Sensitivity of Class SC to Prepayments Assumed Price 9.0625%* PSA Prepayment Assumption Rates LIBOR 125% 220% 250% 500% 2.2% .................................... 47.6% 47.6% 47.6% 43.3% 3.2% .................................... 34.4% 34.4% 34.4% 27.9% 5.2% .................................... 4.4% 4.4% 4.4%   (11.0)% 6.2% and above ................ ** ** ** ** Sensitivity of Class SJ to Prepayments Assumed Price 10.5625%* PSA Prepayment Assumption Rates LIBOR 125% 220% 250% 500% 2.2% .................................... 40.6% 40.6% 40.6% 39.0% 3.2% .................................... 29.8% 29.8% 29.8% 27.0% 5.2% .................................... 6.5% 6.5% 6.5%   (1.3)% 6.2% and above ................ ** ** ** ** Sensitivity of Class UI to Prepayments Assumed Price 29.0%* PSA Prepayment Assumption Rates 125% 220% 250% 500% 582% 16.0% 16.0% 16.0% 4.7% 0.0% Sensitivity of Class WI to Prepayments Assumed Price 28.0%* PSA Prepayment Assumption Rates 125% 220% 250% 500% 519% 15.0% 15.0% 15.0% 1.3% 0.0% SECURITY GROUP 3 Sensitivity of Class NS to Prepayments Assumed Price 4.6875%* PSA Prepayment Assumption Rates LIBOR 250% 502% 800% 1050% 2.09%.................................. 85.3% 67.3% 44.1% 22.7% 3.09%.................................. 58.2% 40.7% 18.1%   (2.9)% 5.09%.................................. 8.1%   (8.8)%   (31.0)%   (52.2)% 6.20% and above.............. ** ** ** ** *  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-32