Base Offering Circular - Multifamily 482090 86 Structural Excess Assumptions............................... The assumptions in respect of a Distribution Date that (a) no defaults or late payments occur on the Trust Assets and (b) the amount of principal received on the Trust Assets in the related Accrual Period is equal to the aggregate amount of principal to be distributed to Holders on such Distribution Date. Structuring Range....................... With respect to a PAC Class or Component or group of PAC Classes or Components or a Scheduled Class or Component or group of Scheduled Classes or Components, the range of constant prepayment rates that was used to calculate its Scheduled Principal Balances. Structuring Rate ......................... With respect to a TAC Class or Component or group of TAC Classes or Components, the constant prepayment rate that was used to calculate its Scheduled Principal Balances. Supplemental Statement............. A statement posted on gREX after a transaction closes showing any characteristics of the Securities that differ significantly from those shown in the Offering Circular. Supplemental Trustee Fee.......... With respect to each Special Excess Distribution Date for a Series, the fee payable to the Trustee as provided in the Trust Agreement. TAC Class .................................. A Class that is designed to receive distributions of principal using a predetermined schedule derived by assuming a single constant prepayment rate for the underlying Mortgage Loans. TAC Component ........................ A Component that is designed to receive distributions of principal using a predetermined schedule derived by assuming a single constant prepayment rate for the underlying Mortgage Loans. Tax Administrator ...................... With respect to a Trust, the Person designated in the Trust Agreement to perform certain tax administrative functions for the Trust. Tax Matters Person .................... The Person or Persons designated from time to time in the Trust Agreement to act as tax matters person (within the meaning of the REMIC Provisions) of a Trust REMIC.