This Agreement, the Asset Purchase Agreement (including the Exhibits and Schedules attached hereto), the other Ancillary Agreements and the Confidentiality Agreement constitute the entire agreement, and supersede all prior written agreements, arrangements, communications and understandings and all prior and contemporaneous oral agreements, arrangements, communications and understandings between the parties with respect to the subject matter hereof and thereof.  Notwithstanding any oral agreement or course of action of the parties or their Representatives to the contrary, no party to this Agreement shall be under any legal obligation to enter into or complete the transactions contemplated hereby unless and until this Agreement shall have been executed and delivered by each of the parties.