. 
  

 18 

 (c) Any Person entitled to indemnification hereunder shall (i) give prompt written
notice to the indemnifying party of any claim with respect to which it seeks indemnification and (ii) unless in such indemnified party’s reasonable judgment a conflict of interest between such indemnified and indemnifying parties may exist
with respect to such claim, permit such indemnifying party to assume the defense of such claim with counsel reasonably satisfactory to the indemnified party. If such defense is assumed, the indemnifying party shall not be subject to any liability
for any settlement made by the indemnified party without its consent (but such consent will not be unreasonably withheld). An indemnifying party who is not entitled to, or elects not to, assume the defense of a claim shall not be obligated to pay
the fees and expenses of more than one counsel for all parties indemnified by such indemnifying party with respect to such claim, unless in the reasonable judgment of any indemnified party there may be one or more legal or equitable defenses
available to such indemnified party which are in addition to or may conflict with those available to another indemnified party with respect to such claim. Failure to give prompt written notice shall not release the indemnifying party from its
obligations hereunder. 
 (d) The indemnification provided for under this Agreement shall remain in full force and effect
regardless of any investigation made by or on behalf of the indemnified party or any officer, director or controlling Person of such indemnified party and shall survive the transfer of securities. 
 (e) If the indemnification provided for in or pursuant to this Section 4.5 is due in accordance with the terms hereof, but is held by
a court to be unavailable or unenforceable in respect of any losses, claims, damages, liabilities or expenses referred to herein, then each applicable indemnifying party, in lieu of indemnifying such indemnified party, shall contribute to the amount
paid or payable by such indemnified Person as a result of such losses, claims, damages, liabilities or expenses in such proportion as is appropriate to reflect the relative fault of the indemnifying party on the one hand and of the indemnified party
on the other in connection with the statements or omissions which result in such losses, claims, damages, liabilities or expenses as well as any other relevant equitable considerations. The relative fault of the indemnifying party on the one hand
and of the indemnified Person on the other shall be determined by reference to, among other things, whether the untrue or alleged untrue statement of a material fact or the omission or alleged omission to state a material fact relates to information
supplied by the indemnifying party or by the indemnified party, and by such party’s relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission. In no event shall the liability of any
selling Holder be greater in amount than the amount of net proceeds received by such Holder upon such sale or the amount for which such indemnifying party would have been obligated to pay by way of indemnification if the indemnification provided for
under Section 4.5(a) or 4.5(b) hereof had been available under the circumstances. 
 4.6 Participation in Underwritten
Registrations. No Person may participate in any registration hereunder which is underwritten unless such Person (a) agrees to sell such Person’s securities on the basis provided in any underwriting arrangements approved by the Person
or Persons entitled hereunder to approve such arrangements and (b) completes and executes all questionnaires, powers of attorney, indemnities, underwriting agreements and other documents required under the terms of such underwriting
arrangements. 
  

 19 

 4.7 Listing. Subject to receipt of the Shareholder Approval, from and after the Closing Date, the
Company covenants that it will use commercially reasonable efforts to effect and maintain the quotation of all the Warrant Stock on The Nasdaq Stock Market, or the primary stock exchange or quotation service upon which the Common Stock is then
traded, subject to official notice of issuance. 
 4.8 Rule 144. The Company covenants that it will file the reports required to be
filed by it under the Securities Act and the Exchange Act and the rules and regulations adopted by the SEC thereunder, and it will take such further action as any Holder may reasonably request to make available adequate current public information
with respect to the Company meeting the current public information requirements of Rule 144(c) under the Securities Act, to the extent required to enable such Holder to sell Registrable Securities without registration under the Securities Act within
the limitation of the exemptions provided by (i) Rule 144 under the Securities Act, as such Rule may be amended from time to time, or (ii) any similar rule or regulation hereafter adopted by the SEC. Upon the request of any Holder, the
Company will deliver to such Holder a written statement as to whether it has complied with such information and requirements. 
 4.9
Shareholder Approval. Unless the Company delivers to the Majority Holder a determination letter from The Nasdaq Stock Market that the Company has been relieved of the Shareholder Approval requirement, the Company covenants that it will use
its best efforts, including the solicitation of written consents in lieu of a meeting or the calling of a meeting of shareholders and distribution of a proxy or information statement and solicitation or proxies, as applicable, to obtain Shareholder
Approval either by action taken without a meeting by written consent of stockholders or at a meeting of stockholders, in either case on or before 90 days following the Original Issue Date; provided that the Company will have up to an additional 60
days to obtain the Shareholder Approval to the extent such additional days are necessary to resolve any issues arising during the SEC’s review of the Company’s shareholder solicitation materials, should such a review be conducted by the
SEC. Subject to compliance with applicable law, the Company may seek the Shareholder Approval, together with the approval of the issuance of additional shares of Common Stock, as one bundled proposal or in separate proposals, submitted to the
stockholders of the Company. 
 ARTICLE 5 
 MISCELLANEOUS 
 5.1 Survival of Representations and Warranties. All of the representations and warranties made herein shall
survive the execution and delivery of this Agreement, any investigation by or on behalf of the Holder, acceptance of the Warrants and payment therefor, exercise of the Warrants or termination of this Agreement. 
 5.2 Real Property Holding Company. The Company reasonably believes it is not a United States real property holding corporation (a
“USRPHC”) within the meaning of Section 897(c)(2) of the Internal Revenue Code. So long as any Holder that is a nonresident alien individual or foreign corporation (for federal income tax purposes) holds Warrants or 

  

 20 

 
Warrant Stock (which Warrants or Warrant Stock would not qualify for the exception for regularly traded stock and other interests in Section 897(c)(3)
and the regulations thereunder), the Company will use its reasonable best efforts to avoid becoming a USRPHC. Unless the Company believes in good faith that it may not validly do so, upon the request of such a Holder, the Company shall within 10
Business Days of such request, issue to such holder a statement as described in Treasury Regulations Section 1.897-2(h)(1). 
 5.3
Notices. All notices or other communications hereunder shall be deemed to have been duly given and made if in writing and if served by personal delivery upon the party for whom it is intended or by a national courier service, or if sent by
facsimile; provided that the facsimile is promptly confirmed by written confirmation by a national courier service thereof, to the person at the address set forth below, or such other address as may be designated in writing hereafter, in the same
manner, by such person: 
 If to the Holders or Silver Point, to: 
 Silver Point Capital 
 Two Greenwich Plaza

 Greenwich, CT 06830 
 Attn.:
Jennifer Poccia 
 Voice: (203) 542-4438 
 Email: jpoccia@silverpointcapital.com 
 Fax: (203) 542-4538 
 with a copy (which shall not constitute notice to the Holders), to: 
 Skadden, Arps, Slate, Meagher & Flom LLP 
 333 West Wacker Drive 
 Suite 2100 
 Chicago, IL 60606 
 Attn.: Sarah M. Ward 
  L. Byron Vance III 
 Voice: (312) 407-0700 
 Fax: (312) 407-0411 
 If to the Company, to: 
 U.S. Energy Systems, Inc. 
 545 Madison Ave., 6th Floor 
 New York, NY 10022 
 Attn.: Asher E. Fogel 
  Chief Executive Officer 
 Voice: (212) 588-8901 
 Fax: (212) 588-1635 
  

 21 

 with a copy (which shall not constitute notice to the Company), to: 
 Robinson Brog Leinwand Greene Genovese & Gluck P.C. 
 1345 Avenue of the Americas 
 New York, NY 10105 
 Attention: S. Asher Gaffney 
 Voice: (212)
603-6326 
 Fax: (212) 956-2164 
 Any notice given by overnight courier is effective upon receipt against the Person who receives it. 
 5.4 Successors and
Assigns. This Agreement shall inure to the benefit of and be binding upon the parties hereto and their respective permitted successors and assigns, including any permitted transferee of all or any portion of the Warrants or the Warrant Stock. No
transfer of any rights under this Agreement shall be permitted unless such transfer is in connection with the transfer of a Warrant representing the right to acquire Warrant Stock attributable to at least 2.5% of the Warrant Stock subject to the
Original Warrants and the transferee executes and delivers an Instrument of Accession in the form attached hereto as Exhibit B. 
 5.5
Amendment and Waiver. Any provision of this Agreement may be amended or waived if, and only if, such amendment or waiver is in writing and signed, in the case of an amendment, by the Company a majority-in-interest of the Holders, or in the
case of a waiver, by the party against whom the waiver is to be effective. No failure or delay by any party in exercising any right, power or privilege hereunder shall operate as a waiver thereof nor shall any single or partial exercise thereof
preclude any other or further exercise thereof or the exercise of any other right, power or privilege. 
 5.6 Counterparts. This
Agreement and any amendments hereto may be executed in one or more counterparts, each of which shall be deemed to be an original by the parties executing such counterpart, but all of which shall be considered one and the same instrument. 

5.7 Headings; Table of Contents. The section and paragraph headings and table of contents contained in this Agreement are for reference
purposes only and shall not in any way affect the meaning or interpretation of this Agreement. 
 5.8 Governing Law. IN ALL
RESPECTS, INCLUDING ALL MATTERS OF CONSTRUCTION, VALIDITY AND PERFORMANCE, THIS AGREEMENT SHALL BE GOVERNED BY, AND CONSTRUED AND ENFORCED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF DELAWARE WITHOUT REGARD TO CONFLICT OF LAW PRINCIPLES AND ANY
APPLICABLE LAWS OF THE UNITED STATES OF AMERICA. 
  

 22 

 5.9 Waiver of Jury Trial. THE PARTIES HERETO WAIVE ALL RIGHT TO TRIAL BY JURY IN ANY ACTION,
SUIT, OR PROCEEDING BROUGHT TO RESOLVE ANY DISPUTE, WHETHER SOUNDING IN CONTRACT, TORT OR OTHERWISE, BETWEEN THE COMPANY AND SILVER POINT ARISING OUT OF, CONNECTED WITH, RELATED TO, OR INCIDENTAL TO THE RELATIONSHIP ESTABLISHED AMONG THEM IN
CONNECTION WITH, THIS AGREEMENT OR ANY OF THE OTHER TRANSACTION AGREEMENTS OR THE TRANSACTIONS RELATED THERETO. 
 5.10
Severability. Wherever possible, each provision of this Agreement shall be interpreted in such a manner as to be effective and valid under applicable law, but if any provision of this Agreement shall be prohibited by or invalid under
applicable law, such provision shall be ineffective only to the extent of such prohibition or invalidity without invalidating the remainder of such provision or the remaining provisions of this Agreement. 
 5.11 Entire Agreement. The Transaction Agreements constitute the complete agreement between the parties with respect to the subject matter
thereof. 
  

 23 

 IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed and delivered by their
respective officers hereunto duly authorized as of the date first above written. 
  

			
	U.S. ENERGY SYSTEMS, INC.
		
	By	 	  
		 	Name:
		 	Title:
	
	SPCP GROUP, L.L.C.
		
	By	 	  
		 	Name:
		 	Title:
	
	SPCP GROUP III LLC
		
	By	 	  
		 	Name:
		 	Title:Form of 2007 Subscription Agreement to purchase common stock of the Company

 EXHIBIT 10.17 
 FORM OF 
 U.S. ENERGY SYSTEMS, INC. 
 SUBSCRIPTION AGREEMENT 
 SUBSCRIBER: 
  

			
	SECURITIES SUBSCRIBED FOR:	 	Common Stock, $0.01 par value per share
		
	AGGREGATE PURCHASE PRICE:	 	$

 This SUBSCRIPTION AGREEMENT (this “Agreement”), is dated as of
                         , 2007, by and between U.S. Energy Systems, Inc., a Delaware corporation (the
“Company”), and                             , a
                            (the “Investor”). 
 WITNESSETH: 
 The Company desires to sell,
and the Investor desires to buy,                             shares the Company’s Common Stock,
par value $0.01 per share (the “Common Stock”), for an aggregate purchase price equal to $            . 
 The Company is described in the Company’s Annual Report on Form 10-K for the fiscal year ended
                            , Quarterly Reports on Form 10-Q for the quarters ended
                            , and Current Reports on Form 8-K dated
                            , and any other reports filed (not furnished) with the Securities and
Exchange Commission (the “Commission”) after the date of this Agreement (collectively, the “Reports”). 
 NOW, THEREFORE,
the parties hereto agree as follows: 
 1. SUBSCRIPTION AND PAYMENT. 
 (a) Subject to the terms and conditions set forth herein, the Investor hereby subscribes for the
                            shares of Common Stock. The Investor acknowledges that this subscription
shall not be effective until accepted by the Company. 
 (b) The Investor agrees to deliver to the Company at the Closing (as defined below)
by wire transfer to an account designated by the Company the aggregate purchase price of $            (the “Purchase Price”), payable in immediately available funds, for
the Common Stock subscribed for hereby. 
 2. CLOSING. The closing (the “Closing”) of the purchase and sale of the Common
Stock subscribed for hereby (the “Offering”) shall occur on                             ,
2007 or the earliest date thereafter on which the closing conditions specified in Sections 8 and 9 of this Agreement shall have been satisfied or waived (any such date, the “Closing Date”); provided, however, that if the Closing has not
occurred by                             , 2007, then this Agreement shall terminate and the Closing
shall not take place. 
  

 (a) At the Closing, the Company will deliver to the Investor: 
  

	 	(i)	one executed copy of this Agreement; 

  

	 	(ii)	a stock certificate representing the Investor’s ownership of the Common Stock subscribed for hereby; and 

  

	 	(iii)	an executed Warrant in the form attached hereto as Exhibit A (the “Warrant”). 

 (b) At the Closing, the Investor will deliver to the Company: 
  

	 	(i)	the Purchase Price; and 

  

	 	(ii)	an executed Warrant. 

 3. TERMINATION OF OFFERING.
The Investor understands and agrees that it will not be entitled to exercise the rights of a stockholder of the Company until an appropriate certificate representing the Common Stock for which it has subscribed has been issued to it on the Closing
Date. If (a) the Company shall have reasonably determined that an event has occurred or a condition exists which could materially and adversely affect the business or proposed business of the Company and that such possibility warrants
termination of the Offering, (b) the conditions to the Closing of the Offering are not satisfied or (c) the Company elects to terminate the Offering, the Offering will be terminated, and the Company will not issue the Common Stock and the
Company will not be entitled to payment of the Purchase Price. 
 4. REPRESENTATIONS AND WARRANTIES OF THE INVESTOR. The Investor
hereby represents and warrants to the Company that: 
 (a) it is an “accredited investor” as that term is defined in Rule 501(a)
under the Securities Act of 1933, as amended (the “Act”); 
 (b) it has the requisite knowledge and experience in financial and
business matters to be capable of evaluating the merits and risks of an investment in the Company; 
 (c) it has received and read the
Reports and has evaluated the risks of investing in the Company; 
 (d) it has been given the opportunity to ask questions of, and receive
answers from, the Company concerning the terms and conditions of the Offering and to obtain additional information necessary to verify the accuracy of the information contained in the Reports or such other information as it desired in order to
evaluate its investment; 
 (e) in making the decision to purchase the Common Stock herein subscribed for, it has relied solely upon the
Reports, the representations, warranties, agreements, undertakings and acknowledgments of the Company in this Agreement and its own independent investigations; 
 (f) it understands that an investment in the Company involves certain risks and the Investor has taken full cognizance of and understands such risks, including those set forth in the Reports; 
 (g) it understands that the shares of Common Stock have not been registered under the Act, and agrees that the Common Stock may not be sold, offered for
sale, transferred, pledged, hypothecated or otherwise disposed of except in compliance with the Act and subject to the terms of this Agreement; 
  

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 (h) it understands that no federal or state agency has made any finding or determination as to the
fairness of the investment in, or any recommendation or endorsement of, the Common Stock; 
 (i) the Common Stock herein subscribed for is
being acquired by the Investor in good faith solely for the account of the Investor, for investment purposes and not with a view to subdivision, distribution or resale. 
 (j) it will not sell or otherwise dispose of any shares of the Common Stock unless: 
 (i) the
Investor shall have advised the Company in writing that it intends to dispose of such shares of Common Stock in a manner to be described in such advice, and counsel reasonably acceptable to the Company and its respective counsel shall have delivered
to the Company an opinion reasonably acceptable to the Company and its respective counsel that registration is not required under the Act or under any applicable securities laws of any jurisdiction; or 
 (ii) a registration statement on an appropriate form under the Act, or a post-effective amendment to such registration statement, covering
the proposed sale or other disposition of such shares of Common Stock shall be in effect under the Act and such shares of Common Stock or the proposed sale or other disposition thereof shall have been registered or qualified under applicable
securities laws of any jurisdiction; 
 (k) it acknowledges and agrees that the certificate representing the Common Stock shall bear the
following legend (unless subsequently registered under the Act): 
 “THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN
REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR APPLICABLE STATE SECURITIES LAWS AND MAY NOT BE SOLD OR TRANSFERRED UNLESS A REGISTRATION STATEMENT COVERING SUCH SHARES IS EFFECTIVE UNDER THE ACT OR THE TRANSACTION
IS EXEMPT FROM REGISTRATION UNDER THE ACT AND APPLICABLE STATE SECURITIES LAWS.” 
 (l) it acknowledges that the Company may place a
stop transfer order against transfer of the Common Stock, if necessary in the Company’s reasonable judgment, in order to assure compliance by the Investor with the terms of this Agreement; 
 (m) (i) the individual executing this Agreement has appropriate authority to act on behalf of the Investor and (ii) the Investor is not an
Investment Company, as defined under the Investment Company Act of 1940, as amended; 
 (n) this Agreement has been duly executed and
delivered by or on behalf of the Investor and constitutes the valid and binding agreement of the Investor, enforceable against the Investor in accordance with its terms; and 
 (o) it understands that the Common Stock is being offered and sold hereby in reliance on specific exemptions from the registration requirements of the
Act and that the Company is relying on the foregoing representations, warranties, agreements, undertakings and acknowledgments in determining the availability of such exemptions and the Investor’s suitability as the purchaser of the Common
Stock. 
  

 3 

 5. REPRESENTATIONS AND WARRANTIES OF THE COMPANY. The Company represents and warrants to the
Investor that: 
 (a) The Company has filed with the Commission all reports required to be filed by it by the Securities Exchange Act of 1934,
as amended (the “Exchange Act”). The Company has furnished to the Investor a true and correct copy of each Report. Each Report did not, as of the date on which it was signed, contain any untrue statement of a material fact or omit to state
a material fact necessary in order to make the statements therein, in light of the circumstances under which they were made, not misleading. 
 (b) The financial statements (including the related notes) of the Company included in the Reports present fairly the financial position of the Company as of the dates indicated and its results of operations for the periods specified
therein. All such financial statements have been prepared in accordance with generally accepted accounting principles on a basis consistently applied. 
 (c) The Company has been duly organized and is validly existing as a corporation in good standing under the laws of the State of Delaware, with full power and authority (corporate and other) to own its properties and
conduct its business as described in the Reports, and is duly qualified to do business as a foreign corporation and is in good standing in each jurisdiction in which the character of the business conducted by it or the location of the properties
owned or leased by it makes such qualification necessary for the conduct of its business as described in the Reports except where the failure to be so qualified would not have a material adverse effect on the Company. 
 (d) The authorized capital stock of the Company consists of (i) 75,000,000 shares of Common Stock of which
                            shares are outstanding, and 10,000,000 shares of preferred stock, par
value $0.01 per share (the “Preferred Stock”), of which 1,138,888 shares have been designated Series A Convertible Preferred Stock (the “Series A Preferred Stock”), 875 shares have been designated Series B Preferred Stock (the
“Series B Preferred Stock”), 100,000 shares have been designated Series C Preferred Stock (the “Series C Preferred Stock”) and 1,138,888 shares have been designated Series D Preferred Stock (the “Series D Preferred
Stock”). There are no shares of any other class or series of stock authorized by the Company’s Amended and Restated Certificate of Incorporation, as amended. As of the date hereof, there are
                            shares of Series A Preferred Stock outstanding,
                            shares of Series B Preferred Stock outstanding,
                            shares of Series C Preferred Stock, and
                            shares of Series D Preferred Stock outstanding. As of the date hereof, the
outstanding Series B Preferred Stock is convertible into                             shares of Common
Stock, the outstanding shares of Series C Preferred Stock are convertible into or exchangeable for up to
                            shares of Common Stock, without giving effect to the anti-dilution
adjustments applicable to the Series C Preferred Stock. As of the date hereof, there are outstanding options, warrants and convertible debentures exercisable for or convertible into a total of
                            shares of Common Stock. 
 (e) The Company has all requisite power and authority to issue, sell and deliver the Common Stock in accordance with and upon the terms and conditions
set forth in this Agreement; and all corporate action required to be taken by the Company for the due and proper authorization, issuance, sale and delivery of the Common Stock has been validly and sufficiently taken. The outstanding shares of Common
Stock will be, when issued, duly authorized, validly issued, fully paid and nonassessable. 
 (f) Except as set forth in this Agreement, or
as described in the Reports, subsequent to the respective dates as of which information is given in the Reports, the Company has not incurred any material liability or obligation, direct or contingent, or entered into any material transaction
(except for the transactions contemplated hereby), whether or not in the ordinary course of business, and there has not been any material change on a consolidated basis in the capital stock, or any material increase in the short-term debt or
long-term debt, or any material adverse change in the condition (financial or other), business, key personnel, properties or results of operations of the Company. 
  

 4 

 (g) The Company is not in violation of any material provision of its Amended and Restated Certificate of
Incorporation or Bylaws, each as amended to date, or in default in the performance of any material obligation contained in any material agreement, indenture or other instrument. The performance by the Company of its obligations under this Agreement
and the consummation of the transactions herein contemplated will not conflict with or result in a breach of the Amended and Restated Certificate of Incorporation or Bylaws of the Company, or any material agreement, indenture or other instrument to
which the Company is a party or by which it is bound, or (assuming the accuracy of the Investor’s representations and warranties herein) any law, rule, administrative regulation or decree of any court or governmental authority having
jurisdiction over the Company or its properties, or result in the creation or imposition of any material lien, charge, claim or encumbrance upon any property or asset of the Company. Except as required by the Act and applicable state securities or
blue sky laws, no consent, approval, authorization or order of any court or governmental authority is required in connection with the consummation of the transactions contemplated by this Agreement. 
 (h) Except as described in the Reports, there are no preemptive rights or other rights to subscribe for or to purchase, or any restriction upon the
voting or transfer of, any shares of Common Stock pursuant to the Company’s Amended and Restated Certificate of Incorporation or Bylaws, each as amended to date, or any agreement or other instrument to which the Company is a party. Neither the
Offering nor the sale of the Common Stock as contemplated in this Agreement gives rise to any rights for or relating to the registration of any shares of Common Stock (other than as provided in Section 10 of this Agreement). 
 (i) The Company has requisite corporate power and authority to enter into this Agreement and this Agreement has been duly authorized, executed and
delivered by the Company and (assuming the accuracy of the Investor’s representations and warranties herein) constitutes the legal, valid and binding agreement of the Company enforceable against the Company in accordance with its terms (except
in all cases as such enforceability may be limited by applicable bankruptcy, insolvency, reorganization, moratorium, or similar laws affecting the enforcement of creditors’ rights generally and except that the availability of the equitable
remedy of specific performance or injunctive relief is subject to the discretion of the court before which any proceeding may be brought). 
 (j) Except as set forth in the Reports, there are no actions, suits or proceedings pending before or by any court or governmental agency or authority, or any arbitrator, which seek to restrain or prohibit the consummation of the
transactions contemplated hereby or which might reasonably be expected to result in any material adverse change in the condition (financial or other), business or results of operations of the Company and, to the best of the Company’s knowledge,
no such action, suit or proceeding has been threatened. 
 (k) The Company is not in violation of any law, ordinance, governmental rule or
regulation or court decree to which it may be subject and the Company has not failed to obtain any license, permit, franchise or other governmental authorization necessary to the ownership of its property or to the conduct of its business, which
violation or failure to obtain is likely to have a material adverse effect on the condition (financial or other), business or results of operations of the Company. 
 6. COVENANTS OF THE INVESTOR. The Investor covenants with the Company that: 
 (a) The Investor will
not engage in any activity that would jeopardize the status of the Offering as an exempt transaction under the Act or under the laws of any state in which the Offering is made. 
  

 5 

 (b) The Investor acknowledges that the representations, warranties, agreements, undertakings and
acknowledgments are made by the Investor with the intent that they be relied upon by the Company in determining whether to issue the Common Stock. 
 7. COVENANTS OF THE COMPANY. The Company covenants with the Investor that: 
 (a) Neither the Company nor any of its officers,
directors or employees will engage in any activity that would jeopardize the status of the Offering as an exempt transaction under the Act or under the laws of any state in which the offering is made. 
 (b) The Company acknowledges that the representations, warranties, agreements, undertakings and acknowledgments are made by the Company with the intent
that they be relied upon by the Investor in determining whether to subscribe for the Common Stock. 
 (c) The Company shall issue the
Investor a Warrant to acquire                              shares of the Company’s Common Stock
at the Closing, in the form of Exhibit A hereto. 
 8. CONDITIONS OF OBLIGATIONS OF THE INVESTOR. The Investor’s
obligations under this Agreement are subject to the accuracy of the representations and warranties of the Company made in Section 5 hereof in all material respects, and to the performance by the Company of its other obligations under this
Agreement to be performed at or prior to the Closing. 
 9. CONDITIONS OF OBLIGATIONS OF THE COMPANY. The Company’s obligations
under this Agreement are subject to the accuracy of the representations and warranties of the Investor made in Section 4 hereof in all material respects, and to the performance by the Investor of its other obligations under this Agreement to be
performed at or prior to the Closing. 
 10. RULE 144. The Company covenants that it will file the reports required to be filed by it
under the Act and the Exchange Act and the rules and regulations adopted by the Commission thereunder (or, if it ceases to be required to file such reports, it will, upon the request of the Investor, make publicly available other information that
fulfills the information requirements set forth in Rule 144(c)(2)), and it will take such further action as the Investor may reasonably request, all to the extent required from time to time to enable the Investor to sell the Common Stock without
registration under the Act within the limitation of the exemptions provided by (a) Rule 144 under the Act, as such Rule may be amended from time to time, or (b) any similar rule or regulation hereafter adopted by the Commission. Upon the
request of the Investor, the Company will deliver to it a written statement as to whether the Company has complied with such information disclosure and other requirements. 
 11. INDEMNIFICATION. The Company agrees to indemnify and hold harmless the Investor from and against any and all losses, claims, damages and
liabilities (including, without limitation, any legal or other expenses reasonably incurred in connection with defending or investigating any such action or claim) caused by any untrue statement or alleged untrue statement of a material fact
contained in the Reports (as amended or supplemented if the Company shall have furnished any amendments or supplements thereto), or caused by any omission or alleged omission to state therein a material fact necessary to make the statements therein
in the light of the circumstances under which they were made not misleading. 
  

 6 

 12. EXPENSES. The Company agrees that it will pay the Investor’s reasonable legal and other
expenses incurred in connection with this Offering. 
 13. NOTICES. 
 (a) Any notice required to be given or delivered to the Investor shall be mailed first class, postage prepaid, return receipt requested, to the
Investor’s address shown on the signature page hereof. 
 (b) Any notice required
to be given or delivered to the Company shall be mailed first class, postage prepaid, return receipt requested, to U.S. Energy Systems, Inc., 750 Lexington Avenue, 15th Floor, New York, NY 10022. 
 14. GOVERNING
LAW. The corporate law of the State of Delaware shall govern all issues and questions concerning the relative rights and obligations of the Company and its stockholders. All other issues and questions concerning the construction, validity,
enforcement and interpretation of this Agreement shall be construed in accordance with and governed by the laws of the State of New York, without giving effect to any choice of law or conflict of law rules or provisions (whether of the State of New
York or any other jurisdiction) that would cause the application of the laws of any jurisdiction other than the State of New York. 
 15.
COUNTERPARTS. This Agreement may be signed in any number of counterparts, each of which shall be an original, with the same effect as if the signatures thereto and hereto were upon the same instrument. 
  

 7 

 IN WITNESS WHEREOF, the undersigned has executed this Agreement as of the date first above written.

  

			
	  

		
	By:	 	  

 The terms of the foregoing, including the 
 subscription described therein, are agreed 
 to and accepted on this      day of
                    , 2007: 
  

			
	U.S. ENERGY SYSTEMS, INC.
		
	By:	 	  

  

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