RIO HOTEL & CASINO INC
8-K, 1998-08-14
MISCELLANEOUS AMUSEMENT & RECREATION
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               SECURITIES AND EXCHANGE COMMISSION
                                
                     Washington, D.C.  20549
                                
                            FORM 8-K
                                
                         CURRENT REPORT
                                
               Pursuant to Section 13 or 15(d) of
               the Securities Exchange Act of 1934
                                
Date of Report (Date of earliest event reported) August 9, 1998
                                                -----------------
                    RIO HOTEL & CASINO, INC.
- -----------------------------------------------------------------
       (Exact name of Registrant as specified in charter)

                             Nevada
- -----------------------------------------------------------------
         (State or other jurisdiction of incorporation)

      1-11569                                   95-3671082
- ---------------------                    ------------------------
  (Commission File                            (IRS Employee
      Number)                              Identification No.)

3700 West Flamingo Road, Las Vegas, Nevada              89103
- -----------------------------------------------------------------
(Address of principal executive offices)             (Zip Code)

Registrant's telephone number, including area code (702) 252-7733
                                                  ----------------

                         Not Applicable
- -----------------------------------------------------------------
  (Former name or former address, if changed since last report)


THIS DOCUMENT CONSISTS OF 84 PAGES. THE EXHIBIT INDEX IS ON PAGE 4.

<PAGE>

ITEM 5.   OTHER EVENTS

      On  August  9,  1998, Rio Hotel & Casino,  Inc.,  a  Nevada
corporation ("Rio"), entered into an Agreement and Plan of Merger
(the  "Merger  Agreement") with Harrah's Entertainment,  Inc.,  a
Delaware  corporation, and HEI Acquisition Corp.  III,  a  Nevada
corporation ("MergerSub"), providing for the merger of  MergerSub
with  and  into Rio (the "Merger"), with Rio to be the  surviving
corporation.  If the Merger is consummated, each share of  common
stock,  par  value $0.01 per share, of Rio issued and outstanding
immediately prior to the Merger would be converted into the right
to  receive  one share of the common stock, par value  $0.10  per
share, of Harrah's.  The Merger is subject to the approval of the
stockholders  of Rio and Harrah's, the receipt of  all  necessary
gaming  and  other regulatory approvals, and the satisfaction  or
waiver of certain other conditions precedent.

      For   additional  information  concerning  the   foregoing,
reference is made to Rio's press release issued August  10,  1998
and  the  Merger  Agreement, copies  of  which  are  attached  as
exhibits  to  this  Current  Report and  incorporated  herein  by
reference.

ITEM 7.   FINANCIAL STATEMENTS AND EXHIBITS

      (A)  Financial Statements of Business Acquired.
          
           Not Applicable.
          
      (b)  Pro Forma Financial Information.
          
           Not Applicable.
          
      (c)  Exhibits.
          
           2.1  Agreement and Plan of Merger dated as of August 9,
                1998,  among  Rio Hotel & Casino,  Inc.,  Harrah's
                Entertainment, Inc. and HEI Acquisition Corp. III,
                including  as  an exhibit the form of Stockholders
                Support Agreement.
               
           20.1 Press Release issued August 10, 1998.
          
                                
                                2
                                
<PAGE>

                            SIGNATURE
                                
     Pursuant to the requirements of the Securities Exchange  Act
of  1934, the registrant has duly caused this report to be signed
on its behalf by the undersigned hereunto duly authorized.


                                 
                                 RIO HOTEL & CASINO, INC.
                                 (Registrant)
                                 
                                 
                                 
Date:  August 13, 1998           By:  /s/ Ronald J. Radcliffe
     ------------------             -----------------------------
                                      Ronald J. Radcliffe
                                      Vice President, Chief
                                      Financial Officer and
                                      Treasurer
                                 

                                3
<PAGE>


                          EXHIBIT INDEX
                                
                                
EXHIBIT                                                   PAGE
NUMBER                     DESCRIPTION                   NUMBER
- -------- ----------------------------------------------- ------
2.1      Agreement  and  Plan  of  Merger  dated  as  of    5
         August  9,  1998,  among Rio  Hotel  &  Casino,
         Inc.,  Harrah's  Entertainment,  Inc.  and  HEI
         Acquisition Corp. III, including as an  exhibit
         the form of Stockholders Support Agreement.
         
20.1     Press Release issued August 10, 1998.             78
         
                                
                                4
<PAGE>


                                
                                
                  AGREEMENT AND PLAN OF MERGER
                                
                   DATED AS OF AUGUST 9, 1998
                                
                              AMONG
                                
                  HARRAH'S ENTERTAINMENT, INC.,
                                
                    HEI ACQUISITION CORP. III
                                
                               AND
                                
                    RIO HOTEL & CASINO, INC.
                                
                                
<PAGE>


                        TABLE OF CONTENTS
                                
                                                             PAGE

ARTICLE I.    THE MERGER                                        1
           
     Section 1.1.  The Merger                                   1
     Section 1.2.  Effective Time of the Merger                 2
     Section 1.3.  Closing                                      2
     Section 1.4.  Effect of the Merger                         2
     Section 1.5.  Articles of Incorporation and Bylaws of the
                   Surviving Corporation                        2
     Section 1.6.  Directors and Officers of the Surviving
                   Corporation                                  2

ARTICLE II.   EFFECT OF THE MERGER ON SECURITIES OF THE
              CONSTITUENT CORPORATIONS                          3
           
     Section 2.1.  Conversion of Securities                     3
     Section 2.2.  Exchange of Certificates                     4
     Section 2.3.  Rio Options                                  6

ARTICLE III.  REPRESENTATIONS AND WARRANTIES OF RIO             7
           
     Section 3.1.  Organization of Rio and its Subsidiaries     7
     Section 3.2.  Capitalization.                              8
     Section 3.3.  Authority; No Conflict; Required Filings and
                   Consents.                                    9
     Section 3.4.  Public Filings; Financial Statements.       10
     Section 3.5.  No Undisclosed Liabilities                  11
     Section 3.6.  Absence of Certain Changes or Events        11
     Section 3.7.  Taxes.                                      12
     Section 3.8.  Real Property                               14
     Section 3.9.  Title to Personal Property; Liens           18
     Section 3.10. Intellectual Property                       18
     Section 3.11. Agreements, Contracts and Commitments.      19
     Section 3.12. Litigation                                  19
     Section 3.13. Environmental Matters                       20
     Section 3.14. Employee Benefit Plans.                     21
     Section 3.15. Compliance.                                 23
     Section 3.16. Accounting and Tax Matters                  24
     Section 3.17. Joint Proxy Statement/Prospectus;
                   Registration Statement                      24
     Section 3.18. Labor Matters                               25
     Section 3.19. Insurance                                   25
     Section 3.20. Opinion of Financial Advisor                25
     Section 3.21. No Existing Discussions                     25
     Section 3.22. Nevada Takeover Statute                     25
     Section 3.23. Brokers                                     26
     Section 3.24. Transactions With Affiliates                26
     Section 3.25. Year 2000                                   26

                              i
<PAGE>

ARTICLE IV.   REPRESENTATIONS AND WARRANTIES OF
              HARRAH'S AND MERGER SUB                          26
              
     Section 4.1.  Organization                                26
     Section 4.2.  Capitalization                              27
     Section 4.3.  Authority; No Conflict; Required Filings and
                   Consents                                    28
     Section 4.4.  Public Filings; Financial Statements        29
     Section 4.5.  No Undisclosed Liabilities                  29
     Section 4.6.  Litigation                                  30
     Section 4.7.  Environmental Matters                       30
     Section 4.8.  Labor Matters                               30
     Section 4.9.  Insurance                                   31
     Section 4.10. Taxes                                       31
     Section 4.11. Compliance with ERISA                       31
     Section 4.12. Intellectual Property                       32
     Section 4.13. Absence of Certain Changes or Events        32
     Section 4.14. Compliance                                  33
     Section 4.15. Accounting and Tax Matters                  34
     Section 4.16. Joint Proxy Statement/Prospectus;
                   Registration Statement                      34
     Section 4.17. Brokers                                     35
     Section 4.18. No Operations of Merger Sub                 35
     Section 4.19. Title to Property                           35
     Section 4.20. Agreements, Contracts and Commitments       35
     Section 4.21. Information Regarding HJC                   36
     Section 4.22. Opinion of Financial Advisor                36

ARTICLE V.  COVENANTS                                          36
           
     Section 5.1.  Conduct of Business of Rio                  36
     Section 5.2.  Conduct of Business of Harrah's and Merger
                   Sub                                         39
     Section 5.3.  Cooperation; Notice; Cure                   41
     Section 5.4.  No Solicitation                             41
     Section 5.5.  Joint Proxy Statement/Prospectus;
                   Registration Statement                      43
     Section 5.6.  Stockholders' Meetings                      44
     Section 5.7.  Access to Information                       44
     Section 5.8.  Governmental Approvals                      45
     Section 5.9.  Publicity                                   46
     Section 5.10. Indemnification                             46
     Section 5.11. Employee Benefits                           47
     Section 5.12. Affiliate Agreements                        48
     Section 5.13.  Pooling Accounting                         48
     Section 5.14. Tax Treatment of Reorganization             48
     Section 5.15. Further Assurances and Actions              49
     Section 5.16.  Stock Exchange Listing                     49
     Section 5.17. Letter of Rio's Accountants                 49
     Section 5.18. Letter of Harrah's Accountants              50
     Section 5.19. Appointment of Harrah's Director            50

                             ii
<PAGE>

     Section 5.20. Title Insurance                             50

ARTICLE VI.   CONDITIONS TO MERGER                             50
           
     Section 6.1.  Conditions to Each Party's Obligation to
                   Effect the Merger                           50
     Section 6.2.  Additional Conditions to Obligations of Rio 51
     Section 6.3.  Additional Conditions to Obligations of
                   Harrah's                                    52

ARTICLE VII.  TERMINATION AND AMENDMENT                        53
           
     Section 7.1.  Termination                                 53
     Section 7.2.  Effect of Termination                       54
     Section 7.3.  Fees and Expenses.                          54
     Section 7.4.  Amendment                                   56
     Section 7.5.  Extension; Waiver                           56

ARTICLE VIII.  MISCELLANEOUS                                   57
           
     Section 8.1.  Nonsurvival of Representations,
                   Warranties, Covenants and Agreements        57
     Section 8.2.  Notices                                     57
     Section 8.3.  Interpretation                              58
     Section 8.4.  Counterparts                                58
     Section 8.5.  Entire Agreement; No Third Party
                   Beneficiaries                               58
     Section 8.6.  Governing Law                               58
     Section 8.7.  Assignment                                  58
     Section 8.8.  Severability; Enforcement                   59
     Section 8.9.  Specific Performance                        59

EXHIBITS

     Exhibit A  Form of Stockholder Support Agreement
     Exhibit B  Form of Affiliate Letter
     Exhibit C  Title Insurance
     Exhibit D  Rio Representation Letter
     Exhibit E  Harrah's Representation Letter


                               iii
<PAGE>

                     TABLE OF DEFINED TERMS
                                
                                
                                               CROSS REFERENCE
TERMS                                            IN AGREEMENT
                                             
Acquisition Agreement                        Section 5.4(c)
Acquisition Proposal                         Section 5.4(a)
Affiliate                                    Section 5.12(a)
Affiliate Agreement                          Section 5.12(a)
Agreement                                    Preamble
Articles of Merger                           Section 1.2
Assemblage Parcels                           Section 3.8(k)
Average Harrah's Common Stock Price          Section 2.1(f)
Benefit Arrangement                          Section 3.14(a)(i)
Certificate                                  Section 2.1(f)
Closing                                      Section 1.3
Closing Date                                 Section 1.3
Code                                         Preamble
Confidentiality Agreements                   Section 5.4(a)
Development Parcel                           Section 3.8(k)
Effective Time                               Section 1.2
Employee Plans                               Section 3.14(a)(iii)
Environmental Claim                          Section 3.13
Environmental Condition                      Section 3.13
Environmental Laws                           Section 3.13
ERISA                                        Section 3.14(a)(iv)
ERISA Affiliate                              Section 3.14(a)(v)
Exchange Act                                 Section 2.3
Exchange Agent                               Section 2.2(a)
Exchange Fund                                Section 2.2(a)
Exchange Ratio                               Section 2.1(a)
GAAP                                         Section 3.4(b)
Governmental Approvals                       Section 5.8(a)
Governmental Entity                          Section 3.3(c)
Harrah's                                     Preamble
Harrah's Alternative Transaction             Section 7.3(c)
Harrah's Balance Sheet                       Section 4.4(b)
Harrah's Common Stock                        Section 2.1(a)
Harrah's Disclosure Schedule                 Article IV
Harrah's Material Adverse Effect             Section 4.1
Harrah's Options                             Section 4.2(a)
Harrah's Permits                             Section 4.14(a)
Harrah's Preferred Stock                     Section 4.2(a)
Harrah's Reporting Subsidiaries              Section 4.4(a)
Harrah's SEC Reports                         Section 4.4(a)

                                iv
<PAGE>

Harrah's Special Stock                       Section 4.2(a)
Harrah's Stock Option Plans                  Section 4.2(b)
Harrah's Stock Plans                         Section 4.2(a)
Harrah's Stockholders' Meeting               Section 3.17
HSR Act                                      Section 3.3(c)
Hazardous Materials                          Section 3.13
Indebtedness                                 Section 3.11(a)
Indemnified Parties                          Section 5.10(a)
IRS                                          Section 3.7(c)
Joint Proxy Statement/Prospectus             Section 3.17
Lease and Operational Documents              Section 3.8(c)
Merger                                       Preamble
Merger Consideration                         Section 2.2(b)
Merger Sub                                   Preamble
Merger Sub Common Stock                      Section 4.2(c)
Multiemployer Plan                           Section 3.14(a)(vi)
Notifying Party                              Section 5.8(a)
NRS                                          Section 1.1
NYSE                                         Section 2.1(f)
Pension Plan                                 Section 3.14(a)(vii)
Phase VI Expansion Plan                      Section 3.8(k)
Phase VI Land                                Section 3.8(k)
Registration Statement                       Section 3.17
Representation Letters                       Section 5.14
Rio                                          Preamble
Rio Alternative Transaction                  Section 7.3(c)
Rio Balance Sheet                            Section 3.4(b)
Rio Class II Preferred Stock                 Section 3.2(a)
Rio Common Stock                             Section 2.1(a)
Rio Disclosure Schedule                      Article III
Rio Gaming Laws                              Section 3.15(b)
Rio Hotel & Casino, Inc.                     Section 1.5
Rio Leased Property                          Section 3.8(a)
Rio Material Adverse Effect                  Section 3.1
Rio Material Contracts                       Section 3.11(a)
Rio Option Property                          Section 3.8(a)
Rio Options                                  Section 2.3
Rio Owned Property                           Section 3.8(a)
Rio Permits                                  Section 3.15(a)
Rio Preferred Stock                          Section 3.2(a)
Rio Real Property                            Section 3.8(a)
Rio SEC Reports                              Section 3.4(a)
Rio Stock Option Plans                       Section 2.3
Rio Stockholders' Meeting                    Section 3.17
                                 
                                v
<PAGE>
 
Rule 145                                     Section 5.12
SEC                                          Section 3.3(c)
Securities Act                               Section 3.3(c)
Series A Special Stock                       Section 4.2(a)
Stockholder Support Agreements               Preamble
Subsidiary                                   Section 3.1
Superior Proposal                            Section 5.4(a)
Surviving Corporation                        Section 1.1
Tax Return                                   Section 3.7(c)
Taxes                                        Section 3.7(c)
Third Party                                  Section 5.4(a)
Voting Debt                                  Section 3.2(b)
Welfare Plan                                 Section 3.14(a)(viii)
                                
                               vi
<PAGE>

                  AGREEMENT AND PLAN OF MERGER
                                
     AGREEMENT AND PLAN OF MERGER (this "AGREEMENT"), dated as of
August  9,  1998,  by and among HARRAH'S ENTERTAINMENT,  INC.,  a
Delaware  corporation  ("HARRAH'S"), HARRAH'S  ACQUISITION  CORP.
III, a Nevada corporation and a direct wholly-owned subsidiary of
Harrah's  ("MERGER SUB"), and RIO HOTEL & CASINO, INC., a  Nevada
corporation ("RIO").

     WHEREAS,  the Board of Directors of Rio has determined  that
the  merger of Merger Sub with and into Rio, upon the  terms  and
subject  to  the  conditions set forth  in  this  Agreement  (the
"MERGER"), is fair to, and in the best interests of, Rio and  its
stockholders;

     WHEREAS, the Boards of Directors of Harrah's and Merger  Sub
have  determined  that  the Merger is in the  best  interests  of
Harrah's and Merger Sub and their respective stockholders;

     WHEREAS,  for  federal income tax purposes, it  is  intended
that  the  Merger shall qualify as a reorganization described  in
Section  368(a) of the Internal Revenue Code of 1986, as  amended
(the "CODE");

     WHEREAS, the Boards of Directors of Harrah's, Merger Sub and
Rio  have  each approved and adopted this agreement and  approved
the Merger and the other transactions contemplated hereby.

     WHEREAS,  concurrently with the execution  and  delivery  of
this  Agreement  and  as a condition and inducement  to  each  of
Harrah's  and  Merger  Sub's  willingness  to  enter  into   this
Agreement,   certain  stockholders  of  Rio  have  entered   into
Stockholder Support Agreements with Harrah's dated as of the date
of  this Agreement in the form attached hereto as Exhibit A  (the
"STOCKHOLDER  SUPPORT  AGREEMENTS"),  pursuant  to   which   such
stockholders have agreed, among other things, to vote all  voting
securities of Rio beneficially owned by them in favor of approval
and adoption of the Agreement and the Merger;

     WHEREAS,  for accounting purposes, it is intended  that  the
transactions  contemplated by this Agreement shall  be  accounted
for as a pooling of interests;

     NOW,  THEREFORE, in consideration of the foregoing  and  the
respective  representations, warranties, covenants and agreements
set forth below, the parties agree as follows:

                           ARTICLE I.
                                
                           THE MERGER
                                
     SECTION  1.1.   THE MERGER.  Upon the terms and  subject  to
the  provisions of this Agreement and in accordance with  Chapter
92A  of the Nevada Revised Statutes (the "NRS"), at the Effective
Time (as defined in Section 1.2), Merger Sub shall be merged with
and  into Rio.  As a result of the Merger, the separate corporate
existence of Merger Sub shall cease and Rio shall continue as the
surviving corporation (the "SURVIVING CORPORATION").

                                1
<PAGE>

     SECTION 1.2.   EFFECTIVE TIME OF THE MERGER.  Subject to the
provisions  of  this  Agreement (including Section  7.1  hereof),
articles of merger with respect to the Merger in such form as  is
required by NRS Section 92A.200 (the "ARTICLES OF MERGER")  shall
be  duly  prepared,  executed  and  acknowledged  and  thereafter
delivered  to the Secretary of State of the State of  Nevada  for
filing,  as provided in the NRS, as early as practicable  on  the
Closing  Date  (as  defined in Section 1.3).   The  Merger  shall
become  effective  at  the later of the date  of  filing  of  the
Articles of Merger or at such time within 90 days of the date  of
filing  as is specified in the Articles of Merger (the "EFFECTIVE
TIME").

     SECTION  1.3.    CLOSING.  The closing of  the  Merger  (the
"CLOSING")  will take place at such time and place to  be  agreed
upon by the parties hereto, on a date to be specified by Harrah's
and  Rio,  which  shall be no later than the third  business  day
after  satisfaction or, if permissible, waiver of the  conditions
set forth in Article VI (the "CLOSING DATE"), unless another date
is agreed to by Harrah's and Rio.

     SECTION   1.4.    EFFECT  OF  THE  MERGER.   Upon   becoming
effective,  the Merger shall have the effects set  forth  in  the
NRS.   Without  limiting  the generality of  the  foregoing,  and
subject  thereto, at the Effective Time, all properties,  rights,
privileges,  powers and franchises of Merger Sub  and  Rio  shall
vest in the Surviving Corporation, and all debts, liabilities and
duties  of Merger Sub and Rio shall become the debts, liabilities
and duties of the Surviving Corporation.

     SECTION 1.5.   ARTICLES OF INCORPORATION AND BYLAWS  OF  THE
SURVIVING  CORPORATION.  At the Effective Time, the  Articles  of
Incorporation  and Bylaws of the Surviving Corporation  shall  be
amended  to  be  identical to the Articles of  Incorporation  and
Bylaws,  respectively,  of Merger Sub as  in  effect  immediately
prior  to  the  Effective  Time (except  that  the  name  of  the
Surviving  Corporation shall be "RIO HOTEL & CASINO,  INC."),  in
each case until duly amended in accordance with applicable law.

     SECTION  1.6.    DIRECTORS  AND OFFICERS  OF  THE  SURVIVING
CORPORATION.   The directors of Merger Sub immediately  prior  to
the  Effective  Time  shall  be  the  initial  directors  of  the
Surviving Corporation, each to hold office in accordance with the
Articles   of   Incorporation  and  Bylaws   of   the   Surviving
Corporation,  PROVIDED that, at Harrah's  option,  the  board  of
directors may include the existing non-employee directors of  Rio
for  a  term not to exceed 90 days following the Effective  Time.
The  officers  of Merger Sub immediately prior to  the  Effective
Time  shall be the initial officers of the Surviving Corporation,
each   to  hold  office  in  accordance  with  the  Articles   of
Incorporation and Bylaws of the Surviving Corporation.

                                2
<PAGE>

                           ARTICLE II.
                                
      EFFECT OF THE MERGER ON SECURITIES OF THE CONSTITUENT
                          CORPORATIONS
                                
     SECTION  2.1.   CONVERSION OF SECURITIES.  At the  Effective
Time, by virtue of the Merger and without any action on the  part
of  any  of  the  parties hereto or the holders of  any   of  the
following:

      (a)  RIO  COMMON  STOCK.  Each share of common  stock,  par
value  $0.01  per share, of Rio ("RIO COMMON STOCK")  issued  and
outstanding  immediately prior to the Effective Time (other  than
shares to be canceled in accordance with Section 2.1(b)) shall be
converted, subject to Section 2.1(e) and 2.1(f), into  the  right
to  receive one (the "EXCHANGE RATIO") validly issued, fully paid
and  non-assessable share of common stock, par value  $0.10   per
share, of Harrah's ("HARRAH'S COMMON STOCK").  All shares of  Rio
Common  Stock, when so converted, shall no longer be  outstanding
and  shall automatically be canceled and retired and shall  cease
to  exist, and each holder of a certificate representing any such
shares  shall  cease to have any ownership or other  rights  with
respect   thereto,  except  the  right  to  receive  the   Merger
Consideration, as defined in Section 2.2(b), in exchange for such
shares upon the surrender of such certificate in accordance  with
Section 2.2.

      (b)  CANCELLATION  OF  TREASURY  STOCK  AND  HARRAH'S-OWNED
STOCK.   All shares of Rio Common Stock that are owned by Rio  as
treasury  stock  and  any shares of Rio  Common  Stock  owned  by
Harrah's   or   any  wholly-owned  Subsidiary  (as   defined   in
Section 3.1) of Harrah's shall be canceled and retired and  shall
cease  to  exist  and  no  consideration shall  be  delivered  in
exchange therefor.

      (c)   CAPITAL  STOCK  OF  MERGER  SUB.   Each  issued   and
outstanding share of the common stock, par value $.01 per  share,
of  Merger Sub shall be converted into and become one fully  paid
and  nonassessable  share of common stock,  par  value  $.01  per
share, of the Surviving Corporation.

      (d)   RIO  DEBT  SECURITIES.  All  notes  and  other   debt
instruments  of  Rio that are outstanding at the  Effective  Time
shall continue to be outstanding subsequent to the Effective Time
as  debt  instruments  of the Surviving Corporation,  subject  to
their respective terms and provisions.

      (e)  ADJUSTMENTS  TO  EXCHANGE RATIO.  The  Exchange  Ratio
shall be adjusted to reflect fully the effect of any stock split,
reverse   split,  stock  dividend  (including  any  dividend   or
distribution of securities convertible into Harrah's Common Stock
or    Rio   Common   Stock,   as   applicable),   reorganization,
recapitalization  or  any  other  like  change  with  respect  to
Harrah's  Common  Stock or Rio Common Stock occurring  after  the
date  hereof and prior to the Effective Time.  References to  the
Exchange  Ratio elsewhere in this Agreement shall  be  deemed  to
refer to the Exchange Ratio as it may have been adjusted pursuant
to this Section 2.1(e).

      (f)   FRACTIONAL   SHARES.   No   certificates   or   scrip
representing fractional shares of Harrah's Common Stock shall  be
issued  in connection with the Merger, and such fractional  share
interests  will not entitle the owner thereof to vote or  to  any
rights as a stockholder of Harrah's.

                                3
<PAGE>

In  lieu of any such fractional shares, each holder of Rio Common
Stock  upon  surrender  of a certificate  (a  "CERTIFICATE")  for
exchange  shall  be  paid an amount in cash  (without  interest),
rounded up to the nearest cent, determined by multiplying (i) the
average closing price of Harrah's Common Stock as reported on the
New  York  Stock  Exchange ("NYSE") Composite Tape  for  the  ten
consecutive  trading  days  immediately  preceding   the   second
business  day prior to the Effective Time (the "AVERAGE  HARRAH'S
COMMON  STOCK  PRICE") by (ii) the fractional interest  to  which
such  holder  would  otherwise  be entitled  (after  taking  into
account  all  shares of Rio Common Stock then held of  record  by
such holder).

     SECTION 2.2.   EXCHANGE OF CERTIFICATES.

      (a)  EXCHANGE  AGENT.  At or prior to the  Effective  Time,
Harrah's shall deposit with a bank or trust company designated by
Harrah's and reasonably acceptable to Rio (the "EXCHANGE AGENT"),
for  the  benefit  of the holders of shares of Rio  Common  Stock
outstanding immediately prior to the Effective Time, for exchange
in  accordance with this Section 2.2, through the Exchange Agent,
(i)  certificates evidencing the shares of Harrah's Common  Stock
issuable  pursuant to Section 2.1(a) in exchange for  outstanding
shares  of Rio Common Stock and (ii) cash in an aggregate  amount
sufficient  to  pay  for fractional shares  pursuant  to  Section
2.1(f)  (the  shares  and cash so deposited,  together  with  any
dividends  or  distributions  with  respect  to  such  shares  of
Harrah's Common Stock payable after the Effective Time which also
shall  be  deposited with the Exchange Agent,  being  hereinafter
referred  to collectively as the "EXCHANGE FUND").  Any interest,
dividends  or other income earned on the investment  of  cash  or
other property held in the Exchange Fund shall be for the account
of and payable to Harrah's.

     (b)    EXCHANGE  PROCEDURES.  Promptly after  the  Effective
Time,  Harrah's will instruct the Exchange Agent to mail to  each
holder  of  record  of Certificates (i) a letter  of  transmittal
(which shall specify that delivery shall be effected, and risk of
loss  and title to the Certificates shall pass, only upon  proper
delivery  of the Certificates to the Exchange Agent and shall  be
in  such  form  and have such other provisions  as  Harrah's  may
reasonably   specify),  and  (ii)  instructions  to  effect   the
surrender  of  the Certificates in exchange for the  certificates
evidencing shares of Harrah's Common Stock (plus cash in lieu  of
fractional  shares, if any, of Harrah's Common Stock as  provided
in   Section  2.1(f)).   Upon  surrender  of  a  Certificate  for
cancellation to the Exchange Agent together with such  letter  of
transmittal, duly executed, and such other customary documents as
may be required pursuant to such instructions, the holder of such
Certificate  shall  be entitled to receive in  exchange  therefor
(A)  certificates  evidencing that  number  of  whole  shares  of
Harrah's Common Stock which such holder has the right to  receive
in accordance with the Exchange Ratio in respect of the shares of
Rio  Common Stock formerly evidenced by such Certificate, (B) any
dividends  or  distributions to which  such  holder  is  entitled
pursuant to Section 2.2(c), and (C) cash in respect of fractional
shares  as  provided in Section 2.1(f) (such shares  of  Harrah's
Common  Stock,  dividends, distributions, and cash, collectively,
the  "MERGER  CONSIDERATION"), and the Certificate so  registered
shall  forthwith  be canceled.  In the event  of  a  transfer  of
ownership  of shares of Rio Common Stock which is not  registered
in  the  transfer  records of Rio as of the Effective  Time,  the
Merger  Consideration may be issued and paid in  accordance  with
this  Article  II  to a transferee if the Certificate  evidencing
such  shares  of  Rio Common Stock is presented to  the  Exchange
Agent,  accompanied  by all documents required  to  evidence  and
effect  such  transfer  pursuant to this Section  2.2(b)  and  by
evidence that any applicable stock transfer taxes have been paid.
Until so surrendered, each outstanding Certificate

                                4
<PAGE>

that prior to the Effective Time represented shares of Rio Common
Stock  will be deemed from and after the Effective Time  for  all
corporate  purposes  (other than the  payment  of  dividends  and
subject  to  Section  2.1(f)) to evidence the  ownership  of  the
number  of  full shares of Harrah's Common Stock into which  such
shares of Rio Common Stock shall have been so converted.
     
      (c)  DISTRIBUTIONS  WITH RESPECT TO UNEXCHANGED  SHARES  OF
HARRAH'S  COMMON  STOCK.   No dividends  or  other  distributions
declared or made after the Effective Time with respect to  shares
of  Harrah's Common Stock with a record date after the  Effective
Time shall be paid to the holder of any unsurrendered Certificate
with respect to shares of Harrah's Common Stock they are entitled
to  receive until the holder of such Certificate shall  surrender
such Certificate.  Subject to applicable law, following surrender
of any such Certificate, there shall be paid to the record holder
of  the certificates representing whole shares of Harrah's Common
Stock issued in exchange therefor, without interest, at the  time
of such surrender, the amount of dividends or other distributions
with a record date after the Effective Time theretofore paid with
respect to such whole shares of Harrah's Common Stock.

      (d)  TRANSFERS  OF OWNERSHIP.  At the Effective  time,  the
stock  transfer books of Rio shall be closed, and there shall  no
further  registration of transfers of Rio Common Stock thereafter
on the records of Rio.  If any certificate for shares of Harrah's
Common  Stock is to be issued in a name other than that in  which
the  Certificate surrendered in exchange therefor is  registered,
it  will  be  a  condition  of  the  issuance  thereof  that  the
Certificate   so  surrendered  will  be  properly  endorsed   and
otherwise  in  proper  form  for transfer  and  that  the  person
requesting such exchange will have paid to Harrah's or any  agent
designated by it any transfer or other taxes required  by  reason
of  the issuance of a certificate for Harrah's shares in any name
other  than  that  of  the registered holder of  the  certificate
surrendered,  or have established to the reasonable  satisfaction
of  Harrah's or any agent designated by it that such tax has been
paid or is not payable.

      (e)  TERMINATION  OF  EXCHANGE FUND.  Any  portion  of  the
Exchange   Fund  which  remains  undistributed  to   the   former
stockholders  of Rio as of the date which is twelve months  after
the  Effective Time shall be delivered to Harrah's, upon  demand,
and  thereafter  such former stockholders of  Rio  who  have  not
theretofore  complied with this Section 2.2 shall be entitled  to
look only to Harrah's for payment of the Merger Consideration  to
which they are entitled pursuant hereto.

      (f)  NO  LIABILITY.  None of Harrah's, Merger Sub,  Rio  or
the  Exchange Agent shall be liable to any holder of  Rio  Common
Stock for any Merger Consideration delivered to a public official
pursuant to any applicable abandoned property, escheat or similar
law.

      (g)  WITHHOLDING  RIGHTS.  Harrah's or the  Exchange  Agent
shall  be  entitled  to  deduct  and  withhold  from  the  Merger
Consideration otherwise payable pursuant to this Agreement to any
holder  of  Certificates  which  prior  to  the  Effective   Time
represented  shares of Rio Common Stock such amounts as  Harrah's
or  the  Exchange Agent is required to deduct and  withhold  with
respect  to  the  making of such payment under the  Code  or  any
provision  of  state, local, or foreign tax law.  To  the  extent
that  amounts are so withheld by Harrah's or the Exchange  Agent,
such  withheld amounts shall be treated for all purposes of  this
Agreement as having been paid to the holder of the shares of  Rio
Common  Stock in respect of which such deduction and  withholding
was made by Harrah's or the Exchange Agent.

                                5
<PAGE>

      (h)  LOST, STOLEN OR DESTROYED CERTIFICATES.  In the  event
any  Certificates shall have been lost, stolen or destroyed,  the
Exchange  Agent  shall pay in exchange for such lost,  stolen  or
destroyed Certificates, upon the making of an affidavit  of  that
fact  by the holder thereof, such Merger Consideration as may  be
required  pursuant  to  Section  2.2;  PROVIDED,  HOWEVER,   that
Harrah's may, in its discretion, and as a condition precedent  to
the  issuance thereof, require the owner of such lost, stolen  or
destroyed  Certificates to deliver a bond in such sum as  it  may
reasonably direct as indemnity against any claim that may be made
against Harrah's, the Surviving Corporation or the Exchange Agent
with  respect  to  the Certificates alleged to  have  been  lost,
stolen or destroyed.

      (i)  AFFILIATES.  Notwithstanding anything  herein  to  the
contrary,  Certificates surrendered for exchange by any Affiliate
(as  defined in Section 5.12) of Rio shall not be exchanged until
the  later  of  (i) the date Harrah's has received  an  Affiliate
Agreement  (as  defined in Section 5.12) from such  Affiliate  or
(ii)   the  date  such  shares  of  Harrah's  Common  Stock   are
transferable  pursuant to the Affiliate Agreement  regardless  of
whether such agreement was executed by the Affiliate.

      SECTION 2.3.  RIO OPTIONS. Effective at the Effective Time,
subject,  if  necessary, to obtaining the consent of  the  holder
thereof,  each  unexpired  and  unexercised  outstanding  option,
whether or not then vested or exercisable in accordance with  its
terms, to purchase shares of Rio Common Stock (the "RIO OPTIONS")
previously  granted by Rio or its Subsidiaries under  Rio's  1991
Non-Statutory  Stock  Option Plan, as  amended,  1991  Directors'
Stock Option Plan, as amended, and 1995 Long-Term Incentive Plan,
as amended (collectively, the "RIO STOCK OPTION PLANS"), shall be
converted  automatically into an option to acquire the number  of
shares  of Harrah's Common Stock (a "SUBSTITUTE OPTION"), rounded
down  to  the nearest whole share, determined by multiplying  (i)
the  number  of shares of Rio Common Stock subject  to  such  Rio
Option  immediately  prior  to the Effective  Time  by  (ii)  the
Exchange Ratio.  The exercise price per share of Harrah's  Common
Stock  subject to each Substitute Option shall be  equal  to  the
exercise  price  per  share of Rio Common Stock  subject  to  the
relevant  Rio  Option  divided by the  Exchange  Ratio  and  then
rounded up to the nearest whole cent; PROVIDED, HOWEVER, that  in
the  case  of  any Rio Option which is qualified as an  incentive
stock  option  under  Section 422 of  the  Code,  the  conversion
formula (both as to number of shares to be subject to the related
Substitute   Option  and  the  exercise  price  of  the   related
Substitute  Option)  shall be adjusted, if necessary,  to  comply
with  Section 424(a) of the Code.  After the Effective Time, each
Substitute  Option shall be exercisable upon the same  terms  and
conditions   as  were  applicable  to  the  related  Rio   Option
immediately  prior to the Effective Time (including  those  terms
which may have caused such Rio Option/Substitute Option to become
exercisable  in full in connection with the consummation  of  the
transactions  contemplated  by  this  Agreement).   As  soon   as
practicable after the Effective Time, Harrah's shall  deliver  to
the  holders of the Substitute Options appropriate notice setting
forth  such  holders'  rights pursuant thereto.   The  conversion
shall  be  effected in a manner consistent with allowing Harrah's
to  account  for the Merger as a pooling of interests.   Harrah's
shall take all corporate action necessary to reserve for issuance
a  sufficient  number  of  shares of Harrah's  Common  Stock  for
delivery under the Rio Stock Option Plans, which shall be assumed
in  accordance with this Section 2.3.  Within 30 days  after  the
Effective  Time, Harrah's shall file a registration statement  on
Form  S-8  (or  any  successor or other appropriate  forms)  with
respect  to the shares of Harrah's Common Stock subject  to  such
options   and  shall  use  its  best  efforts  to  maintain   the
effectiveness  of such registration statement (and  maintain  the
current status of the

                                6
<PAGE>

prospectus or prospectuses contained therein) for so long as such
options   remain  outstanding.  Rio  (or,  if  appropriate,   any
committee administering the Rio Stock Option Plans) shall use its
best  efforts, prior to or as of the Effective Time, to take  all
necessary  actions, pursuant to and in accordance with the  terms
of  the Rio Stock Option Plans and the instruments evidencing the
Rio  Options,  to provide for the conversion of the  Rio  Options
into  options to acquire Harrah's Common Stock in accordance with
this Section 2.3.  Furthermore, Rio shall use its best efforts to
obtain  the consent of the holders of the Rio Options if required
in  connection with such conversion.  The Board of  Directors  of
Rio shall, prior to or as of the Effective Time, take appropriate
action to approve the deemed cancellation of the Rio Options  for
purposes of Section 16(b) of the Securities Exchange Act of 1934,
as  amended (the "EXCHANGE ACT").  Harrah's shall, prior to or as
of  the  Effective Time, take appropriate action to  approve  the
deemed  grant of options to purchase Harrah's Common Stock  under
the  Rio Options (as converted pursuant to this Section 2.3)  for
purposes of Section 16(b) of the Exchange Act.

                         ARTICLE III.
                                
              REPRESENTATIONS AND WARRANTIES OF RIO
                                
     Rio  represents and warrants to Harrah's and Merger Sub that
the statements contained in this Article III are true and correct
except  as  set  forth  herein  and in  the  disclosure  schedule
delivered by Rio to Harrah's and Merger Sub on or before the date
of  this  Agreement  (the "RIO DISCLOSURE  SCHEDULE").   The  Rio
Disclosure Schedule shall be arranged in paragraphs corresponding
to the numbered and lettered paragraphs contained in this Article
III  and  the  disclosure in any paragraph  shall  qualify  other
paragraphs  in  this Article III only to the extent  that  it  is
reasonable  from  a  reading  of such  disclosure  that  it  also
qualifies or applies to such other paragraphs.

     SECTION  3.1.    ORGANIZATION OF RIO AND  ITS  SUBSIDIARIES.
Each  of  Rio  and its Subsidiaries (as defined  below)  is  duly
organized, validly existing and in good standing under  the  laws
of  the  jurisdiction of its organization and has  the  requisite
corporate,  partnership or limited liability  company  power  and
authority to carry on its business as now being conducted.   Each
of  Rio and its Subsidiaries is duly qualified or licensed to  do
business  and is in good standing in each jurisdiction  in  which
the property owned, leased or operated by it or the nature of the
business  conducted by it makes such qualification  or  licensing
necessary, except where the failure to be so qualified,  licensed
or  in  good standing, would not be reasonably likely to  have  a
material adverse effect on the business or properties (including,
without limitation, Rio's development plans contemplated  by  the
Phase  VI Expansion Plan (as defined) and Rio's development plans
of  the  Phase  VI  Land  (as defined)), financial  condition  or
results  of  operations of Rio and its Subsidiaries, taken  as  a
whole (a "RIO MATERIAL ADVERSE EFFECT"); PROVIDED, HOWEVER,  that
the  effect of economic changes that are applicable to the gaming
industry   generally,  or  the  Las  Vegas  gaming  industry   in
particular,  shall  be  excluded  from  the  definition  of  "Rio
Material Adverse Effect" and from any determination as to whether
a  Rio  Material  Adverse Effect has occurred or may  occur  with
respect to Rio.  Rio has delivered to Harrah's a true and correct
copy  of the Articles of Incorporation and Bylaws of Rio, in each
case  as  amended  to  the  date  of  this  Agreement.   Assuming
compliance  by Harrah's with all Rio Gaming Laws (as  defined  in
Section 3.15(b)) (including obtaining all necessary consents  and
approvals),  the  respective organizational  documents  of  Rio's
Subsidiaries  do not contain any provision that  would  limit  or
otherwise

                                7
<PAGE>

restrict  the ability of Harrah's, following the Effective  Time,
from  owning or operating such Subsidiaries on the same basis  as
Rio.   Except  as  set forth in Rio SEC Reports  (as  defined  in
Section 3.4) filed prior to the date hereof or in Schedule 3.1 of
the   Rio  Disclosure  Schedule,  neither  Rio  nor  any  of  its
Subsidiaries  directly or indirectly owns (other  than  ownership
interests  in  Rio  or  in one or more of its  Subsidiaries)  any
equity  or similar interest in, or any interest convertible  into
or exchangeable or exercisable for, any corporation, partnership,
joint  venture or other business association or entity.  As  used
in  this Agreement, the word "Subsidiary" means, with respect  to
any   party,  any  corporation  or  other  organization,  whether
incorporated  or unincorporated, of which (i) such party  or  any
other  Subsidiary of such party is a general partner or  (ii)  at
least  a majority of the securities or other interests having  by
their  terms  ordinary voting power to elect a  majority  of  the
Board  of  Directors or others performing similar functions  with
respect to such corporation or other organization is directly  or
indirectly  owned or controlled by such party or by  any  one  or
more of its Subsidiaries, or by such party and one or more of its
Subsidiaries.

     SECTION 3.2.   CAPITALIZATION.

      (a)  The  authorized  capital  stock  of  Rio  consists  of
100,000,000  shares  of Rio Common Stock,  $0.01  par  value  per
share,  12,500,000 shares of 8% Cumulative Convertible  Preferred
Stock,  par  value $0.01 per share ("RIO PREFERRED  STOCK"),  and
10,000,000  of  Class II Preferred Stock , par  value  $0.01  per
share  ("RIO CLASS II PREFERRED STOCK").  As of the date  hereof,
(i)  24,788,433  shares  of  Rio Common  Stock  were  issued  and
outstanding,  all  of which are validly issued,  fully  paid  and
nonassessable, (ii) no shares of Rio Common Stock  were  held  in
the  treasury  of  Rio or by Subsidiaries of Rio,  and  (iii)  no
shares of Rio Preferred Stock or Rio Class II Preferred Stock are
issued  and  outstanding.  Schedule 3.2(a) of the Rio  Disclosure
Schedule  sets  forth the number of shares of  Rio  Common  Stock
reserved for future issuance upon exercise of Rio Options granted
and  outstanding as of the date hereof and the Rio  Stock  Option
Plans.  Schedule 3.2(a) of the Rio Disclosure Schedule also  sets
forth, for each Rio Stock Option Plan, the dates on which Options
under  such  plan were granted, the number of Options granted  on
each such date and the exercise price thereof. As of the date  of
this Agreement, Rio has not granted any stock appreciation rights
or  any other contractual rights (other than employment, bonus or
other  compensation arrangements which are set forth on  Schedule
3.2(a)  of  the Rio Disclosure Schedule) the value  of  which  is
derived  from  the financial performance of Rio or the  value  of
shares  of  Rio  Common Stock.  Except as disclosed  in  Schedule
3.2(a)  of  the Rio Disclosure Schedule or the Rio  SEC  Reports,
there are no obligations, contingent or otherwise, of Rio or  any
of  its  Subsidiaries to repurchase, redeem or otherwise  acquire
any  shares of Rio Common Stock or the capital stock or ownership
interests  of any Subsidiary or to provide funds to or  make  any
material  investment (in the form of a loan, capital contribution
or  otherwise) in any such Subsidiary or any other  entity  other
than  guarantees of bank obligations or indebtedness for borrowed
money  of  Subsidiaries entered into in the  ordinary  course  of
business.   All  of  the  outstanding  shares  of  capital  stock
(including   shares  which  may  be  issued  upon   exercise   of
outstanding  options)  or other ownership interests  of  each  of
Rio's  Subsidiaries  are duly authorized, validly  issued,  fully
paid  and nonassessable and, except as disclosed in Schedule  3.2
of  the Rio Disclosure Schedule or the Rio SEC Reports, all  such
shares  and  ownership  interests are owned  by  Rio  or  another
Subsidiary  of  Rio  free  and clear of all  security  interests,
liens,  claims, pledges, agreements, limitations on Rio's  voting
rights, charges or other encumbrances or restrictions on transfer
of any nature.
     
                                8
<PAGE>

      (b)   There  are  no  bonds,  debentures,  notes  or  other
indebtedness having voting rights (or convertible into securities
having  such  rights)  ("VOTING DEBT")  of  Rio  or  any  of  its
Subsidiaries  issued  and outstanding. Except  as  set  forth  in
Schedule  3.2(b) of the Rio Disclosure Schedule or  the  Rio  SEC
Reports or as reserved for future grants of options under the Rio
Stock Option Plans as of the date hereof, (i) there are no shares
of   capital  stock  of  any  class  of  Rio,  or  any   security
exchangeable  into  or  exercisable for such  equity  securities,
issued, reserved for issuance or outstanding; (ii) there  are  no
options,  warrants, equity securities, calls, rights, commitments
or  agreements  of  any character to which  Rio  or  any  of  its
Subsidiaries is a party or by which it is bound obligating Rio or
any of its Subsidiaries to issue, deliver or sell, or cause to be
issued, delivered or sold, additional shares of capital stock  or
other  ownership interests (including Voting Debt) of Rio or  any
of  its Subsidiaries or obligating Rio or any of its Subsidiaries
to  grant,  extend, accelerate the vesting of or enter  into  any
such option, warrant, equity security, call, right, commitment or
agreement; and (iii) there are no voting trusts, proxies or other
voting agreements or understandings with respect to the shares of
capital stock of Rio to which Rio or any of its Subsidiaries is a
party.   All  shares of Rio Common Stock subject to  issuance  as
specified  in this Section 3.2(b) are duly authorized  and,  upon
issuance on the terms and conditions specified in the instruments
pursuant  to  which they are issuable, shall be  validly  issued,
fully paid and nonassessable.

     SECTION 3.3.   AUTHORITY; NO CONFLICT; REQUIRED FILINGS  AND
                    CONSENTS.
                    
      (a) Rio has all requisite corporate power and authority  to
enter  into  this  Agreement and to consummate  the  transactions
contemplated  by this Agreement.  The execution and  delivery  of
this   Agreement   and  the  consummation  of  the   transactions
contemplated  hereby  by  Rio have been duly  authorized  by  all
necessary  corporate action on the part of Rio, subject  only  to
the  approval and adoption of this Agreement and the Merger by  a
majority  of  Rio's stockholders.  This Agreement has  been  duly
executed and delivered by Rio and assuming the due authorization,
execution  and  delivery by Harrah's and Merger Sub,  constitutes
the  valid and binding obligation of Rio, enforceable against  it
in accordance with its terms.

      (b)  Other than as disclosed in Schedule 3.3(b) of the  Rio
Disclosure Schedule, the execution and delivery of this Agreement
by  Rio  does  not,  and  the consummation  of  the  transactions
contemplated hereby will not, (i) conflict with, or result in any
violation  or  breach  of,  any  provision  of  the  Articles  of
Incorporation  or  Bylaws  of Rio or the  comparable  charter  or
organizational documents of any of its Subsidiaries, (ii)  result
in  any  violation or breach of, or constitute (with  or  without
notice  or lapse of time, or both) a default (or give rise  to  a
right  of  termination,  cancellation  or  acceleration  of   any
obligation or loss of any material benefit) under, or  require  a
consent  or  waiver  under,  any  of  the  terms,  conditions  or
provisions  of  any  note,  bond,  mortgage,  indenture,   lease,
contract  or other agreement, instrument or obligation  to  which
Rio or any of its Subsidiaries is a party or by which any of them
or   any  of  their  properties  or  assets  may  be  bound,   or
(iii)  subject  to  the governmental filings  and  other  matters
referred  to  in  Section 3.3(c), conflict with  or  violate  any
permit,  concession, franchise, license, judgment, order, decree,
statute, law, ordinance, rule or regulation applicable to Rio  or
any  of  its  Subsidiaries or any of its or their  properties  or
assets, except in the case of clauses (ii) and (iii) for any such
conflicts,   violations,   defaults,   terminations,    breaches,
cancellations,  accelerations  or  requirements  for  consent  or
waiver  not obtained which (x) are not, individually  or  in  the
aggregate, reasonably

                                9
<PAGE>

likely  to  have a Rio Material Adverse Effect or (y)  would  not
impair or unreasonably delay the consummation of the Merger.

      (c)  No  consent, approval, order or authorization  of,  or
registration,   declaration   or   filing   with,   any    court,
administrative  agency,  commission, gaming  authority  or  other
governmental authority or instrumentality ("GOVERNMENTAL ENTITY")
is  required by or with respect to Rio or any of its Subsidiaries
in  connection with the execution and delivery of this  Agreement
or  the  consummation  of the transactions  contemplated  hereby,
except  for (i) the filing of the pre-merger notification  report
under  the Hart-Scott-Rodino Antitrust Improvements Act of  1976,
as amended ("HSR ACT"), (ii) the filing of the Articles of Merger
with  respect  to the Merger with the Secretary of State  of  the
State   of   Nevada,  (iii)  the  filing  of  the   Joint   Proxy
Statement/Prospectus  and  the Registration  Statement  (as  such
terms  are defined in Section 5.4 below) with the Securities  and
Exchange Commission (the "SEC") in accordance with the Securities
Act  of  1933, as amended (the "SECURITIES ACT") and the Exchange
Act, (iv) any approvals and filing of notices required under  the
Rio  Gaming  Laws  (as  defined in  Section  3.15(b)),  (v)  such
consents, approvals, orders, authorizations, permits, filings  or
registrations  related  to, or arising out  of,  compliance  with
statutes,  rules or regulations regulating the consumption,  sale
or  serving of alcoholic beverages, (vi) such immaterial  filings
and consents as may be required under any environmental health or
safety   law   or  regulation  pertaining  to  any  notification,
disclosure  or required approval triggered by the Merger  or  the
transactions contemplated by this Agreement, and (vii) such other
filings,   consents,   approvals,   orders,   registrations   and
declarations  as  may  be  required  under  the   laws   of   any
jurisdiction  in  which  Rio or any of its  Subsidiaries  or  its
stockholders conducts any business or owns any assets the failure
of  which to obtain would not be reasonably likely to have a  Rio
Material Adverse Effect.

     SECTION 3.4.   PUBLIC FILINGS; FINANCIAL STATEMENTS.

      (a)  Rio  has  filed  and made available  to  Harrah's  all
forms, reports and documents required to be filed by Rio and  the
Rio  Reporting  Subsidiaries with the SEC since January  1,  1995
(collectively,  the "RIO SEC REPORTS").  Except as  disclosed  in
Schedule  3.4(a) of the Rio Disclosure Schedule,  none  of  Rio's
Subsidiaries  is  required to file forms, reports  and  documents
with  the  SEC.   The  Rio SEC Reports (including  any  financial
statements  filed as a part thereof or incorporated by  reference
therein) (i) at the time filed, complied in all material respects
with  the applicable requirements of the Securities Act  and  the
Exchange  Act, as the case may be, and (ii) did not, at the  time
they were filed (or if amended or superseded by a filing prior to
the  date  of  this Agreement, then on the date of such  filing),
contain any untrue statement of a material fact or omit to  state
a  material fact required to be stated in such Rio SEC Reports or
necessary  in  order  to  make the statements  in  such  Rio  SEC
Reports, in the light of the circumstances under which they  were
made, not misleading.

      (b)   Each   of   the  consolidated  financial   statements
(including, in each case, any related notes) of Rio contained  in
the  Rio SEC Reports complied as to form in all material respects
with  the applicable published rules and regulations of  the  SEC
with  respect thereto, was prepared in accordance with  generally
accepted  accounting principles ("GAAP") applied on a  consistent
basis throughout the periods involved (except as may be indicated
in  the  notes to such financial statements or, in  the  case  of
unaudited  statements, as indicated in the Rio SEC  Reports)  and
fairly  presented the consolidated financial position of Rio  and
its consolidated Subsidiaries as
      
                               10
<PAGE>

of  the dates and the consolidated results of its operations  and
cash  flows for the periods indicated, except that the  unaudited
interim  financial statements were or are subject to  normal  and
recurring  year-end  adjustments which, with respect  to  interim
periods  since December 31,1997, were not or are not expected  to
be  material in amount.  The audited balance sheet of Rio  as  of
December  31,1997  is  referred to herein  as  the  "RIO  BALANCE
SHEET."

     SECTION  3.5.    NO  UNDISCLOSED  LIABILITIES.   Except   as
disclosed in the Rio SEC Reports filed prior to the date of  this
Agreement or in Schedule 3.5 of the Rio Disclosure Schedule,  and
except for liabilities and obligations incurred since the date of
the  Rio  Balance  Sheet   in  the ordinary  course  of  business
consistent   with  past  practices,  Rio  and  its   consolidated
Subsidiaries  do  not  have  any  indebtedness,  obligations   or
liabilities of any kind, whether accrued, contingent or otherwise
(whether  or not required to be reflected in financial statements
in accordance with GAAP), and whether due or to become due, which
would be reasonably likely to have a Rio Material Adverse Effect.

     SECTION 3.6.   ABSENCE OF CERTAIN CHANGES OR EVENTS.  Except
as  disclosed in the Rio SEC Reports filed prior to the  date  of
this Agreement or in Schedule 3.6 of the Rio Disclosure Schedule,
since the date of the Rio Balance Sheet, Rio and its Subsidiaries
have  conducted their businesses only in the ordinary course  and
in  a  manner consistent with past practice and, since such date,
there  has not been (i) any event, development, state of  affairs
or  condition,  or series or combination of events, developments,
states  of affairs or conditions, which, individually or  in  the
aggregate, has had or is reasonably likely to have a Rio Material
Adverse Effect; (ii) any damage, destruction or loss (whether  or
not  covered  by insurance) with respect to Rio  or  any  of  its
Subsidiaries  which is reasonably likely to have a  Rio  Material
Adverse  Effect;  (iii)  any  material  change  by  Rio  in   its
accounting methods, principles or practices of which Harrah's has
not  previously been informed; (iv) any revaluation by Rio of any
of  its  assets which is reasonably likely to have a Rio Material
Adverse Effect; (v) any declaration, setting aside or payment  of
any  dividend  or other distribution (whether in cash,  stock  or
property) with respect to the equity interests of Rio or  of  any
of  its  Subsidiaries, other than dividends paid by wholly  owned
Subsidiaries or any redemption, purchase or other acquisition  by
Rio or any of its Subsidiaries of any securities of Rio or any of
its Subsidiaries; (vi) any split, combination or reclassification
of   any   of  Rio's  capital  stock  or  any  issuance  or   the
authorization of any issuance of any other securities in  respect
of,  in  lieu of or in substitution for, shares of Rio's  capital
stock;  (vii)  any  increase  in  or  establishment  of,  or  any
liability  (caused by a prior or existing violation  of  laws  or
regulations)  under,  any bonus, insurance,  severance,  deferred
compensation, pension, retirement, profit sharing, stock  option,
stock  purchase  or  other employee benefit plan,  or  any  other
increase in the compensation payable or to become payable to  any
officers  or  key employees of Rio or any Subsidiary  other  than
increases  which would not be material, individually  or  in  the
aggregate,  with respect to such officers or employees  receiving
such  benefit or compensation (based on a comparison to  benefits
and  compensation  received in the year ended December  31,1997);
(viii) any entry into, renewal, modification or extension of, any
material contract, arrangement or agreement with any other  party
except  for contracts, arrangements or agreements in the ordinary
course  of  business  or as contemplated by  this  Agreement;  or
(ix) any settlement of pending or threatened litigation involving
Rio  or  any  of its Subsidiaries (whether brought by  a  private
party  or a Governmental Entity) other than any settlement  which
is not reasonably likely to have a Rio Material Adverse Effect.

                               11
<PAGE>

     SECTION 3.7.   TAXES.

      (a)  Except  as  set forth in Schedule 3.7(a)  of  the  Rio
Disclosure Schedule:

           (i)      Each of Rio and  its  Subsidiaries  (and  any
affiliated  group  (within the meaning of  Section  1504  of  the
Code)) of which Rio or any of its Subsidiaries is now or ever has
been  a  member)  has  timely filed with the  appropriate  taxing
authorities  all  federal  and other  material  Tax  Returns  (as
defined in Section 3.7(c)) required to be filed through the  date
hereof and will timely file any such returns required to be filed
on or prior to the Closing Date.  All such Tax Returns were (and,
to  the  extent  they will be filed prior to the Effective  Time,
will be) complete and accurate in all material respects.  None of
Rio,  its  Subsidiaries,  nor any affiliated  group  (within  the
meaning of Section 1504 of the Code) of which Rio or any  of  its
Subsidiaries is now or was a member, has pending any request  for
an  extension  of  time within which to file federal  income  Tax
Returns.   Rio  has provided to Harrah's and Merger Sub  complete
and  accurate (in all material respects) copies of Rio's  federal
income Tax Returns for the taxable years ended December 31,  1992
through December 31, 1997.

           (ii)     All Taxes (as defined  in Section  3.7(c)) in
respect  of periods beginning before the Closing Date  have  been
paid  or will be timely paid, or an adequate reserve has been  or
will be established therefor in accordance with GAAP, by each  of
Rio and its Subsidiaries subject only to such exceptions as would
not  be  reasonably  likely  to  have,  individually  or  in  the
aggregate, a Rio Material Adverse Effect.

           (iii)    Rio  and each its Subsidiaries have  complied
in  all  respects with all applicable laws, rules and regulations
relating to the payment and withholding of Taxes and have, within
the time and the manner prescribed by law, withheld and paid over
to the proper governmental authorities all amounts required to be
so  withheld and paid over under applicable laws subject to  such
exceptions   as   would  not  be  reasonably  likely   to   have,
individually or in the aggregate, a Rio Material Adverse Effect.

           (iv)     No federal, state, local or foreign audits or
other   administrative  proceedings  or  court  proceedings   are
presently pending with regard to any Taxes or Tax Returns of  Rio
or  any of its Subsidiaries, subject to such exceptions as  would
not  be  reasonably  likely  to  have,  individually  or  in  the
aggregate,  a Rio Material Adverse Effect.  Neither Rio  nor  any
of its Subsidiaries has received a written notice or announcement
of  any  material audits or proceedings.  No requests for waivers
of  time to assess any Taxes are pending, none of Rio or  any  of
its  Subsidiaries  has  waived any statute  of  limitations  with
respect  to Taxes or agreed to any extension of time with respect
to  any  Tax assessment or deficiency for any open taxable  year.
The statutes of limitations for the federal income Tax Returns of
Rio  and  each of its Subsidiaries have expired for  all  taxable
years ended on or prior to December 31, 1991.

           (v)     Neither the IRS nor any other taxing authority
(whether domestic or foreign) has asserted in writing, or to  the
best  knowledge of Rio, is threatening in writing to assert,  (a)
against  Rio or any of its Subsidiaries any deficiency  or  claim
for  Taxes  in  excess  of the reserves established  therefor  or
(b) that Rio or any of its Subsidiaries should have, but did not,
file  a Tax Return in a particular jurisdiction where Rio or  any
such Subsidiary do not regularly file

                               12
<PAGE>

Tax  Returns, except as which would not be reasonably  likely  to
have a Rio Material Adverse Effect.

      (b)   Except  as  set  forth  in  Schedule  3.7(b)  of  Rio
Disclosure Schedule:

           (i)  There are no liens for Taxes upon any property or
assets  of  Rio or any Subsidiary thereof, except for  liens  for
Taxes  not yet due and payable and liens for Taxes that are being
contested  in good faith by appropriate proceedings as set  forth
in  Schedule  3.7(a) of Rio Disclosure Schedule and as  to  which
adequate  reserves have been established in accordance with  GAAP
except  as  which  would  not  be  reasonably  likely  to   have,
individually or in the aggregate, a Rio Material Adverse Effect.

           (ii) Neither Rio nor any of its Subsidiaries is or has
been  a  member of an affiliated group of corporations  filing  a
consolidated   federal  income  tax  return  (or   a   group   of
corporations  filing a consolidated, combined or  unitary  income
tax return under comparable provisions of state, local or foreign
tax law) for any taxable period beginning on or after January  1,
1992, other than a group the common parent of which is or was Rio
or any Subsidiary of Rio.

           (iii) Neither  Rio  nor  any of  its Subsidiaries  has
(a)  any  obligation under any Tax sharing agreement  or  similar
arrangement  with any other person with respect to Taxes  of  any
other  person  or  (b) except as which would  not  be  reasonably
likely  to have, individually or in the aggregate, a Rio Material
Adverse Effect, entered into a closing agreement or other similar
agreement related to Taxes with any taxing authority for any open
or future taxable year.

           (iv) Neither Rio nor any of its Subsidiaries has, with
regard to any assets or property held or acquired by any of them,
filed a consent to the application of Section 341(f) of the Code,
or  agreed  to  have Section 341(f)(2) of the Code apply  to  any
disposition of a subsection (f) asset (as such term is defined in
Section  341(f)(4)  of  the Code) owned by  Rio  or  any  of  its
Subsidiaries;

           (v)   To the best knowledge of Rio, no member  of  the
Rio affiliated group (as defined in Section 1504 of the Code) has
recognized   any   gain  in  connection  with  any   intercompany
transaction  that  has  been  deferred  for  federal  income  tax
purposes,  except for such gains as have been taken into  account
on  Tax Returns filed prior to the date hereof in accordance with
Treas.  Reg.  Section 1.1502-13, except as  which  would  not  be
reasonably  likely to have, individually or in the  aggregate,  a
Rio Material Adverse Effect.

           (vi)  Rio has no stockholder who has held more than 5%
of  any  class of Rio stock within the last five years  for  whom
such  stock  would be treated as a "United States  real  property
interest" within the meaning of Section 897(c) of the Code.

           (vii)    Neither  Rio nor any of its Subsidiaries  has
agreed  to, or is required to make, any adjustments under Section
481  of  the Code for any open or future taxable year, except  as
which would not be reasonably likely to have, individually or  in
the aggregate, a Rio Material Adverse Effect.

      (c)  "TAXES"  shall mean any and all taxes, charges,  fees,
levies,  duties,  liabilities, impositions or other  assessments,
including, without limitation, income, gross receipts, profits,

                               13
<PAGE>

alternative or add-on minimum, excise, real (due and payable)  or
personal  property, environmental, recapture, sales, use,  value-
added,   withholding,  social  security,  estimated   retirement,
employment,   unemployment,  disability,   occupation,   service,
registration,  license,  customs  duties,  net  worth,   payroll,
franchise,  gains,  stock, stamp, transfer and  recording  taxes,
fees and charges, imposed by the Internal Revenue Service ("IRS")
or  any  other  taxing  authority (whether  domestic  or  foreign
including,  without  limitation,  any  state,  county,  local  or
foreign  government or any subdivision or taxing  agency  thereof
(including  a United States possession)), whether computed  on  a
separate, consolidated, unitary, combined or any other basis; and
such  term  shall include any interest whether paid or  received,
fines,  penalties  or  additional  amounts  attributable  to,  or
imposed upon, or with respect to, any such taxes, charges,  fees,
levies  or other assessments. "TAX RETURN" shall mean any report,
return,  document,  declaration or other  information  or  filing
required  to  be supplied to any taxing authority or jurisdiction
(foreign  or domestic) with respect to Taxes, including,  without
limitation, any amendments of any such tax or information returns
and any schedules, exhibits or other documents with respect to or
accompanying any such tax or information returns or any  payments
of estimated Taxes or requests for the extension of time in which
to  file any such report, return, document, declaration or  other
information.

      (d)  For  purposes  of this Section 3.7,  the  phrase  "Rio
Material Adverse Effect" shall include any tax liability or group
of  tax liabilities exceeding $1,000,000 for any taxable year  or
$5,000,000 for all open taxable years.

     SECTION 3.8.   REAL PROPERTY.

      (a)   Schedule  3.8(a)  of  the  Rio  Disclosure   Schedule
identifies  all  real property owned by Rio and its  Subsidiaries
(the  "RIO OWNED PROPERTY"), all real property for which Rio  and
its  Subsidiaries have an option to purchase or  right  of  first
refusal (the "RIO OPTION PROPERTY"), all real property for  which
Rio  and  its  Subsidiaries have equitable interests as  contract
purchasers under executed purchase and sale agreements (the  "RIO
CONTRACT  PROPERTY"), all real property for  which  Rio  and  its
Subsidiaries  have equitable interests as profit participants  in
the   proceeds   from  any  disposition  thereof   ("RIO   PROFIT
PARTICIPATION PROPERTY") and all real property leased or operated
by Rio and its Subsidiaries (the "RIO LEASED PROPERTY").  The Rio
Owned  Property,  the  Rio  Option  Property,  the  Rio  Contract
Property,  the  Rio  Profit Participation Property  and  the  Rio
Leased  Property is referred to herein collectively as  the  "RIO
REAL  PROPERTY."   For  purposes of this  Agreement,  "RIO  SPACE
LEASES" means the leases identified as such on Schedule 3.8(a) of
the  Rio  Disclosure Schedule.  For purposes of  this  Agreement,
"RIO  PERMITTED LIENS" means (a) mechanic's carriers',  workers',
repairers', materialmen's, warehousemen's and other similar liens
arising  or incurred in the ordinary course of business for  sums
not yet due and payable and such liens as are being contested  by
Rio or its Subsidiaries in good faith, provided such liens do not
individually  or  in  the aggregate have a Rio  Material  Adverse
Effect,  (b) liens arising or resulting from any action taken  by
Harrah's,  (c) liens for current taxes not yet due  and  payable,
(d)   any   covenants,  conditions,  restrictions,  reservations,
rights,  liens, easements, encumbrances, encroachments and  other
matters  affecting  title which do not  individually  or  in  the
aggregate  have a Rio Material Adverse Effect, (e) the Lease  and
Operational  Documents (as defined in Section 3.8(c)  below)  and
(f) matters permitted pursuant to Section 5.1 hereof.

                               14
<PAGE>

      (b)  Rio  and its Subsidiaries have good, valid, legal  and
marketable  fee  simple title to the Rio Owned  Property,  and  a
valid  leasehold interest in the Rio Leased Property,  sufficient
to  allow  each  of Rio and its Subsidiaries to conduct,  and  to
continue   to  conduct,  its  business  as  and  where  currently
conducted.  The interests of Rio and its Subsidiaries in the  Rio
Controlled  Real Property (as defined in Section  3.8(c)  below),
and  to  the best knowledge of Rio, the interests of Rio and  its
Subsidiaries in the Rio Real Property which is not Rio Controlled
Real  Property,  are  free  and  clear  of  any  and  all  liens,
encumbrances, restrictions, leases, options to purchase,  options
to  lease, conditions, covenants, assessments, defects, claims or
exceptions,  except  for  the exceptions  described  in  Schedule
3.8(b)  of  the  Rio  Disclosure Schedule and the  Rio  Permitted
Liens.   Prior to the date hereof, Rio has delivered to  Harrah's
true  and  correct copies of all title reports and  policies  and
surveys currently in Rio's possession for each respective  parcel
of Rio Real Property, each of which title reports, title policies
and  surveys  is listed for each parcel of Rio Real  Property  in
Schedule 3.8(b) of the Rio Disclosure Schedule.  Schedule  3.8(b)
of  the Rio Disclosure Schedule sets forth the date of each  such
title report, title policy and survey.

      (c)  Part  I  of  Schedule 3.8(c)  of  the  Rio  Disclosure
Schedule lists all of the material documents under which the  Rio
Owned  Property and the Rio Leased Property is owned,  developed,
constructed,  leased, operated, managed or licensed  (the  "LEASE
AND  OPERATIONAL  DOCUMENTS"), true and correct copies  of  which
have  been  delivered or made available for review  to  Harrah's.
Part  II of  Schedule 3.8(c) of the Rio Disclosure Schedule lists
all  of  the  material  documents  relating  to  the  rights  and
obligations of Rio and its Subsidiaries with respect to  the  Rio
Option  Property, the Rio Contract Property and  the  Rio  Profit
Participation  Property (the "EQUITABLE RIGHTS DOCUMENTS"),  true
and correct copies of which have been delivered or made available
for  review to Harrah's.  The Lease and Operational Documents and
the  Equitable  Rights Agreements are unmodified (except  as  set
forth in Schedule 3.8(c) of the Rio Disclosure Schedule), are  in
full   force  and  effect,  and  there  are  no  other   material
agreements,  written  or  oral,  between  Rio  or  any   of   its
Subsidiaries  and any third party with respect to  the  Rio  Real
Property  or otherwise relating to the development, construction,
ownership,  improvement,  use  and  occupancy  of  the  Rio  Real
Property.  Except as disclosed on Part III of Schedule 3.8(c)  of
the Rio Disclosure Schedule, none of Rio, its Subsidiaries or (to
the best knowledge of Rio) any other party is in material default
under the Lease and Operational Documents or the Equitable Rights
Agreements  and,  to  the  best knowledge  of  Rio,  no  material
defaults   (except  those  subsequently  cured)   by   Rio,   its
Subsidiaries  or  any  other party have been alleged  thereunder.
For  purposes  of this Agreement, "RIO CONTROLLED REAL  PROPERTY"
shall  mean  (i)  all  Rio Owned Property; (ii)  all  Rio  Leased
Property;  and  (iii)  all  Rio  Option  Property,  Rio  Contract
Property  and Rio Profit Participation Property where  the  other
party  or parties to the applicable Equitable Rights Document  is
an Affiliate of Rio.

      (d)  Except  as  disclosed in Schedule 3.8(d)  of  the  Rio
Disclosure  Schedule,  (i)  no  portion  of  the  Rio  Controlled
Property  (exclusive  of  Rio Leased  Property  under  Rio  Space
Leases), and to the best knowledge of Rio, no portion of the  Rio
Real  Property which is not Rio Controlled Real Property,  is  in
violation  of  any applicable laws, regulations  or  restrictions
(including  zoning  laws  and  regulations),  except   for   such
violations which, individually or in the aggregate, would not  be
reasonably likely to result in a Rio Material Adverse Effect; and
(ii)  there are no defects in the physical condition of  the  Rio
Controlled Real Property (exclusive of Rio Leased Property  under
Rio Space Leases) or the improvements located thereon, and to the
best  knowledge  of  Rio, there are no defects  in  the  physical
condition of the Rio Real Property which is

                               15
<PAGE>

not  Rio  Controlled  Real Property or the  improvements  located
thereon,  except  for  defects  which,  individually  or  in  the
aggregate, would not be reasonably likely to have a Rio  Material
Adverse Effect.

      (e)  Except  as  disclosed in Schedule 3.8(e)  of  the  Rio
Disclosure Schedule, there is no action, proceeding or litigation
pending  (or,  to the best knowledge of Rio, overtly contemplated
or  threatened)  (i) to take all or any portion  of  any  of  the
respective parcels of the Rio Controlled Real Property (exclusive
of  Rio  Leased Property under Rio Space Leases), or any interest
therein,  by  eminent domain; (ii) to modify the  zoning  of,  or
other  governmental rules or restrictions applicable to,  any  of
the  respective  parcels  of  the Rio  Controlled  Real  Property
(exclusive of Rio Leased Property under Rio Space Leases) or  the
use  or  development  thereof; (iii) for any street  widening  or
changes  in highway or traffic lanes or patterns in the immediate
vicinity  of any of the respective parcels of the Rio  Controlled
Real  Property (exclusive of Rio Leased Property under Rio  Space
Leases);  or  (iv)  otherwise relating to any of  the  respective
parcels  of  the Rio Controlled Real Property (exclusive  of  Rio
Leased  Property under Rio Space Leases) or the interests of  Rio
and  its Subsidiaries therein, or which otherwise would interfere
with   the   use,  ownership,  improvement,  development   and/or
operation  of any of the respective parcels of the Rio Controlled
Real  Property (exclusive of Rio Leased Property under Rio  Space
Leases);  in  each case except for such actions,  proceedings  or
litigation which, individually or in the aggregate, would not  be
reasonably expected to have a Rio Material Adverse Effect. Except
as  disclosed in Schedule 3.8(e) of the Rio Disclosure  Schedule,
to  the best knowledge of Rio, there is no action, proceeding  or
litigation pending or overtly contemplated or threatened  (w)  to
take  all or any portion of any of the respective parcels of  the
Rio  Real Property which is not Rio Controlled Real Property,  or
any interest therein, by eminent domain; (x) to modify the zoning
of,  or  other governmental rules or restrictions applicable  to,
any  of the respective parcels of the Rio Real Property which  is
not  Rio  Controlled Rio Real Property or the use or  development
thereof;  (y)  for any street widening or changes in  highway  or
traffic lanes or patterns in the immediate vicinity of any of the
respective  parcels of the Rio Real Property  which  is  not  Rio
Controlled Real Property; or (z) otherwise relating to any of the
respective  parcels of the Rio Real Property  which  is  not  Rio
Controlled  Real  Property,  or the  interests  of  Rio  and  its
Subsidiaries therein, or which otherwise would interfere with the
use, ownership, improvement, development and/or operation of  any
of  the respective parcels of the Rio Real Property which is  not
Rio  Controlled  Real  Property; in each  case  except  for  such
actions, proceedings or litigation which, individually or in  the
aggregate,  would  not  be reasonably  expected  to  have  a  Rio
Material Adverse Effect.

      (f)  Except  as  disclosed in Schedule 3.8(f)  of  the  Rio
Disclosure Schedule, no portion of any of the respective  parcels
of  the  Rio  Controlled Real Property (exclusive of  Rio  Leased
Property  under Rio Space Leases), and to the best  knowledge  of
Rio,  no portion of any of the respective parcels of the Rio Real
Property  which  is  not  Rio Controlled Real  Property:  (i)  is
situated  in  a "Special Flood Hazard Area," as set  forth  on  a
Federal Emergency Management Agency Flood Insurance Rate  Map  or
Flood Hazard Boundary Map; (ii) was the former site of any public
or private landfill, dump site, retention basin or settling pond;
(iii)  was the former site of any oil or gas drilling operations;
or  (iv)  was the former site of any experimentation, processing,
refining,  reprocessing, recovery or manufacturing operation  for
any petrochemicals.

      (g)  Except  as  disclosed in Schedule 3.8(g)  of  the  Rio
Disclosure  Schedule,  each parcel of  the  Rio  Controlled  Real
Property (exclusive of Rio Leased Property under Rio Space

                               16
<PAGE>

Leases),  and  to the best knowledge of Rio, each parcel  of  Rio
Real  Property  which  is not Rio Controlled  Real  Property,  is
assessed separately from all other adjacent property for purposes
of real property taxes.
     
      (h)  Except  as shown in Part I of Schedule 3.8(h)  of  the
Rio   Disclosure   Schedule  each  of  the   respective   parcels
constituting  Rio  Controlled Real  Property  (exclusive  of  Rio
Leased  Property  under  Rio  Space  Leases),  and  to  the  best
knowledge of Rio, each of the respective parcels constituting Rio
Real  Property  which  is not Rio Controlled  Real  Property,  is
connected to and serviced by adequate water, sewage disposal, gas
and  electricity facilities.  All material systems (heating,  air
conditioning,  electrical, plumbing and the like) for  the  basic
operation of each of the businesses currently conducted  at  each
of  the  respective parcels of the Rio Controlled  Real  Property
(exclusive of Rio Leased Property under Rio Space Leases), or the
best  knowledge of Rio, at each of the respective parcels of  the
Rio  Real Property which is not Rio Controlled Real Property, are
operable and in satisfactory working condition (ordinary wear and
tear  excepted),  except as would not be reasonably  expected  to
have  a  Rio  Material Adverse Effect.  Each  of  the  respective
parcels  constituting Rio Real Property is zoned as described  in
Part II of Schedule 3.8(h) of the Rio Disclosure Schedule.

      (i)  There  are  no material commitments to  or  agreements
with  any  governmental authority or agency  (federal,  state  or
local)  affecting any parcel of the Rio Controlled Real  Property
(exclusive  of Rio Leased Property under Rio Space Leases)  which
are not listed in Schedule 3.8(i) of the Rio Disclosure Schedule.
To  the  best knowledge of Rio, there are no material commitments
to  or  agreements  with  any governmental  authority  or  agency
(federal,  state or local) affecting any parcel of the  Rio  Real
Property  other than Rio Controlled Real Property which  are  not
listed in Schedule 3.8(i) of the Rio Disclosure Schedule.

      (j)   There   are   no   contracts  or  other   obligations
outstanding   for   the   sale,   exchange,   lease,    transfer,
hypothecation,  financing  or other disposition  of  any  of  the
respective  parcels of the Rio Real Property, or any  portion  of
any such parcel, or the businesses operated by Rio at each of the
respective  parcels  of the Rio Real Property,  by  Rio  and  its
Subsidiaries except as disclosed on Schedule 3.8(j)  of  the  Rio
Disclosure  Schedule  and  other than contracts  and  obligations
entered into after the date of this Agreement in compliance  with
Section 5.1.

      (k)  Prior  to  the  date  hereof,  Rio  has  delivered  to
Harrah's  a  true  and  correct copy of its  site  plan  for  the
expansion of the improvements on the parcel of Rio Real  Property
described  in Item 1A2c of Schedule 3.8(b) of the Rio  Disclosure
Schedule  which is described in the Form 10-K for the year  ended
December   31,   1997,   under  the  heading  "Business-Expansion
Strategy"  (the "PHASE VI EXPANSION PLAN").  Except as set  forth
in  Part I of Schedule 3.8(k) of the Rio Disclosure Schedule, Rio
and its Subsidiaries hold good, valid, legal and marketable title
in fee simple to all land necessary for the implementation of the
Phase  VI  Expansion  Plan (the "PHASE VI LAND").   Rio  and  its
Subsidiaries hold all material permits, licenses, authorizations,
approvals,   orders,   variances  and  exemptions   required   by
applicable   governmental   authorities   necessary    for    the
development,  construction  and  operation  of  the  improvements
described Phase VI Expansion Plan to the extent the same  may  be
necessary  and,  in light of the current state of development  of
said improvements, be lawfully secured as of the date hereof and,
to  the extent the same may not, in light of the current state of
development of said improvements, be lawfully secured as  of  the
date  hereof, the same will be secured as and when necessary  and
appropriate in

                               17
<PAGE>

the  ordinary course of business and without payment of any fees,
costs,  or  expenses other than such as are customary  and  those
disclosed  in  Part II of Schedule 3.8(k) of the  Rio  Disclosure
Schedule.   The  Phase  VI  Land  is  adequately  zoned  for  the
development contemplated by the Phase VI Expansion Plan, and,  to
the best knowledge of Rio, there are no soil conditions affecting
the  Phase  VI  Land  which would materially interfere  with  the
development  contemplated by the Phase VI  Expansion  Plan.   The
Phase   VI   Land   has  access  adequate  for  the   development
contemplated  by  the  Phase  VI Expansion  Plan.   Part  III  of
Schedule  3.8(k) accurately describes the current status  of  the
progress made to date in the assemblage of the various parcels of
land   described   therein  (the  "ASSEMBLAGE   PARCELS").    The
Assemblage  Parcels have the contiguity described in Part  IV  of
Schedule 3.8(k) of the Rio Disclosure Schedule.

      (l)  Schedule  3.8(l) of the Rio Disclosure Schedule  lists
all settlements, understandings, contracts or other agreements in
respect of fees, taxes, charges or other impositions with respect
to   gaming,  hotel,  restaurant  or  other  operations  by   any
applicable Governmental Entity with jurisdiction thereover.

     SECTION  3.9.   TITLE TO PERSONAL PROPERTY; LIENS.  Rio  and
each  of  its Subsidiaries has sufficiently good and valid  title
to, or an adequate leasehold interest (under the leases described
in  Schedule 3.9 of the Rio Disclosure Schedule) in, its material
tangible personal properties and assets in order to allow  it  to
conduct,  and  continue  to conduct, its business  as  and  where
currently conducted.  Such material tangible personal assets  and
properties are free of liens which would not individually  or  in
the  aggregate  have  a  Rio Material  Adverse  Effect,  and  the
consummation  of the transactions contemplated by this  Agreement
will  not  alter or impair the rights of Rio and its Subsidiaries
thereunder  in  any  respect  which,  individually  or   in   the
aggregate,  would  be reasonably likely to have  a  Rio  Material
Adverse  Effect.  There are no defects in the physical  condition
or  operability  of  such material tangible personal  assets  and
properties  which  would  impair  the  use  of  such  assets  and
properties  as  such  assets and properties are  currently  used,
except  for such defects which, individually or in the aggregate,
would  not  be  reasonably likely to have a Rio Material  Adverse
Effect.

     SECTION 3.10.  INTELLECTUAL PROPERTY.  Schedule 3.10 of  the
Rio  Disclosure Schedule lists all (i) trademark and service mark
registrations  and  applications owned  by  Rio  or  any  of  its
Subsidiaries and (ii) material trademark, service mark and  trade
name  license  agreements to which Rio or any of its Subsidiaries
is  a  party.  Except as disclosed in Schedule 3.10  of  the  Rio
Disclosure  Schedule,  Rio and its Subsidiaries  own  or  possess
adequate   rights  to  use  all  material  trademarks,  trademark
applications,   trade   names,  service  marks,   trade   secrets
(including  customer  lists and customer databases),  copyrights,
patents,  licenses,  know-how and other proprietary  intellectual
property   rights  as  are  necessary  in  connection  with   the
businesses  of  Rio and its Subsidiaries as currently  conducted,
and,  to  the  best  knowledge of Rio, except  as  set  forth  in
Schedule  3.10  of  the  Rio Disclosure  Schedule,  there  is  no
infringement of the rights of Rio and its Subsidiaries therein or
any  infringement by them of the rights of others therein  which,
individually  or in the aggregate would be reasonably  likely  to
have  a  Rio  Material  Adverse  Effect.   Without  limiting  the
generality  of  the  foregoing, Rio  owns  a  validly  registered
trademark on the name "Rio Suite Hotel & Casino (stylized)."

                               18
<PAGE>

     SECTION 3.11.  AGREEMENTS, CONTRACTS AND COMMITMENTS.

      (a)  Except as disclosed in the Rio SEC Reports filed prior
to the date of this Agreement or as disclosed in Schedule 3.11(a)
of the Rio Disclosure Schedule, as of the date of this Agreement,
neither Rio nor any of its Subsidiaries is a party to any oral or
written  (i)  agreement, contract, indenture or other  instrument
relating  to  Indebtedness  (as  defined  below)  in  an   amount
exceeding $1,000,000, (ii) partnership, joint venture or  limited
liability    or   management   agreement   with    any    person,
(iii)  agreement, contract, or other instrument relating  to  any
merger,  consolidation,  business  combination,  share  exchange,
business acquisition, or for the purchase, acquisition,  sale  or
disposition  of  any  material  assets  of  Rio  or  any  of  its
Subsidiaries outside the ordinary course of business, (iv)  other
contract, agreement or commitment to be performed after the  date
hereof  which  would be a material contract (as defined  in  Item
601(b)(10)   of  Regulation  S-K  of  the  SEC),  (v)  agreement,
contract,   or  other  instrument  relating  to  any   "strategic
alliances" (i.e., cross-marketing, affinity relationships, etc.),
(vi) contract, agreement or commitment which materially restricts
(geographically or otherwise) the conduct of any line of business
by  Rio  or  any  of  its  Subsidiaries or  (vii)  any  contract,
agreement  or other instrument having as a party any partnership,
joint venture or limited liability company in which Rio or any of
its  Subsidiaries  is a partner, joint venture  party  or  member
which would otherwise satisfy the criteria in clauses (i), (iii),
(iv),  (v) or (vi) if Rio or any of its Subsidiaries were a party
to  such  contract, agreement or other instrument  (collectively,
the   "RIO   MATERIAL  CONTRACTS").   "INDEBTEDNESS"  means   any
liability in respect of (A) borrowed money, (B) capitalized lease
obligations,  (C)  the  deferred purchase price  of  property  or
services  (other  than trade payables in the ordinary  course  of
business) and (D) guarantees of any of the foregoing incurred  by
any other person other than Rio or any of its Subsidiaries.

      (b)  Except as disclosed in the Rio SEC Reports filed prior
to the date of this Agreement or as disclosed in Schedule 3.11(b)
of the Rio Disclosure Schedule, as of the date of this Agreement,
(i)  each of the Rio Material Contracts is valid and binding upon
Rio or any of its Subsidiaries (and, to Rio's best knowledge,  on
all other parties thereto) in accordance with its terms and is in
full  force  and  effect, (ii) there is  no  material  breach  or
violation  of or default by Rio or any of its Subsidiaries  under
any  of  the Rio Material Contracts, whether or not such  breach,
violation  or  default has been waived, and (iii)  no  event  has
occurred  with  respect to Rio or any of its Subsidiaries  which,
with notice or lapse of time or both, would constitute a material
breach,  violation  or  default, or  give  rise  to  a  right  of
termination, modification, cancellation, foreclosure,  imposition
of  a  lien,  prepayment or acceleration under  any  of  the  Rio
Material  Contracts, which breach, violation or default  referred
to in clauses (ii) or (iii), alone or in the aggregate with other
such breaches, violations or defaults referred to in clauses (ii)
or  (iii),  would  be reasonably likely to have  a  Rio  Material
Adverse Effect.

     SECTION  3.12.  LITIGATION.  Except as disclosed in the  Rio
SEC  Reports  filed  prior to the date of this  Agreement  or  in
Schedule  3.12 of the Rio Disclosure Schedule, (a)  there  is  no
action,  suit  or proceeding, claim, arbitration or investigation
against  Rio or any of its Subsidiaries pending, or as  to  which
Rio or any of its Subsidiaries has received any written notice of
assertion or, to the best knowledge of Rio, threatened against or
affecting,  Rio  or any of its Subsidiaries or  any  property  or
asset  of  Rio  or  any of its Subsidiaries,  before  any  court,
arbitrator,   or  administrative,  governmental   or   regulatory
authority or body, domestic or foreign, that, individually or  in
the  aggregate, could reasonably be expected to (i)  have  a  Rio
Material Adverse

                               19
<PAGE>

Effect  or  (ii)  prevent the consummation  of  the  transactions
contemplated  by  this Agreement; and (b) there is  no  judgment,
order,   injunction   or  decree  of  any   Governmental   Entity
outstanding  against  Rio or any of its Subsidiaries  that  could
reasonably be expected to have any effect referred to in  clauses
(i) or (ii) above.

     SECTION  3.13.  ENVIRONMENTAL MATTERS.  Except as  disclosed
in  Schedule 3.13 of the Rio Disclosure Schedule or as would  not
be  reasonably  likely  to  have a Rio Material  Adverse  Effect,
(a)   Rio  and  its  Subsidiaries  are  in  compliance  with  all
Environmental Laws, (b) there are no Environmental Claims pending
or,  to the best knowledge of Rio, threatened against Rio and its
Subsidiaries, (c) there are no Environmental Conditions  relating
to  Rio  and  its  Subsidiaries or any portion of  the  Rio  Real
Property,  (d)  no asbestos containing materials, polychlorinated
biphenyls  (i.e., PCBs) or underground storage tanks are  present
at  any  of  the  Rio  Real Property, (e) none  of  Rio  and  its
Subsidiaries  has  received  any notices  from  any  governmental
agency or other third party alleging liability under or violation
of  any  Environmental  Law, or alleging responsibility  for  the
removal,  investigation,  or  remediation  of  any  Environmental
Condition  and  (f)  Rio  is not subject to  any  enforcement  or
investigatory action by any governmental agency of which  it  has
received notice, and is not conducting any removal, investigation
or remediation, regarding an Environmental Condition with respect
to any Rio Real Property.

     For purposes of this Section 3.13, the following definitions
shall apply:

     The   term   "HAZARDOUS  MATERIALS"  shall   mean,   without
limitation,  all  wastes,  substances  or  materials  defined  as
hazardous,  toxic  or  a  pollutant  or  contaminant  under   any
Environmental Laws.

     "ENVIRONMENTAL LAWS" means all applicable foreign,  federal,
state  and local statutes or laws, common law, judgments, orders,
regulations, licenses, permits, rules and ordinances relating  to
pollution   or  protection  of  human  health,  safety   or   the
environment,  including, but not limited  to  the  Federal  Water
Pollution  Control  Act  (33  U.S.C. Sec. 1251 ET SEQ.), Resource
Conservation and Recovery Act (42 U.S.C. Sec. 6901 ET SEQ.), Safe
Drinking  Water  Act  (42  U.S.C.  Sec.  3000(f)  ET SEQ.), Toxic 
Substances Control  Act (15 U.S.C. Sec.  2601 ET SEQ.), Clean Air 
Act (42  U.S.C. Sec. 7401 ET SEQ.),  Comprehensive  Environmental   
Response, Compensation and Liability Act (42 U.S.C. Sec.  9601 ET 
SEQ.)  Nevada Hazardous Materials laws (NRS Chapter 459),  Nevada
Solid  Waste/Disposal  of  Garbage  or  Sewage law  (NRS  444.440  
through 444.650, inclusive), Nevada Water Controls/Pollution  law  
(NRS Chapter 445B),  Nevada Control of Asbestos law (NRS  618.750  
to 618.850, inclusive), Nevada Appropriation of Public Waters law
(NRS  533.324  to  533.4385, inclusive), Nevada Artificial  Water
Body  Development Permit law (NRS 502.390), Nevada Protection  of
Endangered  Species,  Endangered Wildlife Permit  and  Endangered
Flora  Permit  laws (NRS 503.585 and NRS 527.270,  respectively),
and  other similar state and local statutes, in effect as of  the
date hereof.

       "ENVIRONMENTAL  CLAIM" means any claim, action,  cause  of
action,  investigation or notice (written or oral) by any  person
or   entity  alleging  potential  liability  (including,  without
limitation, potential liability for investigatory costs,  cleanup
costs,  governmental response costs, natural  resources  damages,
property damages, personal injuries or penalties) arising out of,
based  on  or resulting from (a) the presence or release  of  any
Hazardous  Materials at any location, whether  or  not  owned  or
operated  by  Rio  and  its  Subsidiaries  or  Harrah's  and  its
Subsidiaries, or

                               20
<PAGE>

(b)  circumstances forming the basis of any violation, or alleged
violation, of any Environmental Law.

     "ENVIRONMENTAL  CONDITION"  means  the  release   into   the
environment  of any Hazardous Material as a result of  which  Rio
(1)  has  or may become liable to any person, (2) is  or  was  in
violation of any Environmental Law, (3) has or may be required to
incur response costs for investigation or remediation, or (4)  by
reason  of which any of the Rio Real Property or other assets  of
Rio, may be subject to any lien under Environmental Laws.

     SECTION 3.14.  EMPLOYEE BENEFIT PLANS.

      (a)  DEFINITIONS.  The following terms, when used  in  this
Section  3.14  shall have the following meanings.  Any  of  these
terms may, unless the context otherwise requires, be used in  the
singular or the plural depending on the reference.

           (i)  BENEFIT ARRANGEMENT.  "Benefit Arrangement" shall
mean  any  employment,  consulting, severance  or  other  similar
contract, arrangement or policy (including but not limited to any
letter  or  memorandum  relating to employment)  and  each  plan,
program   or   agreement  providing  for  workers'  compensation,
disability benefits, supplemental unemployment benefits, vacation
benefits,  retirement benefits, life insurance, health,  accident
benefits  (including without limitation any "voluntary employees'
beneficiary association" as defined in Section 501(c)(9)  of  the
Code   providing  for  the  same  or  other  benefits),  deferred
compensation,   profit-sharing  bonuses,  stock  options,   stock
appreciation rights, stock purchases or other forms of  incentive
compensation  which (1) is not a Welfare Plan, Pension  Plan,  or
Multiemployer  Plan  under which Rio or any ERISA  Affiliate  may
incur  any  liability,  and (2) covers  any  employee  or  former
employee  of  Rio or any ERISA Affiliate (with respect  to  their
relationship with such entities).

           (ii)  CODE. "Code" shall have the meaning set forth in
the preamble to this Agreement.

           (iii)    EMPLOYEE PLANS.  "Employee Plans" shall  mean
all  Benefit Arrangements, Multiemployer Plans, Pension Plans and
Welfare Plans.

           (iv)  ERISA.  "ERISA"   shall   mean   the    Employee
Retirement Income Security Act of 1974, as amended.

           (v)  ERISA  AFFILIATE.  "ERISA Affiliate"  shall  mean
any  entity which is (or at any relevant time was) a member of  a
"controlled  group of corporations" with, under "common  control"
with,  or a member of an "affiliated service group" with, Rio  as
defined  in  Section 414(b), (c), (m) or (o) of the Code  or  any
partnership of which Rio or any of its Subsidiaries is a  general
partner.

           (vi)  MULTIEMPLOYER PLAN.  "Multiemployer Plan" shall
mean  any  "multiemployer plan," as defined in Section 4001(a)(3)
of  ERISA,  under which Rio or any ERISA Affiliate may incur  any
liability.

                               21
<PAGE>

           (vii) PENSION PLAN. "Pension Plan" shall mean any "emp
loyee pension benefit plan", as defined in Section 3(2) of ERISA,
other  than  a Multiemployer Plan, under which Rio or  any  ERISA
Affiliate may incur any liability.

           (viii)   WELFARE PLAN.  "Welfare Plan" shall mean  any
"employee  welfare benefit plan", as defined in Section  3(1)  of
ERISA,  under  which  Rio or any ERISA Affiliate  may  incur  any
liability.

      (b)  DISCLOSURE;  DELIVERY OF COPIES OF RELEVANT  DOCUMENTS
AND  OTHER  INFORMATION.  Schedule 3.14  of  the  Rio  Disclosure
Schedule contains a complete list of the Employee Plans.   Copies
of (i) each Employee Plan other than any Multiemployer Plan, and,
if   applicable,  related  trust  agreement,  and  any  amendment
thereto, (ii) the most recent determination letter issued by  the
IRS  with  respect  to each Employee Plan which  is  intended  to
qualify  under  Section 401(a) of the Code  and  (iii)  the  most
recent  Annual Report on Form 5500 Series required  to  be  filed
with  any  governmental agency for each Pension Plan and  Welfare
Plan  have  been delivered by Rio to Harrah's and  are  true  and
complete copies of such documents.

      (c)  REPRESENTATIONS.   Except as  set  forth  in  Schedule
3.14(c) of the Rio Disclosure Schedule:

           (i) EMPLOYEE PLANS

                (A)  No Pension Plan is subject to  Title  IV  of
ERISA  or the minimum funding requirements of Section 412 of  the
Code.   Each  Pension  Plan  (with its  related  trust)  that  is
intended  to qualify under the provisions of Code Section  401(a)
has  received a favorable determination letter from the  Internal
Revenue Service stating that the Pension Plan is so qualified and
the  related  trust  is  exempt from  federal  income  tax  under
Section  501(a)  of the Code and, to the best knowledge  of  Rio,
nothing   has   occurred  since  the  date  of  the   last   such
determination letter which has resulted in or is likely to result
in the revocation of such determination letter.

                (B)     Each Employee Plan has been maintained in
material  compliance with its terms and, both as to form  and  in
operation,  with  the  requirements prescribed  by  any  and  all
applicable laws, including without limitation ERISA and the  Code
to the extent applicable.

           (ii)  MULTIEMPLOYER PLANS

                (A)   Neither Rio nor any ERISA Affiliate has, at
any  time,  withdrawn from a Multiemployer Plan  in  a  "complete
withdrawal" or a "partial withdrawal" as defined in Sections 4203
and  4205 of ERISA, respectively, so as to result in a liability,
contingent   or  otherwise  (including  without  limitation   the
obligations  pursuant to an agreement entered into in  accordance
with  Section 4204 of ERISA), of Rio or any ERISA Affiliate which
has  not  been  fully  satisfied.   Neither  Rio  nor  any  ERISA
Affiliate has engaged in, or is a successor or parent corporation
to  an  entity  that has engaged in, a transaction  described  in
Section 4212(c) of ERISA.

                (B) No Employee Plan is a Multiemployer Plan.

           (iii)     WELFARE  PLANS.   None  of  Rio,  any  ERISA
Affiliate or any Welfare Plan has any present or

                               22
<PAGE>

future obligation to make any payment to, or with respect to  any
present or former employee of Rio or any ERISA Affiliate pursuant
to,  any  retiree medical benefit plan, or other retiree  Welfare
Plan, except to the extent required by the Code or ERISA.

           (iv)  LITIGATION.  To the best knowledge of Rio, there
is  no  material  action,  order, writ, injunction,  judgment  or
decree   outstanding  or  claim,  suit,  litigation,  proceeding,
arbitral action, governmental audit or investigation relating  to
or  seeking  benefits  under any Employee Plan  that  is  pending
against Rio, any ERISA Affiliate or any Employee Plan other  than
routine claims for benefits.

           (v)   MISCELLANEOUS MATTERS.  As of  the  date  hereof
(a)  all  material payments required to be made on or before  the
date hereof by or under any Employee Plan, any related trust,  or
any  collective bargaining agreement have been made or are  being
processed  in  accordance with normal operating  procedures,  and
except  as  set forth in Rio's financial statement, all  material
amounts  required  to  be reflected thereon  have  been  properly
accrued  to  date  as liabilities under or with respect  to  each
Employee  Plan, (b) Rio and its Subsidiaries have  performed  all
material  obligations  required to be performed  by  them  on  or
before  the date hereof under any Employee Plan and (c)  Rio  and
its Subsidiaries have no liability as a result of any "prohibited
transaction" (as defined in Section 406 of ERISA and Section 4975
of the Code) for any excise tax or civil penalty.

     SECTION 3.15.  COMPLIANCE.

      (a)  Except  as  set  forth on Schedule  3.15  of  the  Rio
Disclosure Schedule, each of Rio and its Subsidiaries,  and  each
of  their  respective directors (but with respect to non-employee
directors,  only  to  Rio's  best knowledge),  officers,  persons
performing management functions similar to officers and, to Rio's
best   knowledge,  partners  hold  all  permits,   registrations,
findings   of   suitability,  licenses,  variances,   exemptions,
certificates   of   occupancy,  orders  and  approvals   of   all
Governmental   Entities  (including  all   authorizations   under
Environmental Laws and Rio Gaming Laws) necessary to conduct  the
business and operations of Rio and each of its Subsidiaries, each
of  which  is in full force and effect in all material  respects,
except  for such permits, registrations, findings of suitability,
licenses,   variances,  exemptions,  certificates  of  occupancy,
orders  and  approvals the failure of which to  hold  would  not,
individually or in the aggregate, be reasonably likely to have  a
Rio  Material Adverse Effect (the "RIO PERMITS") and no event has
occurred  which permits, or upon the giving of notice or  passage
of   time   or   both  would  permit,  revocation,   non-renewal,
modification, suspension, limitation or termination  of  any  Rio
Permit  that  currently is in effect the  loss  of  which  either
individually  or in the aggregate would be reasonably  likely  to
have  a  Rio  Material  Adverse Effect.   Each  of  Rio  and  its
Subsidiaries,  and each of their respective directors  (but  with
respect to non-employee directors, only to Rio's best knowledge),
officers,  persons  performing management  functions  similar  to
officers  and,  to  Rio's  best  knowledge,  partners,   are   in
compliance  with  the terms of the Rio Permits, except  for  such
failures to comply, which singly or in the aggregate, would  not,
individually or in the aggregate, be reasonably likely to have  a
Rio  Material Adverse Effect.  Except as disclosed in the Rio SEC
Reports filed prior to the date of this Agreement or as would not
be  reasonably likely to have a Rio Material Adverse Effect,  the
businesses of Rio and its Subsidiaries are not being conducted in
violation of any law, ordinance or regulation of any Governmental
Entity (including, without limitation, any Rio Gaming Laws).   To
the  best  knowledge of Rio, no investigation or  review  by  any
Governmental  Entity  with  respect  to  Rio  or   any   of   its
Subsidiaries is pending, or threatened,

                               23
<PAGE>

nor  has  any  Governmental  Entity indicated  any  intention  to
conduct  the  same, other than those the outcome of  which  would
not,  individually or in the aggregate, be reasonably  likely  to
have a Rio Material Adverse Effect.

      (b)  The  term "RIO GAMING LAWS" means any Federal,  state,
local  or  foreign statute, ordinance, rule, regulation,  permit,
consent, registration, finding of suitability, approval, license,
judgment,  order,  decree,  injunction  or  other  authorization,
including  any condition or limitation placed thereon,  governing
or  relating  to  the current or contemplated casino  and  gaming
activities  and  operations of Rio or any  of  its  Subsidiaries,
including, without limitation, the Nevada Gaming Control Act  and
the  rules  and  regulations promulgated  thereunder,  the  Clark
County  Code and the rules and regulations promulgated thereunder
and any applicable state gaming law and any federal or state laws
relating to currency transactions.

      (c)  Except  as disclosed in Schedule 3.15(c)  of  the  Rio
Disclosure Schedule, neither Rio nor any of its Subsidiaries, nor
any director (but with respect to non-employee directors, only to
Rio's  best  knowledge), officer, key employee or, to Rio's  best
knowledge,  partners  of  Rio  or any  of  its  Subsidiaries  has
received  any  written  claim, demand, notice,  complaint,  court
order or administrative order from any Governmental Entity in the
past  three years under, or relating to any violation or possible
violation of any Rio Gaming Laws which did or would be reasonably
likely  to result in fines or penalties of $50,000 or  more.   To
Rio's  best knowledge, there are no facts, which if known to  the
regulators under the Rio Gaming Laws could reasonably be expected
to  result  in  the  revocation, limitation or  suspension  of  a
license, finding of suitability, registration, permit or approval
of  it  or  them,  or  of  any officer,  director,  other  person
performing management functions similar to an officer or partner,
under  any  Rio  Gaming  Laws.   Neither  Rio  nor  any  of   its
Subsidiaries  has  suffered a suspension  or  revocation  of  any
material license, finding of suitability, registration, permit or
approval held under the Rio Gaming Laws.

     SECTION  3.16.   ACCOUNTING AND TAX MATTERS.   To  the  best
knowledge of Rio, after consulting with its independent  auditors
with  respect  to  clause (i) below and  its  tax  advisors  with
respect  to  clause (ii) below, except as set forth  on  Schedule
3.16  of the Rio Disclosure Schedule, neither Rio nor any of  its
Affiliates  (as defined in Section 5.12) has taken or  agreed  to
take  any action which would (i) prevent Harrah's from accounting
for  the business combination to be effected by the Merger  as  a
pooling  of  interests or (ii) prevent the Merger from qualifying
as a reorganization described in Section 368(a) of the Code.

     SECTION    3.17.     JOINT    PROXY    STATEMENT/PROSPECTUS;
REGISTRATION STATEMENT.  None of the information supplied by  Rio
or  its  Subsidiaries to be included or incorporated by reference
in  the  joint  proxy statement/prospectus  to  be  sent  to  the
stockholders of Harrah's and Rio in connection with  the  meeting
of  Rio's stockholders (the "RIO STOCKHOLDERS' MEETING") and  the
meeting  of  Harrah's  stockholders (the "HARRAH'S  STOCKHOLDERS'
MEETING")  to consider the Agreement and the Merger  (the  "JOINT
PROXY   STATEMENT/PROSPECTUS")  or  any  amendment   thereof   or
supplement  thereto, will, on the date it became  effective  with
the  SEC,  at  the  time  of  the  mailing  of  the  Joint  Proxy
Statement/Prospectus or any amendment or supplement, at the  time
of  Rio  Stockholders'  Meeting and  the  Harrah's  Stockholders'
Meeting  and at the Effective Time, contain any untrue  statement
of a material fact or omit to state any material fact required to
be  stated  therein or necessary in order to make the  statements
therein, in light of the circumstances under which they are made,
not misleading.  The Joint Proxy Statement/Prospectus will comply
as to form in all

                               24
<PAGE>

material respects with the provisions of the Securities  Act  and
the  Exchange  Act  and  the  rules and  regulations  thereunder;
PROVIDED, HOWEVER, that Rio makes no representation with  respect
to  any  information supplied or to be supplied  by  Harrah's  or
Merger  Sub for inclusion in the Joint Proxy Statement/Prospectus
or  any  amendment thereof or supplement thereto.   None  of  the
information supplied by Rio or its Subsidiaries to be included or
incorporated   by  reference  from  Rio  SEC   filings   in   the
registration  statement on Form S-4 pursuant to which  shares  of
Harrah's  Common  Stock issued in the Merger will  be  registered
under the Securities Act (the "REGISTRATION STATEMENT"), of which
the  Joint Proxy Statement/Prospectus will form a part, will,  at
the  time the Registration Statement is declared effective by the
SEC,  contain any untrue statement of a material fact or omit  to
state  any  material  fact  required  to  be  stated  therein  or
necessary  in order to make the statements therein, in  light  of
the circumstances under which they are made, not misleading.

     SECTION  3.18.   LABOR  MATTERS.   Except  as  disclosed  in
Schedule 3.18 of the Rio Disclosure Schedule or as would  not  be
reasonably  likely  to  have  a  Rio  Material  Adverse   Effect,
(i)  there are no controversies pending or, to the best knowledge
of Rio, threatened between Rio or any of its Subsidiaries and any
of their respective employees; (ii) to the best knowledge of Rio,
there  are  no  activities or proceedings of any labor  union  to
organize any non-unionized employees; (iii) neither Rio  nor  any
of  its  Subsidiaries has breached or otherwise failed to  comply
with  any  provision  of any collective bargaining  agreement  or
contract and there are no grievances outstanding against  Rio  or
any  of  its  Subsidiaries under any such agreement or  contract;
(iv) there are no unfair labor practice charges and/or complaints
pending  against  Rio  or  any  of its  Subsidiaries  before  the
National  Labor  Relations Board, or any  similar  foreign  labor
relations    governmental   bodies,   or   any   current    union
representation questions involving employees of Rio or any of its
Subsidiaries; and (v) there is no strike, slowdown, work stoppage
or  lockout, or, to the best knowledge of Rio, threat thereof, by
or   with  respect  to  any  employees  of  Rio  or  any  of  its
Subsidiaries.   Rio and its Subsidiaries are not parties  to  any
collective   bargaining   agreements,   except   for   collective
bargaining  agreements  disclosed in Schedule  3.18  of  the  Rio
Disclosure Schedule.

     SECTION  3.19.   INSURANCE.  Rio has  provided  to  Harrah's
accurate  and complete copies of all material fire and  casualty,
general liability, business interruption, product liability,  and
sprinkler and water damage insurance policies maintained  by  Rio
or any of its Subsidiaries.  All such insurance policies are with
reputable   insurance  carriers  and  provide  coverage   as   is
reasonably prudent to cover normal risks incident to the business
of  Rio and its Subsidiaries and their respective properties  and
assets.

     SECTION  3.20.   OPINION  OF  FINANCIAL  ADVISOR.   Rio  has
received  the  opinion of Merrill Lynch, Pierce, Fenner  &  Smith
Incorporated,  dated the date of this Agreement,  to  the  effect
that  the  Exchange Ratio is fair to the holders  of  Rio  Common
Stock from a financial point of view.

     SECTION  3.21.   NO EXISTING DISCUSSIONS.  As  of  the  date
hereof,  Rio  is  not  engaged, directly or  indirectly,  in  any
discussions or negotiations with any other party with respect  to
an Acquisition Proposal (as defined in Section 5.4).

     SECTION  3.22.   NEVADA TAKEOVER STATUTE.  As  of  the  date
hereof,  the restrictions of Sections 78.378 through  78.3793  of
the  NRS  are, and shall be, inapplicable to the Merger, and  the
transactions contemplated by this Agreement.

                               25
<PAGE>

     SECTION  3.23.   BROKERS.   None  of  Rio  or  any  of   its
Subsidiaries, or to the knowledge of Rio, any of their respective
officers,  directors  or  employees  have  employed  any  broker,
financial  advisor  or finder or incurred any liability  for  any
brokerage  fees, commissions or finder's fees in connection  with
the  transactions contemplated by this Agreement, except that Rio
has  retained  Merrill Lynch, Pierce, Fenner & Smith Incorporated
as  its financial advisor, the arrangements with which have  been
disclosed in writing to Harrah's and Merger Sub prior to the date
of this Agreement.

     SECTION 3.24.  TRANSACTIONS WITH AFFILIATES.  Other than the
transactions  contemplated by this Agreement and  except  to  the
extent disclosed in the Rio SEC Documents filed prior to the date
of  this  Agreement or as disclosed in Schedule 3.24 of  the  Rio
Disclosure  Schedule, from January 1, 1998 through  the  date  of
this  Agreement,  there  have been no  transactions,  agreements,
arrangements  or  understandings  between  Rio  or  any  of   its
Subsidiaries,  on  the one hand, and Rio's  affiliates  or  other
persons,  on  the  other  hand, that  would  be  required  to  be
disclosed  under Item 404 of Regulation S-K under the  Securities
Act.

     SECTION  3.25.  YEAR 2000.  Except as disclosed in  Schedule
3.25  of  the  Rio Disclosure Schedule, to the knowledge  of  Rio
without any inquiry, as of the date hereof, all computer software
necessary  for  the conduct of its business (the  "Software")  is
designed to be used prior to, during, and after the calendar year
2000  A.D., and that the Software will operate during  each  such
time period without error relating to the year 2000, specifically
including  any  error relating to, or the product of,  date  data
which  represents or references different centuries or more  than
one  century.  Rio further represents and warrants that as of the
date  hereof, to its knowledge without any inquiry, the  Software
accepts, calculates, sorts, extracts and otherwise processes date
inputs and date values, and returns and displays date values,  in
a consistent manner regardless of the dates used, whether before,
on, or after January 1, 2000.

                           ARTICLE IV.
                                
    REPRESENTATIONS AND WARRANTIES OF HARRAH'S AND MERGER SUB
                                
     Harrah's  and Merger Sub represent and warrant to  Rio  that
the  statements contained in this Article IV are true and correct
except  as  set  forth  herein  and in  the  disclosure  schedule
delivered by Harrah's and Merger Sub to Rio on or before the date
of  this  Agreement  (the "HARRAH'S DISCLOSURE  SCHEDULE").   The
Harrah's  Disclosure  Schedule shall be  arranged  in  paragraphs
corresponding  to the numbered and lettered paragraphs  contained
in  this  Article  IV and the disclosure in any  paragraph  shall
qualify  other paragraphs in this Article IV only to  the  extent
that  it is reasonable from a reading of such disclosure that  it
also  qualifies  or  applies to such other paragraphs.   For  all
purposes  of this Agreement, all references to "Subsidiaries"  of
Harrah's shall be deemed to exclude Harrah's Jazz Company.

     SECTION  4.1.    ORGANIZATION.  Each  of  Harrah's  and  its
Subsidiaries  is  duly organized, validly existing  and  in  good
standing  under the laws of the jurisdiction of its  organization
and   has   the  requisite  corporate,  partnership  and  limited
liability company power and authority to carry on its business as
now  being  conducted.  Each of Harrah's and its Subsidiaries  is
duly qualified or licensed to do business and is in good standing
in  each  jurisdiction  in which the property  owned,  leased  or
operated  by  it  or the nature of the business conducted  by  it
makes such qualification or

                               26
<PAGE>

licensing necessary, except where the failure to be so qualified,
licensed  or in good standing would not be reasonably  likely  to
have  a  material  adverse  effect on the  business,  properties,
financial condition or results of operations of Harrah's and  its
Subsidiaries,  taken  as  a whole (a "HARRAH'S  MATERIAL  ADVERSE
EFFECT"); PROVIDED, HOWEVER, that the effect of economic  changes
that  are  applicable to the gaming industry  generally,  or  the
gaming  industry in markets in which Harrah's or its Subsidiaries
conduct  business  in  particular, shall  be  excluded  from  the
definition  of "Harrah's Material Adverse Effect"  and  from  any
determination  as to whether a Harrah's Material  Adverse  Effect
has occurred or may occur with respect to Harrah's.  Harrah's has
delivered  to  Rio true and correct copies of the Certificate  of
Incorporation and Bylaws of each of Harrah's and Merger  Sub,  in
each case as amended to the date of this Agreement.

     SECTION 4.2.   CAPITALIZATION.

      (a)  The  authorized capital stock of Harrah's consists  of
360,000,000 shares of Harrah's Common Stock  par value $0.10  per
share,  150,000  shares of preferred stock, par  value  $100  per
share  ("HARRAH'S PREFERRED STOCK"), 5,000,000 shares of  special
stock, par value $1.125 per share ("HARRAH'S SPECIAL STOCK"),  of
which  2,000,000 shares have been designated as "SERIES A SPECIAL
STOCK".   As  of  the  date  hereof, (i)  101,484,541  shares  of
Harrah's  Common Stock were issued and outstanding, all of  which
are  validly issued, fully paid and nonassessable, (ii) 3,013,378
shares  of  Harrah's Common Stock were held in  the  treasury  of
Harrah's  or by Subsidiaries of Harrah's, and (iii) no shares  of
Harrah's Preferred Stock or Harrah's Special Stock are issued and
outstanding. Schedule 4.2(a) of the Harrah's Disclosure  Schedule
sets forth the number of shares of Harrah's Common Stock reserved
for  issuance (A) upon exercise of options to acquire  shares  of
Harrah's   Common   Stock   ("HARRAH'S  OPTIONS")   granted   and
outstanding as of the date hereof and under Harrah's stock option
plans  ("HARRAH'S STOCK OPTION PLANS").  Since December 31,  1997
through  the  date of this Agreement, Harrah's has not  made  any
grants  under any of the Harrah's Stock Option Plans.  Except  as
disclosed in Schedule 4.2(a) of the Harrah's Disclosure Schedule,
there are no obligations, contingent or otherwise, of Harrah's or
any  of  its  Subsidiaries  to repurchase,  redeem  or  otherwise
acquire any shares of Harrah's Common Stock or the capital  stock
or ownership interests of any Subsidiary.

      (b)  There  is  no Voting Debt of Harrah's or  any  of  its
Subsidiaries  issued  and outstanding. Except  as  set  forth  in
Section  4.2(a) or as reserved for future grants  of  options  or
restricted  stock under the Harrah's Stock Plans and  except  for
the  Common Stock Purchase rights issued and issuable  under  the
Rights  Agreement, dated as of October 5, 1996, between  Harrah's
and  The  Bank of New York, as amended on February 21,  1997  and
April 25, 1997, as of the date hereof, (i) there are no shares of
capital   stock  of  any  class  of  Harrah's,  or  any  security
exchangeable  into  or  exercisable for such  equity  securities,
issued, reserved for issuance or outstanding; (ii) there  are  no
options,  warrants, equity securities, calls, rights, commitments
or  agreements of any character to which Harrah's or any  of  its
Subsidiaries  is  a  party or by which  it  is  bound  obligating
Harrah's or any of its Subsidiaries to issue, deliver or sell, or
cause  to  be  issued,  delivered or sold, additional  shares  of
capital  stock  or  other ownership interests  (including  Voting
Debt)  of  Harrah's  or  any  of its Subsidiaries  or  obligating
Harrah's  or any of its Subsidiaries to grant, extend, accelerate
the  vesting  of  or enter into any such option, warrant,  equity
security, call, right, commitment or agreement; and (iii)   there
are  no  voting  trusts, proxies or other  voting  agreements  or
understandings  with respect to the shares of  capital  stock  of
Harrah's.   All  shares  of  Harrah's  Common  Stock  subject  to
issuance as specified in this

                               27
<PAGE>

Section  4.2(b)  are duly authorized and, upon  issuance  on  the
terms  and  conditions specified in the instruments  pursuant  to
which they are issuable, shall be validly issued, fully paid  and
nonassessable.

      (c) The authorized capital stock of Merger Sub consists  of
2,500  shares  of  Common Stock without par  value  ("MERGER  SUB
COMMON  STOCK"), of which 100 shares are issued and  outstanding.
Harrah's  owns directly all the outstanding shares of Merger  Sub
Common Stock.  The outstanding shares of Merger Sub Common  Stock
are  duly  authorized, validly issued, fully paid and  assessable
and free of any preemptive rights.

     SECTION 4.3.   AUTHORITY; NO CONFLICT; REQUIRED FILINGS  AND
                    CONSENTS.
                    
      (a)  Harrah's  and Merger Sub have all requisite  corporate
power  and  authority  to  enter  into  this  Agreement  and   to
consummate  the transactions contemplated by this Agreement.  The
execution and delivery of this Agreement and the consummation  of
the  transactions contemplated hereby by Harrah's and Merger  Sub
have  been  duly authorized by all necessary corporate action  on
the part of Harrah's and Merger Sub. This Agreement has been duly
executed  and  delivered by Harrah's and Merger Sub and  assuming
the due authorization, execution and delivery by Rio, constitutes
the  valid  and  binding obligation of Harrah's and  Merger  Sub,
enforceable against each of them in accordance with its terms.

      (b)  Other than or as disclosed in Schedule 4.3(b)  of  the
Harrah's Disclosure Schedule, the execution and delivery of  this
Agreement  by  Harrah's  and  Merger  Sub  does  not,   and   the
consummation  of the transactions contemplated hereby  will  not,
(i)  conflict with, or result in any violation or breach of,  any
provision  of  the  Certificate of  Incorporation  or  Bylaws  of
Harrah's or the comparable charter or organizational documents of
any  of  its Subsidiaries, (ii) result in any violation or breach
of,  or  constitute (with or without notice or lapse of time,  or
both)  a  default  (or  give  rise to  a  right  of  termination,
cancellation  or acceleration of any obligation or  loss  of  any
material  benefit) under, or require a consent or  waiver  under,
any  of  the  terms, conditions or provisions of any note,  bond,
mortgage,   indenture,  lease,  contract  or   other   agreement,
instrument  or  obligation  to  which  Harrah's  or  any  of  its
Subsidiaries is a party or by which any of them or any  of  their
properties  or  assets  may be bound, or  (iii)  subject  to  the
governmental  filings and other matters referred  to  in  Section
4.3(c),   conflict  with  or  violate  any  permit,   concession,
franchise,  license,  judgment,  order,  decree,  statute,   law,
ordinance, rule or regulation applicable to Harrah's  or  any  of
its  Subsidiaries  or any of its or their properties  or  assets,
except  in  the  case  of clauses (ii) and  (iii)  for  any  such
conflicts,   violations,   defaults,   terminations,    breaches,
cancellations,  accelerations  or  requirements  for  consent  or
waiver  not obtained which (x) are not, individually  or  in  the
aggregate, reasonably likely to have a Harrah's Material  Adverse
Effect  or  (y)  would  not  impair  or  unreasonably  delay  the
consummation of the Merger.

      (c)  No  consent, approval, order or authorization  of,  or
registration, declaration or filing with, any Governmental Entity
is  required  by  or  with  respect to Harrah's  or  any  of  its
Subsidiaries  in  connection with the execution and  delivery  of
this   Agreement   or  the  consummation  of   the   transactions
contemplated hereby, except for (i) the filing of the  pre-merger
notification  report under the HSR Act, (ii)  the filing  of  the
Articles  of Merger with respect to the Merger with the Secretary
of  State of the State of Nevada, (iii) any approvals and  filing
of notices

                               28
<PAGE>

required  under the Harrah's Gaming Laws (as defined  in  Section
4.14(b))  or the Rio Gaming Laws, (iv) such consents,  approvals,
orders,   authorizations,  permits,  filings,  or   registrations
related to, or arising out of, compliance with statutes, rules or
regulations  regulating  the  consumption,  sale  or  serving  of
alcoholic beverages, (v)  such immaterial filings and consents as
may be required under any environmental, health or safety law  or
regulation pertaining to any notification, disclosure or required
approval triggered by the Merger or the transactions contemplated
by  this  Agreement,  and  (vi)  such  other  filings,  consents,
approvals,  orders,  registrations and  declarations  as  may  be
required under the laws of any jurisdiction in which Harrah's  or
any  of its Subsidiaries conducts any business or owns any assets
the failure of which to obtain would not be reasonably likely  to
have a Harrah's Material Adverse Effect.

     SECTION 4.4.   PUBLIC FILINGS; FINANCIAL STATEMENTS.

      (a)  Harrah's  and its Subsidiaries that  are  required  to
file  forms,  reports  or  other  documents  with  the  SEC  (the
"HARRAH'S  REPORTING SUBSIDIARIES") have filed and made available
to Harrah's all forms, reports and documents required to be filed
by  Harrah's and the Harrah's Reporting Subsidiaries with the SEC
since January 1, 1995 (collectively, the "HARRAH'S SEC REPORTS").
The  Harrah's  SEC  Reports (including any  financial  statements
filed  as  a  part thereof or incorporated by reference  therein)
(i) at the time filed, complied in all material respects with the
applicable  requirements of the Securities Act and  the  Exchange
Act,  as the case may be, and (ii) did not, at the time they were
filed (or if amended or superseded by a filing prior to the  date
of  this Agreement, then on the date of such filing), contain any
untrue  statement of a material fact or omit to state a  material
fact  required  to  be  stated in such Harrah's  SEC  Reports  or
necessary  in  order to make the statements in such Harrah's  SEC
Reports, in the light of the circumstances under which they  were
made, not misleading.

      (b)   Each   of   the  consolidated  financial   statements
(including,  in  each  case,  any  related  notes)  of   Harrah's
contained in the Harrah's SEC Reports complied as to form in  all
material  respects  with  the  applicable  published  rules   and
regulations  of  the SEC with respect thereto,  was  prepared  in
accordance with GAAP applied on a consistent basis throughout the
periods involved (except as may be indicated in the notes to such
financial statements or, in the case of unaudited statements,  as
permitted  by  Form  10-Q  under the  Exchange  Act)  and  fairly
presented the consolidated financial position of Harrah's and its
consolidated  Subsidiaries as of the dates and  the  consolidated
results  of  its  operations  and  cash  flows  for  the  periods
indicated, except that the unaudited interim financial statements
were  or are subject to normal and recurring year-end adjustments
which,  with respect to interim periods since December 31,  1997,
were  not  or  are not expected to be material  in  amount.   The
audited  balance  sheet of Harrah's as of December  31,  1997  is
referred to herein as the "HARRAH'S BALANCE SHEET."

      SECTION   4.5.  NO  UNDISCLOSED  LIABILITIES.   Except   as
disclosed in the Harrah's SEC Reports filed prior to the date  of
this  Agreement  or  in Schedule 4.5 of the  Harrah's  Disclosure
Schedule,  and  except  for liabilities and obligations  incurred
since  the  date  of the Harrah's Balance Sheet in  the  ordinary
course  of business consistent with past practices, Harrah's  and
its  consolidated  Subsidiaries do  not  have  any  indebtedness,
obligations   or  liabilities  of  any  kind,  whether   accrued,
contingent or otherwise (whether or not required to be  reflected
in financial statements in accordance with GAAP), and whether due
or  to  become due, which would be reasonably likely  to  have  a
Harrah's Material Adverse Effect.

                               29
<PAGE>

     SECTION  4.6.    LITIGATION.  Except  as  disclosed  in  the
Harrah's SEC Reports filed prior to the date of this Agreement or
in Schedule 4.6 of the Harrah's Disclosure Schedule, (a) there is
no   action,   suit   or   proceeding,  claim,   arbitration   or
investigation  against  Harrah's  or  any  of  its   Subsidiaries
pending,  or as to which Harrah's or any of its Subsidiaries  has
received  any  written  notice  of  assertion  or,  to  the  best
knowledge of Harrah's, threatened against or affecting,  Harrah's
or  any  of its Subsidiaries or any property or asset of Harrah's
or  any  of  its  Subsidiaries, before any court, arbitrator,  or
administrative,  governmental or regulatory  authority  or  body,
domestic  or  foreign, that, individually or  in  the  aggregate,
could  reasonably  be  expected to (i) have a  Harrah's  Material
Adverse   Effect  or  (ii)  prevent  the  consummation   of   the
transactions contemplated by this Agreement; and (b) there is  no
judgment, order, injunction or decree of any Governmental  Entity
outstanding  against  Harrah's or any of  its  Subsidiaries  that
could  reasonably be expected to have any effect referred  to  in
clauses (i) or (ii) above.

     SECTION  4.7.   ENVIRONMENTAL MATTERS.  Except as  disclosed
in  Schedule 4.7 of the Harrah's Disclosure Schedule or as  would
not  be  reasonably  likely to have a Harrah's  Material  Adverse
Effect, (a) Harrah's and its Subsidiaries are in compliance  with
all  Environmental  Laws, (b) there are no  Environmental  Claims
pending or, to the best knowledge of Harrah's, threatened against
Harrah's  and  its  Subsidiaries, (c) there are no  Environmental
Conditions  relating  to  Harrah's and its  Subsidiaries  or  any
property  currently  owned  or  operated  by  Harrah's   or   its
Subsidiaries,    (d)    no    asbestos   containing    materials,
polychlorinated  biphenyls (i.e., PCBs)  or  underground  storage
tanks are present at any of the real properties owned or operated
by  Harrah's,  (e)  none  of Harrah's  or  its  Subsidiaries  has
received any notices from any governmental agency or other  third
party  alleging liability under or violation of any Environmental
Law,  or  alleging responsibility for the removal, investigation,
or remediation of any Environmental Condition and (f) Harrah's is
not  subject  to any enforcement or investigatory action  by  any
governmental agency of which it has received notice, and  is  not
conducting  any removal, investigation or remediation,  regarding
an  Environmental  Condition with respect to any   real  property
owned  or  operated by Harrah's or its Subsidiaries or for  which
Harrah's or its Subsidiaries have an option to purchase or  right
of first refusal or equitable interests as contract purchasers or
equitable  interests as profit participants. Environmental  Laws,
Environmental Claims and Environmental Conditions shall have  the
meanings assigned to them in Section 3.13.

     SECTION  4.8.    LABOR  MATTERS.   Except  as  disclosed  in
Schedule 4.8 of the Harrah's Disclosure Schedule or as would  not
have  a  Harrah's  Material  Adverse Effect,  (i)  there  are  no
controversies  pending  or, to the best  knowledge  of  Harrah's,
threatened between Harrah's or any of its Subsidiaries and any of
their  respective  employees;  (ii)  to  the  best  knowledge  of
Harrah's,  there are no activities or proceedings  of  any  labor
union  to  organize  any non-unionized employees,  (iii)  neither
Harrah's  nor  any of its Subsidiaries has breached or  otherwise
failed  to comply with any provision of any collective bargaining
agreement  or  contract  and there are no grievances  outstanding
against  Harrah's  or  any  of its Subsidiaries  under  any  such
agreement  or  contract; (iv) there are no unfair labor  practice
charges and/or complaints pending against Harrah's or any of  its
Subsidiaries  before the National Labor Relations Board,  or  any
similar  foreign  labor  relations governmental  bodies,  or  any
current  union  representation questions involving  employees  of
Harrah's or any of its Subsidiaries; and (v) there is no  strike,
slowdown, work stoppage or lockout, or, to the best knowledge  of
Harrah's, threat thereof, by or with respect to any employees  of
Harrah's or any of its Subsidiaries.

                               30
<PAGE>

     SECTION  4.9.   INSURANCE.  Harrah's maintains insurance  in
such  amounts  and  on  such terms as is necessary  for  Harrah's
business  as  currently  conducted  and  as  is  reasonable   and
customary  in  the gaming business.  All such insurance  policies
are with reputable insurance carriers and provide coverage as  is
reasonably prudent to cover normal risks incident to the business
of  Harrah's and its Subsidiaries and their respective properties
and assets.

     SECTION  4.10.   TAXES.  Except as would not  be  reasonably
likely  to  have a Harrah's Material Adverse Effect or except  as
disclosed  on Schedule 4.10 of the Harrah's Disclosure  Schedule,
(a)  each of Harrah's,  its Subsidiaries and any affiliated group
(within  the  meaning  of Section 1504  of  the  Code)  of  which
Harrah's  or any of its Subsidiaries is now or ever  has  been  a
member (i) has filed or caused to be filed, or will file or cause
to  be  filed, with the appropriate taxing authority, on a timely
basis, all federal or other material  Tax Returns  required to be
filed by it on or prior to  the  Closing  Date (which Tax Returns
were or will be correct  and  complete in all material respects),
and (ii) has paid or caused to be paid or will pay or cause to be
paid (x) all Taxes due for the periods covered  thereby  and  (y)
all Taxes pursuant  to  any  assessment received  by  Harrah's or
any of its Subsidiaries, excluding in each case under this clause
(ii), any such Taxes that have  been  contested in good faith and
for which adequate reserves have been established  in  accordance
with generally accepted accounting principles; (b) as of the date
hereof, there is no action, suit, proceeding, investigation, audit
or claim now pending or, to  the knowledge  of Harrah's or any of
its  Subsidiaries,  threatened  by  any  governmental  or  taxing
authority regarding any Taxes relating to Harrah's  or any of its
Subsidiaries and (c) as of  the date hereof, neither Harrah's nor
any of its Subsidiaries has entered into  an  agreement or waiver
extending any statute of limitations  relating  to the payment or
collection of any Taxes of Harrah's or any of its Subsidiaries.

     SECTION 4.11.  COMPLIANCE WITH ERISA.  Each employee benefit
plan, within the meaning of Section 3(3) of ERISA, other than any
multiemployer  plan, within the meaning of Section 4001(a)(3)  of
ERISA,  that is sponsored maintained or contributed  to  or  with
respect  to  which Harrah's has an obligation to  contribute  has
been  maintained in material compliance with the requirements  of
all  applicable statutes, orders, rules and regulations which are
applicable  to  such  employee benefit plan,  including  but  not
limited  to  ERISA  and  the Code.  With  respect  to  each  such
employee  benefit plan that is an employee pension benefit  plan,
within  the  meaning of Section 3(2) of ERISA, that is  regulated
under Title IV of ERISA: (i)  Harrah's and any other entity that,
together  with Harrah's as of the relevant measuring  date  under
ERISA, was or is required to be treated as single employer  under
Section  414  of  the  Code  ("HARRAH'S  ERISA  AFFILIATE")  have
fulfilled their respective obligations under the minimum  funding
requirements of Section 302 of ERISA and Section 412 of the Code;
(ii)  no  reportable event, as defined in Section 4043 of  ERISA,
has occurred and is continuing; (iii) no liability to the Pension
Benefit  Guaranty  Corporation has been  incurred,  and  (iv)  no
proceedings have been instituted by the Pension Benefit  Guaranty
Corporation  to  terminate any such plan.  With  respect  to  any
multiemployer  plan, within the meaning of Section 4001(a)(3)  of
ERISA,   to   which  Harrah's  or  a  Harrah's  ERISA   Affiliate
contributed,  or  with respect to which Harrah's  or  a  Harrah's
ERISA  Affiliate  has or had an obligation to contribute  at  any
time within the 6-year period preceding the Closing Date, neither
Harrah's  nor  any Harrah's ERISA Affiliate has (i) incurred  any
withdrawal liability, as defined in Part I of Subtitle E of Title
IV  of  ERISA, or (ii) been notified by the sponsor of  any  such
multiemployer   plan   that  such  multiemployer   plan   is   in
reorganization  or  has been terminated, within  the  meaning  of
Title IV of ERISA.  To the best knowledge of Harrah's, a complete

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<PAGE>

withdrawal from each such multiemployer plan would not result  in
any  liability for Harrah's, contingent or otherwise, that  would
be  reasonably likely to have a Harrah's Material Adverse Effect.
Each  Pension  Plan and each related trust that are  intended  to
qualify under the provisions of Code Section 401(a) have received
a  favorable  determination  letter  from  the  Internal  Revenue
Service  stating  that the Pension Plan is so qualified  and  the
related  trust  is exempt from federal income tax  under  Section
501(a)  of  the  Code  and, to the best  knowledge  of  Harrah's,
nothing   has   occurred  since  the  date  of  the   last   such
determination letter which has resulted in or is likely to result
in   the  revocation  of  such  determination  letter.   None  of
Harrah's,  any Harrah's ERISA Affiliate or any Welfare  Plan  has
any  present or future obligation to make any payment to, or with
respect  to  any  present or former employee of Harrah's  or  any
Harrah's ERISA Affiliate pursuant to, any retiree medical benefit
plan,  or  other  retiree  Welfare Plan,  except  to  the  extent
required by the Code or ERISA and except with respect to  certain
former employees, who currently number fewer than thirty (30).

     SECTION  4.12.  INTELLECTUAL PROPERTY.  Except as  disclosed
in Schedule 4.12 of the Harrah's Disclosure Schedule or would not
be reasonably likely to have a Harrah's Material Effect, Harrah's
and  its  Subsidiaries own or possess adequate rights to use  all
material trademarks, trademark applications, trade names, service
marks,  trade  secrets  (including customer  lists  and  customer
databases),  copyrights, patents, licenses,  know-how  and  other
proprietary  intellectual property rights  as  are  necessary  in
connection  with the businesses Harrah's and its Subsidiaries  as
currently  conducted,  and, to the best  knowledge  of  Harrah's,
except  as  set forth in Schedule 4.12 of the Harrah's Disclosure
Schedule, there is no infringement of the rights of Harrah's  and
its Subsidiaries therein or any infringement by them of the right
of   others therein which, individually or in the aggregate would
be reasonably likely to have a Harrah's Material Adverse Effect.

     SECTION 4.13.  ABSENCE OF CERTAIN CHANGES OR EVENTS.  Except
as  disclosed in the Harrah's SEC Reports filed prior to the date
of  this Agreement or in Schedule 4.13 of the Harrah's Disclosure
Schedule, since the date of the Harrah's Balance Sheet,  Harrah's
and  its Subsidiaries have conducted their businesses only in the
ordinary  course  and in a manner consistent with  past  practice
and,  since  such  date,  there  has  not  been  (i)  any  event,
development,  state  of  affairs  or  condition,  or  series   or
combination  of  events,  developments,  states  of  affairs   or
conditions, which, individually or in the aggregate, has  had  or
is  reasonably likely to have a Harrah's Material Adverse Effect;
(ii)  any damage, destruction or loss (whether or not covered  by
insurance)  with  respect to Harrah's or any of its  Subsidiaries
which  is  reasonably likely to have a Harrah's Material  Adverse
Effect;  (iii) any material change by Harrah's in its  accounting
methods,  principles  or  practices of  which  Harrah's  has  not
previously been informed; (iv) any revaluation by Harrah's of any
of  its  assets  which is reasonably likely to  have  a  Harrah's
Material  Adverse Effect; (v) any declaration, setting  aside  or
payment  of any dividend or other distribution (whether in  cash,
stock  or  property)  with  respect to the  equity  interests  of
Harrah's; (vi) any split, combination or reclassification of  any
of Harrah's capital stock or any issuance or the authorization of
any issuance of any other securities in respect of, in lieu of or
in  substitution for, shares of Harrah's capital stock; (vii) any
increase  in or establishment of, or any liability (caused  by  a
prior  or  existing violation of laws or regulations) under,  any
bonus,  insurance,  severance,  deferred  compensation,  pension,
retirement, profit sharing, stock option, stock purchase or other
employee  benefit plan, or any other increase in the compensation
payable or to become payable to any officers or key employees  of
Harrah's  or any Subsidiary other than increases which would  not
be  material, individually or in the aggregate, with  respect  to
such officers or employees receiving

                               32
<PAGE>

such  benefit or compensation (based on a comparison to  benefits
and compensation received in the year ended December 31,1997); or
(viii)   any  settlement  of  pending  or  threatened  litigation
involving Harrah's or any of its Subsidiaries (whether brought by
a  private  party  or  a  Governmental  Entity)  other  than  any
settlement  which  is not reasonably likely to  have  a  Harrah's
Material Adverse Effect.

     SECTION 4.14.  COMPLIANCE.

      (a)  Each  of  Harrah's and its Subsidiaries, and  each  of
their  respective  directors (but with  respect  to  non-employee
directors,  only  to Harrah's best knowledge), officers,  persons
performing  management  functions similar  to  officers  and,  to
Harrah's    best   knowledge,   partners   hold   all    permits,
registrations,  findings  of  suitability,  licenses,  variances,
exemptions,  certificates of occupancy, orders and  approvals  of
all  Governmental  Entities (including all  authorizations  under
Environmental Laws, Harrah's Gaming Laws, the Merchant Marine Act
of  1920  and  the  Shipping  Act of  1916  and  Certificates  of
Inspection  issued  by  the  U.S. Coast  Guard  and  permits  and
approvals  issued by the United States Army Corps of  Engineers),
necessary to conduct the business and operations of Harrah's  and
each  of  its  Subsidiaries, each of which is in full  force  and
effect  in  all  material  respects,  except  for  such  permits,
registrations,  findings  of  suitability,  licenses,  variances,
exemptions,  certificates of occupancy, orders and approvals  the
failure  of  which  to  hold would not, individually  or  in  the
aggregate,  be  reasonably  likely to have  a  Harrah's  Material
Adverse Effect (the "HARRAH'S PERMITS") and no event has occurred
which permits, or upon the giving of notice or passage of time or
both   would   permit,  revocation,  non-renewal,   modification,
suspension, limitation or termination of any Harrah's Permit that
currently  is in effect the loss of which either individually  or
in  the  aggregate would be reasonably likely to have a  Harrah's
Material  Adverse Effect.  Each of Harrah's and its Subsidiaries,
and  each of their respective directors (but with respect to non-
employee  directors, only to Harrah's best knowledge),  officers,
persons performing management functions similar to officers  and,
to  Harrah's best knowledge, partners, are in compliance with the
terms  of  the  Harrah's Permits, except  for  such  failures  to
comply, which singly or in the aggregate, would not, individually
or  in  the  aggregate, be reasonably likely to have  a  Harrah's
Material Adverse Effect.  Except as disclosed in the Harrah's SEC
Reports filed prior to the date of this Agreement or as would not
be  reasonably likely to have a Harrah's Material Adverse Effect,
the  businesses of Harrah's and its Subsidiaries  are  not  being
conducted in violation of any law, ordinance or regulation of any
Governmental Entity (including, without limitation, any  Harrah's
Gaming  Laws), except for possible violations which  individually
or  in the aggregate do not and would not be reasonably likely to
have  a  Harrah's  Material Adverse Effect.  No investigation  or
review by any Governmental Entity with respect to Harrah's or any
of  its  Subsidiaries is pending, or, to the  best  knowledge  of
Harrah's,  threatened, nor has any Governmental Entity  indicated
any  intention to conduct the same, other than those the  outcome
of  which  would  not,  individually  or  in  the  aggregate,  be
reasonably likely to have a Harrah's Material Adverse Effect.

      (b)  The  term  "HARRAH'S GAMING LAWS" means  any  Federal,
state,  local  or  foreign statute, ordinance, rule,  regulation,
permit,  consent, registration, finding of suitability, approval,
license,   judgment,   order,   decree,   injunction   or   other
authorization,  including  any  condition  or  limitation  placed
thereon,  governing  or relating to the current  or  contemplated
casino and gaming activities and operations of Harrah's or any of
its  Subsidiaries,  including,  without  limitation,  the  Nevada
Gaming  Control  Act  and  the rules and regulations  promulgated
thereunder, the Clark

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<PAGE>

County Code and the rules and regulations promulgated thereunder,
the Douglas County Code and the rules and regulations promulgated
thereunder,  the  Louisiana  Economic  Development   and   Gaming
Corporation   Law  and  the  rules  and  regulations  promulgated
thereunder,  the  Louisiana Riverboat  Economic  Development  and
Gaming  Control  Act  and  the rules and regulations  promulgated
thereunder, the New Jersey Casino Control Act and the  rules  and
regulations   promulgated  thereunder,  the  Illinois   Riverboat
Gambling   Act   and   the  rules  and  regulations   promulgated
thereunder, the Mississippi Gaming Control Act and the rules  and
regulations   promulgated  thereunder,  the  Missouri   Riverboat
Gambling   Act   and   the  rules  and  regulations   promulgated
thereunder, the Indiana Riverboat Gambling Act and the rules  and
regulations of the Indiana Gaming Commission and the codes, rules
and  regulations promulgated thereunder, the Casino  Control  Act
1992  (New South Wales) and the rules and regulations promulgated
thereunder,  the  Indian Gaming Regulatory Act of  1988  and  the
rules  and  regulations promulgated thereunder, any  state-tribal
gaming  compact  and  any applicable state  gaming  law  and  any
federal or state laws relating to currency transactions.

      (c)   Except  as  disclosed  in  Schedule  4.14(c)  of  the
Harrah's  Disclosure Schedule, neither Harrah's nor  any  of  its
Subsidiaries, nor any director (but with respect to  non-employee
directors,  only  to  Harrah's  best  knowledge),  officer,   key
employee or, to Harrah's best knowledge, partners of Harrah's  or
any  of  its Subsidiaries has received any written claim, demand,
notice,  complaint, court order or administrative order from  any
Governmental Entity in the past three years under, or relating to
any  violation or possible violation of any Harrah's Gaming  Laws
which  did  or would be reasonably likely to result in  fines  or
penalties of $50,000 or more.  To Harrah's best knowledge,  there
are no facts, which if known to the regulators under the Harrah's
Gaming  Laws  could  reasonably be  expected  to  result  in  the
revocation,  limitation or suspension of a  license,  finding  of
suitability, registration, permit or approval of it or  them,  or
of  any officer, director, person performing management functions
similar to an officer or partner, under any Harrah's Gaming Laws.
Neither  Harrah's  nor  any of its Subsidiaries  has  suffered  a
suspension  or revocation of any material license  ,  finding  of
suitability,  registration, permit or  approval  held  under  the
Harrah's Gaming Laws.

     SECTION  4.15.   ACCOUNTING AND TAX MATTERS.   To  the  best
knowledge  of  Harrah's, after consulting  with  its  independent
auditors  with respect to clause (i) below and its  tax  advisors
with  respect  to  clause  (ii) below, except  as  set  forth  on
Schedule  4.15  of  the  Harrah's  Disclosure  Schedule,  neither
Harrah's  nor any of its Affiliates has taken or agreed  to  take
any  action which would (i) prevent Harrah's from accounting  for
the  business  combination to be effected  by  the  Merger  as  a
pooling  of  interests or (ii) prevent the Merger from qualifying
as a reorganization described in Section 368(a) of the Code.

     SECTION    4.16.     JOINT    PROXY    STATEMENT/PROSPECTUS;
REGISTRATION  STATEMENT.   None of the  information  supplied  by
Harrah's  or  Merger  Sub  to  be  included  or  incorporated  by
reference  in  the  Joint  Proxy  Statement/Prospectus   or   any
amendment  thereof or supplement thereto, will, on  the  date  it
became effective with the SEC, at the time of the mailing of  the
Joint  Proxy Statement/Prospectus or any amendment or  supplement
thereto  to the stockholders of Harrah's or Rio, at the  time  of
the  Harrah's  Stockholders' Meeting and  the  Rio  Stockholders'
Meeting  and at the Effective Time, contain any untrue  statement
of  a  material fact, or omit to state any material fact required
to be stated therein or necessary in order to make the statements
therein, in light of the circumstances under which they are made,
not misleading.  The Joint Proxy

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<PAGE>

Statement/Prospectus  will comply as  to  form  in  all  material
respects  with  the  provisions of the  Securities  Act  and  the
Exchange  Act and the rules and regulations thereunder; PROVIDED,
HOWEVER,  that Harrah's makes no representation with  respect  to
any  information supplied or to be supplied by Rio for  inclusion
or  incorporated by reference from Rio SEC filings in  the  Joint
Proxy Statement/Prospectus or any amendment thereof or supplement
thereto.  None of the information supplied by Harrah's or  Merger
Sub to be included or incorporated by reference from Harrah's SEC
filings  in  the  Registration Statement will, at  the  time  the
Registration Statement is declared effective by the SEC,  contain
any  untrue  statement of a material fact or omit  to  state  any
material fact required to be stated therein or necessary in order
to  make  the  statements therein, in light of the  circumstances
under which they are made, not misleading.

     SECTION  4.17.   BROKERS.   None of  Harrah's,  any  of  its
Subsidiaries, or any of their respective officers,  directors  or
employees  have employed any broker, financial advisor or  finder
or  incurred any liability for any brokerage fees, commissions or
finder's fees in connection with the transactions contemplated by
this Agreement, except that Harrah's has retained BT Wolfensohn &
Co.  as financial advisor, the arrangements with which have  been
disclosed in writing to Rio prior to the date hereof.

     SECTION  4.18.  NO OPERATIONS OF MERGER SUB.  Other than  in
connection  with the transactions contemplated by this Agreement,
since its date of incorporation, Merger Sub has not conducted any
business, has not owned, leased or operated any real property and
has  not  incurred any liabilities or obligations of any  nature,
whether or not accrued, contingent or otherwise.

     SECTION   4.19.   TITLE  TO  PROPERTY.   Harrah's  and   its
Subsidiaries have good, valid, legal and marketable title to  all
of  their real properties purported to be owned by them and  good
and  valid title to other assets purported to be owned  by  them,
free  and  clear  of all liens, charges and encumbrances,  except
liens  for taxes not yet due and payable and such liens or  other
imperfections of title, if any, as do not materially detract from
the  value  of or interfere with the present use of the  property
affected  thereby  or  which could not  reasonably  be  expected,
individually  or  in the aggregate, to have a  Harrah's  Material
Adverse  Effect,  and except for liens which secure  indebtedness
reflected in the Harrah's Balance Sheet; and all leases  pursuant
to  which Harrah's or its Subsidiaries lease from others material
amounts of real or personal property are in good standing,  valid
and  effective  in  accordance with their respective  terms,  and
there  is  not,  under any of such leases, any existing  material
default or event of default (or event which with notice or  lapse
of  time,  or  both,  would constitute  a  material  default)  by
Harrah's and its Subsidiaries except where the lack of such  good
standing,  validity and effectiveness, or the existence  of  such
default  or  event of default would not reasonably  be  expected,
individually  or  in the aggregate, to have a  Harrah's  Material
Adverse Effect.

     SECTION 4.20.  AGREEMENTS, CONTRACTS AND COMMITMENTS.

      (a)  Except as disclosed in the Harrah's SEC Reports  filed
prior  to  the date of this Agreement or as disclosed in Schedule
4.20(a)  of the Harrah's Disclosure Schedule, as of the  date  of
this Agreement, neither Harrah's nor any of its Subsidiaries is a
party to any oral or written contract, agreement or commitment to
be  performed  after the date hereof which would  be  a  material
contract (as defined in Item 601(b)(10) of Regulation S-K of  the
SEC, collectively, the "HARRAH'S MATERIAL CONTRACTS").

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<PAGE>

      (b)  Except as disclosed in the Harrah's SEC Reports  filed
prior  to  the date of this Agreement or as disclosed in Schedule
4.20(b)  of the Harrah's Disclosure Schedule, as of the  date  of
this  Agreement, (i) each of the Harrah's  Material Contracts  is
valid  and binding upon Harrah's or any of its Subsidiaries (and,
to  Harrah's  best  knowledge, on all other parties  thereto)  in
accordance  with  its  terms and is in  full  force  and  effect,
(ii)  there  is no material breach or violation of or default  by
Harrah's  or  any of its Subsidiaries under any of  the  Harrah's
Material  Contracts,  whether or not such  breach,  violation  or
default  has  been waived, and (iii) no event has  occurred  with
respect to Harrah's or any of its Subsidiaries which, with notice
or  lapse  of  time or both, would constitute a material  breach,
violation  or  default, or give rise to a right  of  termination,
modification, cancellation, foreclosure, imposition  of  a  lien,
prepayment  or  acceleration under any of the  Harrah's  Material
Contracts,  which  breach, violation or default  referred  to  in
clauses (ii) or (iii), alone or in the aggregate with other  such
breaches, violations or defaults referred to in clauses  (ii)  or
(iii),  would  be  reasonably likely to have a Harrah's  Material
Adverse Effect.

     SECTION   4.21.   INFORMATION  REGARDING  HJC.   Except   as
disclosed on Schedule 4.21 of the Harrah's Disclosure Schedule or
as  would  not  be  reasonably likely to have a Harrah's  Adverse
Effect,  the Harrah's Form 10-K filed as of  March 10,  1998  and
the  Harrah's Form 10-Q filed as of August 7, 1998 did not at the
time  they  were filed (or if amended or superseded by  a  filing
prior  to  the date of this Agreement, then on the date  of  such
filing),  and  do not as of the date hereof, contain  any  untrue
statement of a material fact relating to HJC or omit to  state  a
material fact relating to HJC required to be stated in such  Form
10-K  and  Form 10-Q or necessary in order to make the statements
relating to HJC therein, in the light of the circumstances  under
which they were made, not misleading.

     SECTION  4.22.  OPINION OF FINANCIAL ADVISOR.  Harrah's  has
received  the opinion of BT Wolfensohn & Co., dated the  date  of
this Agreement, to the effect that the Exchange Ratio is fair  to
Harrah's from a financial point of view.

                           ARTICLE V.
                                
                           COVENANTS
                                
     SECTION  5.1.    CONDUCT OF BUSINESS  OF  RIO.   During  the
period  from the date of this Agreement and continuing until  the
earlier  of  the termination of this Agreement or  the  Effective
Time,  Rio  agrees  as  to itself and each  of  its  Subsidiaries
(except  to  the extent that Harrah's shall otherwise consent  in
writing)  to  carry  on its business in the  ordinary  course  in
substantially the same manner as previously conducted, to pay its
debts  and  taxes when due, subject to good faith  disputes  over
such debts or taxes, in the ordinary course in substantially  the
same  manner  as  previously paid, to pay or  perform  its  other
obligations when due in the ordinary course in substantially  the
same  manner as previously paid or performed, and, to the  extent
consistent  with  such  business,  use  all  reasonable   efforts
consistent  with  past practices and policies to preserve  intact
its present business organization, keep available the services of
its   present  officers  and  key  employees  and  preserve   its
relationships with customers, suppliers, distributors, and others
having   business  dealings  with  it.   Without   limiting   the
generality  of the foregoing and except as expressly contemplated
by  this Agreement, or as specifically disclosed on Schedule  5.1
of  the Rio Disclosure Schedule, during the period from the  date
of this Agreement and continuing until the

                               36
<PAGE>

earlier  of  the termination of this Agreement or  the  Effective
Time, without the written consent of Harrah's, Rio shall not  and
shall not permit any of its Subsidiaries to:

           (i)   adopt   any   amendment  to  its   Articles   of
Incorporation  or Bylaws or comparable charter or  organizational
documents;

           (ii)(A)  issue,  pledge  or  sell,  or  authorize  the
issuance, pledge or sale of additional shares of capital stock of
any class (other than upon exercise of Options outstanding on the
date  of  this  Agreement  upon payment  of  the  exercise  price
thereof),  or  securities convertible into capital stock  of  any
class,  or  any  rights,  warrants  or  options  to  acquire  any
convertible securities or capital stock, or any other  securities
in  respect of, in lieu of, or in substitution for, shares of Rio
Common  Stock outstanding on the date hereof or (B) amend,  waive
or  otherwise modify any of the terms of any option,  warrant  or
stock  option  plan of Rio or any of its Subsidiaries,  including
without  limitation,  the Rio Options or  the  Rio  Stock  Option
Plans;

           (iii)    declare,  set aside or pay  any  dividend  or
other  distribution (whether in cash, securities or  property  or
any combination thereof) in respect of any class or series of its
capital  stock other than between any wholly-owned Subsidiary  of
Rio and Rio or any other wholly-owned Subsidiary of Rio;

           (iv)  split, combine, subdivide, reclassify or redeem,
purchase  or otherwise acquire, or propose to redeem or  purchase
or  otherwise acquire, any shares of its capital stock, or any of
its other securities;

           (v)  increase  the  compensation  or  fringe  benefits
payable  or  to  become  payable to its  directors,  officers  or
employees (whether from Rio or any of its Subsidiaries),  or  pay
any  benefit  not  required by any existing plan  or  arrangement
(including,  without limitation, the granting of  stock  options,
stock   appreciation  rights,  shares  of  restricted  stock   or
performance units) or grant any severance or termination  pay  to
(except  pursuant  to existing agreements or policies  previously
disclosed in writing to Harrah's, which shall be interpreted  and
implemented in a manner consistent with past practice), or  enter
into  any  employment or severance agreement with, any  director,
officer  or  employee  of  Rio  or any  of  its  Subsidiaries  or
establish, adopt, enter into, or amend any collective bargaining,
bonus,   profit  sharing,  thrift,  compensation,  stock  option,
restricted stock, pension, retirement, savings, welfare, deferred
compensation,   employment,  termination,  severance   or   other
employee   benefit  plan,  agreement,  trust,  fund,  policy   or
arrangement for the benefit or welfare of any directors, officers
or   current   or   former  employees,  including   any   Benefit
Arrangement,  Pension Plan or Welfare Plan,  except  (i)  to  the
extent required by applicable law or regulation, (ii) pursuant to
any  collective  bargaining agreements or  Employee  Plan  as  in
effect  on  the  date  of  this Agreement  consistent  with  past
practices, (iii) for salary and benefit increases in the ordinary
course  of  business consistent with past practice  to  employees
other than executive officers of Rio, or (iv) pursuant to Section
2.3;

           (vi)(A)  sell,  pledge,  lease,  dispose  of,   grant,
encumber,  or  otherwise authorize the sale, pledge, disposition,
grant or encumbrance of any of the properties or assets of Rio or
any  of  its  Subsidiaries, except for sales  of  assets  in  the
ordinary  course  of  business in connection  with  Rio's  gaming
operations  in  an amount not to exceed $500,000 individually  or
$2,000,000  in  the aggregate or (B) acquire (including,  without
limitation, by merger,

                               37
<PAGE>

consolidation,  lease  or acquisition of  stock  or  assets)  any
corporation,  partnership,  other business  organization  or  any
division thereof (or a substantial portion of the assets thereof)
or  any  other assets, except for acquisitions of assets  in  the
ordinary  course  of  business in connection  with  Rio's  gaming
operations in an amount individually not to exceed $1,000,000;

           (vii)    (A)  incur, assume or pre-pay  any  long-term
debt or incur or assume any short-term debt, except that Rio  and
its Subsidiaries may incur or pre-pay debt in the ordinary course
of  business  (including Rio's capital expansion and  improvement
program  which is set forth on Schedule 5.1 of the Rio Disclosure
Schedule) consistent with past practice under existing  lines  of
credit, (B) assume, guarantee, endorse or otherwise become liable
or  responsible (whether directly, contingently or otherwise) for
the obligations of any other person except in the ordinary course
of business consistent with past practice, or (C) make any loans,
advances  or  capital  contributions to, or investments  in,  any
other person except in the ordinary course of business consistent
with  past practice (including advances to employees) and  except
for loans, advances, capital contributions or investments between
any  wholly-owned  Subsidiary of Rio and Rio or  another  wholly-
owned Subsidiary of Rio;

           (viii)   authorize, recommend, propose or announce  an
intention  to adopt a plan of complete or partial liquidation  or
dissolution of Rio or any of its Subsidiaries;

           (ix)  make or rescind any material express  or  deemed
election  relating  to Taxes, settle or compromise  any  material
claim,   action,   suit,  litigation,  proceeding,   arbitration,
investigation, audit or controversy relating to Taxes, or  except
as  may be required by applicable law, make any change to any  of
its   material   methods  of  reporting  income   or   deductions
(including,  without limitation, any change  to  its  methods  or
basis  or  write-offs of accounts receivable) for federal  income
tax  purposes  from  those employed in  the  preparation  of  its
federal  income  tax return for the taxable year ending  December
31, 1996, PROVIDED, HOWEVER, that Harrah's shall not unreasonably
withhold  or  delay its consent to any such matter  described  in
this  Section 5.1 in a manner that would preclude Rio from timely
making  such an election, timely filing its Tax Returns or timely
paying its Taxes;

           (x)  pay,  discharge or satisfy any  material  claims,
liabilities   or   obligations  (absolute,   accrued,   asserted,
unasserted,  contingent or otherwise), other  than  the  payment,
discharge or satisfaction in the ordinary course of business  and
consistent  with  past  practice  of  liabilities  reflected   or
reserved against in the consolidated financial statements of Rio;

           (xi) other than in the ordinary course of business and
consistent  with past practice, waive any rights  of  substantial
value  or  make any payment, direct or indirect, of any  material
liability  of Rio or of any of its Subsidiaries before  the  same
comes due in accordance with its terms;

           (xii)     fail  to  maintain  its  existing  insurance
coverage  of  all  types  in effect or, in  the  event  any  such
coverage shall be terminated or lapse, to the extent available at
reasonable   cost,   procure  substantially  similar   substitute
insurance policies which in all material respects are in at least
such  amounts and against such risks as are currently covered  by
such policies;

           (xiii)    enter   into   any   collective   bargaining
agreement  (other  than  as required  by  law  or  extensions  of
existing agreements in the ordinary course of business);

                               38
<PAGE>

           (xiv)    take  any  action, other than reasonable  and
usual  actions in the ordinary course of business and  consistent
with  past  practice,  with  respect to  accounting  policies  or
procedures, unless required by GAAP or the SEC;

           (xv)  modify, amend or  terminate  any  of   the   Rio
Material  Contracts  or  waive, release or  assign  any  material
rights  or  claims,  except in the ordinary  course  of  business
consistent with past practice;

           (xvi)    take, or agree to commit to take, any  action
that  would  cause  the  representations and  warranties  of  Rio
contained herein, individually or in the aggregate, which are not
qualified  by  materiality not to be  true  and  correct  in  all
material respects, or cause those qualified by materiality  or  a
Rio Material Adverse Effect not to be true and correct, at, or as
of any time prior to, the Effective Time;

           (xvii)  engage in any transaction with, or enter  into
any  agreement, arrangement, or understanding with,  directly  or
indirectly,  any of Rio's Affiliates which involves the  transfer
of  consideration or has a financial impact on  Rio,  other  than
pursuant  to  such  agreements, arrangements,  or  understandings
existing  on the date of this Agreement or disclosed on  Schedule
3.24 of the Rio Disclosure Schedule;

           (xviii)  close, shut down, or otherwise eliminate  the
casino or the golf course owned or operated by Rio or any of  its
Subsidiaries, except for such closures, shutdowns or eliminations
which  are  (i)  required  by action,  order,  writ,  injunction,
judgment or decree or otherwise required by law, (ii) due to acts
of  God  or  other  force majeure events or  (iii)  temporary  or
seasonal  and in the ordinary course of business as set forth  in
Schedule 5.1(xviii) of the Rio Disclosure Schedule;

           (xix)    take  or agree to take any action that  would
prevent  the  Merger  from  qualifying  as  a  reorganization  as
described in Section 368(a) of the Code;

           (xx)  settle  any   litigation   relating    to    the
transactions contemplated hereby other than any settlement  which
would not (i) be reasonably likely to have a Rio Material Adverse
Effect  or  (ii) materially adversely affect the consummation  of
the transactions contemplated hereby; or

           (xxi)    enter into an agreement, contract, commitment
or  arrangement  to  do any of the foregoing,  or  to  authorize,
recommend,  propose or announce an intention to  do  any  of  the
foregoing.

     SECTION  5.2.   CONDUCT OF BUSINESS OF HARRAH'S  AND  MERGER
SUB.   During  the  period from the date of  this  Agreement  and
continuing until the earlier of the termination of this Agreement
or  the Effective Time, Harrah's agrees as to itself and each  of
its  Subsidiaries (except to the extent that Rio shall  otherwise
consent  in  writing) to carry on its business  in  the  ordinary
course  in substantially the same manner as previously conducted,
to  pay  its  debts  and taxes when due, subject  to  good  faith
disputes  over  such  debts or taxes, in the ordinary  course  in
substantially  the  same manner as previously  paid,  to  pay  or
perform its other obligations when due in the ordinary course  in
substantially  the same manner as previously paid  or  performed,
and,  to  the  extent  consistent with  such  business,  use  all
reasonable efforts consistent with past practices and policies

                               39
<PAGE>

to  preserve  intact  its  present  business  organization,  keep
available  the services of its present officers and key employees
and   preserve  its  relationships  with  customers,   suppliers,
distributors,  and  others  having  business  dealings  with  it.
Without  limiting the generality of the foregoing and  except  as
expressly  contemplated  by this Agreement,  or  as  specifically
disclosed on Schedule 5.2 of the Harrah's Disclosure Schedule  or
such  as  would  not  be reasonably likely  to  have  a  Harrah's
Material Adverse Effect, during the period from the date of  this
Agreement and continuing until the earlier of the termination  of
this Agreement or the Effective Time, without the written consent
of Rio, Harrah's shall not:

      (a)  adopt  any  amendment to its Articles of Incorporation
or Bylaws of Harrah's or Harrah's Operating Company;

      (b)  declare,  set  aside  or pay  any  dividend  or  other
distribution  (whether in cash, securities  or  property  or  any
combination thereof) in respect of any class of or series of  its
capital  stock other than between any Subsidiary of Harrah's  and
Harrah's or any other Subsidiary of Harrah's;

      (c)  take  any  action  or  make  any  change,  other  than
reasonable  and usual actions in the ordinary course of  business
and  consistent  with past practice, with respect  to  accounting
policies and procedures, unless required by GAAP or the SEC;

      (d)  authorize, recommend, propose or announce an intention
to adopt a plan of complete or partial liquidation or dissolution
of Harrah's or Harrah's Operating Company;

      (e)  other  than  in the ordinary course  of  business  and
consistent  with past practice, waive any rights  of  substantial
value  or  make any payment, direct or indirect, of any  material
liability  of Harrah's or of any of its Subsidiaries  before  the
same comes due in accordance with its terms;

      (f)  fail to maintain insurance in such amounts and on such
terms   as  is  necessary  for  Harrah's  business  as  currently
conducted  and  as  is  reasonable and customary  in  the  gaming
business;

      (g)  take,  or  agree to commit to take,  any  action  that
would  cause  the  representations  and  warranties  of  Harrah's
contained herein, individually or in the aggregate, which are not
qualified  by  materiality not to be  true  and  correct  in  all
material  respects or cause those qualified by materiality  or  a
Harrah's  Material Adverse Effect not to be true and correct  at,
or as of any time prior to, the Effective Time;

      (h)  take  or  agree to take any action that would  prevent
the  Merger  from  qualifying  as a reorganization  described  in
Section 368(a) of the Code;

      (i)  acquire  or  agree to acquire any business  or  assets
unrelated  to the gaming industry in an amount which exceeds  $25
million  other  than  as  set forth in  Schedule  5.2(i)  of  the
Harrah's  Disclosure  Schedule;  for  purposes  of  this  Section
5.2(i), "gaming industry" shall include hotels, undeveloped  land
which  could  be  used  either currently  or  in  the  future  in
furtherance  of  gaming, and any other assets necessary  for,  in
support  or in anticipation of and ancillary to or in preparation
for, the gaming business; or

                               40
<PAGE>

      (j)  enter  into  an  agreement,  contract,  commitment  or
arrangement  to  do  any  of  the  foregoing,  or  to  authorize,
recommend,  propose or announce any intention to do  any  of  the
foregoing.

     SECTION  5.3.    COOPERATION;  NOTICE;  CURE.   Subject   to
compliance  with applicable law, from the date hereof  until  the
Effective  Time,  each  of Harrah's and Rio  shall  confer  on  a
regular  and  frequent basis with one or more representatives  of
the  other  party  to  report on the general  status  of  ongoing
operations.  Each of Harrah's and Rio shall promptly  notify  the
other  in  writing  of, and will use all commercially  reasonable
efforts  to  cure before the Closing Date, any event, transaction
or  circumstance, as soon as practical after it becomes known  to
such  party, that causes or will cause any covenant or  agreement
of  Harrah's or Rio, as the case may be, under this Agreement  to
be  breached  in  any material respect or that  renders  or  will
render  untrue  in  any  material respect any  representation  or
warranty  of  Harrah's or Rio contained in  this  Agreement.   No
notice given pursuant to this paragraph shall have any effect  on
the   representations,   warranties,  covenants   or   agreements
contained   in   this  Agreement  for  purposes  of   determining
satisfaction of any condition contained herein.

     SECTION 5.4.   NO SOLICITATION.

      (a)  Rio  shall  not, directly or indirectly,  through  any
officer, director, employee, financial advisor, representative or
agent  of  such  party (i) solicit, initiate,  or  encourage  any
inquiries  or  proposals that constitute, or could reasonably  be
expected  to  lead  to,  a  proposal  or  offer  for  a   merger,
consolidation, business combination, sale of substantial  assets,
sale of shares of capital stock (including without limitation  by
way  of  a tender offer) or similar transaction involving Rio  or
any  of  its  material Subsidiaries, other than the  transactions
contemplated by this Agreement (any of the foregoing inquiries or
proposals  being referred to in this Agreement as an "ACQUISITION
PROPOSAL"), (ii) engage in negotiations or discussions  with  any
person  (or  group  of  persons)  other  than  Harrah's  or   its
respective affiliates (a "THIRD PARTY") concerning,  provide  any
non-public  information to any person or entity relating  to,  or
take  any  other action to facilitate inquiries or the making  of
any  proposal that constitutes, an Acquisition Proposal, or (iii)
enter   into  any  agreement  with  respect  to  any  Acquisition
Proposal;  PROVIDED,  HOWEVER, that  nothing  contained  in  this
Section  5.4  shall  prevent Rio or its Board of  Directors  from
furnishing   non-public  information   to,   or   entering   into
discussions  or negotiations with, any Third Party in  connection
with an unsolicited bona fide written proposal for an Acquisition
Proposal (as defined below) by such Third Party, if and  only  to
the  extent that (1) such Third Party has made a written proposal
to  the  Board  of Directors of Rio to consummate an  Acquisition
Proposal, which proposal identifies a price or range of values to
be  paid for the outstanding securities or substantially  all  of
the  assets  of Rio, (2) the Board of Directors of Rio determines
in  good  faith, after consultation with a financial  advisor  of
nationally recognized reputation, that such Acquisition  Proposal
is  reasonably  capable of being completed on  substantially  the
terms   proposed,  and  would,  if  consummated,  result   in   a
transaction  that would provide greater value to the  holders  of
Rio  Common  Stock  than  the transaction  contemplated  by  this
Agreement (a "SUPERIOR PROPOSAL"), (3) the Board of Directors  of
Rio  determines  in  good faith, based on the advice  of  outside
legal  counsel,  that the failure to take such  action  would  be
inconsistent  with  its  fiduciary duties to  Rio's  stockholders
under applicable law, and (4) prior to furnishing such non-public
information  to,  or  entering into discussions  or  negotiations
with,  such  person  or entity, such Board of Directors  receives
from such person or entity an executed confidentiality and

                               41
<PAGE>

standstill  agreement  (unless the  Board  of  Directors  of  Rio
determines  in  good  faith  upon the  advice  of  counsel,  that
requiring  such  person  or entity to  enter  into  a  standstill
agreement  would  violate  such  Board's  fiduciary  duty)   with
material  terms  no  less  favorable to  such  party  than  those
contained in the Confidentiality Agreements each dated  June  18,
1998 between Harrah's and Rio (the "CONFIDENTIALITY AGREEMENTS").
Rio  agrees  not to release any Third Party from,  or  waive  any
provision of, any standstill agreement to which it is a party  or
any  confidentiality agreement between it and another person  who
has made, or who may reasonably be considered likely to make,  an
Acquisition  Proposal,  unless the  Board  of  Directors  of  Rio
determines  in  good faith, based on the advice of outside  legal
counsel,   that  the  failure  to  take  such  action  would   be
inconsistent  with  its  fiduciary duties to  Rio's  stockholders
under applicable law.

      (b)  Rio  shall notify Harrah's promptly after  receipt  by
Rio  or Rio's knowledge of the receipt by any of its advisors  of
any   Acquisition   Proposal  or  any  request   for   non-public
information  in  connection with an Acquisition Proposal  or  for
access  to the properties, books or records of Rio by any  person
or  entity that informs such party that it is considering  making
or  has made an Acquisition Proposal.  Such notice shall be  made
orally  and  in  writing and shall indicate the identity  of  the
offeror and the terms and conditions of such proposal, inquiry or
contact.   Rio  shall (i) keep Harrah's informed  of  the  status
(including  any  change  to  the  material  terms)  of  any  such
Acquisition  Proposal or request for non-public  information  and
(ii) provide to Harrah's as soon as practicable after receipt  or
delivery  thereof  with  copies of all correspondence  and  other
written  material  (A) sent or provided to  Rio  or  any  of  its
employees,  representatives or agents from  any  Third  Party  in
connection  with  any Acquisition Proposal or  request  for  non-
public  information or (B) sent or provided by Rio or any of  its
employees,  representatives  or agents  to  any  Third  Party  in
connection  with  any Acquisition Proposal or  request  for  non-
public information.

      (c)  Except  as  expressly permitted by this  Section  5.4,
neither  the Board of Directors of Rio nor any committee  thereof
shall  (i) withdraw or modify, or propose to withdraw or  modify,
in  a  manner adverse to Harrah's, the approval or recommendation
by  the  Board of Directors of Rio or any such committee of  this
Agreement or the Merger, (ii) approve or cause Rio to enter  into
letter  of intent, agreement in principle or any legally  binding
acquisition  agreement  or  similar  agreement  relating  to  any
Acquisition  Proposal  (any such legally  binding  agreement,  an
"ACQUISITION  AGREEMENT")  or  (iii)  approve  or  recommend,  or
propose   to  publicly  approve  or  recommend,  any  Acquisition
Proposal.   Notwithstanding the foregoing, if Rio has received  a
Superior  Proposal, the Board of Directors of Rio may,  prior  to
approval of the Merger by Rio's stockholders and subject to  this
and the following sentences, terminate this Agreement pursuant to
Section  7.1(f), but only at a time that is more  than  48  hours
following receipt by Harrah's of written notice advising Harrah's
that  the  Board of Directors of Rio is prepared to  accept  such
Superior  Proposal, specifying the material terms and  conditions
of  such Superior Proposal and identifying the Third Party making
such Superior Proposal; PROVIDED, HOWEVER, that concurrently with
or  immediately after such termination, the Board of Directors of
Rio  shall cause Rio to enter into an Acquisition Agreement  with
respect to such Superior Proposal.

      (d)  Nothing  contained in this Section 5.4 shall  prohibit
Rio  from  taking and disclosing to its stockholders  a  position
contemplated by Rule 14e-2(a) promulgated under the Exchange  Act
or  from making any disclosure to Rio's stockholders if,  in  the
good  faith judgment of the Board of Directors of Rio,  based  on
the advice of outside legal counsel, failure to so

                               42
<PAGE>

disclose  would  be  inconsistent with its fiduciary  obligations
under applicable law; PROVIDED, HOWEVER, that neither Rio nor the
Board  of  Directors  of  Rio (nor any committee  thereof)  shall
withdraw  or modify, or propose publicly to withdraw  or  modify,
its  position  with respect to this Agreement or the  Merger,  or
approve   or  recommend,  or  propose  publicly  to  approve   or
recommend, an Acquisition Proposal.

     SECTION 5.5.  JOINT PROXY STATEMENT/PROSPECTUS;
                   REGISTRATION STATEMENT.

      (a)  As promptly as practicable after the execution of this
Agreement,  Rio  and Harrah's shall cooperate, prepare  and  file
with  the  SEC,  the  Joint  Proxy Statement/Prospectus  and  the
Registration    Statement    in    which    the    Joint    Proxy
Statement/Prospectus  will be included as a prospectus,  PROVIDED
that  Harrah's may delay the filing of the Registration Statement
until  approval  of the Joint Proxy Statement/Prospectus  by  the
SEC.    Rio   and   Harrah's   will   cause   the   Joint   Proxy
Statement/Prospectus and the Registration Statement to comply  as
to  form  in all material respects with the applicable provisions
of  the  Securities  Act, the Exchange  Act  and  the  rules  and
regulations thereunder.  Each of Harrah's and Rio shall  use  all
reasonable   efforts   to   have  or  cause   the   Joint   Proxy
Statement/Prospectus to be cleared by the SEC and  to  cause  the
Registration  Statement  to  become  effective  as  promptly   as
practicable.   Without limiting the generality of the  foregoing,
each  of  Rio and Harrah's shall, and shall cause its  respective
representatives to, fully cooperate with the other party and  its
respective representatives in the preparation of the Joint  Proxy
Statement/Prospectus and the Registration Statement,  and  shall,
upon  request,  furnish  the  other party  with  all  information
concerning  it  and  its  affiliates,  directors,  officers   and
stockholders  as the other may reasonably request  in  connection
with the preparation of the Joint Proxy Statement/Prospectus  and
the Registration Statement.  The Joint Proxy Statement/Prospectus
with  respect  to the Merger shall include the determination  and
recommendation of the Board of Directors of Rio and the Board  of
Directors of Harrah's that their respective shareholders vote  in
favor  of  the  approval and adoption of this Agreement  and  the
Merger.   Rio and Harrah's shall use reasonable efforts  to  take
all  actions  required  under  any applicable  federal  or  state
securities  or Blue Sky Laws in connection with the  issuance  of
shares  of  Harrah's Common Stock pursuant  to  the  Merger.   As
promptly  as  practicable after the Registration  Statement  with
respect  to  the  Merger  shall have become  effective,  Rio  and
Harrah's  shall  cause the Joint Proxy Statement/Prospectus  with
respect   to   the  Merger  to  be  mailed  to  their  respective
stockholders.

      (b)  Without limiting the generality of the foregoing,  (i)
Rio  and  Harrah's  shall  notify  each  other  as  promptly   as
practicable  upon  becoming aware of any  event  or  circumstance
which  should be described in an amendment of, or supplement  to,
the   Joint   Proxy  Statement/Prospectus   or  the  Registration
Statement, and (ii) Rio and Harrah's shall each notify the  other
as promptly as practicable after the receipt by it of any written
or oral comments of the SEC on, or of any written or oral request
by  the  SEC  for amendments or supplements to, the  Joint  Proxy
Statement/Prospectus  or the Registration  Statement,  and  shall
promptly  supply  the  other with copies  of  all  correspondence
between it or any of its representatives and the SEC with respect
to any of the foregoing filings.

      (c)  The  information  supplied by  Rio  for  inclusion  or
incorporation    by    reference    in    the     Joint     Proxy
Statement/Prospectus and the Registration Statement shall not (i)
at  the  time  the Registration Statement is declared  effective,
(ii) at the time the Joint Proxy Statement/Prospectus

                               43
<PAGE>

(or  any amendment thereof or supplement thereto) is first mailed
to  the  holders of Rio Common Stock and the holders of  Harrah's
Common  Stock, (iii) at the time of the Rio Stockholders' Meeting
and  the Harrah's Stockholders' Meeting and (iv) at the Effective
Time, contain any untrue statement of a material fact or omit  to
state  a material fact required to be stated therein or necessary
to  make the statements therein, in light of the circumstances in
which they are made, not misleading.  If at any time prior to the
Effective Time any event or circumstance relating to Rio  or  any
if  its  affiliates  or  its  or their  respective  officers  and
directors  should be discovered by Rio which should be set  forth
in  an amendment to the Registration Statement or a supplement to
the  Joint Proxy Statement/Prospectus, Rio shall promptly  inform
Harrah's of such event or circumstance.

      (d)  The information supplied by Harrah's for inclusion  or
incorporation    by    reference    in    the     Joint     Proxy
Statement/Prospectus  and the Registration  Statement  shall  not
(i) at the time the Registration Statement is declared effective,
(ii)  at  the time the Joint Proxy Statement/Prospectus  (or  any
amendment thereof or supplement thereto) is first mailed  to  the
holders  of  Rio  Common Stock, (iii) at  the  time  of  the  Rio
Stockholder's  Meeting, and (iv) at the Effective  Time,  contain
any  untrue  statement of a material fact  or  omit  to  state  a
material fact required to be stated therein or necessary to  make
the  statements therein, in light of the circumstances  in  which
they  are  made,  not misleading.  If at any time  prior  to  the
Effective Time any event or circumstance relating to Harrah's  or
any  if  its  affiliates or its or their respective officers  and
directors  should be discovered by Harrah's which should  be  set
forth  in  an  amendment  to  the  Registration  Statement  or  a
supplement  to  the  Joint  Proxy Statement/Prospectus,  Harrah's
shall promptly inform Rio of such event or circumstance.

      SECTION  5.6.  STOCKHOLDERS' MEETINGS.   Rio  and  Harrah's
shall  each call a meeting of its respective stockholders  to  be
held  as  promptly as practicable for the purpose of voting  upon
this  Agreement and the Merger.  Each of Rio and Harrah's  shall,
through  its  respective Board of Directors, recommend  to  their
respective  stockholders adoption of this Agreement and  approval
of  such matters, shall coordinate and cooperate with the respect
to  the  timing of such meetings and shall use their best efforts
to  hold such meetings on the same day and as soon as practicable
after  the  date hereof. Each of Rio and Harrah's shall  use  all
reasonable  efforts to solicit from its stockholders  proxies  in
favor  of such matters.  Without limiting the generality  of  the
foregoing,  unless  this  Agreement  is  terminated  pursuant  to
Section 7.1(f), Rio agrees that its obligations pursuant to  this
Section  5.6  shall  not be affected by the commencement,  public
proposal or communication to Rio of any Acquisition Proposal.

     SECTION  5.7.    ACCESS  TO  INFORMATION.   Upon  reasonable
notice,  each of  Harrah's and Rio (and each of their  respective
Subsidiaries)  shall afford to the other party and its  officers,
employees,   accountants,  counsel  and  other   representatives,
reasonable access, during normal business hours during the period
prior  to  the Effective Time, to all its personnel,  properties,
books,  contracts,  commitments  and  records  and,  during  such
period,  each of Harrah's and Rio shall, and shall cause each  of
its  respective Subsidiaries to, furnish promptly  to  the  other
(a)  copies of monthly financial reports and development reports,
(b)  a copy of each report, schedule, registration statement  and
other  documents  filed  or received by  it  during  such  period
pursuant to the requirements of federal or state securities  laws
and (c) all other information concerning its business, properties
and  personnel  as the other party may reasonably request.   Each
party  making  such  requests  will  hold  any  such  information
furnished to it by the other party which

                               44
<PAGE>

is nonpublic in confidence in accordance with the Confidentiality
Agreement  binding  on such party.  No information  or  knowledge
obtained in any investigation pursuant to this Section 5.7  shall
affect  or  be  deemed to modify any representation  or  warranty
contained  in this Agreement or the conditions to the obligations
of  the  parties to consummate the Merger.  Paragraph  8  of  the
Confidentiality  Agreement binding Harrah's shall  be  terminated
and  be  without  effect upon any termination of  this  Agreement
pursuant to Sections 7.1(d), 7.1(e) or 7.1(f).

     SECTION 5.8.   GOVERNMENTAL APPROVALS.

      (a)  The parties hereto shall cooperate with each other and
use  their reasonable best efforts (and, with respect to the  Rio
Gaming  Laws  and  the  Harrah's Gaming  Laws,  shall  use  their
reasonable  best efforts to cause their respective directors  and
officers  to  do so) to promptly prepare and file  all  necessary
documentation, to effect all applications, notices, petitions and
filings,  to  obtain  as  promptly as  practicable  all  permits,
registrations,  licenses,  findings  of  suitability,   consents,
variances,  exemptions, orders, approvals and  authorizations  of
all  third  parties and Governmental Entities which are necessary
to  consummate  the transactions contemplated by this  Agreement,
including, without limitation, all filings required under the HSR
Act,   the   Rio  Gaming  Laws  and  the  Harrah's  Gaming   Laws
("GOVERNMENTAL APPROVALS"), and to comply (and, with  respect  to
the  Rio Gaming Laws and the Harrah's Gaming Laws, to cause their
respective  directors and officers and employees  to  so  comply)
with the terms and conditions of all such Governmental Approvals.
Each  of  the  parties  hereto shall use  their  reasonable  best
efforts to, and shall use their reasonable best efforts to  cause
their  respective  officers, directors and  affiliates  to,  file
within  30  days after the date hereof, and in all  events  shall
file  within 60 days after the date hereof, all required  initial
applications  and  documents  in connection  with  obtaining  the
Governmental   Approvals  (including  without  limitation   under
applicable  Rio Gaming Laws and Harrah's Gaming Laws)  and  shall
act   reasonably  and  promptly  thereafter  in   responding   to
additional  requests in connection therewith.  Rio  and  Harrah's
shall  have  the right to review in advance, and  to  the  extent
practicable, each will consult the other on, in each case subject
to  applicable laws relating to the exchange of information,  all
the  information relating to Rio or to Harrah's, as the case  may
be, and any of their respective Subsidiaries, directors, officers
and stockholders which appear in any filing made with, or written
materials  submitted  to,  any third party  or  any  Governmental
Entity  in connection with the transactions contemplated by  this
Agreement.   Without  limiting the foregoing,  each  of  Rio  and
Harrah's  (the "NOTIFYING PARTY") will notify the other  promptly
of the receipt of comments or requests from Governmental Entities
relating  to  Governmental Approvals, and will supply  the  other
party  with  copies of all correspondence between  the  Notifying
Party  or  any  of its representatives and Governmental  Entities
with  respect to Governmental Approvals; PROVIDED, HOWEVER,  that
it shall not be required to supply the other party with copies of
correspondence   relating   to  the  personal   applications   of
individual applicants except for evidence of filing.

      (b)  Rio and Harrah's shall promptly advise each other upon
receiving  any communication from any Governmental  Entity  whose
consent  or  approval  is  required  for  consummation   of   the
transactions  contemplated by this Agreement  which  causes  such
party  to believe that there is a reasonable likelihood that  any
approval  needed from a Governmental Entity will not be  obtained
or  that  the  receipt of any such approval  will  be  materially
delayed.   Rio  and  Harrah's shall  take  any  and  all  actions
reasonably  necessary to vigorously defend,  lift,  mitigate  and
rescind the effect of any litigation or administrative proceeding
adversely affecting this Agreement

                               45
<PAGE>

or  the  transactions contemplated hereby or thereby,  including,
without  limitation,  promptly appealing  any  adverse  court  or
administrative  order  or  injunction to  the  extent  reasonably
necessary for the foregoing purposes.

      (c)  Notwithstanding the foregoing or any  other  provision
of   this  Agreement,  Harrah's  shall  have  no  obligation   or
affirmative duty under this Section 5.8 to cease or refrain  from
the  ownership  of any assets or properties, or  the  association
with  any person or entity which association is material  to  the
operations of Harrah's, whether on the date hereof or at any time
in the future.

     SECTION  5.9.   PUBLICITY.  Harrah's and Rio shall agree  on
the  form and content of the initial press release regarding  the
transactions  contemplated hereby and  thereafter  shall  consult
with each other before issuing, and use all reasonable efforts to
agree  upon,  any  press release or other public  statement  with
respect to any of the transactions contemplated hereby and  shall
not  issue  any  such  press release  or  make  any  such  public
statement  prior to such consultation, except as may be  required
by law.

     SECTION 5.10.  INDEMNIFICATION.

      (a)  From  and  after the Effective Time,  Harrah's  agrees
that  it  will,  and  will  cause the Surviving  Corporation  to,
indemnify and hold harmless each present and former director  and
officer of Rio (the "INDEMNIFIED PARTIES"), against any costs  or
expenses  (including attorneys' fees), judgments, fines,  losses,
claims,  damages,  liabilities  or  amounts  paid  in  settlement
incurred  in connection with any claim, action, suit,  proceeding
or  investigation,  whether  civil, criminal,  administrative  or
investigative,  arising out of or pertaining to matters  existing
or  occurring at or prior to the Effective Time, whether asserted
or  claimed  prior  to, at or after the Effective  Time,  to  the
fullest  extent that Rio would have been permitted  under  Nevada
law  and its Articles of Incorporation or Bylaws in effect on the
date hereof to indemnify such Indemnified Party.

      (b)  For  a  period of six years after the Effective  Time,
Harrah's  shall maintain or shall cause the Surviving Corporation
to  maintain  in  effect  a  directors' and  officers'  liability
insurance policy covering those persons who are currently covered
by  Rio's  directors'  and officers' liability  insurance  policy
(copies  of  which  have  been heretofore  delivered  by  Rio  to
Harrah's) with coverage in amount and scope at least as favorable
as  Rio's  existing  coverage; PROVIDED that in  no  event  shall
Harrah's  or the Surviving Corporation be required to  expend  in
the  aggregate in excess of 200% of the annual premium  currently
paid  by Rio for such coverage; and if such premium would at  any
time  exceed  200%  of  the such amount,  then  Harrah's  or  the
Surviving  Corporation  shall maintain insurance  policies  which
provide  the  maximum and best coverage available  at  an  annual
premium equal to 200% of such amount.

      (c) The provisions of this Section 5.10 are intended to  be
an  addition  to  the rights otherwise available to  the  current
officers and directors of Rio by law, charter, statute, bylaw  or
agreement,  and shall operate for the benefit of,  and  shall  be
enforceable by, each of the Indemnified Parties, their heirs  and
their representatives.

                               46
<PAGE>

     SECTION 5.11.  EMPLOYEE BENEFITS.

      (a)  Harrah's shall cause the Surviving Corporation and its
Subsidiaries   to  honor  all  written  employment,   consulting,
severance and termination agreements (including change in control
provisions)  of  the  employees of Rio and its  Subsidiaries  set
forth  on  Schedule  3.14(b)(15) of the Rio Disclosure  Schedule.
Harrah's  acknowledges  that  consummation  of  the  transactions
contemplated  by  this  Agreement will  constitute  a  change  in
control (or change of control) of Rio (to the extent such concept
is  applicable) for the purpose of the Rio Stock Option Plans and
all  Employee Plans (as defined in Section 3.14(a)(iii)  (causing
all  outstanding options to become vested and exercisable and all
restrictions  on outstanding restricted shares to lapse  and  all
participants'   accounts  in  the  Supplemental  Retirement   and
Deferred Compensation Plan to become payable in a lump sum).

      (b)   For   purposes   of   determining   eligibility    to
participate, vesting and entitlement to benefits where length  of
service   is  relevant  under  any  employee  benefit   plan   or
arrangement of Harrah's or the Surviving Corporation, other  than
for purposes of benefit accrual under any Pension Plan, employees
of  Rio  and  its  Subsidiaries as of the  Effective  Time  shall
receive  service  credit for service with  Rio  and  any  of  its
Subsidiaries  to the same extent such service was  granted  under
the Employee Plans; PROVIDED, HOWEVER, that such service need not
be  credited  to the extent that it would result in a duplication
of benefits.

      (c)  Nothing  in this Agreement is intended to  create  any
right  of  employment for any person or to create any  obligation
for  Harrah's  or  the  Surviving  Corporation  to  continue  any
Employee  Plan  of Rio following the Effective  Time,  except  as
provided in Sections 2.3 and 5.11(a).

      (d)  Harrah's will, or will cause the Surviving Corporation
and  its  Subsidiaries  to,  (i)  waive  all  limitations  as  to
preexisting  conditions  exclusions  and  waiting  periods   with
respect to participation and coverage requirements applicable  to
the   Affected  Employees  under  any  Welfare  Plans  that  such
employees  may  be eligible to participate in after  the  Closing
Date,  other than limitations or waiting periods that are already
in  effect with respect to such employees and that have not  been
satisfied  as  of  the  Closing  Date  under  any  Welfare   Plan
maintained  for the Affected Employees immediately prior  to  the
Closing  Date,  and  (ii) use its best efforts  to  provide  each
Affected Employee with credit for any co-payments and deductibles
paid  prior  to  the  Closing Date in satisfying  any  applicable
deductible or out-of-pocket requirements under any welfare  plans
that  such  employees are eligible to participate  in  after  the
Closing Date.

      (e)  For  a  period of two years immediately following  the
Closing  Date,  the  employer provided  group  health,  life  and
disability  benefits and the benefits under a qualified  cash  or
deferred arrangement, within the meaning of Section 401(k) of the
Code, exclusive of any benefits provided only to executives or  a
select group of management employees, provided to individuals who
were  employees of Rio or its Subsidiaries immediately  prior  to
the Effective Time and who continue after the Closing Date to  be
employees  of Harrah's, the Surviving Corporation or any  of  its
subsidiaries  (the  "Affected Employees")  pursuant  to  employee
benefit  plans  or  arrangements  maintained  by  Harrah's,   the
Surviving  Corporation  and its subsidiaries  shall  be,  in  the
aggregate  for all plans combined and for all eligible  employees
combined, not materially less favorable for

                               47
<PAGE>

the  Affected  Employees  than those  provided  to  the  Affected
Employees immediately prior to the Closing Date.

     SECTION 5.12.  AFFILIATE AGREEMENTS.

      (a)  Upon the execution of this Agreement, Rio will deliver
to  Harrah's  a list identifying, to Rio's best knowledge,  those
persons  who  will  be,  at  the time of  the  Rio  Stockholders'
Meeting, "affiliates" of Rio within the meaning of Rule 145 (each
such  person who is an "affiliate" of Rio within the  meaning  of
Rule 145 is referred to as an "AFFILIATE") promulgated under  the
Securities  Act ("RULE 145"). Rio shall provide to Harrah's  such
information  and  documents as Harrah's shall reasonably  request
for  purposes of reviewing such list and shall notify  the  other
party  in  writing regarding any change in the  identity  of  its
Affiliates  prior  to  the  Closing  Date.   Rio  shall  use  all
reasonable  efforts  to  deliver or  cause  to  be  delivered  to
Harrah's  by  October  1, 1998 (and in  any  case  prior  to  the
Effective  Time)  from  each  of  its  Affiliates,  an   executed
affiliate agreement in substantially the form attached hereto  as
Exhibit B attached hereto (an "AFFILIATE AGREEMENT").

     SECTION  5.13.   POOLING ACCOUNTING.  The parties  will  use
their  reasonable best efforts to cause the Merger to be  treated
as    a   pooling   of   interests   for   accounting   purposes.
Notwithstanding  anything  to  the  contrary  in  this  Agreement
(including, without limitation, Sections 5.1 and 5.2  hereof  and
Schedule 5.1 of the Rio Disclosure Schedule and Schedule  5.2  of
the Harrah's Disclosure Schedule), from and after the date hereof
and  until the Effective Time, neither Rio nor Harrah's, nor  any
of  their  respective  Subsidiaries or  other  Affiliates,  shall
knowingly take any action, or knowingly fail to take any  action,
that  is  reasonably likely to jeopardize the  treatment  of  the
Merger  as  a pooling of interests for accounting purposes.   Rio
and  Harrah's shall each provide reasonable cooperation to Arthur
Andersen  LLP to enable it to issue the pooling letter referenced
in Section 6.3(f) hereof.

     SECTION 5.14.  TAX TREATMENT OF REORGANIZATION.

      (a)  The  parties  intend  the  Merger  to  qualify  as   a
reorganization under both Section 368(a)(1)(B) of  the  Code  and
Sections 368(a)(1)(A) and 368(a)(2)(E) of the Code and shall  use
their best efforts (and shall cause their respective Subsidiaries
to  use their best efforts) to cause  the Merger to  so  qualify.
Neither   Rio   nor   Harrah's,  nor  any  of  their   respective
Subsidiaries or other Affiliates, shall take any action, or  fail
to take any action, that is not specifically provided for by this
Agreement  that would or would be reasonably likely to  adversely
affect  the  treatment  of the Merger as a  reorganization  under
Section  368(a)  of the Code. Rio and Harrah's shall,  and  shall
cause their respective Subsidiaries to, take the position for all
purposes  that  the  Merger qualifies as a  reorganization  under
those Sections of the Code.

      (b)  Rio  and Harrah's shall cooperate and use  their  best
efforts  in  obtaining  the  opinions of  Skadden,  Arps,  Slate,
Meagher & Flom LLP, counsel to Rio, and Latham & Watkins, counsel
to Harrah's, dated as of the Closing Date, to the effect that the
Merger  will  qualify  for  federal  income  tax  purposes  as  a
reorganization within the meaning of Section 368(a) of the  Code.
In  connection  therewith, both Rio and Harrah's  (together  with
Merger Sub) shall deliver to Skadden, Arps, Slate, Meagher & Flom
LLP and Latham & Watkins representation letters,

                               48
<PAGE>

dated  and executed as of the Closing Date, in form and substance
substantially  identical to those attached hereto as  Exhibits  D
and E (the "Representation Letters").

      (c)  Rio  and Harrah's shall cooperate and use  their  best
efforts  to confirm that there is no Rio stockholder with respect
to whom any Tax, withholding, reporting or other obligation would
arise  under Sections 897 or 1445 (or related provisions) of  the
Code as a result of the Merger.

     SECTION 5.15.  FURTHER ASSURANCES AND ACTIONS.

      (a)  Subject  to the terms and conditions herein,  each  of
the  parties hereto agrees to use its reasonable best efforts  to
take, or cause to be taken, all appropriate action, and to do, or
cause to be done, all things necessary, proper or advisable under
applicable laws and regulations to consummate and make  effective
the  transactions  contemplated  by  this  Agreement,  including,
without  limitation, (i) using their respective  reasonable  best
efforts  to  obtain  all licenses, permits, consents,  approvals,
authorizations,   qualifications  and  orders   of   Governmental
Entities and parties to contracts with each party hereto  as  are
necessary  for  consummation of the transactions contemplated  by
this  Agreement,  and  (ii) to fulfill all  conditions  precedent
applicable to such party pursuant to this Agreement.

      (b)  In  case  at  any  time after the Effective  Date  any
further  action  is necessary to carry out the purposes  of  this
Agreement or to vest the Surviving Corporation with full title to
all properties, assets, rights, approvals, immunities, franchises
of  any  of the parties to the Merger, the proper officers and/or
directors  of  Harrah's, Rio and the Surviving Corporation  shall
take all such necessary action.

      (c)  Notwithstanding  anything  to  the  foregoing  to  the
contrary,  in  the  event that the Merger or  any  of  the  other
transactions contemplated by this Agreement will give rise to any
default  or  breach  under the terms of the Indentures  governing
Rio's 10 5/8% Senior Subordinated Notes due 2005 and 9 1/2% Senior
Subordinated Notes due 2007, the seeking of the waiver or consent
of  the  holders of such indebtedness to such default  or  breach
shall  be on terms and conditions determined by Harrah's  in  its
sole  and absolute discretion, which may include, subject to such
discretion, the repayment or repurchase of such indebtedness  and
the  amendment  of the terms of such indebtedness  which  remains
outstanding,  in each case on terms that are usual and  customary
for  similar transactions.  In the event that a consent or waiver
necessary  to  satisfy Section 6.3(e) shall not  be  received  on
terms  and conditions acceptable to Harrah's, then Harrah's shall
not   be  obligated  to  consummate  the  Merger  or  any   other
transaction  contemplated hereby; PROVIDED,  HOWEVER,  that  this
Section  5.15(c)  shall  not  apply  to  Section  4.08  of  Rio's
Indenture dated July 21, 1995 for the 10-5/8% Senior Subordinated
Notes  Due 2005,  Section 4.08 of Rio's Indenture dated  February
11, 1997 for the 9-1/2% Senior Subordinated Notes Due 2007.

     SECTION  5.16.  STOCK EXCHANGE LISTING.  Harrah's shall  use
its best efforts to list on the NYSE prior to the Effective Time,
subject  to  official  notice issuance, the  shares  of  Harrah's
Common Stock to be issued as Merger Consideration.

     SECTION  5.17.  LETTER OF RIO'S ACCOUNTANTS.  Rio shall  use
all  reasonable efforts to cause to be delivered  to  Harrah's  a
letter of Arthur Andersen LLP, Rio's independent auditors,  dated
a  date  within two business days before the date  on  which  the
Registration Statement shall become

                               49
<PAGE>

effective   and   addressed  to  Harrah's,  in  form   reasonably
satisfactory to Harrah's and customary in scope and substance for
letters delivered by independent public accountants in connection
with   registration  statements  similar  to   the   Registration
Statement.

     SECTION  5.18.   LETTER  OF HARRAH'S ACCOUNTANTS.   Harrah's
shall use all reasonable efforts to cause to be delivered to  Rio
a  letter  of Arthur Andersen LLP, Harrah's independent auditors,
dated  a  date within two business days before the date on  which
the  Registration Statement shall become effective and  addressed
to  Rio, in form reasonably satisfactory to Rio and customary  in
scope  and substance for letters delivered by independent  public
accountants in connection with registration statements similar to
the Registration Statement.

     SECTION  5.19.  APPOINTMENT OF HARRAH'S DIRECTOR.   Harrah's
agrees  promptly following the Effective Time to appoint or  take
such  actions as are necessary to nominate and seek the  election
of  Anthony Marnell II to Harrah's Board of Directors for a  term
expiring at the annual meeting of stockholders in the year 2000.

     SECTION 5.20.  TITLE INSURANCE.  Rio shall take, or cause to
be  taken, all such actions as shall be necessary for Harrah's to
obtain, at the Effective Time, the title insurance coverage which
is  described on Exhibit C attached hereto for each parcel of Rio
Real  Property (exclusive of Rio Leased Property under Rio  Space
Leases) (the "TITLE INSURANCE") to be issued by a title insurance
company or companies selected by Rio and reasonably acceptable to
Harrah's  (collectively,  the "TITLE  INSURER").    Such  actions
required  of Rio shall include, without limitation, the provision
of   such  documentation  and  other  information  as  shall   be
reasonably  requested by the Title Insurer and the execution  and
delivery  of  such  affidavits, indemnity  agreements  and  other
documents as shall be reasonably requested by the Title  Insurer.
Rio shall obtain from surveyors reasonably acceptable to Harrah's
all  surveys of the Rio Real Property necessary for the  issuance
of the Title Insurance at Rio's cost.

                           ARTICLE VI.
                                
                      CONDITIONS TO MERGER
                                
     SECTION  6.1.    CONDITIONS TO EACH  PARTY'S  OBLIGATION  TO
EFFECT  THE MERGER.  The respective obligations of each party  to
this  Agreement  to  effect the Merger shall be  subject  to  the
satisfaction or waiver by each party prior to the Effective  Time
of the following conditions:

      (a)  STOCKHOLDER APPROVAL.  This Agreement and  the  Merger
shall  have  been approved by the stockholders  of  Rio  and  the
stockholders of Harrah's in the manner required under the NRS and
the Articles of Incorporation of Rio and Harrah's, respectively.

      (b)  NO  INJUNCTIONS.  No Governmental  Entity  shall  have
enacted,  issued,  promulgated, enforced or  entered  any  order,
executive order, stay, decree, judgment or injunction or statute,
rule,  regulation which is in effect and which has the effect  of
making  the  Merger illegal or otherwise prohibiting consummation
of the Merger.

      (c)  GOVERNMENTAL  APPROVALS.  All  Governmental  Approvals
required to consummate the transactions contemplated hereby shall
have been obtained (including, without

                               50
<PAGE>

limitation,  under  the Rio Gaming Laws and the  Harrah's  Gaming
Laws),  all such approvals shall remain in full force and effect,
all  statutory  waiting  periods in respect  thereof  (including,
without limitation, under the HSR Act) shall have expired and  no
such  approval  shall  contain  any  conditions,  limitations  or
restrictions which will have or would reasonably be  expected  to
have a Rio Material Adverse Effect or a Harrah's Material Adverse
Effect.

      (d)  NYSE LISTING.  The Harrah's Common Stock to be  issued
to  holders  of  Rio Common Stock in connection with  the  Merger
shall have been approved for listing on the NYSE, subject only to
official notice of issuance.

      (e)  REGISTRATION  STATEMENT.  The  Registration  Statement
shall  have become effective under the Securities Act  and  shall
not be the subject of any stop order or proceeding seeking a stop
order.

     SECTION 6.2.   ADDITIONAL CONDITIONS TO OBLIGATIONS OF  RIO.
The  obligation  of Rio to effect the Merger is  subject  to  the
satisfaction  of each of the following conditions  prior  to  the
Effective Time, any of which may be waived in writing exclusively
by Rio:

      (a)  REPRESENTATIONS  AND WARRANTIES.  The  representations
and  warranties  of  Harrah's and Merger Sub set  forth  in  this
Agreement  shall  be  true and correct as of  the  date  of  this
Agreement and, except to the extent such representations speak as
of  an earlier date, as of the Closing Date as though made on and
as  of  the Closing Date, except for (i) changes contemplated  by
this  Agreement  and  (ii)  other than  for  representations  and
warranties  already  qualified as to materiality  or  a  Harrah's
Material Adverse Effect, inaccuracies which, individually  or  in
the  aggregate have not had and are not reasonably likely to have
a  Harrah's  Material Adverse Effect.  Rio shall have received  a
certificate  signed on behalf of Harrah's by the chief  executive
officer  and  the  chief financial officer of  Harrah's  to  such
effect.

      (b)  PERFORMANCE  OF  OBLIGATIONS  OF  HARRAH'S.   Harrah's
shall  have  performed in all material respects  all  obligations
required  to be performed by it under this Agreement at or  prior
to  the  Closing Date, and Rio shall have received a  certificate
signed  on behalf of Harrah's by the chief executive officer  and
the chief financial officer of Harrah's to such effect.

      (c)  TAX  OPINION REGARDING MERGER.  Skadden, Arps,  Slate,
Meagher & Flom LLP, counsel to Rio, shall have delivered  to  Rio
an  opinion,  dated as of the Closing Date, to the  effect  that,
based  upon representations, assumptions and conditions customary
for transactions such as the Merger (including the Representation
Letters),  that  the Merger will qualify for federal  income  tax
purposes as a reorganization within the meaning of Section 368(a)
of the Code.

      (d)  NO MATERIAL ADVERSE CHANGE.  Between the date of  this
Agreement and the Effective Date, there shall not have  been  any
event,  development, condition or state of affairs which resulted
in or is reasonably likely to result in a material adverse change
in  the  business, properties, financial condition or results  of
operations  of Harrah's and its Subsidiaries, taken as  a  whole,
other  than  changes,  if  any,  resulting  from  the  effect  of
economic  changes  which are applicable to  the  gaming  industry
generally or the gaming industry in markets in which Harrah's  or
its Subsidiaries conducts business.

                               51
<PAGE>

      (e)  THIRD-PARTY  CONSENTS.  Harrah's shall  have  received
all third-party consents and approvals required to be obtained by
Harrah's in connection with the transactions contemplated hereby,
under any contract to which Harrah's (or any of its Subsidiaries)
may  be  a  party,  except  for  such  third-party  consents  and
approvals  as to which the failure to obtain, either individually
or  in  the aggregate, would not reasonably be expected to result
in a Harrah's Material Adverse Effect.

     SECTION  6.3.    ADDITIONAL  CONDITIONS  TO  OBLIGATIONS  OF
HARRAH'S.   The obligations of Harrah's and Merger Sub to  effect
the  Merger  are  subject  to the satisfaction  of  each  of  the
following  conditions prior to the Effective Time, any  of  which
may be waived in writing exclusively by Harrah's:

      (a)  REPRESENTATIONS  AND WARRANTIES.  The  representations
and  warranties  of  Harrah's and Merger Sub set  forth  in  this
Agreement  shall  be  true and correct as of  the  date  of  this
Agreement and, except to the extent such representations speak as
of  an earlier date, as of the Closing Date as though made on and
as  of  the Closing Date, except for (i) changes contemplated  by
this  Agreement  and  (ii)  other than  for  representations  and
warranties already qualified as to materiality or a Rio  Material
Adverse  Effect,  inaccuracies  which,  individually  or  in  the
aggregate  have not had and are not reasonably likely to  have  a
Rio   Material  Adverse  Effect.   Rio  shall  have  received   a
certificate  signed on behalf of Harrah's by the chief  executive
officer  and  the  chief financial officer of  Harrah's  to  such
effect.

      (b)   PERFORMANCE  OF  OBLIGATIONS  OF  RIO   AND   CERTAIN
STOCKHOLDERS.  Rio shall have performed in all material  respects
all  obligations  required  to be  performed  by  it  under  this
Agreement at or prior to the Closing Date and Harrah's shall have
received  a  certificate signed on behalf of  Rio  by  the  chief
executive officer and the chief financial officer of Rio to  each
such  effect.  Each of the Rio stockholders that is a party to  a
Stockholder  Support  Agreement  shall  have  performed  in   all
material respects all obligations required to be performed by  it
under  the  Stockholder Support Agreements at  or  prior  to  the
Closing Date.

      (c)  NO MATERIAL ADVERSE CHANGE.  Between the date of  this
Agreement and the Effective Date, there shall not have  been  any
event,  development, condition or state of affairs which resulted
in or is reasonably likely to result in a material adverse change
in  the  business or properties, (including, without  limitation,
Rio's  development plans contemplated by the Phase  VI  Expansion
Plan  and  the development plans of the Phase VI Land), financial
condition  or  results of operations of Rio and its Subsidiaries,
taken as a whole, other than changes, if any, resulting from  the
effect  of  economic changes which are applicable to  the  gaming
industry   generally  or  the  Las  Vegas  gaming   industry   in
particular.

      (d)  TAX  OPINION  REGARDING  MERGER.   Latham  &  Watkins,
counsel to Harrah's, shall have delivered to Harrah's an opinion,
dated  as  of  the Closing Date, to the effect that,  based  upon
representations,   assumptions  and  conditions   customary   for
transactions  such  as the Merger (including  the  Representation
Letters),  that  the Merger will qualify for federal  income  tax
purposes as a reorganization within the meaning of Section 368(a)
of the Code.

      (e)  THIRD-PARTY  CONSENTS.  Rio shall  have  received  all
third-party consents and approvals required to be obtained by Rio
in connection with the transactions contemplated

                               52
<PAGE>

hereby,  under  any  contract  to  which  Rio  (or  any  of   its
Subsidiaries)  may  be  a  party,  except  for  such  third-party
consents and approvals as to which the failure to obtain,  either
individually  or  in  the  aggregate,  would  not  reasonably  be
expected to result in a Rio Material Adverse Effect.

      (f)  POOLING LETTER.  Harrah's shall have received a letter
from  Arthur  Andersen  LLP addressed to Harrah's  regarding  its
concurrence with the conclusions of management of Harrah's as  to
the  appropriateness of the pooling of interests accounting under
Accounting  Principles Board Opinion No. 16 for the  transactions
contemplated hereby.

                          ARTICLE VII.
                                
                    TERMINATION AND AMENDMENT
                                
     SECTION   7.1.     TERMINATION.   This  Agreement   may   be
terminated at any time prior to the Effective Time (with  respect
to  Sections  7.1(b)  through 7.1(h), by written  notice  by  the
terminating  party to the other party), whether before  or  after
approval  of the matters presented in connection with the  Merger
by the stockholders of Rio:

      (a) by mutual written consent of Rio and Harrah's; or

      (b)  by either Harrah's or Rio if the Merger shall not have
been  consummated by January 31, 1999 (PROVIDED that (i)  if  the
Merger  shall  not  have been consummated because  the  requisite
Governmental  Approvals required under Section 6.1(c)  shall  not
have  been obtained and are still being pursued, either  Harrah's
or  Rio may extend such date to May 31, 1999 by providing written
notice thereof to the other party on or prior to January 31, 1999
and  (ii)  the  right  to  terminate this  Agreement  under  this
Section  7.1(b) shall not be available to any party whose failure
to fulfill any obligation under this Agreement has been the cause
of or resulted in the failure of the Merger to occur on or before
such date); or

      (c)  by  either  Harrah's or Rio if a  court  of  competent
jurisdiction  or other Governmental Entity shall  have  issued  a
nonappealable  final order, decree or ruling or taken  any  other
nonappealable  final action, in each case having  the  effect  of
permanently  restraining, enjoining or otherwise prohibiting  the
Merger; or

      (d)  (i)  by  either  Harrah's  or  Rio,  if,  at  the  Rio
Stockholders'    Meeting   (including    any    adjournment    or
postponement), the requisite vote of the stockholders of  Rio  in
favor  of  the  approval and adoption of this Agreement  and  the
Merger  shall  not have been obtained; or (ii) by either  Rio  or
Harrah's,  if,  at the Harrah's Stockholders' Meeting  (including
any  adjournment  or  postponement), the requisite  vote  of  the
stockholders of Harrah's in favor of the approval and adoption of
this Agreement and the Merger shall not have been obtained; or

      (e)  (i)  by Harrah's, if for any reason Rio fails to  call
and  hold  the  Rio  Stockholders' Meeting by January  31,  1999;
PROVIDED,  that Harrah's right to terminate this Agreement  under
this  clause  (e)(i) shall not be available if at such  time  Rio
would  be  entitled  to  terminate this Agreement  under  Section
7.1(h); or (ii) by Rio, if for any reason Harrah's fails to  call
and  hold the Harrah's Stockholders' Meeting by January 31, 1999;
PROVIDED, that Rio's right to terminate this

                               53
<PAGE>

Agreement under this clause (e)(ii) shall not be available if  at
such time Harrah's would be entitled  to terminate this Agreement
under Section 7.1(h); or

      (f)  by  Rio, in accordance with Section 5.4(c);  PROVIDED,
HOWEVER,  that  no termination to this Section  7.1(f)  shall  be
deemed  effective  unless  Rio  shall  have  complied  with   all
provisions  contained  in Section 5.4(c),  including  the  notice
provision  therein,  and the applicable requirements  of  Section
7.3,  including  the payment of the termination fee  pursuant  to
Section 7.3(b)(iii); or

      (g)  by  Rio,  if Harrah's consolidates or merges  with  or
into, or sells all or substantially all of its assets directly or
through  the  sale of capital stock to any person, if  after  any
such  transaction, the stockholders of Harrah's immediately prior
to  such transaction do not own at least 50% of the voting  stock
of  the  surviving  or  acquiring entity immediately  after  such
transaction; or

      (h)  by Harrah's or Rio, if there has been a breach of  any
representation, warranty, covenant or agreement on  the  part  of
the  non-terminating  party set forth in  this  Agreement,  which
breach  will cause the conditions set forth in Section 6.2(a)  or
(b)  (in the case of termination by Rio) or 6.3(a) or (b) (in the
case of termination by Harrah's) not to be satisfied.

     SECTION  7.2.    EFFECT OF TERMINATION.   In  the  event  of
termination  of this Agreement as provided in Section  7.1,  this
Agreement  shall immediately become void and there  shall  be  no
liability  or obligation on the part of Harrah's, Merger  Sub  or
Rio,  or  their  respective officers, directors, stockholders  or
Affiliates,  except as set forth in Section 7.3 and  except  that
such  termination shall not limit liability for a willful  breach
of  this  Agreement; PROVIDED that the provisions of this Section
7.2,   Section  7.3  of  this Agreement and  the  Confidentiality
Agreements shall remain in full force and effect and survive  any
termination of this Agreement.

     SECTION 7.3.   FEES AND EXPENSES.

      (a)  Except as set forth in this Section 7.3, all fees  and
expenses  incurred  in  connection with this  Agreement  and  the
transactions  contemplated hereby shall  be  paid  by  the  party
incurring   such  expenses,  whether  or  not   the   Merger   is
consummated.

      (b)  Rio  shall  pay Harrah's a termination  fee  of  $22.5
million  via wire transfer of same-day funds on the date  of  the
earliest to occur of the following events:

           (i)  the termination of this Agreement by Harrah's  or
Rio  pursuant  to  Section 7.1(d)(i), if an Acquisition  Proposal
involving  Rio shall have been publicly announced  prior  to  the
Stockholders' Meeting and either an Acquisition Agreement  for  a
Rio Alternative Transaction is entered into, or a Rio Alternative
Transaction  is  consummated,  within  twelve  months   of   such
termination;

           (ii)  the termination  of this Agreement  by  Harrah's
pursuant to Section 7.1(e)(i);

           (iii)    the  termination  of this  Agreement  by  Rio
pursuant to Section 7.1(f); or

                               54
<PAGE>

           (iv)  the termination of this  Agreement  by  Harrah's
pursuant  to  Section 7.1(h); PROVIDED that if  such  termination
occurs  solely on account of Rio's breach of a representation  or
warranty  (and  Rio  has  not  otherwise  breached  any  material
covenant  or  agreement,  in which case this  proviso  shall  not
apply),  such  termination  fee  shall  be  payable  only  if  an
Acquisition  Proposal  involving Rio  shall  have  been  publicly
announced  prior  to such termination and either  an  Acquisition
Agreement for a Rio Alternative Transaction is entered into, or a
Rio  Alternative Transaction is consummated, within twelve months
of such termination.

      Rio's  payment  of  a  termination  fee  pursuant  to  this
subsection  shall  be the sole and exclusive remedy  of  Harrah's
against  Rio  and  any of its Subsidiaries and  their  respective
directors,  officers,  employees,  agents,  advisors   or   other
representatives with respect to the occurrences  giving  rise  to
such  payment; PROVIDED that this limitation shall not  apply  in
the event of a willful breach of this Agreement by Rio.

      (c)  Harrah's  shall  pay Rio a termination  fee  of  $22.5
million  via wire transfer of same-day funds on the date  of  the
earliest to occur of the following events:

           (i)  the termination of this Agreement by Harrah's  or
Rio  pursuant  to Section 7.1(d)(ii), if an Acquisition  Proposal
involving  Harrah's shall have been publicly announced  prior  to
the Stockholders' Meeting and either an Acquisition Agreement for
a Harrah's Alternative Transaction is entered into, or a Harrah's
Alternative Transaction is consummated, within twelve  months  of
such termination;

           (ii)  the termination of this Agreement by Rio pursuant
to Section 7.1(e)(ii); or

           (iii)    the  termination  of this  Agreement  by  Rio
pursuant  to  Section 7.1(h); PROVIDED that if  such  termination
occurs  solely  on account of Harrah's breach of a representation
or warranty (and Harrah's has not otherwise breached any material
covenant  or  agreement,  in which case this  proviso  shall  not
apply),  such  termination  fee  shall  be  payable  only  if  an
Acquisition Proposal involving Harrah's shall have been  publicly
announced  prior  to such termination and either  an  Acquisition
Agreement for a Harrah's Alternative Transaction is entered into,
or  an  Alternative  Transaction is  consummated,  within  twelve
months of such termination.

          Harrah's payment of a termination fee pursuant to  this
subsection shall be the sole and exclusive remedy of Rio  against
Harrah's  and  any  of  its  Subsidiaries  and  their  respective
directors,  officers,  employees,  agents,  advisors   or   other
representatives with respect to the occurrences  giving  rise  to
such  payment; PROVIDED that this limitation shall not  apply  in
the event of a willful breach of this Agreement by Harrah's.

      (d)  Harrah's  shall pay River a termination fee  of  $10.0
million  via  wire transfer of same-day funds  on  the  date  the
Merger Agreement is terminated pursuant to Section 7.1(b) if,  at
the  time of such termination, the condition set forth in Section
6.3(f) has not been satisfied or waived by Harrah's.

      (e)   As   used   in   this  Agreement,  "RIO   ALTERNATIVE
TRANSACTION" means (i) a transaction pursuant to which any  Third
Party  acquires more than 50% of the outstanding  shares  of  Rio
Common  Stock   pursuant to a tender offer or exchange  offer  or
otherwise, (ii) a merger or

                               55
<PAGE>

other  business combination involving Rio pursuant to  which  any
Third Party (or the stockholders of a Third Party) acquires  more
than  50%  of the outstanding shares of Rio Common Stock  or  the
entity   surviving  such  merger  or  business  combination,   or
(iii)  any  other transaction pursuant to which any  Third  Party
acquires  control  of  assets (including  for  this  purpose  the
outstanding  equity securities of Subsidiaries of  Rio,  and  the
entity surviving any merger or business combination including any
of them) of Rio having a fair market value (as determined in good
faith by the Board of Directors of Rio) equal to more than 50% of
the  fair  market  value  of  all  the  assets  of  Rio  and  its
Subsidiaries,  taken  as  a  whole,  immediately  prior  to  such
transaction.

      (f)  As  used  in  this  Agreement,  "HARRAH'S  ALTERNATIVE
TRANSACTION" means (i) a transaction pursuant to which any  Third
Party  acquires  more  than  50% of  the  outstanding  shares  of
Harrah's  Common  Stock  pursuant to a tender offer  or  exchange
offer  or  otherwise, (ii) a merger or other business combination
involving  Harrah's  pursuant to which any Third  Party  (or  the
stockholders  of  a Third Party) acquires more than  50%  of  the
outstanding  shares  of  Harrah's  Common  Stock  or  the  entity
surviving such merger or business combination, or (iii) any other
transaction pursuant to which any Third Party acquires control of
assets   (including  for  this  purpose  the  outstanding  equity
securities of Subsidiaries of Harrah's, and the entity  surviving
any  merger  or business combination including any  of  them)  of
Harrah's having a fair market value (as determined in good  faith
by  the Board of Directors of Harrah's) equal to more than 50% of
the  fair  market  value of all the assets of  Harrah's  and  its
Subsidiaries,  taken  as  a  whole,  immediately  prior  to  such
transaction.

      (g)  The  fees payable pursuant to Section 7.3(b) shall  be
paid concurrently with the first to occur of the events described
in  Section 7.3(b)(i), (ii), (iii) or (iv), and the fees  payable
pursuant  to Section 7.3(c) shall be paid concurrently  with  the
first  to  occur  of the events described in Sections  7.3(c)(i),
(ii) or (iii).

     SECTION 7.4.   AMENDMENT.  This Agreement may be amended  by
the  parties  hereto,  by  action taken or  authorized  by  their
respective  Boards  of  Directors, at any time  before  or  after
approval  of the matters presented in connection with the  Merger
by  the  stockholders of Rio, but, after any  such  approval,  no
amendment shall be made which by law requires further approval by
such  stockholders without such further approval.  This Agreement
may  not be amended except by an instrument in writing signed  on
behalf of each of the parties hereto.

     SECTION 7.5.   EXTENSION; WAIVER.  At any time prior to  the
Effective Time, the parties hereto, by action taken or authorized
by  their  respective Boards of Directors,  may,  to  the  extent
legally allowed (i) extend the time for the performance of any of
the  obligations  or  other  acts of the  other  parties  hereto,
(ii) waive any inaccuracies in the representations and warranties
contained herein or in any document delivered pursuant hereto and
(iii)  waive compliance with any of the agreements or  conditions
contained  here.  Any agreement on the part of a party hereto  to
any such extension or waiver shall be valid only if set forth  in
a written instrument signed on behalf of such party.

                               56
<PAGE>

                          ARTICLE VIII.
                                
                          MISCELLANEOUS
                                
     SECTION  8.1.   NONSURVIVAL OF REPRESENTATIONS,  WARRANTIES,
COVENANTS   AND   AGREEMENTS.   None  of   the   representations,
warranties, covenants and agreements in this Agreement or in  any
instrument delivered pursuant to this Agreement shall survive the
Effective  Time, except for the agreements contained in  Sections
1.4,  1.5,  1.6, 2.1, 2.2, 2.3, 5.10, and 5.11 and Article  VIII.
The  Confidentiality Agreements shall survive the  execution  and
delivery of this Agreement.

     SECTION    8.2.     NOTICES.    All   notices   and    other
communications hereunder shall be in writing and shall be  deemed
given if delivered personally, telecopied (which is confirmed) or
mailed by registered or certified mail (return receipt requested)
to  the  parties  at the following addresses (or  at  such  other
address for a party as shall be specified by like notice):

      (a) if to Rio, to

                    Rio Hotel & Casino, Inc.
                    3700 West Flamingo Road
                    Las Vegas, Nevada  89103
                    Attn:  James A. Barrett, Jr.
                    Telecopy:  (702) 252-7633
                    
                    with a copy to
                    Rio's Counsel
                    
                    Kummer, Kaempfer, Bonner & Renshaw
                    3800 Howard Hughes Parkway
                    7th Floor
                    Las Vegas, NV  89109
                    Attn:  Michael J. Bonner, Esq.
                    Telecopy: (702) 796-7181
                    
                    Skadden, Arps, Slate, Meagher & Flom LLP
                    919 Third Avenue
                    New York, New York  10022
                    Attn:  Morris J. Kramer, Esq.
                    Telecopy:  (212 735-2000
                    
      (b) if to Harrah's or Merger Sub, to

                    Harrah's Entertainment, Inc.
                    1023 Cherry Road
                    Memphis, Tennessee 38117
                    Attn: Colin V. Reed
                    Telecopy: (901) 762-8804
                    
                               57
<PAGE>

                    with a copy to:

                    Latham & Watkins
                    633 West Fifth Street, Suite 4000
                    Los Angeles, California  90071-2007
                    Attn:  Edward Sonnenschein, Jr., Esq.
                    Telecopy: (213) 891-8763
                    
     SECTION 8.3.   INTERPRETATION.  When a reference is made  in
this  Agreement to Sections, such reference shall be to a Section
of  this  Agreement  unless otherwise indicated.   The  table  of
contents  and  headings  contained  in  this  Agreement  are  for
reference  purposes  only and shall not affect  in  any  way  the
meaning or interpretation of this Agreement.  Whenever the  words
"include,"  "includes" or "including" are used in this  Agreement
they  shall  be  deemed  to be followed  by  the  words  "without
limitation." The phrase "made available" in this Agreement  shall
mean that the information referred to has been made available  if
requested  by the party to whom such information is  to  be  made
available.  The phrases "the date of this Agreement",  "the  date
hereof,"  and  terms  of  similar  import,  unless  the   context
otherwise requires, shall be deemed to refer to August 9, 1998.

     SECTION 8.4.   COUNTERPARTS.  This Agreement may be executed
in two or more counterparts, all of which shall be considered one
and  the  same agreement and shall become effective when  two  or
more  counterparts have been signed by each of  the  parties  and
delivered  to  the  other parties, it being understood  that  all
parties need not sign the same counterpart.

     SECTION   8.5.     ENTIRE   AGREEMENT;   NO   THIRD    PARTY
BENEFICIARIES.  This Agreement and all documents and  instruments
referred  to  herein  (a)  constitute the  entire  agreement  and
supersedes all prior agreements and understandings, both  written
and  oral,  among the parties with respect to the subject  matter
hereof,  and  (b)  except as provided in Section  5.10,  are  not
intended to confer upon any person other than the parties  hereto
any   rights   or   remedies   hereunder;   PROVIDED   that   the
Confidentiality Agreements shall remain in full force and  effect
until  the Effective Time.  Each party hereto agrees that, except
for   the  representations  and  warranties  contained  in   this
Agreement,  none of Harrah's, Merger Sub or Rio makes  any  other
representations  or  warranties, and each  hereby  disclaims  any
other representations and warranties made by itself or any of its
officers,  directors,  employees,  agents,  financial  and  legal
advisors  or other representatives, with respect to the execution
and  delivery  of this Agreement or the transactions contemplated
hereby, notwithstanding the delivery or disclosure to any of them
or their respective representatives of any documentation or other
information with respect to any one or more of the foregoing.

     SECTION  8.6.    GOVERNING  LAW.  This  Agreement  shall  be
governed  and construed in accordance with the laws of the  State
of Nevada without regard to any applicable conflicts of law.

     SECTION  8.7.   ASSIGNMENT.  Neither this Agreement nor  any
of  the  rights,  interests  or obligations  hereunder  shall  be
assigned  by  any of the parties hereto (whether by operation  of
law  or otherwise) without the prior written consent of the other
parties,  except  that  Merger Sub  may  assign  its  rights  and
obligations  hereunder  to  any direct or  indirect  wholly-owned
subsidiary  of  Harrah's; PROVIDED that no such assignment  shall
relieve  Harrah's of its obligations hereunder.  Subject  to  the
preceding sentence, this Agreement will be binding upon, inure to
the  benefit  of  and  be enforceable by the  parties  and  their
respective successors and assigns.

                               58
<PAGE>

     SECTION  8.8.    SEVERABILITY; ENFORCEMENT.  Except  to  the
extent  that  the  application  of  this  Section  8.8  would  be
reasonably likely to have a Harrah's Material Adverse Effect with
respect to Harrah's or a Rio Material Adverse Effect with respect
to Rio, the invalidity of any portion hereof shall not affect the
validity,  force or effect of the remaining portions hereof.   If
it  is  ever  held that any covenant hereunder is  too  broad  to
permit  enforcement of such covenant to its fullest extent,  each
party  agrees that a court of competent jurisdiction may  enforce
such  covenant to the maximum extent permitted by law,  and  each
party  hereby  consents  and  agrees  that  such  scope  may   be
judicially  modified  accordingly in any  proceeding  brought  to
enforce such covenant.

     SECTION  8.9.    SPECIFIC PERFORMANCE.  The  parties  hereto
agree  that  the  remedy at law for any breach of this  Agreement
will  be inadequate and that any party by whom this Agreement  is
enforceable shall be entitled to specific performance in addition
to  any  other appropriate relief or remedy.  Such party may,  in
its  sole  discretion, apply to a court of competent jurisdiction
for  specific performance or injunctive or such other  relief  as
such  court  may  deem just and proper in order to  enforce  this
Agreement  or  prevent any violation hereof and,  to  the  extent
permitted  by  applicable  laws, each  party  hereto  waives  any
objection to the imposition of such relief.

                               59
<PAGE>

           IN  WITNESS WHEREOF, Harrah's, Merger Sub and Rio have
caused  this  Agreement  to be signed by  their  respective  duly
authorized officers as of the date first written above.


                                HARRAH'S ENTERTAINMENT, INC.
                                
                                
                                By:  /S/ Colin V. Reed
                                Its: Executive Vice President and
                                      Chief Financial Officer
                                
                                
                                
                                HEI ACQUISITION CORP. III
                                
                                
                                By:  /S/ Colin V. Reed
                                Its: Executive Vice President
                                
                                
                                
                                RIO HOTEL & CASINO, INC.
                                
                                
                                By:  /S/ James A. Barrett, Jr.
                                Its: President

<PAGE>

                            EXHIBIT A
              FORM OF STOCKHOLDER SUPPORT AGREEMENT
                                
     STOCKHOLDER  SUPPORT AGREEMENT, dated as of August  9,  1998
(this "AGREEMENT"), by _______________ ("STOCKHOLDER") to and for
the   benefit  of  Harrah's  Entertainment,  Inc.,   a   Delaware
corporation  ("HARRAH'S").   Capitalized  terms  used   and   not
otherwise  defined  herein  shall have  the  respective  meanings
assigned to them in the Merger Agreement referred to below.

     WHEREAS,  as of the date hereof, Stockholder owns of  record
and  beneficially ________ shares (such shares, together with any
other voting or equity securities of Rio Hotel & Casino, Inc.,  a
Nevada  corporation  ("RIO"), hereafter acquired  by  Stockholder
prior  to  the termination of this Agreement, being  referred  to
herein  collectively as the "SHARES") of common stock, par  value
$0.01 per share ("RIO COMMON STOCK");

     WHEREAS,  concurrently with the execution of this Agreement,
Harrah's,  HEI  Acquisition Corp. III, a Nevada  corporation  and
indirect wholly-owned subsidiary of Harrah's ("MERGER SUB"),  and
Rio  are entering into an Agreement and Plan of Merger, dated  as
of  the  date hereof (the "MERGER AGREEMENT"), pursuant to which,
upon the terms and subject to the conditions thereof, Merger  Sub
will  be  merged with and into Rio such that Rio will  become  an
indirect wholly-owned subsidiary of Harrah's (the "MERGER"); and

     WHEREAS,  as a condition to the willingness of Rio, Harrah's
and  Merger Sub to enter into the Merger Agreement, Harrah's  has
requested the Stockholder agree, and in order to induce  Harrah's
and   Merger  Sub  to  enter  into  the  Merger  Agreement,   the
Stockholder is willing to agree to vote in favor of adopting  the
Merger  Agreement and approving the Merger, upon  the  terms  and
subject to the conditions set forth herein.

     NOW,  THEREFORE, in consideration of the foregoing  and  the
mutual  covenants and agreements contained herein, and  intending
to  be  legally bound hereby, the parties hereby agree, severally
and not jointly, as follows:

     Section  1.     VOTING OF SHARES.  Until the termination  of
this  Agreement in accordance with the terms hereof,  Stockholder
hereby  agrees that, at the Rio Stockholders' Meeting (as defined
in the Merger Agreement) or any other meeting of the stockholders
of  Rio, however called, and in any action by written consent  of
the  stockholders of Rio, Stockholder will vote all of his or her
respective  Shares  (a)  in  favor  of  adoption  of  the  Merger
Agreement  and approval of the Merger and the other  transactions
contemplated  by the Merger Agreement, and (b) in  favor  of  any
other  matter  necessary to the consummation of the  transactions
contemplated  by  the Merger Agreement and considered  and  voted
upon  by  the  stockholders of Rio (or any  class  thereof).   In
addition,  Stockholder  agrees that  it  will,  upon  request  by
Harrah's,  furnish  written confirmation, in form  and  substance
reasonably acceptable to Harrah's, of such Stockholder's vote  in
favor  of  the  Merger  Agreement and  the  Merger.   Stockholder
acknowledges  receipt  and  review  of  a  copy  of  the   Merger
Agreement.

<PAGE>

     Section  2.      TRANSFER OF SHARES.  Stockholder represents
and  warrants that it has no present intention of taking  action,
prior to the termination of this Agreement in accordance with the
terms  hereof,  to,  directly or indirectly,  (a)  sell,  assign,
transfer   (including   by   merger,  testamentary   disposition,
interspousal   disposition  pursuant  to  a  domestic   relations
proceeding or otherwise by operation of law), pledge, encumber or
otherwise  dispose of any of the Shares, (b) deposit any  of  the
Shares  into  a voting trust or enter into a voting agreement  or
arrangement  with  respect to the Shares or grant  any  proxy  or
power of attorney with respect thereto which is inconsistent with
this  Agreement or (c) enter into any contract, option  or  other
arrangement or undertaking with respect to the direct or indirect
sale,  assignment,  transfer (including by  merger,  testamentary
disposition,  interspousal disposition  pursuant  to  a  domestic
relations proceeding or otherwise by operation of law)  or  other
disposition of any Shares.

     Section    3.       REPRESENTATIONS   AND   WARRANTIES    OF
STOCKHOLDER.   Stockholder  hereby  represents  and  warrants  to
Harrah's  with  respect  to himself or herself  and  his  or  her
ownership of the Shares as follows:

               (a)  OWNERSHIP OF SHARES.  On the date hereof, the
Shares  are  owned  of  record and beneficially  by  Stockholder.
Stockholder  has  sole voting power, without  restrictions,  with
respect to all of the Shares.

               (b)   POWER,  BINDING AGREEMENT.  Stockholder  has
the legal capacity, power and authority to enter into and perform
all  of  his  or  her  obligations  under  this  Agreement.   The
execution,   delivery  and  performance  of  this  Agreement   by
Stockholder  will  not  violate  any  other  agreement  to  which
Stockholder is a party, including, without limitation, any voting
agreement,  stockholders'  agreement,  partnership  agreement  or
voting  trust.  This Agreement has been duly and validly executed
and  delivered by Stockholder and constitutes a valid and binding
obligation  of  Stockholder, enforceable against  Stockholder  in
accordance  with  its  terms, subject to  applicable  bankruptcy,
insolvency, fraudulent conveyance, reorganization, moratorium and
similar  laws affecting creditors' rights and remedies  generally
and  subject,  as  to  enforceability, to general  principles  of
equity  (regardless  of  whether  enforcement  is  sought  in   a
proceeding at law or in equity).

               (c)  NO CONFLICTS.  The execution and delivery  of
this  Agreement do not, and the consummation of the  transactions
contemplated  hereby will not, conflict with  or  result  in  any
violation  of,  or default (with or without notice  or  lapse  of
time,  or  both)  under, or give rise to a right of  termination,
cancellation or acceleration of any obligation or to  loss  of  a
material  benefit  under, any provision of  any  loan  or  credit
agreement,  note,  bond,  mortgage, indenture,  lease,  or  other
agreement,  instrument, permit, concession,  franchise,  license,
judgment,  order,  decree,  statute,  law,  ordinance,  rule   or
regulation  applicable  to Stockholder  or  any  of  his  or  her
properties  or  assets, other than such conflicts, violations  or
defaults  or  terminations, cancellations or accelerations  which
individually  or  in the aggregate do not materially  impair  the
ability   of  Stockholder  to  perform  his  or  her  obligations
hereunder.   Subject  to Rio Gaming Laws, no  consent,  approval,
order  or  authorization  of,  or registration,  declaration,  or
filing  with,  any  governmental entity is required  by  or  with
respect  to  the  execution and delivery  of  this  Agreement  by
Stockholder   and   the  consummation  by  Stockholder   of   the
transactions contemplated hereby.

                               A-2
<PAGE>

     Section 4.     NO SOLICITATION.  Prior to the termination of
this  Agreement in accordance with its terms, Stockholder  agrees
that  (i)  in his or her individual capacity he or she will  not,
nor  will  he  or  she authorize or permit  any  of  his  or  her
employees, agents and representatives to, directly or indirectly,
(a) initiate, solicit or encourage any inquiries or the making of
any  Acquisition  Proposal (as defined in the Merger  Agreement),
(b)  enter  into  any agreement with respect to  any  Acquisition
Proposal,  or  (c) participate in any discussions or negotiations
regarding, or furnish to any person any information with  respect
to,  or take any other action to facilitate any inquiries or  the
making  of  any  proposal that constitutes, or may reasonably  be
expected to lead to, any Acquisition Proposal, and (ii) he or she
will notify Harrah's as soon as possible if any such inquiries or
proposals  are  received  by,  any information  or  documents  is
requested from, or any negotiations or discussions are sought  to
be  initiated or continued with, him or her or any of his or  her
affiliates in his or her individual capacity.

     Section  5.     TERMINATION.  This Agreement shall terminate
upon  the  earliest to occur of (i) the Effective Time  (as  such
term  is defined in the Merger Agreement) or (ii) any termination
of  the  Merger  Agreement in accordance with the terms  thereof;
PROVIDED  that  the  provisions of  Sections  6  and  8  of  this
Agreement  shall survive any termination of this  Agreement;  and
PROVIDED FURTHER that no such termination shall relieve any party
of liability for a breach hereof prior to termination.

     Section  6.      SPECIFIC PERFORMANCE.  The  parties  hereto
agree  that  irreparable  damage would occur  in  the  event  any
provision of this Agreement was not performed in accordance  with
the  terms  hereof  and  that the parties shall  be  entitled  to
specific  performance of the terms hereof,  in  addition  to  any
other remedy at law or in equity.

     Section  7.     FIDUCIARY DUTIES.  Notwithstanding  anything
in  this  Agreement to the contrary, the covenants and agreements
set  forth  herein shall not prevent Stockholder from serving  on
Rio's  Board  of  Directors and from taking  or  not  taking  any
action,  subject  to  the  applicable provisions  of  the  Merger
Agreement, while acting in such capacity as a director of Rio.

     Section 8.     MISCELLANEOUS.

               (a)    This   Agreement  constitutes  the   entire
agreement between the parties hereto with respect to the  subject
matter   hereof   and   supersedes  all  prior   agreements   and
understandings, both written and oral, between the  parties  with
respect thereto.  This Agreement may not be amended, modified  or
rescinded  except by an instrument in writing signed by  each  of
the parties hereto.

               (b)   If  any  term  or other  provision  of  this
Agreement  is invalid, illegal or incapable of being enforced  by
any  rule  of  law,  or public policy, all other  conditions  and
provisions  of this Agreement shall nevertheless remain  in  full
force and effect.  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 to the fullest extent permitted by applicable
law  in  a mutually acceptable manner in order that the terms  of
this  Agreement remain as originally contemplated to the  fullest
extent possible.

                               A-3
<PAGE>

               (c)   This  Agreement  shall be  governed  by  and
construed  in  accordance with the laws of the  State  of  Nevada
without regard to the principles of conflicts of law thereof.

               (d)    This   Agreement   may   be   executed   in
counterparts, each of which shall be deemed an original  and  all
of which together shall constitute one and the same instrument.

                               A-4
<PAGE>

     IN  WITNESS  WHEREOF, each of the parties hereto has  caused
this  Agreement to be signed by their respective duly  authorized
officers as of the date first written above.

                                STOCKHOLDER
                                
                                
                                
                                
Agreed and Acknowledged:

HARRAH'S ENTERTAINMENT, INC.


By:
Its:




HARRAH'S TO MERGE WITH RIO


- -  BRINGS TOGETHER INDUSTRY LEADING CASINO CUSTOMER DATABASE AND
RELATIONSHIP BUILDING ORGANIZATION WITH PREMIER LAS VEGAS RESORT
CASINO HOTEL -

- - ACCRETIVE TO EARNINGS -

- - COSTS SAVINGS EXPECTED -

- - REVENUE SYNERGIES POTENTIALLY HIGH -



MEMPHIS, Tenn. and  LAS VEGAS, Aug. 10 -- Harrah's  Entertainment,
Inc. (NYSE:HET) and Rio Hotel  and  Casino, Inc. (NYSE:RHC)  today
announced the signing of a definitive merger  agreement.  Harrah's
will acquire all Rio shares in a  one-for-one  stock   transaction
valued at $518 million based on Harrah's  closing price of $20 1/8
on Friday, August 7, 1998. Harrah's  will also  assume Rio's debt.
The Boards of Directors of both Harrah's and Rio have approved the
transaction.

Management expects the transaction to be accretive to earnings  in
the  first  year.  Based on an average of analyst  estimates,  the
combined  company  will have 1999 revenues of  approximately  $2.9
billion, and approximately $740 million of EBITDA. The transaction
is  expected  to be tax free to Rio shareholders, and  it  is  the
intent  of the parties that it be accounted for under the pooling-
of-interests  method. Anthony A. Marnell II,  chairman  and  chief
executive  officer of Rio, will become vice chairman  of  Harrah's
and  a member of Harrah's Board of Directors. Along with James  A.
Barrett,  Jr.,  president  of  Rio,  Marnell  will  continue   his
executive  responsibilities at the Rio. The Rio hotel  and  casino
will  operate as a separate subsidiary of Harrah's and no  changes
are expected to its operation.

Philip  G. Satre, chairman, president and chief executive  officer
of  Harrah's, stated, "The combination of Harrah's and  Rio  is  a
natural  match  of  two companies who share  a  common  vision  of
leadership and common cultures of providing the highest levels  of
customer  service. This alignment provides a platform on which  we
will  be  able  to  exploit  unique strategic  opportunities  that
benefit   our   shareholders,  customers   and   employees.   This
combination is a perfect fit. Our visions are completely aligned.

"Rio  is a Las Vegas destination gem, and by all measures, one  of
the  highest  quality and best managed companies in our  business.
Utilizing   Harrah's  strong  database  management  and  marketing
expertise,  we  see  an  unprecedented  opportunity  to  introduce
Harrah's  loyal customers to the Rio's resort-style  property,  as
well  as  introduce  Rio customers to Harrah's Entertainment's  19
properties.  Rio  will add 1.3 million additional  customers  into
Harrah's existing 8 million-customer database. We fully expect  to
see   significant  revenue  and  growth  opportunities  from   the
integration  of our proprietary customer recognition  and  rewards
program, Total Gold, within the Rio customer network," he said.

"Most  important,  Rio has many loyal customers  and  one  of  the
strongest  management teams in the business. We welcome them  both
to  the  Harrah's  family.  We  look  forward  to  Tony  Marnell's
involvement as vice chairman and a member of the Harrah's Board of
Directors and his team's continued management of the Rio."

Marnell   stated,  "The  joining  of  Harrah's  and  Rio   creates
tremendous  value  and  opportunity for customers,  employees  and
shareholders of both companies. With Harrah's, we see the  ability
to   accelerate  the  Rio's  demand  driven  growth  plans   while
maintaining  the high standards of quality service and  value  for
which  we  have become known. Harrah's has an incredible  customer
recognition system, which will be a significant advantage for  the
Rio. We're excited about working with the Harrah's team, which  we
have always admired. Harrah's is a first class company."

Colin  V.  Reed,  executive  vice president  and  chief  financial
officer  of  Harrah's,  said, "We are excited  about  the  revenue
synergies  afforded to Harrah's by this transaction,  particularly
the  addition  of  the  Rio brand with its strong  consumer  image
appealing to a complementary demographic segment. More than 50% of
Rio's  customers  are from Las Vegas and the Los Angeles  markets.
Harrah's  customers tend to come from the East Coast, Midwest  and
Northern   California.  In  addition,  we  believe  there   is   a
significant  opportunity  to  expand Rio's  cross-market  play  by
capturing revenues from Harrah's customers not already playing  at
Harrah's  Las  Vegas property. We see a lot of  new  and  exciting
elements  at  Rio that will contribute to our growth  including  a
state-of-the-art  convention  center,  Palazzo  Suites,  concierge
floors  and  35-plus  acres for future expansion  when  Las  Vegas
demand  warrants. Furthermore, there is the opportunity to  expand
Rio into other markets as conditions in the future warrant.

"While we recognize the importance of preserving the uniqueness of
the  Rio property, this transaction also provides for a number  of
significant  operating  efficiencies in addition  to  the  revenue
synergy  opportunities," Reed continued. "On  the  cost  side,  we
expect  to  eliminate redundant corporate overhead, equipment  and
systems, insurance and other expenses. Further, our lower cost  of
capital  can  provide  significant  financial  synergies  to  this
combination.  We  are  excited about the future  growth  prospects
afforded  our  combined company by this deal and look  forward  to
working with the Rio management team in integrating the Rio casino
into the Harrah's network."

The  transaction  is expected to be completed  by  year-end  1998,
subject to various conditions including regulatory approvals,  Rio
and   Harrah's  shareholder  approvals  and  other   third   party
approvals.  As part of this transaction, Marnell and Barrett  have
committed  to  vote  their shares representing  approximately  22%
ownership  of  Rio  in  favor  of  this  transaction.   Each   Rio
shareholder  will  receive one share of Harrah's  stock  for  each
share they own.

BT  Wolfensohn  acted  as financial advisor to  Harrah's  for  the
transaction.  Merrill  Lynch & Co. acted as financial  advisor  to
Rio.

Rio,  through  its wholly-owned subsidiary, owns and operates  the
Rio  Suite  Hotel & Casino. The Rio presently has more than  2,500
suites   and  120,000  square  feet  of  gaming  space   featuring
approximately 2,400 slot machines and 100 table games in  addition
to  an  18-hole, championship golf course. Since its  founding  in
1990,  Rio  has  maintained a strategy of providing excellence  in
service,  value  to  customers,  world-class  accommodations   and
culinary  excellence to the Las Vegas market. Recognized  for  its
commitment  to  excellence, Rio has won numerous  industry  awards
including "Best Value in the World," by Travel & Leisure Magazine,
"Best  Overall  Hotel"  in  Las Vegas,  by  Zagat's,  as  well  as
providing  the  city's  "Best  Service,"  "Best  Food"  and  "Best
Accommodations." Rio is the only casino resort to be honored  with
the  prestigious  American Academy of Hospitality Sciences'  "Five
Star Diamond Award." Rio won 13 Las Vegas market first place votes
in the Casino Player Magazine annual survey of its readers.

Harrah's,  the premier name in the casino entertainment  industry,
is  the  most geographically diversified casino company  in  North
America.  With 19 properties worldwide, Harrah's operates  casinos
in  Las  Vegas,  Reno,  Lake Tahoe and  Laughlin  in  Nevada,  and
Atlantic  City,  North Kansas City, St. Louis, Joliet,  Vicksburg,
Shreveport,  Tunica,  Cherokee Smoky Mountains,  Phoenix  Ak-Chin,
Prairie  Band  Topeka  and Skagit Valley in Washington  under  the
Harrah's  brand  name and in Atlantic City, East Chicago  and  Las
Vegas   under  the  Showboat  brand  name.  A  casino  in  Sydney,
Australia,  operates under the name Star City,  and  is  partially
owned  and  managed by Harrah's. Among Harrah's recent awards  and
recognition are seven first places and eight second places in  Las
Vegas  by  readers of Casino Player Magazine, and an unprecedented
15   first  places  and  seven  second  places  in  Casino  Player
Magazine's Atlantic City rankings.

Statements in this release concerning future events, including the
anticipated completion of the transaction, future performance  and
business prospects are forward-looking and are subject to  certain
risks  and  uncertainties. These include, but are not limited  to,
anticipated  future  performance, economic  and  debt  and  equity
market  conditions,  changes in laws or regulations,  third  party
relations  and  approvals,  decisions of  courts,  regulators  and
governmental   bodies,  factors  affecting   leverage,   including
interest  rates,  and  effects  of competition.  These  risks  and
uncertainties  could significantly affect anticipated  results  or
events in the future and actual results may differ materially from
any forward-looking statements.

Transaction Summary

This  is  a  strategic combination of two companies that  share  a
single   vision,  yet  offer  distinct  and  highly  complementary
products, strengths, attributes and customer bases. On August  10,
1998, Harrah's announced the signing of a definitive agreement  to
merge  with Rio in a one-for-one stock transaction valued at  $518
million  based  on Harrah's closing price of $20  1/8  on  Friday,
August  7,  1998. Under the terms of the agreement, Harrah's  will
also  assume Rio's debt. The Boards of Directors of both  Harrah's
and  Rio  have  approved the transaction. Based on an  average  of
analysts'  estimates, the new Harrah's will have  pro  forma  1999
revenues  of  approximately $2.9 billion  and  approximately  $740
million  of  EBITDA.  Management expects  the  transaction  to  be
accretive to earnings in the first year.

     * New Company at a Glance
     * (all figures are pro forma)
     * Total Net Revenues $2.9 billion*
     * EBITDA $742 million*
     * Common Shares Outstanding 126 million
     * Fiscal year 12/31
     * Headquarters Memphis, TN
     * Total Casinos 20
     * Geographic Diversity 15 casino markets
     * Casino Brands Harrah's, Showboat, Rio
     * Total Employees (US) 35,000
     * Based on average of analysts' estimates


Highlights of the Transaction

Geographic Distribution: This combination provides Harrah's with a
resort destination that will offer its customers a fully developed
resort  alternative to its existing center-strip location. Through
Harrah's  unique  and innovative recognition and rewards  program,
Total  Gold, Rio's Las Vegas customer base will have the incentive
to  visit  Harrah's in the Las Vegas market and  when  they  visit
other  casino  markets.  There are substantial  revenue  synergies
expected.

Complementary  Customer Base: Significant opportunities  exist  to
strategically  expand  Rio's cross-market  play  through  Harrah's
database management and marketing strength. Unlike Harrah's,  more
than 50% of Rio's customers are from Las Vegas and the Los Angeles
markets. Now Harrah's will offer customers who frequent Las  Vegas
two different high-quality experiences, a strip destination and  a
resort experience.

Service   Quality  and  Physical  Appearance:  In  creating   Rio,
management  mirrored Harrah's service excellence  and  philosophy.
Rio  is  a special property, truly a Las Vegas gem for its  unique
and  innovative concept, a flagship-style asset. Rio has also  won
"Best  Overall  Hotel" from Zagat, "Best Value in  the  World"  by
Travel  and  Leisure and Rio is the only casino resort to  receive
the  prestigious  Academy  of  Hospitality  Sciences'  "Five  Star
Diamond  Award."  In  the  1998 Casino  Player  "Best  of  Gaming"
readers' poll, Rio and Harrah's won 20 first place awards  out  of
50  categories in Las Vegas. In Atlantic City, Harrah's alone  won
15 first place awards, more than any other casino.

Brand   Infrastructure:  With  Harrah's  leadership   and   market
strength,  the  Rio  name  will be  able  to  realize  its  growth
potential  outside of Las Vegas and to be selectively extended  to
other  markets.  Adding a third unique brand  under  the  Harrah's
umbrella,  Rio  provides  additional  opportunity  for  aggressive
customer  expansion  and  retention strategy.  Harrah's  industry-
leading Total Gold program, will extend to Rio's customer base and
provide  further  incentive for cross-customer loyalty  among  the
Harrah's, Showboat and Rio brands. Harrah's realizes the value  of
keeping  the brand identities separate and will focus on retaining
the unique operating characteristics of each brand.

Operational Excellence: Harrah's and Rio management are  committed
to the highest quality customer experience as well as investing in
property,  plant,  marketing  and technology.  The  most  critical
element driving the success of these companies is a dedicated team
of  employees. It is crucial to the ongoing success of the Rio and
the potential application of the Rio brand to additional locations
that Rio retains its unique culture.

Transaction  is  accretive and will create significant  synergies:
The   transaction  will  be  accretive  to  year  one  EPS  before
extraordinary charges. The transaction is even more accretive long-
term   assuming  cost  efficiencies  and  revenue  synergies   are
achieved.   Harrah's  expects  to   save   $7   million   annually
phased-in  over  two  years;  year  one  savings  assumed  to   be
approximately half that amount. In addition, Harrah's  expects  to
reduce Rio's interest costs by taking advantage of Harrah's  lower
cost of debt.

Revenue  Synergies Accomplished in Four Ways: From  customers  who
are  Harrah's  loyal  and stay at Harrah's  Las  Vegas,  but  also
venture  out  to experience a second more resort-style  Las  Vegas
location  to  play  and  dine. From customers  who  are  loyal  to
Harrah's  in  one  of  Harrah's other casino  markets  across  the
country, but want a destination resort experience when they  visit
Las  Vegas.  From Rio customers who are looking for a  second  Las
Vegas  experience  on  the strip. From Rio  customers  who  travel
across  the  United  States for gaming experiences,  and  are  not
currently directed or rewarded for any particular choice.


History/Background: Harrah's

Harrah's  was  founded in 1937 by casino gaming entrepreneur  Bill
Harrah. It has grown to become the most geographically diversified
casino company in North America. Harrah's operates casinos in  Las
Vegas,  Reno, Lake Tahoe and Laughlin, Nevada; and Atlantic  City,
North  Kansas  City,  St.  Louis, Joliet,  Vicksburg,  Shreveport,
Tunica, Cherokee Smoky Mountains, Phoenix Ak-Chin and Prairie Band-
Topeka  under the Harrah's brand. Atlantic City, East Chicago  and
Las Vegas under the Showboat brand. In Sydney, Australia under the
name  Star City. Across all its markets, Harrah's casinos comprise
approximately  1,063,000  sq. ft. of  gaming  space,  27,100  slot
machines and 1,180 table games; complemented by 9,150 hotel rooms;
and supported by 38,000 parking spaces.

Harrah's  is  the most recognized name in the casino entertainment
industry.  Founded more than 60 years ago, Harrah's is focused  on
building  loyalty  and  brand value with  its  targeted  customers
through  a  unique combination of excellent products and services,
unsurpassed  distribution, operational excellence  and  technology
leadership.  Harrah's  operates casinos  under  the  Harrah's  and
Showboat brand names. The heritage of the Harrah's name is one  of
innovation, growth, integrity and customer service in  the  casino
entertainment industry. Harrah's focuses on the gaming  experience
for  highly valuable target customers, particularly those who play
in more than one market.


History: Rio

Rio,  through  its wholly-owned subsidiary, owns and operates  the
Rio  Hotel  and Casino, opened in 1990 as the country's only  all-
suite  hotel  casino, with 424 suites on 30 acres of  land.  Since
1990,  the  company  has  acquired additional  land  and  expanded
pursuant  to  its master plan and customer demand, to its  current
status  as  the 13th largest hotel in the world. The Rio presently
has  over  2,500  suites and 120,000 square feet of  gaming  space
featuring  approximately 2,400 slot machines and 100 table  games,
in  addition to an 18-hole, championship golf course. Rio  has  35
acres  of  land  available  for  future  development.  Since   its
founding, Rio has maintained a strategy of providing excellence in
service,  value  to  customers,  world-class  accommodations   and
culinary  excellence to the Las Vegas market. Recognized  for  its
commitment to excellence, Rio has won numerous industry awards for
its facilities and service excellence.

                      For more information, call:
                    (Investors) Charles L. Atwood,
                   Vice President and Treasurer or
                         (Media) Ralph Berry,
          Vice President, Communications and Public Affairs,
                           both of Harrah's,
                            (901) 762-8600
                   or visit the Company's website at
                        http://www.harrahs.com

              (Investors and Media) James A. Barrett, Jr.,
                           President of Rio
                            (702) 252-7733
                   or visit the Company's website at
                        http://www.playrio.com


This   document   contains   certain  forward-looking   statements
regarding  the Company's beliefs, goals, anticipated results,  and
expectations which involve risks and uncertainties. The  Company's
actual   results   could  differ  materially  from   the   results
anticipated  in these forward looking statements as  a  result  of
certain  of  the  risk factors set forth in the Company's  filings
with  the  Securities and Exchange Commission including  quarterly
reports  on Form 10-Q, reports on Form 8-K, and annual reports  on
Form 10-K.


SOURCE:  Harrah's Entertainment, Inc. and Rio Hotel and Casino,
Inc.



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