Document:

MST PRODUCTION LTD. LIMITED PARTNERSHIP AGREEMENT

 Exhibit 10.84 
  
 AMENDED AND RESTATED LIMITED PARTNERSHIP AGREEMENT 
 OF 
 MST PRODUCTION, LTD. 
  
 THE PARTNERSHIP INTERESTS EVIDENCED BY THIS AGREEMENT HAVE NOT BEEN
REGISTERED UNDER THE SECURITIES ACT OF 1933 OR THE SECURITIES ACT OF ANY STATE, HAVE BEEN ACQUIRED FOR INVESTMENT, AND MAY NOT BE SOLD, OR OTHERWISE DISPOSED OF, OR OFFERED FOR SALE UNLESS REGISTRATION STATEMENTS UNDER SUCH ACTS WITH RESPECT TO SUCH
INTERESTS ARE THEN IN EFFECT OR EXEMPTIONS FROM THE REGISTRATION REQUIREMENTS OF SUCH ACTS ARE THEN APPLICABLE TO SUCH OFFER OR SALE, AND THE PROVISIONS OF ARTICLE 11 OF THE AGREEMENT ARE SATISFIED. 
  
 This Amended and Restated Agreement of Limited Partnership dated
October 13, 2005, amends and restates in its entirety that certain Agreement of Limited Partnership dated September 12, 2005 the “Prior Agreement”), and is entered into by and among MST GP, LLC, a Texas limited liability company,
sometimes referred to in this Agreement as the “General Partner”, and MICROGY, INC., a Colorado corporation (“Microgy”), and SOUTH-TEX TREATERS, INC., a Texas corporation (“South-Tex”), and any other person who becomes
a substituted limited partner pursuant to this Agreement, collectively referred to in this Agreement as the “Limited Partners”, (singularly referred to as a “Partner”). The Partners hereby agree that the Prior Agreement is
amended and restated in its entirety as set forth herein, and shall be effective as of June 23, 2005. 
  
 ARTICLE 1 
  
 FORMATION 
  
 Organization 
  
 1.1    The parties hereby agree to form a limited
partnership, named “MST PRODUCTION, LTD.”, referred to in this Agreement as the “Partnership”, to be governed under the Texas Revised Limited Partnership Act, referred to in this Agreement as the “TRLPA”. 
  
 Certificate of Limited Partnership 
  
 1.2    The General Partner shall execute a Certificate
of Limited Partnership and file the Certificate with the Secretary of State of the State of Texas, and send a file-stamped copy of the Certificate to each Partner. Thereafter, the General Partner shall execute and file other certificates or
instruments as necessary, appropriate, or convenient under the TRLPA and any other laws of the State of Texas and of any other states where the Partnership decides to transact business. The General Partner is hereby authorized and empowered by all
of the Limited Partners to prepare, file, and publish either the original or any amended or modified Certificate of Limited Partnership as may be necessary or desirable, and each Limited Partner specifically designates and appoints the General
Partner, for and on the Limited Partner’s behalf as such Partner’s limited attorney for the exclusive purposes of signing and attesting to such original or amended Certificates of Limited Partnership, if necessary. The General Partner
shall take any and all other actions reasonably necessary to perfect and maintain the status of the Partnership under the laws of Texas. 
  

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 Purposes of Partnership 
  
 1.3    The purpose of the Partnership is to own, lease, maintain, manage and operate a waste digestion
and manure handling plant and methane gas recovery facility in Erath County, Texas, commonly known as the Stephenville Facility (the “Facility”). 
  
 Authority of the Partnership 
  
 1.4    Subject to the limitations set forth in this Agreement, in order to carry out its purposes, the Partnership is empowered and
authorized to do any and all acts and things necessary, appropriate, proper, advisable, incidental to or convenient for the furtherance and accomplishment of its purposes, and for the protection and benefit of the Partnership, including but not
limited to the following: 
  

	 	(1)	To own, lease, operate, maintain and improve, the Facility and all real property, equipment and other assets used or useful in connection with the Partnership’s business of
operating digesters, waste handling and gas cleaning equipment at the Facility; 

  

	 	(2)	To sell, transfer, convey, assign or lease any personal property and equipment owned by the Partnership and used in connection with the operation of the Facility;

  

	 	(3)	To sell and otherwise dispose of gas and byproducts produced from the Facility on such terms and conditions as the Partnership shall deem to be in its best interest;

  

	 	(4)	To borrow money and issue evidences of indebtedness in furtherance of the Partnership business and secure any such indebtedness by mortgage, deed of trust, pledge, or other lien;

  

	 	(5)	To enter into such contracts or other agreements as may be required in furtherance of the Partnership purposes; 

  

	 	(6)	To hire employees, consultants and advisors and enter into any agreement for the management of the Partnership business; 

  

	 	(7)	Subject to the limitations expressly set forth elsewhere in this Agreement, negotiate for and conclude agreements for the sale, exchange or other disposition of all or substantially
all of the property of the Partnership; 

  

	 	(8)	Bring or defend actions at law or in equity; 

  

	 	(9)	Subject to the express provisions of this Agreement, purchase, cancel or otherwise dispose of, the Partnership Interest of any Partner; and 

  

	 	(10)	Enter into any kind of activity, and perform and carry out contracts or agreements of any kind necessary to, or in connection with, or incidental to, the accomplishment of the
purposes of this Partnership. 

  

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 ARTICLE 2 
  

NAME AND PLACE OF BUSINESS 
  
 Name of Limited Partnership 
  
 2.1    The business of the Partnership shall be conducted under the name MST PRODUCTION, LTD., and under such variations of this name
as may be necessary to comply with the laws of Texas and other states in which the Partnership may transact business. The General Partner shall execute and file with the proper offices in a timely manner any instruments required by the Fictitious
Name or Assumed Name Act or similar laws in effect in each state in which the Partnership transacts business. 
  
 Location of Partnership Offices 
  
 2.2    The principal place of business of the Partnership shall be located at 13405 Highway 191, Midland County, Texas 79765, and the mailing address of the Partnership shall be P.O. Box 60480,
Midland, Texas 79711. This place of business shall be the registered office in Texas and the principal office in the United States as defined in the TRLPA. The General Partner may change the registered office in Texas and principal office in the
United States by complying with the provisions of the TRLPA and all other applicable laws. The General Partner may establish additional places of business of the Partnership. Unless provided otherwise herein, references to a General Partner in this
Agreement shall refer only to such General Partner’s partnership interest as a General Partner and not to such General Partner’s partnership interest as a Limited Partner, and vice versa. 
  
 Names and Addresses of Partners 
  
 2.3    The name and mailing address of the General
Partner is listed in Exhibit “A”, attached to this Agreement and incorporated herein by reference. The name and mailing addresses of the Limited Partners are listed in Exhibit “B”, attached to this Agreement and incorporated
herein by reference. There are no other partners of this Partnership and no other person or entity has any right to take part in the ownership, management, or other rights of the Partnership, except as otherwise provided in this Agreement. A General
Partner may also be a Limited Partner if such person makes a capital contribution as a Limited Partner. 
  
 ARTICLE 3 
  
 TERM OF PARTNERSHIP 
  
 3.1    The Partnership shall commence as of the date of filing of the Certificate of Limited Partnership with the Texas Secretary of State, and the Partnership shall continue until December 31, 2040, (or such later
date as may be mutually agreed by the Partners), unless sooner terminated, liquidated, or dissolved in accordance with this Agreement as hereinafter provided. 
  

ARTICLE 4 
  
 CAPITAL CONTRIBUTIONS AND PARTNERSHIP INTERESTS 
  
 Definite Contributions 
  
 4.1    At the time of execution of this Agreement, each Partner shall make the contributions to capital and receive a Partnership interest, as follows: 
  

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 Each Partner shall make an “initial contribution” to the Partnership as described in Exhibit
“C”, attached to this Agreement and incorporated herein by reference. The amounts shown in Exhibit “C” reflect the amount of cash to be contributed or the agreed value of a contribution in a form other than cash. Each Partner
shall be personally liable for the contributions to the capital of the Partnership as shown in Exhibit “C”. Upon making the initial contribution as shown in Exhibit “C”, each Partner shall own the percentage interest in the
Partnership as listed in Exhibit “D”, attached to this Agreement and incorporated herein by reference. 
  
 Additional Contributions 
  
 4.2    No Limited Partner has agreed to contribute any additional cash or property for use of the Partnership other than those indicated in Exhibit “C”. 
  
 Compromise and Release of Contribution Obligations 
  
 4.3    A Partner’s obligation to make contributions
to the Partnership under this Agreement shall not be compromised or released except by the General Partner. 
  
 Lease of Equipment to The Partnership By Microgy 
  
 4.4    Microgy, or an affiliate of Microgy, hereby agrees to lease to the Partnership a complete digestion and waste handling system
of a size and character as described on Exhibit “E” (the “Digester Facility”) for the sum of $1.00 per year for the term of the Partnership. In the event that the Digester Facility needs to be increased in size in order to
process the amount of waste contemplated by Exhibit “E”, Microgy or the applicable affiliate of Microgy will, at its cost and expense, increase the size of the Digester Facility. Microgy will use commercially reasonable efforts to complete
construction of the Digester Facility as promptly as practicable upon a schedule that is mutually acceptable to Microgy, South-Tex and the Partnership. Microgy will execute a memorandum of lease reflecting the provisions of this Section 4.4
suitable for recording in the appropriate land records. In the event that Microgy desires to finance any portion of the Digester Facility through borrowings from one or more lenders, Microgy will, at the request of the Partnership, obtain a
customary non-disturbance agreement from such lender or lenders. 
  
 Lease of Equipment to The Partnership By South-Tex 
  
 4.5    South-Tex, or an affiliate of South-Tex, hereby agrees to lease to the Partnership a complete methane gas recovery plant, compression equipment and a pipeline to be used by the Partnership in the operation of its
business of a size and character as described on Exhibit “F” (the “Gas Treatment Facility”), for the sum of $1.00 per year for the term of the Partnership. If the Gas Treatment Facility needs to be increased in size in order to
process the amount of biogas produced by the Digester Facility, South-Tex or the applicable South-Tex affiliate will, at its cost and expense, increase the size of the Gas Treatment Facility. South-Tex will complete construction of the Gas Treatment
Facility no later than thirty (30) days after the Digester Facility begins producing gas. Microgy will keep South-Tex reasonably informed of the progress of the Digester Facility in order to assist South-Tex in meeting this schedule. South-Tex
will execute a memorandum of lease reflecting the provisions of this Section 4.5 suitable for recording in the appropriate land records. In the event that South-Tex desires to finance any portion of the Gas Treatment Facility through borrowings
from one or more lenders, South-Tex will, at the request of the Partnership, obtain a customary non-disturbance agreement from such lender or lenders. 
  

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 ARTICLE 5 
  

PROFITS AND LOSSES 
  
 Interest of Each Partner 
  
 5.1    The interests of the Partners in the Partnership are set forth on Exhibit “D”. The percentage interest of the
Partners in the Partnership, subject to the terms and provisions of this Agreement, may from time to time be altered by and between the Partners with an amendment to this Agreement. 
  
 Definition of Profits and Losses 
  
 5.2    The term “profits” means income or gain of any kind actually received or deemed to be
received by the Partnership according to the accounting method adopted by the General Partner. The term “losses” means any deduction, expenditure, or charge actually incurred or deemed to be incurred by the Partnership according to its
method of accounting. Profits and losses shall be determined as of the close of the Partnership fiscal year in accordance with Section 703(a) of the Internal Revenue Code (the “Code”) (for this purpose, all items of income, gain,
loss, or deduction required to be stated separately pursuant to Code Section 703(a)(1) shall be included in taxable income or loss), with the following adjustments: 
  

	 	(1)	Any income of the Partnership that is exempt form federal income tax and not otherwise taken into account in computing profits and losses pursuant to this Section 5.2 shall be
added to such taxable income or loss; 

  

	 	(2)	Any expenditures of the Partnership described in Code Section 705(a)(2)(B) or treated as Code Section 705(a)(2)(B) expenditures pursuant to
Section 1.704-1(b)(2)(iv)(I) of the Treasury Regulations under the Code (the “Regulations”), and not otherwise taken into account in computing profits and losses pursuant to this Section 5.2, shall be subtracted from such taxable
income or loss; 

  

	 	(3)	Gain or loss resulting from any disposition of Partnership property with respect to which gain or loss is recognized for federal income tax purposes shall be computed by reference
to the fair market value of the property disposed of, notwithstanding that the adjusted tax basis of such property differs from its fair market value; 

  

	 	(4)	Depreciation, amortization, and other cost recovery deductions shall be taken into account for each fiscal year or other period, computed in accordance with this Subparagraph.
Depreciation means, for each fiscal year or other period, an amount equal to the depreciation, amortization, or other cost recovery deduction allowable with respect to an asset for such year or other period; and 

  

	 	(5)	Items that are specially allocated pursuant to this agreement shall not be taken into account in the calculation of profits and losses hereunder. 

  
 Allocation of Profits and Losses 
  
 5.3    Except as otherwise provided herein, the profits
and losses of the Partnership shall be allocated as follows: 
  

	 	(1)	If the Partnership has Profits (including income and gain arising out of a capital transaction) for any fiscal year, such Profits, if any, shall be allocated as follows:

  

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	 	(a)	First, to the General Partner until the cumulative Profits allocated under this Subparagraph 5.3(1)(a) for the current and all prior periods equal the cumulative Losses allocated
under Subparagraph 5.3(2)(b) to such General Partner. 

  

	 	(b)	Next, to each Partner, in proportion to the negative balance, if any, in such Partner’s Capital Account. 

  

	 	(c)	All remaining Profits shall be allocated to the Partners in proportion to the Partner’s then current percentage of interest in the Partnership. 

  

	 	(2)	If the Partnership has Losses (including Losses arising out of a capital transaction) for a fiscal year, such Losses, if any, shall be allocated as follows:

  

	 	(a)	First, to and among the Partners in accordance with the Partner’s then current percentage of interest in the Partnership except as provided in Subparagraph 5.3(2)(b) below.

  

	 	(b)	To the extent Losses allocated to a Limited Partner would cause the Limited Partner to have a deficit balance in such Partner’s capital account at the end of any fiscal year,
the Losses will be reallocated to the General Partner. 

  
 Special Allocations 
  
 5.4    Notwithstanding any other provision of this Agreement, the following special allocations shall be made: 
  

	 	(1)	In the event any Limited Partner who is not a General Partner unexpectedly receives any adjustments, allocations or distributions described in Regulations
Section 1.704-1(b)(2)(ii)(d)(4), Section 1.704-1(b)(2)(ii)(d)(5) or Section 1.704-1(b)(2)(ii)(d)(6), items of Partnership income and gain shall be specially allocated to each such Limited Partner in an amount and in a manner
sufficient to eliminate, to the extent required by the Regulations, a deficit in the capital account of such Limited Partner as quickly as possible; 

  

	 	(2)	To the extent an adjustment to the adjusted tax basis of any Partnership asset pursuant to Code Section 734(b) or Code Section 743(b) is required pursuant to Regulations
Section 1.704-1(b)(2)(iv)(m) to be taken into account in determining the Partner’s Capital Accounts, the amount of such adjustment to the Capital Accounts shall be treated as an item of gain (if the adjustment increases the basis of the
asset) or loss (if the adjustment decreases such basis) and such gain or loss shall be specially allocated to the General Partner and Limited Partners in a manner consistent with the manner in which their Capital Accounts are required to be adjusted
pursuant to such Section of the Regulations; and 

  

	 	(3)	Except as otherwise provided in Regulations Section 1.704-2(f), notwithstanding any other provision to this Agreement, if there is a net decrease in the Partnership’s
minimum gain during any Partnership fiscal year and it is required in connection with the allocations of profits and losses to have substantial economic effect, each Partner shall be specially allocated items of Partnership income and gain for such
year (and, if necessary, subsequent years) in an amount equal to such Partner’s share of the net decrease in the Partnership’s minimum gain, determined in accordance with Regulations Section 1.704-2(g). Allocations pursuant to the
previous sentence shall be made in proportion the respective amounts required to be allocated to each Partner pursuant thereto. The items to be so allocated shall be determined in accordance with Regulations Sections 1.704-2(f)(6) and 1.704-2(j)(2).
This Subparagraph (3) is intended to comply with the minimum gain chargeback requirements of Regulations Section 1.704-2(f) and shall be interpreted consistently therewith. 

  

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 Capital Accounts 
  
 5.5    The General Partner shall maintain a separate capital account for each Partner. An individual
Partner’s capital account shall consist of the Partner’s contributions to the Partnership capital under Sections 4.1 and 4.2 of this Agreement, plus any amounts transferred from the income account of that Partner, less any authorized
distributions paid from the Partner’s capital account. In the event the fair market value of any contributed property is adjusted pursuant to this Agreement, the Capital Accounts of all Partners shall be adjusted simultaneously to reflect the
aggregate net adjustment as if the Partnership recognized gain or loss equal to the amount of such aggregate net adjustment. The foregoing provisions and the other provisions of this Agreement are intended to comply with Regulations
Section 1.704-1(b) and shall be interpreted and applied in a manner consistent with such Regulations. 
  
 Income Accounts 
  
 5.6    The General Partner shall maintain a separate income account for each Partner. At the end of each fiscal year, each Partner’s share of the net profits or net losses of the Partnership
shall be credited or debited to each Partner’s income account. After any authorized withdrawals have been deducted from a Partner’s income account, any balance or deficit remaining in the account shall be transferred to or charged against
that Partner’s capital account. 
  
 Distributions to
Partners 
  
 5.7    Except as otherwise
provided in Article 5 hereof and except as may be otherwise prohibited by any documentation or agreements between any third party lender and the Partnership, Net Cash Flow, if any, shall be distributed by the General Partner, no less frequently than
once each calendar quarter, to all Partners based upon their Partnership Interests provided, however, that the General Partner shall not distribute Net Cash Flow in excess of the Unreturned Cumulative Profits of the Partnership without the prior
approval of sixty percent (60%) of the Limited Partnership Interests. No cash distributions shall be made which will impair the ability of the Partnership to pay its just debts as they mature. Except as otherwise provided herein, there shall be
no obligation by the Partnership to return to the General Partners or the Limited Partners, or to any one of them, any part of their capital contribution to the Partnership, for so long as the Partnership continues in existence. No General or
Limited Partner shall be entitled to any priority or preference over any other Partner as to cash distributions, in respect to the return of such Partner’s contributed capital. 
  
 “Unreturned Cumulative Profits” shall mean the cumulative profits (including realized and unrealized income and
gain of the Partnership allocated to the Partners pursuant to the Partnership Agreement) in excess of the cumulative losses (including realized and unrealized losses and expenses of the Partnership allocated to the Partners pursuant to the
Partnership Agreement) from the Commencement Date less the cumulative distributions of Partnership cash and other property from the Commencement Date. 
  
 “Net Cash Flow” shall mean monies available from the operations of the Partnership, without deduction for depreciation, but only after deducting
all expenses of the Partnership and monies used to pay or establish a reserve for the reasonable business needs of the Partnership, including needs related to working capital, debt payments, improvement and repairs related to the assets,
obligations, operations or administration of the Partnership as determined by the General Partner. Monies available from the operations of the Partnership shall include net realized and unrealized book income and gain of the Partnership. Monies
available from the operations of the Partnership shall not include Capital Contributions (taken on an aggregate basis and not on an asset by asset basis) and financing proceeds. 
  

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 5.8    Distributions to be made pursuant to this Agreement may be made only in cash.

  
 5.9    The General Partner shall not make
any distributions that will impair the ability of the Partnership to pay its just debts as they mature. Further, the General Partner shall not make any distribution in violation of the limitations in Section 6.07(a) of Article 6132a-1 of the
Revised Civil Statutes of Texas. A Partner who receives a distribution in violation of this Agreement shall be personally liable to return that distribution, with interest, regardless of whether the Partner knew that the distribution was prohibited.

  
 ARTICLE 6 
  
 OWNERSHIP OF PARTNERSHIP PROPERTY 
  
 6.1    All real or personal property, including all
improvements placed or located on the property, acquired by the Partnership shall be owned by the Partnership. A Partner shall have no interest in specific property of the Partnership. Each Partner hereby expressly waives the right to require
partition of any Partnership property or any part thereof. 
  
 ARTICLE 7 
  
 FISCAL MATTERS 
  
 Partnership Fiscal Year and Accounting Method 
  
 7.1    The Partners intend that the Partnership shall be
treated as a partnership for tax purposes. The Partnership’s books and records and all required income tax returns shall be kept or made on the basis of the calendar year. The Partnership shall use the method of accounting selected by any
entity with whom the Partnership is required to be consolidated for financial accounting purposes or, if there is no such entity, the General Partner. 
  
 Partnership Accounts 
  
 7.2    The General Partner shall receive all moneys of the Partnership and shall deposit them in one or more Partnership accounts at a
bank or other financial institution. No other funds shall be deposited in these accounts. All expenditures greater than $100.00 for Partnership business shall be made by checks drawn against these Partnership accounts. Funds deposited in the
Partnership’s bank accounts may be withdrawn only to pay Partnership debts and obligations or to be distributed to Partners as provided in this Agreement. 
  

Books and Records 
  
 7.3    The General Partner shall keep just and true books of account and all other Partnership records, including all records required
to be kept by law, at the Partnership’s principal place of business. The books and records shall be preserved for seven (7) years after the end of the Partnership term. Upon written request of a Partner, the Partnership shall provide, at
the Partnership’s expense: a copy of this Agreement as it may be amended from time to time; the Certificate of Limited Partnership and all amendments and restatements of the Certificate of Limited Partnership; and the Partnership’s
federal, state, and local information or income tax returns for each of the Partnership’s six most recent tax years. In addition, a Partner may examine and copy, at the Partner’s expense, any other Partnership records upon written request
stating a proper purpose for the examination or copying. Within five working days of 

  

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receipt of a request described in this Section, the General Partner shall make such Partnership records available to Partners as is just and reasonable. The
Partner or a Partner’s representative may examine these records at any time during normal business hours. 
  
 Tax Matters 
  
 7.4    All items of Partnership income, expense, gain, loss, deduction, and credit for tax purposes shall be allocated as provided in this Agreement relating to allocations of profits and losses.
The tax matters partner shall be MST GP, LLC or such other General Partner as may be designated in writing from time to time. The tax matters partner shall furnish in a timely manner all information the Partners need to complete their Federal and
State income tax returns, including statements of the net distributable income or loss to each Partner from the operation of the Partnership. 
  
 Audits 
  
 7.5    Any Partner shall have the right to have an audit conducted of the Partnership’s books. The Partner requesting the audit
shall bear the expense of the audit unless a majority in interest of the Limited Partners authorizes payment of audit expenses. The Partner requesting the audit may select the accounting firm to conduct the audit. The Partnership shall not be
required to be audited more than once in any fiscal year. 
  
 ARTICLE 8 
  
 MANAGEMENT OF PARTNERSHIP AFFAIRS

  
 Duties of the General Partner 
  
 8.1    The General Partner shall exercise ordinary
business judgment in managing the affairs of the Partnership. The General Partner shall act as a fiduciary with respect to the interest of the Limited Partners. In acting in its official capacity as General Partner of this Partnership, the General
Partner shall act in good faith and take actions it reasonably believes to be in the best interests of the Partnership and are not unlawful. In all other instances, the General Partner shall not take any action that it reasonably believes would be
opposed to the Partnership’s best interests or would be unlawful. The General Partner shall take no action in any capacity that results in its improperly receiving personal benefits relating to Partnership affairs. The General Partner shall
devote sufficient time, attention, and business judgment to the affairs of the Partnership to fulfill its duties to the other Partners and the Partnership. As long as the General Partner fulfills its duties to the other Partners and the Partnership,
the General Partner may be the manager or general partner of other partnerships and may engage in other distinct or related businesses. 
  
 Powers of the General Partner 
  
 8.2    The General Partner shall have exclusive control of the Partnership. Subject to the limitations in this Agreement, the General
Partner shall have the authority to take any action it deems to be necessary, appropriate, or convenient relating to the management of the Partnership, including, but not limited to, the powers to: 
  

	 	(1)	Borrow money on behalf of the Partnership from any person, firm, or corporation for any Partnership purpose on whatever terms and conditions that the General Partner deems advisable
and to obligate the Partnership to repay the borrowed money. 

  

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	 	(2)	With the consent of sixty percent (60%) of the Limited Partnership Interests, encumber or hypothecate Partnership property for any Partnership purpose by mortgage, deed of
trust, pledge, or otherwise. 

  

	 	(3)	Carry, at the expense of the Partnership, insurance of the kinds and in the amounts that the General Partner deems advisable or make other arrangements for payment of losses or
liabilities to protect the Partnership or the Partners, agents, and employees of the Partnership, or persons serving at the request of the Partnership as representatives of another enterprise; provided, however, that with respect to insurance or
arrangements to indemnify a person for any liability arising out of the person’s status as a general partner, limited partner, employee, or agent of the Partnership, or by serving at the request of the Partnership as representatives of another
enterprise, the terms of the insurance or other arrangements must be consistent with the provisions of Section 11.18 of Article 6132a-1 of the Revised Civil Statutes of Texas. 

  

	 	(4)	Invest and reinvest in property that the General Partner deems advisable, including an option to acquire an asset. 

  

	 	(5)	Vote and give proxies to vote any Partnership securities, including stock of any General Partner that is a corporation. 

  

	 	(6)	Pay any assessments or other charges levied on any Partnership stock or other security. 

  

	 	(7)	Exercise any subscription, conversion, or other rights or options that may attach to the holders of any Partnership stocks, bonds, securities, or other instruments.

  

	 	(8)	Continue and operate, sell, or liquidate any business or Partnership interests received by the Partnership. 

  

	 	(9)	Participate in any plans or proceedings for the foreclosure, reorganization, consolidation, merger, or liquidation of any corporation or organization that has issued securities
owned by the Partnership and, incident to that participation, deposit securities with and transfer title of securities to any protective or other committee established to further or defeat any such plan or proceeding. 

  

	 	(10)	Enforce any mortgage or deed of trust or pledge owned by the Partnership and, at any sale under any such mortgage, deed of trust, or pledge, bid and purchase at Partnership expense
any property subject to the security instrument. 

  

	 	(11)	Employ any attorney, investment adviser, accountant, broker, tax specialist, or any other agent, and pay reasonable compensation for all services performed by any of them as a
Partnership expense. 

  

	 	(12)	Compromise, participate in mediation, submit to arbitration, release with or without consideration, extend time for payment, or otherwise adjust any claims in favor of or against
the Partnership. 

  

	 	(13)	Commence or defend any litigation with respect to the Partnership or any Partnership property, at the expense of the Partnership. 

  

	 	(14)	Abandon any Partnership asset that the General Partner deems advisable. 

  

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	 	(15)	Do all acts, take part in any proceedings, and exercise all rights and privileges as could an absolute owner of Partnership property, subject to the limitations expressly stated in
this Agreement and the faithful performance of the General Partner’s fiduciary obligations. The enumeration of powers in this Agreement shall not limit the general or implied powers of the General Partner or any additional powers provided by
law. 

  
 Transactions Between Partners and
Partnership 
  
 8.3    A Partner may lend
money to and otherwise transact business with the Partnership and has the same rights and obligations relating to those matters as a person who is not a Partner, except as otherwise provided by this Agreement and all applicable laws. Loans by a
Partner to the Partnership shall not be considered capital contributions. The Partnership shall not borrow money from or otherwise transact business with a Partner unless the transaction is described fully in a legally binding instrument, is in the
best interest of the Partnership and has been approved by Partners holding at least 60% of the Limited Partnership Interests. 
  
 Prohibited Acts 
  
 8.4    As long as the Partnership is in existence, and except with the prior written consent of all Partners, no Partner shall:

  

	 	(1)	Do any act in violation of this Agreement. 

  

	 	(2)	Do any act with the intention of harming the operations of the Partnership. 

  

	 	(3)	Do any act that would make it impossible or unnecessarily difficult to carry on the intended or ordinary business of the Partnership. 

  

	 	(4)	Receive an improper personal benefit from the operation of the Partnership. 

  

	 	(5)	Wrongfully transfer or dispose of Partnership property, including intangible property such as goodwill. 

  

	 	(6)	Transfer all or substantially all of the Partnership’s assets. 

  

	 	(7)	Use the name of the Partnership (or any substantially similar name) or any trademark or trade name adopted by the Partnership, except on behalf of the Partnership in the ordinary
course of the Partnership’s business. 

  

	 	(8)	Disclose to any non-partner any of the Partnership business practices, trade secrets, or any other information not generally known to the business community.

  

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 Nominees 
  

8.5    The General Partner may exercise the powers given to the General Partner under this Agreement in the name of the
Partnership, in the General Partner’s own name individually, or in the name of a nominee. If the General Partner decides to transact the Partnership business in the General Partner’s own name or in the name of a nominee, the General
Partner shall place a written declaration of trust in the Partnership books and records that legally establishes the fiduciary obligations that the individual General Partner or nominee is undertaking to the other Partners and the Partnership in the
transaction. A General Partner shall be liable for the acts and omissions of any person the General Partner designates as a nominee. 
  
 Compensation of the General Partner 
  
 8.6    The General Partner shall be entitled to reimbursement for any expenses the General Partner advances for Partnership business.
The amount of compensation to be paid to the General Partner, if any, shall be determined upon the agreement of the General Partner and sixty percent (60%) of the Limited Partnership Interests. 
  
 Meetings of Partners 
  
 8.7    The Partners shall hold regular annual meetings
at times and places to be selected by the General Partner. In addition, forty-nine percent (49%) in interest of the Limited Partners may call a special meeting at any time after giving at least thirty (30) days’ written notice to all
Partners describing the matters to be considered at the special meeting. The record date for participation in any meeting of Partners shall be thirty-five (35) days prior to the date of the meeting. Any Partner may waive notice of or attendance
at any meeting, or may attend by telephone or any other electronic communication device, or may execute a signed written consent. The quorum required to transact business at Partnership meetings is sixty percent (60%) in interest of the Limited
Partners. The Partners may transact all business properly brought before them at meetings. A Partner may vote by proxy. The Partners shall keep regular minutes of all their meetings. The minutes shall be placed in the Partnership minute book and
kept with the Partnership records. 
  
 Action Without Meeting

  
 8.8    Any action required or
permitted to be taken at a meeting of the Partners or a class of Partners may be taken without a meeting if written consent setting forth the action to be taken is signed by all Partners entitled to vote. This consent shall have the same force as a
unanimous vote of the Partners or class of Partners. The original signed consents shall be placed in the Partnership minute book and kept with the Partnership records. 
  
 Withdrawal of General Partner 
  
 8.9    A General Partner ceases to be a General Partner, and is deemed to have withdrawn from the
Partnership, on the occurrence of any of the following events (“events of withdrawal”) relating to the General Partner: 
  

	 	(1)	The General Partner’s giving sixty (60) days’ written notice of withdrawal to each of the other Partners. 

  

	 	(2)	The General Partner’s assignment of all of its rights as a General Partner (without any vote required by the Limited Partners). 

  

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	 	(3)	Removal of the General Partner as provided in this Agreement. 

  

	 	(4)	The General Partner’s making a general assignment for the benefit of creditors. 

  

	 	(5)	The General Partner’s filing of a voluntary bankruptcy petition under Title 11, Chapter 7 of the United States Code. 

  

	 	(6)	Conviction or plea of nolo contendere or its equivalent on any felony or any crime related to the Partnership. 

  
 8.10    Any act of withdrawal other than those listed
above shall be in contravention of this agreement and deemed a breach of the General Partner’s duties. 
  
 8.11    A General Partner shall notify the other Partners within thirty (30) days after the occurrence of an event of withdrawal
involving the passage of a period of time specified in Section 8.9. 
  
 8.12    Regardless of the provisions in Section 8.9(4) and 8.9(5), a General Partner shall continue to be a General Partner if all Partners consent in writing. 
  
 8.13    When a General Partner withdraws, the remaining
Partners shall decide how to treat any Limited Partnership interest held by the withdrawing General Partner. If there are no remaining General Partners after a General Partner withdraws, the disposition of the Partner’s interest is determined
by a vote of a majority in interest of the Limited Partners, excluding any interest of the withdrawing Partner. The withdrawing General Partner’s interest may be converted into a Limited Partnership interest, or the Partnership may pay the
General Partner the value of that Partner’s interest less damages caused by the Partner’s breach of this Agreement, if any. If the withdrawing General Partner’s interest is converted to that of a Limited Partner, the interest of all
Partners may be reduced pro rata to provide compensation or an interest, or both, to a replacement General Partner. If the General Partner’s withdrawal violates this Agreement, the withdrawing General Partner shall have no voting rights. If the
withdrawal does not violate this Agreement, the withdrawing General Partner is entitled to vote as a Limited Partner in all matters, to the same extent as the members of the class of Limited Partners having the least voting rights relating to the
matter being voted on. However, the withdrawing General Partner may not vote on the admission and compensation of any General Partner replacing the withdrawing General Partner. 
  
 Removal of the General Partner 
  
 8.14    The Limited Partners may vote to remove a General Partner at any time, only for cause (as
defined in Subparagraphs (1)-(3) below). Any Limited Partner or Partners with at least sixty (60%) interest combined, or any General Partner, may call a meeting to discuss the removal of a General Partner. Written notice of the meeting
shall be given to each Partner at least thirty (30) days prior to the date of the meeting. The General Partner shall have the right to present evidence at the meeting as to why it should not be removed, and the General Partner shall have the
right to be represented by an attorney at the meeting. At the meeting, the Partnership shall consider possible arrangements for resolving the problems that are in the mutual interest of the Partnership and the General Partner. A General Partner may
be removed by the affirmative vote of sixty percent (60%) of the Partnership Interests (other than the Partnership Interests (whether General or Limited) owned by the General Partner to be removed) and upon the occurrence of any of the
following events: 
  

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	 	(1)	A material breach by the General Partner of any of the material terms and conditions of this Agreement or any of the material duties required to be performed by the General Partner
under this Agreement as determined by sixty percent (60%) of the Partnership Interests (other than the Partnership Interests (whether General or Limited) owned by the General Partner to be removed) but only if such breach is not cured or other
satisfactory arrangements are not made to cure such breach within sixty (60) days of the delivery of written notice of such breach to the General Partner; 

  

	 	(2)	The willful misconduct, gross negligence, or fraud of a General Partner in the performance of a General Partner’s duties under this Agreement as determined by a court of last
resort; and 

  

	 	(3)	The bankruptcy (or filing therefor), insolvency, assignment for the benefit of creditors, or dissolution of a General Partner or the attachment of the General Partner’s
Interest by any creditor of the General Partner. 

  
 No removal shall be effective hereunder unless the Limited Partners first obtain (i) an opinion of counsel, satisfactory to all the Limited Partners, that exercise of the removal right will not jeopardize the limited liability of the
Limited Partners, or (ii) a declaratory judgment by a court of competent jurisdiction declaring that exercise of the removal right will not jeopardize the limited liability of the Limited Partners. If a General Partner is removed, that
Partner’s interest in the Partnership shall be dealt with in accordance with Section 8.13 as if such General Partner had withdrawn. 
  
 Election of New General Partner 
  
 8.15    If there is no remaining General Partner, the Limited Partners shall either vote to dissolve the Partnership or to elect at
least one new General Partner. The Limited Partners may elect a person to serve as an interim manager pending election of a new General Partner. The elections provided in this Section shall be made by a vote of sixty percent (60%) in interest
of the Limited Partners. 
  
 8.16    An
interim manager appointed under Section 8.15 shall have and may exercise only the rights and powers of a General Partner needed to preserve Partnership assets and continue its business operations until a new General Partner is appointed or the
Limited Partners select a person to wind up the Partnership business as provided in this Agreement. The interim manager shall be liable for a breach of duty of a General Partner as provided in this Agreement, but the interim manager shall not be
liable as a General Partner for Partnership obligations. The provisions of this Agreement relating to indemnification shall apply to the interim manager. 
  
 Restrictions on Limited Partners 
  
 8.17    The Limited Partners shall not have the obligation or the right to participate in the control of the Partnership business. A
Limited Partner shall not do any act, deed, or thing that will cause the Limited Partner to be classified as a General Partner of the Partnership. However, a Limited Partner may: 
  

	 	(1)	Act as a contractor for or an agent or employee of the Partnership or of a General Partner. 

  

	 	(2)	Act as a surety, guarantor, or endorser for the Partnership, to guarantee or assume one or more specific obligations of the Partnership, or to provide collateral for borrowings of
the Partnership. 

  

	 	(3)	Call, request, attend, or participate in a meeting of the Partners or the Limited Partners. 

  

	 	(4)	Wind up the Partnership as provided by this Agreement or by law. 

  

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	 	(5)	Take any action required or permitted by law to bring or pursue a derivative action in the right of the Partnership. 

  

	 	(6)	Serve on a committee of the Partnership or the Limited Partners. 

  
 ARTICLE 9 
  
 LIABILITIES AND INDEMNIFICATION 
  
 Liability of Partners to Third Parties 
  
 9.1    The General Partner shall be liable for the debts and obligations of the Partnership. Limited Partners shall not be liable for the debts and obligations of the Partnership or for any
Partnership losses beyond the amount of the Limited Partner’s total contribution. 
  
 When Indemnification is Required, Permitted, and Prohibited 
  
 9.2    The Partnership shall indemnify a Partner, employee, or agent of the Partnership who was, is, or is threatened to be made a
named defendant or respondent in a proceeding because the person is or was acting within the scope of such Partner’s official capacity to the Partnership. However, the Partnership shall indemnify the person only if such party acted in good
faith and reasonably believed that such party’s conduct was in the Partnership’s best interest. In a case of a criminal proceeding, the person may be indemnified only if such party had no reasonable cause to believe that the conduct
involved was unlawful. The Partnership shall not indemnify a person who is found liable to the Partnership or Partners or if the person is found liable on the basis that such person improperly received personal benefit or that he or she committed
other willful or intentional misconduct. 
  
 9.3    The termination of a proceeding by judgment, order, settlement, conviction, or on a plea of nolo contendere or its equivalent does not alone determine that the person did not meet the requirements of
Section 9.2. A person is conclusively considered to have been found liable in relation to any claim, issue, or matter if the person has been adjudged liable by a court of competent jurisdiction and all appeals have been exhausted. 

 
 9.4    The Partnership shall pay or reimburse expenses
incurred by a Partner, employee, or agent of the Partnership in connection with the person’s appearance as a witness or other participation in a proceeding involving or affecting the Partnership when the person is not a named defendant or
respondent in the proceeding. 
  
 9.5    In
addition to the situations otherwise described in this Section, the Partnership may indemnify a Partner, employee, agent, or person serving at the request of the Partnership as a representative of another enterprise to the extent permitted by law.
However, the Partnership shall not indemnify any person in a situation prohibited under Section 9.3. 
  
 9.6    Before the final disposition of a proceeding, the Partnership may pay indemnification expenses permitted under this Agreement
and authorized by the Partnership. However, the Partnership shall not pay indemnification expenses to a person before the final disposition of a proceeding if the person is a named defendant or respondent in a proceeding brought by the Partnership
or one or more Partners, or the person is alleged to have improperly received personal benefit or committed other willful or intentional misconduct. 
  

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 9.7    If the Partnership may indemnify a person under this Agreement, the person may
be indemnified against judgments, penalties, excise and similar taxes, fines, settlements, and reasonable expenses (including attorney’s fees) actually incurred in connection with the proceeding. 
  
 Procedures Relating to Indemnification Payments 
  
 9.8    Before the Partnership may pay any
indemnification expenses (including reasonable attorney’s fees), the Partnership must specifically determine that indemnification is permissible, authorize indemnification, and determine that expenses to be reimbursed are reasonable, except as
provided in Section 9.10. The Partnership may make these determinations and decisions by one of the following procedures: 
  

	 	(1)	Majority vote of a quorum consisting of General Partners who, at the time of the vote, are not named defendants or respondents in the proceeding; 

  

	 	(2)	Determination by special legal counsel selected by the General Partners by vote as provided in Section 9.8(1), or if such a quorum cannot be obtained, by a majority vote of all
General Partners; or 

  

	 	(3)	Decision of a majority in interest of the Limited Partners, in a vote excluding an interest held by a General Partner who is named as a defendant or respondent in the proceeding.

  
 9.9    The Partnership must
authorize indemnification and determine that expenses to be reimbursed are reasonable in the same manner that it determines that indemnification is permissible. If, however, the determination that indemnification is permissible is made by special
legal counsel, authorization of indemnification and determination of reasonableness of expenses must be made by majority vote of a quorum consisting of General Partners who, at the time of the vote, are not named defendants or respondents in the
proceeding, or if such a quorum cannot be obtained, by a majority vote of all General Partners. A provision contained in this Agreement, a resolution of the General Partners, a resolution of a majority in interest of the Limited Partners, or an
agreement that authorizes indemnification permitted under Section 9.2 of this Agreement constitutes sufficient authorization of indemnification even though the provision may not have been adopted or authorized in the same manner as the
determination that indemnification is permissible. 
  
 9.10    The Partnership may pay or reimburse, in advance of the final disposition of the proceeding, reasonable expenses incurred by a General Partner who was, is, or is threatened to be made a named defendant or
respondent in the proceeding without the determination specified in Section 9.8, or without the authorization specified in Section 11.06 of the Revised Limited Partnership Act. Such action is permissible after the Partnership receives a
written affirmation by the General Partner of the General Partner’s good-faith belief that the General Partner met the standard of conduct necessary for indemnification. The General Partner must provide a written undertaking by or on behalf of
that Partner to repay the amount paid or reimbursed in case it is ultimately determined that the General Partner has not met the standard or that indemnification of the General Partner is prohibited by Section 11.05 of the Revised Limited
Partnership Act. The undertaking must be an unlimited general obligation of the person, but it need not be secured and it may be accepted without reference to financial ability to make repayment. 
  
 9.11    The General Partner shall promptly deliver or
mail a written report of any indemnification or advance of expenses to the Limited Partners. The report shall contain a description of the proceeding, the dates and procedures used to make the determinations and decisions required under this
Section, the amounts paid to each person indemnified, and all other material facts related to the indemnification. The report shall be made not later than six months after the date that the indemnification occurs. 
  

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 ARTICLE 10 
  
 BREACH OF DUTY TO PARTNERSHIP 
  
 Liability of the General Partner to Other Partners and Partnership 
  
 Definition of Breach 
  
 10.1    A Partner who fails to perform an enforceable
promise to make contributions or otherwise violates such Partner’s duty under this Agreement shall be liable to the other Partners and the Partnership. However, a General Partner shall not be liable for any mistake of fact or judgment made by
the General Partner resulting in any loss to the other Partners or the Partnership that was not caused by a breach of the General Partner’s duty to the other Partners or the Partnership. 
  
 Procedure Regarding Alleged Breach 
  
 10.2    Any Limited Partner or Partners with at least
forty-nine percent (49%) interest combined, or any General Partner may call a meeting to determine whether a Partner has breached such Partner’s duty under this Agreement and to take appropriate action. Written notice of the meeting shall
be given to each Partner at least thirty (30) days prior to the date of the meeting. The Partner shall have the right to present evidence at the meeting as to why such Partner has not breached this Agreement and as to what action the
Partnership should take. The Partner shall have the right to be represented by an attorney at the meeting. At the meeting, the Partnership shall consider possible arrangements for resolving the problems that are in the mutual interest of the
Partnership and the allegedly defaulting Partner. 
  
 10.3    After following the procedures in Section 10.2, the Partnership may determine that a Partner has breached such Partner’s duty under this Agreement and take appropriate action by the unanimous vote of
the Limited Partners. The Partnership shall give the allegedly defaulting Partner written notice of the Partnership’s decision within thirty (30) days after the meeting. The allegedly defaulting Partner may dispute the Partnership’s
decision by filing suit and serving process on the Partnership’s registered agent for service of process or any General Partner within ninety (90) days after delivery of the notice of the Partnership’s decision. The Partnership shall
take no action relating to the allegedly defaulting Partner within this period or while the suit is pending. However, a decision to remove a General Partner shall take effect immediately, subject to possible liability of the Partnership for wrongful
removal. If the allegedly defaulting Partner does not file suit and complete service of process on the Partnership within the ninety (90) day period, the Partnership may take the action it has decided on without any liability to the defaulting
Partner. 
  
 Remedies for Breach 
  
 10.4    If the Partnership determines that a Partner
breached such Partner’s duty under this Agreement, the Partnership shall take appropriate action commensurate with the seriousness of the breach. If the Partnership determines that a Partner has breached this Agreement, the Partnership may take
one or more of the following actions: 
  

	 	(1)	Arrange for another Partner to lend money to the Partner sufficient to meet the Partner’s obligation. 

  

	 	(2)	Subordinate the defaulting Partner’s interest to that of non-defaulting Partners. 

  

	 	(3)	Reduce the Partner’s percentage or other interest in the Partnership. 

  

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	 	(4)	Determine the value of the Partner’s interest by appraisal or formula and redeem or sell the interest at that value. 

  

	 	(5)	Cause a forfeiture of the Partner’s interest. 

  

	 	(6)	Remove a General Partner as provided in this Agreement. 

  

	 	(7)	Take other appropriate action. 

  
 ARTICLE 11 
  
 RESTRICTIONS ON THE WITHDRAWAL OF LIMITED PARTNERS 
 AND ON TRANSFERS OF LIMITED PARTNER’S 
 PARTNERSHIP INTEREST AND PURCHASE OBLIGATIONS 
  
 Withdrawal of Limited Partners and Voluntary Transfer of Partnership Interest 
  
 11.1    Except as specifically provided in Section 11.14, no Limited Partner shall have the right
or power to withdraw from the Partnership until the Partnership is terminated and its affairs wound up according to Article 12. Additionally, except as otherwise provided in this Article 11, each of the Limited Partners covenant and agree not to
transfer, assign, mortgage, pledge, hypothecate or otherwise dispose of all or any part of their Partnership Interest. Any purported transfer of a Limited Partner’s Partnership interest not in conformance with this Article 11 shall be null and
void and of no effect. 
  
 Transfer Requirements 

 
 11.2    A Limited Partner who desires to sell all
(but not less than all) of such partner’s Partnership Interest may only sell such Partnership Interest under the following conditions: 
  

	 	(1)	The Limited Partner shall give written notice (“notice of sale”) to the Partnership of such partner’s intent to sell such interest and shall attach to such notice a
photocopy of a written offer of a prospective purchaser of such interest who is unrelated to the Limited Partner containing all details of the identity of the purchaser, the purchase price, and the terms of payment, and certified by the Limited
Partner that the offer is genuine and in all respects what it purports to be. 

  

	 	(2)	The Partnership shall have the option for a period of thirty (30) days after the receipt of the notice of sale (“the option period”) to purchase all (but not less
than all) of such Limited Partner’s Partnership Interest at the price and on the terms of the offer attached to the notice of sale by giving written notice of such exercise to the Limited Partner. In the event that the Partnership shall
purchase such interest, such interest will be deemed to be cancelled, and the respective percentages of Limited Partnership Interests held by each Limited Partner as set forth on Exhibit “D” hereto shall be proportionately adjusted.

  

	 	(3)	If the Partnership does not exercise the option provided in Subparagraph (2) of this Section 11.2, then for a period of thirty (30) days following the termination of
the option period the Limited Partner shall be free to sell the interest in the Partnership that was the subject of the notice of sale to the identified prospective purchaser, at the price and on the terms contained in the notice of sale. If the
purchasing third party fails to purchase the Partnership Interest within the thirty (30) day period described above, the Partner’s right to sell such Partnership Interest pursuant to such third party offer shall expire and he or she shall
continue to hold his Partnership Interest subject to the terms of this Agreement. 

  

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	 	(4)	In no event, however, shall such transferring Partner sell his, her or its Partnership Interest unless such transfer is in compliance with Section 11.4.

  

	 	(5)	In the event such sale of the Partnership Interest is in compliance with this Section 11.2, the purchaser of such Partnership Interest shall become an assignee pursuant to
Section 11.10. In no event, however, shall such purchaser become a Substituted Partner unless such transfer is in compliance with Section 11.6. 

  
 Recordation of Transfer 
  
 11.3    Transfers of Partnership Interests by a Limited Partner shall be made on the books of the Partnership only after the
Partnership receives instruments evidencing the transfer and the payment of all necessary transfer taxes and shall be made effective as of such time as is determined in accordance with the last paragraph of Section 11.5. The transferor shall
also pay the Partnership the reasonable costs of the transfer. The Partnership shall maintain a ledger listing the name and address of each owner and the interest held by each owner. The Partnership shall treat each person or entity listed on the
ledger as the record holder of the interests listed in his or her name and as a Limited Partner with respect to the interest listed therein as being held by him or her or it in that capacity. Transfers and substitutions of Limited Partners shall be
effective only when entered in the records of the Partnership, and no transfer or substitution of Limited Partners shall be valid as against the Partnership, its Partners or its creditors for any purpose until it shall have been so entered.

  
 Overriding Restriction on Transfer 
  
 11.4    No Limited Partner may transfer any Partnership
Interest and no attempted or purported transfer shall be effective if: (a) the transfer would terminate the Partnership for the purpose of Code Section 708; or (b) the transfer would cause adverse tax consequences to the Partnership
or any of the non-transferring Partners; or (c) the transfer would cause adverse consequences to the Partnership or any of the non-transferring Partners under or would otherwise be in violation of any applicable federal or state securities
laws. The General Partner is expressly authorized to enforce this Section by notifying the Partners that all subsequent attempts at transfer will be ineffective whenever interests totaling 35% or more in Partnership Interests of the Partnership
shall have been effectively transferred in any 12-month period. Furthermore, prior to any transfer becoming effective, the General Partner may require an opinion of counsel to the effect that the transfer will not cause adverse tax or securities
laws consequences to the Partnership or any of the non-transferring Partners and will otherwise be in compliance with applicable federal and state securities laws, and the transferor shall be responsible for paying counsel’s fee for the
opinion. 
  
 Substituted Partners 
  
 11.5    In no event shall any transferee who receives an
interest in the Partnership by a transfer, sale, gift or bequest from a Partner, directly or through subsequent transfers, have the right to become a Substituted Partner in place of the transferring Partner with respect to the interest transferred
or purportedly transferred unless all of the following conditions have been satisfied: 
  

	 	(1)	The transferee must receive written consent from the General Partner in order to become a Substituted Partner of the Partnership, which the General Partner may withhold in its sole
discretion; 

  

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	 	(2)	The transferee must receive written consent from sixty percent (60%) of the Limited Partnership Interests of the Limited Partners (excluding any Limited Partnership Interest
which may be owned by the transferor); 

  

	 	(3)	The interest has been duly transferred to the transferee in accordance with this Article 11; and 

  

	 	(4)	The transferor and transferee shall have (i) satisfied the remaining conditions set forth in Sections 11.7 and 11.8 and the conditions set forth in Article 13,
(ii) executed and acknowledged such instruments as the General Partner may deem necessary or desirable to effect the admission, including the written acceptance and adoption by the transferee of all the provisions of this Agreement, as amended
to the date of such transfer, and (iii) unless waived by the General Partner, agreed in writing to pay all reasonable expenses in connection with such transferee’s admission as a Substituted Partner, including, without limitation, the cost
of the preparation, filing and publishing of any amendment to the Certificate of Limited Partnership necessary or desirable in connection with such transferee’s admission. 

  
 Any substitution of Partners pursuant to this Section 11.5 shall be
effective and entered on the ledger of the Partnership only as of the opening of business on such date or dates as shall be established by the General Partner at least once each calendar quarter after all of the conditions set forth above have been
satisfied, and the General Partner shall not be required to amend the Certificate of Limited Partnership more than once each calendar quarter to reflect such substitutions. Any record holder admitted to the Partnership as a Substituted Partner shall
have all the rights of a Partner hereunder and shall be subject to and bound by all the provisions of this Agreement as if originally a party to this Agreement. 
  

Dissolved Limited Partners 
  
 11.6    If a Limited Partner is dissolved or terminated, the legal representative, agent or authorized representative of such entity
may exercise the rights of the Limited Partner pending liquidation. The Permitted Transferees or other distributees of such person may become Substituted Partners or assignees, as applicable, pursuant to the terms and provisions of Sections 11.4 and
11.5. 
  
 Obligations of Seller 
  
 11.7    On any transfer of a Partnership Interest
pursuant to this Article, the Partner selling and/or transferring a Partnership Interest (hereinafter in Sections 11.10, and 11.11 referred to as “Seller”) shall execute and deliver all documents, assignments, transfers, deeds and releases
of the interest of the Seller in the Partnership as may be required to vest good and marketable title to such interest and ownership in the Partnership or Partner, as applicable, (hereinafter referred to as “Purchaser”) free and clear of
all liens, claims and encumbrances (except for such claims and encumbrances as are provided for pursuant to the terms of this Agreement or as provided below); and all such documentation shall contain representations, warranties, and indemnities by
the Seller which are customary to such transactions. All rights of the Seller in the Partnership, its future profits, business and assets, shall thereupon belong to the Purchaser, subject to any security interest the Seller may have securing any
Purchaser’s note, which may have been executed pursuant to the purchase of the Partnership Interest. 
  
 Obligations of Purchaser 
  
 11.8    The Purchaser, shall become a signatory hereof by signing such number of counterpart signature pages to this Agreement and such other instrument or instruments, in such manner, as the
General Partner shall determine. By so signing, each Purchaser shall be deemed to have adopted, and to have agreed to be bound by the provisions of, this Agreement; provided, however, that no such counterpart 

  

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shall be binding until it shall have been accepted by the Partnership pursuant to the provisions of this Agreement. 
  
 Buy/Sell Obligation of Limited Partner 
  
 11.9    In the event a Partner desires at any time to
purchase the interest (whether General or Limited) of any other Partner, such Partner (hereinafter called offeror) shall submit a written proposal to the Partner from whom the offeror desires to purchase (hereinafter called offeree) by certified
mail, setting forth the offeror’s offer to purchase all (but not less than all) of the interest of the offeree and the cash purchase price to be paid therefor. The offeree shall, within ninety (90) days from receipt of said written
proposal, (1) accept said offer, assign all of offeree’s interest to offeror and receive said purchase price, or (2) notify offeror of offeree’s rejection of said proposal to purchase offeree’s interest and exercise
offeree’s vested right (created by reason of receipt of said offer, sometimes referred to as a “buy-sell” offer) to purchase all (but not less than all) of the offeror’s interest at the same cash price per Partnership percentage
as was offered to offeree by offeror, in which event offeror shall be obligated to deliver all of offeror’s interest, duly assigned to offeree upon tender of said cash price to offeror. A failure by offeree to timely and properly accept
offeror’s written offer, or to reject it and duly effect counter-purchase, shall be deemed for all purposes an acceptance by offeree to sell to offeror all of offeree’s interest upon the terms set out in such offer. 
  
 Notwithstanding anything to the contrary contained herein, an offeror shall
not have the right to exercise the buy-sell offer unless such offeror simultaneously makes a buy-sell offer to purchase all (but not less than all) of the offeree’s membership interest in MST GP, LLC, and MST ESTATES, LLC,. Similarly, if an
offeror makes a buy-sell offer to purchase all (but not less than all) of an offeree’s membership interest in either MST GP, LLC or MST ESTATES, LLC, such offeror shall be deemed to have made a buy-sell offer with respect to all (but not less
than all) of such offeree’s partnership interest in the Partnership pursuant to this Section 11.9. 
  
 The provisions of this Section 11.9 may be enforced by suits for specific performance, and relief for breach hereof shall not be limited to an action
for damages only. In the event litigation is brought by any one party against another for an alleged breach of this agreement, the successful or prevailing party shall be entitled to recover, in addition to any and all other relief herein afforded
or afforded by law, the amount of reasonable attorney’s fees and litigation expenses incurred by reason of such breach. 
  
 Assignee 
  
 11.10    Unless and until the conditions set forth in Section 11.5 are satisfied, the transferee or assignee of a Partnership
Interest pursuant to this Article shall become an assignee of a Partnership Interest (not a Partner) and shall only be entitled to the rights and privileges available to such assignee. The rights and privileges available to such assignee includes
only the rights to distributions, allocations of profits, losses and specially allocated income, gain, losses and expenses pursuant to Article 5, and proceeds of liquidation attributed to such Interest after the assignment and rights to transfer or
sell the assignee’s Partnership Interest(s). Subsequent transfers of said assignee’s interest shall be controlled by the provisions of this instrument dealing with the transfer of Partnership Interests; provided, however, such use of the
transfer provisions of this instrument shall not convert an assignee’s interest into a Partnership Interest unless the provisions of Section 11.5 are satisfied. It should further be noted that, unless the transferee of such Partnership
Interest has executed and has become a party to this Agreement as an assignee, such sale or transfer shall be null and void. 
  

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 Nonrecognition of an Unauthorized Transfer 
  
 11.11    As set forth in Section 11.1, the
Partnership will not be required to recognize the interest of any assignee who has obtained a purported Partnership Interest as the result of a transfer or assignment which is not authorized by this Agreement as such transfer or assignment shall
become null and void. If there is a doubt as to ownership of a Partnership Interest or who is entitled to distribution under Article 5 or liquidating proceeds under Article 12, the General Partner may accumulate such distribution or liquidation
proceeds until the issue is resolved. 
  
 Acquisition of an
Interest Conveyed to Another Without Authority 
  
 11.12    If any person acquires a Partnership Interest, or becomes an assignee, as the result of an order of a court which the Partnership is required by law to recognize, or if a Partner’s Interest in the
Partnership is subjected to a lawful “charging order”, or if a Partner makes an unauthorized transfer or assignment of a Partnership Interest, which the Partnership is required by law (and by order of a court) to recognize, the Partnership
will have the unilateral option for a period of one (1) year after the date the Partnership is required by law (and by order of a court) to recognize such transfer to acquire the interest of the transferee or assignee, or any fraction or part
thereof, upon the terms and conditions set forth below. This Section 11.12, however, will not override the applicability of section 11.2 herein. 
  

	 	(1)	The Partnership will have the option to acquire the interest by giving written notice to the transferee or assignee of its intent to purchase within a one (1) year period from
the date it is finally determined that the Partnership is required to recognize the transfer or assignment. 

  

	 	(2)	The valuation date for the determination of the purchase price of the interest will be the last day of the month preceding the month in which notice is delivered.

  

	 	(3)	Unless the Partnership and transferee or assignee agree otherwise, the purchase price for the interest, or any fraction to be acquired by the Partnership, shall be its fair market
value (the “Purchase Price”) as determined by an Appraisal as defined in Section 11.13. Furthermore, all costs, expenses and other charges of any nature incurred by the Partnership, including, but not limited to, attorney’s fees,
accounting fees, court costs and appraisal fees, as a result of the Partnership challenging a transfer or assignment of Limited Partnership Interest by a Partner which is not authorized by this Agreement shall directly reduce the Purchase Price of
the Partnership Interest. 

  

	 	(4)	Closing of the sale will occur at the principal office of the Partnership within thirty (30) days following the month in which the final Appraisal is rendered.

  

	 	(5)	In order to reduce the burden upon the resources of the Partnership, the Partnership will have the option, to be exercised in writing delivered at closing, to pay its purchase money
obligation in fifteen (15) equal annual installments (or the remaining term of the Partnership if less than fifteen (15) years) as evidenced by the Partnership’s promissory note, which shall be a general unsecured obligation of the
Partnership. The interest rate on such note shall be set for the full term of such note based on the “Applicable Federal Rate” as defined under §1274(d) of the Code at the time of Closing. The first installment of principal, with
interest, will be due and payable on the first day of the calendar year following closing, and subsequent annual installments, with accrued interest, will be due and payable on the first day of each succeeding calendar year until the entire amount
of the obligation is paid. The Partnership will have the right to prepay all or any part of the purchase money obligation at any time without penalty. 

  

	 	(6)	 Upon approval of a Majority Interest, ignoring the Partnership Interest of the Partner whose interest is to be acquired, the General Partner may assign the
Partnership’s option to purchase to one or 

  

 LIMITED PARTNERSHIP AGREEMENT 
 MST Production, Ltd./05.305 
 Page 22 

 
more of the remaining Partners and when done, any rights or obligations imposed upon the Partnership will instead become, by substitution, the rights and
obligations of the Partners who are assignees. 
  

	 	(7)	Neither the transferee nor assignee of an unauthorized transfer or assignment or the Partner causing the transfer or assignment will have the right to vote on Partnership matters
during the prescribed option period, or after the option period if the option is not exercised by the Partnership, unless the provisions of Section 11.5 are satisfied. 

  
 Appraisal 
  
 11.13    Within ten (10) days after an appraisal (herein referred to as “Appraisal”) is required under Subsection
11.12(3), the assignee or transferee shall hire a qualified, independent third party appraiser to value the assignee’s or transferee’s Partnership Interest. The assignee’s or transferee’s appraiser shall value the Limited
Partnership Interest by determining the price a willing buyer would pay the Partner for such Partner’s Limited Partnership Interest taking into account the terms and provisions of this Agreement. Formal written notice of the value of the
assignee’s or transferee’s Partnership Interest as determined by assignee’s or transferee’s appraiser shall promptly be submitted to the Partnership. If the Partnership is not satisfied with the appraised value, the Partnership
shall select a qualified third party appraiser to value the Partnership Interest. The Partnership’s appraiser shall value the assignee’s or transferee’s Partnership Interest in the manner provided herein. A formal written notice of
the value of the assignee’s or transferee’s Partnership Interest, as determined by the Partnership’s appraiser shall promptly be submitted to the assignee or transferee. If the assignee or transferee is not satisfied with the
appraised value, the Partnership’s appraiser and the assignee’s or transferee’s appraiser shall select a qualified third party appraiser to value the assignee’s or transferee’s Partnership Interest. The average of the value
of the three appraisals completed by the assignee’s or transferee’s appraiser, the Partnership’s appraiser, and the third appraiser will be the fair market value of the assignee’s or transferee’s Partnership Interest. All
costs and expenses incurred as a result of the above described appraisals shall be the obligation of the assignee or transferee. However, in the event the Partnership incurs any costs and expenses for the above described appraisals, as provided in
Section 11.12(3), all costs and expenses incurred by the Partnership as a result of the appraisals shall reduce the Purchase Price. 
  
 ARTICLE 12 
  
 DISSOLUTION AND WINDING UP OF THE PARTNERSHIP 
  
 Dissolution of Partnership 
  
 12.1    The Partnership shall be dissolved on the first of the following to occur: 
  

	 	(1)	Upon the agreement of (i) the General Partner and (ii) all of the Limited Partners. 

  

	 	(2)	A General Partner withdraws as a General Partner as provided in this Agreement. 

  

	 	(3)	A court of competent jurisdiction finds and decrees that it is not reasonably practicable to carry on the business of the Partnership in conformity with this Agreement as it may be
amended from time to time. 

  

	 	(4)	The Partnership has not been able to pay its debts as they have come due for a continuous period of ninety (90) days. 

  

 LIMITED PARTNERSHIP AGREEMENT 
 MST Production, Ltd./05.305 
 Page 23 

	 	(5)	The Partnership makes a general assignment of Partnership assets for the benefit of creditors. 

  

	 	(6)	The Partnership files a voluntary bankruptcy petition. 

  

	 	(7)	The Partnership becomes the subject of an order for relief or is declared insolvent in any federal or state bankruptcy or insolvency proceeding. 

  

	 	(8)	The Partnership files a petition or answer seeking a reorganization, arrangement, composition, readjustment, liquidation, dissolution, or similar relief for the Partnership under
any law. 

  

	 	(9)	The Partnership seeks, consents to, or acquiesces in the appointment of a trustee, receiver, or liquidator of the Partnership or of all or any substantial part of the
Partnership’s properties. 

  
 Continuation of
Business and Reconstitution of Partnership 
  
 12.2    On the withdrawal of a General Partner, the Partnership may be reconstituted and its business continued without being wound up if one or both of the following occur: 
  

	 	(1)	There remains at least one General Partner and the remaining General Partner or Partners carry on the Partnership business. 

  

	 	(2)	Within ninety (90) days after the withdrawal of a General Partner, all the Partners agree in writing to continue the Partnership business to some extent and appoint one or more
General Partners if there are no remaining General Partners after the withdrawal. 

  
 Winding Up Partnership Business 
  
 12.3    If the Partnership is dissolved and not reconstituted, the Partnership’s affairs shall be wound up as soon as is reasonably practicable. The winding up shall be accomplished by the General Partner who has
not wrongfully dissolved the Partnership, or if there is no General Partner who has not wrongfully dissolved the Partnership, by a person selected by a majority in interest of the Limited Partners. If no General Partner winds up the Partnership
affairs, the person winding up the Partnership need not be a commercial corporate trustee, and need not be bonded. The person winding up the Partnership’s affairs shall have the full and unlimited rights and powers, in the name of and for and
on behalf of the Partnership, to: 
  

	 	(1)	Prosecute and defend civil, criminal, or administrative actions. 

  

	 	(2)	Collect Partnership assets including obligations owed to the Partnership. 

  

	 	(3)	Settle and close the Partnership’s business. 

  

	 	(4)	Dispose of and convey the Partnership’s property for cash or for other property. 

  

	 	(5)	Discharge the Partnership’s liabilities. 

  

	 	(6)	Distribute any remaining Partnership assets to Partners. 

  

 LIMITED PARTNERSHIP AGREEMENT 
 MST Production, Ltd./05.305 
 Page 24 

	 	(7)	Prepare and file a certificate of cancellation, tax returns, and any other instruments as necessary, appropriate, or convenient under the laws of the State of Texas and of any other
states where the Partnership transacted business. 

  
 On winding up the Partnership, no Partner shall be liable to the Partnership for the repayment of any deficit in such Partner’s capital account. 
  

Upon any liquidation, the General Partner or the liquidator, as the case may be, shall cause all non-cash assets of the Partnership to be disposed of
for cash in a commercially reasonable manner, as determined in accordance with the provisions of the Uniform Commercial Code relating to the sale of collateral as in effect in the State of Texas, and with the goal of maximizing the proceeds thereof
to the Partnership. 
  
 The person or persons who wind up the
Partnership affairs shall cause an accounting of the Partnership to be made and distributed to each Partner and former Partner and assignee of a Partnership interest who might have received any distribution on winding up, regardless of whether they
actually receive any distribution on winding up. 
  
 Person
Winding Up Business Other Than General Partner 
  
 12.4    If a person other than a General Partner winds up the Partnership business, referred to in this Agreement as the “Liquidator,” the Liquidator shall receive reasonable compensation for services rendered
and costs incurred. The Liquidator shall be liable for a breach of duty of a General Partner as provided in this Agreement, but shall not be liable as a General Partner for Partnership obligations. The provisions of this Agreement relating to
indemnification shall apply to the Liquidator. 
  
 Disposition
of Assets 
  
 12.5    On the winding up
of the Partnership, the assets shall be liquidated for cash as set forth in Section 12.3 and paid to the following groups in the following order of priority: 
  

	 	(1)	To the extent permitted by law, to satisfy Partnership liabilities to creditors (except as to Partners for past due Partnership distributions including distributions on withdrawal),
whether by payment or establishment of reserves. 

  

	 	(2)	To satisfy Partnership obligations to Partners or former Partners to pay past due Partnership distributions, including distributions on withdrawal. 

  

	 	(3)	To return capital contributed by Limited Partners, to the extent contributions from these Partners have not been returned previously. 

  

	 	(4)	To return capital contributed by the General Partner, to the extent contributions from these Partners have not been returned previously. 

  

	 	(5)	To distribute the remainder to Partners in the same proportion as the distribution of net profits and losses as provided in this Agreement. 

  

	 	(6)	The claims of each priority group shall be satisfied before satisfying any claims of a lower priority group. If the assets available for disposition are insufficient to dispose of
all of the claims of a priority group of distributees under this Section 12.5, the available assets shall be distributed in proportion to the rights of each member of the last priority group receiving assets in the winding up.

  

 LIMITED PARTNERSHIP AGREEMENT 
 MST Production, Ltd./05.305 
 Page 25 

 12.6    Distributions on withdrawal include distributions due to voluntary
withdrawal, removal, death, incompetence, or other reason. For the purpose of distribution of assets on winding up of the Partnership’s affairs, the Partnership’s obligations relating to the withdrawal of Partners shall be accelerated so
that the obligations are due in full upon winding up, regardless of any provisions in this Agreement or any note or agreement based on this Agreement for installment payments. 
  
 Waiver of Partition 
  
 12.7    Regardless of any provision of law to the contrary, each Partner hereby waives any right to require or cause any Partnership
property to be partitioned or distributed in kind, except as provided in this Agreement. If any person brings an action in violation of this Section, the General Partner or Partners shall request the court to stay or dismiss the action. 

 
 ARTICLE 13 
  
 MISCELLANEOUS PROVISIONS 
  
 Amendment 
  
 13.1    The Partnership’s Certificate of Limited
Partnership shall be amended whenever required by the TRLPA or otherwise by law. Both this Agreement and the Certificate of Limited Partnership may be amended without the consent or vote of any Limited Partner to effect any changes required by law
or changes which do not materially and adversely affect the rights of the Limited Partners. 
  
 13.2    Amendments other than those set forth in Section 13.1 must be approved by (a) the General Partner and (b) all of the Limited Partners; provided, however, no amendment
hereunder which increases the obligation of the Limited Partners to make capital contributions pursuant to Article 4 hereof shall be effective unless approved by all the Limited Partners. 
  
 Notices 
  
 13.3    Except as may be otherwise specifically provided in this Agreement, all notices required or permitted in this Agreement shall
be in writing and shall be effective three (3) calendar days after deposit in the United States mail, postage prepaid, registered or certified mail, return receipt requested, properly addressed to the intended recipient at the address shown in
the Partnership records. Notice given in any other manner shall be effective only if and when received by the addressee. A Partner may change such Partner’s address by giving notice to the General Partner as provided in this Section.

  
 Texas Law to Apply 
  
 13.4    This Agreement shall be construed in accordance
with the laws of the State of Texas. 
  
 Other Instruments

  
 13.5    The Partners shall execute
any other instruments that are or may become necessary, appropriate, or convenient to carry out the business of the Partnership. A Partner may execute any instrument related to the Partnership by means of a power of attorney if an original executed
copy of the power of attorney is provided to a General Partner to be kept with the Partnership records. 
  

 LIMITED PARTNERSHIP AGREEMENT 
 MST Production, Ltd./05.305 
 Page 26 

 Headings 
  

13.6    The headings used in this Agreement are used for convenience and shall not be considered in construing the terms of this
Agreement. 
  
 Parties Bound 
  
 13.7    This Agreement shall be binding upon and inure
to the benefit of the parties who execute this Agreement and their respective heirs, executors, administrators, legal representatives, successors, and assigns except as otherwise provided in this Agreement. The death, disability, or other change in
circumstances relating to a Partner shall not affect the rights and obligations of the Partner or the Partner’s legal representative or successor. The liability of the executor or other legal representative of a deceased General Partner shall
be limited to the extent of the deceased Partner’s capital in the Partnership plus the estate’s assets. 
  
 Prior Agreements Superseded 
  
 13.8    This Agreement contains the entire agreement between the Partners and supersedes any prior understandings or written or oral agreements between the parties relating to the subject matter of
this Agreement, except as may be otherwise provided in this Agreement. 
  
 Legal Construction 
  
 13.9    If any of the provisions in this Agreement is held to be invalid, illegal, or unenforceable in any respect for any reason, such invalidity, illegality, or unenforceability shall not affect any other provision and
this Agreement shall be construed as if the invalid, illegal, or unenforceable provision had not been included in the Agreement. 
  
 Attorney’s Fees 
  
 13.10    If there is any action, suit, arbitration, or other proceeding between Partners relating to the Partnership, or between the
Partnership and one or more Partners relating to the Partnership business, the prevailing party shall be entitled to recover reasonable attorney’s fees in addition to any other relief ordered. 
  
 Counterparts 
  
 13.11    This Partnership Agreement may be executed in
any number of counterparts and each counterpart shall be deemed to be an original for all purposes. 
  
 Gender 
  
 13.12    Wherever the context requires, all words in this Agreement in the male gender shall be deemed to include the female or neuter gender, all singular words shall include the plural, and all plural words shall
include the singular. 
  

 LIMITED PARTNERSHIP AGREEMENT 
 MST Production, Ltd./05.305 
 Page 27 

 Arbitration 
  
 13.13    In the event of any dispute between or among any of the parties to this Agreement, the parties
involved in such dispute shall use good faith efforts to resolve the dispute. If the dispute cannot be so resolved, the dispute shall be submitted to binding arbitration. Such arbitration shall be conducted by a single arbitrator (the
“Arbitrator”) in accordance with the Commercial Rules of the American Arbitration Association (the “AAA”) in effect from time to time and the following provisions: 
  

	 	(1)	In the event of any conflict between the Commercial Rules in effect from time to time and the provisions of this Agreement, the provisions of this Agreement shall prevail and be
controlling. 

  

	 	(2)	The parties shall commence the arbitration by jointly filing a written submission with the Fort Worth, Texas, office of the AAA in accordance with Commercial Rule 5 (or any
successor provision). 

  

	 	(3)	No depositions or other discovery shall be conducted in connection with the arbitration. 

  

	 	(4)	Not later than thirty (30) days after the conclusion of the arbitration hearing, the Arbitrator shall prepare and distribute to the parties a writing setting forth the arbitral
award and the Arbitrator’s reasons therefor. Any award rendered by the Arbitrator shall be final, conclusive and binding upon the parties, and judgment thereon may be entered and enforced in any court of competent jurisdiction, provided that
the Arbitrator shall have no power or authority to (a) award damages in excess of the portion of any damages originally claimed in connection with such dispute, (b) award multiple, consequential, punitive or exemplary damages, or
(c) grant injunctive relief, specific performance or other equitable relief. 

  

	 	(5)	The Arbitrator shall have no power or authority, under the Commercial Rules or otherwise, to (a) modify or disregard any provision of this Agreement or (b) address or
resolve any issue not submitted by the parties. 

  

	 	(6)	In connection with any arbitration proceeding pursuant to this Agreement, each party shall bear its own costs and expenses, except that the fees and costs of the AAA and the
Arbitrator, the costs and expenses of obtaining the facility where the arbitration hearing is held, and such other costs and expenses as the Arbitrator may determine to be directly related to the conduct of the arbitration and appropriately borne
jointly by the parties (which shall not include any party’s attorneys’ fees or costs, witness fees, if any, costs of investigation and similar expenses) shall be shared equally by the parties to such proceeding. 

 
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 LIMITED PARTNERSHIP AGREEMENT 
 MST Production, Ltd./05.305 
 Page 28 

 IN WITNESS WHEREOF, the parties have signed this Partnership Agreement on the date and year first above
written. 
  

			
	 	 	 GENERAL PARTNER:
  
 MST GP, LLC
  
 By:   /s/  Daniel J.
Eastman                 
         Daniel J. Eastman, President
  
 LIMITED PARTNERS:
  
 MICROGY, INC.
  
 By:   /s/  Randall L.
Hull                     
         Randall L. Hull, President
  
 SOUTH-TEX TREATERS, INC.
  
 By:   /s/  David C. Morrow                 
         David C. Morrow, President

  

 LIMITED PARTNERSHIP AGREEMENT 
 MST Production, Ltd./05.305 
 Page 29 

 EXHIBIT “A” 
  
 GENERAL PARTNER 
  
 MST GP, LLC 
 P. O. Box 60480 
 Midland, Texas 79711 
  

 LIMITED PARTNERSHIP AGREEMENT 
 MST Production, Ltd./05.305 
 Page 30 

 EXHIBIT “B” 
  
 LIMITED PARTNERS 
  
 MICROGY, INC. 
 c/o Environmental Power Corporation 
 One Cate Street, 4th Floor 
 Portsmouth, New Hampshire
03801 
 Attention: President 
  
 SOUTH-TEX TREATERS, INC. 
 P.O. Box 60480 
 Midland, Texas 79711 
  

 LIMITED PARTNERSHIP AGREEMENT 
 MST Production, Ltd./05.305 
 Page 31 

 EXHIBIT “C” 
  

					
	 Name of Partner

	 	 Description of Initial
 Contribution

	 	 Agreed Value of
 Contribution

	 General Partner:
	 	 	 	 
	 MST GP, LLC
	 	Cash	 	$       10.00
			
	 Limited Partners:
	 	 	 	 
	 MICROGY, INC.
	 	Cash	 	$ 5,950.00
	 SOUTH-TEX TREATERS, INC.
	 	Cash	 	$ 3,950.00

	

  

 LIMITED PARTNERSHIP AGREEMENT 
 MST Production, Ltd./05.305 
 Page 32 

 EXHIBIT “D” 
  

							
	 Name of Partner

	 	 Total Agreed Value
 of Contributions

	 	 Percentage Interest

	 	 Class of Partner

	 MST GP, LLC
	 	$       10.00	 	1%	 	General Partner
				
	 MICROGY, INC.
	 	$ 5,950.00	 	59.5%	 	Limited Partner
				
	 SOUTH-TEX TREATERS, INC.
	 	$ 3,950.00	 	39.5%	 	Limited Partner

  

 LIMITED PARTNERSHIP AGREEMENT 
 MST Production, Ltd./05.305 
 Page 33 

 EXHIBIT “E” 
  
 DIGESTER FACILITY 
  
 Approximately eight (8) anaerobic digesters using Microgy’s anaerobic digestion technology licensed from Danish Biogas Technology A/S, having the capacity to
process the manure from up to 1,250 cows each, or up to a total of 10,000 cows. 
  

 LIMITED PARTNERSHIP AGREEMENT 
 MST Production, Ltd./05.305 
 Page 34 

 EXHIBIT “F” 
  
 GAS TREATMENT FACILITY 
  
 Gas recovery plant, compression equipment, and a pipeline sufficient to process and transport the biogas output of the Digester Facility. 
  

 LIMITED PARTNERSHIP AGREEMENT 
 MST Production, Ltd./05.305 
 Page 35MST GP LLC REGULATIONS

 Exhibit 10.85 
  
 REGULATIONS OF 
  
 MST GP, LLC 
  
 I. COMPANY NAME AND PURPOSE 
  
 1.01. Definition. The company is a domestic limited liability company as that term is defined and regulated by the Texas Limited Liability Company Act. 
  
 1.02. Purpose. The company’s purpose is to: Transact any and all
lawful business for which limited liability companies may be organized under the laws of Texas, including but not limited to the following: 
  
 a. To act as General Partner of MST Production, Ltd., a Texas limited partnership (the “Limited Partnership”); 
  
 b. To carry on any business or any other legal or lawful activity allowed by
law; 
  
 c. To acquire, own, use, convey, and otherwise dispose of
and deal in real or personal property or any interest in such property; 
  
 d. To manufacture, buy, sell, and generally deal in goods, wares and merchandise of every class and description; 
  
 e. To buy, rent, sell, manufacture, produce, assemble, distribute, repair, and service any and all products the company desires to produce, and to provide
any and all services the company desires to provide; 
  
 f. To do
such other acts as are incidental to the foregoing or desirable in order to accomplish the purpose for which the company was formed; 
  
 g. To have and exercise all rights and powers which are now or may hereafter be granted to a limited liability company by law. 
  
 1.03. Name in These Regulations. The name of this limited liability
company is “MST GP, LLC”. This limited liability company is referred to in these regulations as the “Company”. 
  
 II. MANAGERS 
  
 2.01. Management. The Company shall be managed by a Manager or Managers. Managers are not required to be residents of Texas nor are they required
to be Members of the Company. 
  

 1 

 2.02. Number. There shall be no less than two (2) Managers and no more than six
(6) Managers. The number of initial Managers shall be stated in the Articles of Organization, thereafter, the Members shall determine by resolution the number of Managers, which number shall not be increased except upon the unanimous vote of
all Members. 
  
 2.03. Manager’s Powers. The Managers
have the authority to authorize the officers of the Company to execute documents and instruments for the acquisition, mortgage, or disposal of property on behalf of the Company. 
  
 III. ELECTION OF MANAGERS 
  
 3.01. Majority Vote Required. Managers are elected by a majority vote of the Members of the Company. Each Member shall have the right to elect that
number of Managers as most closely corresponds to the percentage of outstanding membership interests held by such Member, so that for example, each of the Initial Members (as referred to in Section 6.02) shall be entitled to elect fifty percent
(50%) of the Managers, and each Member agrees to vote all membership interests held by him, her or it in favor of such Managers as the other Members may have the right to designate pursuant to this Section 3.01. 
  
 3.02. Cumulative Voting. Cumulative voting is not permitted. The
Members shall be entitled to vote the percentage of membership interest owned by such Member for as many persons as there are Managers to be elected. 
  
 3.03. Time of Election. Election of Managers shall occur at any of the following times: 
  
 a. the annual meeting; 
  
 b. regular meetings of the Members; or 
  
 c. any special meeting of the Members. 
  
 IV. MANAGER’S MEETINGS, COMPENSATION AND COMMITTEES 
  
 4.01. Place of Meeting. Managers’ Meetings, regular or special,
may be held either in or outside the State of Texas. 
  
 4.02.
Presence at Meeting. Managers may attend and participate in these meetings in person or by use of electronic telephone or video conferencing equipment. 
  

4.03. Notice of First Meeting. The first meeting of the newly elected Managers shall be held without further notice immediately following the
annual meeting of Members. 
  

 2 

 a. The meeting shall be held at the same place as the annual meeting, unless by unanimous consent of the
Managers then elected and serving, such time or place shall be changed. 
  
 4.04. Regular Meetings. A regular meeting of the Managers may be held at such time as shall be determined from time to time by resolution of the Managers. 
  
 4.05. Special Meetings. The Secretary shall call a special meeting of the Managers whenever requested to do so by the
President or by any Manager. 
  
 a. Such meeting shall be held at
the time stated in the notice of meeting. 
  
 b. The purpose,
place and time of the meeting shall be stated in a notice. 
  
 4.06. Required Notice. All meetings of the Managers (annual, regular or special) shall be held upon ten days’ written notice stating the date, time, place and purpose of the meeting. 
  
 a. The notice shall be delivered to each Manager either personally or by mail
or at the direction of the President or the Secretary or the officer or person calling the meeting. 
  
 b. If all of the Managers execute a waiver of notice of the meeting, no notice is required. Accordingly the meeting (whether annual, regular or special)
shall be held at the time and at the place (either within or without the State of Texas) stated in the waiver of notice. 
  
 c. Attendance of Managers at any meeting shall constitute a waiver of notice of such meeting, except where the Managers attend a meeting for the express
purpose of objecting to the transaction of any business on the ground that the meeting is not lawfully called or convened. 
  
 4.07. Consent without Meeting. Any action required by statute to be taken at a meeting of the Managers, or any action which may be taken at a
meeting of the Managers, may be taken without a meeting if a consent in writing, setting forth the action so taken, shall be signed by all the Managers. 
  
 a. All consents shall have the same force and effect as a unanimous vote at a meeting. 
  
 4.08. Quorum. A majority of the Managers constitutes a quorum for the transaction of business at all meetings of the
Managers unless a greater number is required by law or by the Articles of Organization. 
  
 a. The act of a majority of the Managers present at any meeting at which a quorum is present shall be the act of the Managers unless the act of a greater number is required by statute, by the Articles of Organization
or by these Regulations. 
  

 3 

 b. If there is no quorum at a meeting of the Managers, then the meeting shall adjourn and a new notice be
sent for a new meeting. If there is no quorum present at the successor meeting, then a majority of those present shall constitute a quorum, unless this action is prohibited by law. 
  
 4.09. Minutes. The Managers shall keep regular minutes of their proceedings and shall place those minutes in the
Company’s minute book. 
  
 4.10. Committees. The
Managers may designate from among the Managers one or more committees, each of which shall be comprised of one or more of its Managers. 
  
 Any such committee, to the extent provided in such resolution or the Articles of Organization or by these Regulations, shall have and may exercise all of
the authority of the Managers in the management of the business and affairs of the Company, subject to the limitations set forth in the Texas Limited Liability Company Act, and all amendments thereto. 
  
 Each such committee shall keep regular minutes of its proceedings and report
the same to the Managers when required. 
  
 Any members of any
such committee may be removed by the Managers by the affirmative vote of a majority of the Managers, whenever in their judgment the best interests of the Company will be served thereby. 
  
 The designation of one or more committees and the delegation of authority to any such committee shall not operate to relieve
the Managers of any responsibility imposed upon them by law. 
  
 V.
MANAGER’S RESIGNATIONS, VACANCIES AND REMOVAL 
  
 5.01.
Resignation. Any Manager may resign at any time. 
  
 a.
Such resignation shall be made in writing and shall take effect at the time stated in the resignation. 
  
 b. If the resignation does not state the time that the resignation becomes effective, then the resignation shall be effective at the date and time when it
is delivered to the Company. 
  
 5.02. Vacancy. Any vacancy
occurring in the Managers may be filled by the Member who appointed the resigning Manager. 
  

 4 

 a. A Manager elected to fill a vacancy shall be elected for the unexpired term of his predecessor in
office. 
  
 5.03. Removal. Any and all Managers may be
removed, either for or without cause, at any special meeting of Members by the vote of the Member who appointed such Manager. 
  
 a. Notice of the date, time, place and purpose of the meeting shall be given to both the Members and the Managers. 
  
 b. The vacancy caused by such removal shall be filled by the vote of the
Member who appointed such Manager. 
  
 VI. MEMBERS 
  
 6.01. Becoming a Member. A person acquiring an interest as a Member
becomes a Member on the date he, she or it receives a certificate evidencing membership in the Company. Notwithstanding the foregoing, no new membership interests may be issued by the Company without the prior written consent of all of the Members
holding the then outstanding membership interests. 
  
 6.02.
Initial Members. The Initial Members and their respective percentages of membership interests, are as set forth on Exhibit “A” hereto. All other Members, if any, shall be designated as new Members. 
  
 6.03. Capacity. Except as may be required elsewhere in these
Regulations, any person may be a Member unless the person lacks capacity apart from the Texas Limited Liability Company Act, as amended from time to time. 
  
 6.04. Classes or Groups of Members. Unless prohibited by law or the Articles of Organization, one class of Members is established. 
  
 6.05. Place and Manner of Meetings. All meetings of the Members shall
be held at such time and place, within or without the State of Texas, as shall be stated in the notice of the meeting or in a duly executed waiver of notice thereof. 
  
 a. Members may participate in such meetings by means of conference telephone or similar communications equipment by means of
which all persons participating in the meeting can hear each other, and participation in a meeting as provided herein shall constitute presence in person at such meeting except where a person participates in the meeting for the express purpose of
objecting to the transaction of any business on the ground that the meeting is not lawfully called or convened. 
  
 6.06. Annual Meeting. The annual meeting of the Members for the election of 

  

 5 

 
Managers and for the transaction of all other business that may come before the meeting shall be held in the month of March of each year on the day and at
the hour specified in the notice of the meeting. 
  
 a. If the
annual meeting is not held on the date above specified, or if the election of Managers shall not be held on that date, the Managers shall cause a special meeting of the Members in lieu thereof to be held as soon thereafter as convenient, and any
business transacted or election held at that meeting shall be as valid as if held at the annual meeting. 
  
 b. Failure to hold the annual meeting at the designated time shall not work a dissolution of the Company. 
  
 6.07. Voting Lists. The officer or agent having charge of the records
reflecting the membership interest of each Member of each class, if more than one class, shall make, at least ten (10) days before each meeting of Members, a complete list of the Members, entitled to vote at such meeting or any adjournment
thereof. 
  
 a. The list shall be arranged in alphabetical order
with the address of and percentage of membership interest of each Member of each class. 
  
 b. The list shall be kept on file at the registered office of the Company and shall be subject to inspection by any Member at any time during usual business hours. 
  
 c. Such list shall also be produced and kept open at the time and place of
the meeting and shall be subject to the inspection of any Member during the whole time of the meeting. 
  
 d. The original records reflecting the membership interest of each Member of each class, if more than one class, shall be prima-facie evidence as to who
are the Members entitled to examine such list or records or to vote any meeting of Members. 
  
 e. Failure to comply with the requirements of this Article shall not affect the validity of any action taken at such meeting. 
  
 6.08. Special Meetings. Special meetings of the Members may be called at any time by the President or by any Manager. 
  
 a. Special meetings of Members may also be called by the Secretary upon the
written request of the holders of at least twenty percent of the membership interests entitled to be voted at such meeting. 
  
 b. The request shall state the purpose or purposes of such meeting and the matters proposed to be acted on. 
  

 6 

 6.09. Notice. Written or printed notice stating the place, day, time and purpose of the meeting
shall be delivered not less than ten (10) nor more than sixty (60) days before the date of the meeting either personally or by mail, by or at the direction of the President, the Secretary or the officer or person calling the meeting, to
each Member entitled to vote at the meeting. 
  
 a. This notice
may be waived as provided in these Regulations. 
  
 b. If the
notice is mailed, such notice shall be deemed to be delivered when deposited in the United States mail addressed to the Member at his address as it appears on the records of the Company, with postage thereon prepaid. 
  
 c. Any notice required to be given to any Member hereunder or under the
Articles of Organization need not be given to the Member if: 
  
 (1) Notice of three (3) consecutive annual meetings of the Company and all notices of meetings held during the period between those annual meetings have been mailed to that person, addressed at his or her address as shown on the
records of the Company, and have been returned undeliverable. 
  
 (2) Any action or meeting taken or held without notice to such person shall have the same force and effect as if the notice had been duly given. 
  
 6.10. Quorum of Members. The holders of at least a majority of the membership interest entitled to vote, represented in person or by proxy, shall
constitute a quorum at a meeting of Members. 
  
 a. In no event
shall a quorum consist of the holders of less than a majority of the membership interests entitled to vote and thus represented at such meeting. 
  
 b. The vote of the holders of a majority of the membership interests entitled to vote and represented at a meeting at which a quorum is present shall be
the act of the Members’ meeting, unless the vote of a greater number is required by law, the Articles of Organization or these Regulations. 
  
 6.11. [Reserved] 
  
 6.12. Voting of Membership Interests. Each outstanding membership interest shall be entitled to vote the percentage of membership interest owned by
such Member on each matter submitted to a vote at a meeting of Members, except to the extent that the voting rights of the membership interest are limited or denied by the Articles of Organization or by law. 
  
 6.13. Proxy Voting. A Member may vote either in person or by proxy
executed in writing by the Member or by his duly authorized attorney in fact. 
  

 7 

 a. No proxy shall be valid after eleven (11) months from the date of its execution unless otherwise
provided in the proxy. 
  
 b. Each proxy is revocable unless the
proxy form conspicuously states that the proxy is irrevocable and the proxy is coupled with an interest. 
  
 c. At each election for Managers, each Member shall be entitled to vote for the election of an equal number of Managers, so that one-half (1/2) of
the Managers may be elected by each Member. 
  
 6.14. Closing
Record Books and Fixing Record Date. For the purpose of determining Members entitled to notice of or to vote at any meeting of Members, the Managers may provide that the record books shall be closed for a stated period not exceeding thirty
(30) days. 
  
 a. If the record books are closed for the
purpose of determining Members entitled to notice of or to vote at a meeting of Members, such books shall be closed for at least ten (10) days immediately preceding such meeting. 
  
 b. In lieu of closing the record books, these Regulations or in the absence of an applicable Regulation, the Managers may
fix in advance a date as the record date for any such determination of Members, such date in any case to be not more than thirty (30) days and in the case of a meeting of Members, not less than ten (10) days prior to the date of which the
particular action requiring such determination of Members is to be taken. 
  
 c. If the record books are not closed and no record date is fixed for the determination of Members entitled to notice of or to vote at a meeting of Members, or Members entitled to receive distribution, the date on
which notice of the meeting is mailed or the date on which the resolution of the Managers declaring such distribution is adopted, as the case may be, shall be the record date for such determination of Members. 
  
 d. When a determination of Members entitled to vote at any meeting of Members
has been made as provided in this section, such determination applies to any adjournment thereof, except where the determination has been made through the closing of record books and the stated period of closing has expired. 
  
 6.15. Fixing Record Dates for Consents to Action. Unless a record date
has been previously fixed or determined in these regulations, whenever action by Members is proposed to be taken by consent in writing without a meeting of Members, the Managers may fix a record date for purposes of determining Members entitled to
consent to that action. 
  

 8 

 a. This record date may not precede, and may not be more than ten days after, the date upon which the
resolution fixing the record date is adopted by the Managers. 
  
 b. If no record date has been fixed by the Managers and the prior action of the Managers is not required by the Texas Limited Liability Company Act, and any amendments thereto, the record date for determining Members entitled to consent to
action in writing without a meeting shall be the first date on which a signed written consent setting forth the action taken or proposed to be taken is delivered to the Company by delivery to its registered office, its principal place of business,
or an officer of the Company having custody of the books in which proceedings of meetings of Members are recorded. 
  
 c. Delivery shall be by hand or by certified or registered mail, return receipt requested. Delivery to the Company’s principal place of business
shall be addressed to the president or the principal executive officer of Company. 
  
 d. If no record date has been fixed by the Managers and prior action of the Managers is required by the statute, the record date for determining Members entitled to consent to action in writing without a meeting shall
be at the close of business on the date on which the Managers adopt a resolution taking such prior action. 
  
 6.16. Action without Meeting. Any action that is required to be taken at a meeting of the Members by law or by the Texas Limited Liability Company
Act, may be taken by signing a consent to the action in lieu of attending the meeting. 
  
 a. Every written consent pursuant to this Section shall be signed, dated and delivered to the Company’s administrative offices. 
  
 6.17. Percentage of Membership Interest. For purposes of these Regulations, a Member’s “percentage of
membership interest” shall equal a fraction (represented as a percentage), the numerator of which is the number of units held by such Member as of the record date divided by the total of all units of the Company issued and outstanding as of the
record date. 
  
 VII. ASSIGNMENT AND CANCELLATION OF A MEMBERSHIP
INTEREST 
  
 7.01. Assignability. Membership interests
shall be assignable only after the provisions of this Section 7.01 have been fully complied with. 
  
 a. All membership interests shall be accepted and held subject to a preferential right of the Company to purchase in the event any Member is desirous of
selling such Member’s membership interest. No membership interests shall be sold without first being offered in writing to the Company at the same price and terms at which same is proposed to be sold to any bona fide purchaser. Such notice to
the Company shall include 

  

 9 

 
the terms of any bona fide offer as well as the name of the person who made the offer. The Company shall have thirty (30) days within which to reject or
exercise such option and preference right to purchase all (but not less than all) of the membership interest proposed to be sold (hereinafter the “offer period”). 
  
 b. In the event the Company does not elect to purchase all of the membership interest proposed to be sold, then the Members
of the Company shall have a second preferential right for an additional period of fifteen (15) days to purchase all (but not less than all) of the membership interest being offered for sale in accordance with their then pro rata ownership of
the Company’s membership interests (hereinafter the “second offer period”). 
  
 c. The above provisions shall be fully binding on each Member, such Member’s successors and assigns. 
  
 d. If the Company and the Members do not exercise their option to purchase all of the membership interest of a Member desiring to sell, then such Member
may, subject to the terms and provisions hereof, assign such Member’s membership interest to the person or entity making the bona fide offer. If such assignment is not completed within thirty (30) days after the expiration of the second
offer period, then any assignment or transfer after that date shall again be subject to the restrictions set forth in this Section 7.01. 
  
 e. In the event any Member desires at any time to purchase the entire membership interest of any other Member, (hereinafter called offeror), such Member
shall submit a written proposal to such Member from whom offeror desires to purchase (hereinafter called offeree) by certified mail, setting forth offeror’s offer to purchase all (but not less than all) of the membership interest of such
offeree and the cash purchase price offered to be paid therefor. Said offeree shall, within ninety (90) days from receipt of said written proposal, (1) accept said offer, assign all of offeree’s membership interest to offeror and
receive said purchase price, or (2) notify offeror of offeree’s rejection of said proposal to purchase offeree’s membership interest and exercise offeree’s vested right (created by reason of receipt of said offer, sometimes
referred to as a “buy-sell” offer) to purchase all (but not less than all) of such offeror’s membership interest at the same cash price as was offered to offeree by offeror, in which event offeror shall be obligated to deliver all of
offeror’s certificates of membership interest, duly assigned to offeree upon tender of said cash price to offeror. A failure by offeree to timely and properly accept offeror’s written offer, or to reject it and duly effect
counter-purchase, shall be deemed for all purposes an acceptance by offeree to sell to offeror all of offeree’s membership interest upon the terms set out in such offer. 
  
 f. The provisions of this Section 7.01 may be enforced by suits for specific performance, and relief for breach hereof
shall not be limited to an action for damages only. In the event litigation is brought by any one party against another for an alleged breach of this agreement, the successful or prevailing party shall be entitled to recover, in addition to any and
all other relief herein afforded or afforded by law, the amount of reasonable attorney’s fees and litigation expenses incurred by reason of such breach. 
  

 10 

 g. Notwithstanding anything to the contrary contained herein, an offeror shall not have the right to
exercise the buy-sell offer unless such offeror simultaneously makes a buy-sell offer to purchase all (but not less than all) of the offeree’s limited partnership interest in MST Production, Ltd., and all (but not less than all) of the
offeree’s membership interest in MST Estates, LLC. Similarly, if an offeror makes a buy-sell offer to purchase all (but not less than all) of an offeree’s limited partnership interest in MST Production, Ltd., and all (but not less than
all) of an offeree’s membership interest in MST Estates, LLC, such offeror shall be deemed to have made a buy-sell offer with respect to all (but not less than all) of such offeree’s membership interests in the Company pursuant to this
Section 7.01. 
  
 h. Until the assignee becomes a Member, the
assignor Member continues to be a Member and to have the power to exercise any rights or powers of a Member, except to the extent those rights or powers are assigned. 
  
 7.02. Evidence of Membership Interest. A Member’s membership interest may be evidenced by a certificate of
membership interest issued by this Company. 
  
 7.03. Right of
an Assignee to Become a Member. 
  
 a. An assignee of a
membership interest may become a Member if and to the extent that a majority of the Managers consent. 
  
 b. It is the intent of these Regulations that the tax status of this Company be the same as for a partnership. 
  
 c. Except as allowed by the Internal Revenue Code and any corresponding rules
and regulations, it is intended that this Company shall not allow free transferability of interests, and to the extent possible, these Regulations shall be read and interpreted to prohibit the free transferability of interests of any Member.

  
 d. An assignee who becomes a Member has, to the extent
assigned, the rights and powers and is subject to the restrictions and liabilities of a Member under these Regulations and the Texas Limited Liability Company Act, as amended from time to time. 
  
 e. Unless otherwise provided by these Regulations, an assignee who becomes a
Member also is liable for the obligations of the assignor to make contributions but is not obligated for liabilities unknown to the assignee at the time the assignee became a Member and which could not be ascertained from these Regulations.

  
 f. Whether or not an assignee of a membership interest becomes
a Member, the assignor is not released from the assignor’s liability to this Company. 
  

 11 

 7.04. Cancellation of Membership Interest. In the event that a Member or an affiliate of a Member
also holds a limited partnership interest in the Limited Partnership, and such limited partnership interest is purchased by the Limited Partnership pursuant to Section 11.2(2) of the Limited Partnership Agreement, dated on or about the date of
these Regulations, relating to the Limited Partnership, then such Member’s membership interest in the Company shall automatically be cancelled, and the respective percentages of membership interests held by each Member as set forth on Exhibit
“A” hereto shall be proportionately adjusted. 
  
 VIII.
BANKRUPTCY OR DISSOLUTION OF A MEMBER 
  
 8.01. Bankruptcy or
Dissolution of Member. 
  
 a. The bankruptcy or dissolution
of a Member shall not cause a dissolution of the Company. 
  
 IX.
TAXATION 
  
 9.01. Tax Status. It is the intent of these
Regulations that the tax status of this Company be the same as for a partnership, and except as allowed by the Internal Revenue Code and any corresponding rules and regulations. 
  
 a. It is intended that this Company shall not have continuity of life and these regulations shall be read and interpreted as
to prohibit continuity of life. 
  
 X. CAPITAL ACCOUNTS OF THE
MEMBERS 
  
 10.01. Establishment of Account. A capital
account will be established for each Member and maintained in such a manner to correspond with the capital of the Members as reported for federal income tax purposes. 
  
 a. Each Member’s capital account shall be credited with the value of a Member’s contribution of cash or other
property to the Company, and shall be credited or charged annually with the Member’s distributive share of items of income, gain, loss, deduction and credit for federal income tax purposes. 
  
 b. Distributions of cash or other property to Members shall be charged
against their respective capital accounts as withdrawal of capital. 
  
 c. The federal income tax basis of a Member’s interest in the Company, of property contributed to the Company by a Member, and all other matters pertaining to the distributive share and taxation of items of income, gain, loss,
deduction and credit will be as otherwise prescribed by Subchapter K of the Internal Revenue Code. The capital accounts will not bear interest. 
  

 12 

 XI. CERTIFICATES AND MEMBERS 
  
 11.01. Certificates. Certificates in the form determined by the Managers shall be delivered representing all
membership interest to which Members are entitled. Such certificates shall be consecutively numbered, and shall be entered in the books of the Company as they are issued. 
  
 Each certificate shall state on the face thereof the holder’s name, the class of membership, the membership interest,
and such other matters as may be required by the laws of the State of Texas. 
  
 They shall be signed by an officer of the Company, and may be sealed with the seal of the Company or a facsimile thereof if adopted. The signature of such officer upon the certificates may be facsimile. 
  
 11.02. Replacement of Lost or Destroyed Certificates. The Managers may
direct a new certificate or certificates to be issued in place of any certificate or certificates previously issued by the Company alleged to have been lost or destroyed, upon the making of an affidavit of that fact by the holder of record thereof,
or his duly authorized attorney or legal representative who is claiming the certificate to be lost or destroyed. 
  
 When authorizing such issue of a new certificate or certificates, the Managers in their discretion and as a condition precedent to the issuance thereof,
may require the owner of such lost or destroyed certificate or certificates or his legal representative to advertise the same in such a manner as it shall require or to give the Company a bond with surety and in form satisfactory to the Company
(which bond shall also name the Company’s transfer agents and registrars, if any, as obligees) in such sum as it may direct as indemnity against any claim that may be made against the Company or other obligees with respect to the certificate
alleged to have been lost or destroyed, or to both advertise and also give such bond. 
  
 11.03. Transfer of Membership Interest. Upon surrender to the Company or the transfer agent of the Company of a certificate for membership interests duly endorsed or accompanied by proper evidence of
succession, assignment or authority to transfer, and the required approval of the Managers, the Company shall issue a new certificate to the person entitled to the certificate, cancel the old certificate and record the transaction upon its books.

  
 11.04. Registered Members. The Company is entitled to
treat the holder of record of any certificate or certificate of membership interest of the Company as the owner thereof for all purposes and shall not be bound to recognize any equitable or other claim to or interest in such membership interest or
any rights deriving from such membership interest on the part of any other person, including (but without limitation) a purchaser, assignee or 

  

 13 

 
transferee, unless and until such other person becomes the holder of record of such membership interest, whether or not the Company shall have either actual
or constructive notice of the interest of such person, except as otherwise provided by law. 
  
 11.05. Preemptive Rights. No Member or any other person has any preemptive right whatsoever. 
  
 11.06. Contribution. A Member’s contribution may be in cash, property, or services rendered, or a promissory note or other obligation to pay
cash or transfer property to the Company. 
  
 11.07. Liability
for Contribution Obligations. A promise by a Member to make a contribution to, or otherwise pay cash or transfer property to, the Company is not enforceable unless set out in writing and signed by the Member. 
  
 A Member or the Member’s representative or successor is obligated to the
Company to perform an enforceable promise to make a contribution to or otherwise pay cash or transfer property to the Company, notwithstanding the Member’s death, disability, or other change in circumstances. 
  
 If a Member’s legal representative or successor does not make a
contribution or other payment of cash or transfer of property required by the enforceable promise, that Member or the Member’s legal representative or successor is obligated to pay to the Company the amount owed. 
  
 A Member who fails to make a payment of cash or transfer of property to the
Company required by an enforceable promise shall be liable for damages including, without limitation, attorney’s fees incurred by the Company in connection with such failure. 
  
 11.08. Restriction upon Ownership and Transfer of Ownership Interest. The membership interest and transferability of
membership interest in the Company are substantially restricted. 
  
 Neither record title nor beneficial ownership of a membership interest may be transferred or encumbered without the consent of a majority of the Managers. 
  
 This Company is formed by a closely-held group who know and trust one another, who will have surrendered certain management
rights (in exchange for limited liability) based upon their relationship and trust. 
  
 Capital is also material to the business and investment objectives of the Company and its federal tax status. 
  

 14 

 An unauthorized transfer of a membership interest could create a substantial hardship to the Company,
jeopardize its capital base, and adversely affect its tax structure. 
  
 These restrictions upon ownership and transfer are not intended as a penalty, but as a method to protect and preserve existing relationships based upon trust and the Company’s capital and its financial ability to continue. 

 
 The ownership and transfer of a membership interest is further subject to
the following disclosure and condition: 
  
 THE MEMBERSHIP INTEREST OF THE
COMPANY HAS NOT NOR WILL BE, REGISTERED OR QUALIFIED UNDER FEDERAL OR STATE SECURITIES LAWS. THE MEMBERSHIP INTEREST OF THE COMPANY MAY NOT BE OFFERED FOR SALE, SOLD, PLEDGED, OR OTHERWISE TRANSFERRED UNLESS SO REGISTERED OR QUALIFIED, OR UNLESS AN
EXEMPTION FROM REGISTRATION OR QUALIFICATION EXISTS. THE AVAILABILITY OF ANY EXEMPTION FROM REGISTRATION OR QUALIFICATION MUST BE ESTABLISHED BY AN OPINION OF COUNSEL FOR THE OWNER THEREOF, WHICH OPINION OF COUNSEL MUST BE REASONABLY SATISFACTORY TO
THE COMPANY. 
  
 No new membership interests may be issued by the
Company without the prior written consent of all of the Members holding then outstanding membership interests. 
  
 Notwithstanding the foregoing restrictions upon transfer and ownership the following transfers are permitted. 
  
 11.09. Required Transfers. If any person or agency should acquire the
interest of a Member as the result of an order of a court of competent jurisdiction which the Company is required to recognize, or if a Member makes an unauthorized transfer of a membership interest which the Company is required to recognize, the
interest of the transferee may then be acquired by the Company upon the following terms and conditions: 
  
 The Company is entitled to acquire the membership interest by giving written notice to the transferee of its intent to purchase within sixty
(60) days from the date it is finally determined that the Company is required to recognize the transfer. 
  
 The Company will have one hundred twenty (120) days from the first day of the month following the month in which it delivers notice exercising its
option to purchase the membership interest. The valuation date for the membership interest will be the first day of the month following the month in which notice is delivered. 
  
 Unless the Company and the transferee agree otherwise, the fair market value of a Member’s membership interest is to be
determined by the written appraisal of a person or firm qualified to value this type of business. 
  

 15 

 Neither the transferee of an unauthorized transfer nor the Member causing the transfer will have the
right to vote during the prescribed option period, or if the option to purchase is timely exercised, until the sale is actually closed. 
  
 XII. OFFICERS 
  
 12.01. Number. The officers of the Company shall consist of a President, one or more Vice-Presidents, a Secretary, and a Treasurer, each of whom
shall be elected by the Managers. Such offices may be held by the same person. 
  
 12.02. Election. The Managers, at their first meeting after each annual meeting of Members, shall choose a President, one or more Vice-Presidents, a Secretary, and a Treasurer. No officers need be a Manager, a
Member, or a resident of Texas. 
  
 12.03. Other Officers.
The Managers may elect or appoint such other officers and agents as they shall deem necessary, who shall be appointed for such terms and shall exercise such powers and perform such duties as shall be determined from time to time by the Managers. Any
two or more offices may be held by the same person. 
  
 12.04.
Term. Each officer of the Company shall hold office until his successor is chosen and qualified in his stead or until his death or until his resignation or removal from office. 
  
 12.05. Removal. Any officer or agent or member of a committee elected or appointed by the Managers may be removed by
the majority vote of the Managers whenever in their judgment the best interest of the Company will be served thereby, but such removal shall be without prejudice to the contract rights, if any, of the person so removed. Election or appointment of an
officer or agent or member of a committee shall not of itself create contract rights. 
  
 12.06. Vacancies. If any office becomes vacant for any reason, the vacancy may be filled by the Managers. The officer so elected shall be elected for the unexpired term of his predecessor in office. 

 
 12.07. Compensation. The compensation of all officers and agents
shall be fixed by the Managers. 
  
 12.08. Powers. The
Managers may designate one or more persons as officers of the Company who are not Managers. 
  
 Each officer shall have, subject to these Regulations, in addition to the duties and powers specifically set forth in these regulations, such powers and duties as are commonly incident to his or her office and such
duties and powers as the Managers shall from time to time designate. 
  

 16 

 All officers shall perform their duties subject to the directions and under the supervision of the
Managers. The President may secure the fidelity of any and all officers by bond or otherwise. 
  
 12.09. Chairperson. The Chairperson, if there shall be such an officer, shall, if present, preside at all meetings of the Managers and exercise and perform such other powers and duties as may from time to time
be assigned to the Chairperson or prescribed by these Regulations. 
  
 12.10. President. Subject to the supervisory powers, if any, as may be given by the Managers to the Chairperson, if there be such an officer, the President shall be the chief executive officer of the Company, and subject to the
control of the Managers, shall, in general, supervise and control all of the business and affairs of the Company. 
  
 The President shall preside at all meetings of the Members and the Managers in the absence of the Chairperson. The President or any Vice-President
together with the Secretary or any Assistant Secretary may execute certificates of membership of the Company, any deeds, mortgages, bonds, contract or other instrument, in the name of the Company, which the Managers have authorized to be executed,
except in cases where the signing and execution thereof shall be delegated by the Managers or by these Regulations to some other officer or agent of the Company, or shall be required by law to be otherwise signed and executed. 
  
 12.11. Vice-Presidents. In the absence or disability of the President,
the Vice-President shall perform all the duties of the President. If there is more than one Vice-President, the Senior Vice-President (in order of their rank as fixed by the Managers, or if not ranked, the Vice-President designated by the Managers)
shall perform all the duties of the President. When so acting such person shall have all the powers of and be subject to all the restrictions upon the President. 
  
 The Vice-Presidents shall have such other powers and perform such other duties as from time to time may be prescribed for
them respectively by the Managers or these Regulations. 
  
 12.12.
Secretary and Assistant Secretaries. The Secretary shall attend all meetings of the Managers and all meetings of the Members and shall record all votes and the minutes of all proceedings in a book suitable for that purpose, and shall perform
like duties for the standing committees when required. 
  
 He or
she shall give or cause to be given notice of all meetings of the Members and all meetings of the Managers required by these Regulations or law to be given. 
  

 17 

 If for any reason the Secretary shall fail to give notice of any special meeting of the Managers called
by one or more of the persons identified in these Regulations, or if he or she shall fail to give notice of any special meeting of the Members called by one or more of the persons identified in these Regulations, then any such person or persons may
give notice of any such special meeting. 
  
 In addition, the
Secretary shall execute together with the President all certificates of membership issued by the Company. 
  
 The Secretary shall also keep a certificate of membership book in which shall be correctly recorded all transactions pertaining to the membership interest
of the Company. If in accordance with these Regulations the Company seal is to be affixed to an instrument, the Secretary shall attest with his or her signature after such seal has been affixed by the President in accordance with the Regulations.

  
 The Secretary shall keep in safe custody the seal of the
Company. The Secretary shall have such other powers and perform such other duties as from time to time may be prescribed by him by the Managers or these Regulations. The Assistant Secretaries in order of their seniority shall, in absence or
disability of the Secretary, perform the duties and exercise the powers of the Secretary. 
  
 The Assistant Secretaries shall perform such other duties as the Managers shall prescribe or as provided in these Regulations. In the absence of the Secretary or an Assistant Secretary, the minutes of all meetings of
the Managers and Members shall be recorded by such person as shall be designated by the President or by the Managers. 
  
 12.13. Treasurer and Assistant Treasurers. The Treasurer shall have the custody of the Company funds and securities and shall keep full and
accurate accounts of receipts and disbursements in books belonging to the Company and shall deposit all moneys and other valuable effects in the name and to the credit of the Company in such depositories as may be designated by the Managers.

  
 The Treasurer shall disburse the funds of the Company as may
be ordered by the Managers, taking proper vouchers for such disbursements. He or she shall keep and maintain or cause to be kept and maintained, the Company’s books of account and shall render to the President and Managers an account of all his
transactions as Treasurer and of the financial condition of the Company and exhibit his books, records and accounts to the President or Managers at any reasonable time. 
  
 He or she shall disburse funds for capital expenditures as authorized by the Managers and in accordance with the orders of
the President, and present to the President for his attention any requests for disbursing funds if in the judgment of the Treasurer any such request is not properly authorized. 
  

 18 

 He or she shall make a detailed annual report of the entire business and financial condition of the
Company. If required by the Managers, he or she shall give the Company a bond in such sum and with such surety or sureties as shall be satisfactory to the Managers for the faithful performance of the duties of his office and for the restoration to
the Company, in case of his death, resignation, retirement or removal from office, of all books, papers, vouchers, money and other property of whatever kind in his possession or under his control belonging to the Company. 
  
 The Treasurer shall have such other powers and perform such other duties as
from time to time may be prescribed for him by the Managers or these Regulations. 
  
 12.14. Resignations. Any officer may resign at any time. For the resignation to be effective, the officer must resign in writing. The resignation shall take effect at the time specified in the written
resignation, or, if no time is specified then at the time of its receipt by the President or Secretary. The acceptance of a resignation is not necessary to make it effective, unless expressly so provided in the resignation. 
  
 XIII. OTHER PROVISIONS 
  
 13.01. Declaration and Payment. Distributions to the Members may be
authorized by the Managers at any regular or special meeting and made by the Company. Distributions may be paid in cash or in property of the Company. 
  
 13.02. Fiscal Year. The fiscal year of the Company shall end on December 31st in each and every year. 
  
 13.03. Offices. The Company’s principal office is located at
13405 Highway 191, Odessa, Texas 79765. The Managers are entitled to change the Company’s principal office in their discretion. 
  
 13.04. Registered Agent and Office. The registered agent and his or her office for the Company shall be as submitted to the Office of the Secretary
of State of the State of Texas as required by law. 
  
 The agent
and the address may be changed from time to time and the same shall be filed with the Secretary of State’s office as required by law. 
  
 13.05. Other Offices. The Company may also maintain other offices as the Managers may decide. 
  
 XIV. INDEMNIFICATION 
  
 14.01. Generally. The Company shall indemnify a person who was, is, or
is threatened to be made a named defendant or respondent in a proceeding because the 
  

 19 

 
person is or was a Manager, Member or Officer of the Company if it is determined in accordance with this Article that the person: 
  
 a. acted in good faith; and 
  
 b. reasonably believed that his or her conduct was in the Company’s best
interests. 
  
 14.02. Personal Benefit. A Manager may not
be indemnified where the person is found liable on the basis that personal benefit was improperly received by him or her or in which the person is found liable to the Company. 
  
 14.03. Scope of Indemnification. A person shall be indemnified under this Article against judgments, penalties
(including excise and similar taxes), fines, settlements, and reasonable expenses actually incurred by the person in connection with the proceeding. 
  
 14.04. Determination of Indemnification. A determination of indemnification under any section of this Article must be made a by a majority vote of
a quorum consisting of Managers who at the time of the vote are not named defendants or respondents in the proceeding. 
  
 XV. DISSOLUTION 
  
 15.01. Generally. This Company shall be dissolved on the first of the following to occur: 
  
 a. When the period fixed for the duration of this Company expires; or

  
 b. On the occurrence of events specified in the Articles of
Organization or Regulations to cause dissolution; or 
  
 c. Upon
written consent of all Members to dissolution; or 
  
 d. Upon
entry of a decree of judicial dissolution under the Texas Company Act. 
  
 15.02. Judicial Dissolution. On application by or for a Member, a court of competent jurisdiction may decree dissolution of this Company if it is not reasonably practicable to carry on the business of this Company in conformity with
its Articles of Organization and these Regulations. 
  
 15.03.
Winding Up. On the dissolution of this Company, this Company’s affairs shall be wound up as soon as reasonably practicable. The winding up shall be accomplished by the Managers or Members. 
  

 20 

 a. On the winding up of the Company, its assets shall be paid or transferred as follows: 
  
 1. To the extent otherwise permitted by law, to creditors, including
Members who are creditors in satisfaction of liabilities (other than for distributions) of the Company, whether by payment or by establishment of reserves; 
  
 2. Unless otherwise provided by the Articles of Organization or these Regulations, to Members and former Members in satisfaction of the Company’s
liability for distributions; and 
  
 3. Unless otherwise provided
by the Articles of Organization or these Regulations, to Members in the manner provided in these Regulations. 
  
 15.04. Distributions Upon Termination and Dissolution of the Company. Upon termination and dissolution of the Company, the Managers will proceed to
wind up the affairs of the Company. 
  
 The liabilities and
obligations to creditors and all expenses incurred in its liquidation and dissolution will be paid and will have first priority in winding up as otherwise provided in these Regulations. 
  
 The Managers may retain from available cash and other assets of the Company sufficient reserves for anticipated and
contingent liabilities. 
  
 Undistributed cash, and other property
valued at its fair market value on the date of distribution, will be distributed to the Members in the following order: 
  
 a. Distributions will first be made to repay any loans to the Company by a Member, including the amount of any deferred payment obligation to a Member or
a Member’s personal representative as the result of a buy-out by the Company of a Member’s interest; 
  
 b. Distributions will then be made to the Members in an amount equal to the credit balances in their capital accounts so that the capital account of each
Member shall be brought to zero. For the purpose of determining distributions in liquidation, a negative capital account balance will be considered to be a loan from the Company to a Member; 
  
 c. The balance, if any, will be made to the Members in an amount equal to
each Member’s percentage interest in the Company as determined immediately prior to the distribution of the credit balances of the Member’s capital accounts. 
  

 21 

 The Company may continue beyond its scheduled termination date for a time reasonably necessary to
conclude the administration of the Company, pay expenses of termination and to distribute property to those entitled to such distribution. 
  
 XVI. ARBITRATION 
  
 16.01. In the event of any dispute between or among any of the parties to this Agreement, the parties involved in such dispute shall use good faith
efforts to resolve the dispute. If the dispute cannot be so resolved, the dispute shall be submitted to binding arbitration. Such arbitration shall be conducted by a single arbitrator (the “Arbitrator”) in accordance with the Commercial
Rules of the American Arbitration Association (the “AAA”) in effect from time to time and the following provisions: 
  
 a. In the event of any conflict between the Commercial Rules in effect from time to time and the provisions of this Agreement, the provisions of this
Agreement shall prevail and be controlling. 
  
 b. The parties
shall commence the arbitration by jointly filing a written submission with the Fort Worth, Texas, office of the AAA in accordance with Commercial Rule 5 (or any successor provision). 
  
 c. No depositions or other discovery shall be conducted in connection with the arbitration. 
  
 d. Not later than thirty (30) days after the conclusion of the
arbitration hearing, the Arbitrator shall prepare and distribute to the parties a writing setting forth the arbitral award and the Arbitrator’s reasons therefor. Any award rendered by the Arbitrator shall be final, conclusive and binding upon
the parties, and judgment thereon may be entered and enforced in any court of competent jurisdiction, provided that the Arbitrator shall have no power or authority to (i) award damages in excess of the portion of any damages originally claimed
in connection with such dispute, (ii) award multiple, consequential, punitive or exemplary damages, or (ii) grant injunctive relief, specific performance or other equitable relief. 
  
 e. The Arbitrator shall have no power or authority, under the Commercial
Rules or otherwise, to (i) modify or disregard any provision of this Agreement or (ii) address or resolve any issue not submitted by the parties. 
  
 f. In connection with any arbitration proceeding pursuant to this Agreement, each party shall bear its own costs and expenses, except that the fees and
costs of the AAA and the Arbitrator, the costs and expenses of obtaining the facility where the arbitration hearing is held, and such other costs and expenses as the Arbitrator may determine to be directly related to the conduct of the arbitration
and appropriately borne jointly by the parties (which shall not include any party’s attorneys’ fees or costs, witness fees (if any), costs of investigation and similar expenses) shall be shared equally by the parties to such proceeding.

  

 22 

 XVII. AMENDMENTS 
  

17.01. These Regulations may not be amended except by a writing signed by the holders of at least a majority of the then outstanding membership
interests of the Company. 
  
 IN WITNESS WHEREOF, these
Regulations of MST GP, LLC have been executed as of September 12, 2005, and shall be effective as of June 20, 2005. 
  

			
	 THE COMPANY:

	
	MST GP, LLC
		
	 By:
	 	 /s/ Daniel J. Eastman

	 	 	 Daniel J. Eastman, Manager

		
	 By:
	 	 /s/ Luke Morrow

	 	 	 Luke Morrow, Manager

	
	THE INITIAL MEMBERS:
	
	MICROGY, INC.
		
	 By:
	 	 /s/ Randall L. Hull

	 	 	 Randall L. Hull, President

	
	SOUTH-TEX TREATERS, INC.
		
	 By:
	 	 /s/ David C. Morrow

	 	 	 David C. Morrow, President

  

 23 

 EXHIBIT “A” 
  

			
	 Member

	  	% Membership Interest

	 MICROGY, INC.
	  	50%
	 SOUTH-TEX TREATERS, INC.
	  	50%

  

 24

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