Interest (the “ Interest ”) shall accrue on the unpaid Vested portion of Principal from the first day of the applicable measurement year to which the Vested portion of Principal applies until such Vested portion of Principal is repaid in full at the rate of eight percent (8%) per annum, compounding annually. The portion of accrued, but unpaid, Interest on the Vested portion of the Principal is payable at Maturity. All computations of the Interest rate hereunder shall be made on the basis of a 360-day year of twelve 30-day months. In the event that any Interest rate provided for herein shall be determined to be unlawful, such Interest rate shall be computed at the highest rate permitted by applicable law. Any payment by the Company of any Interest amount in excess of that permitted by law shall be considered a mistake, with the excess being applied to the Principal of this Note without prepayment premium or penalty.