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                                                                    EXHIBIT 10.5

                         AMENDED AND RESTATED AGREEMENT

                                       OF

                               LIMITED PARTNERSHIP

                                       OF

                         BUCKEYE PIPE LINE COMPANY, L.P.

                (AS AMENDED AND RESTATED AS OF DECEMBER 15, 2004)

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                         BUCKEYE PIPE LINE COMPANY, L.P.

                                TABLE OF CONTENTS

<TABLE>
<S>                                                                                                                <C>
         Formation.............................................................................................     4
         Name..................................................................................................     5
         Principal Office; Registered Office...................................................................     5
         Term..................................................................................................     5
         Organizational Certificate............................................................................     5
         Partnership Interests.................................................................................     5
PURPOSE........................................................................................................     5
         Capital Contributions.................................................................................     6
         No Preemptive Rights..................................................................................     6
         No Interest...........................................................................................     6
         Loans from Partners...................................................................................     6
         No Withdrawal.........................................................................................     6
         Distributions.........................................................................................     6
         Tax Allocations.......................................................................................     7
         Preparation of Tax Returns............................................................................     7
         Tax Elections.........................................................................................     7
         Tax Controversies.....................................................................................     7
         Powers of General Partner.............................................................................     7
         Duties of General Partner.............................................................................     8
         Reliance by Third Parties.............................................................................     9
         Compensation and Reimbursement of the General Partner.................................................     9
         Outside Activities; Contracts with Affiliates; Loans to or from Affiliates............................    11
         Tax Basis and Value Determinations....................................................................    13
         Resolution of Conflicts of Interest; Standard of Care.................................................    13
         Other Matters Concerning the General Partner..........................................................    14
         Limited Liability; Indemnification....................................................................    14
         Limitation of Liability...............................................................................    15
         Management of Business................................................................................    15
         Outside Activities....................................................................................    15
         Return of Capital.....................................................................................    16
         Books, Records and Accounting.........................................................................    16
         Fiscal Year...........................................................................................    16
         Reports...............................................................................................    16
         Transfer of Partnership Interests.....................................................................    17
         Successor Partners....................................................................................    17
         Withdrawal or Removal of the General Partner..........................................................    17
         Sale of Former General Partner's Interest.............................................................    18
         Dissolution...........................................................................................    18
         Reconstitution........................................................................................    19
         Liquidation...........................................................................................    20
</TABLE>

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<TABLE>
<S>                                                                                                                <C>
         Distribution in Kind..................................................................................    21
         Cancellation of Certificate of Limited Partnership....................................................    21
         Return of Capital.....................................................................................    21
         Waiver of Partition...................................................................................    21
Amendment of Partnership Agreement.............................................................................    21
         Amendments Which May Be Adopted Solely by the General Partner.........................................    21
         Other Amendments......................................................................................    22
         Opinions Regarding Taxation as a Partnership..........................................................    22
         Address and Notices...................................................................................    23
         Headings..............................................................................................    23
         Binding Effect........................................................................................    23
         Integration...........................................................................................    23
         Waiver   .............................................................................................    23
         Counterparts..........................................................................................    23
         Severability..........................................................................................    23
         Applicable Law........................................................................................    23
</TABLE>

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                              AMENDED AND RESTATED

                                    AGREEMENT

                                       OF

                               LIMITED PARTNERSHIP

                                       OF

                         BUCKEYE PIPE LINE COMPANY, L.P.

            THIS AMENDED AND RESTATED AGREEMENT OF LIMITED PARTNERSHIP, dated as
of December 15, 2004, is entered into between BUCKEYE GP LLC, a Delaware limited
liability company (the "General Partner"), and BUCKEYE PARTNERS, L.P. (the
"MLP"), a Delaware limited partnership.

                                   BACKGROUND

            On December 23, 1986, Buckeye Pipe Line Company and the MLP entered
into an Agreement of Limited Partnership of the Partnership (as amended and
restated through March 25, 1998, the "Prior Partnership Agreement").

            On May 5, 2004, Buckeye Pipe Line Company converted from a Delaware
corporation to a Delaware limited liability company and changed its name to
Buckeye Pipe Line Company LLC (the "Former GP").

            In accordance with Section 10.1 of the Prior Partnership Agreement,
the Former GP has assigned and transferred certain assets and liabilities,
including all of its GP Units, to the General Partner pursuant to a
Contribution, Assignment and Assumption Agreement dated as of the date of this
Agreement. The General Partner has accepted the transfer of those certain assets
and liabilities and the GP Units, and in connection with this amendment and
restatement of the Prior Agreement, desires to become the general partner of the
Partnership.

                             ARTICLE I Definitions

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

            "Affiliate" means, with respect to any Person, any other Person that
directly or indirectly controls, is controlled by, or is under common control
with the Person in question; provided, however, that, for purposes of the
restrictive provisions of Sections 7.5, 7.6 and 7.8, neither the Limited Partner
nor any of its subsidiaries shall be deemed to be Affiliates of the General
Partner. As used herein, the term "control" means the possession, directly or
indirectly,

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of the power to direct or cause the direction of the management and policies of
a Person, whether through ownership of voting securities, by contract or
otherwise. For purposes of this Agreement, Services Company, which provides
services to the General Partner, shall be deemed an Affiliate of the General
Partner.

            "Agreed Value" of any Contributed Property means the fair market
value of such property as of the time of contribution (or, in the case of cash,
the amount thereof), as determined by the General Partner using such reasonable
method of valuation as it may adopt.

            "Agreement" means this amended and restated agreement of limited
partnership, as amended or amended and restated from time to time.

            "Capital Contribution" means any Contributed Property which a
Partner contributes to the Partnership.

            "Certificate of Limited Partnership" means the Amended and Restated
Certificate of Limited Partnership filed with the Secretary of State of the
State of Delaware as described in the first sentence of Section 2.5, as amended
or amended and restated from time to time.

            "Code" means the Internal Revenue Code of 1986, as amended from time
to time.

            "Contributed Property" means any cash, property or other
consideration (in such form as may be permitted under the Delaware Act)
contributed to the Partnership.

            "Contributing Partner" means any Partner contributing Contributed
Property to the Partnership.

            "Conveyance Agreement" means the conveyance agreement, dated as of
November 18, 1986, between the Original Limited Partner and the Partnership.

            "Delaware Act" means the Delaware Revised Uniform Limited
Partnership Act, as amended from time to time, and any successor to such Act.

            "Designated Expenses" means all costs and expenses (direct or
indirect) incurred by the General Partner which are directly or indirectly
related to the formation, capitalization, business or activities of the
Partnership (including, without limitation, expenses, direct or indirect,
reasonably allocated to the General Partner by its Affiliates); provided,
however, that Designated Expenses shall not include (a) any cost or expense for
which the General Partner is not entitled to be reimbursed by reason of the
proviso at the end of Section 7.10(b); (b) any cost or expense for which the
General Partner and its Affiliates are not entitled to be reimbursed pursuant to
the terms of the Exchange Agreement; or (c) severance costs not permitted to be
reimbursed pursuant to the Management Agreement in connection with the
withdrawal of the General Partner.

            "Exchange Agreement" means the Third Amended and Restated Exchange
Agreement, dated as of December 15, 2004, among Holdco, the General Partner, the
Limited

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Partner and the Limited Partner's other operating partnerships as amended or
restated from time to time.

            "General Partner" means Buckeye GP LLC, in its capacity as the
general partner of the Partnership and in its capacity as manager pursuant to
the Management Agreement, and any successor to Buckeye GP LLC as such general
partner and manager.

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

            "Holdco" means, collectively MainLine Sub LLC and any entities which
control MainLine Sub LLC or are under common control with MainLine Sub LLC other
than the General Partner, the MLP and its consolidated subsidiaries (including
the Partnership).

            "Indemnitee" means the General Partner, any Affiliate of the General
Partner, any Person who is or was a director, officer, manager, member, employee
or agent of the General Partner or any such Affiliate, or any Person who is or
was serving at the request of the General Partner or any such Affiliate as a
director, officer, manager, member, partner, trustee, employee or agent of
another Person.

            "Limited Partner" means the MLP, in its capacity as the limited
partner of the Partnership, and any successor to the MLP as such limited
partner.

            "Liquidator" has the meaning specified in Section 12.3.

            "Management Agreement" means the Amended and Restated Management
Agreement, dated as of the date of this Agreement, between the Partnership and
the General Partner, pursuant to which the General Partner will manage the
Partnership, as amended or amended and restated from time to time.

            "MLP" means Buckeye Partners, L.P., a Delaware limited partnership.

            "MLP Agreement" means the amended and restated agreement of limited
partnership, dated as of the date hereof, governing the rights and obligations
of the partners of the MLP and certain related matters, as amended or amended
and restated from time to time.

            "MLP General Partner" means Buckeye GP LLC, in its capacity as
general partner of the MLP, and any successor to Buckeye GP LLC as such general
partner.

            "Net Agreed Value" means, with respect to any Contributed Property,
the Agreed Value of such Contributed Property reduced by any indebtedness either
assumed by the Partnership upon contribution of such Contributed Property or to
which such Contributed Property is subject when contributed.

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

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            "Original Limited Partner" means Buckeye Pipe Line Company, an Ohio
corporation.

            "Partner" means the General Partner or the Limited Partner.

            "Partnership" means Buckeye Pipe Line Company, L.P., a Delaware
limited partnership.

            "Partnership Group" means the MLP and any subsidiary of the MLP
(including the Partnership), treated as a single consolidated entity.

            "Partnership Interest" means a general partner's or limited
partner's interest in the Partnership.

            "Percentage Interest" means, as of any date of determination, as to
any Partner, the Agreed Value of such Partner's aggregate Capital Contributions
to the Partnership divided by the Agreed Value of the aggregate Capital
Contributions made to the Partnership by all Partners.

            "Person" means an individual, a corporation, a limited liability
company, a partnership, a trust, an unincorporated organization, an association
or any other entity.

            "Services Company" means Buckeye Pipe Line Services Company, a
Pennsylvania corporation.

            "Special Approval" means Special Approval as defined in the MLP
Agreement.

                       ARTICLE II ORGANIZATIONAL MATTERS

      2.1 Formation. Subject to the provisions of this Agreement, the Former GP
and Original Limited Partner originally formed the Partnership as a limited
partnership pursuant to the provisions of the Delaware Act. The Original Limited
Partner's limited partnership interest in the Partnership was transferred (by
operation of law) to an Affiliate and the MLP purchased such limited partnership
interest. The Partners, pursuant to the authority contained in Article XIII of
this Agreement, do hereby amend and restate this Agreement in its entirety to
continue the Partnership as a limited partnership pursuant to the provisions of
the Delaware Act and to set forth the rights and obligations of the Partners and
certain matters related thereto. Except as expressly provided herein to the
contrary, the rights and obligations of the Partners and the administration,
dissolution and termination of the Partnership shall be governed by the Delaware
Act.

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      2.2 Name. The name of the Partnership shall be, and the business of the
Partnership shall be conducted under the name of, "Buckeye Pipe Line Company,
L.P."; provided, however, that (a) the Partnership's business may be conducted
under any other name or names deemed advisable by the General Partner, (b) the
General Partner in its sole discretion may change the name of the Partnership at
any time and from time to time and (c) the name under which the Partnership
conducts business shall include "Ltd." or "Limited Partnership" (or similar
words or letters) where necessary for purposes of maintaining the limited
liability status of the Limited Partner or otherwise complying with the laws of
any jurisdiction that so requires.

      2.3 Principal Office; Registered Office. (a) The principal office of the
Partnership shall be 5002 Buckeye Road, P.O. Box 368, Emmaus, Pennsylvania
18049, or such other place as the General Partner may from time to time
designate. The Partnership may maintain offices at such other places as the
General Partner deems advisable.

            (b) The address of the Partnership's registered office in the State
of Delaware shall be the Corporation Trust Center, 1209 Orange Street, in the
City of Wilmington, County of New Castle, Delaware 19801, and the name of the
Partnership's registered agent for service of process at such address shall be
The Corporation Trust Company.

      2.4 Term. The Partnership shall continue in existence until the close of
Partnership business on December 31, 2086 or until the earlier termination of
the Partnership in accordance with the provisions of Article XII.

      2.5 Organizational Certificate. An Amended and Restated Certificate of
Limited Partnership of the Partnership has been filed with the Secretary of
State of the State of Delaware as required by the Delaware Act. The General
Partner shall cause to be filed such other certificates or documents as may be
required for the formation, operation and qualification of a limited partnership
in Delaware and any other state in which the Partnership may elect to do
business. The General Partner shall thereafter file any necessary amendments to
the Certificate of Limited Partnership and such other certificates and documents
and do all things requisite to the maintenance of the Partnership as a limited
partnership (or as a partnership in which the Limited Partner has limited
liability) under the laws of Delaware and any other state in which the
Partnership may elect to do business.

      2.6 Partnership Interests. Effective as of the date hereof, the Limited
Partner has a 99% Partnership Interest and the General Partner has a 1%
Partnership Interest.

                              ARTICLE III PURPOSE

            The purpose and business of the Partnership shall be to engage in
any lawful activity for which limited partnerships may be organized under the
Delaware Act.

                        ARTICLE IV CAPITAL CONTRIBUTIONS

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      4.1 Capital Contributions. (a) Prior to the date hereof, the Original
Limited Partner contributed to the Partnership certain assets and the
Partnership assumed certain liabilities pursuant to the Conveyance Agreement,
and the General Partner contributed to the Partnership an amount equal to 1/99th
of the Net Agreed Value of the Capital Contribution then being made by the
Original Limited Partner.

            (b) Whenever the Limited Partner makes a Capital Contribution, the
General Partner may contribute to the Partnership Contributed Property such that
the Net Agreed Value of the Capital Contribution then being made by the General
Partner is equal to the product obtained by multiplying (i) the quotient
determined by dividing (A) the General Partner's Percentage Interest by (B) the
remainder of 100% less the General Partner's Percentage Interest times (ii) the
Net Agreed Value of the Capital Contribution then being made by the Limited
Partner. The General Partner shall not be obligated to make any additional
Capital Contributions to the Partnership.

      4.2 No Preemptive Rights. No Partner shall have any preemptive,
preferential or other right with respect to the issuance or sale of securities
that may be issued or sold by the Partnership.

      4.3 No Interest. No interest shall be paid by the Partnership on Capital
Contributions.

      4.4 Loans from Partners. Loans or other advances by a Partner to or for
the account of the Partnership shall not be considered Capital Contributions.

      4.5 No Withdrawal. No Partner shall be entitled to withdraw any part of
its Capital Contributions or to receive any distributions from the Partnership
except as provided herein.

                             ARTICLE V DISTRIBUTIONS

      5.1 Distributions. (a) From time to time, not less often than quarterly,
the General Partner shall review the Partnership's accounts to determine whether
distributions are appropriate. The General Partner may make such cash
distributions as it, in its sole discretion, may determine, without being
limited to current or accumulated income or gains, from any Partnership funds,
including, without limitation, Partnership revenues, Capital Contributions or
borrowed funds. In its sole discretion, the General Partner may also distribute
to the Partners other Partnership property or securities of the Partnership or
other entities.

      All distributions shall be made concurrently to both Partners in
accordance with their respective Percentage Interests.

            (b) Amounts paid pursuant to Section 7.4 or the Management Agreement
shall not be deemed to be distributions for purposes of this Agreement.

                         ARTICLE VI INCOME TAX MATTERS

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      6.1 Tax Allocations. For federal income tax purposes, each item of income,
gain, loss, deduction and credit of the Partnership shall be in accordance with
their respective Percentage Interests.

      6.2 Preparation of Tax Returns. The General Partner shall arrange for the
preparation and timely filing of all returns of Partnership income, gains,
losses, deductions, credits and other items necessary for federal and state
income tax purposes and shall use all reasonable efforts to furnish to the
Limited Partner within 90 days after the close of the taxable year the tax
information reasonably required for federal and state income tax reporting
purposes. The classification, realization and recognition of income, gains,
losses, deductions, credits and other items shall be on the accrual method of
accounting for federal income tax purposes, unless the General Partner shall
determine otherwise in its sole discretion.

      6.3 Tax Elections. Except as otherwise provided herein, the General
Partner shall, in its sole discretion, determine whether to make any available
election.

      6.4 Tax Controversies. Subject to the provisions hereof, the General
Partner is designated as the Tax Matters Partner (as defined in Section 6231 of
the Code) and is authorized and required to represent the Partnership (at the
Partnership's expense) in connection with all examinations of the Partnership's
affairs by tax authorities, including resulting administrative and judicial
proceedings, and to expend Partnership funds for professional services and costs
associated therewith. The Limited Partner agrees to cooperate with the General
Partner and to do or refrain from doing any and all things reasonably required
by the General Partner to conduct such proceedings.

       ARTICLE VII MANAGEMENT AND OPERATION OF BUSINESS; INDEMNIFICATION

      7.1 Powers of General Partner. Except as otherwise expressly provided in
this Agreement, all powers to control and manage the business and affairs of the
Partnership shall be exclusively vested in the General Partner, and the Limited
Partner shall not have any power to control or manage the business and affairs
of the Partnership.

      In addition to the powers now or hereafter granted a general partner of a
limited partnership under applicable law or which are granted to the General
Partner under any other provisions of this Agreement, the General Partner is
hereby authorized and empowered, in the name of and on behalf of the
Partnership, to do and perform any and all acts and things which it deems
appropriate or necessary in the conduct of the business and affairs of the
Partnership, including, without limitation, the following:

            (a) to lend or borrow money, to assume, guarantee or otherwise
      become liable for indebtedness and other liabilities and to issue
      evidences of indebtedness;

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            (b) to buy, lease (as lessor or lessee), sell, mortgage, encumber or
      otherwise acquire or dispose of any or all of the assets of the
      Partnership (subject to the provisions of Article XIV);

            (c) to own, use and invest the assets of the Partnership;

            (d) to purchase or sell products, services and supplies;

            (e) to make tax, regulatory and other filings, and to render
      periodic and other reports to governmental agencies or bodies having
      jurisdiction over the assets or business of the Partnership;

            (f) to open, maintain and close bank accounts and to draw checks and
      other orders for the payment of money;

            (g) to negotiate, execute and perform any contracts, conveyances or
      other instruments;

            (h) to distribute Partnership cash;

            (i) to utilize the services of officers and employees of the General
      Partner or of any other Persons and to select and dismiss employees (if
      any) and outside attorneys, accountants, consultants and contractors;

            (j) to maintain insurance for the benefit of the Partnership and the
      Partners;

            (k) to form, participate in or contribute or loan cash or property
      to limited or general partnerships, joint ventures, limited liability
      companies, corporations or similar arrangements;

            (l) to expand the business activities in which the Partnership is
      engaged or engage in new business activities by acquisition or internal
      development; and

            (m) to conduct litigation and incur legal expenses and otherwise
      deal with or settle claims or disputes;

in each case at such times and upon such terms and conditions as the General
Partner deems appropriate or necessary, and subject to any express restrictions
contained elsewhere in this Agreement.

      7.2 Duties of General Partner. The General Partner shall manage the
business and affairs of the Partnership in the manner the General Partner deems
appropriate or necessary. Without limiting the generality of the foregoing, the
General Partner's duties shall include the following:

            (a) to take possession of the assets of the Partnership;

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            (b) to staff and operate the business of the Partnership with the
      officers and employees of the General Partner or of other Persons;

            (c) to render or cause to be rendered engineering, environmental and
      other technical services and perform or cause to be performed financial,
      accounting, logistical and other administrative functions for the
      Partnership;

            (d) to render such reports and make such periodic and other filings
      as may be required under applicable federal, state and local laws, rules
      and regulations;

            (e) to provide or cause to be provided purchasing, procurement,
      repair, and other services for the Partnership; and

            (f) to conduct the business and affairs of the Partnership in
      accordance with this Agreement and all applicable laws, rules and
      regulations;

      in each case in such a manner as the General Partner deems appropriate or
      necessary.

      7.3 Reliance by Third Parties. Notwithstanding anything to the contrary in
this Agreement, any Person dealing with the Partnership shall be entitled to
assume that the General Partner has full power and authority to encumber, sell
or otherwise use in any manner any and all assets of the Partnership and to
enter into any contracts on behalf of the Partnership, and such Person shall be
entitled to deal with the General Partner as if it were the Partnership's sole
party in interest, both legally and beneficially. The Limited Partner hereby
waives any and all defenses or other remedies which may be available against
such Person to contest, negate or disaffirm any action of the General Partner in
connection with any such dealing. In no event shall any Person dealing with the
General Partner or its representatives be obligated to ascertain that the terms
of this Agreement have been complied with or to inquire into the necessity or
expedience of any act or action of the General Partner or its representatives.
Each and every certificate, document or other instrument executed on behalf of
the Partnership by the General Partner or its representatives shall be
conclusive evidence in favor of any and every Person relying thereon or claiming
thereunder that (a) at the time of the execution and delivery of such
certificate, document or instrument, this Agreement was in full force and
effect, (b) the Person executing and delivering such certificate, document or
instrument was duly authorized and empowered to do so for and on behalf of the
Partnership and (c) such certificate, document or instrument was duly executed
and delivered in accordance with the terms and provisions of this Agreement and
is binding upon the Partnership.

      7.4 Compensation and Reimbursement of the General Partner. (a) Except as
provided in this Section 7.4 or elsewhere in this Agreement, the Management
Agreement or any other agreement contemplated or permitted hereby, the General
Partner shall not be compensated for its services as General Partner to the
Partnership.

            (b) The General Partner shall be promptly reimbursed for all
Designated Expenses, in addition to any reimbursement as a result of
indemnification in accordance with

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Section 7.10 hereof or Section 3.02 of the Management Agreement. The General
Partner shall determine such Designated Expenses in any reasonable manner
determined by it.

            (c) The General Partner may propose and adopt fringe benefit plans,
including, without limitation, plans comparable to those that covered employees
employed by the predecessor to the Partnership and plans involving the issuance
of direct or indirect equity interests in the Partnership, for the benefit of
employees of the Partners, the Partnership or any of their respective
Affiliates, in respect of services performed, or obligated to be performed,
directly or indirectly, for the benefit of the Partnership.

      7.5 Certain Undertakings Relating to the Separateness of the Partnership.
(a) The Partnership shall conduct its business and operations separate and apart
from those of any other Person (including Holdco), except the General Partner
and the Partnership Group, in accordance with this Section 7.5.

            (b) The Partnership shall maintain (i) its books and records, (ii)
its accounts, and (iii) its financial statements, separate from those of any
other Person, except the Partnership Group.

            (c) The Partnership shall not commingle or pool its assets with
those of any other Person, except the Partnership Group, and shall maintain its
assets in a manner that is not costly or difficult to segregate, ascertain or
otherwise identify as separate from those of any other Person. The funds of the
Partnership shall be deposited in such account or accounts as shall be
designated by the General Partner, and shall not be commingled with the funds of
the General Partner or any of its Affiliates. All withdrawals from or charges
against such accounts shall be made by the General Partner or by its agents on
behalf of the Partnership. Funds of the Partnership may be invested as
determined by the General Partner.

            (d) The Partnership shall (i) conduct its business in its own name
or in the names of its subsidiaries, (ii) use separate stationery, invoices, and
checks, (iii) correct any known misunderstanding regarding its separate
identity, and (iv) generally hold itself out as an entity separate from any
other Person.

            (e) The Partnership (i) shall pay its own liabilities from its own
funds, (ii) shall maintain adequate capital in light of its contemplated
business operations, (iii) shall not guarantee or become obligated for the debts
of any other Person, except Group Members and except for the Partnership's
obligations under the Services Agreement, (iv) shall not hold out its credit as
being available to satisfy the obligations of any other Person, except Group
Members and except for the Partnership's obligations under the Services
Agreement, (v) shall not acquire obligations or debt securities of Holdco and
(vi) shall not pledge its assets to secure the obligations of any other Person
or make loans or advances to any Person, except Group Members or the General
Partner pursuant to Section 7.6(j); provided that the Partnership may engage in
any transaction described in clauses (iii)-(vi) of this Section 7.5(e) if
Special Approval has been obtained for such transaction and either (A) the Audit
Committee of the Board of Directors of the General Partner has determined, or
has obtained reasonable written assurance from a nationally recognized firm of
independent public accountants or a nationally recognized investment

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banking or valuation firm, that the borrower or recipient of the credit
extension is not then insolvent and will not be rendered insolvent as a result
of such transaction or (B) in the case of transactions described in clause (v),
such transaction is completed through a public auction or a National Securities
Exchange.

            (f) The Partnership shall (i) observe all partnership formalities
and other formalities required by its organizational documents, the laws of the
jurisdiction of its formation, or other laws, rules, regulations and orders of
governmental authorities exercising jurisdiction over it, (ii) engage in
transactions with Holdco in conformity with the requirements of this Section,
and (iii) subject to the terms of the Exchange Agreement, promptly pay, from its
own funds, and on a current basis, its allocable share of general and
administrative expenses, capital expenditures, and costs for shared services
performed by Holdco. Each material contract between the Partnership or another
Group Member, on the one hand, and Holdco, on the other hand, shall be in
writing.

            (g) Failure by the Partnership to comply with any of the obligations
set forth above shall not affect the status of the Partnership as a legal
entity, with its separate assets and separate liabilities.

      7.6 Outside Activities; Contracts with Affiliates; Loans to or from
Affiliates. (a) The General Partner shall not have any business interests or
engage in any business activities except for those relating to the Partnership.

            (b) Any Affiliate of the General Partner and any director, officer,
manager, member, partner or employee of the General Partner or any of its
Affiliates shall be entitled to and may have business interests and engage in
business activities in addition to those relating to the Partnership, including
business interests and activities in direct competition with the Partnership,
for their own account and for the account of others, without having or incurring
any obligation to offer any interest in such businesses or activities to the
Partnership or either Partner. Neither the Partnership nor either of the
Partners shall have any rights by virtue of this Agreement or the partnership
relationship governed hereby in any such business interests.

            (c) The Limited Partner hereby approves, ratifies and confirms the
execution, delivery and performance of the Conveyance Agreement and the
Management Agreement and agrees that the General Partner is authorized to
execute, deliver and perform the other agreements, acts, transactions and
matters contemplated hereby on behalf of the Partnership without any further
approval or vote of the Limited Partner, notwithstanding any other provision of
this Agreement.

            (d) Subject to the provisions of Section 7.4(a), the General Partner
and its Affiliates may enter into contracts with, or render services to, the
Partnership, provided that such contracts or services are on terms that are fair
and reasonable to the Partnership. The contracts and services approved, ratified
or confirmed pursuant to Section 7.6(c) shall be deemed to satisfy the terms of
this Section 7.6(d).

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            (e) Neither the General Partner nor any of its Affiliates shall
sell, transfer or convey property to, or purchase property from, the
Partnership, directly or indirectly, except pursuant to transactions that are
fair and reasonable to the Partnership. The conveyance of property pursuant to
the Conveyance Agreement shall be deemed to satisfy the terms of this Section
7.6(e).

            (f) The General Partner or its Affiliates may, but shall be under no
obligation to, lend to any Group Member, upon the written request of any Group
Member to the General Partner or any of its Affiliates, funds needed or desired
by the Group Member for such periods of time and in such amounts as the Audit
Committee of the General Partner may determine; provided, however, that in any
such case the lending party may not (i) charge the borrowing party interest at a
rate greater than the rate that would be charged the borrowing party or (ii)
impose terms less favorable to the borrowing party than would be charged or
imposed on the borrowing party by unrelated lenders on comparable loans made on
an arm's-length basis (without reference to the lending party's financial
abilities or guarantees). The borrowing party shall reimburse the lending party
for any costs (other than any additional interest costs) incurred by the lending
party in connection with the borrowing of such funds. No Group Member may lend
funds to Holdco.

            (g) The Partnership may lend or contribute to any Group Member, and
any Group Member may borrow from the Partnership, funds on terms and conditions
established in the sole discretion of the General Partner; provided, however,
that the Partnership may not charge the Group Member interest at a rate less
than the rate that would be charged to the Group Member (without reference to
the General Partner's financial abilities or guarantees) by unrelated lenders on
comparable loans. The foregoing authority shall be exercised by the General
Partner in its sole discretion and shall not create any right or benefit in
favor of any Group Member or any other Person.

            (h) The General Partner may itself, or may enter into an agreement
with any of its Affiliates to, render services to a Group Member or to the
General Partner in the discharge of its duties as general partner of the
Partnership. Any services rendered to a Group Member by the General Partner or
any of its Affiliates shall be on terms that are fair and reasonable to the
Partnership; provided, however, that the requirements of this Section 7.6(h)
shall be deemed satisfied as to (i) any transaction approved by Special
Approval, or (ii) any transaction, the terms of which are objectively
demonstrable to be no less favorable to the Partnership Group than those
generally being provided to or available from unrelated third parties. The
provisions of Section 7.4 shall apply to the rendering of services described in
this Section 7.6(h).

            (i) The General Partner and its Affiliates will have no obligation
to permit any Group Member to use any facilities or assets of the General
Partner and its Affiliates, except as may be provided in written contracts
entered into from time to time specifically dealing with such use, nor shall
there be any obligation on the part of the General Partner or its Affiliates to
enter into such contracts.

            (j) Subject to the provisions of Section 7.5(e), the Partnership may
lend funds to the General Partner or any of its Affiliates for such periods of
time and in such amounts as the

                                     - 12 -
<PAGE>

Audit Committee of the General Partner may determine; provided, however, that
the Partnership may not lend funds to the General Partner or an Affiliate unless
such funds consist of funds available after provision for working capital and
such reserves as the General Partner deems appropriate and such loan shall bear
interest at the rate (including points or other financing charges or fees) that
the General Partner would be charged by unrelated lenders on comparable loans.

      7.7 Tax Basis and Value Determinations. To the extent that the General
Partner is required pursuant to the provisions of this Agreement to establish
fair market values or allocate amounts realized, tax basis, Agreed Values or Net
Agreed Values, the General Partner shall establish such values and make such
allocations in a manner that is reasonable and fair to the Limited Partner,
taking into account all applicable laws, governmental regulations, rulings and
decisions. The General Partner may, in its sole discretion, modify or revise
such allocations in order to comply with such laws, governmental regulations,
rulings or decisions or to the extent it otherwise deems such modification or
revision appropriate or necessary. The General Partner is authorized, to the
extent deemed by it to be appropriate or necessary, to utilize the services of
an independent appraiser in establishing such values or allocations and the
General Partner shall in such cases be entitled to rely on the values or
allocations established by such independent appraiser.

      7.8 Resolution of Conflicts of Interest; Standard of Care. (a) Unless
otherwise expressly provided in this Agreement, the Management Agreement or any
other agreement contemplated hereby, (i) whenever a conflict of interest exists
or arises between the General Partner or any of its Affiliates, on the one hand,
and the Partnership or the Limited Partner, on the other hand, or (ii) whenever
this Agreement, the Management Agreement or any other agreement contemplated
hereby provides that the General Partner or any of its Affiliates shall act in a
manner which is, or provide terms which are, fair and/or reasonable to the
Partnership or the Limited Partner, the General Partner or such Affiliate shall
resolve such conflict of interest, take such action or provide such terms
considering, in each case, the relative interests of each party to such
conflict, agreement, transaction or situation and the benefits and burdens
relating to such interests, any customary or accepted industry practices, and
any applicable generally accepted accounting or engineering practices or
principles, and in the absence of bad faith by the General Partner or such
Affiliate, the resolution, action or terms so made, taken or provided by the
General Partner or such Affiliate shall not constitute a breach of this
Agreement or any other agreement contemplated hereby or a breach of any standard
of care or duty imposed hereby or under the Delaware Act or any other applicable
law, rule or regulation.

            (b) Whenever this Agreement, the Management Agreement or any other
agreement contemplated hereby provides that the General Partner or any of its
Affiliates is permitted or required to make a decision (i) in its "discretion"
or under a grant of similar authority or latitude, the General Partner or such
Affiliate shall be entitled, to the extent permitted by applicable law, to
consider only such interests and factors as it desires and shall have no duty or
obligation to give any consideration to any interest of or factors affecting the
Partnership or the Limited Partner, or (ii) in its "good faith" or under another
express standard, the General Partner or such Affiliate shall act under such
express standard and, except as

                                     - 13 -
<PAGE>

required by applicable law, shall not be subject to any other or different
standards imposed by this Agreement, any other agreement contemplated hereby or
applicable law.

      7.9 Other Matters Concerning the General Partner. (a) The General Partner
may rely and shall be protected in acting or refraining from acting upon any
certificate, document or other instrument believed by it to be genuine and to
have been signed or presented by the proper party or parties.

            (b) The General Partner may consult with legal counsel, accountants,
appraisers, management consultants, investment bankers, and other consultants
and advisors selected by it and shall be fully protected in relying on any
opinion or advice of any such Person as to matters which the General Partner
believes to be within such Person's professional or expert competence in
connection with any action taken or suffered or omitted by the General Partner
hereunder in good faith and in accordance with such opinion or advice.

            (c) The General Partner may exercise any of the powers granted to it
by this Agreement and perform any of the duties imposed upon it hereunder either
directly or by or through its agents, and the General Partner shall not be
responsible for any misconduct or negligence on the part of any such agent
appointed by the General Partner in good faith.

      7.10 Limited Liability; Indemnification. (a) Notwithstanding anything to
the contrary in this Agreement, and except to the extent required by applicable
law, no Indemnitee shall be liable to the Partnership or any Partner for any
action taken or omitted to be taken by such Indemnitee in its capacity as a
person of the type described in the definition of the term "Indemnitee",
provided that such Indemnitee acted in good faith and such action or omission
does not involve the gross negligence or willful misconduct of such Indemnitee.
The termination of any action, suit or proceeding by judgment, order,
settlement, conviction or upon a plea of nolo contendere, or its equivalent,
shall not, of itself, create a presumption that an Indemnitee did not act in
good faith or that an action or omission involves gross negligence or willful
misconduct.

            (b) The Partnership shall, to the extent permitted by applicable
law, indemnify each Indemnitee against expenses (including legal fees and
expenses), judgments, fines and amounts paid in settlement, actually and
reasonably incurred by such Indemnitee, in connection with any threatened,
pending or completed claim, demand, action, suit or proceeding to which such
Indemnitee was or is a party or is threatened to be made a party, by reason of
(i) such Indemnitee's status as a General Partner, any Affiliate of the General
Partner, any Person who is or was a director, officer, manager, member, employee
or agent of the General Partner or any such Affiliate, or any Person who is or
was serving at the request of the General Partner or any such Affiliate as a
director, officer, manager, member, partner, trustee, employee or agent of
another Person or (ii) any action taken or omitted to be taken by such
Indemnitee in any capacity referred to in clause (i) of this Section 7.10(b),
relating to this Agreement or the property, business, affairs or management of
the Partnership (provided the Indemnitee acted in good faith and the act or
omission which is the basis of such action, suit or proceeding does not involve
the gross negligence or willful misconduct of such Indemnitee).

                                     - 14 -
<PAGE>

            (c) Expenses (including legal fees and expenses) incurred in
defending any claim, demand, action, suit or proceeding subject to Section
7.10(b) shall be paid by the Partnership in advance of the final disposition of
such claim, demand, action, suit or proceeding upon receipt of an undertaking
(which need not be secured) by or on behalf of the Indemnitee to repay such
amount if it shall ultimately be determined, by a court of competent
jurisdiction, that the Indemnitee is not entitled to be indemnified by the
Partnership as authorized hereunder.

            (d) The indemnification provided by Section 7.10(b) shall be in
addition to any other rights to which an Indemnitee may be entitled and shall
continue as to an Indemnitee who has ceased to serve in a capacity for which the
Indemnitee is entitled to indemnification and shall inure to the benefit of the
heirs, successors, assigns, administrators and personal representatives of the
Indemnitee.

            (e) To the extent commercially reasonable, the Partnership shall
purchase and maintain insurance on behalf of the Indemnitees against any
liability which may be asserted against or expense which may be incurred by an
Indemnitee in connection with the Partnership's activities, whether or not the
Partnership would have the power to indemnify an Indemnitee against such
liability under the provisions of this Agreement.

            (f) An Indemnitee shall not be denied indemnification in whole or in
part under Section 7.10(b) because the Indemnitee had an interest in the
transaction with respect to which the indemnification applies if the transaction
was otherwise permitted by the terms of this Agreement.

            (g) The provisions of this Section 7.10 are for the benefit of the
Indemnitees and the heirs, successors, assigns, administrators and personal
representatives of the Indemnitees and shall not be deemed to create any rights
for the benefit of any other Persons.

           ARTICLE VIII RIGHTS AND OBLIGATIONS OF THE LIMITED PARTNER

      8.1 Limitation of Liability. The Limited Partner shall have no liability
under this Agreement (including, without limitation, liability under Section
7.10) except as provided in Section 4.1.

      8.2 Management of Business. The Limited Partner shall not take part in the
operation, management or control (within the meaning of the Delaware Act) of the
Partnership's business, transact any business in the Partnership's name or have
the power to sign documents for or otherwise bind the Partnership.

      8.3 Outside Activities. The Limited Partner shall be entitled to and may
have business interests and engage in business activities in addition to those
relating to the Partnership, including business interests and activities in
direct competition with the Partnership. Neither the Partnership nor the General
Partner shall have any rights by virtue of this Agreement or the Partnership
relationship created hereby in any business ventures of the Limited Partner.

                                     - 15 -
<PAGE>

      8.4 Return of Capital. The Limited Partner shall not be entitled to the
withdrawal or return of its Capital Contribution, except to the extent, if any,
that distributions made pursuant to this Agreement or upon termination of the
Partnership may be considered as such by law and then only to the extent
provided for in this Agreement.

               ARTICLE IX BOOKS, RECORDS, ACCOUNTING AND REPORTS

      9.1 Books, Records and Accounting. The General Partner shall keep or cause
to be kept books and records with respect to the Partnership's business, which
books and records shall at all times be kept at the principal office of the
Partnership. Any books and records maintained by the Partnership in the regular
course of its business, including books of account and records of Partnership
proceedings, may be kept on, or be in the form of, punch cards, disks, magnetic
tape, photographs, micrographics or any other information storage device,
provided that the records so kept are convertible into clearly legible written
form within a reasonable period of time. The books of the Partnership shall be
maintained, for financial reporting purposes, on the accrual basis, or on a cash
basis adjusted periodically to an accrual basis, as the General Partner shall
determine in its sole discretion, in accordance with generally accepted
accounting principles and applicable law.

      9.2 Fiscal Year. The fiscal year of the Partnership for financial
reporting purposes shall be the calendar year, unless the General Partner shall
determine otherwise in its sole discretion.

      9.3 Reports. (a) As soon as practicable, but in no event later than 90
days after the close of each fiscal year, the General Partner shall deliver to
the Limited Partner reports containing financial statements of the Partnership
for the fiscal year, presented in accordance with generally accepted accounting
principles, including a balance sheet, statement of income, statement of
Partners' capital and statement of changes in financial position, such
statements to be audited by a nationally recognized firm of independent public
accountants selected by the General Partner.

            (b) As soon as practicable, but in no event later than 45 days after
the close of each calendar quarter, except the last calendar quarter of each
fiscal year, the General Partner shall deliver to the Limited Partner a
quarterly report for the calendar quarter containing such financial and other
information as the General Partner deems appropriate.

        ARTICLE X TRANSFER OF PARTNERSHIP INTERESTS; SUCCESSOR PARTNERS

                                     - 16 -
<PAGE>

      10.1 Transfer of Partnership Interests. Neither Partner may transfer any
of its Partnership Interest unless (a) all of its Partnership Interest is being
transferred and the transferee assumes all of the rights and obligations of such
Partner hereunder, (b) the transfer is to an Affiliate of such Partner or is in
connection with a Partner's merger or consolidation with, or a transfer of all
or substantially all of a Partner's assets to, another Person, or the transfer
is approved by the other Partner, and (c) the Partnership receives an Opinion of
Counsel that such transfer would not result in the loss of limited liability of
the Limited Partner or cause the Partnership to be treated as an association
taxable as a corporation for federal income tax purposes.

      10.2 Successor Partners. Any Person becoming a successor General Partner
pursuant to Section 11.1 or the proviso to Section 12.1 or the transferee of the
entire Partnership Interest of a Partner pursuant to Section 10.1 shall be
admitted to the Partnership as a successor Partner, effective as of the date an
amendment or restatement of the Certificate of Limited Partnership is filed with
the Secretary of State of the State of Delaware effecting such substitution;
provided, however, that no such successor shall be so admitted until it has
agreed in writing to assume the former Partner's obligations hereunder. This
Agreement and the Certificate of Limited Partnership shall be amended as
appropriate to reflect the termination of the former Partner and the admission
of the successor Partner.

            ARTICLE XI WITHDRAWAL OR REMOVAL OF THE GENERAL PARTNER

      11.1 Withdrawal or Removal of the General Partner. (a) Subject to
regulatory approval, upon the withdrawal of the MLP General Partner from the
Limited Partner, the General Partner shall withdraw from the Partnership,
effective as of the date on which the MLP General Partner's withdrawal is
effective. If a successor MLP General Partner is approved as permitted by
Section 13.1(a) of the MLP Agreement, the Person so approved (or its designated
Affiliate) shall become the successor General Partner. If no successor MLP
General Partner is approved, the Partnership shall be dissolved pursuant to
Section 12.1.

            (b) The removal of the MLP General Partner from the Limited Partner
shall also constitute the removal of the General Partner from the Partnership,
effective as of the date on which the MLP General Partner's removal is
effective. The Person approved as successor MLP General Partner (or its
designated Affiliate) shall become the successor General Partner.

                                     - 17 -
<PAGE>

      11.2 Sale of Former General Partner's Interest. If any Person becomes a
successor General Partner pursuant to Section 11.1 or 12.2 or the proviso to
Section 12.1, such successor shall purchase from the former General Partner, and
the former General Partner shall sell to such successor, the Partnership
Interest of the former General Partner for an amount in cash equal to the fair
market value thereof, determined as of the effective date of the departure of
the former General Partner. Such fair market value shall be determined by
agreement between the former General Partner and its successor or, failing
agreement within 30 days after the date the successor General Partner is so
admitted, by a firm of independent appraisers jointly selected by the former
General Partner and its successor (or, if the former General Partner and its
successor cannot agree on the selection of such a firm within 45 days after the
date the successor General Partner is so admitted, by a firm of independent
appraisers selected by two firms, one of which will be selected by the former
General Partner and the other of which will be selected by the successor).

                    ARTICLE XII DISSOLUTION AND LIQUIDATION

      12.1 Dissolution. The Partnership shall be dissolved, and its affairs
wound up, upon:

            (a) expiration of its term as provided in Section 2.4;

            (b) withdrawal of the General Partner pursuant to Section 11.1
      (unless a Person becomes a successor General Partner prior to or on the
      effective date of such withdrawal);

            (c) bankruptcy or dissolution of the General Partner, or any other
      event that results in the General Partner ceasing to be a general partner
      in the Partnership (other than by reason of a withdrawal or removal
      pursuant to Section 11.1 or a transfer pursuant to Section 10.1);

            (d) an election by the General Partner to dissolve the Partnership
      which is approved by the Limited Partner; or

            (e) dissolution of the Limited Partner (unless the Limited Partner
      (if a partnership) is continued or reconstituted in accordance with its
      partnership agreement);

provided, however, that the Partnership shall not be dissolved upon an event
described in Section 12.1(b) if, within 90 days of such event, the Limited
Partner agrees in writing to continue the business of the Partnership and to the
appointment of a successor General Partner.

      For purposes of this Section 12.1, bankruptcy of the General Partner shall
be deemed to have occurred when (i) it commences a voluntary proceeding seeking
liquidation, reorganization or other relief under any bankruptcy, insolvency or
other similar law now or hereafter in effect, (ii) it seeks, consents to or
acquiesces in the appointment of a trustee, receiver or liquidator for it or for
all or any substantial part of its properties, (iii) it is adjudged a bankrupt
or insolvent, or has entered against it a final and nonappealable order for
relief, under any bankruptcy,

                                     - 18 -
<PAGE>

insolvency or similar law now or hereafter in effect, (iv) it executes and
delivers a general assignment for the benefit of its creditors, (v) it files an
answer or other pleading admitting or failing to contest the material
allegations of a petition filed against it in any involuntary proceeding of the
nature described in clause (i) above, or (vi)(1) any involuntary proceeding of
the nature described in clause (i) above has not been dismissed 120 days after
the commencement thereof or (2) the appointment without its consent or
acquiescence of a trustee, receiver or liquidator for it or for all or any
substantial part of its properties has not been vacated or stayed within 90 days
of such appointment, or (3) such appointment has been stayed but is not vacated
within 90 days after the expiration of any such stay.

      12.2 Reconstitution. Upon dissolution of the Partnership in accordance
with Section 12.1(b) or (c), and a failure of all Partners to agree to continue
the business of the Partnership and to the appointment of a successor General
Partner as provided in the proviso to Section 12.1, then within 180 days after
the event described in Section 14.1(b) or (c), the remaining Partners may elect
to reconstitute the Partnership and continue its business by forming a new
partnership on terms identical to those set forth in this Agreement and having
as a general partner a Person approved by such Partners. Upon any such election
by such Partners, all Partners shall be bound thereby and shall be deemed to
have consented thereto. Unless such an election is made within such 180-day
period, the Partnership shall conduct only activities necessary to wind up its
affairs. If such an election is made within such 180-day period, then (a) the
reconstituted partnership shall continue until the end of the term set forth in
Section 2.4 unless earlier dissolved in accordance with this Article XII and (b)
all necessary steps shall be taken to cancel this Agreement and the Certificate
of Limited Partnership and to enter into a new partnership agreement and
certificate of limited partnership; provided that the right to reconstitute and
to continue the business of the Partnership shall not exist and may not be
exercised unless the Partnership has received an Opinion of Counsel that (i) the
exercise of the right would not result in the loss of limited liability of the
Limited Partner and (ii) neither the Partnership nor the reconstituted
partnership would be treated as an association taxable as a corporation for
federal income tax purposes.

                                     - 19 -
<PAGE>

      12.3 Liquidation. Upon dissolution of the Partnership, unless the
Partnership is reconstituted pursuant to Section 12.2, the General Partner, or
in the event the General Partner has withdrawn from the Partnership, been
removed or dissolved or become bankrupt (as defined in Section 12.1), a
liquidator or liquidating committee approved by the Limited Partner shall be the
liquidator of the Partnership (the "Liquidator"). The Liquidator (if other than
the General Partner) shall be entitled to receive such compensation for its
services as may be approved by the Limited Partner. The Liquidator shall agree
not to resign at any time without 15 days' prior written notice and (if other
than the General Partner) may be removed at any time, with or without cause, by
notice of removal approved by the Limited Partner. Upon dissolution, resignation
or removal of the Liquidator, a successor and substitute Liquidator (who shall
have and succeed to all rights, powers and obligations of the original
Liquidator) shall, within 30 days thereafter, be approved by the Limited
Partner. Except as expressly provided in this Article XII, the Liquidator
approved in the manner provided herein shall have and may exercise, without
further authorization or approval of any of the parties hereto, all of the
powers conferred upon the General Partner under the terms of this Agreement (but
subject to all of the applicable limitations, contractual and otherwise, upon
the exercise of such powers, other than the limitation on sale set forth in
Article XIV) to the extent appropriate or necessary in the good faith judgment
of the Liquidator to carry out the duties and functions of the Liquidator
hereunder for and during such period of time as shall be reasonably required in
the good faith judgment of the Liquidator to complete the winding-up and
liquidation of the Partnership as provided for herein. The Liquidator shall
liquidate the assets of the Partnership and apply and distribute the proceeds of
such liquidation in the following order of priority, unless otherwise required
by mandatory provisions of applicable law:

            (a) to creditors of the Partnership (including Partners); and

            (b) in accordance with their respective Percentage Interests;

provided, however, that the Liquidator may place in escrow a reserve of cash or
other assets of the Partnership for contingent liabilities in an amount
determined by the Liquidator to be appropriate for such purposes.

                                     - 20 -
<PAGE>

      12.4 Distribution in Kind. Notwithstanding the provisions of Section 12.3
requiring the liquidation of the assets of the Partnership, but subject to the
order of priorities set forth therein, if on dissolution of the Partnership the
Liquidator determines that an immediate sale of part or all of the Partnership's
assets would be impractical or would cause undue loss to the Partners, the
Liquidator may, in its sole discretion, defer for a reasonable time the
liquidation of any assets except those necessary to satisfy liabilities of the
Partnership and may, in its sole discretion, distribute to the Partners, as
tenants in common, in lieu of cash, and as their interests may appear in
accordance with the provisions of Section 12.3(b), undivided interests in such
Partnership assets as the Liquidator deems not suitable for liquidation. Any
distributions in kind shall be subject to such conditions relating to the
disposition and management thereof as the Liquidator deems reasonable and
equitable and to any joint ownership agreements or other agreements governing
the ownership and operation of such properties at such time. The Liquidator
shall determine the fair market value of any property distributed in kind using
such reasonable method of valuation as it may adopt.

      12.5 Cancellation of Certificate of Limited Partnership. Upon the
completion of the distribution of Partnership property pursuant to Sections 12.3
and 12.4, the Partnership shall be terminated, and the Liquidator (or the
Limited Partner if necessary) shall cause the cancellation of the Certificate of
Limited Partnership and all qualifications of the Partnership as a foreign
limited partnership in jurisdictions other than the State of Delaware and shall
take such other actions as may be necessary to terminate the Partnership.

      12.6 Return of Capital. The General Partner shall not be personally liable
for the return of the Capital Contributions of the Limited Partner, or any
portion thereof, it being expressly understood that any such return shall be
made solely from Partnership assets.

      12.7 Waiver of Partition. Each Partner hereby waives any rights to
partition of the Partnership property.

                ARTICLE XIII AMENDMENT OF PARTNERSHIP AGREEMENT

      13.1 Amendments Which May Be Adopted Solely by the General Partner. The
General Partner may amend any provision of this Agreement without the consent of
the Limited Partner, and may execute, swear to, acknowledge, deliver, file and
record whatever documents may be required in connection therewith, to reflect:

            (a) a change in the name of the Partnership, in the location of the
      principal place of business of the Partnership or in the registered office
      or registered agent of the Partnership;

            (b) a change that the General Partner deems appropriate or necessary
      to (i) qualify, or continue the qualification of, the Partnership as a
      limited partnership (or a partnership in which the Limited Partner has
      limited liability) under the laws of any state or jurisdiction or (ii)
      ensure that the Partnership will not be treated as an association taxable
      as a corporation for federal income tax purposes;

                                     - 21 -
<PAGE>

            (c) a change that the General Partner in its sole discretion deems
      appropriate or necessary to satisfy any requirements, conditions or
      guidelines contained in any order, rule or regulation of any federal or
      state agency or contained in any federal or state statute;

            (d) a change that is appropriate or necessary, as determined by an
      Opinion of Counsel, to prevent the Partnership, the General Partner, its
      Affiliates and their respective directors and officers from in any manner
      being subjected to the provisions of the Investment Company Act of 1940,
      as amended, the Investment Advisers Act of 1940, as amended, or "plan
      asset" regulations adopted under the Employee Retirement Income Security
      Act of 1974, as amended, whether or not substantially similar to plan
      asset regulations currently applied or proposed by the United States
      Department of Labor;

            (e) a change that is required or contemplated by any provision of
      this Agreement, including, without limitation, Section 10.2;

            (f) a change that in the good faith opinion of the General Partner
      does not adversely affect the Limited Partner in any material respect; or

            (g) any changes or events similar to the foregoing.

      13.2 Other Amendments. Amendments to this Agreement (other than amendments
adopted pursuant to Section 13.1) shall be effective only when approved by both
Partners.

                         ARTICLE XIV SALE OF ALL ASSETS

      Without the prior approval of the Limited Partner, the General Partner
shall not, acting on behalf of the Partnership, sell or otherwise dispose of, or
consent to the sale or other disposition of, all or substantially all of the
assets owned directly or indirectly by the Partnership.

                         ARTICLE XV GENERAL PROVISIONS

      15.1 Opinions Regarding Taxation as a Partnership. Notwithstanding any
other provisions of this Agreement, the requirement, as a condition to any
action proposed to be taken under this Agreement, that the Partnership receive
an Opinion of Counsel that the proposed action would not result in the
Partnership being treated as an association taxable as a corporation for federal
income tax purposes (a) shall not be applicable to the extent that the
Partnership is at such time treated in all material respects as an association
taxable as a corporation for federal income tax purposes and (b) shall be deemed
satisfied by an Opinion of Counsel containing conditions, limitations and
qualifications which are acceptable to the General Partner in its sole
discretion.

                                     - 22 -
<PAGE>

      15.2 Address and Notices. Any notice to the Partnership, the General
Partner or the Limited Partner shall be deemed given if received by it in
writing at the principal office of the Partnership designated pursuant to
Section 2.3.

      15.3 Headings. All article or section headings in this Agreement are for
convenience only and shall not be deemed to control or affect the meaning or
construction of any of the provisions hereof.

      15.4 Binding Effect. This Agreement shall be binding upon and inure to the
benefit of the parties hereto and their successors and assigns.

      15.5 Integration. This Agreement constitutes the entire agreement among
the parties pertaining to the subject matter hereof and supersedes all prior
agreements and understandings pertaining thereto.

      15.6 Waiver. No failure by any party to insist upon the strict performance
of any covenant, duty, agreement or condition of this Agreement or to exercise
any right or remedy consequent upon a breach thereof shall constitute waiver of
any such breach or any other covenant, duty, agreement or condition.

      15.7 Counterparts. This Agreement may be executed in any number of
counterparts, all of which together shall constitute one agreement binding on
both of the parties hereto. Each party shall become bound by this Agreement
immediately upon affixing its signature hereto.

      15.8 Severability. If any provision of this Agreement is or becomes
invalid, illegal or unenforceable in any respect, the validity, legality and
enforceability of the remaining provisions hereof, or of such provision in other
respects, shall not be affected thereby.

      15.9 Applicable Law. This Agreement shall be governed by and construed and
enforced in accordance with the laws of the State of Delaware.

                                     - 23 -
<PAGE>

      IN WITNESS WHEREOF, this Agreement has been duly executed by the Partners
as of the date first above written.

                                      BUCKEYE GP LLC,
                                               as General Partner

                                      By: /s/ Robert B. Wallace
                                          --------------------------------------
                                      Name: Robert B. Wallace
                                      Title:  Senior Vice President - Finance
                                              and Chief Financial Officer

                                      BUCKEYE PARTNERS, L.P.,
                                               as Limited Partner

                                      By: BUCKEYE GP LLC,
                                               as General Partner

                                      By: /s/ Stephen C. Muther
                                          --------------------------------------
                                      Name:   Stephen C. Muther
                                      Title:  Senior Vice President -
                                              Administration and Secretary

           [Amended and Restated Agreement of Limited Partnership of
                        Buckeye Pipe Line Company, L.P.]<PAGE>

                                                                    EXHIBIT 10.6

--------------------------------------------------------------------------------

                SECOND AMENDED AND RESTATED MANAGEMENT AGREEMENT

                          DATED AS OF DECEMBER 15, 2004

                                     BETWEEN

                         BUCKEYE PIPE LINE COMPANY, L.P.

                                       AND

                                 BUCKEYE GP LLC

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<PAGE>

                                TABLE OF CONTENTS

<TABLE>
<S>                                                                                                                <C>
Article I         Engagement of the Manager....................................................................     1

Article II        Powers and Duties of the Manager.............................................................     2

         2.01     Powers of the Manager........................................................................     2
         2.02     Duties of the Manager........................................................................     3

Article III       Liability of the Manager; Indemnification....................................................     4

         3.01     Liability of the Manager.....................................................................     4
         3.02     Indemnification..............................................................................     4

Article IV        Reimbursement................................................................................     5

Article V         No Interest Conveyed to the Manager..........................................................     6

Article VI        Termination; Successor Manager...............................................................     6

         6.01     Termination..................................................................................     6
         6.02     Successor Manager............................................................................     6

Article VII       Reports, Records and Access..................................................................     6

Article VIII      General Provisions...........................................................................     6

         8.01     Reliance by Third Parties....................................................................     6
         8.02     Address and Notices..........................................................................     6
         8.03     Headings.....................................................................................     7
         8.04     Binding Effect...............................................................................     7
         8.05     Integration..................................................................................     7
         8.06     Waiver.......................................................................................     7
         8.07     Counterparts.................................................................................     7
         8.08     Accounting Principles........................................................................     7
         8.09     Severability.................................................................................     7
         8.10     Applicable Law...............................................................................     7
</TABLE>

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                SECOND AMENDED AND RESTATED MANAGEMENT AGREEMENT

      THIS SECOND AMENDED AND RESTATED MANAGEMENT AGREEMENT (this "Agreement"),
dated as of December 15, 2004, is entered into between BUCKEYE PIPE LINE
COMPANY, L.P., a Delaware limited partnership (the "Partnership"), and BUCKEYE
GP LLC, a Delaware limited liability company (the "Manager").

                                   WITNESSETH:

      WHEREAS, the Partnership was formed to engage in any lawful activity for
which limited partnerships may be organized under the laws of the State of
Delaware;

      WHEREAS, the Partnership and Buckeye Pipe Line Company (now known as
MainLine Sub LLC, and defined herein as "Holdco") entered into an Amended and
Restated Management Agreement dated as of October 4, 2001 (the "Prior
Agreement");

      WHEREAS, Holdco assigned and transferred certain assets and liabilities,
including its interest in the Prior Agreement and its general partner interest
in the Partnership, to the Manager pursuant to a Contribution, Assignment and
Assumption Agreement dated as of the date of this Agreement; and

      WHEREAS, the Partnership and the Manager desire to amend and restate the
Prior Agreement to confirm the Partnership's engagement of the Manager to
manage, operate, direct and exercise full and exclusive control over the
business and affairs of the Partnership, and the Manager's acceptance of such
appointment, in accordance with the terms and conditions hereinafter set forth.

      NOW, THEREFORE, the parties hereto, intending to be legally bound hereby,
agree as follows:

                                    ARTICLE I
                            ENGAGEMENT OF THE MANAGER

      The Partnership hereby engages the Manager as the Partnership's managing
agent, and the Manager accepts its engagement by the Partnership, to manage,
operate, direct and exercise full and exclusive control over the business and
affairs of the Partnership, subject to the restrictions contained in this
Agreement, the Amended and Restated Agreement of Limited Partnership, dated as
of December 15, 2004, between the General Partner (as defined herein) and the
Partnership (as amended from time to time, the "Partnership Agreement"), the
Amended and Restated Agreement of Limited Partnership, dated as of December 15,
2004 (as amended from time to time, the "MLP Partnership Agreement"), between
the Manager and Buckeye Partners, L.P., a Delaware limited partnership (the
"MLP"). Individual members of the group consisting of the MLP and its
consolidated subsidiaries (including the Partnership) are referred to herein as
"Group Members."

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                                   ARTICLE II
                        POWERS AND DUTIES OF THE MANAGER

      2.01 Powers of the Manager. Subject to such limitations as may be imposed
by law, this Agreement, the Partnership Agreement or the MLP Partnership
Agreement (including any provisions relating to separateness of the Partnership
from other entities), the Manager is hereby authorized and empowered, in the
name of and on behalf of the Partnership, to do and perform any and all acts and
things which it deems appropriate or necessary in the conduct of the business
and affairs of the Partnership, including, without limitation, the following:

            (a) to lend or borrow money, to assume, guarantee or otherwise
become liable for indebtedness and other liabilities and to issue evidences of
indebtedness;

            (b) to buy, lease (as lessor or lessee), sell, mortgage, encumber or
otherwise acquire or dispose of any or all of the assets of the Partnership;

            (c) to own, use and invest the assets of the Partnership;

            (d) to purchase or sell products, services and supplies;

            (e) to make tax, regulatory and other filings with, and to render
periodic and other reports to, governmental agencies or bodies having
jurisdiction over the assets or business of the Partnership;

            (f) to open, maintain and close bank accounts and to draw checks and
other orders for the payment of money;

            (g) to negotiate, execute and perform any contracts, conveyances or
other instruments;

            (h) to make allocations of income and deductions of the Partnership
and make distributions in accordance with the Partnership Agreement;

            (i) to utilize the services of officers and employees of the Manager
or of any other entities and to select and dismiss employees (if any) and
outside attorneys, accountants, consultants and contractors;

            (j) to maintain insurance for the benefit of the Partnership and its
partners;

            (k) to form, participate in or contribute or loan cash or property
to limited or general partnerships, limited liability companies, corporations,
other entities, joint ventures or similar arrangements;

            (l) to expand the business activities in which the Partnership is
engaged or engage in new business activities by acquisition or internal
development; and

            (m) to conduct litigation and incur legal expenses and otherwise
deal with or settle claims or disputes;

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in each case at such times and upon such terms and conditions as the Manager
deems appropriate or necessary and subject to any express restrictions on such
powers as provided in the Partnership Agreement. The parties hereto acknowledge
that so long as the Manager is the general partner of the Partnership under the
Partnership Agreement (the "General Partner"), the Manager shall have and be
entitled to exercise all of the same hereunder as the General Partner is
entitled to have and entitled to exercise under the Partnership Agreement.

      2.02 Duties of the Manager. The Manager shall manage the business and
affairs of the Partnership in the manner which the Manager deems appropriate or
necessary. Without limiting the generality of the foregoing, the Manager's
duties shall include the following:

            (a) to take possession of the assets and properties of the
Partnership;

            (b) to staff and operate the business of the Partnership with the
officers and employees of the Manager or of other entities;

            (c) to render or cause to be rendered engineering, environmental and
other technical services and perform or cause to be performed financial,
accounting, logistical and other administrative functions for the Partnership;

            (d) to render such reports and make such periodic and other filings
as may be required under applicable federal, state and local laws, rules and
regulations;

            (e) to provide or cause to be provided purchasing, procurement,
repair and other services for the Partnership;

            (f) to prepare, on an annual and quarterly basis, financial
statements of the Partnership, which, in the case of annual financial
statements, shall have been audited by a nationally recognized firm of
independent certified public accountants selected by the Manager, and to furnish
to the Partnership such other information and reports concerning the conduct of
the business and affairs of the Partnership as the Partnership shall reasonably
require;

            (g) to deposit all funds of the Partnership in such account or
accounts as shall be designated by the Manager (which funds shall not be
commingled with the funds of the Manager);

            (h) to maintain records of the assets owned by the Partnership and
books of account and to make such records and books of account available for
inspection by the Partnership or its duly authorized representatives during
regular business hours at the principal office of the Manager;

            (i) to prepare and distribute in a timely manner to all partners of
the Partnership tax information reasonably required for federal, state and local
income tax reporting purposes;

            (j) to cause to be filed such certificates and to do such other acts
as may be required by law to qualify and maintain the Partnership as a limited
partnership in all relevant jurisdictions; and

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            (k) to conduct the business and affairs of the Partnership in
accordance with the Partnership Agreement and all applicable laws, rules and
regulations;

in each case in such a manner as the Manager deems appropriate or necessary.

      2.03 Outside Activities. Subject to such limitations as may be imposed
pursuant to the terms of the Partnership Agreement, the affiliates of the
Manager (but not including any Group Member) shall be entitled to and may have
business interests and engage in business activities in addition to those
relating to the business of the Partnership, including business interests and
activities in direct competition with the Partnership, for their own accounts
and for the account of others, without having or incurring any obligation to
offer any interest in such businesses or activities to the Partnership or any of
its partners. Neither the Partnership nor any of its partners shall have any
rights by virtue of this Agreement or the relationship created hereby in any
such business interests.

                                   ARTICLE III
                    LIABILITY OF THE MANAGER; INDEMNIFICATION

      3.01 Liability of the Manager. Notwithstanding anything to the contrary in
this Agreement, and except to the extent required by applicable law, neither the
Manager, any affiliate of the Manager, any person who is or was a director,
officer, manager, member, employee or agent of the Manager or any such affiliate
or any person who is or was serving at the request of the Manager or any such
affiliate as a director, officer, manager, member, partner, trustee, employee or
agent of another person (each an "Indemnitee" and collectively, the
"Indemnitees") shall be liable to the Partnership or any of its partners for any
action taken or omitted to be taken by such Indemnitee, provided that such
Indemnitee acted in good faith and such action or omission does not involve the
gross negligence or willful misconduct of such Indemnitee. The termination of
any action, suit or proceeding by judgment, order, settlement, conviction or
upon a plea of nolo contendere, or its equivalent, shall not, of itself, create
a presumption that an action or omission involves bad faith or willful
misconduct.

      3.02 Indemnification.

            (a) The Partnership shall, to the fullest extent permitted by
applicable law, indemnify each Indemnitee against expenses (including legal fees
and expenses), judgments, fines and amounts paid in settlement, actually and
reasonably incurred by such Indemnitee, in connection with any threatened,
pending or completed claim, demand, action, suit or proceeding to which such
Indemnitee was or is a party or is threatened to be made a party by reason of
the Indemnitee's status as (x) a general partner or affiliate thereof or (y) a
director, officer, manager, member, partner, employee, or agent of the Manager
or an affiliate or (z) a person serving at the request of the Manager in another
entity in a similar capacity and which relates to this Agreement or the
property, business, affairs or management of the Partnership (provided the
Indemnitee acted in good faith and the act or omission which is the basis of
such demand, claim, action, suit or proceeding does not involve the gross
negligence or willful misconduct of such Indemnitee).

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            (b) Expenses (including legal fees and expenses) incurred in
defending any proceeding subject to Section 3.02(a) shall be paid by the
Partnership in advance of the final disposition of such proceeding upon receipt
of an undertaking (which need not be secured) by or on behalf of the Indemnitee
to repay such amount if it shall ultimately be determined, by a court of
competent jurisdiction, that the Indemnitee is not entitled to be indemnified by
the Partnership as authorized hereunder.

            (c) The indemnification provided by Section 3.02(a) shall be in
addition to any other rights to which an Indemnitee may be entitled and shall
continue as to an Indemnitee who has ceased to serve in a capacity for which the
Indemnitee is entitled to indemnification and shall inure to the benefit of the
heirs, successors, assigns, administrators and personal representatives of the
Indemnitee.

            (d) To the extent commercially reasonable, the Partnership shall
purchase and maintain insurance on behalf of the Indemnitees against any
liability which may be asserted against or expense which may be incurred by such
Indemnitees in connection with the Partnership's activities, whether or not the
Partnership would have the power to indemnify such Indemnitees against such
liability under the provisions of this Agreement.

            (e) An Indemnitee shall not be denied indemnification in whole or in
part under Section 3.02(a) because the Indemnitee had an interest in the
transaction with respect to which the indemnification applies if the transaction
was otherwise permitted by the terms of this Agreement and the Partnership
Agreement.

            (f) The provisions of this Article III are for the benefit of the
Indemnitees and the heirs, successors, assigns, administrators and personal
representatives of the Indemnitees and shall not be deemed to create any rights
for the benefit of any other persons.

            (g) As used in this Agreement, the term "affiliate" means, with
respect to any person, any other person that directly or indirectly controls, is
controlled by, or is under common control with, the person in question.

                                   ARTICLE IV
                                  REIMBURSEMENT

      Except as otherwise provided in the Third Amended and Restated Exchange
Agreement, dated as of December 15, 2004, among Holdco, the Manager, the
Partnership, the MLP and other Group Members, the Partnership shall promptly
reimburse the Manager for all costs and expenses (direct or indirect) incurred
by the Manager which are directly or indirectly related to the business or
activities of the Partnership (including, without limitation, expenses, direct
or indirect, reasonably allocated to the Manager by its affiliates). The
Partnership shall also promptly reimburse any former Manager for all such costs
incurred by it after a successor becomes the Manager hereunder. If the former
Manager has been removed, these costs may include any severance costs required
as a result of such former Manager ceasing to be the Manager of the Partnership.

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                                   ARTICLE V
                       NO INTEREST CONVEYED TO THE MANAGER

      This Agreement is a management agreement only and does not convey to the
Manager any right, title or interest in or to any assets of the Partnership,
except that the Manager shall have and is hereby granted a license to enter upon
and use such assets for the purpose of performing its duties and obligations
hereunder.

                                   ARTICLE VI
                         TERMINATION; SUCCESSOR MANAGER

      6.01 Termination. Upon dissolution and liquidation of the Partnership,
this Agreement shall terminate.

      6.02 Successor Manager. In the event the General Partner withdraws or is
removed from the Partnership and a successor becomes the General Partner, the
successor General Partner shall automatically become the Manager of the
Partnership and shall succeed to all of the rights and obligations of the
Manager hereunder (provided that such succession shall not affect the rights of
any former Manager to reimbursement provided by Article IV hereof), and the
former Manager and its successor shall execute an instrument evidencing such
succession. As soon as practicable after the effective date of such succession,
the former Manager shall, at the cost and expense of the Partnership, deliver
all records, data and information pertaining to the business and affairs of the
Partnership to the successor Manager.

                                  ARTICLE VII
                           REPORTS, RECORDS AND ACCESS

      The Manager shall prepare, maintain and furnish all reports, records and
information required by the Partnership Agreement.

                                  ARTICLE VIII
                               GENERAL PROVISIONS

      8.01 Reliance by Third Parties. Notwithstanding anything to the contrary
in this Agreement, no lender, purchaser or other person shall be required to
look to the application of proceeds hereunder or to verify any representation by
the Manager as to the extent of the interest in the Partnership's assets that
the Manager is entitled to encumber, sell or otherwise use, and any such lender,
purchaser or other person shall be entitled to rely exclusively on the
representations of the Manager as to its authority to enter into such financing
or sale arrangements and shall be entitled to deal with the Manager, without
joinder of any other persons, as if it were the sole party in interest therein,
both legally and beneficially.

      8.02 Address and Notices. Any notice under this Agreement to the
Partnership or the Manager shall be deemed given if received by it in writing at
the principal office of the Partnership designated in the Partnership Agreement.

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      8.03 Headings. All article or section headings in this Agreement are for
convenience only and shall not be deemed to control or affect the meaning or
construction of any of the provisions hereof.

      8.04 Binding Effect. This Agreement shall be binding upon and inure to the
benefit of the parties hereto and their successors but shall not be assignable
except as provided in Section 6.02.

      8.05 Integration. This Agreement constitutes the entire agreement among
the parties pertaining to the subject matter hereof and supersedes all prior
agreements and understandings pertaining thereto.

      8.06 Waiver. No failure by any party to insist upon the strict performance
of any covenant, duty, agreement or condition of this Agreement or to exercise
any right or remedy consequent upon a breach thereof shall constitute a waiver
of any such breach or of any other covenant, duty, agreement or condition.

      8.07 Counterparts. This Agreement may be executed in any number of
counterparts, all of which together shall constitute one agreement binding on
the parties hereto.

      8.08 Accounting Principles. All financial reports requested to be rendered
under this Agreement shall be prepared in accordance with generally accepted
accounting principles.

      8.09 Severability. If any provision of this Agreement is or becomes
invalid, illegal or unenforceable in any respect, the validity, legality and
enforceability of the remaining provisions hereof, or of such provision in other
respects, shall not be affected thereby.

      8.10 Applicable Law. This Agreement shall be governed by and construed and
enforced in accordance with the laws of the Commonwealth of Pennsylvania.

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      IN WITNESS WHEREOF, this Agreement has been duly executed by the parties
hereto as of the date first above written.

                                    PARTNERSHIP:

                                    BUCKEYE PIPE LINE COMPANY, L.P.

                                    By: BUCKEYE GP LLC,
                                        As General Partner

                                    By: /s/ Stephen C. Muther
                                        ----------------------------------------
                                        Stephen C. Muther
                                        Senior Vice President-Administration,
                                        General Counsel and Secretary

                                    MANAGER:

                                    BUCKEYE GP LLC

                                    By: /s/ Robert B. Wallace
                                        ----------------------------------------
                                        Robert B. Wallace
                                        Senior Vice President - Finance and
                                        Chief Financial Officer

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