| DEAL NAME | MSM 2007-14AR |
| Closing Date | 10/30/2007 |
| |
| Initial Collateral Characteristics | |
| Principal Balance ($) | 913,713,990 |
| |
| Sellers (Over 10%) | Morgan Stanley Mortgage Capital Inc.(38.24%),Morgan Stanley Credit Corporation(27.45%),American Home Mortgage Corp.(16.86%) |
| |
| Servicers (Over 10%) | Saxon Mortgage, Inc.(57.29%),Morgan Stanley Credit Corporation(27.45%) |
| |
| Number of Loans | 1,536 |
| Avg Loan Balance ($) | 594,866 |
| |
| Fixed/Floating | |
| % FRM | - |
| % ARM | 100 |
| % Short Arm | 0.33 |
| % 3/1 or 3/6 | 3.75 |
| % 5/1 or 5/6 | 71.66 |
| % 7/1 or 7/6 | 12.77 |
| % 10/1 or 10/6 | 11.49 |
| |
| % IO | 91.98 |
| Wtd Avg IO Term (months) | 102.85 |
| |
| Wtd Avg Current Mortgage Rate (%) | 6.59 |
| < 4.00% | - |
| 4.0000% - 4.9999% | 0.2 |
| 5.0000% - 5.9999% | 15.42 |
| 6.0000% - 6.9999% | 60.71 |
| 7.0000% - 7.9999% | 19.2 |
| 8.0000% - 8.9999% | 4.27 |
| 9.0000% - 9.9999% | 0.18 |
| 10.0000% - 10.9999% | 0.02 |
| 11.000% + | - |
| |
| Non-Zero Wtd Avg Margin (%) | 2.25 |
| Non-Zero Wtd Avg Initial Cap (%) | 5.44 |
| Non-Zero Wtd Avg Periodic Cap (%) | 1.91 |
| |
| Lien Composition | |
| % 1st Lien | 100 |
| % 2nd Lien | - |
| |
| Non-Zero Wtd Avg FICO | 722 |
| % FICO below 660 (inc. N/A) | 9.56 |
| % FICO below 620 (inc. N/A) | 1.68 |
| |
| Wtd Avg Orig LTV | 76.24 |
| % LTV > 80 | 9.96 |
| % LTV > 90 | 6.7 |
| % LTV > 95 | 5.58 |
| |
| Documentation Level | |
| % Full/Alt Documentation | 45.06 |
| % Stated Documentation | 3.56 |
| % Limited Documentation | 40.03 |
| % No Documentation | 3.24 |
| % No Ratio Documentation | 5.59 |
| % Lite Documentation | 2.52 |
| |
| % Owner Occupied | 85.39 |
| % Investor | 7.38 |
| % Second Home | 7.23 |
| |
| Loan Purpose | |
| % Cashout Refinance | 21.97 |
| % Purchase | 56.07 |
| % Rate Term Refinance | 21.96 |
| |
| State Concentration (Over 5%) | CA(43.91%),NY(7.20%) |
| |
| % Prepay Penalty | 15.99 |
| |
| Wtd Avg Std Orig Term (months) | 360 |
| Wtd Avg Std Rem Term (months) | 354.8 |
| Wtd Average Loan Age (months) | 5.2 |
