This Agreement, including all Exhibits and Disclosure Schedules attached hereto and thereto contain the entire agreement of the parties and supersede any and all prior or contemporaneous agreements between the parties, written or oral, with respect to the transactions contemplated hereby. Such agreement may not be changed or terminated orally, but may only be changed by an agreement in writing signed by the party or parties against whom enforcement of any waiver, change, modification, extension, discharge or termination is sought.