Classes D, E, F, G, XA and XB will bear interest during the initial Accrual Period at the following approximate Interest Rates: Class Approximate Initial Interest Rate D .................................................................................................................. 4.927% E .................................................................................................................. 5.301% F .................................................................................................................. 5.191% G .................................................................................................................. 5.499% XA  .................................................................................................................. 0.502% XB  .................................................................................................................. 1.445% Allocation of Principal: On each Distribution Date, a percentage of the Principal Distribu- tion Amount will be applied to the Trustee Fee, and the remainder of the Principal Distribution Amount (the "Adjusted Principal Distribution Amount") will be allocated as follows: 1.  To A, until retired 2.  Concurrently,  (a)  43.6804805932%  to  B  and  (b)  56.3195194068%  to  C,  until  B  is retired 3.  Concurrently, (a) 56.3195194068% to C and (b) 43.6804805932% to D, until C and D are retired 4.  To E, until retired 5.  Concurrently, to F and G, pro rata, until F and G are retired Allocation of Prepayment Penalties: On each Distribution Date, the Trustee will pay 100% of any Prepayment Penalties that are collected and passed through to the Trust to Class XA. 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 Balances indicated: Class Original Class Notional Balance Represents XA .............. $490,349,090 100% of A, B, C, D, E, F and G (in the aggregate) (SEQ Classes) XB .............. 412,125,090 For each Distribution Date from September 2003 through and including the Distribution Date in August 2004, the aggregate of (a) the First Class A Notional Contribution and (b) 100% of B, C, D, E, F and G (in the aggregate)(SEQ Classes); For each Distribution Date from September 2004 through and including the Distribution Date in August 2005, the aggregate of (a) the Second Class A Notional Contribution and (b) 100% of B, C, D, E, F and G (in the aggregate)(SEQ Classes); For each Distribution Date from September 2005 through and including the Distribution Date in August 2006, the aggregate of (a) the First Class B Notional Contribution, (b) the First Class C Notional Contribution and (c) 100% of D, E, F and G (in the aggregate)(SEQ Classes); C-16