Any member of the Controlled Group of the Borrower shall fail to pay when due an amount or amounts aggregating in excess of U.S. $1,000,000 which it shall have become liable to pay to the PBGC or to a Plan under Title IV of ERISA; or notice of intent to terminate a Plan or Plans having aggregate Unfunded Vested Liabilities in excess of U.S. $3,000,000 (collectively, a “Material Plan”) shall be filed under Title IV of ERISA by any member of the Controlled Group, any plan administrator or any combination of the foregoing; or the PBGC shall institute proceedings under Title IV of ERISA to terminate or to cause a trustee to be appointed to administer any Material Plan or a proceeding shall be instituted by a fiduciary of any Material Plan against any member of the Controlled Group to enforce Section 515 of ERISA and such proceeding shall not have been dismissed within thirty (30) days thereafter; or a condition shall exist by reason of which the PBGC Material Plan must be terminated.