This Agreement, and the terms, covenants, and conditions herein contained, shall inure to the benefit of and be binding upon the heirs, personal representatives, successors, and assigns of each of the parties hereto. Purchaser may assign its rights under this Agreement to one or two assignees upon the following conditions: (a) the assignee or assignees of Purchaser must be one or more entities controlled, either exclusively or non-exclusively as a member of a venture, by the principals of Purchaser, or to an entity for which entities controlled by the principals of Purchaser will provide Property services or which will share in the economic performance of the Property, (b) the assignee of Purchaser shall assume all obligations of Purchaser hereunder, or the two respective assignees of Purchaser hereunder shall assume all obligations of Purchaser hereunder with respect to the Hunter’s Creek Property and the Metrowest Property, respectively, but in either case Purchaser shall remain primarily liable for the performance of Purchaser's obligations, (c) a copy of the fully executed written assignment and assumption agreement or agreements shall be delivered to Seller at least five (5) business days prior to Closing, and (d) the requirements in Section 12.17 are satisfied.