IN WITNESS WHEREOF, Landlord and Tenant have executed this Sixth Amendment as of the year and date above first written.

Exhibit 10.43

IN WITNESS WHEREOF, Xxxxxxxx and Xxxxxx have executed this Sixth Amendment as of the year and date above first written.

	LANDLORD:
	900 NORTH MICHIGAN, LLC, a Delaware limited liability company
	By:	/s/ XXXXXXX XXXXX
	Print Name:	XXXXXXX XXXXX
	Title:	VICE PRESIDENT
	TENANT:
	GROSVENOR CAPITAL MANAGEMENT, L.P., an Illinois limited partnership
	By:	/s/ Xxxx Xxxxxxx
	Print Name:	Xxxx Xxxxxxx
	Title:	Vice Chairman