| DEAL NAME | Morgan Stanley Mortgage Loan Trust 2007-4SL |
| Closing Date | 2/28/2007 |
| Collateral Factor Date | 2/1/2009 |
| |
| Performance Summary | |
| Current Pool Factor | 57.97% |
| |
| Delinquency Status (*) | |
| 30+ Days | 34.19% |
| 60+ Days | 29.12% |
| 90+ Days | 24.85% |
| 120+ Days | 0.00% |
| |
| Bankruptcy | 0.00% |
| Foreclosure | 0.00% |
| REO | 0.00% |
| |
| Cumulative Net Loss | 22.18% |
| Loss Severity | 97.23% |
| |
| Prepayment Experience | |
| 1mo CPR | 8.26% |
| 3mo CPR | 23.19% |
| 6mo CPR | 25.11% |
| 9mo CPR | 27.37% |
| 12mo CPR | 26.49% |
| Life CPR | 23.55% |
|