| DEAL NAME | MSM 2004-10AR |
| Closing Date | 10/29/2004 |
| |
| Initial Collateral Characteristics | |
| Principal Balance ($) | 372,976,461 |
| |
| Sellers (Over 10%) | Morgan Stanley Mortgage Capital Inc.(62.52%),Chevy Chase Bank, F.S.B.(18.49%),Morgan Stanley Credit Corporation(11.36%) |
| |
| Servicers (Over 10%) | Option One Mortgage Corporation(62.52%),Chevy Chase Bank, F.S.B.(18.49%),Morgan Stanley Credit Corporation(11.36%) |
| |
| Number of Loans | 1,339 |
| Avg Loan Balance ($) | 278,549 |
| |
| Fixed/Floating | |
| % FRM | 0 |
| % ARM | 100 |
| % Short Arm | 0 |
| % 3/1 or 3/6 | 13.77 |
| % 5/1 or 5/6 | 79.08 |
| % 7/1 or 7/6 | 7.15 |
| % 10/1 or 10/6 | 0 |
| |
| % IO | 82.8 |
| Wtd Avg IO Term (months) | 89 |
| |
| Wtd Avg Current Mortgage Rate (%) | 5.35 |
| < 4.00% | 0.19 |
| 4.0000% - 4.9999% | 11.93 |
| 5.0000% - 5.9999% | 85.33 |
| 6.0000% - 6.9999% | 2.55 |
| 7.0000% - 7.9999% | 0 |
| 8.0000% - 8.9999% | 0 |
| 9.0000% - 9.9999% | 0 |
| 10.0000% - 10.9999% | 0 |
| 11.000% + | 0 |
| |
| Non-Zero Wtd Avg Margin (%) | 2.351 |
| Non-Zero Wtd Avg Initial Cap (%) | 5.432 |
| Non-Zero Wtd Avg Periodic Cap (%) | 1.734 |
| |
| Lien Composition | |
| % 1st Lien | 100 |
| % 2nd Lien | 0 |
| |
| Non-Zero Wtd Avg FICO | 717 |
| % FICO below 660 (inc. N/A) | 12.51 |
| % FICO below 620 (inc. N/A) | 2.51 |
| |
| Wtd Avg Orig LTV | 74.26 |
| % LTV > 80 | 5.87 |
| % LTV > 90 | 3.92 |
| % LTV > 95 | 2.81 |
| |
| Documentation Level | |
| % Full/Alt Documentation | 59.2 |
| % Stated Documentation | 0.52 |
| % Limited Documentation | 29.37 |
| % No Documentation | 4.83 |
| % No Ratio Documentation | 1.55 |
| % Lite Documentation | 4.08 |
| |
| % Owner Occupied | 89.21 |
| % Investor | 5.85 |
| % Second Home | 4.94 |
| |
| Loan Purpose | |
| % Cashout Refinance | 22.03 |
| % Purchase | 64.05 |
| % Rate Term Refinance | 13.92 |
| |
| State Concentration (Over 5%) | CA(30.34%),VA(10.64%),FL(8.18%),AZ(7.53%),MD(5.74%) |
| |
| % Prepay Penalty | 45.7 |
| |
| Wtd Avg Std Orig Term (months) | 360 |
| Wtd Avg Std Rem Term (months) | 358 |
| Wtd Average Loan Age (months) | 2 |