Document:

<PAGE>   1
                                                                   EXHIBIT 4.14

                          THIS PARTICIPATION AGREEMENT
                        AS OF THE 17TH DAY OF JULY, 2000

AMONG

                  Queen Sand Resources, Inc., a Delaware corporation

                           (herein called the "Company")

AND

                  Queen Sand Resources, Inc., a Nevada corporation, Queen Sand
                  Operating Co. (formerly known as Northland Operating Co.), a
                  Nevada Corporation and Corrida Resources Inc., a Nevada
                  Corporation

                           (herein collectively called the "Subsidiary
                           Guarantors")

AND

                  MacKay Shields LLC (on behalf of various holders of the 1998
                  Notes holding, in the aggregate, $48,270,000 original
                  principal amount of 1998 Notes (collectively, "MacKay
                  Signatory Funds") and not individually; and, with respect to
                  Section 5.4 only, individually), AIM High Yield Fund, AIM
                  Capital Strategic Income Fund, AIM Global Income Fund, AIM VI
                  Diversified Income Fund (collectively the "AIM Funds"), and
                  Alliance Capital Management Corporation (on behalf of various
                  holder of the 1998 Notes holding in the aggregate,
                  $16,950,000, (collectively the "Alliance Signatory Funds")
                  and not individually; and with respect to Section 5.5 only,
                  individually)

                           (hereinafter collectively called the "Participating
                           Holders")

WHEREAS:

a.       Harris Trust And Savings Bank was appointed as trustee for the holders
         of certain 12.5% Senior Notes due 2008 (the "1998 Notes") issued by
         the Company pursuant to the Indenture dated as of July 1, 1998 (the
         "1998 Indenture"); and

b.       There are $125 million in aggregate principal amount of 1998 Notes
         outstanding as of the date hereof; and

<PAGE>   2

c.       The Participating Holders own $94 million in aggregate principal
         amount of the Notes (the "Participating Holder Amount"); and

d.       The Company wishes to issue a tender or exchange offer to effect the
         repurchase of $75 million aggregate principal amount of 1998 Notes and
         the Participating Holders wish to participate in the tender or
         exchange offer upon the terms set out below.

THEREFORE in consideration of the mutual covenants contained herein, the
payment of $1.00 by the Company to each of the Participating Holders and other
good and valuable consideration the receipt and adequacy of which is hereby
acknowledged the parties agree as follows.

1.       TENDER/EXCHANGE OFFER

As soon as practicable hereafter the Company shall issue a tender or exchange
offer on terms and conditions described herein (the "Offer") to all holders of
the 1998 Notes to effect the repurchase of not less than $75 million of
original principal amount of the 1998 Notes for an aggregate purchase price of
$48.75 million inclusive of interest accrued from July 1, 2000 (or $0.65 for
each dollar of original principal amount) provided that if payment is made
after October 31, 2000, the aggregate purchase price shall be increased by an
amount equivalent to the accrued interest on the 1998 Notes being repurchased
from July 1, 2000 until payment. The Offer shall close not later than 5:00 p.m.
(ET) October 31, 2000 and shall be conditional on the tender by the holders of
an aggregate of not less than $110 million original principal amount of the
1998 Notes. Pursuant to the Offer, the Company shall take up and pay for the
1998 Notes tendered on a pro rata basis in accordance with Rule 14d-8 of the
Securities Exchange Act of 1934 (whether or not such Rule applies to the
Offer). In the event that the Company elects to proceed by way of an exchange
offer, any new notes or debt instruments to be issued as part of the exchange
for any 1998 Notes shall be on substantially the same terms and subject to an
indenture on substantially the same terms as the 1998 Notes and 1998 Indenture
as same may be amended as set out in Schedule 1 hereto.

2.       PARTICIPATING HOLDERS AGREE TO TENDER

The Participating Holders hereby irrevocably agree to participate in the Offer
and tender or exchange thereto, as the case may be, their respective portions
of the Participating Holder Amount as set out in paragraph 5 hereof. Until such
time as the Offer is consummated or abandoned, the Participating Holders agree
not to sell or transfer the legal or beneficial ownership of any 1998 Notes
unless the purchaser or transferee becomes a party to this Agreement upon the
purchase or transfer as the case may be.

<PAGE>   3
3.       EXIT CONSENT

The Participating Holders shall, on or before the closing of Offer, provide
their written consent to amend the 1998 indenture as set out in Schedule 1
hereto. In the event that the Company elects to issue an exchange offer as
contemplated by paragraph 1 hereof, the Participating Holders shall provide
such additional consents as the Company may reasonably require to effect such
Exchange Offer. Any such consents shall only become effective upon the
consummation of the Offer.

4.       CONDITION PRECEDENT TO CLOSING

Notwithstanding anything in this Agreement to the contrary, the obligation of
the Company to complete the Offer and acquire any 1998 Notes from the
Participating Holders is conditional upon the Company receiving, on or before
closing of the Offer, (i) all regulatory approvals which the Company deems
necessary, including any that may be required by the Securities and Exchange
Commission and any applicable State authorities, and (ii) net proceeds of not
less than $50 million from a public offering or private placement of equity.

5.       PARTICIPATING HOLDER REPRESENTATIONS

Each Participating Holder represents and warrants on behalf of itself only
that:

         5.1.     Accredited Investor Status. Such Participating Holders is an
                  "accredited investor" as that term is defined in Rule 501(a)
                  of Regulation D.

         5.2.     No Governmental Review. Such Participating Holder 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 terms of this Agreement.

         5.3.     Authorization; by AIM Funds. The AIM Funds represent and
                  warrant that, among themselves, they are the legal and
                  beneficial owners (in the aggregate) of $13,735,000 original
                  principal amount of 1998 Notes. Each of the AIM Funds
                  represent and warrant that this Agreement has been duly and
                  validly authorized, executed and delivered by such AIM Fund
                  and is a valid and binding agreement of such AIM Fund and is
                  enforceable against such AIM Fund in accordance with its
                  terms.

         5.4.     Authorization by MacKay Shields LLC. MacKay Shields LLC
                  ("MacKay") represents and warrants that it has the requisite
                  power and authority to execute this Agreement for and on
                  behalf of the MacKay Signatory Funds and that such parties
                  are the legal or beneficial owners (in the aggregate) of
                  $48,270,000 original principal amount of 1998 Notes. MacKay:
                  (A) further represents and warrants that (i) it is investment
                  advisor to various funds (in addition to the MacKay Signatory
                  Funds) who are the legal or beneficial owners of (in the
<PAGE>   4
                  aggregate) an additional $14,395,000 original principal amount
                  of 1998 Notes (the "Other MacKay Funds"), and (ii) as such
                  investment advisor, MacKay has the requisite investment
                  discretion over the Other MacKay Funds' 1998 Notes to cause
                  compliance with the following covenants and agreements of
                  MacKay; and (B) covenants and agrees that it shall exercise
                  such investment discretion so as to cause the Other MacKay
                  Funds to take the actions contemplated by paragraphs 2 and 3
                  of this Agreement and to comply with the provisions thereof.

         5.5.     Authorization by Alliance Capital Management, Corporation
                  Alliance Capital Management Corporation ("Alliance")
                  represents and warrants that it has the requisite power and
                  authority to execute this Agreement for and on behalf of the
                  Alliance Signatory Funds and that such parties are the legal
                  or beneficial owners of (in the aggregate) $16,950,000
                  original principal amount of 1998 Notes. Alliance: (A)
                  further represents and warrants that (i) it is investment
                  advisor to various funds (in addition to the Alliance
                  Signatory Funds) who are the legal or beneficial owners of
                  (in the aggregate) an additional $1,000,000 original
                  principal amount of 1998 Notes (the "Other Alliance Funds"),
                  and (ii) as such investment advisor, Alliance has the
                  requisite investment discretion over the Other Alliance
                  Funds' 1998 Notes to cause compliance with the following
                  covenants and agreements of Alliance; and (B) covenants and
                  agrees that it shall exercise such investment discretion so
                  as to cause the Other Alliance Funds to take the actions
                  contemplated by paragraphs 2 and 3 of this Agreement and to
                  comply with the provisions thereof.

6.       REPRESENTATIONS AND WARRANTIES OF THE COMPANY

         6.1.     Organization and Qualification. Each of the Company and the
                  Subsidiary Guarantors are duly organized and validly existing
                  in good standing under the laws of the jurisdiction it is
                  incorporated, and has the requisite corporate power and
                  authorization to execute this Agreement and carry out its
                  obligations hereunder.

         6.2.     Authorization; Enforcement. This Agreement has been duly and
                  validly authorized, executed and delivered on behalf of the
                  Company and each of the Subsidiary Guarantors and is a valid
                  and binding agreement of the Company and each of the
                  Subsidiary Guarantors enforceable against the Company and
                  each of the Subsidiary Guarantors in accordance with its
                  terms.

7.       MISCELLANEOUS

         7.1.     Indenture to Remain Effective. Notwithstanding anything in
                  this Agreement to the contrary, the 1998 Indenture shall
                  remain effective in accordance with its present terms until
                  amended as contemplated by this Agreement.

<PAGE>   5
         7.2.     Governing Law. All questions concerning the construction,
                  validity, enforcement and interpretation of this Agreement
                  shall be governed by and interpreted in accordance with the
                  laws of the State of New York without regard to the
                  principles of conflict of laws. Each party hereby irrevocably
                  submits to the exclusive jurisdiction of the state and
                  federal courts sitting in the City of New York, New York for
                  the adjudication of any dispute hereunder or under the 1998
                  Indenture or in connection herewith or therewith or with any
                  transaction contemplated hereby or thereby or discussed
                  herein or therein, and hereby irrevocably waives, and agrees
                  not to assert in any suit, action or proceeding, any claim
                  that it is not personally subject to the jurisdiction of any
                  such court, that such suit, action or proceeding is brought
                  in an inconvenient forum or that the venue of such suit,
                  action or proceeding is improper. Each party hereby
                  irrevocably waives personal service of process and consents
                  to process being served in any such suit, action or
                  proceeding by mailing a copy thereof to such party in
                  accordance with Section 105 of the 1998 Indenture and agrees
                  that such service shall constitute good and sufficient
                  service of process and notice thereof. Nothing contained
                  herein shall be deemed to limit in any way any right to serve
                  process in any manner permitted by law.

         7.3.     Counterparts. This Agreement may be executed in two or more
                  identical counterparts, all of which shall be considered one
                  and the same agreement and shall become effective when
                  counterparts have been signed by each party and delivered to
                  the other party; provided that a facsimile signature shall be
                  considered due execution and shall be binding upon the
                  signatory thereto with the same force and effect as if the
                  signature were an original, not a facsimile signature.

         7.4.     Headings. The headings of this Agreement are for convenience
                  of reference and shall not form part of, or affect the
                  interpretation of, this Agreement.

         7.5.     Severability. If any provision of this Agreement shall be
                  invalid or unenforceable in any jurisdiction, such invalidity
                  or unenforceability shall not affect the validity or
                  enforceability of the remainder of this Agreement in that
                  jurisdiction or the validity or enforceability of any
                  provision of this Agreement in any other jurisdiction
                  provided that if any of paragraphs 1, 2 or 3 are found to be
                  invalid or unenforceable, then none of them shall be valid or
                  enforceable.

         7.6.     Entire Agreement; Amendments. This Agreement supersedes all
                  other prior oral or written agreements and representations by
                  or between the Company, the Subsidiary Guarantors, the
                  Participating Holders and their affiliates and persons acting
                  on their behalf with respect to the matters discussed herein,
                  and contains the entire understanding of the parties with
                  respect to the matters covered herein. No provision of this
                  Agreement may be amended other than by an instrument in
                  writing executed by all of the parties hereto.

<PAGE>   6

         7.7.     Successors and Assigns. This Agreement shall be binding upon
                  and inure to the benefit of the parties and their respective
                  successors and permitted assigns.

         7.8.     Survival. The representations, warranties, covenants and
                  agreements of the parties hereto, shall survive the execution
                  of this Agreement.

         7.9.     Further Assurances. Each party shall do and perform, or cause
                  to be done and performed, all such further acts and things,
                  and shall execute and deliver all such other agreements,
                  certificates, instruments and documents, as the other party
                  may reasonably request in order to carry out the intent and
                  accomplish the purposes of this Agreement and the
                  consummation of the transactions contemplated thereby.

         7.10.    No Strict Construction. The language used in this Agreement
                  will be deemed to be the language chosen by the parties to
                  express their mutual intent, and no rules of strict
                  construction will be applied against any party.

THE REST OF THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK.

<PAGE>   7

IN WITNESS WHEREOF duly authorized representatives of the Company, the
Subsidiary Guarantors and each Participating Holder have executed this
Agreement effective as of the date set out on the top of page 1 hereof.

Queen Sand Resources, Inc.
(Delaware)

/s/ AUTHORIZED SIGNATORY
------------------------
By:

Queen Sand Operating Co.                             Corrida Resources, Inc.

/s/ AUTHORIZED SIGNATORY                             /s/ AUTHORIZED SIGNATORY
------------------------                             ------------------------
By:                                                  By:

Queen Sand Resources, Inc
(Nevada)

/s/ AUTHORIZED SIGNATORY
------------------------
By:

<PAGE>   8

                           QUEEN SAND RESOURCES, INC.
                            PARTICIPATION AGREEMENT
                         AS OF THE   DAY OF JULY, 2000

AIM High Yield Fund                           AIM Capital Strategic Income Fund,

/s/ AUTHORIZED SIGNATORY                      /s/ AUTHORIZED SIGNATORY
------------------------                      ----------------------------------
By:                                           By:

AIM Global Income Fund                        AIM VI Diversified Income Fund

/s/ AUTHORIZED SIGNATORY                      /s/ AUTHORIZED SIGNATORY
------------------------                      ----------------------------------
By:                                           By:

<PAGE>   9

                           QUEEN SAND RESOURCES, INC.
                            PARTICIPATION AGREEMENT
                         AS OF THE   DAY OF JULY, 2000

Alliance Capital Management Corporation

/s/ AUTHORIZED SIGNATORY
------------------------
By:

<PAGE>   10

                           QUEEN SAND RESOURCES, INC.
                            PARTICIPATION AGREEMENT
                          AS OF THE    DAY OF JULY, 2000

MacKay Shields LLC, for and on behalf
of the MacKay Signatory Funds and not individually,
and individually with respect to paragraph 5.4 only

By: /s/ AUTHORIZED SIGNATORY
    -----------------------
 Name:
   Title:

<PAGE>   11

                           QUEEN SAND RESOURCES, INC.
                            PARTICIPATION AGREEMENT
                         AS OF THE    DAY OF JULY, 2000

                                   SCHEDULE 1
                        AMENDMENT TO THE 1998 INDENTURE

         Clause (ii) of paragraph (b) of Section 1008 is deleted in its
         entirety and the following substituted therefore:

                  (ii) Indebtedness under the Senior Credit Facilities, to the
                  extent that the aggregate principal amount of all
                  Indebtedness under the Senior Credit Facilities at any one
                  time does not exceed the sum of $35 million plus the amount
                  by which the net cash proceeds obtained from any Equity
                  Offering consummated by the Company on or before October 31,
                  2000 exceeds $50 million; provided, however, that the maximum
                  amount available to be outstanding under the Senior Credit
                  Facilities as Permitted Indebtedness pursuant to this clause
                  (ii) shall at no time exceed $60 million and shall be
                  permanently reduced by the Net Available Cash from Asset
                  Sales used to permanently repay Indebtedness under the Senior
                  Credit Facilities (with a permanent reduction of the related
                  commitment to lend or the amount available to be refinanced
                  in the case of a revolving credit facility) and not
                  subsequently reinvested in Additional Assets or used to
                  permanently reduce other Indebtedness to the extent permitted
                  pursuant to Section 1013; provided, however, that the
                  application of such Net Available Cash form Asset Sales shall
                  not permanently reduce the amount of Permitted Indebtedness
                  under this clause (ii) below $10 million in principal amount
                  plus related accrued interest and costs;

         The following shall be inserted at the end of paragraph (b) of Section
         1015:

                  Notwithstanding anything in the foregoing paragraph, no
                  Change of Control shall be deemed to have occurred as a
                  result of the exchange of all outstanding shares of Series A
                  preferred stock, Series C preferred stock and common stock
                  repricing rights for shares of common stock pursuant to a
                  recapitalization proposal approved by the stockholders of the
                  Company, or in connection with any Equity Offering
                  consummated by the Company, on or before October 31, 2000.<PAGE>   1
                                                                  EXHIBIT 10.20

                              AMENDMENT NUMBER ONE
                                       TO
                          LOAN AND SECURITY AGREEMENT

         This AMENDMENT NUMBER ONE TO LOAN AND SECURITY AGREEMENT (this
"Amendment") is entered into as of May __, 2000, among QUEEN SAND RESOURCES,
INC., a corporation formed under the laws of the State of Delaware ("QSRD");
QUEEN SAND RESOURCES, INC., a corporation formed under the laws of the State of
Nevada (the "Borrower"); each of the lenders that is a signatory hereto
(individually, a "Lender" and, collectively, the "Lenders"); FOOTHILL CAPITAL
CORPORATION, as administrative agent for the Lenders (in such capacity, the
"Administrative Agent"); and ABLECO FINANCE LLC, as collateral agent for the
Lenders (in such capacity, the "Collateral Agent"), with reference to the
following facts:

         A. QSRD, Borrower, the Lenders signatory thereto, Administrative Agent
         and Collateral Agent, heretofore have entered into that certain
         Amended and Restated Credit Agreement, dated as of October 22, 1999,
         (as heretofore amended, supplemented, or otherwise modified, the
         "Agreement");

         B. QSRD and Borrower have requested that the Lenders amend the
         Agreement to increase the L/C Commitment from $5,000,000 to
         $7,500,000;

         C. The Lenders are willing to increase the L/C Commitment from
         $5,000,000 to $7,500,000 in accordance with the terms and conditions
         hereof; and

         D. All capitalized terms used herein and not defined herein shall have
         the meanings ascribed to them in the Agreement, as amended hereby.

         NOW, THEREFORE, in consideration of the above recitals and the mutual
premises contained herein, the Lenders signatory hereto, the Administrative
Agent, the Collateral Agent, QSRD and Borrower hereby agree as follows:

         1. AMENDMENT TO THE AGREEMENT.

         The definition of "L/C Commitment" contained in Section 1.02 of the
         Agreement is amended and restated in its entirety to read as follows:

         "L/C Commitment" at any time shall mean $7,500,000.

<PAGE>   2

         2. CONDITIONS PRECEDENT TO THE EFFECTIVENESS OF THIS AMENDMENT.

         The effectiveness of this Amendment is subject to the fulfillment, to
the satisfaction of Foothill and its counsel, of each of the following
conditions:

              a.  Collateral Agent shall have received each of the following
                  documents, in form and substance satisfactory to Collateral
                  Agent and its counsel, duly executed, and each such document
                  shall be in full force and effect:

                  (i)      this Amendment; and

                  (ii)     the Reaffirmation and Consent (as hereinafter
                           defined).

              b.  The representations and warranties in Section 3 of this
                  Amendment, the Agreement as amended by Section 1 of this
                  Amendment, and the other Loan Documents shall be true and
                  correct in all material respects on and as of the date
                  hereof, as though made on such date (except to the extent
                  that such representations and warranties relate solely to an
                  earlier date);

              c.  After giving effect hereto, no Event of Default or event
                  which with the giving of notice or passage of time would
                  constitute an Event of Default shall have occurred and be
                  continuing on the date hereof, nor shall result from the
                  consummation of the transactions contemplated herein;

              d.  No injunction, writ, restraining order, or other order of any
                  nature prohibiting, directly or indirectly, the consummation
                  of the transactions contemplated herein shall have been
                  issued and remain in force by any governmental authority
                  against Borrower, QSRD, any Subsidiary Guarantor, any Lender,
                  Collateral Agent, Administrative Agent, or any of their
                  Affiliates;

              e.  No material adverse change shall have occurred in the
                  financial condition of Borrower, QSRD, any Subsidiary
                  Guarantor, or in the value of the Collateral; and

              f.  All other documents and legal matters in connection with the
                  transactions contemplated by this Amendment shall have been
                  delivered or executed or recorded and shall be in form and
                  substance reasonably satisfactory to Collateral Agent and its
                  counsel.

<PAGE>   3

         3. REPRESENTATIONS AND WARRANTIES. Each of QSRD and the Borrower
hereby represents and warrants to the Agents and the Lenders that: (a) the
execution, delivery, and performance of this Amendment and of the Agreement, as
amended by this Amendment, are within its corporate powers, have been duly
authorized by all necessary corporate action, and are not in contravention of
any law, rule, or regulation, or any order, judgment, decree, writ, injunction,
or award of any arbitrator, court, or governmental authority, or of the terms
of its charter or bylaws, or of any contract or undertaking to which it is a
party or by which any of its properties may be bound or affected; and (b) this
Amendment and the Agreement, as amended by this Amendment, constitute the
legal, valid, and binding obligation of each of QSRD and the Borrower,
enforceable against each of QSRD and the Borrower in accordance with their
terms.

         4. REAFFIRMATION AND CONSENT. Concurrently herewith, QSRD and the
Borrower shall cause each current Subsidiary Guarantor to execute and deliver
to the Agents the Reaffirmation and Consent attached hereto as Exhibit A (the
"Reaffirmation and Consent").

         5. CHOICE OF LAW AND VENUE; JURY TRIAL WAIVER. Section 12.13 of the
Agreement is incorporated herein by this reference as though fully set forth
herein.

         6. MISCELLANEOUS.

              a.  Upon the effectiveness of this Amendment, each reference in
                  the Agreement to "this Agreement", "hereunder", "herein",
                  "hereof" or words of like import referring to the Agreement
                  shall mean and refer to the Agreement as amended by this
                  Amendment.

              b.  Upon the effectiveness of this Amendment, each reference in
                  the Loan Documents to the "Agreement", "thereunder",
                  "therein", "thereof" or words of like import referring to the
                  Agreement shall mean and refer to the Agreement as amended by
                  this Amendment.

              c.  This Amendment may be executed in any number of counterparts,
                  all of which taken together shall constitute one and the same
                  instrument and any of the parties hereto may execute this
                  Amendment by signing any such counterpart. Delivery of an
                  executed counterpart of this Amendment by telefacsimile shall
                  be equally as effective as delivery of a manually executed
                  counterpart of this Amendment. Any party delivering an
                  executed counterpart of this Amendment by telefacsimile also
                  shall deliver a manually executed counterpart of this

<PAGE>   4

                  Amendment but the failure to deliver a manually executed
                  counterpart shall not affect the validity, enforceability,
                  and binding effect of this Amendment.

                  [remainder of page intentionally left blank]

<PAGE>   5

         IN WITNESS WHEREOF, the parties hereto have caused this Amendment to
be executed as of the date first written above.

                                    QUEEN SAND RESOURCES, INC.,
                                    a Delaware corporation

                                    By:  /s/ ROBERT P. LINDSAY
                                        ---------------------------------------
                                        Robert P. Lindsay
                                        Chief Operating Officer

                                    By:  /s/ RONALD I. BENN
                                        ---------------------------------------
                                        Ronald I. Benn
                                        Chief Financial Officer

                                    QUEEN SAND RESOURCES, INC.,
                                    a Nevada corporation

                                    By:  /s/ ROBERT P. LINDSAY
                                        ---------------------------------------
                                        Robert P. Lindsay
                                        Vice President

                                    By:  /s/ RONALD I. BENN
                                        ---------------------------------------
                                        Ronald I. Benn
                                        Vice President

                                    Address for Notices for QSRD and the
                                    Borrower:

                                    Queen Sand Resources, Inc.
                                    13760 Noel Road, Suite 1030
                                    Dallas, Texas 75240
                                    Attention: Robert P. Lindsay
                                    Telephone: (972) 233-9906
                                    Facsimile: (972) 233-9575

<PAGE>   6

                                    with a copy to:

                                    Queen Sand Resources, Inc.
                                    30 Metcalfe Street
                                    Ottawa, Canada KIP 5L4
                                    Attention: Mr. Ronald Benn
                                    Telephone: (613) 230-7211
                                    Facsimile: (613) 230-6055

                                    and

                                    Haynes & Boone LLP
                                    901 Main Street, Suite 3100
                                    Dallas, Texas 75202-3789
                                    Attention: Mr. William L. Boeing
                                    Telephone: (214) 651-5553
                                    Facsimile: (214) 651-5940

<PAGE>   7

COLLATERAL AGENT:                   ABLECO FINANCE LLC, as Collateral Agent

                                    By:  /s/ KEVIN P. GENDA
                                        ---------------------------------------
                                        Kevin P. Genda
                                        Senior Vice President and
                                        Chief Credit Officer

                                    Address for Notices:

                                    450 Park Avenue.
                                    New York, New York 10022
                                    Attention: Kevin P. Genda
                                    Telephone: (212) 891-2117
                                    Facsimile: (212) 755-3009

                                    with a copy to:

                                    BROBECK PHLEGER & HARRISON LLP
                                    550 South Hope Street, Suite 2100
                                    Los Angeles, California 90071
                                    Telephone: (213) 489-4060
                                    Facsimile: (213) 745-3345
                                    Attention: John Francis Hilson, Esq.

<PAGE>   8

ADMINISTRATIVE AGENT:               FOOTHILL CAPITAL CORPORATION

                                    By:  /s/ AUTHORIZED SIGNATORY
                                        ---------------------------------------
                                        []
                                        []

                                    Address for Notices

                                    11111 Santa Monica Boulevard
                                    Los Angeles, California 90025
                                    Attention: Business Finance Division Manager
                                    Telephone: (310) 996-7000
                                    Facsimile: (310) 478-9788

<PAGE>   9

LENDER:                             ABLECO FINANCE LLC

                                    By:  /s/ KEVIN P. GENDA
                                        ---------------------------------------
                                        Kevin P. Genda
                                        Senior Vice President and
                                        Chief Credit Officer

<PAGE>   10

LENDER:                             FOOTHILL CAPITAL CORPORATION

                                    By:  /s/ AUTHORIZED SIGNATORY
                                        ---------------------------------------
                                        []
                                        []

<PAGE>   11

                                   EXHIBIT C

                           REAFFIRMATION AND CONSENT

         All capitalized terms used herein but not otherwise defined herein
shall have the meanings ascribed to them in that certain Amendment Number One
to Credit Agreement, dated as of May __, 2000 (the "Amendment"). Each of the
undersigned hereby (a) represents and warrants to the Agents and the Lenders
that the execution, delivery, and performance of this Reaffirmation and Consent
are within its corporate powers, have been duly authorized by all necessary
corporate action, and are not in contravention of any law, rule, or regulation,
or any order, judgment, decree, writ, injunction, or award of any arbitrator,
court, or governmental authority, or of the terms of its charter or bylaws, or
of any contract or undertaking to which it is a party or by which any of its
properties may be bound or affected; (b) consents to the amendment of the
Agreement by the Amendment; (c) acknowledges and reaffirms its obligations
owing to the Agents and the Lenders under its respective Second Amended and
Restated Guaranty Agreement dated as of October 22, 1999 (each a "Guaranty",
and collectively, the "Guaranties") and any other Loan Documents to which it is
party; and (d) agrees that the Guaranty and any other Loan Documents to which
it is a party is and shall remain in full force and effect. Although each of
the undersigned has been informed of the matters set forth herein and has
acknowledged and agreed to same, it understands that the Agents and the Lenders
have no obligation to inform it of such matters in the future or to seek its
acknowledgement or agreement to future amendments, and nothing herein shall
create such a duty. This Reaffirmation and Consent may be executed in any
number of counterparts and by different parties on separate counterparts, each
of which, when executed and delivered, shall be deemed to be an original, and
all of which, when taken together, shall constitute but one and the same
Reaffirmation and Consent. Delivery of an executed counterpart of this
Reaffirmation and Consent by telefacsimile shall be equally as effective as
delivery of an original executed counterpart of this Reaffirmation and Consent.
Any party delivering an executed counterpart of this Reaffirmation and Consent
by telefacsimile also shall deliver an original executed counterpart of this
Reaffirmation and Consent but the failure to deliver an original executed
counterpart shall not affect the validity, enforceability, and binding effect
of this Reaffirmation and Consent. This Reaffirmation and Consent shall be
governed by internal laws of the State of New York as more fully set forth in
Section 5.04 of the Guaranties.

<PAGE>   12

                                    QUEEN SAND RESOURCES, INC.,
                                    a Delaware corporation

                                    By:  /s/ ROBERT P. LINDSAY
                                        ---------------------------------------
                                        Robert P. Lindsay
                                        Vice President

                                    By:  /s/ RONALD I. BENN
                                        ---------------------------------------
                                        Ronald I. Benn
                                        Vice President

                                    QUEEN SAND OPERATING CO.,
                                    a Nevada corporation

                                    By:  /s/ ROBERT P. LINDSAY
                                        ---------------------------------------
                                        Robert P. Lindsay
                                        Vice President

                                    By:  /s/ RONALD I. BENN
                                        ---------------------------------------
                                        Ronald I. Benn
                                        Vice President

                                    CORRIDA RESOURCES, INC.,
                                    a Nevada corporation

                                    By:  /s/ ROBERT P. LINDSAY
                                        ---------------------------------------
                                        Robert P. Lindsay
                                        Vice President

                                    By:  /s/ RONALD I. BENN
                                        ---------------------------------------
                                        Ronald I. Benn
                                        Vice President

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