| DEAL NAME | MSM 2007-13 |
| Closing Date | 9/28/2007 |
| |
| Initial Collateral Characteristics | |
| Principal Balance ($) | 601,028,679 |
| |
| Sellers (Over 10%) | Morgan Stanley Mortgage Capital Inc.(69.27%),Fifth Third Mortgage Company(13.42%) |
| |
| Servicers (Over 10%) | Saxon Mortgage, Inc.(66.93%),Fifth Third Mortgage Company(13.42%),GMAC Mortgage Corporation(12.35%) |
| |
| Number of Loans | 1,316 |
| Avg Loan Balance ($) | 456,709 |
| |
| Fixed/Floating | |
| % FRM | 100 |
| % ARM | - |
| % Short Arm | - |
| % 3/1 or 3/6 | - |
| % 5/1 or 5/6 | - |
| % 7/1 or 7/6 | - |
| % 10/1 or 10/6 | - |
| |
| % IO | 41.59 |
| Wtd Avg IO Term (months) | 119.72 |
| |
| Wtd Avg Current Mortgage Rate (%) | 6.89 |
| < 4.00% | - |
| 4.0000% - 4.9999% | - |
| 5.0000% - 5.9999% | 4.27 |
| 6.0000% - 6.9999% | 61.26 |
| 7.0000% - 7.9999% | 26.26 |
| 8.0000% - 8.9999% | 7.2 |
| 9.0000% - 9.9999% | 0.88 |
| 10.0000% - 10.9999% | 0.04 |
| 11.000% + | 0.09 |
| |
| Non-Zero Wtd Avg Margin (%) | - |
| Non-Zero Wtd Avg Initial Cap (%) | - |
| Non-Zero Wtd Avg Periodic Cap (%) | - |
| |
| Lien Composition | |
| % 1st Lien | 100 |
| % 2nd Lien | - |
| |
| Non-Zero Wtd Avg FICO | 722.8 |
| % FICO below 660 (inc. N/A) | 9.69 |
| % FICO below 620 (inc. N/A) | 0.24 |
| |
| Wtd Avg Orig LTV | 74.32 |
| % LTV > 80 | 14.93 |
| % LTV > 90 | 9.2 |
| % LTV > 95 | 6.54 |
| |
| Documentation Level | |
| % Full/Alt Documentation | 34.73 |
| % Stated Documentation | 7.86 |
| % Limited Documentation | 35.11 |
| % No Documentation | 10.12 |
| % No Ratio Documentation | 10.9 |
| % Lite Documentation | 1.28 |
| |
| % Owner Occupied | 82.94 |
| % Investor | 11.44 |
| % Second Home | 5.62 |
| |
| Loan Purpose | |
| % Cashout Refinance | 35.39 |
| % Purchase | 41.64 |
| % Rate Term Refinance | 22.97 |
| |
| State Concentration (Over 5%) | CA(37.60%),NY(10.62%),FL(6.28%) |
| |
| % Prepay Penalty | 18.68 |
| |
| Wtd Avg Std Orig Term (months) | 355 |
| Wtd Avg Std Rem Term (months) | 351.9 |
| Wtd Average Loan Age (months) | 3.2 |
