Document:

EXHIBIT 10.2

                             JOINT BIDDING AGREEMENT

            JOINT BIDDING AGREEMENT (this "Agreement"), dated as of December 22,
2005, among Flag Luxury Riv, LLC, a Delaware limited liability company ("Flag"),
Rivacq LLC, a Delaware limited liability company ("Rivacq"), and High Desert
Gaming LLC, a Delaware limited liability company ("High Desert"), and together
with Flag and Rivacq, the "Bidders").

            WHEREAS, each of the Bidders is currently the owner of shares of
common stock, par value $.001 per share ("Shares"), of Riviera Holdings
Corporation (the "Company");

            WHEREAS, the Bidders wish to act jointly in connection with a
potential acquisition of the Company (the "Acquisition"), which the Bidders
currently contemplate would be effected by a merger of a wholly-owned subsidiary
of the Bidders ("Merger Sub") with and into the Company;

            WHEREAS, prior to the Acquisition, the Bidders may wish to acquire
additional blocks of Shares; and

            WHEREAS, the Bidders wish to delineate their respective rights and
obligations with respect to, among other things, the Shares they currently hold
or may hereafter acquire, their joint efforts in connection with the
Acquisition, and the sharing of expenses they may incur in connection with the
foregoing;

            NOW, THEREFORE, in consideration of the premises and the mutual
agreements and covenants hereinafter set forth, and intending to be legally
bound, the parties hereto hereby agree as follows:

                                    ARTICLE I

                      AGREEMENTS REGARDING THE ACQUISITION

            Section 1.01 Joint Efforts. (a) The Bidders agree to act jointly and
to cooperate with each other in connection with the Acquisition and all other
transactions related thereto, including, without limitation, using their
reasonable best efforts to (i) negotiate with the Company the various terms and
conditions of a definitive agreement with respect to the Acquisition (the
"Acquisition Agreement") and any related voting agreements with the Company's
stockholders in good faith with a view toward entering into such agreements on
mutually acceptable terms and conditions, (ii) obtain, and when obtained, to
cause to be available, at or prior to the consummation of the Acquisition,
financing necessary to fund the amounts necessary to consummate the Acquisition
and (iii) take all actions necessary or

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advisable to cause the conditions to the Acquisition set forth in the
Acquisition Agreement to be satisfied and to cause the Acquisition to be
consummated.

            (b) All actions taken directly or indirectly by any of the Bidders
in connection with, or in furtherance of, the Acquisition shall require the
unanimous consent of all the Bidders.

            Section 1.02 Formation of Merger Sub. (a) Prior to the execution and
delivery of the Acquisition Agreement, the Bidders shall form Merger Sub. It is
currently contemplated that Merger Sub will be a Delaware corporation.

            (b) The shares, membership interests or other equity interests of
Merger Sub shall be respectively owned by the Bidders in accordance with the
following percentages:

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   Flag                                 40%
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   Rivacq                               30%
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   High Desert                          30%
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In the event that the Bidders determine that they shall contribute equity
financing to Merger Sub for the Acquisition, such equity financing shall be
contributed in the foregoing proportions.

            (c) Following the formation of Merger Sub but prior to the
consummation of the Acquisition, in the event that any of the Bidders provides
to the other Bidders a notice of termination pursuant to Section 6.02, the
shares, membership interests or other equity interests in Merger Sub of such
terminating Bidder shall be divided between the two remaining Bidders in
proportion to their respective equity interests in Merger Sub.

            (d) In the event that the Bidders determine to acquire additional
blocks of Shares prior to the consummation of the Acquisition, including
pursuant to the option (the "Option") granted to the Bidders pursuant to the
Stock Purchase Agreement to be entered into among the Bidders, William L.
Westerman and The William L. Westerman 2004 Revocable Family Trust (the
"Westerman Purchase Agreement"), the Bidders shall coordinate such acquisitions
with the result that each of the Bidders and its Affiliates (as defined below)
shall hold the percentage set forth opposite such Bidder's name in subsection
1.02(b) of the aggregate number of Shares held by the Bidders and their
Affiliates collectively (excluding for purposes of such calculation any Shares
currently held by any of the Bidders). None of the Bidders shall exercise the
Option without the consent of the other Bidders.

            (e) "Affiliate" means, with respect to any specified person, any
other person that directly, or indirectly through one or more intermediaries,
controls, is controlled by, or is under common control with, such specified
person.

            (e) "control", with respect to the relationship between or among two
or more persons, means the possession, directly or indirectly or as trustee,
personal representative or executor, of the power to direct or cause the
direction of the affairs or management of a person, whether through the
ownership of voting securities, as trustee, personal representative or executor,
by contract, credit arrangement or otherwise.

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            Section 1.03 No Outside Efforts. (a) Each of the Bidders agrees that
it will not (and will not permit its directors, officers, employees, advisors or
representatives to) discuss, solicit or negotiate any acquisition, merger,
business combination or similar transaction involving, or a sale of all or
substantially all the assets of, the Company (or any Affiliate thereof), other
than the Acquisition contemplated hereby, without the prior written consent of
the other Bidders.

            (b) Each of the Bidders shall comply with its obligations under the
Acquisition Agreement and shall cause Merger Sub to comply with its obligations
under the Acquisition Agreement.

            (c) With respect to any provisions of the Acquisition Agreement that
grant rights or impose obligations on Merger Sub, such rights shall be exercised
and such obligations shall be discharged by Merger Sub acting by unanimous
consent of the Bidders.

            Section 1.04 Board Nominee. If, prior to the consummation of the
Acquisition, the Company should invite the Bidders to submit the name of a
nominee for appointment to the Board of Directors of the Company, the Bidders
shall unanimously agree upon the identity of such nominee prior to submitting
his or her name to the Company.

                                   ARTICLE II

                                    EXPENSES

            Section 2.01 Expense Sharing. All costs and expenses, including,
without limitation, fees and disbursements of counsel retained by the Bidders
collectively, financial advisors and accountants, incurred in connection with
this Agreement and the transactions contemplated hereby shall be shared among
the Bidders in the proportions set forth in Section 1.02(b), whether or not the
Acquisition shall have occurred; provided, however, that if a Bidder provides a
notice of termination to the other two Bidders in accordance with Section 6.02,
such Bidder shall only be responsible for such costs and expenses up to and
including the date of delivery of such notice, except as provided in Section
2.02 with respect to costs and expenses incurred with respect to consultants.

            Section 2.02 Consultants Deposit. The Bidders shall enter into an
escrow agreement with Cadwalader, Wickersham & Taft LLP ("CWT") substantially in
the form attached as Schedule 2.02 hereto, pursuant to which the Bidders shall
deposit with CWT, in the respective proportions set forth in Section 1.02(b),
the aggregate amount of $350,000 (the "Consultants Deposit"), which shall be
disbursed by CWT to compensate the consultants engaged by CWT in connection with
the Acquisition, as instructed by the Bidders and in accordance with a budget
approved by the Bidders. If a Bidder provides a notice of termination to the
other two Bidders in accordance with Section 6.02, such Bidder shall not be
entitled to a return of its pro rata amount of the Consultants Deposit;
provided, however, that if the Consultants Deposit is not depleted in its
entirety upon the consummation of the Acquisition (or if there are no further
amounts then due to consultants), each Bidder shall be entitled to receive its
pro rata share of the remaining amount of the Consultants Deposit, if any.

                                      -3-
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            Section 2.03 Termination Fee and Expense Reimbursement. In the event
any termination fee or expense reimbursement becomes payable by the Company to
Merger Sub under the Acquisition Agreement, such fee or reimbursement shall be
allocated to the Bidders that at such time continue to hold equity interests in
Merger Sub pro rata in accordance with such equity interests.

                                   ARTICLE III

                         REPRESENTATIONS AND WARRANTIES
                                 OF THE BIDDERS

            As an inducement to the other Bidders to enter into this Agreement,
each of the Bidders hereby represents and warrants, severally and not jointly,
to the other Bidders as follows:

            Section 3.01 Organization and Authority. Such Bidder is a limited
liability company duly organized, validly existing and in good standing under
the laws of the jurisdiction of its incorporation and has all necessary power
and authority to enter into this Agreement, to carry out its obligations
hereunder and to consummate the transactions contemplated hereby. The execution
and delivery by such Bidder of this Agreement, the performance by such Bidder of
its obligations hereunder and the consummation by such Bidder of the
transactions contemplated hereby have been duly authorized by all requisite
action (corporate or otherwise) on the part of such Bidder. This Agreement has
been duly executed and delivered by such Bidder, and (assuming due
authorization, execution and delivery by the other Bidders) this Agreement
constitutes the legal, valid and binding obligation of such Bidder, enforceable
against such Bidder in accordance with its terms.

            Section 3.02 No Conflict. The execution, delivery and performance of
this Agreement by such Bidder do not and will not (i) violate, conflict with or
result in the breach of any provision of the organizational documents of such
Bidder, (ii) conflict with or violate any law, rule or regulation or any order,
writ, judgment, injunction or decree of any government, regulatory or
administrative authority, agency, commission, court or tribunal (each, a
"Governmental Authority") applicable to such Bidder or any of its assets,
properties or businesses or (iii) conflict with, result in any breach of,
constitute a default (or event which with the giving of notice or lapse of time
or both, would become a default) under, require any consent under, or give to
others any rights of termination, amendment, acceleration, suspension,
revocation or cancellation of, any note, bond, mortgage or indenture, contract,
agreement, lease, sublease, license, permit, franchise or other instrument or
arrangement to which such Bidder is a party, which would have a material adverse
effect on the ability of such Bidder to carry out its obligations under, and to
consummate the transactions contemplated by, this Agreement.

            Section 3.03 Litigation. There are no actions, proceedings, claims,
suits, inquiries or investigations by or against such Bidder pending before any
Governmental Authority (or, to the best knowledge of such Bidder, threatened to
be brought by or before any Governmental Authority) which could affect the
legality, validity or enforceability of this Agreement or the consummation of
the transactions contemplated hereby.

                                      -4-
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            Section 3.04 Brokers. No broker, finder or investment banker is
entitled to any brokerage, finder's or other fee or commission in connection
with the transactions contemplated by this Agreement based upon arrangements
made by or on behalf of such Bidder.

                                   ARTICLE IV

                              ADDITIONAL AGREEMENTS

            Section 4.01 Confidentiality. (a) Except as required by any law,
rule or regulation or judicial process or to obtain any regulatory approval, or
as provided in clause (b) of this Section 4.01, each Bidder acknowledges and
agrees that the terms of this Agreement, the transactions contemplated hereby,
and all non-public information regarding the other parties hereto (learned in
connection with this Agreement or the transactions contemplated hereby) are
confidential and are not to be disclosed to any person without the prior written
consent of the other Bidders, provided that each Bidder may disclose such
information to those of its legal and financial advisors who have a need to know
such information in connection with their evaluation of this Agreement and the
transactions contemplated hereby, and provided further that each Bidder shall
inform such advisors of the confidential nature of such information and that
such advisors shall be bound by this Section 4.01 with respect to such
information.

            (b) Except as may be required by the federal securities laws or the
rules of any listing agreement with a national securities exchange, no party to
this Agreement shall make, or cause or permit to be made, any press release or
public announcement or make any other disclosure in respect of this Agreement or
the transactions contemplated hereby or otherwise communicate with any news
media or other third party without the prior consent of the other parties
hereto, and the parties shall cooperate as to the timing and contents of any
such press release, public announcement or other disclosure.

            Section 4.02 Indemnification. Each of the Bidders hereby agrees to
indemnify and hold harmless the other Bidders and their respective Affiliates,
officers, directors, employees, agents, successors and assigns from and against
any and all liabilities, losses, damages, claims, costs and expenses ("Losses")
actually suffered by them arising out of, relating to or resulting from the
breach of any representation or warranty or covenant or agreement made by such
Bidder in this Agreement, the Acquisition Agreement or any other agreement
entered into by such Bidder in connection with the Acquisition or any of the
transactions contemplated hereby.

            Section 4.03 Joint Filing Agreement. In accordance with the
requirements of Rule 13d-1(k) under the Securities Exchange Act of 1934, as
amended (the "Exchange Act"), and subject to the limitations set forth therein,
the Bidders agree to jointly file the Schedule 13D to which this Agreement is
attached and that such Schedule 13D is filed on behalf of each of the Bidders.
For the avoidance of doubt, this Agreement constitutes the joint filing
agreement contemplated by Rule 13d-1(i) under the Exchange Act.

            Section 4.04 Further Action. Each of the Bidders shall use its
reasonable best efforts to take, or cause to be taken, all appropriate action,
do or cause to be done all things necessary, proper or advisable under
applicable law, and to execute and deliver such documents

                                      -5-
<PAGE>

and other papers, as may be required to carry out the provisions of this
Agreement and consummate and make effective the transactions contemplated
hereby.

                                    ARTICLE V

                            RESTRICTIONS ON TRANSFER

            Section 5.01 Right of First Offer. (a) If at any time a Bidder (a
"Seller") desires to effect a transfer of all or any portion of the Shares it
holds (other than any Shares currently held by such Bidder) to any person other
than Merger Sub or an Affiliate of the Seller, the Seller shall deliver to each
of the other Bidders (the "Eligible Bidders") a notice (an "Offer Notice")
setting forth all of the material terms and conditions upon which the Seller
desires to transfer such Shares, including, without limitation, the number of
Shares to be so transferred (the "Offered Shares") and the purchase price per
Offered Share (which shall be payable solely in cash in one lump sum payment)
(the "Offer Price"), which Offer Notice shall constitute an offer to such
Eligible Bidders to sell such Offered Shares upon the terms and conditions
specified in such Offer Notice.

            (b) Upon receipt of an Offer Notice, each Eligible Bidder shall be
entitled to purchase from the Seller, upon the terms specified in the Offer
Notice, a number of Offered Shares equal to the sum of (i) (A) 50% of the
Offered Shares if there are two Eligible Bidders or (B) all of the Offered
Shares in the event there is one Eligible Bidder and (ii) if there are two
Eligible Bidders, the Offered Shares offered to the other Eligible Bidder in the
event that such other Eligible Bidder does not elect to purchase such Offered
Shares in accordance with this subsection 5.01(b). Each Eligible Bidder wishing
to purchase Offered Shares shall provide a notice (an "Acceptance Notice") to
the Seller and to the other Eligible Bidder, if applicable, not later than 15
days following receipt by such Eligible Bidder of an Offer Notice (such 15-day
period being the "Offer Period"), specifying the number of Offered Shares it
wishes to purchase (including, if applicable, the Offered Shares offered to the
other Eligible Bidder in the event that such other Eligible Bidder does not
elect to purchase such Offered Shares).

            (c) If one or two Eligible Bidders have accepted to purchase all of
the Offered Shares in accordance with subsection 5.01(b), then the Seller shall,
not later than 10 days following the expiration of the Offer Period, transfer,
assign and convey, free and clear of all liens and encumbrances, to (i) if one
Eligible Bidder has accepted to purchase all of the Offered Shares, all of the
Offered Shares to such Eligible Bidder, and such Eligible Bidder shall promptly
remit to the Seller by wire transfer in accordance with the Seller's
instructions, immediately available funds in an amount equal to the Offer Price
multiplied by the number of Offered Shares so transferred, assigned and conveyed
to such Eligible Bidder or (ii) if two Eligible Bidders have accepted to
purchase all of the Offered Shares, 50% of the Offered Shares to each Eligible
Bidder, and each such Eligible Bidder shall promptly remit to the Seller by wire
transfer in accordance with the Seller's instructions, immediately available
funds in an amount equal to the Offer Price multiplied by the number of Offered
Shares so transferred, assigned and conveyed to such Eligible Bidder.

            (d) In the event that the Eligible Bidders have not accepted to
purchase all of the Offered Shares in accordance with subsection 5.01(b), then
all (but not less than all) of the

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Offered Shares may be sold to a third party upon the terms and conditions
specified in the Offer Notice relating to such Offered Shares, provided that
such sale shall be consummated not later than 30 days following delivery of such
Offer Notice to the Eligible Bidders.

                                   ARTICLE VI

                               GENERAL PROVISIONS

            Section 6.01 Notices. All notices, requests, claims, demands and
other communications hereunder shall be in writing and shall be given or made
(and shall be deemed to have been duly given or made upon receipt) by delivery
in person, by an internationally recognized overnight courier service, by
facsimile or by registered or certified mail (postage prepaid, return receipt
requested) to the respective parties hereto at the following addresses (or at
such other address for a party as shall be specified in a notice given in
accordance with this Section 6.01):

            (a) if to Flag:

                  Flag Luxury Riv, LLC
                  650 Madison Avenue, 15th Floor
                  New York, NY 10022
                  Facsimile:  (212) 750-3034
                  Attention:  Paul Kanavos

            (b) if to Rivacq:

                  Rivacq LLC
                  c/o Cadwalader, Wickersham & Taft LLP
                  One World Financial Center
                  New York, NY 10281
                  Facsimile:  (212) 504-6666
                  Attention:  Andrew J. Perel

            (c) if to High Desert:

                  High Desert Gaming, LLC
                  900 Michigan Avenue, Suite 1900
                  Chicago, IL 60611
                  Facsimile:  (312) 915-3053
                  Attention:  Neil Bluhm

                                      -7-
<PAGE>

            in each case, with a copy to:

                  Cadwalader, Wickersham & Taft LLP
                  One World Financial Center
                  New York, NY 10281
                  Facsimile:  (212) 504-6666
                  Attention:  Andrew J. Perel

            Section 6.02 Termination. Each of the Bidders may, upon 15 days'
prior notice to each of the other Bidders, terminate this Agreement as to such
Bidder; provided, however, that the provisions of subsection 1.02(c), Sections
2.01, 2.02, 4.01, 4.02 and 5.01, Article III and this Article VI shall survive
any such termination. For the avoidance of doubt, no termination of this
Agreement by any Bidder shall affect the obligations of such Bidder under the
Westerman Purchase Agreement.

            Section 6.03 Severability. If any term or other provision of this
Agreement is invalid, illegal or incapable of being enforced by any Law or
public policy, all other terms and provisions of this Agreement shall
nevertheless remain in full force and effect for so long as the economic or
legal substance of the transactions contemplated hereby is not affected in any
manner materially adverse to either party hereto. Upon such determination that
any term or other provision is invalid, illegal or incapable of being enforced,
the parties hereto shall negotiate in good faith to modify this Agreement so as
to effect the original intent of the parties as closely as possible in an
acceptable manner in order that the transactions contemplated hereby are
consummated as originally contemplated to the greatest extent possible.

            Section 6.04 Entire Agreement. This Agreement constitutes the entire
agreement of the parties hereto with respect to the subject matter hereof and
thereof and supersedes all prior agreements and undertakings, both written and
oral, among the parties hereto and their Affiliates with respect to the subject
matter hereof.

            Section 6.05 Headings. The headings in this Agreement are for
reference purposes only and do not affect in any way the meaning or
interpretation of this Agreement.

            Section 6.06 Assignment. This Agreement may not be assigned by any
Bidder by operation of law or otherwise without the express written consent of
the other Bidders and any such assignment or attempted assignment without such
consent shall be void; provided, however, that any Bidder may, in connection
with a transfer to its Affiliate of all of the Shares held by such Bidder,
assign this Agreement to such Affiliate; provided further, however, that a
Bidder's permitted assignee of this Agreement shall execute and deliver to the
other Bidders a written agreement to be bound by the provisions of this
Agreement.

            Section 6.07 Amendment and Waiver. This Agreement may not be amended
or modified except by an instrument in writing signed by, or on behalf of, the
parties hereto. Each Bidder may (i) extend the time for the performance of any
obligation or other act of the other Bidders, (ii) waive any inaccuracy in the
representations and warranties of the other Bidders contained herein and (iii)
waive compliance with any agreement of the other Bidders or any

                                      -8-
<PAGE>

condition contained herein. Any such extension or waiver shall be valid if set
forth in an instrument in writing signed by the party or each of the parties to
be bound thereby.

            Section 6.08 No Third Party Beneficiaries. Except for the provisions
of Section 4.02 relating to indemnified parties, this Agreement shall be binding
upon and inure solely to the benefit of the parties hereto and their respective
successors and permitted assigns and nothing herein, express or implied, is
intended to or shall confer upon any other person any legal or equitable right,
benefit or remedy of any nature whatsoever.

            Section 6.09 Specific Performance. Each Bidder acknowledges and
agrees that the other Bidders would be irreparably damaged if any of the
provisions of this Agreement are not performed in accordance with their specific
terms and that any breach of this Agreement by a Bidder could not be adequately
compensated in all cases by monetary damages alone. Accordingly, in addition to
any other right or remedy to which the Bidders may be entitled, at law or in
equity, they shall be entitled to enforce any provision of this Agreement by a
decree of specific performance and to temporary, preliminary and permanent
injunctive relief to prevent breaches or threatened breaches of any of the
provisions of this Agreement, without posting any bond or other undertaking.

            Section 6.10 Governing Law. This Agreement shall be governed by, and
construed in accordance with, the laws of the State of New York. All actions
arising out of or relating to this Agreement shall be heard and determined
exclusively in any New York federal court sitting in the Borough of Manhattan of
The City of New York; provided, however, that if such federal court does not
have jurisdiction over such action, such action shall be heard and determined
exclusively in any New York State court sitting in the Borough of Manhattan of
The City of New York. The parties hereto hereby (i) submit to the exclusive
jurisdiction of any federal or state court sitting in the Borough of Manhattan
of The City of New York for the purpose of any action arising out of or relating
to this Agreement brought by any party hereto and (ii) irrevocably waive, and
agree not to assert by way of motion, defense or otherwise, in any such action,
any claim that it is not subject personally to the jurisdiction of the
above-named courts, that its property is exempt or immune from attachment or
execution, that such action is brought in an inconvenient forum, that the venue
of such action is improper, or that this Agreement or the transactions
contemplated by this Agreement may not be enforced in or by any of the
above-named courts.

            Section 6.11 Waiver of Jury Trial. Each of the parties hereto hereby
waives to the fullest extent permitted by applicable Law any right it may have
to a trial by jury with respect to any litigation directly or indirectly arising
out of, under or in connection with this Agreement or the transactions
contemplated hereby. Each of the parties hereto hereby (i) certifies that no
representative, agent or attorney of the other party has represented, expressly
or otherwise, that such other party would not, in the event of litigation, seek
to enforce the foregoing waiver and (ii) acknowledges that it has been induced
to enter into this Agreement and the transactions contemplated by this
Agreement, as applicable, by, among other things, the mutual waivers and
certifications in this Section 6.11.

            Section 6.12 Counterparts. This Agreement may be executed and
delivered (including by facsimile transmission) in one or more counterparts, and
by the different parties

                                      -9-
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hereto in separate counterparts, each of which when executed shall be deemed to
be an original, but all of which taken together shall constitute one and the
same agreement.

                [Remainder of page intentionally left blank.]

                                      -10-
<PAGE>

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

                                       FLAG LUXURY RIV, LLC

                                       By: /s/  Paul Kanavos
                                           -------------------------------------
                                          Name:  Paul Kanavos
                                          Title:  President

                                       RIVACQ LLC

                                       By: /s/  Matt Eby
                                          --------------------------------------
                                          Name:  Matt Eby
                                          Title:  Member

                                       HIGH DESERT GAMING LLC

                                       By: /s/  Greg Carlin
                                          --------------------------------------
                                          Name:  Greg Carlin
                                          Title:  Manager

<PAGE>

                                  Schedule 2.02

                                Escrow AgreementEXHIBIT 10.3

                           STOCK PURCHASE AGREEMENT

            STOCK PURCHASE AGREEMENT (this "Agreement"), dated as of December
22, 2005, among Flag Luxury Riv, LLC, a Delaware limited liability company
("Flag"), Rivacq LLC, a Delaware limited liability company, High Desert Gaming
LLC, a Delaware limited liability company (each individually, a "Buyer" and
collectively, the "Buyers"), William L. Westerman ("Westerman") and The William
L. Westerman 2004 Revocable Family Trust, a trust formed under the laws of
Nevada (the "Trust").

            WHEREAS, Westerman beneficially owns an aggregate of 2,095,593
shares of common stock, par value $.001 per share ("Shares"), of Riviera
Holdings Corporation, a Nevada corporation (the "Company"), of which 2,091,471
Shares are held by the Trust (the "Family Trust Shares") and 4,122 Shares are
held by the trustee (the "ESOP Trustee") of the Company's Employee Stock
Ownership Plan (such 4,122 Shares together with any other Shares that may be
allocated to Westerman's account with the ESOP Trustee being the "ESOP Shares"
and, together with the Family Trust Shares, the "Total Shares");

            WHEREAS, the Trust wishes to sell to each of the Buyers, and each of
the Buyers wishes to purchase from the Trust, certain of the Shares held by the
Trust, all upon the terms and subject to the conditions set forth herein; and

            WHEREAS, the Trust, Westerman and the Buyers wish to enter into
certain other mutual understandings and arrangements with respect to the Buyers'
accumulation of Shares pursuant to this Agreement;

            NOW, THEREFORE, in consideration of the premises and the mutual
agreements and covenants hereinafter set forth, and intending to be legally
bound, Westerman, the Trust and the Buyers hereby agree as follows:

                                    ARTICLE I

                             FIRST PURCHASE AND SALE

Section 1.01 First Purchase and Sale. Upon the terms and subject to the
conditions of this Agreement, at the First Closing (as defined below), the Trust
shall (and Westerman shall cause the Trust to) sell, assign, transfer, convey
and deliver to each of the Buyers the number of Shares set forth opposite such
Buyer's name under the heading "Number of First Purchased Shares" on Schedule A
hereto (collectively, the "First Purchased Shares"), and each of the Buyers
shall purchase such Shares from the Trust at a price of $15.00 per Share,
subject to adjustment as provided in Section 1.02. The Buyers may, by notice to
Westerman prior to the First Closing, elect that the First Purchased Shares and
the consideration payable

<PAGE>

therefor pursuant to Section 1.02 be allocated among the Buyers other than as
set forth on Schedule A.

            Section 1.02 First Purchase Price.(a) The aggregate purchase price
for the First Purchased Shares shall be $15,000,000 (the "First Purchase
Price"), which, subject to Section 1.01, shall be allocated among the Buyers as
set forth on Schedule A hereto. The First Purchase Price shall be adjusted in
proportion to any stock split, subdivision, reverse stock split or combination
of the Shares or similar event (each, an "Adjustment Event") occurring after the
date hereof but prior to the First Closing (as defined below).

            Section 1.03 First Closing. The sale and purchase of the First
Purchased Shares shall take place at a closing (the "First Closing") to be held
at the offices of Cadwalader, Wickersham & Taft LLP at One World Financial
Center, New York, New York (the "CWT Offices") on a date to be mutually agreed
among Westerman and the Buyers that shall be no earlier than January 3, 2006 but
no later than January 10, 2006 or at such other place or at such other time or
on such other date as Westerman and the Buyers may mutually agree upon in
writing.

            Section 1.04 First Closing Deliveries by the Trust. At the First
Closing, the Trust shall (and Westerman shall cause the Trust to) deliver or
cause to be delivered to the Buyers stock certificates evidencing the First
Purchased Shares duly endorsed in blank, or accompanied by stock powers duly
executed in blank, in form reasonably satisfactory to the Buyers and with all
required stock transfer tax stamps affixed, or such other instruments and
documents as the Buyers may reasonably deem necessary or desirable to effect the
transfer and assignment to the Buyers of the First Purchased Shares.

            Section 1.05 First Closing Deliveries by the Buyers. At the First
Closing, the Buyers shall deliver to the Trust the First Purchase Price by wire
transfer in immediately available funds to the following bank account: US Bank,
2300 West Sahara Avenue, Suite 200, Las Vegas, NV 89102, ABA number 121201694,
account number 153750972454, account name William L. Westerman (the "Trust
Account").

                                   ARTICLE II

                            SECOND PURCHASE AND SALE

            Section 2.01 Second Purchase and Sale. Upon the terms and subject to
the conditions of this Agreement, at the Second Closing (as defined below), the
Trust shall (and Westerman shall cause the Trust to) sell, assign, transfer,
convey and deliver to each of the Buyers, the number of Shares set forth
opposite such Buyer's name under the heading "Number of Second Purchased Shares"
on Schedule A hereto (collectively, the "Second Purchased Shares"), and each of
the Buyers shall purchase such Shares from the Trust at a price of $15.00 per
Share, subject to adjustment as provided in Section 2.02. The Buyers may, by
notice to the Trust prior to the Second Closing, elect that the Second Purchased
Shares and the consideration payable therefor pursuant to Section 2.02 be
allocated among the Buyers other than as set forth on Schedule A.

                                      -2-
<PAGE>

            Section 2.02 Second Purchase Price.(a) The aggregate purchase price
for the Second Purchased Shares shall be $9,750,000 (the "Second Purchase
Price"), which, subject to Section 2.01, shall be allocated among the Buyers as
set forth on Schedule A hereto. The Second Purchase Price shall be adjusted in
proportion to any Adjustment Event occurring after the date hereof but prior to
the Second Closing (as defined below).

            Section 2.03 Second Closing. The sale and purchase of the Second
Purchased Shares shall take place at a closing (the "Second Closing") to be held
at the CWT Offices not later than five business days following the satisfaction
or waiver of each of the conditions set forth in Article VI, or at such other
time or on such other date as Westerman and the Buyers may mutually agree upon
in writing.

            Section 2.04 Second Closing Deliveries by the Trust. At the Second
Closing, the Trust shall (and Westerman shall cause the Trust to) deliver or
cause to be delivered to the Buyers stock certificates evidencing the Second
Purchased Shares duly endorsed in blank, or accompanied by stock powers duly
executed in blank, in form reasonably satisfactory to the Buyers and with all
required stock transfer tax stamps affixed, or such other instruments and
documents as the Buyers may reasonably deem necessary or desirable to effect the
transfer and assignment to the Buyers of the Second Purchased Shares.

            Section 2.05 Second Closing Deliveries by the Buyers. At the Second
Closing, the Buyers shall deliver to the Trust the Second Purchase Price by wire
transfer in immediately available funds to the Trust Account.

                                   ARTICLE III

                                     OPTION

            Section 3.01 Grant of Option. Effective upon the issuance of the
Board Approvals (as defined below), the Trust hereby grants to each Buyer an
irrevocable option (the "Option") to purchase any or all of the number of Shares
set forth opposite such Buyer's name under the heading "Number of Option Shares"
on Schedule A hereto (collectively, the "Option Shares"), provided that no
single exercise of the Option by the Buyers collectively shall be for less than
20,000 Shares. In the event that any of the Option Shares have been sold or
otherwise transferred by the Trust in a Permitted Disposition (as defined
below), the number of Option Shares each Buyer is entitled to purchase as set
forth on Schedule A shall be reduced pro rata to the allocation of Option Shares
among the Buyers as currently set forth on Schedule A. The Buyers may, by notice
to the Trust prior to the Option Closing, elect that the Option Shares be
allocated among the Buyers other than as set forth on Schedule A.

            Section 3.02 Option Purchase Price.(a) The purchase price for the
Option Shares shall be $15 per Share (the "Option Purchase Price"). The Option
Purchase Price shall be adjusted in proportion to any Adjustment Event occurring
after the date hereof but prior to the applicable Option Closing (as defined
below).

            Section 3.03 Exercise of Option.(a) In the event that, from time to
time, a Buyer wishes to exercise the Option, it shall give written notice (an
"Option Notice") to the Trust (the

                                      -3-
<PAGE>

date of such notice being the "Notice Date") specifying (i) the number of Option
Shares it wishes to purchase and (ii) a date (not later than ten business days
and not earlier than five business days following the Notice Date) for closing
such purchase. The closing of the purchase and sale of Option Shares shall be
held at the CWT Offices (the "Option Closing"). Each Buyer may exercise the
Option as many times as it wishes until it has acquired all of the Option Shares
it is entitled to purchase pursuant to Section 3.01.

            Section 3.04 Option Closing Deliveries by the Trust. At the Option
Closing, the Trust shall (and Westerman shall cause the Trust to) deliver or
cause to be delivered to each Buyer that delivered an Option Notice in
accordance with Section 3.03 stock certificates evidencing the number of Option
Shares specified in such Option Notice duly endorsed in blank, or accompanied by
stock powers duly executed in blank, in form reasonably satisfactory to such
Buyer and with all required stock transfer tax stamps affixed, or such other
instruments and documents as such Buyer may reasonably deem necessary or
desirable to effect the transfer and assignment to such Buyer of such Option
Shares.

            Section 3.05 Option Closing Deliveries by the Buyers. At the Option
Closing, the Buyer who provided to the Trust the applicable Option Notice shall
deliver to the Trust the Option Purchase Price with respect to the Option Shares
specified in the applicable Option Notice by wire transfer in immediately
available funds to the Trust Account.

                                   ARTICLE IV

                         REPRESENTATIONS AND WARRANTIES
                           OF WESTERMAN AND THE TRUST

            Subject to Section 10.13, as an inducement to the Buyers to enter
into this Agreement, each of Westerman and the Trust hereby represents and
warrants, jointly and severally, to the Buyers as follows:

            Section 4.01 Formation and Authorization; Enforceability. The Trust
is a trust duly formed and validly existing under the laws of the State of
Nevada and has all necessary power and authority to enter into this Agreement,
to carry out its obligations hereunder and to consummate the transactions
contemplated hereby. Westerman is the sole trustee of the Trust. The execution
and delivery by the Trust of this Agreement, the performance by the Trust of its
obligations hereunder and the consummation by the Trust of the transactions
contemplated hereby have been duly authorized by all requisite action on the
part of the Trust. This Agreement has been duly executed and delivered by each
of the Trust and Westerman, and (assuming due authorization, execution and
delivery by the Buyers) this Agreement constitutes the legal, valid and binding
obligation of each of the Trust and Westerman, enforceable against them in
accordance with its terms.

            Section 4.02 Total Shares. (a) The Family Trust Shares are owned of
record by the Trust free and clear of any security interest, pledge, lien,
charge, encumbrance or other restriction on the use, voting, transfer, receipt
of income or other exercise of any attribute of ownership (each, an
"Encumbrance"). The Trust has the sole power to vote and the full right, power
and authority to sell, transfer and deliver the Family Trust Shares. Westerman
has the

                                      -4-
<PAGE>

right to direct the trustee of the ESOP to vote the ESOP Shares. Upon
consummation of the First Closing and registration of the First Purchased Shares
in the name of the Buyers in the stock records of the Company, the Buyers will
own the First Purchased Shares free and clear of all Encumbrances other than as
may have been created by or is attributable to the Buyers. Upon consummation of
the Second Closing and registration of the Second Purchased Shares in the name
of the Buyers in the stock records of the Company, the Buyers will own the
Second Purchased Shares free and clear of all Encumbrances other than as may
have been created by or is attributable to the Buyers. Subject to any Permitted
Disposition, upon consummation of the Option Closing and registration of the
Option Shares in the name of the Buyers in the stock records of the Company, the
Buyers will own the Option Shares free and clear of all Encumbrances other than
as may have been created by or is attributable to the Buyers. Except for this
Agreement and the Trust Agreement, dated February 13, 2004, between Westerman in
his personal capacity and Westerman in his capacity as trustee of the Trust (the
"Trust Agreement"), there are no options, voting trusts, stockholder agreements,
proxies or other agreements or understandings in effect with respect to the
voting or transfer of any of the Family Trust Shares.

            (b) As of the date hereof, to the knowledge of Westerman, the
aggregate number of issued and outstanding Shares is 12,414,255.

            Section 4.03 No Conflict. To the knowledge of Westerman, the
execution, delivery and performance of this Agreement by the Trust and Westerman
do not and will not (i) violate, conflict with or result in the breach of any
provision of the articles of incorporation or by-laws (or similar organizational
documents) of the Company or any subsidiary thereof, (ii) conflict with or
violate any statute, law, ordinance, regulation, rule, code, order, requirement
or rule of law (each, a "Law") or order, writ, judgment, injunction, decree,
stipulation, determination or award (each, an "Order") applicable to the Trust
or Westerman or any of their respective assets, properties or businesses or
(iii) conflict with, result in any breach of, constitute a default (or event
which with the giving of notice or lapse of time or both, would become a
default) under, require any consent under, or give to others any rights of
termination, amendment, acceleration, suspension, revocation or cancellation of,
or result in the creation of any Encumbrance on any of the Total Shares pursuant
to, any note, bond, mortgage or indenture, contract, agreement, lease, sublease,
license, permit, franchise or other instrument to which Westerman or the Trust
is a party or by which any of the Total Shares is bound or affected, including,
without limitation, the Trust Agreement.

            Section 4.04 Litigation. As of the date hereof, there are no
actions, proceedings, claims, suits, inquiries or investigations ("Actions") by
or against Westerman or the Trust pending before any government, regulatory or
administrative authority, agency, commission, court or tribunal (each, a
"Governmental Authority") (or, to the best knowledge of Westerman, threatened to
be brought by or before any Governmental Authority) which could affect the
legality, validity or enforceability of this Agreement or the consummation of
the transactions contemplated hereby.

            Section 4.05 Brokers. No broker, finder or investment banker is
entitled to any brokerage, finder's or other fee or commission in connection
with the transactions contemplated by this Agreement based upon arrangements
made by or on behalf of Westerman or the Trust.

                                      -5-
<PAGE>

                                    ARTICLE V

                         REPRESENTATIONS AND WARRANTIES
                                  OF THE BUYERS

            As an inducement to Westerman and the Trust to enter into this
Agreement, each of the Buyers hereby represents and warrants, severally and not
jointly, to Westerman and the Trust as follows:

            Section 5.01 Organization and Authority; Enforceability. Such Buyer
is a limited liability company duly organized, validly existing and in good
standing under the laws of the jurisdiction of the State of Delaware and has all
necessary power and authority to enter into this Agreement, to carry out its
obligations hereunder and to consummate the transactions contemplated hereby.
The execution and delivery by such Buyer of this Agreement, the performance by
such Buyer of its obligations hereunder and the consummation by such Buyer of
the transactions contemplated hereby have been duly authorized by all requisite
action (corporate or otherwise) on the part of such Buyer. This Agreement has
been duly executed and delivered by such Buyer, and (assuming due authorization,
execution and delivery by Westerman and the Trust) this Agreement constitutes
the legal, valid and binding obligation of such Buyer, enforceable against such
Buyer in accordance with its terms.

            Section 5.02 No Conflict. The execution, delivery and performance of
this Agreement by such Buyer do not and will not (i) violate, conflict with or
result in the breach of any provision of the organizational documents of such
Buyer, (ii) conflict with or violate any Law or Order applicable to such Buyer
or any of its respective assets, properties or businesses or (iii) conflict
with, result in any breach of, constitute a default (or event which with the
giving of notice or lapse of time or both, would become a default) under,
require any consent under, or give to others any rights of termination,
amendment, acceleration, suspension, revocation or cancellation of, any note,
bond, mortgage or indenture, contract, agreement, lease, sublease, license,
permit, franchise or other instrument or arrangement to which such Buyer is a
party, which would adversely affect the ability of such Buyer to carry out its
obligations under, and to consummate the transactions contemplated by, this
Agreement.

            Section 5.03 Litigation. As of the date hereof, there are no Actions
by or against such Buyer pending before any Governmental Authority (or, to the
best knowledge of such Buyer, threatened to be brought by or before any
Governmental Authority) which could affect the legality, validity or
enforceability of this Agreement or the consummation of the transactions
contemplated hereby.

            Section 5.04 Investment Intent. (a) Such Buyer is capable of
evaluating the risk of its investment in the Shares which may be purchased by it
hereunder, has been advised by counsel as to the risk of such investment and is
able to bear the economic risk of such investment. Such Buyer is purchasing
Shares hereunder for its own account for investment and not with a present view
to any distribution thereof in violation of applicable securities laws;
provided, however, that such Buyer may transfer record and/or beneficial
ownership of such Shares to one or more Affiliates (as defined below), officers
or employees of Affiliates, in all

                                      -6-
<PAGE>

cases in compliance with federal securities laws. Such Buyer is an "accredited
investor" as defined in Rule 501(a) under the Securities Act of 1933, as amended
(the "Securities Act").

            (b) The Shares to be purchased by such Buyer hereunder represent
"restricted securities" within the meaning of Rule 144(a)(3) under the
Securities Act, which cannot be resold unless (i) registered pursuant to Section
5 of the Securities Act or (ii) pursuant to an available exemption from such
registration requirement, and the certificates evidencing such Shares shall bear
the following restrictive legend:

            THE SHARES EVIDENCED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED
            UNDER THE SECURITIES ACT OF 1933, AS AMENDED ("THE SECURITIES ACT"),
            AND MAY NOT BE SOLD OR TRANSFERRED IN THE ABSENCE OF SUCH
            REGISTRATION OR AN EXEMPTION THEREFROM UNDER THE SECURITIES ACT AND
            THE TRANSFER OF SUCH SHARES IS SUBJECT TO TERMS AND CONDITIONS
            SPECIFIED IN THE STOCK PURCHASE AGREEMENT, DATED AS OF DECEMBER 21,
            2005, AMONG FLAG LUXURY RIV, LLC, RIVACQ LLC, HIGH DESERT GAMING,
            LLC, WILLIAM L. WESTERMAN AND THE WILLIAM L. WESTERMAN 2004
            REVOCABLE FAMILY TRUST.

            (c) Such Buyer acknowledges that Westerman may possess or may have
access to or the benefit of material non-public information regarding the
Company that has not been communicated to such Buyer and that such Buyer is
proceeding with the transactions contemplated by this Agreement knowingly and
voluntarily without access to or the benefit of such information and waives any
claims based thereon.

            (d) "Affiliate" means, with respect to any specified person, any
other person that directly, or indirectly through one or more intermediaries,
controls, is controlled by, or is under common control with, such specified
person.

            (e) "control", with respect to the relationship between or among two
or more persons, means the possession, directly or indirectly or as trustee,
personal representative or executor, of the power to direct or cause the
direction of the affairs or management of a person, whether through the
ownership of voting securities, as trustee, personal representative or executor,
by contract, credit arrangement or otherwise.

            Section 5.05 Brokers. No broker, finder or investment banker is
entitled to any brokerage, finder's or other fee or commission in connection
with the transactions contemplated by this Agreement based upon arrangements
made by or on behalf of the Buyers.

                                      -7-
<PAGE>

                                   ARTICLE VI

                             CONDITIONS TO CLOSINGS

            Section 6.01 Conditions to Obligations of Westerman and the Trust.
The obligations of Westerman and the Trust to consummate the transactions
contemplated by this Agreement to be consummated at the First Closing, the
Second Closing and each Option Closing (each, a "Closing"), shall be subject to
the satisfaction or prior written waiver, at or prior to such Closing, of each
of the following conditions:

            (a) (i) The representations and warranties of the Buyers contained
in this Agreement shall have been true and correct when made and shall be true
and correct as of such Closing, except to the extent such representations and
warranties are as of another date, in which case such representations and
warranties shall be correct as of that date, and (ii) the covenants and
agreements contained in this Agreement to be complied with by the Buyers on or
before such Closing shall have been complied with in all material respects;

            (b) No Order shall have been entered by or with any Governmental
Authority seeking to restrain or materially and adversely alter the transactions
contemplated by this Agreement to be consummated at such Closing; and

            (c) With respect to the Second Closing and any Option Closing, the
Nevada State Gaming Control Board, the Nevada Gaming Commission, the Clark
County Liquor and Gaming Licensing Board and the City of Las Vegas (the "Nevada
Gaming Authorities") and any other licensing authority or Governmental Authority
having authority over casino and gaming activities and operations shall have
approved the acquisition by the Buyers of the Second Purchased Shares or the
Buyers shall have received such other assurances from the Nevada Gaming
Authorities or such other licensing authority or Governmental Authority as they
may deem necessary or desirable in connection with the acquisition of the Second
Purchased Shares (the "10% Nevada Gaming Approval").

            Section 6.02 Conditions to Obligations of the Buyers. The
obligations of the Buyers to consummate the transactions contemplated by this
Agreement to be consummated at a Closing shall be subject to the satisfaction or
prior written waiver, at or prior to such Closing, of each of the following
conditions:

            (a) (i) The representations and warranties of Westerman and the
Trust contained in this Agreement shall have been true and correct when made and
shall be true and correct as of such Closing, except to the extent such
representations and warranties are as of another date, in which case such
representations and warranties shall be correct as of that date, and (ii) the
covenants and agreements contained in this Agreement to be complied with by
Westerman and the Trust on or before such Closing shall have been complied with
in all material respects;

            (b) No Order shall have been entered by or with any Governmental
Authority seeking to restrain or materially and adversely alter the transactions
contemplated by this Agreement to be consummated at such Closing;

                                      -8-
<PAGE>

            (c) With respect to the Second Closing and any Option Closing, the
Board of Directors of the Company (the "Board") shall have (i) waived, in
accordance with subsection 7(g) of Article III of the Company's Articles of
Incorporation (the "Articles") and by the requisite majority as provided
therein, the voting limitation set forth in subsection 7(b) of Article III of
the Articles with respect to the Buyers and (ii) approved the sale of the Second
Purchased Shares and the Option Shares by the Trust to the Buyers in accordance
with the provisions of subsection 78.438(1) of Title 7 of the Nevada Revised
Statutes and (iii) approved the acquisition by the Buyers, whether by merger or
otherwise, of control of the Company (an "Acquisition Transaction") (clauses
(i), (ii) and (iii) being collectively, the "Board Approvals"), provided,
however, that the approval described in the foregoing clause (iii) is subject to
any decision of the Board to withdraw such approval;

            (d) With respect to the Second Closing and any Option Closing,
neither the Articles nor the bylaws of the Company shall have been amended in a
manner that would prevent, restrain or otherwise adversely affect the
transactions contemplated by this Agreement to be consummated at such Closing;
and

            (e) With respect to the Second Closing and any Option Closing, the
10% Nevada Gaming Approval shall have been obtained.

                                   ARTICLE VII

                              ADDITIONAL AGREEMENTS

            Section 7.01 Assistance and Cooperation. (a) Subject to Section 10.3
and to his fiduciary duties as an executive officer and director of the Company,
Westerman shall:

            (i) assist and cooperate with the Buyers in obtaining (A) the 10%
      Nevada Gaming Approval and (B) such approvals of the Gaming Authorities
      (as defined below) as are necessary to consummate an Acquisition
      Transaction (the "Gaming Approvals"); and

            (ii) propose to the Board that a vacancy be created on the Board or
      that the Board be expanded and that and that a candidate nominated by the
      Buyers be appointed to the Board.

            (b) (i) "Gaming Authorities" means any or all of the Nevada Gaming
Authorities, Colorado Gaming Authorities and any other licensing or regulatory
authority or Governmental Authority whose consent, approval, license, waiver,
order, decree, determination of suitability or other authorization is necessary
or appropriate under the Gaming Laws for the consummation of an Acquisition
Transaction and any other transactions contemplated by the related Acquisition
Agreement (as defined below).

            (ii) "Colorado Gaming Authorities" means any or all of the Colorado
      Commission, the Colorado Division of Gaming, the Colorado Liquor
      Enforcement Division, the County of Gilpin and the Municipality of Black
      Hawk.

                                      -9-
<PAGE>

            (iii) "Gaming Laws" means, with respect to any person, any federal,
      state or local statute, law, ordinance, rule, regulation, permit, consent,
      approval, license, judgment, order, decree, injunction or other
      authorization governing or relating to the current or contemplated casino
      and gaming activities and operation of such person and its subsidiaries,
      including the rules and regulations of the Nevada Gaming Authorities and
      the Colorado Gaming Authorities.

            Section 7.02 Grant of Proxy. Effective upon the issuance of the
Board Approvals (and subject to any withdrawal by the Board of its approval of
an Acquisition Transaction) and subject to any Permitted Disposition, Westerman
and the Trust, by this Agreement, with respect to any of the Total Shares not
previously transferred to the Buyers, hereby (a) subject to the issuance of the
10% Nevada Gaming Approval, grant an irrevocable proxy to Flag or such other
person as Flag shall designate (and agrees to execute such documents or
certificates evidencing such proxy as the Buyers may reasonably request) to
vote, or, in the case of the ESOP Shares, to direct the ESOP Trustee to vote, at
any meeting of the stockholders of the Company, and in any action by written
consent of the stockholders of the Company, all of the Total Shares (i) in favor
of the approval of any Acquisition Transaction, the approval and adoption of any
agreement to be entered into by the Company in connection therewith (an
"Acquisition Agreement"), and the approval of all other transactions
contemplated by the foregoing, (ii) against any action, agreement or transaction
(other than any Acquisition Agreement or the transactions contemplated thereby)
or proposal that would result in a breach of any covenant, representation or
warranty or any other obligation or agreement of the Company under an
Acquisition Agreement or that could reasonably be expected to result in any of
the conditions to the Company's obligations thereunder not being fulfilled and
(iii) in favor of any other matter necessary to the consummation of any
Acquisition Transaction and considered and voted upon by the stockholders of the
Company and (b) agree to cause any of the Total Shares not previously
transferred to the Buyers to be voted in accordance with the foregoing. THIS
PROXY IS IRREVOCABLE AND COUPLED WITH AN INTEREST. Notwithstanding the
foregoing, as to any Shares that are the subject of a Permitted Disposition, the
proxy granted hereunder shall automatically terminate upon such Permitted
Disposition.

            Section 7.03 Restrictions on Transfer. (a) The Trust agrees that,
except as specifically permitted by this Agreement or an Acquisition Agreement,
it shall not, directly or indirectly, (i) sell, assign, transfer (including by
operation of law), grant a lien upon, pledge, dispose of or otherwise encumber
any of the Family Trust Shares or otherwise agree to do any of the foregoing,
(ii) deposit any of the Family Trust Shares into a voting trust or enter into a
voting agreement or arrangement or grant any proxy or power of attorney with
respect thereto that is inconsistent with this Agreement or (iii) enter into any
contract, option or other arrangement or undertaking with respect to the direct
or indirect acquisition or sale, assignment, transfer (including by operation of
law) or other disposition of any of the Family Trust Shares.

            (b) Notwithstanding anything to the contrary in this Agreement,
subsequent to the approval of an Acquisition Transaction by the stockholders of
the Company, the Trust shall be permitted to make charitable donations of an
aggregate of not more than 100,000 Shares to tax-exempt organizations (a
"Permitted Disposition").

                                      -10-
<PAGE>

            Section 7.04 Further Action. (a) Each of the parties hereto shall
use all reasonable efforts to take, or cause to be taken, all appropriate
action, do or cause to be done all things necessary, proper or advisable under
applicable law, and to execute and deliver such documents and other papers, as
may be required to carry out the provisions of this Agreement and consummate and
make effective the transactions contemplated hereby.

            (b) In the event the Buyers enter into an Acquisition Agreement,
they will agree to a provision substantially as follows: Each of the Buyers
shall, and the Buyers shall cause any entity formed by the Buyers as an
acquisition vehicle in connection with an Acquisition Transaction ("Merger Sub")
to, (i) not later than a mutually agreed number of days following the execution
of an Acquisition Agreement, file with the applicable Gaming Authorities
applications for the Gaming Approvals, (ii) not later than 90 days following the
execution of an Acquisition Agreement, prepare in draft form and provide to
Nevada counsel for the Buyers a response to the anticipated information request
from the Gaming Authorities and (iii) withdraw the application to the Gaming
Authorities of any of the Buyers if it appears reasonably likely that the
application will not be approved or will delay the issuance of the Gaming
Approvals, and following such withdrawal, proceed with the applications of the
remaining Buyers and Merger Sub.

            Section 7.05 Whole Company Transaction. The Buyers' current intent
is to enter into negotiations with the Board with the objective of entering into
an Acquisition Agreement as soon as practicable on terms reasonably acceptable
to the Buyers providing for an Acquisition Transaction at a price of not less
than $15.00 per Share in cash; provided, however, that the Buyers and Westerman
acknowledge that since the Company's press release of November 8, 2005
announcing the Company's conclusion of its strategic process, the Board has not
considered any Acquisition Transaction and there is no assurance that any such
Acquisition Transaction can be negotiated.

                                  ARTICLE VIII

                                 INDEMNIFICATION

            Section 8.01 Survival of Representations and Warranties. The
representations and warranties of the parties contained in this Agreement shall
survive the First Closing, the Second Closing and any Option Closing
indefinitely.

            Section 8.02 Indemnification by Westerman and the Trust. Westerman
and the Trust shall, jointly and severally, indemnify and hold harmless each of
the Buyers and its Affiliates, officers, directors, employees, agents,
successors and assigns (each, a "Buyer Indemnified Party") for and against any
and all liabilities, losses, damages, claims, costs and expenses, interest,
awards, judgments and penalties (including attorneys' and consultants' fees and
expenses), but excluding any diminution in value in or related to the Shares,
actually suffered or incurred by them (including any action brought or otherwise
initiated by any of them) (hereinafter a "Loss"), arising out of or resulting
from the breach of any representation, warranty, covenant or agreement made by
Westerman or the Trust contained in this Agreement. To the extent that
Westerman's or the Trust's undertakings set forth in this Section 8.02 may be
unenforceable, Westerman and the Trust shall contribute the maximum amount that
they are

                                      -11-
<PAGE>

permitted to contribute under applicable Law to the payment and satisfaction of
the Losses incurred by the Buyer Indemnified Parties.

            Section 8.03 Indemnification by the Buyers. Each of the Buyers
shall, severally but not jointly, indemnify and hold harmless Westerman and the
Trust for and against any and all Losses arising out of or resulting from:

            (a) the breach of any representation, warranty, covenant or
agreement made by such Buyer contained in this Agreement; or

            (b) any Action brought by a third party against Westerman in his
capacity as a stockholder (but not as a director or executive officer) of the
Company in connection with this Agreement (but excluding any Losses resulting
from Westerman's having been found to be in breach of his fiduciary duties to
the Company or its stockholders).

To the extent that a Buyer's undertakings set forth in this Section 8.03 may be
unenforceable, such Buyer shall contribute the maximum amount that it is
permitted to contribute under applicable Law to the payment and satisfaction of
the Losses incurred by Westerman and the Trust.

            Section 8.04 Notice of Loss; Third Party Claims. (a) A party
entitled to indemnification under this Article VIII (an "Indemnified Party")
shall give each party against whom it wishes to seek indemnification under this
Article VIII (an "Indemnifying Party") notice of any matter that an Indemnified
Party has determined has given or could give rise to a right of indemnification
under this Agreement, within 60 days of such determination, stating the amount
of the Loss, if known, and method of computation thereof, and containing a
reference to the provisions of this Agreement in respect of which such right of
indemnification is claimed or arises.

            (b) If an Indemnified Party shall receive notice of any Action,
audit, demand or assessment (each, a "Third Party Claim") against it or which
may give rise to a claim for a Loss under this Article VIII, within 30 days of
the receipt of such notice, the Indemnified Party shall give the Indemnifying
Party notice of such Third Party Claim; provided, however, that the failure to
provide such notice shall not release the Indemnifying Party from any of its
obligations under this Article VIII except to the extent that the Indemnifying
Party is materially prejudiced by such failure and shall not relieve the
Indemnifying Party from any other obligation or liability that it may have to
any Indemnified Party otherwise than under this Article VIII. If the
Indemnifying Party acknowledges in writing its obligation to indemnify the
Indemnified Party hereunder against any Losses that may result from such Third
Party Claim, then the Indemnifying Party shall be entitled to assume and control
the defense of such Third Party Claim at its expense and through counsel of its
choice if it gives notice of its intention to do so to the Indemnified Party
within five days of the receipt of notice from the Indemnified Party of such
Third Party Claim; provided, however, that if there exists or is reasonably
likely to exist a conflict of interest that would make it inappropriate in the
judgment of the Indemnified Party in its sole and absolute discretion for the
same counsel to represent both the Indemnified Party and the Indemnifying Party,
then the Indemnified Party shall be entitled to retain its own counsel in each
jurisdiction for which the Indemnified Party determines counsel is required, at
the expense

                                      -12-
<PAGE>

of the Indemnifying Party. In the event that the Indemnifying Party exercises
the right to undertake any such defense against any such Third Party Claim as
provided above, the Indemnified Party shall cooperate with the Indemnifying
Party in such defense and make available to the Indemnifying Party, at the
Indemnifying Party's expense, all witnesses, pertinent records, materials and
information in the Indemnified Party's possession or under the Indemnified
Party's control relating thereto as is reasonably required by the Indemnifying
Party. Similarly, in the event the Indemnified Party is, directly or indirectly,
conducting the defense against any such Third Party Claim, the Indemnifying
Party shall cooperate with the Indemnified Party in such defense and make
available to the Indemnified Party, at the Indemnifying Party's expense, all
such witnesses, records, materials and information in the Indemnifying Party's
possession or under the Indemnifying Party's control relating thereto as is
reasonably required by the Indemnified Party. No such Third Party Claim may be
settled by the Indemnifying Party without the prior written consent of the
Indemnified Party.

                                   ARTICLE IX

                                   TERMINATION

            Section 9.01 Termination. This Agreement shall terminate:

            (a) upon notice by the Buyers to Westerman, if (i) any
representations and warranties of Westerman or the Trust contained in this
Agreement shall not have been true and correct when made, (ii) Westerman or the
Trust shall not have complied in all material respects with the covenants and
agreements contained in this Agreement to be complied with by it or him, as the
case may be, or (iii) Westerman shall make a general assignment for the benefit
of creditors, or any proceeding shall be instituted against Westerman seeking to
adjudicate him as bankrupt or insolvent;

            (b) upon notice by Westerman to the Buyers, if (i) any
representations and warranties of the Buyers contained in this Agreement shall
not have been true and correct when made or (ii) the Buyers shall not have
complied in all material respects with the covenants and agreements contained in
this Agreement to be complied with by them;

            (c) upon the earliest of: (i) the consummation of an Acquisition
Transaction, (ii) 6 months following the date hereof, in the event an
Acquisition Agreement has not been executed by such date and (iii) (A) in the
event that an Acquisition Agreement is entered into by the Company and is
terminated in circumstances where the Company is potentially required to pay to
the Buyers or an entity controlled by them a termination fee, "topping fee" or
similar fee, 12 months following the date of such Acquisition Agreement or (B)
in the event such Acquisition Agreement is terminated for any other reason, upon
such termination;

            (v) upon notice by Westerman to the Buyers or by the Buyers to
Westerman, in the event that any Governmental Authority shall have issued an
Order or taken any other action restraining, enjoining or otherwise prohibiting
the transactions contemplated by this Agreement and such Order or other action
shall have become final and nonappealable; or

            (vi) by the mutual written consent of Westerman and the Buyer.

                                      -13-
<PAGE>

            Section 9.02 Effect of Termination. In the event of termination of
this Agreement as provided in Section 9.01, this Agreement shall forthwith
become void and there shall be no liability on the part of any party hereto
except (a) as set forth in Sections 10.01 and 10.03, (b) that nothing shall
relieve any party hereto from liability for any breach of this Agreement and (c)
the provisions of Article VIII shall indefinitely survive any termination of
this Agreement. For the avoidance of doubt, the proxy granted pursuant to
Section 7.02 shall expire upon any termination of this Agreement.

                                    ARTICLE X

                               GENERAL PROVISIONS

            Section 10.01 Expenses. Except as otherwise specified in this
Agreement, all costs and expenses, including fees and disbursements of counsel,
financial advisors and accountants, incurred in connection with this Agreement
and the transactions contemplated by this Agreement shall be paid by the party
incurring such costs and expenses.

            Section 10.02 Notices. All notices, requests, claims, demands and
other communications hereunder shall be in writing and shall be given or made
(and shall be deemed to have been duly given or made upon receipt) by delivery
in person, by an internationally recognized overnight courier service, by
facsimile or by registered or certified mail (postage prepaid, return receipt
requested) to the respective parties hereto at the following addresses (or at
such other address for a party as shall be specified in a notice given in
accordance with this Section 10.02):

            (a) if to Westerman or the Trust:

                  William L. Westerman
                  2901 Las Vegas Boulevard South
                  Las Vegas, Nevada 89109
                  Facsimile:  702-794-9227

            with a copy to:

                  Kummer Kaempfer Bonner Renshaw & Ferrario
                  3800 Howard Hughes Parkway, Seventh Floor
                  Las Vegas, NV 89109
                  Facsimile:  (702) 796-7181
                  Attention:  Robert C. Kim

            (b) if to the Buyers:
                  Flag Luxury Riv, LLC
                  650 Madison Avenue, 15th Floor
                  New York, NY 10022

                                      -14-
<PAGE>

                  Facsimile:  (212) 750-3034
                  Attention:  Paul Kanavos

            and to:

                  Rivacq LLC
                  c/o Cadwalader, Wickersham & Taft LLP
                  One World Financial Center
                  New York, NY 10281
                  Facsimile:  (212) 504-6666
                  Attention:  Andrew J. Perel

            and to:

                  High Desert Gaming, LLC
                  900 Michigan Avenue, Suite 1900
                  Chicago, IL 60611
                  Facsimile:  (312) 915-3053
                  Attention:  Neil Bluhm

            with a copy to:

                  Cadwalader, Wickersham & Taft LLP
                  One World Financial Center
                  New York, NY 10281
                  Facsimile:  (212) 504-6666
                  Attention:  Andrew J. Perel

            Section 10.03 Public Announcements. Neither Westerman or the Trust,
on the one hand, nor the Buyers, on the other hand, shall make, or cause to be
made, any press release or public announcement in respect of this Agreement or
the transactions contemplated hereby or otherwise communicate with any news
media without the prior written consent of the other party unless otherwise
required by law or applicable stock exchange regulation, and the parties shall
cooperate as to the timing and contents of any such press release, public
announcement or communication.

            Section 10.04 Severability. If any term or other provision of this
Agreement is invalid, illegal or incapable of being enforced by any Law or
public policy, all other terms and provisions of this Agreement shall
nevertheless remain in full force and effect for so long as the economic or
legal substance of the transactions contemplated hereby is not affected in any
manner materially adverse to either party hereto. Upon such determination that
any term or other provision is invalid, illegal or incapable of being enforced,
the parties hereto shall negotiate in good faith to modify this Agreement so as
to effect the original intent of the parties as closely as possible in an
acceptable manner in order that the transactions contemplated hereby are
consummated as originally contemplated to the greatest extent possible.

                                      -15-
<PAGE>

            Section 10.05 Entire Agreement. This Agreement constitutes the
entire agreement of the parties hereto with respect to the subject matter hereof
and thereof and supersedes all prior agreements and undertakings, both written
and oral, among the parties hereto with respect to the subject matter hereof.

            Section 10.06 Headings. The headings in this Agreement are for
reference purposes only and do not affect in any way the meaning or
interpretation of this Agreement.

            Section 10.07 Assignment. This Agreement may not be assigned by
operation of law or otherwise without the express written consent of Westerman,
the Trust and the Buyers (which consent may be granted or withheld in the sole
discretion of Westerman, the Trust or the Buyers) and any such assignment or
attempted assignment without such consent shall be void; provided, however, that
each of the Buyers may assign this Agreement to an Affiliate thereof and the
Buyers may assign this Agreement to Merger Sub.

            Section 10.08 Amendment. This Agreement may not be amended or
modified except (a) by an instrument in writing signed by, or on behalf of,
Westerman, the Trust and the Buyers or (b) by a written waiver executed by the
Buyers, on the one hand, or by the Westerman and the Trust, on the other hand.

            Section 10.09 No Third Party Beneficiaries. Except for the
provisions of Article VIII relating to indemnified parties, this Agreement shall
be binding upon and inure solely to the benefit of the parties hereto and their
respective successors and permitted assigns and nothing herein, express or
implied, is intended to or shall confer upon any other person any legal or
equitable right, benefit or remedy of any nature whatsoever.

            Section 10.10 Specific Performance. Westerman and the Trust
acknowledge and agree that the Buyers would be irreparably damaged if any of the
provisions of this Agreement are not performed in accordance with their specific
terms and that any breach of this Agreement by Westerman or the Trust could not
be adequately compensated in all cases by monetary damages alone. Accordingly,
in addition to any other right or remedy to which the Buyers may be entitled, at
law or in equity, it shall be entitled to enforce any provision of this
Agreement by a decree of specific performance and to temporary, preliminary and
permanent injunctive relief to prevent breaches or threatened breaches of any of
the provisions of this Agreement, without posting any bond or other undertaking.

            Section 10.11 Governing Law. This Agreement shall be governed by,
and construed in accordance with, the laws of the State of Delaware. Each of the
parties hereto (a) consents to the personal jurisdiction of any federal court
located in the State of Delaware or any Delaware state court in the event of any
action, suit or proceeding to enforce or resolve disputes under this Agreement,
(b) agrees that it will not attempt to deny or defeat such personal jurisdiction
by motion or other request for leave from any such court and (c) agrees that it
will not bring any action relating to this Agreement or the transactions
contemplated hereby in any court other than any federal court located in the
State of Delaware or any Delaware state court.

            Section 10.12 Waiver of Jury Trial. Each of the parties hereto
hereby waives to the fullest extent permitted by applicable Law any right it may
have to a trial by jury with respect

                                      -16-
<PAGE>

to any litigation directly or indirectly arising out of, under or in connection
with this Agreement or the transactions contemplated hereby. Each of the parties
hereto hereby (a) certifies that no representative, agent or attorney of the
other party has represented, expressly or otherwise, that such other party would
not, in the event of litigation, seek to enforce the foregoing waiver and (b)
acknowledges that it has been induced to enter into this Agreement and the
transactions contemplated by this Agreement, as applicable, by, among other
things, the mutual waivers and certifications in this Section 10.12.

            Section 10.13 Westerman Acting Solely as Stockholder. Westerman does
not make (and shall not be deemed to have made) any representation, warranty,
covenant, agreement or understanding herein in his capacity as a director,
officer or representative of the Company or any subsidiary thereof. Without
limiting the generality of the foregoing, Westerman enters into this Agreement
solely in his capacity as beneficial owner of the Total Shares and nothing in
this Agreement shall limit or affect any actions taken by Westerman in his
capacity as an officer, director or representative of the Company or any
subsidiary thereof or require Westerman to take any action in his capacity as an
officer, director or representative of the Company or any subsidiary thereof.

            Section 10.14 Counterparts. This Agreement may be executed and
delivered (including by facsimile transmission) in one or more counterparts, and
by the different parties hereto in separate counterparts, each of which when
executed shall be deemed to be an original, but all of which taken together
shall constitute one and the same agreement.

                [Remainder of page intentionally left blank.]

                                      -17-
<PAGE>

            IN WITNESS WHEREOF, Westerman, the Trust and the Buyers have caused
this Agreement to be executed as of the date first written above.

                                       FLAG LUXURY RIV, LLC

                                       By: /s/  Paul Kanavos
                                          --------------------------------------
                                          Name:  Paul Kanavos
                                          Title: President

                                       RIVACQ LLC

                                       By: /s/  Matt Eby
                                          --------------------------------------
                                          Name:  Matt Eby
                                          Title: Member

                                       HIGH DESERT GAMING, LLC

                                       By: /s/ Greg Carlin
                                          --------------------------------------
                                          Name:  Greg Carlin
                                          Title: Manager

                                       /s/ William L. Westerman
                                       -----------------------------------------
                                       William L. Westerman

                                       THE WILLIAM L. WESTERMAN 2004
                                          REVOCABLE FAMILY TRUST

                                       By: /s/ William L. Westerman
                                          --------------------------------------
                                          Name:  William L. Westerman
                                          Title: Trustee

<PAGE>

<TABLE>
<CAPTION>

                                                 SCHEDULE A

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

                                                          Number of                            Number
                       Number of          First            Second            Second              of
                    First Purchased      Purchase         Purchased         Purchase           Option
      Buyer             Shares            Price            Shares            Price             Shares
      -----             ------            -----            ------            -----             ------
-----------------------------------------------------------------------------------------------------------
<S>                     <C>             <C>                <C>             <C>                <C>
Flag Luxury Riv,
LLC                     400,000         $6,000,000         260,000         $3,900,000         176,588
-----------------------------------------------------------------------------------------------------------

Rivacq LLC              300,000         $4,500,000         195,000         $2,925,000         132,442
-----------------------------------------------------------------------------------------------------------

High Desert
Gaming LLC              300,000         $4,500,000         195,000         $2,925,000         132,441
-----------------------------------------------------------------------------------------------------------
</TABLE>

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