This Agreement and the Master Agreement, together with all other agreements specifically contemplated thereunder, constitute the entire understanding between the parties with respect to the transaction contemplated herein, and all prior or contemporaneous oral agreements, understandings, representations and statements, and all prior written agreements (except the Master Agreement and all other agreements specifically contemplated thereunder), understandings, letters of intent and proposals, in each case with respect to the transaction contemplated herein, are hereby superseded and rendered null and void and of no further force and effect. Neither this Agreement nor any provisions hereof may be waived, modified, amended, discharged or terminated except by an instrument in writing signed by the party against which the enforcement of such waiver, modification, amendment, discharge or termination is sought, and then only to the extent set forth in such instrument.