Except as otherwise provided herein, this Agreement may not be modified or altered except by written instrument duly executed by all Parties. This Agreement may be amended, superseded, canceled, renewed or extended only by a written instrument signed by the Parties hereto. The provisions hereof may only be waived in writing by the Parties hereto. No delay on the part of any Party in exercising any right, power or privilege hereunder shall operate as a waiver thereof, nor any single or partial exercise of any such right, power or privilege, preclude any further exercise thereof or the exercise of any other such right, power or privilege. Except as otherwise provided herein, the rights and remedies herein provided are cumulative and are not exclusive of any rights or remedies that any Party may otherwise have at law or in equity.