Exhibit 99.1 MORGAN STANLEY DEAN WITTER 3,913 records Balance: 281,936,748 Amresco Residential Securities Mortgage Loan Trust 1998-3 Group 1 - -------------------------------------------------------------------------------- 1. Geographical Distribution of Mortgaged Properties - ---------------------------------------------------------------------------------------------------------------------- Number of Aggregate % of Aggregate Group I Group I Group I Geographical Distribution of Mortgaged Properties Mortgage Loans Loan Balance Loan Balance - ---------------------------------------------------------------------------------------------------------------------- Alaska 1 115,888.41 0.04 Arizona 57 2,887,332.14 1.02 Arkansas 94 4,466,369.90 1.58 California 539 48,947,491.58 17.36 Colorado 65 4,765,089.07 1.69 Connecticut 32 2,785,984.16 0.99 Delaware 4 337,965.55 0.12 District of Columbia 17 1,430,207.20 0.51 Florida 403 27,460,563.44 9.74 Georgia 123 9,302,013.45 3.30 Hawaii 175 26,604,778.83 9.44 Idaho 9 763,397.17 0.27 Illinois 96 6,205,821.74 2.20 Indiana 97 4,344,968.51 1.54 Iowa 5 206,034.75 0.07 Kansas 6 313,034.08 0.11 Kentucky 21 1,252,728.92 0.44 Louisiana 42 2,542,357.90 0.90 Maine 5 292,797.54 0.10 Maryland 195 14,178,051.03 5.03 Massachusetts 41 3,724,629.92 1.32 Michigan 117 7,142,388.06 2.53 Minnesota 25 1,382,161.14 0.49 Mississippi 57 2,663,775.89 0.94 Missouri 80 3,643,609.34 1.29 Montana 6 427,987.41 0.15 Nebraska 5 287,041.09 0.10 Nevada 32 2,862,523.38 1.02 New Hampshire 12 859,578.18 0.30 New Jersey 36 3,202,360.76 1.14 New Mexico 19 1,242,817.33 0.44 New York 45 4,248,153.16 1.51 North Carolina 80 4,576,538.93 1.62 Ohio 271 16,625,697.67 5.90 Oklahoma 61 3,218,603.13 1.14 Oregon 64 5,468,892.80 1.94 Pennsylvania 218 13,753,091.89 4.88 Rhode Island 8 701,433.58 0.25 South Carolina 21 927,401.16 0.33 South Dakota 1 59,786.54 0.02 Tennessee 89 5,026,459.43 1.78 Texas 433 25,768,102.03 9.14 Utah 44 3,154,600.54 1.12 Vermont 1 56,794.26 0.02 Virginia 53 3,991,932.03 1.42 Washington 47 4,332,179.44 1.54 West Virginia 5 201,372.34 0.07 Wisconsin 52 2,858,320.44 1.01 Wyoming 4 325,640.26 0.12 - ---------------------------------------------------------------------------------------------------------------------- Total: 3,913 281,936,747.50 100.00 - ---------------------------------------------------------------------------------------------------------------------- MORGAN STANLEY DEAN WITTER 3,913 records Balance: 281,936,748 Amresco Residential Securities Mortgage Loan Trust 1998-3 Group 1 - -------------------------------------------------------------------------------- 2. Combined Original Loan-to-Value Ratios - ---------------------------------------------------------------------------------------------------------------------- Number of Aggregate % of Aggregate Group I Group I Group I Combined Original Loan-to-Value Ratios Mortgage Loans Loan Balance Loan Balance - ---------------------------------------------------------------------------------------------------------------------- 10.01 - 20.00 18 626,278.43 0.22 20.01 - 30.00 50 1,924,560.31 0.68 30.01 - 40.00 83 4,031,512.49 1.43 40.01 - 50.00 161 8,952,806.17 3.18 50.01 - 60.00 291 15,944,146.25 5.66 60.01 - 70.00 813 50,678,040.80 17.97 70.01 - 75.00 547 40,501,933.99 14.37 75.01 - 80.00 825 62,160,876.40 22.05 80.01 - 85.00 535 44,128,886.76 15.65 85.01 - 90.00 432 38,382,664.45 13.61 90.01 - 95.00 158 14,605,041.45 5.18 - ---------------------------------------------------------------------------------------------------------------------- Total: 3,913 281,936,747.50 100.00 - ---------------------------------------------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 3. Cut-Off Date Coupon Rates - ---------------------------------------------------------------------------------------------------------------------- Number of Aggregate % of Aggregate Group I Group I Group I Cut-Off Date Coupon Rates Mortgage Loans Loan Balance Loan Balance - ---------------------------------------------------------------------------------------------------------------------- 7.000 and less 8 1,601,280.80 0.57 7.001 - 7.500 18 3,198,780.65 1.13 7.501 - 8.000 192 21,477,216.38 7.62 8.001 - 8.250 103 10,241,926.51 3.63 8.251 - 8.500 110 11,709,300.90 4.15 8.501 - 8.750 180 17,192,260.13 6.10 8.751 - 9.000 274 23,502,745.59 8.34 9.001 - 9.250 143 12,439,906.89 4.41 9.251 - 9.500 193 14,043,316.86 4.98 9.501 - 9.750 232 18,933,379.82 6.72 9.751 - 10.000 310 23,009,470.45 8.16 10.001 - 10.250 201 13,563,718.16 4.81 10.251 - 10.500 242 16,921,457.56 6.00 10.501 - 10.750 255 15,695,208.64 5.57 10.751 - 11.000 247 15,605,231.77 5.54 11.001 - 11.250 179 10,290,533.38 3.65 11.251 - 11.500 164 9,138,776.86 3.24 11.501 - 11.750 159 8,455,292.68 3.00 11.751 - 12.000 171 8,973,894.74 3.18 12.001 - 13.000 322 15,644,297.14 5.55 13.001 - 14.000 149 6,989,005.19 2.48 14.001 - 15.000 48 2,830,604.97 1.00 15.001 - 16.000 10 380,441.43 0.13 16.001 - 17.000 1 59,468.94 0.02 17.001 - 18.000 1 22,987.20 0.01 18.001 - 19.000 1 16,243.86 0.01 - ---------------------------------------------------------------------------------------------------------------------- Total: 3,913 281,936,747.50 100.00 - ---------------------------------------------------------------------------------------------------------------------- MORGAN STANLEY DEAN WITTER 3,913 records Balance: 281,936,748 Amresco Residential Securities Mortgage Loan Trust 1998-3 Group 1 - -------------------------------------------------------------------------------- 4. Cut-Off Date Loan Balances - ---------------------------------------------------------------------------------------------------------------------- Number of Aggregate % of Aggregate Group I Group I Group I Cut-Off Date Loan Balances Mortgage Loans Loan Balance Loan Balance - --------------------------------------------------------------------------------------------------------------------- 5,000.01 - 10,000.00 9 87,914.49 0.03 10,000.01 - 15,000.00 36 478,455.27 0.17 15,000.01 - 20,000.00 100 1,880,374.82 0.67 20,000.01 - 25,000.00 199 4,591,988.36 1.63 25,000.01 - 30,000.00 265 7,398,149.49 2.62 30,000.01 - 35,000.00 251 8,232,925.48 2.92 35,000.01 - 40,000.00 280 10,590,329.61 3.76 40,000.01 - 45,000.00 222 9,481,532.77 3.36 45,000.01 - 50,000.00 252 12,014,604.27 4.26 50,000.01 - 55,000.00 209 11,014,804.67 3.91 55,000.01 - 60,000.00 228 13,167,741.80 4.67 60,000.01 - 65,000.00 183 11,474,262.98 4.07 65,000.01 - 70,000.00 160 10,821,928.46 3.84 70,000.01 - 75,000.00 120 8,732,886.03 3.10 75,000.01 - 80,000.00 138 10,719,060.29 3.80 80,000.01 - 85,000.00 120 9,922,049.69 3.52 85,000.01 - 90,000.00 98 8,581,951.06 3.04 90,000.01 - 95,000.00 88 8,140,170.89 2.89 95,000.01 - 100,000.00 98 9,558,169.03 3.39 100,000.01 - 105,000.00 95 9,759,703.35 3.46 105,000.01 - 110,000.00 74 7,958,571.34 2.82 110,000.01 - 115,000.00 63 7,095,685.20 2.52 115,000.01 - 120,000.00 65 7,667,925.20 2.72 120,000.01 - 125,000.00 64 7,835,595.90 2.78 125,000.01 - 130,000.00 49 6,253,063.77 2.22 130,000.01 - 135,000.00 52 6,894,168.29 2.45 135,000.01 - 140,000.00 36 4,962,707.66 1.76 140,000.01 - 145,000.00 31 4,431,607.58 1.57 145,000.01 - 150,000.00 30 4,432,579.31 1.57 150,000.01 - 160,000.00 53 8,238,453.68 2.92 160,000.01 - 170,000.00 45 7,436,244.55 2.64 170,000.01 - 180,000.00 40 7,001,140.43 2.48 180,000.01 - 190,000.00 36 6,674,616.80 2.37 190,000.01 - 200,000.00 25 4,902,055.47 1.74 200,000.01 - 210,000.00 26 5,316,530.09 1.89 210,000.01 - 220,000.00 26 5,615,243.68 1.99 220,000.01 - 230,000.00 17 3,809,487.36 1.35 230,000.01 - 240,000.00 3 712,261.35 0.25 240,000.01 - 250,000.00 3 732,802.15 0.26 250,000.01 - 300,000.00 12 3,264,504.04 1.16 300,000.01 - 350,000.00 10 3,207,332.63 1.14 400,000.01 - 450,000.00 2 845,168.21 0.30 - ---------------------------------------------------------------------------------------------------------------------- Total: 3,913 281,936,747.50 100.00 - ---------------------------------------------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 5. Types of Mortgaged Properties - -------------------------------------------------------------------------------------------------------------------------- Number of Aggregate % of Aggregate Group I Group I Group I Types of Mortgaged Properties Mortgage Loans Loan Balance Loan Balance - -------------------------------------------------------------------------------------------------------------------------- Single Family Residence 3,213 225,031,125.50 79.82 2-4 Family 271 23,678,910.89 8.40 PUD 202 17,717,770.44 6.28 Condo 177 12,665,999.18 4.49 Manufactured Housing 50 2,842,941.49 1.01 - -------------------------------------------------------------------------------------------------------------------------- Total: 3,913 281,936,747.50 100.00 - -------------------------------------------------------------------------------------------------------------------------- MORGAN STANLEY DEAN WITTER 3,913 records Balance: 281,936,748 Amresco Residential Securities Mortgage Loan Trust 1998-3 Group 1 - -------------------------------------------------------------------------------- 6. Months Elapsed Since Origination - ---------------------------------------------------------------------------------------------------------------------- Number of Aggregate % of Aggregate Group I Group I Group I Months Elapsed Since Origination Mortgage Loans Loan Balance Loan Balance - ---------------------------------------------------------------------------------------------------------------------- 0 826 58,228,049.04 20.65 1 - 6 2,682 199,465,204.63 70.75 7 - 12 363 22,103,316.96 7.84 13 - 18 42 2,140,176.87 0.76 - ---------------------------------------------------------------------------------------------------------------------- Total: 3,913 281,936,747.50 100.00 - ---------------------------------------------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 7. Remaining Term to Maturity - ---------------------------------------------------------------------------------------------------------------------- Number of Aggregate % of Aggregate Group I Group I Group I Remaining Term to Maturity Mortgage Loans Loan Balance Loan Balance - ---------------------------------------------------------------------------------------------------------------------- 1 - 60 3 42,009.18 0.01 61 - 120 29 1,147,209.77 0.41 121 - 180 1,048 53,917,368.99 19.12 181 - 240 108 6,079,165.52 2.16 241 - 300 2 196,315.47 0.07 301 - 360 2,723 220,554,678.57 78.23 - ---------------------------------------------------------------------------------------------------------------------- Total: 3,913 281,936,747.50 100.00 - ---------------------------------------------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 8. Occupancy Status - ---------------------------------------------------------------------------------------------------------------------- Number of Aggregate % of Aggregate Group I Group I Group I Occupancy Status Mortgage Loans Loan Balance Loan Balance - ---------------------------------------------------------------------------------------------------------------------- Owner-Occupied 3,335 247,450,754.92 87.77 Non-Owner Occupied 578 34,485,992.58 12.23 - ---------------------------------------------------------------------------------------------------------------------- Total: 3,913 281,936,747.50 100.00 - ---------------------------------------------------------------------------------------------------------------------- MORGAN STANLEY DEAN WITTER 6,331 records Balance: 718,063,451 Amresco Residential Securities Mortgage Loan Trust 1998-3 Group 2 - -------------------------------------------------------------------------------- 1. Geographical Distribution of Mortgaged Properties - ---------------------------------------------------------------------------------------------------------------- Number of Group II Aggregate % of Aggregate Mortgage Group II Group II Geographical Distribution of Mortgaged Properties Loans Loan Balance Loan Balance - ---------------------------------------------------------------------------------------------------------------- Alaska 9 1,037,138.44 0.14 Arizona 158 16,540,546.32 2.30 Arkansas 32 2,543,555.37 0.35 California 1,080 181,788,752.25 25.32 Colorado 215 22,929,796.44 3.19 Connecticut 70 9,608,961.69 1.34 Delaware 7 583,964.41 0.08 District of Columbia 15 2,104,239.72 0.29 Florida 445 43,341,921.07 6.04 Georgia 87 9,183,386.24 1.28 Hawaii 67 17,635,580.06 2.46 Idaho 29 2,869,751.19 0.40 Illinois 507 51,613,521.23 7.19 Indiana 123 8,777,988.04 1.22 Iowa 27 1,298,072.13 0.18 Kansas 25 1,988,521.12 0.28 Kentucky 41 3,356,178.88 0.47 Louisiana 28 2,605,645.16 0.36 Maine 7 719,733.28 0.10 Maryland 135 16,682,736.96 2.32 Massachusetts 190 23,747,310.61 3.31 Michigan 166 13,462,502.74 1.87 Minnesota 112 11,621,190.01 1.62 Mississippi 28 1,907,485.46 0.27 Missouri 191 14,782,738.03 2.06 Montana 18 1,521,936.86 0.21 Nebraska 7 301,432.77 0.04 Nevada 88 10,499,404.67 1.46 New Hampshire 42 3,688,895.80 0.51 New Jersey 138 18,421,680.01 2.57 New Mexico 61 6,693,841.98 0.93 New York 61 8,120,590.93 1.13 North Carolina 141 11,004,159.30 1.53 North Dakota 1 73,161.80 0.01 Ohio 505 41,343,127.41 5.76 Oklahoma 28 2,397,726.17 0.33 Oregon 197 25,660,164.12 3.57 Pennsylvania 160 12,950,646.43 1.80 Rhode Island 42 3,517,606.00 0.49 South Carolina 30 2,232,632.57 0.31 South Dakota 3 232,972.53 0.03 Tennessee 59 4,939,449.03 0.69 Texas 280 27,962,290.70 3.89 Utah 185 23,891,534.19 3.33 Vermont 2 150,691.26 0.02 Virginia 47 5,866,000.52 0.82 Washington 257 32,086,537.36 4.47 West Virginia 12 501,776.38 0.07 Wisconsin 167 10,760,567.22 1.50 Wyoming 6 513,408.09 0.07 - ---------------------------------------------------------------------------------------------------------------- Total: 6,331 718,063,450.95 100.00 - ---------------------------------------------------------------------------------------------------------------- MORGAN STANLEY DEAN WITTER 6,331 records Balance: 718,063,451 Amresco Residential Securities Mortgage Loan Trust 1998-3 Group 2 - -------------------------------------------------------------------------------- 2. Original Loan-to-Value Ratios - ---------------------------------------------------------------------------------------------------------------- Number of Group II Aggregate % of Aggregate Mortgage Group II Group II Original Loan-to-Value Ratios Loans Loan Balance Loan Balance - ---------------------------------------------------------------------------------------------------------------- 10.01 - 20.00 5 319,189.03 0.04 20.01 - 30.00 24 1,089,221.58 0.15 30.01 - 40.00 45 3,154,256.19 0.44 40.01 - 50.00 98 7,027,892.46 0.98 50.01 - 60.00 277 24,203,347.35 3.37 60.01 - 70.00 1,042 101,765,061.96 14.17 70.01 - 80.00 2,486 282,047,310.08 39.28 80.01 - 90.00 2,140 270,561,659.94 37.68 90.01 - 100.00 214 27,895,512.36 3.88 - ---------------------------------------------------------------------------------------------------------------- Total: 6,331 718,063,450.95 100.00 - ---------------------------------------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 3. Cut-Off Date Coupon Rates - ---------------------------------------------------------------------------------------------------------------- Number of Group II Aggregate % of Aggregate Mortgage Group II Group II Cut-Off Date Coupon Rates Loans Loan Balance Loan Balance - ---------------------------------------------------------------------------------------------------------------- 7.000 and less 19 3,387,994.09 0.47 7.001 - 7.500 41 7,067,588.36 0.98 7.501 - 8.000 159 27,402,000.06 3.82 8.001 - 8.250 98 15,894,416.27 2.21 8.251 - 8.500 252 37,226,650.38 5.18 8.501 - 8.750 257 36,785,629.17 5.12 8.751 - 9.000 464 63,396,273.76 8.83 9.001 - 9.250 315 40,860,680.81 5.69 9.251 - 9.500 539 66,199,613.67 9.22 9.501 - 9.750 471 55,004,845.96 7.66 9.751 - 10.000 703 82,506,253.38 11.49 10.001 - 10.250 418 44,574,587.70 6.21 10.251 - 10.500 490 49,701,183.82 6.92 10.501 - 10.750 458 44,396,418.82 6.18 10.751 - 11.000 458 43,962,257.23 6.12 11.001 - 11.250 259 21,555,957.11 3.00 11.251 - 11.500 233 19,344,118.33 2.69 11.501 - 11.750 179 15,160,417.27 2.11 11.751 - 12.000 142 14,063,842.82 1.96 12.001 - 13.000 261 20,809,666.89 2.90 13.001 - 14.000 78 6,294,943.27 0.88 14.001 - 15.000 34 2,081,540.57 0.29 15.001 - 16.000 2 338,993.16 0.05 16.001 - 17.000 1 47,578.05 0.01 - ---------------------------------------------------------------------------------------------------------------- Total: 6,331 718,063,450.95 100.00 - ---------------------------------------------------------------------------------------------------------------- MORGAN STANLEY DEAN WITTER 6,331 records Balance: 718,063,451 Amresco Residential Securities Mortgage Loan Trust 1998-3 Group 2 - -------------------------------------------------------------------------------- 4. Cut-Off Date Loan Balances - ---------------------------------------------------------------------------------------------------------------- Number of Group II Aggregate % of Aggregate Mortgage Group II Group II Cut-Off Date Loan Balances Loans Loan Balance Loan Balance - ---------------------------------------------------------------------------------------------------------------- 5,000.01 - 10,000.00 1 6,330.51 0.00 10,000.01 - 15,000.00 4 54,578.89 0.01 15,000.01 - 20,000.00 18 336,808.58 0.05 20,000.01 - 25,000.00 75 1,718,962.60 0.24 25,000.01 - 30,000.00 98 2,725,281.54 0.38 30,000.01 - 35,000.00 173 5,674,799.10 0.79 35,000.01 - 40,000.00 202 7,679,315.38 1.07 40,000.01 - 45,000.00 207 8,857,171.94 1.23 45,000.01 - 50,000.00 264 12,646,852.64 1.76 50,000.01 - 55,000.00 254 13,369,296.67 1.86 55,000.01 - 60,000.00 288 16,590,236.64 2.31 60,000.01 - 65,000.00 250 15,681,058.71 2.18 65,000.01 - 70,000.00 290 19,676,715.64 2.74 70,000.01 - 75,000.00 266 19,291,429.32 2.69 75,000.01 - 80,000.00 244 18,970,526.30 2.64 80,000.01 - 85,000.00 244 20,159,879.39 2.81 85,000.01 - 90,000.00 252 22,124,356.92 3.08 90,000.01 - 95,000.00 172 15,909,608.24 2.22 95,000.01 - 100,000.00 229 22,370,593.79 3.12 100,000.01 - 105,000.00 190 19,523,096.27 2.72 105,000.01 - 110,000.00 172 18,467,450.86 2.57 110,000.01 - 115,000.00 177 19,950,738.93 2.78 115,000.01 - 120,000.00 172 20,224,227.48 2.82 120,000.01 - 125,000.00 132 16,165,059.56 2.25 125,000.01 - 130,000.00 142 18,104,326.78 2.52 130,000.01 - 135,000.00 137 18,179,258.06 2.53 135,000.01 - 140,000.00 116 15,990,841.19 2.23 140,000.01 - 145,000.00 95 13,561,302.74 1.89 145,000.01 - 150,000.00 87 12,839,945.43 1.79 150,000.01 - 160,000.00 148 22,937,149.87 3.19 160,000.01 - 170,000.00 140 23,103,194.58 3.22 170,000.01 - 180,000.00 133 23,278,814.47 3.24 180,000.01 - 190,000.00 105 19,463,177.08 2.71 190,000.01 - 200,000.00 100 19,559,364.61 2.72 200,000.01 - 210,000.00 73 14,974,458.91 2.09 210,000.01 - 220,000.00 71 15,261,397.95 2.13 220,000.01 - 230,000.00 62 13,943,254.09 1.94 230,000.01 - 240,000.00 67 15,762,580.24 2.20 240,000.01 - 250,000.00 46 11,285,842.67 1.57 250,000.01 - 300,000.00 214 58,399,930.07 8.13 300,000.01 - 350,000.00 99 32,119,652.38 4.47 350,000.01 - 400,000.00 59 22,053,751.04 3.07 400,000.01 - 450,000.00 32 13,812,973.38 1.92 450,000.01 - 500,000.00 25 11,927,936.53 1.66 500,000.01 - 550,000.00 3 1,556,504.93 0.22 550,000.01 - 600,000.00 3 1,773,418.05 0.25 - ---------------------------------------------------------------------------------------------------------------- Total: 6,331 718,063,450.95 100.00 - ---------------------------------------------------------------------------------------------------------------- MORGAN STANLEY DEAN WITTER 6,331 records Balance: 718,063,451 Amresco Residential Securities Mortgage Loan Trust 1998-3 Group 2 - -------------------------------------------------------------------------------- 5. Types of Mortgaged Properties - ---------------------------------------------------------------------------------------------------------------- Number of Group II Aggregate % of Aggregate Mortgage Group II Group II Types of Mortgaged Properties Loans Loan Balance Loan Balance - ---------------------------------------------------------------------------------------------------------------- Single Family Residence 5,160 581,509,070.87 80.98 2-4 Family 518 58,809,612.59 8.19 PUD 320 46,331,306.55 6.45 Condo 266 26,494,712.77 3.69 Manufactured Housing 67 4,918,748.17 0.69 - ---------------------------------------------------------------------------------------------------------------- Total: 6,331 718,063,450.95 100.00 - ---------------------------------------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 6. Months Elapsed Since Origination - ---------------------------------------------------------------------------------------------------------------- Number of Group II Aggregate % of Aggregate Mortgage Group II Group II Months Elapsed Since Origination Loans Loan Balance Loan Balance - ---------------------------------------------------------------------------------------------------------------- 0 751 79,624,225.97 11.09 1 - 6 3,523 410,757,656.87 57.20 7 - 12 2,028 225,093,919.19 31.35 13 - 18 28 2,498,646.79 0.35 25 - 30 1 89,002.13 0.01 - ---------------------------------------------------------------------------------------------------------------- Total: 6,331 718,063,450.95 100.00 - ---------------------------------------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 7. Remaining Term to Maturity - ---------------------------------------------------------------------------------------------------------------- Number of Group II Aggregate % of Aggregate Mortgage Group II Group II Remaining Term to Maturity Loans Loan Balance Loan Balance - ---------------------------------------------------------------------------------------------------------------- 61 - 120 2 63,300.00 0.01 121 - 180 83 7,698,573.60 1.07 181 - 240 11 960,292.23 0.13 241 - 300 5 473,696.45 0.07 301 - 360 6,230 708,867,588.67 98.72 - ---------------------------------------------------------------------------------------------------------------- Total: 6,331 718,063,450.95 100.00 - ---------------------------------------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 8. Occupancy Status - ---------------------------------------------------------------------------------------------------------------- Number of Group II Aggregate % of Aggregate Mortgage Group II Group II Occupancy Status Loans Loan Balance Loan Balance - ---------------------------------------------------------------------------------------------------------------- Owner-Occupied 5,607 652,908,207.97 90.93 Non-Owner Occupied 724 65,155,242.98 9.07 - ---------------------------------------------------------------------------------------------------------------- Total: 6,331 718,063,450.95 100.00 - ---------------------------------------------------------------------------------------------------------------- MORGAN STANLEY DEAN WITTER 6,331 records Balance: 718,063,451 Amresco Residential Securities Mortgage Loan Trust 1998-3 Group 2 - -------------------------------------------------------------------------------- 9. Margins - ---------------------------------------------------------------------------------------------------------------- Number of Group II Aggregate % of Aggregate Mortgage Group II Group II Margins Loans Loan Balance Loan Balance - ---------------------------------------------------------------------------------------------------------------- 2.001 - 2.500 1 55,262.87 0.01 3.501 - 4.000 3 597,343.13 0.09 4.001 - 4.500 48 5,468,329.68 0.80 4.501 - 5.000 353 41,355,155.61 6.03 5.001 - 5.500 1,221 145,626,237.22 21.23 5.501 - 6.000 1,436 165,151,096.33 24.08 6.001 - 6.500 1,401 147,155,067.54 21.46 6.501 - 7.000 856 94,849,988.38 13.83 7.001 - 7.500 467 47,363,008.87 6.91 7.501 - 8.000 230 21,297,536.79 3.11 8.001 - 8.500 95 9,980,767.09 1.46 8.501 - 9.000 43 3,713,796.43 0.54 9.001 - 9.500 20 2,538,493.80 0.37 9.501 - 10.000 8 673,442.52 0.10 10.001 - 10.500 1 47,201.21 0.01 - ---------------------------------------------------------------------------------------------------------------- Total: 6,183 685,872,727.47 100.00 - ---------------------------------------------------------------------------------------------------------------- The information in this table relates only to the adjustable rate Mortgage Loans in Group II. - ---------------------------------------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 10. Maximum Coupon Rates - ---------------------------------------------------------------------------------------------------------------- Number of Group II Aggregate % of Aggregate Mortgage Group II Group II Maximum Coupon Rates Loans Loan Balance Loan Balance - ---------------------------------------------------------------------------------------------------------------- 11.001 - 11.500 1 99,809.32 0.01 11.501 - 12.000 1 56,008.38 0.01 12.001 - 12.500 10 1,193,154.08 0.17 12.501 - 13.000 21 3,098,309.35 0.45 13.001 - 13.500 27 4,459,152.60 0.65 13.501 - 14.000 63 9,465,319.35 1.38 14.001 - 14.500 101 15,971,388.08 2.33 14.501 - 15.000 250 36,566,274.02 5.33 15.001 - 15.500 437 59,448,715.99 8.67 15.501 - 16.000 776 100,789,171.29 14.70 16.001 - 16.500 922 111,533,754.38 16.26 16.501 - 17.000 1,090 119,433,187.21 17.41 17.001 - 17.500 916 87,891,115.88 12.81 17.501 - 18.000 694 66,052,571.69 9.63 18.001 - 18.500 374 29,637,560.02 4.32 18.501 - 19.000 222 19,681,740.75 2.87 19.001 - 19.500 115 8,441,464.77 1.23 19.501 - 20.000 79 6,038,635.84 0.88 20.001 - 20.500 33 2,264,615.15 0.33 20.501 - 21.000 23 1,927,332.44 0.28 21.001 - 21.500 17 944,999.52 0.14 21.501 - 22.000 8 491,876.15 0.07 22.001 - 22.500 1 234,099.75 0.03 22.501 - 23.000 1 104,893.41 0.02 23.001 - 23.500 1 47,578.05 0.01 - ---------------------------------------------------------------------------------------------------------------- Total: 6,183 685,872,727.47 100.00 - ---------------------------------------------------------------------------------------------------------------- The information in this table relates only to the adjustable rate Mortgage Loans in Group II. - ---------------------------------------------------------------------------------------------------------------- MORGAN STANLEY DEAN WITTER 6,331 records Balance: 718,063,451 Amresco Residential Securities Mortgage Loan Trust 1998-3 Group 2 - -------------------------------------------------------------------------------- 11. Next Rate Adjustment Date - ---------------------------------------------------------------------------------------------------------------- Number of Group II Aggregate % of Aggregate Mortgage Group II Group II Next Rate Adjustment Date Loans Loan Balance Loan Balance - ---------------------------------------------------------------------------------------------------------------- 1998-09 27 2,716,961.98 0.40 1998-10 72 8,022,151.99 1.17 1998-11 34 3,973,878.20 0.58 1998-12 66 6,932,556.27 1.01 1999-01 177 19,461,369.81 2.84 1999-02 173 22,214,198.14 3.24 1999-03 189 24,372,620.34 3.55 1999-04 15 2,017,681.68 0.29 1999-05 2 100,566.56 0.01 1999-06 3 296,587.78 0.04 1999-07 10 756,259.78 0.11 1999-08 8 794,742.10 0.12 1999-09 12 1,392,567.87 0.20 1999-10 89 9,299,765.54 1.36 1999-11 112 12,432,807.28 1.81 1999-12 442 41,415,069.22 6.04 2000-01 402 43,443,273.61 6.33 2000-02 294 32,586,783.11 4.75 2000-03 456 51,644,130.52 7.53 2000-04 577 62,030,197.07 9.04 2000-05 363 45,428,340.52 6.62 2000-06 431 50,397,693.83 7.35 2000-07 454 51,955,582.86 7.58 2000-08 479 50,337,868.16 7.34 2000-09 420 42,192,507.00 6.15 2000-10 198 19,602,015.97 2.86 2000-11 2 260,278.98 0.04 2000-12 16 1,257,390.86 0.18 2001-01 36 5,513,038.96 0.80 2001-02 16 2,516,821.48 0.37 2001-03 46 6,014,849.26 0.88 2001-04 79 7,908,225.11 1.15 2001-05 74 7,835,888.12 1.14 2001-06 80 7,182,280.17 1.05 2001-07 11 1,071,051.78 0.16 2001-08 11 1,699,705.49 0.25 2001-09 2 136,800.00 0.02 2001-10 4 355,197.00 0.05 2002-11 1 262,469.76 0.04 2002-12 20 2,052,510.10 0.30 2003-01 242 31,779,009.67 4.63 2003-02 3 207,694.93 0.03 2003-03 6 954,201.26 0.14 2003-04 2 203,557.42 0.03 2003-05 4 376,176.78 0.05 2003-06 5 400,529.82 0.06 2003-07 3 256,327.27 0.04 2003-08 6 1,071,374.06 0.16 2003-09 6 493,822.00 0.07 2003-10 3 245,350.00 0.04 - ---------------------------------------------------------------------------------------------------------------- Total: 6,183 685,872,727.47 100.00 - ---------------------------------------------------------------------------------------------------------------- The information in this table relates only to the adjustable rate Mortgage Loans in Group II. - ----------------------------------------------------------------------------------------------------------------