| DEAL NAME | Morgan Stanley Mortgage Loan Trust 2007-4SL |
| Closing Date | 2/28/2007 |
| Collateral Factor Date | 5/1/2007 |
| |
| Performance Summary | |
| Current Pool Factor | 93.97% |
| |
| Delinquency Status (*) | |
| 30+ Days | 2.70% |
| 60+ Days | 1.30% |
| 90+ Days | 0.20% |
| 120+ Days | 0.00% |
| |
| Bankruptcy | 0.00% |
| Foreclosure | 0.00% |
| REO | 0.00% |
| |
| Cumulative Net Loss | 0.00% |
| Loss Severity | 0.00% |
| |
| Prepayment Experience | |
| 1mo CPR | 20.69% |
| 3mo CPR | 21.74% |
| Life CPR | 21.74% |
|