| DEAL NAME | MSM 2007-4SL |
| Closing Date | 2/28/2007 |
| |
| Initial Collateral Characteristics | |
| Principal Balance ($) | 304,711,327.18 |
| |
| Sellers | Morgan Stanley(99.52%) |
| Servicers | GMAC(100.00%) |
| |
| Number of Loans | 5,144 |
| Avg Loan Balance ($) | 59,236.26 |
| |
| Fixed/Floating | |
| % FRM | 100.00 |
| % ARM | 0.00 |
| % Balloon | 71.68 |
| % IO | 12.63 |
| Wtd Avg IO Term (months) | 89 |
| |
| Wtd Avg Current Mortgage Rate (%) | 11.466 |
| |
| Lien Composition | |
| % 1st Lien | 0.00 |
| % 2nd Lien | 100.00 |
| |
| Non-Zero Wtd Avg FICO | 702 |
| % FICO below 660 (inc. N/A) | 16.59 |
| % FICO below 620 (inc. N/A) | 0.25 |
| |
| Wtd Avg Comb Orig LTV | 97.03 |
| % LTV > 80 | 96.93 |
| % LTV > 90 | 85.53 |
| % LTV > 95 | 70.58 |
| |
| Wtd Avg Orig Junior LTV | 20.28 |
| % Junior LTV > 15 | 84.22 |
| % Junior LTV > 20 | 20.49 |
| |
| Documentation Level | |
| % Full Documentation | 16.17 |
| % Stated Documentation | 7.34 |
| % Limited Documentation | 45.84 |
| % No Documentation | 7.20 |
| |
| % Owner Occupied | 82.76 |
| % Investor Occupied | 12.90 |
| % Secondary Occupied | 4.34 |
| |
| Loan Purpose | |
| % Cashout Refinance | 17.90 |
| % Purchase | 78.98 |
| % Rate Term Refinance | 3.13 |
| |
| State Concentration (Over 5%) | CA(19.31%),NY(9.05%),FL(8.27%),MD(6.28%),VA(6.00%) |
| |
| % Prepay Penalty | 15.29 |
| |
| Wtd Avg Std Orig Term (months) | 218 |
| Wtd Avg Std Rem Term (months) | 213 |
| Wtd Average Loan Age (months) | 5 |
|
