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                                                                     Exhibit 4.1

                          REGISTRATION RIGHTS AGREEMENT

     THIS REGISTRATION RIGHTS AGREEMENT (this "AGREEMENT") is entered into March
15, 2006, by and among Legacy Reserves, LP, a Delaware limited partnership (the
"PARTNERSHIP"), Legacy Reserves GP, LLC, a Delaware limited liability company
(the "GP" and, together with the Partnership, the "LEGACY ENTITIES"), and
Friedman, Billings, Ramsey & Co., Inc., a Delaware corporation ("FBR"), for the
benefit of the purchasers of the units representing limited partner interests in
the Partnership (the "UNITS"), as participants ("PARTICIPANTS") in the offering
and sale of the Units and the direct and indirect transferees of FBR and each of
the Participants.

                                   WITNESSETH:

     WHEREAS, FBR, the Legacy Entities and other parties entered into the
Purchase/Placement Agreement dated March 6, 2006 (the "PLACEMENT AGREEMENT"), in
connection with which the Partnership agreed to sell 5,000,000 newly issued
Units (plus an additional 250,000 Units to cover over allotments and optional
issuances, if any), with FBR acting as initial purchaser of the 144A Units (as
defined) and placement agent with respect to the Private Placement Units (as
defined);

     WHEREAS, to induce FBR to enter into the Placement Agreement, the
Partnership has agreed to provide the registration rights provided for in this
Agreement for the holders of Registrable Units (as defined below); and

     WHEREAS, the execution of this Agreement is a condition to the closing of
the transactions contemplated by the Placement Agreement.

     NOW, THEREFORE, in consideration of the premises and the mutual covenants
of the parties hereto, and for other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the parties hereto
hereby agree as follows:

1. Definitions. As used in this Agreement, the following terms shall have the
following meanings:

     "144A UNITS" is defined in the Placement Agreement.

     "ADDITIONAL PAYMENTS" is defined in Section 7(a).

     "AFFILIATE" means, as to any specified Person, (i) any Person that
directly, or indirectly through one or more intermediaries, controls or is
controlled by, or is under common control with, the specified Person, (ii) any
executive officer, director, trustee or general partner of the specified Person
and (iii) any legal entity for which the specified Person acts as an executive
officer, director, trustee or general partner. For purposes of this definition,
"control" (including the correlative meanings of the terms "controlled by" and
"under common control with"), as used with respect to any Person, means the
possession, directly, or indirectly through one or more intermediaries, of the
power to direct or cause the direction of the management and policies of such
Person, whether by contract, through the ownership of voting securities, partner
interests or other equity interests or otherwise.

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     "AGREEMENT" is defined in the introductory paragraph.

     "BUSINESS DAY" means each Monday, Tuesday, Wednesday, Thursday and Friday
that is not a day on which banking institutions in New York, New York are
authorized or obligated by applicable law, regulation or executive order to
close.

     "CLOSING DATE" is defined in the Placement Agreement.

     "COMMISSION" means the Securities and Exchange Commission.

     "PARTNERSHIP" is defined in the introductory paragraph.

     "CONTROLLING PERSON" is defined in Section 6(a).

     "END OF SUSPENSION NOTICE" is defined in Section 5(b).

     "EXCHANGE ACT" means the Securities Exchange Act of 1934, as amended, and
the rules and regulations promulgated by the Commission pursuant thereto.

     "FBR" is defined in the introductory paragraph.

     "FBR MERCHANT BANKING" means Friedman, Billings, Ramsey Group, Inc. and any
successor thereto.

     "FBR MANDATORY SHELF REGISTRATION STATEMENT" is defined in Section 2(a).

     "FORM 10-K" means an annual report required to be filed with the Commission
pursuant to Section 13 or Section 15(d) of the Exchange Act, as such form may be
amended from time to time, or any similar form, rule or regulation hereafter
adopted by the Commission as a replacement thereto having substantially the same
effect as such form, provided that such form need not include those items
required by Section 404 of the Sarbanes-Oxley Act of 2002.

     "FORM 10-Q" means a quarterly report required to be filed with the
Commission pursuant to Section 13 or Section 15(d) of the Exchange Act, as such
form may be amended from time to time, or any similar form, rule or regulation
hereafter adopted by the Commission as a replacement thereto having
substantially the same effect as such form, provided that such form need not
include those items required by Section 404 of the Sarbanes-Oxley Act of 2002.

     "GAAP" is defined in Section 3(e).

     "GP" is defined in the introductory paragraph.

     "HOLDER" means each owner of any Registrable Units from time to time,
including FBR and its Affiliates.

     "HOLDERS MANDATORY SHELF REGISTRATION STATEMENT" is defined in Section
2(a).

     "INDEMNIFIED PARTY" is defined in Section 6(c).

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     "INDEMNIFYING PARTY" is defined in Section 6(c).

     "IPO REGISTRATION STATEMENT" is defined in Section 8.

     "LEGACY ENTITIES" is defined in the introductory paragraph.

     "LIABILITIES" is defined in Section 6(a).

     "MANDATORY SHELF REGISTRATION STATEMENT" is defined in Section 2(a).

     "NASD" means the National Association of Securities Dealers, Inc.

     "NO OBJECTIONS LETTER" is defined in Section 4(t).

     "NOTICE AND QUESTIONNAIRE" is defined in Section 2(a)(iii).

     "PARTICIPANTS" is defined in the introductory paragraph.

     "PERSON" means an individual, limited liability company, partnership,
corporation, trust, unincorporated organization, government or agency or
political subdivision thereof, or any other legal entity.

     "PIGGYBACK REGISTRATION STATEMENT" is defined in Section 2(b).

     "PLACEMENT AGREEMENT" is defined in the first recital clause.

     "PRIOR HOLDER" means an investor party to or other beneficiary of the
Founders Registration Rights Agreement, dated March 6, 2006, among the
Partnership and certain other parties listed therein that has not waived its
rights under such Registration Rights Agreement and holding "Registrable
Securities" (as defined in such Registration Rights Agreement).

     "PRIVATE PLACEMENT UNITS" means Units initially sold by the Partnership
directly to "accredited investors" (within the meaning of Rule 501(a)
promulgated under the Securities Act) as Participants, with FBR acting as
placement agent.

     "PROSPECTUS" means the prospectus included in any Registration Statement,
including any preliminary prospectus, and all other amendments and supplements
to any such prospectus, including post-effective amendments, and all material
incorporated by reference or deemed to be incorporated by reference, if any, in
such prospectus.

     "PURCHASER INDEMNITEE" is defined in Section 6(a).

     "REGISTRABLE UNITS" means the 144A Units and the Private Placement Units,
upon original issuance thereof, and at all times subsequent thereto, including
upon the transfer thereof by the original holder or any subsequent holder and
any units or other securities issued in respect of such Registrable Units
because of or in connection with any dividend, distribution, split, purchase in
any rights offering or in connection with any exchange for or replacement of
such Registrable Units or any combination of units, recapitalization, merger or
consolidation, or any

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other equity securities issued pursuant to any other pro rata distribution with
respect to the Units, until, in the case of any such 144A Unit or Private
Placement Unit, the earliest to occur of:

               (i) the date on which it has been sold pursuant to a Registration
          Statement or sold pursuant to Rule 144;

               (ii) the date on which it is saleable, in the opinion of counsel
          to the Partnership, without registration under the Securities Act,
          pursuant to Rule 144(k);

               (iii) the date on which it is saleable, without restriction,
          pursuant to an available exemption from registration under the
          Securities Act; or

               (iv) the date on which it is sold to the Partnership or its
          subsidiaries.

     "REGISTRATION DEFAULT" is defined in Section 7(a).

     "REGISTRATION EXPENSES" means any and all expenses incident to the
performance of or compliance with this Agreement, including: (i) all Commission,
securities exchange, NASD registration, listing, inclusion and filing fees
(including those of FBR, FBR Merchant Banking and Holders associated or
affiliated with FBR), (ii) all fees and expenses incurred in connection with
compliance with international, federal or state securities or blue sky laws
(including any registration, listing and filing fees and reasonable fees and
disbursements of counsel in connection with blue sky qualification of any of the
Registrable Units and the preparation of a blue sky memorandum and compliance
with the rules of the NASD), (iii) all expenses of any Persons in preparing or
assisting in preparing, word processing, duplicating, printing, delivering and
distributing any Registration Statement, any Prospectus, any amendments or
supplements thereto, any underwriting agreements, securities sales agreements,
certificates and any other documents relating to the performance under and
compliance with this Agreement, (iv) all fees and expenses incurred in
connection with the listing or inclusion of any of the Registrable Units on the
New York Stock Exchange, the American Stock Exchange or The NASDAQ Stock Market
pursuant to Section 4(n), (v) the fees and disbursements of counsel for the
Partnership and of the independent public accountants of the Partnership
(including the expenses of any special audit and "cold comfort" letters required
by or incident to such performance) and the reasonable fees and disbursements of
one counsel, reasonably acceptable to the Partnership, for the Holders, selected
by the Holders holding a majority of the Registrable Units, and (vi) any fees
and disbursements customarily paid by issuers in issues and sales of securities
(including the fees and expenses of any experts retained by the Partnership in
connection with any Registration Statement), provided, however, that
Registration Expenses shall exclude brokers' or underwriters' discounts and
commissions and transfer taxes, if any, relating to the sale or disposition of
Registrable Units by a Holder and the fees and disbursements of any counsel to
the Holders other than as provided for in clause (v).

     "REGISTRATION STATEMENT" means any Mandatory Registration Statement or
Piggyback Registration Statement.

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     "RULE 144", "RULE 144A", "RULE 158", "RULE 415", "RULE 424", or "RULE 429",
respectively, means such specified rule promulgated by the Commission pursuant
to the Securities Act, as such rule may be amended from time to time, or any
similar rule or regulation hereafter adopted by the Commission as a replacement
thereto having substantially the same effect as such rule.

     "SECURITIES ACT" means the Securities Act of 1933, as amended, and the
rules and regulations promulgated by the Commission thereunder.

     "SUSPENSION EVENT" is defined in Section 5(b).

     "SUSPENSION NOTICE" is defined in Section 5(b).

     "UNDERWRITTEN OFFERING" means a sale of securities of the Partnership to an
underwriter or underwriters for reoffering to the public.

     "UNITS" is defined in the introductory paragraph.

2. Registration Rights.

     (a) Mandatory Shelf Registration. As set forth in Section 4, the
Partnership will file with the Commission as soon as reasonably practicable, but
not later than May 15, 2006, (A) a shelf registration statement on Form S-1 or
such other form under the Securities Act then available to the Partnership
providing for the resale pursuant to Rule 415 from time to time by the Holders,
other than those Holders for which the resale of such Holder's Registrable Units
is provided for under the FBR Mandatory Shelf Registration Statement (as defined
below), of any and all of such Holders' Registrable Units (including the
Prospectus, amendments and supplements to such registration statement or
Prospectus, including pre- and post-effective amendments, all exhibits thereto
and all material incorporated by reference or deemed to be incorporated by
reference, if any, in such registration statement, the "HOLDERS MANDATORY SHELF
REGISTRATION STATEMENT"), and (B) a shelf registration statement on Form S-1 or
such other form under the Securities Act then available to the Partnership
providing for the resale pursuant to Rule 415 from time to time by FBR, FBR
Merchant Banking and any Holder that is associated or affiliated with FBR of any
and all of such Holders' Registrable Units (including the Prospectus, amendments
and supplements to such registration statement or Prospectus, including pre- and
post-effective amendments, all exhibits thereto and all material incorporated by
reference or deemed to be incorporated by reference, if any, in such
registration statement, the "FBR MANDATORY SHELF REGISTRATION STATEMENT"; either
or both the Holders Mandatory Shelf Registration and the FBR Mandatory Shelf
Registration Statement may be referred to herein without distinction as a
"MANDATORY SHELF REGISTRATION STATEMENT"). If the Partnership has an effective
Holders Mandatory Shelf Registration Statement on Form S-1 and becomes eligible
to use Form S-3 or such other short-form registration statement form under the
Securities Act, the Partnership shall promptly give notice of such eligibility
to the Holders covered thereby and may, or at the request of such Holders with a
majority of such Registrable Units shall, promptly convert such Holders
Mandatory Shelf Registration Statement on Form S-1 to a registration statement
on Form S-3 or such other short-form registration statement by means of a
post-effective amendment or otherwise, unless any Holder with Registrable Units
under the initial

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Holders Mandatory Shelf Registration Statement notifies the Partnership within
10 Business Days of receipt of the Partnership notice that such conversion would
interfere with its distribution of Registrable Units already in progress and
provides a reasonable explanation therefor, in which case the Partnership will
delay the conversion of the Holders Mandatory Shelf Registration Statement for a
reasonable time after receipt of the first such notice, not to exceed 30 days in
the aggregate, for all Holders requesting such suspension (unless the
Partnership, at such time as the conversion from Form S-1 to Form S-3 or such
other short-form registration statement may occur, would otherwise be required
to amend the Holders Mandatory Shelf Registration Statement and require that
Holders suspend sales under Section 4(i) or Section 5). If the Partnership has
an effective FBR Mandatory Shelf Registration Statement on Form S-1 under the
Securities Act and becomes eligible to use Form S-3 or such other short-form
registration statement form under the Securities Act, the Partnership shall
promptly give notice of such eligibility to the Holders covered thereby and may
(unless FBR or FBR Merchant Banking reasonably objects unless the Partnership,
at such time as the conversion from Form S-1 to Form S-3 or such other
short-form registration statement may occur, would otherwise be required to
amend the FBR Mandatory Shelf Registration Statement and require that Holders
suspend sales under Section 4(i) or Section 5), or at the request of FBR or FBR
Merchant Banking shall, promptly convert such FBR Mandatory Shelf Registration
Statement on Form S-1 to a Registration Statement on Form S-3 or such other
short-form registration statement by means of a post-effective amendment or
otherwise.

          (i) Effectiveness and Scope. The Partnership shall use its
commercially reasonable efforts to cause the Mandatory Registration Statement to
be declared effective by the Commission as soon as practicable following such
filing, and to remain effective until the date on which all Units in respect
thereof cease to be Registrable Units. The Partnership may not include any Units
owned by a Prior Holder in the Holders Mandatory Shelf Registration Statement or
the FBR Mandatory Shelf Registration Statement. Each Mandatory Shelf
Registration Statement shall provide for the resale from time to time, and
pursuant to any method or combination of methods legally available (including an
Underwritten Offering, a direct sale to purchasers, a sale through brokers or
agents, or a sale over the internet) by the Holders of any and all Registrable
Units. The Partnership shall not file any registration statement on behalf of or
for the benefit of any Prior Holder unless it has filed or files concurrently
each Mandatory Shelf Registration Statement, and the Partnership shall not
submit an acceleration request to the Commission requesting effectiveness of any
such Prior Holder registration statement unless it has submitted or concurrently
submits an acceleration request to the Commission requesting effectiveness of
each Mandatory Shelf Registration Statement and reasonably believes based on
communications with the Commission that such request with respect to each
Mandatory Shelf Registration Statement will be granted.

          (ii) Underwriting. If any Holder proposes to conduct an Underwritten
Offering under a Mandatory Shelf Registration Statement, such Holder shall
advise the Partnership and all other Holders whose securities are included in
such Mandatory Shelf Registration Statement (if applicable), of the managing
underwriters for such proposed Underwritten Offering (which may include FBR or
an Affiliate thereof); such managing underwriters to be subject to the approval
of the Partnership, not to be unreasonably withheld. In such event, the
Partnership shall enter into an underwriting agreement in customary form with
the managing underwriters, which shall include, among other provisions,
indemnities to the

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effect and to the extent provided in Section 6, and shall take all such other
reasonable actions as are requested by the managing underwriter in order to
expedite or facilitate the registration and disposition of the Registrable Units
included in such Underwritten Offering; provided, however, that the Partnership
shall not be required to cause appropriate officers of the Partnership or its
Affiliates to participate in a "road show" or similar marketing effort being
conducted by such underwriter with respect to such Underwritten Offering more
than once in any six month calendar period or if the Holders do not reasonably
anticipate gross proceeds from such Underwritten Offering of at least $30
million. All Holders proposing to distribute their Registrable Units through
such Underwritten Offering shall enter into an underwriting agreement in
customary form with the managing underwriters selected for such underwriting and
complete and execute any questionnaires, powers of attorney, indemnities,
securities escrow agreements and other documents reasonably required under the
terms of such underwriting, and furnish to the Partnership such information in
writing as the Partnership may reasonably request for inclusion in the
Registration Statement; provided, however, that no Holder shall be required to
make any representations or warranties to or agreements with the Partnership or
the underwriters other than representations, warranties or agreements as are
customary and reasonably requested by the underwriters. Notwithstanding any
other provision of this Agreement, with respect to an Underwritten Offering in
connection with a Mandatory Shelf Registration Statement, if the managing
underwriters determine in good faith that marketing factors require a limitation
on the number of Units to be included in such Underwritten Offering, then the
managing underwriters may exclude Units (including Registrable Units) from the
Underwritten Offering, and any Units included in the Underwritten Offering shall
be allocated first, to each of the Holders requesting inclusion of their
Registrable Units in such Underwritten Offering on a pro rata basis based on the
total number of Registrable Units requested to be included, second to the
Partnership requesting inclusion of primary Units in such Underwritten Offering,
and third, to any Prior Holders requesting inclusion of their Units in such
Underwritten Offering in the manner provided in the Founders Registration Rights
Agreement. In the case of the FBR Mandatory Shelf Registration Statement, such
exclusion shall be negotiated by FBR, FBR Merchant Banking and the underwriters.

          (iii) Selling Stockholder Questionnaires. Each Holder agrees, by its
acquisition of Units, that if such Holder wishes to sell Registrable Units
pursuant to a Mandatory Shelf Registration Statement and related Prospectus, it
will do so only in accordance with this Section 2(a)(iii). Each Holder wishing
to sell Registrable Units pursuant to a Mandatory Shelf Registration Statement
and related Prospectus agrees to deliver a written notice, substantially in form
and substance of Annex V to the preliminary offering memorandum, subject to
completion, dated February 13, 2006 (a "NOTICE AND QUESTIONNAIRE"), to the
Partnership. The Partnership shall mail the Notice and Questionnaire to the
Holders no later than the date of initial filing of a Mandatory Shelf
Registration Statement with the Commission. No Holder shall be entitled to be
named as a selling securityholder in a Mandatory Shelf Registration Statement as
of the initial effective date of a Mandatory Shelf Registration Statement, and
no Holder may use the Prospectus forming a part thereof for resales of
Registrable Units at any time, unless such Holder has returned a completed and
signed Notice and Questionnaire to the Partnership by the deadline for response
set forth therein; provided, however, Holders shall have at least 20 days from
the date on which the Notice and Questionnaire is first mailed to such Holders
to return a completed and signed Notice and Questionnaire to the Partnership.
Notwithstanding the foregoing, (x) upon the request of any Holder that did not
return a Notice and Questionnaire on a timely basis or did

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not receive a Notice and Questionnaire because it was a subsequent transferee of
Registrable Units after the Partnership mailed the Notice and Questionnaire, the
Partnership shall distribute a Notice and Questionnaire to such Holders at the
address set forth in the request and (y) upon receipt of a properly completed
Notice and Questionnaire from such Holder, the Partnership shall use its
reasonable best efforts to name such Holder as a selling securityholder in such
Mandatory Shelf Registration Statement by means of a pre-effective amendment, by
means of a post-effective amendment or, if permitted by the Commission, by means
of a Prospectus supplement to the Mandatory Shelf Registration Statement;
provided, however, that the Partnership will have no obligation to add Holders
to a Mandatory Shelf Registration Statement as selling securityholders more
frequently than one time every 30 calendar days.

     (b) Piggyback Registration. If, after the date hereof, the Partnership
proposes to file a registration statement under the Securities Act providing for
a public offering of the Partnership's equity securities, other than the Holders
Mandatory Shelf Registration Statement, the FBR Mandatory Shelf Registration
Statement or a registration statement on Form S-8 or Form S-4 or any similar
form hereafter adopted by the Commission as a replacement therefor (including
the Prospectus, amendments and supplements to such registration statement or
Prospectus, including pre- and post-effective amendments, all exhibits thereto
and all material incorporated by reference or deemed to be incorporated by
reference, if any, in such registration statement, the "PIGGYBACK REGISTRATION
STATEMENT"), the Partnership will notify each Holder of the proposed filing if
clause (i) of the following sentence applies, or only those affected Holders if
clause (ii) or (iii) of the following sentence applies. If (i) the Piggyback
Registration Statement relates to an IPO Registration Statement, (ii) a
Mandatory Shelf Registration Statement is not then effective or (iii)
Registrable Units eligible for inclusion in a Mandatory Shelf Registration
Statement when initially declared effective were not included in a Mandatory
Shelf Registration Statement (unless such Units have been or can be added to a
Mandatory Registration Statement at such time), then each Holder in the case of
clause (i), and each such affected Holder in the case of clause (ii) and (iii),
shall be given an opportunity to include in such Piggyback Registration
Statement all or any part of such Holder's Registrable Units. Each such Holder
desiring to include in any such Piggyback Registration Statement all or part of
such Holder's Registrable Units shall, within 10 days after receipt of the
above-described notice by the Partnership, so notify the Partnership in writing,
and in such notice shall inform the Partnership of the number of Registrable
Units such Holder wishes to include in such Piggyback Registration Statement and
provide, as a condition to such inclusion, such information regarding itself,
its Registrable Units and the intended method of disposition of such securities
as is required pursuant to Regulation S-K promulgated under the Securities Act
to effect the registration of the Registrable Units. Any Holder's election to
include any Registrable Units in such Piggyback Registration Statement will not
affect the inclusion of such Registrable Units in a Mandatory Shelf Registration
Statement until such Registrable Units have been sold under the Piggyback
Registration Statement at which time the Partnership may remove such Units from
a Mandatory Shelf Registration Statement.

          (i) Right to Terminate Piggyback Registration. The Partnership may
terminate or withdraw any Piggyback Registration Statement, and without any
obligation to any such Holder whether or not any Holder has elected to include
Registrable Units in such registration. The Partnership may suspend the
effectiveness and use of any Piggyback Registration Statement at any time for an
unlimited amount of time whether or not any Holder

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has elected to include Registrable Units in such registration. In the event of
any such termination or withdrawal or unlimited suspension with respect to an
IPO Registration Statement, the following Registration Statement (other than a
Mandatory Shelf Registration Statement) for a public offering of securities by
the Partnership filed under the Securities Act shall, for purposes of this
Agreement, be an IPO Registration Statement.

          (ii) Underwriting. The Partnership shall advise the Holders of the
managing underwriters for any Underwritten Offering proposed under the Piggyback
Registration Statement. The right of any such Holder's Registrable Units to be
included in any Piggyback Registration Statement pursuant to this Section 2(b)
shall be conditioned upon such Holder's participation in such Underwritten
Offering and the inclusion of such Holder's Registrable Units in the
Underwritten Offering to the extent provided herein. All Holders proposing to
distribute their Registrable Units through such Underwritten Offering shall
enter into an underwriting agreement in customary form with the managing
underwriters selected for such underwriting and complete and execute any
questionnaires, powers of attorney, indemnities, securities escrow agreements
and other documents reasonably required under the terms of such underwriting,
and furnish to the Partnership such information in writing as the Partnership
may reasonably request for inclusion in the Registration Statement; provided,
however, that no Holder shall be required to make any representations or
warranties to or agreements with the Partnership or the underwriters other than
representations, warranties or agreements as are customary and reasonably
requested by the underwriters. Notwithstanding any other provision of this
Agreement, if the managing underwriters determine in good faith that marketing
factors require a limitation on the number of Units to be included, then the
managing underwriters may exclude Units (including Registrable Units) from the
Piggyback Registration Statement and the Underwritten Offering, and any Units
included in the Piggyback Registration Statement and the Underwritten Offering
shall be allocated, first, to the Partnership, and second, to each Holder and
the Prior Holder(s) requesting inclusion of their Registrable Securities in such
Piggyback Registration Statement on a pro rata basis based on the total number
of such Units requested to be included provided that among the Prior Holders the
allocation shall be made taking into account the provisions of the Founders
Registration Rights Agreement, provided, however, that the number of Registrable
Units to be included in the Piggyback Registration Statement shall not be
reduced unless all other securities of the Partnership held by other holders of
the Partnership's capital stock with registration rights that are inferior (with
respect to such reduction) to the registration rights of the Holders set forth
herein, are first entirely excluded from the underwriting and registration. If
any Holder disapproves of the terms of any Underwritten Offering, such Holder
may elect to withdraw therefrom by written notice to the Partnership and the
underwriter, delivered at least 10 Business Days before the effective date of
the Piggyback Registration Statement. Any Registrable Units excluded or
withdrawn from such Underwritten Offering shall be excluded and withdrawn from
the Piggyback Registration Statement.

          (iii) Hold-Back Agreement. By electing to include Registrable Units in
the Piggyback Registration Statement, if any, the Holder shall be deemed to have
agreed not to effect any sale or distribution of securities of the Partnership
of the same or similar class or classes of the securities included in the
Registration Statement or any securities convertible into or exchangeable or
exercisable for such securities, including a sale pursuant to Rule 144 under the
Securities Act, during such periods as reasonably requested (but in no event
longer than 30 days before and 75 days following the effective date of the
Piggyback Registration Statement,

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provided the Prior Holders and each of the executive officers and directors of
the Legacy Entities that hold Units or securities convertible into or
exchangeable or exercisable for Units are subject to at least the same
restriction for the entire time period required of the Holders hereunder) by the
representatives of the underwriters, if an Underwritten Offering.

          (iv) Mandatory Shelf Registration not Impacted by Piggyback
Registration Statement. The Partnership's obligation to file any Mandatory Shelf
Registration Statement shall not be affected by the filing or effectiveness of
the Piggyback Registration Statement.

     (c) Expenses. The Partnership shall pay all Registration Expenses in
connection with the registration of the Registrable Units pursuant to this
Agreement. Each Holder participating in a registration pursuant to this Section
2 shall bear such Holder's proportionate share (based on the total number of
Registrable Units sold in such registration) of all discounts and commissions
payable to underwriters or brokers and all transfer taxes in connection with a
registration of Registrable Units pursuant to this Agreement and any other
expense of the Holders not specifically allocated to the Partnership pursuant to
this Agreement relating to the sale or disposition of such Holder's Registrable
Units pursuant to any Registration Statement.

3. Rule 144 and Rule 144A Reporting; Reports to Holders.

     (a) With a view to making available the benefits of certain rules and
regulations of the Commission that may permit the sale of the Registrable Units
to the public without registration, the Partnership agrees to, so long as any
Holder owns any Registrable Units:

          (i) make and keep adequate current public information available, as
those terms are understood and defined in Rule 144(c) at all times after the
effective date of the first registration statement filed by the Partnership
relating to an offering of the Partnership's securities to the general public;

          (ii) use its reasonable best efforts to file with the Commission in a
timely manner all reports and other documents required to be filed by the
Partnership under the Securities Act and the Exchange Act (at any time after it
has become subject to such reporting requirements);

          (iii) furnish to any Holder promptly upon request a written statement
by the Partnership as to its compliance with the reporting requirements of Rule
144 (at any time after 60 days after the effective date the first registration
statement filed by the Partnership for an offering of its securities to the
general public) and of the Exchange Act, a copy of the most recent annual or
quarterly report of the Partnership, and such other reports and documents of the
Partnership, and take such further actions consistent with this Section 3, as a
Holder may reasonably request in availing itself of any rule or regulation of
the Commission allowing a Holder to sell any such Registrable Units without
registration; and

          (iv) so long as a Holder owns any Registrable Units constituting 144A
Units, if the Partnership is not required to file reports and other documents
under the Securities Act and the Exchange Act, it will make available other
information as required by, and so long as necessary to permit sales of
Registrable Units pursuant to, Rule 144 or Rule 144A.

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     (b) So long as a Holder owns any Units, notwithstanding that the
Partnership may not be required to file interim reports under the Securities
Act, or the Exchange Act or otherwise report on an annual and quarterly basis on
forms provided for such annual and quarterly reporting pursuant to rules and
regulations promulgated by the Commission, the Partnership shall use best
efforts to furnish to the Holders all quarterly and annual financial information
that would be required to be contained in a filing with the Commission on Forms
10-K and 10-Q if the Partnership were required to file such forms, including a
"Management's Discussion and Analysis of Financial Condition and Results of
Operations" and, with respect to the annual information only, audit reports
thereon by the certified independent accountants of the Partnership. Such annual
reports shall be furnished by March 31 of the next year and such quarterly
reports shall be furnished within 45 days after the end of such quarter.
Notwithstanding the foregoing, such information shall not be required until
April 15, 2006, with respect to the year ended December 31, 2005 and May 30,
2006, with respect to the quarter ended March 31, 2006.

     (c) Until the Units are listed on the New York Stock Exchange or the
American Stock Exchange or approved for quotation on The NASDAQ Stock Market,
within 60 days of the end of each fiscal quarter (or, with respect to the
quarter ending on the Partnership's fiscal year end, 110 days after the end of
such fiscal quarter (115 with respect to the year ended December 31, 2005)), the
Partnership shall hold a quarterly conference call attended by the GP's Chief
Executive Officer and Chief Financial Officer of a type customarily held by
companies subject to the reporting requirements of the Exchange Act for the
Holders to discuss the results of the prior quarter reported pursuant to Section
3(b) and other relevant matters; provided, however, that if the GP's Board of
Directors determines in good faith upon the advice of legal counsel that such a
call would be inadvisable due to the provisions of the Securities Act or
Exchange Act as a result of any proposed financing, acquisition, merger or other
significant transaction involving the Partnership, the Partnership may suspend
or delay such calls so long as and to the extent that it discontinues all
similar calls with investors in or persons or entities that do business with the
Partnership; provided further that the Partnership shall not suspend such calls
for more than 90 days out of any 365-day period.

4. Registration Procedures.

     In connection with the obligations of the Partnership with respect to any
registration pursuant to this Agreement, the Partnership shall:

     (a) notify FBR, in writing, at least 10 Business Days prior to the initial
filing of a Registration Statement, of its intention to file a Registration
Statement with the Commission and, at least five Business Days prior to filing,
provide a draft of the Registration Statement to FBR; prepare and file with the
Commission, as specified in this Agreement, each Registration Statement, which
Registration Statement at the time it is declared effective shall comply as to
form in all material respects with the requirements of the applicable form and
include all financial statements required by the Commission to be filed
therewith and shall be reasonably acceptable to FBR; notify FBR at least five
Business Days prior to filing of any amendment or supplement to such
Registration Statement and, at least three Business Days prior to filing,
provide a draft of such amendment or supplement to FBR for review and comment;
promptly following receipt from the Commission, provide to FBR copies of any
comments made by the

                                       11

<PAGE>

staff of the Commission relating to such Registration Statement and the
Partnership's responses thereto for review and comment; and, in the case of the
Mandatory Shelf Registration Statement, use its commercially reasonable efforts
to cause such Mandatory Shelf Registration Statement to become effective as soon
as practicable after filing and to remain effective as set forth in Section
2(a)(i);

     (b) subject to Section 4(i), (i) prepare and file with the Commission such
amendments and post-effective amendments to each such Registration Statement as
may be necessary to keep such Registration Statement effective for the period
described in Section 2(a)(i), (ii) cause each Prospectus contained therein to be
supplemented by any required Prospectus supplement, and as so supplemented to be
filed pursuant to Rule 424 or any similar rule that may be adopted under the
Securities Act, (iii) promptly and in any event within 10 calendar days after
the filing thereof amend or supplement each such Registration Statement to
include the Partnership's quarterly and annual financial information and other
material developments (until the Partnership is eligible to incorporate such
information by reference into the Registration Statement), during which time
sales of the Registrable Securities under the Registration Statement will be
suspended until such amendment or supplement is filed and effective, and (iv)
comply in all material respects with the provisions of the Securities Act with
respect to the disposition of all securities covered by each Registration
Statement during the applicable period in accordance with the intended method or
methods of distribution by the selling Holders thereof;

     (c) furnish to each Holder and to each underwriter in any Underwritten
Offering, if any, without charge, as many copies of each Prospectus, including
each preliminary Prospectus, and any amendment or supplement thereto and such
other documents as any party may reasonably request, in order to facilitate the
public sale or other disposition of the Registrable Units; the Partnership
hereby consents to the use of such Prospectus, including each preliminary
Prospectus, by the Holders, if any, in connection with the offering and sale of
the Registrable Units covered by any such Prospectus;

     (d) use its reasonable best efforts to register or qualify, or obtain
exemption from registration or qualification for, all Registrable Units by the
time the applicable Registration Statement is declared effective by the
Commission under all applicable state securities or "blue sky" laws of such
jurisdictions as FBR or any Holder covered by a Registration Statement shall
reasonably request in writing, keep each such registration or qualification or
exemption effective for as long as such Registration Statement is required to be
kept effective pursuant to this Agreement and do any and all other acts and
things that may be reasonably necessary or advisable to enable such Holder to
consummate the disposition in each such jurisdiction of such Registrable Units
owned by such Holder; provided, however, that the Partnership shall not be
required to (i) qualify generally to do business in any jurisdiction or to
register as a broker or dealer in such jurisdiction where it would not otherwise
be required to qualify but for this Section 4(d), (ii) subject itself to
taxation in any such jurisdiction, or (iii) submit to the general service of
process in any such jurisdiction;

     (e) use its reasonable best efforts to cause all Registrable Units covered
by such Registration Statement to be registered and approved by such other
governmental agencies or authorities, if any, as may be necessary to enable the
Holders thereof to consummate the disposition of such Registrable Units;

                                       12

<PAGE>

     (f) notify FBR and each Holder with Registrable Units covered by a
Registration Statement promptly and, if requested by FBR or any such Holder,
confirm such advice in writing (i) when such Registration Statement has become
effective and when any post-effective amendments and supplements thereto become
effective, (ii) of the issuance by the Commission or any state securities
authority of any stop order suspending the effectiveness of such Registration
Statement or the initiation of any proceedings for that purpose, (iii) of any
request by the Commission or any other federal, state, or foreign governmental
authority for amendments or supplements to such Registration Statement or
related Prospectus or for additional information, (iv) of the happening of any
event during the period such Registration Statement is effective as a result of
which such Registration Statement or the related Prospectus or any document
incorporated by reference therein contains any untrue statement of a material
fact or omits to state any material fact required to be stated therein or
necessary to make the statements therein not misleading (which information shall
be accompanied by an instruction to suspend the use of the Registration
Statement and the Prospectus until the requisite changes have been made) and (v)
at the request of any such Holder, promptly to furnish to such Holder a
reasonable number of copies of a supplement to or an amendment of such
Prospectus prepared in accordance with Section 4(i);

     (g) during the period of time referred to in Section 2(a)(i), use its
reasonable best efforts to avoid the issuance of, or if issued, to obtain the
withdrawal of, any order enjoining or suspending the use or effectiveness of a
Registration Statement or suspending the qualification (or exemption from
qualification) of any of the Registrable Units for sale in any jurisdiction, as
promptly as practicable;

     (h) upon request, furnish to each requesting Holder with Registrable Units
covered by a Registration Statement, without charge, at least one conformed copy
of such Registration Statement and any post-effective amendment or supplement
thereto (without documents incorporated therein by reference or exhibits
thereto, unless requested);

     (i) except as provided in Section 5, upon the occurrence of any event
contemplated by Section 4(f)(iv), use its reasonable best efforts to promptly
prepare a supplement or post-effective amendment to a Registration Statement or
the related Prospectus or any document incorporated therein by reference or file
any other required document so that, as thereafter delivered to the purchasers
of the Registrable Units, such Prospectus will not contain any untrue statement
of a material fact or omit to state a material fact required to be stated
therein or necessary to make the statements therein, in the light of the
circumstances under which they were made, not misleading, and, upon request,
promptly furnish to each requesting Holder covered by such Registration
Statement a reasonable number of copies of each such supplement or
post-effective amendment;

     (j) if requested by the representative of the underwriters, if any, or any
Holders of Registrable Units being sold in connection with such offering, (i)
promptly incorporate in a Prospectus supplement or post-effective amendment such
material information as the representative of the underwriters, if any, or such
Holders indicate relates to them or otherwise reasonably request be included
therein and (ii) make all required filings of such Prospectus supplement or such
post-effective amendment as soon as practicable after the Partnership has

                                       13

<PAGE>

received notification of the matters to be incorporated in such Prospectus
supplement or post-effective amendment;

     (k) in the case of an Underwritten Offering with reasonably anticipated
gross proceeds of at least $15 million, use its reasonable best efforts to
furnish or caused to be furnished to each Holder of Registrable Units covered by
such Registration Statement and the underwriters a signed counterpart, addressed
to each such Holder (to the extent customarily so addressed) and the
underwriters, of: (i) an opinion of counsel for the Partnership, dated the date
of each closing under the underwriting agreement, reasonably satisfactory to the
underwriters; and (ii) a "comfort" letter, dated the effective date of such
Registration Statement and the date of each closing under the underwriting
agreement, signed by the independent public accountants who have certified the
Partnership's financial statements included in such Registration Statement,
covering substantially the same matters with respect to such Registration
Statement (and the Prospectus included therein) and with respect to events
subsequent to the date of such financial statements, as are customarily covered
in accountants' letters delivered to underwriters in underwritten public
offerings of securities, and such other financial matters as the underwriters
may reasonably request and customarily obtained by underwriters in underwritten
offerings, provided that, to be an addressee of the comfort letter, each Holder
may be required to confirm that it is in the category of persons to whom a
comfort letter may be delivered in accordance with applicable accounting
literature;

     (l) enter into customary agreements (including in the case of an
Underwritten Offering, an underwriting agreement in customary form) and take all
other action in connection therewith to expedite or facilitate the distribution
of the Registrable Units included in such Registration Statement and, in the
case of an Underwritten Offering, make representations and warranties to the
underwriters in such form and scope as are customarily made by issuers to
underwriters in underwritten offerings and confirm the same to the extent
customary if and when requested;

     (m) in the case of an Underwritten Offering with reasonably anticipated
gross proceeds of at least $15 million, use its reasonable best efforts to make
available for inspection by the representatives of the Holders and the
representative of any underwriters participating in any disposition pursuant to
a Registration Statement, and any special counsel or accountants retained by
such Holders or underwriters, all financial and other records, pertinent
corporate documents and properties of the Partnership and cause the respective
officers, directors and employees of the Partnership to supply all information
reasonably requested by any such representatives, the representative of the
underwriters, counsel thereto or accountants in connection with a Registration
Statement; provided, however, that such records, documents or information that
the Partnership determines, in good faith, to be confidential and notifies such
representatives, representative of the underwriters, counsel thereto or
accountants are confidential shall not be disclosed by the representatives,
representative of the underwriters, counsel thereto or accountants unless (i)
the disclosure of such records, documents or information is necessary to avoid
or correct a misstatement or omission in a Registration Statement or Prospectus,
(ii) the release of such records, documents or information is ordered pursuant
to a subpoena or other order from a court of competent jurisdiction, or (iii)
such records, documents or information have been generally made available to the
public;

                                       14

<PAGE>

     (n) use its commercially reasonable efforts (including curing the listing
or inclusion application for any deficiencies cited by the relevant exchange or
market) to list or include all Registrable Units on the New York Stock Exchange,
the American Stock Exchange or The Nasdaq Stock Market (if the Partnership meets
the listing criteria for any such exchange or market);

     (o) prepare and file in a timely manner all documents and reports required
by the Exchange Act and, to the extent the Partnership's obligation to file such
reports pursuant to Section 15(d) of the Exchange Act expires prior to the
expiration of the effectiveness period of the Registration Statement as required
by Section 2(a)(i), the Partnership shall register the Registrable Units under
the Exchange Act and shall maintain such registration through the effectiveness
period required by Section 2(a)(i);

     (p) provide a CUSIP number for all Registrable Units not later than the
effective date of the Registration Statement;

     (q) (i) otherwise use its reasonable best efforts to comply in all material
respects with all applicable rules and regulations of the Commission, (ii) make
generally available to its stockholders, as soon as reasonably practicable,
earnings statements covering at least 12 months that satisfy the provisions of
Section 11(a) of the Securities Act and Rule 158 thereunder, and (iii) delay
filing any Registration Statement or Prospectus or amendment or supplement to
such Registration Statement or Prospectus to which any Holder of Registrable
Units covered by any such Registration Statement shall have reasonably objected
on the grounds that such Registration Statement or Prospectus or amendment or
supplement does not comply in all material respects with the requirements of the
Securities Act, such Holder having been furnished with a copy thereof at least
three Business Days before the filing thereof, provided that the Partnership may
file such Registration Statement or Prospectus or amendment or supplement
following such time as the Partnership shall have made a good faith effort to
resolve any such issue with the objecting Holder and shall have advised the
Holder in writing of its reasonable belief that such filing complies in all
material respects with the requirements of the Securities Act;

     (r) cause to be maintained a registrar and transfer agent for all
Registrable Units covered by any Registration Statement from and after a date
not later than the effective date of such Registration Statement;

     (s) in connection with any sale or transfer of the Registrable Units
(whether or not pursuant to a Registration Statement) that will result in the
securities being delivered no longer constituting Registrable Units, cooperate
with the Holders and the representative of the underwriters, if any, to
facilitate the timely preparation and delivery of certificates representing the
Registrable Units to be sold, which certificates shall not bear any transfer
restrictive legends (other than as required by the Partnership's charter), and
to enable such Registrable Units to be in such denominations and registered in
such names as the representative of the underwriters, if any, or the Holders may
request at least three Business Days prior to any sale of the Registrable Units;
provided, however, that such Holder has provided the Partnership with any
documents that are reasonably requested by the Partnership;

                                       15
<PAGE>

     (t) if required under the rules of the NASD, in connection with the initial
filing of a Shelf Registration Statement and each amendment thereto with the
Commission pursuant to Section 2(a), prepare and file with the NASD all forms
and information required or requested by the NASD in order to obtain written
confirmation from the NASD that the NASD does not object to the fairness and
reasonableness of the underwriting terms and arrangements (or any deemed
underwriting terms and arrangements) (each such written confirmation, a "NO
OBJECTIONS LETTER") relating to the resale of Registrable Units pursuant to the
Shelf Registration Statement, including, without limitation, information
provided to the NASD through its COBRADesk system, and pay all costs, fees and
expenses incident to the NASD's review of the Shelf Registration Statement and
the related underwriting terms and arrangements, including, without limitation,
all filing fees associated with any filings or submissions to the NASD and the
legal expenses, filing fees and other disbursements of FBR and any other NASD
member that is the holder of, or is affiliated or associated with an owner of,
Registrable Units included in the Shelf Registration Statement (including in
connection with any initial or subsequent member filing); and

     (u) upon effectiveness of the first Registration Statement filed under this
Agreement, the Partnership will take such actions and make such filings as are
necessary to effect the registration of the Units under the Exchange Act
simultaneously with or immediately following the effectiveness of the
Registration Statement.

     The Partnership may require the Holders to furnish to the Partnership such
information regarding the proposed distribution by such Holder as the
Partnership may from time to time reasonably request in writing or as shall be
required to effect the registration of the Registrable Units, and no Holder
shall be entitled to be named as a selling stockholder in any Registration
Statement and no Holder shall be entitled to use the Prospectus forming a part
thereof if such Holder does not provide such information to the Partnership.
Each Holder further agrees to furnish promptly to the Partnership in writing all
information required from time to time to make the information previously
furnished by such Holder not misleading.

     Each Holder agrees that, upon receipt of any notice from the Partnership of
the happening of any event of the kind described in Section 4(f)(ii), 4(f)(iii)
or 4(f)(iv), such Holder will immediately discontinue disposition of Registrable
Units pursuant to a Registration Statement until (i) any such stop order is
vacated or (ii) if an event described in Section 4(f)(iii) or 4(f)(iv) occurs,
such Holder's receipt of the copies of the supplemented or amended Prospectus.
If so directed by the Partnership, such Holder will deliver to the Partnership
(at the reasonable expense of the Partnership) all copies in its possession,
other than permanent file copies then in such Holder's possession, of the
Prospectus covering such Registrable Units current at the time of receipt of
such notice.

5. Suspension Period.

     (a) Subject to the provisions of this Section 5, following the
effectiveness of a Registration Statement (and the filings with any
international, federal or state securities commissions), the Partnership may
direct the Holders, in accordance with Section 5(b), to suspend sales of the
Registrable Units pursuant to a Registration Statement for such times as the
Partnership reasonably may determine is necessary and advisable (but in no
event, (A) in the

                                       16

<PAGE>

case of clause (i) below, for more than 60 consecutive days and (B) in the case
of clauses (i), (ii) and (iii) below, for more than an aggregate of 90 days in
any consecutive 12-month period commencing on the Closing Date or more than 60
days in any consecutive 90-day period, except (in the case of clause (B)) as a
result of a review of any post-effective amendment by the Commission prior to
declaring any post-effective amendment to the Registration Statement effective,
provided that the Partnership has used its commercially reasonable efforts to
cause such post-effective amendment to be declared effective), so long as in
each of the following cases (1) the Prior Holders and (2) the Holders under the
FBR Mandatory Registration Statement and the Holders Mandatory Registration
Statement, if applicable, are given a substantially similar notice and are
required to suspend sales for the same period, if any of the following events
shall occur: (i) except with respect to an initial public offering governed by
Section 8, the representative of the underwriters of an Underwritten Offering of
primary units by the Partnership has advised the Partnership that the sale of
Registrable Units pursuant to such Registration Statement would have a material
adverse effect on such Underwritten Offering; (ii) the majority of the members
of the Board of Directors of the GP shall have determined in good faith that (1)
the offer or sale of any Registrable Units would materially impede, delay or
interfere with any proposed financing, offer or sale of securities, acquisition,
merger, tender offer, business combination, corporate reorganization,
consolidation or other significant transaction involving the Partnership, (2)
upon the advice of counsel, the sale of Registrable Units pursuant to such
Registration Statement would require disclosure of non-public material
information not otherwise required to be disclosed under applicable law, or (3)
either (x) the Partnership has a bona fide business purpose for preserving the
confidentiality of such transaction, (y) disclosure would have a material
adverse effect on the Partnership or the Partnership's ability to consummate
such transaction, or (z) the proposed transaction renders the Partnership unable
to comply with Commission requirements, in each case under circumstances that
would make it impractical or inadvisable to cause the Registration Statement (or
such filings) to become effective or to promptly amend or supplement the
Registration Statement on a post-effective basis, as applicable; or (iii) the
majority of the members of the Board of Directors of the Partnership shall have
determined in good faith that it is required by law, rule or regulation or
Commission published release or interpretation to supplement the Registration
Statement or file a post-effective amendment to the Registration Statement in
order to incorporate information into the Registration Statement including for
the purpose of (1) including in the Registration Statement any prospectus
required under Section 10(a)(3) of the Securities Act; (2) reflecting in the
prospectus included in the Registration Statement any facts or events arising
after the effective date of the Registration Statement (or of the most-recent
post-effective amendment) that, individually or in the aggregate, represents a
fundamental change in the information set forth therein; or (3) including in the
prospectus included in the Registration Statement any material information with
respect to the plan of distribution not disclosed in the Registration Statement
or any material change to such information. Upon the occurrence of any such
suspension, the Partnership shall use its reasonable best efforts to cause the
Registration Statement to become effective or to promptly amend or supplement
the Registration Statement on a post-effective basis or to take such action as
is necessary to make resumed use of the Registration Statement compatible with
the Partnership's best interests, as applicable, so as to permit the Holders to
resume sales of the Registrable Units as soon as possible.

     (b) In the case of an event that causes the Partnership to suspend the use
of a Registration Statement (a "SUSPENSION EVENT"), the Partnership shall give
written notice (a

                                       17

<PAGE>

"SUSPENSION NOTICE") to FBR and the Holders to suspend sales of the Registrable
Units included in such Registration Statement and such notice shall continue
only for so long as the Suspension Event or its effect is continuing. No Holder
shall effect any sales of the Registrable Units pursuant to such Registration
Statement (or such filings) at any time after it has received a Suspension
Notice from the Partnership and prior to receipt of an End of Suspension Notice
(as defined below) with respect to such Registration Statement. If so directed
by the Partnership, each Holder will deliver to the Partnership (at the expense
of the Partnership) all copies other than permanent file copies then in such
Holder's possession of the Prospectus covering the Registrable Units at the time
of receipt of the Suspension Notice. The Holders may recommence effecting sales
of the Registrable Units pursuant to such Registration Statement (or such
filings) following further notice to such effect (an "END OF SUSPENSION NOTICE")
from the Partnership, which End of Suspension Notice shall be given by the
Partnership to the Holders and FBR in the manner described above promptly
following the conclusion of any Suspension Event and its effect.

     (c) Notwithstanding any provision herein to the contrary, subject to any
Suspension Events or as contemplated by Section 4(f)(iv), each Registration
Statement shall be maintained effective pursuant to this Agreement until the
Registrable Units are not Registrable Units.

6. Indemnification and Contribution.

     (a) The Partnership agrees to indemnify and hold harmless (i) FBR, each
Holder and any underwriter (as determined in the Securities Act) for such Holder
(including, if applicable, FBR), (ii) each Person, if any, who controls (within
the meaning of Section 15 of the Securities Act or Section 20(a) of the Exchange
Act) any of the foregoing (a "CONTROLLING PERSON"), and (iii) the respective
officers, directors, partners, members, employees, representatives and agents of
any such Person or any Controlling Person (any Person referred to in clause (i),
(ii) or (iii) may hereinafter be referred to as an "PURCHASER INDEMNITEE") from
and against any and all losses, claims, damages, judgments, actions, reasonable
out-of-pocket expenses, and other liabilities, including, as incurred,
reimbursement of all reasonable costs of investigating, preparing, pursuing or
defending any claim or action, or any investigation or proceeding by any
governmental agency or body, commenced or threatened, including the reasonable
fees and expenses of outside counsel to any Purchaser Indemnitee, joint or
several (the "LIABILITIES"), directly or indirectly related to, based upon,
arising out of or in connection with any untrue statement or alleged untrue
statement of a material fact contained in any Registration Statement or
Prospectus (as amended or supplemented if the Partnership shall have furnished
to such Purchaser Indemnitee any amendments or supplements thereto), or any
preliminary Prospectus or any other document which document is used in
connection with the offering of Registrable Units pursuant to this Agreement, or
any omission or alleged omission to state therein a material fact required to be
stated therein or necessary to make the statements therein (in the case of a
Prospectus, in light of the circumstances under which they were made), not
misleading, except insofar as such Liabilities arise out of or are based upon
(i) any untrue statement or omission or alleged untrue statement or omission
made in reliance upon and in conformity with information relating to any
Purchaser Indemnitee furnished to the Partnership or any underwriter in writing
by such Purchaser Indemnitee expressly for use therein, or (ii) any sales by any
Holder after the delivery by the Partnership to such Holder of a Suspension
Notice and before the delivery by the Partnership of an End of Suspension
Notice. The Partnership shall notify the Holders promptly

                                       18

<PAGE>

of the institution, threat or assertion of any claim, proceeding (including any
governmental investigation), or litigation which it shall have become aware in
connection with the matters addressed by this Agreement which involves the
Partnership or a Purchaser Indemnitee. The indemnity provided for herein shall
remain in full force and effect regardless of any investigation made by or on
behalf of any Purchaser Indemnitee.

     (b) In connection with any Registration Statement in which a Holder is
participating, such Holder agrees, severally and not jointly, to indemnify and
hold harmless FBR, the Partnership, each Person who controls the Partnership or
FBR within the meaning of Section 15 of the Securities Act or Section 20(a) of
the Exchange Act, and the respective officers, directors, partners, members,
representatives, employees and agents of such Person or Controlling Person to
the same extent as the foregoing indemnity from the Partnership to each
Purchaser Indemnitee, but only with reference to (i) untrue statements or
omissions or alleged untrue statements or omissions made in reliance upon and in
strict conformity with information relating to such Holder furnished to the
Partnership in writing by such Holder expressly for use in any Registration
Statement or Prospectus, any amendment or supplement thereto, or any preliminary
Prospectus and (ii) any sales by any Holder after the delivery by the
Partnership to such Holder of a Suspension Notice and before the delivery by the
Partnership of an End of Suspension Notice. The liability of any Holder pursuant
to clause (i) of the immediately preceding sentence shall in no event exceed the
net proceeds received by such Holder from sales of Registrable Units giving rise
to such obligations. If a Holder elects to include Registrable Units in an
Underwritten Offering, the Holder shall be required to agree to such customary
indemnification provisions as may reasonably be required by the underwriter in
connection with such Underwritten Offering.

     (c) If any suit, action, proceeding (including any governmental or
regulatory investigation), claim or demand shall be brought or asserted against
any Person in respect of which indemnity may be sought pursuant to Section 6(a)
or 6(b), such Person (the "INDEMNIFIED PARTY"), shall promptly notify the Person
against whom such indemnity may be sought (the "INDEMNIFYING PARTY"), in writing
(to the extent legally advisable) of the commencement thereof (but the failure
to so notify an Indemnifying Party shall not relieve it from any Liability which
it may have under this Section 6, except to the extent the Indemnifying Party is
materially prejudiced by the failure to give notice), and the Indemnifying
Party, upon request of the Indemnified Party, shall retain counsel reasonably
satisfactory to the Indemnified Party to represent the Indemnified Party and any
others the Indemnifying Party may reasonably designate in such proceeding and
shall assume the defense of such proceeding and pay the fees and expenses
actually incurred by such counsel related to such proceeding. Notwithstanding
the foregoing, in any such proceeding, any Indemnified Party may retain its own
counsel, but the fees and expenses of such counsel shall be at the expense of
such Indemnified Party, unless (i) the Indemnifying Party and the Indemnified
Party shall have mutually agreed in writing to the contrary, (ii) the
Indemnifying Party failed within a reasonable time after notice of commencement
of the action to assume the defense and employ counsel reasonably satisfactory
to the Indemnified Party, (iii) the Indemnifying Party and its counsel do not
pursue in a reasonable manner the defense of such action or (iv) the named
parties to any such action (including any impleaded parties) include both such
Indemnified Party and the Indemnifying Party, or any Affiliate of the
Indemnifying Party, and such Indemnified Party shall have been reasonably
advised by counsel that, either (x) there may be one or more legal defenses
available

                                       19
<PAGE>

to it which are different from or additional to those available to the
Indemnifying Party or such Affiliate of the Indemnifying Party or (y) a conflict
may exist between such Indemnified Party and the Indemnifying Party or such
Affiliate of the Indemnifying Party, in which event the Indemnifying Party may
not assume or direct the defense of such action on behalf of such Indemnified
Party, it being understood, however, that the Indemnifying Party shall not, in
connection with any one such action or separate but substantially similar or
related actions arising out of the same general allegations or circumstances, be
liable for the fees and expenses of more than one separate firm of attorneys (in
addition to any local counsel) for all such Indemnified Parties, which firm
shall be designated in writing by those Indemnified Parties who sold a majority
of the Registrable Units sold by all such Indemnified Parties and any such
separate firm for the Partnership, the directors, the officers and such control
Persons of the Partnership as shall be designated in writing by the Partnership.
The Indemnifying Party shall not be liable for any settlement of any proceeding
effected without its written consent, but if settled with such consent or if
there be a final non-appealable judgment for the plaintiff, the Indemnifying
Party agrees to indemnify any Indemnified Party from and against any Liability
by reason of such settlement or judgment to the extent provided in this Section
6 without reference to this sentence. No Indemnifying Party shall, without the
prior written consent of the Indemnified Party, effect any settlement of any
pending or threatened proceeding in respect of which any Indemnified Party is or
could have been a party and indemnity could have been sought hereunder by such
Indemnified Party, unless such settlement includes an unconditional release of
such Indemnified Party from all Liability on claims that are the subject matter
of such proceeding.

     (d) If the indemnification provided for in Section 6(a) or 6(b) is for any
reason held to be unavailable to an Indemnified Party in respect of any
Liabilities referred to therein (other than by reason of the exceptions provided
therein) or is insufficient to hold harmless a party indemnified thereunder,
then each Indemnifying Party under such sections, in lieu of indemnifying such
Indemnified Party thereunder, shall contribute to the amount paid or payable by
such Indemnified Party as a result of such Liabilities (i) in such proportion as
is appropriate to reflect the relative benefits of the Indemnified Party on the
one hand and the Indemnifying Parties on the other in connection with the
statements or omissions that resulted in such Liabilities, or (ii) if the
allocation provided by clause (i) above is not permitted by applicable law, in
such proportion as is appropriate to reflect not only the relative benefits
referred to in clause (i) above but also the relative fault of the Indemnifying
Parties and the Indemnified Party, as well as any other relevant equitable
considerations. The relative fault of the Partnership, on the one hand, and any
Purchaser Indemnitees, on the other, shall be determined by reference to, among
other things, whether the untrue or alleged untrue statement of a material fact
or the omission or alleged omission to state a material fact relates to
information supplied by the Partnership or by such Purchaser Indemnitees and the
parties' relative intent, knowledge, access to information and opportunity to
correct or prevent such statement or omission.

     (e) The parties agree that it would not be just and equitable if
contribution pursuant to this Section 6 were determined by pro rata allocation
(even if such Indemnified Parties were treated as one entity for such purpose),
or by any other method of allocation that does not take account of the equitable
considerations referred to in Section 6(d). The amount paid or payable by an
Indemnified Party as a result of any Liabilities referred to in Section 6(d)
shall be deemed to include, subject to the limitations set forth above, any
reasonable legal or other expenses

                                       20

<PAGE>

actually incurred by such Indemnified Party in connection with investigating or
defending any such action or claim. Notwithstanding the provisions of this
Section 6, in no event shall a Purchaser Indemnitee be required to contribute
any amount in excess of the amount by which proceeds received by such Purchaser
Indemnitee from sales of Registrable Units exceeds the amount of any damages
that such Purchaser Indemnitee has otherwise been required to pay by reason of
such untrue or alleged untrue statement or omission or alleged omission. For
purposes of this Section 6, each Person, if any, who controls (within the
meaning of Section 15 of the Act or Section 20(a) of the Exchange Act) FBR or a
Holder shall have the same rights to contribution as FBR or such Holder, as the
case may be, and each Person, if any, who controls (within the meaning of
Section 15 of the Act or Section 20(a) of the Exchange Act) the Partnership, and
each officer, director, partner, member, employee, representative, agent or
manager of the Partnership shall have the same rights to contribution as the
Partnership. Any party entitled to contribution will, promptly after receipt of
notice of commencement of any action, suit or proceeding against such party in
respect of which a claim for contribution may be made against another party or
parties, notify each party or parties from whom contribution may be sought, but
the omission to so notify such party or parties shall not relieve the party or
parties from whom contribution may be sought from any obligation it or they may
have under this Section 6 or otherwise, except to the extent that any party is
materially prejudiced by the failure to give notice. No Person guilty of
fraudulent misrepresentation (within the meaning of Section 11(f) of the
Securities Act), shall be entitled to contribution from any Person who was not
guilty of such fraudulent misrepresentation.

     (f) The indemnity and contribution agreements contained in this Section 6
will be in addition to any Liability which any Indemnifying Party may otherwise
have to any Indemnified Party referred to above. Each Purchaser Indemnitee's
obligations to contribute pursuant to this Section 6 are not joint but are
several in the proportion that the number of Units sold by such Purchaser
Indemnitee bears to the number of Units sold by all Purchaser Indemnities.

7. Registration Defaults.

          (a) Additional payments ("ADDITIONAL PAYMENTS") with respect to the
     Units shall be assessed as follows if any of the following events occur
     (each such event in clauses (i) through (iii) below being herein called a
     "REGISTRATION DEFAULT"):

               (i) either a Mandatory Shelf Registration Statement has not been
          (A) filed with the Commission before May 15, 2006 or (B) declared
          effective by the Commission within 180 days of the filing thereof
          (provided that (x) if a majority of the Independent Directors (as
          defined in the Amended and Restated Agreement of Limited Partnership
          of the Partnership) determine in good faith that causing the Mandatory
          Shelf Registration Statement to comply with the requirements as to
          acquired company financial statements included in Section 3-05 and
          Article 11 of Regulation S-X under the Securities Act would materially
          impede, delay or interfere with a proposed acquisition, then the date
          required for effectiveness of the Mandatory Shelf Registration
          Statement may be extended for not more than 60 days, and (y) in such
          event, the Partnership has given notice of such determination to the
          Holders five days after it is made);

                                       21

<PAGE>

               (ii) the Partnership fails, with respect to a Holder that
          supplies a Notice and Questionnaire described in Section 2(a)(iii), to
          cause an amendment to the already effective Mandatory Shelf
          Registration Statement to be filed or, if permitted by the Commission,
          to prepare a Prospectus supplement to such Mandatory Shelf
          Registration Statement and distribute such supplement to Holders, in
          each case within the time period set forth in Section 2(a)(iii) to
          name such Holder as an additional selling securityholder; or

               (iii) any Mandatory Shelf Registration Statement is declared
          effective by the Commission but (A) a Mandatory Shelf Registration
          Statement thereafter ceases to be effective during the period
          contemplated by Section 2(a)(i) or (B) as specified in Section 5(a), a
          Mandatory Shelf Registration Statement or the Prospectus ceases to be
          usable in connection with resales of Registrable Units during the
          periods specified herein and the Partnership fails to (1) cure such
          Mandatory Shelf Registration Statement within five business days by a
          post-effective amendment or a report filed pursuant to the Exchange
          Act or (2) if applicable, terminate the suspension period described in
          Section 5(a) by the 60th day.

          Each of the foregoing will constitute a Registration Default whatever
          the reason for any such event and whether it is voluntary or
          involuntary or is beyond the Partnership's control or pursuant to
          operation of law or as a result of any action or inaction by the
          Commission.

          (b) Additional Payments shall accrue on the Units from and including
     the date on which any such Registration Default occurs to but excluding the
     date on which all such Registration Defaults have been cured, at the rate
     of $0.085 per Unit ($0.17 with respect to Registration Defaults under
     Section 7(a)(i)(A)) per annum (subject to adjustment for splits,
     recombinations and similar matters); provided, however, that in no event
     shall Additional Payments accrue on any Units for more than one
     Registration Default at any one time, and in the case of a Registration
     Default the Partnership's obligation to pay Additional Payments extends
     only to the affected Registrable Units. Except as described in Section
     7(c), other than the obligation to pay Additional Payments, the Partnership
     will have no other liabilities for monetary damages with respect to its
     registration obligations. With respect to each Holder, the Partnership's
     obligations to pay Additional Payments remain in effect only so long as the
     securities held by the Holder are Registrable Units.

          (c)

               (i) Notwithstanding any other provision of this Agreement, if the
          Holders Mandatory Registration Statement is not filed within 240 days
          of the date hereof, in lieu of the right to receive Additional
          Payments, the Holders may appoint a majority of the GP's Board of
          Directors (the "BOARD"). The Partnership must provide notice of such
          failure to file the Registration Statement within 245 days of the date
          hereof to the ten Holders hereunder having the greatest "beneficial
          ownership" (as defined under Section 13d-3 and 13d-5 under the

                                       22

<PAGE>

          Exchange Act) of Registrable Units. Such Holders may serve on a
          committee to propose individuals to serve on the Board. The Holders
          who elect to serve on such committee shall meet within 255 days of the
          date hereof to nominate individuals to serve on the Board. The
          committee's vote shall be made based on the number of Units the
          applicable members "beneficially own." Committee meetings may be in
          person or telephonically.

               (ii) If members of such committee beneficially own greater than
          50% of the Registrable Units, the members of such committee having
          beneficial ownership of greater than 50% of the Registrable Units may
          directly appoint the members of the Board. If members of such
          committee holding greater than 50% of the Registrable Units cannot
          agree on Board members, within 15 days of the date of the nomination
          of individuals to serve on the Board, the GP shall deliver proxies to
          Holders as of the 240th day after the date hereof who shall vote on
          such nominees. Such Holders may act with respect to such matters in
          person or by proxy. It shall take the approval of a majority of the
          Holders of Registrable Units present in person or by proxy to select
          Board members. Holders beneficially owning greater than 50% of the
          Registrable Units may also act by written consent. If an insufficient
          number of individuals receive the affirmative vote of the majority of
          the Registrable Units to constitute a majority of the Board, then no
          members shall be elected and Additional Payments shall continue to be
          due.

8. Market Stand-off Agreement.

     Each Holder hereby agrees that it shall not, to the extent requested by the
Partnership or an underwriter of securities of the Partnership, directly or
indirectly sell, offer to sell (including without limitation any short sale),
grant any option or otherwise transfer or dispose of any Registrable Units or
other Units or any securities convertible into or exchangeable or exercisable
for Units then owned by such Holder (other than to donees or partners of the
Holder who agree to be similarly bound) for 75 days following the effective date
of a registration statement (other than the Mandatory Shelf Registration
Statement) for an initial public offering of securities by the Partnership filed
under the Securities Act (an "IPO REGISTRATION STATEMENT"); provided, however,
that:

     (a) the restrictions above shall not apply to Registrable Units sold
pursuant to the IPO Registration Statement;

     (b) all Prior Holders, and all executive officers and directors of the
Legacy Entities then holding Units or securities convertible into or
exchangeable or exercisable for Units are subject to the same restrictions for
the entire time period required of the Holders hereunder;

     (c) the Holders shall be allowed any concession or proportionate release
allowed to any officer or director that entered into similar agreements (with
such proportion being determined by dividing the number of Units being released
with respect to such officer or director by the total number of Units held by
such officer or director); provided, that nothing in this Section 7(c) shall be
construed as a right to proportionate release for the executive officers

                                       23

<PAGE>

and directors of the Legacy Entities upon the expiration of the 75-day period
applicable to all Holders other than the executive officers and directors of the
Legacy Entities.

     To enforce the foregoing covenant, the Partnership may place restrictive
legends on the certificates representing the securities subject to this Section
8 and to impose stop transfer instructions with respect to the Registrable Units
and such other securities of each Holder (and the securities of every other
Person subject to the foregoing restriction) until the end of such period.

9. Termination of the Partnership's Obligations.

     The Partnership shall have no further obligations pursuant to this
Agreement at such time as no Registrable Units are outstanding after their
original issuance, provided, however, that the Partnership's obligations under
Sections 6 and 11 (and any related definitions) shall remain in full force and
effect following such time.

10. Limitations on Subsequent Registration Rights.

     From and after the date of this Agreement, the Partnership shall not,
without the prior written consent of the Holders of a majority of the
Registrable Units of such Holders that are not Affiliates of the Partnership,
enter into any agreement with any holder or prospective holder of any securities
of the Partnership that would allow such holder or prospective holder to include
such securities in a Holders Mandatory Shelf Registration Statement or, except
as provided herein and in the Founders Registration Rights Agreement with
respect to Holders and Prior Holders, the IPO Registration Statement, if any,
filed pursuant to the terms hereof, unless under the terms of such agreement,
such holder or prospective holder may include such securities on such Holders
Mandatory Shelf Registration Statement or such IPO Registration Statement only
to the extent that the inclusion of such securities will not reduce the amount
of Registrable Units of the Holders that is included on the Holders Mandatory
Shelf Registration Statement or such IPO Registration Statement. From and after
the date of this Agreement, the Partnership shall not, without the prior written
consent of FBR or FBR Merchant Banking, enter into any agreement with any holder
or prospective holder or any securities of the Partnership that would allow such
holder or prospective holder to include such securities in the FBR Mandatory
Shelf Registration Statement.

11. Miscellaneous.

     (a) Remedies. In the event of a breach by the Partnership of any of its
obligations under this Agreement, each Holder, in addition to being entitled to
exercise all rights provided herein or, in the case of FBR, in the Placement
Agreement, or granted by law, including recovery of damages, will be entitled to
specific performance of its rights under this Agreement. Subject to Section 7,
the Partnership agrees that monetary damages would not be adequate compensation
for any loss incurred because of a breach by it of any of the provisions of this
Agreement and hereby further agrees that, in the event of any action for
specific performance in respect of such breach, it shall waive the defense that
a remedy at law would be adequate.

     (b) Amendments and Waivers. This Agreement may not be amended, modified or
supplemented, and waivers or consents to or departures from the provisions
hereof may not be

                                       24

<PAGE>

given, without the written consent of the Partnership and Holders beneficially
owning a majority of the Registrable Units; provided, however, that for purposes
of this Agreement, Registrable Units owned, directly or indirectly, by an
Affiliate of the Partnership shall not be deemed to be outstanding.
Notwithstanding the foregoing, a waiver or consent to or departure from the
provisions hereof with respect to a matter that relates exclusively to (i) a
Holders Mandatory Shelf Registration Statement or FBR Mandatory Shelf
Registration Statement may be given only with the consent of a majority of
Registrable Units covered thereby and (ii) the rights of a Holder whose
securities are being sold pursuant to a Registration Statement and that does not
directly or indirectly affect, impair, limit or compromise the rights of other
Holders may be given by such Holder; provided that the provisions of this
sentence may not be amended, modified or supplemented except in accordance with
the provisions of the immediately preceding sentence.

     (c) Notices. All notices and other communications, provided for or
permitted hereunder shall be made in writing and delivered by facsimile (with
receipt confirmed), overnight courier or registered or certified mail, return
receipt requested, or by telegram, addressed as follows:

          (i) if to a Holder, at the most current address given by the transfer
agent and registrar of the Units to the Partnership;

          (ii) if to the Partnership, at the offices of the Partnership at 303
W. Wall Street, Suite 1600, Midland, Texas 79701; Attention: Steven H. Pruett
(facsimile (432) 686-8318); with a copy (which shall not constitute notice) to
Andrews Kurth LLP, 600 Travis St., Suite 4200, Houston, Texas 77002, Attention:
James Baird (facsimile (713) 238-7120); and

          (iii) if to FBR, at the offices of FBR at 1001 19th Street North,
Arlington, Virginia 22209, Attention: William Ginivan, Esq. (facsimile (804)
788-8218); with a copy (which shall not constitute notice) to Akin Gump Strauss
Hauer & Feld LLP, 1111 Louisiana St., Houston, Texas 77002, Attention: Julien
Smythe, Esq. and Vince Kendrick, Esq. (facsimile (713) 236-0822).

     (d) Successors and Assigns; Third Party Beneficiaries. This Agreement shall
inure to the benefit of and be binding upon the successors and assigns of each
of the parties hereto and shall inure to the benefit of each Holder. The
Partnership agrees that the Holders shall be third party beneficiaries to the
agreements made hereunder by FBR and the Partnership, and each Holder shall have
the right to enforce such agreements directly to the extent it deems such
enforcement necessary or advisable to protect its rights hereunder; provided,
however, that such Holder fulfills all of its obligations hereunder.

     (e) No Inconsistent Terms. Each Legacy Entity represents, warrants and
agrees that (i) the rights granted to the Holders hereunder do not in any way
conflict with and are not inconsistent with the rights granted to the holders of
any other outstanding securities issued or guaranteed by the Partnership under
any other agreement and (ii) the Partnership has not entered into any agreement
that is inconsistent with the rights granted to the Holders in this Agreement or
otherwise conflicts with the provisions hereof.

                                       25

<PAGE>

     (f) Counterparts. This Agreement may be executed in any number of
counterparts and by the parties hereto in separate counterparts, each of which
when so executed shall be deemed to be an original and all of which taken
together shall constitute one and the same agreement.

     (g) GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN
ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, AS APPLIED TO CONTRACTS MADE
AND PERFORMED WITHIN THE STATE OF NEW YORK, WITHOUT REGARD TO PRINCIPLES OF
CONFLICTS OF LAW. EACH OF THE PARTIES HERETO HEREBY IRREVOCABLY SUBMITS TO THE
NONEXCLUSIVE JURISDICTION OF THE UNITED STATES DISTRICT COURT OF THE SOUTHERN
DISTRICT OF NEW YORK OR THE SUPREME COURT OF THE STATE OF NEW YORK OR SITTING IN
NEW YORK COUNTY IN RESPECT OF ANY SUIT, ACTION OR PROCEEDING ARISING OUT OF OR
RELATING TO THIS AGREEMENT, AND IRREVOCABLY ACCEPTS FOR ITSELF AND IN RESPECT OF
ITS PROPERTY, GENERALLY AND UNCONDITIONALLY, THE JURISDICTION OF THE AFORESAID
COURTS. EACH OF THE PARTIES HERETO IRREVOCABLY WAIVES, TO THE FULLEST EXTENT IT
MAY EFFECTIVELY DO SO UNDER APPLICABLE LAW, ANY OBJECTION THAT IT MAY NOW OR
HEREAFTER HAVE TO THE LAYING OF THE VENUE OF ANY SUCH SUIT, ACTION OR PROCEEDING
BROUGHT IN ANY SUCH COURT AND ANY CLAIM THAT ANY SUCH SUIT, ACTION OR PROCEEDING
BROUGHT IN ANY SUCH COURT HAS BEEN BROUGHT IN AN INCONVENIENT FORUM.

     (h) Severability. If any term, provision, covenant or restriction of this
Agreement is held by a court of competent jurisdiction to be invalid, illegal,
void or unenforceable, the remainder of the terms, provisions, covenants and
restrictions set forth herein shall remain in full force and effect and shall in
no way be affected, impaired or invalidated, and the parties hereto shall use
their reasonable best efforts to find and employ an alternative means to achieve
the same or substantially the same result as that contemplated by such term,
provision, covenant or restriction. It is hereby stipulated and declared to be
the intention of the parties hereto that they would have executed the remaining
terms, provisions, covenants and restrictions without including any of such that
may be hereafter declared invalid, illegal, void or unenforceable.

     (i) Entire Agreement. This Agreement, together with the Placement
Agreement, is intended by the parties hereto as a final expression of their
agreement, and is intended to be a complete and exclusive statement of the
agreement and understanding of the parties hereto in respect of the subject
matter contained herein and therein. All of the obligations, agreements,
covenants, representations and warranties under the engagement letter dated
March 6, 2006, between the Partnership and FBR (the "ENGAGEMENT LETTER") shall
survive the execution, delivery and termination and the performance of this
Agreement and the consummation of the transactions contemplated hereby without
any modification thereof; provided, that to the extent there is a conflict
between the provisions of the Engagement Letter and the provisions of this
Agreement, this Agreement shall prevail to that extent.

     (j) Registrable Units Held by the Partnership or its Affiliates. Whenever
the consent or approval of Holders of a specified percentage of Registrable
Units is required hereunder,

                                       26

<PAGE>

Registrable Units (or securities convertible into Registrable Units) held by the
Partnership or Affiliates of the Partnership shall not be counted in determining
whether such consent or approval was given by the Holders of such required
percentage.

     (k) Survival. This Agreement is intended to survive the consummation of the
transactions contemplated by the Placement Agreement. The indemnification and
contribution obligations under Section 6 shall survive the termination of the
Partnership's obligations under Section 2.

     (l) Headings. The headings in this Agreement are for convenience of
reference only and shall not limit or otherwise affect the provisions of this
Agreement. All references made in this Agreement to "Section" refer to such
Section of this Agreement, unless expressly stated otherwise.

     (m) Adjustment for Splits, etc. Wherever in this Agreement there is a
reference to a specific number of equity interests with respect to any
securities, then upon the occurrence of any subdivision, combination, or
dividend of such equity interests, the specific number of equity interests with
respect to any securities so referenced in this Agreement shall automatically be
proportionally adjusted to reflect the effect on the outstanding equity
interests of such class or series of partner interest by such subdivision,
combination, or dividend.

                [REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK]

                                       27

<PAGE>

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

                                       LEGACY RESERVES LP

                                       By: Legacy Reserves GP, LLC,
                                           its general partner

                                       By: /s/ Steven H. Pruett
                                           -------------------------------------
                                       Name:  Steven H. Pruett
                                       Title: President, Chief Financial Officer
                                              and Secretary

                                       LEGACY RESERVES GP, LLC

                                       By: /s/ Steven H. Pruett
                                           -------------------------------------
                                       Name:  Steven H. Pruett
                                       Title: President, Chief Financial Officer
                                              and Secretary

                                       FRIEDMAN, BILLINGS, RAMSEY & CO., INC.
                                       (for the benefit of the Holders)

                                       By: /s/ James R. Kleeblatt
                                           -------------------------------------
                                       Name:   James R. Kleeblatt
                                             -----------------------------------
                                       Title:  Senior Managing Director
                                              ----------------------------------

                 Signature Page - Registration Rights Agreement<PAGE>

                                                                    Exhibit 10.1

                                                                  EXECUTION COPY

                                CREDIT AGREEMENT

                                   DATED AS OF
                                 MARCH 15, 2006

                                      AMONG

                               LEGACY RESERVES LP,
                                  AS BORROWER,

                                  BNP PARIBAS,
                            AS ADMINISTRATIVE AGENT,

                                       AND

                            THE LENDERS PARTY HERETO

                       SOLE LEAD ARRANGER AND BOOK RUNNER

                                   BNP PARIBAS

<PAGE>

                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>
                                    ARTICLE I
                       DEFINITIONS AND ACCOUNTING MATTERS

Section 1.01  Terms Defined Above........................................     1
Section 1.02  Certain Defined Terms......................................     1
Section 1.03  Types of Loans and Borrowings..............................    19
Section 1.04  Terms Generally............................................    19
Section 1.05  Accounting Terms and Determinations; GAAP..................    19

                                   ARTICLE II
                                   THE CREDITS

Section 2.01  Commitments................................................    19
Section 2.02  Loans and Borrowings.......................................    20
Section 2.03  Requests for Borrowings....................................    21
Section 2.04  Interest Elections.........................................    21
Section 2.05  Funding of Borrowings......................................    23
Section 2.06  Termination and Reduction of Aggregate Maximum Credit
              Amounts....................................................    23
Section 2.07  Borrowing Base.............................................    24
Section 2.08  Letters of Credit..........................................    26

                                   ARTICLE III
              PAYMENTS OF PRINCIPAL AND INTEREST; PREPAYMENTS; FEES

Section 3.01  Repayment of Loans.........................................    30
Section 3.02  Interest...................................................    31
Section 3.03  Alternate Rate of Interest.................................    31
Section 3.04  Prepayments................................................    32
Section 3.05  Fees.......................................................    33

                                   ARTICLE IV
               PAYMENTS; PRO RATA TREATMENT; SHARING OF SET-OFFS.

Section 4.01  Payments Generally; Pro Rata Treatment; Sharing of
              Set-offs...................................................    34
Section 4.02  Presumption of Payment by the Borrower.....................    35
Section 4.03  Certain Deductions by the Administrative Agent.............    35

                                    ARTICLE V
           INCREASED COSTS; BREAK FUNDING PAYMENTS; TAXES; ILLEGALITY

Section 5.01  Increased Costs............................................    36
Section 5.02  Break Funding Payments.....................................    37
Section 5.03  Taxes......................................................    37
Section 5.04  Designation of Different Lending Office....................    38
Section 5.05  Illegality.................................................    38
</TABLE>

                                       i

<PAGE>

<TABLE>
<S>                                                                         <C>
                                   ARTICLE VI
                              CONDITIONS PRECEDENT

Section 6.01  Effective Date.............................................    39
Section 6.02  Each Credit Event..........................................    41

                                   ARTICLE VII
                         REPRESENTATIONS AND WARRANTIES

Section 7.01  Organization; Powers.......................................    42
Section 7.02  Authority; Enforceability..................................    42
Section 7.03  Approvals; No Conflicts....................................    42
Section 7.04  Financial Position; No Material Adverse Change.............    42
Section 7.05  Litigation.................................................    43
Section 7.06  Environmental Matters......................................    43
Section 7.07  Compliance with the Laws and Agreements; No Defaults.......    44
Section 7.08  Investment Company Act.....................................    44
Section 7.09  Taxes......................................................    45
Section 7.10  ERISA......................................................    45
Section 7.11  Disclosure; No Material Misstatements......................    46
Section 7.12  Insurance..................................................    46
Section 7.13  Restriction on Liens.......................................    46
Section 7.14  Subsidiaries...............................................    46
Section 7.15  Location of Business and Offices...........................    47
Section 7.16  Properties; Titles, Etc....................................    47
Section 7.17  Maintenance of Properties..................................    48
Section 7.18  Gas Imbalances, Prepayments................................    48
Section 7.19  Marketing of Production....................................    48
Section 7.20  Swap Agreements............................................    49
Section 7.21  Use of Loans and Letters of Credit.........................    49
Section 7.22  Solvency...................................................    49

                                  ARTICLE VIII
                              AFFIRMATIVE COVENANTS

Section 8.01  Financial Statements; Ratings Change; Other Information....    49
Section 8.02  Notices of Material Events.................................    52
Section 8.03  Existence; Conduct of Business.............................    52
Section 8.04  Payment of Obligations.....................................    53
Section 8.05  Performance of Obligations under Loan Documents............    53
Section 8.06  Operation and Maintenance of Properties....................    53
Section 8.07  Insurance..................................................    54
Section 8.08  Books and Records; Inspection Rights.......................    54
Section 8.09  Compliance with Laws.......................................    54
Section 8.10  Environmental Matters......................................    54
Section 8.11  Further Assurances.........................................    55
Section 8.12  Reserve Reports............................................    56
Section 8.13  Title Information..........................................    56
Section 8.14  Additional Collateral; Additional Guarantors...............    57
Section 8.15  ERISA Compliance...........................................    58
</TABLE>

                                       ii

<PAGE>

<TABLE>
<S>                                                                         <C>
Section 8.16  Marketing Activities.......................................    58

                                   ARTICLE IX
                               NEGATIVE COVENANTS

Section 9.01  Financial Covenants........................................    59
Section 9.02  Debt.......................................................    59
Section 9.03  Liens......................................................    60
Section 9.04  Dividends, Distributions and Redemptions...................    60
Section 9.05  Investments, Loans and Advances............................    60
Section 9.06  Nature of Business.........................................    61
Section 9.07  Limitation on Leases.......................................    61
Section 9.08  Proceeds of Notes..........................................    62
Section 9.09  ERISA Compliance...........................................    62
Section 9.10  Sale or Discount of Receivables............................    63
Section 9.11  Mergers, Etc...............................................    63
Section 9.12  Sale of Properties.........................................    63
Section 9.13  Environmental Matters......................................    64
Section 9.14  Transactions with Affiliates...............................    64
Section 9.15  Subsidiaries...............................................    64
Section 9.16  Negative Pledge Agreements; Dividend Restrictions..........    64
Section 9.17  Gas Imbalances, Take-or-Pay or Other Prepayments...........    64
Section 9.18  Swap Agreements............................................    65
Section 9.19  Tax Status as Partnership; Partnership Agreement...........    65

                                    ARTICLE X
                           EVENTS OF DEFAULT; REMEDIES

Section 10.01 Events of Default..........................................    65
Section 10.02 Remedies...................................................    67
Section 10.03 Disposition of Proceeds....................................    68

                                   ARTICLE XI
                            THE ADMINISTRATIVE AGENT

Section 11.01 Appointment; Powers........................................    68
Section 11.02 Duties and Obligations of Administrative Agent.............    68
Section 11.03 Action by Administrative Agent.............................    69
Section 11.04 Reliance by Administrative Agent...........................    70
Section 11.05 Subagents..................................................    70
Section 11.06 Resignation or Removal of Administrative Agent.............    70
Section 11.07 Administrative Agent and Lenders...........................    71
Section 11.08 No Reliance................................................    71
Section 11.09 Administrative Agent May File Proofs of Claim..............    71
Section 11.10 Authority of Administrative Agent to Release Collateral
              and Liens..................................................    72
Section 11.11 The Arranger...............................................    72

                                   ARTICLE XII
                                  MISCELLANEOUS

Section 12.01 Notices....................................................    72
Section 12.02 Waivers; Amendments........................................    74
</TABLE>

                                      iii

<PAGE>

<TABLE>
<S>                                                                         <C>
Section 12.03 Expenses, Indemnity; Damage Waiver.........................    75
Section 12.04 Successors and Assigns.....................................    77
Section 12.05 Survival; Revival; Reinstatement...........................    80
Section 12.06 Counterparts; Integration; Effectiveness...................    80
Section 12.07 Severability...............................................    81
Section 12.08 Right of Setoff............................................    81
Section 12.09 GOVERNING LAW; JURISDICTION; CONSENT TO SERVICE OF
              PROCESS....................................................    81
Section 12.10 Headings...................................................    82
Section 12.11 Confidentiality............................................    82
Section 12.12 Interest Rate Limitation...................................    83
Section 12.13 EXCULPATION PROVISIONS.....................................    84
Section 12.14 Collateral Matters; Swap Agreements........................    84
Section 12.15 No Third Party Beneficiaries...............................    84
Section 12.16 USA Patriot Act Notice.....................................    84
</TABLE>

                                       iv

<PAGE>

<TABLE>
<S>           <C>
Annex I       List of Maximum Credit Amounts

Exhibit A     Form of Note
Exhibit B     Form of Compliance Certificate
Exhibit C-1   Security Instruments
Exhibit C-2   Form of Guaranty Agreement
Exhibit C-3   Form of Pledge Agreement
Exhibit D     Form of Assignment and Assumption

Schedule 7.05 Litigation
Schedule 7.12 Material Agreements
Schedule 7.15 Subsidiaries and Partnerships
Schedule 7.18 Gas Imbalances
Schedule 7.19 Marketing Contracts
Schedule 7.20 Swap Agreements
</TABLE>

                                       v
<PAGE>

     This CREDIT AGREEMENT dated as of March 15, 2006, is among Legacy Reserves
LP, a limited partnership duly formed and existing under the laws of the State
of Delaware (the "Borrower"); each of the Lenders from time to time party
hereto; and BNP PARIBAS (in its individual capacity, "BNP Paribas"), as
administrative agent for the Lenders (in such capacity, together with its
successors in such capacity, the "Administrative Agent").

                                    RECITALS

     A. The Borrower has requested that the Lenders provide certain loans to and
extensions of credit on behalf of the Borrower.

     B. The Lenders have agreed to make such loans and extensions of credit
subject to the terms and conditions of this Agreement.

     C. In consideration of the mutual covenants and agreements herein contained
and of the loans, extensions of credit and commitments hereinafter referred to,
the parties hereto agree as follows:

                                    ARTICLE I
                       DEFINITIONS AND ACCOUNTING MATTERS

     Section 1.01 Terms Defined Above. As used in this Agreement, each term
defined above has the meaning indicated above.

     Section 1.02 Certain Defined Terms. As used in this Agreement, the
following terms have the meanings specified below:

     "ABR", when used in reference to any Loan or Borrowing, refers to whether
such Loan, or the Loans comprising such Borrowing, are bearing interest at a
rate determined by reference to the Alternate Base Rate.

     "Administrative Questionnaire" means an Administrative Questionnaire in a
form supplied by the Administrative Agent.

     "Affected Loans" has the meaning assigned such term in Section 5.05.

     "Affiliate" means, with respect to a specified Person, another Person that
directly, or indirectly through one or more intermediaries, Controls or is
Controlled by or is under common Control with the Person specified.

     "Aggregate Maximum Credit Amounts" at any time shall equal the sum of the
Maximum Credit Amounts, as the same may be reduced or terminated pursuant to
Section 2.06.

     "Agreement" means this Credit Agreement, as the same may from time to time
be amended, modified, supplemented or restated.

     "Alternate Base Rate" means, for any day, a rate per annum equal to the
highest of (a) the Prime Rate in effect on such day and (b) the Federal Funds
Effective Rate in effect on such day plus

<PAGE>

1/2 of 1%. Any change in the Alternate Base Rate due to a change in the Prime
Rate or the Federal Funds Effective Rate shall be effective from and including
the effective date of such change in the Prime Rate or the Federal Funds
Effective Rate, respectively.

     "Applicable Margin" means, for any day, with respect to any ABR Loan or
Eurodollar Loan, as the case may be, the rate per annum set forth in the
Borrowing Base Utilization Grid below based upon the Borrowing Base Utilization
Percentage then in effect:

<TABLE>
<CAPTION>
                   Borrowing Base Utilization            Eurodollar
                           Percentage                       Loans     ABR Loans
          --------------------------------------------   ----------   ---------
<S>       <C>                                            <C>          <C>
Level 1   less than 33%                                    1.250%      0.000%

Level 2   greater than or equal to 33%, but less than      1.500%      0.000%
          66%

Level 3   greater than or equal to 66%, but less than      1.750%      0.250%
          85%

Level 4   greater than or equal to 85%                     1.875%      0.375%
</TABLE>

     Each change in the Applicable Margin shall apply during the period
commencing on the effective date of such change and ending on the date
immediately preceding the effective date of the next such change, provided,
however, that if at any time the Borrower fails to deliver a Reserve Report
pursuant to Section 8.12(a), then the "Applicable Margin" means the rate per
annum set forth on the grid when the Borrowing Base Utilization Percentage is at
its highest level.

     "Applicable Percentage" means, with respect to any Lender, the percentage
of the Aggregate Maximum Credit Amounts represented by such Lender's Maximum
Credit Amount as such percentage is set forth on Annex I.

     "Approved Counterparty" means (a) any Lender or any Affiliate of a Lender
and (b) any other Person whose long term senior unsecured debt rating is A/A2 by
S&P or Moody's (or their equivalent) or higher.

     "Arranger" means BNP Paribas, in its capacity as lead arranger and book
runner hereunder.

     "Assignment and Assumption" means an assignment and assumption entered into
by a Lender and an assignee (with the consent of any party whose consent is
required by Section 12.04(b)), and accepted by the Administrative Agent, in the
form of Exhibit D or any other form approved by the Administrative Agent.

     "Availability Period" means the period from and including the Effective
Date to but excluding the Termination Date.

                                        2

<PAGE>

     "Available Cash" means, with respect to any fiscal quarter ending prior to
the Termination Date:

     (a) the sum of (i) all cash and cash equivalents of the Borrower and its
Subsidiaries, treated as a single consolidated entity, on hand at the end of
such fiscal quarter; and (ii) all additional cash and cash equivalents of the
Borrower and its Subsidiaries on hand on the date of determination of Available
Cash with respect to such fiscal quarter resulting from working capital
borrowings (including borrowings under this Agreement) made subsequent to the
end of such fiscal quarter, less

     (b) the amount of any cash reserves established by Legacy Reserves GP, LLC
as the general partner of the Borrower to (i) provide for the proper conduct of
the business of the Borrower and its Subsidiaries (including reserves for future
capital expenditures including drilling and acquisitions and for anticipated
future credit needs of the Borrower and its Subsidiaries), (ii) comply with
applicable law or any loan agreement, security agreement, mortgage, debt
instrument or other agreement or obligation to which the Borrower or an
Affiliate is a party or by which it is bound or its assets are subject or (iii)
provide funds for distributions with respect to any one or more of the next four
fiscal quarters; provided, that disbursements made by the Borrower or its
Subsidiaries or cash reserves established, increased or reduced after the end of
such fiscal quarter but on or before the date of determination of Available Cash
with respect to such fiscal quarter shall be deemed to have been made,
established, increased or reduced, for purposes of determining Available Cash,
within such fiscal quarter if Legacy Reserves GP, LLC as the general partner of
the Borrower so determines.

     "Board" means the Board of Governors of the Federal Reserve System of the
United States of America or any successor Governmental Authority.

     "Borrowing" means Loans of the same Type, made, converted or continued on
the same date and, in the case of Eurodollar Loans, as to which a single
Interest Period is in effect.

     "Borrowing Base" means at any time an amount equal to the amount determined
in accordance with Section 2.07, as the same may be adjusted from time to time
pursuant to Section 8.13(c) or Section 9.12(d).

     "Borrowing Base Deficiency" occurs if at any time the total Revolving
Credit Exposures exceeds the Borrowing Base then in effect.

     "Borrowing Base Utilization Percentage" means, as of any day, the fraction
expressed as a percentage, the numerator of which is the sum of the Revolving
Credit Exposures of the Lenders on such day, and the denominator of which is the
Borrowing Base in effect on such day.

     "Borrowing Request" means a request by the Borrower for a Borrowing in
accordance with Section 2.03.

     "Brothers" means Brothers Production Properties, Ltd., a Texas limited
partnership.

     "Brothers Credit Agreement" means the Credit Agreement dated September 13,
2005 among Brothers, BNP Paribas, as administrative agent, and the lenders party
thereto.

     "Business Day" means any day that is not a Saturday, Sunday or other day on
which commercial banks in New York City or Houston, Texas are authorized or
required by law to remain

                                        3

<PAGE>

closed; and if such day relates to a Borrowing or continuation of, a payment or
prepayment of principal of or interest on, or a conversion of or into, or the
Interest Period for, a Eurodollar Loan or a notice by the Borrower with respect
to any such Borrowing or continuation, payment, prepayment, conversion or
Interest Period, any day which is also a day on which dealings in dollar
deposits are carried out in the London interbank market.

     "Capital Leases" means, in respect of any Person, all leases which shall
have been, or should have been, in accordance with GAAP, recorded as capital
leases on the balance sheet of the Person liable (whether contingent or
otherwise) for the payment of rent thereunder.

     "Casualty Event" means any loss, casualty or other insured damage to, or
any nationalization, taking under power of eminent domain or by condemnation or
similar proceeding of, any Property of the Borrower or any of its Subsidiaries
having a fair market value in excess of $100,000 in the aggregate for any
calendar year.

     "Change in Control" means (a) the acquisition of ownership, directly or
indirectly, beneficially or of record, by any Person or group of Persons acting
in concert as a partnership or other "group" (within the meaning of the
Securities Exchange Act of 1934 and the rules of the SEC thereunder as in effect
on the date hereof) other than any Permitted Holders (except that such person or
group shall be deemed to have "beneficial ownership" of all shares that any
person or group has the right to acquire, whether such right is exercisable
immediately or only after the passage of time), of Equity Interests representing
more than 35% of the aggregate ordinary voting power represented by the issued
and outstanding Equity Interests of the Borrower (or its successor by merger,
consolidation or purchase of all or substantially all of its assets); (b) the
first day on which a majority of the members of the Board of Directors of Legacy
Reserves GP, LLC are not Continuing Directors; (c) the direct or indirect sale,
lease, transfer, conveyance or other disposition (other than by way of merger or
consolidation), in one or a series of related transactions, of all or
substantially all of the properties or assets (including Equity Interests of the
Subsidiaries) of the Borrower and its Subsidiaries taken as a whole to any
"person" (as such term is used in Section 13(d) and 14(d) of the Securities and
Exchange Act of 1934); (d) the adoption of a plan relating to the liquidation or
dissolution of the Borrower; or (e) Legacy Reserves GP, LLC ceases to be the
sole general partner of the Borrower.

     "Change in Law" means (a) the adoption of any law, rule or regulation after
the date of this Agreement, (b) any change in any law, rule or regulation or in
the interpretation or application thereof by any Governmental Authority after
the date of this Agreement or (c) compliance by any Lender or any Issuing Bank
(or, for purposes of Section 5.01(b), by any lending office of such Lender or by
such Lender's or such Issuing Bank's holding company, if any) with any request,
guideline or directive (whether or not having the force of law) of any
Governmental Authority made or issued after the date of this Agreement.

     "Code" means the Internal Revenue Code of 1986, as amended from time to
time, and any successor statute.

     "Commitment" means, with respect to each Lender, the commitment of such
Lender to make Loans and to acquire participations in Letters of Credit
hereunder, expressed as an amount representing the maximum aggregate amount of
such Lender's Revolving Credit Exposure hereunder, as such commitment may be (a)
modified from time to time pursuant to Section 2.06 and (b) modified from time
to time pursuant to assignments by or to such Lender pursuant to Section

                                        4

<PAGE>

12.04(b). The amount representing each Lender's Commitment shall at any time be
the lesser of such Lender's Maximum Credit Amount and such Lender's Applicable
Percentage of the then effective Borrowing Base.

     "Consolidated Net Income" means with respect to the Borrower and the
Consolidated Subsidiaries, for any period, the aggregate of the net income (or
loss) of the Borrower and the Consolidated Subsidiaries after allowances for
taxes for such period determined on a consolidated basis in accordance with
GAAP; provided that there shall be excluded from such net income (to the extent
otherwise included therein) the following: (a) the net income of any Person in
which the Borrower or a Consolidated Subsidiary has an interest (which interest
does not cause the net income of such other Person to be consolidated with the
net income of the Borrower and the Consolidated Subsidiaries in accordance with
GAAP), except to the extent of the amount of dividends or distributions actually
paid in cash during such period by such other Person to the Borrower or to a
Consolidated Subsidiary, as the case may be; (b) the net income (but not loss)
during such period of any Consolidated Subsidiary to the extent that the
declaration or payment of dividends or similar distributions or transfers or
loans by that Consolidated Subsidiary is not at the time permitted by operation
of the terms of its charter or any agreement, instrument or Governmental
Requirement applicable to such Consolidated Subsidiary or is otherwise
restricted or prohibited, in each case determined in accordance with GAAP; (c)
the net income (or loss) of any Person acquired in a pooling-of-interests
transaction for any period prior to the date of such transaction; and (d) any
extraordinary gains or losses during such period; and provided further that if
the Borrower or any Consolidated Subsidiary shall acquire or dispose of any
Property during such period, then Consolidated Net Income shall be calculated
after giving pro forma effect to such acquisition or disposition, as if such
acquisition or disposition had occurred on the first day of such period.

     "Consolidated Subsidiaries" means each Subsidiary of the Borrower (whether
now existing or hereafter created or acquired) the financial statements of which
shall be (or should have been) consolidated with the financial statements of the
Borrower in accordance with GAAP.

     "Continuing Directors" means, as of any date of determination, any member
of the board of directors of Legacy Reserves GP, LLC who (a) was a member of
such board of directors on the date of this Agreement; (b) was nominated for
election or elected to such board of directors with the approval of a majority
of the Continuing Directors who were members of such board of directors at the
time of such nomination or election; or (c) was elected by holders of any of the
Borrower's Equity Interests, if such election took place as the result of the
Borrower's failure to file a registration statement pursuant to a registration
rights agreement among the Borrower, Legacy Reserves GP, LLC and Friedman,
Billings, Ramsey & Co., Inc. in connection with the Offering within 240 days of
the Offering.

     "Contributing Parties" means Moriah Properties, Ltd., a Texas limited
partnership, DAB Resources, Ltd., a Texas limited partnership, Brothers
Production Properties, Ltd., a Texas limited partnership, Brothers Production
Company, Inc., a Texas corporation, Brothers Operating Company, Inc., a Texas
corporation, J&W McGraw Properties, Ltd., a Texas limited partnership, H2K
Holdings, Ltd., a Texas limited partnership, MBN Properties LP, a Delaware
limited partnership, Charities Support Foundation, Inc., a Texas nonprofit
corporation, Moriah Foundation, Inc., a Texas nonprofit corporation, and Cary
Brown Family Foundation, Inc., a Texas nonprofit corporation.

     "Control" means the possession, directly or indirectly, of the power to
direct or cause the direction of the management or policies of a Person, whether
through the ability to exercise voting power, by contract or otherwise. For the
purposes of this definition, and without limiting the

                                        5

<PAGE>

generality of the foregoing, any Person that owns directly or indirectly 10% or
more of the Equity Interests having ordinary voting power for the election of
the directors or other governing body of a Person will be deemed to "control"
such other Person. "Controlling" and "Controlled" have meanings correlative
thereto.

     "Debt" means, for any Person, the sum of the following (without
duplication): (a) all obligations of such Person for borrowed money or evidenced
by bonds, bankers' acceptances, debentures, notes or other similar instruments;
(b) all obligations of such Person (whether contingent or otherwise) in respect
of letters of credit, surety or other bonds and similar instruments; (c) all
accounts payable, accrued expenses, liabilities or other obligations of such
Person, in each such case to pay the deferred purchase price of Property or
services; (d) all obligations under Capital Leases; (e) all obligations under
Synthetic Leases; (f) all Debt (as defined in the other clauses of this
definition) of others secured by (or for which the holder of such Debt has an
existing right, contingent or otherwise, to be secured by) a Lien on any
Property of such Person, whether or not such Debt is assumed by such Person; (g)
all Debt (as defined in the other clauses of this definition) of others
guaranteed by such Person or in which such Person otherwise assures a creditor
against loss of the Debt (howsoever such assurance shall be made) to the extent
of the lesser of the amount of such Debt and the maximum stated amount of such
guarantee or assurance against loss; (h) all obligations or undertakings of such
Person to maintain or cause to be maintained the financial position or covenants
of others or to purchase the Debt or Property of others; (i) obligations to
deliver commodities, goods or services, including, without limitation,
Hydrocarbons, in consideration of one or more advance payments, other than gas
balancing arrangements in the ordinary course of business; (j) obligations to
pay for goods or services whether or not such goods or services are actually
received or utilized by such Person; (k) any Debt of a partnership for which
such Person is liable either by agreement, by operation of law or by a
Governmental Requirement but only to the extent of such liability; (l)
Disqualified Capital Stock; and (m) the undischarged balance of any production
payment created by such Person or for the creation of which such Person directly
or indirectly received payment. The Debt of any Person shall include all
obligations of such Person of the character described above to the extent such
Person remains legally liable in respect thereof notwithstanding that any such
obligation is not included as a liability of such Person under GAAP.

     "Default" means any event or condition which constitutes an Event of
Default or which upon notice, lapse of time or both would, unless cured or
waived, become an Event of Default.

     "Disqualified Capital Stock" means any Equity Interest that, by its terms
(or by the terms of any security into which it is convertible or for which it is
exchangeable) or upon the happening of any event, matures or is mandatorily
redeemable for any consideration other than other Equity Interests (which would
not constitute Disqualified Capital Stock), pursuant to a sinking fund
obligation or otherwise, or is convertible or exchangeable for Debt or
redeemable for any consideration other than other Equity Interests (which would
not constitute Disqualified Capital Stock) at the option of the holder thereof,
in whole or in part, on or prior to the date that is one year after the earlier
of (a) the Maturity Date and (b) the date on which there are no Loans, LC
Exposure or other obligations hereunder outstanding and all of the Commitments
are terminated.

     "dollars" or "$" refers to lawful money of the United States of America.

     "Domestic Subsidiary" means any Subsidiary that is organized under the laws
of the United States of America or any state thereof or the District of
Columbia.

                                        6

<PAGE>

     "EBITDA" means, for any period, Consolidated Net Income for such period
plus, to the extent deducted from revenues in determining Consolidated Net
Income, (i) Consolidated Interest Expense, (ii) expense for income and income
based taxes paid or accrued, (iii) depreciation, depletion, amortization,
accretion and impairment, including without limitation, impairment of goodwill,
and (iv) any non-cash items associated with (a) mark to market accounting
related to derivatives or investments, (b) stock based compensation arising from
the grant of or issuance or replacement of stock, stock options or other
equity-based awards or any amendment, modification, substitution or change of
any such stock, stock options or other equity-based awards, in each case in
connection with employee plans or other compensation arrangements, and/or (c)
any gains or losses attributable to writeups or writedowns of assets, including
ceiling test writedowns; less, all non-cash items increasing Consolidated Net
Income, all calculated for the Borrower and its Subsidiaries on a consolidated
basis.

     "Effective Date" means the date on which the conditions specified in
Section 6.01 are satisfied (or waived in accordance with Section 12.02).

     "Engineering Reports" has the meaning assigned such term in Section
2.07(c)(i).

     "Environmental Laws" means any and all Governmental Requirements pertaining
in any way to health, safety the environment or the preservation or reclamation
of natural resources, in effect in any and all jurisdictions in which the
Borrower or any of its Subsidiaries is conducting or at any time has conducted
business, or where any Property of the Borrower or any of its Subsidiaries is
located, including without limitation, the Oil Pollution Act of 1990 ("OPA"), as
amended, the Clean Air Act, as amended, the Comprehensive Environmental,
Response, Compensation, and Liability Act of 1980 ("CERCLA"), as amended, the
Federal Water Pollution Control Act, as amended, the Occupational Safety and
Health Act of 1970, as amended, the Resource Conservation and Recovery Act of
1976 ("RCRA"), as amended, the Safe Drinking Water Act, as amended, the Toxic
Substances Control Act, as amended, the Superfund Amendments and Reauthorization
Act of 1986, as amended, the Hazardous Materials Transportation Act, as amended,
and other environmental conservation or protection Governmental Requirements.
The term "oil" shall have the meaning specified in OPA, the terms "hazardous
substance" and "release" (or "threatened release") have the meanings specified
in CERCLA, the terms "solid waste" and "disposal" (or "disposed") have the
meanings specified in RCRA and the term "oil and gas waste" shall have the
meaning specified in Section 91.1011 of the Texas Natural Resources Code
("Section 91.1011"); provided, however, that (a) in the event either OPA,
CERCLA, RCRA or Section 91.1011 is amended so as to broaden the meaning of any
term defined thereby, such broader meaning shall apply subsequent to the
effective date of such amendment and (b) to the extent the laws of the state or
other jurisdiction in which any Property of the Borrower or any of its
Subsidiaries is located establish a meaning for "oil," "hazardous substance,"
"release," "solid waste," "disposal" or "oil and gas waste" which is broader
than that specified in either OPA, CERCLA, RCRA or Section 91.1011, such broader
meaning shall apply.

     "Equity Interests" means shares of capital stock, partnership interests,
membership interests in a limited liability company, beneficial interests in a
trust or other equity ownership interests in a Person, and any warrants, options
or other rights entitling the holder thereof to purchase or acquire any such
Equity Interest.

     "ERISA" means the Employee Retirement Income Security Act of 1974, as
amended, and any successor statute.

                                        7

<PAGE>

     "ERISA Affiliate" means each trade or business (whether or not
incorporated) which together with the Borrower or any of its Subsidiaries would
be deemed to be a "single employer" within the meaning of section 4001(b)(1) of
ERISA or subsections (b), (c), (m) or (o) of section 414 of the Code.

     "ERISA Event" means (a) a "Reportable Event" described in section 4043 of
ERISA and the regulations issued thereunder, (b) the withdrawal of the Borrower
or any of its Subsidiaries or any ERISA Affiliate from a Plan during a plan year
in which it was a "substantial employer" as defined in section 4001(a)(2) of
ERISA, (c) the filing of a notice of intent to terminate a Plan or the treatment
of a Plan amendment as a termination under section 4041 of ERISA, (d) the
institution of proceedings to terminate a Plan by the PBGC, (e) receipt of a
notice of withdrawal liability pursuant to Section 4202 of ERISA or (f) any
other event or condition which might constitute grounds under section 4042 of
ERISA for the termination of, or the appointment of a trustee to administer, any
Plan.

     "Eurodollar", when used in reference to any Loan or Borrowing, refers to
whether such Loan, or the Loans comprising such Borrowing, are bearing interest
at a rate determined by reference to the LIBO Rate.

     "Event of Default" has the meaning assigned such term in Section 10.01.

     "Excepted Liens" means: (a) Liens for Taxes, assessments or other
governmental charges or levies which are not delinquent or which are being
contested in good faith by appropriate action and for which adequate reserves
have been maintained in accordance with GAAP; (b) Liens in connection with
workers' compensation, unemployment insurance or other social security, old age
pension or public liability obligations which are not delinquent or which are
being contested in good faith by appropriate action and for which adequate
reserves have been maintained in accordance with GAAP; (c) statutory landlord's
liens, operators', vendors', carriers', warehousemen's, repairmen's, mechanics',
suppliers', workers', materialmen's, construction or other like Liens arising by
operation of law in the ordinary course of business or incident to the
exploration, development, operation and maintenance of Oil and Gas Properties
each of which is in respect of obligations that are not delinquent or which are
being contested in good faith by appropriate action and for which adequate
reserves have been maintained in accordance with GAAP; (d) contractual Liens
which arise in the ordinary course of business under operating agreements, joint
venture agreements, oil and gas partnership agreements, oil and gas leases,
farm-out agreements, division orders, contracts for the sale, transportation or
exchange of oil and natural gas, unitization and pooling declarations and
agreements, area of mutual interest agreements, overriding royalty agreements,
marketing agreements, processing agreements, net profits agreements, development
agreements, gas balancing or deferred production agreements, injection,
repressuring and recycling agreements, salt water or other disposal agreements,
seismic or other geophysical permits or agreements, and other agreements which
are usual and customary in the oil and gas business and are for claims which are
not delinquent or which are being contested in good faith by appropriate action
and for which adequate reserves have been maintained in accordance with GAAP,
provided that any such Lien referred to in this clause does not materially
impair the use of the Property covered by such Lien for the purposes for which
such Property is held by the Borrower or any of its Subsidiaries or materially
impair the value of such Property subject thereto; (e) Liens arising solely by
virtue of any statutory or common law provision relating to banker's liens,
rights of set-off or similar rights and remedies and burdening only deposit
accounts or other funds maintained with a creditor depository institution,
provided that no such deposit account is a dedicated cash collateral account or
is subject to restrictions against access by the depositor in excess of those
set forth by regulations promulgated by the Board and no

                                        8

<PAGE>

such deposit account is intended by the Borrower or any of its Subsidiaries to
provide collateral to the depository institution; (f) easements, restrictions,
servitudes, permits, conditions, covenants, exceptions or reservations in any
Property of the Borrower or any of its Subsidiaries for the purpose of roads,
pipelines, transmission lines, transportation lines, distribution lines for the
removal of gas, oil, coal or other minerals or timber, and other like purposes,
or for the joint or common use of real estate, rights of way, facilities and
equipment, that do not secure any monetary obligations and which in the
aggregate do not materially impair the use of such Property for the purposes of
which such Property is held by the Borrower or any of its Subsidiaries or
materially impair the value of such Property subject thereto; (g) Liens on cash
or securities pledged to secure performance of tenders, surety and appeal bonds,
government contracts, performance and return of money bonds, bids, trade
contracts, leases, statutory obligations, regulatory obligations and other
obligations of a like nature incurred in the ordinary course of business and (h)
judgment and attachment Liens not giving rise to an Event of Default, provided
that any appropriate legal proceedings which may have been duly initiated for
the review of such judgment shall not have been finally terminated or the period
within which such proceeding may be initiated shall not have expired and no
action to enforce such Lien has been commenced; provided, further that Liens
described in clauses (a) through (e) shall remain "Excepted Liens" only for so
long as no action to enforce such Lien has been commenced and no intention to
subordinate the first priority Lien granted in favor of the Administrative Agent
and the Lenders is to be hereby implied or expressed by the permitted existence
of such Excepted Liens.

     "Excluded Taxes" means, with respect to the Administrative Agent, any
Lender, any Issuing Bank or any other recipient of any payment to be made by or
on account of any obligation of the Borrower or any Guarantor hereunder or under
any other Loan Document, (a) income or franchise taxes imposed on (or measured
by) its net income by the United States of America or such other jurisdiction
under the laws of which such recipient is organized or in which its principal
office is located or, in the case of any Lender, in which its applicable lending
office is located, (b) any branch profits taxes imposed by the United States of
America or any similar tax imposed by any other jurisdiction in which the
Borrower or any Guarantor is located and (c) in the case of a Foreign Lender any
withholding tax that is imposed on amounts payable to such Foreign Lender at the
time such Foreign Lender becomes a party to this Agreement (or designates a new
lending office) or is attributable to such Foreign Lender's failure to comply
with Section 5.03(e), except to the extent that such Foreign Lender (or its
assignor, if any) was entitled, at the time of designation of a new lending
office (or assignment), to receive additional amounts with respect to such
withholding tax pursuant to Section 5.03(a) or Section 5.03(c).

     "Existing Credit Agreements" means Brothers Credit Agreement, Moriah Credit
Agreement and MBN Credit Agreement.

     "Federal Funds Effective Rate" means, for any day, the weighted average
(rounded upwards, if necessary, to the next 1/100 of 1%) of the rates on
overnight Federal funds transactions with members of the Federal Reserve System
arranged by Federal funds brokers, as published on the next succeeding Business
Day by the Federal Reserve Bank of New York, or, if such rate is not so
published for any day that is a Business Day, the average (rounded upwards, if
necessary, to the next 1/100 of 1%) of the quotations for such day for such
transactions received by the Administrative Agent from three Federal funds
brokers of recognized standing selected by it.

     "Financial Officer" means, for any Person, the chief financial officer,
principal accounting officer, treasurer or controller of such Person. Unless
otherwise specified, all references to a Financial Officer shall mean a
Financial Officer of the Borrower.

                                       9

<PAGE>

     "Financial Statements" means the financial statement or statements of the
Borrower and its Consolidated Subsidiaries referred to in Section 7.04(a).

     "Foreign Lender" means any Lender that is organized under the laws of a
jurisdiction other than that in which the Borrower is located. For purposes of
this definition, the United States of America, each State thereof and the
District of Columbia shall be deemed to constitute a single jurisdiction.

     "Foreign Subsidiary" means any Subsidiary that is not a Domestic
Subsidiary.

     "GAAP" means generally accepted accounting principles in the United States
of America as in effect from time to time subject to the terms and conditions
set forth in Section 1.05.

     "Governmental Authority" means the government of the United States of
America, any other nation or any political subdivision thereof, whether state or
local, and any agency, authority, instrumentality, regulatory body, court,
central bank or other entity exercising executive, legislative, judicial,
taxing, regulatory or administrative powers or functions of or pertaining to
government over the Borrower or any of its Subsidiaries, any of their
Properties, the Administrative Agent, any Issuing Bank or any Lender.

     "Governmental Requirement" means any law, statute, code, ordinance, order,
determination, rule, regulation, judgment, decree, injunction, franchise,
permit, certificate, license, authorization or other directive or requirement,
whether now or hereinafter in effect, including, without limitation,
Environmental Laws, energy regulations and occupational, safety and health
standards or controls, of any Governmental Authority.

     "Guarantors" means (a) Legacy Reserves Operating LP, (b) Legacy Reserves
Operating GP LLC, (c) Legacy Reserves Services, Inc., and (d) each Material
Domestic Subsidiary formed or acquired during the term of this Agreement or
other Domestic Subsidiary that guarantees the Indebtedness pursuant to Section
8.14(b).

     "Guaranty Agreement" means the Guarantee Agreement executed by the
Guarantors in substantially the form attached as Exhibit C-2, unconditionally
guarantying on a joint and several basis payment of the Indebtedness, as the
same may be amended, modified or supplemented from time to time.

     "Highest Lawful Rate" means, with respect to each Lender, the maximum
nonusurious interest rate, if any, that at any time or from time to time may be
contracted for, taken, reserved, charged or received on the Notes or on other
Indebtedness under laws applicable to such Lender which are presently in effect
or, to the extent allowed by law, under such applicable laws which may hereafter
be in effect and which allow a higher maximum nonusurious interest rate than
applicable laws allow as of the date hereof.

     "Hydrocarbon Interests" means all rights, titles, interests and estates now
or hereafter acquired in and to oil and gas leases, oil, gas and mineral leases,
or other liquid or gaseous hydrocarbon leases, mineral fee interests, overriding
royalty and royalty interests, net profit interests and production payment
interests, including any reserved or residual interests of whatever nature.

                                       10

<PAGE>

     "Hydrocarbons" means oil, gas, casinghead gas, drip gasoline, natural
gasoline, condensate, distillate, liquid hydrocarbons, gaseous hydrocarbons and
all products refined or separated therefrom.

     "Indebtedness" means any and all amounts owing or to be owing by the
Borrower, any of its Subsidiaries or any Guarantor (whether direct or indirect
(including those acquired by assumption), absolute or contingent, due or to
become due, now existing or hereafter arising): (a) to the Administrative Agent,
any Issuing Bank or any Lender under any Loan Document; (b) to any Lender or any
Affiliate of a Lender under any Swap Agreements among such Person and the
Borrower or any Subsidiary or assigned to such Person while such Person (or in
the case of its Affiliate, the Lender affiliated therewith) is a Lender
hereunder and (c) all renewals, extensions and/or rearrangements of any of the
above.

     "Indemnified Taxes" means Taxes other than Excluded Taxes.

     "Initial Reserve Reports" means the report of LaRoche Petroleum Consultants
Ltd. dated as of December 31, 2005, with respect to the value of the Oil and Gas
Properties of Brothers, Moriah and MBN contributed to Legacy Reserves Operating
LP under Section 6.01(i).

     "Interest Election Request" means a request by the Borrower to convert or
continue a Borrowing in accordance with Section 2.04.

     "Interest Expense" means, for any period, the sum (determined without
duplication) of the aggregate gross interest expense of the Borrower and the
Consolidated Subsidiaries for such period, including (a) to the extent included
in interest expense under GAAP: (i) amortization of debt discount, (ii)
capitalized interest and (iii) the portion of any payments or accruals under
Capital Leases allocable to interest expense, plus the portion of any payments
or accruals under Synthetic Leases allocable to interest expense whether or not
the same constitutes interest expense under GAAP and (b) cash dividend payments
by the Borrower in respect of any Disqualified Capital Stock.

     "Interest Period" means with respect to any Eurodollar Borrowing, the
period commencing on the date of such Borrowing and ending on the numerically
corresponding day in the calendar month that is one, two, three or six months
thereafter, as the Borrower may elect; provided, that (a) if any Interest Period
would end on a day other than a Business Day, such Interest Period shall be
extended to the next succeeding Business Day unless such next succeeding
Business Day would fall in the next calendar month, in which case such Interest
Period shall end on the next preceding Business Day and (b) any Interest Period
pertaining to a Eurodollar Borrowing that commences on the last Business Day of
a calendar month (or on a day for which there is no numerically corresponding
day in the last calendar month of such Interest Period) shall end on the last
Business Day of the last calendar month of such Interest Period. For purposes
hereof, the date of a Borrowing initially shall be the date on which such
Borrowing is made and thereafter shall be the effective date of the most recent
conversion or continuation of such Borrowing.

     "Interim Redetermination" has the meaning assigned such term in Section
2.07(b).

     "Investment" means, for any Person: (a) the acquisition (whether for cash,
Property, services or securities or otherwise) of Equity Interests of any other
Person or any agreement to make any such acquisition (including, without
limitation, any "short sale" or any sale of any securities at a time when such
securities are not owned by the Person entering into such short sale); (b) the
making of any deposit with, or advance, loan or capital contribution to,
assumption of Debt of, purchase or

                                       11

<PAGE>

other acquisition of any other Debt or equity participation or interest in, or
other extension of credit to, any other Person (including the purchase of
Property from another Person subject to an understanding or agreement,
contingent or otherwise, to resell such Property to such Person, but excluding
any such advance, loan or extension of credit having a term not exceeding ninety
(90) days representing the purchase price of inventory or supplies sold by such
Person in the ordinary course of business); (c) the purchase or acquisition (in
one or a series of transactions) of Property of another Person that constitutes
a business unit or (d) the entering into of any guarantee of, or other
contingent obligation (including the deposit of any Equity Interests to be sold)
with respect to, Debt or other liability of any other Person and (without
duplication) any amount committed to be advanced, lent or extended to such
Person.

     "Issuing Bank" means BNP Paribas, in its capacity as an issuer of Letters
of Credit hereunder, and its successors in such capacity as provided in Section
2.08(i). Any Issuing Bank may, in its discretion, arrange for one or more
Letters of Credit to be issued by Affiliates of such Issuing Bank, in which case
the term "Issuing Bank" shall include any such Affiliate with respect to Letters
of Credit issued by such Affiliate.

     "LC Commitment" at any time means Twenty Five Million Dollars
($25,000,000).

     "LC Disbursement" means a payment made by any Issuing Bank pursuant to a
Letter of Credit issued by such Issuing Bank.

     "LC Exposure" means, at any time, the sum of (a) the aggregate undrawn
amount of all outstanding Letters of Credit at such time plus (b) the aggregate
amount of all LC Disbursements that have not yet been reimbursed by or on behalf
of the Borrower at such time. The LC Exposure of any Lender at any time shall be
its Applicable Percentage of the total LC Exposure at such time.

     "Legacy Reserves GP, LLC" means Legacy Reserves GP, LLC, a Delaware limited
liability company and the general partner of the Borrower.

     "Legacy Reserves Operating GP LLC" means Legacy Reserves Operating GP LLC,
a Delaware limited liability company, the general partner of Legacy Reserves
Operating LP and a wholly-owned Subsidiary of the Borrower.

     "Legacy Reserves Operating LP" means Legacy Reserves Operating LP, a
Delaware limited partnership and a wholly-owned Subsidiary of the Borrower.

     "Legacy Reserves Services, Inc." means Legacy Reserves Services, Inc., a
Texas corporation and a wholly-owned Subsidiary of the Borrower.

     "Lenders" means the Persons listed on Annex I, and any Person that shall
have become a party hereto pursuant to an Assignment and Assumption, other than
any such Person that ceases to be a party hereto pursuant to an Assignment and
Assumption.

     "Letter of Credit" means any letter of credit issued pursuant to this
Agreement.

     "Letter of Credit Agreements" means all letter of credit applications and
other agreements (including any amendments, modifications or supplements
thereto) submitted by the Borrower, or entered into by the Borrower, with any
Issuing Bank relating to any Letter of Credit issued by such Issuing Bank.

     "LIBO Rate" means, with respect to any Eurodollar Borrowing for any
Interest Period, the rate appearing on Page 3750 of the Dow Jones Market Service
(or on any successor or substitute

                                       12

<PAGE>

page of such Service, or any successor to or substitute for such Service,
providing rate quotations comparable to those currently provided on such page of
such Service, as determined by the Administrative Agent from time to time for
purposes of providing quotations of interest rates applicable to dollar deposits
in the London interbank market) at approximately 11:00 a.m., London time, two
Business Days prior to the commencement of such Interest Period, as the rate for
dollar deposits with a maturity comparable to such Interest Period. In the event
that such rate is not available at such time for any reason, then the "LIBO
Rate" with respect to such Eurodollar Borrowing for such Interest Period shall
be the rate (rounded upwards, if necessary, to the next 1/16th of 1%) at which
dollar deposits of $1,000,000 and for a maturity comparable to such Interest
Period are offered by the principal London office of the Administrative Agent in
immediately available funds in the London interbank market at approximately
11:00 a.m., London time, two Business Days prior to the commencement of such
Interest Period.

     "Lien" means any interest in Property securing an obligation owed to, or a
claim by, a Person other than the owner of the Property, whether such interest
is based on the common law, statute or contract, and whether such obligation or
claim is fixed or contingent, and including but not limited to (a) the lien or
security interest arising from a mortgage, encumbrance, pledge, security
agreement, conditional sale or trust receipt or a lease, consignment or bailment
for security purposes or (b) production payments and the like payable out of Oil
and Gas Properties. The term "Lien" shall include easements, restrictions,
servitudes, permits, conditions, covenants, exceptions or reservations. For the
purposes of this Agreement, the Borrower and its Subsidiaries shall be deemed to
be the owner of any Property which they have acquired or hold subject to a
conditional sale agreement, or leases under a financing lease or other
arrangement pursuant to which title to the Property has been retained by or
vested in some other Person in a transaction intended to create a financing.

     "Loan Documents" means this Agreement, the Notes, the Letter of Credit
Agreements, the Letters of Credit and the Security Instruments.

     "Loans" means the loans made by the Lenders to the Borrower pursuant to
this Agreement.

     "Majority Lenders" means, at any time while no Loans or LC Exposure is
outstanding, Lenders having at least sixty-six and two-thirds percent (66.67%)
of the Aggregate Maximum Credit Amounts; and at any time while any Loans or LC
Exposure is outstanding, Lenders holding at least sixty-six and two-thirds
percent (66.67%) of the outstanding aggregate principal amount of the Loans or
participation interests in Letters of Credit (without regard to any sale by a
Lender of a participation in any Loan under Section 12.04(c)).

     "Material Adverse Effect" means a material adverse change in, or material
adverse effect on (a) the business, operations, Property, liabilities (actual or
contingent) or condition (financial or otherwise) of the Borrower and its
Guarantors taken as a whole, (b) the ability of the Borrower, any of its
Subsidiaries or any Guarantor to perform any of its obligations under any Loan
Document to which it is a party, (c) the validity or enforceability of any Loan
Document or (d) the rights and remedies of or benefits available to the
Administrative Agent, any Issuing Bank or any Lender under any Loan Document.

     "Material Domestic Subsidiary" means, as of any date, any Domestic
Subsidiary that (a) is a Wholly-Owned Subsidiary and (b) together with its
Subsidiaries, owns Property having a fair market value of $1,000,000 or more.

                                       13

<PAGE>

     "Material Indebtedness" means Debt (other than the Loans and Letters of
Credit), or obligations in respect of one or more Swap Agreements, of any one or
more of the Borrower and its Subsidiaries in an aggregate principal amount
exceeding $1,000,000. For purposes of determining Material Indebtedness, the
"principal amount" of the obligations of the Borrower or any of its Subsidiaries
in respect of any Swap Agreement at any time shall be the maximum aggregate
amount (giving effect to any netting agreements) that the Borrower or such
Subsidiary would be required to pay if such Swap Agreement were terminated at
such time.

     "Maturity Date" means March 15, 2010.

     "Maximum Credit Amount" means, as to each Lender, the amount set forth
opposite such Lender's name on Annex I under the caption "Maximum Credit
Amounts", as the same may be (a) reduced or terminated from time to time in
connection with a reduction or termination of the Aggregate Maximum Credit
Amounts pursuant to Section 2.06(b) or (b) modified from time to time pursuant
to any assignment permitted by Section 12.04(b).

     "MBN" means MBN Properties LP, a Delaware limited partnership.

     "MBN Credit Agreement" means the Credit Agreement dated September 14, 2005
among MBN Properties LP, BNP Paribas, as administrative agent, and the lenders
party thereto.

     "Moody's" means Moody's Investors Service, Inc. and any successor thereto
that is a nationally recognized rating agency.

     "Moriah" means Moriah Properties, Ltd., a Texas limited partnership.

     "Moriah Credit Agreement" means the Credit Agreement dated September 13,
2005 among Moriah, BNP Paribas, as administrative agent, and the lenders party
thereto.

     "Moriah Group" means the accounts of Moriah Resources, Inc., the general
partner of Moriah Properties, Ltd., Moriah Properties, Ltd., the oil and natural
gas interests individually owned by Dale A. and Rita Brown until October 1, 2005
when those interests were transferred to DAB Resources, Ltd., and the accounts
of MBN.

     "Mortgaged Property" means any Property owned by the Borrower or any
Guarantor, which is subject to the Liens existing and to exist under the terms
of the Security Instruments.

     "Multiemployer Plan" means a Plan that is a multiemployer plan as defined
in section 3(37) or 4001 (a)(3) of ERISA.

     "New Borrowing Base Notice" has the meaning assigned such term in Section
2.07(d).

     "Newstone Group" means the collective entities: Blackstone Investments I
Ltd., Blackstone Investments II, Ltd., Trinity Equity Partners I, LP, SHP
Capital LP, Newstone Capital, LP.

     "Notes" means the promissory notes of the Borrower described in Section
2.02(d) and being substantially in the form of Exhibit A, together with all
amendments, modifications, replacements, extensions and rearrangements thereof.

                                       14

<PAGE>

     "Offering" means the first to occur of (i) a placement of units of the
Borrower with accredited investors or qualified institutional buyers in a 144A
offering and (ii) the initial public offering of common limited partner
interests of the Borrower.

     "Oil and Gas Properties" means (a) Hydrocarbon Interests; (b) the
Properties now or hereafter pooled or unitized with Hydrocarbon Interests; (c)
all presently existing or future unitization, pooling agreements and
declarations of pooled units and the units created thereby (including without
limitation all units created under orders, regulations and rules of any
Governmental Authority) which may affect all or any portion of the Hydrocarbon
Interests; (d) all operating agreements, contracts and other agreements,
including production sharing contracts and agreements, which relate to any of
the Hydrocarbon Interests or the production, sale, purchase, exchange or
processing of Hydrocarbons from or attributable to such Hydrocarbon Interests;
(e) all Hydrocarbons in and under and which may be produced and saved or
attributable to the Hydrocarbon Interests, including all oil in tanks, and all
rents, issues, profits, proceeds, products, revenues and other incomes from or
attributable to the Hydrocarbon Interests; (f) all tenements, hereditaments,
appurtenances and Properties in any manner appertaining, belonging, affixed or
incidental to the Hydrocarbon Interests and (g) all Properties, rights, titles,
interests and estates described or referred to above, including any and all
Property, real or personal, now owned or hereinafter acquired and situated upon,
used, held for use or useful in connection with the operating, working or
development of any of such Hydrocarbon Interests or Property (excluding drilling
rigs, automotive equipment, rental equipment or other personal Property which
may be on such premises for the purpose of drilling a well or for other similar
temporary uses) and including any and all oil wells, gas wells, injection wells
or other wells, buildings, structures, fuel separators, liquid extraction
plants, plant compressors, pumps, pumping units, field gathering systems, tanks
and tank batteries, fixtures, valves, fittings, machinery and parts, engines,
boilers, meters, apparatus, equipment, appliances, tools, implements, cables,
wires, towers, casing, tubing and rods, surface leases, rights-of-way, easements
and servitudes together with all additions, substitutions, replacements,
accessions and attachments to any and all of the foregoing.

     "Other Taxes" means any and all present or future stamp or documentary
taxes or any other excise or Property taxes, charges or similar levies arising
from any payment made hereunder or from the execution, delivery or enforcement
of, or otherwise with respect to, this Agreement and any other Loan Document.

     "Participant" has the meaning set forth in Section 12.04(c)(i).

     "Partnership Agreement" means the Partnership Agreement of the Borrower.

     "PBGC" means the Pension Benefit Guaranty Corporation, or any successor
thereto.

     "Permitted Holders" means (i) the natural persons that are the direct or
indirect beneficial owners as of the Effective Date of the Contributing Parties,
(ii) any family members (including spouses) of any Persons described in clause
(i), and (iii) any Affiliates of the Persons described in clauses (i) or (ii),
including the Contributing Parties, as of the Effective Date, but only for such
time as they remain so affiliated.

     "Person" means any natural person, corporation, limited liability company,
trust, joint venture, association, company, partnership, Governmental Authority
or other entity.

                                       15

<PAGE>

     "Plan" means any employee pension benefit plan, as defined in section 3(2)
of ERISA, which (a) is currently or hereafter sponsored, maintained or
contributed to by the Borrower, any of its Subsidiaries or an ERISA Affiliate or
(b) was at any time during the six calendar years preceding the date hereof,
sponsored, maintained or contributed to by the Borrower, any of its Subsidiaries
or an ERISA Affiliate.

     "Pledge Agreement" means the Pledge Agreement executed by Borrower pledging
its limited partner interests in Legacy Reserves Operating LP and its membership
interests in Legacy Reserves Operating GP LLC, and by Legacy Reserves Operating
GP LLC pledging its general partner interest in Legacy Reserves Operating LP, in
substantially the form attached as Exhibit C-3.

     "Prime Rate" means the rate of interest per annum publicly announced from
time to time by BNP Paribas as its prime rate in effect at its principal office
in New York City; each change in the Prime Rate shall be effective from and
including the date such change is publicly announced as being effective. Such
rate is set by BNP Paribas as a general reference rate of interest, taking into
account such factors as BNP Paribas may deem appropriate; it being understood
that many of BNP Paribas's commercial or other loans are priced in relation to
such rate, that it is not necessarily the lowest or best rate actually charged
to any customer and that BNP Paribas may make various commercial or other loans
at rates of interest having no relationship to such rate.

     "Property" means any interest in any kind of property or asset, whether
real, personal or mixed, or tangible or intangible, including, without
limitation, cash, securities, accounts and contract rights.

     "Proposed Borrowing Base" has the meaning assigned to such term in Section
2.07(c)(i).

     "Proposed Borrowing Base Notice" has the meaning assigned to such term in
Section 2.07(c)(ii).

     "Proved Developed Producing Properties" means Oil and Gas Properties which
are categorized as "Proved Reserves" that are both "Developed" and "Producing",
as such terms are defined in the Definitions for Oil and Gas Reserves as
promulgated by the Society of Petroleum Engineers (or any generally recognized
successor) as in effect at the time in question.

     "Redemption" means with respect to any Debt, the repurchase, redemption,
prepayment, repayment or defeasance or any other acquisition or retirement for
value (or the segregation of funds with respect to any of the foregoing) of any
such Debt. "Redeem" has the correlative meaning thereto.

     "Redetermination Date" means, with respect to any Scheduled Redetermination
or any Interim Redetermination, the date that the redetermined Borrowing Base
related thereto becomes effective pursuant to Section 2.07(d).

     "Register" has the meaning assigned such term in Section 12.04(b)(iv).

     "Related Parties" means, with respect to any specified Person, such
Person's Affiliates and the respective directors, officers, employees, agents
and advisors (including attorneys, accountants and experts) of such Person and
such Person's Affiliates.

                                       16

<PAGE>

     "Remedial Work" has the meaning assigned such term in Section 8.10(a).

     "Reserve Report" means a report, in form and substance reasonably
satisfactory to the Administrative Agent, setting forth, as of each January 1st
or July 1st (or such other date in the event of an Interim Redetermination) the
oil and gas reserves attributable to the Oil and Gas Properties of the Borrower
and its Subsidiaries, together with a projection of the rate of production and
future net income, taxes, operating expenses and capital expenditures with
respect thereto as of such date, based upon the economic assumptions consistent
with the Administrative Agent's lending requirements at the time.

     "Responsible Officer" means, as to any Person, the Chief Executive Officer,
the President, any Financial Officer or any Vice President of such Person.
Unless otherwise specified, all references to a Responsible Officer herein shall
mean a Responsible Officer of the Borrower.

     "Restricted Payment" means any dividend or other distribution (whether in
cash, securities or other Property) with respect to any Equity Interests in the
Borrower, or any payment (whether in cash, securities or other Property),
including any sinking fund or similar deposit, on account of the purchase,
Redemption, retirement, acquisition, cancellation or termination of any such
Equity Interests in the Borrower or any option, warrant or other right to
acquire any such Equity Interests in the Borrower.

     "Revolving Credit Exposure" means, with respect to any Lender at any time,
the sum of the outstanding principal amount of such Lender's Loans and its LC
Exposure at such time.

     "Scheduled Redetermination" has the meaning assigned such term in Section
2.07(b).

     "Scheduled Redetermination Date" means the date on which a Borrowing Base
that has been redetermined pursuant to a Scheduled Redetermination becomes
effective as provided in Section 2.07(d).

     "Security Instruments" means the Guaranty Agreement, the Pledge Agreement,
mortgages, deeds of trust and other agreements, instruments or certificates
described or referred to in Exhibit C-1, and any and all other agreements,
instruments, consents or certificates now or hereafter executed and delivered by
the Borrower or any other Person (other than Swap Agreements with the Lenders or
any Affiliate of a Lender or participation or similar agreements between any
Lender and any other lender or creditor with respect to any Indebtedness
pursuant to this Agreement) in connection with, or as security for the payment
or performance of the Indebtedness, the Notes, this Agreement, or reimbursement
obligations under the Letters of Credit, as such agreements may be amended,
modified, supplemented or restated from time to time.

     "S&P" means Standard & Poor's Ratings Group, a division of The McGraw-Hill
Companies, Inc., and any successor thereto that is a nationally recognized
rating agency.

     "Subordinated Debt" means subordinated Debt pursuant to that certain
Amended and Restated Loan Agreement dated as of September 14, 2005 between MBN
Properties LP, as Borrower, and Brothers, Moriah and the Newstone Group, as
Lenders, as evidenced by the Subordinated Notes thereunder, in an original
aggregate principal amount not to exceed $34,000,000 plus interest and other
amounts due thereunder.

                                       17

<PAGE>

     "Subsidiary" means: (a) any Person of which at least a majority of the
outstanding Equity Interests having by the terms thereof ordinary voting power
to elect a majority of the board of directors, manager or other governing body
of such Person (irrespective of whether or not at the time Equity Interests of
any other class or classes of such Person shall have or might have voting power
by reason of the happening of any contingency) is at the time directly or
indirectly owned or controlled by the Borrower or one or more of its
Subsidiaries or by the Borrower and one or more of its Subsidiaries and (b) any
partnership of which the Borrower or any of its Subsidiaries is a general
partner. Unless otherwise indicated herein, each reference to the term
"Subsidiary" shall mean a Subsidiary of the Borrower.

     "Swap Agreement" means any agreement with respect to any swap, forward,
future or derivative transaction or option or similar agreement, whether
exchange traded, "over-the-counter" or otherwise, involving, or settled by
reference to, one or more rates, currencies, commodities, equity or debt
instruments or securities, or economic, financial or pricing indices or measures
of economic, financial or pricing risk or value or any similar transaction or
any combination of these transactions; provided that no phantom stock or similar
plan providing for payments only on account of services provided by current or
former directors, officers, employees or consultants of the Borrower or any of
its Subsidiaries shall be a Swap Agreement.

     "Synthetic Leases" means, in respect of any Person, all leases which shall
have been, or should have been, in accordance with GAAP, treated as operating
leases on the financial statements of the Person liable (whether contingently or
otherwise) for the payment of rent thereunder and which were properly treated as
indebtedness for borrowed money for purposes of U.S. federal income taxes, if
the lessee in respect thereof is obligated to either purchase for an amount in
excess of, or pay upon early termination an amount in excess of, 80% of the
residual value of the Property subject to such operating lease upon expiration
or early termination of such lease.

     "Taxes" means any and all present or future taxes, levies, imposts, duties,
deductions, charges or withholdings imposed by any Governmental Authority.

     "Termination Date" means the earlier of the Maturity Date and the date of
termination of the Commitments.

     "Transactions" means, with respect to (a) the Borrower, the execution,
delivery and performance by the Borrower of this Agreement, and each other Loan
Document to which it is a party, borrowing of Loans, the use of the proceeds
thereof and the issuance of Letters of Credit hereunder, and the grant of Liens
by the Borrower on Mortgaged Properties and other Properties pursuant to the
Security Instruments and (b) any Guarantor, the execution, delivery and
performance by such Guarantor of each Loan Document to which it is a party, the
guaranteeing of the Indebtedness and the other obligations under the Guaranty
Agreement by such Guarantor and such Guarantor's grant of the security interests
and provision of collateral under the Security Instruments, and the grant of
Liens by such Guarantor on Mortgaged Properties and other Properties pursuant to
the Security Instruments.

     "Type", when used in reference to any Loan or Borrowing, refers to whether
the rate of interest on such Loan, or on the Loans comprising such Borrowing, is
determined by reference to the Alternate Base Rate or the LIBO Rate.

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<PAGE>

     "Wholly-Owned Subsidiary" means any Subsidiary of which all of the
outstanding Equity Interests (other than any directors' qualifying shares
mandated by applicable law), on a fully-diluted basis, are owned by the Borrower
or one or more of the Wholly-Owned Subsidiaries or are owned by the Borrower and
one or more of the Wholly-Owned Subsidiaries.

     Section 1.03 Types of Loans and Borrowings. For purposes of this Agreement,
Loans and Borrowings, respectively, may be classified and referred to by Type
(e.g., a "Eurodollar Loan" or a "Eurodollar Borrowing").

     Section 1.04 Terms Generally. The definitions of terms herein shall apply
equally to the singular and plural forms of the terms defined. Whenever the
context may require, any pronoun shall include the corresponding masculine,
feminine and neuter forms. The words "include", "includes" and "including" shall
be deemed to be followed by the phrase "without limitation". The word "will"
shall be construed to have the same meaning and effect as the word "shall".
Unless the context requires otherwise (a) any definition of or reference to any
agreement, instrument or other document herein shall be construed as referring
to such agreement, instrument or other document as from time to time amended,
supplemented or otherwise modified (subject to any restrictions on such
amendments, supplements or modifications set forth in the Loan Documents
herein), (b) any reference herein to any law shall be construed as referring to
such law as amended, modified, codified or reenacted, in whole or in part, and
in effect from time to time, (c) any reference herein to any Person shall be
construed to include such Person's successors and assigns (subject to the
restrictions contained in the Loan Documents herein), (d) the words "herein",
"hereof" and "hereunder", and words of similar import, shall be construed to
refer to this Agreement in its entirety and not to any particular provision
hereof, (e) with respect to the determination of any time period, the word
"from" means "from and including" and the word "to" means "to and including" and
(f) any reference herein to Articles, Sections, Annexes, Exhibits and Schedules
shall be construed to refer to Articles and Sections of, and Annexes, Exhibits
and Schedules to, this Agreement. No provision of this Agreement or any other
Loan Document shall be interpreted or construed against any Person solely
because such Person or its legal representative drafted such provision.

     Section 1.05 Accounting Terms and Determinations; GAAP. Unless otherwise
specified herein, all accounting terms used herein shall be interpreted, all
determinations with respect to accounting matters hereunder shall be made, and
all financial statements and certificates and reports as to financial matters
required to be furnished to the Administrative Agent or the Lenders hereunder
shall be prepared, in accordance with GAAP, applied on a basis consistent with
the Financial Statements except for changes in which the Borrower's independent
certified public accountants concur and which are disclosed to Administrative
Agent on the next date on which financial statements are required to be
delivered to the Lenders pursuant to Section 8.01(a); provided that, unless the
Borrower and the Majority Lenders shall otherwise agree in writing, no such
change shall modify or affect the manner in which compliance with the covenants
contained herein is computed such that all such computations shall be conducted
utilizing financial information presented consistently with prior periods.

                                   ARTICLE II
                                   THE CREDITS

     Section 2.01 Commitments. Subject to the terms and conditions set forth
herein, each Lender agrees to make Loans to the Borrower during the Availability
Period in an aggregate principal amount that will not result in (a) such
Lender's Revolving Credit Exposure exceeding such

                                       19

<PAGE>

Lender's Commitment or (b) the total Revolving Credit Exposures exceeding the
total Commitments. Within the foregoing limits and subject to the terms and
conditions set forth herein, the Borrower may borrow, repay and reborrow the
Loans.

     Section 2.02 Loans and Borrowings.

          (a) Borrowings; Several Obligations. Each Loan shall be made as part
of a Borrowing consisting of Loans made by the Lenders ratably in accordance
with their respective Commitments. The failure of any Lender to make any Loan
required to be made by it shall not relieve any other Lender of its obligations
hereunder; provided that the Commitments are several and no Lender shall be
responsible for any other Lender's failure to make Loans as required.

          (b) Types of Loans. Subject to Section 3.03, each Borrowing shall be
comprised entirely of ABR Loans or Eurodollar Loans as the Borrower may request
in accordance herewith. Each Lender at its option may make any Eurodollar Loan
by causing any domestic or foreign branch or Affiliate of such Lender to make
such Loan; provided that any exercise of such option shall not affect the
obligation of the Borrower to repay such Loan in accordance with the terms of
this Agreement.

          (c) Minimum Amounts; Limitation on Number of Borrowings. At the
commencement of each Interest Period for any Eurodollar Borrowing, such
Borrowing shall be in an aggregate amount that is an integral multiple of
$500,000 and not less than $1,000,000. At the time that each ABR Borrowing is
made, such Borrowing shall be in an aggregate amount that is an integral
multiple of $250,000 and not less than $1,000,000; provided that an ABR
Borrowing may be in an aggregate amount that is equal to the entire unused
balance of the total Commitments or that is required to finance the
reimbursement of an LC Disbursement as contemplated by Section 2.08(e).
Borrowings of more than one Type may be outstanding at the same time; provided
that there shall not at any time be more than a total of eight (8) Eurodollar
Borrowings outstanding. Notwithstanding any other provision of this Agreement,
the Borrower shall not be entitled to request, or to elect to convert or
continue, any Borrowing if the Interest Period requested with respect thereto
would end after the Maturity Date.

          (d) Notes. The Loans made by each Lender shall be evidenced by a
single promissory note of the Borrower in substantially the form of Exhibit A,
dated, in the case of (i) any Lender party hereto as of the date of this
Agreement, as of the date of this Agreement or (ii) any Lender that becomes a
party hereto pursuant to an Assignment and Assumption, as of the effective date
of the Assignment and Assumption, payable to the order of such Lender in a
principal amount equal to its Maximum Credit Amount as in effect on such date,
and otherwise duly completed. In the event that any Lender's Maximum Credit
Amount increases or decreases for any reason (whether pursuant to Section 2.06,
Section 12.04(b) or otherwise), the Borrower shall deliver or cause to be
delivered on the effective date of such increase or decrease, a new Note payable
to the order of such Lender in a principal amount equal to its Maximum Credit
Amount after giving effect to such increase or decrease, and otherwise duly
completed. The date, amount, Type, interest rate and, if applicable, Interest
Period of each Loan made by each Lender, and all payments made on account of the
principal thereof, shall be recorded by such Lender on its books for its Note,
and, prior to any transfer, may be endorsed by such Lender on a schedule
attached to such Note or any continuation thereof or on any separate record
maintained by such Lender. Failure to make any such notation or to attach a
schedule shall not affect any Lender's or the Borrower's rights or obligations
in respect of such Loans or affect the validity of such transfer by any Lender
of its Note.

                                       20
<PAGE>

     Section 2.03 Requests for Borrowings. To request a Borrowing, the Borrower
shall notify the Administrative Agent of such request by telephone (a) in the
case of a Eurodollar Borrowing, not later than 11:00 a.m., Houston time, three
Business Days before the date of the proposed Borrowing or (b) in the case of an
ABR Borrowing, not later than 12:00 noon, Houston time, on the date of the
proposed Borrowing; provided that no such notice shall be required for any
deemed request of an ABR Borrowing to finance the reimbursement of an LC
Disbursement as provided in Section 2.08(e). Each such telephonic Borrowing
Request shall be irrevocable and shall be confirmed promptly by hand delivery or
telecopy to the Administrative Agent of a written Borrowing Request in a form
approved by the Administrative Agent and signed by the Borrower. Each such
telephonic and written Borrowing Request shall specify the following information
in compliance with Section 2.02:

               (i) the aggregate amount of the requested Borrowing;

               (ii) the date of such Borrowing, which shall be a Business Day;

               (iii) whether such Borrowing is to be an ABR Borrowing or a
     Eurodollar Borrowing;

               (iv) in the case of a Eurodollar Borrowing, the initial Interest
     Period to be applicable thereto, which shall be a period contemplated by
     the definition of the term "Interest Period";

               (v) the amount of the then effective Borrowing Base, the current
     total Revolving Credit Exposures (without regard to the requested
     Borrowing) and the pro forma total Revolving Credit Exposures (giving
     effect to the requested Borrowing); and

               (vi) the location and number of the Borrower's account to which
     funds are to be disbursed, which shall comply with the requirements of
     Section 2.05.

If no election as to the Type of Borrowing is specified, then the requested
Borrowing shall be a Eurodollar Loan having an Interest Period of one-month. If
no Interest Period is specified with respect to any requested Eurodollar
Borrowing, then the Borrower shall be deemed to have selected an Interest Period
of one month's duration. Each Borrowing Request shall constitute a
representation that the amount of the requested Borrowing shall not cause the
total Revolving Credit Exposures to exceed the total Commitments (i.e., the
lesser of the Aggregate Maximum Credit Amounts and the then effective Borrowing
Base).

Promptly following receipt of a Borrowing Request in accordance with this
Section 2.03, the Administrative Agent shall advise each Lender of the details
thereof and of the amount of such Lender's Loan to be made as part of the
requested Borrowing.

     Section 2.04 Interest Elections.

          (a) Conversion and Continuance. Each Borrowing initially shall be of
the Type specified in the applicable Borrowing Request and, in the case of a
Eurodollar Borrowing, shall have an initial Interest Period as specified in such
Borrowing Request. Thereafter, the Borrower may elect to convert such Borrowing
to a different Type or to continue such Borrowing and, in the case of a
Eurodollar Borrowing, may elect Interest Periods therefor, all as provided in
this Section 2.04. The

                                       21

<PAGE>

Borrower may elect different options with respect to different portions of the
affected Borrowing, in which case each such portion shall be allocated ratably
among the Lenders holding the Loans comprising such Borrowing, and the Loans
comprising each such portion shall be considered a separate Borrowing.

          (b) Interest Election Requests. To make an election pursuant to this
Section 2.04, the Borrower shall notify the Administrative Agent of such
election by telephone by the time that a Borrowing Request would be required
under Section 2.03 if the Borrower were requesting a Borrowing of the Type
resulting from such election to be made on the effective date of such election.
Each such telephonic Interest Election Request shall be irrevocable and shall be
confirmed promptly by hand delivery or telecopy to the Administrative Agent of a
written Interest Election Request in a form approved by the Administrative Agent
and signed by the Borrower.

          (c) Information in Interest Election Requests. Each telephonic and
written Interest Election Request shall specify the following information in
compliance with Section 2.02:

               (i) the Borrowing to which such Interest Election Request applies
     and, if different options are being elected with respect to different
     portions thereof, the portions thereof to be allocated to each resulting
     Borrowing (in which case the information to be specified pursuant to
     Section 2.04(c)(iii) and (iv) shall be specified for each resulting
     Borrowing);

               (ii) the effective date of the election made pursuant to such
     Interest Election Request, which shall be a Business Day;

               (iii) whether the resulting Borrowing is to be an ABR Borrowing
     or a Eurodollar Borrowing; and

               (iv) if the resulting Borrowing is a Eurodollar Borrowing, the
     Interest Period to be applicable thereto after giving effect to such
     election, which shall be a period contemplated by the definition of the
     term "Interest Period".

If any such Interest Election Request requests a Eurodollar Borrowing but does
not specify an Interest Period, then the Borrower shall be deemed to have
selected an Interest Period of one month's duration.

          (d) Notice to Lenders by the Administrative Agent. Promptly following
receipt of an Interest Election Request, the Administrative Agent shall advise
each Lender of the details thereof and of such Lender's portion of each
resulting Borrowing.

          (e) Effect of Failure to Deliver Timely Interest Election Request and
Events of Default and Borrowing Base Deficiencies on Interest Election. If the
Borrower fails to deliver a timely Interest Election Request with respect to a
Eurodollar Borrowing prior to the end of the Interest Period applicable thereto,
then, unless such Borrowing is repaid as provided herein, at the end of such
Interest Period such Borrowing shall be continued as a Eurodollar Loan having an
Interest Period of one-month. Notwithstanding any contrary provision hereof, if
an Event of Default or a Borrowing Base Deficiency has occurred and is
continuing: (i) no outstanding Borrowing may be converted to or continued as a
Eurodollar Borrowing (and any Interest Election Request that requests the
conversion of any Borrowing to, or continuation of any Borrowing as, a
Eurodollar

                                       22

<PAGE>

Borrowing shall be ineffective) and (ii) unless repaid, each Eurodollar
Borrowing shall be converted to an ABR Borrowing at the end of the Interest
Period applicable thereto.

     Section 2.05 Funding of Borrowings.

          (a) Funding by Lenders. Each Lender shall make each Loan to be made by
it hereunder on the proposed date thereof by wire transfer of immediately
available funds by 1:00 p.m., Houston time, to the account of the Administrative
Agent most recently designated by it for such purpose by notice to the Lenders.
The Administrative Agent will make such Loans available to the Borrower by
promptly crediting the amounts so received, in like funds, to an account of the
Borrower and designated by the Borrower in the applicable Borrowing Request;
provided that ABR Loans made to finance the reimbursement of an LC Disbursement
as provided in Section 2.08(e) shall be remitted by the Administrative Agent to
the Issuing Bank that made such LC Disbursement. Nothing herein shall be deemed
to obligate any Lender to obtain the funds for its Loan in any particular place
or manner or to constitute a representation by any Lender that it has obtained
or will obtain the funds for its Loan in any particular place or manner.

          (b) Presumption of Funding by the Lenders. Unless the Administrative
Agent shall have received notice from a Lender prior to the proposed date of any
Borrowing that such Lender will not make available to the Administrative Agent
such Lender's share of such Borrowing, the Administrative Agent may assume that
such Lender has made such share available on such date in accordance with
Section 2.05(a) and may, in reliance upon such assumption, make available to the
Borrower a corresponding amount. In such event, if a Lender has not in fact made
its share of the applicable Borrowing available to the Administrative Agent,
then the applicable Lender and the Borrower severally agree to pay to the
Administrative Agent forthwith on demand such corresponding amount with interest
thereon, for each day from and including the date such amount is made available
to the Borrower to but excluding the date of payment to the Administrative
Agent, at (i) in the case of such Lender, the greater of the Federal Funds
Effective Rate and a rate determined by the Administrative Agent in accordance
with banking industry rules on interbank compensation or (ii) in the case of the
Borrower, the interest rate applicable to ABR Loans. If such Lender pays such
amount to the Administrative Agent, then such amount shall constitute such
Lender's Loan included in such Borrowing.

     Section 2.06 Termination and Reduction of Aggregate Maximum Credit Amounts.

          (a) Scheduled Termination of Commitments. Unless previously
terminated, the Commitments shall terminate on the Maturity Date. If at any time
the Aggregate Maximum Credit Amounts or the Borrowing Base is terminated or
reduced to zero, then the Commitments shall terminate on the effective date of
such termination or reduction.

          (b) Optional Termination and Reduction of Aggregate Credit Amounts.

               (i) The Borrower may at any time terminate, or from time to time
     reduce, the Aggregate Maximum Credit Amounts; provided that (A) each
     reduction of the Aggregate Maximum Credit Amounts shall be in an amount
     that is an integral multiple of $500,000 and not less than $1,000,000 and
     (B) the Borrower shall not terminate or reduce the Aggregate Maximum Credit
     Amounts if, after giving effect to any concurrent prepayment of the Loans
     in accordance with Section 3.04(c), the total Revolving Credit Exposures
     would exceed the total Commitments.

                                       23

<PAGE>

               (ii) The Borrower shall notify the Administrative Agent of any
     election to terminate or reduce the Aggregate Maximum Credit Amounts under
     Section 2.06(b)(i) at least three Business Days prior to the effective date
     of such termination or reduction, specifying such election and the
     effective date thereof. Promptly following receipt of any notice, the
     Administrative Agent shall advise the Lenders of the contents thereof. Each
     notice delivered by the Borrower pursuant to this Section 2.06(b)(ii) shall
     be irrevocable. Any termination or reduction of the Aggregate Maximum
     Credit Amounts shall be permanent and may not be reinstated. Each reduction
     of the Aggregate Maximum Credit Amounts shall be made ratably among the
     Lenders in accordance with each Lender's Applicable Percentage.

     Section 2.07 Borrowing Base.

          (a) Initial Borrowing Base. For the period from and including the
Effective Date to but excluding April 1st, 2006, the amount of the Borrowing
Base shall be equal to $130,000,000. Notwithstanding the foregoing, the
Borrowing Base may be subject to further adjustments from time to time pursuant
to Section 8.13(c) or Section 9.12(d).

          (b) Scheduled and Interim Redeterminations. Subject to Section
2.07(d), the Borrowing Base shall be redetermined (a "Scheduled
Redetermination") on April 1st and October 1st of each year, commencing April
1st, 2006. In addition, either the Borrower or the Administrative Agent, at the
direction of the Majority Lenders, may once during each calendar year, each
elect to cause the Borrowing Base to be redetermined between Scheduled
Redeterminations (an "Interim Redetermination") in accordance with this Section
2.07. The Borrower shall have the right, once during each calendar year, to
initiate an Interim Redetermination in addition to the one otherwise provided in
this Section 2.07(b) upon the proposed acquisition of Proved Developed Producing
Properties whose purchase price is greater than 10% of the Borrowing Base,
provided such Interim Redetermination is in accordance with this Section 2.07.

          (c) Scheduled and Interim Redetermination Procedure.

               (i) Each Scheduled Redetermination and each Interim
     Redetermination shall be effectuated as follows: Upon receipt by the
     Administrative Agent of (A) the Reserve Report and the certificate required
     to be delivered by the Borrower to the Administrative Agent, in the case of
     a Scheduled Redetermination, pursuant to Section 8.12(a) and (c), and, in
     the case of an Interim Redetermination, pursuant to Section 8.12(b) and
     (c), and (B) such other reports, data and supplemental information,
     including, without limitation, the information provided pursuant to Section
     8.12(c), as may, from time to time, be reasonably requested by the Majority
     Lenders (the Reserve Report, such certificate and such other reports, data
     and supplemental information being the "Engineering Reports"), the
     Administrative Agent shall evaluate the information contained in the
     Engineering Reports and shall, in good faith, propose a new Borrowing Base
     (the "Proposed Borrowing Base") based upon such information and such other
     information (including, without limitation, the status of title information
     with respect to the Oil and Gas Properties as described in the Engineering
     Reports and the existence of any other Debt) as the Administrative Agent
     deems appropriate in its sole discretion and consistent with its normal oil
     and gas lending criteria as it exists at the particular time. In no event
     shall the Proposed Borrowing Base exceed the Aggregate Maximum Credit
     Amounts.

                                       24

<PAGE>

               (ii) The Administrative Agent shall notify the Borrower and the
     Lenders of the Proposed Borrowing Base (the "Proposed Borrowing Base
     Notice"):

                    (A) in the case of a Scheduled Redetermination (1) if the
          Administrative Agent shall have received the Engineering Reports
          required to be delivered by the Borrower pursuant to Section 8.12(a)
          and (c) in a timely and complete manner, then on or before the March
          15th and September 15th of such year following the date of delivery of
          such Engineering Report or (2) if the Administrative Agent shall not
          have received the Engineering Reports required to be delivered by the
          Borrower pursuant to Section 8.12(a) and (c) in a timely and complete
          manner, then promptly after the Administrative Agent has received
          complete Engineering Reports from the Borrower and has had a
          reasonable opportunity to determine the Proposed Borrowing Base in
          accordance with Section 2.07(c)(i) and in any event, within fifteen
          (15) days after the Administrative Agent has received the required
          Engineering Report; and

                    (B) in the case of an Interim Redetermination, promptly, and
          in any event, within fifteen (15) days after the Administrative Agent
          has received the required Engineering Reports.

               (iii) Any Proposed Borrowing Base that would increase the
     Borrowing Base then in effect must be approved or deemed to have been
     approved by all of the Lenders as provided in this Section 2.07(c)(iii);
     and any Proposed Borrowing Base that would decrease or maintain the
     Borrowing Base then in effect must be approved or be deemed to have been
     approved by the Majority Lenders as provided in this Section 2.07(c)(iii).
     Upon receipt of the Proposed Borrowing Base Notice, each Lender shall have
     fifteen (15) days to agree with the Proposed Borrowing Base or disagree
     with the Proposed Borrowing Base by proposing an alternate Borrowing Base.
     If at the end of such fifteen (15) days, any Lender has not communicated
     its approval or disapproval in writing to the Administrative Agent, such
     silence shall be deemed to be an approval of the Proposed Borrowing Base.
     If, at the end of such 15-day period, all of the Lenders, in the case of a
     Proposed Borrowing Base that would increase the Borrowing Base then in
     effect, or the Majority Lenders, in the case of a Proposed Borrowing Base
     that would decrease or maintain the Borrowing Base then in effect, have
     approved or deemed to have approved, as aforesaid, then the Proposed
     Borrowing Base shall become the new Borrowing Base, effective on the date
     specified in Section 2.07(d). If, however, at the end of such 15-day
     period, all of the Lenders or the Majority Lenders, as applicable, have not
     approved or deemed to have approved, as aforesaid, then the Administrative
     Agent shall poll the Lenders to ascertain the highest Borrowing Base then
     acceptable to a number of Lenders sufficient to constitute the Majority
     Lenders and, so long as such amount does not increase the Borrowing Base
     then in effect, such amount shall become the new Borrowing Base, effective
     on the date specified in Section 2.07(d).

          (d) Effectiveness of a Redetermined Borrowing Base. After a
redetermined Borrowing Base is approved or is deemed to have been approved by
all of the Lenders or the Majority Lenders, as applicable, pursuant to Section
2.07(c)(iii), the Administrative Agent shall notify the Borrower and the Lenders
of the amount of the redetermined Borrowing Base (the "New Borrowing Base
Notice"), and such amount shall become the new Borrowing Base, effective and
applicable to the Borrower, the Administrative Agent, each Issuing Bank and the
Lenders:

                                       25

<PAGE>

               (i) in the case of a Scheduled Redetermination, (A) if the
     Administrative Agent shall have received the Engineering Reports required
     to be delivered by the Borrower pursuant to Section 8.12(a) and (c) in a
     timely and complete manner, then on the April 1st or October 1st, as
     applicable, following delivery of the New Borrowing Base Notice, or (B) if
     the Administrative Agent shall not have received the Engineering Reports
     required to be delivered by the Borrower pursuant to Section 8.12(a) and
     (c) in a timely and complete manner, then on the Business Day next
     succeeding delivery of the New Borrowing Base Notice; and

               (ii) in the case of an Interim Redetermination, on the Business
     Day next succeeding delivery of such notice.

     Such amount shall then become the Borrowing Base until the next Scheduled
Redetermination Date, the next Interim Redetermination date or the next
adjustment to the Borrowing Base under Section 8.13(c) or Section 9.12(d),
whichever occurs first.

     Section 2.08 Letters of Credit.

          (a) General. Subject to the terms and conditions set forth herein, the
Borrower may request any Issuing Bank to issue Letters of Credit for its own
account or for the account of the Borrower or any of its Subsidiaries, in a form
reasonably acceptable to the Administrative Agent and such Issuing Bank, at any
time and from time to time during the Availability Period; provided that the
Borrower may not request the issuance, amendment, renewal or extension of
Letters of Credit hereunder if a Borrowing Base Deficiency exists at such time
or would exist as a result thereof. In the event of any inconsistency between
the terms and conditions of this Agreement and the terms and conditions of any
form of letter of credit application or other agreement submitted by the
Borrower to, or entered into by the Borrower with, an Issuing Bank relating to
any Letter of Credit, the terms and conditions of this Agreement shall control.

          (b) Notice of Issuance, Amendment, Renewal, Extension; Certain
Conditions. To request the issuance of a Letter of Credit (or the amendment,
renewal or extension of an outstanding Letter of Credit), the Borrower shall
deliver as permitted by Section 12.01(a) (or transmit by electronic
communication, if arrangements for doing so have been approved by the Issuing
Bank) to any Issuing Bank and the Administrative Agent (not less than five (5)
Business Days in advance of the requested date of issuance, amendment, renewal
or extension) a notice:

               (i) requesting the issuance of a Letter of Credit or identifying
     the Letter of Credit issued by such Issuing Bank to be amended, renewed or
     extended;

               (ii) specifying the date of issuance, amendment, renewal or
     extension (which shall be a Business Day);

               (iii) specifying the date on which such Letter of Credit is to
     expire (which shall comply with Section 2.08(c));

               (iv) specifying the amount of such Letter of Credit;

                                       26

<PAGE>

               (v) specifying the name and address of the beneficiary thereof
     and such other information as shall be necessary to prepare, amend, renew
     or extend such Letter of Credit; and

               (vi) specifying the amount of the then effective Borrowing Base
     and whether a Borrowing Base Deficiency exists at such time, the current
     total Revolving Credit Exposures (without regard to the requested Letter of
     Credit or the requested amendment, renewal or extension of an outstanding
     Letter of Credit) and the pro forma total Revolving Credit Exposures
     (giving effect to the requested Letter of Credit or the requested
     amendment, renewal or extension of an outstanding Letter of Credit).

Each notice shall constitute a representation that after giving effect to the
requested issuance, amendment, renewal or extension, as applicable, (i) the LC
Exposure shall not exceed the LC Commitment and (ii) the total Revolving Credit
Exposures shall not exceed the lesser of the Aggregate Maximum Credit Amounts
and the then effective Borrowing Base.

If requested by any Issuing Bank, the Borrower also shall submit a letter of
credit application on such Issuing Bank's standard form in connection with any
request for a Letter of Credit.

          (c) Expiration Date. Each Letter of Credit shall expire at or prior to
the close of business on the earlier of (i) the date one year after the date of
the issuance of such Letter of Credit (or, in the case of any renewal or
extension thereof, one year after such renewal or extension) and (ii) the date
that is five Business Days prior to the Maturity Date.

          (d) Participations. By the issuance of a Letter of Credit (or an
amendment to a Letter of Credit increasing the amount thereof) and without any
further action on the part of the Issuing Bank that issues such Letter of Credit
or the Lenders, each Issuing Bank that issues a Letter of Credit hereunder
hereby grants to each Lender, and each Lender hereby acquires from such Issuing
Bank, a participation in such Letter of Credit equal to such Lender's Applicable
Percentage of the aggregate amount available to be drawn under such Letter of
Credit. In consideration and in furtherance of the foregoing, each Lender hereby
absolutely and unconditionally agrees to pay to the Administrative Agent, for
the account of any Issuing Bank that issues a Letter of Credit hereunder, such
Lender's Applicable Percentage of each LC Disbursement made by such Issuing Bank
and not reimbursed by the Borrower on the date due as provided in Section
2.08(e), or of any reimbursement payment required to be refunded to the Borrower
for any reason. Each Lender acknowledges and agrees that its obligation to
acquire participations pursuant to this Section 2.08(d) in respect of Letters of
Credit is absolute and unconditional and shall not be affected by any
circumstance whatsoever, including any amendment, renewal or extension of any
Letter of Credit or the occurrence and continuance of a Default, the existence
of a Borrowing Base Deficiency or reduction or termination of the Commitments,
and that each such payment shall be made without any offset, abatement,
withholding or reduction whatsoever.

          (e) Reimbursement. If any Issuing Bank shall make any LC Disbursement
in respect of a Letter of Credit issued by such Issuing Bank, the Borrower shall
reimburse such LC Disbursement by paying to the Administrative Agent an amount
equal to such LC Disbursement not later than 1:00 p.m., Houston time, on the
third day after such LC Disbursement is made, if the Borrower shall have
received notice of such LC Disbursement prior to 9:00 a.m., Houston time, on
such date, or, if such notice has not been received by the Borrower prior to
such time on such date, then not later than 1:00 p.m., Houston time, on (i) the
third day after the Borrower receives such

                                       27

<PAGE>

notice, if such notice is received prior to 9:00 a.m., Houston time, on the day
of receipt, or (ii) the Business Day immediately following the third day after
the Borrower receives such notice, if such notice is not received prior to such
time on the day of receipt; provided that if such LC Disbursement is not less
than $1,000,000, the Borrower shall, subject to the conditions to Borrowing set
forth herein, be deemed to have requested, and the Borrower does hereby request
under such circumstances, that such payment be financed with a Eurodollar
Borrowing with an Interest Period of one month in an equivalent amount and, to
the extent so financed, the Borrower's obligation to make such payment shall be
discharged and replaced by the resulting Eurodollar Borrowing. If the Borrower
fails to make such payment when due, the Administrative Agent shall notify each
Lender of the applicable LC Disbursement, the payment then due from the Borrower
in respect thereof and such Lender's Applicable Percentage thereof. Promptly
following receipt of such notice, each Lender shall pay to the Administrative
Agent its Applicable Percentage of the payment then due from the Borrower, in
the same manner as provided in Section 2.05 with respect to Loans made by such
Lender (and Section 2.05 shall apply, mutatis mutandis, to the payment
obligations of the Lenders), and the Administrative Agent shall promptly pay to
the Issuing Bank that issued such Letter of Credit the amounts so received by it
from the Lenders. Promptly following receipt by the Administrative Agent of any
payment from the Borrower pursuant to this Section 2.08(e), the Administrative
Agent shall distribute such payment to the Issuing Bank that issued such Letter
of Credit or, to the extent that Lenders have made payments pursuant to this
Section 2.08(e) to reimburse such Issuing Bank, then to such Lenders and such
Issuing Bank as their interests may appear. Any payment made by a Lender
pursuant to this Section 2.08(e) to reimburse any Issuing Bank for any LC
Disbursement (other than the funding of ABR Loans as contemplated above) shall
not constitute a Loan and shall not relieve the Borrower of its obligation to
reimburse such LC Disbursement. Any LC Disbursement not reimbursed by the
Borrower or funded as a Loan prior to 1:00 p.m., Houston time on the date such
Disbursement is made, shall bear interest for each such day such Disbursement is
outstanding at the ABR plus the Applicable Margin.

          (f) Obligations Absolute. The Borrower's obligation to reimburse LC
Disbursements as provided in Section 2.08(e) shall be absolute, unconditional
and irrevocable, and shall be performed strictly in accordance with the terms of
this Agreement under any and all circumstances whatsoever and irrespective of
(i) any lack of validity or enforceability of any Letter of Credit, any Letter
of Credit Agreement or this Agreement, or any term or provision therein, (ii)
any draft or other document presented under a Letter of Credit proving to be
forged, fraudulent or invalid in any respect or any statement therein being
untrue or inaccurate in any respect, (iii) payment by any Issuing Bank under a
Letter of Credit issued by such Issuing Bank against presentation of a draft or
other document that does not comply with the terms of such Letter of Credit or
any Letter of Credit Agreement, or (iv) any other event or circumstance
whatsoever, whether or not similar to any of the foregoing, that might, but for
the provisions of this Section 2.08(f), constitute a legal or equitable
discharge of, or provide a right of setoff against, the Borrower's obligations
hereunder. Neither the Administrative Agent, the Lenders nor any Issuing Bank,
nor any of their Related Parties shall have any liability or responsibility by
reason of or in connection with the issuance or transfer of any Letter of Credit
or any payment or failure to make any payment thereunder (irrespective of any of
the circumstances referred to in the preceding sentence), or any error,
omission, interruption, loss or delay in transmission or delivery of any draft,
notice or other communication under or relating to any Letter of Credit
(including any document required to make a drawing thereunder), any error in
interpretation of technical terms or any consequence arising from causes beyond
the control of any Issuing Bank; provided that the foregoing shall not be
construed to excuse any Issuing Bank from liability to the Borrower to the
extent of any direct damages (as opposed to consequential damages, claims in
respect of which are hereby waived by the Borrower to the extent permitted by
applicable

                                       28

<PAGE>

law) suffered by the Borrower that are caused by such Issuing Bank's failure to
exercise care when determining whether drafts and other documents presented
under a Letter of Credit comply with the terms thereof. The parties hereto
expressly agree that, in the absence of gross negligence or willful misconduct
on the part of any Issuing Bank (as finally determined by a court of competent
jurisdiction), such Issuing Bank shall be deemed to have exercised all requisite
care in each such determination. In furtherance of the foregoing and without
limiting the generality thereof, the parties agree that, with respect to
documents presented which appear on their face to be in substantial compliance
with the terms of a Letter of Credit, the Issuing Bank that issued such Letter
of Credit may, in its sole discretion, either accept and make payment upon such
documents without responsibility for further investigation, regardless of any
notice or information to the contrary, or refuse to accept and make payment upon
such documents if such documents are not in strict compliance with the terms of
such Letter of Credit.

          (g) Disbursement Procedures. Each Issuing Bank shall, promptly
following its receipt thereof, examine all documents purporting to represent a
demand for payment under a Letter of Credit issued by such Issuing Bank. Such
Issuing Bank shall promptly notify the Administrative Agent and the Borrower by
telephone (confirmed by telecopy) of such demand for payment and whether such
Issuing Bank has made or will make an LC Disbursement thereunder; provided that
any failure to give or delay in giving such notice shall not relieve the
Borrower of its obligation to reimburse such Issuing Bank and the Lenders with
respect to any such LC Disbursement.

          (h) Interim Interest. If any Issuing Bank shall make any LC
Disbursement, then, until the Borrower shall have reimbursed such Issuing Bank
for such LC Disbursement (either with its own funds or a Borrowing under Section
2.08(e)), the unpaid amount thereof shall bear interest, for each day from and
including the date such LC Disbursement is made to but excluding the date that
the Borrower reimburses such LC Disbursement, at the rate per annum then
applicable to ABR Loans. Interest accrued pursuant to this Section 2.08(h) shall
be for the account of such Issuing Bank, except that interest accrued on and
after the date of payment by any Lender pursuant to Section 2.08(e) to reimburse
such Issuing Bank shall be for the account of such Lender to the extent of such
payment.

          (i) Replacement of an Issuing Bank. Any Issuing Bank may be replaced
or resign at any time by written agreement among the Borrower, the
Administrative Agent, such resigning or replaced Issuing Bank and, in the case
of a replacement, the successor Issuing Bank. The Administrative Agent shall
notify the Lenders of any such resignation or replacement of an Issuing Bank. At
the time any such resignation or replacement shall become effective, the
Borrower shall pay all unpaid fees accrued for the account of the resigning or
replaced Issuing Bank pursuant to Section 3.05(b). In the case of the
replacement of an Issuing Bank, from and after the effective date of such
replacement, (i) the successor Issuing Bank shall have all the rights and
obligations of the replaced Issuing Bank under this Agreement with respect to
Letters of Credit to be issued thereafter and (ii) references herein to "Issuing
Bank" shall be deemed to refer to such successor or to any previous Issuing
Bank, or to such successor and all previous Issuing Banks, as the context shall
require. After the resignation or replacement of an Issuing Bank hereunder, the
resigning or replaced Issuing Bank shall remain a party hereto and shall
continue to have all the rights and obligations of an Issuing Bank under this
Agreement with respect to Letters of Credit issued by it prior to such
resignation or replacement, but shall not be required to issue additional
Letters of Credit.

          (j) Cash Collateralization. If (i) any Event of Default shall occur
and be continuing and the Borrower receives notice from the Administrative Agent
or the Majority Lenders

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<PAGE>

demanding the deposit of cash collateral pursuant to this Section 2.08(j), or
(ii) the Borrower is required to pay to the Administrative Agent the excess
attributable to an LC Exposure in connection with any prepayment pursuant to
Section 3.04(c), then the Borrower shall deposit, in an account with the
Administrative Agent, in the name of the Administrative Agent and for the
benefit of the Lenders, an amount in cash equal to, in the case of an Event of
Default, the LC Exposure, and in the case of a payment required by Section
3.04(c), the amount of such excess as provided in Section 3.04(c), as of such
date plus any accrued and unpaid interest thereon; provided that the obligation
to deposit such cash collateral shall become effective immediately, and such
deposit shall become immediately due and payable, without demand or other notice
of any kind, upon the occurrence of any Event of Default with respect to the
Borrower or any of its Subsidiaries described in Section 10.01(h) or Section
10.01(i). The Borrower hereby grants to the Administrative Agent, for the
benefit of each Issuing Bank and the Lenders, an exclusive first priority and
continuing perfected security interest in and Lien on such account and all cash,
checks, drafts, certificates and instruments, if any, from time to time
deposited or held in such account, all deposits or wire transfers made thereto,
any and all investments purchased with funds deposited in such account, all
interest, dividends, cash, instruments, financial assets and other Property from
time to time received, receivable or otherwise payable in respect of, or in
exchange for, any or all of the foregoing, and all proceeds, products,
accessions, rents, profits, income and benefits therefrom, and any substitutions
and replacements therefor. The Borrower's obligation to deposit amounts pursuant
to this Section 2.08(j) shall be absolute and unconditional, without regard to
whether any beneficiary of any such Letter of Credit has attempted to draw down
all or a portion of such amount under the terms of a Letter of Credit, and, to
the fullest extent permitted by applicable law, shall not be subject to any
defense or be affected by a right of set-off, counterclaim or recoupment which
the Borrower or any of its Subsidiaries may now or hereafter have against any
such beneficiary, any Issuing Bank, the Administrative Agent, the Lenders or any
other Person for any reason whatsoever. Such deposit shall be held as collateral
securing the payment and performance of the Borrower's and any Guarantor's
obligations under this Agreement and the other Loan Documents. The
Administrative Agent shall have exclusive dominion and control, including the
exclusive right of withdrawal, over such account; provided that investments of
funds in such account in investments permitted by Section 9.05(c) or (e) may be
made at the option of the Borrower at its direction, risk and expense. Interest
or profits, if any, on such investments shall accumulate in such account. Moneys
in such account shall be applied by the Administrative Agent to reimburse, on a
pro rata basis, each Issuing Bank for LC Disbursements for which it has not been
reimbursed and, to the extent not so applied, shall be held for the satisfaction
of the reimbursement obligations of the Borrower for the LC Exposure at such
time or, if the maturity of the Loans has been accelerated, be applied to
satisfy other obligations of the Borrower and the Guarantors, if any, under this
Agreement or the other Loan Documents. If the Borrower is required to provide an
amount of cash collateral hereunder as a result of the occurrence of an Event of
Default, and the Borrower is not otherwise required to pay to the Administrative
Agent the excess attributable to an LC Exposure in connection with any
prepayment pursuant to Section 3.04(c), then such amount (to the extent not
applied as aforesaid) shall be returned to the Borrower within three Business
Days after all Events of Default have been cured or waived.

                                   ARTICLE III
              PAYMENTS OF PRINCIPAL AND INTEREST; PREPAYMENTS; FEES

     Section 3.01 Repayment of Loans. The Borrower hereby unconditionally
promises to pay to the Administrative Agent for the account of each Lender the
then unpaid principal amount of each Loan on the Termination Date.

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<PAGE>

     Section 3.02 Interest.

          (a) ABR Loans. Each ABR Loan comprising an ABR Borrowing shall bear
interest at the Alternate Base Rate plus the Applicable Margin, but in no event
to exceed the Highest Lawful Rate.

          (b) Eurodollar Loans. Each Eurodollar Loan comprising a Eurodollar
Borrowing shall bear interest at the LIBO Rate for the Interest Period in effect
for such Eurodollar Loan plus the Applicable Margin, but in no event to exceed
the Highest Lawful Rate.

          (c) Post-Default and Borrowing Base Deficiency Rate. Notwithstanding
the foregoing, (i) if an Event of Default has occurred and is continuing, or if
any principal of or interest on any Loan or any fee or other amount payable by
the Borrower or any Guarantor hereunder or under any other Loan Document is not
paid when due, whether at stated maturity, upon acceleration or otherwise, and
including any payments in respect of a Borrowing Base Deficiency under Section
3.04(c), then all Loans outstanding, in the case of an Event of Default, and
such overdue amount, in the case of a failure to pay amounts when due, shall
bear interest, after as well as before judgment, at the Alternate Base Rate plus
two percent (2%), but in no event to exceed the Highest Lawful Rate, and (ii)
during any Borrowing Base Deficiency, the amount of such Borrowing Base
Deficiency shall bear interest, after as well as before judgment, at the rate
then applicable to such Loans, plus the Applicable Margin, if any, plus an
additional two percent (2%), but in no event to exceed the Highest Lawful Rate.

          (d) Interest Payment Dates. Accrued interest on each Loan shall be
payable in arrears on: (i) with respect to any ABR Loan, the last day of each
March, June, September and December; (ii) with respect to any Eurodollar Loan,
the last day of the Interest Period applicable to the Borrowing of which such
Loan is a part but, in the case of any Interest Period longer than three months,
each successive date three months after the first day of such Interest Period,
and (iii) in any case, on the Termination Date; provided that (x) interest
accrued pursuant to Section 3.02(c)(i) shall be payable on demand, (y) in the
event of any repayment or prepayment of any Loan (other than an optional
prepayment of an ABR Loan prior to the Termination Date), accrued interest on
the principal amount repaid or prepaid shall be payable on the date of such
repayment or prepayment, and (z) in the event of any conversion of any
Eurodollar Loan prior to the end of the current Interest Period therefor,
accrued interest on such Loan shall be payable on the effective date of such
conversion.

          (e) Interest Rate Computations. All interest hereunder shall be
computed on the basis of a year of 360 days, unless such computation would
exceed the Highest Lawful Rate, in which case interest shall be computed on the
basis of a year of 365 days (or 366 days in a leap year), except that interest
computed by reference to the Alternate Base Rate shall be computed on the basis
of a year of 365 days (or 366 days in a leap year), and in each case shall be
payable for the actual number of days elapsed (including the first day but
excluding the last day). The applicable Alternate Base Rate or LIBO Rate shall
be determined by the Administrative Agent, and such determination shall be
conclusive absent manifest error, and be binding upon the parties hereto.

     Section 3.03 Alternate Rate of Interest. If prior to the commencement of
any Interest Period for a Eurodollar Borrowing:

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<PAGE>

          (a) the Administrative Agent determines (which determination shall be
conclusive absent manifest error) that adequate and reasonable means do not
exist for ascertaining the LIBO Rate or the LIBO Rate for such Interest Period;
or

          (b) the Administrative Agent is advised by the Majority Lenders that
the LIBO Rate or LIBO Rate, as applicable, for such Interest Period will not
adequately and fairly reflect the cost to such Lenders of making or maintaining
their Loans included in such Borrowing for such Interest Period;

then the Administrative Agent shall give notice thereof to the Borrower and the
Lenders by telephone or telecopy as promptly as practicable thereafter and,
until the Administrative Agent notifies the Borrower and the Lenders that the
circumstances giving rise to such notice no longer exist, (i) any Interest
Election Request that requests the conversion of any Borrowing to, or
continuation of any Borrowing as, a Eurodollar Borrowing shall be ineffective,
and (ii) if any Borrowing Request requests a Eurodollar Borrowing, such
Borrowing shall be made as an ABR Borrowing.

     Section 3.04 Prepayments.

          (a) Optional Prepayments. The Borrower shall have the right at any
time and from time to time to prepay any Borrowing in whole or in part, subject
to prior notice in accordance with Section 3.04(b) and payment of applicable
breakage costs, if any, under Section 5.02.

          (b) Notice and Terms of Optional Prepayment. The Borrower shall notify
the Administrative Agent by telephone (confirmed by telecopy) of any prepayment
hereunder (i) in the case of prepayment of a Eurodollar Borrowing, not later
than 12:00 noon, Houston time, three Business Days before the date of
prepayment, or (ii) in the case of prepayment of an ABR Borrowing, not later
than 12:00 noon, Houston time, one Business Day before the date of prepayment.
Each such notice shall be irrevocable and shall specify the prepayment date and
the principal amount of each Borrowing or portion thereof to be prepaid.
Promptly following receipt of any such notice relating to a Borrowing, the
Administrative Agent shall advise the Lenders of the contents thereof. Each
partial prepayment of any Borrowing shall be in an amount that would be
permitted in the case of an advance of a Borrowing of the same Type as provided
in Section 2.02. Each prepayment of a Borrowing shall be applied ratably to the
Loans included in the prepaid Borrowing. Prepayments shall be accompanied by
accrued interest to the extent required by Section 3.02.

          (c) Mandatory Prepayments.

               (i) If, after giving effect to any termination or reduction of
     the Aggregate Maximum Credit Amounts pursuant to Section 2.06(b), the total
     Revolving Credit Exposures exceeds the total Commitments, then the Borrower
     shall (A) prepay the Borrowings on the date of such termination or
     reduction in an aggregate principal amount equal to such excess, and (B) if
     any excess remains after prepaying all of the Borrowings as a result of an
     LC Exposure, pay to the Administrative Agent on behalf of the Lenders an
     amount equal to such excess to be held as cash collateral as provided in
     Section 2.08(j).

               (ii) Upon any redetermination of or adjustment to the amount of
     the Borrowing Base in accordance with Section 2.07 or Section 8.13(c), if
     the total Revolving Credit Exposures exceeds the redetermined or adjusted
     Borrowing Base, then the Borrower

                                       32

<PAGE>

     shall (A) prepay the Borrowings in an aggregate principal amount equal to
     such excess, and (B) if any excess remains after prepaying all of the
     Borrowings as a result of an LC Exposure, pay to the Administrative Agent
     on behalf of the Lenders an amount equal to such excess to be held as cash
     collateral as provided in Section 2.08(j). The Borrower shall be obligated
     to make such prepayment and/or deposit of cash collateral within one
     hundred twenty (120) days following the later of its receipt of the New
     Borrowing Base Notice in accordance with Section 2.07(d) or the date the
     adjustment occurs; provided that all payments required to be made pursuant
     to this Section 3.04(c)(ii) must be made on or prior to the Termination
     Date.

               (iii) Upon any adjustments to the Borrowing Base pursuant to
     Section 9.12(d), if the total Revolving Credit Exposures exceed the
     Borrowing Base as adjusted, then the Borrower shall (A) prepay the
     Borrowings in an aggregate principal amount equal to such excess, and (B)
     if any excess remains after prepaying all of the Borrowings as a result of
     an LC Exposure, pay to the Administrative Agent on behalf of the Lenders an
     amount equal to such excess to be held as cash collateral as provided in
     Section 2.08(j). The Borrower shall be obligated to make such prepayment
     and/or deposit of cash collateral on the date it or any Subsidiary receives
     cash proceeds as a result of such disposition; provided that all payments
     required to be made pursuant to this Section 3.04(c)(iii) must be made on
     or prior to the Termination Date.

               (iv) Each prepayment of Borrowings pursuant to this Section
     3.04(c) shall be applied, first, ratably to any ABR Borrowings then
     outstanding, and, second, to any Eurodollar Borrowings then outstanding,
     and if more than one Eurodollar Borrowing is then outstanding, to each such
     Eurodollar Borrowing in order of priority beginning with the Eurodollar
     Borrowing with the least number of days remaining in the Interest Period
     applicable thereto and ending with the Eurodollar Borrowing with the most
     number of days remaining in the Interest Period applicable thereto.

               (v) Each prepayment of Borrowings pursuant to this Section
     3.04(c) shall be applied ratably to the Loans included in the prepaid
     Borrowings. Prepayments pursuant to this Section 3.04(c) shall be
     accompanied by accrued interest to the extent required by Section 3.02.

          (d) No Premium or Penalty. Prepayments permitted or required under
this Section 3.04 shall be without premium or penalty, except as required under
Section 5.02.

     Section 3.05 Fees.

          (a) Commitment Fees. The Borrower agrees to pay to the Administrative
Agent for the account of each Lender a commitment fee, which shall accrue at a
rate per annum equal to 0.375% on the average daily amount of the unused amount
of the Commitment of such Lender during the period from and including the date
of this Agreement to but excluding the Termination Date. Accrued commitment fees
shall be payable in arrears on the last day of March, June, September and
December of each year and on the Termination Date, commencing on the first such
date to occur after the date hereof. All commitment fees shall be computed on
the basis of a year of 360 days, unless such computation would exceed the
Highest Lawful Rate, in which case interest shall be computed on the basis of a
year of 365 days (or 366 days in a leap year), and shall be payable for the
actual number of days elapsed (including the first day but excluding the last
day).

                                       33

<PAGE>

          (b) Letter of Credit Fees. The Borrower agrees to pay (i) to the
Administrative Agent for the account of each Lender a participation fee with
respect to its participations in Letters of Credit, which shall accrue at the
same Applicable Margin used to determine the interest rate applicable to
Eurodollar Loans on the average daily amount of such Lender's LC Exposure
(excluding any portion thereof attributable to unreimbursed LC Disbursements)
during the period from and including the date of this Agreement to but excluding
the later of the date on which such Lender's Commitment terminates and the date
on which such Lender ceases to have any LC Exposure, (ii) to each Issuing Bank a
fronting fee equal to 0.125% per annum on the face amount of each Letter of
Credit issued by such Issuing Bank hereunder, provided that in no event shall
such fee be less than $500 and (iii) to each Issuing Bank, for its own account,
its standard fees with respect to the amendment, renewal or extension of any
Letter of Credit issued by such Issuing Bank or processing of drawings
thereunder. Participation fees accrued through and including the last day of
March, June, September and December of each year shall be payable on the third
Business Day following such last day, commencing on the first such date to occur
after the date of this Agreement and fronting fees with respect to any Letter of
Credit shall be payable at the time of issuance of such Letter of Credit;
provided that all such fees shall be payable on the Termination Date and any
such fees accruing after the Termination Date shall be payable on demand. Any
other fees payable to an Issuing Bank pursuant to this Section 3.05(b) shall be
payable within 10 days after demand. All participation fees and fronting fees
shall be computed on the basis of a year of 360 days, unless such computation
would exceed the Highest Lawful Rate, in which case such fees shall be computed
on the basis of a year of 365 days (or 366 days in a leap year), and shall be
payable for the actual number of days elapsed (including the first day but
excluding the last day).

          (c) Administrative Agent Fees. The Borrower agrees to pay to the
Administrative Agent, for its own account, fees payable in the amounts and at
the times separately agreed upon between the Borrower and the Administrative
Agent.

                                   ARTICLE IV
               PAYMENTS; PRO RATA TREATMENT; SHARING OF SET-OFFS.

     Section 4.01 Payments Generally; Pro Rata Treatment; Sharing of Set-offs.

          (a) Payments by the Borrower. The Borrower shall make each payment
required to be made by it hereunder (whether of principal, interest, fees or
reimbursement of LC Disbursements, or of amounts payable under Section 5.01,
Section 5.02, Section 5.03 or otherwise) prior to 1:00 p.m., Houston time, on
the date when due, in immediately available funds, without defense, deduction,
recoupment, set-off or counterclaim. Fees, once paid, shall be fully earned and
shall not be refundable under any circumstances. Any amounts received after such
time on any date may, in the discretion of the Administrative Agent, be deemed
to have been received on the next succeeding Business Day for purposes of
calculating interest thereon. All such payments shall be made to the
Administrative Agent at its offices specified in Section 12.01, except payments
to be made directly to an Issuing Bank as expressly provided herein and except
that payments pursuant to Section 5.01, Section 5.02, Section 5.03 and Section
12.03 shall be made directly to the Persons entitled thereto. The Administrative
Agent shall distribute any such payments received by it for the account of any
other Person to the appropriate recipient promptly following receipt thereof. If
any payment hereunder shall be due on a day that is not a Business Day, the date
for payment shall be extended to the next succeeding Business Day, and, in the
case of any payment accruing interest, interest thereon shall be payable for the
period of such extension. All payments hereunder shall be made in dollars.

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<PAGE>

          (b) Application of Insufficient Payments. If at any time insufficient
funds are received by and available to the Administrative Agent to pay fully all
amounts of principal, unreimbursed LC Disbursements, interest and fees then due
hereunder, such funds shall be applied (i) first, towards payment of interest
and fees then due hereunder, ratably among the parties entitled thereto in
accordance with the amounts of interest and fees then due to such parties, and
(ii) second, towards payment of principal and unreimbursed LC Disbursements then
due hereunder, ratably among the parties entitled thereto in accordance with the
amounts of principal and unreimbursed LC Disbursements then due to such parties.

          (c) Sharing of Payments by Lenders. If any Lender shall, by exercising
any right of set-off or counterclaim or otherwise, obtain payment in respect of
any principal of or interest on any of its Loans or participations in LC
Disbursements resulting in such Lender receiving payment of a greater proportion
of the aggregate amount of its Loans and participations in LC Disbursements and
accrued interest thereon than the proportion received by any other Lender, then
the Lender receiving such greater proportion shall purchase (for cash at face
value) participations in the Loans and participations in LC Disbursements of
other Lenders to the extent necessary so that the benefit of all such payments
shall be shared by the Lenders ratably in accordance with the aggregate amount
of principal of and accrued interest on their respective Loans and
participations in LC Disbursements; provided that (i) if any such participations
are purchased and all or any portion of the payment giving rise thereto is
recovered, such participations shall be rescinded and the purchase price
restored to the extent of such recovery, without interest, and (ii) the
provisions of this Section 4.01(c) shall not be construed to apply to any
payment made by the Borrower pursuant to and in accordance with the express
terms of this Agreement or any payment obtained by a Lender as consideration for
the assignment of or sale of a participation in any of its Loans or
participations in LC Disbursements to any assignee or participant, other than to
the Borrower or any Subsidiary or Affiliate thereof (as to which the provisions
of this Section 4.01(c) shall apply). The Borrower consents to the foregoing and
agrees, to the extent it may effectively do so under applicable law, that any
Lender acquiring a participation pursuant to the foregoing arrangements may
exercise against the Borrower rights of set-off and counterclaim with respect to
such participation as fully as if such Lender were a direct creditor of the
Borrower in the amount of such participation.

     Section 4.02 Presumption of Payment by the Borrower. Unless the
Administrative Agent shall have received notice from the Borrower prior to the
date on which any payment is due to the Administrative Agent for the account of
the Lenders or any Issuing Bank that the Borrower will not make such payment,
the Administrative Agent may assume that the Borrower has made such payment on
such date in accordance herewith and may, in reliance upon such assumption,
distribute to the Lenders or such Issuing Bank, as the case may be, the amount
due. In such event, if the Borrower has not in fact made such payment, then each
of the Lenders or such Issuing Bank, as the case may be, severally agrees to
repay to the Administrative Agent forthwith on demand the amount so distributed
to such Lender or such Issuing Bank with interest thereon, for each day from and
including the date such amount is distributed to it to but excluding the date of
payment to the Administrative Agent, at the greater of the Federal Funds
Effective Rate and a rate determined by the Administrative Agent in accordance
with banking industry rules on interbank compensation.

     Section 4.03 Certain Deductions by the Administrative Agent. If any Lender
shall fail to make any payment required to be made by it pursuant to Section
2.05(b), Section 2.08(d), Section 2.08(e) or Section 4.02 then the
Administrative Agent may, in its discretion (notwithstanding any contrary
provision hereof), apply any amounts thereafter received by the Administrative
Agent for

                                       35

<PAGE>

the account of such Lender to satisfy such Lender's obligations under such
Sections until all such unsatisfied obligations are fully paid.

                                    ARTICLE V
           INCREASED COSTS; BREAK FUNDING PAYMENTS; TAXES; ILLEGALITY

     Section 5.01 Increased Costs.

          (a) Eurodollar Changes in Law. If any Change in Law shall:

     impose, modify or deem applicable any reserve (including marginal, special,
     emergency or supplemental reserves), special deposit or similar requirement
     against assets of, deposits with or for the account of, or credit extended
     by, any Lender for Eurocurrency liabilities under Regulation D of the Board
     (as the same may be amended, supplemented or replaced from time to time) or
     otherwise; or

               (i) impose on any Lender or the London interbank market any other
     condition affecting this Agreement or Eurodollar Loans made by such Lender;

and the result of any of the foregoing shall be to increase the cost to such
Lender of making or maintaining any Eurodollar Loan (or of maintaining its
obligation to make any such Loan) or to reduce the amount of any sum received or
receivable by such Lender (whether of principal, interest or otherwise), then
the Borrower will pay to such Lender such additional amount or amounts as will
compensate such Lender for such additional costs incurred or reduction suffered.

          (b) Capital Requirements. If any Lender or any Issuing Bank determines
that any Change in Law regarding capital requirements has or would have the
effect of reducing the rate of return on such Lender's or such Issuing Bank's
capital or on the capital of such Lender's or such Issuing Bank's holding
company, if any, as a consequence of this Agreement or the Loans made by, or
participations in Letters of Credit held by, such Lender, or the Letters of
Credit issued by such Issuing Bank, to a level below that which such Lender or
such Issuing Bank or such Lender's or such Issuing Bank's holding company could
have achieved but for such Change in Law (taking into consideration such
Lender's or such Issuing Bank's policies and the policies of such Lender's or
such Issuing Bank's holding company with respect to capital adequacy), then from
time to time the Borrower will pay to such Lender or such Issuing Bank, as the
case may be, such additional amount or amounts as will compensate such Lender or
such Issuing Bank or such Lender's or such Issuing Bank's holding company for
any such reduction suffered.

          (c) Certificates. A certificate of a Lender or any Issuing Bank
setting forth in reasonable detail the basis of its request and the amount or
amounts necessary to compensate such Lender or such Issuing Bank or its holding
company, as the case may be, as specified in Section 5.01(a) or (b) shall be
delivered to the Borrower and shall be conclusive absent manifest error. The
Borrower shall pay such Lender or such Issuing Bank, as the case may be, the
amount shown as due on any such certificate within 10 days after receipt
thereof.

          (d) Effect of Failure or Delay in Requesting Compensation. Failure or
delay on the part of any Lender or any Issuing Bank to demand compensation
pursuant to this Section 5.01 shall not constitute a waiver of such Lender's or
such Issuing Bank's right to demand such compensation, provided that no Lender
may make any such demand more than 180 days after the

                                       36

<PAGE>

Termination Date, nor for any amount which has accrued more than 270 days prior
to such Lender or Issuing Bank delivering the certificate required in Section
5.01(c).

     Section 5.02 Break Funding Payments. In the event of (a) the payment of any
principal of any Eurodollar Loan other than on the last day of an Interest
Period applicable thereto (including as a result of an Event of Default), (b)
the conversion of any Eurodollar Loan into an ABR Loan other than on the last
day of the Interest Period applicable thereto, or (c) the failure to borrow,
convert, continue or prepay any Eurodollar Loan on the date specified in any
notice delivered pursuant hereto, then, in any such event, the Borrower shall
compensate each Lender for the loss, cost and expense attributable to such
event. In the case of a Eurodollar Loan, such loss, cost or expense to any
Lender shall be deemed to include an amount determined by such Lender to be the
excess, if any, of (i) the amount of interest which would have accrued on the
principal amount of such Loan had such event not occurred, at the LIBO Rate that
would have been applicable to such Loan, for the period from the date of such
event to the last day of the then current Interest Period therefor (or, in the
case of a failure to borrow, convert or continue, for the period that would have
been the Interest Period for such Loan), over (ii) the amount of interest which
would accrue on such principal amount for such period at the interest rate which
such Lender would bid were it to bid, at the commencement of such period, for
dollar deposits of a comparable amount and period from other banks in the
eurodollar market.

A certificate of any Lender setting forth any amount or amounts that such Lender
is entitled to receive pursuant to this Section 5.02 shall be delivered to the
Borrower and shall be conclusive absent manifest error. The Borrower shall pay
such Lender the amount shown as due on any such certificate within 10 days after
receipt thereof.

     Section 5.03 Taxes.

          (a) Payments Free of Taxes. Any and all payments by or on account of
any obligation of the Borrower or any Guarantor under any Loan Document shall be
made free and clear of and without deduction for any Indemnified Taxes or Other
Taxes; provided that if the Borrower or any Guarantor shall be required to
deduct any Indemnified Taxes or Other Taxes from such payments, then (i) the sum
payable shall be increased as necessary so that after making all required
deductions (including deductions applicable to additional sums payable under
this Section 5.03(a)), the Administrative Agent, Lender or Issuing Bank (as the
case may be) receives an amount equal to the sum it would have received had no
such deductions been made, (ii) the Borrower or such Guarantor shall make such
deductions and (iii) the Borrower or such Guarantor shall pay the full amount
deducted to the relevant Governmental Authority in accordance with applicable
law.

          (b) Payment of Other Taxes by the Borrower. The Borrower shall pay any
Other Taxes to the relevant Governmental Authority in accordance with applicable
law.

          (c) Indemnification by the Borrower. The Borrower shall indemnify the
Administrative Agent, each Lender and each Issuing Bank, within 10 days after
written demand therefor, for the full amount of any Indemnified Taxes or Other
Taxes paid by the Administrative Agent, such Lender or such Issuing Bank, as the
case may be, on or with respect to any payment by or on account of any
obligation of the Borrower hereunder (including Indemnified Taxes or Other Taxes
imposed or asserted on or attributable to amounts payable under this Section
5.03) and any penalties, interest and reasonable expenses arising therefrom or
with respect thereto, whether or not such Indemnified Taxes or Other Taxes were
correctly or legally imposed or asserted by the relevant

                                       37

<PAGE>

Governmental Authority. A certificate of the Administrative Agent, a Lender or
an Issuing Bank as to the basis of such Indemnified Taxes and Other Taxes and
the amount of such payment or liability under this Section 5.03 shall be
delivered to the Borrower and shall be conclusive absent manifest error.

          (d) Evidence of Payments. As soon as practicable after any payment of
Indemnified Taxes or Other Taxes by the Borrower or a Guarantor to a
Governmental Authority, the Borrower shall deliver to the Administrative Agent
the original or a certified copy of a receipt issued by such Governmental
Authority evidencing such payment, a copy of the return reporting such payment
or other evidence of such payment reasonably satisfactory to the Administrative
Agent.

          (e) Foreign Lenders. Any Foreign Lender that is entitled to an
exemption from or reduction of withholding tax under the law of the jurisdiction
in which the Borrower is located, or any treaty to which such jurisdiction is a
party, with respect to payments under this Agreement or any other Loan Document
shall deliver to the Borrower (with a copy to the Administrative Agent), at the
time or times prescribed by applicable law, such properly completed and executed
documentation prescribed by applicable law or reasonably requested by the
Borrower as will permit such payments to be made without withholding or at a
reduced rate.

     Section 5.04 Designation of Different Lending Office. If any Lender
requests compensation under Section 5.01, or if the Borrower is required to pay
any additional amount to any Lender or any Governmental Authority for the
account of any Lender pursuant to Section 5.03, then such Lender shall use
reasonable efforts to designate a different lending office for funding or
booking its Loans hereunder or to assign its rights and obligations hereunder to
another of its offices, branches or affiliates, if, in the judgment of such
Lender, such designation or assignment (a) would eliminate or reduce amounts
payable pursuant to Section 5.01 or Section 5.03, as the case may be, in the
future and (b) would not subject such Lender to any unreimbursed cost or expense
and would not otherwise be disadvantageous to such Lender. The Borrower hereby
agrees to pay all reasonable costs and expenses incurred by any Lender in
connection with any such designation or assignment.

     Section 5.05 Illegality. Notwithstanding any other provision of this
Agreement, in the event that it becomes unlawful for any Lender or its
applicable lending office to honor its obligation to make or maintain Eurodollar
Loans either generally or having a particular Interest Period hereunder, then
(a) such Lender shall promptly notify the Borrower and the Administrative Agent
thereof and such Lender's obligation to make such Eurodollar Loans shall be
suspended (the "Affected Loans") until such time as such Lender may again make
and maintain such Eurodollar Loans and (b) all Affected Loans which would
otherwise be made by such Lender shall be made instead as ABR Loans (and, if
such Lender so requests by notice to the Borrower and the Administrative Agent,
all Affected Loans of such Lender then outstanding shall be automatically
converted into ABR Loans on the date specified by such Lender in such notice)
and, to the extent that Affected Loans are so made as (or converted into) ABR
Loans, all payments of principal which would otherwise be applied to such
Lender's Affected Loans shall be applied instead to its ABR Loans.

                                       38
<PAGE>

                                   ARTICLE VI
                              CONDITIONS PRECEDENT

     Section 6.01 Effective Date. The obligations of the Lenders to make the
initial Loans and of any Issuing Bank to issue Letters of Credit hereunder shall
not become effective until the date on which each of the following conditions is
satisfied (or waived in accordance with Section 12.02):

          (a) The Arranger, the Administrative Agent and the Lenders shall have
received all fees and other amounts due and payable on or prior to the Effective
Date, including, to the extent invoiced, reimbursement or payment of all
out-of-pocket expenses required to be reimbursed or paid by the Borrower
hereunder.

          (b) The Administrative Agent shall have received a certificate of the
Borrower and of each Guarantor setting forth (i) resolutions of the board of
directors or other managing body with respect to the authorization of the
Borrower or such Guarantor to execute and deliver the Loan Documents to which it
is a party and to enter into the transactions contemplated in those documents,
(ii) the individuals (y) who are authorized to sign the Loan Documents to which
the Borrower or such Guarantor is a party and (z) who will, until replaced by
another individual duly authorized for that purpose, act as its representative
for the purposes of signing documents and giving notices and other
communications in connection with this Agreement and the other Loan Documents to
which it is a party, (iii) specimen signatures of such authorized individuals,
and (iv) the articles or certificate of incorporation or formation and bylaws,
operating agreement or partnership agreement, as applicable, of the Borrower and
each Guarantor, in each case, certified as being true and complete. The
Administrative Agent and the Lenders may conclusively rely on such certificate
until the Administrative Agent receives notice in writing from the Borrower to
the contrary.

          (c) The Administrative Agent shall have received certificates of the
appropriate State agencies with respect to the existence, qualification and good
standing of the Borrower and each Guarantor, if any.

          (d) The Administrative Agent shall have received a compliance
certificate, which shall be substantially in the form of Exhibit B, duly and
properly executed by a Responsible Officer and dated as of the Effective Date.

          (e) The Administrative Agent shall have received from each party
hereto counterparts (in such number as may be requested by the Administrative
Agent) of this Agreement signed on behalf of such party.

          (f) The Administrative Agent shall have received duly executed Notes
payable to the order of each Lender in a principal amount equal to its Maximum
Credit Amount dated as of the date hereof.

          (g) The Administrative Agent shall have received from each party
thereto duly executed counterparts (in such number as may be requested by the
Administrative Agent) of the Security Instruments, including the Guaranty
Agreements, the Pledge Agreement, and the other Security Instruments described
on Exhibit C-1. In connection with the execution and delivery of the Security
Instruments, the Administrative Agent shall be reasonably satisfied that the
Security Instruments create first priority, perfected Liens (subject only to
Excepted Liens identified in clauses

                                       39

<PAGE>

(a) to (d) and (f) of the definition thereof, but subject to the provisos at the
end of such definition) on at least 80% of the total value of the Oil and Gas
Properties evaluated in the Initial Reserve Report.

          (h) The Administrative Agent shall have received evidence reasonably
satisfactory to the Administrative Agent of duly executed assignment of existing
Swap Agreements of Brothers, Moriah and MBN to the Borrower.

          (i) The Administrative Agent shall have received evidence reasonably
satisfactory to the Administrative Agent of contribution of assets by Brothers,
Moriah and MBN and their respective Affiliates to Legacy Reserves Operating LP.

          (j) The Administrative Agent shall have received evidence reasonably
satisfactory to the Administrative Agent of consummation of the Offering with
net cash proceeds of no less than $11,200,000.

          (k) The Administrative Agent shall have received an opinion of (i)
Andrews Kurth, LLP, special counsel to the Borrower and (ii) Cotton, Bledsoe,
Tighe & Dawson, P.C., special New Mexico counsel, each in form and substance
satisfactory to the Administrative Agent, as to such matters incident to the
Transactions as the Administrative Agent may reasonably request.

          (l) The Administrative Agent shall have received a certificate of
insurance coverage of the Borrower evidencing that the Borrower is carrying
insurance in accordance with Section 7.12.

          (m) The Administrative Agent shall have received such information as
the Administrative Agent may reasonably require, all of which shall be
reasonably satisfactory to the Administrative Agent in form and substance, on
the title to not less than 70% of the Oil and Gas Properties evaluated in the
Initial Reserve Report.

          (n) The Administrative Agent shall have received a certificate of a
Responsible Officer certifying that the Borrower has received all consents and
approvals required by Section 7.03.

          (o) The Administrative Agent shall have received the pro forma
combined financial statements referred to in Section 7.04(a) and the Initial
Reserve Reports.

          (p) The Administrative Agent shall have received appropriate UCC
search certificates reflecting no prior Liens encumbering the Properties of the
Borrower, and its Subsidiaries for each of the following jurisdictions: Texas,
New Mexico, New York, Delaware and any other jurisdiction requested by the
Administrative Agent; other than those being assigned or released on or prior to
the Effective Date or Liens permitted by Section 9.03.

          (q) The Administrative Agent shall have received evidence reasonably
satisfactory to Administrative Agent of the payment in full of all amounts due
under the Subordinated Debt, the termination of all commitments to lend
thereunder and the release of all Liens securing such obligations and any other
obligations secured thereby contemporaneously with the proceeds of the initial
funding under this Agreement.

          (r) The Administrative Agent shall have received evidence reasonably
satisfactory to Administrative Agent of the payment in full of all amounts due
under the Existing Credit Agreements, the termination of all commitments to lend
thereunder and the release of all

                                       40

<PAGE>

Liens securing such obligations and any other obligations secured thereby
contemporaneously with the proceeds of the initial funding under this Agreement.

          (s) The Administrative Agent shall have received such other documents
as the Administrative Agent or special counsel to the Administrative Agent may
reasonably request.

          The Administrative Agent shall notify the Borrower and the Lenders of
the Effective Date, and such notice shall be conclusive and binding.
Notwithstanding the foregoing, the obligations of the Lenders to make Loans and
of each Issuing Bank to issue Letters of Credit hereunder shall not become
effective unless each of the foregoing conditions is satisfied (or waived
pursuant to Section 12.02) at or prior to 1:00 p.m., Houston time, on March 15,
2006 (and, in the event such conditions are not so satisfied or waived, the
Commitments shall terminate at such time).

     Section 6.02 Each Credit Event. The obligation of each Lender to make a
Loan on the occasion of any Borrowing (including the initial funding), and of
each Issuing Bank to issue, amend, renew or extend any Letter of Credit, is
subject to the satisfaction of the following conditions:

          (a) At the time of and immediately after giving effect to such
Borrowing or the issuance, amendment, renewal or extension of such Letter of
Credit, as applicable, no Default shall have occurred and be continuing.

          (b) At the time of and immediately after giving effect to such
Borrowing or the issuance, amendment, renewal or extension of such Letter of
Credit, as applicable, no Material Adverse Effect shall have occurred.

          (c) The representations and warranties of the Borrower and the
Guarantors, if any, set forth in this Agreement and in the other Loan Documents
shall be true and correct on and as of the date of such Borrowing or the date of
issuance, amendment, renewal or extension of such Letter of Credit, as
applicable, except to the extent any such representations and warranties are
expressly limited to an earlier date, in which case, on and as of the date of
such Borrowing or the date of issuance, amendment, renewal or extension of such
Letter of Credit, as applicable, such representations and warranties shall
continue to be true and correct as of such specified earlier date.

          (d) The making of such Loan or the issuance, amendment, renewal or
extension of such Letter of Credit, as applicable, would not conflict with, or
cause any Lender or any Issuing Bank to violate or exceed, any applicable
Governmental Requirement, and no Change in Law shall have occurred, and no
litigation shall be pending or threatened, which does or, with respect to any
threatened litigation, seeks to, enjoin, prohibit or restrain, the making or
repayment of any Loan, the issuance, amendment, renewal, extension or repayment
of any Letter of Credit or any participations therein or the consummation of the
transactions contemplated by this Agreement or any other Loan Document.

          (e) The receipt by the Administrative Agent of a Borrowing Request in
accordance with Section 2.03 or a request for a Letter of Credit in accordance
with Section 2.08(b), as applicable.

Each request for a Borrowing and each issuance, amendment, renewal or extension
of any Letter of Credit shall be deemed to constitute a representation and
warranty by the Borrower on the date thereof as to the matters specified in
Section 6.02(a) through (e).

                                       41

<PAGE>

                                   ARTICLE VII
                         REPRESENTATIONS AND WARRANTIES

     The Borrower represents and warrants to the Lenders that:

     Section 7.01 Organization; Powers. Each of the Borrower and its
Subsidiaries is duly organized, validly existing and, if applicable, in good
standing under the laws of the jurisdiction of its organization, has all
requisite power and authority, and has all material governmental licenses,
authorizations, consents and approvals necessary, to own its assets and to carry
on its business as now conducted, and is qualified to do business in, and is in
good standing in, every jurisdiction where such qualification is required,
except where failure to have such power, authority, licenses, authorizations,
consents, approvals and qualifications could not reasonably be expected to have
a Material Adverse Effect.

     Section 7.02 Authority; Enforceability. The Transactions are within the
Borrower's and each Guarantor's corporate powers and have been duly authorized
by all necessary corporate and, if required, member action (including, without
limitation, any action required to be taken by any class of directors of the
Borrower or any other Person, whether interested or disinterested, in order to
ensure the due authorization of the Transactions). When executed and delivered,
each Loan Document to which the Borrower and any Guarantor is a party will have
been duly executed and delivered by the Borrower and such Guarantor and will
constitute a legal, valid and binding obligation of the Borrower and such
Guarantor, as applicable, enforceable in accordance with its terms, subject to
applicable bankruptcy, insolvency, reorganization, moratorium or other laws
affecting creditors' rights generally and subject to general principles of
equity, regardless of whether considered in a proceeding in equity or at law.

     Section 7.03 Approvals; No Conflicts. The Transactions (a) do not require
any consent or approval of, registration or filing with, or any other action by,
any Governmental Authority or any other third Person (including the members or
any class of directors of the Borrower or any other Person, whether interested
or disinterested), nor is any such consent, approval, registration, filing or
other action necessary for the validity or enforceability of any Loan Document
or the consummation of the transactions contemplated thereby, except such as
have been obtained or made and are in full force and effect, and except for the
filing and recording of Security Instruments to perfect the Liens created
hereby, (b) will not violate any applicable law or regulation or the charter,
by-laws or other organizational documents of the Borrower or any of its
Subsidiaries or any order of any Governmental Authority, (c) will not violate or
result in a default under any indenture, agreement or other instrument binding
upon the Borrower or any of its Subsidiaries or their Properties, or give rise
to a right thereunder to require any payment to be made by the Borrower or such
Subsidiary and (d) will not result in the creation or imposition of any Lien on
any Property of the Borrower or any of its Subsidiaries (other than the Liens
created by the Loan Documents).

     Section 7.04 Financial Position; No Material Adverse Change.

          (a) The Borrower has heretofore furnished to the Lenders the unaudited
pro forma financial statements of Borrower ended December 31, 2004 and the nine
month ended September 30, 2005, and the combined historical financial statements
for the Moriah Group as of September 30, 2005. Such financial statements present
fairly, in all material respects, the financial position and results of
operations and cash flows of Borrower and the Moriah Group as of such dates and
for such periods in accordance with GAAP.

                                       42

<PAGE>

          (b) Since September 30, 2005, (i) there has been no event, development
or circumstance that has had or could reasonably be expected to have a Material
Adverse Effect and (ii) the business of the Borrower and its Subsidiaries has
been conducted only in the ordinary course consistent with past business
practices.

          (c) Neither the Borrower nor any of its Subsidiaries has on the date
hereof any material Debt (including Disqualified Capital Stock), or any
contingent liabilities, off-balance sheet liabilities or partnerships,
liabilities for taxes, unusual forward or long-term commitments or unrealized or
anticipated losses from any unfavorable commitments, except as referred to or
reflected or provided for in the Financial Statements.

     Section 7.05 Litigation. Except as set forth on Schedule 7.05, there are no
actions, suits, investigations or proceedings by or before any arbitrator or
Governmental Authority pending against or, to the knowledge of the Borrower,
threatened against or affecting the Borrower or any of its Subsidiaries (a) as
to which there is a reasonable possibility of an adverse determination that, if
adversely determined, could reasonably be expected, individually or in the
aggregate, to result in a Material Adverse Effect or (b) that involve any Loan
Document or the Transactions. Since the date of this Agreement, there has been
no change in the status of the matters disclosed in Schedule 7.05 that,
individually or in the aggregate, has resulted in, or materially increased the
likelihood of, a Material Adverse Effect.

     Section 7.06 Environmental Matters. Except as could not be reasonably
expected to have a Material Adverse Effect (or with respect to (c), (d) and (e)
below, where the failure to take such actions could not be reasonably expected
to have a Material Adverse Effect):

          (a) neither any Property of the Borrower or any of its Subsidiaries
nor the operations conducted thereon violate any order or requirement of any
court or Governmental Authority or any Environmental Laws.

          (b) no Property of the Borrower or any of its Subsidiaries nor the
operations currently conducted thereon or, to the knowledge of the Borrower, by
any prior owner or operator of such Property or operation, are in violation of
or subject to any existing, pending or threatened action, suit, investigation,
inquiry or proceeding by or before any court or Governmental Authority or to any
remedial obligations under Environmental Laws.

          (c) all notices, permits, licenses, exemptions, approvals or similar
authorizations, if any, required to be obtained or filed in connection with the
operation or use of any and all Property of the Borrower and each of its
Subsidiaries, including, without limitation, past or present treatment, storage,
disposal or release of a hazardous substance, oil and gas waste or solid waste
into the environment, have been duly obtained or filed or requested, and the
Borrower and each of its Subsidiaries are in compliance with the terms and
conditions of all such notices, permits, licenses and similar authorizations.

          (d) all hazardous substances, solid waste and oil and gas waste, if
any, generated at any and all Property of the Borrower or any of its
Subsidiaries have in the past been transported, treated and disposed of in
accordance with Environmental Laws and so as not to pose an imminent and
substantial endangerment to public health or welfare or the environment, and, to
the knowledge of the Borrower, all such transport carriers and treatment and
disposal facilities have been and are operating in compliance with Environmental
Laws and so as not to pose an imminent and substantial

                                       43

<PAGE>

endangerment to public health or welfare or the environment, and are not the
subject of any existing, pending or threatened action, investigation or inquiry
by any Governmental Authority in connection with any Environmental Laws.

          (e) the Borrower has taken all steps reasonably necessary to determine
and has determined that no oil, hazardous substances, solid waste or oil and gas
waste, have been disposed of or otherwise released and there has been no
threatened release of any oil, hazardous substances, solid waste or oil and gas
waste on or to any Property of the Borrower or any of its Subsidiaries except in
compliance with Environmental Laws and so as not to pose an imminent and
substantial endangerment to public health or welfare or the environment.

          (f) to the extent applicable, all Property of the Borrower and each of
its Subsidiaries currently satisfies all design, operation, and equipment
requirements imposed by the OPA, and the Borrower does not have any reason to
believe that such Property, to the extent subject to the OPA, will not be able
to maintain compliance with the OPA requirements during the term of this
Agreement.

          (g) neither the Borrower nor any of its Subsidiaries has any known
contingent liability or Remedial Work in connection with any release or
threatened release of any oil, hazardous substance, solid waste or oil and gas
waste into the environment.

     Section 7.07 Compliance with the Laws and Agreements; No Defaults.

          (a) Each of the Borrower and its Subsidiaries is in compliance with
all Governmental Requirements applicable to it or its Property and all
agreements and other instruments binding upon it or its Property, and possesses
all licenses, permits, franchises, exemptions, approvals and other
authorizations granted by Governmental Authorities necessary for the ownership
of its Property and the present conduct of its business, except where the
failure to do so, individually or in the aggregate, could not reasonably be
expected to result in a Material Adverse Effect.

          (b) Neither the Borrower nor any of its Subsidiaries is in default nor
has any event or circumstance occurred which, but for the expiration of any
applicable grace period or the giving of notice, or both, would constitute a
default or would require the Borrower or any of its Subsidiaries to Redeem or
make any offer to Redeem all or any portion of any Debt outstanding under any
indenture, note, credit agreement or instrument pursuant to which any Material
Indebtedness is outstanding or by which the Borrower or any of its Subsidiaries
or any of their Properties is bound.

          (c) No Default has occurred and is continuing.

     Section 7.08 Investment Company Act. Neither the Borrower nor any of its
Subsidiaries is an "investment company" or a company "controlled" by an
"investment company," within the meaning of, or subject to regulation under, the
Investment Company Act of 1940, as amended.

                                       44

<PAGE>

     Section 7.9 Taxes. Each of the Borrower and its Subsidiaries has timely
filed or caused to be filed all Tax returns and reports required to have been
filed and has paid or caused to be paid all Taxes required to have been paid by
it, except (a) Taxes that are being contested in good faith by appropriate
proceedings and for which the Borrower or such Subsidiary, as applicable, has
set aside on its books adequate reserves in accordance with GAAP or (b) to the
extent that the failure to do so could not reasonably be expected to result in a
Material Adverse Effect. The charges, accruals and reserves on the books of the
Borrower and its Subsidiaries in respect of Taxes and other governmental charges
are, in the reasonable opinion of the Borrower, adequate. No Tax Lien has been
filed and, to the knowledge of the Borrower, no claim is being asserted with
respect to any such Tax or other such governmental charge.

     Section 7.10 ERISA.

          (a) The Borrower, its Subsidiaries and each ERISA Affiliate have
complied in all material respects with ERISA and, where applicable, the Code
regarding each Plan, if any.

          (b) Each Plan, if any, is, and has been, maintained in substantial
compliance with ERISA and, where applicable, the Code.

          (c) No act, omission or transaction has occurred that could result in
imposition on the Borrower, any of its Subsidiaries or any ERISA Affiliate
(whether directly or indirectly) of (i) either a civil penalty assessed pursuant
to subsections (c), (i) or (l) of section 502 of ERISA or a tax imposed pursuant
to Chapter 43 of Subtitle D of the Code or (ii) breach of fiduciary duty
liability damages under section 409 of ERISA.

          (d) No Plan (other than a defined contribution plan) or any trust
created under any such Plan has been terminated since September 2, 1974. No
liability to the PBGC (other than for the payment of current premiums which are
not past due) by the Borrower, any of its Subsidiaries or any ERISA Affiliate
has been or is expected by the Borrower, any of its Subsidiaries or any ERISA
Affiliate to be incurred with respect to any Plan. No ERISA Event with respect
to any Plan has occurred.

          (e) Full payment when due has been made of all amounts which the
Borrower, any of its Subsidiaries or any ERISA Affiliate is required under the
terms of each Plan, if any, or applicable law to have paid as contributions to
such Plan as of the date hereof, and no accumulated funding deficiency (as
defined in section 302 of ERISA and section 412 of the Code), whether or not
waived, exists with respect to any Plan.

          (f) The actuarial present value of the benefit liabilities under each
Plan, if any, which is subject to Title IV of ERISA does not, as of the end of
the Borrower's most recently ended fiscal year, exceed the current value of the
assets (computed on a plan termination basis in accordance with Title IV of
ERISA) of such Plan allocable to such benefit liabilities. The term "actuarial
present value of the benefit liabilities" shall have the meaning specified in
section 4041 of ERISA.

          (g) Neither the Borrower, its Subsidiaries nor any ERISA Affiliate
sponsors, maintains, or contributes to an employee welfare benefit plan, as
defined in section 3(1) of ERISA, including, without limitation, any such plan
maintained to provide benefits to former employees of

                                       45

<PAGE>

such entities, that may not be terminated by the Borrower, any of its
Subsidiaries or any ERISA Affiliate in its sole discretion at any time without
any material liability.

          (h) Neither the Borrower, its Subsidiaries nor any ERISA Affiliate
sponsors, maintains or contributes to, or has at any time in the six-year period
preceding the date hereof sponsored, maintained or contributed to, any
Multiemployer Plan.

          (i) Neither the Borrower, its Subsidiaries nor any ERISA Affiliate is
required to provide security under section 401(a)(29) of the Code due to a Plan
amendment that results in an increase in current liability for the Plan.

     Section 7.11 Disclosure; No Material Misstatements. As set forth on
Schedule 7.12, the Borrower has disclosed to the Lenders all agreements,
instruments and corporate or other restrictions to which it or any of its
Subsidiaries is subject, and all other matters known to it, that, individually
or in the aggregate, could reasonably be expected to result in a Material
Adverse Effect. None of the reports, financial statements, certificates or other
information furnished by or on behalf of the Borrower or any of its Subsidiaries
to the Administrative Agent or any Lender or any of their Affiliates in
connection with the negotiation of this Agreement or any other Loan Document or
delivered hereunder or under any other Loan Document (as modified or
supplemented by other information so furnished) contains any material
misstatement of fact or omits to state any material fact necessary to make the
statements therein, in the light of the circumstances under which they were
made, not misleading; provided that, with respect to projected financial
information, the Borrower represents only that such information was prepared in
good faith based upon assumptions believed to be reasonable at the time. There
is no fact peculiar to the Borrower or any of its Subsidiaries that could
reasonably be expected to have a Material Adverse Effect or in the future is
reasonably likely to have a Material Adverse Effect and which has not been set
forth in this Agreement or the Loan Documents or the other documents,
certificates and statements furnished to the Administrative Agent or the Lenders
by or on behalf of the Borrower or any of its Subsidiaries prior to, or on, the
date hereof in connection with the transactions contemplated hereby. There are
no statements or conclusions in any Reserve Report which are based upon or
include misleading information or fail to take into account material information
regarding the matters reported therein.

     Section 7.12 Insurance. The Borrower has, and has caused all of its
Subsidiaries to have, (a) all insurance policies sufficient for the compliance
by each of them with all material Governmental Requirements and all material
agreements and (b) insurance coverage in at least amounts and against such risk
(including, without limitation, public liability) that are usually insured
against by companies similarly situated and engaged in the same or a similar
business for the assets and operations of the Borrower and its Subsidiaries. The
Administrative Agent and the Lenders have been named as additional insureds in
respect of such liability insurance policies and the Administrative Agent has
been named as loss payee with respect to Property loss insurance.

     Section 7.13 Restriction on Liens. Neither the Borrower nor any of its
Subsidiaries is a party to any material agreement or arrangement, or subject to
any order, judgment, writ or decree, which either restricts or purports to
restrict its ability to grant Liens to the Administrative Agent and the Lenders
on or in respect of their Properties to secure the Indebtedness and the Loan
Documents.

     Section 7.14 Subsidiaries. Except as set forth on Schedule 7.15 or as
disclosed in writing to the Administrative Agent (which shall promptly furnish a
copy to the Lenders), which shall be a

                                       46

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supplement to Schedule 7.15, the Borrower has no Subsidiaries. The Borrower has
no Foreign Subsidiaries.

     Section 7.15 Location of Business and Offices. The Borrower's jurisdiction
of organization is Delaware; the name of the Borrower as listed in the public
records of its jurisdiction of organization is Legacy Reserves LP, and the
organizational identification number of the Borrower in its jurisdiction of
organization is 4038949 (or as set forth in a notice delivered to the
Administrative Agent pursuant to Section 8.01(m) in accordance with Section
12.01). The Borrower's principal place of business and chief executive offices
are located at the address specified in Section 12.01 (or as set forth in a
notice delivered pursuant to Section 8.01(m) and Section 12.01(c)). Each
Subsidiary's jurisdiction of organization, name as listed in the public records
of its jurisdiction of organization, organizational identification number in its
jurisdiction of organization, and the location of its principal place of
business and chief executive office is stated on Schedule 7.15 (or as set forth
in a notice delivered pursuant to Section 8.01(m)).

     Section 7.16 Properties; Titles, Etc.

          (a) Each of the Borrower and its Subsidiaries has good and defensible
title to its Oil and Gas Properties evaluated in the most recently delivered
Reserve Report and good title to all its personal Properties, in each case, free
and clear of all Liens except Liens permitted by Section 9.03. After giving full
effect to the Excepted Liens, the Borrower or any of its Subsidiaries specified
as the owner owns the net interests in production attributable to the
Hydrocarbon Interests as reflected in the most recently delivered Reserve
Report, and the ownership of such Properties shall not in any material respect
obligate the Borrower or any of its Subsidiaries to bear the costs and expenses
relating to the maintenance, development and operations of each such Property in
an amount in excess of the working interest of each Property set forth in the
most recently delivered Reserve Report that is not offset by a corresponding
proportionate increase in the Borrower's or any of its Subsidiaries' net revenue
interest in such Property.

          (b) All material leases and agreements necessary for the present
conduct of the business of the Borrower and its Subsidiaries are valid and
subsisting, in full force and effect, and there exists no default or event or
circumstance which with the giving of notice or the passage of time or both
would give rise to a default under any such lease or leases, which could
reasonably be expected to have a Material Adverse Effect.

          (c) The rights and Properties presently owned, leased or licensed by
the Borrower and its Subsidiaries including, without limitation, all easements
and rights of way, include all rights and Properties necessary to permit the
Borrower and its Subsidiaries to conduct their business in all material respects
as of the date hereof.

          (d) All of the material Properties of the Borrower and each of its
Subsidiaries that are reasonably necessary for the operation of their businesses
are in good working condition and are maintained in accordance with prudent
business standards.

          (e) The Borrower and each of its Subsidiaries owns, or is licensed to
use, all trademarks, tradenames, copyrights, patents and other intellectual
Property material to its business, and the use thereof by the Borrower and such
Subsidiary does not infringe upon the rights of any other Person, except for any
such infringements that, individually or in the aggregate, could not reasonably
be expected to result in a Material Adverse Effect. The Borrower and its
Subsidiaries

                                       47

<PAGE>

either own or have valid licenses or other rights to use all databases,
geological data, geophysical data, engineering data, seismic data, maps,
interpretations and other technical information used in their businesses as
presently conducted, subject to the limitations contained in the agreements
governing the use of the same, which limitations are customary for companies
engaged in the business of the exploration and production of Hydrocarbons, with
such exceptions as could not reasonably be expected to have a Material Adverse
Effect.

     Section 7.17 Maintenance of Properties. Except for such acts or failures to
act as could not be reasonably expected to have a Material Adverse Effect, the
Oil and Gas Properties (and Properties unitized therewith) have been maintained,
operated and developed in a good and workmanlike manner and in conformity with
all Government Requirements and in conformity with the provisions of all leases,
subleases or other contracts comprising a part of the Hydrocarbon Interests and
other contracts and agreements forming a part of the Oil and Gas Properties.
Specifically in connection with the foregoing, except as could not reasonably be
expected to have a Material Adverse Effect, (a) no Oil and Gas Property is
subject to having allowable production reduced below the full and regular
allowable (including the maximum permissible tolerance) because of any
overproduction (whether or not the same was permissible at the time) and (b)
none of the wells comprising a part of the Oil and Gas Properties (or Properties
unitized therewith) is deviated from the vertical more than the maximum
permitted by Government Requirements, and such wells are, in fact, bottomed
under and are producing from, and the well bores are wholly within, the Oil and
Gas Properties (or in the case of wells located on Properties unitized
therewith, such unitized Properties). All pipelines, wells, gas processing
plants, platforms and other material improvements, fixtures and equipment owned
in whole or in part by the Borrower or any of its Subsidiaries that are
necessary to conduct normal operations are being maintained in a state adequate
to conduct normal operations, and with respect to such of the foregoing which
are operated by the Borrower or any of its Subsidiaries, in a manner consistent
with the Borrower's or its Subsidiaries' past practices (other than those the
failure of which to maintain in accordance with this Section 7.17 could not
reasonably be expect to have a Material Adverse Effect).

     Section 7.18 Gas Imbalances, Prepayments. As of the date hereof, except as
set forth on Schedule 7.18 or on the most recent certificate delivered pursuant
to Section 8.12(c), on a net basis there are no gas imbalances, take or pay or
other prepayments which would require the Borrower or any of its Subsidiaries to
deliver, in the aggregate, two percent (2%) or more of the monthly production
from Hydrocarbons produced from the Oil and Gas Properties at some future time
without then or thereafter receiving full payment therefor.

     Section 7.19 Marketing of Production. Except for contracts listed and in
effect on the date hereof on Schedule 7.19, and thereafter either disclosed in
writing to the Administrative Agent or included in the most recently delivered
Reserve Report (with respect to all of which contracts the Borrower represents
that it or its Subsidiaries are receiving a price for all production sold
thereunder which is computed substantially in accordance with the terms of the
relevant contract and are not having deliveries curtailed substantially below
the subject Property's delivery capacity), no material agreements exist which
are not cancelable on 60 days notice or less without penalty or detriment for
the sale of production from the Borrower's or its Subsidiaries' Hydrocarbons
(including, without limitation, calls on or other rights to purchase,
production, whether or not the same are currently being exercised) that (a)
pertain to the sale of production at a fixed price and (b) have a maturity or
expiry date of more than six (6) months from the date hereof.

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     Section 7.20 Swap Agreements. Schedule 7.20, as of the date hereof, and
after the date hereof, each report required to be delivered by the Borrower
pursuant to Section 8.01(e), sets forth, a true and complete list of all Swap
Agreements of the Borrower and each of its Subsidiaries, the material terms
thereof (including the type, term, effective date, termination date and notional
amounts or volumes), the net marked-to-market value thereof, all credit support
agreements relating thereto (including any margin required or supplied) and the
counterparty to each such agreement.

     Section 7.21 Use of Loans and Letters of Credit. The proceeds of the Loans
and the Letters of Credit shall be used (a) to refinance the existing debt of
the Borrower (including the Subordinated Debt), (b) for the acquisition,
exploration and development of oil and gas properties, (c) for the issuance of
Letters of Credit, (d) for any distribution advances of Available Cash, provided
that if the Borrowing Base Utilization Percentage is equal to or exceeds 90%
before or after giving effect to the requested Loan or Letter of Credit, then no
proceeds of any Loan or any Letter of Credit may be used to fund Restricted
Payments under Section 9.04, and (e) for general corporate purposes. The
Borrower and its Subsidiaries are not engaged principally, or as one of its or
their important activities, in the business of extending credit for the purpose,
whether immediate, incidental or ultimate, of buying or carrying margin stock
(within the meaning of Regulation T, U or X of the Board). No part of the
proceeds of any Loan or Letter of Credit will be used for any purpose which
violates the provisions of Regulations T, U or X of the Board.

     Section 7.22 Solvency. After giving effect to the transactions contemplated
hereby, (a) the aggregate assets (after giving effect to amounts that could
reasonably be received by reason of indemnity, offset, insurance or any similar
arrangement), at a fair valuation, of the Borrower and the Guarantors, taken as
a whole, will exceed the aggregate Debt of the Borrower and the Guarantors on a
consolidated basis, as the Debt becomes absolute and matures, (b) each of the
Borrower and the Guarantors will not have incurred or intended to incur, and
will not believe that it will incur, Debt beyond its ability to pay such Debt
(after taking into account the timing and amounts of cash to be received by each
of the Borrower and the Guarantors and the amounts to be payable on or in
respect of its liabilities, and giving effect to amounts that could reasonably
be received by reason of indemnity, offset, insurance or any similar
arrangement) as such Debt becomes absolute and matures and (c) each of the
Borrower and the Guarantors will not have (and will have no reason to believe
that it will have thereafter) unreasonably small capital for the conduct of its
business.

                                  ARTICLE VIII
                              AFFIRMATIVE COVENANTS

     Until the Commitments have expired or been terminated and the principal of
and interest on each Loan and all fees payable hereunder and all other amounts
payable under the Loan Documents shall have been paid in full and all Letters of
Credit shall have expired or terminated and all LC Disbursements shall have been
reimbursed, the Borrower covenants and agrees with the Lenders that:

     Section 8.01 Financial Statements; Ratings Change; Other Information. The
Borrower will furnish to the Administrative Agent and each Lender:

          (a) Annual Financial Statements. As soon as available, but in any
event not later than 90 days after the end of each fiscal year, the Borrower's
audited consolidated balance sheet and related statements of operations,
members' equity and cash flows as of the end of and for such year, setting forth
in each case in comparative form the figures for the previous fiscal year, all
reported on by independent public accountants of recognized national standing
and reasonably acceptable to the

                                       49

<PAGE>

Administrative Agent (without a "going concern" or like qualification or
exception and without any qualification or exception as to the scope of such
audit) to the effect that such consolidated financial statements present fairly
in all material respects the financial position and results of operations of the
Borrower and its Consolidated Subsidiaries on a consolidated basis in accordance
with GAAP consistently applied.

          (b) Quarterly Financial Statements. As soon as available, but in any
event not later than 45 days after the end of each of the first three fiscal
quarters of each fiscal year of the Borrower, its consolidated balance sheet and
related statements of operations, members' equity and cash flows as of the end
of and for such quarter and the then elapsed portion of the fiscal year, setting
forth in each case in comparative form the figures for the corresponding period
or periods of (or, in the case of the balance sheet, as of the end of) the
previous fiscal year, all certified by a Financial Officer as presenting fairly
in all material respects the financial position and results of operations of the
Borrower and its Consolidated Subsidiaries on a consolidated basis in accordance
with GAAP consistently applied, subject to normal year-end audit adjustments and
the absence of footnotes.

          (c) Certificate of Financial Officer -- Compliance. Concurrently with
any delivery of financial statements under Section 8.01(a) or Section 8.01(b), a
certificate of a Financial Officer in substantially the form of Exhibit B hereto
(i) certifying as to whether a Default has occurred and, if a Default has
occurred, specifying the details thereof and any action taken or proposed to be
taken with respect thereto, (ii) setting forth reasonably detailed calculations
demonstrating compliance with Section 9.01 and (iii) stating whether any change
in GAAP or in the application thereof has occurred since the Effective Date and,
if any such change has occurred, specifying the effect of such change on the
financial statements accompanying such certificate.

          (d) Certificate of Accounting Firm -- Defaults. Concurrently with any
delivery of financial statements under Section 8.01(a), a certificate of the
accounting firm that reported on such financial statements stating whether they
obtained knowledge during the course of their examination of such financial
statements of any Default (which certificate may be limited to the extent
required by accounting rules or guidelines).

          (e) Certificate of Financial Officer - Swap Agreements. Concurrently
with any delivery of financial statements under Section 8.01(a) and Section
8.01(b), a certificate of a Financial Officer, in form and substance
satisfactory to the Administrative Agent, setting forth as of the last Business
Day of such calendar month or fiscal year, a true and complete list of all Swap
Agreements of the Borrower and each of its Subsidiaries, the material terms
thereof (including the type, term, effective date, termination date and notional
amounts or volumes), the net mark-to-market value therefor, any new credit
support agreements relating thereto not listed on Schedule 7.21, any margin
required or supplied under any credit support document, and the counterparty to
each such agreement.

          (f) Certificate of Insurer - Insurance Coverage. Concurrently with any
delivery of financial statements under Section 8.01(a), a certificate of
insurance coverage from each insurer with respect to the insurance required by
Section 8.07, in form and substance satisfactory to the Administrative Agent,
and, if requested by the Administrative Agent or any Lender, all copies of the
applicable policies.

          (g) Other Accounting Reports. Promptly upon receipt thereof, a copy of
each other report or letter submitted to the Borrower or any of its Subsidiaries
by independent accountants

                                       50

<PAGE>

in connection with any annual, interim or special audit made by them of the
books of the Borrower or any such Subsidiary, and a copy of any response by the
Borrower or any such Subsidiary to such letter or report.

          (h) SEC and Other Filings; Reports to shareholders. Promptly after the
same become publicly available, copies of all periodic and other reports, proxy
statements and other materials filed by the Borrower or any Subsidiary with the
SEC, or with any national securities exchange, or distributed by the Borrower to
its shareholders generally, as the case may be.

          (i) Notices Under Material Instruments. Promptly after the furnishing
thereof, copies of any financial statement, report or notice furnished to or by
any Person pursuant to the terms of any preferred stock designation, indenture,
loan or credit or other similar agreement, other than this Agreement and not
otherwise required to be furnished to the Lenders pursuant to any other
provision of this Section 8.01.

          (j) Lists of Purchasers. Concurrently with the delivery of any Reserve
Report to the Administrative Agent pursuant to Section 8.12, a list of all
Persons purchasing Hydrocarbons from the Borrower or any of its Subsidiaries.

          (k) Notice of Sales of Oil and Gas Properties. In the event the
Borrower or any of its Subsidiaries intends to sell, transfer, assign or
otherwise dispose of any Oil or Gas Properties included in the most recently
delivered Reserve Report (or any Equity Interests in any Subsidiary owning
interests in such Oil and Gas Properties) during any period between two
successive Scheduled Redetermination Dates having a fair market value,
individually or in the aggregate, in excess of $250,000, prior written notice of
such disposition, the price thereof, the anticipated date of closing, and any
other details thereof requested by the Administrative Agent or any Lender.

          (l) Notice of Casualty Events. Prompt written notice, and in any event
within three Business Days, of the occurrence of any Casualty Event or the
commencement of any action or proceeding that could reasonably be expected to
result in a Casualty Event.

          (m) Information Regarding Borrower and Guarantors. Prompt written
notice (and in any event within thirty (30) days prior thereto) of any change
(i) in the Borrower or any Guarantor's corporate name or in any trade name used
to identify such Person in the conduct of its business or in the ownership of
its Properties, (ii) in the location of the Borrower or any Guarantor's chief
executive office or principal place of business, (iii) in the Borrower or any
Guarantor's identity or corporate structure or in the jurisdiction in which such
Person is incorporated or formed, (iv) in the Borrower or any Guarantor's
jurisdiction of organization or such Person's organizational identification
number in such jurisdiction of organization, and (v) in the Borrower or any
Guarantor's federal taxpayer identification number, if any.

          (n) Production Report and Lease Operating Statements. Within 30 days
after the end of each fiscal quarter, a report setting forth, for each calendar
month during the then-current fiscal year to date, the volume of production and
sales attributable to production (and the prices at which such sales were made
and the revenues derived from such sales) for each such calendar month from the
Oil and Gas Properties, and setting forth the related ad valorem, severance and
production taxes and lease operating expenses attributable thereto and incurred
for each such calendar month.

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          (o) Notices of Certain Changes. Promptly, but in any event within five
(5) Business Days after the execution thereof, copies of any amendment,
modification or supplement to the certificate or articles of incorporation,
by-laws, any preferred stock designation or any other organic document of the
Borrower or any of its Subsidiaries.

          (p) Annual Budget. Promptly, but in any event within 90 days after the
end of each fiscal year, a budget for the then current fiscal year, including a
pro forma balance sheet and income and cash flow projections.

          (q) Certificate of Financial Officer - Available Cash. As soon as
available, but in any event not later than 45 days after the end of each fiscal
quarter, commencing with the quarter ending on June 30, 2006, a certificate of a
financial officer (i) setting forth reasonably detailed calculations of
Available Cash with respect to such quarter and (ii) the distributions to
holders of Borrower's Equity Interests with respect to such quarter.

          (r) Other Requested Information. Promptly following any request
therefor, such other information regarding the operations, business affairs and
financial condition of the Borrower or any of its Subsidiaries (including,
without limitation, any Plan or Multiemployer Plan and any reports or other
information required to be filed under ERISA), or compliance with the terms of
this Agreement or any other Loan Document, as the Administrative Agent or any
Lender may reasonably request.

     Section 8.02 Notices of Material Events. The Borrower will furnish to the
Administrative Agent and each Lender, promptly after the Borrower obtains
knowledge thereof, written notice of the following:

          (a) the occurrence of any Default;

          (b) the filing or commencement of, or the threat in writing of, any
action, suit, investigation, arbitration or proceeding by or before any
arbitrator or Governmental Authority against or affecting the Borrower or any
Subsidiary thereof, or any material adverse development in any action, suit,
proceeding, investigation or arbitration (whether or not previously disclosed to
the Lenders), that, in either case, if adversely determined, could reasonably be
expected to result in liability in excess of $500,000;

          (c) the occurrence of any ERISA Event that, alone or together with any
other ERISA Events that have occurred, could reasonably be expected to result in
liability of the Borrower and its Subsidiaries in an aggregate amount exceeding
$500,000; and

          (d) any other development that results in, or could reasonably be
expected to result in, a Material Adverse Effect.

Each notice delivered under this Section 8.02 shall be accompanied by a
statement of a Responsible Officer setting forth the details of the event or
development requiring such notice and any action taken or proposed to be taken
with respect thereto.

     Section 8.03 Existence; Conduct of Business. The Borrower will, and will
cause each of its Subsidiaries to, do or cause to be done all things necessary
to preserve, renew and keep in full force and effect its legal existence and the
rights, licenses, permits, privileges and franchises material

                                       52

<PAGE>

to the conduct of its business and maintain, if necessary, its qualification to
do business in each other jurisdiction in which any of its Oil and Gas
Properties is located or the ownership of its Properties requires such
qualification, except where the failure to so qualify could not reasonably be
expected to have a Material Adverse Effect; provided that the foregoing shall
not prohibit any merger, consolidation, liquidation or dissolution permitted
under Section 9.12.

     Section 8.04 Payment of Obligations. The Borrower will, and will cause each
of its Subsidiaries to, pay its obligations, including Tax liabilities of the
Borrower and all of its Subsidiaries before the same shall become delinquent or
in default, except where (a) the validity or amount thereof is being contested
in good faith by appropriate proceedings, (b) the Borrower or such Subsidiary
has set aside on its books adequate reserves with respect thereto in accordance
with GAAP and (c) the failure to make payment pending such contest could not
reasonably be expected to result in a Material Adverse Effect or result in the
seizure or levy of any Property of the Borrower or any of its Subsidiaries.

     Section 8.05 Performance of Obligations under Loan Documents. The Borrower
will pay the Notes according to the reading, tenor and effect thereof, and the
Borrower will, and the Borrower will cause each of its Subsidiaries to do and
perform every act and discharge all of the obligations to be performed and
discharged by them under the Loan Documents, including, without limitation, this
Agreement, at the time or times and in the manner specified.

     Section 8.06 Operation and Maintenance of Properties. The Borrower will,
and will cause each of its Subsidiaries to:

          (a) operate its Oil and Gas Properties and other material Properties
or cause such Oil and Gas Properties and other material Properties to be
operated in a careful and efficient manner in accordance with the practices of
the industry and in compliance with all applicable contracts and agreements and
in compliance with all Governmental Requirements, including, without limitation,
applicable proration requirements and Environmental Laws, and all applicable
laws, rules and regulations of every other Governmental Authority from time to
time constituted to regulate the development and operation of its Oil and Gas
Properties and the production and sale of Hydrocarbons and other minerals
therefrom, except, in each case, where the failure to comply could not
reasonably be expected to have a Material Adverse Effect.

          (b) keep and maintain all Property material to the conduct of its
business in good working order and condition, ordinary wear and tear excepted
preserve, maintain and keep in good repair, working order and efficiency
(ordinary wear and tear excepted) all of its material Oil and Gas Properties and
other material Properties, including, without limitation, all material
equipment, machinery and facilities.

          (c) promptly pay and discharge, or make reasonable and customary
efforts to cause to be paid and discharged, all delay rentals, royalties,
expenses and indebtedness accruing under the leases or other agreements
affecting or pertaining to its Oil and Gas Properties and will do all other
things necessary to keep unimpaired their rights with respect thereto and
prevent any forfeiture thereof or default thereunder.

          (d) promptly perform or make reasonable and customary efforts to cause
to be performed, in accordance with industry standards and in all material
respects, the obligations

                                       53

<PAGE>

required by each and all of the assignments, deeds, leases, sub-leases,
contracts and agreements affecting its interests in its Oil and Gas Properties
and other material Properties.

          (e) to the extent the Borrower or one of its Subsidiaries is not the
operator of any Property, the Borrower shall use reasonable efforts to cause the
operator to comply with this Section 8.06.

     Section 8.07 Insurance. The Borrower will, and will cause each of its
Subsidiaries to, maintain, with financially sound and reputable insurance
companies, insurance in such amounts and against such risks as are customarily
maintained by companies engaged in the same or similar businesses operating in
the same or similar locations. The loss payable clauses or provisions in said
insurance policy or policies insuring any of the collateral for the Loans shall
be endorsed in favor of and made payable to the Administrative Agent as its
interests may appear and such policies shall name the Administrative Agent and
the Lenders as "additional insureds" and provide that the insurer will give at
least 30 days prior notice of any cancellation to the Administrative Agent.

     Section 8.08 Books and Records; Inspection Rights. The Borrower will, and
will cause each of its Subsidiaries to, keep proper books of record and account
in which full, true and correct entries are made of all dealings and
transactions in relation to its business and activities. The Borrower will, and
will cause each of its Subsidiaries to, permit any representatives designated by
the Administrative Agent or any Lender, upon reasonable prior notice, to visit
and inspect its Properties, to examine and make extracts from its books and
records, and to discuss its affairs, finances and condition with its officers
and independent accountants, all at such reasonable times and as often as
reasonably requested.

     Section 8.09 Compliance with Laws. The Borrower will, and will cause each
of its Subsidiaries to, comply with all laws, rules, regulations and orders of
any Governmental Authority applicable to them or their Property, except where
the failure to do so, individually or in the aggregate, could not reasonably be
expected to result in a Material Adverse Effect.

     Section 8.10 Environmental Matters.

          (a) The Borrower shall, and shall cause each of its Subsidiaries to:
(i) comply, and shall cause its Properties and operations and each of its
Subsidiaries and each Subsidiary's Properties and operations to comply, with all
applicable Environmental Laws, the breach of which could be reasonably expected
to have a Material Adverse Effect; (ii) not dispose of or otherwise release, and
shall cause each Subsidiary not to dispose of or otherwise release, any oil, oil
and gas waste, hazardous substance, or solid waste on, under, about or from any
of the Borrower's or its Subsidiaries' Properties or any other Property to the
extent caused by the Borrower's or any of its Subsidiaries' operations except in
compliance with applicable Environmental Laws, the disposal or release of which
could reasonably be expected to have a Material Adverse Effect; (iii) timely
obtain or file, and shall cause each of its Subsidiaries to timely obtain or
file, all notices, permits, licenses, exemptions, approvals, registrations or
other authorizations, if any, required under applicable Environmental Laws to be
obtained or filed in connection with the operation or use of the Borrower's or
its Subsidiaries' Properties, which failure to obtain or file could reasonably
be expected to have a Material Adverse Effect; (iv) promptly commence and
diligently prosecute to completion, and shall cause each of its Subsidiaries to
promptly commence and diligently prosecute to completion, any assessment,
evaluation, investigation, monitoring, containment, cleanup, removal, repair,
restoration, remediation or other remedial obligations (collectively, the
"Remedial Work") in the event any

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<PAGE>

Remedial Work is required or reasonably necessary under applicable Environmental
Laws because of or in connection with the actual or suspected past, present or
future disposal or other release of any oil, oil and gas waste, hazardous
substance or solid waste on, under, about or from any of the Borrower's or its
Subsidiaries' Properties, which failure to commence and diligently prosecute to
completion could reasonably be expected to have a Material Adverse Effect; and
(v) establish and implement, and shall cause each of its Subsidiaries to
establish and implement, such procedures as may be reasonably necessary to
continuously determine and assure that the Borrower's and its Subsidiaries'
obligations under this Section 8.10(a) are timely and fully satisfied, which
failure to establish and implement could reasonably be expected to have a
Material Adverse Effect.

          (b) The Borrower will promptly, but in no event later than five days
after the occurrence thereof, notify the Administrative Agent and the Lenders in
writing of any threatened action, investigation or inquiry by any Governmental
Authority or any threatened demand or lawsuit by any landowner or other third
party against the Borrower or its Subsidiaries or their Properties of which the
Borrower has knowledge in connection with any Environmental Laws (excluding
routine testing and corrective action) if the Borrower reasonably anticipates
that such action will result in liability (whether individually or in the
aggregate) in excess of $500,000, not fully covered by insurance, subject to
normal deductibles.

          (c) The Borrower will, and will cause each of its Subsidiaries to,
provide environmental audits and tests in accordance with American Society of
Testing Materials standards upon request by the Administrative Agent and the
Lenders (or as otherwise required to be obtained by the Administrative Agent or
the Lenders by any Governmental Authority), in connection with any future
acquisitions of Oil and Gas Properties or other material Properties.

     Section 8.11 Further Assurances.

          (a) The Borrower at its sole expense will, and will cause each of its
Subsidiaries to, promptly execute and deliver to the Administrative Agent all
such other documents, agreements and instruments reasonably requested by the
Administrative Agent to comply with, cure any defects or accomplish the
conditions precedent, covenants and agreements of the Borrower or any of its
Subsidiaries, as the case may be, in the Loan Documents, including the Notes, or
to further evidence and more fully describe the collateral intended as security
for the Indebtedness, or to correct any omissions in this Agreement or the
Security Instruments, or to state more fully the obligations secured therein, or
to perfect, protect or preserve any Liens created pursuant to this Agreement or
any of the Security Instruments or the priority thereof, or to make any
recordings, file any notices or obtain any consents, all as may be reasonably
necessary or appropriate, in the sole discretion of the Administrative Agent, in
connection therewith.

          (b) The Borrower hereby authorizes the Administrative Agent to file
one or more financing or continuation statements, and amendments thereto,
relative to all or any part of the Mortgaged Property without the signature of
the Borrower or any other Guarantor where permitted by law. A carbon,
photographic or other reproduction of the Security Instruments or any financing
statement covering the Mortgaged Property or any part thereof shall be
sufficient as a financing statement where permitted by law. The Administrative
Agent will promptly send the Borrower any financing or continuation statements
it files without the signature of the Borrower or any other Guarantor and the
Administrative Agent will promptly send the Borrower the filing or recordation
information with respect thereto.

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<PAGE>

     Section 8.12 Reserve Reports.

          (a) On or before March 1st and September 1st of each year, commencing
on the Effective Date, the Borrower shall furnish to the Administrative Agent
and the Lenders a Reserve Report as of the immediately preceding January 1 or
July 1, as applicable. The Reserve Report as of July 1 of each year shall be
prepared by one or more petroleum engineers reasonably acceptable to the
Administrative Agent and the January 1 Reserve Report of each year shall be
prepared by or under the supervision of the chief engineer of the Borrower who
shall certify such Reserve Report to be true and accurate and to have been
prepared in accordance with the procedures used in the immediately preceding
July 1 Reserve Report.

          (b) In the event of an Interim Redetermination, the Borrower shall
furnish to the Administrative Agent and the Lenders a Reserve Report prepared by
or under the supervision of the chief engineer of the Borrower who shall certify
such Reserve Report to be true and accurate and to have been prepared in
accordance with the procedures used in the immediately preceding January 1
Reserve Report. For any Interim Redetermination requested by the Administrative
Agent or the Borrower pursuant to Section 2.07(b), the Borrower shall provide
such Reserve Report with an "as of" date as required by the Administrative Agent
as soon as possible, but in any event no later than thirty (30) days following
the receipt of such request.

          (c) With the delivery of each Reserve Report, the Borrower shall
provide to the Administrative Agent and the Lenders a certificate from a
Responsible Officer certifying that in all material respects: (i) the
information contained in the Reserve Report and any other information delivered
in connection therewith is true and correct, (ii) the Borrower or its
Subsidiaries owns good and defensible title to the Oil and Gas Properties
evaluated in such Reserve Report and such Properties are free of all Liens
except for Liens permitted by Section 9.03, (iii) except as set forth on an
exhibit to the certificate, on a net basis there are no gas imbalances, take or
pay or other prepayments in excess of the volume specified in Section 7.18 with
respect to their Oil and Gas Properties evaluated in such Reserve Report that
would require the Borrower or any of its Subsidiaries to deliver Hydrocarbons
either generally or produced from such Oil and Gas Properties at some future
time without then or thereafter receiving full payment therefor, (iv) none of
their Oil and Gas Properties have been sold since the date of the last Borrowing
Base determination except as set forth on an exhibit to the certificate, which
certificate shall list all of its Oil and Gas Properties sold and in such detail
as reasonably required by the Administrative Agent, (v) attached to the
certificate is a list of all marketing agreements entered into subsequent to the
later of the date hereof or the most recently delivered Reserve Report that the
Borrower could reasonably be expected to have been obligated to list on Schedule
7.19 had such agreement been in effect on the date hereof and (vi) attached
thereto is a schedule of the Oil and Gas Properties evaluated by such Reserve
Report that are Mortgaged Properties and demonstrating the percentage of the
present value that such Mortgaged Properties represent.

     Section 8.13 Title Information.

          (a) On or before the delivery to the Administrative Agent and the
Lenders of each Reserve Report required by Section 8.12(a), to the extent
requested by the Administrative Agent, the Borrower will deliver title
information in form and substance acceptable to the Administrative Agent
covering enough of the Oil and Gas Properties evaluated by such Reserve Report
that were not included in the immediately preceding Reserve Report, so that the
Administrative Agent shall have received together with title information
previously delivered to the

                                       56

<PAGE>

Administrative Agent, satisfactory title information on at least 80% of the
total value of the Oil and Gas Properties evaluated by such Reserve Report.

          (b) If the Borrower has provided title information for additional
Properties under Section 8.13(a), the Borrower shall, within 60 days of notice
from the Administrative Agent that title defects or exceptions exist with
respect to such additional Properties, either (i) cure any such title defects or
exceptions (including defects or exceptions as to priority) which are not
permitted by Section 9.03 raised by such information, (ii) substitute acceptable
Mortgaged Properties with no title defects or exceptions except for Excepted
Liens (other than Excepted Liens described in clauses (e), (g) and (h) of such
definition) having an equivalent value or (iii) deliver title information in
form and substance reasonably acceptable to the Administrative Agent so that the
Administrative Agent shall have received, together with title information
previously delivered to the Administrative Agent, satisfactory title information
on at least 80% of the value of the Oil and Gas Properties evaluated by such
Reserve Report.

          (c) If the Borrower is unable to cure any title defect requested by
the Administrative Agent or the Lenders to be cured within the 60-day period or
the Borrower does not comply with the requirements to provide acceptable title
information covering 80% of the value of the Oil and Gas Properties evaluated in
the most recent Reserve Report, such default shall not be a Default, but instead
the Administrative Agent and/or the Majority Lenders shall have the right to
exercise the following remedy in their sole discretion from time to time, and
any failure to so exercise this remedy at any time shall not be a waiver as to
future exercise of the remedy by the Administrative Agent or the Lenders. To the
extent that the Administrative Agent or the Majority Lenders are not reasonably
satisfied with title to any Mortgaged Property after the 60-day period has
elapsed, such unacceptable Mortgaged Property shall not count towards the 80%
requirement, and the Administrative Agent may send a notice to the Borrower and
the Lenders that the then outstanding Borrowing Base shall be reduced by an
amount as determined by the Majority Lenders to cause the Borrower to be in
compliance with the requirement to provide acceptable title information on 80%
of the value of the Oil and Gas Properties. This new Borrowing Base shall become
effective immediately after receipt of such notice.

     Section 8.14 Additional Collateral; Additional Guarantors.

          (a) In connection with each redetermination of the Borrowing Base, the
Borrower shall review the Reserve Report and the list of current Mortgaged
Properties (as described in Section 8.12(c)(vi)) to ascertain whether the
Mortgaged Properties represent at least 80% of the total value of the Oil and
Gas Properties evaluated in the most recently completed Reserve Report after
giving effect to exploration and production activities, acquisitions,
dispositions and production. In the event that the Mortgaged Properties do not
represent at least 80% of such total value, then the Borrower shall, and shall
cause its Subsidiaries to, grant to the Administrative Agent or its designee as
security for the Indebtedness a first-priority Lien interest (provided the
Excepted Liens of the type described in clauses (a) to (d) and (f) of the
definition thereof may exist, but subject to the provisos at the end of such
definition) on additional Oil and Gas Properties not already subject to a Lien
of the Security Instruments such that after giving effect thereto, the Mortgaged
Properties will represent at least 80% of such total value. All such Liens will
be created and perfected by and in accordance with the provisions of deeds of
trust, security agreements and financing statements or other Security
Instruments, all in form and substance reasonably satisfactory to the
Administrative Agent or its designee and in sufficient executed (and
acknowledged where necessary or appropriate) counterparts for recording
purposes. In order to comply with the foregoing, if any Subsidiary places a Lien
on its

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<PAGE>

Oil and Gas Properties and such Subsidiary is not a Guarantor, then it shall
become a Guarantor and comply with Section 8.14(b).

          (b) In the event that (i) the Borrower determines that any Subsidiary
is a Material Domestic Subsidiary or (ii) any Domestic Subsidiary incurs or
guarantees any Debt, then the Borrower shall promptly cause such Subsidiary to
guarantee the Indebtedness pursuant to the Guaranty Agreement. In connection
with any such guaranty, the Borrower shall, or shall cause such Subsidiary to,
(A) execute and deliver a supplement to the Guaranty Agreement executed by such
Subsidiary, (B) pledge all of the Equity Interests of such Subsidiary
(including, without limitation, delivery of original stock certificates
evidencing the Equity Interests of such Subsidiary, together with an appropriate
undated stock powers for each certificate duly executed in blank by the
registered owner thereof) and (C) execute and deliver such other additional
closing documents, certificates and legal opinions as shall reasonably be
requested by the Administrative Agent or its designee.

     Section 8.15 ERISA Compliance. The Borrower will promptly furnish, and will
cause its Subsidiaries and any ERISA Affiliate to promptly furnish, to the
Administrative Agent (a) promptly after the filing thereof with the United
States Secretary of Labor, the Internal Revenue Service or the PBGC, copies of
each annual and other report with respect to each Plan, if any, or any trust
created thereunder, (b) immediately upon becoming aware of the occurrence of any
ERISA Event or of any "prohibited transaction," as described in section 406 of
ERISA or in section 4975 of the Code, in connection with any Plan or any trust
created thereunder, a written notice signed by the President or the principal
Financial Officer of the Borrower, its Subsidiaries or the ERISA Affiliate, as
the case may be, specifying the nature thereof, what action the Borrower, its
Subsidiaries or the ERISA Affiliate is taking or proposes to take with respect
thereto, and, when known, any action taken or proposed by the Internal Revenue
Service, the Department of Labor or the PBGC with respect thereto, and (c)
immediately upon receipt thereof, copies of any notice of the PBGC's intention
to terminate or to have a trustee appointed to administer any Plan. With respect
to each Plan, if any (other than a Multiemployer Plan), the Borrower will, and
the Borrower will cause each of its Subsidiaries and ERISA Affiliates to, (i)
satisfy in full and in a timely manner, without incurring any late payment or
underpayment charge or penalty and without giving rise to any lien, all of the
contribution and funding requirements of section 412 of the Code (determined
without regard to subsections (d), (e), (f) and (k) thereof) and of section 302
of ERISA (determined without regard to sections 303, 304 and 306 of ERISA), and
(ii) pay, or cause to be paid, to the PBGC in a timely manner, without incurring
any late payment or underpayment charge or penalty, all premiums required
pursuant to sections 4006 and 4007 of ERISA.

     Section 8.16 Marketing Activities. The Borrower will not, and will not
permit any of its Subsidiaries to, engage in marketing activities for any
Hydrocarbons or enter into any contracts related thereto other than (a)
contracts for the sale of Hydrocarbons scheduled or reasonably estimated to be
produced from their proved Oil and Gas Properties during the period of such
contract, (b) contracts for the sale of Hydrocarbons scheduled or reasonably
estimated to be produced from proved Oil and Gas Properties of third parties
during the period of such contract associated with the Oil and Gas Properties of
the Borrower and its Subsidiaries that the Borrower or one of its Subsidiaries
has the right to market pursuant to joint operating agreements, unitization
agreements or other similar contracts that are usual and customary in the oil
and gas business and (c) other contracts for the purchase and/or sale of
Hydrocarbons of third parties (i) which have generally offsetting provisions
(i.e. corresponding pricing mechanics, delivery dates and points and volumes)
such that no "position" is taken and (ii) for which appropriate credit support
has been taken to alleviate the material credit risks of the counterparty
thereto.

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                                   ARTICLE IX
                               NEGATIVE COVENANTS

     Until the Commitments have expired or been terminated and the principal of
and interest on each Loan and all fees payable hereunder and all other amounts
payable under the Loan Documents have been paid in full and all Letters of
Credit have expired or terminated and all LC Disbursements shall have been
reimbursed, the Borrower covenants and agrees with the Lenders that:

     Section 9.01 Financial Covenants.

          (a) Ratio of EBITDA to Interest Expense. The Borrower will not, as of
any date of determination, permit its ratio of EBITDA for the period of the four
most recently ended fiscal quarters to Interest Expense for such period to be
less than 2.5 to 1.0; provided, that (i) for the fiscal quarter ending June 30,
2006, EBITDA shall be EBITDA for such fiscal quarter multiplied by 4; (ii) for
the six-month period ending September 30, 2006, EBITDA shall be EBITDA for such
six-month period multiplied by 2; and (iii) for the nine-month period ending
December 31, 2006, EBITDA shall be EBITDA for such nine-month period multiplied
by 4/3.

          (b) Current Ratio. The Borrower will not permit, as of the last day of
any fiscal quarter, its ratio of (i) consolidated current assets (including the
unused amount of the total Commitments, but excluding non-cash assets under FAS
133) to (ii) consolidated current liabilities (excluding non-cash obligations
under FAS 133 and current maturities under this Agreement) to be less than 1.0
to 1.0.

     Section 9.02 Debt. Neither the Borrower nor any of its Subsidiaries will
incur, create, assume or suffer to exist any Debt, except:

          (a) the Notes or other Indebtedness arising under the Loan Documents
or any guaranty of or suretyship arrangement for the Notes or other Indebtedness
arising under the Loan Documents.

          (b) accounts payable and other accrued expenses, liabilities or other
obligations to pay (for the deferred purchase price of Property or services)
from time to time incurred in the ordinary course of business which are not
greater than ninety (90) days past the date of invoice or delinquent or which
are being contested in good faith by appropriate action and for which adequate
reserves have been maintained in accordance with GAAP.

          (c) intercompany Debt between the Borrower and any of its Subsidiaries
or between Subsidiaries to the extent permitted by Section 9.05(g); provided
that such Debt is not held, assigned, transferred, negotiated or pledged to any
Person other than the Borrower or one of their Wholly-Owned Subsidiaries, and,
provided further, that any such Debt owed by either the Borrower or a Guarantor
shall be subordinated to the Indebtedness on terms set forth in the Guaranty
Agreement.

          (d) endorsements of negotiable instruments for collection in the
ordinary course of business.

          (e) other Debt not to exceed $2,000,000 in the aggregate at any one
time outstanding.

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<PAGE>

     Section 9.03 Liens. Neither the Borrower nor any of its Subsidiaries will
create, incur, assume or permit to exist any Lien on any of its Properties (now
owned or hereafter acquired), except:

          (a) Liens securing the payment of any Indebtedness.

          (b) Excepted Liens.

          (c) Liens on Property not constituting collateral for the Indebtedness
and not otherwise permitted by the foregoing clauses of this Section 9.03;
provided that the aggregate principal or face amount of all Debt secured under
this Section 9.03(c) shall not exceed $100,000 at any time.

     Section 9.04 Dividends, Distributions and Redemptions. The Borrower will
not, and will not permit any of its Subsidiaries to, declare or make, or agree
to pay or make, directly or indirectly, any Restricted Payment, return any
capital to its stockholders or make any distribution of their Property to their
respective Equity Interest holders, except (a) the Borrower may declare and pay
dividends or distributions with respect to its Equity Interests payable solely
in additional shares of its Equity Interests (other than Disqualified Capital
Stock), (b) Subsidiaries may declare and pay dividends or distributions ratably
with respect to their Equity Interests, (c) after consummation of the Offering
so long as no Borrowing Base Deficiency, Default or Event of Default has
occurred and is continuing or would result therefrom, and, subject to the
proviso in Section 7.21(d), the Borrower may declare and pay quarterly cash
dividends to its partners of Available Cash in accordance with the Partnership
Agreement, and (d) Restricted Payments made contemporaneously with the Offering
(or the sale of common Equity Interests associated with any over-allotment
option granted in connection with the Offering) from the net cash proceeds of
sale of such Equity Interests.

     Section 9.05 Investments, Loans and Advances. Neither the Borrower nor any
of its Subsidiaries will make or permit to remain outstanding any Investments in
or to any Person, except that the foregoing restriction shall not apply to:

          (a) Investments reflected in the Financial Statements.

          (b) accounts receivable arising in the ordinary course of business.

          (c) direct obligations of the United States or any agency thereof, or
obligations guaranteed by the United States or any agency thereof, in each case
maturing within one year from the date of creation thereof.

          (d) commercial paper maturing within one year from the date of
creation thereof rated in the highest grade by S&P or Moody's.

          (e) deposits maturing within one year from the date of creation
thereof with, including certificates of deposit issued by, any Lender or any
office located in the United States of any other bank or trust company which is
organized under the laws of the United States or any state thereof, has capital,
surplus and undivided profits aggregating at least $250,000,000 (as of the date
of such bank or trust company's most recent financial reports) and has a short
term deposit rating of no lower than A2 or P2, as such rating is set forth from
time to time, by S&P or Moody's, respectively.

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<PAGE>

          (f) deposits in money market funds investing exclusively in
Investments described in Section 9.05(c), Section 9.05(d) or Section 9.05(e).

          (g) Investments (i) made by the Borrower in or to the Guarantors, (ii)
made by any Subsidiary in or to the Borrower or any Guarantor, and (iii) made by
the Borrower or any Guarantor in Subsidiaries that are not Guarantors, provided
that the aggregate of all Investments made by the Borrower and the Guarantors in
or to all Subsidiaries that are not Guarantors shall not exceed $2,000,000 at
any time, and only to the extent an Event of Default or Borrowing Base
Deficiency does not exist and would not result from making such Investments.

          (h) Investments (including, without limitation, capital contributions)
in general or limited partnerships or other types of entities (each a "venture")
entered into by the Borrower or any of its Subsidiaries with others in the
ordinary course of business; provided that (i) any such venture is engaged
exclusively in oil and gas exploration, development, production, processing and
related activities, including transportation, (ii) the interest in such venture
is acquired in the ordinary course of business and on fair and reasonable terms
and (iii) such venture interests acquired and capital contributions made (valued
as of the date such interest was acquired or the contribution made) do not
exceed, in the aggregate at any time outstanding an amount equal to $2,000,000,
and only to the extent an Event of Default or Borrowing Base Deficiency does not
exist and would not result from making such Investments.

          (i) subject to the limits in Section 9.06, Investments in direct
ownership interests in additional Oil and Gas Properties and gas gathering
systems related thereto or related to farm-out, farm-in, joint operating, joint
venture or area of mutual interest agreements, gathering systems, pipelines or
other similar arrangements which are usual and customary in the oil and gas
exploration and production business located within the geographic boundaries of
the United States of America, and only to the extent an Event of Default or
Borrowing Base Deficiency does not exist and would not result from making such
Investments.

          (j) loans or advances to employees, officers or directors in the
ordinary course of business of the Borrower or any of its Subsidiaries, in each
case only as permitted by applicable law, including Section 402 of the Sarbanes
Oxley Act of 2002, but in any event not to exceed $250,000 in the aggregate at
any time.

          (k) Investments in stock, obligations or securities received in
settlement of debts arising from Investments permitted under this Section 9.05
owing to the Borrower or any of its Subsidiaries as a result of a bankruptcy or
other insolvency proceeding of the obligor in respect of such debts or upon the
enforcement of any Lien in favor of the Borrower or any of its Subsidiaries;
provided that the Borrower shall give the Administrative Agent prompt written
notice in the event that the aggregate amount of all investments held at any one
time under this Section 9.05(i) exceeds $250,000.

     Section 9.06 Nature of Business. Neither the Borrower nor any of its
Subsidiaries will allow any material change to be made in the character of its
business as an independent oil and gas exploration and production company. The
Borrower will not, and will not permit any of its Subsidiaries to, operate its
business outside the geographical boundaries of the United States.

     Section 9.07 Limitation on Leases. Neither the Borrower nor any of its
Subsidiaries will create, incur, assume or suffer to exist any obligation for
the payment of rent or hire of Property of

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<PAGE>

any kind whatsoever (real or personal but excluding leases of Hydrocarbon
Interests), under leases or lease agreements which would cause the aggregate
amount of all payments made by the Borrower and its Subsidiaries pursuant to all
such leases or lease agreements, including, without limitation, any residual
payments at the end of any lease, to exceed $5,000,000 in any period of twelve
consecutive calendar months during the life of such leases.

     Section 9.08 Proceeds of Notes. The Borrower will not permit the proceeds
of the Notes to be used for any purpose other than those permitted by Section
7.21. Neither the Borrower nor any Person acting on behalf of the Borrower has
taken or will take any action which might cause any of the Loan Documents to
violate Regulations T, U or X or any other regulation of the Board or to violate
Section 7 of the Securities Exchange Act of 1934 or any rule or regulation
thereunder, in each case as now in effect or as the same may hereinafter be in
effect. If requested by the Administrative Agent, the Borrower will furnish to
the Administrative Agent and each Lender a statement to the foregoing effect in
conformity with the requirements of FR Form U-1 or such other form referred to
in Regulation U, Regulation T or Regulation X of the Board, as the case may be.

     Section 9.09 ERISA Compliance. The Borrower and its Subsidiaries will not
at any time:

          (a) engage in, or permit any ERISA Affiliate to engage in, any
transaction in connection with which the Borrower any of its Subsidiaries or any
ERISA Affiliate could be subjected to either a civil penalty assessed pursuant
to subsections (c), (i) or (l) of section 502 of ERISA or a tax imposed by
Chapter 43 of Subtitle D of the Code.

          (b) terminate, or permit any ERISA Affiliate to terminate, any Plan in
a manner, or take any other action with respect to any Plan, which could result
in any liability of the Borrower, any of its Subsidiaries or any ERISA Affiliate
to the PBGC.

          (c) fail to make, or permit any ERISA Affiliate to fail to make, full
payment when due of all amounts which, under the provisions of any Plan,
agreement relating thereto or applicable law, the Borrower, any of its
Subsidiaries or any ERISA Affiliate is required to pay as contributions thereto.

          (d) permit to exist, or allow any ERISA Affiliate to permit to exist,
any accumulated funding deficiency within the meaning of section 302 of ERISA or
section 412 of the Code, whether or not waived, with respect to any Plan.

          (e) permit, or allow any ERISA Affiliate to permit, the actuarial
present value of the benefit liabilities under any Plan maintained by the
Borrower, any of its Subsidiaries or any ERISA Affiliate which is regulated
under Title IV of ERISA to exceed the current value of the assets (computed on a
plan termination basis in accordance with Title IV of ERISA) of such Plan
allocable to such benefit liabilities. The term "actuarial present value of the
benefit liabilities" shall have the meaning specified in section 4041 of ERISA.

          (f) contribute to or assume an obligation to contribute to, or permit
any ERISA Affiliate to contribute to or assume an obligation to contribute to,
any Multiemployer Plan.

          (g) acquire, or permit any ERISA Affiliate to acquire, an interest in
any Person that causes such Person to become an ERISA Affiliate with respect to
the Borrower or any of its Subsidiaries or with respect to any ERISA Affiliate
of the Borrower or any of its Subsidiaries if such

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<PAGE>

Person sponsors, maintains or contributes to, or at any time in the six-year
period preceding such acquisition has sponsored, maintained, or contributed to,
(i) any Multiemployer Plan, or (ii) any other Plan that is subject to Title IV
of ERISA under which the actuarial present value of the benefit liabilities
under such Plan exceeds the current value of the assets (computed on a plan
termination basis in accordance with Title IV of ERISA) of such Plan allocable
to such benefit liabilities.

          (h) incur, or permit any ERISA Affiliate to incur, a liability to or
on account of a Plan under sections 515, 4062, 4063, 4064, 4201 or 4204 of
ERISA.

          (i) contribute to or assume an obligation to contribute to, or permit
any ERISA Affiliate to contribute to or assume an obligation to contribute to,
any employee welfare benefit plan, as defined in section 3(1) of ERISA,
including, without limitation, any such plan maintained to provide benefits to
former employees of such entities, that may not be terminated by such entities
in their sole discretion at any time without any material liability.

          (j) amend, or permit any ERISA Affiliate to amend, a Plan resulting in
an increase in current liability such that the Borrower, any of its Subsidiaries
or any ERISA Affiliate is required to provide security to such Plan under
section 401(a)(29) of the Code.

     Section 9.10 Sale or Discount of Receivables. Except for receivables
obtained by the Borrower or any of its Subsidiaries out of the ordinary course
of business or the settlement of joint interest billing accounts in the ordinary
course of business or discounts granted to settle collection of accounts
receivable or the sale of defaulted accounts arising in the ordinary course of
business in connection with the compromise or collection thereof and not in
connection with any financing transaction, neither the Borrower nor any of its
Subsidiaries will discount or sell (with or without recourse) any of its notes
receivable or accounts receivable.

     Section 9.11 Mergers, Etc. Neither the Borrower nor any of its Subsidiaries
will merge into or with or consolidate with any other Person, or sell, lease or
otherwise dispose of (whether in one transaction or in a series of transactions)
all or substantially all of its Property to any other Person, except that any
Wholly-Owned Subsidiary may merge with any other Wholly-Owned Subsidiary and
that the Borrower may merge with any Wholly-Owned Subsidiary so long as the
Borrower is the survivor.

     Section 9.12 Sale of Properties. The Borrower will not, and will not permit
any of its Subsidiaries to, sell, assign, farm-out, convey or otherwise transfer
any Property except for: (a) the sale of Hydrocarbons in the ordinary course of
business; (b) farmouts of undeveloped acreage and assignments in connection with
such farmouts; (c) the sale or transfer of equipment that is no longer necessary
for the business of the Borrower or such Subsidiary or is replaced by equipment
of at least comparable value and use; provided that the total fair market value
of such equipment being sold or transferred does not exceed $100,000 during any
12-month period; (d) sales or other dispositions (including Casualty Events) of
Oil and Gas Properties or any interest therein or Subsidiaries owning Oil and
Gas Properties; provided that (i) 100% of the consideration received in respect
of such sale or other disposition shall be cash, (ii) the consideration received
in respect of such sale or other disposition shall be equal to or greater than
the fair market value of the Oil and Gas Property, interest therein or
Subsidiary subject of such sale or other disposition (as reasonably determined
by the board of directors of the Borrower and, if requested by the
Administrative Agent, the Borrower shall deliver a certificate of a Responsible
Officer of the Borrower certifying to that effect), (iii) if such sale or other
disposition of Oil and Gas Property or Subsidiary owning Oil and Gas Properties

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included in the most recently delivered Reserve Report during any period between
two successive Scheduled Redetermination Dates has a fair market value (as
determined by the Administrative Agent), individually or in the aggregate, in
excess of 5% of the Borrowing Base, the Borrowing Base shall be reduced,
effective immediately upon such sale or disposition, by an amount equal to the
value, if any, assigned such Property, as determined by the Majority Lenders in
the most recently delivered Reserve Report; (iv) if any such sale or other
disposition is of a Subsidiary owning Oil and Gas Properties, such sale or other
disposition shall include all the Equity Interests of such Subsidiary; and (v)
such sales under this Section 9.12(d) shall be allowed only to the extent an
Event of Default or Borrowing Base Deficiency does not exist and would not
result from such sale or transfer; and (e) sales and other dispositions of
Properties not regulated by Section 9.12(a) to (d) having a total fair market
value not to exceed $250,000 during any 12-month period.

     Section 9.13 Environmental Matters. The Borrower will not, and will not
permit any Subsidiary to, violate or permit any of its Property to be in
violation of, or do anything or permit anything to be done which will subject
any such Property to any Remedial Work under any Environmental Laws, assuming
disclosure to the applicable Governmental Authority of all relevant facts,
conditions and circumstances, if any, pertaining to such Property where such
violations or remedial obligations could reasonably be expected to have a
Material Adverse Effect.

     Section 9.14 Transactions with Affiliates. The Borrower will not, and will
not permit any Subsidiary to, enter into any transaction, including, without
limitation, any purchase, sale, lease or exchange of Property or the rendering
of any service, with any Affiliate (other than the Guarantors and Wholly-Owned
Subsidiaries of the Borrower) unless such transactions are otherwise permitted
under this Agreement and are upon fair and reasonable terms no less favorable to
it than it would obtain in a comparable arm's length transaction with a Person
not an Affiliate.

     Section 9.15 Subsidiaries. The Borrower shall have no Subsidiaries other
than Wholly-Owned Subsidiaries. The Borrower shall not, and shall not permit its
Subsidiaries to, create or acquire any additional Subsidiary unless the Borrower
gives written notice to the Administrative Agent of such creation or acquisition
and complies with Section 8.14(b). The Borrower shall not, and shall not permit
any of its Subsidiaries to, sell, assign or otherwise dispose of any Equity
Interests in any of its Subsidiaries. The Borrower shall have no Foreign
Subsidiaries.

     Section 9.16 Negative Pledge Agreements; Dividend Restrictions. Neither the
Borrower nor any of its Subsidiaries will create, incur, assume or suffer to
exist any contract, agreement or understanding (other than this Agreement or the
Security Instruments) that in any way prohibits or restricts the granting,
conveying, creation or imposition of any Lien on any of its Property in favor of
the Administrative Agent and the Lenders or restricts any Subsidiary from paying
dividends or making distributions to the Borrower or any Guarantor, or which
requires the consent of or notice to other Persons in connection therewith.

     Section 9.17 Gas Imbalances, Take-or-Pay or Other Prepayments. The Borrower
will not, and will not permit any of its Subsidiaries to, allow gas imbalances,
take-or-pay or other prepayments with respect to the Oil and Gas Properties of
the Borrower or any of its Subsidiaries that would require the Borrower or such
Subsidiary to deliver, in the aggregate, two percent (2%) or more of the monthly
production of Hydrocarbons at some future time without then or thereafter
receiving full payment therefor.

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     Section 9.18 Swap Agreements. Neither the Borrower nor any of its
Subsidiaries will enter into any Swap Agreements with any Person other than (a)
Swap Agreements in respect of commodities (i) with an Approved Counterparty and
(ii) the notional volumes for which (when aggregated with other commodity Swap
Agreements then in effect other than basis differential swaps on volumes already
hedged pursuant to other Swap Agreements) do not exceed, as of the date such
Swap Agreement is executed, 85% of the reasonably anticipated projected
production from Proved Developed Producing Properties for each month during the
period during which such Swap Agreement is in effect for each of crude oil and
natural gas, calculated separately, for each of the next five succeeding
calendar years, provided that puts and put options may be purchased on
production that is subject of an acquisition, pending the completion of such
acquisition, and puts, excluding the effect of the provision for pending
acquisitions, may be purchased limited to total notional volumes of all Swap
Agreements and puts options not exceeding 100% of projected production from
Proved Developed Producing Properties as described in (a)(ii) above, and (b)
Swap Agreements in respect of interest rates with an Approved Counterparty,
which effectively convert interest rates from floating to fixed, the notional
amounts of which (when aggregated with all other Swap Agreements of the Borrower
and its Subsidiaries then in effect effectively converting interest rates from
floating to fixed) do not exceed 75% of the then outstanding principal amount of
the Borrower's Debt for borrowed money which bears interest at a floating rate.
In no event shall any Swap Agreement contain any requirement, agreement or
covenant for the Borrower or any of its Subsidiaries to post collateral or
margin to secure their obligations under such Swap Agreement or to cover market
exposures.

     Section 9.19 Tax Status as Partnership; Partnership Agreement. The Borrower
shall not alter its status as a partnership for purposes of United States
Federal Income taxes. The Borrower shall not, and shall not permit any
Subsidiary to, amend or modify any provision of the Partnership Agreement or any
other organizational document, or any agreements with Affiliates of the type
referred to in Section 9.14, if such amendment or modification could reasonably
be expected to have a Material Adverse Effect.

                                    ARTICLE X
                           EVENTS OF DEFAULT; REMEDIES

     Section 10.01 Events of Default. One or more of the following events shall
constitute an "Event of Default":

          (a) the Borrower shall fail to pay any principal of any Loan or any
reimbursement obligation in respect of any LC Disbursement when and as the same
shall become due and payable, whether at the due date thereof or at a date fixed
for prepayment thereof or otherwise.

          (b) the Borrower shall fail to pay any interest on any Loan or any fee
or any other amount (other than an amount referred to in Section 10.01(a))
payable under any Loan Document, when and as the same shall become due and
payable, and such failure shall continue unremedied for a period of five
Business Days.

          (c) any representation or warranty made or deemed made by or on behalf
of the Borrower or any of its Subsidiaries in or in connection with any Loan
Document or any amendment or modification of any Loan Document or waiver under
such Loan Document, or in any report, certificate, financial statement or other
document furnished pursuant to or in connection with any

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Loan Document or any amendment or modification thereof or waiver thereunder,
shall prove to have been incorrect when made or deemed made.

          (d) the Borrower or any of its Subsidiaries shall fail to observe or
perform any covenant, condition or agreement contained in, Section 8.01(m),
Section 8.01(n), Section 8.02, Section 8.03 or in ARTICLE IX.

          (e) the Borrower or any of its Subsidiaries shall fail to observe or
perform any covenant, condition or agreement contained in this Agreement (other
than those specified in Section 10.01(a), Section 10.01(b) or Section 10.01(d))
or any other Loan Document, and such failure shall continue unremedied for a
period of 30 days after the earlier to occur of (i) notice thereof from the
Administrative Agent to the Borrower (which notice will be given at the request
of any Lender) or (ii) a Responsible Officer of the Borrower or any of its
Subsidiaries otherwise becoming aware of such default.

          (f) the Borrower or any of its Subsidiaries shall fail to make any
payment (whether of principal or interest and regardless of amount) in respect
of any Material Indebtedness, when and as the same shall become due and payable
(after giving effect to any applicable notice and cure period).

          (g) any event or condition occurs (after giving effect to any notice
or cure period) that results in any Material Indebtedness becoming due prior to
its scheduled maturity or that enables or permits (with or without the giving of
notice, the lapse of time or both) the holder or holders of any Material
Indebtedness or any trustee or agent on its or their behalf to cause any
Material Indebtedness to become due, or to require the Redemption thereof or any
offer to Redeem to be made in respect thereof, prior to its scheduled maturity
or require the Borrower or any of its Subsidiaries to make an offer in respect
thereof.

          (h) an involuntary proceeding shall be commenced or an involuntary
petition shall be filed seeking (i) liquidation, reorganization or other relief
in respect of the Borrower or any of its Subsidiaries or its debts, or of a
substantial part of its assets, under any Federal, state or foreign bankruptcy,
insolvency, receivership or similar law now or hereafter in effect or (ii) the
appointment of a receiver, trustee, custodian, sequestrator, conservator or
similar official for the Borrower or any of its Subsidiaries or for a
substantial part of its assets, and, in any such case, such proceeding or
petition shall continue undismissed for 60 days or an order or decree approving
or ordering any of the foregoing shall be entered.

          (i) the Borrower or any of its Subsidiaries shall (i) voluntarily
commence any proceeding or file any petition seeking liquidation, reorganization
or other relief under any Federal, state or foreign bankruptcy, insolvency,
receivership or similar law now or hereafter in effect, (ii) consent to the
institution of, or fail to contest in a timely and appropriate manner, any
proceeding or petition described in Section 10.01(h), (iii) apply for or consent
to the appointment of a receiver, trustee, custodian, sequestrator, conservator
or similar official for the Borrower or any of its Subsidiaries or for a
substantial part of its assets, (iv) file an answer admitting the material
allegations of a petition filed against it in any such proceeding, (v) make a
general assignment for the benefit of creditors or (vi) take any action for the
purpose of effecting any of the foregoing; or any member of the Borrower shall
make any request or take any action for the purpose of calling a meeting of the
members of the Borrower to consider a resolution to dissolve and wind-up the
Borrower's affairs.

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          (j) the Borrower or any of its Subsidiaries shall become unable, admit
in writing its inability or fail generally to pay its debts as they become due.

          (k) (i) one or more judgments for the payment of money in an aggregate
amount in excess of $1,000,000 (to the extent not covered by independent third
party insurance provided by insurers of the highest claims paying rating or
financial strength as to which the insurer does not dispute coverage and is not
subject to an insolvency proceeding) or (ii) any one or more non monetary
judgments that have, or could reasonably be expected to have, individually or in
the aggregate, a Material Adverse Effect, shall be rendered against the
Borrower, any of its Subsidiaries or any combination thereof; and, in case of
each of clause (i) or (ii), the same shall remain undischarged for a period of
30 consecutive days during which execution shall not be effectively stayed, or
any action shall be legally taken by a judgment creditor to attach or levy upon
any assets of the Borrower or any of its Subsidiaries to enforce any such
judgment.

          (l) the Loan Documents after delivery thereof shall for any reason,
except to the extent permitted by the terms thereof, cease to be in full force
and effect and valid, binding and enforceable in accordance with their terms
against the Borrower or a Guarantor party thereto or shall be repudiated by
them, or cease to create a valid and perfected Lien of the priority required
thereby on any of the collateral purported to be covered thereby, except to the
extent permitted by the terms of this Agreement, or the Borrower or any of its
Subsidiaries shall so state in writing.

          (m) an ERISA Event shall have occurred that, in the opinion of the
Majority Lenders, when taken together with all other ERISA Events that have
occurred, could reasonably be expected to result in liability of the Borrower
and its Subsidiaries in an aggregate amount exceeding $1,000,000 in any year.

          (n) a Change in Control shall occur.

     Section 10.02 Remedies.

          (a) In the case of an Event of Default other than one described in
Section 10.01(h), Section 10.01(i) or Section 10.01(j), at any time thereafter
during the continuance of such Event of Default, the Administrative Agent may,
and at the request of the Majority Lenders, shall, by notice to the Borrower,
take either or both of the following actions, at the same or different times:
(i) terminate the Commitments, and thereupon the Commitments shall terminate
immediately, and (ii) declare the Notes and the Loans then outstanding to be due
and payable in whole (or in part, in which case any principal not so declared to
be due and payable may thereafter be declared to be due and payable), and
thereupon the principal of the Loans so declared to be due and payable, together
with accrued interest thereon and all fees and other obligations of the Borrower
and the Guarantors accrued hereunder and under the Notes and the other Loan
Documents (including, without limitation, the payment of cash collateral to
secure the LC Exposure as provided in Section 2.08(j)), shall become due and
payable immediately, without presentment, demand, protest, notice of intent to
accelerate, notice of acceleration or other notice of any kind, all of which are
hereby waived by the Borrower and each Guarantor; and in case of an Event of
Default described in Section 10.01(h), Section 10.01(i) or Section 10.01(j), the
Commitments shall automatically terminate and the Notes and the principal of the
Loans then outstanding, together with accrued interest thereon and all fees and
the other obligations of the Borrower and the Guarantors accrued hereunder and
under the Notes and the other Loan Documents (including, without limitation, the
payment of cash collateral to secure the LC Exposure as provided in Section
2.08(j)), shall automatically become due and payable,

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without presentment, demand, protest or other notice of any kind, all of which
are hereby waived by the Borrower and each Guarantor.

          (b) In the case of the occurrence of an Event of Default, the
Administrative Agent and the Lenders will have all other rights and remedies
available at law and equity.

          (c) All proceeds realized from the liquidation or other disposition of
collateral or otherwise received after maturity of the Notes, whether by
acceleration or otherwise, shall be applied: first, to reimbursement of expenses
and indemnities provided for in this Agreement and the Security Instruments;
second, to accrued interest on the Notes; third, to fees; fourth, pro rata to
principal outstanding on the Notes and Indebtedness referred to in Clause (b) of
the definition of Indebtedness owing to a Lender or an Affiliate of a Lender;
fifth, to any other Indebtedness; sixth, to serve as cash collateral to be held
by the Administrative Agent to secure the LC Exposure; and any excess shall be
paid to the Borrower or as otherwise required by any Governmental Requirement.

     Section 10.03 Disposition of Proceeds. The Security Instruments contain an
assignment by the Borrower and/or the Guarantors unto and in favor of the
Administrative Agent for the benefit of the Lenders of all of the Borrower's or
each Guarantor's interest in and to production and all proceeds attributable
thereto which may be produced from or allocated to the Mortgaged Property. The
Security Instruments further provide in general for the application of such
proceeds to the satisfaction of the Indebtedness and other obligations described
therein and secured thereby. Notwithstanding the assignment contained in such
Security Instruments, except after the occurrence and during the continuance of
an Event of Default, (a) the Administrative Agent and the Lenders agree that
they will neither notify the purchaser or purchasers of such production nor take
any other action to cause such proceeds to be remitted to the Administrative
Agent or the Lenders, but the Lenders will instead permit such proceeds to be
paid to the Borrower and its Subsidiaries and (b) the Lenders hereby authorize
the Administrative Agent to take such actions as may be necessary to cause such
proceeds to be paid to the Borrower and/or its Subsidiaries.

                                   ARTICLE XI
                            THE ADMINISTRATIVE AGENT

     Section 11.01 Appointment; Powers. Each of the Lenders and each Issuing
Bank hereby irrevocably appoints the Administrative Agent as its agent and
authorizes the Administrative Agent to take such actions on its behalf and to
exercise such powers as are delegated to the Administrative Agent by the terms
hereof and the other Loan Documents, together with such actions and powers as
are reasonably incidental thereto.

     Section 11.02 Duties and Obligations of Administrative Agent. The
Administrative Agent shall have no duties or obligations except those expressly
set forth in the Loan Documents. Without limiting the generality of the
foregoing, (a) the Administrative Agent shall not be subject to any fiduciary or
other implied duties, regardless of whether a Default has occurred and is
continuing (the use of the term "agent" herein and in the other Loan Documents
with reference to the Administrative Agent is not intended to connote any
fiduciary or other implied (or express) obligations arising under agency
doctrine of any applicable law; rather, such term is used merely as a matter of
market custom, and is intended to create or reflect only an administrative
relationship between independent contracting parties), (b) the Administrative
Agent shall have no duty to take any discretionary action or exercise any
discretionary powers, except as provided in Section 11.03, and (c) except as
expressly set forth herein, the Administrative Agent shall have no duty to
disclose, and shall not be

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liable for the failure to disclose, any information relating to the Borrower or
any of its Subsidiaries that is communicated to or obtained by the bank serving
as Administrative Agent or any of its Affiliates in any capacity. The
Administrative Agent shall be deemed not to have knowledge of any Default unless
and until written notice thereof is given to the Administrative Agent by the
Borrower or a Lender, and shall not be responsible for or have any duty to
ascertain or inquire into (i) any statement, warranty or representation made in
or in connection with this Agreement or any other Loan Document, (ii) the
contents of any certificate, report or other document delivered hereunder or
under any other Loan Document or in connection herewith or therewith, (iii) the
performance or observance of any of the covenants, agreements or other terms or
conditions set forth herein or in any other Loan Document, (iv) the validity,
enforceability, effectiveness or genuineness of this Agreement, any other Loan
Document or any other agreement, instrument or document, (v) the satisfaction of
any condition set forth in ARTICLE VI or elsewhere herein, other than to confirm
receipt of items expressly required to be delivered to the Administrative Agent,
(vi) the existence, value, perfection or priority of any collateral security or
the financial or other condition of the Borrower and its Subsidiaries or any
other obligor or guarantor, or (vii) any failure by the Borrower or any other
Person (other than itself) to perform any of its obligations hereunder or under
any other Loan Document or the performance or observance of any covenants,
agreements or other terms or conditions set forth herein or therein. For
purposes of determining compliance with the conditions specified in ARTICLE VI,
each Lender shall be deemed to have consented to, approved or accepted or to be
satisfied with, each document or other matter required thereunder to be
consented to or approved by or acceptable or satisfactory to a Lender unless the
Administrative Agent shall have received written notice from such Lender prior
to the proposed closing date specifying its objection thereto.

     Section 11.03 Action by Administrative Agent. The Administrative Agent
shall have no duty to take any discretionary action or exercise any
discretionary powers, except discretionary rights and powers expressly
contemplated hereby or by the other Loan Documents that the Administrative Agent
is required to exercise in writing as directed by the Majority Lenders (or such
other number or percentage of the Lenders as shall be necessary under the
circumstances as provided in Section 12.02) and in all cases the Administrative
Agent shall be fully justified in failing or refusing to act hereunder or under
any other Loan Documents unless it shall (a) receive written instructions from
the Majority Lenders or the Lenders, as applicable, (or such other number or
percentage of the Lenders as shall be necessary under the circumstances as
provided in Section 12.02) specifying the action to be taken and (b) be
indemnified to its satisfaction by the Lenders against any and all liability and
expenses which may be incurred by it by reason of taking or continuing to take
any such action. The instructions as aforesaid and any action taken or failure
to act pursuant thereto by the Administrative Agent shall be binding on all of
the Lenders. If a Default has occurred and is continuing, then the
Administrative Agent shall take such action with respect to such Default as
shall be directed by the requisite Lenders in the written instructions (with
indemnities) described in this Section 11.03, provided that, unless and until
the Administrative Agent shall have received such directions, the Administrative
Agent may (but shall not be obligated to) take such action, or refrain from
taking such action, with respect to such Default as it shall deem advisable in
the best interests of the Lenders. In no event, however, shall the
Administrative Agent be required to take any action which exposes the
Administrative Agent to personal liability or which is contrary to this
Agreement, the Loan Documents or applicable law. The Administrative Agent shall
not be liable for any action taken or not taken by it with the consent or at the
request of the Majority Lenders or the Lenders (or such other number or
percentage of the Lenders as shall be necessary under the circumstances as
provided in Section 12.02), and otherwise the Administrative Agent shall not be
liable for any action taken or not taken by it hereunder or under any other Loan
Document or under any other document or

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instrument referred to or provided for herein or therein or in connection
herewith or therewith INCLUDING ITS OWN ORDINARY NEGLIGENCE, except for its own
gross negligence or willful misconduct.

     Section 11.04 Reliance by Administrative Agent. The Administrative Agent
shall be entitled to rely upon, and shall not incur any liability for relying
upon, any notice, request, certificate, consent, statement, instrument, document
or other writing believed by it to be genuine and to have been signed or sent by
the proper Person. The Administrative Agent also may rely upon any statement
made to it orally or by telephone and believed by it to be made by the proper
Person, and shall not incur any liability for relying thereon and each of the
Borrower, the Lenders and each Issuing Bank hereby waives the right to dispute
the Administrative Agent's record of such statement, except in the case of gross
negligence or willful misconduct by the Administrative Agent. The Administrative
Agent may consult with legal counsel (who may be counsel for the Borrower),
independent accountants and other experts selected by it, and shall not be
liable for any action taken or not taken by it in accordance with the advice of
any such counsel, accountants or experts. The Administrative Agent may deem and
treat the payee of any Note as the holder thereof for all purposes hereof unless
and until a written notice of the assignment or transfer thereof permitted
hereunder shall have been filed with the Administrative Agent.

     Section 11.05 Subagents. The Administrative Agent may perform any and all
its duties and exercise its rights and powers by or through any one or more
sub-agents appointed by the Administrative Agent. The Administrative Agent and
any such sub-agent may perform any and all its duties and exercise its rights
and powers through their respective Related Parties. The exculpatory provisions
of the preceding Sections of this ARTICLE XI shall apply to any such sub-agent
and to the Related Parties of the Administrative Agent and any such sub-agent,
and shall apply to their respective activities in connection with the
syndication of the credit facilities provided for herein as well as activities
as Administrative Agent.

     Section 11.06 Resignation or Removal of Administrative Agent. Subject to
the appointment and acceptance of a successor Administrative Agent as provided
in this Section 11.06, the Administrative Agent may resign at any time by
notifying the Lenders, each Issuing Bank and the Borrower, and the
Administrative Agent may be removed at any time with or without cause by the
Majority Lenders. Upon any such resignation or removal, the Majority Lenders
shall have the right, in consultation with the Borrower, to appoint a successor.
If no successor shall have been so appointed by the Majority Lenders and shall
have accepted such appointment within 30 days after the retiring Administrative
Agent gives notice of its resignation or removal of the retiring Administrative
Agent, then the retiring Administrative Agent may, on behalf of the Lenders and
each Issuing Bank, appoint a successor Administrative Agent. Upon the acceptance
of its appointment as Administrative Agent hereunder by a successor, such
successor shall succeed to and become vested with all the rights, powers,
privileges and duties of the retiring Administrative Agent, and the retiring
Administrative Agent shall be discharged from its duties and obligations
hereunder. The fees payable by the Borrower to a successor Administrative Agent
shall be the same as those payable to its predecessor unless otherwise agreed
between the Borrower and such successor. After the Administrative Agent's
resignation hereunder, the provisions of this ARTICLE XI and Section 12.03 shall
continue in effect for the benefit of such retiring Administrative Agent, its
sub-agents and their respective Related Parties in respect of any actions taken
or omitted to be taken by any of them while it was acting as Administrative
Agent.

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     Section 11.07 Administrative Agent and Lenders. Each bank serving as the
Administrative Agent hereunder shall have the same rights and powers in its
capacity as a Lender as any other Lender and may exercise the same as though it
were not an Administrative Agent, and such bank and its Affiliates may accept
deposits from, lend money to and generally engage in any kind of business with
the Borrower or any Subsidiary or other Affiliate thereof as if it were not an
Administrative Agent hereunder.

     Section 11.08 No Reliance. Each Lender acknowledges that it has,
independently and without reliance upon the Administrative Agent or any other
Lender and based on such documents and information as it has deemed appropriate,
made its own credit analysis and decision to enter into this Agreement and each
other Loan Document to which it is a party. Each Lender also acknowledges that
it will, independently and without reliance upon the Administrative Agent or any
other Lender and based on such documents and information as it shall from time
to time deem appropriate, continue to make its own decisions in taking or not
taking action under or based upon this Agreement, any other Loan Document, any
related agreement or any document furnished hereunder or thereunder. The
Administrative Agent shall not be required to keep itself informed as to the
performance or observance by the Borrower or any of its Subsidiaries of this
Agreement, the Loan Documents or any other document referred to or provided for
herein or to inspect the Properties or books of the Borrower or its
Subsidiaries. Except for notices, reports and other documents and information
expressly required to be furnished to the Lenders by the Administrative Agent
hereunder, neither the Administrative Agent nor the Arranger shall have any duty
or responsibility to provide any Lender with any credit or other information
concerning the affairs, financial condition or business of the Borrower (or any
of its Affiliates) which may come into the possession of the Administrative
Agent or any of its Affiliates. In this regard, each Lender acknowledges that
Vinson & Elkins L.L.P. is acting in this transaction as special counsel to the
Administrative Agent only, except to the extent otherwise expressly stated in
any legal opinion or any Loan Document. Each other party hereto will consult
with its own legal counsel to the extent that it deems necessary in connection
with the Loan Documents and the matters contemplated therein.

     Section 11.09 Administrative Agent May File Proofs of Claim. In case of the
pendency of any receivership, insolvency, liquidation, bankruptcy,
reorganization, arrangement, adjustment, composition or other judicial
proceeding relative to the Borrower or any of its Subsidiaries, the
Administrative Agent (irrespective of whether the principal of any Loan shall
then be due and payable as herein expressed or by declaration or otherwise and
irrespective of whether the Administrative Agent shall have made any demand on
the Borrower) shall be entitled and empowered, by intervention in such
proceeding or otherwise:

          (a) to file and prove a claim for the whole amount of the principal
and interest owing and unpaid in respect of the Loans and all other Indebtedness
that are owing and unpaid and to file such other documents as may be necessary
or advisable in order to have the claims of the Lenders and the Administrative
Agent (including any claim for the reasonable compensation, expenses,
disbursements and advances of the Lenders and the Administrative Agent and their
respective agents and counsel and all other amounts due the Lenders and the
Administrative Agent under Section 12.03) allowed in such judicial proceeding;
and

          (b) to collect and receive any monies or other property payable or
deliverable on any such claims and to distribute the same;

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and any custodian, receiver, assignee, trustee, liquidator, sequestrator or
other similar official in any such judicial proceeding is hereby authorized by
each Lender to make such payments to the Administrative Agent and, in the event
that the Administrative Agent shall consent to the making of such payments
directly to the Lenders, to pay to the Administrative Agent any amount due for
the reasonable compensation, expenses, disbursements and advances of the
Administrative Agent and its agents and counsel, and any other amounts due the
Administrative Agent under Section 12.03.

Nothing contained herein shall be deemed to authorize the Administrative Agent
to authorize or consent to or accept or adopt on behalf of any Lender any plan
of reorganization, arrangement, adjustment or composition affecting the
Indebtedness or the rights of any Lender or to authorize the Administrative
Agent to vote in respect of the claim of any Lender in any such proceeding.

     Section 11.10 Authority of Administrative Agent to Release Collateral and
Liens. Each Lender and each Issuing Bank hereby authorizes the Administrative
Agent to release any collateral that is permitted to be sold or released
pursuant to the terms of the Loan Documents. Each Lender and each Issuing Bank
hereby authorizes the Administrative Agent to execute and deliver to the
Borrower, at the Borrower's sole cost and expense, any and all releases of
Liens, termination statements, assignments or other documents reasonably
requested by the Borrower in connection with any sale or other disposition of
Property to the extent such sale or other disposition is permitted by the terms
of Section 9.12 or is otherwise authorized by the terms of the Loan Documents.

     Section 11.11 The Arranger. The Arranger shall have no duties,
responsibilities or liabilities under this Agreement and the other Loan
Documents other than its duties, responsibilities and liabilities in its
capacity as a Lender hereunder to the extent it is a party to this Agreement as
a Lender.

                                   ARTICLE XII
                                  MISCELLANEOUS

     Section 12.01 Notices.

          (a) Except in the case of notices and other communications expressly
permitted to be given by telephone (and subject to Section 12.01(b)), all
notices and other communications provided for herein shall be in writing and
shall be delivered by hand or overnight courier service, mailed by certified or
registered mail or sent by telecopy, as follows:

               (i)  if to the Borrower, to it at

                    Legacy Reserves LP
                    303 West Wall Street, Suite 1600
                    Midland, TX 79701

                    Attention: Steven H. Pruett, President and CFO
                    Email: spruett@legacyLP.com
                    Phone: 432-682-2516
                    Fax: 432-682-4013

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               (ii) if to the Administrative Agent, to it at

                    919 Third Avenue
                    New York, New York 10022
                    Attention: Millie Carillo, Loan Assistant
                    Telecopy: 212-841-2683

                    with a copy to the Administrative Agent at:

                    1200 Smith Street, Suite 3100
                    Houston, Texas 77002
                    Attention: Russell Otts
                    Telecopy: 713-659-6915

               (iii) if to any other Lender, in its capacity as such, or any
     other Lender in its capacity as an Issuing Bank, to it at its address (or
     telecopy number) set forth in its Administrative Questionnaire.

          (b) Notices and other communications to the Lenders hereunder may be
delivered or furnished by electronic communications pursuant to procedures
approved by the Administrative Agent; provided that the foregoing shall not
apply to notices pursuant to ARTICLE II, ARTICLE III, ARTICLE IV and ARTICLE V
unless otherwise agreed by the Administrative Agent and the applicable Lender.
The Administrative Agent or the Borrower may, in its discretion, agree to accept
notices and other communications to it hereunder by electronic communications
pursuant to procedures approved by it; provided that approval of such procedures
may be limited to particular notices or communications.

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<PAGE>

          (c) Any party hereto may change its address or telecopy number for
notices and other communications hereunder by notice to the other parties
hereto. All notices and other communications given to any party hereto in
accordance with the provisions of this Agreement shall be deemed to have been
given on the date of receipt.

     Section 12.02 Waivers; Amendments

          (a) No failure on the part of the Administrative Agent, any Issuing
Bank or any Lender to exercise and no delay in exercising, and no course of
dealing with respect to, any right, power or privilege, or any abandonment or
discontinuance of steps to enforce such right, power or privilege, under any of
the Loan Documents shall operate as a waiver thereof, nor shall any single or
partial exercise of any right, power or privilege under any of the Loan
Documents preclude any other or further exercise thereof or the exercise of any
other right, power or privilege. The rights and remedies of the Administrative
Agent, each Issuing Bank and the Lenders hereunder and under the other Loan
Documents are cumulative and are not exclusive of any rights or remedies that
they would otherwise have. No waiver of any provision of this Agreement or any
other Loan Document or consent to any departure by the Borrower therefrom shall
in any event be effective unless the same shall be permitted by Section
12.02(b), and then such waiver or consent shall be effective only in the
specific instance and for the purpose for which given. Without limiting the
generality of the foregoing, the making of a Loan or issuance of a Letter of
Credit shall not be construed as a waiver of any Default, regardless of whether
the Administrative Agent, any Lender or any Issuing Bank may have had notice or
knowledge of such Default at the time.

          (b) Neither this Agreement nor any provision hereof nor any Security
Instrument nor any provision thereof may be waived, amended or modified except
pursuant to an agreement or agreements in writing entered into by the Borrower
and the Majority Lenders or by the Borrower and the Administrative Agent with
the consent of the Majority Lenders; provided that no such agreement shall (i)
increase the Maximum Credit Amount of any Lender without the written consent of
such Lender, (ii) increase the Borrowing Base without the written consent of
each Lender, decrease or maintain the Borrowing Base without the consent of the
Majority Lenders, or modify in any manner Section 2.07 without the consent of
each Lender, (iii) reduce the principal amount of any Loan or LC Disbursement or
reduce the rate of interest thereon, or reduce any fees payable hereunder, or
reduce any other Indebtedness hereunder or under any other Loan Document,
without the written consent of each Lender affected thereby, (iv) postpone the
scheduled date of payment of the principal amount of any Loan or LC
Disbursement, or any interest thereon, or any fees payable hereunder, or any
other Indebtedness hereunder or under any other Loan Document, or reduce the
amount of, waive or excuse any such payment, or postpone or extend the
Termination Date or the Maturity Date without the written consent of each Lender
affected thereby, (v) change Section 4.01(b) or Section 4.01(c) in a manner that
would alter the pro rata sharing of payments required thereby, without the
written consent of each Lender, (vi) waive or amend Section 6.01, Section
10.02(c) or Section 8.14 or change the definition of the terms "Domestic
Subsidiary", "Foreign Subsidiary", "Material Domestic Subsidiary" or
"Subsidiary", without the written consent of each Lender, (vii) release any
Guarantor (except as set forth in the Guaranty Agreement), release all or
substantially all of the collateral (other than as provided in Section 11.09),
or reduce the percentage set forth in Section 8.14(a) to less than 80%, without
the written consent of each Lender, or (viii) change any of the provisions of
this Section 12.02(b) or the definition of "Majority Lenders" or any other
provision hereof specifying the number or percentage of Lenders required to
waive, amend or modify any rights hereunder or under any other Loan Documents or
make any determination or grant any consent hereunder or any other Loan
Documents, without the written consent of each Lender; provided further that no
such

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agreement shall amend, modify or otherwise affect the rights or duties of the
Administrative Agent or any Issuing Bank hereunder or under any other Loan
Document without the prior written consent of the Administrative Agent or such
Issuing Bank, as the case may be. Notwithstanding the foregoing, any supplement
to Schedule 7.15 (Subsidiaries) shall be effective simply by delivering to the
Administrative Agent a supplemental schedule clearly marked as such and, upon
receipt, the Administrative Agent will promptly deliver a copy thereof to the
Lenders.

     Section 12.03 Expenses, Indemnity; Damage Waiver.

          (a) The Borrower shall pay (i) all reasonable out-of-pocket expenses
incurred by the Administrative Agent and its Affiliates, including, without
limitation, the reasonable fees, charges and disbursements of counsel and other
outside consultants for the Administrative Agent, the reasonable travel,
photocopy, mailing, courier, telephone and other similar expenses and, in
connection with the syndication of the credit facilities provided for herein,
the preparation, negotiation, execution, delivery and administration (both
before and after the execution hereof and including advice of counsel to the
Administrative Agent as to the rights and duties of the Administrative Agent and
the Lenders with respect thereto) of this Agreement and the other Loan Documents
and any amendments, modifications or waivers of or consents related to the
provisions hereof or thereof (whether or not the transactions contemplated
hereby or thereby shall be consummated), (ii) all out-of-pocket costs, expenses,
Taxes, assessments and other charges incurred by the Administrative Agent or any
Lender in connection with any filing, registration, recording or perfection of
any security interest contemplated by this Agreement or any Security Instrument
or any other document referred to therein, (iii) all reasonable out-of-pocket
expenses incurred by each Issuing Bank in connection with the issuance,
amendment, renewal or extension of any Letter of Credit issued by such Issuing
Bank or any demand for payment thereunder, (iv) all out-of-pocket expenses
incurred by the Administrative Agent, any Issuing Bank or any Lender, including
the fees, charges and disbursements of any counsel for the Administrative Agent,
any Issuing Bank or any Lender, in connection with the enforcement or protection
of its rights in connection with this Agreement or any other Loan Document,
including its rights under this Section 12.03, or in connection with the Loans
made or Letters of Credit issued hereunder, including, without limitation, all
such out-of-pocket expenses incurred during any workout, restructuring or
negotiations in respect of such Loans or Letters of Credit.

          (b) THE BORROWER SHALL INDEMNIFY THE ADMINISTRATIVE AGENT, THE
ARRANGER, EACH ISSUING BANK AND EACH LENDER, AND EACH RELATED PARTY OF ANY OF
THE FOREGOING PERSONS (EACH SUCH PERSON BEING CALLED AN "INDEMNITEE") AGAINST,
AND HOLD EACH INDEMNITEE HARMLESS FROM, ANY AND ALL LOSSES, CLAIMS, DAMAGES,
LIABILITIES AND RELATED EXPENSES, INCLUDING THE FEES, CHARGES AND DISBURSEMENTS
OF ANY COUNSEL FOR ANY INDEMNITEE, INCURRED BY OR ASSERTED AGAINST ANY
INDEMNITEE ARISING OUT OF, IN CONNECTION WITH, OR AS A RESULT OF (i) THE
EXECUTION OR DELIVERY OF THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT OR ANY
AGREEMENT OR INSTRUMENT CONTEMPLATED HEREBY OR THEREBY, THE PERFORMANCE BY THE
PARTIES HERETO OR THE PARTIES TO ANY OTHER LOAN DOCUMENT OF THEIR RESPECTIVE
OBLIGATIONS HEREUNDER OR THEREUNDER OR THE CONSUMMATION OF THE TRANSACTIONS
CONTEMPLATED HEREBY OR BY ANY OTHER LOAN DOCUMENT, (ii) THE FAILURE OF THE
BORROWER OR ANY OF ITS SUBSIDIARIES TO COMPLY WITH THE TERMS OF ANY LOAN
DOCUMENT, INCLUDING THIS AGREEMENT, OR WITH ANY GOVERNMENTAL REQUIREMENT, (iii)
ANY

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INACCURACY OF ANY REPRESENTATION OR ANY BREACH OF ANY WARRANTY OR COVENANT OF
THE BORROWER OR ANY GUARANTOR SET FORTH IN ANY OF THE LOAN DOCUMENTS OR ANY
INSTRUMENTS, DOCUMENTS OR CERTIFICATIONS DELIVERED IN CONNECTION THEREWITH, (iv)
ANY LOAN OR LETTER OF CREDIT OR THE USE OF THE PROCEEDS THEREFROM, INCLUDING,
WITHOUT LIMITATION, (A) ANY REFUSAL BY ANY ISSUING BANK TO HONOR A DEMAND FOR
PAYMENT UNDER A LETTER OF CREDIT ISSUED BY SUCH ISSUING BANK IF THE DOCUMENTS
PRESENTED IN CONNECTION WITH SUCH DEMAND DO NOT STRICTLY COMPLY WITH THE TERMS
OF SUCH LETTER OF CREDIT, OR (B) THE PAYMENT OF A DRAWING UNDER ANY LETTER OF
CREDIT NOTWITHSTANDING THE NON-COMPLIANCE, NON-DELIVERY OR OTHER IMPROPER
PRESENTATION OF THE DOCUMENTS PRESENTED IN CONNECTION THEREWITH, (v) ANY OTHER
ASPECT OF THE LOAN DOCUMENTS, (vi) THE OPERATIONS OF THE BUSINESS OF THE
BORROWER AND ITS SUBSIDIARIES BY THE BORROWER AND ITS SUBSIDIARIES, (vii) ANY
ASSERTION THAT THE LENDERS WERE NOT ENTITLED TO RECEIVE THE PROCEEDS RECEIVED
PURSUANT TO THE SECURITY INSTRUMENTS, (viii) ANY ENVIRONMENTAL LAW APPLICABLE TO
THE BORROWER OR ITS SUBSIDIARIES OR ANY OF THEIR PROPERTIES, INCLUDING WITHOUT
LIMITATION, THE PRESENCE, GENERATION, STORAGE, RELEASE, THREATENED RELEASE, USE,
TRANSPORT, DISPOSAL, ARRANGEMENT OF DISPOSAL OR TREATMENT OF OIL, OIL AND GAS
WASTES, SOLID WASTES OR HAZARDOUS SUBSTANCES ON ANY OF THEIR PROPERTIES, (ix)
THE BREACH OR NON-COMPLIANCE BY THE BORROWER OR ANY OF ITS SUBSIDIARIES WITH ANY
ENVIRONMENTAL LAW APPLICABLE TO THE BORROWER OR ANY OF ITS SUBSIDIARIES, (x) THE
PAST OWNERSHIP BY THE BORROWER OR ANY OF ITS SUBSIDIARIES OF ANY OF THEIR
PROPERTIES OR PAST ACTIVITY ON ANY OF THEIR PROPERTIES WHICH, THOUGH LAWFUL AND
FULLY PERMISSIBLE AT THE TIME, COULD RESULT IN PRESENT LIABILITY, (xi) THE
PRESENCE, USE, RELEASE, STORAGE, TREATMENT, DISPOSAL, GENERATION, THREATENED
RELEASE, TRANSPORT, ARRANGEMENT FOR TRANSPORT OR ARRANGEMENT FOR DISPOSAL OF
OIL, OIL AND GAS WASTES, SOLID WASTES OR HAZARDOUS SUBSTANCES ON OR AT ANY OF
THE PROPERTIES OWNED OR OPERATED BY THE BORROWER OR ANY OF ITS SUBSIDIARIES OR
ANY ACTUAL OR ALLEGED PRESENCE OR RELEASE OF HAZARDOUS MATERIALS ON OR FROM ANY
PROPERTY OWNED OR OPERATED BY THE BORROWER OR ANY OF ITS SUBSIDIARIES, (xii) ANY
ENVIRONMENTAL LIABILITY RELATED IN ANY WAY TO THE BORROWER OR ANY OF ITS
SUBSIDIARIES, OR (xiii) ANY OTHER ENVIRONMENTAL, HEALTH OR SAFETY CONDITION IN
CONNECTION WITH THE LOAN DOCUMENTS, OR (xiv) ANY ACTUAL OR PROSPECTIVE CLAIM,
LITIGATION, INVESTIGATION OR PROCEEDING RELATING TO ANY OF THE FOREGOING,
WHETHER BASED ON CONTRACT, TORT OR ANY OTHER THEORY AND REGARDLESS OF WHETHER
ANY INDEMNITEE IS A PARTY THERETO, AND SUCH INDEMNITY SHALL EXTEND TO EACH
INDEMNITEE NOTWITHSTANDING THE SOLE OR CONCURRENT NEGLIGENCE OF EVERY KIND OR
CHARACTER WHATSOEVER, WHETHER ACTIVE OR PASSIVE, WHETHER AN AFFIRMATIVE ACT OR
AN OMISSION, INCLUDING WITHOUT LIMITATION, ALL TYPES OF NEGLIGENT CONDUCT
IDENTIFIED IN THE RESTATEMENT (SECOND) OF TORTS OF ONE OR MORE OF THE
INDEMNITEES OR BY REASON OF STRICT LIABILITY IMPOSED WITHOUT FAULT ON ANY ONE OR
MORE OF THE INDEMNITEES; PROVIDED THAT SUCH INDEMNITY SHALL NOT, AS TO ANY
INDEMNITEE, BE AVAILABLE TO THE EXTENT THAT SUCH LOSSES, CLAIMS, DAMAGES,
LIABILITIES OR RELATED EXPENSES ARE DETERMINED BY A COURT OF

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<PAGE>

COMPETENT JURISDICTION BY FINAL AND NONAPPEALABLE JUDGMENT TO HAVE RESULTED FROM
THE GROSS NEGLIGENCE OR WILLFUL MISCONDUCT OF SUCH INDEMNITEE.

          (c) To the extent that the Borrower fails to pay any amount required
to be paid by it to the Administrative Agent or any Issuing Bank under Section
12.03(a) or (b), each Lender severally agrees to pay to the Administrative Agent
or such Issuing Bank, as the case may be, such Lender's Applicable Percentage
(determined as of the time that the applicable unreimbursed expense or indemnity
payment is sought) of such unpaid amount; provided that the unreimbursed expense
or indemnified loss, claim, damage, liability or related expense, as the case
may be, was incurred by or asserted against the Administrative Agent or such
Issuing Bank in its capacity as such.

          (d) To the extent permitted by applicable law, the Borrower shall not
assert, and hereby waives, any claim against any Indemnitee, on any theory of
liability, for special, indirect, consequential or punitive damages (as opposed
to direct or actual damages) arising out of, in connection with, or as a result
of, this Agreement, any other Loan Document or any agreement or instrument
contemplated hereby or thereby, the Transactions, any Loan or Letter of Credit
or the use of the proceeds thereof.

          (e) All amounts due under this Section 12.03 shall be payable within
ten (10) Business Days of written demand therefor.

     Section 12.04 Successors and Assigns.

          (a) The provisions of this Agreement shall be binding upon and inure
to the benefit of the parties hereto and their respective successors and assigns
permitted hereby (including any Affiliate of any Issuing Bank that issues any
Letter of Credit), except that (i) the Borrower may not assign or otherwise
transfer any of its rights or obligations hereunder without the prior written
consent of each Lender (and any attempted assignment or transfer by the Borrower
without such consent shall be null and void) and (ii) no Lender may assign or
otherwise transfer its rights or obligations hereunder except in accordance with
this Section 12.04. Nothing in this Agreement, expressed or implied, shall be
construed to confer upon any Person (other than the parties hereto, their
respective successors and assigns permitted hereby (including any Affiliate of
any Issuing Bank that issues any Letter of Credit), Participants (to the extent
provided in Section 12.04(c)) and, to the extent expressly contemplated hereby,
the Related Parties of each of the Administrative Agent, each Issuing Bank and
the Lenders) any legal or equitable right, remedy or claim under or by reason of
this Agreement.

          (b) (i) Subject to the conditions set forth in Section 12.04(b)(ii),
any Lender may assign to one or more assignees all or a portion of its rights
and obligations under this Agreement (including all or a portion of its
Commitment and the Loans at the time owing to it) with the prior written consent
(such consent not to be unreasonably withheld) of:

                    (A) the Borrower, provided that no consent of the Borrower
          shall be required if such assignment is to a Lender or an Affiliate of
          a Lender or, if an Event of Default has occurred and is continuing, is
          to any other assignee; and

                    (B) the Administrative Agent, provided that no consent of
          the Administrative Agent shall be required for an assignment to an
          assignee that is a

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<PAGE>

          Lender or any Affiliate of a Lender, immediately prior to giving
          effect to such assignment.

               (ii) Assignments shall be subject to the following additional
     conditions:

                    (A) except in the case of an assignment to a Lender or an
          Affiliate of a Lender or an assignment of the entire remaining amount
          of the assigning Lender's Commitment, the amount of the Commitment of
          the assigning Lender subject to each such assignment (determined as of
          the date the Assignment and Assumption with respect to such assignment
          is delivered to the Administrative Agent) shall not be less than
          $5,000,000 unless each of the Borrower and the Administrative Agent
          otherwise consent, provided that no such consent of the Borrower shall
          be required if an Event of Default has occurred and is continuing;

                    (B) each partial assignment shall be made as an assignment
          of a proportionate part of all the assigning Lender's rights and
          obligations under this Agreement;

                    (C) the parties to each assignment shall execute and deliver
          to the Administrative Agent an Assignment and Assumption, together
          with a processing and recordation fee of $3,500; and

                    (D) the assignee, if it shall not be a Lender, shall deliver
          to the Administrative Agent an Administrative Questionnaire.

               (iii) Subject to Section 12.04(b)(iv) and the acceptance and
     recording thereof, from and after the effective date specified in each
     Assignment and Assumption the assignee thereunder shall be a party hereto
     and, to the extent of the interest assigned by such Assignment and
     Assumption, have the rights and obligations of a Lender under this
     Agreement, and the assigning Lender thereunder shall, to the extent of the
     interest assigned by such Assignment and Assumption, be released from its
     obligations under this Agreement (and, in the case of an Assignment and
     Assumption covering all of the assigning Lender's rights and obligations
     under this Agreement, such Lender shall cease to be a party hereto but
     shall continue to be entitled to the benefits of Section 5.01, Section
     5.02, Section 5.03 and Section 12.03). Any assignment or transfer by a
     Lender of rights or obligations under this Agreement that does not comply
     with this Section 12.04 shall be treated for purposes of this Agreement as
     a sale by such Lender of a participation in such rights and obligations in
     accordance with Section 12.04(c).

               (iv) The Administrative Agent, acting for this purpose as an
     agent of the Borrower, shall maintain at one of its offices a copy of each
     Assignment and Assumption delivered to it and a register for the
     recordation of the names and addresses of the Lenders, and the Maximum
     Credit Amount of, and principal amount of the Loans and LC Disbursements
     owing to, each Lender pursuant to the terms hereof from time to time (the
     "Register"). The entries in the Register shall be conclusive, and the
     Borrower, the Administrative Agent, each Issuing Bank and the Lenders may
     treat each Person whose name is recorded in the Register pursuant to the
     terms hereof as a Lender hereunder for all purposes of this Agreement,
     notwithstanding notice to the contrary. The Register shall be available for
     inspection by the Borrower, any Issuing Bank and any Lender, at any
     reasonable time and

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<PAGE>

     from time to time upon reasonable prior notice. In connection with any
     changes to the Register, if necessary, the Administrative Agent will
     reflect the revisions on Annex I and forward a copy of such revised Annex I
     to the Borrower, each Issuing Bank and each Lender.

               (v) Upon its receipt of a duly completed Assignment and
     Assumption executed by an assigning Lender and an assignee, the assignee's
     completed Administrative Questionnaire (unless the assignee shall already
     be a Lender hereunder), the processing and recordation fee referred to in
     Section 12.04(b) and any written consent to such assignment required by
     Section 12.04(b), the Administrative Agent shall accept such Assignment and
     Assumption and record the information contained therein in the Register. No
     assignment shall be effective for purposes of this Agreement unless it has
     been recorded in the Register as provided in this Section 12.04(b).

          (c) (i) Any Lender may, without the consent of the Borrower the
Administrative Agent or any Issuing Bank, sell participations to one or more
banks or other entities (a "Participant") in all or a portion of such Lender's
rights and obligations under this Agreement (including all or a portion of its
Commitment and the Loans owing to it); provided that (A) such Lender's
obligations under this Agreement shall remain unchanged, (B) such Lender shall
remain solely responsible to the other parties hereto for the performance of
such obligations and (C) the Borrower, the Administrative Agent, each Issuing
Bank and the other Lenders shall continue to deal solely and directly with such
Lender in connection with such Lender's rights and obligations under this
Agreement. Any agreement or instrument pursuant to which a Lender sells such a
participation shall provide that such Lender shall retain the sole right to
enforce this Agreement and to approve any amendment, modification or waiver of
any provision of this Agreement; provided that such agreement or instrument may
provide that such Lender will not, without the consent of the Participant, agree
to any amendment, modification or waiver described in the proviso to Section
12.02 that affects such Participant. In addition such agreement must provide
that the Participant be bound by the provisions of Section 12.03. Subject to
Section 12.04(c)(ii), the Borrower agrees that each Participant shall be
entitled to the benefits of Section 5.01, Section 5.02 and Section 5.03 to the
same extent as if it were a Lender and had acquired its interest by assignment
pursuant to Section 12.04(b). To the extent permitted by law, each Participant
also shall be entitled to the benefits of Section 12.08 as though it were a
Lender, provided such Participant agrees to be subject to Section 4.01(c) as
though it were a Lender.

               (ii) A Participant shall not be entitled to receive any greater
     payment under Section 5.01 or Section 5.03 than the applicable Lender would
     have been entitled to receive with respect to the participation sold to
     such Participant, unless the sale of the participation to such Participant
     is made with the Borrower's prior written consent. A Participant that would
     be a Foreign Lender if it were a Lender shall not be entitled to the
     benefits of Section 5.03 unless the Borrower is notified of the
     participation sold to such Participant and such Participant agrees, for the
     benefit of the Borrower, to comply with Section 5.03(e) as though it were a
     Lender.

          (d) Any Lender may at any time pledge or assign a security interest in
all or any portion of its rights under this Agreement to secure obligations of
such Lender, including any pledge or assignment to secure obligations to a
Federal Reserve Bank, and this Section 12.04(d) shall not apply to any such
pledge or assignment of a security interest; provided that no such pledge or
assignment of a security interest shall release a Lender from any of its
obligations hereunder or substitute any such pledgee or assignee for such Lender
as a party hereto.

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     Section 12.05 Survival; Revival; Reinstatement.

          (a) All covenants, agreements, representations and warranties made by
the Borrower herein and in the certificates or other instruments delivered in
connection with or pursuant to this Agreement or any other Loan Document shall
be considered to have been relied upon by the other parties hereto and shall
survive the execution and delivery of this Agreement and the making of any Loans
and issuance of any Letters of Credit, regardless of any investigation made by
any such other party or on its behalf and notwithstanding that the
Administrative Agent, any Issuing Bank or any Lender may have had notice or
knowledge of any Default or incorrect representation or warranty at the time any
credit is extended hereunder, and shall continue in full force and effect as
long as the principal of or any accrued interest on any Loan or any fee or any
other amount payable under this Agreement is outstanding and unpaid or any
Letter of Credit is outstanding and so long as the Commitments have not expired
or terminated. The provisions of Section 5.01, Section 5.02, Section 5.03 and
Section 12.03 and ARTICLE XI shall survive and remain in full force and effect
regardless of the consummation of the transactions contemplated hereby, the
repayment of the Loans, the expiration or termination of the Letters of Credit
and the Commitments or the termination of this Agreement, any other Loan
Document or any provision hereof or thereof.

          (b) To the extent that any payments on the Indebtedness or proceeds of
any collateral are subsequently invalidated, declared to be fraudulent or
preferential, set aside or required to be repaid to a trustee, debtor in
possession, receiver or other Person under any bankruptcy law, common law or
equitable cause, then to such extent, the Indebtedness so satisfied shall be
revived and continue as if such payment or proceeds had not been received and
the Administrative Agent's and the Lenders' Liens, security interests, rights,
powers and remedies under this Agreement and each Loan Document shall continue
in full force and effect. In such event, each Loan Document shall be
automatically reinstated and the Borrower shall take such action as may be
reasonably requested by the Administrative Agent and the Lenders to effect such
reinstatement.

     Section 12.06 Counterparts; Integration; Effectiveness.

          (a) This Agreement may be executed in counterparts (and by different
parties hereto on different counterparts), each of which shall constitute an
original, but all of which when taken together shall constitute a single
contract.

          (b) This Agreement, the other Loan Documents and any separate letter
agreements with respect to fees payable to the Administrative Agent constitute
the entire contract among the parties relating to the subject matter hereof and
thereof and supersede any and all previous agreements and understandings, oral
or written, relating to the subject matter hereof and thereof. THIS AGREEMENT
AND THE OTHER LOAN DOCUMENTS REPRESENT THE FINAL AGREEMENT AMONG THE PARTIES
HERETO AND THERETO AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR,
CONTEMPORANEOUS OR SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES. THERE ARE NO
UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES.

          (c) Except as provided in Section 6.01, this Agreement shall become
effective when it shall have been executed by the Administrative Agent and when
the Administrative Agent shall have received counterparts hereof which, when
taken together, bear the signatures of each of the other parties hereto, and
thereafter shall be binding upon and inure to the benefit of the parties hereto
and their respective successors and assigns. Delivery of an executed counterpart
of a signature page

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of this Agreement by telecopy shall be effective as delivery of a manually
executed counterpart of this Agreement.

     Section 12.07 Severability. Any provision of this Agreement or any other
Loan Document held to be invalid, illegal or unenforceable in any jurisdiction
shall, as to such jurisdiction, be ineffective to the extent of such invalidity,
illegality or unenforceability without affecting the validity, legality and
enforceability of the remaining provisions hereof or thereof; and the invalidity
of a particular provision in a particular jurisdiction shall not invalidate such
provision in any other jurisdiction.

     Section 12.08 Right of Setoff. If an Event of Default shall have occurred
and be continuing, each Lender and each of its Affiliates is hereby authorized
at any time and from time to time, to the fullest extent permitted by law, to
set off and apply any and all deposits (general or special, time or demand,
provisional or final) at any time held and other obligations (of whatsoever
kind, including, without limitations obligations under Swap Agreements) at any
time owing by such Lender or Affiliate to or for the credit or the account of
the Borrower or any of its Subsidiaries against any of and all the obligations
of the Borrower or any of its Subsidiaries owed to such Lender now or hereafter
existing under this Agreement or any other Loan Document, irrespective of
whether or not such Lender shall have made any demand under this Agreement or
any other Loan Document and although such obligations may be unmatured. The
rights of each Lender under this Section 12.08 are in addition to other rights
and remedies (including other rights of setoff) which such Lender or its
Affiliates may have.

     Section 12.09 GOVERNING LAW; JURISDICTION; CONSENT TO SERVICE OF PROCESS.

          (a) THIS AGREEMENT AND THE NOTES SHALL BE GOVERNED BY, AND CONSTRUED
IN ACCORDANCE WITH, THE LAWS OF THE STATE OF TEXAS EXCEPT TO THE EXTENT THAT
UNITED STATES FEDERAL LAW PERMITS ANY LENDER TO CONTRACT FOR, CHARGE, RECEIVE,
RESERVE OR TAKE INTEREST AT THE RATE ALLOWED BY THE LAWS OF THE STATE WHERE SUCH
LENDER IS LOCATED. CHAPTER 346 OF THE TEXAS FINANCE CODE (WHICH REGULATES
CERTAIN REVOLVING CREDIT LOAN ACCOUNTS AND REVOLVING TRI-PARTY ACCOUNTS) SHALL
NOT APPLY TO THIS AGREEMENT OR THE NOTES.

          (b) ANY LEGAL ACTION OR PROCEEDING WITH RESPECT TO THE LOAN DOCUMENTS
SHALL BE BROUGHT IN THE COURTS OF THE STATE OF TEXAS OR OF THE UNITED STATES OF
AMERICA FOR THE SOUTHERN DISTRICT OF TEXAS, HOUSTON DIVISION, AND, BY EXECUTION
AND DELIVERY OF THIS AGREEMENT, EACH PARTY HEREBY ACCEPTS FOR ITSELF AND (TO THE
EXTENT PERMITTED BY LAW) IN RESPECT OF ITS PROPERTY, GENERALLY AND
UNCONDITIONALLY, THE JURISDICTION OF THE AFORESAID COURTS. EACH PARTY HEREBY
IRREVOCABLY WAIVES ANY OBJECTION, INCLUDING, WITHOUT LIMITATION, ANY OBJECTION
TO THE LAYING OF VENUE OR BASED ON THE GROUNDS OF FORUM NON CONVENIENS, WHICH IT
MAY NOW OR HEREAFTER HAVE TO THE BRINGING OF ANY SUCH ACTION OR PROCEEDING IN
SUCH RESPECTIVE JURISDICTIONS. THIS SUBMISSION TO JURISDICTION IS NON-EXCLUSIVE
AND DOES NOT PRECLUDE A PARTY FROM OBTAINING JURISDICTION OVER ANOTHER PARTY IN
ANY COURT OTHERWISE HAVING JURISDICTION.

                                       81

<PAGE>

          (c) EACH PARTY IRREVOCABLY CONSENTS TO THE SERVICE OF PROCESS OF ANY
OF THE AFOREMENTIONED COURTS IN ANY SUCH ACTION OR PROCEEDING BY THE MAILING OF
COPIES THEREOF BY REGISTERED OR CERTIFIED MAIL, POSTAGE PREPAID, TO IT AT THE
ADDRESS SPECIFIED IN SECTION 12.01 OR SUCH OTHER ADDRESS AS IS SPECIFIED
PURSUANT TO SECTION 12.01 (OR ITS ASSIGNMENT AND ASSUMPTION), SUCH SERVICE TO
BECOME EFFECTIVE THIRTY (30) DAYS AFTER SUCH MAILING. NOTHING HEREIN SHALL
AFFECT THE RIGHT OF A PARTY OR ANY HOLDER OF A NOTE TO SERVE PROCESS IN ANY
OTHER MANNER PERMITTED BY LAW OR TO COMMENCE LEGAL PROCEEDINGS OR OTHERWISE
PROCEED AGAINST ANOTHER PARTY IN ANY OTHER JURISDICTION.

          (d) EACH PARTY HEREBY (i) IRREVOCABLY AND UNCONDITIONALLY WAIVES, TO
THE FULLEST EXTENT PERMITTED BY LAW, TRIAL BY JURY IN ANY LEGAL ACTION OR
PROCEEDING RELATING TO THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT AND FOR ANY
COUNTERCLAIM THEREIN; (ii) IRREVOCABLY WAIVES, TO THE MAXIMUM EXTENT NOT
PROHIBITED BY LAW, ANY RIGHT IT MAY HAVE TO CLAIM OR RECOVER IN ANY SUCH
LITIGATION ANY SPECIAL, EXEMPLARY, PUNITIVE OR CONSEQUENTIAL DAMAGES, OR DAMAGES
OTHER THAN, OR IN ADDITION TO, ACTUAL DAMAGES; (iii) CERTIFIES THAT NO PARTY
HERETO NOR ANY REPRESENTATIVE OR AGENT OF COUNSEL FOR ANY PARTY HERETO HAS
REPRESENTED, EXPRESSLY OR OTHERWISE, OR IMPLIED THAT SUCH PARTY WOULD NOT, IN
THE EVENT OF LITIGATION, SEEK TO ENFORCE THE FOREGOING WAIVERS, AND (iv)
ACKNOWLEDGES THAT IT HAS BEEN INDUCED TO ENTER INTO THIS AGREEMENT, THE LOAN
DOCUMENTS AND THE TRANSACTIONS CONTEMPLATED HEREBY AND THEREBY BY, AMONG OTHER
THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS CONTAINED IN THIS SECTION 12.09.

     Section 12.10 Headings. Article and Section headings and the Table of
Contents used herein are for convenience of reference only, are not part of this
Agreement and shall not affect the construction of, or be taken into
consideration in interpreting, this Agreement.

     Section 12.11 Confidentiality. The Administrative Agent, each Issuing Bank
and the Lenders agrees to maintain the confidentiality of the Information (as
defined below), except that Information may be disclosed (a) to its and its
Affiliates' directors, officers, employees and agents, including accountants,
legal counsel and other advisors (it being understood that the Persons to whom
such disclosure is made will be informed of the confidential nature of such
Information and instructed to keep such Information confidential), (b) to the
extent requested by any regulatory authority, (c) to the extent required by
applicable laws or regulations or by any subpoena or similar legal process, (d)
to any other party to this Agreement or any other Loan Document, (e) in
connection with the exercise of any remedies hereunder or under any other Loan
Document or any suit, action or proceeding relating to this Agreement or any
other Loan Document or the enforcement of rights hereunder or thereunder, (f)
subject to an agreement containing provisions substantially the same as those of
this Section 12.11, to (i) any assignee of or Participant in, or any prospective
assignee of or Participant in, any of its rights or obligations under this
Agreement or (ii) any actual or prospective counterparty (or its advisors) to
any Swap Agreement relating to the Borrower and their obligations, (g) with the
consent of the Borrower or (h) to the extent such Information (i) becomes
publicly available other than as a result of a breach of this Section 12.11 or
(ii) becomes available to the Administrative Agent, any Issuing Bank or any
Lender on a nonconfidential basis from a source other than the Borrower. For the
purposes of this Section 12.11, "Information" means all

                                       82

<PAGE>

information received from the Borrower or any of its Subsidiaries relating to
the Borrower or any of its Subsidiaries and their businesses, other than any
such information that is available to the Administrative Agent, any Issuing Bank
or any Lender on a nonconfidential basis prior to disclosure by the Borrower or
any of its Subsidiaries; provided that, in the case of information received from
the Borrower, or any of its Subsidiaries after the date hereof, such information
is clearly identified at the time of delivery as confidential. Any Person
required to maintain the confidentiality of Information as provided in this
Section 12.11 shall be considered to have complied with its obligation to do so
if such Person has exercised the same degree of care to maintain the
confidentiality of such Information as such Person would accord to its own
confidential information.

     Section 12.12 Interest Rate Limitation. It is the intention of the parties
hereto that each Lender shall conform strictly to usury laws applicable to it.
Accordingly, if the transactions contemplated hereby would be usurious as to any
Lender under laws applicable to it (including the laws of the United States of
America and the State of Texas or any other jurisdiction whose laws may be
mandatorily applicable to such Lender notwithstanding the other provisions of
this Agreement), then, in that event, notwithstanding anything to the contrary
in any of the Loan Documents or any agreement entered into in connection with or
as security for the Notes, it is agreed as follows: (a) the aggregate of all
consideration which constitutes interest under law applicable to any Lender that
is contracted for, taken, reserved, charged or received by such Lender under any
of the Loan Documents or agreements or otherwise in connection with the Notes
shall under no circumstances exceed the maximum amount allowed by such
applicable law, and any excess shall be canceled automatically and if
theretofore paid shall be credited by such Lender on the principal amount of the
Indebtedness (or, to the extent that the principal amount of the Indebtedness
shall have been or would thereby be paid in full, refunded by such Lender to the
Borrower); and (b) in the event that the maturity of the Notes is accelerated by
reason of an election of the holder thereof resulting from any Event of Default
under this Agreement or otherwise, or in the event of any required or permitted
prepayment, then such consideration that constitutes interest under law
applicable to any Lender may never include more than the maximum amount allowed
by such applicable law, and excess interest, if any, provided for in this
Agreement or otherwise shall be canceled automatically by such Lender as of the
date of such acceleration or prepayment and, if theretofore paid, shall be
credited by such Lender on the principal amount of the Indebtedness (or, to the
extent that the principal amount of the Indebtedness shall have been or would
thereby be paid in full, refunded by such Lender to the Borrower). All sums paid
or agreed to be paid to any Lender for the use, forbearance or detention of sums
due hereunder shall, to the extent permitted by law applicable to such Lender,
be amortized, prorated, allocated and spread throughout the stated term of the
Loans evidenced by the Notes until payment in full so that the rate or amount of
interest on account of any Loans hereunder does not exceed the maximum amount
allowed by such applicable law. If at any time and from time to time (i) the
amount of interest payable to any Lender on any date shall be computed at the
Highest Lawful Rate applicable to such Lender pursuant to this Section 12.12 and
(ii) in respect of any subsequent interest computation period the amount of
interest otherwise payable to such Lender would be less than the amount of
interest payable to such Lender computed at the Highest Lawful Rate applicable
to such Lender, then the amount of interest payable to such Lender in respect of
such subsequent interest computation period shall continue to be computed at the
Highest Lawful Rate applicable to such Lender until the total amount of interest
payable to such Lender shall equal the total amount of interest which would have
been payable to such Lender if the total amount of interest had been computed
without giving effect to this Section 12.12. To the extent that Chapter 303 of
the Texas Finance Code is relevant for the purpose of determining the Highest
Lawful Rate applicable to a Lender, such Lender elects to determine the
applicable rate ceiling under such Chapter by the weekly

                                       83

<PAGE>

ceiling from time to time in effect. Chapter 346 of the Texas Finance Code does
not apply to the Borrower's obligations hereunder.

     Section 12.13 EXCULPATION PROVISIONS. EACH OF THE PARTIES HERETO
SPECIFICALLY AGREES THAT IT HAS A DUTY TO READ THIS AGREEMENT AND THE OTHER LOAN
DOCUMENTS AND AGREES THAT IT IS CHARGED WITH NOTICE AND KNOWLEDGE OF THE TERMS
OF THIS AGREEMENT AND THE OTHER LOAN DOCUMENTS; THAT IT HAS IN FACT READ THIS
AGREEMENT AND IS FULLY INFORMED AND HAS FULL NOTICE AND KNOWLEDGE OF THE TERMS,
CONDITIONS AND EFFECTS OF THIS AGREEMENT; THAT IT HAS BEEN REPRESENTED BY
INDEPENDENT LEGAL COUNSEL OF ITS CHOICE THROUGHOUT THE NEGOTIATIONS PRECEDING
ITS EXECUTION OF THIS AGREEMENT AND THE OTHER LOAN DOCUMENTS; AND HAS RECEIVED
THE ADVICE OF ITS ATTORNEY IN ENTERING INTO THIS AGREEMENT AND THE OTHER LOAN
DOCUMENTS; AND THAT IT RECOGNIZES THAT CERTAIN OF THE TERMS OF THIS AGREEMENT
AND THE OTHER LOAN DOCUMENTS RESULT IN ONE PARTY ASSUMING THE LIABILITY INHERENT
IN SOME ASPECTS OF THE TRANSACTION AND RELIEVING THE OTHER PARTY OF ITS
RESPONSIBILITY FOR SUCH LIABILITY. EACH PARTY HERETO AGREES AND COVENANTS THAT
IT WILL NOT CONTEST THE VALIDITY OR ENFORCEABILITY OF ANY EXCULPATORY PROVISION
OF THIS AGREEMENT AND THE OTHER LOAN DOCUMENTS ON THE BASIS THAT THE PARTY HAD
NO NOTICE OR KNOWLEDGE OF SUCH PROVISION OR THAT THE PROVISION IS NOT
"CONSPICUOUS."

     Section 12.14 Collateral Matters; Swap Agreements. The benefit of the
Security Instruments and of the provisions of this Agreement relating to any
collateral securing the Indebtedness shall also extend to and be available to
those Lenders or their Affiliates which are counterparties to any Swap Agreement
with the Borrower or any of its Subsidiaries on a pro rata basis in respect of
any obligations of the Borrower or any of its Subsidiaries which arise under any
such Swap Agreement while such Person or its Affiliate is a Lender, but only
while such Person or its Affiliate is a Lender, including any Swap Agreements
between such Persons in existence prior to the date hereof. No Lender or any
Affiliate of a Lender shall have any voting rights under any Loan Document as a
result of the existence of obligations owed to it under any such Swap
Agreements.

     Section 12.15 No Third Party Beneficiaries. This Agreement, the other Loan
Documents, and the agreement of the Lenders to make Loans and the Issuing Bank
to issue, amend, renew or extend Letters of Credit hereunder are solely for the
benefit of the Borrower, and no other Person (including, without limitation, any
Subsidiary of the Borrower, any obligor, contractor, subcontractor, supplier or
materialsman) shall have any rights, claims, remedies or privileges hereunder or
under any other Loan Document against the Administrative Agent, the Issuing Bank
or any Lender for any reason whatsoever. There are no third party beneficiaries.

     Section 12.16 USA Patriot Act Notice. Each Lender hereby notifies the
Borrower that pursuant to the requirements of the USA Patriot Act (Title III of
Pub. L. 107-56 (signed into law October 26, 2001)) (the "Act"), it is required
to obtain, verify and record information that identifies the Borrower, which
information includes the name and address of the Borrower and other information
that will allow such Lender to identify the Borrower in accordance with the Act.

                          [SIGNATURES BEGIN NEXT PAGE]

                                       84

<PAGE>

     The parties hereto have caused this Agreement to be duly executed as of the
day and year first above written.

BORROWER:                               LEGACY RESERVES LP

                                        BY: LEGACY RESERVES GP, LLC,
                                            ITS GENERAL PARTNER

                                        By: /s/ Steven H. Pruett
                                            ------------------------------------
                                            Steven H. Pruett,
                                            President, Chief Financial Officer
                                            and Secretary

                                SIGNATURE PAGE 1

<PAGE>

ADMINISTRATIVE AGENT:                   BNP PARIBAS, as Administrative Agent

                                        By:     /s/ Russell Otts
                                               ---------------------------------
                                        Name:   Russell Otts
                                        Title:  Vice President

                                        By:     /s/ Betsy Jocher
                                               ---------------------------------
                                        Name:   Betsy Jocher
                                        Title:  Vice President

                                SIGNATURE PAGE 2

<PAGE>

LENDERS:                                BNP PARIBAS

                                        By:    /s/ Russell Otts
                                            ------------------------------------
                                        Name:  Russell Otts
                                        Title: Vice President

                                        By:    /s/ Betsy Jocher
                                            ------------------------------------
                                        Name:  Betsy Jocher
                                        Title: Vice President

                                SIGNATURE PAGE 3

<PAGE>

                                        BANK OF AMERICA N.A.

                                        By:    /s/ Charles W. Patterson
                                            ------------------------------------
                                        Name:  Charles W. Patterson
                                        Title: Managing Director

                                SIGNATURE PAGE 4

<PAGE>

                                        COMERICA BANK

                                        By:    /s/ Matthew J. Purchase
                                            ------------------------------------
                                        Name:  Matthew J. Purchase
                                        Title: Vice President

                                SIGNATURE PAGE 5

<PAGE>

                                        KEYBANK N.A.

                                        By:    /s/ Thomas Rajan
                                            ------------------------------------
                                        Name:  Thomas Rajan
                                        Title: Senior Vice President

                                SIGNATURE PAGE 6
<PAGE>

                                     ANNEX I
                         LIST OF MAXIMUM CREDIT AMOUNTS

                        AGGREGATE MAXIMUM CREDIT AMOUNTS

<TABLE>
<CAPTION>
   NAME OF LENDER      APPLICABLE PERCENTAGE   MAXIMUM CREDIT AMOUNT
   --------------      ---------------------   ---------------------
<S>                    <C>                     <C>
BNP Paribas                 34.6153846%           $103,846,153.85
Bank of America N.A.        30.7692308%           $ 92,307,692.31
Comerica Bank               17.3076923%           $ 51,923,076.92
KeyBank N.A.                17.3076923%           $ 51,923,076.92
                            ----------            ---------------
TOTAL                              100%           $300,000,000.00
                            ==========            ===============
</TABLE>

                                   ANNEX I-1

<PAGE>

                                    EXHIBIT A
                                 [FORM OF] NOTE

$[_______]                                                    [_______], 200[__]

     FOR VALUE RECEIVED, Legacy Reserves LP, a Delaware limited partnership (the
"Borrower"), hereby promises to pay to the order of [______] (the "Lender"), at
the principal office of BNP Paribas, as administrative agent (the
"Administrative Agent"), the principal sum of [______] Dollars ($[______]) (or
such lesser amount as shall equal the aggregate unpaid principal amount of the
Loans made by the Lender to the Borrower under the Credit Agreement, as
hereinafter defined), in lawful money of the United States of America and in
immediately available funds, on the dates and in the principal amounts provided
in the Credit Agreement, and to pay interest on the unpaid principal amount of
each such Loan, at such office, in like money and funds, for the period
commencing on the date of such Loan until such Loan shall be paid in full, at
the rates per annum and on the dates provided in the Credit Agreement.

     The date, amount, Type, interest rate, Interest Period and maturity of each
Loan made by the Lender to the Borrower, and each payment made on account of the
principal thereof, shall be recorded by the Lender on its books and, prior to
any transfer of this Note, may be endorsed by the Lender on the schedules
attached hereto or any continuation thereof or on any separate record maintained
by the Lender. Failure to make any such notation or to attach a schedule shall
not affect any Lender's or the Borrower's rights or obligations in respect of
such Loans or affect the validity of such transfer by any Lender of this Note.

     This Note is one of the Notes referred to in the Credit Agreement dated as
of March 15, 2006 among the Borrower, the Administrative Agent, and the lenders
signatory thereto (including the Lender), and evidences Loans made by the Lender
thereunder (such Credit Agreement as the same may be amended, supplemented or
restated from time to time, the "Credit Agreement"). Capitalized terms used in
this Note have the respective meanings assigned to them in the Credit Agreement.

     This Note is issued pursuant to, and is subject to the terms and conditions
set forth in, the Credit Agreement and is entitled to the benefits provided for
in the Credit Agreement and the other Loan Documents. The Credit Agreement
provides for the acceleration of the maturity of this Note upon the occurrence
of certain events, for prepayments of Loans upon the terms and conditions
specified therein and other provisions relevant to this Note.

                                   EXHIBIT A

<PAGE>

     THIS NOTE SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS
OF THE STATE OF TEXAS.

                                        LEGACY RESERVES LP

                                        BY: LEGACY RESERVES GP, LLC,
                                            ITS GENERAL PARTNER

                                        By:
                                            ------------------------------------
                                        Name: Steven H. Pruett
                                        Title: President, Chief Financial
                                               Officer and Secretary

                                   EXHIBIT A

<PAGE>

                                    EXHIBIT B
                                    [FORM OF]
                             COMPLIANCE CERTIFICATE

     Each of the undersigned hereby certifies that he/she is the [__________] of
Legacy Reserves LP, a Delaware limited partnership (the "Borrower"), and that as
such he/she is authorized to execute this certificate on behalf of the Borrower.
With reference to the Credit Agreement dated as of March 15, 2006 (together with
all amendments, supplements or restatements thereto being the "Agreement") among
the Borrower, BNP Paribas, as Administrative Agent, and the lenders (the
"Lenders") which are or become a party thereto, and such Lenders, each of the
undersigned represents and warrants as follows (each capitalized term used
herein having the same meaning given to it in the Agreement unless otherwise
specified):

     (a) The representations and warranties of the Borrower contained in Article
VII of the Agreement and in the Loan Documents and otherwise made in writing by
or on behalf of the Borrower or any other Guarantor pursuant to the Agreement
and the Loan Documents were true and correct when made, and are repeated at and
as of the time of delivery hereof and are true and correct in all material
respects at and as of the time of delivery hereof, except to the extent such
representations and warranties are expressly limited to an earlier date or the
Majority Lenders have expressly consented in writing to the contrary.

     (b) The Borrower has performed and complied with all agreements and
conditions contained in the Agreement and in the Loan Documents required to be
performed or complied with by it prior to or at the time of delivery hereof [or
specify default and describe].

     (c) Since September 30, 2005, no change has occurred, either in any case or
in the aggregate, in the condition, financial or otherwise, of the Borrower or
any of its Subsidiaries that could reasonably be expected to have a Material
Adverse Effect [or specify event].

     (d) There exists no Default or Event of Default [or specify Default and
describe].

     (e) Attached hereto are the detailed computations necessary to determine
whether the Borrower is in compliance with Section 9.01 and Section 8.14 as of
the end of the fiscal quarter ending [_______].

                                   EXHIBIT B

<PAGE>

     EXECUTED AND DELIVERED this [______] day of [______].

                                        LEGACY RESERVES LP

                                        By: Legacy Reserves GP, LLC,
                                            its general partner

                                        By:
                                            ------------------------------------
                                        Name:
                                              ----------------------------------
                                        Title:
                                               ---------------------------------

                                   EXHIBIT B

<PAGE>

                                   EXHIBIT C-1
                              SECURITY INSTRUMENTS

     1)   Guaranty Agreement among Legacy Reserves Operating LP, Legacy Reserves
          Operating GP LLC, Legacy Reserves Services, Inc., and the
          Administrative Agent

     2)   Pledge Agreement among the Borrower, Legacy Reserves Operating GP LLC,
          and the Administrative Agent pledging limited partner interests in
          Legacy Reserves Operating LP, membership interests in Legacy Reserves
          Operating GP LLC and general partner interests in Legacy Reserves
          Operating LP

     3)   Pledge Agreement Financing Statements:

          (a)  Borrower

          (b)  Legacy Reserves Operating GP LLC

     4)   Deed of Trust, Mortgage, Line of Credit Mortgage, Assignment of
          As-Extracted Collateral, Security Agreement, Fixture Filing and
          Financing Statement (New Mexico), by Legacy Reserves Operating LP
          in favor of Paribas North America, Inc., as Mortgagee and
          Administrative Agent

     5)   New Mexico UCC-1, to be filed with the Delaware Secretary of State

     6)   Deed of Trust, Mortgage, Assignment of As-Extracted Collateral,
          Security Agreement, Fixture Filing and Financing Statement (Texas), by
          Legacy Reserves Operating LP in favor of BNP Paribas, as Mortgagee and
          Administrative Agent

     7)   Texas UCC-1, to be filed with the Delaware Secretary of State

     8)   Fee Letter with BNP Paribas referred to in Section 3.05(c)

                                  EXHIBIT C-1

<PAGE>

                                   EXHIBIT C-2
                           FORM OF GUARANTY AGREEMENT

                                  EXHIBIT C-2

<PAGE>

                               GUARANTY AGREEMENT

                                   DATED AS OF
                                 MARCH 15, 2006

                                     MADE BY

                          LEGACY RESERVES OPERATING LP,
                        LEGACY RESERVES OPERATING GP LLC,
                         LEGACY RESERVES SERVICES, INC.
                                       AND
                EACH OF THE OTHER GUARANTORS (AS DEFINED HEREIN)

                                   IN FAVOR OF

                                  BNP PARIBAS,
                             AS ADMINISTRATIVE AGENT

<PAGE>

                                TABLE OF CONTENTS
<Table>
<Caption>
                                                                                                                Page
<S>                     <C>                                                                                     <C>
ARTICLE I DEFINITIONS.............................................................................................1
   Section 1.01         Definitions...............................................................................1
   Section 1.02         Rules of Interpretation...................................................................3
ARTICLE II GUARANTEE..............................................................................................3
   Section 2.01         Guarantee.................................................................................3
   Section 2.02         Right of Contribution.....................................................................4
   Section 2.03         No Subrogation............................................................................4
   Section 2.04         Guaranty Amendments, Etc. with respect to the Borrower Obligations........................4
   Section 2.05         Waivers...................................................................................5
   Section 2.06         Guaranty Absolute and Unconditional.......................................................5
   Section 2.07         Reinstatement.............................................................................7
   Section 2.08         Payments..................................................................................7
ARTICLE III REPRESENTATIONS AND WARRANTIES........................................................................7
   Section 3.01         Representations in Credit Agreement.......................................................7
   Section 3.02         Guarantor Information.....................................................................7
   Section 3.03         Benefit to the Guarantor..................................................................7
   Section 3.04         Solvency..................................................................................7
ARTICLE IV THE ADMINISTRATIVE AGENT...............................................................................8
   Section 4.01         Authority of Administrative Agent.........................................................8
ARTICLE V SUBORDINATION OF INDEBTEDNESS...........................................................................8
   Section 5.01         Subordination of All Guarantor Claims.....................................................8
   Section 5.02         Claims in Bankruptcy......................................................................8
   Section 5.03         Payments Held in Trust....................................................................9
   Section 5.04         Liens Subordinate.........................................................................9
   Section 5.05         Notation of Records.......................................................................9
ARTICLE VI MISCELLANEOUS..........................................................................................9
   Section 6.01         Waiver....................................................................................9
   Section 6.02         Notices..................................................................................10
   Section 6.03         Payment of Expenses, Indemnities, Etc....................................................10
   Section 6.04         Amendments in Writing....................................................................10
   Section 6.05         Successors and Assigns...................................................................10
   Section 6.06         Survival; Revival; Reinstatement.........................................................10
   Section 6.07         Counterparts; Integration; Effectiveness.................................................11
   Section 6.08         Severability.............................................................................12
   Section 6.09         Set-Off..................................................................................12
   Section 6.10         Governing Law; Submission to Jurisdiction................................................12
   Section 6.11         Headings.................................................................................13
   Section 6.12         Acknowledgments..........................................................................13
   Section 6.13         Additional Guarantors....................................................................14
   Section 6.14         Acceptance...............................................................................14
</Table>

                                      -i-
<PAGE>

SCHEDULES:
Schedule 1        Notice Addresses of Guarantors
Schedule 2        Location of Jurisdiction of Organization and Chief Executive
                  Office

ANNEXES:
Annex I  Form of Assumption Agreement

                                      -ii-
<PAGE>

         This GUARANTY AGREEMENT, dated as of March 15, 2006, is made by LEGACY
RESERVES OPERATING LP, a Delaware limited partnership, LEGACY RESERVES OPERATING
GP LLC, a Delaware limited liability company, LEGACY RESERVES SERVICES, INC., a
Texas corporation, (together with any other Subsidiary of the Borrower, as
defined below, that becomes a party hereto from time to time after the date
hereof, the "Guarantors"), in favor of BNP PARIBAS as administrative agent (in
such capacity, together with its successors in such capacity, the
"Administrative Agent"), for the banks and other financial institutions (the
"Lenders") from time to time parties to the Credit Agreement dated as of the
date hereof (as amended, supplemented or otherwise modified from time to time,
the "Credit Agreement"), among the Borrower, the Lenders and the Administrative
Agent.

                                 R E C I T A L S

         Legacy Reserves LP, a Delaware limited liability company (the
"Borrower") has requested that the Lenders provide certain loans to and
extensions of credit on behalf of the Borrower.

         The Lenders have agreed to make such loans and extensions of credit
subject to the terms and conditions of the Credit Agreement.

         It is a condition precedent to the obligation of the Lenders to make
their respective extensions of credit to the Borrower under the Credit Agreement
that the Guarantors shall have executed and delivered this Agreement to the
Administrative Agent for the ratable benefit of the Lenders.

         In consideration of the premises herein and to induce the
Administrative Agent and the Lenders to enter into the Credit Agreement and the
Swap Agreements and to induce the Lenders to make their respective extensions of
credit to the Borrower thereunder, the Guarantors hereby agree with the
Administrative Agent, for the ratable benefit of the Lenders, as follows:

                                    ARTICLE I
                                   DEFINITIONS

         Section 1.01 Definitions.

                  (a) Unless otherwise defined herein, terms defined in the
Credit Agreement and used herein have the meanings given to them in the Credit
Agreement, and all uncapitalized terms which are defined in the UCC on the date
hereof are used herein as so defined.

                  (b) The following terms have the following meanings:

         "Agreement" means this Guaranty Agreement, as the same may be amended,
restated, supplemented or otherwise modified from time to time.

         "Assumption Agreement" means an Assumption Agreement substantially in
the form attached hereto as Annex I.

         "Bankruptcy Code" means title 11, United States Code, as amended from
time to time.

<PAGE>

         "Borrower Obligations" means the collective reference to the payment
and performance of all Indebtedness and all obligations of the Borrower and its
Subsidiaries under the Guaranteed Documents, including, without limitation, the
unpaid principal of and interest on the Loans and the LC Exposure and all other
obligations and liabilities of the Borrower and its Subsidiaries (including,
without limitation, interest accruing at the then applicable rate provided in
the Credit Agreement after the maturity of the Loans and LC Exposure and
interest accruing after the filing of any petition in bankruptcy, or the
commencement of any insolvency, reorganization or like proceeding, relating to
the Borrower, whether or not a claim for post-filing or post-petition interest
is allowed in such proceeding) to the Guaranteed Creditors, whether direct or
indirect, absolute or contingent, due or to become due, or now existing or
hereafter incurred, which may arise under, out of, or in connection with, the
Guaranteed Documents, whether on account of principal, interest, reimbursement
obligations, payments in respect of an early termination date, fees,
indemnities, costs, expenses or otherwise (including, without limitation, all
fees and disbursements of counsel to the Guaranteed Creditors that are required
to be paid by the Borrower pursuant to the terms of any Guaranteed Documents).

         "Guaranteed Creditors" means the collective reference to the
Administrative Agent, the Lenders and the Affiliates of Lenders that are parties
to Guaranteed Swap Agreements.

         "Guaranteed Documents" means the collective reference to the Credit
Agreement, the other Loan Documents, each Guaranteed Swap Agreement and any
other document made, delivered or given in connection with any of the foregoing.

         "Guaranteed Swap Agreement" means any Swap Agreement between the
Borrower or any of its Subsidiaries and any Lender or any Affiliate of any
Lender while such Person (or, in the case of an Affiliate of a Lender, the
Person affiliated therewith) is a Lender regardless of when such Swap Agreement
was entered into. For the avoidance of doubt, a Swap Agreement ceases to be a
Guaranteed Swap Agreement if the Person that is the counterparty to the Borrower
or one of its Subsidiaries under a Swap Agreement ceases to be a Lender under
the Credit Agreement (or, in the case of an Affiliate of a Lender, the Person
affiliated therewith ceases to be a Lender under the Credit Agreement).

         "Guarantor Obligations" means with respect to any Guarantor, the
collective reference to (a) the Borrower Obligations and (b) all obligations and
liabilities of such Guarantor which may arise under or in connection with any
Guaranteed Document to which such Guarantor is a party, in each case, whether on
account of principal, interest, guarantee obligations, reimbursement
obligations, payments in respect of an early termination date, fees,
indemnities, costs, expenses or otherwise (including, without limitation, all
fees and disbursements of counsel to any Guaranteed Creditor under any
Guaranteed Document).

         "Obligations" means: (a) in the case of the Borrower, the Borrower
Obligations and (b) in the case of each Guarantor, its Guarantor Obligations.

         "Guarantor Claims" has the meaning assigned to such term in Section
5.01.

                                      -2-
<PAGE>

         Section 1.02 Rules of Interpretation. Section 1.04 and Section 1.05 of
the Credit Agreement are hereby incorporated herein by reference and shall apply
to this Agreement, mutatis mutandis.

                                   ARTICLE II
                                    GUARANTEE

         Section 2.01 Guarantee.

                  (a) Each of the Guarantors hereby jointly and severally,
unconditionally and irrevocably, guarantees to the Guaranteed Creditors and each
of their respective successors, indorsees, transferees and assigns, the prompt
and complete payment in cash and performance by the Borrower when due (whether
at the stated maturity, by acceleration or otherwise) of the Borrower
Obligations. This is a guarantee of payment and not collection and the liability
of each Guarantor is primary and not secondary.

                  (b) Anything herein or in any other Loan Document to the
contrary notwithstanding, the maximum liability of each Guarantor hereunder and
under the other Loan Documents shall in no event exceed the amount which can be
guaranteed by such Guarantor under applicable federal and state laws relating to
the insolvency of debtors (after giving effect to the right of contribution
established in Section 2.02).

                  (c) Each Guarantor agrees that the Borrower Obligations may at
any time and from time to time exceed the amount of the liability of such
Guarantor hereunder without impairing the guarantee contained in this ARTICLE II
or affecting the rights and remedies of any Guaranteed Creditor hereunder.

                  (d) Each Guarantor agrees that if the maturity of the Borrower
Obligations is accelerated by bankruptcy or otherwise, such maturity shall also
be deemed accelerated for the purpose of this guarantee without demand or notice
to such Guarantor. The guarantee contained in this ARTICLE II shall remain in
full force and effect until all the Borrower Obligations shall have been
satisfied by payment in full in cash, no Letter of Credit shall be outstanding
and all of the Commitments are terminated, notwithstanding that from time to
time during the term of the Credit Agreement, no Borrower Obligations may be
outstanding.

                  (e) No payment made by any Guarantor, any other guarantor or
any other Person or received or collected by any Guaranteed Creditor from the
Borrower, any of the Guarantors, any other guarantor or any other Person by
virtue of any action or proceeding or any set-off or appropriation or
application at any time or from time to time in reduction of or in payment of
the Borrower Obligations shall be deemed to modify, reduce, release or otherwise
affect the liability of any Guarantor hereunder which shall, notwithstanding any
such payment (other than any payment made by such Guarantor in respect of the
Borrower Obligations or any payment received or collected from such Guarantor in
respect of the Borrower Obligations), remain liable for the Borrower Obligations
up to the maximum liability of such Guarantor hereunder until the Borrower
Obligations are paid in full in cash, no Letter of Credit shall be outstanding
and all of the Commitments are terminated.

                                      -3-
<PAGE>

         Section 2.02 Right of Contribution. Each Guarantor hereby agrees that
to the extent that a Guarantor shall have paid more than its proportionate share
of any payment made hereunder, such Guarantor shall be entitled to seek and
receive contribution from and against any other Guarantor hereunder which has
not paid its proportionate share of such payment. Each Guarantor's right of
contribution shall be subject to the terms and conditions of Section 2.03. The
provisions of this Section 2.02 shall in no respect limit the obligations and
liabilities of any Guarantor to the Guaranteed Creditors, and each Guarantor
shall remain liable to the Guaranteed Creditors for the full amount guaranteed
by such Guarantor hereunder.

         Section 2.03 No Subrogation. Notwithstanding any payment made by any
Guarantor hereunder or any set-off or application of funds of any Guarantor by
any Guaranteed Creditor, no Guarantor shall be entitled to be subrogated to any
of the rights of any Guaranteed Creditor against the Borrower or any other
Guarantor or any collateral security or guarantee or right of offset held by any
Guaranteed Creditor for the payment of the Borrower Obligations, nor shall any
Guarantor seek or be entitled to seek any indemnity, exoneration, participation,
contribution or reimbursement from the Borrower or any other Guarantor in
respect of payments made by such Guarantor hereunder, until all amounts owing to
the Guaranteed Creditors by the Borrower on account of the Borrower Obligations
are irrevocably and indefeasibly paid in full in cash, no Letter of Credit shall
be outstanding and all of the Commitments are terminated. If any amount shall be
paid to any Guarantor on account of such subrogation rights at any time when all
of the Borrower Obligations shall not have been irrevocably and indefeasibly
paid in full in cash, any Letter of Credit shall be outstanding or any of the
Commitments are in effect, such amount shall be held by such Guarantor in trust
for the Guaranteed Creditors, and shall, forthwith upon receipt by such
Guarantor, be turned over to the Administrative Agent in the exact form received
by such Guarantor (duly indorsed by such Guarantor to the Administrative Agent,
if required), to be applied against the Borrower Obligations, whether matured or
unmatured, in accordance with Section 10.02(c) of the Credit Agreement.

         Section 2.04 Guaranty Amendments, Etc. with respect to the Borrower
Obligations. Each Guarantor shall remain obligated hereunder, and such
Guarantor's obligations hereunder shall not be released, discharged or otherwise
affected, notwithstanding that, without any reservation of rights against any
Guarantor and without notice to, demand upon or further assent by any Guarantor
(which notice, demand and assent requirements are hereby expressly waived by
such Guarantor), (a) any demand for payment of any of the Borrower Obligations
made by any Guaranteed Creditor may be rescinded by such Guaranteed Creditor or
otherwise and any of the Borrower Obligations continued; (b) the Borrower
Obligations, the liability of any other Person upon or for any part thereof or
any collateral security or guarantee therefor or right of offset with respect
thereto, may, from time to time, in whole or in part, be renewed, extended,
amended, modified, accelerated, compromised, waived, surrendered or released by,
or any indulgence or forbearance in respect thereof granted by, any Guaranteed
Creditor; (c) any Guaranteed Document may be amended, modified, supplemented or
terminated, in whole or in part, as the Guaranteed Creditors may deem advisable
from time to time; (d) any collateral security, guarantee or right of offset at
any time held by any Guaranteed Creditor for the payment of the Borrower
Obligations may be sold, exchanged, waived, surrendered or released; (e) any
additional guarantors, makers or endorsers of the Borrower's Obligations may
from time to time be obligated on the Borrower's Obligations or any additional
security or collateral for the payment and performance of the Borrower's
Obligations may from time to time secure the

                                      -4-
<PAGE>

Borrower's Obligations; or (f) any other event shall occur which constitutes a
defense or release of sureties generally. No Guaranteed Creditor shall have any
obligation to protect, secure, perfect or insure any Lien at any time held by it
as security for the Borrower Obligations or for the guarantee contained in this
ARTICLE II or any Property subject thereto.

         Section 2.05 Waivers. Each Guarantor hereby waives any and all notice
of the creation, renewal, extension or accrual of any of the Borrower
Obligations and notice of or proof of reliance by any Guaranteed Creditor upon
the guarantee contained in this ARTICLE II or acceptance of the guarantee
contained in this ARTICLE II; the Borrower Obligations, and any of them, shall
conclusively be deemed to have been created, contracted or incurred, or renewed,
extended, amended or waived, in reliance upon the guarantee contained in this
ARTICLE II and no notice of creation of the Borrower Obligations or any
extension of credit already or hereafter contracted by or extended to the
Borrower need be given to any Guarantor; and all dealings between the Borrower
and any of the Guarantors, on the one hand, and the Guaranteed Creditors, on the
other hand, likewise shall be conclusively presumed to have been had or
consummated in reliance upon the guarantee contained in this ARTICLE II. Each
Guarantor waives diligence, presentment, protest, demand for payment and notice
of default or nonpayment to or upon the Borrower or any of the Guarantors with
respect to the Borrower Obligations.

         Section 2.06 Guaranty Absolute and Unconditional.

                  (a) Each Guarantor understands and agrees that the guarantee
contained in this ARTICLE II is, and shall be construed as, a continuing,
completed, absolute and unconditional guarantee of payment, and each Guarantor
hereby waives any defense of a surety or guarantor or any other obligor on any
obligations arising in connection with or in respect of any of the following and
hereby agrees that its obligations hereunder shall not be discharged or
otherwise affected as a result of any of the following:

                           (i) the invalidity or unenforceability of any
Guaranteed Document, any of the Borrower Obligations or any other collateral
security therefor or guarantee or right of offset with respect thereto at any
time or from time to time held by any Guaranteed Creditor;

                           (ii) any defense, set-off or counterclaim (other than
a defense of payment or performance) which may at any time be available to or be
asserted by the Borrower or any other Person against any Guaranteed Creditor;

                           (iii) the insolvency, bankruptcy arrangement,
reorganization, adjustment, composition, liquidation, disability, dissolution or
lack of power of the Borrower or any other Guarantor or any other Person at any
time liable for the payment of all or part of the Obligations, including any
discharge of, or bar or stay against collecting, any Obligation (or any part of
them or interest therein) in or as a result of such proceeding;

                           (iv) any sale, lease or transfer of any or all of the
assets of the Borrower or any other Guarantor, or any changes in the
shareholders of the Borrower or any other Guarantor;

                                      -5-
<PAGE>

                           (v) any change in the corporate existence (including
its constitution, laws, rules, regulations or power), structure or ownership of
any Guarantor or in the relationship between the Borrower and any Guarantor;

                           (vi) the fact that any Collateral or Lien
contemplated or intended to be given, created or granted as security for the
repayment of the Obligations shall not be properly perfected or created, or
shall prove to be unenforceable or subordinate to any other Lien, it being
recognized and agreed by each of the Guarantors that it is not entering into
this Agreement in reliance on, or in contemplation of the benefits of, the
validity, enforceability, collectability or value of any of the Collateral for
the Obligations;

                           (vii) the absence of any attempt to collect the
Obligations or any part of them from any Guarantor;

                           (viii) (A) any Guaranteed Creditor's election, in any
proceeding instituted under chapter 11 of the Bankruptcy Code, of the
application of Section 1111(b)(2) of the Bankruptcy Code; (B) any borrowing or
grant of a Lien by the Borrower, as debtor-in-possession, or extension of
credit, under Section 364 of the Bankruptcy Code; (C) the disallowance, under
Section 502 of the Bankruptcy Code, of all or any portion of any Guaranteed
Creditor's claim (or claims) for repayment of the Obligations; (D) any use of
cash collateral under Section 363 of the Bankruptcy Code; (E) any agreement or
stipulation as to the provision of adequate protection in any bankruptcy
proceeding; (F) the avoidance of any Lien in favor of the Guaranteed Creditors
or any of them for any reason; or (G) failure by any Guaranteed Creditor to file
or enforce a claim against the Borrower or its estate in any bankruptcy or
insolvency case or proceeding; or

                           (ix) any other circumstance or act whatsoever,
including any action or omission of the type described in Section 2.04 (with or
without notice to or knowledge of the Borrower or such Guarantor), which
constitutes, or might be construed to constitute, an equitable or legal
discharge of the Borrower for the Borrower Obligations, or of such Guarantor
under the guarantee contained in this ARTICLE II, in bankruptcy or in any other
instance.

                  (b) When making any demand hereunder or otherwise pursuing its
rights and remedies hereunder against any Guarantor, any Guaranteed Creditor
may, but shall be under no obligation to, join or make a similar demand on or
otherwise pursue or exhaust such rights and remedies as it may have against the
Borrower, any other Guarantor or any other Person or against any collateral
security or guarantee for the Borrower Obligations or any right of offset with
respect thereto, and any failure by any Guaranteed Creditor to make any such
demand, to pursue such other rights or remedies or to collect any payments from
the Borrower, any other Guarantor or any other Person or to realize upon any
such collateral security or guarantee or to exercise any such right of offset,
or any release of the Borrower, any other Guarantor or any other Person or any
such collateral security, guarantee or right of offset, shall not relieve any
Guarantor of any obligation or liability hereunder, and shall not impair or
affect the rights and remedies, whether express, implied or available as a
matter of law, of any Guaranteed Creditor against any Guarantor. For the
purposes hereof "demand" shall include the commencement and continuance of any
legal proceedings.

                                      -6-
<PAGE>

         Section 2.07 Reinstatement. The guarantee contained in this ARTICLE II
shall continue to be effective, or be reinstated, as the case may be, if at any
time payment, or any part thereof, of any of the Borrower Obligations is
rescinded or must otherwise be restored or returned by any Guaranteed Creditor
upon the insolvency, bankruptcy, dissolution, liquidation or reorganization of
the Borrower or any Guarantor, or upon or as a result of the appointment of a
receiver, intervenor or conservator of, or trustee or similar officer for, the
Borrower or any Guarantor or any substantial part of its Property, or otherwise,
all as though such payments had not been made.

         Section 2.08 Payments. Each Guarantor hereby guarantees that payments
hereunder will be paid to the Administrative Agent, for the ratable benefit of
the Guaranteed Creditors, without set-off, deduction or counterclaim, in
dollars, in immediately available funds, at the offices of the Administrative
Agent specified in Section 12.01 of the Credit Agreement.

                                  ARTICLE III
                         REPRESENTATIONS AND WARRANTIES

         To induce the Administrative Agent and the Lenders to enter into the
Credit Agreement and to induce the Lenders to make their respective extensions
of credit to the Borrower thereunder and to induce the Lenders (and their
Affiliates) to enter into Swap Agreements with the Borrower and its
Subsidiaries, each Guarantor hereby represents and warrants to the
Administrative Agent and each Lender that:

         Section 3.01 Representations in Credit Agreement. In the case of each
Guarantor, the representations and warranties set forth in Article VII of the
Credit Agreement as they relate to such Guarantor or to the Loan Documents to
which such Guarantor is a party are true and correct in all material respects,
provided that each reference in each such representation and warranty to the
Borrower's knowledge shall, for the purposes of this Section 3.01, be deemed to
be a reference to such Guarantor's knowledge.

         Section 3.02 Guarantor Information. On the date hereof, the correct
legal name of such Guarantor, all names and trade names that such Guarantor has
used in the last five years, such Guarantor's jurisdiction of organization and
each jurisdiction of organization of such Guarantor over the last five years,
organizational number, taxpayor identification number, and the location(s) of
such Guarantor's chief executive office or sole place of business over the last
five years are specified on Schedule 2.

         Section 3.03 Benefit to the Guarantor. The Borrower is a member of an
affiliated group of companies that includes each Guarantor, and the Borrower and
the other Guarantors are engaged in related businesses. Each Guarantor is a
Subsidiary of the Borrower and its guaranty and surety obligations pursuant to
this Agreement reasonably may be expected to benefit, directly or indirectly,
it; and it has determined that this Agreement is necessary and convenient to the
conduct, promotion and attainment of the business of such Guarantor and the
Borrower.

         Section 3.04 Solvency. Each Guarantor (a) is not insolvent as of the
date hereof and will not be rendered insolvent as a result of this Agreement
(after giving effect to Section 2.02), (b) is not engaged in business or a

                                      -7-
<PAGE>

transaction, or about to engage in a business or a transaction, for which any
Property remaining with it constitutes unreasonably small capital, and (c) does
not intend to incur, or believe it will incur, Debt that will be beyond its
ability to pay as such Debt matures.

                                   ARTICLE IV
                            The Administrative Agent

         Section 4.01 Authority of Administrative Agent. Each Guarantor
acknowledges that the rights and responsibilities of the Administrative Agent
under this Agreement with respect to any action taken by the Administrative
Agent or the exercise or non-exercise by the Administrative Agent of any option,
voting right, request, judgment or other right or remedy provided for herein or
resulting or arising out of this Agreement shall, as between the Administrative
Agent and the Guaranteed Creditors, be governed by the Credit Agreement and by
such other agreements with respect thereto as may exist from time to time among
them, but, as between the Administrative Agent and the Guarantors, the
Administrative Agent shall be conclusively presumed to be acting as agent for
the Guaranteed Creditors with full and valid authority so to act or refrain from
acting, and no Guarantor shall be under any obligation, or entitlement, to make
any inquiry respecting such authority.

                                   ARTICLE V
                          SUBORDINATION OF INDEBTEDNESS

         Section 5.01 Subordination of All Guarantor Claims. As used herein, the
term "Guarantor Claims" shall mean all debts and obligations of the Borrower or
any other Guarantor to the Borrower or any other Guarantor, whether such debts
and obligations now exist or are hereafter incurred or arise, or whether the
obligation of the debtor thereon be direct, contingent, primary, secondary,
several, joint and several, or otherwise, and irrespective of whether such debts
or obligations be evidenced by note, contract, open account, or otherwise, and
irrespective of the Person or Persons in whose favor such debts or obligations
may, at their inception, have been, or may hereafter be created, or the manner
in which they have been or may hereafter be acquired by. After and during the
continuation of an Event of Default, no Guarantor shall receive or collect,
directly or indirectly, from any other obligor in respect thereof any amount
upon the Guarantor Claims.

         Section 5.02 Claims in Bankruptcy. In the event of receivership,
bankruptcy, reorganization, arrangement, debtor's relief, or other insolvency
proceedings involving any Guarantor, the Administrative Agent on behalf of the
Administrative Agent and the Guaranteed Creditors shall have the right to prove
their claim in any proceeding, so as to establish their rights hereunder and
receive directly from the receiver, trustee or other court custodian, dividends
and payments which would otherwise be payable upon Guarantor Claims. Each
Guarantor hereby assigns such dividends and payments to the Administrative Agent
for the benefit of the Administrative Agent and the Guaranteed Creditors for
application against the Borrower Obligations as provided under Section 10.02(c)
of the Credit Agreement. Should any Agent or Guaranteed Creditor receive, for
application upon the Obligations, any such dividend or payment which is
otherwise payable to any Guarantor, and which, as between such Guarantors, shall
constitute a credit upon the Guarantor Claims, then upon payment in full in cash
of the Borrower Obligations, the expiration of all Letters of Credit outstanding
under the Credit Agreement and

                                      -8-
<PAGE>

the termination of all of the Commitments, the intended recipient shall become
subrogated to the rights of the Administrative Agent and the Guaranteed
Creditors to the extent that such payments to the Administrative Agent and the
Guaranteed Creditors on the Guarantor Claims have contributed toward the
liquidation of the Obligations, and such subrogation shall be with respect to
that proportion of the Obligations which would have been unpaid if the
Administrative Agent and the Guaranteed Creditors had not received dividends or
payments upon the Guarantor Claims.

         Section 5.03 Payments Held in Trust. In the event that, notwithstanding
Section 5.01 and Section 5.02, any Guarantor should receive any funds, payments,
claims or distributions which is prohibited by such Sections, then it agrees:
(a) to hold in trust for the Administrative Agent and the Guaranteed Creditors
an amount equal to the amount of all funds, payments, claims or distributions so
received, and (b) that it shall have absolutely no dominion over the amount of
such funds, payments, claims or distributions except to pay them promptly to the
Administrative Agent, for the benefit of the Guaranteed Creditors; and each
Guarantor covenants promptly to pay the same to the Administrative Agent.

         Section 5.04 Liens Subordinate. Each Guarantor agrees that, until the
Borrower Obligations are paid in full in cash, no Letter of Credit shall be
outstanding and the termination of all of the Commitments, any Liens securing
payment of the Guarantor Claims shall be and remain inferior and subordinate to
any Liens securing payment of the Obligations, regardless of whether such
encumbrances in favor of such Guarantor, the Administrative Agent or any
Guaranteed Creditor presently exist or are hereafter created or attach. Without
the prior written consent of the Administrative Agent, no Guarantor, during the
period in which any of the Borrower Obligations are outstanding or the
Commitments are in effect, shall (a) exercise or enforce any creditor's right it
may have against any debtor in respect of the Guarantor Claims, or (b)
foreclose, repossess, sequester or otherwise take steps or institute any action
or proceeding (judicial or otherwise, including without limitation the
commencement of or joinder in any liquidation, bankruptcy, rearrangement,
debtor's relief or insolvency proceeding) to enforce any Lien securing payment
of the Guarantor Claims held by it.

         Section 5.05 Notation of Records. Upon the request of the
Administrative Agent, all promissory notes and all accounts receivable ledgers
or other evidence of the Guarantor Claims accepted by or held by any Guarantor
shall contain a specific written notice thereon that the indebtedness evidenced
thereby is subordinated under the terms of this Agreement.

                                   ARTICLE VI
                                  MISCELLANEOUS

         Section 6.01 Waiver. No failure on the part of the Administrative Agent
or any Lender to exercise and no delay in exercising, and no course of dealing
with respect to, any right, power, privilege or remedy or any abandonment or
discontinuance of steps to enforce such right, power, privilege or remedy under
this Agreement or any other Loan Document shall operate as a waiver thereof, nor
shall any single or partial exercise of any right, power, privilege or remedy
under this Agreement or any other Loan Document preclude or be construed as a
waiver of any other or further exercise thereof or the exercise of any other
right, power, privilege or remedy.

                                      -9-
<PAGE>

The remedies provided herein are cumulative and not exclusive of any remedies
provided by law or equity.

         Section 6.02 Notices. All notices and other communications provided for
herein shall be given in the manner and subject to the terms of Section 12.01 of
the Credit Agreement; provided that any such notice, request or demand to or
upon any Guarantor shall be addressed to such Guarantor at its notice address
set forth on Schedule 1.

         Section 6.03 Payment of Expenses, Indemnities, Etc.

                  (a) Each Guarantor agrees to pay or reimburse each Guaranteed
Creditor and the Administrative Agent for all out-of-pocket expenses incurred by
such Person, including the fees, charges and disbursements of any counsel for
the Administrative Agent or any Guaranteed Creditor, in connection with the
enforcement or protection of its rights in connection with this Agreement or any
other Loan Document, including, without limitation, all costs and expenses
incurred in collecting against such Guarantor under the guarantee contained in
ARTICLE II or otherwise enforcing or preserving any rights under this Agreement
and the other Loan Documents to which such Guarantor is a party.

                  (b) Each Guarantor agrees to pay, and to save the
Administrative Agent and the Guaranteed Creditors harmless from, any and all
liabilities with respect to, or resulting from any delay in paying, any and all
Other Taxes which may be payable or determined to be payable in connection with
any of the transactions contemplated by this Agreement.

                  (c) Each Guarantor agrees to pay, and to save the
Administrative Agent and the Guaranteed Creditors harmless from, any and all
liabilities, obligations, losses, damages, penalties, actions, judgments, suits,
costs, expenses or disbursements of any kind or nature whatsoever with respect
to the execution, delivery, enforcement, performance and administration of this
Agreement to the extent the Borrower would be required to do so pursuant to
Section 12.03 of the Credit Agreement.

         Section 6.04 Amendments in Writing. None of the terms or provisions of
this Agreement may be waived, amended, supplemented or otherwise modified except
in accordance with Section 12.02 of the Credit Agreement.

         Section 6.05 Successors and Assigns. The provisions of this Agreement
shall be binding upon the Guarantors and their successors and assigns and shall
inure to the benefit of the Administrative Agent and the Guaranteed Creditors
and their respective successors and assigns; provided that except as set forth
in Section 9.12 of the Credit Agreement, no Guarantor may assign, transfer or
delegate any of its rights or obligations under this Agreement without the prior
written consent of the Administrative Agent and the Lenders, and any such
purported assignment, transfer or delegation shall be null and void.

         Section 6.06 Survival; Revival; Reinstatement.

                  (a) All covenants, agreements, representations and warranties
made by any Guarantor herein and in the certificates or other instruments
delivered in connection with or pursuant to this Agreement or any other Loan
Document to which it is a party shall be

                                      -10-
<PAGE>

considered to have been relied upon by the Administrative Agent, the other
Agents, the Issuing Bank and the Lenders and shall survive the execution and
delivery of this Agreement and the making of any Loans and issuance of any
Letters of Credit, regardless of any investigation made by any such other party
or on its behalf and notwithstanding that the Administrative Agent, the other
Agents, the Issuing Bank or any Lender may have had notice or knowledge of any
Default or incorrect representation or warranty at the time any credit is
extended hereunder, and shall continue in full force and effect as long as the
principal of or any accrued interest on any Loan or any fee or any other amount
payable under the Credit Agreement is outstanding and unpaid or any Letter of
Credit is outstanding and so long as the Commitments have not expired or
terminated. The provisions of Section 6.03 shall survive and remain in full
force and effect regardless of the consummation of the transactions contemplated
hereby, the repayment of the Loans, the expiration or termination of the Letters
of Credit and the Commitments or the termination of this Agreement, any other
Loan Document or any provision hereof or thereof.

                  (b) To the extent that any payments on the Guarantor
Obligations are subsequently invalidated, declared to be fraudulent or
preferential, set aside or required to be repaid to a trustee, debtor in
possession, receiver or other Person under any bankruptcy law, common law or
equitable cause, then to such extent, the Guarantor Obligations so satisfied
shall be revived and continue as if such payment had not been received and the
Administrative Agent's and the Guaranteed Creditors' Liens, security interests,
rights, powers and remedies under this Agreement and each other Loan Document
shall continue in full force and effect. In such event, each Loan Document shall
be automatically reinstated and the Borrower shall take such action as may be
reasonably requested by the Administrative Agent and the Guaranteed Creditors to
effect such reinstatement.

         Section 6.07 Counterparts; Integration; Effectiveness.

                  (a) This Agreement may be executed in counterparts (and by
different parties hereto on different counterparts), each of which shall
constitute an original, but all of which when taken together shall constitute a
single contract.

                  (b) This Agreement, the other Loan Documents and any separate
letter agreements with respect to fees payable to the Administrative Agent
constitute the entire contract among the parties relating to the subject matter
hereof and thereof and supersede any and all previous agreements and
understandings, oral or written, relating to the subject matter hereof and
thereof. THIS AGREEMENT AND THE OTHER LOAN DOCUMENTS (OTHER THAN THE LETTERS OF
CREDIT AND THE LETTER OF CREIDT AGREEMENTS) REPRESENT THE FINAL AGREEMENT AMONG
THE PARTIES HERETO AND THERETO AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR,
CONTEMPERANEOUS OR SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES. THERE ARE NO
UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES.

                  (c) This Agreement shall become effective when it shall have
been executed by the Administrative Agent and when the Administrative Agent
shall have received counterparts hereof which, when taken together, bear the
signatures of each of the other parties hereto, and thereafter shall be binding
upon and inure to the benefit of the parties hereto, the Lenders and their
respective successors and assigns. Delivery of an executed counterpart of a

                                      -11-
<PAGE>

signature page of this Agreement by telecopy shall be effective as delivery of a
manually executed counterpart of this Agreement.

         Section 6.08 Severability. Any provision of this Agreement or any other
Loan Document held to be invalid, illegal or unenforceable in any jurisdiction
shall, as to such jurisdiction, be ineffective to the extent of such invalidity,
illegality or unenforceability without affecting the validity, legality and
enforceability of the remaining provisions hereof or thereof; and the invalidity
of a particular provision in a particular jurisdiction shall not invalidate such
provision in any other jurisdiction.

         Section 6.09 Set-Off. If an Event of Default shall have occurred and be
continuing, each Lender and each of its Affiliates is hereby authorized at any
time and from time to time, to the fullest extent permitted by law, to set off
and apply any and all deposits (general or special, time or demand, provisional
or final) at any time held and other obligations (of whatsoever kind, including,
without limitations obligations under Swap Agreements) at any time owing by such
Lender or Affiliate to or for the credit or the account of any Guarantor against
any of and all the obligations of the Guarantor owed to such Lender now or
hereafter existing under this Agreement or any other Loan Document, irrespective
of whether or not such Lender shall have made any demand under this Agreement or
any other Loan Document and although such obligations may be unmatured. The
rights of each Lender under this Section 6.09 are in addition to other rights
and remedies (including other rights of setoff) which such Lender or its
Affiliates may have.

         Section 6.10 Governing Law; Submission to Jurisdiction.

                  (a) THIS AGREEMENT SHALL BE GOVERNED BY, AND CONSTRUED IN
ACCORDANCE WITH, THE LAWS OF THE STATE OF TEXAS.

                  (b) ANY LEGAL ACTION OR PROCEEDING WITH RESPECT TO THIS
AGREEMENT OR ANY OTHER LOAN DOCUMENT SHALL BE BROUGHT IN THE COURTS OF THE STATE
OF TEXAS OR OF THE UNITED STATES OF AMERICA FOR THE SOUTHERN DISTRICT OF TEXAS,
AND, BY EXECUTION AND DELIVERY OF THIS AGREEMENT, EACH OF THE PARTIES HEREBY
ACCEPTS FOR ITSELF AND (TO THE EXTENT PERMITTED BY LAW) IN RESPECT OF ITS
PROPERTY, GENERALLY AND UNCONDITIONALLY, THE JURISDICTION OF THE AFORESAID
COURTS. EACH PARTY HEREBY IRREVOCABLY WAIVES ANY OBJECTION, INCLUDING, WITHOUT
LIMITATION, ANY OBJECTION TO THE LAYING OF VENUE OR BASED ON THE GROUNDS OF
FORUM NON CONVENIENS, WHICH IT MAY NOW OR HEREAFTER HAVE TO THE BRINGING OF ANY
SUCH ACTION OR PROCEEDING IN SUCH RESPECTIVE JURISDICTIONS. THIS SUBMISSION TO
JURISDICTION IS NON-EXCLUSIVE AND DOES NOT PRECLUDE A PARTY FROM OBTAINING
JURISDICTION OVER ANOTHER PARTY IN ANY COURT OTHERWISE HAVING JURISDICTION.

                  (c) EACH PARTY IRREVOCABLY CONSENTS TO THE SERVICE OF PROCESS
OF ANY OF THE AFOREMENTIONED COURTS IN ANY SUCH ACTION OR PROCEEDING BY THE
MAILING OF COPIES THEREOF BY REGISTERED OR CERTIFIED MAIL, POSTAGE PREPAID, TO
IT AT THE ADDRESS SPECIFIED IN

                                      -12-
<PAGE>

SECTION 12.01 OF THE CREDIT AGREEMENT (OR SUCH OTHER ADDRESS AS IS SPECIFIED
PURSUANT TO SECTION 12.01 OF THE CREDIT AGREEMENT) OR SCHEDULE 1 HERETO, AS
APPLICABLE, SUCH SERVICE TO BECOME EFFECTIVE THIRTY (30) DAYS AFTER SUCH
MAILING. NOTHING HEREIN SHALL AFFECT THE RIGHT OF A PARTY OR ANY HOLDER OF A
NOTE TO SERVE PROCESS IN ANY OTHER MANNER PERMITTED BY LAW OR TO COMMENCE LEGAL
PROCEEDINGS OR OTHERWISE PROCEED AGAINST ANOTHER PARTY IN ANY OTHER
JURISDICTION.

                  (d) EACH PARTY HEREBY (1) IRREVOCABLY AND UNCONDITIONALLY
WAIVES, TO THE FULLEST EXTENT PERMITTED BY LAW, TRIAL BY JURY IN ANY LEGAL
ACTION OR PROCEEDING RELATING TO THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT AND
FOR ANY COUNTERCLAIM THEREIN; (2) IRREVOCABLY WAIVES, TO THE MAXIMUM EXTENT NOT
PROHIBITED BY LAW, ANY RIGHT IT MAY HAVE TO CLAIM OR RECOVER IN ANY SUCH
LITIGATION ANY SPECIAL, EXEMPLARY, PUNITIVE OR CONSEQUENTIAL DAMAGES, OR DAMAGES
OTHER THAN, OR IN ADDITION TO, ACTUAL DAMAGES; (3) CERTIFIES THAT NO PARTY
HERETO NOR ANY REPRESENTATIVE OR AGENT OF COUNSEL FOR ANY PARTY HERETO HAS
REPRESENTED, EXPRESSLY OR OTHERWISE, OR IMPLIED THAT SUCH PARTY WOULD NOT, IN
THE EVENT OF LITIGATION, SEEK TO ENFORCE THE FOREGOING WAIVERS, AND (4)
ACKNOWLEDGES THAT IT HAS BEEN INDUCED TO ENTER INTO THIS AGREEMENT, THE OTHER
LOAN DOCUMENTS AND THE TRANSACTIONS CONTEMPLATED HEREBY AND THEREBY BY, AMONG
OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS CONTAINED IN THIS SECTION
9.10.

         Section 6.11 Headings. Article and Section headings and the Table of
Contents used herein are for convenience of reference only, are not part of this
Agreement and shall not affect the construction of, or be taken into
consideration in interpreting, this Agreement.

         Section 6.12 Acknowledgments. Each Guarantor hereby acknowledges that:

                  (a) it has been advised by counsel in the negotiation,
execution and delivery of this Agreement and the other Loan Documents to which
it is a party;

                  (b) neither the Administrative Agent nor any Guaranteed
Creditor has any fiduciary relationship with or duty to any Guarantor arising
out of or in connection with this Agreement or any of the other Loan Documents,
and the relationship between the Guarantors, on the one hand, and the
Administrative Agent and Guaranteed Creditors, on the other hand, in connection
herewith or therewith is solely that of debtor and creditor; and

                  (c) no joint venture is created hereby or by the other Loan
Documents or otherwise exists by virtue of the transactions contemplated hereby
among the Guaranteed Creditors or among the Guarantors and the Guaranteed
Creditors.

                  (d) Each of the parties hereto specifically agrees that it has
a duty to read this Agreement, the Security Instruments and the other Loan
Documents and agrees that it is charged

                                      -13-
<PAGE>

with notice and knowledge of the terms of this Agreement, the Security
Instruments and the other Loan Documents; that it has in fact read this
Agreement, the Security Instruments and the other Loan Documents and is fully
informed and has full notice and knowledge of the terms, conditions and effects
thereof; that it has been represented by independent legal counsel of its choice
throughout the negotiations preceding its execution of this Agreement and the
Security Instruments; and has received the advice of its attorney in entering
into this Agreement and the Security Instruments; and that it recognizes that
certain of the terms of this Agreement and the Security Instruments result in
one party assuming the liability inherent in some aspects of the transaction and
relieving the other party of its responsibility for such liability. EACH PARTY
HERETO AGREES AND COVENANTS THAT IT WILL NOT CONTEST THE VALIDITY OR
ENFORCEABILITY OF ANY EXCULPATORY PROVISION OF THIS AGREEMENT AND THE SECURITY
INSTRUMENTS ON THE BASIS THAT THE PARTY HAD NO NOTICE OR KNOWLEDGE OF SUCH
PROVISION OR THAT THE PROVISION IS NOT "CONSPICUOUS."

         Section 6.13 Additional Guarantors. Each Subsidiary of the Borrower
that is required to become a party to this Agreement pursuant to Section 8.14 of
the Credit Agreement shall become an Guarantor for all purposes of this
Agreement upon execution and delivery by such Subsidiary of an Assumption
Agreement and shall thereafter have the same rights, benefits and obligations as
an Guarantor party hereto on the date hereof.

         Section 6.14 Acceptance. Each Guarantor hereby expressly waives notice
of acceptance of this Agreement, acceptance on the part of the Administrative
Agent and the Guaranteed Creditors being conclusively presumed by their request
for this Agreement and delivery of the same to the Administrative Agent.

      [Remainder of page intentionally left blank; signature page follows]

                                      -14-

<PAGE>

         IN WITNESS WHEREOF, each of the undersigned has caused this Guaranty
Agreement to be duly executed and delivered as of the date first above written.

GUARANTORS:                             LEGACY RESERVES OPERATING LP

                                          By:      LEGACY RESERVES OPERATING GP
                                                   LLC, its general partner
                                          By:      LEGACY RESERVES LP, its sole
                                                   member
                                          By:      LEGACY RESERVES GP, LLC, its
                                                   general partner

                                        By:
                                            -----------------------------------
                                            Steven H. Pruett
                                            President, Chief Financial Officer
                                            and Secretary

                                        LEGACY RESERVES OPERATING GP LLC

                                          By:      LEGACY RESERVES LP, its sole
                                                   member
                                          By:      LEGACY RESERVES GP, LLC, its
                                                   general partner

                                        By:
                                            -----------------------------------
                                            Steven H. Pruett
                                            President, Chief Financial Officer
                                            and Secretary

                                        LEGACY RESERVES SERVICES, INC.

                                        By:
                                            -----------------------------------
                                            Steven H. Pruett
                                            President, Chief Financial Officer
                                            and Secretary

                      Signature Page - Guaranty Agreement

<PAGE>

Acknowledged and Agreed to as
of the date hereof by:

ADMINISTRATIVE AGENT:                   BNP PARIBAS

                                        By:
                                            -----------------------------------
                                        Name:
                                        Title:

                                        By:
                                            -----------------------------------
                                        Name:
                                        Title:

                      Signature Page - Guaranty Agreement

<PAGE>

                                   Schedule 1

                         NOTICE ADDRESSES OF GUARANTORS

Legacy Reserves Operating LP, Legacy Reserves Operating GP LLC and
Legacy Reserves Services, Inc.

303 West Wall Street, Suite 1600
Midland, Texas 79701

Attn: Steven H. Pruett, President and CFO
Tel. 432-682-2516
Fax 432-682-4013
E-mail  spruett@legacylp.com

                                 Schedule 1 - 1
<PAGE>

                                   Schedule 2

LOCATION OF JURISDICTION OF ORGANIZATION AND CHIEF EXECUTIVE OFFICE

Legal name:  Legacy Reserves LP
Address:  303 W. Wall Street, Suite 1600, Midland, TX 79701
All names and trade names that Legacy Reserves LP has used in the last five
years:  No other names
Jurisdiction of organization over the last five years:  Delaware
Current jurisdiction of organization:  Delaware
Taxpayer identification number:  16-1751069
Organizational number:  4038949

Legal name:  Legacy Reserves Operating LP
Address:  303 W. Wall Street, Suite 1600, Midland, TX 79701
All names and trade names that Legacy Reserves Operating LP has used in the last
five years:  No other names
Jurisdiction of organization over the last five years:  Delaware
Current jurisdiction of organization:  Delaware
Taxpayer identification number:  20-4307259
Organizational number:  4096664

Legal name:  Legacy Reserves Operating GP LLC
Address:  303 W. Wall Street, Suite 1600, Midland, TX 79701
All names and trade names that Legacy Reserves Operating GP LLC has used in the
last five years:  No other names
Jurisdiction of organization over the last five years:  Delaware
Current jurisdiction of organization:  Delaware
Taxpayer identification number:  20-4307209
Organizational number:  4096662

Legal name:  Legacy Reserves Services, Inc.
Address:  303 W. Wall Street, Suite 1600, Midland, TX 79701
All names and trade names that Legacy Reserves Services, Inc. has used in the
last five years:  No other names
Jurisdiction of organization over the last five years:  Texas
Current jurisdiction of organization:  Texas
Taxpayer identification number:  20-4442710
Organizational number:  800619799

                                 Schedule 2 - 1
<PAGE>

                                     Annex I

                              Assumption Agreement

         ASSUMPTION AGREEMENT, dated as of [        ], 200[ ], made by
[        ], a [        ] (the "Additional Guarantor"), in favor of BNP PARIBAS,
as administrative agent (in such capacity, the "Administrative Agent") for the
Guaranteed Creditors (used herein as defined in the Guaranty Agreement referred
to below). All capitalized terms not defined herein shall have the meaning
ascribed to them in the Credit Agreement referred to below.

                              W I T N E S S E T H:

         WHEREAS, Legacy Reserves LP, a Delaware limited partnership (the
"Borrower"), the Administrative Agent, and certain financial institutions have
entered into that certain Credit Agreement, dated as of March 15, 2006 (as
amended, restated, supplemented or otherwise modified from time to time, the
"Credit Agreement");

         WHEREAS, in connection with the Credit Agreement, certain of Borrower's
Affiliates (other than the Additional Guarantor) have entered into a Guaranty
Agreement, dated as of March 15, 2006 (as amended, restated, supplemented or
otherwise modified from time to time, the "Guaranty Agreement") in favor of the
Administrative Agent for the benefit of the Guaranteed Creditors;

         WHEREAS, the Credit Agreement requires the Additional Guarantor to
become a party to the Guaranty Agreement; and

         WHEREAS, the Additional Guarantor has agreed to execute and deliver
this Assumption Agreement in order to become a party to the Guaranty Agreement;

         NOW, THEREFORE, IT IS AGREED:

         1. Guaranty Agreement. By executing and delivering this Assumption
Agreement, the Additional Guarantor, as provided in Section 6.13 of the Guaranty
Agreement, hereby becomes a party to the Guaranty Agreement as an Guarantor
thereunder with the same force and effect as if originally named therein as an
Guarantor and, without limiting the generality of the foregoing, hereby
expressly assumes all obligations and liabilities of an Guarantor thereunder.
The information set forth in Annex 1-A hereto is hereby added to the information
set forth in Schedules 1 and 2 to the Guaranty Agreement. The Additional
Guarantor hereby represents and warrants that each of the representations and
warranties contained in ARTICLE III of the Guaranty Agreement is true and
correct on and as the date hereof (after giving effect to this Assumption
Agreement) as if made on and as of such date.

         2. Governing Law. This Assumption Agreement shall be governed by, and
construed in accordance with, the laws of the State of Texas.

                                  Annex I - 3

<PAGE>

         IN WITNESS WHEREOF, the undersigned has caused this Assumption
Agreement to be duly executed and delivered as of the date first above written.

                                        [ADDITIONAL GUARANTOR]

                                        By:
                                            -----------------------------------
                                        Name:
                                        Title:

                                  Annex I - 2
<PAGE>

                                   EXHIBIT C-3
                            FORM OF PLEDGE AGREEMENT

                                   EXHIBIT C-3

<PAGE>

                                PLEDGE AGREEMENT

                                   DATED AS OF
                                 MARCH 15, 2006

                                     MADE BY

                               LEGACY RESERVES LP,
                                       AND
                 EACH OF THE OTHER PLEDGORS (AS DEFINED HEREIN)

                                   IN FAVOR OF

                                  BNP PARIBAS,
                             AS ADMINISTRATIVE AGENT

<PAGE>
                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                          Page

<S>                                                                                                      <C>
ARTICLE I DEFINITIONS.............................................................................................1
   Section 1.01         Definitions...............................................................................1
   Section 1.02         Other Definitional Provisions.............................................................3
   Section 1.03         Rules of Interpretation...................................................................3
ARTICLE II GRANT OF SECURITY INTEREST.............................................................................3
   Section 2.01         Grant of Security Interest................................................................3
   Section 2.02         Transfer of Pledged Securities............................................................4
ARTICLE III REPRESENTATIONS AND WARRANTIES........................................................................4
   Section 3.01         Representations in Credit Agreement.......................................................4
   Section 3.02         Title; No Other Liens.....................................................................4
   Section 3.03         Perfected First Priority Liens............................................................5
   Section 3.04         Pledgor and Issuer Information............................................................5
   Section 3.05         Pledged Securities........................................................................5
ARTICLE IV COVENANTS..............................................................................................5
   Section 4.01         Maintenance of Perfected Security Interest; Further Documentation.........................6
   Section 4.02         Changes in Locations, Name, Etc...........................................................6
   Section 4.03         Pledged Securities........................................................................7
ARTICLE V REMEDIAL PROVISIONS.....................................................................................8
   Section 5.01         Code and Other Remedies...................................................................8
   Section 5.02         Pledged Securities........................................................................9
   Section 5.03         Private Sales of Pledged Securities......................................................11
   Section 5.04         Waiver; Deficiency.......................................................................12
   Section 5.05         Non-Judicial Enforcement.................................................................12
ARTICLE VI THE ADMINISTRATIVE AGENT..............................................................................12
   Section 6.01         Administrative Agent's Appointment as Attorney-in-Fact, Etc..............................12
   Section 6.02         Duty of Administrative Agent.............................................................13
   Section 6.03         Execution of Financing Statements........................................................14
   Section 6.04         Authority of Administrative Agent........................................................14
ARTICLE VII MISCELLANEOUS........................................................................................15
   Section 7.01         Waiver...................................................................................15
   Section 7.02         Notices..................................................................................15
   Section 7.03         Payment of Expenses, Indemnities, Etc....................................................15
   Section 7.04         Amendments in Writing....................................................................15
   Section 7.05         Successors and Assigns...................................................................15
   Section 7.06         Survival; Revival; Reinstatement.........................................................16
   Section 7.07         Counterparts; Integration; Effectiveness.................................................16
   Section 7.08         Severability.............................................................................17
   Section 7.09         Set-Off..................................................................................17
   Section 7.10         Governing Law; Submission to Jurisdiction................................................17
   Section 7.11         Headings.................................................................................18
</TABLE>

                                      -i-
<PAGE>

<TABLE>
<S>                                                                                                      <C>
   Section 7.12         Acknowledgments..........................................................................18
   Section 7.13         Releases.................................................................................19
   Section 7.14         Acceptance...............................................................................20

SCHEDULES:
Schedule 1        Description of Pledged Securities
Schedule 2        Filings and Other Actions Required to Perfect Security Interests
Schedule 3        Location of Jurisdiction of Organization and Chief Executive Office
Schedule 4        Notice Addresses of Pledgors
</TABLE>

                                      -ii-
<PAGE>
         This PLEDGE AGREEMENT, dated as of March 15, 2006, is made by LEGACY
RESERVES LP, a Delaware limited partnership (the "Borrower"), and each of the
signatories hereto (the Borrower and each of the signatories hereto, together
with any other Subsidiary of the Borrower that becomes a party hereto from time
to time after the date hereof, the "Pledgors"), in favor of BNP PARIBAS as
administrative agent (in such capacity, together with its successors in such
capacity, the "Administrative Agent"), for the banks and other financial
institutions from time to time parties to the Credit Agreement dated as of the
date hereof (as amended, supplemented or otherwise modified from time to time,
the "Credit Agreement"), among the Borrower, the Lenders and the Administrative
Agent, as well as their Affiliates that are parties to the Secured Swap
Agreements (collectively, the "Lenders").

                                 R E C I T A L S

         It is a condition precedent to the obligation of the Lenders to make
their respective extensions of credit to the Borrower under the Credit Agreement
that the Pledgors shall have executed and delivered this Agreement to the
Administrative Agent for the ratable benefit of the Lenders.

         In consideration of the premises herein and to induce the
Administrative Agent and the Lenders to enter into the Credit Agreement and the
Secured Swap Agreements and to induce the Lenders to make their respective
extensions of credit to the Borrower thereunder, the Pledgors hereby agree with
the Administrative Agent, for the ratable benefit of the Lenders, as follows:

                                   ARTICLE I
                                   DEFINITIONS

Section 1.01      Definitions.

                  (a) Unless otherwise defined herein, terms defined in the
Credit Agreement and used herein have the meanings given to them in the Credit
Agreement, and all uncapitalized terms that are defined in the UCC on the date
hereof are used herein as so defined.

                  (b) The following terms have the following meanings:

         "Agreement" means this Pledge Agreement, as the same may be amended,
restated, supplemented or otherwise modified from time to time.

         "Borrower Obligations" means the collective reference to the payment
and performance of all Indebtedness and all obligations of the Borrower and its
Subsidiaries under the Loan Documents, including, without limitation, the unpaid
principal of and interest on the Loans and the LC Exposure, obligations under
the Secured Swap Agreements and all other obligations and liabilities of the
Borrower and its Subsidiaries (including, without limitation, interest accruing
at the then applicable rate provided in the Credit Agreement after the maturity
of the Loans and LC Exposure and interest accruing after the filing of any
petition in bankruptcy, or the commencement of any insolvency, reorganization or
like proceeding, relating to the Borrower, whether or not a claim for
post-filing or post-petition interest is allowed in such proceeding) to

<PAGE>

the Lenders, whether direct or indirect, absolute or contingent, due or to
become due, or now existing or hereafter incurred, which may arise under, out
of, or in connection with, the Loan Documents, including the Secured Swap
Agreements, whether on account of principal, interest, reimbursement
obligations, payments in respect of an early termination date, fees,
indemnities, costs, expenses or otherwise (including, without limitation, all
fees and disbursements of counsel to the Lenders that are required to be paid by
the Pledgor pursuant to the terms of any Loan Documents).

         "Collateral" has the meaning assigned such term in Section 2.01.

         "Issuers" means the collective reference to each issuer of a Pledged
Security.

         "LLC" means, with respect to each Pledgor, each limited liability
company described or referred to in Schedule 1 in which such Pledgor has an
interest.

         "LLC Agreement" means, with respect to each Pledgor, each operating
agreement relating to an LLC, as each agreement has heretofore been, and may
hereafter be, amended, restated, supplemented or otherwise modified from time to
time.

         "Partnership" means, with respect to each Pledgor, each partnership
described or referred to in Schedule 1 in which such Pledgor has an interest.

         "Partnership Agreement" means, with respect to each Pledgor, each
partnership agreement governing a Partnership, as each such agreement has
heretofore been, and may hereafter be, amended, restated, supplemented or
otherwise modified.

         "Pledged LLC Interests" means, with respect to each Pledgor, all right,
title and interest of such Pledgor as a member of each LLC and all right, title
and interest of any Pledgor in, to and under each LLC Agreement.

         "Pledged Partnership Interests" means, with respect to each Pledgor,
all right, title and interest of such Pledgor as a limited or general partner in
all Partnerships and all right, title and interest of any Pledgor in, to and
under the Partnership Agreements.

         "Pledged Securities" means: (a) the Equity Interests described or
referred to in Schedule 1 (as the same may be supplemented from time to time
pursuant to a Supplement); and (b) (i) the certificates or instruments, if any,
representing such Equity Interests, (ii) all dividends (cash, Equity Interests
or otherwise), cash, instruments, rights to subscribe, purchase or sell and all
other rights and Property from time to time received, receivable or otherwise
distributed in respect of or in exchange for any or all of such securities,
(iii) all replacements, additions to and substitutions for any of the Property
referred to in this definition, including, without limitation, claims against
third parties, (iv) the proceeds, interest, profits and other income of or on
any of the Property referred to in this definition, (v) all security
entitlements in respect of any of the foregoing, if any and (vi) all books and
records relating to any of the Property referred to in this definition.

         "Proceeds" means all "proceeds" as such term is defined in Section
9.102(64) of the Uniform Commercial Code in effect in the State of Texas on the
date hereof and, in any event,

                                      -2-
<PAGE>

shall include, without limitation, all dividends or other income from the
Pledged Securities, collections thereon or distributions or payments with
respect thereto.

         "Secured Swap Agreement" means any Swap Agreement between the Borrower
or any of its Subsidiaries and any Lender or any Affiliate of any Lender while
such Person (or, in the case of an Affiliate of a Lender, the Person affiliated
therewith) is a Lender regardless of when such Swap Agreement was entered into.
For the avoidance of doubt, a Swap Agreement ceases to be a Secured Swap
Agreement if the Person that is the counterparty to the Borrower or one of its
Subsidiaries under a Swap Agreement ceases to be a Lender under the Credit
Agreement (or, in the case of an Affiliate of a Lender, the Person affiliated
therewith ceases to be a Lender under the Credit Agreement).

         "Securities Act" shall mean the Securities Act of 1933, as amended.

         "UCC" means the Uniform Commercial Code as from time to time in effect
in the State of Texas; provided, however, that, in the event that, by reason of
mandatory provisions of law, any of the attachment, perfection or priority of
the Administrative Agent's and the Lenders' security interest in any Collateral
is governed by the Uniform Commercial Code as in effect in a jurisdiction other
than the State of Texas, the term "UCC" shall mean the Uniform Commercial Code
as in effect in such other jurisdiction for purposes of the provisions hereof
relating to such attachment, perfection, the effect thereof or priority and for
purposes of definitions related to such provisions.

         Section 1.02 Other Definitional Provisions. Where the context requires,
terms relating to the Collateral or any part thereof, when used in relation to a
Pledgor, refer to such Pledgor's Collateral or the relevant part thereof.

         Section 1.03 Rules of Interpretation. Section 1.04 and Section 1.05 of
the Credit Agreement are hereby incorporated herein by reference and shall apply
to this Agreement, mutatis mutandis.

                                   ARTICLE II
                           GRANT OF SECURITY INTEREST

         Section 2.01 Grant of Security Interest. Each Pledgor hereby pledges,
assigns and transfers to the Administrative Agent, and hereby grants to the
Administrative Agent, for the benefit of the Administrative Agent and the
Lenders, a security interest in all of the following property now owned or at
any time hereafter acquired by such Pledgor or in which such Pledgor now has or
at any time in the future may acquire any right, title or interest
(collectively, the "Collateral"), as collateral security for the prompt and
complete payment and performance when due (whether at the stated maturity, by
acceleration or otherwise) of such Pledgor's Obligations:

                  (1)      all Pledged Securities;

                  (2)      all books and records pertaining to the Collateral;
         and

                                      -3-
<PAGE>

                  (3) to the extent not otherwise included, all Proceeds and
         products of any and all of the foregoing and all collateral security
         and guarantees given by any Person with respect to any of the
         foregoing.

         Section 2.02 Transfer of Pledged Securities. To the extent the Pledge
Securities constitute "securities" under Article 8 of the UCC, all certificates
or instruments representing or evidencing such Pledged Securities shall be
delivered to and held pursuant hereto by the Administrative Agent or a Person
designated by the Administrative Agent and shall be in suitable form for
transfer by delivery, or shall be accompanied by duly executed instruments of
transfer or assignment in blank, and accompanied by any required transfer tax
stamps to effect the pledge of the Pledged Securities to the Administrative
Agent. Notwithstanding the preceding sentence, at the Administrative Agent's
reasonable discretion, to the extent the Pledge Securities constitute
"securities" under Article 8 of the UCC, all such Pledged Securities must be
delivered or transferred in such manner as to permit the Administrative Agent to
be a "protected purchaser" to the extent of its security interest as provided in
Section 8.303 of the UCC (if the Administrative Agent otherwise qualifies as a
protected purchaser). During the continuance of an Event of Default, the
Administrative Agent shall have the right, at any time in its discretion and
without notice, to transfer to or to register in the name of the Administrative
Agent or any of its nominees any or all of the Pledged Securities, subject only
to the revocable rights specified in Section 5.03. In addition, during the
continuance of an Event of Default, the Administrative Agent shall have the
right at any time to exchange certificates or instruments representing or
evidencing Pledged Securities for certificates or instruments of smaller or
larger denominations.

                                  ARTICLE III
                         REPRESENTATIONS AND WARRANTIES

         To induce the Administrative Agent and the Lenders to enter into the
Credit Agreement and to induce the Lenders to make their respective extensions
of credit to the Borrower thereunder and to induce the Lenders to enter into
Secured Swap Agreements with the Borrower and its Subsidiaries, each Pledgor
hereby represents and warrants to the Administrative Agent and each Lender that:

         Section 3.01 Representations in Credit Agreement. The representations
and warranties set forth in Article VII of the Credit Agreement as they relate
to each Pledgor or to the Loan Documents to which such Pledgor is a party are
true and correct in all material respects.

         Section 3.02 Title; No Other Liens. Except for the security interest
granted to the Administrative Agent for the benefit of the Administrative Agent
and the Lenders pursuant to this Agreement, such Pledgor is the record and
beneficial owner of its respective items of the Collateral free and clear of any
and all Liens and has rights in or the power to transfer each item of the
Collateral in which a Lien is granted by it hereunder, free and clear of any
Lien. No financing statement or other public notice with respect to all or any
part of the Collateral is on file or of record in any public office, except such
as have been filed in favor of the Administrative Agent, for the benefit of the
Administrative Agent and the Lenders, pursuant to this Agreement or the Security
Instruments.

                                      -4-
<PAGE>

         Section 3.03 Perfected First Priority Liens. The security interests
granted pursuant to this Agreement (a) upon the completion of the filings and
the other actions specified on Schedule 2 constitute valid perfected security
interests in all of the Collateral in favor of the Administrative Agent, for the
benefit of the Administrative Agent and the Lenders, as collateral security for
such Pledgor's Obligations, enforceable in accordance with the terms hereof
against all creditors of such Pledgor and any Persons purporting to purchase any
Collateral from such Pledgor and (b) are prior to all other Liens on the
Collateral in existence on the date hereof.

         Section 3.04 Pledgor and Issuer Information. On the date hereof, the
correct legal name of each Pledgor and Issuer, all names and trade names that
such Pledgor or Issuer has used in the last five years, such Pledgor or Issuer's
jurisdiction of organization and each jurisdiction of organization of such
Pledgor or Issuer over the last five years, organizational number, taxpayer
identification number, and the location(s) of such Pledgor or Issuer's chief
executive office or sole place of business over the last five years are
specified on Schedule 3.

         Section 3.05 Pledged Securities.

                  (a) The Pledged Securities required to be pledged hereunder
and under the Credit Agreement by such Pledgor are listed in Schedule 1. The
shares of Pledged Securities pledged by such Pledgor hereunder constitute all
the issued and outstanding shares of all classes of the Equity Interests of each
Issuer owned by such Pledgor. All the shares of the Pledged Securities have been
duly and validly issued and are fully paid and nonassessable; and such Pledgor
is the record and beneficial owner of, and has good title to, the Pledged
Securities pledged by it hereunder, free of any and all Liens or options in
favor of, or claims of, any other Person, except the security interest created
by this Agreement, and has rights in or the power to transfer the Pledged
Securities in which a Lien is granted by it hereunder, free and clear of any
Lien.

                  (b) There are no restrictions on transfer (that have not been
waived or otherwise consented to) in the LLC Agreement governing any Pledged LLC
Interest and the Partnership Agreement governing any Pledged Partnership
Interest or any other agreement relating thereto which would limit or restrict
(i) the grant of a security interest in the Pledged LLC Interests and the
Pledged Partnership Interests, (ii) the perfection of such security interest or
(iii) the exercise of remedies in respect of such perfected security interest in
the Pledged LLC Interests and the Pledged Partnership Interests, in each case,
as contemplated by this Agreement. Upon the exercise of remedies in respect of
the Pledged LLC Interests and the Pledged Partnership Interests, a transferee or
assignee of a membership interest or partnership interest, as the case may be,
of such LLC or Partnership, as the case may be, shall become a member or
partner, as the case may be, of such LLC or Partnership, as the case may be,
entitled to participate in the management thereof and, upon the transfer of the
entire interest of such Pledgor, such Pledgor ceases to be a member or partner,
as the case may be.

                                   ARTICLE IV
                                    COVENANTS

         Each Pledgor covenants and agrees with the Administrative Agent and the
Lenders that, from and after the date of this Agreement until the Borrower
Obligations shall have been paid in

                                      -5-
<PAGE>

full in cash, no Letter of Credit shall be outstanding and all of the
Commitments shall have terminated:

         Section 4.01 Maintenance of Perfected Security Interest; Further
Documentation. Each Pledgor agrees that:

                  (a) it shall maintain the security interest created by this
Agreement as a perfected security interest having at least the priority
described in Section 3.03 and shall defend such security interest against the
claims and demands of all Persons whomsoever.

                  (b) it will furnish to the Administrative Agent from time to
time statements and schedules further identifying and describing the Collateral
and such other reports in connection with the Collateral as the Administrative
Agent may reasonably request, all in reasonable detail.

                  (c) At any time and from time to time, upon the written
request of the Administrative Agent, and at the sole expense of such Pledgor, it
will promptly and duly execute and deliver, and have recorded, such further
instruments and documents and take such further actions as the Administrative
Agent may reasonably deem necessary for the purpose of obtaining or preserving
the full benefits of this Agreement and of the rights and powers herein granted,
including, without limitation, the delivery of certificated securities and the
filing of any financing or continuation statements under the UCC (or other
similar laws) in effect in any jurisdiction with respect to the security
interests created hereby.

         Section 4.02 Changes in Locations, Name, Etc. Such Pledgor recognizes
that financing statements pertaining to the Collateral have been or may be filed
twhere such Pledgor maintains any Collateral or is organized. Without limitation
of Section 8.01(m) of the Credit Agreement or any other covenant herein, such
Pledgor will not cause or permit any change in its (a) corporate name or in any
trade name used to identify it in the conduct of its business or in the
ownership of its Properties, (b) the location of its chief executive office or
principal place of business, (c) its identity or corporate structure or in the
jurisdiction in which it is incorporated or formed, (d) its jurisdiction of
organization or its organizational identification number in such jurisdiction of
organization or (e) its federal taxpayer identification number, unless, in each
case, such Pledgor shall have first (i) notified the Administrative Agent of
such change at least thirty (30) days prior to the effective date of such
change, and (ii) taken all action reasonably requested by the Administrative
Agent for the purpose of maintaining the perfection and priority of the
Administrative Agent's security interests under this Agreement. In any notice
furnished pursuant to this Section 4.02, such Pledgor will expressly state in a
conspicuous manner that the notice is required by this Agreement and contains
facts that may require additional filings of financing statements or other
notices for the purposes of continuing perfection of the Administrative Agent's
security interest in the Collateral. At the request of the Administrative Agent,
on or prior to the occurrence of such event, the Borrower will provide to the
Administrative Agent and the Lenders an opinion of counsel, in form and
substance reasonably satisfactory to the Administrative Agent, to the effect
that such event will not impair the validity of the security interests
hereunder, the perfection and priority thereof, the enforceability of the Loan
Documents, and such other matters as may be reasonably requested by the
Administrative Agent.

                                      -6-
<PAGE>

         Section 4.03 Pledged Securities.

                  (a) If such Pledgor shall become entitled to receive or shall
receive any stock certificate (including, without limitation, any certificate
representing a stock dividend or a distribution in connection with any
reclassification, increase or reduction of capital or any certificate issued in
connection with any reorganization), option or rights in respect of the Equity
Interests of any Issuer, whether in addition to, in substitution of, as a
conversion of, or in exchange for, any shares of the Pledged Securities, or
otherwise in respect thereof, such Pledgor shall accept the same as the agent of
the Lenders, hold the same in trust for the Lenders, segregated from other
Property of such Pledgor, and deliver the same forthwith to the Administrative
Agent in the exact form received, duly indorsed by such Pledgor to the
Administrative Agent, if required, together with an undated stock power covering
such certificate duly executed in blank by such Pledgor and with, if the
Administrative Agent so requests, signature guaranteed, to be held by the
Administrative Agent, subject to the terms hereof, as additional collateral
security for the Borrower Obligations.

                  (b) Without the prior written consent of the Administrative
Agent, such Pledgor will not (i) unless otherwise expressly permitted hereby or
under the other Loan Documents, vote to enable, or take any other action to
permit, any Issuer to issue any Equity Interests of any nature or to issue any
other securities convertible into or granting the right to purchase or exchange
for any Equity Interests of any nature of any Issuer, (ii) sell, assign,
transfer, exchange, or otherwise dispose of, or grant any option with respect
to, the Pledged Securities or Proceeds thereof (except pursuant to a transaction
expressly permitted by the Credit Agreement), (iii) create, incur or permit to
exist any Lien or option in favor of, or any claim of any Person with respect
to, any of the Pledged Securities or Proceeds thereof, or any interest therein,
except for the security interests created by this Agreement or (iv) enter into
any agreement or undertaking restricting the right or ability of such Pledgor or
the Administrative Agent to sell, assign or transfer any of the Pledged
Securities or Proceeds thereof.

                  (c) In the case of each Pledgor that is a partner in a
Partnership, such Pledgor hereby consents to the extent required by the
applicable Partnership Agreement to the pledge by each other Pledgor, pursuant
to the terms hereof, of the Pledged Partnership Interests in such Partnership
and to the transfer of such Pledged Partnership Interests to the Administrative
Agent or its nominee and to the substitution of the Administrative Agent or its
nominee as a substituted partner in such Partnership with all the rights, powers
and duties of a general partner or a limited partner, as the case may be. In the
case of each Pledgor member of an LLC, such Pledgor hereby consents to the
extent required by the applicable LLC Agreement to the pledge by each other
Pledgor, pursuant to the terms hereof, of the Pledged LLC Interests in such LLC
and to the transfer of such Pledged LLC Interests to the Administrative Agent or
its nominee and to the substitution of the Administrative Agent or its nominee
as a substituted member of the LLC with all the rights, powers and duties of a
member of the LLC in question.

                  (d) Such Pledgor shall not agree to any amendment of a
Partnership Agreement or LLC Agreement that in any way adversely affects the
perfection of the security interest of the Administrative Agent in the Pledged
Partnership Interests or Pledged LLC Interests pledged by such Pledgor
hereunder, including any amendment electing to treat the

                                      -7-
<PAGE>

membership interest or partnership interest of such Pledgor as a security under
Section 8-103 of the UCC.

                  (e) Each Pledgor shall furnish to the Administrative Agent
such stock powers and other instruments as may be required by the Administrative
Agent to assure the transferability of the Pledged Securities when and as often
as may be reasonably requested by the Administrative Agent.

                  (f) The Pledged Securities will at all times constitute not
less than 100% of the Equity Interests of the Issuer thereof owned by any
Pledgor. Each Pledgor will not permit any Issuer of any of the Pledged
Securities to issue any new shares of any class of Equity Interests of such
Issuer without the prior written consent of the Administrative Agent.

                                   ARTICLE V
                               REMEDIAL PROVISIONS

         Section 5.01 Code and Other Remedies.

                  (a) Upon the occurrence and during the continuance of an Event
of Default, the Administrative Agent, on behalf of the Lenders, may exercise, in
addition to all other rights and remedies granted to them in this Agreement, the
other Loan Documents and in any other instrument or agreement securing,
evidencing or relating to the Borrower Obligations, all rights and remedies of a
secured party under the UCC or any other applicable law or otherwise available
at law or equity. Without limiting the generality of the foregoing, the
Administrative Agent, without demand of performance or other demand,
presentment, protest, advertisement or notice of any kind (except any notice
required by law referred to below) to or upon any Pledgor or any other Person
(all and each of which demands, defenses, advertisements and notices are hereby
waived), may in such circumstances forthwith collect, receive, appropriate and
realize upon the Collateral, or any part thereof, and/or may forthwith sell,
lease, assign, give option or options to purchase, or otherwise dispose of and
deliver the Collateral or any part thereof (or contract to do any of the
foregoing), in one or more parcels at public or private sale or sales, at any
exchange, broker's board or office of any Lender or elsewhere upon such terms
and conditions as it may deem advisable and at such prices as it may deem best,
for cash or on credit or for future delivery without assumption of any credit
risk. Any Lender shall have the right upon any such public sale or sales, and,
to the extent permitted by law, upon any such private sale or sales, to purchase
the whole or any part of the Collateral so sold, free of any right or equity of
redemption in any Pledgor, which right or equity is hereby waived and released.
If applicable to any particular item of Collateral, each Pledgor further agrees,
at the Administrative Agent's request, to assemble the Collateral and make it
available to the Administrative Agent at places that the Administrative Agent
shall reasonably select, whether at such Pledgor's premises or elsewhere. Any
such sale or transfer by the Administrative Agent either to itself or to any
other Person shall be absolutely free from any claim of right by Pledgor,
including any equity or right of redemption, stay or appraisal which Pledgor has
or may have under any rule of law, regulation or statute now existing or
hereafter adopted (and such Pledgor hereby waives any rights it may have in
respect thereof). Upon any such sale or transfer, the Administrative Agent shall
have the right to deliver, assign and transfer to the purchaser or transferee
thereof the Collateral so sold or transferred. The Administrative Agent shall
apply the net proceeds of any

                                      -8-
<PAGE>

action taken by it pursuant to this Section 5.01, after deducting all reasonable
costs and expenses of every kind incurred in connection therewith or incidental
to the care or safekeeping of any of the Collateral or in any way relating to
the Collateral or the rights of the Administrative Agent and the Lenders
hereunder, including, without limitation, reasonable attorneys' fees and
disbursements, to the payment in whole or in part of the Borrower Obligations,
in accordance with Section 10.02(c) of the Credit Agreement, and only after such
application and after the payment by the Administrative Agent of any other
amount required by any provision of law, including, without limitation, Section
9.615 of the UCC, need the Administrative Agent account for the surplus, if any,
to any Pledgor. To the extent permitted by applicable law, each Pledgor waives
all claims, damages and demands it may acquire against the Administrative Agent
or any Lender arising out of the exercise by them of any rights hereunder except
to the extent caused by the gross negligence or willful misconduct of the
Administrative Agent or such Lender or their respective agents. If any notice of
a proposed sale or other disposition of Collateral shall be required by law,
such notice shall be deemed reasonable and proper if given at least 10 days
before such sale or other disposition.

                  (b) In the event that the Administrative Agent elects not to
sell the Collateral, the Administrative Agent retains its rights to dispose of
or utilize the Collateral or any part or parts thereof in any manner authorized
or permitted by law or in equity, and to apply the proceeds of the same towards
payment of the Borrower Obligations. Each and every method of disposition of the
Collateral described in this Agreement shall constitute disposition in a
commercially reasonable manner.

                  (c) The Administrative Agent may appoint any Person as agent
to perform any act or acts necessary or incident to any sale or transfer of the
Collateral.

         Section 5.02 Pledged Securities.

                  (a) Unless an Event of Default shall have occurred and be
continuing and the Administrative Agent shall have given notice to the relevant
Pledgor of the Administrative Agent's intent to exercise its corresponding
rights pursuant to Section 5.02(c), each Pledgor shall be permitted to receive
all cash dividends paid in respect of the Pledged Securities paid in the normal
course of business of the relevant Issuer (other than liquidating or
distributing dividends), to the extent permitted in the Credit Agreement. Any
sums paid upon or in respect of any Pledged Securities upon the liquidation or
dissolution of any issuer of any Pledged Securities, any distribution of capital
made on or in respect of any Pledged Securities or any property distributed upon
or with respect to any Pledged Securities pursuant to the recapitalization or
reclassification of the capital of any issuer of Pledged Collateral or pursuant
to the reorganization thereof shall, unless otherwise subject to a perfected
security interest in favor of the Administrative Agent, be delivered to the
Administrative Agent to be held by it hereunder as additional collateral
security for the Borrower Obligations. If any sum of money or property so paid
or distributed in respect of any Pledged Securities shall be received by such
Pledgor, such Pledgor shall, until such money or property is paid or delivered
to the Administrative Agent, hold such money or property in trust for the
Administrative Agent, segregated from other funds of such Pledgor, as additional
security for the Borrower Obligations.

                                      -9-
<PAGE>

                  (b) Unless an Event of Default shall have occurred and be
continuing and the and the Administrative Agent shall have given notice to the
relevant Pledgor of the Administrative Agent's intent to exercise its
corresponding rights pursuant to Section 5.02(c), each Pledgor shall be entitled
to exercise all voting, consent and corporate, partnership or limited liability
rights with respect to the Pledged Securities; provided, however, that no vote
shall be cast, consent given or right exercised or other action taken by such
Pledgor that would impair the Collateral, be inconsistent with or result in any
violation of any provision of the Credit Agreement, this Agreement or any other
Loan Document or, without the prior consent of the Administrative Agent and the
Lenders, enable or permit any issuer of Pledged Collateral to issue any Equity
Interest or to issue any other securities convertible into or granting the right
to purchase or exchange for any Stock of any issuer of Pledged Collateral other
than as permitted by the Credit Agreement.

                  (c) Upon the occurrence and during the continuance of an Event
of Default, upon notice by the Administrative Agent of its intent to exercise
such rights to the relevant Pledgor or Pledgors, (i) the Administrative Agent
shall have the right to receive any and all cash dividends, payments, Property
or other Proceeds paid in respect of the Pledged Securities and make application
thereof to the Borrower Obligations in accordance with Section 10.02(c) of the
Credit Agreement, and (ii) any or all of the Pledged Securities shall be
registered in the name of the Administrative Agent or its nominee, and (iii) the
Administrative Agent or its nominee may exercise (A) all voting, consent,
corporate, partnership or limited liability and other rights pertaining to such
Pledged Securities at any meeting of shareholders, partners or members (or other
equivalent body), as the case may be, of the relevant Issuer or Issuers or
otherwise and (B) any and all rights of conversion, exchange and subscription
and any other rights, privileges or options pertaining to such Pledged
Securities as if it were the absolute owner thereof (including, without
limitation, the right to exchange at its discretion any and all of the Pledged
Securities upon the merger, consolidation, reorganization, recapitalization or
other fundamental change in the organizational structure of any Issuer, or upon
the exercise by any Pledgor or the Administrative Agent of any right, privilege
or option pertaining to such Pledged Securities, and in connection therewith,
the right to deposit and deliver any and all of the Pledged Securities with any
committee, depositary, transfer agent, registrar or other designated agency upon
such terms and conditions as the Administrative Agent may determine), all
without liability except to account for Property actually received by it, but
the Administrative Agent shall have no duty to any Pledgor to exercise any such
right, privilege or option and shall not be responsible for any failure to do so
or delay in so doing.

                  (d) Upon the occurrence and during the continuance of an Event
of Default, in order to permit the Administrative Agent to exercise the voting
and other consensual rights that it may be entitled to exercise pursuant hereto
and to receive all dividends and other distributions that it may be entitled to
receive hereunder, (i) each Pledgor shall promptly execute and deliver (or cause
to be executed and delivered) to the Administrative Agent all such proxies,
dividend payment orders and other instruments as the Administrative Agent may
from time to time reasonably request and (ii) without limiting the effect of
clause (i) above, such Pledgor hereby grants to the Administrative Agent an
irrevocable proxy to vote all or any part of the Pledged Securities and to
exercise all other rights, powers, privileges and remedies to which a holder of
the Pledged Securities would be entitled (including giving or withholding
written consents of shareholders,

                                      -10-
<PAGE>

partners or members, as the case may be, calling special meetings of
shareholders, partners or members, as the case may be, and voting at such
meetings), which proxy shall be effective, automatically and without the
necessity of any action (including any transfer of any Pledged Securities on the
record books of the Issuer thereof) by any other Person (including the Issuer of
such Pledged Collateral or any officer or agent thereof).

                  (e) Each Pledgor hereby authorizes and instructs each Issuer
of any Pledged Securities pledged by such Pledgor hereunder to (i) comply with
any instruction received by it from the Administrative Agent in writing that (A)
states that an Event of Default has occurred and is continuing and (B) is
otherwise in accordance with the terms of this Agreement, without any other or
further instructions from such Pledgor, and each Pledgor agrees that each Issuer
shall be fully protected in so complying, and (ii) unless otherwise expressly
permitted hereby, pay any dividends or other payments with respect to the
Pledged Securities directly to the Administrative Agent.

                  (f) Upon the occurrence and during the continuance of an Event
of Default, if the Issuer of any Pledged Securities is the subject of
bankruptcy, insolvency, receivership, custodianship or other proceedings under
the supervision of any Governmental Authority, then all rights of the Pledgor in
respect thereof to exercise the voting and other consensual rights which such
Pledgor would otherwise be entitled to exercise with respect to the Pledged
Securities issued by such Issuer shall cease, and all such rights shall
thereupon become vested in the Administrative Agent who shall thereupon have the
sole right to exercise such voting and other consensual rights, but the
Administrative Agent shall have no duty to exercise any such voting or other
consensual rights and shall not be responsible for any failure to do so or delay
in so doing.

         Section 5.03 Private Sales of Pledged Securities.

                  (a) Each Pledgor recognizes that the Administrative Agent may
be unable to effect a public sale of any or all the Pledged Securities, by
reason of certain prohibitions contained in the Securities Act and applicable
state securities laws or otherwise or may determine that a public sale is
impracticable or not commercially reasonable and, accordingly, and may resort to
one or more private sales thereof to a restricted group of purchasers which will
be obliged to agree, among other things, to acquire such securities for their
own account for investment and not with a view to the distribution or resale
thereof. Each Pledgor acknowledges and agrees that any such private sale may
result in prices and other terms less favorable than if such sale were a public
sale and, notwithstanding such circumstances, agrees that any such private sale
shall be deemed to have been made in a commercially reasonable manner. The
Administrative Agent shall be under no obligation to delay a sale of any of the
Pledged Securities for the period of time necessary to permit the Issuer thereof
to register such securities for public sale under the Securities Act, or under
applicable state securities laws, even if such Issuer would agree to do so.

                  (b) Each Pledgor agrees to use commercially reasonable efforts
to do or cause to be done all such other acts as may reasonably be necessary to
make such sale or sales of all or any portion of the Pledged Securities pursuant
to this Section 5.03 valid and binding and in compliance with any and all other
applicable Governmental Requirements. Each Pledgor further agrees that a breach
of any of the covenants contained in this Section 5.03 will cause irreparable

                                      -11-
<PAGE>

injury to the Lenders, that the Lenders have no adequate remedy at law in
respect of such breach and, as a consequence, that each and every covenant
contained in this Section 5.03 shall be specifically enforceable against such
Pledgor, and such Pledgor hereby waives and agrees not to assert any defenses
against an action for specific performance of such covenants except for a
defense that no Event of Default has occurred or is continuing under the Credit
Agreement.

         Section 5.04 Waiver; Deficiency. Each Pledgor shall remain liable for
any deficiency if the proceeds of any sale or other disposition of the
Collateral are insufficient to pay its Obligations and the fees and
disbursements of any attorneys employed by the Administrative Agent or any
Lender to collect such deficiency.

         Section 5.05 Non-Judicial Enforcement. The Administrative Agent may
enforce its rights hereunder without prior judicial process or judicial hearing,
and to the extent permitted by law, each Pledgor expressly waives any and all
legal rights which might otherwise require the Administrative Agent to enforce
its rights by judicial process.

                                   ARTICLE VI
                            THE ADMINISTRATIVE AGENT

         Section 6.01 Administrative Agent's Appointment as Attorney-in-Fact,
Etc.

                  (a) Each Pledgor hereby irrevocably constitutes and appoints
the Administrative Agent and any officer or agent thereof, with full power of
substitution, as its true and lawful attorney-in-fact with full irrevocable
power and authority in the place and stead of such Pledgor and in the name of
such Pledgor or in its own name, for the purpose of carrying out the terms of
this Agreement, to take any and all reasonably appropriate action and to execute
any and all documents and instruments which may be reasonably necessary or
desirable to accomplish the purposes of this Agreement, and, without limiting
the generality of the foregoing, each Pledgor hereby gives the Administrative
Agent the power and right, on behalf of such Pledgor, without notice to or
assent by such Pledgor, to do any or all of the following:

                           (i) in the name of such Pledgor or its own name, or
otherwise, take possession of and indorse and collect any check, draft, note,
acceptance or other instrument for the payment of moneys due with respect to any
Collateral and file any claim or take any other action or proceeding in any
court of law or equity or otherwise deemed appropriate by the Administrative
Agent for the purpose of collecting any such moneys due with respect to any
other Collateral whenever payable;

                           (ii) unless being disputed under Section 8.04 of the
Credit Agreement, pay or discharge Taxes and Liens levied or placed on or
threatened against the Collateral, effect any repairs or any insurance called
for by the terms of this Agreement or any other Loan Document and pay all or any
part of the premiums therefor and the costs thereof;

                           (iii) execute, in connection with any sale provided
for in Section 5.01 or Section 5.03, any endorsements, assignments or other
instruments of conveyance or transfer with respect to the Collateral; and

                                      -12-
<PAGE>

                           (iv) (A) direct any party liable for any payment
under any of the Collateral to make payment of any and all moneys due or to
become due thereunder directly to the Administrative Agent or as the
Administrative Agent shall direct; (B) ask or demand for, collect, and receive
payment of and receipt for, any and all moneys, claims and other amounts due or
to become due at any time in respect of or arising out of any Collateral; (C)
commence and prosecute any suits, actions or proceedings at law or in equity in
any court of competent jurisdiction to collect the Collateral or any portion
thereof and to enforce any other right in respect of any Collateral; (D) defend
any suit, action or proceeding brought against such Pledgor with respect to any
Collateral; (E) settle, compromise or adjust any such suit, action or proceeding
and, in connection therewith, give such discharges or releases as the
Administrative Agent may deem appropriate; and (F) generally, sell, transfer,
pledge and make any agreement with respect to or otherwise deal with any of the
Collateral as fully and completely as though the Administrative Agent were the
absolute owner thereof for all purposes, and do, at the Administrative Agent's
option and such Pledgor's expense, at any time, or from time to time, all acts
and things which the Administrative Agent deems necessary to protect, preserve
or realize upon the Collateral and the Administrative Agent's and the Lenders'
security interests therein and to effect the intent of this Agreement, all as
fully and effectively as such Pledgor might do.

         Anything in this Section 6.01(a) to the contrary notwithstanding, the
Administrative Agent agrees that it will not exercise any rights under the power
of attorney provided for in this Section 6.01(a) unless an Event of Default
shall have occurred and be continuing.

                  (b) If any Pledgor fails to perform or comply with any of its
agreements contained herein within the applicable grace periods, the
Administrative Agent, at its option, but without any obligation so to do, may
perform or comply, or otherwise cause performance or compliance, with such
agreement.

                  (c) The expenses of the Administrative Agent incurred in
connection with actions undertaken as provided in this Section 6.01, together
with interest thereon at a rate per annum equal to the post-default rate
specified in Section 3.02(c) of the Credit Agreement, but in no event to exceed
the Highest Lawful Rate, from the date of payment by the Administrative Agent to
the date reimbursed by the relevant Pledgor, shall be payable by such Pledgor to
the Administrative Agent on demand.

                  (d) Each Pledgor hereby ratifies all that said attorneys shall
lawfully do or cause to be done by virtue and in compliance hereof. All powers,
authorizations and agencies contained in this Agreement are coupled with an
interest and are irrevocable until this Agreement is terminated.

         Section 6.02 Duty of Administrative Agent. The Administrative Agent's
sole duty with respect to the custody, safekeeping and physical preservation of
the Collateral in its possession, under Section 9.207 of the UCC or otherwise,
shall be to deal with it in the same manner as the Administrative Agent deals
with similar Property for its own account and shall be deemed to have exercised
reasonable care in the custody and preservation of the Collateral in its
possession if the Collateral is accorded treatment substantially equal to that
which comparable secured parties accord comparable collateral. Neither the
Administrative Agent, any Lender nor any of their Related Parties shall be
liable for failure to demand, collect or realize upon any of

                                      -13-
<PAGE>

the Collateral or for any delay in doing so or shall be under any
obligation to sell or otherwise dispose of any Collateral upon the request of
any Pledgor or any other Person or to take any other action whatsoever with
regard to the Collateral or any part thereof. The powers conferred on the
Administrative Agent and the Lenders hereunder are solely to protect the
Administrative Agent's and the Lenders' interests in the Collateral and shall
not impose any duty upon the Administrative Agent or any Lender to exercise any
such powers. The Administrative Agent and the Lenders shall be accountable only
for amounts that they actually receive as a result of the exercise of such
powers, and neither they nor any of their Related Parties shall be responsible
to any Pledgor for any act or failure to act hereunder, except for their own
gross negligence or willful misconduct. To the fullest extent permitted by
applicable law, the Administrative Agent shall be under no duty whatsoever to
make or give any presentment, notice of dishonor, protest, demand for
performance, notice of non-performance, notice of intent to accelerate, notice
of acceleration, or other notice or demand in connection with any Collateral or
the Borrower Obligations, or to take any steps necessary to preserve any rights
against any Pledgor or other Person or ascertaining or taking action with
respect to calls, conversions, exchanges, maturities, tenders or other matters
relative to any Collateral, whether or not it has or is deemed to have knowledge
of such matters. Each Pledgor, to the extent permitted by applicable law, waives
any right of marshaling in respect of any and all Collateral, and waives any
right to require the Administrative Agent or any Lender to proceed against any
Pledgor or other Person, exhaust any Collateral or enforce any other remedy
which the Administrative Agent or any Lender now has or may hereafter have
against any Pledgor or other Person.

         Section 6.03 Execution of Financing Statements. Pursuant to the UCC and
any other applicable law, each Pledgor authorizes the Administrative Agent to
file or record financing statements and other filing or recording documents or
instruments with respect to the Collateral without the signature of such Pledgor
in such form and in such offices as the Administrative Agent reasonably
determines appropriate to perfect the security interests of the Administrative
Agent under this Agreement. A photographic or other reproduction of this
Agreement shall be sufficient as a financing statement or other filing or
recording document or instrument for filing or recording in any jurisdiction.

         Section 6.04 Authority of Administrative Agent. Each Pledgor
acknowledges that the rights and responsibilities of the Administrative Agent
under this Agreement with respect to any action taken by the Administrative
Agent or the exercise or non-exercise by the Administrative Agent of any option,
voting right, request, judgment or other right or remedy provided for herein or
resulting or arising out of this Agreement shall, as between the Administrative
Agent and the Lenders, be governed by the Credit Agreement and by such other
agreements with respect thereto as may exist from time to time among them, but,
as between the Administrative Agent and the Pledgor, the Administrative Agent
shall be conclusively presumed to be acting as agent for the Lenders with full
and valid authority so to act or refrain from acting, and no Pledgor shall be
under any obligation, or entitlement, to make any inquiry respecting such
authority.
                                      -14-

<PAGE>

                                   ARTICLE VII
                                  MISCELLANEOUS

         Section 7.01 Waiver. No failure on the part of the Administrative
Agent or any Lender to exercise and no delay in exercising, and no course of
dealing with respect to, any right, power, privilege or remedy or any
abandonment or discontinuance of steps to enforce such right, power, privilege
or remedy under this Agreement or any other Loan Document shall operate as a
waiver thereof, nor shall any single or partial exercise of any right, power,
privilege or remedy under this Agreement or any other Loan Document preclude or
be construed as a waiver of any other or further exercise thereof or the
exercise of any other right, power, privilege or remedy. The remedies provided
herein are cumulative and not exclusive of any remedies provided by law or
equity.

         Section 7.02 Notices. All notices and other communications provided for
herein shall be given in the manner and subject to the terms of Section 12.01 of
the Credit Agreement; provided that any such notice, request or demand to or
upon any Pledgor shall be addressed to such Pledgor at its notice address set
forth on Schedule 4.

         Section 7.03. Payment of Expenses, Indemnities, Etc

                  (a) Each Pledgor agrees to pay or reimburse each Lender and
the Administrative Agent for all out-of-pocket expenses incurred by such Person,
including the fees, charges and disbursements of any counsel for the
Administrative Agent or any Lender, in connection with the enforcement or
protection of its rights in connection with this Agreement or any other Loan
Document, including, without limitation, all costs and expenses incurred in
enforcing or preserving any rights under this Agreement and the other Loan
Documents to which such Pledgor is a party.

                  (b) Each Pledgor agrees to pay, and to save the Administrative
Agent and the Lenders harmless from, any and all liabilities with respect to, or
resulting from any delay in paying, any and all Other Taxes which may be payable
or determined to be payable with respect to any of the Collateral or in
connection with any of the transactions contemplated by this Agreement.

                  (c) Each Pledgor agrees to pay, and to save the Administrative
Agent and the Lenders harmless from, any and all liabilities, obligations,
losses, damages, penalties, actions, judgments, suits, costs, expenses or
disbursements of any kind or nature whatsoever with respect to the execution,
delivery, enforcement, performance and administration of this Agreement to the
extent the Borrower would be required to do so pursuant to Section 12.03 of the
Credit Agreement.

         Section 7.04 Amendments in Writing. None of the terms or provisions of
this Agreement may be waived, amended, supplemented or otherwise modified except
in accordance with Section 12.02 of the Credit Agreement.

         Section 7.05 Successors and Assigns. The provisions of this Agreement
shall be binding upon the Pledgor and their successors and assigns and shall
inure to the benefit of the Administrative Agent and the Lenders and their
respective successors and assigns; provided that

                                      -15-
<PAGE>

except as set forth in Section 9.12 of the Credit Agreement, no Pledgor may
assign, transfer or delegate any of its rights or obligations under this
Agreement without the prior written consent of the Administrative Agent and the
Lenders, and any such purported assignment, transfer or delegation shall be null
and void.

         Section 7.06 Survival; Revival; Reinstatement.

                  (a) All covenants, agreements, representations and warranties
made by any Pledgor herein and in the certificates or other instruments
delivered in connection with or pursuant to this Agreement or any other Loan
Document to which it is a party shall be considered to have been relied upon by
the Administrative Agent, the Issuing Bank and the Lenders and shall survive the
execution and delivery of this Agreement and the making of any Loans and
issuance of any Letters of Credit, regardless of any investigation made by any
such other party or on its behalf and notwithstanding that the Administrative
Agent, the Issuing Bank or any Lender may have had notice or knowledge of any
Default or incorrect representation or warranty at the time any credit is
extended hereunder, and shall continue in full force and effect as long as the
principal of or any accrued interest on any Loan or any fee or any other amount
payable under the Credit Agreement is outstanding and unpaid or any Letter of
Credit is outstanding and so long as the Commitments have not expired or
terminated. The provisions of Section 7.03 shall survive and remain in full
force and effect regardless of the consummation of the transactions contemplated
hereby, the repayment of the Loans, the expiration or termination of the Letters
of Credit and the Commitments or the termination of this Agreement, any other
Loan Document or any provision hereof or thereof.

                  (b) To the extent that proceeds of any Collateral are
subsequently invalidated, declared to be fraudulent or preferential, set aside
or required to be repaid to a trustee, debtor in possession, receiver or other
Person under any bankruptcy law, common law or equitable cause, then to such
extent, the Borrower Obligations so satisfied shall be revived and continue as
if such payment or proceeds had not been received and the Administrative Agent's
and the Lenders' Liens, security interests, rights, powers and remedies under
this Agreement and each other Loan Document shall continue in full force and
effect. In such event, each Loan Document shall be automatically reinstated and
the Borrower shall take such action as may be reasonably requested by the
Administrative Agent and the Lenders to effect such reinstatement.

         Section 7.07 Counterparts; Integration; Effectiveness.

                  (a) This Agreement may be executed in counterparts (and by
different parties hereto on different counterparts), each of which shall
constitute an original, but all of which when taken together shall constitute a
single contract.

                  (b) This Agreement, the other Loan Documents and any separate
letter agreements with respect to fees payable to the Administrative Agent
constitute the entire contract among the parties relating to the subject matter
hereof and thereof and supersede any and all previous agreements and
understandings, oral or written, relating to the subject matter hereof and
thereof. THIS AGREEMENT AND THE OTHER LOAN DOCUMENTS (OTHER THAN THE LETTERS OF
CREDIT AND THE LETTER OF CREIDT AGREEMENTS) REPRESENT THE FINAL AGREEMENT AMONG
THE PARTIES HERETO AND

                                      -16-
<PAGE>

THERETO AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPERANEOUS OR
SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES. THERE ARE NO UNWRITTEN ORAL
AGREEMENTS BETWEEN THE PARTIES.

                  (c) This Agreement shall become effective when it shall have
been executed by the Administrative Agent and when the Administrative Agent
shall have received counterparts hereof which, when taken together, bear the
signatures of each of the other parties hereto, and thereafter shall be binding
upon and inure to the benefit of the parties hereto, the Lenders and their
respective successors and assigns. Delivery of an executed counterpart of a
signature page of this Agreement by telecopy shall be effective as delivery of a
manually executed counterpart of this Agreement.

         Section 7.08 Severability. Any provision of this Agreement or any other
Loan Document held to be invalid, illegal or unenforceable in any jurisdiction
shall, as to such jurisdiction, be ineffective to the extent of such invalidity,
illegality or unenforceability without affecting the validity, legality and
enforceability of the remaining provisions hereof or thereof; and the invalidity
of a particular provision in a particular jurisdiction shall not invalidate such
provision in any other jurisdiction.

         Section 7.09 Set-Off. If an Event of Default shall have occurred and be
continuing, each Lender and each of its Affiliates is hereby authorized at any
time and from time to time, to the fullest extent permitted by law, to set off
and apply any and all deposits (general or special, time or demand, provisional
or final) at any time held and other obligations (of whatsoever kind, including,
without limitations obligations under the Secured Swap Agreements) at any time
owing by such Lender or Affiliate to or for the credit or the account of any
Pledgor against any of and all the obligations of the Pledgor owed to such
Lender now or hereafter existing under this Agreement or any other Loan
Document, irrespective of whether or not such Lender shall have made any demand
under this Agreement or any other Loan Document and although such obligations
may be unmatured. The rights of each Lender under this Section 7.09 are in
addition to other rights and remedies (including other rights of setoff) that
such Lender or its Affiliates may have.

         Section 7.10 Governing Law; Submission to Jurisdiction.

                  (a) THIS AGREEMENT SHALL BE GOVERNED BY, AND CONSTRUED IN
ACCORDANCE WITH, THE LAWS OF THE STATE OF TEXAS.

                  (b) ANY LEGAL ACTION OR PROCEEDING WITH RESPECT TO THIS
AGREEMENT OR ANY OTHER LOAN DOCUMENT SHALL BE BROUGHT IN THE COURTS OF THE STATE
OF TEXAS OR OF THE UNITED STATES OF AMERICA FOR THE SOUTHERN DISTRICT OF TEXAS,
AND, BY EXECUTION AND DELIVERY OF THIS AGREEMENT, EACH OF THE PARTIES HEREBY
ACCEPTS FOR ITSELF AND (TO THE EXTENT PERMITTED BY LAW) IN RESPECT OF ITS
PROPERTY, GENERALLY AND UNCONDITIONALLY, THE JURISDICTION OF THE AFORESAID
COURTS. EACH PARTY HEREBY IRREVOCABLY WAIVES ANY OBJECTION, INCLUDING, WITHOUT
LIMITATION, ANY OBJECTION TO THE LAYING OF VENUE OR BASED ON THE GROUNDS OF
FORUM NON CONVENIENS, WHICH IT MAY NOW OR HEREAFTER

                                      -17-
<PAGE>

HAVE TO THE BRINGING OF ANY SUCH ACTION OR PROCEEDING IN SUCH RESPECTIVE
JURISDICTIONS. THIS SUBMISSION TO JURISDICTION IS NON-EXCLUSIVE AND DOES NOT
PRECLUDE A PARTY FROM OBTAINING JURISDICTION OVER ANOTHER PARTY IN ANY COURT
OTHERWISE HAVING JURISDICTION.

                  (c) EACH PARTY IRREVOCABLY CONSENTS TO THE SERVICE OF PROCESS
OF ANY OF THE AFOREMENTIONED COURTS IN ANY SUCH ACTION OR PROCEEDING BY THE
MAILING OF COPIES THEREOF BY REGISTERED OR CERTIFIED MAIL, POSTAGE PREPAID, TO
IT AT THE ADDRESS SPECIFIED IN SECTION 12.01 OF THE CREDIT AGREEMENT (OR SUCH
OTHER ADDRESS AS IS SPECIFIED PURSUANT TO SECTION 12.01 OF THE CREDIT
AGREEMENT), SUCH SERVICE TO BECOME EFFECTIVE THIRTY (30) DAYS AFTER SUCH
MAILING. NOTHING HEREIN SHALL AFFECT THE RIGHT OF A PARTY OR ANY HOLDER OF A
NOTE TO SERVE PROCESS IN ANY OTHER MANNER PERMITTED BY LAW OR TO COMMENCE LEGAL
PROCEEDINGS OR OTHERWISE PROCEED AGAINST ANOTHER PARTY IN ANY OTHER
JURISDICTION.

                  (d) EACH PARTY HEREBY (1) IRREVOCABLY AND UNCONDITIONALLY
WAIVES, TO THE FULLEST EXTENT PERMITTED BY LAW, TRIAL BY JURY IN ANY LEGAL
ACTION OR PROCEEDING RELATING TO THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT AND
FOR ANY COUNTERCLAIM THEREIN; (2) IRREVOCABLY WAIVES, TO THE MAXIMUM EXTENT NOT
PROHIBITED BY LAW, ANY RIGHT IT MAY HAVE TO CLAIM OR RECOVER IN ANY SUCH
LITIGATION ANY SPECIAL, EXEMPLARY, PUNITIVE OR CONSEQUENTIAL DAMAGES, OR DAMAGES
OTHER THAN, OR IN ADDITION TO, ACTUAL DAMAGES; (3) CERTIFIES THAT NO PARTY
HERETO NOR ANY REPRESENTATIVE OR AGENT OF COUNSEL FOR ANY PARTY HERETO HAS
REPRESENTED, EXPRESSLY OR OTHERWISE, OR IMPLIED THAT SUCH PARTY WOULD NOT, IN
THE EVENT OF LITIGATION, SEEK TO ENFORCE THE FOREGOING WAIVERS, AND (4)
ACKNOWLEDGES THAT IT HAS BEEN INDUCED TO ENTER INTO THIS AGREEMENT, THE OTHER
LOAN DOCUMENTS AND THE TRANSACTIONS CONTEMPLATED HEREBY AND THEREBY BY, AMONG
OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS CONTAINED IN THIS Section
7.10.

         Section 7.11 Headings. Article and Section headings and the Table of
Contents used herein are for convenience of reference only, are not part of this
Agreement and shall not affect the construction of, or be taken into
consideration in interpreting, this Agreement.

         Section 7.12 Acknowledgments. Each Pledgor hereby acknowledges that:

                  (a) it has been advised by counsel in the negotiation,
execution and delivery of this Agreement and the other Loan Documents to which
it is a party;

                  (b) neither the Administrative Agent nor any Lender has any
fiduciary relationship with or duty to any Pledgor arising out of or in
connection with this Agreement or any of the other Loan Documents, and the
relationship between the Pledgors, on the one hand,

                                      -18-
<PAGE>

and the Administrative Agent and Lenders, on the other hand, in connection
herewith or therewith is solely that of debtor and creditor; and

                  (c) no joint venture is created hereby or by the other Loan
Documents or otherwise exists by virtue of the transactions contemplated hereby
among the Lenders or among the Pledgors and the Lenders.

                  (d) Each of the parties hereto specifically agrees that it has
a duty to read this Agreement, the Security Instruments and the other Loan
Documents and agrees that it is charged with notice and knowledge of the terms
of this Agreement, the Security Instruments and the other Loan Documents; that
it has in fact read this Agreement, the Security Instruments and the other Loan
Documents and is fully informed and has full notice and knowledge of the terms,
conditions and effects thereof; that it has been represented by independent
legal counsel of its choice throughout the negotiations preceding its execution
of this Agreement and the Security Instruments; and has received the advice of
its attorney in entering into this Agreement and the Security Instruments; and
that it recognizes that certain of the terms of this Agreement and the Security
Instruments result in one party assuming the liability inherent in some aspects
of the transaction and relieving the other party of its responsibility for such
liability. EACH PARTY HERETO AGREES AND COVENANTS THAT IT WILL NOT CONTEST THE
VALIDITY OR ENFORCEABILITY OF ANY EXCULPATORY PROVISION OF THIS AGREEMENT AND
THE SECURITY INSTRUMENTS ON THE BASIS THAT THE PARTY HAD NO NOTICE OR KNOWLEDGE
OF SUCH PROVISION OR THAT THE PROVISION IS NOT "CONSPICUOUS."

         Section 7.13 Releases.

                  (a) Release Upon Payment in Full. The grant of a security
interest hereunder and all of rights, powers and remedies in connection herewith
shall remain in full force and effect until the Administrative Agent has (i)
retransferred and delivered all Collateral in its possession to the Pledgors,
and (ii) executed a written release or termination statement and reassigned to
the Pledgors without recourse or warranty any remaining Collateral and all
rights conveyed hereby. Upon the complete payment of the Borrower Obligations,
the termination of all of the Commitments and the compliance by the Pledgors
with all covenants and agreements hereof, the Administrative Agent, at the
expense of the Borrower, will promptly release, reassign and transfer the
Collateral to the Pledgors and declare this Agreement to be of no further force
or effect.

                  (b) Partial Releases. If any of the Collateral shall be sold,
transferred or otherwise disposed of by any Pledgor in a transaction permitted
by the Credit Agreement, then the Administrative Agent, at the request and sole
expense of such Pledgor, shall promptly execute and deliver to such Pledgor all
releases or other documents reasonably necessary or desirable for the release of
the Liens created hereby on such Collateral and the Equity Interests of the
Issuer thereof.

                  (c) Retention in Satisfaction. Except as may be expressly
applicable pursuant to Section 9.620 of the UCC, no action taken or omission to
act by the Administrative Agent or the Lenders hereunder, including, without
limitation, any exercise of voting or consensual rights

                                      -19-
<PAGE>

or any other action taken or inaction, shall be deemed to constitute a retention
of the Collateral in satisfaction of the Borrower Obligations or otherwise to be
in full satisfaction of the Borrower Obligations, and the Borrower Obligations
shall remain in full force and effect, until the Administrative Agent and the
Lenders shall have applied payments (including, without limitation, collections
from Collateral) towards the Borrower Obligations in the full amount then
outstanding or until such subsequent time as is provided in Section 7.13(a).

         Section 7.14 Acceptance. Each Pledgor hereby expressly waives notice of
acceptance of this Agreement, acceptance on the part of the Administrative Agent
and the Lenders being conclusively presumed by their request for this Agreement
and delivery of the same to the Administrative Agent.

      [Remainder of page intentionally left blank; signature page follows]

                                      -20-

<PAGE>

         IN WITNESS WHEREOF, each of the undersigned has caused this Pledge
Agreement to be duly executed and delivered as of the date first above written.

PLEDGORS:                               LEGACY RESERVES LP

                                          By:      LEGACY RESERVES GP, LLC,
                                                   its general partner

                                        By:
                                            -----------------------------------
                                            Steven H. Pruett
                                            President, Chief Financial Officer
                                            and Secretary

                                        LEGACY RESERVES OPERATING GP LLC

                                          By:      LEGACY RESERVES LP,
                                                   its sole member

                                          By:      LEGACY RESERVES GP, LLC,
                                                   its general partner

                                        By:
                                            -----------------------------------
                                            Steven H. Pruett
                                            President, Chief Financial Officer
                                            and Secretary

                   Signature Page - Borrower Pledge Agreement

<PAGE>

Acknowledged and Agreed to as
of the date hereof by:

ADMINISTRATIVE AGENT:                   BNP PARIBAS

                                        By:
                                            -----------------------------------
                                        Name:
                                        Title:

                                        By:
                                            -----------------------------------
                                        Name:
                                        Title:

                   Signature Page - Borrower Pledge Agreement

<PAGE>

                                   Schedule 1

                        DESCRIPTION OF PLEDGED SECURITIES

Pledged Securities:

<Table>
<Caption>
                                          PERCENTAGE        PERCENTAGE       CLASS OF        NO. OF      CERTIFICATE
        OWNER              ISSUER           OWNED            PLEDGED         STOCK OR        SHARES          NO.
                                                                           OTHER EQUITY
                                                                             INTEREST
<S>                       <C>             <C>               <C>            <C>              <C>          <C>
 Legacy Reserves LP        Legacy           99.99%             100%         All of the        N/A            N/A
                          Reserves                                            limited
                        Operating LP                                          partner
                                                                             interests

 Legacy Reserves LP        Legacy            100%              100%         All of the        N/A            N/A
                          Reserves                                            Limited
                        Operating GP                                         Liability
                            LLC                                               Company
                                                                             interests

 Legacy Reserves LP        Legacy            100%              100%         All of the         1            1000
                          Reserves                                         common stock
                       Services, Inc.

   Legacy Reserves         Legacy           0.01%              100%         All of the        N/A            N/A
  Operating GP LLC        Reserves                                            general
                        Operating LP                                          partner
                                                                             interests
</Table>

                                 Schedule 1 - 1
<PAGE>

                                   Schedule 2

                            FILINGS AND OTHER ACTIONS
                     REQUIRED TO PERFECT SECURITY INTERESTS

1.       Filing of UCC-1 Financing Statements with respect to the Collateral
         with the Secretary of State of the State of Delaware and the State of
         Texas.

2.       Delivery to the Administrative Agent of all Pledged Securities
         consisting of certificated securities, in each case properly endorsed
         for transfer or in blank.

                                 Schedule 2 - 1
<PAGE>

                                   Schedule 3

LOCATION OF JURISDICTION OF ORGANIZATION AND CHIEF EXECUTIVE OFFICE

Legal name:  Legacy Reserves LP
Address:  303 W. Wall Street, Suite 1600, Midland, TX 79701
All names and trade names that Legacy Reserves LP has used in the last five
years:  No other names
Jurisdiction of organization over the last five years:  Delaware
Current jurisdiction of organization:  Delaware
Taxpayer identification number:  16-1751069
Organizational number:  4038949

Legal name:  Legacy Reserves Operating LP
Address:  303 W. Wall Street, Suite 1600, Midland, TX 79701
All names and trade names that Legacy Reserves Operating LP has used in the last
five years:  No other names
Jurisdiction of organization over the last five years:  Delaware
Current jurisdiction of organization:  Delaware
Taxpayer identification number:  20-4307259
Organizational number:  4096664

Legal name:  Legacy Reserves Operating GP LLC
Address:  303 W. Wall Street, Suite 1600, Midland, TX 79701
All names and trade names that Legacy Reserves Operating GP LLC has used in the
last five years:  No other names
Jurisdiction of organization over the last five years:  Delaware
Current jurisdiction of organization:  Delaware
Taxpayer identification number:  20-4307209
Organizational number:  4096662

Legal name:  Legacy Reserves Services, Inc.
Address:  303 W. Wall Street, Suite 1600, Midland, TX 79701
All names and trade names that Legacy Reserves Services, Inc. has used in the
last five years:  No other names
Jurisdiction of organization over the last five years:  Texas
Current jurisdiction of organization:  Texas
Taxpayer identification number:  20-4442710
Organizational number:  800619799

                                 Schedule 3 - 1

<PAGE>

                                   Schedule 4

                          NOTICE ADDRESSES OF PLEDGORS

Legacy Reserves LP and Legacy Reserves Operating GP LLC

303 West Wall Street, Suite 1600
Midland, Texas 79701

Attn: Steven H. Pruett, President and CFO
Tel. 432-682-2516
Fax 432-682-4013
E-mail  spruett@legacylp.com

                                 Schedule 4 - 1
<PAGE>

                           ACKNOWLEDGMENT AND CONSENT

         The undersigned hereby acknowledges receipt of a copy of the Pledge
Agreement dated as of March 15, 2006 (the "Pledge Agreement"), made by the
Pledgors parties thereto for the benefit of BNP PARIBAS, as Administrative
Agent. The undersigned agrees for the benefit of the Administrative Agent and
the Lenders as follows:

         1. The undersigned will be bound by the terms of the Pledge Agreement
and will comply with such terms insofar as such terms are applicable to the
undersigned.

         2. The terms of Section 5.01(a) and Section 5.03 of the Pledge
Agreement shall apply to it, mutatis mutandis, with respect to all actions that
may be required of it pursuant to Section 5.02(a) or Section 5.03 of the Pledge
Agreement.

      [Remainder of page intentionally left blank; signature page follows]

                                 Acknowledgment

<PAGE>

                                        LEGACY RESERVES OPERATING LP

                                          By:      LEGACY RESERVES OPERATING GP
                                                   LLC, its general partner
                                          By:      LEGACY RESERVES LP, its sole
                                                   member
                                          By:      LEGACY RESERVES GP, LLC, its
                                                   general partner

                                        By:
                                             ----------------------------------
                                             Steven H. Pruett
                                             President, Chief Financial Officer
                                             and Secretary

                                        LEGACY RESERVES OPERATING GP LLC

                                          By:      LEGACY RESERVES LP, its sole
                                                   member
                                          By:      LEGACY RESERVES GP, LLC, its
                                                   general partner

                                        By:
                                             ---------------------------------
                                             Steven H. Pruett
                                             President, Chief Financial Officer
                                             and Secretary

                                        LEGACY RESERVES SERVICES, INC.

                                        By:
                                             ----------------------------------
                                             Steven H. Pruett
                                             President, Chief Financial Officer
                                             and Secretary

                        Signature Page - Acknowledgment
<PAGE>

                                    EXHIBIT D
                       [FORM OF] ASSIGNMENT AND ASSUMPTION

     This Assignment and Assumption (the "Assignment and Assumption") is dated
as of the Effective Date set forth below and is entered into by and between
[Insert name of Assignor] (the "Assignor") and [Insert name of Assignee] (the
"Assignee"). Capitalized terms used but not defined herein shall have the
meanings given to them in the Credit Agreement identified below (as amended, the
"Credit Agreement"), receipt of a copy of which is hereby acknowledged by the
Assignee. The Standard Terms and Conditions set forth in Annex 1 attached hereto
are hereby agreed to and incorporated herein by reference and made a part of
this Assignment and Assumption as if set forth herein in full.

     The Assignor named on the reverse hereof hereby sells and assigns, without
recourse, to the Assignee named on the reverse hereof, and the Assignee hereby
purchases and assumes, without recourse, from the Assignor, effective as of the
Assignment Date set forth on the reverse hereof, the interests set forth on the
reverse hereof (the "Assigned Interest") in the Assignor's rights and
obligations under the Credit Agreement, including, without limitation, the
interests set forth on the reverse hereof in the Commitment of the Assignor on
the Assignment Date and Loans owing to the Assignor which are outstanding on the
Assignment Date, together with the participations in Letters of Credit and LC
Disbursements held by the Assignor on the Assignment Date, but excluding accrued
interest and fees to and excluding the Assignment Date. The Assignee hereby
acknowledges receipt of a copy of the Credit Agreement. From and after the
Assignment Date (i) the Assignee shall be a party to and be bound by the
provisions of the Credit Agreement and, to the extent of the Assigned Interest,
have the rights and obligations of a Lender thereunder and (ii) the Assignor
shall, to the extent of the Assigned Interest, relinquish its rights and be
released from its obligations under the Credit Agreement.

     This Assignment and Assumption is being delivered to the Administrative
Agent together with (i) if the Assignee is a Foreign Lender, any documentation
required to be delivered by the Assignee pursuant to Section 5.03(e) of the
Credit Agreement, duly completed and executed by the Assignee, and (ii) if the
Assignee is not already a Lender under the Credit Agreement, an Administrative
Questionnaire in the form supplied by the Administrative Agent, duly completed
by the Assignee. The [Assignee/Assignor] shall pay the fee payable to the
Administrative Agent pursuant to Section 12.04(b) of the Credit Agreement.

     This Assignment and Assumption shall be governed by and construed in
accordance with the laws of the State of Texas.

Date of Assignment: ____________________________

Legal Name of Assignor: ________________________

Legal Name of Assignee: ________________________

Assignee's Address for Notices: ________________

Effective Date of Assignment ___________________

("Assignment Date"): ___________________________

                                    EXHIBIT D
<PAGE>

<TABLE>
<CAPTION>
                                                        Percentage Assigned of
                                                       Facility/Commitment (set
                                                    forth, to at least 8 decimals,
                                                   as a percentage of the Facility
                                                    and the aggregate Commitments
Facility               Principal Amount Assigned      of all Lenders thereunder)
--------               -------------------------   -------------------------------
<S>                    <C>                         <C>
Commitment Assigned:          $___________                   ___________%
Loans:                         ___________                   ___________
</TABLE>

The terms set forth above and on the reverse side hereof are hereby agreed to:

                                        [Name of Assignor], as Assignor

                                        By:
                                            ------------------------------------
                                        Name:
                                              ----------------------------------
                                        Title:
                                               ---------------------------------

                                        [Name of Assignee], as Assignee

                                        By:
                                            ------------------------------------
                                        Name:
                                              ----------------------------------
                                        Title:
                                               ---------------------------------

The undersigned hereby consent to the within assignment:(1)

Legacy Reserves LP                      BNP Paribas,
                                        as Administrative Agent

By: Legacy Reserves GP, LLC,
    as General Partner

By:                                     By:
    ---------------------------------       ------------------------------------
Name:                                   Name:
      -------------------------------         ----------------------------------
Title:                                  Title:
       ------------------------------          ---------------------------------

                                        By:
                                            ------------------------------------
                                        Name:
                                              ----------------------------------
                                        Title:
                                               ---------------------------------

----------
(1)  Consents to be included to the extent required by Section 12.04(b) of the
     Credit Agreement.

                                    EXHIBIT D

<PAGE>

                               LEGACY RESERVES LP
                                CREDIT AGREEMENT

                        STANDARD TERMS AND CONDITIONS FOR
                            ASSIGNMENT AND ASSUMPTION

     1. Representations and Warranties.

     1.1 Assignor. The Assignor (a) represents and warrants that (i) it is the
legal and beneficial owner of the Assigned Interest, (ii) the Assigned Interest
is free and clear of any lien, encumbrance or other adverse claim and (iii) it
has full power and authority, and has taken all action necessary, to execute and
deliver this Assignment and Assumption and to consummate the transactions
contemplated hereby; and (b) assumes no responsibility with respect to (i) any
statements, warranties or representations made in or in connection with the
Credit Agreement or any other Loan Document, (ii) the execution, legality,
validity, enforceability, genuineness, sufficiency or value of the Loan
Documents or any collateral thereunder, (iii) the financial condition of the
Borrower, any of its Subsidiaries or Affiliates or any other Person obligated in
respect of any Loan Document or (iv) the performance or observance by the
Borrower, any of its Subsidiaries or Affiliates or any other Person of any of
their respective obligations under any Loan Document.

     1.2. Assignee. The Assignee (a) represents and warrants that (i) it has
full power and authority, and has taken all action necessary, to execute and
deliver this Assignment and Assumption and to consummate the transactions
contemplated hereby and to become a Lender under the Credit Agreement, (ii) it
satisfies the requirements, if any, specified in the Credit Agreement that are
required to be satisfied by it in order to acquire the Assigned Interest and
become a Lender, (iii) from and after the Effective Date, it shall be bound by
the provisions of the Credit Agreement as a Lender thereunder and, to the extent
of the Assigned Interest, shall have the obligations of a Lender thereunder,
(iv) it has received a copy of the Credit Agreement, together with copies of the
most recent financial statements delivered pursuant to Section 8.01 thereof, as
applicable, and such other documents and information as it has deemed
appropriate to make its own credit analysis and decision to enter into this
Assignment and Assumption and to purchase the Assigned Interest on the basis of
which it has made such analysis and decision independently and without reliance
on the Administrative Agent or any other Lender, and (v) if it is a Foreign
Lender, attached to the Assignment and Assumption is any documentation required
to be delivered by it pursuant to the terms of the Credit Agreement, duly
completed and executed by the Assignee; and (b) agrees that (i) it will,
independently and without reliance on the Administrative Agent, the Assignor or
any other Lender, and based on such documents and information as it shall deem
appropriate at the time, continue to make its own credit decisions in taking or
not taking action under the Loan Documents, and (ii) it will perform in
accordance with their terms all of the obligations which by the terms of the
Loan Documents are required to be performed by it as a Lender.

     2. Payments. From and after the Effective Date, the Administrative Agent
shall make all payments in respect of the Assigned Interest (including payments
of principal, interest, fees and other amounts) to the Assignor for amounts
which have accrued to but excluding the Effective Date and to the Assignee for
amounts which have accrued from and after the Effective Date.

     3. General Provisions. This Assignment and Assumption shall be binding
upon, and inure to the benefit of, the parties hereto and their respective
successors and assigns. This Assignment and

                                        1

<PAGE>

Assumption may be executed in any number of counterparts, which together shall
constitute one instrument. Delivery of an executed counterpart of a signature
page of this Assignment and Assumption by telecopy shall be effective as
delivery of a manually executed counterpart of this Assignment and Assumption.
This Assignment and Assumption shall be governed by, and construed in accordance
with, the law of the State of Texas.

                                        2

<PAGE>

                                  SCHEDULE 7.05
                                   LITIGATION

                                      None

                                SCHEDULE 7.05 - 1

<PAGE>

                                  SCHEDULE 7.12
                               MATERIAL AGREEMENTS

                                      None

                                SCHEDULE 7.12 - 1

<PAGE>

                                  SCHEDULE 7.15
                                  SUBSIDIARIES

                       SUBSIDIARIES OF LEGACY RESERVES LP

<Table>
<Caption>

         ENTITY NAME             JURISDICTION OF        LOCATION OF CHIEF                 ORGANIZATIONAL
                                   ORGANIZATION         EXECUTIVE OFFICES                       ID
----------------------------- ---------------------- ------------------------------- ------------------------
<S>                           <C>                    <C>                             <C>
Legacy Reserves Operating           Delaware         303 West Wall Street                    4096662
GP LLC                                               Suite 1600
                                                     Midland, Texas 79701
----------------------------- ---------------------- ------------------------------- ------------------------
Legacy Reserves Operating LP        Delaware         303 West Wall Street                    4096664
                                                     Suite 1600
                                                     Midland, Texas 79701
----------------------------- ---------------------- ------------------------------- ------------------------
Legacy Reserves Services,             Texas          303 West Wall Street                   800619799
Inc.                                                 Suite 1600
                                                     Midland, Texas 79701

</Table>

                                SCHEDULE 7.15 - 1

<PAGE>

                                  SCHEDULE 7.18
                                 GAS IMBALANCES

                                      None

                                SCHEDULE 7.19 - 1

<PAGE>

                                  SCHEDULE 7.19
                               MARKETING CONTRACTS

                                      None

                                SCHEDULE 7.19 - 1

<PAGE>

                                  SCHEDULE 7.20
                                 SWAP AGREEMENTS

ANNEX 1

Moriah Properties, Ltd.
<Table>
<Caption>
-------------------------------------------------------------------------------------------------
TRADE NO.  TRADE DT B/S  LIVE QTY  COMMODITY    TRN. PRICING   PRICING  SETT./MATUR TRADE    CURR.
                                                GRP  START DT  END DT      DT       PRICE
-------------------------------------------------------------------------------------------------
<S>        <C>      <C>  <C>       <C>          <C>  <C>       <C>       <C>        <C>      <C>
  83040    05/25/05  B    21,000    WTI(1,0)    SWP  02/01/06  02/28/06  03/07/06   59.380   USD
-------------------------------------------------------------------------------------------------
  83040    05/25/05  B    21,000    WTI(1,0)    SWP  03/01/06  03/31/06  04/07/06   59.380   USD
-------------------------------------------------------------------------------------------------
  83040    05/25/05  B    21,000    WTI(1,0)    SWP  04/01/06  04/30/06  05/05/06   59.380   USD
-------------------------------------------------------------------------------------------------
  83040    05/25/05  B    21,000    WTI(1,0)    SWP  05/01/0605/31/06    06/07/06   59.380   USD
-------------------------------------------------------------------------------------------------
  83040    05/25/05  B    21,000    WTI(1,0)    SWP  06/01/0606/30/06    07/10/06   59.380   USD
-------------------------------------------------------------------------------------------------
  83040    05/25/05  B    21,000    WTI(1,0)    SWP  07/01/0607/31/06    08/07/06   59.380   USD
-------------------------------------------------------------------------------------------------
  83040    05/25/05  B    21,000    WTI(1,0)    SWP  08/01/0608/31/06    09/07/06   59.380   USD
-------------------------------------------------------------------------------------------------
  83040    05/25/05  B    21,000    WTI(1,0)    SWP  09/01/0609/30/06    10/06/06   59.380   USD
-------------------------------------------------------------------------------------------------
  83040    05/25/05  B    21,000    WTI(1,0)    SWP  10/01/0610/31/06    11/07/06   59.380   USD
-------------------------------------------------------------------------------------------------
  83040    05/25/05  B    21,000    WTI(1,0)    SWP  11/01/0611/30/06    12/07/06   59.380   USD
-------------------------------------------------------------------------------------------------
  83040    05/25/05  B    21,000    WTI(1,0)    SWP  12/01/0612/31/06    01/08/07   59.380   USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
  85478    07/05/05  B    18,000    WTI(1,0)    SWP  01/01/0701/31/07    02/07/07   60.000   USD
-------------------------------------------------------------------------------------------------
  85478    07/05/05  B    18,000    WTI(1,0)    SWP  02/01/0702/28/07    03/07/07   60.000   USD
-------------------------------------------------------------------------------------------------
  85478    07/05/05  B    18,000    WTI(1,0)    SWP  03/01/0703/31/07    04/06/07   60.000   USD
-------------------------------------------------------------------------------------------------
  85478    07/05/05  B    18,000    WTI(1,0)    SWP  04/01/0704/30/07    05/07/07   60.000   USD
-------------------------------------------------------------------------------------------------
  85478    07/05/05  B    18,000    WTI(1,0)    SWP  05/01/0705/31/07    06/07/07   60.000   USD
-------------------------------------------------------------------------------------------------
  85478    07/05/05  B    18,000    WTI(1,0)    SWP  06/01/0706/30/07    07/09/07   60.000   USD
-------------------------------------------------------------------------------------------------
  85478    07/05/05  B    18,000    WTI(1,0)    SWP  07/01/0707/31/07    08/07/07   60.000   USD
-------------------------------------------------------------------------------------------------
  85478    07/05/05  B    18,000    WTI(1,0)    SWP  08/01/0708/31/07    09/10/07   60.000   USD
-------------------------------------------------------------------------------------------------
  85478    07/05/05  B    18,000    WTI(1,0)    SWP  09/01/0709/30/07    10/05/07   60.000   USD
-------------------------------------------------------------------------------------------------
  85478    07/05/05  B    18,000    WTI(1,0)    SWP  10/01/0710/31/07    11/07/07   60.000   USD
-------------------------------------------------------------------------------------------------
  85478    07/05/05  B    18,000    WTI(1,0)    SWP  11/01/0711/30/07    12/07/07   60.000   USD
-------------------------------------------------------------------------------------------------
  85478    07/05/05  B    18,000    WTI(1,0)    SWP  12/01/0712/31/07    01/08/08   60.000   USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
  86935    08/01/05  B    16,924    WTI(1,0)    SWP  01/01/0801/31/08    02/07/08   60.500   USD
-------------------------------------------------------------------------------------------------
  86935    08/01/05  B    16,924    WTI(1,0)    SWP  02/01/0802/29/08    03/07/08   60.500   USD
-------------------------------------------------------------------------------------------------
  86935    08/01/05  B    16,924    WTI(1,0)    SWP  03/01/0803/31/08    04/07/08   60.500   USD
-------------------------------------------------------------------------------------------------
  86935    08/01/05  B    16,924    WTI(1,0)    SWP  04/01/0804/30/08    05/07/08   60.500   USD
-------------------------------------------------------------------------------------------------
  86935    08/01/05  B    16,924    WTI(1,0)    SWP  05/01/0805/31/08    06/06/08   60.500   USD
-------------------------------------------------------------------------------------------------
  86935    08/01/05  B    16,924    WTI(1,0)    SWP  06/01/0806/30/08    07/08/08   60.500   USD
-------------------------------------------------------------------------------------------------
  86935    08/01/05  B    16,924    WTI(1,0)    SWP  07/01/0807/31/08    08/07/08   60.500   USD
-------------------------------------------------------------------------------------------------
  86935    08/01/05  B    16,924    WTI(1,0)    SWP  08/01/0808/31/08    09/05/08   60.500   USD
-------------------------------------------------------------------------------------------------
  86935    08/01/05  B    16,924    WTI(1,0)    SWP  09/01/0809/30/08    10/07/08   60.500   USD
-------------------------------------------------------------------------------------------------
  86935    08/01/05  B    16,924    WTI(1,0)    SWP  10/01/0810/31/08    11/07/08   60.500   USD
-------------------------------------------------------------------------------------------------
  86935    08/01/05  B    16,924    WTI(1,0)    SWP  11/01/0811/30/08    12/05/08   60.500   USD
-------------------------------------------------------------------------------------------------
  86935    08/01/05  B    16,924    WTI(1,0)    SWP  12/01/0812/31/08    01/07/09   60.500   USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
  90674    09/29/05  B    53,308    NG(1,0)     SWP  02/22/0602/24/06    03/03/06   14.120   USD
-------------------------------------------------------------------------------------------------
  90674    09/29/05  B    51,588    NG(1,0)     SWP  03/27/0603/29/06    04/05/06   11.200   USD
-------------------------------------------------------------------------------------------------
  90674    09/29/05  B    53,308    NG(1,0)     SWP  04/24/0604/26/06    05/03/06   10.670   USD
-------------------------------------------------------------------------------------------------
  90674    09/29/05  B    51,588    NG(1,0)     SWP  05/24/0605/26/06    06/02/06   10.680   USD
-------------------------------------------------------------------------------------------------
</Table>
                               SCHEDULE 7.20 - 1
<PAGE>

<Table>
<S>        <C>      <C>  <C>       <C>          <C>  <C>       <C>       <C>        <C>      <C>
-------------------------------------------------------------------------------------------------
  90674    09/29/05  B    53,308    NG(1,0)     SWP  06/26/0606/28/06    07/06/06   10.710   USD
-------------------------------------------------------------------------------------------------
  90674    09/29/05  B    53,308    NG(1,0)     SWP  07/25/0607/27/06    08/03/06   10.750   USD
-------------------------------------------------------------------------------------------------
  90674    09/29/05  B    51,588    NG(1,0)     SWP  08/25/0608/29/06    09/05/06   10.720   USD
-------------------------------------------------------------------------------------------------
  90674    09/29/05  B    53,308    NG(1,0)     SWP  09/25/0609/27/06    10/04/06   10.750   USD
-------------------------------------------------------------------------------------------------
  90674    09/29/05  B    51,588    NG(1,0)     SWP  10/25/0610/27/06    11/03/06   11.170   USD
-------------------------------------------------------------------------------------------------
  90674    09/29/05  B    53,308    NG(1,0)     SWP  11/22/0611/28/06    12/05/06   11.560   USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
  90675    09/29/05  B    48,326    NG(1,0)     SWP  12/22/06  12/27/06  01/04/07   11.830   USD
-------------------------------------------------------------------------------------------------
  90675    09/29/05  B    43,649    NG(1,0)     SWP  01/25/07  01/29/07  02/05/07   11.740   USD
-------------------------------------------------------------------------------------------------
  90675    09/29/05  B    48,326    NG(1,0)     SWP  02/22/07  02/26/07  03/05/07   11.440   USD
-------------------------------------------------------------------------------------------------
  90675    09/29/05  B    46,767    NG(1,0)     SWP  03/26/07  03/28/07  04/04/07    9.390   USD
-------------------------------------------------------------------------------------------------
  90675    09/29/05  B    48,326    NG(1,0)     SWP  04/24/07  04/26/07  05/03/07    9.040   USD
-------------------------------------------------------------------------------------------------
  90675    09/29/05  B    46,767    NG(1,0)     SWP  05/24/07  05/29/07  06/05/07    9.080   USD
-------------------------------------------------------------------------------------------------
  90675    09/29/05  B    48,326    NG(1,0)     SWP  06/25/07  06/27/07  07/05/07    9.120   USD
-------------------------------------------------------------------------------------------------
  90675    09/29/05  B    48,326    NG(1,0)     SWP  07/25/07  07/27/07  08/03/07    9.160   USD
-------------------------------------------------------------------------------------------------
  90675    09/29/05  B    46,767    NG(1,0)     SWP  08/27/07  08/29/07  09/06/07    9.130   USD
-------------------------------------------------------------------------------------------------
  90675    09/29/05  B    48,326    NG(1,0)     SWP  09/24/07  09/26/07  10/03/07    9.170   USD
-------------------------------------------------------------------------------------------------
  90675    09/29/05  B    46,767    NG(1,0)     SWP  10/25/07  10/29/07  11/05/07    9.590   USD
-------------------------------------------------------------------------------------------------
  90675    09/29/05  B    48,326    NG(1,0)     SWP  11/26/07  11/28/07  12/05/07   10.010   USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
  95193    12/02/05  B    44,507    NG(1,0)     SWP  12/27/07  12/27/07  01/04/08   10.580   USD
-------------------------------------------------------------------------------------------------
  95193    12/02/05  B    40,200    NG(1,0)     SWP  01/29/08  01/29/08  02/05/08   10.510   USD
-------------------------------------------------------------------------------------------------
  95193    12/02/05  B    44,507    NG(1,0)     SWP  02/27/08  02/27/08  03/05/08   10.190   USD
-------------------------------------------------------------------------------------------------
  95193    12/02/05  B    43,072    NG(1,0)     SWP  03/27/08  03/27/08  04/03/08    8.170   USD
-------------------------------------------------------------------------------------------------
  95193    12/02/05  B    44,507    NG(1,0)     SWP  04/28/08  04/28/08  05/05/08    7.980   USD
-------------------------------------------------------------------------------------------------
  95193    12/02/05  B    43,072    NG(1,0)     SWP  05/28/08  05/28/08  06/04/08    8.028   USD
-------------------------------------------------------------------------------------------------
  95193    12/02/05  B    44,507    NG(1,0)     SWP  06/26/08  06/26/08  07/03/08    8.071   USD
-------------------------------------------------------------------------------------------------
  95193    12/02/05  B    44,507    NG(1,0)     SWP  07/29/08  07/29/08  08/05/08    8.106   USD
-------------------------------------------------------------------------------------------------
  95193    12/02/05  B    43,072    NG(1,0)     SWP  08/27/08  08/27/08  09/03/08    8.098   USD
-------------------------------------------------------------------------------------------------
  95193    12/02/05  B    44,507    NG(1,0)     SWP  09/26/08  09/26/08  10/03/08    8.145   USD
-------------------------------------------------------------------------------------------------
  95193    12/02/05  B    43,072    NG(1,0)     SWP  10/29/08  10/29/08  11/05/08    8.625   USD
-------------------------------------------------------------------------------------------------
  95193    12/02/05  B    44,507    NG(1,0)     SWP  11/24/08  11/24/08  12/01/08    9.100   USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
  98129    01/13/06  B    41,757    NG(1,0)     SWP  12/24/08  12/29/08  01/05/09   10.172   USD
-------------------------------------------------------------------------------------------------
  98129    01/13/06  B    37,716    NG(1,0)     SWP  01/26/09  01/28/09  02/04/09   10.162   USD
-------------------------------------------------------------------------------------------------
  98129    01/13/06  B    41,757    NG(1,0)     SWP  02/23/09  02/25/09  03/04/09    9.952   USD
-------------------------------------------------------------------------------------------------
  98129    01/13/06  B    40,410    NG(1,0)     SWP  03/25/09  03/27/09  04/03/09    8.152   USD
-------------------------------------------------------------------------------------------------
  98129    01/13/06  B    41,757    NG(1,0)     SWP  04/24/09  04/28/09  05/05/09    7.947   USD
-------------------------------------------------------------------------------------------------
  98129    01/13/06  B    40,410    NG(1,0)     SWP  05/22/09  05/27/09  06/03/09    8.007   USD
-------------------------------------------------------------------------------------------------
  98129    01/13/06  B    41,757    NG(1,0)     SWP  06/24/09  06/26/09  07/03/09    8.062   USD
-------------------------------------------------------------------------------------------------
  98129    01/13/06  B    41,757    NG(1,0)     SWP  07/27/09  07/29/09  08/05/09    8.107   USD
-------------------------------------------------------------------------------------------------
  98129    01/13/06  B    40,410    NG(1,0)     SWP  08/25/09  08/27/09  09/03/09    8.122   USD
-------------------------------------------------------------------------------------------------
  98129    01/13/06  B    41,757    NG(1,0)     SWP  09/24/09  09/28/09  10/05/09    8.172   USD
-------------------------------------------------------------------------------------------------
  98129    01/13/06  B    40,410    NG(1,0)     SWP  10/26/09  10/28/09  11/04/09    8.737   USD
-------------------------------------------------------------------------------------------------
  98129    01/13/06  B    41,757    NG(1,0)     SWP  11/20/09  11/24/09  12/01/09    9.292   USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
  98130    01/13/06  B    39,060    NG(1,0)     SWP  12/24/09  12/29/09  01/05/10    9.729   USD
-------------------------------------------------------------------------------------------------
  98130    01/13/06  B    35,280    NG(1,0)     SWP  01/25/10  01/27/10  02/03/10    9.729   USD
-------------------------------------------------------------------------------------------------
  98130    01/13/06  B    39,060    NG(1,0)     SWP  02/22/10  02/24/10  03/03/10    9.509   USD
-------------------------------------------------------------------------------------------------
</Table>

                               SCHEDULE 7.20 - 2
                                   CREDIT AGREEMENT
<PAGE>

<Table>
<S>        <C>      <C>  <C>       <C>          <C>  <C>       <C>       <C>        <C>      <C>
-------------------------------------------------------------------------------------------------
  98130    01/13/06  B    37,800    NG(1,0)     SWP  03/25/10  03/29/10  04/05/10    7.799   USD
-------------------------------------------------------------------------------------------------
  98130    01/13/06  B    39,060    NG(1,0)     SWP  04/26/10  04/28/10  05/05/10    7.609   USD
-------------------------------------------------------------------------------------------------
  98130    01/13/06  B    37,800    NG(1,0)     SWP  05/24/10  05/26/10  06/02/10    7.649   USD
-------------------------------------------------------------------------------------------------
  98130    01/13/06  B    39,060    NG(1,0)     SWP  06/24/10  06/28/10  07/05/10    7.694   USD
-------------------------------------------------------------------------------------------------
  98130    01/13/06  B    39,060    NG(1,0)     SWP  07/26/10  07/28/10  08/04/10    7.739   USD
-------------------------------------------------------------------------------------------------
  98130    01/13/06  B    37,800    NG(1,0)     SWP  08/25/10  08/27/10  09/03/10    7.736   USD
-------------------------------------------------------------------------------------------------
  98130    01/13/06  B    39,060    NG(1,0)     SWP  09/24/10  09/28/10  10/05/10    7.786   USD
-------------------------------------------------------------------------------------------------
  98130    01/13/06  B    37,800    NG(1,0)     SWP  10/25/10  10/27/10  11/03/10    8.341   USD
-------------------------------------------------------------------------------------------------
  98130    01/13/06  B    39,060    NG(1,0)     SWP  11/22/10  11/24/10  12/01/10    8.881   USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
  98135    01/13/06  B    17,515    WTI(1,0)    SWP  01/01/09  01/31/09  02/06/09   63.220   USD
-------------------------------------------------------------------------------------------------
  98135    01/13/06  B    15,820    WTI(1,0)    SWP  02/01/09  02/28/09  03/06/09   63.220   USD
-------------------------------------------------------------------------------------------------
  98135    01/13/06  B    17,515    WTI(1,0)    SWP  03/01/09  03/31/09  04/07/09   63.220   USD
-------------------------------------------------------------------------------------------------
  98135    01/13/06  B    16,950    WTI(1,0)    SWP  04/01/09  04/30/09  05/07/09   63.220   USD
-------------------------------------------------------------------------------------------------
  98135    01/13/06  B    17,515    WTI(1,0)    SWP  05/01/09  05/31/09  06/05/09   63.220   USD
-------------------------------------------------------------------------------------------------
  98135    01/13/06  B    16,950    WTI(1,0)    SWP  06/01/09  06/30/09  07/07/09   63.220   USD
-------------------------------------------------------------------------------------------------
  98135    01/13/06  B    17,515    WTI(1,0)    SWP  07/01/09  07/31/09  08/07/09   63.220   USD
-------------------------------------------------------------------------------------------------
  98135    01/13/06  B    17,515    WTI(1,0)    SWP  08/01/09  08/31/09  09/07/09   63.220   USD
-------------------------------------------------------------------------------------------------
  98135    01/13/06  B    16,950    WTI(1,0)    SWP  09/01/09  09/30/09  10/07/09   63.220   USD
-------------------------------------------------------------------------------------------------
  98135    01/13/06  B    17,515    WTI(1,0)    SWP  10/01/09  10/31/09  11/06/09   63.220   USD
-------------------------------------------------------------------------------------------------
  98135    01/13/06  B    16,950    WTI(1,0)    SWP  11/01/09  11/30/09  12/07/09   63.220   USD
-------------------------------------------------------------------------------------------------
  98135    01/13/06  B    17,515    WTI(1,0)    SWP  12/01/09  12/31/09  01/07/10   63.220   USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
  98136    01/13/06  B    16,523    WTI(1,0)    SWP  01/01/10  01/31/10  02/05/10   61.900   USD
-------------------------------------------------------------------------------------------------
  98136    01/13/06  B    14,924    WTI(1,0)    SWP  02/01/10  02/28/10  03/05/10   61.900   USD
-------------------------------------------------------------------------------------------------
  98136    01/13/06  B    16,523    WTI(1,0)    SWP  03/01/10  03/31/10  04/07/10   61.900   USD
-------------------------------------------------------------------------------------------------
  98136    01/13/06  B    15,990    WTI(1,0)    SWP  04/01/10  04/30/10  05/07/10   61.900   USD
-------------------------------------------------------------------------------------------------
  98136    01/13/06  B    16,523    WTI(1,0)    SWP  05/01/10  05/31/10  06/07/10   61.900   USD
-------------------------------------------------------------------------------------------------
  98136    01/13/06  B    15,990    WTI(1,0)    SWP  06/01/10  06/30/10  07/07/10   61.900   USD
-------------------------------------------------------------------------------------------------
  98136    01/13/06  B    16,523    WTI(1,0)    SWP  07/01/10  07/31/10  08/06/10   61.900   USD
-------------------------------------------------------------------------------------------------
  98136    01/13/06  B    16,523    WTI(1,0)    SWP  08/01/10  08/31/10  09/07/10   61.900   USD
-------------------------------------------------------------------------------------------------
  98136    01/13/06  B    15,990    WTI(1,0)    SWP  09/01/10  09/30/10  10/07/10   61.900   USD
-------------------------------------------------------------------------------------------------
  98136    01/13/06  B    16,523    WTI(1,0)    SWP  10/01/10  10/31/10  11/05/10   61.900   USD
-------------------------------------------------------------------------------------------------
  98136    01/13/06  B    15,990    WTI(1,0)    SWP  11/01/10  11/30/10  12/07/10   61.900   USD
-------------------------------------------------------------------------------------------------
  98136    01/13/06  B    16,523    WTI(1,0)    SWP  12/01/10  12/31/10  01/07/11   61.900   USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
  98817    01/18/06  B    3,285     WTI(1,0)    SWP  03/01/06  03/31/06  04/07/06   68.000   USD
-------------------------------------------------------------------------------------------------
  98817    01/18/06  B    3,285     WTI(1,0)    SWP  04/01/06  04/30/06  05/05/06   68.000   USD
-------------------------------------------------------------------------------------------------
  98817    01/18/06  B    3,285     WTI(1,0)    SWP  05/01/06  05/31/06  06/07/06   68.000   USD
-------------------------------------------------------------------------------------------------
  98817    01/18/06  B    3,285     WTI(1,0)    SWP  06/01/06  06/30/06  07/10/06   68.000   USD
-------------------------------------------------------------------------------------------------
  98817    01/18/06  B    3,285     WTI(1,0)    SWP  07/01/06  07/31/06  08/07/06   68.000   USD
-------------------------------------------------------------------------------------------------
  98817    01/18/06  B    3,285     WTI(1,0)    SWP  08/01/06  08/31/06  09/08/06   68.000   USD
-------------------------------------------------------------------------------------------------
  98817    01/18/06  B    3,285     WTI(1,0)    SWP  09/01/06  09/30/06  10/06/06   68.000   USD
-------------------------------------------------------------------------------------------------
  98817    01/18/06  B    3,285     WTI(1,0)    SWP  10/01/06  10/31/06  11/07/06   68.000   USD
-------------------------------------------------------------------------------------------------
  98817    01/18/06  B    3,285     WTI(1,0)    SWP  11/01/06  11/30/06  12/07/06   68.000   USD
-------------------------------------------------------------------------------------------------
  98817    01/18/06  B    3,285     WTI(1,0)    SWP  12/01/06  12/31/06  01/08/07   68.000   USD
-------------------------------------------------------------------------------------------------
</Table>

                               SCHEDULE 7.20 - 3
                                   CREDIT AGREEMENT
<PAGE>

ANNEX 1

Brothers Production Properties, Ltd.
<Table>
<Caption>
-----------------------------------------------------------------------------------------------------
  TRADE NO.  TRADE DT B/S   LIVE QTY    COMMODITY    TRN. PRICING  PRICING SETT./MATUR.TRADE   CURR.
                                                     GRP  START DT END DT      DT      PRICE
-----------------------------------------------------------------------------------------------------
<S>          <C>      <C>   <C>         <C>          <C>  <C>      <C>     <C>        <C>      <C>
    83015    05/25/05 B     15,000      WTI(1,0)     SWP  02/01/06  02/28/06  03/07/06  59.380   USD
-----------------------------------------------------------------------------------------------------
    83015    05/25/05 B     15,000      WTI(1,0)     SWP  03/01/06  03/31/06  04/07/06  59.380   USD
-----------------------------------------------------------------------------------------------------
    83015    05/25/05 B     15,000      WTI(1,0)     SWP  04/01/06  04/30/06  05/05/06  59.380   USD
-----------------------------------------------------------------------------------------------------
    83015    05/25/05 B     15,000      WTI(1,0)     SWP  05/01/06  05/31/06  06/07/06  59.380   USD
-----------------------------------------------------------------------------------------------------
    83015    05/25/05 B     15,000      WTI(1,0)     SWP  06/01/06  06/30/06  07/10/06  59.380   USD
-----------------------------------------------------------------------------------------------------
    83015    05/25/05 B     15,000      WTI(1,0)     SWP  07/01/06  07/31/06  08/07/06  59.380   USD
-----------------------------------------------------------------------------------------------------
    83015    05/25/05 B     15,000      WTI(1,0)     SWP  08/01/06  08/31/06  09/07/06  59.380   USD
-----------------------------------------------------------------------------------------------------
    83015    05/25/05 B     15,000      WTI(1,0)     SWP  09/01/06  09/30/06  10/06/06  59.380   USD
-----------------------------------------------------------------------------------------------------
    83015    05/25/05 B     15,000      WTI(1,0)     SWP  10/01/06  10/31/06  11/07/06  59.380   USD
-----------------------------------------------------------------------------------------------------
    83015    05/25/05 B     15,000      WTI(1,0)     SWP  11/01/06  11/30/06  12/07/06  59.380   USD
-----------------------------------------------------------------------------------------------------
    83015    05/25/05 B     15,000      WTI(1,0)     SWP  12/01/06  12/31/06  01/08/07  59.380   USD
-----------------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------------
    85499    07/05/05 B     13,000      WTI(1,0)     SWP  01/01/07  01/31/07  02/07/07  60.000   USD
-----------------------------------------------------------------------------------------------------
    85499    07/05/05 B     13,000      WTI(1,0)     SWP  02/01/07  02/28/07  03/07/07  60.000   USD
-----------------------------------------------------------------------------------------------------
    85499    07/05/05 B     13,000      WTI(1,0)     SWP  03/01/07  03/31/07  04/06/07  60.000   USD
-----------------------------------------------------------------------------------------------------
    85499    07/05/05 B     13,000      WTI(1,0)     SWP  04/01/07  04/30/07  05/07/07  60.000   USD
-----------------------------------------------------------------------------------------------------
    85499    07/05/05 B     13,000      WTI(1,0)     SWP  05/01/07  05/31/07  06/07/07  60.000   USD
-----------------------------------------------------------------------------------------------------
    85499    07/05/05 B     13,000      WTI(1,0)     SWP  06/01/07  06/30/07  07/09/07  60.000   USD
-----------------------------------------------------------------------------------------------------
    85499    07/05/05 B     13,000      WTI(1,0)     SWP  07/01/07  07/31/07  08/07/07  60.000   USD
-----------------------------------------------------------------------------------------------------
    85499    07/05/05 B     13,000      WTI(1,0)     SWP  08/01/07  08/31/07  09/10/07  60.000   USD
-----------------------------------------------------------------------------------------------------
    85499    07/05/05 B     13,000      WTI(1,0)     SWP  09/01/07  09/30/07  10/05/07  60.000   USD
-----------------------------------------------------------------------------------------------------
    85499    07/05/05 B     13,000      WTI(1,0)     SWP  10/01/07  10/31/07  11/07/07  60.000   USD
-----------------------------------------------------------------------------------------------------
    85499    07/05/05 B     13,000      WTI(1,0)     SWP  11/01/07  11/30/07  12/07/07  60.000   USD
-----------------------------------------------------------------------------------------------------
    85499    07/05/05 B     13,000      WTI(1,0)     SWP  12/01/07  12/31/07  01/08/08  60.000   USD
-----------------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------------
    86934    08/01/05 B     12,075      WTI(1,0)     SWP  01/01/08  01/31/08  02/07/08  60.500   USD
-----------------------------------------------------------------------------------------------------
    86934    08/01/05 B     12,075      WTI(1,0)     SWP  02/01/08  02/29/08  03/07/08  60.500   USD
-----------------------------------------------------------------------------------------------------
    86934    08/01/05 B     12,075      WTI(1,0)     SWP  03/01/08  03/31/08  04/07/08  60.500   USD
-----------------------------------------------------------------------------------------------------
    86934    08/01/05 B     12,075      WTI(1,0)     SWP  04/01/08  04/30/08  05/07/08  60.500   USD
-----------------------------------------------------------------------------------------------------
    86934    08/01/05 B     12,075      WTI(1,0)     SWP  05/01/08  05/31/08  06/06/08  60.500   USD
-----------------------------------------------------------------------------------------------------
    86934    08/01/05 B     12,075      WTI(1,0)     SWP  06/01/08  06/30/08  07/08/08  60.500   USD
-----------------------------------------------------------------------------------------------------
    86934    08/01/05 B     12,075      WTI(1,0)     SWP  07/01/08  07/31/08  08/07/08  60.500   USD
-----------------------------------------------------------------------------------------------------
    86934    08/01/05 B     12,075      WTI(1,0)     SWP  08/01/08  08/31/08  09/05/08  60.500   USD
-----------------------------------------------------------------------------------------------------
    86934    08/01/05 B     12,075      WTI(1,0)     SWP  09/01/08  09/30/08  10/07/08  60.500   USD
-----------------------------------------------------------------------------------------------------
    86934    08/01/05 B     12,075      WTI(1,0)     SWP  10/01/08  10/31/08  11/07/08  60.500   USD
-----------------------------------------------------------------------------------------------------
    86934    08/01/05 B     12,075      WTI(1,0)     SWP  11/01/08  11/30/08  12/05/08  60.500   USD
-----------------------------------------------------------------------------------------------------
    86934    08/01/05 B     12,075      WTI(1,0)     SWP  12/01/08  12/31/08  01/07/09  60.500   USD
-----------------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------------
    90678    09/29/05 B     37,568       NG(1,0)     SWP  02/22/06  02/24/06  03/03/06  14.120   USD
-----------------------------------------------------------------------------------------------------
    90678    09/29/05 B     36,356       NG(1,0)     SWP  03/27/06  03/29/06  04/05/06  11.200   USD
-----------------------------------------------------------------------------------------------------
    90678    09/29/05 B     37,568       NG(1,0)     SWP  04/24/06  04/26/06  05/03/06  10.670   USD
-----------------------------------------------------------------------------------------------------
    90678    09/29/05 B     36,356       NG(1,0)     SWP  05/24/06  05/26/06  06/02/06  10.680   USD
-----------------------------------------------------------------------------------------------------
    90678    09/29/05 B     37,568       NG(1,0)     SWP  06/26/06  06/28/06  07/06/06  10.710   USD
-----------------------------------------------------------------------------------------------------
    90678    09/29/05 B     37,568       NG(1,0)     SWP  07/25/06  07/27/06  08/03/06  10.750   USD
-----------------------------------------------------------------------------------------------------
</Table>

                               SCHEDULE 7.20 - 4
                                   CREDIT AGREEMENT
<PAGE>

<Table>
<S>          <C>      <C>   <C>         <C>          <C>  <C>      <C>     <C>        <C>      <C>
-----------------------------------------------------------------------------------------------------
    90678    09/29/05 B     36,356       NG(1,0)     SWP  08/25/06  08/29/06  09/05/06  10.720   USD
-----------------------------------------------------------------------------------------------------
    90678    09/29/05 B     37,568       NG(1,0)     SWP  09/25/06  09/27/06  10/04/06  10.750   USD
-----------------------------------------------------------------------------------------------------
    90678    09/29/05 B     36,356       NG(1,0)     SWP  10/25/06  10/27/06  11/03/06  11.170   USD
-----------------------------------------------------------------------------------------------------
    90678    09/29/05 B     37,568       NG(1,0)     SWP  11/22/06  11/28/06  12/05/06  11.560   USD
-----------------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------------
    90679    09/29/05 B     34,057       NG(1,0)     SWP  12/22/06  12/27/06  01/04/07  11.830   USD
-----------------------------------------------------------------------------------------------------
    90679    09/29/05 B     30,761       NG(1,0)     SWP  01/25/07  01/29/07  02/05/07  11.740   USD
-----------------------------------------------------------------------------------------------------
    90679    09/29/05 B     34,057       NG(1,0)     SWP  02/22/07  02/26/07  03/05/07  11.440   USD
-----------------------------------------------------------------------------------------------------
    90679    09/29/05 B     32,958       NG(1,0)     SWP  03/26/07  03/28/07  04/04/07  9.390    USD
-----------------------------------------------------------------------------------------------------
    90679    09/29/05 B     34,057       NG(1,0)     SWP  04/24/07  04/26/07  05/03/07  9.040    USD
-----------------------------------------------------------------------------------------------------
    90679    09/29/05 B     32,958       NG(1,0)     SWP  05/24/07  05/29/07  06/05/07  9.080    USD
-----------------------------------------------------------------------------------------------------
    90679    09/29/05 B     34,057       NG(1,0)     SWP  06/25/07  06/27/07  07/05/07  9.120    USD
-----------------------------------------------------------------------------------------------------
    90679    09/29/05 B     34,057       NG(1,0)     SWP  07/25/07  07/27/07  08/03/07  9.160    USD
-----------------------------------------------------------------------------------------------------
    90679    09/29/05 B     32,958       NG(1,0)     SWP  08/27/07  08/29/07  09/06/07  9.130    USD
-----------------------------------------------------------------------------------------------------
    90679    09/29/05 B     34,057       NG(1,0)     SWP  09/24/07  09/26/07  10/03/07  9.170    USD
-----------------------------------------------------------------------------------------------------
    90679    09/29/05 B     32,958       NG(1,0)     SWP  10/25/07  10/29/07  11/05/07  9.590    USD
-----------------------------------------------------------------------------------------------------
    90679    09/29/05 B     34,057       NG(1,0)     SWP  11/26/07  11/28/07  12/05/07  10.010   USD
-----------------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------------
    95163    12/02/05 B     31,366       NG(1,0)     SWP  12/27/07  12/27/07  01/04/08  10.580   USD
-----------------------------------------------------------------------------------------------------
    95163    12/02/05 B     28,331       NG(1,0)     SWP  01/29/08  01/29/08  02/05/08  10.510   USD
-----------------------------------------------------------------------------------------------------
    95163    12/02/05 B     31,366       NG(1,0)     SWP  02/27/08  02/27/08  03/05/08  10.190   USD
-----------------------------------------------------------------------------------------------------
    95163    12/02/05 B     30,354       NG(1,0)     SWP  03/27/08  03/27/08  04/03/08  8.170    USD
-----------------------------------------------------------------------------------------------------
    95163    12/02/05 B     31,366       NG(1,0)     SWP  04/28/08  04/28/08  05/05/08  7.980    USD
-----------------------------------------------------------------------------------------------------
    95163    12/02/05 B     30,354       NG(1,0)     SWP  05/28/08  05/28/08  06/04/08  8.028    USD
-----------------------------------------------------------------------------------------------------
    95163    12/02/05 B     31,366       NG(1,0)     SWP  06/26/08  06/26/08  07/03/08  8.071    USD
-----------------------------------------------------------------------------------------------------
    95163    12/02/05 B     31,366       NG(1,0)     SWP  07/29/08  07/29/08  08/05/08  8.106    USD
-----------------------------------------------------------------------------------------------------
    95163    12/02/05 B     30,354       NG(1,0)     SWP  08/27/08  08/27/08  09/03/08  8.098    USD
-----------------------------------------------------------------------------------------------------
    95163    12/02/05 B     31,366       NG(1,0)     SWP  09/26/08  09/26/08  10/03/08  8.145    USD
-----------------------------------------------------------------------------------------------------
    95163    12/02/05 B     30,354       NG(1,0)     SWP  10/29/08  10/29/08  11/05/08  8.625    USD
-----------------------------------------------------------------------------------------------------
    95163    12/02/05 B     31,366       NG(1,0)     SWP  11/24/08  11/24/08  12/01/08  9.100    USD
-----------------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------------
    98133    01/13/06 B     12,338      WTI(1,0)     SWP  01/01/09  01/31/09  02/06/09  63.220   USD
-----------------------------------------------------------------------------------------------------
    98133    01/13/06 B     11,144      WTI(1,0)     SWP  02/01/09  02/28/09  03/06/09  63.220   USD
-----------------------------------------------------------------------------------------------------
    98133    01/13/06 B     12,338      WTI(1,0)     SWP  03/01/09  03/31/09  04/07/09  63.220   USD
-----------------------------------------------------------------------------------------------------
    98133    01/13/06 B     11,940      WTI(1,0)     SWP  04/01/09  04/30/09  05/07/09  63.220   USD
-----------------------------------------------------------------------------------------------------
    98133    01/13/06 B     12,338      WTI(1,0)     SWP  05/01/09  05/31/09  06/05/09  63.220   USD
-----------------------------------------------------------------------------------------------------
    98133    01/13/06 B     11,940      WTI(1,0)     SWP  06/01/09  06/30/09  07/07/09  63.220   USD
-----------------------------------------------------------------------------------------------------
    98133    01/13/06 B     12,338      WTI(1,0)     SWP  07/01/09  07/31/09  08/07/09  63.220   USD
-----------------------------------------------------------------------------------------------------
    98133    01/13/06 B     12,338      WTI(1,0)     SWP  08/01/09  08/31/09  09/07/09  63.220   USD
-----------------------------------------------------------------------------------------------------
    98133    01/13/06 B     11,940      WTI(1,0)     SWP  09/01/09  09/30/09  10/07/09  63.220   USD
-----------------------------------------------------------------------------------------------------
    98133    01/13/06 B     12,338      WTI(1,0)     SWP  10/01/09  10/31/09  11/06/09  63.220   USD
-----------------------------------------------------------------------------------------------------
    98133    01/13/06 B     11,940      WTI(1,0)     SWP  11/01/09  11/30/09  12/07/09  63.220   USD
-----------------------------------------------------------------------------------------------------
    98133    01/13/06 B     12,338      WTI(1,0)     SWP  12/01/09  12/31/09  01/07/10  63.220   USD
-----------------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------------
    98134    01/13/06 B     11,625      WTI(1,0)     SWP  01/01/10  01/31/10  02/05/10  61.900   USD
-----------------------------------------------------------------------------------------------------
    98134    01/13/06 B     10,500      WTI(1,0)     SWP  02/01/10  02/28/10  03/05/10  61.900   USD
-----------------------------------------------------------------------------------------------------
    98134    01/13/06 B     11,625      WTI(1,0)     SWP  03/01/10  03/31/10  04/07/10  61.900   USD
-----------------------------------------------------------------------------------------------------
    98134    01/13/06 B     11,250      WTI(1,0)     SWP  04/01/10  04/30/10  05/07/10  61.900   USD
-----------------------------------------------------------------------------------------------------
    98134    01/13/06 B     11,625      WTI(1,0)     SWP  05/01/10  05/31/10  06/07/10  61.900   USD
-----------------------------------------------------------------------------------------------------
</Table>
                               SCHEDULE 7.20 - 5
                                   CREDIT AGREEMENT
<PAGE>

<Table>
<S>          <C>      <C>   <C>         <C>          <C>  <C>      <C>     <C>        <C>      <C>
-----------------------------------------------------------------------------------------------------
    98134    01/13/06 B     11,250      WTI(1,0)     SWP  06/01/10  06/30/10  07/07/10  61.900   USD
-----------------------------------------------------------------------------------------------------
    98134    01/13/06 B     11,625      WTI(1,0)     SWP  07/01/10  07/31/10  08/06/10  61.900   USD
-----------------------------------------------------------------------------------------------------
    98134    01/13/06 B     11,625      WTI(1,0)     SWP  08/01/10  08/31/10  09/07/10  61.900   USD
-----------------------------------------------------------------------------------------------------
    98134    01/13/06 B     11,250      WTI(1,0)     SWP  09/01/10  09/30/10  10/07/10  61.900   USD
-----------------------------------------------------------------------------------------------------
    98134    01/13/06 B     11,625      WTI(1,0)     SWP  10/01/10  10/31/10  11/05/10  61.900   USD
-----------------------------------------------------------------------------------------------------
    98134    01/13/06 B     11,250      WTI(1,0)     SWP  11/01/10  11/30/10  12/07/10  61.900   USD
-----------------------------------------------------------------------------------------------------
    98134    01/13/06 B     11,625      WTI(1,0)     SWP  12/01/10  12/31/10  01/07/11  61.900   USD
-----------------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------------
    98138    01/13/06 B     29,419       NG(1,0)     SWP  12/24/08  12/29/08  01/05/09  10.172   USD
-----------------------------------------------------------------------------------------------------
    98138    01/13/06 B     26,572       NG(1,0)     SWP  01/26/09  01/28/09  02/04/09  10.162   USD
-----------------------------------------------------------------------------------------------------
    98138    01/13/06 B     29,419       NG(1,0)     SWP  02/23/09  02/25/09  03/04/09  9.952    USD
-----------------------------------------------------------------------------------------------------
    98138    01/13/06 B     28,470       NG(1,0)     SWP  03/25/09  03/27/09  04/03/09  8.152    USD
-----------------------------------------------------------------------------------------------------
    98138    01/13/06 B     29,419       NG(1,0)     SWP  04/24/09  04/28/09  05/05/09  7.947    USD
-----------------------------------------------------------------------------------------------------
    98138    01/13/06 B     28,470       NG(1,0)     SWP  05/22/09  05/27/09  06/03/09  8.007    USD
-----------------------------------------------------------------------------------------------------
    98138    01/13/06 B     29,419       NG(1,0)     SWP  06/24/09  06/26/09  07/03/09  8.062    USD
-----------------------------------------------------------------------------------------------------
    98138    01/13/06 B     29,419       NG(1,0)     SWP  07/27/09  07/29/09  08/05/09  8.107    USD
-----------------------------------------------------------------------------------------------------
    98138    01/13/06 B     28,470       NG(1,0)     SWP  08/25/09  08/27/09  09/03/09  8.122    USD
-----------------------------------------------------------------------------------------------------
    98138    01/13/06 B     29,419       NG(1,0)     SWP  09/24/09  09/28/09  10/05/09  8.172    USD
-----------------------------------------------------------------------------------------------------
    98138    01/13/06 B     28,470       NG(1,0)     SWP  10/26/09  10/28/09  11/04/09  8.737    USD
-----------------------------------------------------------------------------------------------------
    98138    01/13/06 B     29,419       NG(1,0)     SWP  11/20/09  11/24/09  12/01/09  9.292    USD
-----------------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------------
    98139    01/13/06 B     27,528       NG(1,0)     SWP  12/24/09  12/29/09  01/05/10  9.729    USD
-----------------------------------------------------------------------------------------------------
    98139    01/13/06 B     24,864       NG(1,0)     SWP  01/25/10  01/27/10  02/03/10  9.729    USD
-----------------------------------------------------------------------------------------------------
    98139    01/13/06 B     27,528       NG(1,0)     SWP  02/22/10  02/24/10  03/03/10  9.509    USD
-----------------------------------------------------------------------------------------------------
    98139    01/13/06 B     26,640       NG(1,0)     SWP  03/25/10  03/29/10  04/05/10  7.799    USD
-----------------------------------------------------------------------------------------------------
    98139    01/13/06 B     27,528       NG(1,0)     SWP  04/26/10  04/28/10  05/05/10  7.609    USD
-----------------------------------------------------------------------------------------------------
    98139    01/13/06 B     26,640       NG(1,0)     SWP  05/24/10  05/26/10  06/02/10  7.649    USD
-----------------------------------------------------------------------------------------------------
    98139    01/13/06 B     27,528       NG(1,0)     SWP  06/24/10  06/28/10  07/05/10  7.694    USD
-----------------------------------------------------------------------------------------------------
    98139    01/13/06 B     27,528       NG(1,0)     SWP  07/26/10  07/28/10  08/04/10  7.739    USD
-----------------------------------------------------------------------------------------------------
    98139    01/13/06 B     26,640       NG(1,0)     SWP  08/25/10  08/27/10  09/03/10  7.736    USD
-----------------------------------------------------------------------------------------------------
    98139    01/13/06 B     27,528       NG(1,0)     SWP  09/24/10  09/28/10  10/05/10  7.786    USD
-----------------------------------------------------------------------------------------------------
    98139    01/13/06 B     26,640       NG(1,0)     SWP  10/25/10  10/27/10  11/03/10  8.341    USD
-----------------------------------------------------------------------------------------------------
    98139    01/13/06 B     27,528       NG(1,0)     SWP  11/22/10  11/24/10  12/01/10  8.881    USD
-----------------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------------
    98382    01/18/06 B      2,315      WTI(1,0)     SWP  03/01/06  03/31/06  04/07/06  68.000   USD
-----------------------------------------------------------------------------------------------------
    98382    01/18/06 B      2,315      WTI(1,0)     SWP  04/01/06  04/30/06  05/05/06  68.000   USD
-----------------------------------------------------------------------------------------------------
    98382    01/18/06 B      2,315      WTI(1,0)     SWP  05/01/06  05/31/06  06/07/06  68.000   USD
-----------------------------------------------------------------------------------------------------
    98382    01/18/06 B      2,315      WTI(1,0)     SWP  06/01/06  06/30/06  07/10/06  68.000   USD
-----------------------------------------------------------------------------------------------------
    98382    01/18/06 B      2,315      WTI(1,0)     SWP  07/01/06  07/31/06  08/07/06  68.000   USD
-----------------------------------------------------------------------------------------------------
    98382    01/18/06 B      2,315      WTI(1,0)     SWP  08/01/06  08/31/06  09/08/06  68.000   USD
-----------------------------------------------------------------------------------------------------
    98382    01/18/06 B      2,315      WTI(1,0)     SWP  09/01/06  09/30/06  10/06/06  68.000   USD
-----------------------------------------------------------------------------------------------------
    98382    01/18/06 B      2,315      WTI(1,0)     SWP  10/01/06  10/31/06  11/07/06  68.000   USD
-----------------------------------------------------------------------------------------------------
    98382    01/18/06 B      2,315      WTI(1,0)     SWP  11/01/06  11/30/06  12/07/06  68.000   USD
-----------------------------------------------------------------------------------------------------
    98382    01/18/06 B      2,315      WTI(1,0)     SWP  12/01/06  12/31/06  01/08/07  68.000   USD
-----------------------------------------------------------------------------------------------------
</Table>

                               SCHEDULE 7.20 - 6
                                   CREDIT AGREEMENT

<PAGE>

ANNEX 1

MBN Properties, LP
<Table>
<Caption>
-------------------------------------------------------------------------------------------------
  TRADE NO.  TRADE DT B/S   LIVE QTY  COMMODITY  TRN. PRICING  PRICING SETT./MATUR. TRADE  CURR.
                                                 GRP  START DT END DT      DT       PRICE
-------------------------------------------------------------------------------------------------
<S>         <C>       <C>   <C>       <C>        <C>  <C>      <C>     <C>         <C>     <C>
    89712    09/14/05  B    44,838    NG(1,0)    SWP  12/24/07 12/27/07 01/04/08   8.300   USD
-------------------------------------------------------------------------------------------------
    89712    09/14/05  B    41,945    NG(1,0)    SWP  01/25/08 01/29/08 02/05/08   8.300   USD
-------------------------------------------------------------------------------------------------
    89712    09/14/05  B    44,838    NG(1,0)    SWP  02/25/08 02/27/08 03/05/08   8.300   USD
-------------------------------------------------------------------------------------------------
    89712    09/14/05  B    43,392    NG(1,0)    SWP  03/25/08 03/27/08 04/03/08   8.300   USD
-------------------------------------------------------------------------------------------------
    89712    09/14/05  B    44,838    NG(1,0)    SWP  04/24/08 04/28/08 05/05/08   8.300   USD
-------------------------------------------------------------------------------------------------
    89712    09/14/05  B    43,392    NG(1,0)    SWP  05/23/08 05/28/08 06/04/08   8.300   USD
-------------------------------------------------------------------------------------------------
    89712    09/14/05  B    44,838    NG(1,0)    SWP  06/24/08 06/26/08 07/03/08   8.300   USD
-------------------------------------------------------------------------------------------------
    89712    09/14/05  B    44,838    NG(1,0)    SWP  07/25/08 07/29/08 08/05/08   8.300   USD
-------------------------------------------------------------------------------------------------
    89712    09/14/05  B    43,392    NG(1,0)    SWP  08/25/08 08/27/08 09/03/08   8.300   USD
-------------------------------------------------------------------------------------------------
    89712    09/14/05  B    44,838    NG(1,0)    SWP  09/24/08 09/26/08 10/03/08   8.300   USD
-------------------------------------------------------------------------------------------------
    89712    09/14/05  B    43,392    NG(1,0)    SWP  10/27/08 10/29/08 11/05/08   8.300   USD
-------------------------------------------------------------------------------------------------
    89712    09/14/05  B    44,838    NG(1,0)    SWP  11/20/08 11/24/08 12/01/08   8.300   USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
    89713    09/14/05  B    40,623    NG(1,0)    SWP  12/24/08 12/29/08 01/05/09   7.770   USD
-------------------------------------------------------------------------------------------------
    89713    09/14/05  B    36,692    NG(1,0)    SWP  01/26/09 01/28/09 02/04/09   7.770   USD
-------------------------------------------------------------------------------------------------
    89713    09/14/05  B    40,623    NG(1,0)    SWP  02/23/09 02/25/09 03/04/09   7.770   USD
-------------------------------------------------------------------------------------------------
    89713    09/14/05  B    39,313    NG(1,0)    SWP  03/25/09 03/27/09 04/03/09   7.770   USD
-------------------------------------------------------------------------------------------------
    89713    09/14/05  B    40,623    NG(1,0)    SWP  04/24/09 04/28/09 05/05/09   7.770   USD
-------------------------------------------------------------------------------------------------
    89713    09/14/05  B    39,313    NG(1,0)    SWP  05/22/09 05/27/09 06/03/09   7.770   USD
-------------------------------------------------------------------------------------------------
    89713    09/14/05  B    40,623    NG(1,0)    SWP  06/24/09 06/26/09 07/03/09   7.770   USD
-------------------------------------------------------------------------------------------------
    89713    09/14/05  B    40,623    NG(1,0)    SWP  07/27/09 07/29/09 08/05/09   7.770   USD
-------------------------------------------------------------------------------------------------
    89713    09/14/05  B    39,313    NG(1,0)    SWP  08/25/09 08/27/09 09/03/09   7.770   USD
-------------------------------------------------------------------------------------------------
    89713    09/14/05  B    40,623    NG(1,0)    SWP  09/24/09 09/28/09 10/05/09   7.770   USD
-------------------------------------------------------------------------------------------------
    89713    09/14/05  B    39,313    NG(1,0)    SWP  10/26/09 10/28/09 11/04/09   7.770   USD
-------------------------------------------------------------------------------------------------
    89713    09/14/05  B    40,623    NG(1,0)    SWP  11/20/09 11/24/09 12/01/09   7.770   USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
    89714    09/14/05  B    36,934    NG(1,0)    SWP  12/24/09 12/29/09 01/05/10   7.370   USD
-------------------------------------------------------------------------------------------------
    89714    09/14/05  B    33,360    NG(1,0)    SWP  01/25/10 01/27/10 02/03/10   7.370   USD
-------------------------------------------------------------------------------------------------
    89714    09/14/05  B    36,934    NG(1,0)    SWP  02/22/10 02/24/10 03/03/10   7.370   USD
-------------------------------------------------------------------------------------------------
    89714    09/14/05  B    35,743    NG(1,0)    SWP  03/25/10 03/29/10 04/05/10   7.370   USD
-------------------------------------------------------------------------------------------------
    89714    09/14/05  B    36,934    NG(1,0)    SWP  04/26/10 04/28/10 05/05/10   7.370   USD
-------------------------------------------------------------------------------------------------
    89714    09/14/05  B    35,743    NG(1,0)    SWP  05/24/10 05/26/10 06/02/10   7.370   USD
-------------------------------------------------------------------------------------------------
    89714    09/14/05  B    36,934    NG(1,0)    SWP  06/24/10 06/28/10 07/05/10   7.370   USD
-------------------------------------------------------------------------------------------------
    89714    09/14/05  B    36,934    NG(1,0)    SWP  07/26/10 07/28/10 08/04/10   7.370   USD
-------------------------------------------------------------------------------------------------
    89714    09/14/05  B    35,743    NG(1,0)    SWP  08/25/10 08/27/10 09/03/10   7.370   USD
-------------------------------------------------------------------------------------------------
    89714    09/14/05  B    36,934    NG(1,0)    SWP  09/24/10 09/28/10 10/05/10   7.370   USD
-------------------------------------------------------------------------------------------------
    89714    09/14/05  B    35,743    NG(1,0)    SWP  10/25/10 10/27/10 11/03/10   7.370   USD
-------------------------------------------------------------------------------------------------
    89714    09/14/05  B    36,934    NG(1,0)    SWP  11/22/10 11/24/10 12/01/10   7.370   USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
    89734    09/14/05  B    11,859    WTI(1,0)   SWP  02/01/06 02/28/06 03/07/06   66.350  USD
-------------------------------------------------------------------------------------------------
    89734    09/14/05  B    13,048    WTI(1,0)   SWP  03/01/06 03/31/06 04/07/06   66.350  USD
-------------------------------------------------------------------------------------------------
    89734    09/14/05  B    12,549    WTI(1,0)   SWP  04/01/06 04/30/06 05/05/06   66.350  USD
-------------------------------------------------------------------------------------------------
    89734    09/14/05  B    12,868    WTI(1,0)   SWP  05/01/06 05/31/06 06/07/06   66.350  USD
-------------------------------------------------------------------------------------------------
</Table>

                               SCHEDULE 7.20 - 7
                                   CREDIT AGREEMENT

<PAGE>

<Table>
<S>         <C>       <C>   <C>       <C>        <C>  <C>      <C>     <C>         <C>     <C>
-------------------------------------------------------------------------------------------------
    89734    09/14/05  B    12,340    WTI(1,0)   SWP  06/01/06 06/30/06 07/10/06   66.350  USD
-------------------------------------------------------------------------------------------------
    89734    09/14/05  B    12,638    WTI(1,0)   SWP  07/01/06 07/31/06 08/07/06   66.350  USD
-------------------------------------------------------------------------------------------------
    89734    09/14/05  B    12,522    WTI(1,0)   SWP  08/01/06 08/31/06 09/07/06   66.350  USD
-------------------------------------------------------------------------------------------------
    89734    09/14/05  B    12,011    WTI(1,0)   SWP  09/01/06 09/30/06 10/06/06   66.350  USD
-------------------------------------------------------------------------------------------------
    89734    09/14/05  B    12,305    WTI(1,0)   SWP  10/01/06 10/31/06 11/07/06   66.350  USD
-------------------------------------------------------------------------------------------------
    89734    09/14/05  B    11,803    WTI(1,0)   SWP  11/01/06 11/30/06 12/07/06   66.350  USD
-------------------------------------------------------------------------------------------------
    89734    09/14/05  B    12,073    WTI(1,0)   SWP  12/01/06 12/31/06 01/08/07   66.350  USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
    89735    09/14/05  B    11,115    WTI(1,0)   SWP  01/01/07 01/31/07 02/07/07   64.150  USD
-------------------------------------------------------------------------------------------------
    89735    09/14/05  B    11,115    WTI(1,0)   SWP  02/01/07 02/28/07 03/07/07   64.150  USD
-------------------------------------------------------------------------------------------------
    89735    09/14/05  B    11,115    WTI(1,0)   SWP  03/01/07 03/31/07 04/06/07   64.150  USD
-------------------------------------------------------------------------------------------------
    89735    09/14/05  B    11,115    WTI(1,0)   SWP  04/01/07 04/30/07 05/07/07   64.150  USD
-------------------------------------------------------------------------------------------------
    89735    09/14/05  B    11,115    WTI(1,0)   SWP  05/01/07 05/31/07 06/07/07   64.150  USD
-------------------------------------------------------------------------------------------------
    89735    09/14/05  B    11,115    WTI(1,0)   SWP  06/01/07 06/30/07 07/09/07   64.150  USD
-------------------------------------------------------------------------------------------------
    89735    09/14/05  B    11,115    WTI(1,0)   SWP  07/01/07 07/31/07 08/07/07   64.150  USD
-------------------------------------------------------------------------------------------------
    89735    09/14/05  B    11,115    WTI(1,0)   SWP  08/01/07 08/31/07 09/10/07   64.150  USD
-------------------------------------------------------------------------------------------------
    89735    09/14/05  B    11,115    WTI(1,0)   SWP  09/01/07 09/30/07 10/05/07   64.150  USD
-------------------------------------------------------------------------------------------------
    89735    09/14/05  B    11,115    WTI(1,0)   SWP  10/01/07 10/31/07 11/07/07   64.150  USD
-------------------------------------------------------------------------------------------------
    89735    09/14/05  B    11,115    WTI(1,0)   SWP  11/01/07 11/30/07 12/07/07   64.150  USD
-------------------------------------------------------------------------------------------------
    89735    09/14/05  B    11,115    WTI(1,0)   SWP  12/01/07 12/31/07 01/08/08   64.150  USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
    89736    09/14/05  B    9,802     WTI(1,0)   SWP  01/01/08 01/31/08 02/07/08   62.250  USD
-------------------------------------------------------------------------------------------------
    89736    09/14/05  B    9,802     WTI(1,0)   SWP  02/01/08 02/29/08 03/07/08   62.250  USD
-------------------------------------------------------------------------------------------------
    89736    09/14/05  B    9,802     WTI(1,0)   SWP  03/01/08 03/31/08 04/07/08   62.250  USD
-------------------------------------------------------------------------------------------------
    89736    09/14/05  B    9,802     WTI(1,0)   SWP  04/01/08 04/30/08 05/07/08   62.250  USD
-------------------------------------------------------------------------------------------------
    89736    09/14/05  B    9,802     WTI(1,0)   SWP  05/01/08 05/31/08 06/06/08   62.250  USD
-------------------------------------------------------------------------------------------------
    89736    09/14/05  B    9,802     WTI(1,0)   SWP  06/01/08 06/30/08 07/08/08   62.250  USD
-------------------------------------------------------------------------------------------------
    89736    09/14/05  B    9,802     WTI(1,0)   SWP  07/01/08 07/31/08 08/07/08   62.250  USD
-------------------------------------------------------------------------------------------------
    89736    09/14/05  B    9,802     WTI(1,0)   SWP  08/01/08 08/31/08 09/05/08   62.250  USD
-------------------------------------------------------------------------------------------------
    89736    09/14/05  B    9,802     WTI(1,0)   SWP  09/01/08 09/30/08 10/07/08   62.250  USD
-------------------------------------------------------------------------------------------------
    89736    09/14/05  B    9,802     WTI(1,0)   SWP  10/01/08 10/31/08 11/07/08   62.250  USD
-------------------------------------------------------------------------------------------------
    89736    09/14/05  B    9,802     WTI(1,0)   SWP  11/01/08 11/30/08 12/05/08   62.250  USD
-------------------------------------------------------------------------------------------------
    89736    09/14/05  B    9,802     WTI(1,0)   SWP  12/01/08 12/31/08 01/07/09   62.250  USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
    89737    09/14/05  B    8,778     WTI(1,0)   SWP  01/01/09 01/31/09 02/06/09   61.050  USD
-------------------------------------------------------------------------------------------------
    89737    09/14/05  B    8,778     WTI(1,0)   SWP  02/01/09 02/28/09 03/06/09   61.050  USD
-------------------------------------------------------------------------------------------------
    89737    09/14/05  B    8,778     WTI(1,0)   SWP  03/01/09 03/31/09 04/07/09   61.050  USD
-------------------------------------------------------------------------------------------------
    89737    09/14/05  B    8,778     WTI(1,0)   SWP  04/01/09 04/30/09 05/07/09   61.050  USD
-------------------------------------------------------------------------------------------------
    89737    09/14/05  B    8,778     WTI(1,0)   SWP  05/01/09 05/31/09 06/05/09   61.050  USD
-------------------------------------------------------------------------------------------------
    89737    09/14/05  B    8,778     WTI(1,0)   SWP  06/01/09 06/30/09 07/07/09   61.050  USD
-------------------------------------------------------------------------------------------------
    89737    09/14/05  B    8,778     WTI(1,0)   SWP  07/01/09 07/31/09 08/07/09   61.050  USD
-------------------------------------------------------------------------------------------------
    89737    09/14/05  B    8,778     WTI(1,0)   SWP  08/01/09 08/31/09 09/07/09   61.050  USD
-------------------------------------------------------------------------------------------------
    89737    09/14/05  B    8,778     WTI(1,0)   SWP  09/01/09 09/30/09 10/07/09   61.050  USD
-------------------------------------------------------------------------------------------------
    89737    09/14/05  B    8,778     WTI(1,0)   SWP  10/01/09 10/31/09 11/06/09   61.050  USD
-------------------------------------------------------------------------------------------------
    89737    09/14/05  B    8,778     WTI(1,0)   SWP  11/01/09 11/30/09 12/07/09   61.050  USD
-------------------------------------------------------------------------------------------------
    89737    09/14/05  B    8,778     WTI(1,0)   SWP  12/01/09 12/31/09 01/07/10   61.050  USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
    89738    09/14/05  B    7,938     WTI(1,0)   SWP  01/01/10 01/31/10 02/05/10   60.150  USD
-------------------------------------------------------------------------------------------------
    89738    09/14/05  B    7,938     WTI(1,0)   SWP  02/01/10 02/28/10 03/05/10   60.150  USD
-------------------------------------------------------------------------------------------------
</Table>

                               SCHEDULE 7.20 - 8
                                   CREDIT AGREEMENT

<PAGE>

<Table>
<S>         <C>       <C>   <C>       <C>        <C>  <C>      <C>     <C>         <C>     <C>
-------------------------------------------------------------------------------------------------
    89738    09/14/05  B    7,938     WTI(1,0)   SWP  03/01/10 03/31/10 04/07/10   60.150  USD
-------------------------------------------------------------------------------------------------
    89738    09/14/05  B    7,938     WTI(1,0)   SWP  04/01/10 04/30/10 05/07/10   60.150  USD
-------------------------------------------------------------------------------------------------
    89738    09/14/05  B    7,938     WTI(1,0)   SWP  05/01/10 05/31/10 06/07/10   60.150  USD
-------------------------------------------------------------------------------------------------
    89738    09/14/05  B    7,938     WTI(1,0)   SWP  06/01/10 06/30/10 07/07/10   60.150  USD
-------------------------------------------------------------------------------------------------
    89738    09/14/05  B    7,938     WTI(1,0)   SWP  07/01/10 07/31/10 08/06/10   60.150  USD
-------------------------------------------------------------------------------------------------
    89738    09/14/05  B    7,938     WTI(1,0)   SWP  08/01/10 08/31/10 09/07/10   60.150  USD
-------------------------------------------------------------------------------------------------
    89738    09/14/05  B    7,938     WTI(1,0)   SWP  09/01/10 09/30/10 10/07/10   60.150  USD
-------------------------------------------------------------------------------------------------
    89738    09/14/05  B    7,938     WTI(1,0)   SWP  10/01/10 10/31/10 11/05/10   60.150  USD
-------------------------------------------------------------------------------------------------
    89738    09/14/05  B    7,938     WTI(1,0)   SWP  11/01/10 11/30/10 12/07/10   60.150  USD
-------------------------------------------------------------------------------------------------
    89738    09/14/05  B    7,938     WTI(1,0)   SWP  12/01/10 12/31/10 01/07/11   60.150  USD
-------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------
    98816    01/18/06  B    3,000     WTI(1,0)   SWP  03/01/06 03/31/06 04/07/06   68.000  USD
-------------------------------------------------------------------------------------------------
    98816    01/18/06  B    3,000     WTI(1,0)   SWP  04/01/06 04/30/06 05/05/06   68.000  USD
-------------------------------------------------------------------------------------------------
    98816    01/18/06  B    3,000     WTI(1,0)   SWP  05/01/06 05/31/06 06/07/06   68.000  USD
-------------------------------------------------------------------------------------------------
    98816    01/18/06  B    3,000     WTI(1,0)   SWP  06/01/06 06/30/06 07/10/06   68.000  USD
-------------------------------------------------------------------------------------------------
    98816    01/18/06  B    3,000     WTI(1,0)   SWP  07/01/06 07/31/06 08/07/06   68.000  USD
-------------------------------------------------------------------------------------------------
    98816    01/18/06  B    3,000     WTI(1,0)   SWP  08/01/06 08/31/06 09/08/06   68.000  USD
-------------------------------------------------------------------------------------------------
    98816    01/18/06  B    3,000     WTI(1,0)   SWP  09/01/06 09/30/06 10/06/06   68.000  USD
-------------------------------------------------------------------------------------------------
    98816    01/18/06  B    3,000     WTI(1,0)   SWP  10/01/06 10/31/06 11/07/06   68.000  USD
-------------------------------------------------------------------------------------------------
    98816    01/18/06  B    3,000     WTI(1,0)   SWP  11/01/06 11/30/06 12/07/06   68.000  USD
-------------------------------------------------------------------------------------------------
    98816    01/18/06  B    3,000     WTI(1,0)   SWP  12/01/06 12/31/06 01/08/07   68.000  USD
-------------------------------------------------------------------------------------------------
</Table>

                               SCHEDULE 7.20 - 9
                                   CREDIT AGREEMENT

<PAGE>
<Table>
<Caption>

<S><C>
MBN PROPERTIES LP
----------------------------------------------------------------------------------------------
                                                                            Hedge for tax
                                                                 SECTION 475(B)2 AND 1221(A)7)
----------------------------------------------------------------------------------------------
HEDGING  #:                MUR 436067
----------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------
INCEPTION OF HEDGE:         9/14/05
----------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------
HEDGED ITEM (PHYSICAL):
----------------------------------------------------------------------------------------------
         1,249,439 MMBtu natural gas to be produced during calendar years of 2006 and 2007
         -------------------------------------------------------------------------------------

         -------------------------------------------------------------------------------------
         Exposure ID:                                                    Natural Gas
         -------------------------------------------------------------------------------------
         Counterparty:                                                   Bank of America, N.A.
         -------------------------------------------------------------------------------------
         Contract Date:                                                  9/14/2005
         -------------------------------------------------------------------------------------
         Underlying Good:                                                Natural Gas
         -------------------------------------------------------------------------------------
         Total number of units:                                          1,249,439 MMBtu
         -------------------------------------------------------------------------------------
         Price basis or index per unit:                                   NYMEX-Henry Hub
                                                                          Natural Gas
         -------------------------------------------------------------------------------------
                                                                         Each calendar month
         Date the transaction is expected to occur:                      during 2006 and 2007
         -------------------------------------------------------------------------------------
         Other terms (describe):                                         N/A
         -------------------------------------------------------------------------------------
         Rationale for the assumption that forecasted                    Hedging a % of
         transaction is probable:                                        our production
                                                                         which mngt.
                                                                         deemed
                                                                         necessary to
                                                                         manage our
                                                                         price risk.

----------------------------------------------------------------------------------------------
ACCOUNTING TREATMENT FOR OCI (DESCRIBE PROCESS):
----------------------------------------------------------------------------------------------
         OCI Reclassification approximately 30 - 45 days after gas purchased,
         reflecting normal production cycle.
         -------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------
NATURE OF RISK BEING HEDGED:
----------------------------------------------------------------------------------------------
         The variability of cash flows in the sales price of natural gas.
         -------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------
HEDGING DERIVATIVE: NATURAL GAS FUTURES CONTRACTS (FINANCIAL)
----------------------------------------------------------------------------------------------
         Derivative ID:                                                  MUR 436067
         -------------------------------------------------------------------------------------
         Futures contracts:                                              Natural Gas
         -------------------------------------------------------------------------------------
         Contract size:                                                  1,249,439 MMBtu
         -------------------------------------------------------------------------------------
         Exchange:                                                       NYMEX
         -------------------------------------------------------------------------------------
         MUR 436067                                                      Bank of America, N.A.
         -------------------------------------------------------------------------------------
         Trade Date:                                                     9/14/2005
         -------------------------------------------------------------------------------------
         Purchase                                                        Yes
         -------------------------------------------------------------------------------------
         Expiration/futures price/quantity                Month/Yr  Price  Quantity MMBtu Per
                                                                                Month
         -------------------------------------------------------------------------------------

                                                          Jan-06    $ 12.4000     59,406
----------------------------------------------------------------------------------------------

                                                          Feb-06    $ 12.2640     53,091
----------------------------------------------------------------------------------------------

                                                          Mar-06    $ 11.9390     58,171
----------------------------------------------------------------------------------------------

                                                          Apr-06    $  9.7390     55,703
----------------------------------------------------------------------------------------------
                                                          May-06    $  9.3990     56,964
----------------------------------------------------------------------------------------------
                                                          Jun-06    $  9.4190     54,556
----------------------------------------------------------------------------------------------
                                                          Jul-06    $  9.4540     55,780
----------------------------------------------------------------------------------------------
                                                          Aug-06    $  9.4890     55,219
----------------------------------------------------------------------------------------------

                                                          Sep-06    $  9.4640     52,917
----------------------------------------------------------------------------------------------

                                                          Oct-06    $  9.4940     54,153
----------------------------------------------------------------------------------------------
                                                          Nov-06    $  9.8640     51,887
----------------------------------------------------------------------------------------------
                                                          Dec-06    $ 10.2140     53,088
----------------------------------------------------------------------------------------------
RISK MANAGEMENT STRATEGY AND HEDGE OBJECTIVE:
----------------------------------------------------------------------------------------------
         To offset the changes in price of sales of Natural Gas during the specified time
         horizon.
         -------------------------------------------------------------------------------------
METHOD OF MEASURING INEFFECTIVENESS:
----------------------------------------------------------------------------------------------
         Changes in the price of NYMEX natural gas futures are compared against prices on
         pipelines used as indexes for the
         -------------------------------------------------------------------------------------
         Company's natural gas sales.
         -------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------
         Is the hedge relationship consistent with the Company's risk    Y
         management policy? Y/N
----------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------
         Prepared by:
                                              --------------------------
----------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------
         Approved by:
                                              --------------------------
----------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------
</Table>

                               SCHEDULE 7.20 - 10
                                  CREDIT AGREEMENT

<PAGE>
<Table>
<S><C>
MBN PROPERTIES LP
-----------------------------------------------------------------------------------------------
                                                                            Hedge for tax
                                                                   SECTION 475(B)2 AND 1221(A)7
-----------------------------------------------------------------------------------------------
HEDGING #:             MUR 436067
-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------
INCEPTION OF HEDGE:    9/14/05
-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------
HEDGED ITEM (PHYSICAL):
          -------------------------------------------------------------------------------------
          1,249,439 MMBtu natural gas to be produced during calendar years of 2006 and 2007
-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------
          Exposure ID:                                                    Natural Gas
-----------------------------------------------------------------------------------------------
          Counterparty:                                                   Bank of America, N.A.
-----------------------------------------------------------------------------------------------
          Contract Date:                                                  9/14/2005
-----------------------------------------------------------------------------------------------
          Underlying Good:                                                Natural Gas
-----------------------------------------------------------------------------------------------
          Total number of units:                                          1,249,439 MMBtu
          -------------------------------------------------------------------------------------
          Price basis or index per unit:                                  NYMEX- Henry Hub
                                                                          Natural Gas
          -------------------------------------------------------------------------------------
          Date the transaction is expected to occur:                      Each calendar month
                                                                          during 2006 and 2007
          -------------------------------------------------------------------------------------
          Other terms (describe):                                         N/A
          -------------------------------------------------------------------------------------
          Rationale for the assumption that forecasted                    Hedging a % of
          transaction is probable:                                        our production
                                                                          which mngt.
                                                                          deemed necessary
                                                                          to manage our
                                                                          price risk.
-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------
ACCOUNTING TREATMENT FOR OCI (DESCRIBE
PROCESS):
-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------
          OCI Reclassification approximately 30 - 45 days after gas purchased, reflecting normal
          production cycle.
-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------
NATURE OF RISK BEING HEDGED:
-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------
          The variability of cash flows in the sales price of natural gas.
-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------
HEDGING DERIVATIVE: NATURAL GAS FUTURES CONTRACTS (FINANCIAL)
          -------------------------------------------------------------------------------------
          Derivative ID:                                                  MUR 436067
          -------------------------------------------------------------------------------------
          Futures contracts:                                              Natural Gas
          -------------------------------------------------------------------------------------
          Contract size:                                                  1,249,439 MMBtu
          -------------------------------------------------------------------------------------
          Exchange:                                                       NYMEX
          -------------------------------------------------------------------------------------
          MUR 436067                                                      Bank of America, N.A.
-----------------------------------------------------------------------------------------------
          Trade Date:                                                     9/14/2005
-----------------------------------------------------------------------------------------------
          Purchase                                                        Yes
-----------------------------------------------------------------------------------------------
          Expiration /futures price/ quantity            Month/Yr Price   Quantity MMBtu Per
                                                                          Month
-----------------------------------------------------------------------------------------------
                                                          Jan-07 $ 9.0200 49,042
-----------------------------------------------------------------------------------------------
                                                          Feb-07 $ 9.0200 49,042
-----------------------------------------------------------------------------------------------
                                                          Mar-07 $ 9.0200 49,042
-----------------------------------------------------------------------------------------------
                                                          Apr-07 $ 9.0200 49,042
-----------------------------------------------------------------------------------------------
                                                          May-07 $ 9.0200 49,042
-----------------------------------------------------------------------------------------------
                                                          Jun-07 $ 9.0200 49,042
-----------------------------------------------------------------------------------------------
                                                          Jul-07 $ 9.0200 49,042
-----------------------------------------------------------------------------------------------
                                                          Aug-07 $ 9.0200 49,042
-----------------------------------------------------------------------------------------------
                                                          Sep-07 $ 9.0200 49,042
-----------------------------------------------------------------------------------------------
                                                          Oct-07 $ 9.0200 49,042
-----------------------------------------------------------------------------------------------
                                                          Nov-07 $ 9.0200 49,042
-----------------------------------------------------------------------------------------------
                                                          Dec-07 $ 9.0200 49,042
-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------
RISK MANAGEMENT STRATEGY AND HEDGE OBJECTIVE:
          -------------------------------------------------------------------------------------
          To offset the changes in price of sales of Natural Gas during the specified time
          horizon.
-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------
METHOD OF MEASURING INEFFECTIVENESS:
          -------------------------------------------------------------------------------------
          Changes in the price of NYMEX natural gas futures are compared
          against prices on pipelines used as indexes for the
-----------------------------------------------------------------------------------------------
          Company's natural gas sales.
-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------
          Is the hedge relationship consistent with the Company's risk    Y
          managemnt policy? Y/N
-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------
          Prepared by:
-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------
          Approved by:
-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------
</Table>

                               SCHEDULE 7.20 - 11
                                   CREDIT AGREEMENT

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00103-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00103-of-00352.parquet"}]]