This Agreement and the PRIA constitute the entire among the parties relating to this subject matter and supersedes all prior or simultaneous representations, discussions, negotiations, and agreements, whether written or oral, including the offer letter between Company and Executive dated June 13, 2016. This agreement may be amended or modified only with the written consent of Executive and Company. No oral waiver, amendment or modification will be effective under any circumstances whatsoever and any such oral waiver, amendment or modification will be null and void.