Exhibit 10.6 EXECUTIVE CHANGE OF CONTROL PLAN Effective as of May 10, 1999 Amendment No. 1, Effective as of February 10, 2000 -------------------------------------------------- 1. Paragraph 1(c) of the Executive Change of Control Plan, which was adopted effective May 10, 1999, shall be amended to read in its entirety as follows: 1. Certain Definitions. (c) "Executive" shall be each executive officer of the Company, the Vice President/Human Resources and the Vice President/Chief Information Officer, as designated by the Board. 2. Except as amended above, all provisions of the Executive Change of Control Plan remain in effect, unmodified. GRUBB & ELLIS COMPANY BY /s/ Reuben S. Leibowitz ----------------------- Reuben S. Leibowitz Chairman, Compensation Committee