Sensitivity of Class JI to Prepayments Assumed Price 16.25%* PSA Prepayment Assumption Rates 100% 120% 175% 300% 400% 20.0% 1.2% (14.8)% (20.5)% (40.2)% SECURITY GROUP 3 Sensitivity of Class EB to Prepayments Assumed Price 46.0% PSA Prepayment Assumption Rates 75% 150% 250% 400% 3.3% 5.6% 27.2% 58.4% SECURITY GROUP 4 Sensitivity of Class IY to Prepayments Assumed Price 14.81%* PSA Prepayment Assumption Rates 75% 150% 250% 256% 400% 13.1% 3.0% 0.1% 0.0% (11.9)% SECURITY GROUPS 4 AND 12 Sensitivity of Class IW to Prepayments Assumed Price 18.19716%* PSA Prepayment Assumption Rates 75% 150% 250% 400% 487% 18.3% 10.6% 10.4% 6.2% 0.0% SECURITY GROUP 5 Sensitivity of Class EC to Prepayments Assumed Price 71.46875% PSA Prepayment Assumption Rates 100% 225% 350% 500% 4.5% 5.9% 7.5% 10.0% *  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-40