Sensitivity of Class ID to Prepayments Assumed Price 54.13517%* PSA Prepayment Assumption Rates 125% 250% 375% 487% 500% 6.6% 6.6% 4.2% 0.0% (0.5)% Sensitivity of Class IE to Prepayments Assumed Price 53.60272%* PSA Prepayment Assumption Rates 125% 250% 375% 485% 500% 6.6% 6.6% 4.2% 0.0% (0.6)% Sensitivity of Class IG to Prepayments Assumed Price 52.98370%* PSA Prepayment Assumption Rates 125% 250% 375% 482% 500% 6.6% 6.6% 4.2% 0.0% (0.7)% Sensitivity of Class IH to Prepayments Assumed Price 51.38515%* PSA Prepayment Assumption Rates 125% 250% 375% 476% 500% 6.7% 6.7% 4.1% 0.0% (1.1)% Sensitivity of Class IJ to Prepayments Assumed Price 50.32810%* PSA Prepayment Assumption Rates 125% 250% 375% 471% 500% 6.8% 6.8% 4.1% 0.0% (1.3)% Sensitivity of Class IK to Prepayments Assumed Price 49.01640%* PSA Prepayment Assumption Rates 125% 250% 375% 465% 500% 6.9% 6.9% 4.0% 0.0% (1.6)% Sensitivity of Class IL to Prepayments Assumed Price 47.34544%* PSA Prepayment Assumption Rates 125% 250% 375% 458% 500% 7.0% 7.0% 4.0% 0.0% (2.2)% * The price does not include accrued interest. Accrued interest has been added to the price in calculating the yields set forth in the table. S-46