This sets forth the entire agreement of the parties hereinafter in respect of the subject matter contained herein and supersedes all prior agreements, letters of intent, promises, covenants, arrangements, communications, representations or warranties, whether oral or written, by an officer, executive or representative of any party hereto; and any prior agreement of the parties hereto in respect to the subject matter contained herein, including the Prior Agreement. Executive acknowledges and agrees that no officer, executive or representative of Employer is authorized to offer any term or condition of employment which is in addition to or different than those set forth in this Agreement .