Sensitivity of Class SG to Prepayments Assumed Price 4.65625%* PSA Prepayment Assumption Rates LIBOR 150% 297% 450% 600% 4.32% .......................................... 44.4% 37.2% 29.6% 22.0% 5.32% .......................................... 19.2% 11.4% 3.0%   (5.5)% 6.32% ..........................................   (7.4)%   (15.9)%   (25.3)%   (35.0)% 6.58% and above ...................... ** ** ** ** Sensitivity of Class SP to Prepayments Assumed Price 99.93750%* PSA Prepayment Assumption Rates LIBOR 150% 297% 450% 600% 4.32%  .......................................... 13.9% 13.9% 13.8% 13.8% 5.32%  .......................................... 7.7% 7.7% 7.7% 7.7% 6.32%  .......................................... 1.6% 1.6% 1.7% 1.7% 6.58% and above ...................... 0.1% 0.1% 0.1% 0.2% SECURITY GROUP 2 Sensitivity of Class JI to Prepayments Assumed Price 0.37500%* PSA Prepayment Assumption Rates LIBOR 100% 247% 300% 500% 6.700% and below .................... 5.3% 5.3% 5.3%   (4.1)% 6.735% ........................................   (7.3)%   (7.3)%   (7.3)%   (18.4)% 6.770% and above .................... ** ** ** ** SECURITY GROUP 3 Sensitivity of Class JS to Prepayments Assumed Price 94.25000%* PSA Prepayment Assumption Rates LIBOR 100% 225% 300% 500% 4.61125% .................................... 9.2% 9.2% 9.2% 9.6% 5.61125% .................................... 5.3% 5.3% 5.3% 5.7% 6.61125% .................................... 1.4% 1.4% 1.4% 1.9% 6.75000% and above ................ 0.9% 0.9% 0.9% 1.3% * The price does not include accrued interest. Accrued interest has been added to the price in calculating the yields set forth in the table. **  Indicates that investors will suffer a loss of virtually all of their investment. S-25