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First Amended and Restated Agreement of Limited Partnership Quest Midstream Partners, L.P.

Limited Partnership Agreement

First Amended and Restated
                        Agreement of Limited Partnership
                         Quest Midstream Partners, L.P.
 | Document Parties: QUEST RESOURCE CORP | Quest Midstream Partners, L.P. You are currently viewing:
This Limited Partnership Agreement involves

QUEST RESOURCE CORP | Quest Midstream Partners, L.P.

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Title: First Amended and Restated Agreement of Limited Partnership Quest Midstream Partners, L.P.
Governing Law: Delaware     Date: 12/29/2006
Industry: Oil and Gas Operations     Sector: Energy

First Amended and Restated
                        Agreement of Limited Partnership
                         Quest Midstream Partners, L.P.
, Parties: quest resource corp , quest midstream partners  l.p.
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                                                               Execution Version






                           First Amended and Restated
                        Agreement of Limited Partnership
                         Quest Midstream Partners, L.P.

                                 December 22, 2006










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                                TABLE OF CONTENTS

                                                                            Page

ARTICLE I. Definitions.......................................................1
   Section 1.1 Definitions...................................................1
   Section 1.2 Construction.................................................23

ARTICLE II. Organization....................................................23
   Section 2.1 Formation....................................................23
   Section 2.2 Name.........................................................23
   Section 2.3 Registered Office; Registered Agent; Principal Office;
               Other Offices................................................24
   Section 2.4 Purpose and Business.........................................24
   Section 2.5 Powers.......................................................24
   Section 2.6 Power of Attorney............................................24
   Section 2.7 Term.........................................................26
   Section 2.8 Title to Partnership Assets..................................26

ARTICLE III. Rights of Limited Partners.....................................26
   Section 3.1 Limitation of Liability......................................26
   Section 3.2 Management of Business.......................................27
   Section 3.3 Outside Activities of the Limited Partners...................27
   Section 3.4 Rights of Limited Partners...................................27

ARTICLE IV. Certificates; Record Holders; Transfer of Partnership
            Interests; Redemption of Partnership Interests..................28
   Section 4.1 Certificates.................................................28
   Section 4.2 Mutilated, Destroyed, Lost or Stolen Certificates............28
   Section 4.3 Record Holders...............................................29
   Section 4.4 Transfer Generally...........................................30
   Section 4.5 Registration and Transfer of Limited Partner Interests.......30
   Section 4.6 Transfer of the General Partner's General Partner Interest...31
   Section 4.7 Transfer of Incentive Distribution Rights....................31
   Section 4.8 Restrictions on Transfers....................................32
   Section 4.9 Citizenship Certificates; Non-citizen Assignees..............33
   Section 4.10 Redemption of Partnership Interests of Non-citizen
                 Assignees...................................................34

ARTICLE V. Capital Contributions and Issuance of Partnership Interests......36
   Section 5.1 Organizational Contributions.................................36
   Section 5.2 Contributions by QRC and the General Partner.................36
   Section 5.3 Contributions by Initial Limited Partners....................37
   Section 5.4 Interest and Withdrawal......................................37
   Section 5.5 Capital Accounts.............................................37
   Section 5.6 Issuances of Additional Partnership Securities...............40
   Section 5.7 Conversion of Class A Subordinated Units.....................41
   Section 5.8 Conversion of Class B Subordinated Units.....................42


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   Section 5.9   Limited Preemptive Right....................................43
   Section 5.10 Splits and Combinations.....................................44
   Section 5.11 Fully Paid and Non-Assessable Nature of Limited Partner
                 Interests...................................................45
   Section 5.12    Issuance of Class C Units in Connection with Reset
                  of Incentive Distribution Rights..........................45

ARTICLE VI. Allocations and Distributions...................................46
   Section 6.1   Allocations for Capital Account Purposes....................44
   Section 6.2   Allocations for Tax Purposes................................54
   Section 6.3   Requirement and Characterization of Distributions;
                Distributions to Record Holders.............................55
   Section 6.4   Distributions of Available Cash from Operating   Surplus.....56
   Section 6.5   Distributions of Available Cash from Capital   Surplus.......58
   Section   6.6 Adjustment   of   Minimum    Quarterly    Distribution
                and Target Distribution Levels..............................58
   Section 6.7   Special Provisions Relating to the Holders of
                Subordinated Units and Class C Units........................59
   Section 6.8   Special Provisions Relating to the Holders of Incentive
                Distribution Rights.........................................60
   Section 6.9   Entity-Level Taxation.......................................60

ARTICLE VII. Management and Operation of Business...........................64
   Section 7.1   Management..................................................64
   Section 7.2   Certificate of Limited Partnership..........................66
   Section 7.3   Restrictions on the General Partner's Authority.............67
   Section 7.4   Reimbursement of the General Partner........................67
   Section 7.5   Outside Activities..........................................67
   Section 7.6   Loans from the General Partner; Loans or Contributions
                from the Partnership or Group Members.......................69
   Section 7.7   Indemnification.............................................70
   Section 7.8   Liability of Indemnitees....................................71
   Section 7.9   Resolution of Conflicts of Interest; Standards of
                Conduct and Modification of Duties..........................72
   Section 7.10 Other Matters Concerning the General Partner................74
   Section 7.11 Purchase or Sale of Partnership Securities..................74
   Section 7.12 Registration Rights of the General Partner and its
                Affiliates..................................................74
   Section 7.13 Reliance by Third Parties...................................78

ARTICLE VIII. Books, Records, Accounting and Reports........................78
   Section 8.1 Records and Accounting.......................................78
   Section 8.2 Fiscal Year..................................................79
   Section 8.3 Reports......................................................79

ARTICLE IX. Tax Matters.....................................................79
   Section 9.1 Tax Returns and Information..................................79
   Section 9.2 Tax Elections................................................79
   Section 9.3 Tax Controversies............................................80
   Section 9.4 Withholding..................................................80


                                        ii
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ARTICLE X. Admission of Partners............................................80
   Section 10.1 Admission of Limited Partners...............................80
   Section 10.2 Admission of Successor General Partner......................81
   Section 10.3 Amendment of Agreement and Certificate of Limited
               Partnership..................................................81

ARTICLE XI. Withdrawal or Removal of Partners...............................82
   Section 11.1 Withdrawal of the General Partner...........................82
   Section 11.2 Removal of the General Partner..............................83
   Section 11.3 Interest of Departing General Partner and Successor
                General Partner.............................................84
   Section 11.4 Termination of Subordination Period, Conversion of
                Subordinated Units and Extinguishment of Cumulative
                Common Unit Arrearages......................................85
   Section 11.5 Withdrawal of Limited Partners..............................86

ARTICLE XII. Dissolution and Liquidation....................................86
   Section 12.1 Dissolution.................................................86
   Section 12.2 Continuation of the Business of the Partnership
                After Dissolution...........................................86
   Section 12.3 Liquidator..................................................87
   Section 12.4 Liquidation.................................................87
   Section 12.5 Cancellation of Certificate of Limited Partnership..........88
   Section 12.6 Return of Contributions.....................................88
   Section 12.7 Waiver of Partition.........................................88
   Section 12.8 Capital Account Restoration.................................88

ARTICLE XIII................................................................89

Amendment of Partnership Agreement; Meetings; Record Date...................89
   Section 13.1Amendments to be Adopted Solely by the General Partner.......89
   Section 13.2Amendment Procedures.........................................90
   Section 13.3    Amendment Requirements....................................91
   Section 13.4Special Meetings.............................................91
   Section 13.5Notice of a Meeting..........................................92
   Section 13.6Record Date..................................................92
   Section 13.7Adjournment..................................................92
   Section 13.8Waiver of Notice; Approval of Meeting; Approval of Minutes...92
   Section 13.9Quorum and Voting............................................92
   Section 13.10   Conduct of a Meeting......................................93
   Section 13.11   Action Without a Meeting..................................93
   Section 13.12   Right to Vote and Related Matters.........................94

ARTICLE XIV. Merger, Consolidation or Conversion............................94
   Section 14.1Authority....................................................95
   Section 14.2Procedure for Merger, Consolidation or Conversion............95
   Section 14.3Approval by Limited Partners.................................97
   Section 14.4Certificate of Merger........................................98
   Section 14.5    Effect of Merger, Consolidation or Conversion.............98


                                      iii
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ARTICLE XV. Right to Acquire Limited Partner Interests......................99
    Section 15.1    Right to Acquire Limited Partner Interests................99

ARTICLE XVI. General Provisions............................................101
   Section 16.1    Addresses and Notices....................................101
   Section 16.2    Further Action...........................................102
   Section 16.3    Binding Effect...........................................102
   Section 16.4    Integration..............................................102
   Section 16.5    Creditors................................................102
   Section 16.6    Waiver...................................................102
   Section 16.7    Third-Party Beneficiaries................................102
   Section 16.8    Counterparts.............................................102
   Section 16.9    Applicable Law...........................................102
   Section 16.10   Invalidity of Provisions.................................102
   Section 16.11   Consent of Partners......................................102
   Section 16.12   Facsimile Signatures.....................................103




                                       iv
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                           First Amended and Restated
                        Agreement of Limited Partnership
                                        of
                         Quest Midstream Partners, L.P.

      This First Amended and Restated Agreement of Limited   Partnership of Quest
Midstream Partners,   L.P., dated as of December 22, 2006, is entered into by and
between Quest Midstream GP, LLC, a Delaware limited   liability   company,   as the
General Partner, and Quest Resource   Corporation,   a Nevada corporation,   as the
Organizational   Limited   Partner,   together   with any other   Persons   who become
Partners   in   the   Partnership   or   parties   hereto   as   provided    herein.    In
consideration of the covenants,   conditions and agreements contained herein, the
parties hereto hereby agree as follows:



                                   ARTICLE I.

                                    Definitions

     Section 1.1 Definitions.

     The   following   definitions   shall be for all   purposes,   unless   otherwise
clearly indicated to the contrary, applied to the terms used in this Agreement.

     "Acquisition"   means any   transaction   in which any Group   Member   acquires
(through   an asset   acquisition,   merger,   stock   acquisition   or other   form of
investment) control over all or a portion of the assets,   properties or business
of another   Person for the   purpose of   increasing   the   operating   capacity   or
revenues of the Partnership Group from the operating capacity or revenues of the
Partnership   Group existing   immediately   prior to such   transaction;   provided,
however,   that any acquisition of properties or assets of another Person that is
made   solely   for   temporary    investment    purposes   shall   not   constitute   an
Acquisition.

     "Additional Book Basis" means the portion of any remaining Carrying Value
of an Adjusted Property that is attributable to positive adjustments made to
such Carrying Value as a result of Book-Up Events. For purposes of determining
the extent that Carrying Value constitutes Additional Book Basis:

            (a)   Any   negative   adjustment   made   to the   Carrying   Value   of an
      Adjusted   Property   as a result of either a   Book-Down   Event or a Book-Up
      Event   shall   first be deemed to offset or   decrease   that   portion of the
      Carrying Value of such Adjusted Property that is attributable to any prior
      positive adjustments made thereto pursuant to a Book-Up Event or Book-Down
      Event.

            (b) If   Carrying   Value that   constitutes   Additional   Book Basis is
      reduced as a result of a Book-Down   Event and the Carrying   Value of other
      property is increased as a result of such   Book-Down   Event,   an allocable
      portion   of any such   increase   in   Carrying   Value   shall be   treated   as
      Additional   Book Basis;   provided,   that the amount   treated as Additional
      Book Basis pursuant hereto as a result of such Book-Down Event shall not


                                       1
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      exceed   the   amount   by   which   the    Aggregate    Remaining   Net   Positive
      Adjustments   after such Book-Down   Event exceeds the remaining   Additional
      Book Basis   attributable   to all of the   Partnership's   Adjusted   Property
      after such Book-Down Event   (determined   without regard to the application
      of this clause (b) to such Book-Down Event).

      "Additional Book Basis   Derivative   Items" means any Book Basis Derivative
Items that are computed with reference to Additional   Book Basis.   To the extent
that the Additional Book Basis attributable to all of the Partnership's Adjusted
Property   as of the   beginning   of any   taxable   period   exceeds   the   Aggregate
Remaining   Net   Positive   Adjustments   as of the   beginning   of such period (the
"Excess Additional Book Basis"),   the Additional Book Basis Derivative Items for
such   period   shall be reduced   by the   amount   that bears the same ratio to the
amount of Additional Book Basis Derivative   Items   determined   without regard to
this sentence as the Excess   Additional   Book Basis bears to the Additional Book
Basis as of the beginning of such period.

     "Adjusted   Capital   Account" means the Capital Account   maintained for each
Partner as of the end of each fiscal year of the   Partnership,   (a) increased by
any amounts that such Partner is obligated to restore under the standards set by
Treasury   Regulation   Section   1.704-1(b)(2)(ii)(c)   (or is deemed   obligated to
restore under Treasury Regulation Sections 1.704-2(g) and 1.704-2(i)(5)) and (b)
decreased by (i) the amount of all losses and deductions   that, as of the end of
such fiscal   year,   are   reasonably   expected to be allocated to such Partner in
subsequent   years under   Sections   704(e)(2) and 706(d) of the Code and Treasury
Regulation Section   1.751-1(b)(2)(ii),   and (ii) the amount of all distributions
that, as of the end of such fiscal year, are   reasonably   expected to be made to
such Partner in subsequent   years in accordance with the terms of this Agreement
or otherwise to the extent they exceed   offsetting   increases to such   Partner's
Capital   Account that are reasonably   expected to occur during (or prior to) the
year in which such distributions are reasonably   expected to be made (other than
increases as a result of a minimum gain chargeback pursuant to Section 6.1(d)(i)
or Section 6.1(d)(ii)).   The foregoing definition of Adjusted Capital Account is
intended   to   comply   with   the   provisions   of   Treasury    Regulation    Section
1.704-1(b)(2)(ii)(d)   and   shall   be   interpreted   consistently   therewith.   The
"Adjusted   Capital Account" of a Partner in respect of a General Partner Unit, a
Common Unit, a   Subordinated   Unit, a Class C Unit or an Incentive   Distribution
Right or any other   Partnership   Interest shall be the amount that such Adjusted
Capital Account would be if such General Partner Unit, Common Unit, Subordinated
Unit, Class C Unit,   Incentive   Distribution Right or other Partnership Interest
were the only   interest in the   Partnership   held by such Partner from and after
the date on which such General   Partner Unit,   Common Unit,   Subordinated   Unit,
Class C Unit,   Incentive   Distribution   Right or other Partnership   Interest was
first issued.

     "Adjusted   Operating Surplus" means, with respect to any period,   Operating
Surplus   generated   with respect to such period (a) less (i) any net increase in
Working Capital Borrowings with respect to such period and (ii) any net decrease
in cash   reserves   for   Operating   Expenditures   with respect to such period not
relating to an Operating   Expenditure made with respect to such period,   and (b)
plus (i) any net   decrease in Working   Capital   Borrowings   with respect to such
period,   (ii) any net decrease made in   subsequent   periods in cash reserves for
Operating   Expenditures initially established with respect to such period to the
extent such   decrease   results in a reduction in Adjusted   Operating   Surplus in
subsequent   periods   under   clause (a) above and (iii) any net   increase in cash
reserves for   Operating   Expenditures   with respect to such period to the extent
such reserve is required by any debt   instrument for the repayment of principal,
interest


                                        2
<PAGE>


or   premium.   Adjusted   Operating   Surplus   does not   include   that   portion   of
Operating   Surplus   included in clause   (a)(i) of the   definition   of   Operating
Surplus.

     "Adjusted Property" means any property the Carrying Value of which has been
adjusted pursuant to Section 5.5(d)(i) or Section 5.5(d)(ii).

     "Affiliate"   means,   with   respect to any   Person,   any other   Person   that
directly   or   indirectly   through   one   or   more   intermediaries    controls,   is
controlled by or is under common control with,   the Person in question.   As used
herein,   the term "control"   means the   possession,   direct or indirect,   of the
power to direct or cause the   direction   of the   management   and   policies   of a
Person,   whether   through   ownership   of   voting   securities,    by   contract   or
otherwise.   For the   avoidance   of doubt,   as of the Closing   Date,   the Initial
Private Purchasers are not "Affiliates" of the Partnership Group.

     "Aggregate Remaining Net Positive   Adjustments" means, as of the end of any
taxable   period,   the sum of the Remaining Net Positive   Adjustments   of all the
Partners.

      "Aggregate   Quantity   of Class C Units" has the   meaning   assigned to such
term in Section 5.12(a).

       "Agreed    Allocation"    means   any   allocation,    other   than   a   Required
Allocation,   of an item of   income,   gain,   loss or   deduction   pursuant   to the
provisions of Section 6.1,   including a Curative   Allocation (if   appropriate to
the context in which the term "Agreed Allocation" is used).

      "Agreed Value" of any Contributed   Property means the fair market value of
such property or other   consideration   at the time of contribution as determined
by the   General   Partner.   The   General   Partner   shall   use such   method   as it
determines   to   be   appropriate   to   allocate   the   aggregate   Agreed   Value   of
Contributed   Properties contributed to the Partnership in a single or integrated
transaction   among each separate   property on a basis   proportional   to the fair
market value of each Contributed Property.

      "Agreement"   means this First   Amended and   Restated   Agreement of Limited
Partnership   of   Quest   Midstream    Partners,    L.P.,   as   it   may   be   amended,
supplemented or restated from time to time.

      "Approved   Working   Capital   Facility"   means a credit   facility   or other
arrangement   entered into by one or more of the Group Members   subsequent to the
Closing   Date   that   will   provide   the   Partnership   with   an   ability   to make
borrowings used solely for working capital   purposes or to pay   distributions to
the Limited   Partners;   provided that the terms and   conditions of such facility
shall be approved by the Investor Representatives.

      "Associate"   means,   when used to indicate a relationship with any Person,
(a) any corporation or organization of which such Person is a director,   officer
or partner or is, directly or indirectly,   the owner of 20% or more of any class
of voting stock or other voting interest; (b) any trust or other estate in which
such   Person has at least a 20%   beneficial   interest or as to which such Person
serves as trustee or in a similar   fiduciary   capacity;   and (c) any relative or
spouse   of such   Person,   or any   relative   of   such   spouse,   who has the   same
principal residence as such


                                       3
<PAGE>


Person.   For the avoidance of doubt, as of the Closing Date, the Initial Private
Purchasers are not "Associates" of the Partnership Group.

     "Available   Cash" means,   with   respect to any Quarter   ending prior to the
Liquidation Date:

          (a) the sum of (i) all cash and cash   equivalents   of the   Partnership
     Group   (or   the   Partnership's    proportionate    share   of   cash   and   cash
     equivalents in the case of Subsidiaries   that are not wholly owned) on hand
     at the   end of   such   Quarter,   and   (ii)   all   additional   cash   and   cash
     equivalents of the Partnership   Group (or the   Partnership's   proportionate
     share of cash and cash equivalents in the case of Subsidiaries that are not
     wholly owned) on hand on the date of   determination   of Available Cash with
     respect to such Quarter   resulting   from Working   Capital   Borrowings   made
     subsequent to the end of such Quarter, less

          (b) the amount of any cash reserves established by the General Partner
     to (i) provide for the proper   conduct of the   business of the   Partnership
     Group   (including    reserves   for   future   capital    expenditures   and   for
     anticipated   future credit needs of the   Partnership   Group)   subsequent to
     such   Quarter,   (ii)   comply   with   applicable   law or any loan   agreement,
     security   agreement,   mortgage,   debt   instrument   or   other   agreement   or
     obligation   to which any Group Member is a party or by which it is bound or
     its   assets are   subject or (iii)   provide   funds for   distributions   under
     Section 6.4 or Section 6.5 ----------- ----------- in respect of any one or
     more of the next four Quarters; provided, however, that the General Partner
     may not establish   cash   reserves   pursuant to (iii) above if the effect of
     such reserves   would be that the   Partnership   is unable to distribute   the
     Minimum   Quarterly   Distribution   on all Common Units,   plus any Cumulative
     Common Unit   Arrearage on all Common   Units,   with respect to such Quarter;
     and, provided further,   that   disbursements   made by a Group Member or cash
     reserves   established,   increased or reduced   after the end of such Quarter
     but on or before the date of   determination   of Available Cash with respect
     to such Quarter shall be deemed to have been made,   established,   increased
     or reduced, for purposes of determining Available Cash, within such Quarter
     if the General Partner so determines.

     Notwithstanding the foregoing, "Available Cash" with respect to the Quarter
in which the   Liquidation   Date occurs and any   subsequent   Quarter   shall equal
zero.

     "Board of Directors"   means,   with respect to the Board of Directors of the
General   Partner,   its board of   directors   or   managers,   as   applicable,   if a
corporation or limited liability company, or if a limited partnership, the board
of directors or board of managers of the general partner of the General Partner.

     "Book Basis Derivative Items" means any item of income,   deduction, gain or
loss   included in the   determination   of Net Income or Net Loss that is computed
with    reference   to   the   Carrying   Value   of   an   Adjusted    Property    (e.g.,
depreciation, depletion, or gain or loss with respect to an Adjusted Property).

     "Book-Down Event" means an event that triggers a negative adjustment to the
Capital Accounts of the Partners pursuant to Section 5.5(d).


                                        4
<PAGE>


     "Book-Tax Disparity" means with respect to any item of Contributed Property
or   Adjusted   Property,   as of the   date of any   determination,   the   difference
between the Carrying Value of such Contributed Property or Adjusted Property and
the adjusted   basis   thereof for federal   income tax purposes as of such date. A
Partner's   share   of   the   Partnership's   Book-Tax   Disparities   in   all   of its
Contributed   Property and Adjusted   Property will be reflected by the difference
between such Partner's Capital Account balance as maintained pursuant to Section
5.5 and the hypothetical   balance of such Partner's   Capital Account computed as
if it had been   maintained   strictly   in   accordance   with   federal   income   tax
accounting principles.

     "Book-Up   Event" means an event that triggers a positive   adjustment to the
Capital Accounts of the Partners pursuant to Section 5.5(d).

     "Business   Day" means   Monday   through   Friday of each week,   except that a
legal   holiday   recognized   as such by the   government   of the United   States of
America or the State of Oklahoma shall not be regarded as a Business Day.

     "Capital   Account"   means   the   capital   account   maintained   for a Partner
pursuant   to Section   5.5.   The   "Capital   Account" of a Partner in respect of a
General   Partner   Unit, a Common Unit, a   Subordinated   Unit, a Class C Unit, an
Incentive   Distribution   Right or any   Partnership   Interest shall be the amount
that such Capital   Account would be if such General   Partner Unit,   Common Unit,
Subordinated   Unit,   Class   C   Unit,   Incentive    Distribution   Right   or   other
Partnership   Interest   were the only   interest in the   Partnership   held by such
Partner from and after the date on which such General Partner Unit, Common Unit,
Subordinated   Unit,   Class   C   Unit,   Incentive    Distribution   Right   or   other
Partnership Interest was first issued.

     "Capital   Contribution"   means any cash, cash equivalents or the Net Agreed
Value of Contributed Property that a Partner contributes to the Partnership.

     "Capital   Improvement" means any (a) addition or improvement to the capital
assets   owned   by   any   Group   Member,   (b)   acquisition   of   existing,   or   the
construction   of   new,   capital   assets   (including   gathering   lines,   treating
facilities,   processing plants, fractionation facilities,   pipelines, terminals,
docks,   truck racks,   tankage and other storage,   distribution or transportation
facilities and related or similar midstream assets) or (c) capital contributions
by a Group Member to a Person that is not a   Subsidiary   in which a Group Member
has an equity interest to fund such Group Member's pro rata share of the cost of
the   acquisition   of   existing,   or the   construction   of   new,   capital   assets
(including    gathering    lines,    treating    facilities,     processing    plants,
fractionation facilities,   pipelines, terminals, docks, truck racks, tankage and
other storage,   distribution or transportation facilities and related or similar
midstream   assets) by such Person,   in each case if such addition,   improvement,
acquisition   or   construction   is made to   increase   the   operating   capacity or
revenues of the assets of the Partnership   Group, in the case of clauses (a) and
(b), or such Person,   in the case of clause (c), from the operating   capacity or
revenues of the Partnership   Group or such Person,   as the case may be, existing
immediately   prior to such addition,   improvement,   acquisition or construction;
provided,   however,   that   any   such   addition,    improvement,    acquisition   or
construction   that is made solely for temporary   investment   purposes   shall not
constitute a Capital Improvement.

     "Capital Surplus" has the meaning assigned to such term in Section 6.3(a).


                                        5
<PAGE>


     "Carrying   Value" means (a) with   respect to a   Contributed   Property,   the
Agreed Value of such property reduced (but not below zero) by all   depreciation,
amortization   and cost   recovery   deductions   charged to the   Partners'   Capital
Accounts in respect of such   Contributed   Property,   and (b) with respect to any
other   Partnership   property,   the adjusted   basis of such   property for federal
income tax purposes, all as of the time of determination.   The Carrying Value of
any   property   shall be adjusted   from time to time in   accordance   with Section
5.5(d)(i)   and Section   5.5(d)(ii)   and to reflect   changes,   additions or other
adjustments   to   the   Carrying   Value   for    dispositions   and   acquisitions   of
Partnership properties, as deemed appropriate by the General Partner.

     "Cause"   means a court   of   competent   jurisdiction   has   entered   a final,
non-appealable   judgment   finding the General Partner liable for actual fraud or
willful misconduct in its capacity as a general partner of the Partnership.

     "Certificate"   means (a) a   certificate   (i)   substantially   in the form of
Exhibit A to this   Agreement,   (ii) issued in global form in accordance with the
rules and   regulations   of the   Depositary or (iii) in such other form as may be
adopted by the General Partner,   issued by the Partnership   evidencing ownership
of one or more Common Units or (b) a certificate, in such form as may be adopted
by the General Partner, issued by the Partnership evidencing ownership of one or
more other Partnership Securities.

     "Certificate   of   Limited   Partnership"   means the   Certificate   of Limited
Partnership of the Partnership filed with the Secretary of State of the State of
Delaware   as   referenced   in   Section   7.2,   as   such    Certificate   of   Limited
Partnership may be amended, supplemented or restated from time to time.

     "Citizenship   Certification" means a properly completed certificate in such
form as may be   specified   by the   General   Partner   by which a Limited   Partner
certifies   that he (and if he is a nominee   holding   for the   account of another
Person,   that to the best of his   knowledge   such other   Person) is an   Eligible
Citizen.

      "claim" (as used in Section 7.12(d)) has the meaning assigned to such term
in Section 7.12(d).

      "Class A Subordinated   Unit" means a Partnership   Security   representing a
fractional part of the Partnership   Interests of all Limited Partners and having
the rights and obligations   specified with respect to Class A Subordinated Units
in this Agreement.

      "Class B Subordinated   Unit" means a Partnership   Security   representing a
fractional part of the Partnership   Interests of all Limited Partners and having
the rights and obligations   specified with respect to Class B Subordinated Units
in this Agreement.

      "Class C Unit" means a Partnership Security representing a fractional part
of the Partnership   Interests of all Limited   Partners and having the rights and
obligations specified with respect to Class C Units in this Agreement.

      "Closing Date" means the date on which the   transactions   contemplated   by
the Purchase Agreement close.


                                       6
<PAGE>


      "Closing Price" has the meaning assigned to such term in Section 15.1(a).

      "Code" means the Internal   Revenue Code of 1986,   as amended and in effect
from time to time. Any reference herein to a specific section or sections of the
Code shall be deemed to include a reference   to any   corresponding   provision of
any successor law.

      "Combined   Interest"   has the   meaning   assigned   to such term in   Section
11.3(a).

      "Commences Commercial Service" refers to the date a Capital Improvement is
first put into   commercial   service   following   completion of   construction   and
testing.

      "Commission" means the United States Securities and Exchange Commission.

      "Commodity Hedge Contract" means any commodity   exchange,   swap,   forward,
cap, floor,   collar or other similar   agreement or arrangement   entered into for
the purpose of hedging the Partnership   Group's   exposure to fluctuations in the
price of hydrocarbons   (including   liquefied natural gas or liquefied   petroleum
gas) in their operations and not for speculative purposes.

      "Common Unit" means a Partnership Security   representing a fractional part
of the Partnership   Interests of all Limited   Partners and having the rights and
obligations   specified with respect to Common Units in this Agreement.   The term
"Common Unit" does not include a Subordinated   Unit or Class C Unit prior to its
conversion into a Common Unit pursuant to the terms hereof.

      "Common Unit Arrearage" means,   with respect to any Common Unit,   whenever
issued, as to any Quarter within the Subordination   Period,   the excess, if any,
of (a) the   Minimum   Quarterly   Distribution   with   respect to a Common   Unit in
respect of such Quarter over (b) the sum of all Available Cash   distributed with
respect   to a   Common   Unit in   respect   of such   Quarter   pursuant   to   Section
6.4(a)(i).

      "Conflicts   Committee"   means a committee of the Board of Directors of the
General Partner composed entirely of two or more directors,   each of whom (a) is
not a security holder, officer or employee of the General Partner, (b) is not an
officer,   director or employee of any Affiliate of the General   Partner,   (c) is
not a holder of any   ownership   interest   in the   Partnership   Group   other than
Common Units and (d) meets the independence   standards required of directors who
serve   on an   audit   committee   of a   board   of   directors   established   by   the
Securities   Exchange   Act   and   the   rules   and   regulations   of the   Commission
thereunder and by the Nasdaq Global Market.

      "Contributed Property" means each property or other asset, in such form as
may be permitted by the Delaware Act, but   excluding   cash,   contributed   to the
Partnership.   Once the   Carrying   Value of a   Contributed   Property   is adjusted
pursuant   to   Section   5.5(d),   such   property   shall   no   longer   constitute   a
Contributed Property, but shall be deemed an Adjusted Property.

      "Contribution   Agreement" means that certain Contribution,   Conveyance and
Assumption   Agreement,   dated as of the Closing Date, among the General Partner,
the   Partnership,   the Operating   Company and the other   parties named   therein,
together with the

                                       7

<PAGE>


additional   conveyance   documents   and   instruments   contemplated   or referenced
thereunder, as such may be amended, supplemented or restated from time to time.

      "Converted   Common Units" has the meaning assigned to such term in Section
6.1(d)(x)(B).

      "Cumulative Common Unit Arrearage" means, with respect to any Common Unit,
whenever issued,   and as of the end of any Quarter,   the excess,   if any, of (a)
the sum   resulting   from   adding   together   the Common Unit   Arrearage   as to an
Initial   Common Unit for each of the Quarters   within the   Subordination   Period
ending   on or   before   the   last   day of such   Quarter   over   (b) the sum of any
distributions   theretofore   made pursuant to Section   6.4(a)(ii)   and the second
sentence of Section 6.5 with respect to an Initial   Common Unit   (including   any
distributions to be made in respect of the last of such Quarters).

      "Curative   Allocation"   means any   allocation of an item of income,   gain,
deduction, loss or credit pursuant to the provisions of Section 6.1(d)(xi).

      "Current   Market   Price" has the meaning   assigned to such term in Section
15.1(a).

      "Delaware Act" means the Delaware Revised Uniform Limited Partnership Act,
6 Del C. Section 17-101, et seq., as amended, supplemented or restated from time
to time, and any successor to such statute.

      "Departing   General Partner" means a former General Partner from and after
the effective date of any   withdrawal or removal of such former General   Partner
pursuant to Section 11.1 or Section 11.2.

      "Depositary"   means,   with respect to any Units issued in global form, The
Depository Trust Company and its successors and permitted assigns.

      "Economic   Risk of Loss" has the meaning set forth in Treasury   Regulation
Section 1.752-2(a).

      "Eligible   Citizen"   means a Person   qualified   to own   interests   in real
property in jurisdictions in which any Group Member does business or proposes to
do business from time to time, and whose status as a Limited Partner the General
Partner   determines   does   not or would   not   subject   such   Group   Member   to a
significant   risk of   cancellation or forfeiture of any of its properties or any
interest therein.

      "Estimated   Incremental   Quarterly Tax Amount" has the meaning assigned to
such term in Section 6.9.

      "Event of   Withdrawal"   has the   meaning   assigned to such term in Section
11.1(a).

      "Expansion Capital   Expenditures" means cash expenditures for Acquisitions
or Capital Improvements,   and shall not include Maintenance Capital Expenditures
or Investment Capital Expenditures. Expansion Capital Expenditures shall include
interest (and related fees) on debt incurred and distributions on equity issued,
in each case, to finance the construction or


                                       8
<PAGE>


development of a Capital Improvement and paid during the period beginning on the
date   that   the   Partnership   enters   into   a   binding   commitment   to   commence
construction   or development of a Capital   Improvement and ending on the earlier
to occur of the date that such Capital Improvement   Commences Commercial Service
or the date that such   Capital   Improvement   is   abandoned   or disposed of. Debt
incurred   or equity   issued   to fund such   construction   or   development   period
interest payments   (including   periodic net payments under related interest rate
swap   agreements) or such   construction or development   period   distributions on
equity paid during such   period,   shall also be deemed to be debt or equity,   as
the case may be, issued to finance the   construction or development of a Capital
Improvement.

      "Final   Subordinated   Units"   has the   meaning   assigned   to such   term in
Section 6.1(d)(x)(A).

      "First Liquidation Target Amount" has the meaning assigned to such term in
Section 6.1(c)(i)(E).

      "First Target   Distribution"   means $0.4675 per Unit per Quarter (or, with
respect to the period   commencing on December 1, 2006 and ending on December 31,
2006,   it means the   product of $0.4675   multiplied   by a fraction   of which the
numerator is the number of days in such period,   and of which the denominator is
92),   subject to   adjustment in   accordance   with Section 5.12,   Section 6.6 and
Section 6.9.

      "Fully Diluted Basis" means,   when   calculating   the number of Outstanding
Units for any period,   a basis that   includes,   in   addition to the   Outstanding
Units, all Partnership Securities and options, rights, warrants and appreciation
rights   relating   to   an   equity   interest   in   the   Partnership   (a)   that   are
convertible   into or exercisable or exchangeable for Units that are senior to or
pari   passu with the   Subordinated   Units,   (b) whose   conversion,   exercise   or
exchange   price   is less   than   the   Current   Market   Price   on the date of such
calculation,   (c) that may be converted   into or exercised or exchanged for such
Units prior to or during the Quarter immediately following the end of the period
for   which   the   calculation   is being   made   without   the   satisfaction   of any
contingency   beyond   the   control   of the   holder   other   than   the   payment   of
consideration   and the compliance with   administrative   mechanics   applicable to
such   conversion,   exercise or exchange and (d) that were not converted   into or
exercised   or   exchanged   for   such   Units   during   the   period   for   which   the
calculation is being made; provided,   however,   that for purposes of determining
the   number of   Outstanding   Units on a Fully   Diluted   Basis   when   calculating
whether the Subordination Period has ended or Subordinated Units are entitled to
convert into Common Units pursuant to Section 5.8, such Partnership   Securities,
options,   rights,   warrants and appreciation rights shall be deemed to have been
Outstanding   Units   only for the   four   Quarters   that   comprise   the last   four
Quarters of the measurement   period;   provided,   further,   that if consideration
will be paid to any Group Member in connection with such conversion, exercise or
exchange,   the number of Units to be included in such calculation   shall be that
number equal to the   difference   between (i) the number of Units   issuable   upon
such   conversion,   exercise or   exchange   and (ii) the number of Units that such
consideration would purchase at the Current Market Price.

      "General   Partner"   means   Quest   Midstream   GP,   LLC, a Delaware   limited
liability company, and its successors and permitted assigns that are admitted to
the Partnership as general


                                       9
<PAGE>


partner   of   the   Partnership,   in   its   capacity   as   general   partner   of   the
Partnership (except as the context otherwise requires).

      "General   Partner   Interest"   means the ownership   interest of the General
Partner   in the   Partnership   (in its   capacity   as a   general   partner   without
reference to any Limited   Partner   Interest   held by it),   which is evidenced by
General   Partner   Units,   and includes any and all benefits to which the General
Partner is entitled as provided in this Agreement, together with all obligations
of the   General   Partner   to   comply   with   the   terms   and   provisions   of this
Agreement.

      "General   Partner   Unit" means a   fractional   part of the General   Partner
Interest   having the rights and   obligations   specified in this   Agreement   with
respect to the General Partner Interest. A General Partner Unit is not a Unit.

      "Group"   means a Person   that with or   through   any of its   Affiliates   or
Associates has any contract, arrangement,   understanding or relationship for the
purpose of acquiring,   holding,   voting (except   voting   pursuant to a revocable
proxy or   consent   given   to such   Person   in   response   to a proxy   or   consent
solicitation   made   to 10 or   more   Persons),   exercising   investment   power   or
disposing of any Partnership   Interests with any other Person that   beneficially
owns,   or   whose   Affiliates   or   Associates    beneficially    own,   directly   or
indirectly, Partnership Interests.

      "Group Member" means a member of the Partnership Group.

      "Group   Member   Agreement"   means the   partnership   agreement of any Group
Member,   other than the Partnership,   that is a limited or general   partnership,
the limited   liability   company   agreement of any Group Member that is a limited
liability   company,   the   certificate   of   incorporation   and   bylaws or similar
organizational   documents of any Group Member that is a   corporation,   the joint
venture   agreement or similar   governing   document of any Group Member that is a
joint venture and the governing or   organizational   or similar   documents of any
other Group Member that is a Person other than a limited or general partnership,
limited liability company, corporation or joint venture, as such may be amended,
supplemented or restated from time to time.

      "Holder" as used in Section 7.12, has the meaning assigned to such term in
Section 7.12(a).

      "IDR Reset   Election"   has the   meaning   assigned   to such term in Section
5.12(a).

      "Incentive Distribution Right" means a non-voting Limited Partner Interest
issued to the   General   Partner in   connection   with the   transfer of all of its
interests in Bluestem to the Partnership pursuant to the Contribution Agreement,
which   Limited   Partner   Interest   will confer upon the holder   thereof only the
rights and obligations   specifically   provided in this Agreement with respect to
Incentive   Distribution   Rights (and no other rights   otherwise   available to or
other   obligations   of a   holder   of a   Partnership   Interest).   Notwithstanding
anything   in   this   Agreement   to   the   contrary,   the   holder   of an   Incentive
Distribution   Right shall not be entitled   to vote such   Incentive   Distribution
Right on any Partnership matter except as may otherwise be required by law.


                                       10
<PAGE>


      "Incentive   Distributions"   means any   amount of cash   distributed   to the
holders of the Incentive   Distribution Rights pursuant to Section   6.4(a)(v)(B),
Section 6.4(a)(vi)(B), Section 6.4(a)(vii)(B),   Section 6.4(b)(iii)(B),   Section
6.4(b)(iv)(B), Section 6.4(b)(v)(B) and Section 6.4(c).

      "Incremental   Income Tax" has the meaning assigned to such term in Section
6.9.

      "Indemnified   Persons"   has the   meaning   assigned to such term in Section
7.12(d).

      "Indemnitee"   means (a) the General   Partner,   (b) any   Departing   General
Partner, (c) any Person who is or was an Affiliate of the General Partner or any
Departing   General   Partner,   (d) any   Person   who is or was a member,   partner,
director, officer, fiduciary or trustee of any Group Member, the General Partner
or any   Departing   General   Partner or any   Affiliate of any Group   Member,   the
General Partner or any Departing   General Partner,   (e) any Person who is or was
serving at the request of the General   Partner or any Departing   General Partner
or any Affiliate of the General   Partner or any Departing   General Partner as an
officer,   director,   member,   partner,   fiduciary or trustee of another   Person;
provided that a Person shall not be an   Indemnitee by reason of providing,   on a
fee-for-services   basis, trustee,   fiduciary or custodial services,   and (f) any
Person the General Partner   designates as an   "Indemnitee"   for purposes of this
Agreement.

      "Initial   Common   Units"   means the   Common   Units   sold   pursuant   to the
Purchase Agreement.

      "Initial   Limited   Partner"   means   QRC and   each of the   Initial   Private
Purchasers,   in each case upon being   admitted to the   Partnership in accordance
with   Section 10.1 (with   respect to the Common   Units,   Subordinated   Units and
Incentive   Distribution   Rights,   if any,   received by them   pursuant to Section
5.2).

      "Initial   Private   Purchaser"   means each Person   named as a purchaser   in
Schedule   I to the   Purchase   Agreement   who   purchased   Common   Units   pursuant
thereto.

      "Initial   Public   Offering"   means the initial   public   offering of Common
Units by the   Partnership   that   results in the Common   Units   being   listed for
trading on the New York Stock Exchange or the Nasdaq Global Market.

       "Initial Unit Price" means (a) with respect to the Common   Units,   (i) if
the Initial Public Offering has not yet occurred,   the price paid by the Initial
Private Purchasers pursuant to the Purchase Agreement,   less any indemnification
proceeds   received by the Initial Private   Purchasers   pursuant to Article VI of
the Purchase Agreement, and (i) if the Initial Public Offering has occurred, the
initial public offering price per Common Unit at which the   Underwriters   agreed
to offer such Common Units for sale to the public as set forth on the cover page
of the   final   prospectus   filed   pursuant   to   Rule   424(b)   of the   rules   and
regulations of the Commission with respect to such Initial Public   Offering,   or
(b) with   respect to any other   class or series of Units,   the price per Unit at
which such class or series of Units is   initially   sold by the   Partnership,   as
determined by the General Partner,   in each case adjusted as the General Partner
determines to be appropriate to give effect to any distribution,   subdivision or
combination of Units.


                                       11
<PAGE>


      "Interim Capital   Transactions"   means the following   transactions if they
occur prior to the Liquidation Date: (a) borrowings,   refinancings or refundings
of indebtedness   (other than Working Capital Borrowings and other than for items
purchased   on open   account in the   ordinary   course of   business)   by any Group
Member and sales of debt   securities   of any Group   Member;   (b) sales of equity
interests   of any Group   Member;   (c) sales or other   voluntary   or   involuntary
dispositions   of any   assets of any Group   Member   other than (i) sales or other
dispositions of production,   inventory,   accounts receivable and other assets in
the ordinary course of business,   and (ii) sales or other dispositions of assets
as part of normal retirements or replacements;   (d) the termination of Commodity
Hedge Contracts or interest rate swap agreements   prior to the termination   date
otherwise   specified   therein;   (e)   capital   contributions    received;   or   (f)
corporate reorganizations or restructurings.

       "Investment Capital   Expenditures"   means capital   expenditures other than
Maintenance Capital Expenditures and Expansion Capital Expenditures.

      "Investor   Representatives" means the members of the Board of Directors of
GP designated by Swank and ACM or their successors   pursuant to the terms of the
Investors' Rights Agreement.

      "Investors' Rights Agreement" means the Investors' Rights Agreement, dated
as of even date herewith, by and among the Partnership, the General Partner, QRC
and the Initial Private Purchasers.

      "Issue   Price"   means   the   price   at which a Unit is   purchased   from the
Partnership, net of any sales commission or underwriting discount charged to the
Partnership.

      "Limited   Partner"   means,   unless the   context   otherwise   requires,   the
Organizational   Limited   Partner prior to its withdrawal   from the   Partnership,
each Initial   Limited   Partner,   each   additional   Person that becomes a Limited
Partner   pursuant   to the   terms of this   Agreement   and any   Departing   General
Partner   upon the change of its status from General   Partner to Limited   Partner
pursuant to Section 11.3,   in each case,   in such   Person's   capacity as limited
partner   of the   Partnership;   provided,   however,   that when the term   "Limited
Partner" is used herein in the context of any vote or other approval,   including
Article   XIII and Article   XIV,   such term shall not,   solely for such   purpose,
include any holder of an Incentive   Distribution   Right   (solely with respect to
its   Incentive   Distribution   Rights and not with   respect to any other   Limited
Partner   Interest   held by such Person)   except as may   otherwise be required by
law.

      "Limited   Partner   Interest"   means the   ownership   interest   of a Limited
Partner in the   Partnership,   which may be   evidenced by Common   Units,   Class C
Units,   Subordinated Units,   Incentive   Distribution Rights or other Partnership
Securities or a combination   thereof or interest   therein,   and includes any and
all   benefits   to which such   Limited   Partner is   entitled   as provided in this
Agreement,   together with all obligations of such Limited Partner to comply with
the terms and provisions of this   Agreement;   provided,   however,   that when the
term   "Limited   Partner   Interest"   is used herein in the context of any vote or
other   approval,   including   Article XIII and Article XIV,   such term shall not,
solely for such purpose,   include any Incentive Distribution Right except as may
otherwise be required by law.


                                        12
<PAGE>


      "Liquidation   Date"   means (a) in the case of an event   giving rise to the
dissolution   of the   Partnership of the type described in clauses (a) and (b) of
the first sentence of Section 12.2, the date on which the applicable time period
during   which   the   holders   of   Outstanding   Units   have the   right to elect to
continue the business of the   Partnership   has expired   without such an election
being   made,   and   (b) in the   case   of   any   other   event   giving   rise   to the
dissolution of the Partnership, the date on which such event occurs.

      "Liquidator"   means one or more Persons selected by the General Partner to
perform the functions   described in Section 12.4 as   liquidating   trustee of the
Partnership within the meaning of the Delaware Act.

      "Maintenance   Capital   Expenditures"   means cash   expenditures   (including
expenditures   for the addition or improvement to the capital assets owned by any
Group Member or for the   acquisition of existing,   or the   construction   of new,
capital assets) if such   expenditures   are made to maintain,   including over the
long   term,   the   operating   capacity   or   revenues   of the   Partnership   Group.
Maintenance   Capital   Expenditures   shall   not   include   (a)   Expansion   Capital
Expenditures or (b) Investment Capital Expenditures.

      "Merger Agreement" has the meaning assigned to such term in Section 14.1.

      "Midstream   Services   and Gas   Dedication   Agreement"   means that   certain
Midstream   Services and Gas Dedication   Agreement   dated the Closing Date by and
between the Operating Company and QRC.

      "Minimum   Quarterly   Distribution"   means   $0.425 per Unit per Quarter (or
with respect to the period commencing on December 1, 2006 and ending on December
31, 2006,   it means the product of $0.425   multiplied by a fraction of which the
numerator is the number of days in such period and of which the   denominator   is
92),   subject to   adjustment in   accordance   with Section 5.12,   Section 6.6 and
Section 6.9.

      "National   Securities   Exchange" means the New York Stock Exchange and the
Nasdaq Global Market.

      "Net Agreed Value" means, (a) in the case of any Contributed Property, the
Agreed Value of such property   reduced by any liabilities   either assumed by the
Partnership   upon such   contribution   or to which such   property is subject when
contributed,   (b) in the case of any   property   distributed   to a Partner by the
Partnership,   the   Partnership's   Carrying   Value of such   property (as adjusted
pursuant   to   Section   5.5(d)(ii))   at the time such   property   is   distributed,
reduced   by   any    indebtedness    either   assumed   by   such   Partner   upon   such
distribution   or to which such property is subject at the time of   distribution,
in either case, as determined under Section 752 of the Code.

      "Net   Income"   means,   for any taxable   year,   the excess,   if any, of the
Partnership's   items of income   and gain   (other   than   those   items   taken into
account in the   computation of Net   Termination   Gain, Net   Termination   Loss or
Required Sale Gain) for such taxable year over the   Partnership's   items of loss
and deduction   (other than those items taken into account in the   computation of
Net Termination   Gain or Net Termination   Loss) for such taxable year. The items
included in the calculation of Net Income shall be determined in accordance with
Section 5.5(b)


                                       13
<PAGE>


and shall not   include   any items   specially   allocated   under   Section   6.1(d);
provided, that the determination of the items that have been specially allocated
under Section   6.1(d) shall be made as if Section   6.1(d)(xii)   were not in this
Agreement.

      "Net Loss"   means,   for any   taxable   year,   the   excess,   if any,   of the
Partnership's   items of loss and   deduction   (other   than those items taken into
account in the   computation of Net   Termination   Gain, Net   Termination   Loss or
Required Sale Gain) for such taxable year over the Partnership's items of income
and gain (other than those items taken into   account in the   computation   of Net
Termination   Gain or Net   Termination   Loss) for such   taxable   year.   The items
included in the   calculation of Net Loss shall be determined in accordance   with
Section 5.5(b) and shall not include any items specially allocated under Section
6.1(d);   provided,   that the determination of the items that have been specially
allocated under Section 6.1(d) shall be made as if Section   6.1(d)(xii) were not
in this Agreement.

      "Net Positive Adjustments" means, with respect to any Partner, the excess,
if any, of the total positive   adjustments   over the total negative   adjustments
made to the   Capital   Account of such   Partner   pursuant   to Book-Up   Events and
Book-Down Events.

      "Net Termination   Gain" means, for any taxable year, the sum, if positive,
of all items of income,   gain,   loss or deduction   recognized by the Partnership
after   the   Liquidation   Date   (other   than   items   taken   into   account   in the
computation of Required Sale Gain).   The items included in the   determination of
Net   Termination   Gain shall be determined in accordance with Section 5.5(b) and
shall not include any items of income,   gain or loss specially   allocated   under
Section 6.1(d).

      "Net Termination   Loss" means, for any taxable year, the sum, if negative,
of all items of income,   gain,   loss or deduction   recognized by the Partnership
after   the   Liquidation   Date   (other   than   items   taken   into   account   in the
computation of Required Sale Gain).   The items included in the   determination of
Net   Termination   Loss shall be determined in accordance with Section 5.5(b) and
shall not include any items of income,   gain or loss specially   allocated   under
Section 6.1(d).

      "Non-citizen   Assignee"   means a   Person   whom   the   General   Partner   has
determined does not constitute an Eligible   Citizen and as to whose   Partnership
Interest the General Partner has become the Limited Partner, pursuant to Section
4.9.

      "Nonrecourse    Built-in   Gain"   means   with   respect   to   any   Contributed
Properties   or   Adjusted   Properties   that are   subject to a mortgage   or pledge
securing a Nonrecourse   Liability,   the amount of any taxable gain that would be
allocated    to   the    Partners    pursuant   to   Section    6.2(b)(i)(A),    Section
6.2(b)(ii)(A),   and Section 6.2(b)(iii) if such properties were disposed of in a
taxable   transaction in full   satisfaction of such   liabilities and for no other
consideration.

      "Nonrecourse   Deductions"   means any and all items of loss,   deduction   or
expenditure   (including any expenditure described in Section 705(a)(2)(B) of the
Code) that, in accordance   with the   principles of Treasury   Regulation   Section
1.704-2(b), are attributable to a Nonrecourse Liability.

      "Nonrecourse   Liability" has the meaning set forth in Treasury   Regulation
Section 1.752-1(a)(2).


                                       14
<PAGE>


      "Notice of Election to Purchase" has the meaning   assigned to such term in
Section 15.1(b).

      "Omnibus Agreement" means that certain Omnibus Agreement,   dated as of the
Closing Date,   among QRC, the General Partner,   the   Partnership,   the Operating
Company, and certain other parties thereto, as such may be amended, supplemented
or restated from time to time.

       "Operating   Company"   means   Bluestem   Pipeline,   LLC, a Delaware   limited
liability   company,   the   membership   interests   of which were   acquired   by the
Partnership pursuant to the Contribution Agreement, and any successors thereto.

      "Operating Expenditures" means all Partnership Group cash expenditures (or
the    Partnership's    proportionate    share   of   expenditures   in   the   case   of
Subsidiaries that are not wholly owned), including taxes,   reimbursements of the
General Partner in accordance with this Agreement,   interest payments, repayment
of Working Capital Borrowings, Maintenance Capital Expenditures and non-Pro Rata
repurchases   of Units   (other   than those made with the   proceeds   of an Interim
Capital   Transaction),   payments made in the ordinary   course of business   under
Commodity   Hedge   Contracts   (excluding   payments   made in   connection   with any
termination   of a Commodity   Hedge   Contract   prior to its stated   expiration or
termination date), provided that with respect to amounts paid in connection with
the initial   purchase or placing of a Commodity Hedge   Contract,   such amount(s)
shall be amortized   over the expected   term of the   applicable   Commodity   Hedge
Contract and, if earlier, upon its termination, subject to the following:

          (a) Payments   (including   prepayments   and   prepayment   penalties)   of
     principal   of and   premium   on   indebtedness   other   than   Working   Capital
     Borrowings shall not constitute Operating Expenditures.

          (b) Operating   Expenditures   shall not include (i)   Expansion   Capital
     Expenditures   (ii)   Investment   Capital   Expenditures,    (iii)   payment   of
     transaction    expenses    (including   taxes)   relating   to   Interim   Capital
     Transactions or (iv) distributions to Partners.

          (c) Where capital   expenditures are made in part for Expansion Capital
     Expenditures   and in part for other   purposes,   the General   Partner,   with
     Special Approval,   shall determine the allocation   between the amounts paid
     for each.

      "Operating   Surplus" means, with respect to any period ending prior to the
Liquidation Date, on a cumulative basis and without duplication,

          (d)   the   sum   of   (i) $8   million,   (ii)   all   cash   receipts   of the
     Partnership   Group   (or   the   Partnership's   proportionate   share   of   cash
     receipts   in the case of   Subsidiaries   that are not wholly   owned) for the
     period   beginning   on the   Closing   Date and ending on the last day of such
     period,   but   excluding   cash receipts   from Interim   Capital   Transactions
     (except to the extent specified in Section 6.4), (iii) all cash receipts of
     the Partnership   Group (or the   Partnership's   proportionate   share of cash
     receipts in the case of   Subsidiaries   that are not wholly owned) after the
     end of such period but on or before the date of   determination of Operating
     Surplus   with   respect   to   such   period   resulting   from   Working   Capital
     Borrowings   and (iv) the amount of   distributions   paid on equity issued in
     connection with the   construction   or development of a Capital   Improvement
     and paid during the period


                                       15
<PAGE>


      beginning   on   the   date   that   the   Partnership   enters   into   a   binding
      commitment   to   commence   construction   or   development   of   such   Capital
      Improvement   and   ending   on the   earlier   to occur of the date   that such
      Capital Improvement   Commences   Commercial Service and the date that it is
      abandoned   or   disposed   of   (equity   issued to fund the   construction   or
      development period interest payments on debt incurred   (including periodic
      net payments under related interest rate swap agreements), or construction
      or   development   period   distributions   on equity   issued,   to finance the
      construction or development of a Capital   Improvement shall also be deemed
      to be equity   issued to   finance   the   construction   or   development   of a
      Capital Improvement for purposes of this clause (iv)), less

          (e) the sum of (i) Operating   Expenditures for the period beginning on
     the   Closing   Date and   ending on the last day of such   period and (ii) the
     amount of cash reserves established by the General Partner to provide funds
     for future Operating   Expenditures;   provided,   however, that disbursements
     made (including   contributions to a Group Member or disbursements on behalf
     of a Group Member) or cash reserves established, increased or reduced after
     the end of such   period   but on or   before   the   date of   determination   of
     Available   Cash with   respect to such   period   shall be deemed to have been
     made,   established,   increased   or reduced,   for   purposes   of   determining
     Operating Surplus, within such period if the General Partner so determines.

      Notwithstanding   the   foregoing,   "Operating   Surplus" with respect to the
Quarter in which the   Liquidation   Date occurs and any subsequent   Quarter shall
equal zero.

      "Opinion   of   Counsel"   means a written   opinion   of   counsel   (who may be
regular   counsel   to   the   Partnership   or   the   General   Partner   or any of its
Affiliates) acceptable to the General Partner.

      "Option   Closing   Date" means the date or dates on which any Common   Units
are   sold   by   the   Partnership   to   the   Underwriters    upon   exercise   of   the
Over-Allotment Option.

      "Organizational   Limited   Partner"   means   QRC   in   its   capacity   as   the
organizational limited partner of the Partnership pursuant to this Agreement.

      "Outstanding"    means,   with   respect   to   Partnership    Securities,    all
Partnership   Securities   that are issued by the   Partnership   and   reflected   as
outstanding   on   the   Partnership's    books   and   records   as   of   the   date   of
determination; provided, however, that if at any time any Person or Group (other
than the General Partner, QRC or their Affiliates) beneficially owns 20% or more
of the Outstanding   Partnership   Securities of any class then   Outstanding,   all
Partnership   Securities   owned by such Person or Group shall not be voted on any
matter and shall not be considered to be Outstanding   when sending   notices of a
meeting of Limited Partners to vote on any matter (unless otherwise   required by
law),   calculating   required votes,   determining the presence of a quorum or for
other similar purposes under this Agreement, except that Units so owned shall be
considered to be   Outstanding   for purposes of Section   11.1(b)(iv)   (such Units
shall not, however, be treated as a separate class of Partnership Securities for
purposes of this Agreement);   provided,   further,   that the foregoing limitation
shall not   apply to (i) any   Person   or Group   who   acquired   20% or more of the
Outstanding Partnership Securities of any class then


                                       16
<PAGE>


Outstanding directly from the General Partner or its Affiliates, (ii) any Person
or Group who acquired 20% or more of the Outstanding   Partnership   Securities of
any   class   then   Outstanding   directly   or   indirectly   from a Person   or Group
described in clause (i) provided   that the General   Partner   shall have notified
such Person or Group in writing that such limitation shall not apply,   (iii) any
Person or Group who acquired 20% or more of any Partnership Securities issued by
the   Partnership   with the prior   approval of the Board of Directors or (iv) any
Person or Group who   acquired   an   aggregate   of 20% or more of the   Outstanding
Partnership   Securities   of any class then   outstanding   by virtue of a purchase
made from an Initial Private Purchaser or its Affiliates.

      "Over-Allotment   Option"   means an   over-allotment   option   granted to the
Underwriters by the Partnership pursuant to an underwriting agreement.

      "Partner    Nonrecourse   Debt"   has   the   meaning   set   forth   in   Treasury
Regulation Section 1.704-2(b)(4).

      "Partner   Nonrecourse   Debt   Minimum   Gain" has the   meaning   set forth in
Treasury Regulation Section 1.704-2(i)(2).

      "Partner   Nonrecourse   Deductions"   means   any   and   all   items   of   loss,
deduction   or   expenditure   (including   any   expenditure   described   in   Section
705(a)(2)(B)   of the Code) that, in accordance   with the   principles of Treasury
Regulation Section 1.704-2(i), are attributable to a Partner Nonrecourse Debt.

      "Partners" means the General Partner and the Limited Partners.

      "Partnership"   means Quest   Midstream   Partners,   L.P., a Delaware limited
partnership.

      "Partnership Group" means the Partnership and its Subsidiaries   treated as
a single consolidated entity.

      "Partnership   Interest" means an interest in the Partnership,   which shall
include the General Partner Interest and Limited Partner Interests.

      "Partnership Minimum Gain" means that amount determined in accordance with
the principles of Treasury Regulation Section 1.704-2(d).

      "Partnership Security" means any class or series of equity interest in the
Partnership (but excluding any options, rights, warrants and appreciation rights
relating to an equity   interest in the   Partnership),   including   Common   Units,
Class   C   Units,    Subordinated   Units,   General   Partner   Units   and   Incentive
Distribution Rights.

      "Per Unit Capital   Amount"   means,   as of any date of   determination,   the
Capital   Account,   stated   on a per Unit   basis,   underlying   any Unit held by a
Person other than the General   Partner or any   Affiliate of the General   Partner
who holds Units.

      "Percentage   Interest" means as of any date of determination (a) as to the
General   Partner with respect to General   Partner Units and as to any Unitholder
with respect to Units,   the product   obtained by   multiplying   (i) 100% less the
percentage applicable to clause (b) below by (ii) the


                                       17
<PAGE>


quotient   obtained by dividing (A) the number of General   Partner   Units held by
the General Partner or the number of Units held by such Unitholder,   as the case
may be, by (B) the total number of Outstanding   Units and General Partner Units,
and   (b) as to   the   holders   of   other   Partnership   Securities   issued   by the
Partnership in accordance with Section 5.6, the percentage established as a part
of   such   issuance.   The   Percentage   Interest   with   respect   to   an   Incentive
Distribution Right shall at all times be zero.

      "Person" means an individual or a   corporation,   firm,   limited   liability
company,    partnership,    joint   venture,   trust,   unincorporated   organization,
association, government agency or political subdivision thereof or other entity.

      "Pro Rata" means (a) when used with respect to Units or any class thereof,
apportioned equally among all designated Units in accordance with their relative
Percentage Interests,   (b) when used with respect to Partners or Record Holders,
apportioned   among all   Partners   or Record   Holders   in   accordance   with their
relative   Percentage   Interests   and (c) when used with   respect   to   holders of
Incentive   Distribution   Rights,    apportioned   equally   among   all   holders   of
Incentive   Distribution   Rights   in   accordance   with   the   relative   number   or
percentage of Incentive Distribution Rights held by each such holder.

      "Purchase   Agreement"   means that certain   Purchase   Agreement dated as of
even date herewith   among the   Partnership   and the Initial   Private   Purchasers
providing for the purchase of Common Units from the Partnership.

      "Purchase   Date" means the date   determined by the General   Partner as the
date for   purchase of all   Outstanding   Limited   Partner   Interests of a certain
class (other than Limited Partner Interests owned by the General Partner and its
Affiliates) pursuant to Article XV.

      "QRC" means Quest Resource Corporation, a Nevada corporation.

      "Quarter" means, unless the context requires   otherwise,   a fiscal quarter
of the   Partnership,   or,   with   respect   to the   first   fiscal   quarter   of the
Partnership   after   the   Closing   Date,   the   portion   of   such   fiscal   quarter
commencing on December 1, 2006.

      "Recapture Income" means any gain recognized by the Partnership   (computed
without regard to any   adjustment   required by Section 734 or Section 743 of the
Code) upon the   disposition of any property or asset of the   Partnership,   which
gain is   characterized as ordinary income because it represents the recapture of
deductions previously taken with respect to such property or asset.

      "Record   Date"   means   the date   established   by the   General   Partner   or
otherwise in accordance   with this Agreement for determining (a) the identity of
the Record Holders   entitled to notice of, or to vote at, any meeting of Limited
Partners or entitled to vote by ballot or give approval of Partnership action in
writing   without a meeting   or   entitled   to   exercise   rights in respect of any
lawful action of Limited Partners or (b) the identity of Record Holders entitled
to receive any report or distribution or to participate in any offer.

      "Record Holder" means the Person in whose name a Common Unit is registered
on the books of the Transfer Agent as of the opening of business on a particular
Business Day, or with


                                       18
<PAGE>


respect to other Partnership Interests,   the Person in whose name any such other
Partnership   Interest is   registered   on the books that the General   Partner has
caused to be kept as of the opening of business on such Business Day.

      "Redeemable   Interests"   means   any   Partnership   Interests   for   which   a
redemption   notice   has been   given,   and has not been   withdrawn,   pursuant   to
Section 4.10.

      "Registration   Rights   Agreement" means that certain   Registration   Rights
Agreement   dated as of even date herewith among the   Partnership and the Initial
Private Purchasers.

      "Remaining   Net Positive   Adjustments"   means as of the end of any taxable
period, (i) with respect to the Unitholders   holding Common Units, Class C Units
or   Subordinated   Units,   the excess of (a) the Net Positive   Adjustments of the
Unitholders   holding Common Units, Class C Units or Subordinated Units as of the
end of such period over (b) the sum of those   Partners' Share of Additional Book
Basis Derivative   Items for each prior taxable period,   (ii) with respect to the
General Partner (as holder of the General Partner Units),   the excess of (a) the
Net   Positive   Adjustments   of the General   Partner as of the end of such period
over   (b) the sum of the   General   Partner's   Share   of   Additional   Book   Basis
Derivative   Items   with   respect   to the   General   Partner   Units for each prior
taxable period, and (iii) with respect to the holders of Incentive   Distribution
Rights,   the   excess   of (a) the Net   Positive   Adjustments   of the   holders   of
Incentive   Distribution   Rights as of the end of such period over (b) the sum of
the Share of   Additional   Book   Basis   Derivative   Items of the   holders   of the
Incentive Distribution Rights for each prior taxable period.

      "Required   Allocations" means (a) any limitation imposed on any allocation
of Net   Losses   or Net   Termination   Losses   under   Section   6.1(b)   or   Section
6.1(c)(ii) and (b) any allocation of an item of income,   gain, loss or deduction
pursuant to Section 6.1(d)(i), Section 6.1(d)(ii),   Section 6.1(d)(iv),   Section
6.1(d)(v), Section 6.1(d)(vii) or Section 6.1(d)(ix).

      "Required Sale" means the right of the Initial Private Purchasers to force
a sale of the   Partnership or its assets as more   specifically   described in the
Investors' Rights Agreement.

      "Required Sale Gain" means, for any taxable year, the sum, if positive, of
all items of income,   gain, loss or deduction recognized by the Partnership upon
a sale of its assets in a Required Sale.

      "Required Sale Loss" means, for any taxable year, the sum, if negative, of
all items of income,   gain, loss or deduction recognized by the Partnership upon
a sale of its assets in a Required Sale.

      "Required   Sale Premium"   means (i) 110% if the Required Sale is completed
within 180 days or less after the Initial Private Purchasers   provided notice of
their   exercise   of   their   right   to a   Required   Sale in   accordance   with the
Investors'   Rights   Agreement,   (ii) 117.5% if the Required Sale is completed no
less than 181 days nor more than 270 days after the Initial   Private   Purchasers
provided   notice   of   their   exercise   of   their   right   to a   Required   Sale in
accordance with the Investors' Rights Agreement, (iii) 125% if the Required Sale
is   completed   no less   than 271 days nor more than 360 days   after the   Initial
Private   Purchasers   provided   notice   of their   exercise   of   their   right to a
Required Sale in accordance with the Investors' Rights Agreement, (iv) 132.5% if
the   Required   Sale is   completed   no less   than 361 days nor more than 450 days
after the


                                       19
<PAGE>


Initial Private Purchasers provided notice of their exercise of their right to a
Required Sale in accordance with the Investors' Rights Agreement and (v) 140% if
the   Required   Sale is   completed   more than 450 days after the Initial   Private
Purchasers   provided   notice of their exercise of their right to a Required Sale
in accordance with the Investors' Rights Agreement.

      "Reset Notice" has the meaning assigned to such term in Section 5.12(b).

      "Residual   Gain" or "Residual Loss" means any item of gain or loss, as the
case may be, of the   Partnership   recognized   for   federal   income tax   purposes
resulting from a sale,   exchange or other disposition of a Contributed   Property
or Adjusted   Property,   to the extent such item of gain or loss is not allocated
pursuant to Section   6.2(b)(i)(A)   or Section   6.2(b)(ii)(A),   respectively,   to
eliminate Book-Tax Disparities.

      "Retained   Converted   Subordinated   Unit" has the meaning assigned to such
term in Section 5.5(c)(ii).

      "Second   Liquidation   Target Amount" has the meaning assigned to such term
in Section 6.1(c)(i)(F).

      "Second Target   Distribution" means $0.5325 per Unit per Quarter (or, with
respect to the period   commencing on December 1, 2006 and ending on December 31,
2006,   it means the   product of $0.5325   multiplied   by a fraction   of which the
numerator   is equal   to the   number   of days in such   period   and of   which   the
denominator   is 92),   subject to   adjustment   in   accordance   with Section 5.12,
Section 6.6 and Section 6.9.

      "Securities    Act"   means   the    Securities    Act   of   1933,   as   amended,
supplemented or restated from time to time and any successor to such statute.

      "Securities   Exchange Act" means the   Securities   Exchange Act of 1934, as
amended,   supplemented   or restated   from time to time and any successor to such
statute.

      "Share of Additional Book Basis Derivative Items" means in connection with
any allocation of Additional Book Basis Derivative Items for any taxable period,
(i) with   respect to the   Unitholders   holding   Common   Units,   Class C Units or
Subordinated Units, the amount that bears the same ratio to such Additional Book
Basis Derivative Items as the Unitholders' Remaining Net Positive Adjustments as
of the   end of   such   period   bears   to the   Aggregate   Remaining   Net   Positive
Adjustments as of that time, (ii) with respect to the General Partner (as holder
of the   General   Partner   Units),   the amount   that bears the same ratio to such
Additional Book Basis   Derivative Items as the General   Partner's   Remaining Net
Positive   Adjustments   as of the   end of   such   period   bears   to the   Aggregate
Remaining Net Positive Adjustment as of that time, and (iii) with respect to the
Partners holding Incentive   Distribution   Rights, the amount that bears the same
ratio to such   Additional   Book   Basis   Derivative   Items as the   Remaining   Net
Positive   Adjustments of the Partners holding the Incentive   Distribution Rights
as of the end of such   period   bears to the   Aggregate   Remaining   Net   Positive
Adjustments as of that time.

      "Special   Approval"   means   approval   by a majority   of the members of the
Conflicts Committee acting in good faith.


                                        20
<PAGE>


      "Subordinated   Unit"   means   a   Class   A   Subordinated   Unit   or a Class B
Subordinated Unit. The term   "Subordinated   Unit" does not include a Common Unit
or Class C Unit.   A   Subordinated   Unit that is   convertible   into a Common Unit
shall not constitute a Common Unit until such conversion occurs.

      "Subordination Period" means the period commencing on the Closing Date and
ending on the first to occur of the following dates:

          (f)   The   first   day   of   any   Quarter   beginning   after   the   seventh
     anniversary   of the Closing   Date or, if the Initial   Public   Offering   has
     occurred,    the   first   day   of   any   Quarter   beginning   after   the   fifth
     anniversary of the closing of the Initial Public   Offering,   in either case
     in respect of which (i) (A)   distributions of Available Cash from Operating
     Surplus on each of the   Outstanding   Common Units,   Subordinated   Units and
     General   Partner Units and any other   Outstanding   Units that are senior or
     equal in right of   distribution to the   Subordinated   Units with respect to
     each   of   the   three   consecutive,    non-overlapping   four-Quarter   periods
     immediately   preceding such date equaled or exceeded the sum of the Minimum
     Quarterly Distribution on all Outstanding Common Units,   Subordinated Units
     and General Partner Units and any other   Outstanding   Units that are senior
     or equal in right of   distribution   to the   Subordinated   Units during such
     periods   and (B) the   Adjusted   Operating   Surplus   for   each of the   three
     consecutive,   non-overlapping   four-Quarter   periods immediately   preceding
     such date equaled or exceeded the sum of the Minimum Quarterly Distribution
     on all of the Common Units,   Subordinated   Units and General   Partner Units
     and any other   Units that are senior or equal in right of   distribution   to
     the Subordinated Units that were Outstanding during such periods on a Fully
     Diluted Basis and (ii) there are no Cumulative Common Unit Arrearages; and

          (g) the date on which   the   General   Partner   is   removed   as   general
     partner   of   the   Partnership    upon   the   requisite   vote   by   holders   of
     Outstanding Units under   circumstances where Cause does not exist and Units
     held by the General   Partner and its   Affiliates   are not voted in favor of
     such removal.

      "Subsidiary" means, with respect to any Person, (a) a corporation of which
more than 50% of the   voting   power of shares   entitled   (without   regard to the
occurrence   of any   contingency)   to vote in the   election of directors or other
governing body of such corporation is owned, directly or indirectly, at the date
of determination,   by such Person, by one or more Subsidiaries of such Person or
a combination   thereof,   (b) a partnership (whether general or limited) in which
such Person or a Subsidiary of such Person is, at the date of   determination,   a
general or limited partner of such partnership, but only if more than 50% of the
partnership   interests of such   partnership   (considering all of the partnership
interests   of   the   partnership   as   a   single   class)   is   owned,   directly   or
indirectly,   at the   date   of   determination,   by   such   Person,   by one or more
Subsidiaries of such Person, or a combination   thereof,   or (c) any other Person
(other than a corporation   or a partnership)   in which such Person,   one or more
Subsidiaries of such Person, or a combination   thereof,   directly or indirectly,
at the date of determination,   has (i) at least a majority ownership interest or
(ii) the power to elect or direct the election of a majority of the directors or
other governing body of such Person.

      "Surviving   Business   Entity"   has the   meaning   assigned   to such term in
Section 14.2(b).


                                       21
<PAGE>


      "Target Distribution" means, collectively,   the First Target Distribution,
the Second Target Distribution and the Third Target Distribution.

      "Third   Liquidation   Target Amount" has the meaning assigned to such terms
in Section 6.1(c)(1)(G).

      "Third Target   Distribution"   means $0.6375 per Unit per Quarter (or, with
respect to the period   commencing on December 1, 2006 and ending on December 31,
2006,   it means the   product of $0.6375   multiplied   by a fraction   of which the
numerator   is equal   to the   number   of days in such   period   and of   which   the
denominator   is 92) subject to   adjustment   in   accordance   with   Section   5.12,
Section 6.6 and Section 6.9.

      "Trading Day" has the meaning assigned to such term in Section 15.1(a).

      "transfer" has the meaning assigned to such term in Section 4.4(a).

      "Transfer Agent" means such bank, trust company or other Person (including
the General Partner or one of its Affiliates) as shall be appointed from time to
time by the   General   Partner to act as   registrar   and   transfer   agent for the
Common Units; provided, that if no Transfer Agent is specifically designated for
any   other   Partnership   Securities,   the   General   Partner   shall   act in   such
capacity.

      "Underwriters" means the underwriters in the Initial Public Offering.

      "Unit" means a   Partnership   Security   that is   designated as a "Unit" and
shall   include   Common   Units,   Class C Units   and   Subordinated   Units,   each a
separate class,   but shall not include (i) General Partner Units (or the General
Partner Interest represented thereby) or (ii) Incentive Distribution Rights.

      "Unit   Majority"   means (i) during the   Subordination   Period,   at least a
majority of the Outstanding   Common Units   (excluding   Common Units owned by the
General Partner and its Affiliates),   voting as a class, and at least a majority
of the Outstanding Subordinated Units, voting as a class, and (ii) after the end
of the Subordination Period, at least a majority of the Outstanding Common Units
and Class C Units, if any, voting as a single class.

      "Unitholders" means the holders of Units.

      "Unpaid    MQD"   has   the    meaning    assigned   to   such   term   in   Section
6.4(c)(i)(2).

      "Unrealized Gain" attributable to any item of Partnership   property means,
as of any date of   determination,   the   excess,   if any,   of (a) the fair market
value of such property as of such date (as determined under Section 5.5(d)) over
(b) the Carrying Value of such property as of such date (prior to any adjustment
to be made pursuant to Section 5.5(d) as of such date).

      "Unrealized Loss" attributable to any item of Partnership   property means,
as of any date of   determination,   the excess, if any, of (a) the Carrying Value
of such property as of such date (prior to any adjustment to be made pursuant to
Section   5.5(d) as of such date) over (b) the fair market value of such property
as of such date (as determined under Section 5.5(d)).


                                       22
<PAGE>


      "Unrecovered   Initial   Unit Price"   means at any time,   with   respect to a
Unit,   the   Initial   Unit Price less the sum of all   distributions   constituting
Capital   Surplus   theretofore   made in respect of an Initial Common Unit and any
distributions of cash (or the Net Agreed Value of any   distributions in kind) in
connection with the   dissolution and liquidation of the Partnership   theretofore
made in respect of an Initial   Common   Unit,   adjusted   as the   General   Partner
determines to be appropriate to give effect to any distribution,   subdivision or
combination   of such Units.   From and after the   closing of the   Initial   Public
Offering, the Unrecovered Initial Unit Price shall be determined by reference to
the Initial Unit Price per Common Unit in such Initial Public Offering.

      "U.S. GAAP" means United States generally accepted   accounting   principles
consistently applied.

      "Withdrawal   Opinion of Counsel" has the meaning   assigned to such term in
Section 11.1(b).

      "Working   Capital   Borrowings"   means   borrowings   used solely for working
capital   purposes or to pay   distributions to Partners made pursuant to a credit
facility or other   arrangement   requiring all such   borrowings   thereunder to be
reduced to a relatively   small amount each year for an   economically   meaningful
period of time.

     Section 1.2 Construction.   Unless the context requires   otherwise:   (a) any
pronoun   used in this   Agreement   shall   include   the   corresponding   masculine,
feminine or neuter   forms,   and the singular   form of nouns,   pronouns and verbs
shall include the plural and vice versa; (b) references to Articles and Sections
refer to Articles   and   Sections   of this   Agreement;   (c) the terms   "include",
"includes",   "including"   or words of like import shall be deemed to be followed
by the words   "without   limitation";   and (d) the terms   "hereof",   "herein"   or
"hereunder"   refer   to   this   Agreement   as a whole   and   not to any   particular
provision of this   Agreement.   The table of contents   and headings   contained in
this Agreement are for reference   purposes only, and shall not affect in any way
the meaning or interpretation of this Agreement.

                                    ARTICLE II.

                                  Organization

     Section 2.1 Formation.   The General Partner and the Organizational   Limited
Partner have previously formed the Partnership as a limited partnership pursuant
to the   provisions of the Delaware Act and hereby amend and restate the original
Agreement   of Limited   Partnership   of Quest   Midstream   Partners,   L.P.   in its
entirety.   This amendment and restatement   shall become effective on the date of
this Agreement.   Except as expressly provided to the contrary in this Agreement,
the rights, duties (including fiduciary duties),   liabilities and obligations of
the   Partners   and   the   administration,   dissolution   and   termination   of   the
Partnership   shall be governed by the Delaware   Act. All   Partnership   Interests
shall constitute personal property of the owner thereof for all purposes.

     Section 2.2 Name.   The name of the   Partnership   shall be "Quest   Midstream
Partners, L.P." The Partnership's business may be conducted under any other name
or names as


                                       23
<PAGE>


determined by the General   Partner,   including the name of the General   Partner.
The words   "Limited   Partnership,"   "L.P.,"   "Ltd." or similar   words or letters
shall be included in the   Partnership's   name where necessary for the purpose of
complying   with the   laws of any   jurisdiction   that so   requires.   The   General
Partner may change the name of the Partnership at any time and from time to time
and shall   notify   the   Limited   Partners   of such   change   in the next   regular
communication to the Limited Partners.

     Section 2.3 Registered Office;   Registered Agent;   Principal Office;   Other
Offices.   Unless and until changed by the General Partner, the registered office
of the   Partnership   in the State of   Delaware   shall be located at 1209   Orange
Street,   Wilmington,   Delaware   19801,   and the registered   agent for service of
process on the   Partnership in the State of Delaware at such   registered   office
shall be The Corporation Trust Company.   The principal office of the Partnership
shall be   located at 9520 N. May   Avenue,   Suite 300,   Oklahoma   City,   Oklahoma
73120,   or such   other   place   as the   General   Partner   may   from   time to time
designate   by notice to the   Limited   Partners.   The   Partnership   may   maintain
offices at such other place or places within or outside the State of Delaware as
the General Partner shall determine necessary or appropriate. The address of the
General Partner shall be 9520 N. May Avenue,   Suite 300, Oklahoma City, Oklahoma
73120,   or such   other   place   as the   General   Partner   may   from   time to time
designate by notice to the Limited Partners.

     Section 2.4 Purpose and Business. The purpose and nature of the business to
be conducted   by the   Partnership   shall be to (a) engage   directly in, or enter
into or form, hold and dispose of any corporation,   partnership,   joint venture,
limited   liability   company or other   arrangement   to engage   indirectly in, any
business   activity that is approved by the General Partner and that lawfully may
be conducted   by a limited   partnership   organized   pursuant to the Delaware Act
and, in connection therewith, to exercise all of the rights and powers conferred
upon the   Partnership   pursuant   to the   agreements   relating   to such   business
activity,   and   (b) do   anything   necessary   or   appropriate   to the   foregoing,
including   the   making   of   capital   contributions   or loans to a Group   Member;
provided,   however,   that the General Partner shall not cause the Partnership to
engage,   directly   or   indirectly,   in any   business   activity   that the General
Partner   determines   would cause the Partnership to be treated as an association
taxable as a corporation   or otherwise   taxable as an entity for federal   income
tax purposes.   To the fullest extent permitted by law, the General Partner, and,
to the extent the   approval of the Investor   Representatives   is required by any
provision of this Agreement,   the Investor Representatives shall have no duty or
obligation   to propose or approve,   and may   decline to propose or approve,   the
conduct by the   Partnership   of any business free of any fiduciary or other duty
or   obligation   whatsoever   to the   Partnership   or any Limited   Partner and, in
declining   to so propose or approve,   shall not be required to act in good faith
or pursuant to any other standard   imposed by this   Agreement,   any Group Member
Agreement,   any other agreement contemplated hereby or under the Delaware Act or
any other law, rule or regulation or at equity.

     Section 2.5 Powers.   The   Partnership   shall be empowered to do any and all
acts and things necessary or appropriate for the furtherance and   accomplishment
of the purposes and business described in Section 2.4 and for the protection and
benefit of the Partnership.

     Section 2.6 Power of Attorney.


                                       24
<PAGE>


          (a) Each Limited   Partner hereby   constitutes and appoints the General
     Partner and, if a Liquidator   shall have been selected   pursuant to Section
     12.3,   the   Liquidator   (and any   successor   to the   Liquidator   by merger,
     transfer,   assignment,   election or otherwise) and each of their authorized
     officers   and   attorneys-in-fact,   as the case may be,   with full   power of
     substitution, as his true and lawful agent and attorney-in-fact,   with full
     power and authority in his name, place and stead, to:

               (i) execute,   swear to, acknowledge,   deliver, file and record in
          the   appropriate   public offices (A) all   certificates,   documents and
          other   instruments   (including   this Agreement and the   Certificate of
          Limited   Partnership   and all   amendments   or   restatements   hereof or
          thereof) that the General   Partner or the Liquidator   determines to be
          necessary or appropriate to form, qualify or continue the existence or
          qualification   of   the   Partnership   as a   limited   partnership   (or a
           partnership in which the limited   partners have limited   liability) in
          the   State of   Delaware   and in all other   jurisdictions   in which the
          Partnership    may    conduct    business   or   own    property;    (B)   all
          certificates, documents and other instruments that the General Partner
          or   the   Liquidator   determines   to be   necessary   or   appropriate   to
          reflect,   in   accordance   with   its   terms,   any   amendment,    change,
          modification or restatement of this Agreement;   (C) all   certificates,
          documents   and   other    instruments    (including    conveyances   and   a
          certificate   of    cancellation)    that   the   General   Partner   or   the
          Liquidator   determines to be necessary or   appropriate   to reflect the
          dissolution and   liquidation of the Partnership   pursuant to the terms
          of   this   Agreement;    (D)   all   certificates,    documents   and   other
          instruments   relating   to   the   admission,    withdrawal,    removal   or
          substitution of any Partner pursuant to, or other events described in,
          Article   IV,    Article   X,    Article   XI   or   Article    XII;   (E)   all
          certificates,    documents   and   other   instruments    relating   to   the
          determination   of the rights,   preferences and privileges of any class
          or series of Partnership   Securities   issued   pursuant to Section 5.6;
          and (F) all certificates,   documents and other instruments   (including
           agreements   and   a   certificate   of   merger)   relating   to   a   merger,
          consolidation   or   conversion of the   Partnership   pursuant to Article
          XIV; and

               (ii) execute, swear to, acknowledge, deliver, file and record all
          ballots, consents,   approvals,   waivers,   certificates,   documents and
          other    instruments    that   the   General   Partner   or   the   Liquidator
          determines to be necessary or   appropriate   to make,   evidence,   give,
          confirm   or ratify any vote,   consent,   approval,   agreement   or other
          action   that   is   made   or   given   by   the   Partners   hereunder   or is
          consistent with the terms of this Agreement or effectuate the terms or
          intent of this Agreement; provided, that when required by Section 13.3
          or any other provision of this Agreement that establishes a percentage
          of the Limited   Partners   or of the   Limited   Partners of any class or
          series   required   to take any   action,   the   General   Partner   and the
          Liquidator   may   exercise   the power of attorney   made in this Section
          2.6(a)(ii) only after the necessary   vote,   consent or approval of the
          Limited   Partners or of the Limited   Partners of such class or series,
          as applicable.

Nothing   contained in this Section 2.6(a) shall be construed as authorizing   the
General   Partner to amend this Agreement   except in accordance with Article XIII
or as may be otherwise expressly provided for in this Agreement.


                                       25
<PAGE>


     (b) The foregoing   power of attorney is hereby   declared to be   irrevocable
and a power   coupled with an interest,   and it shall survive and, to the maximum
extent permitted by law, not be affected by the subsequent death,   incompetency,
disability,   incapacity,   dissolution,   bankruptcy or termination of any Limited
Partner   and   the   transfer   of all or any   portion   of such   Limited   Partner's
Partnership    Interest   and   shall   extend   to   such   Limited   Partner's   heirs,
successors,   assigns and personal   representatives.   Each such   Limited   Partner
hereby agrees to be bound by any   representation   made by the General Partner or
the Liquidator acting in good faith pursuant to such power of attorney; and each
such Limited Partner,   to the maximum extent permitted by law, hereby waives any
and all   defenses   that may be available   to contest,   negate or   disaffirm   the
action of the General   Partner or the Liquidator   taken in good faith under such
power of attorney. Each Limited Partner shall execute and deliver to the General
Partner or the Liquidator, within 15 days after receipt of the request therefor,
such   further   designation,   powers of   attorney   and other   instruments   as the
General   Partner   or the   Liquidator   may   request in order to   effectuate   this
Agreement and the purposes of the Partnership.

     Section 2.7 Term. The term of the Partnership   commenced upon the filing of
the   Certificate of Limited   Partnership in accordance with the Delaware Act and
shall   continue   in   existence   until   the   dissolution   of the   Partnership   in
accordance   with the provisions of Article XII. The existence of the Partnership
as a   separate   legal   entity   shall   continue   until   the   cancellation   of the
Certificate of Limited Partnership as provided in the Delaware Act.

     Section   2.8 Title to   Partnership   Assets.   Title to   Partnership   assets,
whether real,   personal or mixed and whether   tangible or   intangible,   shall be
deemed to be owned by the Partnership as an entity, and no Partner, individually
or collectively, shall have any ownership interest in such Partnership assets or
any portion thereof.   Title to any or all of the Partnership   assets may be held
in the   name   of the   Partnership,   the   General   Partner,   one or   more   of its
Affiliates or one or more nominees,   as the General   Partner may determine.   The
General   Partner hereby   declares and warrants that any   Partnership   assets for
which record title is held in the name of the General   Partner or one or more of
its Affiliates or one or more nominees   shall be held by the General   Partner or
such   Affiliate   or   nominee   for the   use and   benefit   of the   Partnership   in
accordance with the provisions of this Agreement;   provided,   however,   that the
General   Partner   shall use   reasonable   efforts to cause   record   title to such
assets   (other   than   those   assets   in   respect   of which the   General   Partner
determines   that the expense and   difficulty of   conveyancing   makes transfer of
record title to the Partnership   impracticable)   to be vested in the Partnership
as soon   as   reasonably   practicable;   provided,   further,   that,   prior   to the
withdrawal   or   removal   of   the   General   Partner   or   as   soon   thereafter   as
practicable,   the General   Partner   shall use   reasonable   efforts to effect the
transfer of record title to the   Partnership   and,   prior to any such   transfer,
will provide for the use of such assets in a manner   satisfactory to the General
Partner.   All   Partnership   assets   shall be   recorded   as the   property   of the
Partnership in its books and records,   irrespective   of the name in which record
title to such Partnership assets is held.

                                  ARTICLE III.

                           Rights of Limited Partners

     Section 3.1   Limitation of Liability.   The Limited   Partners   shall have no
liability under this Agreement except as expressly provided in this Agreement or
the Delaware Act.



                                        26
<PAGE>


     Section 3.2 Management of Business.   No Limited Partner, in its capacity as
such,   shall   participate   in the operation,   management or control   (within the
meaning   of the   Delaware   Act)   of the   Partnership's   business,   transact   any
business in the   Partnership's   name or have the power to sign   documents for or
otherwise bind the Partnership. Any action taken by any Affiliate of the General
Partner or any officer,   director,   employee,   manager, member, general partner,
agent   or   trustee   of the   General   Partner   or any of its   Affiliates,   or any
officer, director,   employee, manager, member, general partner, agent or trustee
of a   Group   Member,   in   its   capacity   as   such,   shall   not be   deemed   to be
participation   in the control of the   business of the   Partnership   by a limited
partner of the   Partnership   (within   the   meaning of Section   17-303(a)   of the
Delaware Act) and shall not affect,   impair or eliminate the   limitations on the
liability of the Limited Partners under this Agreement.

     Section 3.3 Outside   Activities   of the   Limited   Partners.   Subject to the
provisions of Section 7.5,   which shall continue to be applicable to the Persons
referred   to   therein,   any   Limited   Partner   shall be entitled to and may have
business   interests   and engage in   business   activities   in   addition   to those
relating to the   Partnership,   including   business   interests and   activities in
direct competition with the Partnership   Group.   Neither the Partnership nor any
of the other   Partners   shall have any rights by virtue of this Agreement in any
business ventures of any Limited Partner.

     Section 3.4 Rights of Limited Partners.

          (a) In   addition to other   rights   provided   by this   Agreement   or by
     applicable   law,   and except as limited by   Section   3.4(b),   each   Limited
     Partner   shall have the   right,   for a purpose   reasonably   related to such
     Limited   Partner's   interest as a Limited Partner in the Partnership,   upon
     reasonable   written demand stating the purpose of such demand,   and at such
     Limited Partner's own expense:

               (i) to obtain true and full   information   regarding the status of
          the business and financial condition of the Partnership;

               (ii) promptly after its becoming   available,   to obtain a copy of
          the Partnership's federal, state and local income tax returns for each
          year;

               (iii) to   obtain   a   current   list of the   name   and   last   known
          business, residence or mailing address of each Partner;

               (iv) to obtain a copy of this   Agreement and the   Certificate   of
          Limited Partnership and all amendments   thereto,   together with copies
           of the   executed   copies of all powers of   attorney   pursuant to which
          this   Agreement,   the   Certificate   of   Limited   Partnership   and   all
          amendments thereto have been executed;

               (v) to obtain true and full   information   regarding the amount of
          cash and a   description   and   statement of the Net Agreed Value of any
          other Capital   Contribution   by each Partner and that each Partner has
          agreed to contribute in the future,   and the date on which each became
          a Partner; and


                                       27
<PAGE>


               (vi) to obtain such other   information   regarding   the affairs of
          the Partnership as is just and reasonable.

          (b) The   General   Partner   may   keep   confidential   from   the   Limited
     Partners,   for such period of time as the General Partner deems reasonable,
     (i) any information that the General Partner   reasonably   believes to be in
     the nature of trade   secrets or (ii) other   information   the   disclosure of
     which the   General   Partner in good faith   believes   (A) is not in the best
     interests of the Partnership   Group, (B) could damage the Partnership Group
     or its   business   or (C) that any   Group   Member is   required   by law or by
     agreement with any third party to keep confidential   (other than agreements
     with   Affiliates   of the   Partnership   the   primary   purpose of which is to
     circumvent the obligations set forth in this Section 3.4).

                                  ARTICLE IV.

                          Certificates; Record Holders;
                       Transfer of Partnership Interests;
                       Redemption of Partnership Interests

          Section 4.1 Certificates.   Upon the   Partnership's   issuance of Common
     Units,   Subordinated   Units or Class C Units to any Person, the Partnership
     shall issue,   upon the request of such Person,   one or more Certificates in
     the name of such   Person   evidencing   the   number   of such   Units   being so
     issued.   In   addition,    (a)   upon   the   General   Partner's   request,    the
     Partnership   shall issue to it one or more   Certificates in the name of the
     General   Partner   evidencing   its   General   Partner   Units and (b) upon the
     request of any Person   owning   Incentive   Distribution   Rights or any other
     Partnership Securities other than Common Units, Subordinated Units or Class
     C   Units,   the   Partnership    shall   issue   to   such   Person   one   or   more
     certificates    evidencing   such   Incentive   Distribution   Rights   or   other
     Partnership Securities other than Common Units, Subordinated Units or Class
     C Units. Certificates shall be executed on behalf of the Partnership by the
     Chairman of the Board,   President or any Executive Vice   President,   Senior
     Vice   President   or Vice   President   and   the   Secretary   or any   Assistant
     Secretary of the General Partner. No Common Unit Certificate shall be valid
     for any purpose   until it has been   countersigned   by the   Transfer   Agent;
     provided, however, that if the General Partner elects to issue Common Units
     in global form, the Common Unit Certificates shall be valid upon receipt of
     a certificate from the Transfer Agent certifying that the Common Units have
     been duly registered in accordance with the directions of the   Partnership.
     Subject to the   requirements   of Section   6.7(c) and   Section   6.7(e),   the
     Partners holding   Certificates   evidencing   Subordinated Units may exchange
     such Certificates for Certificates   evidencing Common Units on or after the
     date on which such   Subordinated   Units are   converted   into   Common   Units
     pursuant   to the terms of   Section   5.8.   Subject   to the   requirements   of
     Section 6.7(e), the Partners holding Certificates   evidencing Class C Units
     may exchange such Certificates for Certificates   evidencing Common Units on
     or after the period set forth in Section   5.12(f)   pursuant to the terms of
     Section 5.12.

          Section 4.2 Mutilated, Destroyed, Lost or Stolen Certificates.

          (a) If any mutilated   Certificate is surrendered to the Transfer Agent
     (for Common Units) or the General Partner (for Partnership Securities other
     than Common   Units),   the   appropriate   officers of the General   Partner on
     behalf of the Partnership shall execute, and the


                                       28
<PAGE>


Transfer   Agent (for   Common   Units) or the   General   Partner   (for   Partnership
Securities   other than Common Units) shall   countersign   and deliver in exchange
therefor,   a new Certificate   evidencing the same number and type of Partnership
Securities as the Certificate so surrendered.

          (b) The   appropriate   officers of the General Partner on behalf of the
     Partnership   shall execute and deliver,   and the Transfer Agent (for Common
     Units) shall   countersign,   a new   Certificate in place of any   Certificate
     previously issued if the Record Holder of the Certificate:

               (i) makes proof by affidavit,   in form and substance satisfactory
          to the General Partner,   that a previously issued Certificate has been
          lost, destroyed or stolen;

               (ii)   requests   the   issuance   of a new   Certificate   before   the
          General Partner has notice that the Certificate has been acquired by a
          purchaser   for value in good   faith and   without   notice of an adverse
          claim;

               (iii)   if   requested   by the   General   Partner,   delivers   to the
          General   Partner a bond,   in form and   substance   satisfactory   to the
          General   Partner,   with   surety   or   sureties   and with   fixed or open
          penalty   as   the   General    Partner   may   direct   to    indemnify    the
          Partnership,   the Partners, the General Partner and the Transfer Agent
          against   any claim that may be made on account   of the   alleged   loss,
          destruction or theft of the Certificate; and

               (iv) satisfies any other reasonable   requirements   imposed by the
          General Partner.

      If a   Limited   Partner   fails   to   notify   the   General   Partner   within a
reasonable period of time after he has notice of the loss,   destruction or theft
of a Certificate, and a transfer of the Limited Partner Interests represented by
the Certificate is registered before the Partnership, the General Partner or the
Transfer   Agent   receives   such   notification,   the   Limited   Partner   shall   be
precluded from making any claim against the Partnership,   the General Partner or
the Transfer Agent for such transfer or for a new Certificate.

          (c) As a condition to the issuance of any new   Certificate   under this
     Section   4.2,   the   General   Partner   may   require   the   payment   of a   sum
     sufficient   to   cover   any tax or   other   governmental   charge   that may be
     imposed in relation thereto and any other expenses   (including the fees and
     expenses of the Transfer Agent) reasonably connected therewith.

     Section 4.3 Record Holders.   The Partnership shall be entitled to recognize
the Record Holder as the Partner with respect to any   Partnership   Interest and,
accordingly, shall not be bound to recognize any equitable or other claim to, or
interest   in,   such   Partnership   Interest   on the   part   of any   other   Person,
regardless of whether the Partnership shall have actual or other notice thereof,
except   as   otherwise   provided   by   law   or any   applicable   rule,   regulation,
guideline   or   requirement   of any   National   Securities   Exchange on which such
Partnership   Interests are listed or admitted to trading.   Without   limiting the
foregoing,   when a Person   (such as a broker,   dealer,   bank,   trust   company or
clearing   corporation or an agent of any of the foregoing) is acting as nominee,
agent or in some other   representative   capacity for another Person in acquiring
and/or   holding   Partnership   Interests,   as between the   Partnership on the one
hand, and such other Persons on the other, such   representative   Person shall be
the Record Holder of such Partnership Interest.


                                       29
<PAGE>


     Section 4.4 Transfer Generally.

     (a) The term   "transfer,"   when used in this   Agreement   with   respect to a
Partnership Interest, shall be deemed to refer to a transaction (i) by which the
General   Partner assigns its General Partner Units to another Person or by which
a holder of Incentive   Distribution   Rights   assigns its Incentive   Distribution
Rights to   another   Person,   and   includes   a sale,   assignment,   gift,   pledge,
encumbrance,   hypothecation,   mortgage, exchange or any other disposition by law
or otherwise or (ii) by which the holder of a Limited   Partner   Interest   (other
than an Incentive   Distribution   Right) assigns such Limited Partner Interest to
another   Person   who is or   becomes   a Limited   Partner,   and   includes   a sale,
assignment,   gift,   exchange   or any   other   disposition   by   law or   otherwise,
including    any   transfer    upon    foreclosure    of   any   pledge,    encumbrance,
hypothecation or mortgage.

     (b) No   Partnership   Interest   shall be   transferred,   in whole or in part,
except in accordance with the terms and conditions set forth in this Article IV.
Any   transfer   or   purported   transfer   of a   Partnership   Interest   not made in
accordance with this Article IV shall be null and void.

     (c) Nothing   contained   in this   Agreement   shall be construed to prevent a
disposition by any   stockholder,   member,   partner or other owner of the General
Partner of any or all of the shares of stock, membership interests,   partnership
interests or other ownership interests in the General Partner.

     Section 4.5 Registration and Transfer of Limited Partner Interests.

     (a) The   General   Partner   shall   keep or cause to be kept on behalf of the
Partnership a register in which,   subject to such   reasonable   regulations as it
may prescribe and subject to the provisions of Section   4.5(b),   the Partnership
will provide for the registration and transfer of Limited Partner Interests. The
Transfer Agent is hereby appointed   registrar and transfer agent for the purpose
of   registering   Common   Units   and   transfers   of such   Common   Units as herein
provided.    The   Partnership   shall   not   recognize   transfers   of   Certificates
evidencing   Limited Partner   Interests unless such transfers are effected in the
manner   described in this   Section 4.5.   Upon   surrender   of a   Certificate   for
registration   of   transfer   of any   Limited   Partner   Interests   evidenced   by a
Certificate,   and subject to the provisions of Section   4.5(b),   the appropriate
officers of the General Partner on behalf of the   Partnership   shall execute and
deliver,   and in the case of Common Units, the Transfer Agent shall   countersign
and   deliver,   in   the   name   of the   holder   or the   designated   transferee   or
transferees, as required pursuant to the holder's instructions,   one or more new
Certificates   evidencing the same aggregate   number and type of Limited   Partner
Interests as was evidenced by the Certificate so surrendered.

     (b) Except as otherwise   provided in Section 4.9, the General Partner shall
not recognize any transfer of Limited Partner   Interests until the   Certificates
evidencing   such Limited Partner   Interests are surrendered for   registration of
transfer.   No charge shall be imposed by the General   Partner for such transfer;
provided,   that as a condition to the issuance of any new Certificate under this
Section 4.5, the General   Partner may require the payment of a sum sufficient to
cover any tax or other   governmental   charge   that may be imposed   with   respect
thereto.


                                       30
<PAGE>


     (c) Subject to (i) the   foregoing   provisions   of this   Section   4.5,   (ii)
Section   4.3,   (iii)   Section   4.8,   (iv) with respect to any class or series of
Limited Partner Interests, the provisions of any statement of designations or an
amendment   to   this   Agreement   establishing   such   class   or   series,   (v)   any
contractual   provisions   binding on any Limited   Partner and (vi)   provisions of
applicable law including the Securities Act,   Limited Partner   Interests   (other
than the Incentive Distribution Rights) shall be freely transferable.

      (d) The General Partner and its Affiliates and QRC and its Affiliates shall
have the right at any time to transfer their   Subordinated   Units, Class C Units
and Common Units (whether   issued upon conversion of the   Subordinated   Units or
otherwise) to one or more Persons.

     Section 4.6 Transfer of the General Partner's General Partner Interest.

     (a) Subject to Section 4.6(c),   prior to the first day of the first Quarter
beginning   after the tenth   anniversary of the Closing Date, the General Partner
shall not transfer all or any part of its General Partner Interest   (represented
by General Partner Units) to a Person unless such transfer (i) has been approved
by the prior   written   consent or vote of the   holders of at least a majority of
the Outstanding Common Units (excluding Common Units held by the General Partner
and its   Affiliates)   or (ii) is of all,   but not less than all,   of its General
Partner   Interest   to (A) an   Affiliate   of the General   Partner   (other than an
individual) or (B) another Person (other than an individual) in connection   with
the   merger or   consolidation   of the   General   Partner   with or into such other
Person or the transfer by the General Partner of all or substantially all of its
assets to such other Person.

      (b)   Subject   to   Section   4.6(c),   on or after   the first day of the first
Quarter   beginning after the tenth   anniversary of the Closing Date, the General
Partner   may   transfer   all   or   any of its   General   Partner   Interest   without
Unitholder approval.

     (c)   Notwithstanding   anything   herein to the contrary,   no transfer by the
General   Partner of all or any part of its General   Partner   Interest to another
Person shall be permitted unless (i) the transferee   agrees to assume the rights
and duties of the General   Partner   under this   Agreement and to be bound by the
provisions   of this   Agreement,   (ii) the   Partnership   receives   an   Opinion of
Counsel that such transfer would not result in the loss of limited   liability of
any   Limited   Partner   under the   Delaware   Act or cause the   Partnership   to be
treated as an   association   taxable as a corporation or otherwise to be taxed as
an entity for federal   income tax purposes (to the extent not already so treated
or   taxed)   and (iii)   such   transferee   also   agrees   to   purchase   all (or the
appropriate   portion   thereof,   if applicable) of the   partnership or membership
interest of the General   Partner as the general partner or managing   member,   if
any, of each other Group   Member.   In the case of a transfer   pursuant to and in
compliance   with this Section 4.6, the   transferee or successor (as the case may
be) shall,   subject to compliance with the terms of Section 10.3, be admitted to
the Partnership as the General Partner   immediately prior to the transfer of the
General Partner   Interest,   and the business of the   Partnership   shall continue
without dissolution.

     Section 4.7 Transfer of Incentive   Distribution   Rights. Prior to the first
day of the first Quarter   beginning   after the tenth   anniversary of the Closing
Date, a holder of Incentive   Distribution   Rights may transfer any or all of the
Incentive Distribution Rights held by such


                                       31
<PAGE>


holder without any consent of the Unitholders to (a) an Affiliate of such holder
(other than an   individual)   or (b) another Person (other than an individual) in
connection   with (i) the merger or   consolidation   of such   holder of   Incentive
Distribution   Rights with or into such other Person or (ii) the transfer by such
holder of all or substantially all of its assets to such other Person. Any other
transfer   of the   Incentive   Distribution   Rights   prior to the first day of the
first Quarter   beginning   after the tenth   anniversary of the Closing Date shall
require the prior approval of holders of at least a majority of the   Outstanding
Common   Units   (excluding   Common   Units   held by the   General   Partner   and its
Affiliates).   On or after the first day of the first Quarter beginning after the
tenth   anniversary   of the Closing Date, or if the Initial   Public   Offering has
occurred,   on or after the first day of the first   Quarter   beginning   after the
tenth   anniversary of the Initial Public   Offering,   the General   Partner or any
other   holder of   Incentive   Distribution   Rights may transfer any or all of its
Incentive   Distribution   Rights   without   Unitholder   approval.   Notwithstanding
anything   herein   to the   contrary,   (i) the   transfer   of Class C Units   issued
pursuant to Section 5.12, or the transfer of Common Units issued upon conversion
of the Class C Units,   shall not be treated as a transfer   of all or any part of
the Incentive Distribution Rights and (ii) no transfer of Incentive Distribution
Rights to another Person shall be permitted   unless the transferee   agrees to be
bound by the provisions of this Agreement.

     Section 4.8 Restrictions on Transfers.

     (a) Except as provided in Section   4.8(d),   but   notwithstanding   the other
provisions of this Article IV, no transfer of any Partnership Interests shall be
made if such   transfer   would (i) violate the then   applicable   federal or state
securities laws or rules and regulations of the Commission, any state securities
commission   or any other   governmental   authority   with   jurisdiction   over such
transfer, (ii) terminate the existence or qualification of the Partnership under
the laws of the jurisdiction of its formation, or (iii) cause the Partnership to
be treated as an   association   taxable as a corporation or otherwise to be taxed
as an entity for   federal   income   tax   purposes   (to the extent not   already so
treated or taxed).

     (b)   The   General   Partner   may   impose   restrictions   on the   transfer   of
Partnership    Interests    if   it   receives   an   Opinion   of   Counsel   that   such
restrictions   are   necessary   to   avoid a   significant   risk of the   Partnership
becoming taxable as a corporation or otherwise becoming taxable as an entity for
federal income tax purposes. The General Partner may impose such restrictions by
amending this Agreement; provided, however, that any amendment that would result
in the   delisting   or   suspension   of trading   of any class of   Limited   Partner
Interests on the principal National   Securities   Exchange on which such class of
Limited   Partner   Interests   is then   listed   or   admitted   to   trading   must be
approved,   prior to such amendment being effected,   by the holders of at least a
majority of the Outstanding Limited Partner Interests of such class.

     (c) The transfer of a   Subordinated   Unit that has converted   into a Common
Unit shall be subject to the restrictions imposed by Section 6.7(c).

     (d) The   transfer of a Class C Unit that has   converted   into a Common Unit
shall be subject to the restrictions imposed by Section 6.7(e).

     (e) Nothing   contained in this Article IV, or elsewhere in this   Agreement,
shall   preclude   the   settlement   of   any   transactions    involving   Partnership
Interests entered into through


                                       32
<PAGE>


the   facilities of any National   Securities   Exchange on which such   Partnership
Interests are listed or admitted to trading.

     (f)   Each   certificate    evidencing   Partnership   Interests   shall   bear   a
conspicuous legend in substantially the following form:

      THE   HOLDER   OF THIS   SECURITY   ACKNOWLEDGES   FOR   THE   BENEFIT   OF   QUEST
      MIDSTREAM   PARTNERS,   L.P.   THAT THIS   SECURITY MAY NOT BE SOLD,   OFFERED,
      RESOLD,   PLEDGED   OR   OTHERWISE   TRANSFERRED   IF SUCH   TRANSFER   WOULD (A)
      VIOLATE THE THEN APPLICABLE   FEDERAL OR STATE SECURITIES LAWS OR RULES AND
      REGULATIONS   OF   THE   SECURITIES   AND   EXCHANGE    COMMISSION,    ANY   STATE
      SECURITIES    COMMISSION    OR   ANY   OTHER    GOVERNMENTAL    AUTHORITY    WITH
      JURISDICTION    OVER   SUCH    TRANSFER,    (B)   TERMINATE   THE   EXISTENCE   OR
      QUALIFICATION   OF QUEST   MIDSTREAM   PARTNERS,   L.P.   UNDER THE LAWS OF THE
      STATE OF DELAWARE, (C) CAUSE QUEST MIDSTREAM PARTNERS,   L.P. TO BE TREATED
      AS AN ASSOCIATION   TAXABLE AS A CORPORATION OR OTHERWISE TO BE TAXED AS AN
      ENTITY FOR   FEDERAL   INCOME   TAX   PURPOSES   (TO THE EXTENT NOT   ALREADY SO
      TREATED OR   TAXED),   (D)   VIOLATE   THE TERMS AND   CONDITIONS   OF THE FIRST
      AMENDED AND RESTATED   AGREEMENT OF LIMITED   PARTNERSHIP OF QUEST MIDSTREAM
      PARTNERS,   L.P., DATED DECEMBER ___, 2006, AS THE SAME MAY BE AMENDED FROM
      TIME TO TIME, OR (E) VIOLATE THE TERMS AND   CONDITIONS   OF THE   INVESTORS'
      RIGHTS   AGREEMENT,   DATED   DECEMBER ___,   2006, AS THE SAME MAY BE AMENDED
      FROM TIME TO TIME,   BY AND AMONG QUEST   MIDSTREAM   PARTNERS,   L.P. AND ITS
      GENERAL AND LIMITED PARTNERS. QUEST MIDSTREAM GP, LLC, THE GENERAL PARTNER
      OF QUEST MIDSTREAM PARTNERS,   L.P., MAY IMPOSE ADDITIONAL   RESTRICTIONS ON
      THE   TRANSFER OF THIS   SECURITY IF IT RECEIVES AN OPINION OF COUNSEL   THAT
      SUCH   RESTRICTIONS   ARE   NECESSARY   TO AVOID A   SIGNIFICANT   RISK OF QUEST
      MIDSTREAM   PARTNERS,   L.P.   BECOMING TAXABLE AS A CORPORATION OR OTHERWISE
      BECOMING   TAXABLE   AS AN ENTITY   FOR   FEDERAL   INCOME   TAX   PURPOSES.   THE
      RESTRICTIONS   SET FORTH ABOVE SHALL NOT   PRECLUDE   THE   SETTLEMENT   OF ANY
      TRANSACTIONS   INVOLVING THIS SECURITY   ENTERED INTO THROUGH THE FACILITIES
      OF ANY NATIONAL   SECURITIES   EXCHANGE ON WHICH THIS   SECURITY IS LISTED OR
      ADMITTED TO TRADING.

     Section 4.9 Citizenship Certificates; Non-citizen Assignees.

     (a) If any Group   Member is or   becomes   subject to any   federal,   state or
local law or   regulation   that the General   Partner   determines   would   create a
substantial   risk of   cancellation   or   forfeiture   of any property in which the
Group   Member has an interest   based on the   nationality,   citizenship   or other
related status of a Limited Partner, the General Partner may request any


                                       33
<PAGE>


Limited Partner to furnish to the General Partner,   within 30 days after receipt
of such request, an executed Citizenship Certification or such other information
concerning   his   nationality,   citizenship   or other related   status (or, if the
Limited   Partner is a nominee   holding   for the account of another   Person,   the
nationality,   citizenship or other related status of such Person) as the General
Partner   may   request.   If a Limited   Partner   fails to furnish   to the   General
Partner within the aforementioned   30-day period such Citizenship   Certification
or   other   requested    information   or   if   upon   receipt   of   such   Citizenship
Certification or other requested information the General Partner determines that
a Limited   Partner is not an Eligible   Citizen,   the Limited   Partner   Interests
owned by such Limited   Partner shall be subject to redemption in accordance with
the   provisions of Section 4.10.   In addition,   the General   Partner may require
that the status of any such Limited   Partner be changed to that of a Non-citizen
Assignee   and,   thereupon,   the General   Partner shall be   substituted   for such
Non-citizen   Assignee   as the   Limited   Partner in   respect   of the   Non-citizen
Assignee's Limited Partner Interests.

     (b) The General   Partner shall,   in exercising   voting rights in respect of
Limited   Partner   Interests   held   by it on   behalf   of   Non-citizen   Assignees,
distribute the votes in the same ratios as the votes of Partners   (including the
General   Partner) in respect of Limited   Partner   Interests   other than those of
Non-citizen   Assignees   are cast,   either for,   against or   abstaining as to the
matter.

     (c) Upon dissolution of the Partnership,   a Non-citizen Assignee shall have
no right to receive a distribution in kind pursuant to Section 12.4 but shall be
entitled to the cash equivalent thereof,   and the Partnership shall provide cash
in   exchange   for an   assignment   of the   Non-citizen   Assignee's   share   of any
distribution   in   kind.   Such   payment   and   assignment   shall   be   treated   for
Partnership   purposes   as a purchase   by the   Partnership   from the   Non-citizen
Assignee of his Limited Partner Interest   (representing his right to receive his
share of such distribution in kind).

     (d) At any   time   after   he can and   does   certify   that he has   become   an
Eligible   Citizen,   a Non-citizen   Assignee may, upon application to the General
Partner,   request   that with   respect to any Limited   Partner   Interests of such
Non-citizen   Assignee not redeemed   pursuant to Section 4.10,   such   Non-citizen
Assignee   be   admitted as a Limited   Partner,   and upon   approval of the General
Partner,   such   Non-citizen   Assignee shall be admitted as a Limited Partner and
shall no longer constitute a Non-citizen   Assignee and the General Partner shall
cease to be deemed to be the   Limited   Partner   in   respect   of the   Non-citizen
Assignee's Limited Partner Interests.

     Section 4.10 Redemption of Partnership Interests of Non-citizen Assignees.

     (a) If at any   time a   Limited   Partner   fails   to   furnish   a   Citizenship
Certification or other information   requested within the 30-day period specified
in Section 4.9(a), or if upon receipt of such Citizenship Certification or other
information the General Partner determines,   with the advice of counsel,   that a
Limited   Partner is not an Eligible   Citizen,   the   Partnership   may, unless the
Limited Partner establishes to the satisfaction of the General Partner that such
Limited   Partner is an   Eligible   Citizen   or has   transferred   his   Partnership
Interests to a Person who is an Eligible Citizen and who furnishes a Citizenship
Certification   to the General   Partner prior to the date fixed for redemption as
provided below,   redeem the Limited Partner   Interest of such Limited Partner as
follows:


                                       34
<PAGE>


          (i) The General Partner shall,   not later than the 30th day before the
     date   fixed for   redemption,   give   notice   of   redemption   to the   Limited
     Partner,   at his last address   designated on the records of the Partnership
     or the Transfer Agent, by registered or certified   mail,   postage   prepaid.
     The notice   shall be deemed to have been   given when so mailed.   The notice
     shall specify the Redeemable Interests, the date fixed for redemption,   the
     place of payment,   that payment of the   redemption   price will be made upon
     surrender of the Certificate   evidencing the Redeemable   Interests and that
     on and after the date   fixed   for   redemption   no   further   allocations   or
     distributions   to which the Limited   Partner would otherwise be entitled in
     respect of the Redeemable Interests will accrue or be made.

          (ii) The aggregate   redemption price for Redeemable Interests shall be
     an amount equal to the Current Market Price (the date of   determination   of
     which shall be the date fixed for redemption) of Limited Partner   Interests
     of the class to be so redeemed   multiplied by the number of Limited Partner
     Interests of each such class included among the Redeemable   Interests.   The
     redemption   price shall be paid, as determined by the General   Partner,   in
     cash   or by   delivery   of a   promissory   note   of   the   Partnership   in the
     principal amount of the redemption   price,   bearing interest at the rate of
     5% annually   and payable in three equal   annual   installments   of principal
     together with accrued   interest,   commencing   one year after the redemption
     date.

          (iii) Upon   surrender by or on behalf of the Limited   Partner,   at the
     place specified in the notice of redemption,   of the Certificate evidencing
     the   Redeemable   Interests,   duly   endorsed in blank or   accompanied   by an
     assignment   duly   executed   in   blank,   the   Limited   Partner   or his   duly
     authorized    representative   shall   be   entitled   to   receive   the   payment
     therefor.

          (iv) After the redemption date,   Redeemable   Interests shall no longer
     constitute issued and Outstanding Limited Partner Interests.

     (b) The provisions of this Section 4.10 shall also be applicable to Limited
Partner Interests held by a Limited Partner as nominee of a Person determined to
be other than an Eligible Citizen.

     (c) Nothing in this Section 4.10 shall prevent the recipient of a notice of
redemption from   transferring his Limited Partner Interest before the redemption
date if such transfer is otherwise permitted under this Agreement.   Upon receipt
of notice of such a transfer,   the General   Partner shall withdraw the notice of
redemption,   provided the transferee of such Limited Partner Interest   certifies
to the   satisfaction of the General Partner that he is an Eligible   Citizen.   If
the   transferee   fails to make   such   certification,   such   redemption   shall be
effected from the transferee on the original redemption date.


                                       35
<PAGE>




                                    ARTICLE V.
                           Capital Contributions and
                        Issuance of Partnership Interests

     Section 5.1 Organizational Contributions.   In connection with the formation
of the   Partnership   under the Delaware Act, the General Partner made an initial
Capital   Contribution   to the   Partnership   in the   amount of   $20.00,   for a 2%
General Partner Interest in the Partnership and has been admitted as the General
Partner of the   Partnership,   and the   Organizational   Limited   Partner   made an
initial   Capital   Contribution to the Partnership in the amount of $980.00 for a
98% Limited   Partner   Interest   in the   Partnership   and has been   admitted as a
Limited Partner of the Partnership.   As of the Closing Date, the interest of the
Organizational Limited Partner shall be redeemed as provided in the Contribution
Agreement;   and the initial Capital   Contribution of the Organizational   Limited
Partner   shall   thereupon be refunded.   Ninety-eight   percent of any interest or
other profit that may have   resulted   from the   investment   or other use of such
initial   Capital   Contributions   shall   be   allocated   and   distributed   to   the
Organizational   Limited Partner,   and the balance thereof shall be allocated and
distributed to the General Partner.

     Section 5.2 Contributions by QRC and the General Partner.

     (a) On the Closing Date and pursuant to the Contribution Agreement: (i) the
General Partner shall contribute to the Partnership,   as a Capital Contribution,
2.64% of the limited   liability   company   membership   interests in the Operating
Company,   in exchange   for (A) 200,000   General   Partner   Units   representing   a
continuation of its 2% General Partner   Interest,   subject to all of the rights,
privileges   and duties of the General   Partner under this   Agreement and (B) the
Incentive   Distribution Rights, and (ii) QRC shall contribute to the Partnership
as a Capital   Contribution,   97.36% of the limited liability company   membership
interests in the Operating Company, in exchange for an aggregate of 35,134 Class
A Subordinated   Units,   4,900,000   Class B   Subordinated   Units and the right to
receive a cash payment of   $38,807,877   million   (which shall   reimburse QRC for
certain   capital   expenditures   made by QRC);   provided that $15 million of such
cash payment to which QRC shall be entitled shall be retained by the Partnership
until such time as one or more Group   Members   enter   into an   Approved   Working
Capital Facility.   Upon entering into an Approved Working Capital Facility, such
$15 million shall be distributed to QRC.

     (b) Upon the issuance of any additional   Limited   Partner   Interests by the
Partnership   (other   than the   Common   Units   issued   pursuant   to the   Purchase
Agreement,   the Common Units and   Subordinated   Units issued pursuant to Section
5.2(a),   any Class C Units issued   pursuant to Section 5.12 and any Common Units
issued upon   conversion   of   Subordinated   Units or Class C Units),   the General
Partner may, in exchange for a   proportionate   number of General   Partner Units,
make additional Capital Contributions in an amount equal to the product obtained
by multiplying (i) the quotient determined by dividing (A) the General Partner's
Percentage Interest immediately prior to the issuance of such additional Limited
Partner   Interests   by (B) 100 less the General   Partner's   Percentage   Interest
immediately   prior to the issuance of such additional   Limited Partner Interests
times (ii) the amount   contributed to the Partnership by the Limited Partners in
exchange for such additional Limited Partner   Interests.   Except as set forth in
Article


                                       36
<PAGE>


XII, the General   Partner shall not be obligated to make any additional   Capital
Contributions to the Partnership.

     Section 5.3 Contributions by Initial Limited Partners.

     (a) On the   Closing   Date and   pursuant   to the   Purchase   Agreement,   each
Initial Private   Purchaser shall contribute to the Partnership cash in an amount
equal to the Issue Price per Initial   Common Unit,   multiplied   by the number of
Common Units specified in the Purchase Agreement to be purchased by such Initial
Private    Purchaser   at   the   Closing    Date.    In   exchange   for   such   Capital
Contributions by the Initial Private Purchasers, the Partnership shall issue the
number of Common Units   specified   in the Purchase   Agreement to be purchased by
such Initial Private Purchaser.

     (b) No Limited Partner Interests will be issued or issuable as of or at the
Closing Date other than (i) the Common Units issuable   pursuant to   subparagraph
(a) hereof in   aggregate   number   equal to   4,864,866,   (ii) the 35,134   Class A
Subordinated   Units   issuable   pursuant to Section   5.2(a),   (iii) the 4,900,000
Class B Subordinated   Units issuable   pursuant to Section   5.2(a),   and (iv) the
Incentive Distribution Rights.

     Section 5.4   Interest   and   Withdrawal.   No   interest   shall be paid by the
Partnership   on Capital   Contributions.   No   Partner   shall be   entitled   to the
withdrawal or return of its Capital Contribution,   except to the extent, if any,
that   distributions   made pursuant to this Agreement or upon   termination of the
Partnership   may be   considered   as   such   by law and   then   only to the   extent
provided for in this Agreement.   Except to the extent expressly provided in this
Agreement,   no Partner shall have   priority over any other Partner   either as to
the return of Capital   Contributions or as to profits,   losses or distributions.
Any such return   shall be a compromise   to which all   Partners   agree within the
meaning of Section 17-502(b) of the Delaware Act.

     Section 5.5 Capital Accounts.

     (a) The Partnership   shall maintain for each Partner (or a beneficial owner
of Partnership   Interests held by a nominee in any case in which the nominee has
furnished   the   identity of such owner to the   Partnership   in   accordance   with
Section   6031(c)   of the Code or any   other   method   acceptable   to the   General
Partner) owning a Partnership   Interest a separate   Capital Account with respect
to such Partnership Interest in accordance with the rules of Treasury Regulation
Section   1.704-1(b)(2)(iv).   Such Capital   Account shall be increased by (i) the
amount of all Capital Contributions made to the Partnership with respect to such
Partnership   Interest   and   (ii)   all   items   of   Partnership   income   and   gain
(including   income and gain exempt from tax) computed in accordance with Section
5.5(b) and   allocated   with   respect to such   Partnership   Interest   pursuant to
Section 6.1, and   decreased by (x) the amount of cash or Net Agreed Value of all
actual and deemed   distributions   of cash or property   made with respect to such
Partnership   Interest   and (y) all   items   of   Partnership   deduction   and   loss
computed in accordance   with Section   5.5(b) and allocated   with respect to such
Partnership Interest pursuant to Section 6.1.

     (b) For purposes of computing the amount of any item of income,   gain, loss
or   deduction   that   is to be   allocated   pursuant   to   Article   VI and is to be
reflected in the Partners' Capital Accounts, the determination,   recognition and
classification of any such item shall be the


                                       37
<PAGE>


same as its determination, recognition and classification for federal income tax
purposes   (including any method of   depreciation,   cost recovery or amortization
used for that purpose), provided, that:

          (i) Solely for purposes of this Section 5.5, the Partnership   shall be
     treated as owning   directly its   proportionate   share (as determined by the
     General   Partner based upon the provisions of the   applicable   Group Member
     Agreement)   of all   property   owned by (x) any other   Group   Member that is
     classified as a partnership   or   disregarded   entity for federal income tax
     purposes   and   (y)   any   other   partnership,    limited   liability   company,
     unincorporated   business or other entity   classified   as a   partnership   or
     disregarded   entity for federal income tax purposes of which a Group Member
     is, directly or indirectly, a partner.

          (ii)   All fees and   other   expenses   incurred   by the   Partnership   to
     promote the sale of (or to sell) a Partnership Interest that can be neither
     deducted nor amortized   under Section 709 of the Code, if any,   shall,   for
     purposes of Capital Account maintenance, be treated as an item of deduction
     at the   time   such   fees and   other   expenses   are   incurred   and   shall be
     allocated among the Partners pursuant to Section 6.1.

          (iii)   Except as   otherwise   provided in Treasury   Regulation   Section
     1.704-1(b)(2)(iv)(m),   the   computation of all items of income,   gain, loss
     and deduction   shall be made without   regard to any election   under Section
     754 of the Code that may be made by the Partnership   and, as to those items
     described in Section   705(a)(1)(B)   or   705(a)(2)(B)   of the Code,   without
     regard to the fact that such items are not   includable   in gross   income or
     are neither   currently   deductible nor   capitalized   for federal income tax
     purposes.   To the extent an   adjustment   to the   adjusted   tax basis of any
     Partnership   asset   pursuant   to   Section   734(b)   or 743(b) of the Code is
     required, pursuant to Treasury Regulation Section 1.704-1(b)(2)(iv)(m),   to
     be taken into account in determining   Capital Accounts,   the amount of such
     adjustment in the Capital   Accounts   shall be treated as an item of gain or
     loss.

          (iv) Any income,   gain or loss attributable to the taxable disposition
     of any Partnership property shall be determined as if the adjusted basis of
     such   property as of such date of   disposition   were equal in amount to the
     Partnership's Carrying Value with respect to such property as of such date.

          (v) In accordance with the requirements of Section 704(b) of the Code,
     any deductions for depreciation, cost recovery or amortization attributable
     to any Contributed Property shall be determined as if the adjusted basis of
     such property on the date it was acquired by the Partnership   were equal to
     the Agreed Value of such property.   Upon an adjustment   pursuant to Section
     5.5(d)   to the   Carrying   Value   of any   Partnership   property   subject   to
     depreciation,   cost recovery or   amortization,   any further   deductions for
     such   depreciation,   cost   recovery or   amortization   attributable   to such
     property   shall be determined (A) as if the adjusted basis of such property
     were equal to the Carrying   Value of such   property   immediately   following
     such   adjustment   and (B) using a rate of   depreciation,   cost   recovery or
     amortization   derived   from   the   same   method   and   useful   life   (or,   if
     applicable, the remaining useful life) as is applied for federal income tax
     purposes;


                                       38
<PAGE>


      provided,   however,   that,   if the   asset   has a zero   adjusted   basis for
      federal income tax purposes,   depreciation,   cost recovery or amortization
      deductions   shall be determined   using any method that the General Partner
      may adopt.

          (vi) If the   Partnership's   adjusted   basis in a   depreciable   or cost
      recovery   property is reduced for federal   income tax purposes   pursuant to
     Section   48(q)(1)   or 48(q)(3)   of the Code,   the amount of such   reduction
     shall,    solely   for   purposes   hereof,   be   deemed   to   be   an   additional
     depreciation or cost recovery deduction in the year such property is placed
     in service and shall be allocated   among the   Partners   pursuant to Section
     6.1. Any restoration of such basis pursuant to Section 48(q)(2) of the Code
     shall,   to the extent   possible,   be   allocated   in the same   manner to the
     Partners to whom such deemed deduction was allocated.

     (c) (i) A transferee of a Partnership   Interest shall succeed to a pro rata
portion of the Capital   Account of the   transferor   relating to the   Partnership
Interest so transferred.

          (ii) Subject to Section 6.7(c), immediately prior to the transfer of a
     Subordinated   Unit or of a   Subordinated   Unit   that has   converted   into a
     Common   Unit   pursuant   to Section   5.8 by a holder   thereof   (other than a
     transfer to an   Affiliate   unless the General   Partner   elects to have this
     Section   5.5(c)(ii)   apply), the Capital Account maintained for such Person
     with respect to its Subordinated Units or converted Subordinated Units will
     (A) first, be allocated to the Subordinated Units or converted Subordinated
     Units to be transferred in an amount equal to the product of (x) the number
     of   such   Subordinated    Units   or   converted    Subordinated   Units   to   be
     transferred   and (y) the Per Unit Capital Amount for a Common Unit, and (B)
     second,   any remaining   balance in such Capital Account will be retained by
     the   transferor,   regardless   of whether it has retained   any   Subordinated
     Units or converted   Subordinated   Units ("Retained   Converted   Subordinated
     Units").   Following any such allocation,   the transferor's Capital Account,
     if any,   maintained   with   respect to the   retained   Subordinated   Units or
     Retained Converted Subordinated Units, if any, will have a balance equal to
     the amount   allocated under clause (B)   hereinabove,   and the   transferee's
     Capital Account   established   with respect to the transferred   Subordinated
     Units or   converted   Subordinated   Units   will have a balance   equal to the
     amount allocated under clause (A) hereinabove.

     (d)     (i)     In     accordance     with     Treasury     Regulation     Section
1.704-1(b)(2)(iv)(f),   on an issuance of   additional   Partnership   Interests for
cash   or   Contributed   Property,    the   issuance   of   Partnership   Interests   as
consideration   for the   provision of services or the   conversion   of the General
Partner's   Combined   Interest to Common Units pursuant to Section   11.3(b),   the
Capital   Account of all   Partners   and the   Carrying   Value of each   Partnership
property immediately prior to such issuance shall be adjusted upward or downward
to   reflect   any   Unrealized   Gain   or   Unrealized   Loss   attributable   to   such
Partnership   property,   as if such   Unrealized   Gain or Unrealized Loss had been
recognized   on an actual sale of each such   property   immediately   prior to such
issuance and had been allocated to the Partners at such time pursuant to Section
6.1 in the same manner as any item of gain or loss   actually   recognized   during
such period would have been   allocated.   In determining   such Unrealized Gain or
Unrealized   Loss,   the   aggregate   cash   amount   and   fair   market   value of all
Partnership assets (including cash or cash equivalents) immediately prior to the
issuance of additional Partnership Interests shall be determined by the General


                                       39
<PAGE>


Partner using such method of valuation as it may adopt; provided,   however, that
the General Partner, in arriving at such valuation, must take fully into account
the fair market value of the Partnership Interests of all Partners at such time.
The General   Partner shall allocate such aggregate value among the assets of the
Partnership   (in such manner as it   determines) to arrive at a fair market value
for individual properties.

            (ii)    In     accordance     with     Treasury     Regulation     Section
      1.704-1(b)(2)(iv)(f),    immediately    prior   to   any    actual    or   deemed
      distribution   to a   Partner   of any   Partnership   property   (other   than a
      distribution   of   cash   that   is   not in   redemption   or   retirement   of a
      Partnership   Interest),   the   Capital   Accounts   of all   Partners   and the
      Carrying Value of all   Partnership   property   shall be adjusted   upward or
      downward to reflect any Unrealized Gain or Unrealized Loss attributable to
      such Partnership   property,   as if such Unrealized Gain or Unrealized Loss
      had been recognized in a sale of such property   immediately   prior to such
      distribution   for an amount equal to its fair market   value,   and had been
      allocated to the   Partners,   at such time,   pursuant to Section 6.1 in the
      same manner as any item of gain or loss   actually   recognized   during such
      period would have been allocated.   In determining   such Unrealized Gain or
      Unrealized   Loss the   aggregate   cash amount and fair market   value of all
      Partnership assets (including cash or cash equivalents)   immediately prior
      to a distribution shall (A) in the case of an actual   distribution that is
      not made pursuant to Section 12.4 or in the case of a deemed distribution,
      be determined and allocated in the same manner as that provided in Section
      5.5(d)(i)   or (B) in the case of a   liquidating   distribution   pursuant to
      Section   12.4, be determined   and allocated by the   Liquidator   using such
      method of valuation as it may adopt.

     (e) The   Partners   acknowledge   and agree   that the   distribution   to Quest
Cherokee, LLC pursuant to Section 3.4 of the Contribution Agreement shall not be
deemed to be a   distribution   to QRC or any other   Partner for   purposes of this
Agreement and shall not have any impact on any Partners' Capital Account.

     Section 5.6 Issuances of Additional Partnership Securities.

     (a) Subject to the provisions of Section 5.6(e),   the Partnership may issue
such   additional   Partnership   Securities   and   options,   rights,   warrants   and
appreciation   rights relating to the Partnership   Securities for any Partnership
purpose at any time and from time to time to such Persons for such consideration
and on such terms and   conditions as the General   Partner shall   determine,   all
without the approval of any Limited Partners.

     (b) Each   additional   Partnership   Security   authorized to be issued by the
Partnership   pursuant to Section 5.6(a) may be issued in one or more classes, or
one or more series of any such   classes,   with such   designations,   preferences,
rights, powers and duties (which may be senior to existing classes and series of
Partnership Securities), as shall be fixed by the General Partner, including (i)
the right to share in Partnership profits and losses or items thereof;   (ii) the
right to share in Partnership   distributions;   (iii) the rights upon dissolution
and liquidation of the Partnership;   (iv) whether,   and the terms and conditions
upon which,   the   Partnership may or shall be required to redeem the Partnership
Security;   (v) whether such Partnership Security is issued with the privilege of
conversion or exchange and, if so, the terms and   conditions of such   conversion
or exchange;   (vi) the terms and conditions upon which each Partnership Security
will


                                        40
<PAGE>


be issued,   evidenced by   certificates   and assigned or   transferred;   (vii) the
method for determining the Percentage Interest as to such Partnership   Security;
and (viii) the   right,   if any,   of each such   Partnership   Security   to vote on
Partnership   matters,    including   matters   relating   to   the   relative   rights,
preferences and privileges of such Partnership Security.

     (c) The General   Partner   shall take all actions that it   determines   to be
necessary or   appropriate   in connection   with (i) each issuance of   Partnership
Securities and options,   rights,   warrants and   appreciation   rights relating to
Partnership   Securities pursuant to this Section 5.6, (ii) the conversion of the
General Partner Interest (represented by General Partner Units) or any Incentive
Distribution   Rights into Units pursuant to the terms of this   Agreement,   (iii)
the   issuance of Class C Units   pursuant to Section   5.12 and issuance of Common
Units upon the conversion of Class C Units pursuant to Section 5.12(f), (iv) the
issuance of Common Units upon the conversion of   Subordinated   Units pursuant to
Section 5.8, (v) reflecting admission of such additional Limited Partners in the
books and   records   of the   Partnership   as the   Record   Holder of such   Limited
Partner Interests and (vi) all additional   issuances of Partnership   Securities.
The General   Partner shall determine the relative   rights,   powers and duties of
the holders of the Units or other   Partnership   Securities being so issued.   The
General   Partner   shall do all things   necessary to comply with the Delaware Act
and is   authorized   and   directed   to do all   things   that it   determines   to be
necessary or appropriate in connection   with any future   issuance of Partnership
Securities or in connection with the conversion of the General Partner   Interest
or any Incentive   Distribution   Rights into Units   pursuant to the terms of this
Agreement,   including compliance with any statute, rule, regulation or guideline
of any federal,   state or other governmental   agency or any National   Securities
Exchange   on which   the   Units or other   Partnership   Securities   are   listed or
admitted to trading.

     (d) No fractional Units shall be issued by the Partnership.

     (e)   Notwithstanding   the terms of Section   5.6(a),   (b),   (c) and (d), the
issuance   by the   Partnership   of any   Partnership   Securities   pursuant to this
Section   5.6 shall be   subject to the   following   provisions,   restrictions   and
limitations:

          (i) before the closing of the Initial Public Offering, the Partnership
     shall   not   issue   additional    Partnership   Securities   having   rights   to
     distribution or in liquidation ranking prior or senior to the Common Units,
     unless the   issuance   has been   approved by a majority   of the   Outstanding
     Common Units; and

          (ii)   at   any   time,   the   Partnership    shall   not   issue   additional
     Partnership   Securities in violation of Section 4 of the Investors'   Rights
     Agreement.

      Section 5.7 Conversion of Class A Subordinated Units.

     (a)   All of   the   Outstanding   Class   A   Subordinated   Units   will   convert
automatically   into Common Units on a one-for-one basis on the first trading day
following the Initial Public Offering.

     (b) A Class A Subordinated Unit that has converted into a Common Unit shall
be subject to the provisions of Section 6.7(b) and Section 6.7(c).


                                       41
<PAGE>


      Notwithstanding   any   other   provision   of this   Agreement,   all the   then
Outstanding Class A Subordinated   Units will   automatically   convert into Common
Units on a   one-for-one   basis as set forth in,   and   pursuant   to the terms of,
Section 11.4.

     Section 5.8 Conversion of Class B Subordinated Units.

     (a) A total   of 25% of the   Outstanding   Class B   Subordinated   Units   will
convert   automatically   into Common Units on a   one-for-one   basis on the second
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