This Agreement, together with Executive Confidentiality and Non-Compete Agreement in effect on the Effective Date, constitutes the entire agreement between the parties with respect to the subject matter hereof and supersedes and cancels all prior or contemporaneous oral or written agreements and understandings between them with respect to the subject matter hereof, except as otherwise specifically stated in this Agreement, including the Prior Agreement. This Agreement may not be changed or modified orally but only by an instrument in writing signed by the parties hereto, which instrument states that it is an amendment to this Agreement.