Exhibit 1 JOINT FILING AGREEMENT Each of the undersigned hereby agrees that the Schedule 13D filed herewith is filed jointly, on behalf of each of the undersigned, pursuant to Rule 13d-1(k)(1) of the Securities and Exchange Act of 1934, as amended....

                                                                       Exhibit 1

                             JOINT FILING AGREEMENT

     Each of the undersigned hereby agrees that the Schedule 13D filed herewith
is filed jointly, on behalf of each of the undersigned, pursuant to Rule
13d-1(k)(1) of the Securities and Exchange Act of 1934, as amended.


Dated: January 21, 2000


Samstock/SZRT, L.L.C., Samstock/Alpha, L.L.C.,
Samstock/ZFT, L.L.C., Samstock ZGPI, L.L.C.,
and EGI Holdings, Inc.

By:       /s/ Xxxxxx X. Xxxxxxxxxxx
    ---------------------------------------------
       Xxxxxx X. Xxxxxxxxxxx, as Vice President of
       each of the above entities


       /s/ Xxxxxx Xxxx
-------------------------------------------------
       Xxxxxx Xxxx


ZFT Partnership

  By: ZFT Xxxxxx Trust, as partner

    By: Chai Trust Company, as trustee

By:        /s/ Xxxxxx X. Xxxxxxxxxxx
    ---------------------------------------------
       Xxxxxx X. Xxxxxxxxxxx, Vice President


RSB Properties Trust


By:        /s/ Xxxxxx Xxxx
    ---------------------------------------------
       Xxxxxx Xxxx, not individually but solely
       as Trustee


EGIL Investments, Inc.


By:        /s/ Xxxx Xxxxxx
    ---------------------------------------------
       Xxxx Xxxxxx, Vice President