| DEAL NAME | MSM 2006-6AR |
| Closing Date | 4/28/2006 |
| |
| Initial Collateral Characteristics | |
| Principal Balance ($) | 1,037,398,414 |
| |
| Sellers (Over 10%) | Morgan Stanley Mortgage Capital Inc.(79.85%) |
| |
| Servicers (Over 10%) | GMAC Mortgage Corporation(90.07%) |
| |
| Number of Loans | 3,167 |
| Avg Loan Balance ($) | 327,565 |
| |
| Fixed/Floating | |
| % FRM | 0 |
| % ARM | 100 |
| % Short Arm | 10.81 |
| % 3/1 or 3/6 | 7.29 |
| % 5/1 or 5/6 | 46.34 |
| % 7/1 or 7/6 | 19.14 |
| % 10/1 or 10/6 | 16.43 |
| |
| % IO | 87.43 |
| Wtd Avg IO Term (months) | 111 |
| |
| Wtd Avg Current Mortgage Rate (%) | 6.769 |
| < 4.00% | 0 |
| 4.0000% - 4.9999% | 0.46 |
| 5.0000% - 5.9999% | 12.92 |
| 6.0000% - 6.9999% | 53.45 |
| 7.0000% - 7.9999% | 26.3 |
| 8.0000% - 8.9999% | 5.77 |
| 9.0000% - 9.9999% | 1.05 |
| 10.0000% - 10.9999% | 0.04 |
| 11.000% + | 0 |
| |
| Non-Zero Wtd Avg Margin (%) | 2.611 |
| Non-Zero Wtd Avg Initial Cap (%) | 5.184 |
| Non-Zero Wtd Avg Periodic Cap (%) | 1.828 |
| |
| Lien Composition | |
| % 1st Lien | 100 |
| % 2nd Lien | 0 |
| |
| Non-Zero Wtd Avg FICO | 706 |
| % FICO below 660 (inc. N/A) | 17.38 |
| % FICO below 620 (inc. N/A) | 0.67 |
| |
| Wtd Avg Orig LTV | 74.93 |
| % LTV > 80 | 2.43 |
| % LTV > 90 | 0.7 |
| % LTV > 95 | 0.06 |
| |
| Documentation Level | |
| % Full/Alt Documentation | 16.86 |
| % Stated Documentation | 7.21 |
| % Limited Documentation | 51.99 |
| % No Documentation | 10.69 |
| % No Ratio Documentation | 12.01 |
| % Lite Documentation | 1.25 |
| |
| % Owner Occupied | 74.73 |
| % Investor | 20.35 |
| % Second Home | 4.92 |
| |
| Loan Purpose | |
| % Cashout Refinance | 29.54 |
| % Purchase | 60.2 |
| % Rate Term Refinance | 10.26 |
| |
| State Concentration (Over 5%) | CA(42.12%),FL(8.98%),NY(7.41%) |
| |
| % Prepay Penalty | 37.09 |
| |
| Wtd Avg Std Orig Term (months) | 360 |
| Wtd Avg Std Rem Term (months) | 357 |
| Wtd Average Loan Age (months) | 3 |
