| DEAL NAME | Morgan Stanley Mortgage Loan Trust 2007-4SL |
| Closing Date | 2/28/2007 |
| Collateral Factor Date | 5/1/2009 |
| |
| Performance Summary | |
| Current Pool Factor | 49.15% |
| |
| Delinquency Status (*) | |
| 30+ Days | 31.33% |
| 60+ Days | 27.25% |
| 90+ Days | 23.73% |
| 120+ Days | 0.00% |
| |
| Bankruptcy | 0.00% |
| Foreclosure | 0.00% |
| REO | 0.00% |
| |
| Cumulative Net Loss | 30.86% |
| Loss Severity | 100.00% |
| |
| Prepayment Experience | |
| 1mo CPR | 68.91% |
| 3mo CPR | 48.04% |
| 6mo CPR | 36.83% |
| 9mo CPR | 33.71% |
| 12mo CPR | 33.21% |
| Life CPR | 26.76% |
|