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 BI  ........   $  87,000,000 100% of  DB (PAC I Class) IB  ........ 17,150,356 100% of  LB (PAC Class) IC  ........ 204,600,000 100% of  DA, DB and DC (in the aggregate)  (PAC I Classes) ID ........ 48,000,000 100% of  DA (PAC I Class) IE.......... 15,800,000 40% of  NG and NH (in the aggregate)  (PAC I Classes) IG ........ 9,200,000 40% of  NG (PAC Class) IH ........ 5,509,090   18.1818181818% of  CB (PAC I Class) IJ .......... 78,400,000 100% of  JA (NSJ/PAC II/AD Class) IL.......... 88,761,721   72.7272727273% of  LA (PAC Class) IM ........ 35,630,627 100% of  YV (NSJ/TAC/AD Class) IN  ........ 15,045,454   18.1818181818% of  CD (PAC I Class) IU  ........ 6,600,000 40% of  NH (PAC Class) IW ........ 69,600,000 100% of  DC (PAC I Class) LI.......... 33,285,645   27.2727272727% of  LA (PAC Class) PS  ........ 35,520,000 100% of  PF (PAC/AD Class) SA  ........ 12,500,000 100% of  FA (STP Class) Component  Classes:  For  purposes  of  calculating  distributions  of  principal,  Class  ZC  is comprised of multiple components having the designations and characteristics set forth below. Components are not separately transferable from the related Class of Securities. Class Components Principal Type Interest Type Interest Rate Original Principal Balance ZC ZC1 NSJ/SUP FIX/Z 5.5% $10,074,103 ZC2 SUP FIX/Z 5.5 34,023,647 Segment:  For  purposes  of  calculating  distributions  of  principal,  certain  Classes  will  be apportioned as a Segment as follows: Segment Principal Type Original Principal Balance Related Classes 1 SUP/AD $45,704,730 YV and ZC1 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. B-146