Exhibit 99.6 Agreement as to Joint Filing of Schedule 13D Each of the undersigned hereby affirms that it is individually eligible to use Schedule 13D, and agrees that this Schedule 13D is filed on its behalf. Date: December 6, 1997

                                           
                                           
                                           
                                      Exhibit 99.6
                                           
                     Agreement as to Joint Filing of Schedule 13D
                                           
        Each of the undersigned hereby affirms that it is individually
eligible to use Schedule 13D, and agrees that this Schedule 13D is filed on its
behalf.

Date:  December 6, 1997

                                                 SB MOTEL CORP.

                                                 By: /s/ Xxxx X. Xxxx
                                                     Name: Xxxx X. Xxxx
                                                     Title: Vice President

                                                 SALOMON BROTHERS         
                                                 HOLDING COMPANY INC


                                                 By: /s/ Xxxxxxxxx X. Xxxxxx
                                                     Name: Xxxxxxxxx X. Xxxxxx
                                                     Title: Assistant Secretary

                                                 XXXXXXX XXXXX XXXXXX     
                                                 HOLDINGS INC.


                                                 By: /s/ Xxxxxx X. Xxxxxxxxxxx
                                                     Name: Xxxxxx X. Xxxxxxxxxxx
                                                     Title: Assistant Secretary

                                                 TRAVELERS GROUP INC.

                                                 By: /s/ Xxxxxxxxx X. Xxxxxx
                                                     Name: Xxxxxxxxx X. Xxxxxx
                                                     Title: Assistant Secretary

                                                    /s/  Xxxx X. Xxxx
                                                         Xxxx X. Xxxx