Exhibit 99.1 Settlement Date: 04/30/1997 DLJ97-1F_offer A10 Next Payment Date: 05/25/1997 ================== Interest Accrues From: 04/01/1997 Class: FXA-6 Par Balance: $4,232,734 Coupon: 7.750000% 8.0% 10.0% 12.0% 15.0% 20.0% 25.0% 30.0% CPR CPR CPR CPR CPR CPR CPR ----- ----- ----- ----- ----- ----- ----- Price Yield Yield Yield Yield Yield Yield Yield - ----------------- ----- ----- ----- ----- ----- ----- ----- 96.187500 96-06 8.199 8.219 8.250 8.354 8.630 8.827 9.018 96.312500 96-10 8.187 8.205 8.236 8.336 8.601 8.791 8.974 96.437500 96-14 8.174 8.192 8.221 8.317 8.572 8.754 8.929 96.562500 96-18 8.162 8.179 8.207 8.299 8.542 8.717 8.885 96.687500 96-22 8.149 8.165 8.192 8.280 8.513 8.681 8.841 96.812500 96-26 8.137 8.152 8.178 8.262 8.484 8.644 8.798 96.937500 96-30 8.124 8.139 8.163 8.244 8.456 8.607 8.754 97.062500 97-02 8.112 8.126 8.149 8.225 8.427 8.571 8.710 97.187500 97-06 8.099 8.113 8.135 8.207 8.398 8.535 8.666 97.312500 97-10 8.087 8.100 8.120 8.189 8.369 8.498 8.623 97.437500 97-14 8.075 8.087 8.106 8.170 8.340 8.462 8.579 97.562500 97-18 8.062 8.074 8.092 8.152 8.312 8.426 8.536 97.687500 97-22 8.050 8.061 8.078 8.134 8.283 8.390 8.492 97.812500 97-26 8.038 8.048 8.063 8.116 8.254 8.353 8.449 97.937500 97-30 8.026 8.035 8.049 8.098 8.226 8.317 8.406 98.062500 98-02 8.013 8.022 8.035 8.080 8.197 8.281 8.362 98.187500 98-06 8.001 8.009 8.021 8.062 8.169 8.245 8.319 Average Life: 23.729 20.459 16.860 10.955 5.729 4.310 3.484 Mod Dur ( 97-06 ): 10.318 9.744 8.924 6.983 4.434 3.513 2.928 Start Date: 12/2017 03/2014 07/2010 06/2005 07/2002 04/2001 07/2000 End Date: 10/2024 09/2022 09/2019 08/2013 08/2003 11/2001 01/2001 Collateral Assumptions: Pass-Thru = 8.471%, Wac = 8.731%, Wam = 358, Wala = 2; 30 Days Interest on Prepayments =============================================================================== The computational materials contained herein and the data on which they are based are preliminary and subject to change. Actual sales of the securities described herein will be made only pursuant to the terms set forth in a final prospectus. THESE MATERIALS HAVE BEEN PREPARED AND DISSEMINATED SOLELY BY AND ON BEHALF OF DONALDSON, LUFKIN & JENRETTE SECURITIES CORPORATION AND NOT BY THE ISSUER OF THE SECURITIES. Settlement Date: 04/30/1997 DLJ97-1F_offer A11 Next Payment Date: 05/25/1997 ================== Interest Accrues From: 04/01/1997 Class: FXA-7 Par Balance: $1,012,822 Coupon: 7.750000% 8.0% 10.0% 12.0% 15.0% 20.0% 25.0% 30.0% CPR CPR CPR CPR CPR CPR CPR ----- ----- ----- ----- ----- ----- ----- Price Yield Yield Yield Yield Yield Yield Yield - ----------------- ----- ----- ----- ----- ----- ----- ----- 94.750000 94-24 8.319 8.325 8.335 8.375 8.865 9.161 9.417 94.875000 94-28 8.307 8.312 8.323 8.362 8.838 9.126 9.375 95.000000 95-00 8.295 8.300 8.310 8.348 8.811 9.091 9.333 95.125000 95-04 8.283 8.288 8.298 8.334 8.784 9.057 9.291 95.250000 95-08 8.271 8.276 8.285 8.321 8.758 9.022 9.250 95.375000 95-12 8.259 8.263 8.273 8.307 8.731 8.987 9.208 95.500000 95-16 8.247 8.251 8.260 8.294 8.704 8.952 9.167 95.625000 95-20 8.235 8.239 8.248 8.280 8.677 8.918 9.125 95.750000 95-24 8.223 8.227 8.235 8.267 8.651 8.883 9.084 95.875000 95-28 8.211 8.215 8.223 8.253 8.624 8.849 9.042 96.000000 96-00 8.199 8.203 8.211 8.240 8.598 8.814 9.001 96.125000 96-04 8.187 8.191 8.198 8.226 8.571 8.780 8.960 96.250000 96-08 8.175 8.179 8.186 8.213 8.545 8.745 8.919 96.375000 96-12 8.163 8.167 8.174 8.200 8.519 8.711 8.877 96.500000 96-16 8.151 8.155 8.161 8.186 8.492 8.677 8.836 96.625000 96-20 8.139 8.143 8.149 8.173 8.466 8.643 8.795 96.750000 96-24 8.128 8.131 8.137 8.160 8.440 8.609 8.755 Average Life: 28.622 27.435 25.432 20.468 6.506 4.688 3.782 Mod Dur ( 95-24 ): 10.826 10.701 10.454 9.630 4.881 3.756 3.133 Start Date: 10/2024 09/2022 09/2019 08/2013 08/2003 11/2001 01/2001 End Date: 02/2027 02/2027 02/2027 02/2027 01/2004 01/2002 02/2001 Collateral Assumptions: Pass-Thru = 8.471%, Wac = 8.731%, Wam = 358, Wala = 2; 30 Days Interest on Prepayments ============================================================================== The computational materials contained herein and the data on which they are based are preliminary and subject to change. Actual sales of the securities described herein will be made only pursuant to the terms set forth in a final prospectus. THESE MATERIALS HAVE BEEN PREPARED AND DISSEMINATED SOLELY BY AND ON BEHALF OF DONALDSON, LUFKIN & JENRETTE SECURITIES CORPORATION AND NOT BY THE ISSUER OF THE SECURITIES. Settlement Date: 04/30/1997 DLJ97-1G_offer A1 Next Payment Date: 05/25/1997 ================= Interest Accrues From: 04/01/1997 Class: A-1 Par Balance: $36,058,366 Coupon: 7.750000% 100% 150% 175% 200% 235% 300% 350% 400% 450% 500% PSA PSA PSA PSA PSA PSA PSA PSA PSA PSA ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- Price Yield Yield Yield Yield Yield Yield Yield Yield Yield Yield - ----------------- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- 99.250000 99-08 7.922 7.935 7.941 7.948 7.956 7.970 7.979 7.988 7.996 8.003 99.375000 99-12 7.898 7.903 7.906 7.909 7.913 7.919 7.924 7.928 7.931 7.935 99.500000 99-16 7.873 7.872 7.871 7.871 7.870 7.869 7.869 7.868 7.868 7.867 99.625000 99-20 7.848 7.841 7.837 7.833 7.828 7.819 7.814 7.809 7.804 7.799 99.750000 99-24 7.823 7.809 7.802 7.795 7.785 7.770 7.759 7.749 7.740 7.731 99.875000 99-28 7.799 7.778 7.767 7.757 7.743 7.720 7.704 7.690 7.676 7.664 100.000000 100-00 7.774 7.747 7.732 7.718 7.700 7.670 7.650 7.631 7.613 7.596 100.125000 100-04 7.750 7.715 7.698 7.681 7.658 7.621 7.595 7.572 7.550 7.529 100.250000 100-08 7.725 7.684 7.663 7.643 7.616 7.571 7.541 7.513 7.486 7.462 100.375000 100-12 7.701 7.653 7.629 7.605 7.573 7.522 7.486 7.454 7.423 7.395 100.500000 100-16 7.676 7.622 7.595 7.567 7.531 7.472 7.432 7.395 7.360 7.328 100.625000 100-20 7.652 7.591 7.560 7.529 7.489 7.423 7.378 7.336 7.298 7.261 100.750000 100-24 7.628 7.561 7.526 7.492 7.447 7.374 7.324 7.278 7.235 7.194 100.875000 100-28 7.604 7.530 7.492 7.454 7.406 7.325 7.270 7.219 7.172 7.128 101.000000 101-00 7.579 7.499 7.458 7.417 7.364 7.276 7.216 7.161 7.110 7.061 101.125000 101-04 7.555 7.468 7.424 7.380 7.322 7.227 7.162 7.103 7.047 6.995 101.250000 101-08 7.531 7.438 7.390 7.342 7.280 7.178 7.109 7.045 6.985 6.929 Average Life: 7.595 5.369 4.656 4.121 3.590 2.969 2.658 2.426 2.244 2.095 Mod Dur (100-08 ): 5.069 3.989 3.594 3.275 2.935 2.506 2.278 2.103 1.962 1.845 Start Date: 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 End Date: 04/2016 02/2011 12/2008 02/2007 02/2005 03/2003 05/2002 10/2001 05/2001 01/2001 Collateral Assumptions: Pass-Thru = 7.764%, Wac = 8.024%, Wam = 358, Wala = 2; 30 Days Interest on Prepayments =============================================================================== The computational materials contained herein and the data on which they are based are preliminary and subject to change. Actual sales of the securities described herein will be made only pursuant to the terms set forth in a final prospectus. Settlement Date: 04/30/1997 DLJ97-1F_offer C1 Next Payment Date: 05/25/1997 ================= Interest Accrues From: 04/25/1997 Class: FXA-8 Par Balance: $23,382,802 Coupon: 5.950000% 75% 85% 95% 100% 125% 135% 150% 175% 200% PPC PPC PPC PPC PPC PPC PPC PPC PPC ----- ----- ----- ----- ----- ----- ----- ----- ----- Price Yield Yield Yield Yield Yield Yield Yield Yield Yield - ----------------- ----- ----- ----- ----- ----- ----- ----- ----- ----- 99.000000 99-00 6.420 6.466 6.511 6.534 6.641 6.683 6.745 6.847 6.948 99.125000 99-04 6.370 6.411 6.450 6.469 6.563 6.600 6.654 6.743 6.831 99.250000 99-08 6.320 6.355 6.389 6.405 6.486 6.517 6.563 6.640 6.715 99.375000 99-12 6.270 6.300 6.328 6.341 6.408 6.434 6.473 6.537 6.599 99.500000 99-16 6.221 6.244 6.267 6.278 6.331 6.352 6.383 6.434 6.484 99.625000 99-20 6.172 6.189 6.206 6.214 6.254 6.270 6.293 6.331 6.368 99.750000 99-24 6.122 6.134 6.145 6.151 6.177 6.188 6.203 6.228 6.253 99.875000 99-28 6.073 6.079 6.085 6.087 6.101 6.106 6.114 6.126 6.139 100.000000 100-00 6.024 6.024 6.024 6.024 6.024 6.024 6.024 6.024 6.024 100.125000 100-04 5.975 5.969 5.964 5.961 5.948 5.943 5.935 5.922 5.910 100.250000 100-08 5.926 5.915 5.904 5.898 5.872 5.861 5.846 5.821 5.796 100.375000 100-12 5.878 5.860 5.844 5.835 5.796 5.780 5.757 5.719 5.682 100.500000 100-16 5.829 5.806 5.784 5.773 5.720 5.699 5.669 5.618 5.569 100.625000 100-20 5.781 5.752 5.724 5.710 5.644 5.619 5.580 5.517 5.455 Average Life: 2.992 2.627 2.353 2.238 1.813 1.689 1.533 1.330 1.177 Mod Dur ( 99-24 ): 2.545 2.276 2.065 1.975 1.631 1.528 1.396 1.223 1.089 Start Date: 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 End Date: 06/2007 05/2005 03/2004 09/2003 03/2002 10/2001 04/2001 09/2000 04/2000 Start Period End Period Start Amount End Amount ------------ ---------- ------------ ---------- 1 Mon Libor 1 360 5.500000 5.500000 Coupon Formula: (1 Mon Libor) + 0.45%, 8.5% Cap, 0.45% Floor Collateral Assumptions: Pass-Thru = 8.471%, Wac = 8.731%, Wam = 358, Wala = 2; 30 Days Interest on Prepayments 100% PPC = (1) 4, (2) 5.090909, (3) 6.181818, (4) 7.272727, (5) 8.363636, (6) 9.454545, (7) 10.545455, (8) 11.636364, (9) 12.727273, (10) 13.818182, (11) 14.909091, (12-494) 16 =============================================================================== The computational materials contained herein and the data on which they are based are preliminary and subject to change. Actual sales of the securities described herein will be made only pursuant to the terms set forth in a final prospectus. THESE MATERIALS HAVE BEEN PREPARED AND DISSEMINATED SOLELY BY AND ON BEHALF OF DONALDSON, LUFKIN & JENRETTE SECURITIES CORPORATION AND NOT BY THE ISSUER OF THE SECURITIES. Settlement Date: 04/30/1997 DLJ97-1F_offer C1 Next Payment Date: 05/25/1997 ================= Interest Accrues From: 04/25/1997 Class: FXA-8 Par Balance: $23,382,802 Coupon: 5.950000% 75% 100% 115% 125% 150% 175% 200% 250% 300% PPC PPC PPC PPC PPC PPC PPC PPC PPC ----- ----- ----- ----- ----- ----- ----- ----- ----- Price DM DM DM DM DM DM DM DM DM - ----------------- ----- ----- ----- ----- ----- ----- ----- ----- ----- 100.937500 100-30 9.4 -0.9 -6.7 -10.5 -19.9 -29.1 -38.2 -55.9 -73.2 101.062500 101-02 4.7 -6.9 -13.6 -17.9 -28.5 -38.9 -49.2 -69.2 -88.8 101.187500 101-06 0.0 -13.0 -20.4 -25.2 -37.0 -48.7 -60.1 -82.6 -104.5 Average Life: 2.992 2.238 1.959 1.813 1.533 1.330 1.177 0.961 0.815 Mod Dur (100-06 ): 2.554 1.982 1.757 1.637 1.401 1.227 1.093 0.901 0.770 Start Date: 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 End Date: 06/2007 09/2003 09/2002 03/2002 04/2001 09/2000 04/2000 08/1999 03/1999 Start Period End Period Start Amount End Amount ------------ ---------- ------------ ---------- 1 Mon Libor 1 360 5.500000 5.500000 Coupon Formula: (1 Mon Libor) + 0.45%, 8.5% Cap, 0.45% Floor Collateral Assumptions: Pass-Thru = 8.471%, Wac = 8.731%, Wam = 358, Wala = 2; 30 Days Interest on Prepayments 100% PPC = (1) 4, (2) 5.090909, (3) 6.181818, (4) 7.272727, (5) 8.363636, (6) 9.454545, (7) 10.545455, (8) 11.636364, (9) 12.727273, (10) 13.818182, (11) 14.909091, (12-494) 16 =============================================================================== The computational materials contained herein and the data on which they are based are preliminary and subject to change. Actual sales of the securities described herein will be made only pursuant to the terms set forth in a final prospectus. THESE MATERIALS HAVE BEEN PREPARED AND DISSEMINATED SOLELY BY AND ON BEHALF OF DONALDSON, LUFKIN & JENRETTE SECURITIES CORPORATION AND NOT BY THE ISSUER OF THE SECURITIES. Settlement Date: 04/30/1997 DLJ97-1F_new D1 Next Payment Date: 05/25/1997 =============== Interest Accrues From: 04/25/1997 Class: FXA-8 Par Balance: $27,186,120 Coupon: 5.950000% 75% 85% 90% 95% 100% 125% 135% 150% 175% 200% PPC PPC PPC PPC PPC PPC PPC PPC PPC PPC ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- Price DM DM DM DM DM DM DM DM DM DM - ----------------- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- 99.000000 99-00 82.9 87.3 89.5 91.6 93.6 103.6 107.4 113.1 122.4 131.5 99.125000 99-04 78.2 82.0 83.9 85.7 87.5 96.2 99.6 104.5 112.7 120.6 99.250000 99-08 73.4 76.7 78.3 79.8 81.4 88.8 91.7 96.0 102.9 109.7 99.375000 99-12 68.6 71.4 72.7 74.0 75.3 81.5 83.9 87.4 93.2 98.9 99.500000 99-16 63.9 66.1 67.1 68.2 69.2 74.2 76.1 78.9 83.5 88.1 99.625000 99-20 59.1 60.8 61.6 62.4 63.1 66.8 68.3 70.4 73.9 77.3 99.750000 99-24 54.4 55.5 56.0 56.6 57.1 59.5 60.5 61.9 64.2 66.5 99.875000 99-28 49.7 50.2 50.5 50.8 51.0 52.3 52.7 53.4 54.6 55.7 100.000000 100-00 45.0 45.0 45.0 45.0 45.0 45.0 45.0 45.0 45.0 45.0 100.125000 100-04 40.3 39.7 39.5 39.2 39.0 37.7 37.2 36.5 35.4 34.2 100.250000 100-08 35.6 34.5 34.0 33.5 32.9 30.5 29.5 28.1 25.8 23.5 100.375000 100-12 30.9 29.3 28.5 27.7 26.9 23.2 21.8 19.7 16.2 12.9 100.500000 100-16 26.2 24.1 23.0 22.0 20.9 16.0 14.1 11.3 6.7 2.2 100.625000 100-20 21.6 18.9 17.5 16.2 15.0 8.8 6.4 2.9 -2.8 -8.4 Average Life: 3.044 2.677 2.530 2.401 2.287 1.861 1.737 1.581 1.379 1.226 Mod Dur ( 99-24 ): 2.585 2.316 2.205 2.106 2.016 1.673 1.570 1.439 1.266 1.133 Start Date: 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 End Date: 08/2007 07/2005 11/2004 04/2004 10/2003 03/2002 11/2001 05/2001 10/2000 05/2000 Start Period End Period Start Amount End Amount ------------ ---------- ------------ ---------- 1 Mon Libor 1 360 5.500000 5.500000 Coupon Formula: (1 Mon Libor) + 0.45%, 8.5% Cap, 0.45% Floor Collateral Assumptions: Pass-Thru = 8.468%, Wac = 8.728%, Wam = 359, Wala = 1; 30 Days Interest on Prepayments 100% PPC = (1) 4, (2) 5.090909, (3) 6.181818, (4) 7.272727, (5) 8.363636, (6) 9.454545, (7) 10.545455, (8) 11.636364, (9) 12.727273, (10) 13.818182, (11) 14.909091, (12-494) 16 =============================================================================== The computational materials contained herein and the data on which they are based are preliminary and subject to change. Actual sales of the securities described herein will be made only pursuant to the terms set forth in a final prospectus. THESE MATERIALS HAVE BEEN PREPARED AND DISSEMINATED SOLELY BY AND ON BEHALF OF DONALDSON, LUFKIN & JENRETTE SECURITIES CORPORATION AND NOT BY THE ISSUER OF THE SECURITIES. Settlement Date: 04/30/1997 north775aprbfltoffer A10 Next Payment Date: 05/25/1997 ======================== Interest Accrues From: 04/01/1997 Class: FXA-6 Par Balance: $4,232,734 Coupon: 7.750000% 75% 90% 100% 115% 125% 150% 175% PPC PPC PPC PPC PPC PPC PPC ----- ----- ----- ----- ----- ----- ----- Price Yield Yield Yield Yield Yield Yield Yield - ----------------- ----- ----- ----- ----- ----- ----- ----- 97.500000 97-16 8.096 8.132 8.178 8.263 8.303 8.396 8.473 97.625000 97-20 8.082 8.116 8.159 8.238 8.276 8.363 8.435 97.750000 97-24 8.068 8.099 8.140 8.214 8.249 8.330 8.397 97.875000 97-28 8.054 8.083 8.120 8.189 8.222 8.297 8.359 98.000000 98-00 8.040 8.067 8.101 8.165 8.195 8.264 8.321 98.125000 98-04 8.026 8.051 8.082 8.140 8.168 8.231 8.284 98.250000 98-08 8.012 8.034 8.063 8.116 8.141 8.198 8.246 98.375000 98-12 7.998 8.018 8.044 8.091 8.114 8.165 8.208 98.500000 98-16 7.984 8.002 8.025 8.067 8.087 8.132 8.170 98.625000 98-20 7.970 7.986 8.006 8.042 8.060 8.099 8.133 98.750000 98-24 7.957 7.970 7.987 8.018 8.033 8.067 8.095 98.875000 98-28 7.943 7.954 7.968 7.994 8.006 8.034 8.058 99.000000 99-00 7.929 7.938 7.949 7.970 7.979 8.002 8.020 99.125000 99-04 7.915 7.922 7.930 7.945 7.953 7.969 7.983 99.250000 99-08 7.902 7.906 7.911 7.921 7.926 7.937 7.946 99.375000 99-12 7.888 7.890 7.892 7.897 7.899 7.904 7.908 99.500000 99-16 7.874 7.874 7.874 7.873 7.873 7.872 7.871 Average Life: 17.361 13.054 9.999 6.958 6.112 4.791 4.058 Mod Dur ( 98-16 ): 9.114 7.820 6.626 5.171 4.683 3.851 3.350 Start Date: 01/2011 12/2006 01/2005 07/2003 11/2002 10/2001 02/2001 End Date: 02/2020 10/2015 04/2012 04/2005 01/2004 06/2002 08/2001 Collateral Assumptions: Pass-Thru = 8.471%, Wac = 8.731%, Wam = 358, Wala = 2; 30 Days Interest on Prepayments 100% PPC = (1) 4, (2) 5.090909, (3) 6.181818, (4) 7.272727, (5) 8.363636, (6) 9.454545, (7) 10.545455, (8) 11.636364, (9) 12.727273, (10) 13.818182, (11) 14.909091, (12-494) 16 =============================================================================== The computational materials contained herein and the data on which they are based are preliminary and subject to change. Actual sales of the securities described herein will be made only pursuant to the terms set forth in a final prospectus. THESE MATERIALS HAVE BEEN PREPARED AND DISSEMINATED SOLELY BY AND ON BEHALF OF DONALDSON, LUFKIN & JENRETTE SECURITIES CORPORATION AND NOT BY THE ISSUER OF THE SECURITIES. Settlement Date: 04/30/1997 north775aprbfltoffer A11 Next Payment Date: 05/25/1997 ======================== Interest Accrues From: 04/01/1997 Class: FXA-7 Par Balance: $1,012,822 Coupon: 7.750000% 75% 90% 100% 115% 125% 150% 175% PPC PPC PPC PPC PPC PPC PPC ----- ----- ----- ----- ----- ----- ----- Price Yield Yield Yield Yield Yield Yield Yield - ----------------- ----- ----- ----- ----- ----- ----- ----- 96.125000 96-04 8.197 8.214 8.237 8.421 8.537 8.700 8.832 96.250000 96-08 8.185 8.201 8.223 8.401 8.512 8.669 8.796 96.375000 96-12 8.173 8.188 8.210 8.380 8.486 8.637 8.759 96.500000 96-16 8.160 8.175 8.196 8.359 8.461 8.606 8.723 96.625000 96-20 8.148 8.163 8.182 8.339 8.436 8.575 8.687 96.750000 96-24 8.136 8.150 8.168 8.318 8.412 8.544 8.651 96.875000 96-28 8.124 8.137 8.155 8.297 8.387 8.513 8.615 97.000000 97-00 8.112 8.124 8.141 8.277 8.362 8.482 8.579 97.125000 97-04 8.100 8.112 8.128 8.256 8.337 8.451 8.543 97.250000 97-08 8.088 8.099 8.114 8.236 8.312 8.420 8.507 97.375000 97-12 8.076 8.086 8.101 8.215 8.287 8.389 8.471 97.500000 97-16 8.064 8.074 8.087 8.195 8.263 8.358 8.436 97.625000 97-20 8.052 8.061 8.074 8.175 8.238 8.328 8.400 97.750000 97-24 8.040 8.048 8.060 8.154 8.213 8.297 8.364 97.875000 97-28 8.028 8.036 8.047 8.134 8.189 8.266 8.329 98.000000 98-00 8.016 8.023 8.033 8.114 8.164 8.236 8.293 98.125000 98-04 8.004 8.011 8.020 8.094 8.140 8.205 8.258 Average Life: 25.689 22.309 19.140 9.280 6.960 5.249 4.383 Mod Dur ( 97-04 ): 10.585 10.060 9.422 6.244 5.157 4.136 3.564 Start Date: 02/2020 10/2015 04/2012 04/2005 01/2004 06/2002 08/2001 End Date: 02/2027 02/2027 02/2027 02/2027 07/2004 09/2002 10/2001 Collateral Assumptions: Pass-Thru = 8.471%, Wac = 8.731%, Wam = 358, Wala = 2; 30 Days Interest on Prepayments 100% PPC = (1) 4, (2) 5.090909, (3) 6.181818, (4) 7.272727, (5) 8.363636, (6) 9.454545, (7) 10.545455, (8) 11.636364, (9) 12.727273, (10) 13.818182, (11) 14.909091, (12-494) 16 ================================================================================ The computational materials contained herein and the data on which they are based are preliminary and subject to change. Actual sales of the securities described herein will be made only pursuant to the terms set forth in a final prospectus. THESE MATERIALS HAVE BEEN PREPARED AND DISSEMINATED SOLELY BY AND ON BEHALF OF DONALDSON, LUFKIN & JENRETTE SECURITIES CORPORATION AND NOT BY THE ISSUER OF THE SECURITIES. Settlement Date: 04/30/1997 north775aproffer A1 Next Payment Date: 05/25/1997 =================== Interest Accrues From: 04/01/1997 Class: A-1 Par Balance: $36,058,366 Coupon: 7.750000% 100% 150% 175% 200% 235% 300% 350% 400% 450% 500% PSA PSA PSA PSA PSA PSA PSA PSA PSA PSA ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- Price Yield Yield Yield Yield Yield Yield Yield Yield Yield Yield - ----------------- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- 99.250000 99-08 7.922 7.935 7.941 7.948 7.956 7.970 7.979 7.988 7.996 8.003 99.375000 99-12 7.898 7.903 7.906 7.909 7.913 7.919 7.924 7.928 7.931 7.935 99.500000 99-16 7.873 7.872 7.871 7.871 7.870 7.869 7.869 7.868 7.868 7.867 99.625000 99-20 7.848 7.841 7.837 7.833 7.828 7.819 7.814 7.809 7.804 7.799 99.750000 99-24 7.823 7.809 7.802 7.795 7.785 7.770 7.759 7.749 7.740 7.731 99.875000 99-28 7.799 7.778 7.767 7.757 7.743 7.720 7.704 7.690 7.676 7.664 100.000000 100-00 7.774 7.747 7.732 7.718 7.700 7.670 7.650 7.631 7.613 7.596 100.125000 100-04 7.750 7.715 7.698 7.681 7.658 7.621 7.595 7.572 7.550 7.529 100.250000 100-08 7.725 7.684 7.663 7.643 7.616 7.571 7.541 7.513 7.486 7.462 100.375000 100-12 7.701 7.653 7.629 7.605 7.573 7.522 7.486 7.454 7.423 7.395 100.500000 100-16 7.676 7.622 7.595 7.567 7.531 7.472 7.432 7.395 7.360 7.328 100.625000 100-20 7.652 7.591 7.560 7.529 7.489 7.423 7.378 7.336 7.298 7.261 100.750000 100-24 7.628 7.561 7.526 7.492 7.447 7.374 7.324 7.278 7.235 7.194 100.875000 100-28 7.604 7.530 7.492 7.454 7.406 7.325 7.270 7.219 7.172 7.128 101.000000 101-00 7.579 7.499 7.458 7.417 7.364 7.276 7.216 7.161 7.110 7.061 101.125000 101-04 7.555 7.468 7.424 7.380 7.322 7.227 7.162 7.103 7.047 6.995 101.250000 101-08 7.531 7.438 7.390 7.342 7.280 7.178 7.109 7.045 6.985 6.929 Average Life: 7.595 5.369 4.656 4.121 3.590 2.969 2.658 2.426 2.244 2.095 Mod Dur (100-08 ): 5.069 3.989 3.594 3.275 2.935 2.506 2.278 2.103 1.962 1.845 Start Date: 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 End Date: 04/2016 02/2011 12/2008 02/2007 02/2005 03/2003 05/2002 10/2001 05/2001 01/2001 Collateral Assumptions: Pass-Thru = 7.764%, Wac = 8.024%, Wam = 358, Wala = 2; 30 Days Interest on Prepayments =============================================================================== The computational materials contained herein and the data on which they are based are preliminary and subject to change. Actual sales of the securities described herein will be made only pursuant to the terms set forth in a final prospectus. Settlement Date: 04/30/1997 north775aproffer A2 Next Payment Date: 05/25/1997 =================== Interest Accrues From: 04/01/1997 Class: A-2 Par Balance: $6,359,051 Coupon: 7.750000% 100% 150% 175% 200% 235% 300% 350% 400% 450% 500% PSA PSA PSA PSA PSA PSA PSA PSA PSA PSA ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- Price Yield Yield Yield Yield Yield Yield Yield Yield Yield Yield - ----------------- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- 96.500000 96-16 8.172 8.203 8.226 8.254 8.308 8.443 8.538 8.620 8.692 8.756 96.625000 96-20 8.159 8.189 8.211 8.238 8.290 8.419 8.510 8.588 8.657 8.718 96.750000 96-24 8.147 8.175 8.196 8.222 8.271 8.395 8.482 8.556 8.622 8.681 96.875000 96-28 8.134 8.161 8.181 8.206 8.253 8.371 8.453 8.525 8.588 8.643 97.000000 97-00 8.122 8.147 8.166 8.190 8.234 8.347 8.425 8.493 8.553 8.606 97.125000 97-04 8.109 8.133 8.151 8.174 8.216 8.323 8.397 8.461 8.518 8.569 97.250000 97-08 8.096 8.119 8.136 8.158 8.198 8.299 8.369 8.430 8.484 8.532 97.375000 97-12 8.084 8.106 8.122 8.142 8.179 8.275 8.341 8.399 8.449 8.494 97.500000 97-16 8.071 8.092 8.107 8.126 8.161 8.251 8.313 8.367 8.415 8.457 97.625000 97-20 8.059 8.078 8.092 8.110 8.143 8.227 8.285 8.336 8.381 8.420 97.750000 97-24 8.046 8.064 8.077 8.094 8.125 8.203 8.258 8.305 8.346 8.383 97.875000 97-28 8.034 8.051 8.063 8.078 8.107 8.179 8.230 8.273 8.312 8.346 98.000000 98-00 8.022 8.037 8.048 8.062 8.089 8.155 8.202 8.242 8.278 8.309 98.125000 98-04 8.009 8.023 8.033 8.046 8.071 8.132 8.174 8.211 8.244 8.273 98.250000 98-08 7.997 8.010 8.019 8.031 8.053 8.108 8.147 8.180 8.210 8.236 98.375000 98-12 7.984 7.996 8.004 8.015 8.034 8.084 8.119 8.149 8.176 8.199 98.500000 98-16 7.972 7.982 7.990 7.999 8.017 8.061 8.092 8.118 8.142 8.162 Average Life: 22.879 18.123 15.832 13.698 10.989 7.307 5.948 5.140 4.590 4.194 Mod Dur ( 97-16 ): 10.193 9.234 8.637 7.984 6.993 5.328 4.566 4.065 3.705 3.435 Start Date: 04/2016 02/2011 12/2008 02/2007 02/2005 03/2003 05/2002 10/2001 05/2001 01/2001 End Date: 08/2024 06/2021 05/2019 02/2017 12/2013 09/2007 06/2004 04/2003 06/2002 12/2001 Collateral Assumptions: Pass-Thru = 7.764%, Wac = 8.024%, Wam = 358, Wala = 2; 30 Days Interest on Prepayments ============================================================================= The computational materials contained herein and the data on which they are based are preliminary and subject to change. Actual sales of the securities described herein will be made only pursuant to the terms set forth in a final prospectus. Settlement Date: 04/30/1997 north775aproffer A3 Next Payment Date: 05/25/1997 =================== Interest Accrues From: 04/01/1997 Class: A-3 Par Balance: $1,497,511 Coupon: 7.750000% 100% 150% 175% 200% 235% 300% 350% 400% 450% 500% PSA PSA PSA PSA PSA PSA PSA PSA PSA PSA ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- Price Yield Yield Yield Yield Yield Yield Yield Yield Yield Yield - ----------------- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- 95.500000 95-16 8.247 8.254 8.261 8.270 8.290 8.370 8.601 8.727 8.833 8.928 95.625000 95-20 8.235 8.242 8.248 8.258 8.277 8.354 8.578 8.700 8.803 8.894 95.750000 95-24 8.223 8.230 8.236 8.245 8.264 8.338 8.555 8.673 8.772 8.860 95.875000 95-28 8.211 8.217 8.224 8.232 8.250 8.322 8.531 8.645 8.741 8.826 96.000000 96-00 8.199 8.205 8.211 8.220 8.237 8.306 8.508 8.618 8.711 8.793 96.125000 96-04 8.187 8.193 8.199 8.207 8.224 8.291 8.485 8.591 8.680 8.759 96.250000 96-08 8.175 8.181 8.186 8.194 8.210 8.275 8.462 8.564 8.649 8.726 96.375000 96-12 8.163 8.169 8.174 8.182 8.197 8.259 8.439 8.536 8.619 8.692 96.500000 96-16 8.151 8.157 8.162 8.169 8.184 8.243 8.416 8.509 8.588 8.659 96.625000 96-20 8.140 8.145 8.150 8.156 8.171 8.228 8.393 8.482 8.558 8.625 96.750000 96-24 8.128 8.133 8.137 8.144 8.158 8.212 8.370 8.455 8.528 8.592 96.875000 96-28 8.116 8.121 8.125 8.131 8.144 8.196 8.347 8.428 8.497 8.559 97.000000 97-00 8.104 8.109 8.113 8.119 8.131 8.181 8.324 8.402 8.467 8.525 97.125000 97-04 8.093 8.097 8.101 8.106 8.118 8.165 8.301 8.375 8.437 8.492 97.250000 97-08 8.081 8.085 8.089 8.094 8.105 8.149 8.278 8.348 8.407 8.459 97.375000 97-12 8.069 8.073 8.077 8.082 8.092 8.134 8.255 8.321 8.377 8.426 97.500000 97-16 8.058 8.061 8.065 8.069 8.079 8.118 8.232 8.294 8.347 8.393 Average Life: 28.561 26.735 25.323 23.619 20.875 14.649 7.776 6.279 5.411 4.822 Mod Dur ( 96-16 ): 10.878 10.674 10.490 10.237 9.751 8.186 5.584 4.759 4.231 3.852 Start Date: 08/2024 06/2021 05/2019 02/2017 12/2013 09/2007 06/2004 04/2003 06/2002 12/2001 End Date: 03/2027 03/2027 03/2027 03/2027 03/2027 03/2027 03/2027 03/2027 03/2027 03/2027 Collateral Assumptions: Pass-Thru = 7.764%, Wac = 8.024%, Wam = 358, Wala = 2; 30 Days Interest on Prepayments =============================================================================== The computational materials contained herein and the data on which they are based are preliminary and subject to change. Actual sales of the securities described herein will be made only pursuant to the terms set forth in a final prospectus. Settlement Date: 04/30/1997 north775aproffer J1 Next Payment Date: 05/25/1997 =================== Interest Accrues From: 04/01/1997 Class: A-4 NAS Par Balance: $10,978,732 Coupon: 7.750000% 100% 150% 175% 200% 235% 300% 350% 400% 450% 500% PSA PSA PSA PSA PSA PSA PSA PSA PSA PSA ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- Price Yield Yield Yield Yield Yield Yield Yield Yield Yield Yield - ----------------- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- 99.250000 99-08 7.905 7.907 7.908 7.909 7.910 7.911 7.912 7.915 7.918 7.920 99.375000 99-12 7.890 7.890 7.891 7.891 7.892 7.892 7.893 7.894 7.895 7.897 99.500000 99-16 7.874 7.874 7.874 7.874 7.874 7.874 7.874 7.873 7.873 7.873 99.625000 99-20 7.859 7.857 7.857 7.857 7.856 7.855 7.854 7.853 7.851 7.849 99.750000 99-24 7.843 7.841 7.840 7.839 7.838 7.836 7.835 7.832 7.829 7.826 99.875000 99-28 7.828 7.825 7.823 7.822 7.820 7.818 7.816 7.812 7.807 7.802 100.000000 100-00 7.812 7.808 7.806 7.805 7.803 7.799 7.796 7.791 7.785 7.779 100.125000 100-04 7.797 7.792 7.790 7.788 7.785 7.780 7.777 7.771 7.763 7.755 100.250000 100-08 7.781 7.776 7.773 7.770 7.767 7.762 7.758 7.750 7.741 7.732 100.375000 100-12 7.766 7.759 7.756 7.753 7.750 7.743 7.739 7.730 7.719 7.708 100.500000 100-16 7.751 7.743 7.739 7.736 7.732 7.725 7.720 7.709 7.698 7.685 100.625000 100-20 7.735 7.727 7.723 7.719 7.714 7.706 7.701 7.689 7.676 7.662 100.750000 100-24 7.720 7.711 7.706 7.702 7.697 7.688 7.682 7.669 7.654 7.639 100.875000 100-28 7.705 7.694 7.690 7.685 7.679 7.670 7.663 7.648 7.632 7.615 101.000000 101-00 7.689 7.678 7.673 7.668 7.662 7.651 7.644 7.628 7.611 7.592 101.125000 101-04 7.674 7.662 7.657 7.651 7.644 7.633 7.625 7.608 7.589 7.569 101.250000 101-08 7.659 7.646 7.640 7.634 7.627 7.615 7.606 7.588 7.567 7.546 Average Life: 15.123 13.497 12.845 12.277 11.598 10.613 10.010 9.018 8.143 7.393 Mod Dur (100-08 ): 8.055 7.597 7.403 7.230 7.014 6.683 6.467 6.062 5.664 5.294 Start Date: 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 05/1997 End Date: 02/2027 02/2027 02/2027 02/2027 02/2027 02/2027 02/2027 02/2027 02/2027 02/2027 Collateral Assumptions: Pass-Thru = 7.764%, Wac = 8.024%, Wam = 358, Wala = 2; 30 Days Interest on Prepayments =============================================================================== The computational materials contained herein and the data on which they are based are preliminary and subject to change. Actual sales of the securities described herein will be made only pursuant to the terms set forth in a final prospectus. Settlement Date: 04/30/1997 DLJ97-1F_offer C2 Next Payment Date: 05/25/1997 ================= Interest Accrues From: 04/25/1997 Class: FXA-9 Notional Balance: $23,382,802 Implied Coupon: 2.550000% Index Shift Reset Shift Periods Periods| 5.0% CPR | 7.0% CPR | 10.0% CPR | 12.0% CPR |15.0% CPR |20.0% CPR |25.0% CPR |30.0% CPR |40.0% CPR | ------- ------- -------| ----------| ----------| ----------| ----------|----------|----------|----------|----------|----------| | | | | | | | | | | 200 BP IMMED | 9.50 | 3.55 | -7.45 | -16.64 | -30.79 | -53.37 | -74.90 | -95.33 | -131.23 | | | | | | | | | | | 150 BP IMMED | 32.28 | 26.14 | 16.02 | 8.32 | -4.04 | -25.22 | -46.59 | -67.72 | -107.16 | | | | | | | | | | | 100 BP IMMED | 56.08 | 49.61 | 39.33 | 31.96 | 20.17 | -0.55 | -22.04 | -43.80 | -85.96 | | | | | | | | | | | 50 BP IMMED | 81.06 | 74.23 | 63.50 | 55.99 | 44.17 | 23.30 | 1.41 | -21.06 | -65.68 | | | | | | | | | | | 0 BP IMMED | 107.24 | 100.03 | 88.72 | 80.89 | 68.70 | 47.29 | 24.76 | 1.46 | -45.61 | | | | | | | | | | | -50 BP IMMED | 134.63 | 127.02 | 115.08 | 106.85 | 94.10 | 71.84 | 48.46 | 24.21 | -25.36 | | | | | | | | | | | -100 BP IMMED | 163.29 | 155.23 | 142.63 | 133.93 | 120.51 | 97.21 | 72.80 | 47.47 | -4.71 | | | | | | | | | | | -150 BP IMMED | 193.23 | 184.71 | 171.39 | 162.20 | 148.04 | 123.53 | 97.94 | 71.41 | 16.49 | | | | | | | | | | | -200 BP IMMED | 224.50 | 215.47 | 201.39 | 191.69 | 176.73 | 150.89 | 124.00 | 96.14 | 38.33 | | | | | | | | | | | Mcly Duration (Row 5): | 1.04 | 1.03 | 1.01 | 1.00 | 0.97 | 0.92 | 0.86 | 0.80 | 0.69 | Average Life (Row 5): | 6.83 | 5.01 | 3.38 | 2.73 | 2.13 | 1.56 | 1.22 | 1.00 | 0.71 | | | | | | | | | | | Start Date (Row 5): | 05/97 | 05/97 | 05/97 | 05/97 | 05/97 | 05/97 | 05/97 | 05/97 | 05/97 | End Date (Row 5): | 12/19 | 12/15 | 03/10 | 11/06 | 12/03 | 11/01 | 11/00 | 03/00 | 05/99 | | | | | | | | | | | Prepayment Shift Periods: | IMMED | IMMED | IMMED | IMMED | IMMED | IMMED | IMMED | IMMED | IMMED | Percent of Par Dollar Amount Bond Price: 2.510000% $586,908 Base Prepayment Speed: 100% CPR Accrued Interest @ 2.550000%: 0.035417 8,281 Total Investment: 2.545417% $595,190 Base Floater Index: 5.500000% 1 Mon Libor Coupon Formula: 8.05% - (1 Mon Libor), 8.05% Cap, 0% Floor Collateral: WHOLE 8.4714922095% 30 Yr Collateral Assumptions: Pass-Thru = 8.471%, Wac = 8.731%, Wam = 358, Wala = 2; 30 Days Interest on Prepayments ==============================================(TRADE TO SETTLE ON A YIELD MAINTENANCE BASIS)============================================== The computational materials contained herein and the data on which they are based are preliminary and subject to change. Actual sales of the securities described herein will be made only pursuant to the terms set forth in a final prospectus. THESE MATERIALS HAVE BEEN PREPARED AND DISSEMINATED SOLELY BY AND ON BEHALF OF DONALDSON, LUFKIN & JENRETTE SECURITIES CORPORATION AND NOT BY THE ISSUER OF THE SECURITIES. Settlement Date: 04/30/1997 north775aprbfltoffer A5 Next Payment Date: 05/25/1997 ======================= Interest Accrues From: 04/01/1997 Class: FXA-3 Par Balance: $11,231,137 Coupon: 7.350000% 75% 90% 100% 115% 125% 150% 175% PPC PPC PPC PPC PPC PPC PPC ----- ----- ----- ----- ----- ----- ----- Price Yield Yield Yield Yield Yield Yield Yield - ----------------- ----- ----- ----- ----- ----- ----- ----- 99.125000 99-04 7.580 7.599 7.612 7.631 7.643 7.674 7.705 99.250000 99-08 7.542 7.555 7.564 7.576 7.585 7.606 7.627 99.375000 99-12 7.504 7.511 7.515 7.522 7.526 7.537 7.548 99.500000 99-16 7.466 7.467 7.467 7.468 7.468 7.469 7.470 99.625000 99-20 7.429 7.423 7.419 7.413 7.410 7.400 7.391 99.750000 99-24 7.391 7.379 7.371 7.359 7.352 7.332 7.313 99.875000 99-28 7.353 7.335 7.323 7.305 7.294 7.264 7.235 100.000000 100-00 7.315 7.291 7.275 7.251 7.236 7.196 7.157 100.125000 100-04 7.278 7.247 7.227 7.198 7.178 7.128 7.080 100.250000 100-08 7.240 7.204 7.180 7.144 7.120 7.061 7.002 100.375000 100-12 7.202 7.160 7.132 7.090 7.062 6.993 6.925 100.500000 100-16 7.165 7.117 7.085 7.037 7.005 6.926 6.847 100.625000 100-20 7.127 7.073 7.037 6.983 6.947 6.858 6.770 100.750000 100-24 7.090 7.030 6.990 6.930 6.890 6.791 6.693 100.875000 100-28 7.053 6.986 6.942 6.876 6.833 6.724 6.616 101.000000 101-00 7.016 6.943 6.895 6.823 6.775 6.657 6.539 101.125000 101-04 6.978 6.900 6.848 6.770 6.718 6.590 6.462 Average Life: 3.939 3.315 3.000 2.626 2.427 2.040 1.762 Mod Dur (100-04 ): 3.298 2.839 2.599 2.307 2.147 1.831 1.598 Start Date: 02/2000 09/1999 06/1999 03/1999 01/1999 10/1998 08/1998 End Date: 07/2002 08/2001 03/2001 09/2000 06/2000 12/1999 07/1999 Collateral Assumptions: Pass-Thru = 8.471%, Wac = 8.731%, Wam = 358, Wala = 2; 30 Days Interest on Prepayments 100% PPC = (1) 4, (2) 5.090909, (3) 6.181818, (4) 7.272727, (5) 8.363636, (6) 9.454545, (7) 10.545455, (8) 11.636364, (9) 12.727273, (10) 13.818182, (11) 14.909091, (12-494) 16 ============================================================================== The computational materials contained herein and the data on which they are based are preliminary and subject to change. Actual sales of the securities described herein will be made only pursuant to the terms set forth in a final prospectus. THESE MATERIALS HAVE BEEN PREPARED AND DISSEMINATED SOLELY BY AND ON BEHALF OF DONALDSON, LUFKIN & JENRETTE SECURITIES CORPORATION AND NOT BY THE ISSUER OF THE SECURITIES. Settlement Date: 04/30/1997 DLJ97-1F_offer A7 Next Payment Date: 05/25/1997 ================= Interest Accrues From: 04/01/1997 Class: FXA-4 Par Balance: $11,152,169 Coupon: 7.500000% 75% 90% 100% 115% 125% 150% 175% PPC PPC PPC PPC PPC PPC PPC ----- ----- ----- ----- ----- ----- ----- Price Yield Yield Yield Yield Yield Yield Yield - ----------------- ----- ----- ----- ----- ----- ----- ----- 97.375000 97-12 8.026 8.105 8.154 8.225 8.271 8.385 8.501 97.500000 97-16 8.002 8.076 8.122 8.189 8.232 8.340 8.449 97.625000 97-20 7.977 8.047 8.090 8.153 8.193 8.294 8.396 97.750000 97-24 7.953 8.018 8.058 8.117 8.155 8.248 8.344 97.875000 97-28 7.929 7.989 8.027 8.081 8.116 8.203 8.291 98.000000 98-00 7.905 7.960 7.995 8.045 8.077 8.157 8.239 98.125000 98-04 7.881 7.931 7.963 8.009 8.039 8.112 8.187 98.250000 98-08 7.857 7.903 7.932 7.973 8.000 8.067 8.135 98.375000 98-12 7.833 7.874 7.900 7.938 7.962 8.022 8.083 98.500000 98-16 7.809 7.845 7.868 7.902 7.923 7.977 8.031 98.625000 98-20 7.785 7.817 7.837 7.866 7.885 7.931 7.979 98.750000 98-24 7.761 7.788 7.806 7.831 7.847 7.886 7.927 98.875000 98-28 7.737 7.760 7.774 7.795 7.808 7.842 7.875 99.000000 99-00 7.713 7.731 7.743 7.760 7.770 7.797 7.824 99.125000 99-04 7.689 7.703 7.712 7.724 7.732 7.752 7.772 99.250000 99-08 7.666 7.675 7.680 7.689 7.694 7.707 7.721 99.375000 99-12 7.642 7.646 7.649 7.653 7.656 7.663 7.669 Average Life: 7.092 5.637 5.000 4.301 3.950 3.282 2.801 Mod Dur ( 98-12 ): 5.259 4.409 4.003 3.532 3.285 2.796 2.429 Start Date: 07/2002 08/2001 03/2001 09/2000 06/2000 12/1999 07/1999 End Date: 06/2007 09/2004 09/2003 09/2002 03/2002 04/2001 09/2000 Collateral Assumptions: Pass-Thru = 8.471%, Wac = 8.731%, Wam = 358, Wala = 2; 30 Days Interest on Prepayments 100% PPC = (1) 4, (2) 5.090909, (3) 6.181818, (4) 7.272727, (5) 8.363636, (6) 9.454545, (7) 10.545455, (8) 11.636364, (9) 12.727273, (10) 13.818182, (11) 14.909091, (12-494) 16 ============================================================================== The computational materials contained herein and the data on which they are based are preliminary and subject to change. Actual sales of the securities described herein will be made only pursuant to the terms set forth in a final prospectus. THESE MATERIALS HAVE BEEN PREPARED AND DISSEMINATED SOLELY BY AND ON BEHALF OF DONALDSON, LUFKIN & JENRETTE SECURITIES CORPORATION AND NOT BY THE ISSUER OF THE SECURITIES. Settlement Date: 04/30/1997 DLJ97-1F_offer A7 Next Payment Date: 05/25/1997 ================= Interest Accrues From: 04/01/1997 Class: FXA-4 Par Balance: $11,152,169 Coupon: 7.500000% 75% 90% 100% 115% 125% 150% 175% PPC PPC PPC PPC PPC PPC PPC ----- ----- ----- ----- ----- ----- ----- Price Yield Yield Yield Yield Yield Yield Yield - ----------------- ----- ----- ----- ----- ----- ----- ----- 98.375000 98-12 7.833 7.874 7.900 7.938 7.962 8.022 8.083 98.500000 98-16 7.809 7.845 7.868 7.902 7.923 7.977 8.031 98.625000 98-20 7.785 7.817 7.837 7.866 7.885 7.931 7.979 98.750000 98-24 7.761 7.788 7.806 7.831 7.847 7.886 7.927 98.875000 98-28 7.737 7.760 7.774 7.795 7.808 7.842 7.875 99.000000 99-00 7.713 7.731 7.743 7.760 7.770 7.797 7.824 99.125000 99-04 7.689 7.703 7.712 7.724 7.732 7.752 7.772 99.250000 99-08 7.666 7.675 7.680 7.689 7.694 7.707 7.721 99.375000 99-12 7.642 7.646 7.649 7.653 7.656 7.663 7.669 99.500000 99-16 7.618 7.618 7.618 7.618 7.618 7.618 7.618 99.625000 99-20 7.594 7.590 7.587 7.583 7.580 7.574 7.567 99.750000 99-24 7.571 7.562 7.556 7.548 7.542 7.529 7.516 99.875000 99-28 7.547 7.534 7.525 7.513 7.505 7.485 7.465 100.000000 100-00 7.524 7.506 7.494 7.478 7.467 7.441 7.414 100.125000 100-04 7.500 7.477 7.463 7.443 7.429 7.396 7.363 100.250000 100-08 7.477 7.449 7.432 7.408 7.392 7.352 7.312 100.375000 100-12 7.453 7.422 7.402 7.373 7.354 7.308 7.261 Average Life: 7.092 5.637 5.000 4.301 3.950 3.282 2.801 Mod Dur ( 99-12 ): 5.274 4.421 4.014 3.542 3.294 2.804 2.436 Start Date: 07/2002 08/2001 03/2001 09/2000 06/2000 12/1999 07/1999 End Date: 06/2007 09/2004 09/2003 09/2002 03/2002 04/2001 09/2000 Collateral Assumptions: Pass-Thru = 8.471%, Wac = 8.731%, Wam = 358, Wala = 2; 30 Days Interest on Prepayments 100% PPC = (1) 4, (2) 5.090909, (3) 6.181818, (4) 7.272727, (5) 8.363636, (6) 9.454545, (7) 10.545455, (8) 11.636364, (9) 12.727273, (10) 13.818182, (11) 14.909091, (12-494) 16 ================================================================================ The computational materials contained herein and the data on which they are based are preliminary and subject to change. Actual sales of the securities described herein will be made only pursuant to the terms set forth in a final prospectus. THESE MATERIALS HAVE BEEN PREPARED AND DISSEMINATED SOLELY BY AND ON BEHALF OF DONALDSON, LUFKIN & JENRETTE SECURITIES CORPORATION AND NOT BY THE ISSUER OF THE SECURITIES. Settlement Date: 04/30/1997 north775aprbfltoffer A9 Next Payment Date: 05/25/1997 ======================= Interest Accrues From: 04/01/1997 Class: FXA-5 Par Balance: $3,811,660 Coupon: 7.750000% 75% 90% 100% 115% 125% 150% 175% PPC PPC PPC PPC PPC PPC PPC ----- ----- ----- ----- ----- ----- ----- Price Yield Yield Yield Yield Yield Yield Yield - ----------------- ----- ----- ----- ----- ----- ----- ----- 98.500000 98-16 8.009 8.043 8.066 8.096 8.116 8.159 8.201 98.625000 98-20 7.992 8.022 8.042 8.068 8.085 8.123 8.160 98.750000 98-24 7.975 8.001 8.017 8.040 8.055 8.087 8.118 98.875000 98-28 7.958 7.979 7.993 8.012 8.024 8.051 8.077 99.000000 99-00 7.941 7.958 7.969 7.984 7.994 8.015 8.035 99.125000 99-04 7.924 7.937 7.945 7.956 7.963 7.979 7.994 99.250000 99-08 7.907 7.916 7.921 7.928 7.933 7.943 7.953 99.375000 99-12 7.891 7.894 7.897 7.900 7.902 7.907 7.912 99.500000 99-16 7.874 7.873 7.873 7.872 7.872 7.871 7.871 99.625000 99-20 7.857 7.852 7.849 7.845 7.842 7.836 7.830 99.750000 99-24 7.841 7.831 7.825 7.817 7.812 7.800 7.789 99.875000 99-28 7.824 7.810 7.801 7.789 7.781 7.764 7.748 100.000000 100-00 7.807 7.789 7.777 7.762 7.751 7.729 7.707 100.125000 100-04 7.791 7.768 7.754 7.734 7.721 7.694 7.666 100.250000 100-08 7.774 7.747 7.730 7.707 7.691 7.658 7.625 100.375000 100-12 7.757 7.726 7.706 7.679 7.661 7.623 7.585 100.500000 100-16 7.741 7.706 7.682 7.652 7.631 7.587 7.544 Average Life: 11.824 8.334 7.000 5.781 5.190 4.255 3.612 Mod Dur ( 99-16 ): 7.459 5.917 5.211 4.494 4.122 3.496 3.039 Start Date: 06/2007 09/2004 09/2003 09/2002 03/2002 04/2001 09/2000 End Date: 01/2011 12/2006 01/2005 07/2003 11/2002 10/2001 02/2001 Collateral Assumptions: Pass-Thru = 8.471%, Wac = 8.731%, Wam = 358, Wala = 2; 30 Days Interest on Prepayments 100% PPC = (1) 4, (2) 5.090909, (3) 6.181818, (4) 7.272727, (5) 8.363636, (6) 9.454545, (7) 10.545455, (8) 11.636364, (9) 12.727273, (10) 13.818182, (11) 14.909091, (12-494) 16 ============================================================================== The computational materials contained herein and the data on which they are based are preliminary and subject to change. Actual sales of the securities described herein will be made only pursuant to the terms set forth in a final prospectus. THESE MATERIALS HAVE BEEN PREPARED AND DISSEMINATED SOLELY BY AND ON BEHALF OF DONALDSON, LUFKIN & JENRETTE SECURITIES CORPORATION AND NOT BY THE ISSUER OF THE SECURITIES.