Except as expressly permitted hereunder, this Agreement, the Plan and the other Definitive Documentation may not be modified, amended, or supplemented without the prior written consent of the Debtors, the Requisite Majority Consenting Secured Noteholders and the Requisite Majority Consenting Unsecured Noteholders (only as specifically set forth in Section 27 herein); provided that (i) the economic and adequate protection provisions of the DIP Orders may not be modified, amended, or supplemented without the prior written consent of the Initial Consenting Secured Noteholders for so long as such Initial Consenting Secured Noteholders hold at least 85% of the First Lien Notes and at least 85% of the Second Lien Notes and (ii) any modification of, or amendment or supplement to, this Section 26 or the definitions of Consenting First Lien Noteholders, Consenting Second Lien Noteholders, Consenting Unsecured Noteholders, Restructuring Support Parties, Initial Consenting Secured Noteholders, Requisite Majority Consenting First Lien Noteholders, Requisite Majority Consenting Second Lien Noteholders, Requisite Majority Consenting Unsecured Noteholders or Requisite Majority Consenting Secured Noteholders shall require the written consent of all of the Parties.