This Agreement and the Exhibits and Schedules attached hereto, together with the Confidentiality Agreement, contain the final and entire agreement between the Parties hereto with respect to the transactions contemplated hereby and are intended to be an integration of all prior negotiations and understandings, and without limitation supersede that certain Letter of Intent dated August 14, 2017. Steadfast, Blackstone and their agents shall not be bound by any terms, conditions, statements, warranties or representations, oral or written, not contained herein. No change or modifications to this Agreement shall be valid unless the same is in writing and signed by the Parties hereto. Each Party reserves the right to waive any of the terms or conditions of this Agreement which are for their respective benefit and to consummate the transaction contemplated by this Agreement in accordance with the terms and conditions of this Agreement which have not been so waived. Any such waiver must be in writing signed by the Party for whose benefit the provision is being waived. No failure of either Party to exercise any power given such Party hereunder or to insist upon strict compliance by either Party with its obligations hereunder, and no custom or practice of the Parties at variance with the terms hereof, shall constitute a waiver of any Party’s right to demand exact compliance with the terms hereof.