| DEAL NAME | MSAC 2006-WMC1 |
| Closing Date | 1/26/2006 |
| |
| Initial Collateral Characteristics | |
| Principal Balance ($) | 1,142,846,602 |
| |
| Sellers | WMC(100.00%) |
| Servicers | CH(100.00%) |
| |
| Number of Loans | 5,765 |
| Avg Loan Balance ($) | 198,238 |
| |
| Fixed/Floating | |
| % FRM | 16.07 |
| % ARM | 83.93 |
| |
| %IO | 17.29 |
| Wtd Avg IO Term (months) | 63 |
| |
| Wtd Avg Current Mortgage Rate (%) | 7.221 |
| Non-Zero Wtd Avg Margin (%) | 6.360 |
| Non-Zero Wtd Avg Initial Cap (%) | 3.013 |
| Non-Zero Wtd Avg Periodic Cap (%) | 1.002 |
| |
| Lien Composition | |
| % 1st Lien | 90.12 |
| % 2nd Lien | 9.88 |
| |
| Non-Zero Wtd Avg FICO | 641 |
| % FICO below 600 (inc. N/A) | 20.74 |
| % FICO below 550 (inc. N/A) | 6.43 |
| |
| Wtd Avg Comb Orig LTV | 82.21 |
| % CLTV > 80 | 31.58 |
| % CLTV > 90 | 15.54 |
| % CLTV > 95 | 9.36 |
| |
| % Silent Seconds | 8.78 |
| CLTV incl. all simul. liens (%) | 91.43 |
| |
| Documentation Level | |
| % Full Documentation | 46.63 |
| % Stated Documentation | 50.18 |
| % Limited Documentation | 3.18 |
| |
| % Owner Occupied | 95.37 |
| |
| Loan Purpose | |
| % Cashout Refinance | 42.94 |
| % Purchase | 54.42 |
| % Rate Term Refinance | 2.64 |
| |
| State Concentration (Over 5%) | CA(46.80%),NY(6.36%),FL(5.77%),MD(5.74%) |
| |
| % Prepay Penalty | 66.31 |
| |
| Wtd Avg Std Orig Term (months) | 342 |
| Wtd Avg Std Rem Term (months) | 338 |
| Wtd Average Loan Age (months) | 4 |