Document:

<PAGE>

                                                                     EXHIBIT 4.6

                     Nissan Auto Receivables Corporation II
                              990 West 190th Street
                           Torrance, California 90502

                                                       Dated as of June 24, 2004

                           YIELD SUPPLEMENT AGREEMENT

Wells Fargo Bank, National Association
Wells Fargo Center
Sixth and Marquette Avenue
MAC N9311-161
Minneapolis, MN 55479
Attn:  Asset Backed Securities Department

Nissan Auto Receivables 2004-B Owner Trust
In care of: Wilmington Trust Company
Rodney Square North
1100 North Market Street
Wilmington, DE 19890
Attn: Nissan Auto Receivables 2004-B Owner Trust

Ladies and Gentlemen:

      Nissan Auto Receivables Corporation II (the "Company") hereby confirms
arrangements made as of the date hereof with you, Wells Fargo Bank, National
Association, as Indenture Trustee, and Wilmington Trust Company, as Owner
Trustee for the Nissan Auto Receivables 2004-B Owner Trust (the "Trust"), for
the benefit of the Noteholders, to be effective upon (i) receipt by the Company
of the enclosed copy of this letter agreement (the "Yield Supplement
Agreement"), executed by Nissan Motor Acceptance Corporation ("NMAC"), the
Indenture Trustee and the Owner Trustee, (ii) execution of the Purchase
Agreement, dated as of the date hereof (the "Purchase Agreement"), between the
Company and NMAC, (iii) receipt by NMAC of the payment by the Company of the
purchase price under the Purchase Agreement, and (iv) the receipt by the Company
of the capital contribution of NMAC in connection with the payment of the
purchase price under the Purchase Agreement. Capitalized terms used herein and
not otherwise defined herein shall have the respective meanings given to them in
the Sale and Servicing Agreement, dated as of the date hereof, among NMAC, as
Servicer, the Company, and Nissan Auto Receivables 2004-B Owner Trust, as Issuer
(the "Sale and Servicing Agreement").

      1.    On or prior to each Determination Date, the Servicer shall notify
the Company and the Owner Trustee of the "Yield Supplement Deposit" (as defined
below) for the related Distribution Date, the amount on deposit in the Yield
Supplement Account (as defined below), the Servicing Payment Deposit with
respect to the related Distribution Date and the amount of reinvestment income
during the related Collection Period on the Yield Supplement Account. The "Yield
Supplement Deposit" means, with respect to any Distribution Date, the amount by
which (i) the aggregate amount of interest that would have been due during the
related Collection Period on all Yield Supplemented Receivables (as defined
below) if such Yield Supplemented Receivables bore interest at the Required Rate
(as defined below) exceeds (ii) the amount of interest accrued on such Yield
Supplemented Receivables at their respective APRs and due during such Collection
Period. "Required Rate" means, with respect to each Collection Period, 5.21%.
"Yield Supplemented Receivable" means any Receivable that has an APR less than
the Required Rate.

      2.    On or before the date hereof, the Owner Trustee shall establish and
maintain with the Securities Intermediary and pledge to the Indenture Trustee a
segregated trust account in the name of the Indenture Trustee for the benefit of
the Noteholders (the "Yield Supplement Account") in accordance with the
Securities Account Control Agreement to secure the payment of interest on the
Notes, or such other account as may be acceptable to the Rating

                                                      (Nissan 2004-B Owner Trust
                                                     Yield Supplement Agreement)

<PAGE>

Agencies, and the Trust hereby grants to the Indenture Trustee for the benefit
of the Noteholders a first priority security interest in the Yield Supplement
Account and the monies on deposit and the other property that from time to time
comprise the Yield Supplement Account (including the Initial Yield Supplement
Amount), and any and all proceeds thereof (collectively, the "Yield Supplement
Account Property"). The Indenture Trustee shall possess all of the rights of a
secured party under the UCC with respect thereto. The Yield Supplement Account
Property and the Yield Supplement Account shall be under the sole dominion and
control of the Indenture Trustee. Neither the Company, the Trust nor any Person
claiming by, through or under the Company or the Trust shall have any right,
title or interest in, any control over the use of, or any right to withdraw from
amounts from, the Yield Supplement Account Property or the Yield Supplement
Account. All Yield Supplement Account Property in the Yield Supplement Account
shall be applied by the Relevant Trustee as specified in this Yield Supplement
Agreement and the Sale and Servicing Agreement. The Relevant Trustee shall, not
later than 5:00 P.M., New York City time on the Business Day preceding each
Distribution Date, withdraw from the Yield Supplement Account and deposit in the
Collection Account an amount equal to the Yield Supplement Deposit plus the
amount of reinvestment income on the Yield Supplement Account for such
Distribution Date.

      3.    On or prior to the date hereof, the Company shall make a capital
contribution to the Trust of $82,748,552.58 (the "Initial Yield Supplement
Amount"), by depositing such amount into the Yield Supplement Account. The
amount required to be on deposit in the Yield Supplement Account on the date of
issuance of the Notes and for each Distribution Date until the Notes of all
Classes have been paid in full or the Indenture is otherwise terminated (the
"Required Yield Supplement Amount"), as determined by the Servicer and notified
to the Relevant Trustee, means an amount equal to the lesser of (i) the
aggregate amount of each Yield Supplement Deposit that will become due on each
future Distribution Date, assuming that payments on the Receivables are made on
their scheduled due dates, no Receivable becomes a prepaid Receivable and a
discount rate of 1.00%, and (ii) the Initial Yield Supplement Amount. The
Required Yield Supplement Amount may decline as a result of prepayments or
repayments in full of the Receivables. The Relevant Trustee shall have no duty
or liability to determine the Required Yield Supplement Amount and may fully
rely on the determination thereof by the Servicer. If, on any Distribution Date,
the funds in the Yield Supplement Account are in excess of the Required Yield
Supplement Amount for such Distribution Date after giving effect to all
distributions to be made on such Distribution Date, the Relevant Trustee shall
deposit the amount of such excess into the Collection Account for distribution
by the Relevant Trustee in accordance with the terms of Sections 5.06(c), (d),
(e) and (h) of the Sale and Servicing Agreement. The Yield Supplement Account
shall be part of the Trust. It is the intent of the parties that the Yield
Supplement Account Property be treated as property of the Trust for all federal,
state and local income and franchise tax purposes. The provisions of this Yield
Supplement Agreement should be interpreted accordingly. Further, the Trust shall
include in its gross income all income earned on the Yield Supplement Account
Property and the Yield Supplement Account.

      4.    All or a portion of the Yield Supplement Account may be invested and
reinvested in the manner specified in Section 5.08 of the Sale and Servicing
Agreement in accordance with written instructions from the Servicer or the
Secured Party (as defined in the Securities Account Control Agreement) under the
Securities Account Control Agreement, as the case may be. All such investments
shall be made in the name of the Relevant Trustee. Earnings on investment of
funds in the Yield Supplement Account shall be deposited in the Collection
Account on each Distribution Date, and losses and any investment expenses shall
be charged against the funds on deposit therein. Upon payment in full of the
Notes under the Indenture, as directed in writing by the Servicer, the Indenture
Trustee will release any amounts remaining on deposit in the Yield Supplement
Account to the Owner Trustee for the benefit of the Certificateholders, which
amounts the Owner Trustee shall deposit into the Trust Collection Account, and
the Company shall have no further obligation to pay to the Servicer the
Servicing Payment Deposit. If for any reason the Yield Supplement Account is no
longer an Eligible Deposit Account, the Relevant Trustee shall promptly cause
the Yield Supplement Account to be moved to another institution or otherwise
changed so that the Yield Supplement Account becomes an Eligible Deposit
Account.

      5.    Our agreements set forth in this Yield Supplement Agreement are our
primary obligations and such obligations are irrevocable, absolute and
unconditional, shall not be subject to any counterclaim, setoff or defense
(other than full and strict compliance by us with our obligations hereunder) and
shall remain in full force and effect without regard to, and shall not be
released, discharged or in any way affected by, any circumstances or condition
whatsoever.

                                                      (Nissan 2004-B Owner Trust
                                       2             Yield Supplement Agreement)

<PAGE>

      6.    This Yield Supplement Agreement shall not be amended, modified or
terminated except in accordance with the provisions for amendments,
modifications and terminations of the Sale and Servicing Agreement as set forth
in Section 10.01 of the Sale and Servicing Agreement.

      7.    THIS YIELD SUPPLEMENT AGREEMENT SHALL BE GOVERNED BY, AND CONSTRUED
IN ACCORDANCE WITH, THE INTERNAL LAWS OF THE STATE OF NEW YORK, without
reference to its conflict of law provisions (other than Section 5-1401 of the
General Obligations Law of the State of New York), AND THE OBLIGATIONS, RIGHTS
AND REMEDIES OF THE PARTIES UNDER THIS AGREEMENT SHALL BE DETERMINED IN
ACCORDANCE WITH SUCH LAWS.

      8.    Except as otherwise provided herein, all notices pursuant to this
Yield Supplement Agreement shall be in writing, personally delivered, sent by
telecopier, sent by courier or mailed by certified mail, return receipt
requested, and shall be effective upon receipt thereof. All notices shall be
directed as set forth below, or to such other address or telecopy number or to
the attention of such other person as the relevant party shall have designated
for such purpose in a written notice.

            The Company:

            Nissan Auto Receivables Corporation II
            990 West 190th Street
            Torrance, California 90502
            Attention: Treasurer
            Facsimile No.: 310-324-2542

            Indenture Trustee:

            Wells Fargo Bank, National Association
            Wells Fargo Center
            Sixth and Marquette Avenue
            MAC N9311-161
            Minneapolis, MN 55479
            Attn: Asset Backed Securities Department
            Facsimile No.: 612-667-3464

            Trust:

            Nissan Auto Receivables 2004-B Owner Trust
            In care of: Wilmington Trust Company
            Rodney Square North
            1100 North Market Street
            Wilmington, DE 19890
            Attn: Nissan Auto Receivables 2004-B Owner Trust

      10.   This Yield Supplement Agreement may be executed in one or more
counterparts and by the different parties hereto on separate counterparts, all
of which shall be deemed to be one and the same document.

      11.   Each of the parties hereto agrees and acknowledges that all of the
rights and interests of the Indenture Trustee hereunder shall be automatically
transferred to the Owner Trustee, and the Owner Trustee shall succeed to all
such rights and interests, upon the payment in full of the Notes in accordance
with the terms of the Indenture and the Sale and Servicing Agreement.

      If the foregoing satisfactorily sets forth the terms and conditions of our
agreement, please indicate your acceptance thereof by signing in the space
provided below and returning to us the enclosed duplicate original of this
letter.

                                                      (Nissan 2004-B Owner Trust
                                       3             Yield Supplement Agreement)

<PAGE>

                                         Very truly yours,

                                         NISSAN AUTO RECEIVABLES CORPORATION II

                                         By: /s/ Joji Tagawa
                                             -----------------------------------
                                             Name: Joji Tagawa
                                             Title: Treasurer

Agreed and accepted as of June 24, 2004

NISSAN MOTOR ACCEPTANCE CORPORATION

By: /s/ Steven R. Lambert
    ----------------------------
     Name:  Steven R. Lambert
     Title: President

WELLS FARGO BANK, NATIONAL ASSOCIATION,
   AS INDENTURE TRUSTEE

By: /s/ Marianna C. Stershic
    ----------------------------
      Name:  Marianna C. Stershic
      Title: Vice President

NISSAN AUTO RECEIVABLES 2004-B OWNER TRUST

By: WILMINGTON TRUST COMPANY,
      not in its individual capacity but solely as
      Owner Trustee on behalf of the Trust

      By: /s/ Kathleen A. Pedelini
          ------------------------
           Name:  Kathleen A. Pedelini
           Title: Financial Services Officer

                                                      (Nissan 2004-B Owner Trust
                                       S-1           Yield Supplement Agreement)<PAGE>
                                                                     EXHIBIT 4.7

                          REGISTRATION RIGHTS AGREEMENT

                                     BETWEEN

                         NORTHERN BORDER PARTNERS, L.P.

                                       AND

                              SUNDANCE ASSETS, L.P.

                           DATED AS OF JUNE 28, 2004

<PAGE>

         REGISTRATION RIGHTS AGREEMENT (the "AGREEMENT") dated as of June 28,
2004 by and between Northern Border Partners, L.P., a limited partnership formed
under the laws of the State of Delaware (the "LIMITED PARTNERSHIP"), and
Sundance Assets, L.P., a limited partnership in liquidation formed under the
laws of the State of Delaware ("SUNDANCE").

         WHEREAS, Sundance is the owner of approximately 2,710,000 Common Units
of the Limited Partnership.

         WHEREAS, pursuant to the Settlement Agreement and Mutual Release dated
as of March 12, 2004 (the "SETTLEMENT AGREEMENT") among Enron Corp., the other
affiliates and direct and indirect subsidiaries of Enron Corp. party thereto,
Ponderosa Assets, L.P., Sundance, Rawhide Investors L.L.C., Citibank, N.A., in
its capacity as Ponderosa Portfolio Manager and Sundance Portfolio Manager,
Citicorp North America, Inc., CXC, LLC, all of the APA Purchasers referred to
therein, Wilmington Trust Company, as Ponderosa Collateral Agent, and the
Official Committee of Unsecured Creditors appointed in the Chapter 11 bankruptcy
proceeding known as "In re Enron Corp., et al., Case No. 01-16034 (AJG),"
jointly administered by the United States Bankruptcy Court for the Southern
District of New York, the partners of Sundance authorized Sundance to sell the
Common Units owned by it.

         NOW, THEREFORE, in consideration of the premises and the covenants
hereinafter contained and for other good and valuable consideration, the receipt
and sufficiency of which are hereby acknowledged, and intending to be legally
bound hereby, it is agreed as follows:

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

         "AGREEMENT" has the meaning set forth in the preamble hereof.

         "AMENDMENT EFFECTIVENESS DEADLINE DATE" has the meaning set forth in
Section 2(d) hereof.

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

         "COMMON UNITS" means any limited partnership units of the Limited
Partnership ranking equally as to distributions of cash from operations and in
liquidation with the Common Units held by Sundance on the date hereof.

         "COMMON UNIT EQUIVALENTS" means any securities of the Limited
Partnership or any of its subsidiaries which would entitle the holder thereof to
acquire at any time Common Units, including without limitation, any debt,
preferred stock or partnership interest, rights, options, warrants or other
instrument that is at any time convertible into or exchangeable for, or
otherwise entitles the holder thereof to receive, Common Units.

         "DEFERRAL NOTICE" has the meaning set forth in Section 3(h) hereof.

         "DEFERRAL PERIOD" has the meaning set forth in Section 3(h) hereof.

                                                                               2
<PAGE>

         "EFFECTIVENESS DEADLINE DATE" has the meaning set forth in Section 2(a)
hereof.

         "EFFECTIVENESS PERIOD" means the period commencing on the date hereof
and ending on the date that all Registrable Securities have ceased to be
Registrable Securities.

         "EXCHANGE ACT" means the Securities Exchange Act of 1934, as amended,
and the rules and regulations of the SEC promulgated thereunder.

         "FILING DEADLINE DATE" has the meaning set forth in Section 2(a)
hereof.

         "HOLDER" shall mean Sundance, and any transferee of Sundance to whom
Registrable Securities are permitted to be transferred in accordance with the
terms of this Agreement, and, in each case, who continues to be entitled to the
rights of a Holder hereunder.

         "INITIAL SHELF REGISTRATION STATEMENT" has the meaning set forth in
Section 2(a) hereof.

         "LIMITED PARTNERSHIP" has the meaning set forth in the preamble hereof.

         "MATERIAL EVENT" has the meaning set forth in Section 3(h) hereof.

         "PROSPECTUS" means the prospectus included in any Registration
Statement (including, without limitation, a prospectus that discloses
information previously omitted from a prospectus filed as part of an effective
registration statement in reliance upon Rule 430A promulgated under the
Securities Act), as amended or supplemented by any amendment or prospectus
supplement, including post-effective amendments, and all materials incorporated
by reference or explicitly deemed to be incorporated by reference in such
Prospectus.

         "REGISTRABLE SECURITIES" means the Common Units initially held by
Sundance and any securities into or for which such Common Units have been
converted or exchanged, and any security issued with respect thereto upon any
dividend, split or similar event until, in the case of any such security, (A)
the earliest of (i) its effective registration under the Securities Act and
resale in accordance with the Registration Statement covering it, (ii) its sale
to the public pursuant to Rule 144 (or any similar provision then in force, but
not Rule 144A) under the Securities Act and (iii) the 181st day after the Shelf
Registration Statement is first declared effective by the SEC, provided however
that the period referenced in this clause (iii) shall be extended for the number
of days of any Deferral Period, and (B) as a result of the event or circumstance
described in any of the foregoing clauses (i), (ii) and (iii), any legend with
respect to transfer restrictions is removed or removable. For the avoidance of
doubt, Common Units as to which clauses (A) and (B) of the immediately preceding
sentence apply shall cease to be Registrable Securities at the time the events
in such clauses both apply to such Common Units.

         "REGISTRATION STATEMENT" means any registration statement of the
Limited Partnership that covers any of the Registrable Securities pursuant to
the provisions of this Agreement, including the Prospectus, amendments and
supplements to such registration statement, including post-effective amendments,
all exhibits and all materials incorporated by reference or explicitly deemed to
be incorporated by reference in such registration statement.

         "REQUIRED INFORMATION" has the meaning set forth in Section 2(d)
hereof.

                                       3
<PAGE>

         "RULE 144" means Rule 144 under the Securities Act, as such Rule may be
amended from time to time, or any similar rule or regulation hereafter adopted
by the SEC.

         "RULE 144A" means Rule 144A under the Securities Act, as such Rule may
be amended from time to time, or any similar rule or regulation hereafter
adopted by the SEC.

         "SEC" means the Securities and Exchange Commission.

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

         "SHELF REGISTRATION STATEMENT" has the meaning set forth in Section
2(a) hereof.

         "SPECIAL COUNSEL" means Shearman & Sterling LLP or one such other
successor counsel as shall be specified by the Holders of a majority of all
Registrable Securities.

         "SUBSEQUENT SHELF REGISTRATION STATEMENT" has the meaning set forth in
Section 2(b) hereof.

         "SUNDANCE" has the meaning set forth in the preamble hereof.

         SECTION 2. Shelf Registration. (a) The Limited Partnership shall
prepare and file or cause to be prepared and filed with the SEC, as soon as
practicable but in any event by the date (the "FILING DEADLINE DATE") that is
thirty (30) days after the date hereof, a Registration Statement for an offering
to be made on a delayed or continuous basis pursuant to Rule 415 under the
Securities Act (a "SHELF REGISTRATION STATEMENT") registering the resale from
time to time by Holders thereof of all of the Registrable Securities (the
"INITIAL SHELF REGISTRATION STATEMENT"). The Initial Shelf Registration
Statement shall be on Form S-3 or another appropriate form permitting
registration of such Registrable Securities for resale by such Holders in
accordance with the methods of distribution elected by the Holders and set forth
in the Initial Shelf Registration Statement. The Limited Partnership shall use
its reasonable commercial efforts to cause the Initial Shelf Registration
Statement to be declared effective under the Securities Act as promptly as is
practicable but in any event by the date (the "EFFECTIVENESS DEADLINE DATE")
that is one hundred twenty (120) days after the date hereof, and, except as
otherwise provided herein, to keep the Initial Shelf Registration Statement (or
any Subsequent Shelf Registration Statement) continuously effective under the
Securities Act until the expiration of the Effectiveness Period. At the time the
Initial Shelf Registration Statement is declared effective, each Holder that
became a Holder on or prior to the date five (5) Business Days prior to such
time of effectiveness, and in the case of a transferee of Sundance or its
tranferee(s), furnished to the Limited Partnership written notice that such
person has become a Holder and such other information regarding such Person as
is required to be set forth in the Initial Registration Statement under the
rules and regulations of the SEC, shall be named as a selling securityholder in
the Initial Shelf Registration Statement and the related Prospectus in such a
manner as to permit such Holder to deliver such Prospectus to purchasers of
Registrable Securities in accordance with applicable law. Neither the Limited
Partnership nor any of the Limited Partnership's security holders (other than
the Holders of Registrable Securities) shall have the right to include any of
the Limited Partnership's securities in the Shelf Registration Statement.

                                                                               4
<PAGE>

         (b) If the Initial Shelf Registration Statement or any Subsequent Shelf
Registration Statement ceases to be effective for any reason at any time during
the Effectiveness Period (other than because all Registrable Securities
registered thereunder shall have been resold pursuant thereto or shall have
otherwise ceased to be Registrable Securities), the Limited Partnership shall
use its reasonable commercial efforts to obtain the prompt withdrawal of any
order suspending the effectiveness thereof, and in any event shall within
fifteen (15) days of such cessation of effectiveness amend the Shelf
Registration Statement in a manner reasonably expected to obtain the withdrawal
of the order suspending the effectiveness thereof, or file an additional Shelf
Registration Statement (a "SUBSEQUENT SHELF REGISTRATION STATEMENT") covering
all of the securities that as of the date of such filing are Registrable
Securities. If a Subsequent Shelf Registration Statement is filed, the Limited
Partnership shall use its reasonable commercial efforts to cause the Subsequent
Shelf Registration Statement to become effective as promptly as is practicable
after such filing and to keep such Registration Statement (or subsequent Shelf
Registration Statement) continuously effective until the expiration of the
Effectiveness Period.

         (c) The Limited Partnership shall supplement and amend the Shelf
Registration Statement if required by the rules, regulations or instructions
applicable to the registration form used by the Limited Partnership for such
Shelf Registration Statement or as otherwise required by the Securities Act or
as necessary to name a Holder as a selling securityholder pursuant to Section
2(d) below.

         (d) Each Holder agrees that if such Holder wishes to sell Registrable
Securities pursuant to a Shelf Registration Statement and related Prospectus, it
will do so only in accordance with this Section 2(d) and Section 3(h). Following
the date that the Initial Shelf Registration Statement is declared effective,
each Holder wishing to sell Registrable Securities pursuant to a Shelf
Registration Statement and related Prospectus agrees to deliver, at least seven
(7) Business Days prior to any intended distribution of Registrable Securities
under the Shelf Registration Statement, to the Limited Partnership such
information (the "REQUIRED INFORMATION") regarding that Holder and the
distribution of the Registrable Securities proposed by that Holder as the
Limited Partnership may reasonably request so that the Limited Partnership may
complete or amend the information required by any Shelf Registration Statement.
From and after the date the Initial Shelf Registration Statement is declared
effective, the Limited Partnership shall, as promptly as practicable after the
date the Required Information is delivered pursuant to Section 11(c) hereof and
in accordance with this Section 2(d), and in any event upon the later of (x)
five (5) Business Days after such date and (y) five (5) Business Days after the
expiration of any Deferral Period that is in effect when the Required
Information is delivered or that is put into effect within five (5) Business
Days of such delivery date:

                  (i) if required by applicable law, file with the SEC a
         post-effective amendment to the Shelf Registration Statement or prepare
         and, if required by applicable law, file a supplement to the related
         Prospectus or a supplement or amendment to any document incorporated
         therein by reference or file any other required document so that the
         Holder delivering such Required Information is named as a selling
         securityholder in the Shelf Registration Statement and the related
         Prospectus in such a manner as to permit such Holder to deliver such
         Prospectus to purchasers of the Registrable Securities in accordance
         with applicable law and, if the Limited Partnership shall file a
         post-effective amendment to the Shelf Registration Statement, use its
         reasonable commercial efforts to

                                                                               5
<PAGE>

         cause such post-effective amendment to be declared effective under the
         Securities Act as promptly as is practicable, but in any event by the
         date (the "AMENDMENT EFFECTIVENESS DEADLINE DATE") that is sixty (60)
         days after the date such post-effective amendment is required by this
         clause to be filed; and

                  (ii) provide such Holder copies of any documents filed
         pursuant to Section 2(d)(i);

provided, that, if the Required Information is delivered during a Deferral
Period, the Limited Partnership shall so inform the Holder delivering such
Required Information. The Limited Partnership shall notify such Holder as
promptly as practicable after the effectiveness under the Securities Act of any
post-effective amendment filed pursuant to Section 2(d)(i). Notwithstanding
anything contained herein to the contrary, (i) the Limited Partnership shall be
under no obligation to name any Holder that has failed to deliver the Required
Information in the manner set forth in this Section 2(d) as a selling
securityholder in any Registration Statement or related Prospectus and (ii) the
Amendment Effectiveness Deadline Date shall be extended by up to five (5)
Business Days from the expiration of a Deferral Period if such Deferral Period
shall be in effect on the Amendment Effectiveness Deadline Date.

         SECTION 3. Registration Procedures. In connection with the registration
obligations of the Limited Partnership under Section 2 hereof, during the
Effectiveness Period, the Limited Partnership shall:

                  (a) Prepare and file with the SEC a Registration Statement or
         Registration Statements on any appropriate form under the Securities
         Act available for the sale of the Registrable Securities by the Holders
         thereof in accordance with the intended method or methods of
         distribution thereof, and use its reasonable commercial efforts to
         cause each such Registration Statement to become effective and remain
         effective as provided herein; provided that before filing any
         Registration Statement or Prospectus or any amendments or supplements
         thereto with the SEC (but excluding reports filed with the SEC under
         the Exchange Act), furnish to Sundance, and the Special Counsel, if
         any, copies of all such documents proposed to be filed at least three
         (3) Business Days prior to the filing of such Registration Statement or
         amendment thereto or Prospectus or supplement thereto.

                  (b) Subject to Section 3(h), prepare and file with the SEC
         such amendments and post-effective amendments to each Registration
         Statement as may be necessary to keep such Registration Statement
         continuously effective for the applicable period specified in Section
         2(a); cause the related Prospectus to be supplemented by any required
         prospectus supplement, and as so supplemented to be filed pursuant to
         Rule 424 (or any similar provisions then in force) under the Securities
         Act; and use its reasonable commercial efforts to comply with the
         provisions of the Securities Act applicable to it with respect to the
         disposition of all securities covered by such Registration Statement
         during the Effectiveness Period in accordance with the intended methods
         of disposition by the sellers thereof set forth in such Registration
         Statement as so amended or such Prospectus as so supplemented.

                                                                               6
<PAGE>

                  (c) As promptly as practicable give notice to the Holders and
         the Special Counsel (i) when any Prospectus, prospectus supplement,
         Registration Statement or post-effective amendment to a Registration
         Statement has been filed with the SEC and, with respect to a
         Registration Statement or any post-effective amendment, when the same
         has been declared effective, (ii) of any request, following the
         effectiveness of the Initial Shelf Registration Statement under the
         Securities Act, by the SEC or any other federal or state governmental
         authority for amendments or supplements to any Registration Statement
         or related Prospectus or for additional information relating to the
         Shelf Registration Statement, (iii) of the issuance by the SEC or any
         other federal or state governmental authority of any stop order
         suspending the effectiveness of any Registration Statement or the
         initiation or threatening of any proceedings for that purpose, (iv) of
         the receipt by the Limited Partnership of any notification with respect
         to the suspension of the qualification or exemption from qualification
         of any of the Registrable Securities for sale in any jurisdiction or
         the initiation or threatening of any proceeding for such purpose, (v)
         of the occurrence of, but not the nature of or details concerning, a
         Material Event and (vi) of the determination by the Limited Partnership
         that a post-effective amendment to a Registration Statement will be
         filed with the SEC, which notice may, at the discretion of the Limited
         Partnership (or as required pursuant to Section 3(h)), state that it
         constitutes a Deferral Notice, in which event the provisions of Section
         3(h) shall apply.

                  (d) Use its reasonable commercial efforts to obtain the
         withdrawal of any order suspending the effectiveness of a Registration
         Statement or the lifting of any suspension of the qualification (or
         exemption from qualification) of any of the Registrable Securities for
         sale in any jurisdiction in which they have been qualified for sale, in
         either case as promptly as practicable, and provide prompt notice to
         each Holder of the withdrawal of any such order.

                  (e) As promptly as practicable furnish to each Holder and the
         Special Counsel upon request, at least one (1) conformed copy of the
         Registration Statement and any amendment thereto, including exhibits
         and, if requested, all documents incorporated or deemed to be
         incorporated therein by reference.

                  (f) Deliver to each Holder and the Special Counsel in
         connection with any sale of Registrable Securities pursuant to a
         Registration Statement as many copies of the Prospectus relating to
         such Registrable Securities (including each preliminary prospectus) and
         any amendment or supplement thereto as such persons may reasonably
         request; and the Limited Partnership hereby consents (except during
         such periods that a Deferral Notice is outstanding and has not been
         revoked and subject to Section 3(h)(ii) hereof) to the use of such
         Prospectus or each amendment or supplement thereto by each Holder in
         connection with any offering and sale of the Registrable Securities
         covered by such Prospectus or any amendment or supplement thereto in
         the manner set forth therein.

                  (g) Prior to any public offering of the Registrable Securities
         pursuant to a Registration Statement, use its reasonable commercial
         efforts to register or qualify or cooperate with the Holders and the
         Special Counsel, if any, in connection with the registration or
         qualification (or exemption from such registration or qualification) of
         such Registrable Securities for offer and sale under the securities or
         Blue Sky laws of such

                                                                               7
<PAGE>

         jurisdictions within the United States as any Holder reasonably
         requests in writing (which request may be included with the Required
         Information); prior to any public offering of the Registrable
         Securities pursuant to the Registration Statement, use its reasonable
         commercial efforts to keep each such registration or qualification (or
         exemption therefrom) effective during the Effectiveness Period in
         connection with such Holder's offer and sale of Registrable Securities
         pursuant to such registration or qualification (or exemption therefrom)
         and do any and all other acts or things reasonably necessary or
         advisable to enable the disposition in such jurisdictions of such
         Registrable Securities in the manner set forth in the relevant
         Registration Statement and the related Prospectus; provided that the
         Limited Partnership will not be required to (i) qualify as a foreign
         entity or as a dealer in securities in any jurisdiction where it would
         not otherwise be required to qualify but for this Agreement or (ii)
         take any action that would subject it to general service of process or
         to taxation in any such jurisdiction where it is not then so subject.

                  (h) Upon (A) the issuance by the SEC of a stop order
         suspending the effectiveness of any Registration Statement or the
         initiation of proceedings with respect to any Registration Statement
         under Section 8(d) or 8(e) of the Securities Act, (B) the occurrence of
         any event or the existence of any fact (a "MATERIAL EVENT") as a result
         of which any Registration Statement shall contain any untrue statement
         of a material fact or omit to state any material fact required to be
         stated therein or necessary to make the statements therein not
         misleading, or any Prospectus shall contain any untrue statement of a
         material fact or omit to state any material fact required to be stated
         therein or necessary to make the statements therein, in the light of
         the circumstances under which they were made, not misleading, or (C)
         the occurrence or existence of any pending corporate development that,
         in the reasonable discretion of the Limited Partnership, makes it
         appropriate to suspend the availability of any Registration Statement
         and the related Prospectus:

                           (i) in the case of clause (B) above, subject to the
                  next sentence, as promptly as practicable prepare and file, if
                  necessary pursuant to applicable law, a post-effective
                  amendment to such Registration Statement or a supplement to
                  the related Prospectus or any document incorporated therein by
                  reference or file any other required document that would be
                  incorporated by reference into such Registration Statement and
                  Prospectus so that such Registration Statement does not
                  contain any untrue statement of a material fact or omit to
                  state any material fact required to be stated therein or
                  necessary to make the statements therein not misleading, and
                  such Prospectus does not contain any untrue statement of a
                  material fact or omit to state any material fact required to
                  be stated therein or necessary to make the statements therein,
                  in the light of the circumstances under which they were made,
                  not misleading, as thereafter delivered to the purchasers of
                  the Registrable Securities being sold thereunder, and, in the
                  case of a post-effective amendment to a Registration
                  Statement, subject to the next sentence, use its reasonable
                  commercial efforts to cause it to be declared effective as
                  promptly as practicable, and

                           (ii) give notice to the Holders and the Special
                  Counsel that the availability of the Shelf Registration
                  Statement is suspended (a "DEFERRAL NOTICE") and, upon

                                                                               8
<PAGE>

                  receipt of any Deferral Notice, each Holder agrees not to sell
                  any Registrable Securities pursuant to the Registration
                  Statement until such Holder's receipt of copies of the
                  supplemented or amended Prospectus provided for in clause (i)
                  above, or until it is advised in writing by the Limited
                  Partnership that the Prospectus may be used, and has received
                  copies of any additional or supplemental filings that are
                  incorporated or deemed incorporated by reference in such
                  Prospectus, in which case such Holder will use the Prospectus
                  as so supplemented or amended in connection with any offering
                  and sale of Registrable Securities covered thereby.

         The Limited Partnership shall use its commercially reasonable efforts
         to ensure that the use of the Prospectus may be resumed (x) in the case
         of clause (A) above, as promptly as is practicable, (y) in the case of
         clause (B) above, as soon as, in the sole judgment of the Limited
         Partnership, public disclosure of such Material Event would not be
         prejudicial to or contrary to the interests of the Limited Partnership
         or, if necessary to avoid unreasonable burden or expense, as soon as
         practicable thereafter, and (z) in the case of clause (C) above, as
         soon as, in the reasonable discretion of the Limited Partnership, such
         suspension is no longer appropriate. The Limited Partnership shall be
         entitled to exercise its right under this Section 3(h) to suspend the
         availability of any Registration Statement or any Prospectus (the
         "DEFERRAL PERIOD"); provided that the aggregate duration of any
         Deferral Periods shall not exceed an aggregate of 30 days in any three
         month period and an aggregate of 90 days in any twelve (12) month
         period.

                  (i) If reasonably requested by a Holder in writing in
         connection with a disposition by such Holder of Registrable Securities
         pursuant to a Registration Statement, make reasonably available for
         inspection during normal business hours by a representative for such
         Holder(s) of such Registrable Securities, any broker-dealers,
         underwriters, attorneys and accountants retained by such Holder(s), and
         any attorneys or other agents retained by a broker-dealer or
         underwriter engaged by such Holder(s), all relevant financial and other
         records and pertinent corporate documents and properties of the Limited
         Partnership and its subsidiaries, and cause the appropriate officers,
         directors and employees of the Limited Partnership and its subsidiaries
         to make reasonably available for inspection during normal business
         hours on reasonable notice all relevant information reasonably
         requested by such representative for the Holder(s), or any such
         broker-dealers, underwriters, attorneys or accountants in connection
         with such disposition, in each case as is customary for similar "due
         diligence" examinations; provided that (i) the Limited Partnership
         shall not be obligated to make available for inspection any information
         that, based on the reasonable advice of counsel to the Limited
         Partnership, could subject the Limited Partnership to the loss of
         privilege with respect thereto and (ii) such persons shall first agree
         in writing with the Limited Partnership that any information that is
         reasonably designated by the Limited Partnership as confidential at the
         time of delivery of such information shall be kept confidential by such
         persons and shall be used solely for the purposes of exercising rights
         under this Agreement, unless (a) disclosure of such information is
         required by court or administrative order or is necessary to respond to
         inquiries of regulatory authorities, (b) disclosure of such information
         is required by law (including any disclosure requirements pursuant to
         federal securities laws in connection with the filing of any
         Registration Statement or the use of any Prospectus

                                                                               9
<PAGE>

         referred to in this Agreement) or (c) such information becomes
         generally available to the public other than as a result of a
         disclosure or failure to safeguard by any such person; and provided
         further that the foregoing inspection and information gathering shall,
         to the greatest extent possible, be coordinated on behalf of all the
         Holders and the other parties entitled thereto by Special Counsel, if
         any, or another representative selected by a majority of Registrable
         Securities being sold by such Holders pursuant to such Registration
         Statement. Any person legally compelled or required by administrative
         or court order or by a regulatory authority to disclose any such
         confidential information made available for inspection shall provide
         the Limited Partnership with prompt prior written notice of such
         requirement so that the Limited Partnership may seek a protective order
         or other appropriate remedy.

                  (j) Comply with all applicable rules and regulations of the
         SEC and make generally available to its securityholders earnings
         statements (which need not be audited) satisfying the provisions of
         Section 11(a) of the Securities Act and Rule 158 thereunder (or any
         similar rule promulgated under the Securities Act) for a 12-month
         period commencing on the first day of the first fiscal quarter of the
         Limited Partnership commencing after the effective date of a
         Registration Statement, which statements shall be made available no
         later than the next succeeding Business Day after such statements are
         required to be filed with the SEC.

                  (k) Cooperate with each Holder to facilitate the timely
         preparation and delivery of certificates representing Registrable
         Securities sold or to be sold pursuant to a Registration Statement,
         which certificates shall not bear any restrictive legends, and cause
         such Registrable Securities to be registered in such names as such
         Holder may request in writing at least two (2) Business Days prior to
         any sale of such Registrable Securities.

                  (l) Provide a CUSIP number for all Registrable Securities
         covered by each Registration Statement not later than the effective
         date of such Registration Statement.

                  (m) Cooperate and assist in any filings required to be made
         with the National Association of Securities Dealers, Inc. in connection
         with the filing or effectiveness of the Registration Statement, any
         post-effective amendment thereto or any offer or sale of Common Units
         thereunder.

                  (n) In the case of a proposed sale pursuant to a Registration
         Statement involving an underwritten offering, the Limited Partnership
         shall enter into such customary agreements (including, if requested, an
         underwriting agreement in reasonably customary form) and take all such
         other action, if any, as Holders of a majority of the Registrable
         Securities being sold or any managing underwriters reasonably shall
         request in order to facilitate any disposition of the Registrable
         Securities pursuant to such Registration Statement, including, without
         limitation, (i) using its reasonable commercial efforts to cause its
         counsel to deliver an opinion or opinions in reasonably customary form,
         (ii) using its reasonable best efforts to cause its officers to execute
         and deliver all customary documents and certificates and (iii) using
         its reasonable best efforts to cause its independent public accountants
         to provide a comfort letter or letters in reasonably

                                                                              10
<PAGE>

         customary form. Notwithstanding anything in this Agreement to the
         contrary, the Limited Partnership shall not be obligated to participate
         in, and the Holders shall not be entitled to, an aggregate of more than
         three (3) underwritten offerings of Registrable Securities.

                  (o) Upon (i) the filing of the Initial Shelf Registration
         Statement and (ii) the effectiveness of the Initial Shelf Registration
         Statement, announce the same, in each case by release to Reuters
         Economic Services and Bloomberg Business News.

                  (p) Use its reasonable commercial efforts to cause all such
         Registrable Securities to be listed on each securities exchange or
         quotation system on which similar securities issued by the Limited
         Partnership are listed or traded.

         SECTION 4. Holder's Obligations. Each Holder agrees, by acquisition of
the Registrable Securities, that no Holder shall be entitled to sell any of such
Registrable Securities pursuant to a Registration Statement or to receive a
Prospectus relating thereto unless such Holder has furnished the Limited
Partnership with the Required Information as required pursuant to Section 2(d)
hereof and the information set forth in the next sentence. Each Holder agrees
promptly to furnish to the Limited Partnership all information required to be
disclosed in order to make the information previously furnished to the Limited
Partnership by such Holder not misleading and any other information regarding
such Holder and the distribution of such Registrable Securities as the Limited
Partnership may from time to time reasonably request. Any sale of any
Registrable Securities by any Holder shall constitute a representation and
warranty by such Holder that the information relating to such Holder and its
plan of distribution is as set forth in the Prospectus delivered by such Holder
in connection with such disposition, that such Prospectus does not as of the
time of such sale contain any untrue statement of a material fact relating to or
provided by such Holder or its plan of distribution and that such Prospectus
does not as of the time of such sale omit to state any material fact relating to
or provided by such Holder or its plan of distribution necessary to make the
statements in such Prospectus, in the light of the circumstances under which
they were made, not misleading.

         SECTION 5. Registration Expenses. The Holders, on a pro rata basis,
shall bear all fees and expenses incurred in connection with the performance by
the Limited Partnership of its obligations under Sections 2 and 3 of this
Agreement whether or not any Registration Statement is declared effective. Such
fees and expenses shall include, without limitation, (i) all registration and
filing fees (including, without limitation, fees and expenses (x) with respect
to filings required to be made with the National Association of Securities
Dealers, Inc. and (y) of compliance with federal and state securities or Blue
Sky laws (including, without limitation, reasonable fees and disbursements of
the Special Counsel, in connection with Blue Sky qualifications of the
Registrable Securities under the laws of such jurisdictions as Holders of a
majority of the Registrable Securities being sold pursuant to a Registration
Statement may designate)), (ii) printing expenses (including, without
limitation, expenses of printing certificates for Registrable Securities in a
form eligible for deposit with The Depository Trust Company), (iii) duplication
expenses relating to copies of any Registration Statement or Prospectus
delivered to any Holders hereunder, (iv) fees and disbursements of counsel for
the Limited Partnership and the Special Counsel in connection with any
Registration Statement and (v) reasonable fees and disbursements of any transfer
agent for the Registrable Securities. However,

                                                                              11
<PAGE>

the Limited Partnership shall pay the internal expenses of the Limited
Partnership (including, without limitation, all salaries and expenses of
officers and employees performing legal or accounting duties), the expense of
any annual audit, the fees and expenses incurred in connection with the listing
by the Limited Partnership of the Registrable Securities on any securities
exchange on which similar securities of the Limited Partnership are then listed
and the fees and expenses of any person, including special experts, retained by
the Limited Partnership. Notwithstanding the provisions of this Section 5, each
seller of Registrable Securities shall pay selling expenses, including any
underwriting discount and commissions, all registration expenses to the extent
required by applicable law and, except as otherwise provided herein, fees and
expenses of counsel to such seller.

         SECTION 6. Indemnification and Contribution.

         (a) Indemnification by the Limited Partnership. The Limited Partnership
agrees to indemnify and hold harmless each Holder and each person, if any, who
controls any Holder within the meaning of either Section 15 of the Securities
Act or Section 20 of the Exchange Act, from and against any and all losses,
claims, damages and liabilities (including, without limitation, any reasonable
legal or other expenses reasonably incurred in connection with defending or
investigating any such action or claim) caused by any untrue statement or
alleged untrue statement of a material fact contained in any Registration
Statement or any amendment thereof, any preliminary prospectus or the Prospectus
(as amended or supplemented if the Limited Partnership shall have furnished any
amendments or supplements thereto), caused by any omission or alleged omission
to state therein a material fact required to be stated therein or necessary to
make the statements therein not misleading, except insofar as such losses,
claims, damages or liabilities are caused by any such untrue statement or
omission or alleged untrue statement or omission based upon information relating
to any Holder furnished to the Limited Partnership in writing by or on behalf of
such Holder expressly for use therein. In connection with any underwritten
offering pursuant to Section 8, the Limited Partnership will also indemnify the
underwriters, if any, their officers and directors and each person who controls
such underwriters (within the meaning of the Securities Act and the Exchange
Act) on terms and conditions similar to those set forth herein with respect to
the indemnification of the Holders, if requested in connection with any
Registration Statement, such indemnification to be set forth in any underwriting
agreement to be entered into by the Limited Partnership with such
underwriter(s).

         (b) Indemnification by Holders. Each Holder agrees severally and not
jointly to indemnify and hold harmless the Limited Partnership and its
directors, its officers and each person, if any, who controls the Limited
Partnership (within the meaning of either Section 15 of the Securities Act or
Section 20 of the Exchange Act) or any other Holder, to the same extent as the
foregoing indemnity from the Limited Partnership to such Holder, but only with
reference to information relating to such Holder furnished to the Limited
Partnership in writing by or on behalf of such Holder expressly for use in such
Registration Statement or Prospectus or amendment or supplement thereto. In no
event shall the liability of any Holder hereunder be greater in amount than the
dollar amount of the proceeds received by such Holder upon the sale of the
Registrable Securities pursuant to the Registration Statement giving rise to
such indemnification obligation. In connection with any underwritten offering
pursuant to Section 8, each Holder will also indemnify the underwriters, if any,
their officers and directors and each

                                                                              12
<PAGE>

person who controls such underwriters (within the meaning of the Securities Act
and the Exchange Act) on terms and conditions similar to those set forth herein
with respect to the indemnification of the Limited Partnership, if requested in
connection with any Registration Statement, such indemnification to be set forth
in an underwriting agreement entered into by such Holder(s) with respect to the
sale of Registrable Securities.

         (c) Conduct of Indemnification Proceedings. In case any proceeding
(including any governmental investigation) shall be instituted involving any
person in respect of which indemnity may be sought pursuant to Section 6(a) or
6(b) hereof, such person (the "INDEMNIFIED PARTY") shall promptly notify the
person against whom such indemnity may be sought (the "INDEMNIFYING PARTY") in
writing and the indemnifying party, upon request of the indemnified party, shall
retain counsel reasonably satisfactory to the indemnified party to represent the
indemnified party and any others the indemnifying party may designate in such
proceeding and shall pay the reasonable fees and disbursements of such counsel
related to such proceeding. In any such proceeding, any indemnified party shall
have the right to retain its own counsel, but the fees and expenses of such
counsel shall be at the expense of such indemnified party unless (i) the
indemnifying party and the indemnified party shall have mutually agreed to the
retention of such counsel or (ii) the named parties to any such proceeding
(including any impleaded parties) include both the indemnifying party and the
indemnified party and representation of both parties by the same counsel would
be inappropriate due to actual or potential differing interests between them,
other than solely by virtue of the rights and obligations of the indemnifying
party and the indemnified party under this Section 6. It is understood that the
indemnifying party shall not, in respect of the legal expenses of any
indemnified party in connection with any proceeding or related proceedings in
the same jurisdiction, be liable for the fees and expenses of more than one
separate firm (in addition to any local counsel) for all such indemnified
parties and that all such fees and expenses shall be reimbursed as they are
incurred. Such firm shall be designated in writing by, in the case of parties
indemnified pursuant to Section 6(a), the Holders of a majority of the
Registrable Securities covered by the Registration Statement held by Holders
that are indemnified parties pursuant to Section 6(a) and, in the case of
parties indemnified pursuant to Section 6(b), the Limited Partnership. The
indemnifying party shall not be liable for any settlement of any proceeding
effected without its written consent, but if settled with such consent or if
there be a final, non-appealable judgment for the plaintiff, the indemnifying
party agrees to indemnify the indemnified party from and against any loss or
liability by reason of such settlement or judgment. No indemnifying party shall,
without the prior written consent of the indemnified party, effect any
settlement of any pending or threatened proceeding in respect of which any
indemnified party is or could have been a party and indemnity could have been
sought hereunder by such indemnified party, unless such settlement includes an
unconditional release of such indemnified party from all liability on claims
that are the subject matter of such proceeding.

         (d) Contribution. To the extent that the indemnification provided for
in Section 6(a) or 6(b) is unavailable to an indemnified party or insufficient
in respect of any losses, claims, damages or liabilities referred to therein,
then each indemnifying party under such paragraph, in lieu of indemnifying such
indemnified party thereunder, shall contribute to the amount paid or payable by
such indemnified party as a result of such losses, claims, damages or
liabilities (i) in such proportion as is appropriate to reflect the relative
benefits received by the indemnifying party or parties on the one hand and the
indemnified party or parties on the other hand or (ii) if the allocation
provided by clause (i) above is not permitted by applicable law, in such
proportion

                                                                              13
<PAGE>

as is appropriate to reflect not only the relative benefits referred to in
clause (i) above but also the relative fault of the indemnifying party or
parties on the one hand and of the indemnified party or parties on the other
hand in connection with the statements or omissions that resulted in such
losses, claims, damages or liabilities, as well as any other relevant equitable
considerations. The relative fault of the Holders on the one hand and the
Limited Partnership on the other hand shall be determined by reference to, among
other things, whether the untrue or alleged untrue statement of a material fact
or the omission or alleged omission to state a material fact relates to
information supplied by the Holders or by the Limited Partnership, and the
parties' relative intent, knowledge, access to information and opportunity to
correct or prevent such statement or omission. The Holders' respective
obligations to contribute pursuant to this Section 6 are several in proportion
to the respective number of Registrable Securities they have sold pursuant to a
Registration Statement, and not joint.

         The parties hereto agree that it would not be just and equitable if
contribution pursuant to this Section 6(d) were determined by pro rata
allocation or by any other method of allocation that does not take into account
the equitable considerations referred to in the immediately preceding paragraph.
The amount paid or payable by an indemnified party as a result of the losses,
claims, damages or liabilities referred to in the immediately preceding
paragraph shall be deemed to include, subject to the limitations set forth
above, any legal or other expenses reasonably incurred by such indemnified party
in connection with investigating or defending any such action or claim.
Notwithstanding this Section 6, no indemnifying party that is a selling Holder
shall be required to contribute any amount in excess of the amount by which the
total price at which the Registrable Securities sold by it and distributed to
the public were offered to the public exceeds the amount of any damages that
such indemnifying party has otherwise been required to pay by reason of such
untrue or alleged untrue statement or omission or alleged omission. No person
guilty of fraudulent misrepresentation (within the meaning of Section 11 (f) of
the Securities Act) shall be entitled to contribution from any person who was
not guilty of such fraudulent misrepresentation.

         (e) The remedies provided for in this Section 6 are not exclusive and
shall not limit any rights or remedies which may otherwise be available to an
indemnified party at law or in equity, hereunder or otherwise.

         (f) The indemnity and contribution provisions contained in this Section
6 shall remain operative and in full force and effect regardless of (i) any
termination of this Agreement, (ii) any investigation made by or on behalf of
any Holder, any person controlling any Holder or any affiliate of any Holder or
by or on behalf of the Limited Partnership, its officers or directors or any
person controlling the Limited Partnership and (iii) the sale of any Registrable
Securities by any Holder.

         SECTION 7. Information Requirements. The Limited Partnership covenants
that, if at any time before the end of the Effectiveness Period the Limited
Partnership is not subject to the reporting requirements of the Exchange Act, it
will cooperate with any Holder and take such further reasonable action as any
Holder may reasonably request in writing (including, without limitation, making
such reasonable representations as any such Holder may reasonably request), all
to the extent required from time to time to enable such Holder to sell
Registrable Securities without registration under the Securities Act within the
limitation of the exemptions provided by

                                                                              14
<PAGE>

Rule 144 and Rule 144A under the Securities Act and customarily taken in
connection with sales pursuant to such exemptions. Upon the written request of
any Holder, the Limited Partnership shall deliver to such Holder a written
statement as to whether it has complied with such filing requirements, unless
such a statement has been included in the Limited Partnership's most recent
report filed pursuant to Section 13 or Section 15(d) of Exchange Act.
Notwithstanding the foregoing, nothing in this Section 7 shall be deemed to
require the Limited Partnership to register any of its securities under any
section of the Exchange Act.

         SECTION 8. Underwritten Registrations. The Holders of Registrable
Securities covered by a Shelf Registration Statement who desire to do so may
sell such Registrable Securities to an underwriter in an underwritten offering
for reoffering to the public. If any of the Registrable Securities covered by
any Shelf Registration Statement are to be sold in an underwritten offering, the
investment banker or investment bankers and manager or managers that will
administer the offering will be selected by the Holders of a majority of such
Registrable Securities included in such offering, subject to the consent of the
Limited Partnership (which shall not be unreasonably withheld or delayed), and
such Holders shall be responsible for all underwriting commissions and discounts
and any transfer taxes in connection therewith. No person may participate in any
underwritten registration hereunder unless such person (i) agrees to sell such
person's Registrable Securities on the basis reasonably provided in any
underwriting arrangements approved by the persons entitled hereunder to approve
such arrangements and (ii) completes and executes all questionnaires, powers of
attorney, indemnities, underwriting agreements and other documents reasonably
required under the terms of such underwriting arrangements.

         SECTION 9. Subsequent Equity Sales. (a) From the date hereof until the
later of, in each case, the date that is sixty (60) days after the effective
date of the Shelf Registration Statement and the final effectiveness of the
Settlement Agreement (the "EQUITY LOCKUP PERIOD"), neither the Limited
Partnership nor any of its subsidiaries shall issue, or file any registration
statement, other than the Shelf Registration Statement, with respect to, Common
Units or Common Unit Equivalents (other than Common Units issued pursuant to
employee benefit plans, qualified option plans or other employee compensation
plans or pursuant to currently outstanding options, warrants or rights);
provided however that the Equity Lockup Period shall be extended for the number
of days of any and all Deferral Periods that commence during the Equity Lockup
Period. In addition, neither the Limited Partnership nor any of its subsidiaries
shall issue Common Units or Common Unit Equivalents for the number of trading
days during such period in which (x) trading in the Common Units is suspended by
any trading market, or (y) following the effective date, the Registration
Statement is not effective or the Prospectus included in the Registration
Statement may not be used by the Holders for the sale of Registrable Securities.

         (b) Notwithstanding any provision herein to the contrary, if the
Limited Partnership at any time during the Effectiveness Period shall register
Common Units or Common Unit Equivalents under the Securities Act for sale in an
underwritten offering or shall elect to sell Common Units or Common Unit
Equivalents in an underwritten offering that have been registered on a shelf or
other registration statement, then to the extent requested by the underwriters
for such offering, the Holder shall not, and shall cause its Affiliates not to,
sell, make any short sale of, grant any option for the purchase of, or otherwise
dispose of, directly or

                                                                              15
<PAGE>

indirectly, any Common Units or Common Unit Equivalents without the prior
written consent of the underwriters, for a period commencing on the date of
pricing of such an offering and ending sixty (60) days after the closing of such
underwritten offering or such shorter lockup period to which the Limited
Partnership is subject in connection with such underwritten offering. If
requested, the Holder will enter into an agreement with the underwriters to the
foregoing effect.

         SECTION 10. Option to Purchase. Up to and including the 181st day after
the Shelf Registration Statement is first declared effective by the SEC,
provided however that the period referenced in this clause shall be extended for
the number of days of any Deferral Period (the "OPTION EXPIRATION DATE"),
Sundance hereby grants to the Limited Partnership or its designated affiliate
the option to purchase up to a total of 30,000 Common Units subject to the
following conditions:

         (a) Such option may only be exercised to purchase Common Units offered
for sale by Sundance pursuant to the Shelf Registration Statement; and

         (b) The option exercise price per Common Unit will be equal to the net
price per Common Unit realized by Sundance from the sale of Common Units
concurrently to third party purchasers in arms-length transactions.

Until the earlier of the Option Expiration Date or the full exercise of the
option granted by this Section 10, Sundance will not accept any offer to
purchase Common Units pursuant to the Shelf Registration Statement until at
least the second business day after the date it gives notice to the Limited
Partnership of any offer to sell Common Units pursuant to the Shelf Registration
Statement by Sundance. Unless such requirement is waived by Sundance, the
Limited Partnership or its designated affiliate must give notice to Sundance of
its exercise of this option and the amount of Common Units it wishes to purchase
by no later than the first business day after the date it receives notice from
Sundance of any offer to sell Common Units pursuant to the Shelf Registration
Statement by Sundance.

         SECTION 11. Miscellaneous.

         (a) No Conflicting Agreements. The Limited Partnership is not, as of
the date hereof, a party to, nor shall it, on or after the date of this
Agreement, enter into, any agreement with respect to its securities that
conflicts with the rights granted to the Holders in this Agreement. The Limited
Partnership represents and warrants that the rights granted to the Holders
hereunder do not in any way conflict with the rights granted to the holders of
the Limited Partnership's securities under any other agreements.

         (b) Amendments and Waivers. The provisions of this Agreement, including
the provisions of this sentence, may not be amended, modified or supplemented,
and waivers or consents to departures from the provisions hereof may not be
given, unless the Limited Partnership has obtained the written consent of
Holders of a majority of Registrable Securities. Notwithstanding the foregoing,
a waiver or consent to depart from the provisions hereof with respect to a
matter that relates exclusively to the rights of Holders whose securities are
being sold pursuant to a Registration Statement and that does not directly or
indirectly affect the rights of other Holders may be given by Holders of at
least a majority of the Registrable Securities being

                                       16
<PAGE>

sold by such Holders pursuant to such Registration Statement; provided that the
provisions of this sentence may not be amended, modified or supplemented except
in accordance with the provisions of the immediately preceding sentence.
Notwithstanding the foregoing, this Agreement may be amended by written
agreement signed by the Limited Partnership, without the consent of the Holders
of Registrable Securities, to cure any ambiguity or to correct or supplement any
provision contained herein that may be defective or inconsistent with any other
provision contained herein, or to make such other provisions in regard to
matters or questions arising under this Agreement that shall not adversely
affect the interests of the Holders of Registrable Securities. Each Holder of
Registrable Securities outstanding at the time of any such amendment,
modification, supplement, waiver or consent or thereafter shall be bound by any
such amendment, modification, supplement, waiver or consent effected pursuant to
this Section 10(b), whether or not any notice, writing or marking indicating
such amendment, modification, supplement, waiver or consent appears on the
Registrable Securities or is delivered to such Holder.

         (c) Notices. All notices and other communications provided for or
permitted hereunder shall be made in writing by hand delivery, by facsimile, by
courier guaranteeing overnight delivery or by first-class mail, return receipt
requested, and shall be deemed given (i) when made, if made by hand delivery,
(ii) upon confirmation, if made by facsimile, (iii) one (1) Business Day after
being deposited with such courier, if made by overnight courier or (iv) on the
date indicated on the notice of receipt, if made by first-class mail, to the
parties as follows:

                           (i) if to a Holder, at the most current address given
                  by such Holder to the Limited Partnership;

                           (ii) if to the Limited Partnership, to:

                                Northern Border Partners, L.P.
                                13710 FNB Parkway
                                Omaha, Nebraska  68154-5200
                                Attention:  Janet K. Place
                                Fax:  (402) 492-7480

                                with a copy to:

                                Andrews Kurth LLP
                                600 Travis Street
                                Suite 4200
                                Houston, Texas  77002
                                Attention:  G. Michael O'Leary
                                Fax:  (713) 220-4285

                                       17
<PAGE>

                           (iii) if to Sundance, to:

                                 Sundance Assets, L.P.
                                 c/o Citibank, N.A., as Portfolio Manager
                                 388 Greenwich St., 19th Floor
                                 New York, NY 10013
                                 Attention:  Trevor S. Houston
                                 Fax:  (212) 816-7736

                                 with a copy to:

                                 Danielle Carbone, Esq.
                                 Shearman & Sterling LLP
                                 599 Lexington Avenue
                                 New York, NY 10022
                                 Fax:  (212) 848-7179

or to such other address as such person may have furnished to the other persons
identified in this Section 10(c) in writing in accordance herewith.

         (d) Approval of Holders. Whenever the consent or approval of Holders of
a specified percentage of Registrable Securities is required hereunder,
Registrable Securities held by the Limited Partnership or its affiliates (as
such term is defined in Rule 405 under the Securities Act) (other than Sundance
or subsequent Holders if such Holders are deemed to be such affiliates solely by
reason of their holdings of such Registrable Securities) shall not be counted in
determining whether such consent or approval was given by the Holders of such
required percentage.

         (e) Successors and Assigns. Any person who purchases any Registrable
Securities from Sundance shall be deemed, for purposes of this Agreement, to be
an assignee of Sundance. This Agreement shall inure to the benefit of and be
binding upon the successors and assigns of each of the parties and shall inure
to the benefit of and be binding upon each Holder of any Registrable Securities,
provided that nothing herein shall be deemed to permit any assignment, transfer
or other disposition of Registrable Securities in violation of the terms
thereof. If any transferee of any Holder shall acquire Registrable Securities,
in any manner, whether by operation of law or otherwise, such Registrable
Securities shall be held subject to all of the terms of this Agreement, and by
taking and holding such Registrable Securities, such person shall be
conclusively deemed to have agreed to be bound by and to perform all of the
terms and provisions of this Agreement and such person shall be entitled to
receive the benefits hereof.

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

                                                                              18
<PAGE>

         (g) Headings. The headings in this Agreement are for convenience of
reference only and shall not limit or otherwise affect the meaning hereof.

         (h) Governing Law. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN
ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK.

         (i) Severability. If any term provision, covenant or restriction of
this Agreement is held to be invalid, illegal, void or unenforceable, the
remainder of the terms, provisions, covenants and restrictions set forth herein
shall remain in full force and effect and shall in no way be affected, impaired
or invalidated thereby, and the parties hereto shall use their reasonable best
efforts to find and employ an alternative means to achieve the same or
substantially the same result as that contemplated by such term, provision,
covenant or restriction, it being intended that all of the rights and privileges
of the parties shall be enforceable to the fullest extent permitted by law.

         (j) Entire Agreement. This Agreement is intended by the parties as a
final expression of their agreement and is intended to be a complete and
exclusive statement of the agreement and understanding of the parties hereto in
respect of the subject matter contained herein and the registration rights
granted by the Limited Partnership with respect to the Registrable Securities.
There are no restrictions, promises, warranties or undertakings, other than
those set forth or referred to herein, with respect to the registration rights
granted by the Limited Partnership with respect to the Registrable Securities.
This Agreement supersedes all prior agreements and undertakings among the
parties with respect to such registration rights. No party hereto shall have any
rights, duties or obligations other than those specifically set forth in this
Agreement.

         (k) Termination. This Agreement and the obligations of the parties
hereunder shall terminate upon the end of the Effectiveness Period, except for
any liabilities or obligations under Section 4, 5 or 6 hereof, each of which
shall remain in effect in accordance with its terms.

         (l) Specific Enforcement; Venue. The parties hereto acknowledge and
agree that each would be irreparably damaged if any of the provisions of this
Agreement are not performed by the other in accordance with their specific terms
or are otherwise breached. It is accordingly agreed that each party shall be
entitled to seek an injunction or injunctions to prevent breaches of this
Agreement by the other and to enforce this Agreement and the terms and
provisions hereof specifically against the other, in addition to any other
remedy to which such aggrieved party may be entitled at law or in equity. Any
action or proceeding seeking to enforce any provision of, or based on any rights
arising out of, this Agreement may be brought against any of the parties in the
Federal and New York State courts sitting in Manhattan, New York City, the State
of New York, and each of the parties consents to the jurisdiction of such courts
(and of the appropriate appellate courts) in any such action or proceeding and
waives any objection to venue laid therein. Process in any action or proceeding
referred to in the preceding sentence may be served on any party anywhere in the
world.

                                                                              19
<PAGE>

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

                                        NORTHERN BORDER PARTNERS, L.P.

                                        By: /s/ JERRY L. PETERS
                                           ------------------------------------
                                           Name: Jerry L. Peters
                                           Title: Chief Financial and Accounting
                                                  Officer

                                        SUNDANCE ASSETS, L.P.

                                        By: Citibank, N.A., as Portfolio Manager

                                        By: /s/ TREVOR S. HOUSTON
                                           ------------------------------------
                                           Name: Trevor S. Houston
                                           Title: Vice President

                                                                              20

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