(a) The U.S. Borrower agrees to pay to the Administrative Agent for the account of each U.S. Revolving Lender a commitment fee, which shall accrue at a rate equal to (i), if the average daily unused portion of the U.S. Commitments is greater than 50% of the total U.S. Commitments during the period in respect of which the payment is being made, 0.375% per annum, and (ii), if the average daily unused portion of the total U.S. Commitments is less than or equal to 50% of the total U.S. Commitment during the period in respect of which the payment is being made, 0.25% per annum, in each case on the average daily amount such U.S. Revolving Lender's Applicable Percentage of the Available U.S. Commitment during the period from and including the Effective Date to but excluding the date on which the U.S. Revolving Lenders’ U.S. Commitments terminate. The U.S. Borrower agrees to pay to the Administrative Agent for the account of each Tranche B Revolving Lender a commitment fee, which shall accrue at a rate equal to (i), if the average daily unused portion of the Tranche B Commitments is greater than 50% of the total Tranche B Commitments during the period in respect of which the payment is being made, 0.375% per annum, and (ii), if the average daily unused portion of the total Tranche B Commitments is less than or equal to 50% of the total Tranche B Commitment during the period in respect of which the payment is being made, 0.25% per annum, in each case on the average daily amount such Tranche B Revolving Lender's Applicable Percentage of the Available Tranche B Commitment during the period from and including the Effective Date to but excluding the date on which the Tranche B Revolving Lenders’ Tranche B Commitments terminate. The U.S. Borrower agrees to pay to the European Administrative Agent for the account of each Tranche C Revolving Lender a commitment fee, which shall accrue at a rate equal to (i), if the average daily unused portion of the Tranche C Commitments is greater than 50% of the total Tranche C Commitments during the period in respect of which the payment is being made, 0.375% per annum, and (ii), if the average daily unused portion of the total Tranche C Commitments is less than or equal to 50% of the total Tranche C Commitment during the period in respect of which the payment is being made, 0.25% per annum, in each case on the average daily amount such Tranche C Revolving Lender's Applicable Percentage of the Available Tranche C Commitment during the period from and including the Effective Date to but excluding the date on which the Tranche C Revolving Lenders’ Tranche C Commitments terminate. Accrued commitment fees shall be payable in arrears on the first day of each January, April, July and October and on the date on which the Revolving Commitments terminate, commencing on the first such date to occur after the date hereof. 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.