Sensitivity of Class SD to Prepayments Assumed Price 4.25%* PSA Prepayment Assumption Rates LIBOR 100% 295% 350% 600% 4.13%................................................ 54.7% 45.5% 42.8% 30.6% 5.13%................................................ 27.0% 16.9% 14.0% 0.3% 6.13%................................................          (0.9)%   (12.1)%   (15.4)%   (31.1)% 6.47% and above............................ ** ** ** ** Sensitivity of Class SF to Prepayments Assumed Price 108.984375% PSA Prepayment Assumption Rates LIBOR 100% 295% 350% 600% 7.00% and below  ..........................   (0.5)%   (1.9)%   (3.0)%   (5.1)% Above 7.00%  .................................. 53.4% 51.1% 50.3% 47.4% Sensitivity of Class SI to Prepayments Assumed Price 31.18750% PSA Prepayment Assumption Rates LIBOR 100% 295% 350% 600% 7.00% and below  .......................... ** ** ** ** Above 7.00%  .................................. 222.5% 202.8% 196.8% 167.4% Sensitivity of Class SP to Prepayments Assumed Price 6.375%* PSA Prepayment Assumption Rates LIBOR 100% 295% 350% 600% 4.13%................................................ 30.1% 30.1% 30.1% 22.3% 5.13%................................................ 10.3% 10.3% 10.3%   (0.8)% 6.13%................................................   (13.2)%   (13.2)%   (13.2)%   (30.2)% 6.67% and above............................ ** ** ** ** Sensitivity of Class SX to Prepayments Assumed Price 100.0% PSA Prepayment Assumption Rates LIBOR 100% 295% 350% 600% 7.00% and below  .......................... 0.0% 0.0% 0.0% 0.0% Above 7.00%  .................................. 43.0% 42.6% 42.4% 41.8% *    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