This Agreement constitutes the full and entire understanding and agreement among the parties with respect to the subject matter hereof, and any other written or oral agreement relating to the subject matter hereof existing between the parties is expressly canceled;  provided , that, for the avoidance of doubt, the foregoing shall not affect the rights and obligations of the parties under the Share Exchange Agreement or any Ancillary Document, including the Registration Rights Agreement. Notwithstanding the foregoing, nothing in this Agreement shall limit any of the rights or remedies of Purchaser and the Purchaser Representative or any of the obligations of Holder under any other agreement between Holder and Purchaser or the Purchaser Representative or any certificate or instrument executed by Holder in favor of Purchaser or the Purchaser Representative, and nothing in any other agreement, certificate or instrument shall limit any of the rights or remedies of Purchaser or the Purchaser Representative or any of the obligations of Holder under this Agreement.