This Agreement (including the Guarantee set forth on the signature pages hereto), the Confidentiality Agreement, the Other PSAs, the Closing Documents, the Closing Documents (as defined in each of the Other PSAs) and the Exhibits and Schedules to each of the foregoing, collectively, contain all of the terms agreed upon between the parties hereto with respect to the subject matter hereof, and all understandings and agreements heretofore had or made among the parties hereto are merged in this Agreement which alone fully and completely expresses the agreement of the parties hereto.