1 Page 10 of 10 Pages JOINT FILING AGREEMENT The undersigned agree that this Amendment No. 5 to the Statement on Schedule 13D to which this Agreement is attached and any amendments thereto are filed on behalf of each one of them. Date: March 10, 1997

   1
                                                             Page 10 of 10 Pages

                             JOINT FILING AGREEMENT

                  The undersigned agree that this Amendment No. 5 to the
Statement on Schedule 13D to which this Agreement is attached and any amendments
thereto are filed on behalf of each one of them.

Date:             March 10, 1997

                                                   LN INVESTMENT CAPITAL LIMITED
                                                   PARTNERSHIP
                                            
                                            
                                                   By: /s/ Xxxxxxx X. Xxxxxxxx
                                                      ------------------------
                                                      Xxxxxxx X. Xxxxxxxx,
                                                      Managing General Partner
                                            
                                                   LEPERCQ INVESTMENT LIMITED
                                                   PARTNERSHIP-II
                                            
                                            
                                                   By: /s/ Xxxxxxx X. Xxxxxxxx
                                                      ------------------------
                                                      Xxxxxxx X. Xxxxxxxx,
                                                      Managing General Partner
                                            
                                                      /s/ Xxxxxxx X. Xxxxxxxx
                                                      ------------------------
                                                      Xxxxxxx X. Xxxxxxxx