Promptly after any officer of the Borrower or any of its Subsidiaries obtains knowledge thereof, notice of (i) the occurrence of any event which constitutes a Default or an Event of Default or any default or event of default under any debt instrument in excess of the Threshold Amount, (ii) any litigation or governmental investigation or proceeding pending against the Borrower or any of its Subsidiaries (x) which, either individually or in the aggregate, has had, or would reasonably be expected to have, a Material Adverse Effect or (y) with respect to any Credit Document, (iii) any Casualty Event involving Collateral with a fair market value in excess of $10,000,000 or (iv) any other event, change or circumstance that has had, or would reasonably be expected to have, a Material Adverse Effect.