Revolver Loans shall be due and payable in full on the Revolver Termination Date, unless payment is sooner required hereunder.  Revolver Loans may be prepaid from time to time, without penalty or premium.  If an Overadvance exists at any time, Borrowers shall, on the sooner of Lender's demand or the first Business Day after any Borrower has knowledge thereof, repay Revolver Loans in an amount sufficient to reduce Revolver Usage to the Borrowing Base.
repayment of revolver loans