(a) The Borrowers agree to pay to the Administrative Agent for the account of each Revolving Lender a commitment fee, which shall accrue at the Applicable Rate on the daily unused amount of the Revolving Commitments of such Lender during the period from and including the First Amendment Effective Date to but excluding the date on which the last of such Revolving Commitments terminates. Accrued commitment fees shall be payable in arrears on the first Business Day following the last day of March, June, September and December of each year and on the date on which the Revolving Commitments of any Class terminate, commencing on the first such date to occur after the date hereof First Amendment Effective Date . All commitment fees shall be computed on the basis of a year of 360 days and shall be payable for the actual number of days elapsed (including the first day but excluding the last day). For purposes of computing commitment fees, a Revolving Commitment of a Lender under any Tranche shall be deemed to be used to the extent of the outstanding Revolving Loans and LC Exposure of such Lender under such Tranche (and the Swingline Exposure of such Lender shall be disregarded for such purpose prior to the acquisition by such Lender of a participation therein pursuant to Section 2.05(c)).