Prior to the Investment Grade Date and after the Collateral Regrant Date (a) (i) permit any waiver, supplement, modification or amendment of any indenture, instrument or agreement pursuant to which any Subordinated Indebtedness or Permitted Junior Debt or any Permitted Refinancing Debt thereof of the Borrower or any Restricted Subsidiary is outstanding if the effect of such waiver, supplement, modification or amendment, taken as a whole, would be materially adverse to the Borrower, any Restricted Subsidiary or the Lenders, (ii) consent to any amendment, supplement, waiver or other modification or change of its Organizational Documents in any manner if the effect thereof, taken as a whole, would be materially adverse to the Lenders or (iii) waive, supplement, amend, modify or change, or cancel or terminate, in any manner any term or condition of any Related Document or give any consent, waiver or approval thereunder, except to the extent that such waiver, supplement, amendment, modification, change, cancellation, termination, consent or approval could not reasonably be expected to have a Material Adverse Effect.