Common use of Basic Cost Increase Adjustment Clause in Contracts

Basic Cost Increase Adjustment. The Base Rental payable hereunder shall be adjusted upward (but not downward) from time to time in accordance with the following provisions: (a) The Building contains approximately 321,500 square feet of Net Rentable Area in aggregate. Tenant's Base Rental is based, in part, upon the estimate that during each calendar year of the Lease Term, Basic Costs will be equal to the actual Basic Costs for the calendar year 1993 (such estimate on a square foot of Net Rentable Area in the Building basis being hereafter referred to as the "Expense Stop"). Tenant shall, when Landlord so requires, during the Lease Term pay as an adjustment to Base Rental hereunder an amount (per each square foot of Net Rentable Area of the Premises, including those portions of Common Areas allocated to the Premises from time to time) equal to the excess ("Excess") from time to time of actual Basic Costs per square foot of Net Rentable Area in the Building over the amount of the Expense Stop. Landlord may collect such additional Base Rental in arrears on a yearly basis. Landlord shall also have the option to make a good faith estimate of the Excess for each upcoming calendar year and upon thirty (30) days' written notice to Tenant may adjust the monthly