You acknowledge that this Separation Agreement, the Severance Plan, 2015 Stock Incentive Plan and related Awards, your Inducement Stock Option Agreement and the Restrictive Covenant Agreement set forth the entire agreement between you and the Company concerning your termination and fully supersedes any and all prior agreements or understandings between you and the Company pertaining to the subject matter hereof.  This Separation Agreement may only be modified in a written document signed by you and an authorized representative of the Company.  In the event any provision of this Separation Agreement is held invalid, all remaining provisions of the Separation Agreement shall remain in full force and effect.