| DEAL NAME | MSDWCI 2003-HYB1 |
| Closing Date | 2/27/2003 |
| |
| Initial Collateral Characteristics | |
| Principal Balance ($) | 229,567,409 |
| |
| Sellers (Over 10%) | Morgan Stanley Dean Witter Credit Corporation(100.00%) |
| |
| Servicers (Over 10%) | Morgan Stanley Dean Witter Credit Corporation(100.00%) |
| |
| Number of Loans | 464 |
| Avg Loan Balance ($) | 494,757 |
| |
| Fixed/Floating | |
| % FRM | 0.00 |
| % ARM | 100.00 |
| % Short Arm | 0.00 |
| % 3/1 or 3/6 | 0.00 |
| % 5/1 or 5/6 | 100.00 |
| % 7/1 or 7/6 | 0.00 |
| % 10/1 or 10/6 | 0.00 |
| |
| %IO | 100.00 |
| Wtd Avg IO Term (months) | 60 |
| |
| Wtd Avg Current Mortgage Rate (%) | 5.050 |
| < 4.00% | 0.00 |
| 4.001% - 5.000% | 66.96 |
| 5.001% - 6.000% | 31.83 |
| 6.001% - 7.000% | 1.21 |
| 7.001% - 8.000% | 0.00 |
| 8.001% - 9.000% | 0.00 |
| 9.001% - 10.000% | 0.00 |
| > 10.001% | 0.00 |
| |
| Non-Zero Wtd Avg Margin (%) | 2.000 |
| Non-Zero Wtd Avg Initial Cap (%) | 6.000 |
| Non-Zero Wtd Avg Periodic Cap (%) | 2.000 |
| |
| Lien Composition | |
| % 1st Lien | 100.00 |
| % 2nd Lien | 0.00 |
| |
| Non-Zero Wtd Avg FICO | 718 |
| % FICO below 650 (inc. N/A) | 14.39 |
| % FICO below 625 (inc. N/A) | 7.56 |
| |
| Wtd Avg Orig LTV | 67.83 |
| % LTV > 80 | 8.62 |
| % LTV > 90 | 8.03 |
| % LTV > 95 | 7.10 |
| |
| Documentation Level | |
| % Full Documentation | 0.45 |
| % Alternative Documentation | 42.43 |
| % Preferred Alternative | 35.24 |
| % No Income/No Asset Documentation | 0.41 |
| % Streamlined Documentation | 18.59 |
| % No Ratio Documentation | 2.88 |
| |
| % Owner Occupied | 88.16 |
| % Investor | 2.17 |
| % Second Home | 9.66 |
| |
| Loan Purpose | |
| % Limited Cashout | 35.29 |
| % Cashout Refinance | 31.99 |
| % Purchase | 17.11 |
| % Rate Term Refinance | 15.23 |
| % Other | 0.38 |
| % Home Improvement | 0.00 |
| |
| State Concentration (Over 5%) | CA(35.06%),NY(10.16%),NJ(7.34%),FL(6.87%) |
| |
| % Prepay Penalty | 0.00 |
| |
| Wtd Avg Std Orig Term (months) | 360 |
| Wtd Avg Std Rem Term (months) | 358 |
| Wtd Average Std Loan Age (months) | 2 |
