| DEAL NAME | Morgan Stanley Mortgage Loan Trust 2007-4SL |
| Closing Date | 2/28/2007 |
| Collateral Factor Date | 9/1/2009 |
| |
| Performance Summary | |
| Current Pool Factor | 39.38% |
| |
| Delinquency Status (*) | |
| 30+ Days | 23.31% |
| 60+ Days | 19.35% |
| 90+ Days | 15.84% |
| 120+ Days | 0.00% |
| |
| Bankruptcy | 0.00% |
| Foreclosure | 0.00% |
| REO | 0.00% |
| |
| Cumulative Net Loss | 39.96% |
| Loss Severity | 100.00% |
| |
| Prepayment Experience | |
| 1mo CPR | 53.43% |
| 3mo CPR | 48.18% |
| 6mo CPR | 51.93% |
| 9mo CPR | 43.58% |
| 12mo CPR | 39.76% |
| Life CPR | 29.99% |
|