Except as provided in any signed written agreement contemporaneously or hereafter executed by the Company and Executive and except for the agreements described on Appendix D attached hereto, this Agreement constitutes the entire agreement of the parties with regard to the subject matter hereof, and contains all the covenants, promises, representations, warranties and agreements between the parties with respect to employment of Executive by the Company. Without limiting the scope of the preceding sentence, all understandings and agreements preceding the date of execution of this Agreement and relating to the subject matter hereof including, without limitation, any prior employment agreement between Executive and the Company or an affiliate, are hereby null and void and of no further force and effect.