Except as set forth on Schedule 4.6, no litigation, investigation or proceeding of or before any arbitrator or Governmental Authority is pending or, to the knowledge of Parent or the Borrower, threatened in writing against any Group Member or against any of their respective properties or revenues (a) with respect to any of the Loan Documents, or (b) that is reasonably likely to be adversely determined and if adversely determined would reasonably be expected to have a Material Adverse Effect.