TO LEASE AGREEMENT FOR A GAMMA KNIFE UNIT
This ADDENDUM FOUR TO LEASE AGREEMENT FOR A GAMMA KNIFE UNIT (this
“Addendum Four”) is dated effective as of February 8, 2010, and is entered into between (i) GK FINANCING,
LLC, a California limited liability company (“GKF”), and (ii) SUNRISE HOSPITAL AND MEDICAL
CENTER, LLC, a Delaware limited liability company that is qualified to do business in the State of Nevada,
d/b/a/ Sunrise Hospital and Medical Center (“Medical Center”), with reference to the following recitals:
A. Medical Center owns and operates an acute care hospital facility located at 3186 South
Maryland Parkway, Las Vegas, NV 89109.
B. On June 3, 1999, GKF and Medical Center executed a Lease Agreement for a Gamma Knife
Unit, which Lease Agreement was amended by (i) a certain Addendum dated effective December 1, 1998, (ii) a
certain Addendum Two (“Addendum Two”) dated effective January 17, 2007, and (iii) a certain Addendum
Three (“Addendum Three”) dated effective June 20, 2007 (collectively, and as amended, the “Lease”).
C. The parties desire to further amend the terms and provisions of the Lease as set forth herein.
NOW THEREFORE, in consideration of the mutual covenants and agreements set forth herein, and for
other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties
agree as follows:
1. Defined Terms . Unless otherwise defined herein, the capitalized terms used herein shall
have the same meanings set forth in the Lease.
2. Extension of Lease Term . It is acknowledged that the Commencement Date of the Lease
was January 8, 2001. The Term of the Lease as set forth in Section 5 of the Lease is hereby extended for an
additional two (2) years, which extended Term shall expire on January 8, 2013. All references in the Lease to
the “Term” shall be deemed to refer to the T