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: Original Class Class Notional Balance Represents Approximately FN ............ $121,600,000 66.6666666667% of EN (PAC/AD Class) IA.............. 10,487,272 36.3636363636% of DA (PAC I Class) IB  ............ 18,897,090 36.3636363636% of DB (PAC I Class) IC  ............ 44,952,000 36.3636363636% of DA, DB and DC (in the aggregate) (PAC I Classes) ID ............ 15,567,636 36.3636363636% of DC (PAC I Class) IG  ............ 3,168,727 18.1818181818% of DE (PAC I Class) IH ............ 49,490,000 100% of DG (PAC I Class) IY.............. 52,678,500 100% of YA (NSJ/PAC II/AD Class) NI  ............ 182,400,000 100% of EN (PAC/AD Class) PI.............. 15,790,000 100% of EP (PAC I Class) SB ............ 50,000,000 100% of FB (PT Class) SD ............ 5,773,162 100% of FD (PT Class) SN ............ 121,600,000 66.6666666667% of EN (PAC/AD Class) UB............ 12,334,800 475% of UA (SC/PT Class) WI ............ 30,000,000 100% of WA (PAC/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 Pooling REMIC; all other Classes of REMIC Securities are Regular Classes. S-10