Exhibit 99.1 ------------ Agreement to File Joint Schedule 13D ------------------------------------ The undersigned have agreed jointly to file the Schedule 13D to which this agreement is attached and all future amendments thereto. Dated: July 27, 1981

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                                                                    Exhibit 99.1
                                                                    ------------
                      Agreement to File Joint Schedule 13D
                      ------------------------------------

                  The undersigned have agreed jointly to file the Schedule 13D
to which this agreement is attached and all future amendments thereto.


Dated:   July 27, 1981



                                                   
Xxxxx-Craft Industries, Inc.                          BHC, Inc.


By: /s/      Xxxxxxxx X. Xxxxxxx                      By: /s/        Xxxxxxxx X. Xxxxxxx
    ------------------------------------                  ------------------------------
             Xxxxxxxx X. Xxxxxxx                                     Xxxxxxxx X. Xxxxxxx
             Executive Vice President                                Executive Vice President