| DEAL NAME | MSAC 2007-HE7 |
| Closing Date | 9/28/2007 |
| |
| Initial Collateral Characteristics | |
| Principal Balance ($) | 1,560,798,873 |
| |
| Sellers | NC(63.28%),AHL(15.35%),FNLC(14.37%),DO(6.95%) |
| Servicers | SX(88.90%),CW(11.04%) |
| |
| Number of Loans | 7,676 |
| Avg Loan Balance ($) | 203,334 |
| |
| Fixed/Floating | |
| % FRM | 22.77 |
| % ARM | 77.23 |
| |
| %IO | 16.85 |
| Wtd Avg IO Term (months) | 60 |
| |
| Wtd Avg Current Mortgage Rate (%) | 8.370 |
| Non-Zero Wtd Avg Margin (%) | 6.259 |
| Non-Zero Wtd Avg Initial Cap (%) | 1.968 |
| Non-Zero Wtd Avg Periodic Cap (%) | 1.469 |
| |
| Lien Composition | |
| % 1st Lien | 97.01 |
| % 2nd Lien | 2.99 |
| |
| Non-Zero Wtd Avg FICO | 622 |
| % FICO below 600 (inc. N/A) | 32.04 |
| % FICO below 550 (inc. N/A) | 11.87 |
| |
| Wtd Avg Comb Orig LTV | 82.78 |
| % CLTV > 80 | 50.71 |
| % CLTV > 90 | 17.52 |
| % CLTV > 95 | 4.80 |
| |
| % Silent Seconds | 15.69 |
| CLTV incl. all simul. liens (%) | 86.72 |
| |
| Documentation Level | |
| % Full Documentation | 53.00 |
| % Stated Documentation | 46.09 |
| % Limited Documentation | 0.91 |
| |
| % Owner Occupied | 90.39 |
| |
| Loan Purpose | |
| % Cashout Refinance | 56.40 |
| % Purchase | 29.36 |
| % Rate Term Refinance | 14.24 |
| |
| State Concentration (Over 5%) | CA(28.10%),FL(10.14%),NY(5.64%),TX(5.21%) |
| |
| % Prepay Penalty | 71.57 |
| |
| Wtd Avg Std Orig Term (months) | 358 |
| Wtd Avg Std Rem Term (months) | 351 |
| Wtd Average Loan Age (months) | 7 |
