Base Offering Circular – Multifamily 58 APPENDIX I October 1, 2004 CLASS TYPES The following list contains standard abbreviations used to describe certain class types.   The definitions of the class types may be found in Appendix II.  The definitions are not intended as descriptions of the material risks associated with any Class.  For a discussion of the risks associated with particular class types, investors should see “Risk Factors—Class Investment Considerations” in the related Offering Circular Supplement. Standard Abbreviation Category of Class Definition AD Accretion Directed CC Callable Class CPT Component NPR No Payment Residual NSJ Non-Sticky Jump NTL Notional PAC PAC (or Planned Amortization Class) PT Pass-Through SC Structured Collateral SCH Scheduled SEQ Sequential Pay SJ Sticky Jump STP Strip SUP Support (or Companion) TAC TAC (or Targeted Amortization Class) XAC Index Allocation