Leasehold Mortgages Subject to the requirements of this Article XX, Lessee may assign or encumber Lessee’s interest in the Leasehold as security for any debt or obligation of Lessee [to an Institutional Investor] by a Leasehold Mortgage containing such terms and provisions as Lessee may, in its sole discretion, deem fit and proper; provided, however, that all right, title and interest acquired by such Leasehold Mortgagee under such Leasehold Mortgage from Lessee shall be subject to this Lease and to the rights and interests of Lessor herein and to the rights of any holder of a Fee Mortgage arising under or by virtue of this Lease. Lessor shall have the right to request and, Lessee shall use its commercially reasonable efforts to obtain, a non-disturbance agreement from any Leasehold Mortgagee, in favor of Lessor and any holder of a Fee Mortgage, confirming that the provisions of this Lease, including the provisions of this Section 20.2, will be honored by and binding upon any Leasehold Mortgagee, and further containing such other terms and conditions as the holder of a Fee Mortgage shall reasonably request, including attornment of Lessee to the holder of the Fee Mortgage in the event the holder of the Fee Mortgage succeeds to the interest of Lessor hereunder.