<PAGE>

                                  EXHIBIT 10.1

CONTACT: CUSTOMER SERVICES -- CTSLINK
         WELLS FARGO BANK MINNESOTA, N.A.
         SECURITIES ADMINISTRATION SERVICES
         7485 NEW HORIZON WAY
         FREDERICK, MD  21703
         WWW.CTSLINK.COM
         TELEPHONE:        (301) 815-6600
         FAX:              (301) 315-6660

                                SMT SERIES 2003-4
                          RECORD DATE: JANUARY 30, 2004
                      DISTRIBUTION DATE: FEBRUARY 20, 2004

                     CERTIFICATEHOLDER DISTRIBUTION SUMMARY

<TABLE>
<CAPTION>
                  Certificate Certificate    Beginning                               Current     Ending                   Cumulative
                     Class    Pass-Through  Certificate     Interest     Principal  Realized   Certificate       Total     Realized
 Class    CUSIP   Description     Rate        Balance     Distribution Distribution   Loss       Balance     Distribution    Loss
------------------------------------------------------------------------------------------------------------------------------------
<S>     <C>       <C>         <C>          <C>            <C>          <C>          <C>      <C>             <C>          <C>
 1-A-1  81743PBH8     SEN       1.41000%   141,349,278.22   166,085.40   550,201.26   0.00   140,799,076.96   716,286.66     0.00
 1-A-2  81743PBJ4     SEN       1.50000%   146,435,103.74   183,043.88   615,297.62   0.00   145,819,806.12   798,341.50     0.00
1-X-1A  81743PBM7      IO       0.90549%             0.00    50,366.18         0.00   0.00             0.00    50,366.18     0.00
1-X-1B  81743PBN5      IO       1.13061%             0.00    70,287.58         0.00   0.00             0.00    70,287.58     0.00
 1-X-2  81743PBP0      IO       1.03765%             0.00   126,623.10         0.00   0.00             0.00   126,623.10     0.00
 1-X-B  81743PBQ8      IO       0.73686%             0.00     2,372.70         0.00   0.00             0.00     2,372.70     0.00
 1-A-R  81743PBL9      R        2.36096%             0.00         0.00         0.00   0.00             0.00         0.00     0.00
 1-B-1  81743PBK1     SUB       1.75000%     3,864,000.00     5,635.00         0.00   0.00     3,864,000.00     5,635.00     0.00
 1-B-2  81743PBR6     SUB       2.48621%     2,628,000.00     5,444.80         0.00   0.00     2,628,000.00     5,444.80     0.00
 1-B-3  81743PBS4     SUB       2.48621%     1,546,000.00     3,203.07         0.00   0.00     1,546,000.00     3,203.07     0.00
 1-B-4  81743PBT2     SUB       2.48621%       773,000.00     1,601.53         0.00   0.00       773,000.00     1,601.53     0.00
 1-B-5  81743PBU9     SUB       2.48621%       464,000.00       961.33         0.00   0.00       464,000.00       961.33     0.00
 1-B-6  81743PBV7     SUB       2.48621%     1,236,668.87     2,562.18         0.00   0.00     1,236,668.87     2,562.18     0.00
 2-A-1  81743PBW5     SEN       1.45000%   182,111,703.34   220,051.64 2,621,188.64   0.00   179,490,514.70 2,841,240.28     0.00
 2-M-1  81743PBX3     MEZ       1.57000%     9,986,000.00    13,065.02         0.00   0.00     9,986,000.00    13,065.02     0.00
 2-X-1  81743PCA2      IO       0.96013%             0.00   145,708.86         0.00   0.00             0.00   145,708.86     0.00
 2-X-M  81743PCB0      IO       0.84013%             0.00     6,991.27         0.00   0.00             0.00     6,991.27     0.00
 2-X-B  81743PCC8      IO       0.66013%             0.00     1,302.10         0.00   0.00             0.00     1,302.10     0.00
 2-A-R  81743PBZ8      R        2.32136%             0.00         0.00         0.00   0.00             0.00         0.00     0.00
 2-B-1  81743PBY1     SUB       1.75000%     2,367,000.00     3,451.88         0.00   0.00     2,367,000.00     3,451.88     0.00
 2-B-2  81743PCD6     SUB       2.41013%       824,000.00     1,654.95         0.00   0.00       824,000.00     1,654.95     0.00
 2-B-3  81743PCE4     SUB       2.41013%     1,235,000.00     2,480.42         0.00   0.00     1,235,000.00     2,480.42     0.00
 2-B-4  81743PCF1     SUB       2.41013%       618,000.00     1,241.22         0.00   0.00       618,000.00     1,241.22     0.00
 2-B-5  81743PCG9     SUB       2.41013%       515,000.00     1,034.35         0.00   0.00       515,000.00     1,034.35     0.00
 2-B-6  81743PCH7     SUB       2.41013%       926,589.00     1,861.00         0.00   0.00       926,589.00     1,861.00     0.00
------------------------------------------------------------------------------------------------------------------------------------
Totals                                     496,879,343.17 1,017,029.46 3,786,687.52   0.00   493,092,655.65 4,803,716.98     0.00
------------------------------------------------------------------------------------------------------------------------------------
</TABLE>

All distributions required by the Pooling and Servicing Agreement have been
calculated by the Certificate Administrator on behalf of the Trustee.

<PAGE>

                        PRINCIPAL DISTRIBUTION STATEMENT

<TABLE>
<CAPTION>
                           Beginning      Scheduled    Unscheduled
        Original Face     Certificate     Principal     Principal               Realized
 Class      Amount          Balance     Distribution   Distribution  Accretion  Loss (1)
----------------------------------------------------------------------------------------
<S>     <C>             <C>             <C>           <C>            <C>        <C>
 1-A-1  148,641,000.00  141,349,278.22        0.00      550,201.26      0.00      0.00
 1-A-2  150,000,000.00  146,435,103.74        0.00      615,297.62      0.00      0.00
1-X-1A            0.00            0.00        0.00            0.00      0.00      0.00
1-X-1B            0.00            0.00        0.00            0.00      0.00      0.00
 1-X-2            0.00            0.00        0.00            0.00      0.00      0.00
 1-X-B            0.00            0.00        0.00            0.00      0.00      0.00
 1-A-R          100.00            0.00        0.00            0.00      0.00      0.00
 1-B-1    3,864,000.00    3,864,000.00        0.00            0.00      0.00      0.00
 1-B-2    2,628,000.00    2,628,000.00        0.00            0.00      0.00      0.00
 1-B-3    1,546,000.00    1,546,000.00        0.00            0.00      0.00      0.00
 1-B-4      773,000.00      773,000.00        0.00            0.00      0.00      0.00
 1-B-5      464,000.00      464,000.00        0.00            0.00      0.00      0.00
 1-B-6    1,236,668.87    1,236,668.87        0.00            0.00      0.00      0.00
 2-A-1  189,415,000.00  182,111,703.34    9,449.81    2,611,738.83      0.00      0.00
 2-M-1    9,986,000.00    9,986,000.00        0.00            0.00      0.00      0.00
 2-X-1            0.00            0.00        0.00            0.00      0.00      0.00
 2-X-M            0.00            0.00        0.00            0.00      0.00      0.00
 2-X-B            0.00            0.00        0.00            0.00      0.00      0.00
 2-A-R          100.00            0.00        0.00            0.00      0.00      0.00
 2-B-1    2,367,000.00    2,367,000.00        0.00            0.00      0.00      0.00
 2-B-2      824,000.00      824,000.00        0.00            0.00      0.00      0.00
 2-B-3    1,235,000.00    1,235,000.00        0.00            0.00      0.00      0.00
 2-B-4      618,000.00      618,000.00        0.00            0.00      0.00      0.00
 2-B-5      515,000.00      515,000.00        0.00            0.00      0.00      0.00
 2-B-6      926,589.00      926,589.00        0.00            0.00      0.00      0.00
----------------------------------------------------------------------------------------
Totals  515,039,457.87  496,879,343.17    9,449.81    3,777,237.71      0.00      0.00
----------------------------------------------------------------------------------------

<CAPTION>
            Total         Ending        Ending        Total
          Principal    Certificate    Certificate   Principal
 Class    Reduction      Balance      Percentage   Distribution
---------------------------------------------------------------
<S>     <C>           <C>             <C>          <C>
 1-A-1    550,201.26  140,799,076.96  0.94724253     550,201.26
 1-A-2    615,297.62  145,819,806.12  0.97213204     615,297.62
1-X-1A          0.00            0.00  0.00000000           0.00
1-X-1B          0.00            0.00  0.00000000           0.00
 1-X-2          0.00            0.00  0.00000000           0.00
 1-X-B          0.00            0.00  0.00000000           0.00
 1-A-R          0.00            0.00  0.00000000           0.00
 1-B-1          0.00    3,864,000.00  1.00000000           0.00
 1-B-2          0.00    2,628,000.00  1.00000000           0.00
 1-B-3          0.00    1,546,000.00  1.00000000           0.00
 1-B-4          0.00      773,000.00  1.00000000           0.00
 1-B-5          0.00      464,000.00  1.00000000           0.00
 1-B-6          0.00    1,236,668.87  1.00000000           0.00
 2-A-1  2,621,188.64  179,490,514.70  0.94760454   2,621,188.64
 2-M-1          0.00    9,986,000.00  1.00000000           0.00
 2-X-1          0.00            0.00  0.00000000           0.00
 2-X-M          0.00            0.00  0.00000000           0.00
 2-X-B          0.00            0.00  0.00000000           0.00
 2-A-R          0.00            0.00  0.00000000           0.00
 2-B-1          0.00    2,367,000.00  1.00000000           0.00
 2-B-2          0.00      824,000.00  1.00000000           0.00
 2-B-3          0.00    1,235,000.00  1.00000000           0.00
 2-B-4          0.00      618,000.00  1.00000000           0.00
 2-B-5          0.00      515,000.00  1.00000000           0.00
 2-B-6          0.00      926,589.00  1.00000000           0.00
---------------------------------------------------------------
Totals  3,786,687.52  493,092,655.65  0.95738811   3,786,687.52
---------------------------------------------------------------
</TABLE>

(1) Amount does not include excess special hazard, bankruptcy, or fraud losses
unless otherwise disclosed. Please refer to the prospectus supplement for a full
description.

<PAGE>

                    PRINCIPAL DISTRIBUTION FACTORS STATEMENT

<TABLE>
<CAPTION>
                           Beginning      Scheduled    Unscheduled
         Original Face    Certificate     Principal     Principal                Realized
 Class      Amount          Balance     Distribution  Distribution   Accretion   Loss (3)
------------------------------------------------------------------------------------------
<S>     <C>             <C>             <C>           <C>           <C>         <C>
 1-A-1  148,641,000.00   950.94407478    0.00000000     3.70154439  0.00000000  0.00000000
 1-A-2  150,000,000.00   976.23402493    0.00000000     4.10198413  0.00000000  0.00000000
1-X-1A            0.00     0.00000000    0.00000000     0.00000000  0.00000000  0.00000000
1-X-1B            0.00     0.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 1-X-2            0.00     0.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 1-X-B            0.00     0.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 1-A-R          100.00     0.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 1-B-1    3,864,000.00  1000.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 1-B-2    2,628,000.00  1000.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 1-B-3    1,546,000.00  1000.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 1-B-4      773,000.00  1000.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 1-B-5      464,000.00  1000.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 1-B-6    1,236,668.87  1000.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 2-A-1  189,415,000.00   961.44288119    0.04988945    13.78844775  0.00000000  0.00000000
 2-M-1    9,986,000.00  1000.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 2-X-1            0.00     0.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 2-X-M            0.00     0.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 2-X-B            0.00     0.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 2-A-R          100.00     0.00000000     0.0000000     0.00000000  0.00000000  0.00000000
 2-B-1    2,367,000.00  1000.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 2-B-2      824,000.00  1000.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 2-B-3    1,235,000.00  1000.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 2-B-4      618,000.00  1000.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 2-B-5      515,000.00  1000.00000000    0.00000000     0.00000000  0.00000000  0.00000000
 2-B-6      926,589.00  1000.00000000    0.00000000     0.00000000  0.00000000  0.00000000

<CAPTION>
            Total        Ending       Ending
          Principal   Certificate   Certificate  Total Principal
 Class    Reduction      Balance    Percentage     Distribution
----------------------------------------------------------------
<S>     <C>          <C>            <C>          <C>
 1-A-1   3.70154439   947.24253039  0.94724253      3.70154439
 1-A-2   4.10198413   972.13204080  0.97213204      4.10198413
1-X-1A   0.00000000     0.00000000  0.00000000      0.00000000
1-X-1B   0.00000000     0.00000000  0.00000000      0.00000000
 1-X-2   0.00000000     0.00000000  0.00000000      0.00000000
 1-X-B   0.00000000     0.00000000  0.00000000      0.00000000
 1-A-R   0.00000000     0.00000000  0.00000000      0.00000000
 1-B-1   0.00000000  1000.00000000  1.00000000      0.00000000
 1-B-2   0.00000000  1000.00000000  1.00000000      0.00000000
 1-B-3   0.00000000  1000.00000000  1.00000000      0.00000000
 1-B-4   0.00000000  1000.00000000  1.00000000      0.00000000
 1-B-5   0.00000000  1000.00000000  1.00000000      0.00000000
 1-B-6   0.00000000  1000.00000000  1.00000000      0.00000000
 2-A-1  13.83833720   947.60454399  0.94760454     13.83833720
 2-M-1   0.00000000  1000.00000000  1.00000000      0.00000000
 2-X-1   0.00000000     0.00000000  0.00000000      0.00000000
 2-X-M   0.00000000     0.00000000  0.00000000      0.00000000
 2-X-B   0.00000000     0.00000000  0.00000000      0.00000000
 2-A-R   0.00000000     0.00000000  0.00000000      0.00000000
 2-B-1   0.00000000  1000.00000000  1.00000000      0.00000000
 2-B-2   0.00000000  1000.00000000  1.00000000      0.00000000
 2-B-3   0.00000000  1000.00000000  1.00000000      0.00000000
 2-B-4   0.00000000  1000.00000000  1.00000000      0.00000000
 2-B-5   0.00000000  1000.00000000  1.00000000      0.00000000
 2-B-6   0.00000000  1000.00000000  1.00000000      0.00000000
</TABLE>

(3) Amount does not include excess special hazard, bankruptcy, or fraud losses
unless otherwise disclosed. Please refer to the prospectus supplement for a full
description.

<PAGE>

                         INTEREST DISTRIBUTION STATEMENT

<TABLE>
<CAPTION>
                                       Beginning
                           Current    Certificate/     Current
         Original Face  Certificate     Notional       Accrued
 Class      Amount          Rate        Balance        Interest
-----------------------------------------------------------------
<S>     <C>             <C>          <C>             <C>
 1-A-1  148,641,000.00    1.41000%   141,349,278.22    166,085.40
 1-A-2  150,000,000.00    1.50000%   146,435,103.74    183,043.88
1-X-1A            0.00    0.90549%    66,747,523.28     50,366.18
1-X-1B            0.00    1.13061%    74,601,754.94     70,287.58
 1-X-2            0.00    1.03765%   146,535,103.74    126,623.10
 1-X-B            0.00    0.73686%     3,864,000.00      2,372.70
 1-A-R          100.00    2.36096%             0.00          0.00
 1-B-1    3,864,000.00    1.75000%     3,864,000.00      5,635.00
 1-B-2    2,628,000.00    2.48621%     2,628,000.00      5,444.80
 1-B-3    1,546,000.00    2.48621%     1,546,000.00      3,203.07
 1-B-4      773,000.00    2.48621%       773,000.00      1,601.53
 1-B-5      464,000.00    2.48621%       464,000.00        961.33
 1-B-6    1,236,668.87    2.48621%     1,236,668.87      2,562.18
 2-A-1  189,415,000.00    1.45000%   182,111,703.34    220,051.64
 2-M-1    9,986,000.00    1.57000%     9,986,000.00     13,065.02
 2-X-1            0.00    0.96013%   182,111,703.34    145,708.86
 2-X-M            0.00    0.84013%     9,986,000.00      6,991.27
 2-X-B            0.00    0.66013%     2,367,000.00      1,302.10
 2-A-R          100.00    2.32136%             0.00          0.00
 2-B-1    2,367,000.00    1.75000%     2,367,000.00      3,451.88
 2-B-2      824,000.00    2.41013%       824,000.00      1,654.95
 2-B-3    1,235,000.00    2.41013%     1,235,000.00      2,480.42
 2-B-4      618,000.00    2.41013%       618,000.00      1,241.22
 2-B-5      515,000.00    2.41013%       515,000.00      1,034.35
 2-B-6      926,589.00    2.41013%       926,589.00      1,861.00
-----------------------------------------------------------------
Totals  515,039,457.87                               1,017,029.46
-----------------------------------------------------------------

<CAPTION>
        Payment of                Non-                              Remaining      Ending
          Unpaid    Current    Supported                             Unpaid     Certificate/
         Interest   Interest    Interest  Realized  Total Interest  Interest     Notational
 Class   Shortfall  Shortfall  Shortfall  Loss (4)   Distribution   Shortfall      Balance
---------------------------------------------------------------------------------------------
<S>     <C>         <C>        <C>        <C>       <C>             <C>        <C>
 1-A-1     0.00       0.00        0.00      0.00       166,085.40      0.00    140,799,076.96
 1-A-2     0.00       0.00        0.00      0.00       183,043.88      0.00    145,819,806.12
1-X-1A     0.00       0.00        0.00      0.00        50,366.18      0.00     66,688,139.29
1-X-1B     0.00       0.00        0.00      0.00        70,287.58      0.00     74,110,937.67
 1-X-2     0.00       0.00        0.00      0.00       126,623.10      0.00    145,819,806.12
 1-X-B     0.00       0.00        0.00      0.00         2,372.70      0.00      3,864,000.00
 1-A-R     0.00       0.00        0.00      0.00             0.00      0.00              0.00
 1-B-1     0.00       0.00        0.00      0.00         5,635.00      0.00      3,864,000.00
 1-B-2     0.00       0.00        0.00      0.00         5,444.80      0.00      2,628,000.00
 1-B-3     0.00       0.00        0.00      0.00         3,203.07      0.00      1,546,000.00
 1-B-4     0.00       0.00        0.00      0.00         1,601.53      0.00        773,000.00
 1-B-5     0.00       0.00        0.00      0.00           961.33      0.00        464,000.00
 1-B-6     0.00       0.00        0.00      0.00         2,562.18      0.00      1,236,668.87
 2-A-1     0.00       0.00        0.00      0.00       220,051.64      0.00    179,490,514.70
 2-M-1     0.00       0.00        0.00      0.00        13,065.02      0.00      9,986,000.00
 2-X-1     0.00       0.00        0.00      0.00       145,708.86      0.00    179,490,514.70
 2-X-M     0.00       0.00        0.00      0.00         6,991.27      0.00      9,986,000.00
 2-X-B     0.00       0.00        0.00      0.00         1,302.10      0.00      2,367,000.00
 2-A-R     0.00       0.00        0.00      0.00             0.00      0.00              0.00
 2-B-1     0.00       0.00        0.00      0.00         3,451.88      0.00      2,367,000.00
 2-B-2     0.00       0.00        0.00      0.00         1,654.95      0.00        824,000.00
 2-B-3     0.00       0.00        0.00      0.00         2,480.42      0.00      1,235,000.00
 2-B-4     0.00       0.00        0.00      0.00         1,241.22      0.00        618,000.00
 2-B-5     0.00       0.00        0.00      0.00         1,034.35      0.00        515,000.00
 2-B-6     0.00       0.00        0.00      0.00         1,861.00      0.00        926,589.00
---------------------------------------------------------------------------------------------
Totals     0.00       0.00        0.00      0.00     1,017,029.46      0.00
---------------------------------------------------------------------------------------------
</TABLE>

(4) Amount does not include excess special hazard, bankruptcy, or fraud losses
unless otherwise disclosed. Please refer to the prospectus supplement for a full
description.

<PAGE>

                     INTEREST DISTRIBUTION FACTORS STATEMENT

<TABLE>
<CAPTION>
                                                                      Payment of                Non-
                             Current        Beginning       Current     Unpaid     Current    Supported
Class (5)   Original Face  Certificate    Certificate/      Accrued    Interest    Interest   Interest     Realized
                Amount        Rate      Notional Balance   Interest   Shortfall   Shortfall   Shortfall    Loss (6)
--------------------------------------------------------------------------------------------------------------------
<S>        <C>             <C>          <C>               <C>         <C>         <C>         <C>         <C>
  1-A-1    148,641,000.00   1.41000%      950.94407478    1.11735928  0.00000000  0.00000000  0.00000000  0.00000000
  1-A-2    150,000,000.00   1.50000%      976.23402493    1.22029253  0.00000000  0.00000000  0.00000000  0.00000000
 1-X-1A              0.00   0.90549%      948.64057362    0.71582284  0.00000000  0.00000000  0.00000000  0.00000000
 1-X-1B              0.00   1.13061%      953.01457338    0.89790231  0.00000000  0.00000000  0.00000000  0.00000000
  1-X-2              0.00   1.03765%      976.23402493    0.84415400  0.00000000  0.00000000  0.00000000  0.00000000
  1-X-B              0.00   0.73686%     1000.00000000    0.61405280  0.00000000  0.00000000  0.00000000  0.00000000
  1-A-R            100.00   2.36096%        0.00000000    0.00000000  0.00000000  0.00000000  0.00000000  0.00000000
  1-B-1      3,864,000.00   1.75000%     1000.00000000    1.45833333  0.00000000  0.00000000  0.00000000  0.00000000
  1-B-2      2,628,000.00   2.48621%     1000.00000000    2.07184170  0.00000000  0.00000000  0.00000000  0.00000000
  1-B-3      1,546,000.00   2.48621%     1000.00000000    2.07184347  0.00000000  0.00000000  0.00000000  0.00000000
  1-B-4        773,000.00   2.48621%     1000.00000000    2.07183700  0.00000000  0.00000000  0.00000000  0.00000000
  1-B-5        464,000.00   2.48621%     1000.00000000    2.07183190  0.00000000  0.00000000  0.00000000  0.00000000
  1-B-6      1,236,668.87   2.48621%     1000.00000000    2.07183997  0.00000000  0.00000000  0.00000000  0.00000000
  2-A-1    189,415,000.00   1.45000%      961.44288119    1.16174347  0.00000000  0.00000000  0.00000000  0.00000000
  2-M-1      9,986,000.00   1.57000%     1000.00000000    1.30833367  0.00000000  0.00000000  0.00000000  0.00000000
  2-X-1              0.00   0.96013%      961.44288119    0.76925724  0.00000000  0.00000000  0.00000000  0.00000000
  2-X-M              0.00   0.84013%      000.00000000    0.70010715  0.00000000  0.00000000  0.00000000  0.00000000
  2-X-B              0.00   0.66013%     1000.00000000    0.55010562  0.00000000  0.00000000  0.00000000  0.00000000
  2-A-R            100.00   2.32136%        0.00000000    0.00000000  0.00000000  0.00000000  0.00000000  0.00000000
  2-B-1      2,367,000.00   1.75000%     1000.00000000    1.45833545  0.00000000  0.00000000  0.00000000  0.00000000
  2-B-2        824,000.00   2.41013%     1000.00000000    2.00843447  0.00000000  0.00000000  0.00000000  0.00000000
  2-B-3      1,235,000.00   2.41013%     1000.00000000    2.00843725  0.00000000  0.00000000  0.00000000  0.00000000
  2-B-4        618,000.00   2.41013%     1000.00000000    2.00844660  0.00000000  0.00000000  0.00000000  0.00000000
  2-B-5        515,000.00   2.41013%     1000.00000000    2.00844660  0.00000000  0.00000000  0.00000000  0.00000000
  2-B-6        926,589.00   2.41013%     1000.00000000    2.00844171  0.00000000  0.00000000  0.00000000  0.00000000

<CAPTION>
                           Remaining
                             Unpaid
Class (5)  Total Interest    Interest  Ending Certificate/
            Distribution    Shortfall  Notational Balance
----------------------------------------------------------
<S>        <C>             <C>         <C>
  1-A-1       1.11735928   0.00000000     947.24253039
  1-A-2       1.22029253   0.00000000     972.13204080
 1-X-1A       0.71582284   0.00000000     947.79658632
 1-X-1B       0.89790231   0.00000000     946.74453307
  1-X-2       0.84415400   0.00000000     972.13204080
  1-X-B       0.61405280   0.00000000    1000.00000000
  1-A-R       0.00000000   0.00000000       0.00000000
  1-B-1       1.45833333   0.00000000    1000.00000000
  1-B-2       2.07184170   0.00000000    1000.00000000
  1-B-3       2.07184347   0.00000000    1000.00000000
  1-B-4       2.07183700   0.00000000    1000.00000000
  1-B-5       2.07183190   0.00000000    1000.00000000
  1-B-6       2.07183997   0.00000000    1000.00000000
  2-A-1       1.16174347   0.00000000     947.60454399
  2-M-1       1.30833367   0.00000000    1000.00000000
  2-X-1       0.76925724   0.00000000     947.60454399
  2-X-M       0.70010715   0.00000000    1000.00000000
  2-X-B       0.55010562   0.00000000    1000.00000000
  2-A-R       0.00000000   0.00000000       0.00000000
  2-B-1       1.45833545   0.00000000    1000.00000000
  2-B-2       2.00843447   0.00000000    1000.00000000
  2-B-3       2.00843725   0.00000000    1000.00000000
  2-B-4       2.00844660   0.00000000    1000.00000000
  2-B-5       2.00844660   0.00000000    1000.00000000
  2-B-6       2.00844171   0.00000000    1000.00000000
</TABLE>

(5) Per $1 denomination

(6) Amount does not include excess special hazard, bankruptcy, or fraud losses
unless otherwise disclosed. Please refer to the prospectus supplement for a full
description.

<PAGE>

                       CERTIFICATEHOLDER ACCOUNT STATEMENT

                               CERTIFICATE ACCOUNT

<TABLE>
<S>                                                                        <C>
Beginning Balance                                                                  0.00

Deposits
         Payments of Interest and Principal                                4,949,347.83
         Liquidations, Insurance Proceeds, Reserve Funds                           0.00
         Proceeds from Repurchased Loans                                           0.00
         Other Amounts (Servicer Advances)                                         0.00
         Realized Losses (Gains, Subsequent Expenses & Recoveries)                 0.00
         Prepayment Penalties                                                      0.00
                                                                           ------------
Total Deposits                                                             4,949,347.83

Withdrawals
         Reimbursement for Servicer Advances                                   1,732.37
         Payment of Service Fee                                              143,898.48
         Payment of Interest and Principal                                 4,803,716.98
                                                                           ------------
Total Withdrawals (Pool Distribution Amount)                               4,949,347.83

Ending Balance                                                                     0.00
                                                                           ============
</TABLE>

                    PREPAYMENT/CURTAILMENT INTEREST SHORTFALL

<TABLE>
<S>                                                                   <C>
Total Prepayment/Curtailment Interest Shortfall                       0.00
Servicing Fee Support                                                 0.00
                                                                      ----
Non-Supported Prepayment Curtailment Interest Shortfall               0.00
                                                                      ====
</TABLE>

                                 SERVICING FEES

<TABLE>
<S>                                                              <C>
Gross Servicing Fee                                              142,863.33
Master Servicing Fee                                               1,035.15
Supported Prepayment/Curtailment Interest Shortfall                    0.00
                                                                 ----------

Net Servicing Fee                                                143,898.48
                                                                 ==========
</TABLE>
<PAGE>

<TABLE>
<CAPTION>
                         Beginning     Current      Current    Ending
     Account Type         Balance    Withdrawals   Deposits    Balance
     ------------         -------    -----------   --------    -------
<S>                      <C>         <C>           <C>        <C>
1-X-1A Reserve Fund      4,000.00       0.00         0.00     4,000.00
1-X-2 Reserve Fund       4,000.00       0.00         0.00     4,000.00
1-X-1B Reserve Fund      2,000.00       0.00         0.00     2,000.00
2-X-1 Reserve Fund       5,000.00       0.00         0.00     5,000.00
2-X-B Reserve Fund       2,500.00       0.00         0.00     2,500.00
2-X-M Reserve Fund       2,500.00       0.00         0.00     2,500.00
</TABLE>

             LOAN STATUS STRATIFICATION/CREDIT ENHANCEMENT STATEMENT

<TABLE>
<CAPTION>
              DELINQUENT                            BANKRUPTCY                         FORECLOSURE
--------------------------------------------------------------------------------------------------------------
                No. of     Principal                  No. of    Principal                 No. of    Principal
                Loans       Balance                   Loans      Balance                  Loans      Balance
<S>            <C>         <C>           <C>         <C>        <C>          <C>         <C>        <C>
0-29 Days          0            0.00     0-29 Days       0           0.00    0-29 Days       0           0.00
30 Days            0            0.00     30 Days         0           0.00    30 Days         0           0.00
60 Days            0            0.00     60 Days         0           0.00    60 Days         0           0.00
90 Days            0            0.00     90 Days         0           0.00    90 Days         0           0.00
120 Days           0            0.00     120 Days        0           0.00    120 Days        0           0.00
150 Days           0            0.00     150 Days        0           0.00    150 Days        0           0.00
180+ Days          0            0.00     180+ Days       0           0.00    180+ Days       0           0.00
               ---------------------                 --------------------                --------------------
                   0            0.00                     0           0.00                    0           0.00

                No. of     Principal                  No. of    Principal                 No. of    Principal
                Loans       Balance                   Loans      Balance                  Loans      Balance

0-29 Days      0.000000%    0.000000%    0-29 Days   0.000000%   0.000000%   0-29 Days   0.000000%   0.000000%
30 Days        0.000000%    0.000000%    30 Days     0.000000%   0.000000%   30 Days     0.000000%   0.000000%
60 Days        0.000000%    0.000000%    60 Days     0.000000%   0.000000%   60 Days     0.000000%   0.000000%
90 Days        0.000000%    0.000000%    90 Days     0.000000%   0.000000%   90 Days     0.000000%   0.000000%
120 Days       0.000000%    0.000000%    120 Days    0.000000%   0.000000%   120 Days    0.000000%   0.000000%
150 Days       0.000000%    0.000000%    150 Days    0.000000%   0.000000%   150 Days    0.000000%   0.000000%
180+ Days      0.000000%    0.000000%    180+ Days   0.000000%   0.000000%   180+ Days   0.000000%   0.000000%
               ---------------------                 --------------------                --------------------
               0.000000%    0.000000%                0.000000%   0.000000%               0.000000%   0.000000%
</TABLE>

<TABLE>
<CAPTION>
              REO                                 TOTAL
----------------------------------------------------------------------
             No. of     Principal                 No. of     Principal
              Loans      Balance                  Loans       Balance
<S>          <C>        <C>          <C>         <C>         <C>
0-29 Days        0           0.00    0-29 Days       0            0.00
30 Days          0           0.00    30 Days         0            0.00
60 Days          0           0.00    60 Days         0            0.00
90 Days          0           0.00    90 Days         0            0.00
120 Days         0           0.00    120 Days        0            0.00
150 Days         0           0.00    150 Days        0            0.00
180+ Days        0           0.00    180+ Days       0            0.00
             --------------------                ---------------------
                 0           0.00                    0            0.00

             No. of     Principal                 No. of     Principal
              Loans      Balance                  Loans       Balance

0-29 Days    0.000000%   0.000000%   0-29 Days   0.000000%    0.000000%
30 Days      0.000000%   0.000000%   30 Days     0.000000%    0.000000%
60 Days      0.000000%   0.000000%   60 Days     0.000000%    0.000000%
90 Days      0.000000%   0.000000%   90 Days     0.000000%    0.000000%
120 Days     0.000000%   0.000000%   120 Days    0.000000%    0.000000%
150 Days     0.000000%   0.000000%   150 Days    0.000000%    0.000000%
180+ Days    0.000000%   0.000000%   180+ Days   0.000000%    0.000000%
             --------------------                ---------------------
             0.000000%   0.000000%               0.000000%    0.000000%
</TABLE>

<TABLE>
<S>                                         <C>   <C>                                            <C>   <C>              <C>
Current Period Class A Insufficient Funds:  0.00  Principal Balance of Contaminated Properties   0.00  Periodic Advance 0.00
</TABLE>

<PAGE>

                                GROUP 1A - 1 MO.

<TABLE>
<CAPTION>
              DELINQUENT                            BANKRUPTCY                         FORECLOSURE
--------------------------------------------------------------------------------------------------------------
                No. of     Principal                  No. of    Principal                 No. of    Principal
                Loans       Balance                   Loans      Balance                  Loans      Balance
<S>            <C>         <C>           <C>         <C>        <C>          <C>         <C>        <C>
0-29 Days          0            0.00     0-29 Days       0           0.00    0-29 Days       0           0.00
30 Days            0            0.00     30 Days         0           0.00    30 Days         0           0.00
60 Days            0            0.00     60 Days         0           0.00    60 Days         0           0.00
90 Days            0            0.00     90 Days         0           0.00    90 Days         0           0.00
120 Days           0            0.00     120 Days        0           0.00    120 Days        0           0.00
150 Days           0            0.00     150 Days        0           0.00    150 Days        0           0.00
180+ Days          0            0.00     180+ Days       0           0.00    180+ Days       0           0.00
               ---------------------                 --------------------                --------------------
                   0            0.00                     0           0.00                    0           0.00

                No. of     Principal                  No. of    Principal                 No. of    Principal
                Loans       Balance                   Loans      Balance                  Loans      Balance

0-29 Days      0.000000%    0.000000%    0-29 Days   0.000000%   0.000000%   0-29 Days   0.000000%   0.000000%
30 Days        0.000000%    0.000000%    30 Days     0.000000%   0.000000%   30 Days     0.000000%   0.000000%
60 Days        0.000000%    0.000000%    60 Days     0.000000%   0.000000%   60 Days     0.000000%   0.000000%
90 Days        0.000000%    0.000000%    90 Days     0.000000%   0.000000%   90 Days     0.000000%   0.000000%
120 Days       0.000000%    0.000000%    120 Days    0.000000%   0.000000%   120 Days    0.000000%   0.000000%
150 Days       0.000000%    0.000000%    150 Days    0.000000%   0.000000%   150 Days    0.000000%   0.000000%
180+ Days      0.000000%    0.000000%    180+ Days   0.000000%   0.000000%   180+ Days   0.000000%   0.000000%
               ---------------------                 --------------------                --------------------
               0.000000%    0.000000%                0.000000%   0.000000%               0.000000%   0.000000%
</TABLE>

<TABLE>
<CAPTION>
              REO                                 TOTAL
----------------------------------------------------------------------
             No. of     Principal                 No. of     Principal
              Loans      Balance                  Loans       Balance
<S>          <C>        <C>          <C>         <C>         <C>
0-29 Days        0           0.00    0-29 Days       0            0.00
30 Days          0           0.00    30 Days         0            0.00
60 Days          0           0.00    60 Days         0            0.00
90 Days          0           0.00    90 Days         0            0.00
120 Days         0           0.00    120 Days        0            0.00
150 Days         0           0.00    150 Days        0            0.00
180+ Days        0           0.00    180+ Days       0            0.00
             --------------------                 --------------------
                 0           0.00                    0            0.00

             No. of     Principal                 No. of     Principal
              Loans      Balance                  Loans       Balance

0-29 Days    0.000000%   0.000000%   0-29 Days   0.000000%    0.000000%
30 Days      0.000000%   0.000000%   30 Days     0.000000%    0.000000%
60 Days      0.000000%   0.000000%   60 Days     0.000000%    0.000000%
90 Days      0.000000%   0.000000%   90 Days     0.000000%    0.000000%
120 Days     0.000000%   0.000000%   120 Days    0.000000%    0.000000%
150 Days     0.000000%   0.000000%   150 Days    0.000000%    0.000000%
180+ Days    0.000000%   0.000000%   180+ Days   0.000000%    0.000000%
             --------------------                ---------------------
             0.000000%   0.000000%               0.000000%    0.000000%
</TABLE>

                                Group 1A - 6 Mo.

<TABLE>
<CAPTION>
              DELINQUENT                            BANKRUPTCY                         FORECLOSURE
--------------------------------------------------------------------------------------------------------------
                No. of     Principal                  No. of    Principal                 No. of    Principal
                Loans       Balance                   Loans      Balance                  Loans      Balance
<S>            <C>         <C>           <C>         <C>        <C>          <C>         <C>        <C>
0-29 Days          0            0.00     0-29 Days       0           0.00    0-29 Days       0           0.00
30 Days            0            0.00     30 Days         0           0.00    30 Days         0           0.00
60 Days            0            0.00     60 Days         0           0.00    60 Days         0           0.00
90 Days            0            0.00     90 Days         0           0.00    90 Days         0           0.00
120 Days           0            0.00     120 Days        0           0.00    120 Days        0           0.00
150 Days           0            0.00     150 Days        0           0.00    150 Days        0           0.00
180+ Days          0            0.00     180+ Days       0           0.00    180+ Days       0           0.00
               ---------------------                 --------------------                --------------------
                   0            0.00                     0           0.00                    0           0.00

                No. of     Principal                  No. of    Principal                 No. of    Principal
                Loans       Balance                   Loans      Balance                  Loans      Balance

0-29 Days      0.000000%    0.000000%    0-29 Days   0.000000%   0.000000%   0-29 Days   0.000000%   0.000000%
30 Days        0.000000%    0.000000%    30 Days     0.000000%   0.000000%   30 Days     0.000000%   0.000000%
60 Days        0.000000%    0.000000%    60 Days     0.000000%   0.000000%   60 Days     0.000000%   0.000000%
90 Days        0.000000%    0.000000%    90 Days     0.000000%   0.000000%   90 Days     0.000000%   0.000000%
120 Days       0.000000%    0.000000%    120 Days    0.000000%   0.000000%   120 Days    0.000000%   0.000000%
150 Days       0.000000%    0.000000%    150 Days    0.000000%   0.000000%   150 Days    0.000000%   0.000000%
180+ Days      0.000000%    0.000000%    180+ Days   0.000000%   0.000000%   180+ Days   0.000000%   0.000000%
               ---------------------                 --------------------                --------------------
               0.000000%    0.000000%                0.000000%   0.000000%               0.000000%   0.000000%
</TABLE>

<TABLE>
<CAPTION>
              REO                                 TOTAL
----------------------------------------------------------------------
             No. of     Principal                 No. of     Principal
              Loans      Balance                  Loans       Balance
<S>          <C>        <C>          <C>         <C>         <C>
0-29 Days        0           0.00    0-29 Days       0             0.00
30 Days          0           0.00    30 Days         0             0.00
60 Days          0           0.00    60 Days         0             0.00
90 Days          0           0.00    90 Days         0             0.00
120 Days         0           0.00    120 Days        0             0.00
150 Days         0           0.00    150 Days        0             0.00
180+ Days        0           0.00    180+ Days       0             0.00
             --------------------                ----------------------
                 0           0.00                    0             0.00

             No. of     Principal                 No. of     Principal
              Loans      Balance                  Loans       Balance

0-29 Days    0.000000%   0.000000%   0-29 Days   0.000000%    0.000000%
30 Days      0.000000%   0.000000%   30 Days     0.000000%    0.000000%
60 Days      0.000000%   0.000000%   60 Days     0.000000%    0.000000%
90 Days      0.000000%   0.000000%   90 Days     0.000000%    0.000000%
120 Days     0.000000%   0.000000%   120 Days    0.000000%    0.000000%
150 Days     0.000000%   0.000000%   150 Days    0.000000%    0.000000%
180+ Days    0.000000%   0.000000%   180+ Days   0.000000%    0.000000%
             --------------------                ---------------------
             0.000000%   0.000000%               0.000000%    0.000000%
</TABLE>

<PAGE>

                                    GROUP 1B
<TABLE>
<CAPTION>
              DELINQUENT                            BANKRUPTCY                         FORECLOSURE
--------------------------------------------------------------------------------------------------------------
                No. of     Principal                  No. of    Principal                 No. of    Principal
                Loans       Balance                   Loans      Balance                  Loans      Balance
<S>            <C>         <C>           <C>         <C>        <C>          <C>         <C>        <C>
0-29 Days          0            0.00     0-29 Days       0           0.00    0-29 Days       0           0.00
30 Days            0            0.00     30 Days         0           0.00    30 Days         0           0.00
60 Days            0            0.00     60 Days         0           0.00    60 Days         0           0.00
90 Days            0            0.00     90 Days         0           0.00    90 Days         0           0.00
120 Days           0            0.00     120 Days        0           0.00    120 Days        0           0.00
150 Days           0            0.00     150 Days        0           0.00    150 Days        0           0.00
180+ Days          0            0.00     180+ Days       0           0.00    180+ Days       0           0.00
               ---------------------                 --------------------                --------------------
                   0            0.00                     0           0.00                    0           0.00

                No. of     Principal                  No. of    Principal                 No. of    Principal
                Loans       Balance                   Loans      Balance                  Loans      Balance

0-29 Days      0.000000%    0.000000%    0-29 Days   0.000000%   0.000000%   0-29 Days   0.000000%   0.000000%
30 Days        0.000000%    0.000000%    30 Days     0.000000%   0.000000%   30 Days     0.000000%   0.000000%
60 Days        0.000000%    0.000000%    60 Days     0.000000%   0.000000%   60 Days     0.000000%   0.000000%
90 Days        0.000000%    0.000000%    90 Days     0.000000%   0.000000%   90 Days     0.000000%   0.000000%
120 Days       0.000000%    0.000000%    120 Days    0.000000%   0.000000%   120 Days    0.000000%   0.000000%
150 Days       0.000000%    0.000000%    150 Days    0.000000%   0.000000%   150 Days    0.000000%   0.000000%
180+ Days      0.000000%    0.000000%    180+ Days   0.000000%   0.000000%   180+ Days   0.000000%   0.000000%
               ---------------------                 --------------------                --------------------
               0.000000%    0.000000%                0.000000%   0.000000%               0.000000%   0.000000%
</TABLE>

<TABLE>
<CAPTION>
              REO                                 TOTAL
----------------------------------------------------------------------
             No. of     Principal                 No. of     Principal
              Loans      Balance                  Loans       Balance
<S>          <C>        <C>          <C>         <C>         <C>
0-29 Days        0           0.00    0-29 Days       0            0.00
30 Days          0           0.00    30 Days         0            0.00
60 Days          0           0.00    60 Days         0            0.00
90 Days          0           0.00    90 Days         0            0.00
120 Days         0           0.00    120 Days        0            0.00
150 Days         0           0.00    150 Days        0            0.00
180+ Days        0           0.00    180+ Days       0            0.00
             --------------------                ---------------------
                 0           0.00                    0            0.00

             No. of     Principal                 No. of     Principal
              Loans      Balance                  Loans       Balance

0-29 Days    0.000000%   0.000000%   0-29 Days   0.000000%    0.000000%
30 Days      0.000000%   0.000000%   30 Days     0.000000%    0.000000%
60 Days      0.000000%   0.000000%   60 Days     0.000000%    0.000000%
90 Days      0.000000%   0.000000%   90 Days     0.000000%    0.000000%
120 Days     0.000000%   0.000000%   120 Days    0.000000%    0.000000%
150 Days     0.000000%   0.000000%   150 Days    0.000000%    0.000000%
180+ Days    0.000000%   0.000000%   180+ Days   0.000000%    0.000000%
             --------------------                ---------------------
             0.000000%   0.000000%               0.000000%    0.000000%
</TABLE>

                                     Group 2

<TABLE>
<CAPTION>
              DELINQUENT                            BANKRUPTCY                         FORECLOSURE
--------------------------------------------------------------------------------------------------------------
                No. of     Principal                  No. of    Principal                 No. of    Principal
                Loans       Balance                   Loans      Balance                  Loans      Balance
<S>            <C>         <C>           <C>         <C>        <C>          <C>         <C>        <C>
0-29 Days          0            0.00     0-29 Days       0           0.00    0-29 Days       0           0.00
30 Days            0            0.00     30 Days         0           0.00    30 Days         0           0.00
60 Days            0            0.00     60 Days         0           0.00    60 Days         0           0.00
90 Days            0            0.00     90 Days         0           0.00    90 Days         0           0.00
120 Days           0            0.00     120 Days        0           0.00    120 Days        0           0.00
150 Days           0            0.00     150 Days        0           0.00    150 Days        0           0.00
180+ Days          0            0.00     180+ Days       0           0.00    180+ Days       0           0.00
               ---------------------                 --------------------                --------------------
                   0            0.00                     0           0.00                    0           0.00

                No. of     Principal                  No. of    Principal                 No. of    Principal
                Loans       Balance                   Loans      Balance                  Loans      Balance

0-29 Days      0.000000%    0.000000%    0-29 Days   0.000000%   0.000000%   0-29 Days   0.000000%   0.000000%
30 Days        0.000000%    0.000000%    30 Days     0.000000%   0.000000%   30 Days     0.000000%   0.000000%
60 Days        0.000000%    0.000000%    60 Days     0.000000%   0.000000%   60 Days     0.000000%   0.000000%
90 Days        0.000000%    0.000000%    90 Days     0.000000%   0.000000%   90 Days     0.000000%   0.000000%
120 Days       0.000000%    0.000000%    120 Days    0.000000%   0.000000%   120 Days    0.000000%   0.000000%
150 Days       0.000000%    0.000000%    150 Days    0.000000%   0.000000%   150 Days    0.000000%   0.000000%
180+ Days      0.000000%    0.000000%    180+ Days   0.000000%   0.000000%   180+ Days   0.000000%   0.000000%
               ---------------------                 --------------------                --------------------
               0.000000%    0.000000%                0.000000%   0.000000%               0.000000%   0.000000%
</TABLE>

<TABLE>
<CAPTION>
              REO                                 TOTAL
----------------------------------------------------------------------
             No. of     Principal                 No. of     Principal
              Loans      Balance                  Loans       Balance
<S>          <C>        <C>          <C>         <C>         <C>
0-29 Days        0           0.00    0-29 Days       0            0.00
30 Days          0           0.00    30 Days         0            0.00
60 Days          0           0.00    60 Days         0            0.00
90 Days          0           0.00    90 Days         0            0.00
120 Days         0           0.00    120 Days        0            0.00
150 Days         0           0.00    150 Days        0            0.00
180+ Days        0           0.00    180+ Days       0            0.00
             --------------------                ---------------------
                 0           0.00                    0            0.00

             No. of     Principal                 No. of     Principal
              Loans      Balance                  Loans       Balance

0-29 Days    0.000000%   0.000000%   0-29 Days   0.000000%    0.000000%
30 Days      0.000000%   0.000000%   30 Days     0.000000%    0.000000%
60 Days      0.000000%   0.000000%   60 Days     0.000000%    0.000000%
90 Days      0.000000%   0.000000%   90 Days     0.000000%    0.000000%
120 Days     0.000000%   0.000000%   120 Days    0.000000%    0.000000%
150 Days     0.000000%   0.000000%   150 Days    0.000000%    0.000000%
180+ Days    0.000000%   0.000000%   180+ Days   0.000000%    0.000000%
             --------------------                ---------------------
             0.000000%   0.000000%               0.000000%    0.000000%
</TABLE>

<PAGE>

                              COLLATERAL STATEMENT

<TABLE>
<CAPTION>
Collateral Description                                  Mixed Arm
<S>                                                  <C>
Weighted Average Gross Coupon                              2.803721%
Weighted Average Net Coupon                                2.458696%
Weighted Average Pass-Through Rate                         2.456196%
Weighted Average Maturity (Stepdown Calculation)                317

Beginning Scheduled Collateral Loan Count                     1,019
Number of Loans Paid in Full                                      4
Ending Scheduled Collateral Loan Count                        1,015

Beginning Scheduled Collateral Balance               496,879,343.92
Ending Scheduled Collateral Balance                  493,092,656.40
Ending Actual Collateral Balance at 30-Jan-2004      493,092,656.40

Monthly P&I Constant                                   1,170,375.68
Special Servicing Fee                                          0.00
Prepayment Penalties                                           0.00
Realized Loss Amount                                           0.00
Cumulative Realized Loss                                       0.00

Ending Scheduled Balance for Premium Loans           493,092,656.40

Scheduled Principal                                        9,449.81
Unscheduled Principal                                  3,777,237.71
</TABLE>

<PAGE>

MISCELLANEOUS REPORTING

<TABLE>
<S>                                                  <C>
Group 1A Pro Rata Senior Percentage                   96.430646%
Group 1B Pro Rata Senior Percentage                   96.520007%
Group 2 Pro Rata Senior Percentage                    91.705450%

Group 1A Senior Percentage                           100.000000%
Group 1B Senior Percentage                           100.000000%
Group 2 Senior Percentage                            100.000000%

Group 1A Senior Prepayment Percentage                100.000000%
Group 1B Senior Prepayment Percentage                100.000000%
Group 2 Senior Prepayment Percentage                 100.000000%

Group 1 Subordinate Percentage                         0.000000%
Group 2 Subordinate Percentage                         0.000000%

Group 1 Subordinate Prepay Percentage                  0.000000%
Group 2 Subordinate Prepay Percentage                  0.000000%
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
          GROUP                    GROUP 1A - 1 MO   GROUP 1A - 6 MO       GROUP 1B           GROUP 2            TOTAL
<S>                                 <C>               <C>               <C>                <C>               <C>
                                       1 Month           6 Month           6 Month            1 Month
Collateral Description                LIBOR ARM         LIBOR ARM         LIBOR ARM          LIBOR ARM          Mixed ARM
Weighted Average Coupon Rate             2.692993          2.918105           2.915145           2.712629          2.803721
Weighted Average Net Rate                2.317993          2.543105           2.540146           2.412629          2.458696
Pass-Through Rate                        2.315493          2.540605           2.537645           2.410128          2.456196
Weighted Average Maturity                     293               293                293                346               317
Record Date                            01/30/2004        01/30/2004         01/30/2004         01/30/2004        01/30/2004
Principal and Interest Constant        155,336.70        188,128.07         368,558.85         458,352.06      1,170,375.68
Beginning Loan Count                          156               234                419                210             1,019
Loans Paid in Full                              0                 1                  2                  1                 4
Ending Loan Count                             156               233                417                209             1,015
Beginning Scheduled Balance         69,218,164.66     77,363,118.56     151,714,767.61     198,583,293.09    496,879,343.92
Ending Scheduled Balance            69,166,228.53     76,864,853.43     151,099,469.99     195,962,104.45    493,092,656.40
Scheduled Principal                          0.00              0.00               0.00           9,449.81          9,449.81
Unscheduled Principal                   51,936.13        498,265.13         615,297.62       2,611,738,83      3,777,237.71
Scheduled Interest                     155,336.70        188,128.07         368,558.85         448,902.25      1,160,925.87
Servicing Fee                           21,630.68         24,175.97          47,410.86          49,645.82        142,863.33
Master Servicing Fee                         0.00              0.00               0.00               0.00              0.00
Trustee Fee                                144.20            161.17             316.07             413.71          1,035.15
FRY Amount                                   0.00              0.00               0.00               0.00              0.00
Special Hazard Fee                           0.00              0.00               0.00               0.00              0.00
Other Fee                                    0.00              0.00               0.00               0.00              0.00
Pool Insurance Fee                           0.00              0.00               0.00               0.00              0.00
Spread 1                                     0.00              0.00               0.00               0.00              0.00
Spread 2                                     0.00              0.00               0.00               0.00              0.00
Spread 3                                     0.00              0.00               0.00               0.00              0.00
Net Interest                           133,561.82        163,790.93         320,831.92         398,842.72      1,017,027.39
Realized Loss Amount                         0.00              0.00               0.00               0.00              0.00
Cumulative Realized Loss                     0.00              0.00               0.00               0.00              0.00
Percentage of Cumulative Losses              0.00              0.00               0.00               0.00              0.00
Prepayment Penalties                         0.00              0.00               0.00               0.00              0.00
Special Servicing Fee                        0.00              0.00               0.00               0.00              0.00
</TABLE>