Sensitivity of Class KH to Prepayments Assumed Price 106.50027%* PSA Prepayment Assumption Rates LIBOR 100% 270% 300% 550% 4.2375% .................................... 7.4% 7.4% 7.4% 6.9% 5.2375% .................................... 3.8% 3.8% 3.8% 3.3% 6.2375% .................................... 0.3% 0.3% 0.3%   (0.2)% 6.5500% and above ................              (0.8)%   (0.8)%   (0.8)%   (1.3)% Sensitivity of Class KI to Prepayments Assumed Price 8.46259%* PSA Prepayment Assumption Rates LIBOR 100% 270% 300% 550% 4.2375% .................................... 16.5% 16.5% 16.5% 6.8% 5.2375% .................................... 1.7% 1.7% 1.7%    (10.6)% 6.2375% ....................................              (16.7)%    (16.7)%    (16.7)%    (31.9)% 6.5500% and above ................ ** ** ** ** Sensitivity of Class KL to Prepayments Assumed Price 110.73157%* PSA Prepayment Assumption Rates LIBOR 100% 270% 300% 550% 4.2375% .................................... 7.7% 7.7% 7.7% 6.9% 5.2375% .................................... 3.8% 3.8% 3.8% 3.0% 6.2375% ....................................              (0.1)%    (0.1)%    (0.1)%    (1.0)% 6.5500% and above ................              (1.4)%    (1.4)%    (1.4)%    (2.2)% Sensitivity of Class KM to Prepayments Assumed Price 112.84722%* PSA Prepayment Assumption Rates LIBOR 100% 270% 300% 550% 4.2375% .................................... 7.9% 7.9% 7.9% 6.9% 5.2375% .................................... 3.7% 3.7% 3.7% 2.8% 6.2375% ....................................              (0.3)%   (0.3)%   (0.3)%   (1.3)% 6.5500% and above ................              (1.6)%   (1.6)%   (1.6)%   (2.6)% *    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-38