Entire Agreement; Amendment; Severability. This Agreement and the Plan embody the entire understanding of the parties regarding the subject matter hereof and will supersede all prior agreements and understandings, oral or written, between the parties with respect thereto. Except as otherwise provided in [Section 15.4] (Amendment to Conform to Law) of the Plan, no change, alteration or modification of this Agreement may adversely affect in any material way your rights under this Agreement without your prior written consent. If any provision of this Agreement or the application of any provision hereof is declared to be illegal, invalid, or otherwise unenforceable by a court of competent jurisdiction, the remainder of this Agreement will not be affected thereby.