Assignment; Sublease 19.1 Lessor may sell, assign or otherwise transfer all or any part of its right, title and interest in and to the Equipment and/or this Lease Agreement to a third-party assignee, subject to the terms and conditions of this Lease Agreement including, but not limited to, the right to the quiet enjoyment of the Equipment by Lessee as set forth in Section 7.1 above. Such assignee shall assume all of the rights and obligations of Lessor under this Lease Agreement and shall relieve Lessor therefrom. Thereafter, all references to Lessor herein shall mean such assignee. Notwithstanding any such sale, assignment or transfer, the obligations hereunder shall remain absolute and unconditional as set forth in Section 7.2 above. 19.2 Lessor may also pledge, mortgage or grant a security interest in the Equipment and assign this Lease Agreement as collateral. Each such pledgee, mortgagee, lienholder or assignee shall have any and all rights as may be assigned by Lessor but none of the obligations of Lessor hereunder. Any pledge, mortgage or grant of security interest in the Equipment or assignment of this Lease Agreement shall be subject to the terms and conditions hereof including, but not limited to, the right to the quiet enjoyment of the Equipment by Lessee as set forth in Section 7.1 above. Lessor, by reason of such pledge, mortgage, grant of security interest or collateral assignment, shall not be relieved of any of its obligations hereunder which shall remain absolute and unconditional as set forth in Section 7.2 above. Upon the written request of Lessor, Lessee shall acknowledge such obligations the pledgee, mortgagee, lienholder or assignee. 19.3 LESSEE SHALL NOT SELL, TRANSFER, ASSIGN, SUBLEASE, CONVEY OR PLEDGE ANY OF ITS INTEREST IN THIS LEASE AGREEMENT OR ANY OF THE EQUIPMENT, WITHOUT THE PRIOR WRITTEN CONSENT OF LESSOR. Any such sale, transfer, assignment, sublease, conveyance or pledge, whether by operation of law or otherwise, without the prior written consent of Lessor, shall be void.