This Amendment shall become effective and binding on the Amendment Parties in accordance with the terms of the PSA upon the execution and delivery by the Company, the Requisite Plan Sponsors, the UCC, Milestone and the Individual Creditor Parties of an executed signature page hereto; provided , however , the Company, the Requisite Plan Sponsors and the UCC expressly reserve all rights, and take no position, with respect to whether the consent of the Individual Creditor Parties is required pursuant to Section 10 of the PSA in order for this Amendment to become effective and binding.