No ERISA Event has occurred or is reasonably expected to occur that, when taken together with all other such ERISA Events for which liability is reasonably expected to occur, would reasonably be expected to result in a Material Adverse Effect. The excess of the present value of all accumulated benefit obligations under each Plan (based on assumptions used for purposes of Statement of Financial Accounting Standards No. 87), if any, over the fair market value of the assets of such Plan, would not reasonably be expected to result in a Material Adverse Effect.