AGREEMENT The undersigned parties do hereby agree that a Schedule 13D, and any amendment thereto, pertaining to the shares of Common Stock of RIVIERA HOLDINGS CORPORATION beneficially owned by said parties shall be jointly filed on behalf of each of...

                                                                       Exhibit A
                                                                       ---------

                                    AGREEMENT

     The undersigned parties do hereby agree that a Schedule 13D, and any
amendment thereto, pertaining to the shares of Common Stock of RIVIERA HOLDINGS
CORPORATION beneficially owned by said parties shall be jointly filed on behalf
of each of the undersigned.

         IN WITNESS WHEREOF, each of the undersigned has executed this Agreement
this 10th day of July 2002.

                                   /s/ XXXXXX X. XXXXX
                                   ---------------------------------------------
                                   Xxxxxx X. Xxxxx

                                   XXXXX HOTELS & CASINO RESORTS HOLDINGS, L.P.

                                      By:  XXXXX HOTELS & CASINO RESORTS, INC.,
                                           its general partner


                                           /s/ XXXXXX X. XXXXXX
                                           --------------------
                                           Xxxxxx X. Xxxxxx
                                           Executive Vice President, Secretary
                                           and General Counsel