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, ▇▇▇▇▇▇▇▇ and ▇▇▇▇▇▇ 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/ ▇▇▇▇▇▇▇ ▇▇▇▇▇
	Print Name:	▇▇▇▇▇▇▇ ▇▇▇▇▇
	Title:	VICE PRESIDENT
	TENANT:
	GROSVENOR CAPITAL MANAGEMENT, L.P., an Illinois limited partnership
	By:	/s/ ▇▇▇▇ ▇▇▇▇▇▇▇
	Print Name:	▇▇▇▇ ▇▇▇▇▇▇▇
	Title:	Vice Chairman