(a) Each borrowing by the Borrower from the Lenders hereunder, each payment by the Borrower on account of any commitment fee or Letter of Credit fee, and any reduction of the Commitments of the Lenders, shall be made pro rata according to the respective Tranche B Term Loan Percentages or Revolving Credit Percentages, as the case may be, of the relevant Lenders; provided however that if (i) the Borrower makes non pro rata payments in accordance with Sections 5.18 and 5.19 to only those Lenders selling Term Loans in an Auction or in connection with an Assignment pursuant to Section 12.16 or (ii) Facilities in addition to the Tranche B Term Facility or the Original Revolving Credit Facility exist pursuant to the terms of this Agreement, this Section 5.11(a) shall not prohibit the Borrower from making such additional payments or such reductions in Commitments as otherwise expressly provided for herein.