<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 2002-8
                          RECORD DATE: AUGUST 29, 2003
                      DISTRIBUTION DATE: SEPTEMBER 22, 2003

                     CERTIFICATEHOLDER DISTRIBUTION SUMMARY

<Table>
<Caption>
                      Certificate   Certificate      Beginning                                                         Ending
                         Class      Pass-Through    Certificate       Interest       Principal        Current        Certificate
 Class     CUSIP      Description       Rate          Balance       Distribution   Distribution    Realized Loss       Balance
 -----   ----------   -----------   ------------   --------------   ------------   -------------   -------------   --------------
<S>      <C>          <C>           <C>            <C>              <C>            <C>             <C>             <C>
  1-A1    81743RAA0       SEN            1.24000%            0.00           0.00            0.00            0.00             0.00
  1-A2    81743RAB8       SEN            3.45500%   47,753,636.74     137,490.68    7,665,160.66            0.00    40,088,476.08
   2A     81743RAC6       SEN            1.41000%  405,693,894.74     476,690.32    8,951,475.94            0.00   396,742,418.80
   3A     81743RAD4       SEN            2.97568%   41,083,983.66     101,877.20      727,685.32            0.00    40,356,298.34
   X-1    81743RAE2        IO            1.79439%            0.00      71,407.18            0.00            0.00             0.00
  X-2A   81743RAFf9        IO            1.03735%            0.00     144,549.93            0.00            0.00             0.00
  X-2B    81743AFG7        IO            1.23926%            0.00     246,282.58            0.00            0.00             0.00
   X-B    81743RAH5        IO            1.29266%            0.00       9,769.31            0.00            0.00             0.00
   A-R    81743RAJ1       SEN            5.37281%            0.00           0.00            0.00            0.00             0.00
   B-1    81743RAK8       SUB            1.78500%    9,069,000.00      13,490.14            0.00            0.00     9,069,000.00
   B-2    81743RAL6       SUB            3.07766%    5,505,000.00      14,118.78            0.00            0.00     5,505,000.00
   B-3    81743RAM4       SUB            3.07766%    3,886,000.00       9,966.50            0.00            0.00     3,886,000.00
   B-4    SMT0208B4       SUB            3.07766%    1,618,000.00       4,149.72            0.00            0.00     1,618,000.00
   B-5    SMT0208B5       SUB            3.07766%      970,000.00       2,487.78            0.00            0.00       970,000.00
   B-6    SMT0208B6       SUB            3.07766%    2,306,324.82       5,915.08            0.00            0.00     2,306,324.82
                                                   --------------   ------------   -------------   -------------   --------------
Totals                                             517,885,839.96   1,238,195.20   17,344,321.92            0.00   500,541,518.04
                                                   --------------   ------------   -------------   -------------   --------------
<Caption>

             Total       Cumulative
 Class   Distribution   Realized Loss
 -----  -------------   -------------
<S>     <C>             <C>
  1-A1           0.00            0.00
  1-A2   7,802,651.34            0.00
   2A    9,428,166.26            0.00
   3A      829,562.52            0.00
   X-1      71,407.18            0.00
  X-2A     144,549.93            0.00
  X-2B     246,282.58            0.00
   X-B       9,769.31            0.00
   A-R           0.00            0.00
   B-1      13,490.14            0.00
   B-2      14,118.78            0.00
   B-3       9,966.50            0.00
   B-4       4,149.72            0.00
   B-5       2,487.78            0.00
   B-6       5,915.08            0.00
        -------------   -------------
Totals  18,582,517.12            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                                                 Ending
          Original Face     Certificate      Principal       Principal                 Realized   Total Principal     Certificate
  Class      Amount           Balance       Distribution   Distribution    Accretion   Loss (1)      Reduction          Balance
  -----   --------------   --------------   ------------   -------------   ---------   --------   ---------------   --------------
<S>       <C>              <C>              <C>            <C>             <C>         <C>        <C>               <C>
  1-A1     50,000,000.00             0.00           0.00            0.00        0.00       0.00              0.00             0.00
  1-A2     61,468,000.00    47,753,636.74           0.00    7,665,160.66        0.00       0.00      7,665,160.66    40,088,476.08
   2A     463,097,000.00   405,693,894.74           0.00    8,951,475.94        0.00       0.00      8,951,475.94   396,742,418.80
   3A      49,973,000.00    41,083,983.66           0.00      727,685.32        0.00       0.00        727,685.32    40,356,298.34
   X-1              0.00             0.00           0.00            0.00        0.00       0.00              0.00             0.00
  X-2A              0.00             0.00           0.00            0.00        0.00       0.00              0.00             0.00
  X-2B              0.00             0.00           0.00            0.00        0.00       0.00              0.00             0.00
   X-B              0.00             0.00           0.00            0.00        0.00       0.00              0.00             0.00
   A-R            100.00             0.00           0.00            0.00        0.00       0.00              0.00             0.00
   B-1      9,069,000.00     9,069,000.00           0.00            0.00        0.00       0.00              0.00     9,069,000.00
   B-2      5,505,000.00     5,505,000.00           0.00            0.00        0.00       0.00              0.00     5,505,000.00
   B-3      3,886,000.00     3,886,000.00           0.00            0.00        0.00       0.00              0.00     3,886,000.00
   B-4      1,618,000.00     1,618,000.00           0.00            0.00        0.00       0.00              0.00     1,618,000.00
   B-5        970,000.00       970,000.00           0.00            0.00        0.00       0.00              0.00       970,000.00
   B-6      2,306,324.82     2,306,324.82           0.00            0.00        0.00       0.00              0.00     2,306,324.82
          --------------   --------------   ------------   -------------   ---------   --------   ---------------   --------------
Totals    647,892,424.82   517,885,839.96           0.00   17,344,321.92        0.00       0.00     17,344,321.92   500,541,518.04
          --------------   --------------   ------------   -------------   ---------   --------   ---------------   --------------
<Caption>
             Ending
          Certificate   Total Principal
  Class    Percentage     Distribution
  -----   -----------   ---------------
<S>       <C>           <C>
  1-A1     0.00000000              0.00
  1-A2     0.65218449      7,665,160.66
   2A      0.85671559      8,951,475.94
   3A      0.80756205        727,685.32
   X-1     0.00000000              0.00
  X-2A     0.00000000              0.00
  X-2B     0.00000000              0.00
   X-B     0.00000000              0.00
   A-R     0.00000000              0.00
   B-1     1.00000000              0.00
   B-2     1.00000000              0.00
   B-3     1.00000000              0.00
   B-4     1.00000000              0.00
   B-5     1.00000000              0.00
   B-6     1.00000000              0.00
          -----------   ---------------
Totals     0.77256887     17,344,321.92
          -----------   ---------------
</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.


                    PRINCIPAL DISTRIBUTION FACTORS STATEMENT
<Table>
<Caption>
                           Beginning       Scheduled      Unscheduled                                                     Ending
        Original Face     Certificate      Principal       Principal                   Realized    Total Principal     Certificate
Class      Amount           Balance       Distribution   Distribution    Accretion     Loss (3)       Reduction          Balance
-----   --------------   --------------   ------------   -------------   ----------   ----------   ---------------   -------------
<S>     <C>              <C>              <C>            <C>             <C>          <C>          <C>               <C>
 1-A1    50,000,000.00       0.00000000     0.00000000      0.00000000   0.00000000   0.00000000        0.00000000      0.00000000
 1-A2    61,468,000.00     776.88613165     0.00000000    124.70164411   0.00000000   0.00000000      124.70164411    652.18448754
  2A    463,097,000.00     876.04518004     0.00000000     19.32959173   0.00000000   0.00000000       19.32959173    856.71558831
  3A     49,973,000.00     822.12361995     0.00000000     14.56156965   0.00000000   0.00000000       14.56156965    807.56205031
  X-1             0.00       0.00000000     0.00000000      0.00000000   0.00000000   0.00000000        0.00000000      0.00000000
 X-2A             0.00       0.00000000     0.00000000      0.00000000   0.00000000   0.00000000        0.00000000      0.00000000
 X-2B             0.00       0.00000000     0.00000000      0.00000000   0.00000000   0.00000000        0.00000000      0.00000000
  X-B             0.00       0.00000000     0.00000000      0.00000000   0.00000000   0.00000000        0.00000000      0.00000000
  A-R           100.00       0.00000000     0.00000000      0.00000000   0.00000000   0.00000000        0.00000000      0.00000000
  B-1     9,069,000.00    1000.00000000     0.00000000      0.00000000   0.00000000   0.00000000        0.00000000   1000.00000000
  B-2     5,505,000.00    1000.00000000     0.00000000      0.00000000   0.00000000   0.00000000        0.00000000   1000.00000000
  B-3     3,886,000.00    1000.00000000     0.00000000      0.00000000   0.00000000   0.00000000        0.00000000   1000.00000000
  B-4     1,618,000.00    1000.00000000     0.00000000      0.00000000   0.00000000   0.00000000        0.00000000   1000.00000000
  B-5       970,000.00    1000.00000000     0.00000000      0.00000000   0.00000000   0.00000000        0.00000000   1000.00000000
  B-6     2,306,324.82    1000.00000000     0.00000000      0.00000000   0.00000000   0.00000000        0.00000000   1000.00000000

<Caption>
             Ending
          Certificate   Total Principal
  Class    Percentage     Distribution
  -----   -----------   ---------------
<S>       <C>           <C>
   1-A1    0.00000000        0.00000000
   1-A2    0.65218449      124.70164411
    2A     0.85671559       19.32959173
    3A     0.80756205       14.56156965
   X-1     0.00000000        0.00000000
   X-2A    0.00000000        0.00000000
   X-2B    0.00000000        0.00000000
   X-B     0.00000000        0.00000000
   A-R     0.00000000        0.00000000
   B-1     1.00000000        0.00000000
   B-2     1.00000000        0.00000000
   B-3     1.00000000        0.00000000
   B-4     1.00000000        0.00000000
   B-5     1.00000000        0.00000000
   B-6     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                    Payment of                 Non-
                             Current       Certificate/      Current       Unpaid      Current     Supported
          Original Face    Certificate       Notional        Accrued      Interest     Interest    Interest    Realized
 Class       Amount            Rate          Balance         Interest     Shortfall    Shortfall   Shortfall    Loss (4)
 -----    --------------   -----------    --------------   ------------   ----------   ---------   ---------   ---------
<S>       <C>              <C>             <C>              <C>            <C>          <C>         <C>         <C>
  1-A1     50,000,000.00       1.24000%             0.00           0.00         0.00        0.00        0.00        0.00
  1-A2     61,468,000.00       3.45500%    47,753,636.74     137,490.68         0.00        0.00        0.00        0.00
   2A     463,097,000.00       1.41000%   405,693,894.74     476,690.33         0.00        0.00        0.00        0.00
   3A      49,973,000.00       2.97568%    41,083,983.66     101,877.20         0.00        0.00        0.00        0.00
   X-1              0.00       1.79439%    47,753,636.74      71,407.18         0.00        0.00        0.00        0.00
  X-2A              0.00       1.03735%   167,214,398.87     144,549.93         0.00        0.00        0.00        0.00
  X-2B              0.00       1.23926%   238,479,495.87     246,282.58         0.00        0.00        0.00        0.00
   X-B              0.00       1.29266%     9,069,000.00       9,769.31         0.00        0.00        0.00        0.00
   A-R            100.00       5.37281%             0.00           0.00         0.00        0.00        0.00        0.00
   B-1      9,069,000.00       1.78500%     9,069,000.00      13,490.14         0.00        0.00        0.00        0.00
   B-2      5,505,000.00       3.07766%     5,505,000.00      14,118.78         0.00        0.00        0.00        0.00
   B-3      3,886,000.00       3.07766%     3,886,000.00       9,966.50         0.00        0.00        0.00        0.00
   B-4      1,618,000.00       3.07766%     1,618,000.00       4,149.72         0.00        0.00        0.00        0.00
   B-5        970,000.00       3.07766%       970,000.00       2,487.78         0.00        0.00        0.00        0.00
   B-6      2,306,324.82       3.07766%     2,306,324.82       5,915.08         0.00        0.00        0.00        0.00
          --------------                                   ------------   ----------   ---------   ---------   ---------
 Totals   647,892,424.82                                   1,238,195.21         0.00        0.00        0.00        0.00
          --------------                                   ------------   ----------   ---------   ---------   ---------
<Caption>
                           Remaining       Ending
                              Unpaid    Certificate/
          Total Interest    Interest     Notational
 Class     Distribution    Shortfall      Balance
 -----    --------------   ---------   --------------
<S>       <C>              <C>         <C>
  1-A1              0.00        0.00             0.00
  1-A2        137,490.68        0.00    40,088,476.08
   2A         476,690.32        0.00   396,742,418.80
   3A         101,877.20        0.00    40,356,298.34
   X-1         71,407.18        0.00    40,088,476.08
  X-2A        144,549.93        0.00   165,223,318.73
  X-2B        246,282.58        0.00   231,519,100.07
   X-B          9,769.31        0.00     9,069,000.00
   A-R              0.00        0.00             0.00
   B-1         13,490.14        0.00     9,069,000.00
   B-2         14,118.78        0.00     5,505,000.00
   B-3          9,966.50        0.00     3,886,000.00
   B-4          4,149.72        0.00     1,618,000.00
   B-5          2,487.78        0.00       970,000.00
   B-6          5,915.08        0.00     2,306,324.82
          --------------   ---------
 Totals     1,238,195.20       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>
                                              Beginning                  Payment of                  Non-
                              Current       Certificate/     Current       Unpaid      Current      Supported
 Class    Original Face     Certificate       Notional       Accrued      Interest     Interest     Interest      Realized
  (5)        Amount             Rate          Balance        Interest     Shortfall    Shortfall    Shortfall     Loss (6)
 -----    --------------   ------------    --------------   ----------   ----------   ----------   ----------   ----------
<S>       <C>              <C>             <C>              <C>          <C>          <C>          <C>          <C>
  1-A1     50,000,000.00        1.24000%       0.00000000   0.00000000   0.00000000   0.00000000   0.00000000   0.00000000
  1-A2     61,468,000.00        3.45500%     776.88613165   2.23678467   0.00000000   0.00000000   0.00000000   0.00000000
   2A     463,097,000.00        1.41000%     876.04518004   1.02935309   0.00000000   0.00000000   0.00000000   0.00000000
   3A      49,973,000.00        2.97568%     822.12361995   2.03864487   0.00000000   0.00000000   0.00000000   0.00000000
   X-1              0.00        1.79439%     428.40668838   0.64060699   0.00000000   0.00000000   0.00000000   0.00000000
  X-2A              0.00        1.03735%     887.71606023   0.76739381   0.00000000   0.00000000   0.00000000   0.00000000
  X-2B              0.00        1.23926%     868.04327236   0.89644578   0.00000000   0.00000000   0.00000000   0.00000000
   X-B              0.00        1.29266%    1000.00000000   1.07722020   0.00000000   0.00000000   0.00000000   0.00000000
   A-R            100.00        5.37281%       0.00000000   0.00000000   0.00000000   0.00000000   0.00000000   0.00000000
   B-1      9,069,000.00        1.78500%    1000.00000000   1.48750028   0.00000000   0.00000000   0.00000000   0.00000000
   B-2      5,505,000.00        3.07766%    1000.00000000   2.56471935   0.00000000   0.00000000   0.00000000   0.00000000
   B-3      3,886,000.00        3.07766%    1000.00000000   2.56471951   0.00000000   0.00000000   0.00000000   0.00000000
   B-4      1,618,000.00        3.07766%    1000.00000000   2.56472188   0.00000000   0.00000000   0.00000000   0.00000000
   B-5        970,000.00        3.07766%    1000.00000000   2.56472165   0.00000000   0.00000000   0.00000000   0.00000000
   B-6      2,306,324.82        3.07766%    1000.00000000   2.56472113   0.00000000   0.00000000   0.00000000   0.00000000

<Caption>
                           Remaining       Ending
                             Unpaid     Certificate/
 Class    Total Interest    Interest     Notational
  (5)      Distribution    Shortfall      Balance
 -----    --------------   ----------   -------------
<S>       <C>              <C>          <C>
  1-A1        0.00000000   0.00000000      0.00000000
  1-A2        2.23678467   0.00000000    652.18448754
   2A         1.02935307   0.00000000    856.71558831
   3A         2.03864487   0.00000000    807.56205031
   X-1        0.64060699   0.00000000    359.64111745
  X-2A        0.76739381   0.00000000    877.14571564
  X-2B        0.89644578   0.00000000    842.70807646
   X-B        1.07722020   0.00000000   1000.00000000
   A-R        0.00000000   0.00000000      0.00000000
   B-1        1.48750028   0.00000000   1000.00000000
   B-2        2.56471935   0.00000000   1000.00000000
   B-3        2.56471951   0.00000000   1000.00000000
   B-4        2.56472188   0.00000000   1000.00000000
   B-5        5.56472165   0.00000000   1000.00000000
   B-6        2.56472113   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.


                       CERTIFICATEHOLDER ACCOUNT STATEMENT


                               CERTIFICATE ACCOUNT
<Table>
<S>                                                        <C>
Beginning Balance                                                   0.00

Deposits
         Payments of Interest and Principal                18,764,063.28
         Liquidations, Insurance Proceeds, Reserve Funds            0.00
         Proceeds from Repurchased Loans                            0.00
         Other Amounts (Servicer Advances)                          0.00
         Realized Losses                                            0.00
         Prepayment Penalties                                       0.00
                                                           -------------
Total Deposits                                             18,764,063.28

Withdrawals
         Reimbursement for Servicer Advances                   16,691.81
         Payment of Service Fee                               164,854.34
         Payment of Interest and Principal                 18,582,517.13
                                                           -------------
Total Withdrawals (Pool Distribution Amount)               18,764,063.28

Ending Balance                                                      0.00
                                                           =============
</Table>



<PAGE>


                    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                                        160,970.19
Master Servicing Fee                                         3,884.15
Non-Supported Prepayment/Curtailment Interest Shortfall          0.00
                                                           ----------

Net Servicing Fee                                          164,854.34
                                                           ==========
</Table>


<Table>
<Caption>

                                    Beginning     Current     Current     Ending
         Account Type                Balance    Withdrawals   Deposits    Balance
         ------------               ---------   -----------   --------  ---------
<S>                                 <C>         <C>           <C>        <C>
Class X-1 Basis Risk Reserve Fund    2,500.00       0.00         0.00    2,500.00
Class X-2 Basis Risk Reserve Fund    5,000.00       0.00         0.00    5,000.00
Class X-B Basis Risk Reserve Fund    2,500.00       0.00         0.00    2,500.00
</Table>


<PAGE>


             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%

<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>

Current Period Class A Insufficient Funds:           0.00
Principal Balance of Contaminated Properties         0.00
Periodic Advance                                     0.00



<PAGE>


<Table>
<Caption>
                   Original $      Original %        Current $        Current %      Current Class %     Prepayment %
-------         --------------    ------------    --------------    -------------    ---------------    -------------
<S>             <C>               <C>             <C>               <C>              <C>                <C>
Class A         647,892,324.82    99.99998457%    500,541,518.04    100.00000000%       95.334188%          0.000000%
Class 1-A-1     597,892.324.82    92.28265402%    500,541,518.04    100.00000000%        0.000000%          0.000000%
Class 1-A-2     536,424,324.82    82.79527654%    460,453,041.96     91.99097884%        8.009021%        171.653329%
Class 2A         73,327,324.82    11.31782407%     63,710,623.16     12.72833938%       79.262639%      1,698.796355%
Class 3A         23,354,324.82     3.60466089%     23,354,324.82      4.66581172%        8.062528%        172.800107%
Class X-1        23,354,324.82     3.60466089%     23,354,324.82      4.66581172%        0.000000%          0.000000%
Class B-1        14,285,324.82     2.20489147%     14,285,324.82      2.85397401%        1.811838%         38.832208%
Class B-2         8,780,324.82     1.35521338%      8,780,324.82      1.75416514%        1.099809%         23.571651%
Class B-3         4,894,324.82     0.75542245%      4,894,324.82      0.97780596%        0.776359%         16.639316%
Class B-4         3,276,324.82     0.50568963%      3,276,324.82      0.65455606%        0.323250%          6.928053%
Class B-5         2,306,324.82     0.35597342%      2,306,324.82      0.46076594%        0.193790%          4.153406%
Class B-6                 0.00     0.00000000%              0.00      0.00000000%        0.460766%          9.875365%
</Table>

Please refer to the prospectus supplement for a full description of loss
exposure

<Table>
<Caption>
                    Original $      Original %      Current $       Current %
<S>               <C>              <C>            <C>              <C>
    Bankruptcy       126,045.00    0.01945462%       126,045.00    0.02518173%
         Fraud    19,436,773.00    3.00000004%    10,357,716.80    2.06930223%
Special Hazard    15,500,000.00    2.39237247%    15,499,500.00    3.09654633%
</Table>

Limit of subordinate's exposure to certain types of losses



<PAGE>


                           DELINQUENCY STATUS BY GROUP

                                     GROUP 1
<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%

<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%

<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 3
<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%

<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>
<S>                                                    <C>
Collateral Description                                      Mixed Arm
Weighted Average Gross Coupon                                3.251024%
Weighted Average Net Coupon                                  2.878038%
Weighted Average Pass-Through Rate                           2.869038%
Weighted Average Maturity (Stepdown Calculation)                  318

Beginning Scheduled Collateral Loan Count                       1,367
Number of Loans Paid in Full                                       45
Ending Scheduled Collateral Loan Count                          1,322

Beginning Scheduled Collateral Balance                 517,885,839.96
Ending Scheduled Collateral Balance                    500,541,518.04
Ending Actual Collateral Balance at 29-Aug-2003        500,534,799.20

Monthly P&I Constant                                     1,403,049.55
Special Servicing Fee                                            0.00
Prepayment Penalties                                             0.00
Realization Loss Amount                                          0.00
Cumulative Realized Loss                                         0.00

Class A Optimal Amount                                  18,522,619.83

Ending Scheduled Balance for Premium Loans             500,541,518.04

Scheduled Principal                                              0.00
Unscheduled Principal                                   17,344,321.92

</Table>


                            MISCELLANEOUS REPORTING

<Table>
<S>                                                    <C>
One Month Libor Loan Balance                           172,425,438.88
Six Month Libor Loan Balance - POOL 1                   44,251,758.97
Six Month Libor Loan Balance - POOL 2                  241,611,067.66
Six Month Libor Loan Balance - POOL 3                   42,253,252.53
Pro Rata Senior Percent                                    95.490449%
Senior Percentage                                         100.000000%
Senior Prepay Percentage                                  100.000000%
Subordinate Percentage                                      0.000000%
Subordinate Prepayment Percentage                           0.000000%
</Table>


<PAGE>


<Table>
<Caption>
                 GROUP                        1                   2                    3                TOTAL
<S>                                    <C>                 <C>                   <C>                 <C>
Collateral Description                     Mixed ARM            Mixed ARM            Mixed ARM            Mixed ARM
Weighted Average Coupon Rate                5.508389             2.962918             3.359677             3.251024
Weighted Average Net Rate                   5.258390             2.575042             2.984677             2.878038
Pass-Through Rate                           5.249389             2.566042             2.975677             2.869038
Weighted Average Maturity                        342                  309                  346                  318
Record Date                               08/29/2003           08/29/2003           08/29/2003           08/29/2003
Principal and Interest Constant           238,315.51         1,044,399.00           120,335.04         1,403,049.55
Beginning Loan Count                             107                1,131                  129                1,367
Loans Paid in Full                                17                   25                    3                   45
Ending Loan Count                                 90                1,106                  126                1,322
Beginning Scheduled Balance            51,916,919.63       422,987,982.48        42,980,937.85       517,885,839.96
Ending Scheduled Balance               44,251,758.97       414,036,506.54        42,253,252.53       500,541,518.04
Scheduled Principal                             0.00                 0.00                 0.00                 0.00
Unscheduled Principal                   7,665,160.66         8,951,475.94           727,685.32        17,344,321.92
Scheduled Interest                        238,315.51         1,044,399.00           120,335.04         1,403,049.55
Servicing Fee                              10,816.02           136,722.63            13,431.54           160,970.19
Master Servicing Fee                          389.38             3,172.41               322.36             3,884.15
Trustee Fee                                     0.00                 0.00                 0.00                 0.00
FRY Amount                                      0.00                 0.00                 0.00                 0.00
Special Hazard Fee                              0.00                 0.00                 0.00                 0.00
Other Fee                                       0.00                 0.00                 0.00                 0.00
Pool Insurance Fee                              0.00                 0.00                 0.00                 0.00
Spread 1                                        0.00                 0.00                 0.00                 0.00
Spread 2                                        0.00                 0.00                 0.00                 0.00
Spread 3                                        0.00                 0.00                 0.00                 0.00
Net Interest                              227,110.11           904,503.96           106,581.14         1,238,195.21
Realized Loss Amount                            0.00                 0.00                 0.00                 0.00
Cumulative Realized Loss                        0.00                 0.00                 0.00                 0.00
Percentage of Cumulative Losses                 0.00                 0.00                 0.00                 0.00
Prepayment Penalties                            0.00                 0.00                 0.00                 0.00
Special Servicing Fee                           0.00                 0.00                 0.00                 0.00
</Table>