Scheduled Principal Balances: The Scheduled Principal Balances and Aggregate Scheduled Principal Balances for the Classes listed below are included in Schedule II to this Supplement. They were calculated using, among other things, the following Structuring Ranges or Rates: Class Structuring Range or Rate PAC Classes LB, LC, LD, LE and LO (in the aggregate).................................. 125% PSA through 300% PSA PF  .......................................................................................................... 153% PSA through 259% PSA TAC, TAC I and TAC II Classes FC  .......................................................................................................... 223% PSA OP and TA (in the aggregate)........................................................ 176% PSA OP, TA and ZD (in the aggregate)................................................ 286% PSA PO and TC (in the aggregate)........................................................ 271% PSA TD and UO (in the aggregate) ...................................................... 271% PSA Accrual Classes: Interest will accrue on each Accrual Class identified on the front cover of this Supplement at the per annum rate set forth on that page. However, no interest will be distributed to the Accrual Classes as interest. Interest so accrued on each Accrual Class on each Distribution Date will constitute an Accrual Amount, which will be added to the Class Principal Balance of that Class on each Distribution Date and will be distributable as principal as set forth in this Terms Sheet under "Allocation of Principal." Notional Classes: The Notional Classes will not receive distributions of principal but have Class  Notional  Balances  for  convenience  in  describing  their  entitlements  to  interest.  The Class Notional Balance of each Notional Class represents the percentage indicated below of, and reduces to that extent with, the Class Principal Balance or Trust Asset balance indicated: Class Approximate Original Class Notional Balance Represents Approximately IT.................................. $  32,000,000 100% of TC (TAC/AD Class) LI .................................. $  96,560,000 100% of LO (PAC Class) PS.................................. $  30,842,200 20% of PF (PAC Class) SP.................................. $  30,842,200 20% of PF (PAC Class) ST.................................. $  30,842,200 20% of PF (PAC Class) SV  ................................ $187,781,333 33.3333332742% of the Trust Assets (net of Trustee Fee) TI.................................. $  40,000,000 100% of TA (TAC I/AD Class) UT ................................ $  10,000,000 100% of TD (TAC/AD Class) Tax Status: Double REMIC Series. See "Certain Federal Income Tax Consequences" in this Supplement and in the Base Offering Circular. Regular  and  Residual  Classes: Class  RR  is  a  Residual  Class  and  includes  the  Residual Interest of the Issuing REMIC and the Residual Interest of the Pooling REMIC; all other Classes of REMIC Securities are Regular Classes. B-7