This Agreement constitutes the entire agreement of the parties, superseding and terminating any and all prior or contemporaneous oral and written agreements, understandings or letters of intent between or among the parties with respect to the subject matter of this Agreement. No part of this Agreement may be modified or amended, nor may any right be waived, except by a written instrument which expressly refers to this Agreement, states that it is a modification or amendment of this Agreement and is signed by the parties to this Agreement, or, in the case of waiver, by the party granting the waiver. No course of conduct or dealing or trade or custom and no course of performance shall be relied on or referred to by any party to contradict, explain or supplement any provision of this Agreement, it being acknowledged by the parties to this Agreement that this Agreement is intended to be, and is, the complete and exclusive statement of the Agreement with respect to its subject matter. Any waiver shall be limited to the express terms thereof and shall not be construed as a waiver of any other provisions or the same provisions at any other time or under any other circumstances.