On and subject to the terms and conditions of this Agreement, at the Closing (as defined below), the Buyer shall purchase, as applicable, from: (i) the Seller and the Seller shall sell, transfer and assign, convey and deliver to the Buyer, the Seller Membership Interests and/or (ii) the Company and the Company shall sell, transfer and assign, convey and deliver to the Buyer, the Building Owner Membership Interests, free and clear of all liens, pledges, claims, security interests, encumbrances, or charges (collectively the "Interest Liens").  Buyer shall have no right or obligation to purchase the Seller Membership Interests or the Building Ownership Membership Interests unless Buyer has purchased the DT 87.5% interest or building owner membership interests, as applicable, pursuant to the DT Purchase Agreement.