Document:

<PAGE>   1
                                                                   EXHIBIT 10.53

                                  AMENDMENT TO
                         AGREEMENT TO PURCHASE AND SELL

     WHEREAS, JCC Fulton Development, L.L.C., a Louisiana limited liability
company ("Seller"), and WI Acquisition Corporation, a Delaware corporation
("Purchaser"), did enter into that certain Agreement to Purchase and Sell dated
February 14, 2000 (the "Agreement"), for the sale of Lot 3CP, Second Municipal
District of the City of New Orleans, Orleans Parish, Louisiana, on terms and
conditions more fully set forth therein;

     WHEREAS, Purchaser did assign to 3CP Associates, L.L.C., a Louisiana
limited liability company (now substituted as "Purchaser") all of its right,
title and interest in and to the Agreement by that certain Assignment and
Assumption of Agreement to Purchase and Sell effective as of April 17, 2000;

     WHEREAS, Seller and Purchaser have extended the expiration of the
Inspection Period (as defined in the Agreement) from time to time to July 20,
2000, and desire to further extend the Inspection Period as hereinafter set
forth; and

     WHEREAS, Seller and Purchaser also desire to amend this Agreement in
certain particulars as hereinafter set forth;

     NOW, THEREFORE, in consideration of the mutual covenants and warranties
hereinafter set forth, and for other good and valuable consideration, the
receipt and sufficiency of which is hereby acknowledged, Seller and Purchaser
hereby agree as follows:

     1) Capitalized terms utilized herein and not otherwise defined herein shall
have the meaning ascribed to them in the Agreement.

     2) Section 6.4 of the agreement, "Lender Consent," is hereby deleted in its
entirety as written, and amended to read as follows:

     "6.4 Lender Consent. (A) Seller shall take all reasonable efforts to obtain
     the Lender Consent on or before December 31, 2000 (the "Lender Consent
     Deadline"). Seller and Purchaser shall each have the option of extending
     the Lender Consent Deadline one or more times to a date not later than June
     30, 2001. If either party elects to extend the Lender Consent Deadline as
     described in the preceding sentence, such party shall give the other party
     written notice of such extension in accordance with Section 14.3 of the
     Agreement, prior to the expiration of the Lender Consent Deadline (as the
     same may be extended from time to time). If the Lender Consent Deadline is
     extended as provided in this Section 6.4, the definition of "Lender Consent
     Deadline" shall be automatically revised to mean the date specified in any
     such notice made in compliance with this Section 6.4(A).

(B) If Seller fails to obtain timely the Lender Consent, either Purchaser or
Seller may terminate this Agreement upon written notice to the other party, and
if either party so elects to terminate this Agreement, Purchaser shall be
entitled to a return of the Deposit and the Additional Deposit, if any, and, in
addition, Seller shall reimburse Purchaser for all of Purchaser's actual,
out-of-pocket expenses incurred in connection with the Transaction in the amount
set forth on Exhibit "A" attached hereto and made a part hereof. Seller's
obligation to reimburse Purchaser for such expenses shall be subject to
Sellers's audit and verification of

<PAGE>   2
Amendment to Agreement to Purchase and Sell
Page 2

invoices for expenses incurred in connection with the Transaction as shown on
Exhibit "A" attached hereto.

         3) Section 8.1 of the Agreement, "Purchaser's Inspections," is hereby
deleted in its entirety as written, and amended to read as follows:

         "8.1 Purchaser's Inspections. Seller agrees that Purchaser shall have
         forty-five (45) days after (i) receipt of notice from Seller that the
         Lender Consent has been obtained or (ii) the Lender Consent Deadline,
         whichever is earlier, to conduct inspections of the Property
         ("Inspection Period"), including, without limitation, environmental
         audits, wetlands determinations, appraisals, zoning, economic and
         engineering feasibility studies, soil tests, and such other inspections
         as Purchaser deems necessary to satisfy itself with respect to Seller's
         title and the condition of the Property. Seller understands and agrees
         that Purchaser and its respective employees, agents, and
         representatives may find it appropriate to contact Governmental
         Authorities in connection with the result of Purchaser's Inspections to
         the Property. Purchaser's sole remedy for any defects in the Property
         discovered during the Inspection Period will be its termination rights
         established in Section 8.5."

         4) The "Effective Date" of this Amendment shall be the date on which
this Amendment is last executed by either Seller or Purchaser.

         5) Except as specifically amended hereby, all other terms and
provisions of the Agreement, as previously amended, remain in full force and
effect and are hereby ratified and confirmed in all respects.

         This Amendment may be executed in multiple identical counterparts. If
so executed, each such counterpart is to be deemed an original for all
purposes, and all such counterparts shall collectively constitute one agreement.

                            (Signature Page Follows)
<PAGE>   3
Amendment to Agreement to Purchase and Sell
Page 3

     IN WITNESS WHEREOF, Seller and Purchaser have executed this Agreement on
the dates set forth below.

                                        Seller
                                        JCC FULTON DEVELOPMENT, L.L.C.,
                                        a Louisiana limited liability company

Date  July 20, 2000                     By: /s/ THOMAS M. MORGAN
      --------                             -------------------------------------
                                        Name:   Thomas M. Morgan
                                        Title:  V.P.

                                        Purchaser:
                                        3CP ASSOCIATES, L.L.C., a Louisiana
                                        limited company

                                        By: WYNDHAM CANAL PLACE, INC., MEMBER

                                            By:  /s/ [ILLEGIBLE]
                                                --------------------------------

                                        By: 3CP INVESTORS, L.L.C., MEMBER

                                            By: Darryl Berher Companies, Inc.,
                                                Member

                                                By: /s/ DARRYL D. BERGER
                                                   -----------------------------
                                                   Darryl D. Berger, President

Date: July 18, 2000                         By: /s/ ROGER H. OGDEN
      --------                                 --------------------------
                                                Roger H. Ogden, Member
<PAGE>   4
                                                                       EXHIBIT A

[WYNDHAM INTERNATIONAL LOGO]

                            WYNDHAM BUDGETING SYSTEM
                             LOCATION DETAIL REPORT
                          NEW ORLEANS CP3 SITE (NT05)
                             CP3 SITE DUE DILIGENCE

LAND/PURCHASE

?10 PURCHASE/ACQUISITION COST

<TABLE>
<CAPTION>
<S>          <C>         <C>                                               <C>    <C>   <C>     <C>     <C>
?321        0901.49      Development Fees - External Legal Costs           1.00   ARS   1.00    ALL     $18,335.00
?321        0901.49      Development Fees - External Architectural Costs   1.00   ARS   1.00    ALL     $14,308.00
?323        0901.50      Dev. Reimbursable - Wyndham                       1.00   ARS   1.00    ALL      $2,550.00
?324        0901.47      Development Reimbursables - External              1.00   ARS   1.00    ALL      $1,000.00
?230        410230.00    WHC Legal: Carrero-Fishman-Haygood...             1.00   ARS   1.00    ALL     $10,875.00
?230        410230.00    WHC Legal: Akin Gump                              1.00   ARS   1.00    ALL      $6,000.00
C142        510280.00    Parking Survey                                    1.00   ARS   1.00    ALL      $8,000.00
C142        510280.00    Architectural/MEP Schematic Design: Fees          1.00   ARS   1.00    ALL     $71,695.00
C142        510280.00    Structural Schematic Design: Fees                 1.00   ARS   1.00    ALL     $28,996.00
C142        510280.01    Roofing/Moisture Protection Due Diligence: Fees   1.00   ARS   1.00    ALL           $.00
C142        510280.02    ADA Due Diligence: Fees                           1.00   ARS   1.00    ALL           $.00
C142        510280.03    Environmental Due Diligence: Fees                 1.00   ARS   1.00    ALL           $.00

C142        510280.04    Construction Cost Estimating Due Diligence: Fees  1.00   ARS   1.00    ALL      $8,500.00
C142        510280.05    Geotechnical Testing Due Diligence: Fees          1.00   ARS   0       ALL      $6,580.00

C143        0901.56      Building Evaluation Survey: ASMEP Reimb.          1.00   ARS   1.00    ALL     $12,728.51
C143        510280.10    Parking Survey Reimbursables                      1.00   ARS   1.00    ALL      $1,000.00
C1TX        710889.06    Consultant Sales Tax                              1.00         1.00            $11,456.00
E385        710380.02    MIS Task Force: Reimbursables                     1.00   ARS   1.00    ALL           $.00
G111        0901.01      TS: Technical Advisory Fees                       1.00   ARS   127.00  ALL           $.00

G113        510499.00    Technical Services Reimbursables                  1.00   ARS   1.00    ALL      $2,500.00
G1TX        710889.16    Project Management Sales Tax                      1.00         1.00               $219.00
H110        910110.00    Contingency                                       1.00   ARS   1.00    ALL     $10,000.00

<CAPTION>

<S>          <C>         <C>                                               <C>         <C>
?321        0901.49      Development Fees - External Legal Costs            $18,335    Costs incurred by Berger & Ogden
?321        0901.49      Development Fees - External Architectural Costs    $14,308    Costs incurred by Berger & Ogden
?323        0901.50      Dev. Reimbursable - Wyndham                         $2,600    Estimate to be confirmed
?324        0901.47      Development Reimbursables - External                $1,000
?230        410230.00    WHC Legal: Carrero-Fishman-Haygood...              $10,875
?230        410230.00    WHC Legal: Akin Gump                                $6,000
C142        510280.00    Parking Survey                                      $8,000    Carl Walker proposal dated 01/26/00
C142        510280.00    Architectural/MEP Schematic Design: Fees           $71,695    Broadmoor 05/15/00 invoice No. 272201
C142        510280.00    Structural Schematic Design: Fees                  $28,996    Murphy Makofsky invoice dated 05/17/00
C142        510280.01    Roofing/Moisture Protection Due Diligence: Fees         $0    None required at this time
C142        510280.02    ADA Due Diligence: Fees                                 $0    None required at this time
C142        510280.03    Environmental Due Diligence: Fees                       $0    Project put on hold prior to this work
                                                                                       being released
C142        510280.04    Construction Cost Estimating Due Diligence: Fees    $8,500    C23 Construction Cost Engineering
C142        510280.05    Geotechnical Testing Due Diligence: Fees                $0    Eustis Engineering 03/20/00 proposal;
                                                                                       not initiated before project went on hold
C143        0901.56      Building Evaluation Survey: ASMEP Reimb.           $12,727    Broadmoor 05/15/00 invoice No. 272201
C143        510280.10    Parking Survey Reimbursables                        $1,000    Carl Walker - estimate to be confirmed
C1TX        710889.06    Consultant Sales Tax                               $11,458
E385        710380.02    MIS Task Force: Reimbursables                           $0    No work was required at this time
G111        0901.01      TS: Technical Advisory Fees                             $0    60 hrs. Senechal, 67 hrs. Lietz, Cannot
                                                                                       capture per W. Geller
G113        510499.00    Technical Services Reimbursables                    $2,500    Estimate to be confirmed
G1TX        710889.16    Project Management Sales Tax                          $219
H110        910110.00    Contingency                                        $10,000    Allowance to establish Not-To-Exceed
                                                                          ---------
Total A10 PURCHASE/ACQUISITION COST                                        $210,111
                                                                          ---------
Total - Land/Purchase                                                      $210,111
                                                                          ---------
</TABLE>

Soft Costs

<TABLE>
<S>         <C>                                                            <C>          <C>                     <C>       <C>
S13 WHC/NON-GC EXPENSES

D235        610222.00    OCIP                                              1.00         1.00                  $.00        $0
E3TX        710699.12    Special Systems Sales Tax                         1.00         1.00                  $.00        $0
E810        710710.00    Freight                                           1.00         1.00                  $.00        $0
E6TX        710899.17    Installation, Warehousing, Freight Sales Tax      1.00         1.00                  $.00        $0
                                                                                                                    --------
Total G13 WHC/NON-GC EXPENSES                                                                                             $0
                                                                                                                    --------
Total - Soft Costs                                                                                                        $0
                                                                                                                    --------
</TABLE>

                                                                     Page 1 of 2
<PAGE>   5

[WYNDHAM INTERNATIONAL LOGO]

                            WYNDHAM BUDGETING SYSTEM
                             LOCATION DETAIL REPORT
                          NEW ORLEANS CP3 SITE (NT05)
                             CP3 SITE DUE DILIGENCE

EMERGENCY FUNDS

<TABLE>
<S>         <C>                                                            <C>          <C>                     <C>       <C>
? CONTINGENCY

??10        910110.00    Escalation Cost                                   1.00         1.00                  $.00        $0
??10        910110.00    Contingency                                       1.00         1.00                  $.00        $0
                                                                                                                    --------
Total T10 CONTINGENCY                                                                                                     $0
                                                                                                                    --------
</TABLE>

<TABLE>
<S>         <C>                                                            <C>          <C>                     <C>       <C>
? MANAGEMENT RESERVE

??10        910110.01    Management Reserve                                1.00         1.00                  $.00        $0
                                                                                                                    --------
Total T20 MANAGEMENT RESERVE                                                                                              $0
                                                                                                                    --------
Total - Emergency Funds                                                                                                   $0
                                                                                                                    --------
Project Total                                                                                                       $210,111
                                                                                                                    --------
</TABLE>

                                                                     Page 2 of 2<PAGE>   1
                                                                EXHIBIT 10.54

                UNCONDITIONAL MINIMUM PAYMENT GUARANTY AGREEMENT
                      FOR FISCAL YEAR ENDING MARCH 31, 2001

         THIS UNCONDITIONAL MINIMUM PAYMENT GUARANTY AGREEMENT for Fiscal Year
ending March 31, 2001 (the "Guaranty") is entered into as of March 31, 2000, by
HARRAH'S ENTERTAINMENT, INC., a Delaware corporation, and HARRAH'S OPERATING
COMPANY, INC., a Delaware corporation (each a "Guarantor" and collectively the
"Guarantors") in favor of the STATE OF LOUISIANA by and through the LOUISIANA
GAMING CONTROL BOARD (the "LGCB").

                                    RECITALS

         A. That certain Casino Operating Contract (the "COC") between Jazz
Casino Company, L.L.C., a Louisiana limited liability company (the "Company"),
and the LGCB, dated as of October 30, 1998, sets forth the conditions,
covenants, obligations, requirements and terms pursuant to which the Company has
the authority to conduct gaming operations at the Casino.

         B. As used in this Guaranty, all capitalized terms used herein but not
defined herein shall be used herein as defined in the COC.

         C. The Company has caused this Guaranty to be provided to the LGCB for
Fiscal Year ending March 31, 2001 (the "Covered Fiscal Year"), as required by
the COC.

<PAGE>   2

                                    AGREEMENT

         NOW, THEREFORE, in consideration of the foregoing and other benefits
accruing to the Guarantors, the receipt and sufficiency of which are hereby
acknowledged, the Guarantors hereby solidarily make the following
representations and warranties to the LGCB, and hereby solidarily covenant and
agree for the benefit of the LGCB as follows:

1. OBLIGATIONS GUARANTEED AND METHOD OF DRAWING.

1.1 The Guarantors hereby irrevocably, unconditionally, and in solido with each
other and with the Company, guarantee for the Covered Fiscal Year:

         (a) the full, complete and timely payment and performance of all of the
Minimum Payment obligations of the Company to the LGCB under and in accordance
with the provisions of the COC; and

         (b) the full, complete and timely payment to the LGCB of all of the
Daily Payments, Required Payments and Minimum Payment in accordance with the
provisions of the COC.

1.2 If there is any delay in timely paying to the LGCB any and/or all of the
Daily Payments, Required Payments and/or Minimum Payment as and when required
under the COC for the Covered Fiscal Year, the Guarantors shall also pay to the
LGCB interest on such payments due at the Default Interest Rate (as provided in
Section 6.7 of the COC) from the date each payment was due, until paid to the
LGCB.

1.3 In no event shall the aggregate total of Daily Payments, Required Payments
and the Minimum Payment to the LGCB under this Guaranty for the Covered

<PAGE>   3

Fiscal Year exceed ONE HUNDRED MILLION DOLLARS ($100,000,000.00), plus, and in
addition thereto, any interest and attorneys' fees applicable to the Guaranty
Obligation provided for in the COC or in this Guaranty.

1.4 If the LGCB has not been timely paid any one or more of the required Daily
Payments for the Covered Fiscal Year, then (a) the LGCB may make drawings under
this Guaranty by providing written notice to the Guarantors that one or more of
the required Daily Payments have not been timely paid and the principal amount
of such Daily Payments then due (the "Notice of Drawing"), and (b) the
Guarantors shall pay to the LGCB all required but unpaid Daily Payments, plus
interest at the Default Interest Rate, upon receipt of the Notice of Drawing.
Guarantors shall make payment by wire or other electronic transfer as provided
in the Notice of Drawing, on or before the time the Daily Payments are due under
Section 6.5 - "Daily Deposits" of the COC.

1.5 The Guarantors shall not be obligated to make any Daily Payments due for any
day which is twenty (20) days or more prior to the LGCB giving the Notice of
Drawing; provided however, that any payments which are suspended pursuant to
Section 6.3(a) of the COC shall not be due and payble until the period of the
suspension has expired.

1.6 Once a Minimum Payment Default has occurred and a Notice of Drawing has been
provided to the Guarantors, the Guarantors shall be obligated without any
further notice by the LGCB to pay, and will pay, to the LGCB any required Daily
Payments for the Covered Fiscal Year on a daily basis for the remainder of the
Covered Fiscal Year (in which a Minimum Payment Default occurs) to the extent
such Daily Payments have not been timely paid.

<PAGE>   4

1.7 In no event shall the Guarantors be liable to the LGCB under this Guaranty
for any amount in excess of the difference between the Minimum Payment for the
Covered Fiscal Year and the total of the Louisiana Gross Gaming Revenue Share
Payments which have been paid to the LGCB for said Fiscal Year or liable for any
Daily Payments due for and in any Fiscal Year following the Covered Fiscal Year.

1.8 All of the obligations undertaken hereinabove by the Guarantors in this
Section 1 and any amounts which may be due under Section 6.2 are hereinafter
collectively referred to as the "Guaranty Obligation."

1.9 Notwithstanding the suspension, under the provisions of Section 6.3(a) of
the COC, of the payment of any of the amounts included within the Guaranty
Obligation, it is agreed that the Guaranty Obligation covers all payments which
would have been due and payable during the Covered Fiscal Year except for the
fact that such payments were suspended pursuant to Section 6.3(a) of the COC.
Any such suspended payments shall be paid in the manner and within the time
provided in the COC, together with Late Payment Interest from the time the
suspended payments become due under the COC, and the Guarantors guarantee the
payment thereof, even after the expiration of the Covered Fiscal Year.

2. GUARANTORS' ADDITIONAL AGREEMENTS.

2.1 The Guarantors, in solido with each other and the Company, agree to perform
and comply with their Guaranty Obligation, whether or not the Company is liable
therefor individually or jointly or in solido with others, and whether or not
recovery against the Company is or may become barred by any statute of
limitations or

<PAGE>   5

prescriptive or preemptive period or is or may become unenforceable or
discharged, whether in whole or in part, for any reason other than payment
thereof in full. The Guarantors agree that this Guaranty is a guaranty of
payment and not of collection, and that their obligation under this Guaranty
shall be primary, absolute and unconditional, irrespective of, and unaffected
by:

         (a) the absence of any action to enforce this Guaranty or any other
document or the waiver or consent by the LGCB with respect to any of the
provisions thereof;

         (b) any release or discharge of the other Guarantor, the Company or any
other party of the Guaranty Obligation; or

         (c) any other action or circumstances which might otherwise constitute
a legal or equitable discharge or defense of a surety or guarantor.

Each Guarantor shall be regarded, and shall be in the same position, as
principal debtor with respect to the Guaranty Obligation.

2.2 Each Guarantor expressly waives all rights it may have now or in the future
under any statute, or at common law, or at law or in equity, or otherwise, to
compel the LGCB to proceed in respect of the Guaranty Obligation against the
Company or any other party or against any security for the payment of the
Guaranty Obligation before proceeding against, or as a condition to proceeding
against, any Guarantor; and without limiting the above, each Guarantor waives
all pleas of division and discussion. Each Guarantor agrees that any notice or
directive given at any time to the LGCB which is inconsistent with the waiver in
the immediately preceding sentence

<PAGE>   6

shall be null and void and may be ignored by the LGCB, and in addition, may not
be pleaded or introduced as evidence in any litigation relating to this Guaranty
for the reason that such pleading or introduction would be at variance with the
written terms of this Guaranty, unless the LGCB has specifically agreed
otherwise in writing.

2.3 Each Guarantor acknowledges that it has received a copy of and is familiar
with the COC, which to the extent of the Guaranty Obligation is incorporated
herein by reference.

2.4 Except as expressly provided for in this Guaranty, in no event shall the
Guarantors, as a result of this Guaranty, incur, directly or indirectly, any
obligation, contingent or otherwise, under the COC ("incur" meaning to create,
incur, assume, guaranty or otherwise become liable for).

3. ALTERATION OF THE GUARANTY OBLIGATION.

3.1 No exercise or non-exercise of any right hereby given to the LGCB, no
dealing by the LGCB with the Guarantors or any other guarantor or any other
person, and no change, impairment or release of all or any portion of the
Company's COC obligations, or suspension of any right or remedy of the LGCB
against any person, including without limitation the Company or any other such
guarantor or other person, shall in any way affect any part of the Guaranty
Obligation or any security furnished by the Guarantors or give the Guarantors
any recourse against the LGCB.

3.2 This Guaranty is provided on the express condition that, should the LGCB and
the Company amend or modify the COC so as to increase the Guaranty Obligation or
adversely affect the Guarantors without the prior written agreement of the

<PAGE>   7

Guarantors, any such amendment or modification entered into without the prior
written agreement of the Guarantors shall not increase the Guaranty Obligation
or adversely affect the Guarantors.

4. WAIVER.

4.1 The Guarantors, in solido with each other, represent, warrant and agree
that, as of the date of this Guaranty, the Guaranty Obligation is not subject to
any recoupment, counterclaims, offsets or defenses against the LGCB or the
Company of any kind. The Guarantors further in solido with each other agree that
the Guaranty Obligation shall not be subject to any recoupment, counterclaims,
offsets or defenses against the LGCB or against the Company of any kind which
may arise in the future. Each Guarantor hereby expressly waives and relinquishes
all rights, defenses and remedies accorded by applicable law to sureties or
guarantors and agrees not to assert or take advantage of any such rights,
defenses or remedies, including without limitation:

         (a) any right to require the LGCB to proceed against the Company or any
other person or to proceed against or exhaust any security held by the LGCB at
any time or to pursue any other remedy in the power of the LGCB before
proceeding against either or both of the Guarantors, including but not limited
to any defense of failure to join or non-joinder of the Company or any other
person whatsoever in any litigation instituted by the LGCB against either or
both of the Guarantors;

         (b) the defense of any statute of limitation, prescription and
preemption in any action hereunder or in any action for the collection of any of
the Guaranty Obligation;

<PAGE>   8

         (c) any defense that may arise by reason of the discharge in
bankruptcy, incapacity, lack of authority, death or disability of any other
person (including the Company) or the failure of the LGCB to file or enforce a
claim against the estate (in administration, bankruptcy or any other proceeding)
of any other person (including the Company);

         (d) diligence, demand, presentment, protest and notice of any kind
other than notices expressly required in this Guaranty (whether for nonpayment
or protest or of acceptance, maturity, extension of time, change in nature or
form of the Company's obligations under the COC, acceptance of further security,
release of further security, composition or agreement arrived at as to the
amount of, or the terms of, the Company's obligations under the COC, notice of
adverse change in the Company's financial condition or any other fact which
might materially increase the risk to the Guarantors), including without
limitation notice of the existence, creation or incurring of any new or
additional indebtedness or obligation or of any action or non-action on the part
of the Company, the LGCB, any endorser or creditor of the Company or either
Guarantor or on the part of any other person under this or any other instrument
in connection with any obligation or evidence of indebtedness held by the LGCB
in connection with any of the obligations of the Company under the COC;

         (e) any defense based upon an election of remedies by the LGCB which
destroys or otherwise impairs the subrogation rights of the Guarantors, the
right of the Guarantors to proceed against the Company for reimbursement, or
both, or any defense that the LGCB's claims against the Guarantors are barred or
diminished or premature to the extent that the LGCB has or may have remedies
available against the Company;

<PAGE>   9

         (f) any defense based upon any statute or rule of law which provides
that the obligation of a surety must be neither larger in amount nor in other
respects more burdensome than that of the principal;

         (g) any duty on the part of the LGCB to disclose to the Guarantors any
facts the LGCB may now or hereafter know about the Company, regardless of
whether the LGCB has reason to believe that any such facts materially increase
the risk beyond that which the Guarantors intend to assume, or has reason to
believe that such facts are unknown to either Guarantor, or has a reasonable
opportunity to communicate such facts to either Guarantor, since each Guarantor
acknowledges that it is fully responsible for being and keeping informed of the
financial condition of the Company and of all circumstances bearing on the risk
of nonpayment of any of the obligations of the Company under the COC;

         (h) waiver or estoppel or any alleged lack of reasonable or justifiable
reliance on the part of the LGCB as to the Guarantors' representations;

         (i) lack, failure or insufficiency of consideration;

         (j) subject to the notice requirements of Sections 1.4 and 1.5 hereof,
any alleged failure of the LGCB to mitigate injuries, losses or damages or any
plea that the LGCB has any duty to mitigate injuries, losses, or damages prior
to seeking recovery under this Guaranty; and

         (k) any defense that the LGCB's claims hereunder are or may be barred
because any adequate remedy at law exists.

<PAGE>   10

4.2 Following any default by either Guarantor under this Guaranty, each
Guarantor agrees to forbear from exercise of any rights of subrogation,
indemnity, or contribution against each other, the Company or any other person
who may be liable for satisfaction of the Guaranty Obligation until the Guaranty
Obligation has been fully satisfied as to the LGCB.

5. BANKRUPTCY.

5.1 In the event of the commencement of a bankruptcy case by or against any
Guarantor, each Guarantor agrees to waive the automatic stay under the
Bankruptcy Code and further agrees to the entry of an immediate order from the
Bankruptcy Court, on the LGCB's ex parte motion granting to the LGCB a
modification of the automatic stay (and/or recognition that the automatic stay
is not applicable) allowing it to fully enforce the provisions of this Guaranty,
the Guarantors hereby agreeing that in such case, "cause," as defined by the
Bankruptcy Code, would exist for the immediate entry by the Bankruptcy Court of
such an order modifying the automatic stay.

5.2 The Guaranty Obligation shall not be altered, limited or affected by any
proceeding, voluntary or involuntary, involving the bankruptcy, reorganization,
insolvency, receivership, liquidation or arrangement of the Company, or by any
defense which the Company may have by reason of any order, decree or decision of
any court or administrative body resulting from any such proceeding.

5.3 This Guaranty shall remain in full force and effect and continue to be
effective should any petition be filed by or against the Company or any
Guarantor for liquidation or reorganization, should the Company or any Guarantor
become insolvent or make an assignment for the benefit of creditors or should a
receiver or trustee be appointed for all or any significant part of the
Company's or any Guarantor's assets,

<PAGE>   11

and shall continue to be effective or be reinstated, as the case may be, if at
any time payment of the Guaranty Obligation, or any part thereof, is, pursuant
to applicable law, rescinded or reduced in amount or must otherwise be restored
or returned by the LGCB, whether as a "voidable preference," "fraudulent
conveyance," or otherwise, all as though such payment had not been made. In the
event that any payment, or any part thereof, is rescinded, reduced, restored or
returned, the Guaranty Obligation shall be reinstated and deemed reduced only by
such amount paid and not so rescinded, reduced, restored or returned.

6. INTEREST, COSTS AND ATTORNEYS' FEES.

6.1 If the Guarantors fail to timely pay all or any portion of the Guaranty
Obligation in accordance with the provisions of Section 1 of this Guaranty, such
amount shall bear interest as provided in Section 1.2 of this Guaranty.

6.2 If the LGCB refers this Guaranty to an attorney to enforce, construe, or
defend any provision hereof, or as a consequence of any default hereunder by the
Guarantors in connection with:

         (a) any litigation, contest, dispute, suit, proceeding or action
(whether instituted by the LGCB, the Company, the Guarantors or any other
person) in any way relating to the enforcement of rights or remedies under this
Guaranty;

         (b) any attempt to enforce any rights of the LGCB hereunder against the
Guarantors or any other person; or

<PAGE>   12

         (c) any attempt to defend any provision hereof;

then, and in any such event, the attorneys' fees arising from such services,
including those of any appellate proceedings, and all expenses, costs, charges
and other fees incurred by such counsel and others in any way or respect arising
in connection with or relating to any of the events or actions described herein
shall be payable, on demand, by the Guarantors to the LGCB or the Guarantors
shall cause the Company to make such payment, and if not so paid, shall be a
part of the Guaranty Obligation. The reference to "attorneys' fees" in this
Section 6.2 and in all other places in this Guaranty shall also include, without
limitation, such reasonable amounts as may then be charged for legal services
furnished by attorneys retained or employed by the State or the LGCB. Such
attorneys' fees, costs and expenses shall include, without limitation, those
incurred in connection with any bankruptcy, reorganization, insolvency,
receivership, liquidation, arrangement, lawsuits in state or federal court, or
other similar proceedings involving either Guarantor which in any way affect the
exercise by the LGCB of its rights and remedies hereunder.

7. CUMULATIVE RIGHTS.

         All rights, powers and remedies of the LGCB hereunder and under any
other written agreement now or at any time hereafter in force between the LGCB
and the Guarantors, including without limitation any other guaranty executed by
either Guarantor relating to any indebtedness of the Company, shall be
cumulative and not alternative, and such rights, powers and remedies shall be in
addition to all rights, powers and remedies given to the LGCB by law and shall
not be deemed in any way to extinguish or diminish the LGCB's rights and
remedies. This Guaranty is in addition to and independent of the guaranty of any
guarantor of any other obligations of the Company under the COC or other
indebtedness of the Company.

<PAGE>   13

8. APPLICATION OF PAYMENTS AND RECOVERIES.

         After a Minimum Payment Default has occurred, as to any payments
received directly from a Guarantor, the LGCB shall apply such payments to
amounts due under the Guaranty Obligation. Any other payments or recoveries
received by the LGCB after a Minimum Payment Default shall be applied, as
directed by the LGCB at its sole option, (a) first, to amounts due for any
Additional Charges, and (b) second, to any Daily Payments, Required Payments, or
Minimum Payment due for any Fiscal Year other than the Fiscal Year in which the
Minimum Payment Default has occurred (collectively, the "Other Fiscal Year
Payments"). Only when such Additional Charges and all Other Fiscal Year Payments
are paid current will any payments or recoveries be applied to the Guaranty
Obligation under this Guaranty Agreement; provided, however, Daily Payments,
Required Payments or Minimum Payments paid by the Company during a Covered
Fiscal Year shall be applied to the Minimum Payment for that Covered Fiscal
Year.

9. INDEPENDENT OBLIGATIONS.

         The Guaranty obligation is independent of the obligations of the
Company under the COC, and, in the event of any default hereunder, a separate
action or actions may be brought and prosecuted against either Guarantor,
whether or not the Company is joined therein or a separate action or actions are
brought against the Company. The LGCB's rights hereunder shall not be exhausted
by its exercise of any of its rights or remedies or by any such action or by any
number of successive actions unless and until all Guaranty Obligations have been
satisfied and fully performed.

<PAGE>   14

10. FINANCIAL STATEMENTS.

         The Guarantors hereby represent and warranty that the information
pertaining to the Guarantors set forth in their most recent filings with the
Securities and Exchange Commission is true and correct in all material respects,
and fairly presents the financial condition of the Guarantors as of the
respective dates indicated therein and for the periods covered thereby, and that
no material adverse change has occurred in the financial condition or prospects
of the Guarantors since the date of the latest information provided therein.

11. NOTICES.

         Whenever the Guarantors or the LGCB shall desire to give or serve any
notice, demand, request or other communication with respect to this Guaranty,
each such notice shall be in writing and shall be effective only if the same is
delivered by personal service, overnight courier service, or mailed by certified
mail, postage prepaid, return receipt requested, addressed as follows:

            (a)           if to either Guarantor
                          (or both Guarantors):

                          HET and Harrah's Operating
                          c/o Harrah's Entertainment, Inc.
                          5100 West Sahara Ave.
                          Las Vegas, Nevada 89146
                          Attention:  General Counsel

<PAGE>   15

            (b)           if to the LGCB, as provided in the COC;

or at such other address as shall have been furnished in writing by any person
described above to the party required to give notice hereunder. Any such notice
shall be deemed to have been received upon delivery. Any of the Guarantors or
the LGCB may change its address by giving the others written notice of the new
address as herein provided.

12. SUCCESSORS AND ASSIGNS.

         This Guaranty shall inure to the benefit of the LGCB, its successors
and assigns, and shall bind the successors and assigns of each Guarantor.
Neither Guarantor may assign or transfer any of its rights, obligations or
interest hereunder without the prior written consent of the LGCB.

13. MISCELLANEOUS PROVISIONS.

13.1 This Guaranty shall be governed, interpreted and enforced in accordance
with Louisiana law.

         Each Guarantor hereby submits to the jurisdiction of the State and the
courts thereof and to the jurisdiction of the Nineteenth Judicial District Court
in and for East Baton Rouge Parish ("19th JDC") for purposes of any suit, action
or other proceeding arising out of or relating to this Guaranty and agrees not
to assert by way of motion as a defense or otherwise that such suit, action or
other proceeding is brought in an inconvenient forum or that the venue of such
suit, action or other proceeding is improper or that the subject matter thereof
may not be enforced in or by such court or assert that any suit or action filed
in the 19th JDC may be removed to the Federal Court, and each Guarantor agrees
that the 19th JDC shall have the exclusive

<PAGE>   16

jurisdiction for purposes of any suit, action or other proceeding brought by
either of them relating to or arising out of this Guaranty.

         If at any time during the Term, either Guarantor is not a resident of
the State and has not formally designated or does not continuously maintain an
agent for service of process in Louisiana or has not notified LGCB of the full
name and current street address in Louisiana of such agent for service of
process, such Guarantor hereby designates the Secretary of State of Louisiana as
its agent for service of process in any suit, action or proceeding involving the
LGCB or the State or arising out of or relating to this Guaranty, and such
service shall be made as provided by Louisiana law for service on an insurance
company through the Secretary of State.

13.2 This Guaranty shall constitute the entire agreement of the Guarantors with
the LGCB with respect to the subject matter hereof, and no representation,
understanding, promise or condition concerning the subject matter hereof shall
be binding upon the LGCB or the Guarantors unless expressed herein.

13.3 Should any term, covenant, condition or provision of this Guaranty be
determined to be illegal or unenforceable, it is the intent of the parties that
all other terms, covenants, conditions and provisions hereof shall nevertheless
remain in full force and effect.

13.4 Time is of the essence to this Guaranty and each of its provisions.

13.5 When the context and construction so require, all words used in the
singular herein shall be deemed to include the plural, the masculine shall
include the feminine and neuter, and vice versa.

<PAGE>   17

13.6 The word "person" as used herein shall include any individual, company,
firm, association, partnership, limited liability company, joint venture,
corporation, trust or other legal entity of any kind whatsoever.

13.7 No provision of this Guaranty or right granted to the LGCB hereunder can be
waived in whole or in part, nor can either Guarantor be released from the
Guaranty Obligation, except by an express and specific writing to that effect
duly executed by an authorized officer of the LGCB. No provision of this
Guaranty may be amended without the prior written consent of the Guarantors and
the LGCB and the consent of any additional beneficiaries hereof, if any, shall
not be required.

13.8 The LGCB need not inquire into the power of the Guarantors or the authority
of their officers, shareholders or agents acting or purporting to act on their
behalf.

13.9 The headings of this Guaranty are inserted for convenience only and shall
have no effect upon the construction or interpretation thereof.

13.10 All of the representations, warranties, agreements, obligations and
covenants of each Guarantor are in solido with the other Guarantor. This
Guaranty shall be for the sole benefit of the State of Louisiana acting by and
through the LGCB, its successors and assigns. The provisions of this Guaranty
shall not inure to the benefit of any other person, including, without
limitation, the Company.

13.11 This Guaranty shall be effective upon execution.

<PAGE>   18

         IN WITNESS HEREOF, the undersigned have executed this Guaranty as of
the 31st day of March, 2000.

                                          GUARANTORS:

                                          HARRAH'S ENTERTAINMENT, INC.

                                          By: /s/ Stephen Brammell
                                             ----------------------------------
                                          Duly Authorized Officer

                                          HARRAH'S OPERATING COMPANY, INC.

                                          By: /s/ Stephen Brammell
                                             ----------------------------------
                                          Duly Authorized Officer

Approved and consented to:
JAZZ CASINO COMPANY, L.L.C.

By: /s/ Frederick W. Burford
   ----------------------------------
     Duly Authorized Officer

Accepted and agreed to:

<PAGE>   19

LOUISIANA GAMING CONTROL BOARD

By: /s/ HILLARY J. CRAIN
   ----------------------------------

Name: Hillary J. Crain
     --------------------------------

Title: Chairman of Louisiana
        Gaming Control Board
      -------------------------------

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