Except as otherwise expressly provided, this Agreement may only be amended, modified or supplemented by an agreement in a writing signed by each of the Parties. The Parties agree that, in the event that there is a change in Law that affects (or may affect) the legality or enforceability of this Agreement or any of its provisions or that materially and adversely affects the ability of any Party to perform its obligations or receive the benefits intended under this Agreement, then, as soon as reasonably practical following written notice thereof, the Parties will negotiate reasonably and in good faith (provided that neither Party will have any obligation to enter into) an amendment or substitute agreement in order to best reflect the original intent of the Parties in a manner consistent with that change in applicable Law.