| DEAL NAME | MSM 2005-3AR |
| Closing Date | 6/30/2005 |
| |
| Initial Collateral Characteristics | |
| Principal Balance ($) | 826,825,948 |
| |
| Sellers (Over 10%) | Greenpoint Mortgage Funding, Inc.(51.11%),Morgan Stanley Mortgage Capital Inc.(25.23%),Morgan Stanley Credit Corporation(12.15%) |
| |
| Servicers (Over 10%) | Greenpoint Mortgage Funding, Inc.(51.11%),GMAC Mortgage Corporation(22.96%),Morgan Stanley Credit Corporation(12.15%),Option One Mortgage Corporation(10.77%) |
| |
| Number of Loans | 2,485 |
| Avg Loan Balance ($) | 332,727 |
| |
| Fixed/Floating | |
| % FRM | 0 |
| % ARM | 100 |
| % Short Arm | 0 |
| % 3/1 or 3/6 | 65.53 |
| % 5/1 or 5/6 | 22.43 |
| % 7/1 or 7/6 | 7.03 |
| % 10/1 or 10/6 | 5 |
| |
| % IO | 93.67 |
| Wtd Avg IO Term (months) | 104 |
| |
| Wtd Avg Current Mortgage Rate (%) | 5.667 |
| < 4.00% | 0 |
| 4.0000% - 4.9999% | 4.54 |
| 5.0000% - 5.9999% | 73.24 |
| 6.0000% - 6.9999% | 21.24 |
| 7.0000% - 7.9999% | 0.98 |
| 8.0000% - 8.9999% | 0 |
| 9.0000% - 9.9999% | 0 |
| 10.0000% - 10.9999% | 0 |
| 11.000% + | 0 |
| |
| Non-Zero Wtd Avg Margin (%) | 2.243 |
| Non-Zero Wtd Avg Initial Cap (%) | 5.364 |
| Non-Zero Wtd Avg Periodic Cap (%) | 1.511 |
| |
| Lien Composition | |
| % 1st Lien | 100 |
| % 2nd Lien | 0 |
| |
| Non-Zero Wtd Avg FICO | 716 |
| % FICO below 660 (inc. N/A) | 6.34 |
| % FICO below 620 (inc. N/A) | 0.37 |
| |
| Wtd Avg Orig LTV | 75.36 |
| % LTV > 80 | 2.29 |
| % LTV > 90 | 1.3 |
| % LTV > 95 | 1.03 |
| |
| Documentation Level | |
| % Full/Alt Documentation | 19.11 |
| % Stated Documentation | 0.37 |
| % Limited Documentation | 67.24 |
| % No Documentation | 4.41 |
| % No Ratio Documentation | 4.52 |
| % Lite Documentation | 4.35 |
| |
| % Owner Occupied | 89.34 |
| % Investor | 7.57 |
| % Second Home | 3.09 |
| |
| Loan Purpose | |
| % Cashout Refinance | 25.2 |
| % Purchase | 58.26 |
| % Rate Term Refinance | 16.55 |
| |
| State Concentration (Over 5%) | CA(56.89%) |
| |
| % Prepay Penalty | 25.23 |
| |
| Wtd Avg Std Orig Term (months) | 360 |
| Wtd Avg Std Rem Term (months) | 357 |
| Wtd Average Loan Age (months) | 3 |