Document:

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                                                                    Exhibit 4.11

                                   AGREEMENT

     THIS AGREEMENT is made as of February 20, 2001, by and between Inforetech
Wireless Technology, Inc., a corporation organized under the laws of the state
of Nevada, U.S.A., with headquarters located at Suite 214, 5500-152/nd/ Street,
Surrey, British Columbia, Canada V35-8E7 (the "Company") and Augustine Fund,
L.P. an Illinois limited partnership (the "Investor").

                                   RECITALS

     A.  The Investor purchased certain securities from the Company, including
the Series A Eight Percent (8%) Convertible Note Due August 4, 2003 (the
"Note").  In connection with the purchase of such securities, including the
Note, the parties entered into certain agreements, including the Securities
Purchase Agreement, Registration Rights Agreement and Share Pledge and Security
Agreement.  In addition, the Company issued the Note and a Warrant for 100,000
shares of common stock of the Company.  The existing agreements, Note and
Warrant shall be referred to as the "Existing Documents."

     B.  In January 2001, the Company acquired ProShot Golf, Inc.  In order to
comply with U.S. securities laws and regulations of the Securities and Exchange
Commission, sales under the prospectus included in a registration statement on
Form SB-2 (File No. 333-47332) were suspended until such time as the
registration statement is amended to reflect such acquisition (the "Amended
Registration Statement") and declared effective by the SEC.

     C.  Capitalized terms not defined herein shall have the meanings ascribed
to them in the Existing Documents.

                                  AGREEMENTS

     NOW, THEREFORE, in consideration of their respective promises contained
herein and other good and valuable consideration, the receipt and sufficiency of
which are hereby acknowledged by the parties, the Company and the Investor
hereby agree as follows:

     1.  PURCHASE OF NEW STOCK

         a.  Purchase.  Upon execution by both parties of this Agreement, the
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Investor shall purchase by wire transfer and the Company promptly shall issue
80,000 shares of the Company's common stock for a purchase price of $100,000.
(These shares and the shares referenced in Section 4 below are referred to as
"New Stock.")

         b.  Investment Purposes.  The Investor is purchasing the New Stock
             -------------------
described herein for its own account for investment only and not with a view
towards, or in connection with, the public sale or distribution thereof, except
pursuant to sales registered under or exempt from the 1933 Act.  The Investor is
not purchasing the New Stock for the purpose of covering short sale positions in
the Common Stock.  The Investor agrees to offer, sell or otherwise transfer the
New Stock only (i) in accordance with the terms of this Agreement, and  (ii)
pursuant to
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registration under the 1933 Act or to an exemption from registration under the
1933 Act and any other applicable New Stock laws. The Investor does not by its
representations contained in this section agree to hold the New Stock for any
minimum or other specific term and reserves the right to dispose of the New
Stock at any time pursuant to a registration statement or in accordance with an
exemption from registration under the 1933 Act, in all cases in accordance with
applicable state and federal securities laws.

         c.  Accredited Investor Status. The Investor is an "accredited
             --------------------------
investor" as that term is defined in Rule 501 (a) of Regulation D. The Investor
has such knowledge and experience in financial and business matters that it is
capable of evaluating the merits and risks of an investment made pursuant to
this Agreement. The Investor is aware that it may be required to bear the
economic risk of an investment made pursuant to this Agreement for an indefinite
period of time, and is able to bear such risk for an indefinite period.

         d.  Reliance on Exemptions.  The Investor understands the New Stock is
             ----------------------
being offered and sold to it in reliance on specific exemptions from the
registration requirements of the applicable United States federal and state
securities laws and that the Company is relying upon the truth and accuracy of,
and the Investor's compliance with, the representations, warranties,
acknowledgments, understandings, agreements and covenants of the Investor set
forth herein in order to determine the availability of such exemptions and the
eligibility of the Investor to acquire the New Stock.

         e.  Information.  The Investor and its advisors, if any, have been
             -----------
furnished with all materials relating to the business, finances and operations
of the Company and materials relating to the offer and sale of the New Stock
that have been requested by the Investor. The Investor and its advisors, if any,
have been afforded the opportunity to ask all such questions of the Company as
they have in their discretion deemed advisable. The Investor understands that
its investment in the New Stock involves a high degree of risk.  The Investor
has sought such accounting, legal and tax advice as it has considered necessary
to an informed investment decision with respect to the investment made pursuant
to this Agreement.

         f.  No Government Review. The Investor understands that no United
             --------------------
States federal or state agency or any other government or governmental agency
has passed on or made any recommendation or endorsement of the New Stock or the
fairness or suitability of the investment in the New Stock, nor have such
authorities passed upon or endorsed the merits of the offering of the New Stock.

         g.  Transfer or Resale. The Investor understands that: (i) the New
             ------------------
Stock has not been and is not being registered under the 1933 Act or any state
securities laws, and may not be offered for sale, sold, assigned or transferred
unless either (a) subsequently registered thereunder or (b) the Investor shall
have delivered to the Company an opinion by counsel reasonably satisfactory to
the Company, in form, scope and substance reasonably satisfactory to the
Company, to the effect that the New Stock to be sold, assigned or transferred
may be sold, assigned or transferred pursuant to an exemption from such
registration, (ii) any sale of such New Stock made in reliance on Rule 144 (as
hereafter defined) may be made only in accordance with the terms of Rule 144 and
further, if Rule 144 is not applicable, any resale of such New Stock under
circumstances in which the seller (or the person though whom the sale is made)
may be deemed to be an underwriter (as that term is defined in the 1933 Act) may
require compliance with some other exemption under the 1933 Act or the rules and
regulations of the SEC

                                      -2-
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thereunder, and (iii) neither the Company nor any other person is under any
obligation to register the New Stock under the 1933 Act or any state securities
laws or to comply with the terms and conditions of any exemption thereunder (in
each case, other than pursuant to this Agreement).

         h.  Legend. The Investor understands that until such time as the New
             ------
Stock has been registered under the 1933 Act or otherwise may be resold by the
Investor pursuant to Rule 144 (as amended, or any applicable rule which operates
to replace said Rule) promulgated under the 1933 Act, the stock certificates
representing the New Stock will bear a restrictive legend (the "Legend") in
substantially the following form:

     THE NEW STOCK REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE NEW
STOCK ACT OF 1933, AS AMENDED (THE "ACT"), OR APPLICABLE STATE SECURITIES
LAWS(COLLECTIVELY, THE "LAWS").  THE NEW STOCK HAVE BEEN ACQUIRED FOR INVESTMENT
AND MAY NOT BE OFFERED FOR SALE, SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF
EITHER (I) AN EFFECTIVE REGISTRATION STATEMENT FOR THE NEW STOCK UNDER THE LAWS,
OR (II) AN OPINION OF COUNSEL PROVIDED TO THE ISSUER IN FORM, SUBSTANCE AND
SCOPE REASONABLY ACCEPTABLE TO THE ISSUER TO THE EFFECT THAT REGISTRATION IS NOT
REQUIRED UNDER THE LAWS DUE TO AN AVAILABLE EXCEPTION TO OR EXEMPTION FROM THE
REGISTRATION REQUIREMENTS OF THE LAWS.

     The Legend shall be removed and the Company will issue certificates without
the Legend to the holder of the New Stock upon which the Legend is stamped, in
accordance with Section 1(g) above.

         i.  Authorization; Enforcement. This Agreement has been duly and
             --------------------------
validly authorized, executed and delivered by the Investor and is a valid and
binding agreement of the Investor enforceable in accordance with its terms,
subject as to enforceability to general principles of equity and to bankruptcy,
insolvency, moratorium, and other similar laws affecting the enforcement of
creditors' rights generally.

     2.  CONTRACTUAL "BLACK-OUT" PERIOD.  The parties agree to delete any and
all restrictions on conversion set forth in the first paragraph of Section 5(c)
in the Securities Purchase Agreement and the first and third paragraphs of
Section 4(a) of the Note.  It is the intention of the parties to remove all
conversion restrictions relating to the Price Floors.

     3.  REVISED CONVERSION TERMS.  The parties agree that subsection (y) of
Section 4(a) of the Note shall be deleted and replaced with the following
language:  "75% of the lowest three closing bid prices during the ten (10)
trading days immediately preceding the conversion date (as hereinafter defined),
as quoted by Bloomberg."

     4.  SHARES IN AMENDED REGISTRATION STATEMENT.  The Company agrees to
register no less than 150% of that number of shares of its common stock issuable
if the Investor were to convert as of the date of filing its entire Note into
shares of common stock in the Amended Registration Statement for the purpose of
resales by the Investor.  The Company also agrees not to add any selling
security holders to the Amended Registration Statement other than those included
in the registration statement as originally filed.

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     5.  ADDITIONAL COMMON SHARES.  As referenced in Recital B. above, the
Company intends to file the Amended Registration Statement and cause it to
become effective.  In the event the Amended Registration Statement is declared
effective by the SEC no later than April 2, 2001, and such Amended Registration
Statement includes at least that number of shares issuable if the Investor were
to convert its entire Note into shares of common stock, the Investor shall
purchase by wire transfer and the Company promptly shall issue 80,000 shares of
the Company's common stock for a purchase price of $100,000.  The same
representations, warranties and covenants of the Investor set forth in Section 1
of this Agreement shall apply with equal force to this Section.  In the event
all of the conditions cited are not met, the Investor shall have no obligation
to purchase such shares of the Company's common stock.

     6.  PIGGY-BACK REGISTRATION RIGHTS.  With respect to the common shares
purchased by the Investor pursuant to Sections 1 and 4 of this Agreement, the
Company hereby grants the Investor so-called "piggy-back" registration rights,
i.e., agrees to include the New Stock in the next registration statement filed
by the Company which is an appropriate form for the registration of the resale
by selling stockholders of securities of the Company.

     7.  The Investor hereby grants the Company the redemption right which is
set forth in Section 4(b) of the Note.  Such redemption right shall be granted
for a period of 180 days from the date hereof and without regard to the previous
day's closing price of the Company's common stock.  All other conditions and
provisions of the redemption right set forth in section 4(b) of the Note shall
continue in force.

     IN WITNESS WHEREOF, the Company and the Investor have caused this Agreement
to be duly executed as of the date first above written.

                                     COMPANY:

                                     Inforetech Wireless Technology, Inc.

                                     By:_____________________________________

                                     ________________________________________
                                                      Title

                                     INVESTOR:
                                     Augustine Fund, L.P.

                                     By:  Augustine Capital Management, L.L.C.,
                                            Its General Partner

                                     By:_____________________________________

                                     ________________________________________

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                                                      Title

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                CONTRIBUTION, ASSIGNMENT AND AMENDMENT AGREEMENT

     THIS CONTRIBUTION, ASSIGNMENT AND AMENDMENT AGREEMENT, dated as of June 27,
2001, is entered into by and among Plains All American Pipeline, L.P., a
Delaware limited partnership (the "MLP"); Plains Marketing, L.P., a Delaware
limited partnership ("Plains Marketing"); All American Pipeline, L.P., a Texas
limited partnership ("All American"); Plains AAP, L.P., a Delaware limited
partnership ("Plains AAP"); Plains All American GP LLC ("Plains GP LLC"); and
Plains Marketing GP, Inc., a Delaware corporation ("GP Inc.").  Plains Marketing
and All American are sometimes referred to herein collectively as the "OLPs" and
individually as an "OLP."

                                    RECITALS

     WHEREAS, each of the MLP and Plains Marketing were formed under the
Delaware Revised Uniform Limited Partnership Act (the "Delaware Act"), All
American was formed under the Texas Revised Limited Partnership Act (the "Texas
Act") and Plains AAP acts as sole general partner of each of the MLP and the
OLPs;

     WHEREAS, Plains AAP owns a 1% general partner interest in the MLP, a
1.0101% general partner interest in Plains Marketing and a 0.001% general
partner interest in All American;

     WHEREAS, the Board of Directors of Plains GP LLC, in its capacity as
the general partner of Plains AAP, has determined that it would be in the best
interests of Plains GP LLC, Plains AAP and the MLP to contribute Plains AAP's
interests in each of the OLPs to, and to cause GP Inc. to become a wholly-owned
corporate subsidiary of the MLP;

     WHEREAS, in order to accomplish the objectives and purposes in the
preceding recital, prior to the date hereof, Plains AAP has formed GP Inc. and
contributed $1,000 in exchange for all of the capital stock in GP Inc.;

     NOW, THEREFORE, in consideration of their mutual undertakings and
agreements hereunder, the parties to this Agreement undertake and agree as
follows:

                                   ARTICLE I

                                  Definitions

     1.1  Definitions.  In addition to the capitalized terms defined in the
opening paragraph of this Agreement,  the following capitalized terms shall have
the meanings given below.

     "Additional OLP Limited Partner Interests" has the meaning set forth in
Section 2.1.

     "Agreement" means this Contribution, Assignment and Amendment Agreement.

     "All American Partnership Agreement" means the Amended and Restated
Agreement of Limited Partnership of All American Pipeline, L.P. dated as of
November 23, 1998, as the same may be amended or restated pursuant to the terms
hereof.

     "Delaware Act" has the meaning assigned to such term in the Recitals to
this Agreement.

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     "GP Inc. Common Stock" has the meaning set forth in Section 2.2.

     "Laws" means any and all laws, statutes, ordinances, rules or
regulations promulgated by a governmental authority, orders of a governmental
authority, judicial decisions, decisions of arbitrators or determinations of any
governmental authority or court.

     "MLP Partnership Agreement" means the Second Amended and Restated
Agreement of Limited Partnership of Plains All American Pipeline, L.P. dated as
of November 23, 1998, as the same may be amended or restated pursuant to the
terms hereof.

     "OLP Excess Liabilities" means any liability of GP Inc., whether as
general partner of an OLP or pursuant to the assumption by GP Inc. of
liabilities and obligations of an OLP pursuant to Section 4.1, for liabilities
of each OLP existing at the time of the assignment of the Revised OLP General
Partner Interests to GP Inc. pursuant to Section 2.1, but only to the extent of
the liabilities for which Plains All American Inc. has agreed to indemnify
Plains AAP and Plains GP LLC pursuant to that certain Contribution, Assignment
and Amendment Agreement dated as of June 8, 2001 among Plains All American Inc.,
Plains AAP and Plains GP LLC.

     "Plains Marketing Partnership Agreement"  means the Amended and
Restated Agreement of Limited Partnership of Plains Marketing, L.P. dated as of
November 23, 1998, as the same may be amended or restated pursuant to the terms
hereof.

     "Revised OLP General Partner Interests" has the meaning set forth in
Section 2.1.

     "Texas Act" has the meaning assigned to such term in the Recitals to
this Agreement.

                                   ARTICLE II

           Contributions of Various Assets and Partnership Interests

     2.1  Contribution by Plains AAP to GP Inc.  Plains AAP hereby grants,
contributes, transfers and conveys to GP Inc., its successors and assigns, all
right, title and interest in and to a .001% general partner interest in each of
the OLPs (the "Revised OLP General Partner Interests") and GP Inc. hereby
accepts the Revised OLP General Partner Interests as a contribution to the
capital of GP Inc.

     TO HAVE AND TO HOLD the Revised OLP General Partner Interests unto GP Inc.,
its successors and assigns, together with all and singular the rights and
appurtenances thereto in anywise belonging, subject, however, to the terms and
conditions stated in this Agreement, forever.

     Plains Marketing and All American each acknowledge receipt of the opinion
of counsel required in Section 4.2(b) of the Plains Marketing Partnership
Agreement and the All American Partnership Agreement, respectively.

     2.2  Contributions by Plains AAP to the MLP.  Effective immediately
following the contribution and assignment set forth in Section 2.1, Plains AAP
hereby grants, contributes, transfers, assigns and conveys to the MLP, its
successors and assigns, all right, title and interest of Plains AAP in and to
(i) all the issued and outstanding capital stock of GP Inc., consisting of 100
shares of common stock, par value $.01 per share (the "GP Inc. Common Stock")
and (ii) its remaining partnership interest in Plains Marketing, which interest,
following the assignment of the Revised OLP General Partner Interests pursuant
to Section 2.1 and the recharacterization of such

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remaining interest as limited partner interests as a result of the amendments
adopted in Sections 5.1 and 5.2 hereof, consist of a 1.0091% limited partner
interest in Plains Marketing (the "Additional OLP Limited Partner Interest"),
and the MLP hereby accepts the GP Inc. Common Stock and the Additional OLP
Limited Partner Interest, as a contribution to the capital of the MLP and in
exchange for the increase in the general partner interest of Plains AAP in the
MLP as set forth in Section 5.3 hereof.

     TO HAVE AND TO HOLD the GP Inc. Common Stock and the Additional OLP Limited
Partner Interest unto the MLP, its successors and assigns, together with all and
singular the rights and appurtenances thereto in anywise belonging, subject,
however, to the terms and conditions stated in this Agreement, forever.

     2.3  Further Assurances.  From time to time after the date hereof, and
without any further consideration, Plains GP LLC, in its capacity as general
partner of Plains AAP, shall execute, acknowledge and deliver all such
additional assignments, stock powers, instruments, notices, releases,
acquittances and other documents, and will do all such other acts and things,
all in accordance with applicable law, as may be necessary or appropriate (i)
more fully and effectively to assure GP Inc., its successors and assigns, all of
the properties, rights, titles, interests, estates, remedies, powers and
privileges by this Agreement granted to GP Inc. with respect to the Revised OLP
General  Partner Interests and the Additional OLP Limited Partner Interest or
which are intended so to be and (ii) more fully and effectively to vest in the
MLP, its successors and assigns, beneficial and record title to the GP Inc.
Common Stock, the Revised OLP Limited Partner Interests and the Additional OLP
Limited Partner Interest hereby contributed and assigned to the MLP or intended
so to be and to more fully and effectively carry out the purposes and intent of
this Agreement.

                                  ARTICLE III

                   Succession of General Partner of the OLPs

     3.1  Withdrawal of Plains AAP as General Partner of OLPs.  Effective
immediately prior to the contribution of the Revised OLP General Partner
Interests pursuant to Section 2.1 and, pursuant to Section 11.1 of each of the
Plains Marketing Partnership Agreement and the All American Partnership
Agreement, Plains AAP hereby withdraws as general partner of each of the OLPs
and proposes GP Inc. to act and serve as sole general partner of each of the
OLPs.  Plains Marketing and All American each acknowledge receipt of the opinion
of counsel required in Section 11.1(b) of the Plains Marketing Partnership
Agreement and the All American Partnership Agreement, respectively.

     3.2  GP Inc. as Successor General Partner of OLPs.  Effective immediately
prior to the later of (i) GP Inc.'s acceptance of the contributions to GP Inc.
of the Revised OLP General Partner Interests pursuant to Section 2.1 and (ii)
the withdrawal of Plains AAP as general partner of each of the OLPs, GP Inc.
accepts and agrees to duly and timely pay, perform and discharge the rights,
duties  and obligations of the general partner of each of the OLPs and all of
the terms and conditions of each of the Plains Marketing Partnership Agreement
and the All American Partnership Agreement in accordance with Section 10.4 of
each of the Plains Marketing Partnership Agreement and the All American
Partnership Agreement, and GP Inc. agrees to serve as general partner of each of
the OLPs and to be bound by each of the Plains Marketing Partnership Agreement
and the All American Partnership Agreement (and, to the extent applicable, the
MLP Partnership Agreement), as each is

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amended by this Agreement or as may be further amended by the terms of the
respective partnership agreement, and GP Inc. is hereby admitted as the
successor general partner of each of Plains Marketing and All American.

                                   ARTICLE IV

           Assumption of and Indemnification for Certain Liabilities

     4.1  Assumption of Certain Liabilities and Obligations of Plains AAP by GP
Inc.  In connection with the transfer of the Revised OLP General Partner
Interests and the succession by GP Inc. as general partner of each of the OLPs,
GP Inc. hereby assumes and agrees to duly and timely pay, perform and discharge
all liabilities and obligations of each OLP to the full extent (and only to the
extent) that Plains AAP, as general partner of such OLP, has been or would have
been in the future, were it not for the execution and delivery of this
Agreement, obligated to pay, perform and discharge such liabilities and
obligations; provided, however, that such assumption by GP Inc. is subject to
the indemnification provided in Section 4.2.

     4.2  Indemnification of GP Inc.  Upon the transfer of the Revised OLP
General Partner Interests to GP inc. pursuant to Section 2.1 hereof, the MLP
hereby indemnifies, defends and holds harmless GP Inc. from and against any and
all claims, demands, costs, liabilities and expenses (including court costs and
reasonable attorneys' fees) arising from or relating to the OLP Excess
Liabilities.

                                   ARTICLE V

                      Amendments to Partnership Agreements

     5.1  Amendments to Plains Marketing Partnership Agreement.  In order to
further the purposes of this Agreement, each of Plains AAP, as withdrawing
general partner of Plains Marketing, GP Inc., as successor general partner of
Plains Marketing, and the MLP, as limited partner of Plains Marketing, hereby
approve and adopt the following amendments to the Plains Marketing Partnership
Agreement in accordance with Article XIII thereof:

     (a) Article I - Definitions is hereby amended by amending the definition of
the following term to read in its entirety as follows:

          "Percentage Interest" means as of the date of such determination (a)
     as to the General Partner, 0.001% and (b) as to the MLP, 99.999%.

     (b) Section 4.2 is hereby amended to read in its entirety as follows:

          "Section 4.2  Transfer of General Partner's Partnership Interest.

          No provision of this Agreement shall be construed to prevent (and the
     Limited Partners do hereby expressly consent to) (i) the transfer by the
     General Partner of all or a portion of its General Partner Interest to one
     or more Affiliates, which transferred General Partner Interest, to the
     extent not transferred to a successor General Partner, shall constitute a
     Limited Partner Interest or (ii) the transfer by the General Partner of all
     its General Partner Interest upon its merger, consolidation or other
     combination into any other Person or the transfer by it of all or
     substantially all of its assets to another Person if, in the case of a
     transfer described in either clause (i) or (ii) of this sentence, the
     rights and duties of the General Partner with respect to the

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     General Partner Interest so transferred (or the rights and duties of a
     Limited Partner with respect to the Limited Partner Interest so
     transferred) are assumed by the transferee and the transferee agrees to be
     bound by the provisions of this Agreement and the MLP Partnership
     Agreement; provided, that in either such case, such transferee furnishes to
     the Partnership an Opinion of Counsel that such merger, consolidation,
     combination, transfer or assumption will not result in a loss of limited
     liability of the Limited Partners or cause the Partnership to be taxable as
     a corporation or otherwise taxed as an entity for federal income tax
     purposes. In the case of a transfer pursuant to this Section 4.2(b) to a
     Person proposed as a successor general partner of the Partnership, the
     transferee or successor (as the case may be) shall be admitted to the
     Partnership as the General Partner immediately prior to the transfer of the
     Partnership Interest, and the business of the Partnership shall continue
     without dissolution."

     (c) Section 6.1(a)(ii) is hereby amended to read in its entirety as
follows:

          "Second, 100% to the General Partner and the Limited Partners in
     accordance with their respective Percentage Interests."

     (d) Section 6.1(b)(i) is hereby amended to read in its entirety as follows:

          "First, 100% to the General Partner and the Limited Partners in
     accordance with their respective Percentage Interests; provided, however,
     that the Net Losses shall not be allocated to a Limited Partner pursuant to
     this Section 6.1(b)(i) to the extent that such allocation would cause a
     Limited Partner to have deficit balance in its Adjusted Capital Account at
     the end of such taxable year (or increase any existing deficit balance in
     such Limited Partner's Adjusted Capital Account);"

     (e) Section 6.1(c)(i)(B) is hereby amended to read in its entirety as
follows:

          "Second, 100% to the General Partner and the Limited Partners in
     accordance with their respective Percentage Interests."

     (f) Section 11.3 is hereby amended to read in its entirety as follows:

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     "Section 11.3  Interest of Departing Partner and Successor General Partner.
     The Partnership Interest of a Departing Partner departing as a result of
     withdrawal or removal pursuant to Section 11.1 or 11.2 shall (unless it is
     otherwise required to be converted into Units pursuant to Section 11.3(b)
     of the MLP Partnership Agreement) be purchased by the successor to the
     Departing Partner for cash in amount equal to the fair market value of the
     Departing Partner's Partnership Interest, determined as of the effective
     date of its departure in the manner specified in the MLP Partnership
     Agreement.  Such purchase (or conversion into Units, as applicable) shall
     be a condition to the admission to the Partnership of the Successor as the
     General Partner.  Notwithstanding the foregoing, an assignment of all or
     any portion of a General Partner's (or Departing General Partner's)
     Partnership Interest to the MLP as Limited Partner, or to any other Person
     (other than an individual) the ownership interest of which is then
     transferred to the MLP, can be made in exchange for an increased interest
     in the MLP and in lieu of a cash purchase."

     5.2  Amendments to All American Partnership Agreement.  In order to further
the purposes of this Agreement, each of Plains AAP, as withdrawing general
partner of All American, GP Inc., as successor general partner of All American,
and Plains Marketing, as limited partner of All American, hereby approve and
adopt the following amendments to the All American Partnership Agreement in
accordance with Article XIII thereof:

     (a) Article II - Definitions is hereby amended by amending the definition
of the following term to read in its entirety as follows:

          "Percentage Interest" means as of the date of such determination (a)
     as to the General Partner, 0.001% and (b) as to Plains Marketing, 99.999%.

     (b) Section 4.2 is hereby amended to read in its entirety as follows:

     "Section 4.2  Transfer of General Partner's Partnership Interest.

          No provision of this Agreement shall, be construed to prevent (and the
     Limited Partners do hereby expressly consent to) (i) the transfer by the
     General Partner of all or a portion of its General Partner Interest to one
     or more Affiliates, which transferred General Partner Interest, to the
     extent not transferred to a successor General Partner, shall constitute a
     Limited Partner Interest or (ii) the transfer by the General Partner of all
     its General Partner Interest upon its merger, consolidation or other
     combination into any other Person or the transfer by it of all or
     substantially all of its assets to another Person if, in the case of a
     transfer described in either clause (i) or (ii) of this sentence, the
     rights and duties of the General Partner with respect to the General
     Partner Interest so transferred (or the rights and duties of a Limited
     Partner with respect to the Limited Partner Interest so transferred) are
     assumed by the transferee and the transferee agrees to be bound by the
     provisions of this Agreement and the MLP Partnership Agreement; provided,
     that in either such case, such transferee furnishes to the Partnership an
     Opinion of Counsel that such merger, consolidation, combination, transfer
     or assumption will not result in a loss of limited liability of the Limited
     Partners or cause the Partnership to be taxable as a corporation or
     otherwise taxed as an entity for federal income tax purposes.  In the

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     case of a transfer pursuant to this Section 4.2(b) to a Person proposed as
     a successor general partner of the Partnership, the transferee or successor
     (as the case may be) shall be admitted to the Partnership as the General
     Partner immediately prior to the transfer of the Partnership Interest, and
     the business of the Partnership shall continue without dissolution."

     (c) Section 6.1(a)(ii) is hereby amended to read in its entirety as
follows:

          "Second, 100% to the General Partner and the Limited Partners in
     accordance with their respective Percentage Interests."

     (d) Section 6.1(b)(i) is hereby amended to read in its entirety as follows:

          "First, 100% to the General Partner and the Limited Partners in
     accordance with their respective Percentage Interests; provided, however,
     that the Net Losses shall not be allocated to a Limited Partner pursuant to
     this Section 6.1(b)(i) to the extent that such allocation would cause a
     Limited Partner to have deficit balance in its Adjusted Capital Account at
     the end of such taxable year (or increase any existing deficit balance in
     such Limited Partner's Adjusted Capital Account);"

     (e) Section 6.1(c)(i)(B) is hereby amended to read in its entirety as
follows:

          "Second, 100% to the General Partner and the Limited Partners in
     accordance with their respective Percentage Interests."

     (f) Section 11.3 is hereby amended to read in its entirety as follows:

     "Section 11.3  Interest of Departing Partner and Successor General Partner.
     The Partnership Interest of a Departing Partner departing as a result of
     withdrawal or removal pursuant to Section 11.1 or 11.2 shall (unless it is
     otherwise required to be converted into Units pursuant to Section 11.3(b)
     of the MLP Partnership Agreement) be purchased by the successor to the
     Departing Partner for cash in amount equal to the fair market value of the
     Departing Partner's Partnership Interest, determined as of the effective
     date of its departure in the manner specified in the MLP Partnership
     Agreement.  Such purchase (or conversion into Units, as applicable) shall
     be a condition to the admission to the Partnership of the Successor as the
     General Partner.  Notwithstanding the foregoing, an assignment of all or
     any portion of a General Partner's (or Departing General Partner's)
     Partnership Interest to the MLP as Limited Partner, or to any other Person
     (other than an individual) the ownership interest of which is then
     transferred to the MLP, can be made in exchange for an increased interest
     in the MLP and in lieu of a cash purchase."

     5.3  Amendments to MLP Partnership Agreement.  In order to further the
purposes of this Agreement and to evidence the increased interest of the general
partner in the MLP issued in exchange for the contributions to the MLP made
pursuant to Section 2.2 hereof, Plains AAP, as general partner of the MLP,
having determined that the following amendments would not materially adversely
affect the limited partners of the MLP or have a material adverse effect on the
holders of

                                       7
<PAGE>

any class of the MLP's outstanding LP units, hereby exercises its rights and
powers to amend the MLP Partnership Agreement without the approval of any
limited partner or assignee pursuant to Section 13.1(d)(i) of the MLP
Partnership Agreement, hereby approves and adopts the following amendments to
the MLP Partnership Agreement in accordance with Article XIII thereof:

     (a) Section 1.1 is hereby amended by amending the definitions of the
following terms to read in their entirety as follows:

          "Operating Partnerships" means Plains Marketing, L.P., a Delaware
     limited partnership, All American Pipeline, L.P., a Texas limited
     partnership, and such other Persons that are majority-owned by the
     Partnership and controlled by the Partnership (whether by direct or
     indirect ownership of the general partner of such Person or otherwise) and
     established or acquired for the purpose of conducting the business of the
     Partnership.

          "Operating Partnership Agreements" means the agreements of limited
     partnership of any Operating Partnerships that are limited partnerships, or
     any limited liability company agreements of any Operating Partnerships that
     are limited liability companies that are treated as partnerships for
     federal income tax purposes, as such may be amended, supplemented or
     restated from time to time.

          "Percentage Interest" means as of the date of such determination (a)
     as to the General Partner, 2% and (b) as to any Limited Partner or Assignee
     holding Units, the product of (i) 98% multiplied by (ii) the quotient of
     (x) the number of Units held by such Limited Partner or Assignee divided by
     (y) the total number of all Units then Outstanding; provided, however, that
     following any issuance of additional Units by the Partnership in accordance
     with Section 5.6 hereof, proper adjustment shall be made to the Percentage
     Interest represented by each Unit to reflect such issuance.

     (b) Section 6.1(c)(i) is hereby amended to read in its entirety as follows:

          "(i)  If a Net Termination Gain is recognized (or deemed recognized
     pursuant to Section 5.5(d)), such Net Termination Gain shall be allocated
     between the General Partner and the Limited Partners in the following
     manner (and the Capital Accounts of the Partners shall be increased by the
     amount so allocated in each of the following subclauses, in the order
     listed, before an allocation is made pursuant to the next succeeding
     subclause):

                (A) First, to each Partner having a deficit balance in its
          Capital Account, in the proportion that such deficit balance bears to
          the total deficit balances in the Capital Accounts of all Partners,
          until each such Partner has been allocated Net Termination Gain equal
          to any such deficit balance in its Capital Account;

                (B) Second, 100% to the General Partner and to all Limited
          Partners, in accordance with their respective Percentage Interests,
          until the Capital Account in respect of each Unit then Outstanding is
          equal to the sum of (1) its Unrecovered Capital plus (2) the Minimum
          Quarterly Distribution for the Quarter during which the Liquidation
          Date occurs, reduced by any distribution pursuant to Section 6.4(a)(i)
          or (b)(i) with respect to such

                                       8
<PAGE>

          Common Unit for such Quarter (the amount determined pursuant to this
          clause (2) is hereinafter defined as the "Unpaid MQD") plus (3) any
          then existing Cumulative Common Unit Arrearage;

                (C) Third, if such Net Termination Gain is recognized (or is
          deemed to be recognized) prior to the expiration of the Subordination
          Period, 100% to the General Partner and to all Limited Partners, in
          accordance with their respective Percentage Interests until the
          Capital Account in respect of each Subordinated Unit then Outstanding
          equals the sum of (1) its Unrecovered Capital, determined for the
          taxable year (or portion thereof) to which this allocation of gain
          relates, plus (2) the Minimum Quarterly Distribution for the Quarter
          during which the Liquidation Date occurs, reduced by any distribution
          pursuant to Section 6.4(a)(iii) with respect to such Subordinated Unit
          for such Quarter;

                (D) Fourth, 85% to all Unitholders, Pro Rata, 13% to the
          holders of the Incentive Distribution Rights, Pro Rata, and 2% to the
          General Partner until the Capital Account in respect of each Common
          Unit then Outstanding is equal to the sum of (1) its Unrecovered
          Capital, plus (2) the Unpaid MQD, plus (3) any then existing
          Cumulative Common Unit Arrearage, plus (4) the excess of (aa) the
          First Target Distribution less the Minimum Quarterly Distribution for
          each Quarter of the Partnership's existence over (bb) the cumulative
          per Unit amount of any distributions of Operating Surplus that was
          distributed pursuant to Sections 6.4(a)(iv) and 6.4(b)(ii) (the sum of
          (1) plus (2) plus (3) plus (4) is hereinafter defined as the "First
          Liquidation Target Amount");

                (E) Fifth, 75% to all Unitholders, Pro Rata, 23% to the holders
          of the Incentive Distribution Rights, Pro Rata, and 2% to the General
          Partner until the Capital Account in respect of each Common Unit then
          Outstanding is equal to the sum of (1) the First Liquidation Target
          Amount, plus (2) the excess of (aa) the Second Target Distribution
          less the First Target Distribution for each Quarter of the
          Partnership's existence over (bb) the cumulative per Unit amount of
          any distributions of Operating Surplus that was distributed pursuant
          to Sections 6.4(a)(v) and 6.4(b)(iii) (the sum of (1) plus (2) is
          hereinafter defined as the "Second Liquidation Target Amount"); and

                (F) Finally, any remaining amount 50% to all Unitholders, Pro
          Rata, 48% to the holders of the Incentive Distribution Rights, Pro
          Rata, and 2% to the General Partner."

     (c)  Section 5.2(b) is hereby amended to read in its entirety as follows:

          "(b) Upon the issuance of any additional Limited Partner Interests by
     the Partnership, the General Partner shall be required to make additional
     Capital

                                       9
<PAGE>

Contributions equal to 2% of any amount contributed to the Partnership by the
Limited Partners in exchange for such additional Limited Partner Interests.
Except as set forth in the immediately preceding sentence and Article XII, the
General Partner shall not be obligated to make any additional Capital
Contributions to the Partnership."

     (d)  Sections 6.4 and 6.5 are hereby amended to read in their entirety as
follows:

     "Section 6.4  Distributions of Available Cash from Operating Surplus.

     (a) During Subordination Period. Available Cash with respect to any Quarter
within the Subordination Period that is deemed to be Operating Surplus pursuant
to the provisions of Section 6.3 or 6.5 shall, subject to Section 17-607 of the
Delaware Act, be distributed as follows, except as otherwise required by Section
5.6(b) in respect of additional Partnership Securities issued pursuant thereto:

         (i) First, 98% to the Unitholders holding Common Units, Pro Rata, and
     2% to the General Partner until there has been distributed in respect of
     each Common Unit then Outstanding an amount equal to the Minimum Quarterly
     Distribution for such Quarter;

         (ii) Second, 98% to the Unitholders holding Common Units, Pro Rata, and
     2% to the General Partner until there has been distributed in respect of
     each Common Unit then Outstanding an amount equal to the Cumulative Common
     Unit Arrearage existing with respect to such Quarter;

         (iii) Third, 98% to the Unitholders holding Subordinated Units, Pro
     Rata, and 2% to the General Partner until there has been distributed in
     respect of each Subordinated Unit then Outstanding an amount equal to the
     Minimum Quarterly Distribution for such Quarter;

         (iv) Fourth, 85% to all Unitholders, Pro Rata, 13% to the holders of
     the Incentive Distribution Rights, Pro Rata, and 2% to the General Partner
     until there has been distributed in respect of each Unit then Outstanding
     an amount equal to the excess of the First Target Distribution over the
     Minimum Quarterly Distribution for such Quarter;

         (v) Fifth, 75% to all Unitholders, Pro Rata, 23% to the holders of
     the Incentive Distribution Rights, Pro Rata, and 2% to the General Partner
     until there has been distributed in respect of each Unit then Outstanding
     an amount equal to the excess of the Second Target Distribution over the
     First Target Distribution for such Quarter; and

         (vi) Thereafter, 50% to all Unitholders, Pro Rata, 48% to the holders
     of the Incentive Distribution Rights, Pro Rata, and 2% to the General
     Partner;

provided, however, if the Minimum Quarterly Distribution, the First Target
Distribution and the Second Target Distribution have been reduced to zero
pursuant to the second sentence of Section 6.6(a), the distribution of Available
Cash that is deemed to be Operating Surplus with respect to any Quarter will be
made solely in accordance with Section 6.4(a)(vi).

                                       10
<PAGE>

     (b) After Subordination Period. Available Cash with respect to any Quarter
after the Subordination Period that is deemed to be Operating Surplus pursuant
to the provisions of Section 6.3 or 6.5, subject to Section 17-607 of the
Delaware Act, shall be distributed as follows, except as otherwise required by
Section 5.6(b) in respect of additional Partnership Securities issued pursuant
thereto:

         (i) First, 98% to all Unitholders, Pro Rata, and 2% to the General
     Partner until there has been distributed in respect of each Unit then
     Outstanding an amount equal to the Minimum Quarterly Distribution for such
     Quarter;

         (ii) Second, 85% to all Unitholders, Pro Rata, and 13% to the holders
     of the Incentive Distribution Rights, Pro Rata, and 2% to the General
     Partner until there has been distributed in respect of each Unit then
     Outstanding an amount equal to the excess of the First Target Distribution
     over the Minimum Quarterly Distribution for such Quarter;

         (iii) (iii) Third, 75% to all Unitholders, Pro Rata, and 23% to the
     holders of the Incentive Distribution Rights, Pro Rata, and 2% to the
     General Partner until there has been distributed in respect of each Unit
     then Outstanding an amount equal to the excess of the Second Target
     Distribution over the First Target Distribution for such Quarter; and

         (iv) Thereafter, 50% to all Unitholders, Pro Rata, and 48% to the
     holders of the Incentive Distribution Rights, Pro Rata, and 2% to the
     General Partner;

     provided, however, if the Minimum Quarterly Distribution, the First Target
     Distribution and the Second Target Distribution have been reduced to zero
     pursuant to the second sentence of Section 6.6(a), the distribution of
     Available Cash that is deemed to be Operating Surplus with respect to any
     Quarter will be made solely in accordance with Section 6.4(b)(iv).

     Section 6.5  Distributions of Available Cash from Capital Surplus.

          Available Cash that is deemed to be Capital Surplus pursuant to the
     provisions of Section 6.3(a) shall, subject to Section 17-607 of the
     Delaware Act, be distributed, unless the provisions of Section 6.3 require
     otherwise, 98% to all Unitholders, Pro Rata, and 2% to the General Partner
     until a hypothetical holder of a Common Unit acquired on the Closing Date
     has received with respect to such Common Unit, during the period since the
     Closing Date through such date, distributions of Available Cash that are
     deemed to be Capital Surplus in an aggregate amount equal to the Initial
     Unit Price.  Available Cash that is deemed to be Capital Surplus shall then
     be distributed 98% to all Unitholders holding Common Units, Pro Rata, and
     2% to the General Partner until there has been distributed in respect of
     each Common Unit then Outstanding an amount equal to the Cumulative Common
     Unit Arrearage.  Thereafter, all Available Cash shall be distributed as if
     it were Operating Surplus and shall be distributed in accordance with
     Section 6.4."

     5.4  Restatement of Partnership Agreements.  Each of the partners of the
MLP and the OLPs that is a party hereto agrees to execute and deliver a restated
and amended version of each of the MLP Partnership Agreement, the Plains
Marketing Partnership Agreement and the All American

                                       11
<PAGE>

Partnership Agreement to which it is a party incorporating the amendments to
such agreement adopted by this Agreement together with such other amendments
intended to clarify the agreement as the general partner of such limited
partnership determines as are appropriate and not having a material adverse
effect on the limited partners of the partnership, and in the case of the MLP,
the holders of outstanding Units therein.

                                   ARTICLE VI

                                 Miscellaneous

     6.1  Other Assurances.  From time to time after the date hereof, and
without any further consideration, each of the parties to this Agreement shall
execute, acknowledge and deliver all such additional instruments, notices and
other documents, and will do all such other acts and things, all in accordance
with applicable law, as may be necessary or appropriate to more fully and
effectively carry out the purposes and intent of this Agreement.

     6.2  Consents; Restriction on Assignment.  If there are prohibitions
against or conditions to the contribution and assignment of one or more portions
of the assets contributed pursuant to Sections 2.1 and 2.2 without the prior
written consent of third parties, including, without limitation, governmental
agencies (other than consents of a ministerial nature that are normally granted
in the ordinary course of business), which if not satisfied would result in a
breach of such prohibitions or conditions or would give an outside party the
right to terminate the MLP's or GP Inc.'s rights with respect to such portion of
the contributed assets (herein called a "Restriction"), then any provision
contained in this Agreement to the contrary notwithstanding, the transfer of
title to or interest in each such portion of the contributed assets (herein
called the "Restriction-Asset") pursuant to this Agreement shall not become
effective unless and until such Restriction is satisfied, waived or no longer
applies.  When and if such a Restriction is so satisfied, waived or no longer
applies, to the extent permitted by applicable law and any applicable
contractual provisions, the assignment of the Restriction-Asset subject thereto
shall become effective automatically without further action on the part of the
MLP, GP Inc., Plains AAP, Plains GP LLC or either of the OLPs and Plains AAP
agrees to use its reasonable best efforts to obtain satisfaction of any
Restriction on a timely basis.  In the event that any Restriction-Asset exists,
Plains AAP agrees to hold such Restriction-Asset in trust for the exclusive
benefit of the assignee, the MLP or GP Inc., as the case may be, and to
otherwise use its reasonable best efforts to provide the assignee with the
benefits thereof, and Plains AAP will enter into other agreements, or take such
other action as it may deem reasonably necessary, in order to help ensure that
such assignee is entitled to the benefits of  the contributed assets and
concomitant rights in all material respects.

     6.3  Costs.  The MLP shall pay all sales, use and similar taxes arising out
of the contributions, assignments and deliveries to be made hereunder, and shall
pay all documentary, filing, recording, transfer, deed, and conveyance taxes and
fees required in connection therewith.  In addition, the MLP shall be
responsible for all costs, liabilities and expenses (including court costs and
reasonable attorneys' fees) incurred in connection with the satisfaction or
waiver of any Restriction pursuant to Section 6.2.

     6.4  Headings; References; Interpretation.  All Article and 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.
The words "hereof," "herein" and "hereunder" and words of similar import, when
used in this Agreement, shall refer to this Agreement as a whole,

                                       12
<PAGE>

including without limitation, all Exhibits attached hereto, and not to any
particular provision of this Agreement. All references herein to Articles,
Sections, and Exhibits shall, unless the context requires a different
construction, be deemed to be references to the Articles, Sections and Exhibits
of this Agreement, respectively, and all such Exhibits attached hereto are
hereby incorporated herein and made a part hereof for all purposes. All personal
pronouns used in this Agreement, whether used in the masculine, feminine or
neuter gender, shall include all other genders, and the singular shall include
the plural and vice versa. The use herein of the word "including" following any
general statement, term or matter shall not be construed to limit such
statement, term or matter to the specific items or matters set forth immediately
following such word or to similar items or matters, whether or not non-limiting
language (such as "without limitation," "but not limited to," or words of
similar import) is used with reference thereto, but rather shall be deemed to
refer to all other items or matters that could reasonably fall within the
broadest possible scope of such general statement, term or matter.

     6.5  Successors and Assigns.  The Agreement shall be binding upon and inure
to the benefit of the parties signatory hereto and their respective successors
and assigns.

     6.6  No Third Party Rights.  The provisions of this Agreement are intended
to bind the parties signatory hereto as to each other and are not intended to
and do not create rights in any other person or confer upon any other person any
benefits, rights or remedies and no person is or is intended to be a third party
beneficiary of any of the provisions of this Agreement.

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

     6.8  Governing Law.  This Agreement shall be governed by, and construed in
accordance with, the laws of the State of Delaware applicable to contracts made
and to be performed wholly within such state without giving effect to conflict
of law principles thereof, except to the extent that it is mandatory that the
law of some other jurisdiction, wherein the contributed assets are deemed
located, shall apply.

     6.9  Severability.  If any of the provisions of this Agreement are held by
any court of competent jurisdiction to contravene, or to be invalid under, the
laws of any political body having jurisdiction over the subject matter hereof,
such contravention or invalidity shall not invalidate the entire Agreement.
Instead, this Agreement shall be construed as if it did not contain the
particular provision or provisions held to be invalid, and an equitable
adjustment shall be made and necessary provision added so as to give effect to
the intention of the parties as expressed in this Agreement at the time of
execution of this Agreement.

     6.10  Assignment.  To the extent required by applicable law, this Agreement
shall also an "assignment" of the assets transferred and contributed as set
forth in Article II hereof.

     6.11  Amendment or Modification.  This Agreement may be amended or modified
from time to time only by the written agreement of all the parties hereto.

     6.12  Integration.  This Agreement supersedes all previous understandings
or agreements between the parties, whether oral or written, with respect to its
subject matter.  This document is an integrated agreement which contains the
entire understanding of the parties.  No understanding, representation, promise
or agreement, whether oral or written, is intended to be or shall be included in
or form part of this Agreement unless it is contained in a written amendment
hereto executed by the parties hereto after the date of this Agreement.

                                       13
<PAGE>

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

                              PLAINS ALL AMERICAN PIPELINE, L.P.

                              By:  Plains AAP, L.P., as general partner

                              By:  Plains All American GP LLC, as general
                                    partner

                              By:    /s/ Tim Moore
                                  ----------------------------------------
                              Name:  Tim Moore
                              Title:  Vice President

                              PLAINS MARKETING, L.P.

                              By:  Plains AAP, L.P. as general partner

                              By:  Plains All American GP LLC, as general
                                    partner

                              By:    /s/ Tim Moore
                                  ----------------------------------------
                              Name:  Tim Moore
                              Title:  Vice President

                                       14
<PAGE>

                              ALL AMERICAN PIPELINE, L.P.

                              By:  Plains AAP, L.P., as general partner

                              By:  Plains All American GP LLC, as general
                                    partner

                              By:    /s/ Tim Moore
                                  ----------------------------------------
                              Name:  Tim Moore
                              Title:  Vice President

                              PLAINS AAP, L.P.

                              By:  Plains  All American GP LLC, as general
                                    partner

                              By:    /s/ Tim Moore
                                  ----------------------------------------
                              Name:  Tim Moore
                              Title:  Vice President

                              PLAINS ALL AMERICAN GP LLC

                              By:    /s/ Tim Moore
                                  ----------------------------------------
                              Name:  Tim Moore
                              Title:  Vice President

                              PLAINS MARKETING GP INC.

                              By:    /s/ Tim Moore
                                  ----------------------------------------
                              Name:  Tim Moore
                              Title:  Vice President

                                       15

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