EXHIBIT 1

JOINT FILING AGREEMENT

          Pursuant to Rule 13d-1(k) under the Securities Exchange Act of l934, as amended, the undersigned hereby agree to file with the Securities and Exchange Commission this Amendment No. 12 to Schedule 13D (the "Amendment"), with respect to the Common Stock of Grubb & Ellis Company. The undersigned agree that the Amendment will be filed on behalf of each and all of them. Each of the undersigned agrees that he or it is responsible for the accuracy and completeness of the information concerning him or it contained in the Amendment. This agreement may be executed in any number of counterparts, which taken together shall constitute one and the same document.

Dated: December 28, 2007	/s/ C. Michael Kojaian
	C. Michael Kojaian
Dated: December 28, 2007	KOJAIAN HOLDINGS LLC
	By:  Kojaian Management Corporation, its Sole Member
	By	/s/ C. Michael Kojaian
		C. Michael Kojaian, its Executive Vice President
Dated: December 28, 2007	KOJAIAN MANAGEMENT CORPORATION
	By	/s/ C. Michael Kojaian
		C. Michael Kojaian, its Executive Vice President
Dated: December 28, 2007	KOJAIAN VENTURES, L.L.C.
	By:  Kojaian Ventures-MM, Inc., its Managing Member
	By	/s/ C. Michael Kojaian
		C. Michael Kojaian, President
Dated: December 28, 2007	KOJAIAN VENTURES-MM, INC.
	By	/s/ C. Michael Kojaian
		C. Michael Kojaian, President