| DEAL NAME | MSM 2006-8AR |
| Closing Date | 5/31/2006 |
| |
| Initial Collateral Characteristics | |
| Principal Balance ($) | 791,943,630 |
| |
| Sellers (Over 10%) | Morgan Stanley Credit Corporation(52.64%),Morgan Stanley Mortgage Capital Inc.(38.95%) |
| |
| Servicers (Over 10%) | Morgan Stanley Credit Corporation(52.64%),GMAC Mortgage Corporation(41.19%) |
| |
| Number of Loans | 1,469 |
| Avg Loan Balance ($) | 539,104 |
| |
| Fixed/Floating | |
| % FRM | 0 |
| % ARM | 100 |
| % Short Arm | 1.51 |
| % 3/1 or 3/6 | 12.06 |
| % 5/1 or 5/6 | 55.8 |
| % 7/1 or 7/6 | 14.75 |
| % 10/1 or 10/6 | 15.87 |
| |
| % IO | 93.95 |
| Wtd Avg IO Term (months) | 83 |
| |
| Wtd Avg Current Mortgage Rate (%) | 6.311 |
| < 4.00% | 0 |
| 4.0000% - 4.9999% | 0.19 |
| 5.0000% - 5.9999% | 42.31 |
| 6.0000% - 6.9999% | 36.42 |
| 7.0000% - 7.9999% | 17.63 |
| 8.0000% - 8.9999% | 2.82 |
| 9.0000% - 9.9999% | 0.63 |
| 10.0000% - 10.9999% | 0 |
| 11.000% + | 0 |
| |
| Non-Zero Wtd Avg Margin (%) | 2.263 |
| Non-Zero Wtd Avg Initial Cap (%) | 5.714 |
| Non-Zero Wtd Avg Periodic Cap (%) | 1.956 |
| |
| Lien Composition | |
| % 1st Lien | 100 |
| % 2nd Lien | 0 |
| |
| Non-Zero Wtd Avg FICO | 717 |
| % FICO below 660 (inc. N/A) | 13.95 |
| % FICO below 620 (inc. N/A) | 1.42 |
| |
| Wtd Avg Orig LTV | 70.71 |
| % LTV > 80 | 5.51 |
| % LTV > 90 | 3.37 |
| % LTV > 95 | 3.16 |
| |
| Documentation Level | |
| % Full/Alt Documentation | 32.28 |
| % Stated Documentation | 2.87 |
| % Limited Documentation | 30.35 |
| % No Documentation | 3.57 |
| % No Ratio Documentation | 7.4 |
| % Lite Documentation | 23.52 |
| |
| % Owner Occupied | 76.13 |
| % Investor | 8.85 |
| % Second Home | 15.02 |
| |
| Loan Purpose | |
| % Cashout Refinance | 40.12 |
| % Purchase | 42.78 |
| % Rate Term Refinance | 17.1 |
| |
| State Concentration (Over 5%) | CA(34.73%),FL(13.75%),NY(7.69%) |
| |
| % Prepay Penalty | 18.77 |
| |
| Wtd Avg Std Orig Term (months) | 360 |
| Wtd Avg Std Rem Term (months) | 357 |
| Wtd Average Loan Age (months) | 3 |
