| DEAL NAME | MSAC 2005-WMC1 |
| Closing Date | 2/24/2005 |
| |
| Initial Collateral Characteristics | |
| Principal Balance ($) | 1,147,757,233 |
| |
| Sellers | WMC (100.00%) |
| Servicers | CW(100.00%) |
| |
| Number of Loans | 6291 |
| Avg Loan Balance ($) | 182,444 |
| |
| Fixed/Floating | |
| % FRM | 19.89 |
| % ARM | 80.11 |
| |
| %IO | 21.47 |
| Wtd Avg IO Term (months) | 60 |
| |
| Wtd Avg Current Mortgage Rate (%) | 7.110 |
| Non-Zero Wtd Avg Margin (%) | 6.096 |
| Non-Zero Wtd Avg Initial Cap (%) | 2.050 |
| Non-Zero Wtd Avg Periodic Cap (%) | 1.006 |
| |
| Lien Composition | |
| % 1st Lien | 90.04 |
| % 2nd Lien | 9.96 |
| |
| Non-Zero Wtd Avg FICO | 639 |
| % FICO below 600 (inc. N/A) | 24.11 |
| % FICO below 550 (inc. N/A) | 7.13 |
| |
| Wtd Avg Comb Orig LTV | 82.15 |
| % CLTV > 80 | 35.55 |
| % CLTV > 90 | 16.61 |
| % CLTV > 95 | 9.20 |
| |
| % Silent Seconds | 41.60 |
| CLTV incl. all simul. liens (%) | 90.25 |
| |
| Documentation Level | |
| % Full Documentation | 46.98 |
| % Stated Documentation | 39.85 |
| % Limited Documentation | 8.49 |
| % Lite Documentation | 4.68 |
| |
| % Owner Occupied | 94.66 |
| |
| Loan Purpose | |
| % Cashout Refinance | 36.60 |
| % Purchase | 51.09 |
| % Rate Term Refinance | 12.31 |
| |
| State Concentration (Over 5%) | CA(55.95%),NY(5.68%) |
| |
| % Prepay Penalty | 72.66 |
| |
| Wtd Avg Std Orig Term (months) | 341 |
| Wtd Avg Std Rem Term (months) | 337 |
| Wtd Average Loan Age (months) | 3 |
