| DEAL NAME | Morgan Stanley Mortgage Loan Trust 2007-4SL |
| Closing Date | 2/28/2007 |
| Collateral Factor Date | 1/1/2009 |
| |
| Performance Summary | |
| Current Pool Factor | 58.41% |
| |
| Delinquency Status (*) | |
| 30+ Days | 30.46% |
| 60+ Days | 25.63% |
| 90+ Days | 20.83% |
| 120+ Days | 0.00% |
| |
| Bankruptcy | 0.00% |
| Foreclosure | 0.00% |
| REO | 0.00% |
| |
| Cumulative Net Loss | 22.05% |
| Loss Severity | 100.00% |
| |
| Prepayment Experience | |
| 1mo CPR | 36.89% |
| 3mo CPR | 30.02% |
| 6mo CPR | 30.76% |
| 9mo CPR | 29.71% |
| 12mo CPR | 27.60% |
| Life CPR | 24.15% |
|