definiens: means that ( i ) Prometheus shall fail to pay any principal of or premium or interest on any of itsDebt which is outstanding in a principal amount of at least [ * * * ] million U.S. dollars ( $ [ * * * ] ) when the same becomes dueand payable ( whether by scheduled maturity, required prepayment, acceleration, demand or otherwise ) ; ( ii ) any other eventshall occur or condition shall exist under any agreement or instrument relating to any such Debt which remains uncured orun - waived for a period of more than [ * * * ] ( [ * * * ] ) days if the effect of such event or condition, if uncured or un - waived, would be to accelerate, or to permit the acceleration of, the maturity of such Debt ; or ( iii ) any such Debt that constitutes Debtfor Borrowed Money shall be declared to be due and payable, or required to be prepaid ( other than by a required prepaymentthat is not due to a breach or default under the agreements governing such Debt ), redeemed, purchased or defeased, or an offerto repay, redeem, purchase or defease such Debt shall be required to be made, in each case prior to the stated maturity thereof