(a) This Agreement (including the agreements attached as Exhibits to and the documents and instruments referred to in this Agreement) constitutes the entire agreement of the Parties and supersedes all prior agreements, arrangements or understandings, whether written or oral, among the Parties with respect to the subject matter of this Agreement, except that the Parties hereto acknowledge that any confidentiality agreements heretofore executed between or among the Parties and the PSA (including the Term Sheet) will each continue in full force and effect.