Exhibit 99.1


Written  Statement  of Chief  Executive  Officer  and  Chief  Financial  Officer
Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

The undersigned,  the Chief Executive Officer and the Chief Financial Officer of
Grubb &  Ellis  Company  (the  "Company"),  each  hereby  certifies  that to his
knowledge, on the date hereof:

(a)  the Form 10-Q of the Company for the period ended  September 30, 2002 filed
     on the date  hereof  with  the  Securities  and  Exchange  Commission  (the
     "Report") fully complies with the  requirements of Section 13 (a) or 15 (d)
     of the Securities Exchange Act of 1934; and

(b)  information  contained  in the  Report  fairly  presents,  in all  material
     respects, the financial condition and results of operations of the Company.


                              /s/ Barry M. Barovick
                              ---------------------
                              Barry M. Barovick
                              President, Chief Executive Officer and a director
                              November 14, 2002


                              /s/ Ian Y. Bress
                              ---------------------
                              Ian Y. Bress
                              Chief Financial Officer
                              November 14, 2002