Grubb & Ellis 10-Q 2004 Q4 Quarterly report

Exhibit 32

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

The undersigned, the Co-Chief Executive Officers 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 December 31, 2004 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/ Maureen A. Ehrenberg  

Maureen A. Ehrenberg 

Executive Vice President
acting in capacity of co-Chief Executive Officer
February 18, 2005 

/s/ Robert H. Osbrink  

Robert H. Osbrink 

Executive Vice President
acting in capacity of co-Chief Executive Officer
February 18, 2005 

/s/ Brian D. Parker  

Brian D. Parker 

Chief Financial Officer and
acting in capacity of co-Chief Executive Officer
February 18, 2005