Except as provided in any signed written agreement contemporaneously or hereafter executed by the Employer and Executive, this Agreement (a) constitutes the entire agreement of the parties with regard to the subject matter hereof, (b) supersedes all prior agreements, arrangements, and understandings, written or oral, relating to the subject matter hereof, and (c) contains all the covenants, promises, representations, warranties, and agreements between the parties with respect to employment of Executive by the Employer. 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 but not limited to any employment agreements, confidentiality agreements, noncompete agreements, or other agreements) are hereby null and void and of no further force and effect.