SECURITY GROUP 2 The Group 2 Principal Distribution Amount will be allocated, sequentially, to PA and BO, in that order, until retired Scheduled Principal Balances: The Scheduled Principal Balances for the Class listed below are included in Schedule II to this Supplement. They were calculated using, among other things, the following Structuring Range: Class Structuring Range KO ............................................................................................................ 100% PSA through 300% PSA 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 Approximately AI................................ $ 8,037,577 11,577,933 $  19,615,510 29.1666654571% of BO (SC/SEQ Class) 33.3333323737% of PA (SC/SEQ Class) AJ ................................ $ 6,889,352 2,894,483 $ 9,783,835 25% of BO (SC/SEQ Class) 8.3333323737% of PA (SC/SEQ Class) BI................................ $ 9,185,803 33.3333345429% of BO (SC/SEQ Class) BJ................................ $ 5,741,127 2,894,483 $ 8,635,610 20.8333345429% of BO (SC/SEQ Class) 8.3333323737% of PA (SC/SEQ Class) BX .............................. $  27,557,408 100% of BO (SC/SEQ Class) CI................................ $ 6,889,352 11,577,933 $  18,467,285 25% of BO (SC/SEQ Class) 33.3333323737% of PA (SC/SEQ Class) CJ................................ $ 9,185,803 1,447,242 $  10,633,045 33.3333345429% of BO (SC/SEQ Class) 4.1666676263% of PA (SC/SEQ Class) DI  .............................. $ 5,741,126 11,577,933 $  17,319,059 20.8333309141% of BO (SC/SEQ Class) 33.3333323737% of PA (SC/SEQ Class) DJ  .............................. $ 8,037,577 1,447,242 $ 9,484,819 29.1666654571% of BO (SC/SEQ Class) 4.1666676263% of PA (SC/SEQ Class) EI................................ $ 4,592,901 11,577,933 $  16,170,834 16.6666654571% of BO (SC/SEQ Class) 33.3333323737% of PA (SC/SEQ Class) S-6