Mandatory. (i) In the event of any termination of any Tranche of Revolving Credit Commitments, the Borrowers shall, on the date of such termination, repay or prepay all outstanding Revolving Credit Loans of such Tranche and replace all outstanding Letters of Credit and/or Cash Collateralize the L/C Obligations in a cash collateral account established with the Collateral Agent for the benefit of the Secured Parties in the manner described in [Section 2.03(g)]. If for any reason the Outstanding Amount of Revolving Credit Loans of any Tranche of Revolving Credit Commitments at any time exceeds the amount of Revolving Credit Commitments of such Tranche then in effect, the Borrowers shall immediately prepay all outstanding Revolving Credit Loans of such Tranche and/or Cash Collateralize the L/C Obligations in an aggregate amount equal to such excess; provided, however, that the Borrowers shall not be required to Cash Collateralize the L/C Obligations pursuant to this [Section 2.05(b)(i)] unless, after the prepayment in full of the Revolving Credit Loans of the applicable Tranche, the Total Outstandings exceeds the Total Revolving Credit Commitments then in effect. Mandatory prepayments of any Tranche of Revolving Credit Loans shall be made on a pro rata basis among the outstanding Revolving Credit Loans of such Tranche.