| DEAL NAME | MSAC 2007-NC4 |
| Closing Date | 6/20/2007 |
| |
| Initial Collateral Characteristics | |
| Principal Balance ($) | 1,050,781,456 |
| |
| Sellers | NC(100.00%) |
| Servicers | SX(100.00%) |
| |
| Number of Loans | 5,337 |
| Avg Loan Balance ($) | 196,886 |
| |
| Fixed/Floating | |
| % FRM | 20.85 |
| % ARM | 79.15 |
| |
| %IO | 12.94 |
| Wtd Avg IO Term (months) | 53 |
| |
| Wtd Avg Current Mortgage Rate (%) | 8.566 |
| Non-Zero Wtd Avg Margin (%) | 6.187 |
| Non-Zero Wtd Avg Initial Cap (%) | 1.844 |
| Non-Zero Wtd Avg Periodic Cap (%) | 1.792 |
| |
| Lien Composition | |
| % 1st Lien | 91.79 |
| % 2nd Lien | 8.21 |
| |
| Non-Zero Wtd Avg FICO | 632 |
| % FICO below 600 (inc. N/A) | 25.50 |
| % FICO below 550 (inc. N/A) | 9.23 |
| |
| Wtd Avg Comb Orig LTV | 84.91 |
| % CLTV > 80 | 54.41 |
| % CLTV > 90 | 29.45 |
| % CLTV > 95 | 9.75 |
| |
| % Silent Seconds | 21.07 |
| CLTV incl. all simul. liens (%) | 90.58 |
| |
| Documentation Level | |
| % Full Documentation | 44.64 |
| % Stated Documentation | 54.22 |
| % Limited Documentation | 1.14 |
| |
| % Owner Occupied | 90.54 |
| |
| Loan Purpose | |
| % Cashout Refinance | 37.18 |
| % Purchase | 40.59 |
| % Rate Term Refinance | 22.23 |
| |
| State Concentration (Over 5%) | CA(31.62%),NY(7.21%),FL(7.13%),TX(5.15%) |
| |
| % Prepay Penalty | 65.39 |
| |
| Wtd Avg Std Orig Term (months) | 360 |
| Wtd Avg Std Rem Term (months) | 356 |
| Wtd Average Loan Age (months) | 4 |
