Document:

<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 2002-10
                          RECORD DATE: AUGUST 29, 2003
                      DISTRIBUTION DATE: SEPTEMBER 22, 2003

                     CERTIFICATEHOLDER DISTRIBUTION SUMMARY

<Table>
<Caption>
                                   Certificate Class       Certificate        Beginning Certificate
   Class           CUSIP              Description       Pass-Through Rate            Balance           Interest Distribution
---------- ----------------------- ------------------- -------------------- -------------------------- ----------------------
<S>        <C>                     <C>                 <C>                  <C>                        <C>
     1A          81743VAA1                SEN                     1.51000%             757,276,884.45             952,906.75
     2A-1        81743VAB9                SEN                     1.49000%             176,473,931.77             219,121.80
     2A-2        81743VAN3                SEN                     1.79000%               3,500,000.00               5,220.83
     X-1A        81743VAC7                IO                      1.12520%                       0.00             337,068.24
     X-1B        81743VAD5                IO                      1.30357%                       0.00             432,132.49
     X-2         81743VAP8                IO                      1.31582%                       0.00             197,344.07
     X-B         81743VAE3                IO                      0.72446%                       0.00              15,530.55
     A-R         81743VAF0                SEN                     3.37699%                       0.00                   0.00
     B-1         81743VAG8                SUB                     1.91000%              12,600,000.00              20,055.00
     B-2         81743VAH6                SUB                     1.91000%               8,400,000.00              13,370.00
     B-3         81743VAJ2                SUB                     2.51000%               4,725,000.00               9,883.13
     B-4         SMT0210B4                SUB                     2.74466%               2,625,000.00               6,003.95
     B-5         SMT0210B5                SUB                     2.74466%               2,100,000.00               4,803.16
     B-6         SMT0210B6                SUB                     2.74466%               3,685,162.00               8,428.77
           ----------------------- ------------------- -------------------- -------------------------- ----------------------
Totals                                                                                 971,385,978.22           2,221,868.74
           ----------------------- ------------------- -------------------- -------------------------- ----------------------

<Caption>

                                                              Ending Certificate                            Cumulative Realized
  Class    Principal Distribution  Current Realized Loss           Balance            Total Distribution            Loss
---------- ----------------------- ----------------------- ------------------------- --------------------- -----------------------
<S>        <C>                     <C>                     <C>                       <C>                   <C>
     1A             12,788,648.81                    0.00            744,488,235.64         13,741,555.56                    0.00
     2A-1            3,017,074.78                    0.00            173,456,856.99          3,236,196.58                    0.00
     2A-2                    0.00                    0.00              3,500,000.00              5,220.83                    0.00
     X-1A                    0.00                    0.00                      0.00            337,068.24                    0.00
     X-1B                    0.00                    0.00                      0.00            432,132.49                    0.00
     X-2                     0.00                    0.00                      0.00            197,344.07                    0.00
     X-B                     0.00                    0.00                      0.00             15,530.55                    0.00
     A-R                     0.00                    0.00                      0.00                  0.00                    0.00
     B-1                     0.00                    0.00             12,600,000.00             20,055.00                    0.00
     B-2                     0.00                    0.00              8,400,000.00             13,370.00                    0.00
     B-3                     0.00                    0.00              4,725,000.00              9,883.13                    0.00
     B-4                     0.00                    0.00              2,625,000.00              6,003.95                    0.00
     B-5                     0.00                    0.00              2,100,000.00              4,803.16                    0.00
     B-6                     0.00                    0.00              3,685,162.00              8,428.77                    0.00
           ----------------------- ----------------------- ------------------------- --------------------- -----------------------
Totals              15,805,723.59                    0.00            955,580,254.63         18,027,592.33                    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>
   1A         822,375,000.00     757,276,884.45               0.00      12,788,648.81               0.00               0.00
   2A-1       190,000,000.00     176,473,931.77               0.00       3,017,074.78               0.00               0.00
   2A-2         3,500,000.00       3,500,000.00               0.00               0.00               0.00               0.00
   X-1A                 0.00               0.00               0.00               0.00               0.00               0.00
   X-1B                 0.00               0.00               0.00               0.00               0.00               0.00
   X-2                  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
   A-R                100.00               0.00               0.00               0.00               0.00               0.00
   B-1         12,600,000.00      12,600,000.00               0.00               0.00               0.00               0.00
   B-2          8,400,000.00       8,400,000.00               0.00               0.00               0.00               0.00
   B-3          4,725,000.00       4,725,000.00               0.00               0.00               0.00               0.00
   B-4          2,625,000.00       2,625,000.00               0.00               0.00               0.00               0.00
   B-5          2,100,000.00       2,100,000.00               0.00               0.00               0.00               0.00
   B-6          3,685,162.00       3,685,162.00               0.00               0.00               0.00               0.00
            ----------------   ----------------   ----------------   ----------------   ----------------   ----------------
Totals      1,050,010,262.00     971,385,978.22               0.00      15,805,723.59               0.00               0.00
            ----------------   ----------------   ----------------   ----------------   ----------------   ----------------

<Caption>

                                   Ending             Ending
            Total Principal      Certificate        Certificate      Total Principal
  Class        Reduction           Balance           Percentage        Distribution
---------   ----------------   ----------------   ----------------   ----------------
<S>         <C>                <C>                <C>                <C>
   1A          12,788,648.81     744,488,235.64         0.90529045      12,788,648.81
   2A-1         3,017,074.78     173,456,856.99         0.91293083       3,017,074.78
   2A-2                 0.00       3,500,000.00         1.00000000               0.00
   X-1A                 0.00               0.00         0.00000000               0.00
   X-1B                 0.00               0.00         0.00000000               0.00
   X-2                  0.00               0.00         0.00000000               0.00
   X-B                  0.00               0.00         0.00000000               0.00
   A-R                  0.00               0.00         0.00000000               0.00
   B-1                  0.00      12,600,000.00         1.00000000               0.00
   B-2                  0.00       8,400,000.00         1.00000000               0.00
   B-3                  0.00       4,725,000.00         1.00000000               0.00
   B-4                  0.00       2,625,000.00         1.00000000               0.00
   B-5                  0.00       2,100,000.00         1.00000000               0.00
   B-6                  0.00       3,685,162.00         1.00000000               0.00
            ----------------   ----------------   ----------------   ----------------
Totals         15,805,723.59     955,580,254.63         0.91006754      15,805,723.59
            ----------------   ----------------   ----------------   ----------------
</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                                        Total
            Original Face     Certificate     Principal        Principal                       Realized        Principal
  Class        Amount           Balance      Distribution    Distribution      Accretion        Loss (3)       Reduction
---------   --------------   -------------   -------------   -------------   -------------   -------------   -------------
<S>         <C>              <C>             <C>             <C>             <C>             <C>             <C>
   1A       822,375,000.00    920.84132476      0.00000000     15.55087255      0.00000000      0.00000000     15.55087255
  2A-1      190,000,000.00    928.81016721      0.00000000     15.87934095      0.00000000      0.00000000     15.87934095
  2A-2        3,500,000.00   1000.00000000      0.00000000      0.00000000      0.00000000      0.00000000      0.00000000
  X-1A                0.00      0.00000000      0.00000000      0.00000000      0.00000000      0.00000000      0.00000000
  X-1B                0.00      0.00000000      0.00000000      0.00000000      0.00000000      0.00000000      0.00000000
  X-2                 0.00      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
  A-R               100.00      0.00000000      0.00000000      0.00000000      0.00000000      0.00000000      0.00000000
  B-1        12,600,000.00   1000.00000000      0.00000000      0.00000000      0.00000000      0.00000000      0.00000000
  B-2         8,400,000.00   1000.00000000      0.00000000      0.00000000      0.00000000      0.00000000      0.00000000
  B-3         4,725,000.00   1000.00000000      0.00000000      0.00000000      0.00000000      0.00000000      0.00000000
  B-4         2,625,000.00   1000.00000000      0.00000000      0.00000000      0.00000000      0.00000000      0.00000000
  B-5         2,100,000.00   1000.00000000      0.00000000      0.00000000      0.00000000      0.00000000      0.00000000
  B-6         3,685,162.00   1000.00000000      0.00000000      0.00000000      0.00000000      0.00000000      0.00000000

<Caption>

              Ending          Ending         Total
            Certificate     Certificate     Principal
  Class       Balance       Percentage     Distribution
---------  -------------   -------------   -------------
<S>        <C>             <C>             <C>
   1A       905.29045221      0.90529045     15.55087255
  2A-1      912.93082626      0.91293083     15.87934095
  2A-2     1000.00000000      1.00000000      0.00000000
  X-1A        0.00000000      0.00000000      0.00000000
  X-1B        0.00000000      0.00000000      0.00000000
  X-2         0.00000000      0.00000000      0.00000000
  X-B         0.00000000      0.00000000      0.00000000
  A-R         0.00000000      0.00000000      0.00000000
  B-1      1000.00000000      1.00000000      0.00000000
  B-2      1000.00000000      1.00000000      0.00000000
  B-3      1000.00000000      1.00000000      0.00000000
  B-4      1000.00000000      1.00000000      0.00000000
  B-5      1000.00000000      1.00000000      0.00000000
  B-6      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>

                                                                                                Payment of
                                                           Beginning           Current            Unpaid             Current
                   Original Face        Current           Certificate/         Accrued           Interest           Interest
    Class             Amount        Certificate Rate    Notional Balance       Interest          Shortfall          Shortfall
--------------   ----------------   ----------------    ----------------   ----------------   ----------------   ----------------
<S>              <C>                <C>                 <C>                <C>                <C>                <C>
     1A            822,375,000.00            1.51000%     757,276,884.45         952,906.75               0.00               0.00
    2A-1           190,000,000.00            1.49000%     176,473,931.77         219,121.80               0.00               0.00
    2A-2             3,500,000.00            1.79000%       3,500,000.00           5,220.83               0.00               0.00
    X-1A                     0.00            1.12520%     359,476,911.14         337,068.24               0.00               0.00
    X-1B                     0.00            1.30357%     397,799,973.31         432,132.49               0.00               0.00
     X-2                     0.00            1.31582%     179,973,931.77         197,344.07               0.00               0.00
     X-B                     0.00            0.72446%      25,725,000.00          15,530.55               0.00               0.00
     A-R                   100.00            3.37699%               0.00               0.00               0.00               0.00
     B-1            12,600,000.00            1.91000%      12,600,000.00          20,055.00               0.00               0.00
     B-2             8,400,000.00            1.91000%       8,400,000.00          13,370.00               0.00               0.00
     B-3             4,725,000.00            2.51000%       4,725,000.00           9,883.13               0.00               0.00
     B-4             2,625,000.00            2.74466%       2,625,000.00           6,003.95               0.00               0.00
     B-5             2,100,000.00            2.74466%       2,100,000.00           4,803.16               0.00               0.00
     B-6             3,685,162.00            2.74466%       3,685,162.00           8,428.77               0.00               0.00
--------------   ----------------   ----------------    ----------------   ----------------   ----------------   ----------------
   Totals        1,050,010,262.00                                              2,221,868.74               0.00               0.00
--------------   ----------------   ----------------    ----------------   ----------------   ----------------   ----------------

<Caption>

                                                                             Remaining            Ending
                  Non-Supported                                               Unpaid           Certificate/
                    Interest             Realized       Total Interest        Interest          Notational
    Class           Shortfall            Loss (4)        Distribution        Shortfall            Balance
--------------   ----------------   ----------------   ----------------   ----------------   ----------------
<S>              <C>                <C>                <C>                <C>                <C>
     1A                      0.00               0.00         952,906.75               0.00     744,488,235.64
    2A-1                     0.00               0.00         219,121.80               0.00     173,456,856.99
    2A-2                     0.00               0.00           5,220.83               0.00       3,500,000.00
    X-1A                     0.00               0.00         337,068.24               0.00     353,277,362.00
    X-1B                     0.00               0.00         432,132.49               0.00     391,210,873.64
     X-2                     0.00               0.00         197,344.07               0.00     176,956,856.99
     X-B                     0.00               0.00          15,530.55               0.00      25,725,000.00
     A-R                     0.00               0.00               0.00               0.00               0.00
     B-1                     0.00               0.00          20,055.00               0.00      12,600,000.00
     B-2                     0.00               0.00          13,370.00               0.00       8,400,000.00
     B-3                     0.00               0.00           9,883.13               0.00       4,725,000.00
     B-4                     0.00               0.00           6,003.95               0.00       2,625,000.00
     B-5                     0.00               0.00           4,803.16               0.00       2,100,000.00
     B-6                     0.00               0.00           8,428.77               0.00       3,685,162.00
                 ----------------   ----------------   ----------------   ----------------   ----------------
   Totals                    0.00               0.00       2,221,868.74               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.

                     INTEREST DISTRIBUTION FACTORS STATEMENT

<Table>
<Caption>
                                                                                                Payment of
                                                           Beginning           Current            Unpaid              Current
                   Original Face        Current           Certificate/         Accrued           Interest            Interest
  Class (5)           Amount        Certificate Rate    Notional Balance       Interest          Shortfall           Shortfall
--------------   ----------------   ----------------    ----------------   ----------------   ----------------   ----------------
<S>              <C>                <C>                 <C>                <C>                <C>                <C>
     1A            822,375,000.00            1.51000%       920.84132476         1.15872534         0.00000000         0.00000000
    2A-1           190,000,000.00            1.49000%       928.81016721         1.15327263         0.00000000         0.00000000
    2A-2             3,500,000.00            1.79000%      1000.00000000         1.49166571         0.00000000         0.00000000
    X-1A                     0.00            1.12520%       914.79309370         0.85776774         0.00000000         0.00000000
    X-1B                     0.00            1.30357%       926.37608848         1.00632788         0.00000000         0.00000000
    X-2                      0.00            1.31582%       930.09783860         1.01986599         0.00000000         0.00000000
    X-B                      0.00            0.72446%      1000.00000000         0.60371429         0.00000000         0.00000000
    A-R                    100.00            3.37699%         0.00000000         0.00000000         0.00000000         0.00000000
    B-1             12,600,000.00            1.91000%      1000.00000000         1.59166667         0.00000000         0.00000000
    B-2              8,400,000.00            1.91000%      1000.00000000         1.59166667         0.00000000         0.00000000
    B-3              4,725,000.00            2.51000%      1000.00000000         2.09166772         0.00000000         0.00000000
    B-4              2,625,000.00            2.74466%      1000.00000000         2.28721905         0.00000000         0.00000000
    B-5              2,100,000.00            2.74466%      1000.00000000         2.28721905         0.00000000         0.00000000
    B-6              3,685,162.00            2.74466%      1000.00000000         2.28721831         0.00000000         0.00000000

<Caption>

                                                                            Remaining             Ending
                  Non-Supported                                               Unpaid           Certificate/
                    Interest            Realized        Total Interest       Interest           Notational
  Class (5)         Shortfall           Loss (6)         Distribution        Shortfall            Balance
--------------   ----------------   ----------------   ----------------   ----------------   ----------------
<S>              <C>                <C>                <C>                <C>                <C>
     1A                0.00000000         0.00000000         1.15872534         0.00000000       905.29045221
    2A-1               0.00000000         0.00000000         1.15327263         0.00000000       912.93082626
    2A-2               0.00000000         0.00000000         1.49166571         0.00000000      1000.00000000
    X-1A               0.00000000         0.00000000         0.85776774         0.00000000       899.01654571
    X-1B               0.00000000         0.00000000         1.00632788         0.00000000       911.03173255
    X-2                0.00000000         0.00000000         1.01986599         0.00000000       914.50572088
    X-B                0.00000000         0.00000000         0.60371429         0.00000000      1000.00000000
    A-R                0.00000000         0.00000000         0.00000000         0.00000000         0.00000000
    B-1                0.00000000         0.00000000         1.59166667         0.00000000      1000.00000000
    B-2                0.00000000         0.00000000         1.59166667         0.00000000      1000.00000000
    B-3                0.00000000         0.00000000         2.09166772         0.00000000      1000.00000000
    B-4                0.00000000         0.00000000         2.28721905         0.00000000      1000.00000000
    B-5                0.00000000         0.00000000         2.28721905         0.00000000      1000.00000000
    B-6                0.00000000         0.00000000         2.28721831         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                  18,231,734.77
            Liquidations, Insurance Proceeds, Reserve Funds              0.00
            Proceeds from Repurchased Loans                              0.00
            Other Amounts (Servicer Advances)                          464.00
            Realized Losses                                              0.00
            Prepayment Penalties                                         0.00
                                                              ---------------
Total Deposits                                                  18,232,198.77

Withdrawals
            Reimbursement for Servicer Advances                      2,234.38
            Payment of Service Fee                                 202,372.06
            Payment of Interest and Principal                   18,027,592.33
                                                              ---------------
Total Withdrawals (Pool Distribution Amount)                    18,232,198.77

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                                        202,372.06
Supported Prepayment/Curtailment Interest Shortfall              0.00
                                                      ---------------

Net Servicing Fee                                          202,372.06
                                                      ===============
</Table>

<PAGE>

<Table>
<Caption>
                                                                  Beginning       Current           Current          Ending
                        Account Type                               Balance       Withdrawals        Deposits         Balance
------------------------------------------------------------   --------------   --------------   --------------   --------------
<S>                                                            <C>              <C>              <C>              <C>
             Class X-A Basis Risk Reserve Fund                    8,000.00          0.00              0.00           8,000.00
             Class X-B Basis Risk Reserve Fund                    2,000.00          0.00              0.00           2,000.00
</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            1    202,471.80       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
            ----------    ----------                 ----------    ----------                 ----------    ----------
                     1    202,471.80                          0          0.00                          0          0.00

<Caption>

               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     0.000000%     0.000000%    0-29 Days     0.000000%     0.000000%    0-29 Days     0.000000%     0.000000%
  30 Days     0.039293%     0.021188%      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%
            ----------    ----------                 ----------    ----------                 ----------    ----------
              0.039293%     0.021188%                  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            1    202,471.80
  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                          1    202,471.80

<Caption>

               No. of     Principal                    No. of       Principal
                Loans       Balance                     Loans        Balance
<S>         <C>           <C>            <C>        <C>            <C>
0-29 Days     0.000000%     0.000000%    0-29 Days     0.000000%     0.000000%
  30 Days     0.000000%     0.000000%      30 Days     0.039293%     0.021188%
  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%                  0.039293%     0.021188%
</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  464.00
</Table>

<PAGE>

Subordinated Level/Credit Enhancement/Class Percentage and Prepayment Percentage

<Table>
<Caption>
                 Original $        Original %        Current $         Current %         Current Class %         Prepayment %
              ----------------    -----------      --------------     ------------       -------------           ------------
<S>           <C>                 <C>              <C>                <C>                    <C>                      <C>
  Class A     1,050,010,162.00    99.99999048%     955,580,254.63     100.00000000%          96.427808%               0.000000%
 Class 1A       227,635,162.00    21.67932736%     211,092,018.99      22.09045425%          77.909546%           2,181.001032%
Class 2-A-1      37,635,162.00     3.58426611%      37,635,162.00       3.93846166%          18.151993%             508.147162%
Class 2-A-2      34,135,162.00     3.25093604%      34,135,162.00       3.57219206%           0.366270%              10.253357%
 Class X-2       34,135,162.00     3.25093604%      34,135,162.00       3.57219206%           0.000000%               0.000000%
 Class B-1       21,535,162.00     2.05094776%      21,535,162.00       2.25362149%           1.318571%              36.912085%
 Class B-2       13,135,162.00     1.25095558%      13,135,162.00       1.37457445%           0.879047%              24.608057%
 Class B-3        8,410,162.00     0.80095998%       8,410,162.00       0.88011048%           0.494464%              13.842032%
 Class B-4        5,785,162.00     0.55096242%       5,785,162.00       0.60540828%           0.274702%               7.690018%
 Class B-5        3,685,162.00     0.35096438%       3,685,162.00       0.38564652%           0.219762%               6.152014%
 Class B-6                0.00     0.00000000%               0.00       0.00000000%           0.385647%              10.795795%
</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            163,046.00         0.01552804%        163,046.00         0.01706251%
              Fraud         31,500,308.00         3.00000001%     31,500,308.00         3.29645865%
     Special Hazard         11,240,000.00         1.07046573%     10,894,084.34         1.14004913%
</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            1    202,471.80       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
            ----------    ----------                 ----------    ----------                 ----------    ----------
                     1    202,471.80                          0          0.00                          0          0.00

<Caption>

              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     0.000000%     0.000000%    0-29 Days     0.000000%     0.000000%    0-29 Days     0.000000%     0.000000%
  30 Days     0.049727%     0.026223%      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%
            ----------    ----------                 ----------    ----------                 ----------    ----------
              0.049727%     0.026223%                  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            1    202,471.80
   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                          1    202,471.80

<Caption>

               No. of      Principal                    No. of      Principal
                Loans       Balance                      Loans       Balance
 <S>         <C>           <C>            <C>         <C>           <C>
 0-29 Days     0.000000%     0.000000%    0-29 Days     0.000000%     0.000000%
   30 Days     0.000000%     0.000000%      30 Days     0.049727%     0.026223%
   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%                  0.049727%     0.026223%
</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

<Caption>

              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     0.000000%     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

<Caption>

              No. of      Principal                    No. of      Principal
               Loans       Balance                      Loans       Balance
<S>         <C>           <C>            <C>         <C>           <C>
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                                    2.994782%
Weighted Average Net Coupon                                      2.744782%
Weighted Average Pass-Through Rate                               2.744782%
Weighted Average Maturity (Stepdown Calculation)                      287

Beginning Scheduled Collateral Loan Count                           2,588
Number of Loans Paid in Full                                           43
Ending Scheduled Collateral Loan Count                              2,545

Beginning Scheduled Collateral Balance                     971,385,978.22
Ending Scheduled Collateral Balance                        955,580,254.63
Ending Actual Collateral Balance at 29-Aug-2003            955,580,255.81

Monthly P&I Constant                                         2,424,240.80
Special Servicing Fee                                                0.00
Prepayment Penalties                                                 0.00
Realization Loss Amount                                              0.00
Cumulative Realized Loss                                             0.00

Class A Optimal Amount                                      17,949,517.77

Ending Scheduled Balance for Premium Loans                 955,580,254.63

Scheduled Principal                                                  0.00
Unscheduled Principal                                       15,805,723.59
</Table>

<PAGE>

<Table>
<Caption>
              GROUP                                 1                      2                     TOTAL
<S>                                           <C>                  <C>                       <C>
Collateral Description                             Mixed ARM          6 Month ARM                 Mixed ARM
Weighted Average Coupon Rate                        2.978895             3.061652                  2.994782
Weighted Average Net Rate                           2.728895             2.811652                  2.744782
Pass-Through Rate                                   2.728895             2.811652                  2.744782
Weighted Average Maturity                                287                  287                       287
Record Date                                       08/29/2003           08/29/2003                08/29/2003
Principal and Interest Constant                 1,948,467.51           475,773.29              2,424,240.80
Beginning Loan Count                                   2,045                  543                     2,588
Loans Paid in Full                                        34                    9                        43
Ending Loan Count                                      2,011                  534                     2,545
Beginning Scheduled Balance                   784,908,881.45       186,477,096.77            971,385,978.22
Ending Scheduled Balance                      772,120,232.64       183,460,021.99            955,580,254.63
Scheduled Principal                                     0.00                 0.00                      0.00
Unscheduled Principal                          12,788,648.81         3,017,074.78             15,805,723.59
Scheduled Interest                              1,948,467.51           475,773.29              2,424,240.80
Servicing Fee                                     163,522.67            38,849.39                202,372.06
Master Servicing Fee                                    0.00                 0.00                      0.00
Trustee Fee                                             0.00                 0.00                      0.00
FRY Amount                                              0.00                 0.00                      0.00
Special Hazard Fee                                      0.00                 0.00                      0.00
Other Fee                                               0.00                 0.00                      0.00
Pool Insurance Fee                                      0.00                 0.00                      0.00
Spread 1                                                0.00                 0.00                      0.00
Spread 2                                                0.00                 0.00                      0.00
Spread 3                                                0.00                 0.00                      0.00
Net Interest                                    1,784,944.84           436,923.90              2,221,868.74
Realized Loss Amount                                    0.00                 0.00                      0.00
Cumulative Realized Loss                                0.00                 0.00                      0.00
Percentage of Cumulative Losses                         0.00                 0.00                      0.00
Prepayment Penalties                                    0.00                 0.00                      0.00
Special Servicing Fee                                   0.00                 0.00                      0.00
</Table>

<PAGE>

                             MISCELLANEOUS REPORTING
<Table>
<S>                                                     <C>
Group 1

One Month LIBOR Loans                                   366,389,401.30
Six Month LIBOR Loans                                   405,730,831.34
Pro Rata Senior Percentage                                  96.479592%
Senior Percentage                                          100.000000%
Senior Prepayment Percentage                               100.000000%
Subordinate Percentage                                       0.000000%
Subordinate Prepayment Percentage                            0.000000%

Group 2

Pro Rata Senior Percentage                                  96.512620%
Senior Percentage                                          100.000000%
Senior Prepayment Percentage                               100.000000%
Subordinate Percentage                                       0.000000%
Subordinate Prepayment Percentage                            0.000000%
</Table><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 2002-11
                          RECORD DATE: AUGUST 29, 2003
                      DISTRIBUTION DATE: SEPTEMBER 22, 2003

                     CERTIFICATEHOLDER DISTRIBUTION SUMMARY

<Table>
<Caption>
                                            Certificate          Certificate
                                               Class             Pass-Through             Beginning              Interest
    Class                  CUSIP            Description              Rate            Certificate Balance       Distribution
------------------   ------------------   ------------------   ------------------    --------------------   ------------------
<S>                  <C>                  <C>                  <C>                   <C>                    <C>
      A                       81744AAA6                  SEN              1.56000%         634,557,428.12           824,924.62
     X-1A                     81744AAC2                   IO              0.91328%                   0.00           137,541.59
     X-1B                     81744AAD0                   IO              1.15391%                   0.00           436,404.80
     X-B                      81744AAE8                   IO              0.56538%                   0.00             4,582.40
     A-R                      81744AAF5                  SEN              3.25304%                   0.00                 0.00
     B-1                      81744AAB4                  SUB              2.08000%           9,726,000.00            16,858.40
     B-2                      81744AAG3                  SUB              2.64538%           5,764,000.00            12,706.64
     B-3                      81744AAH1                  SUB              2.64538%           3,962,000.00             8,734.16
     B-4                      SMT0211B4                  SUB              2.64538%           1,801,000.00             3,970.27
     B-5                      SMT0211B5                  SUB              2.64538%           1,080,000.00             2,380.84
     B-6                      SMT0211B6                  SUB              2.64538%           2,882,787.00             6,355.05
                     ------------------   ------------------   ------------------    --------------------   ------------------
Totals                                                                                     659,773,215.12         1,454,458.77
                     ------------------   ------------------   ------------------    --------------------   ------------------

<Caption>
                                                                     Ending
                         Principal            Current             Certificate            Total              Cumulative
     Class             Distribution         Realized Loss           Balance           Distribution         Realized Loss
------------------   ------------------   ------------------   ------------------   ------------------   ------------------
<S>                  <C>                  <C>                  <C>                  <C>                  <C>
      A                   11,081,568.75                 0.00       623,475,859.37        11,906,493.37                 0.00
     X-1A                          0.00                 0.00                 0.00           137,541.59                 0.00
     X-1B                          0.00                 0.00                 0.00           436,404.80                 0.00
     X-B                           0.00                 0.00                 0.00             4,582.40                 0.00
     A-R                           0.00                 0.00                 0.00                 0.00                 0.00
     B-1                           0.00                 0.00         9,726,000.00            16,858.40                 0.00
     B-2                           0.00                 0.00         5,764,000.00            12,706.64                 0.00
     B-3                           0.00                 0.00         3,962,000.00             8,734.16                 0.00
     B-4                           0.00                 0.00         1,801,000.00             3,970.27                 0.00
     B-5                           0.00                 0.00         1,080,000.00             2,380.84                 0.00
     B-6                           0.00                 0.00         2,882,787.00             6,355.05                 0.00
                     ------------------   ------------------   ------------------   ------------------   ------------------
Totals                    11,081,568.75                 0.00       648,691,646.37        12,536,027.52                 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            Certificate          Principal            Principal
    Class                  Face Amount           Balance            Distribution         Distribution            Accretion
--------------------   ------------------   ------------------   ------------------   --------------------   ------------------
<S>                    <C>                  <C>                  <C>                  <C>                    <C>
      A                    695,210,000.00       634,557,428.12                 0.00          11,081,568.75                 0.00
     X-1A                            0.00                 0.00                 0.00                   0.00                 0.00
     X-1B                            0.00                 0.00                 0.00                   0.00                 0.00
     X-B                             0.00                 0.00                 0.00                   0.00                 0.00
     A-R                           100.00                 0.00                 0.00                   0.00                 0.00
     B-1                     9,726,000.00         9,726,000.00                 0.00                   0.00                 0.00
     B-2                     5,726,000.00         5,764,000.00                 0.00                   0.00                 0.00
     B-3                     3,962,000.00         3,962,000.00                 0.00                   0.00                 0.00
     B-4                     1,801,000.00         1,801,000.00                 0.00                   0.00                 0.00
     B-5                     1,080,000.00         1,080,000.00                 0.00                   0.00                 0.00
     B-6                     2,882,787.00         2,882,787.00                 0.00                   0.00                 0.00
                       ------------------   ------------------   ------------------   --------------------   ------------------
Totals                     720,425,887.00       659,773,215.12                 0.00          11,081,568.75                 0.00
                       ------------------   ------------------   ------------------   --------------------   ------------------

<Caption>
                                                                       Ending              Ending
                             Realized         Total Principal       Certificate          Certificate          Total Principal
     Class                   Loss (1)           Reduction             Balance             Percentage           Distribution
---------------------   -----------------   ------------------   ------------------   --------------------   ------------------
<S>                     <C>                 <C>                  <C>                  <C>                    <C>
       A                             0.00        11,081,568.75       623,475,859.37             0.89681659        11,081,568.75
      X-1A                           0.00                 0.00                 0.00             0.00000000                 0.00
      X-1B                           0.00                 0.00                 0.00             0.00000000                 0.00
      X-B                            0.00                 0.00                 0.00             0.00000000                 0.00
      A-R                            0.00                 0.00                 0.00             0.00000000                 0.00
      B-1                            0.00                 0.00         9,726,000.00             1.00000000                 0.00
      B-2                            0.00                 0.00         5,764,000.00             1.00000000                 0.00
      B-3                            0.00                 0.00         3,962,000.00             1.00000000                 0.00
      B-4                            0.00                 0.00         1,801,000.00             1.00000000                 0.00
      B-5                            0.00                 0.00         1,080,000.00             1.00000000                 0.00
      B-6                            0.00                 0.00         2,882,787.00             1.00000000                 0.00
                        -----------------   ------------------   ------------------   --------------------   ------------------
 Totals                              0.00        11,081,568.75       648,691,646.37             0.90042801        11,081,568.75
                        -----------------   ------------------   ------------------   --------------------   ------------------
</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
                          Original          Certificate         Principal          Principal
    Class                Face Amount          Balance          Distribution       Distribution         Accretion
--------------------   ----------------   ----------------   ----------------   ----------------   ----------------
<S>                    <C>                <C>                <C>                <C>                <C>
      A                  695,210,000.00       912.75647376         0.00000000        15.93988687         0.00000000
     X-1A                          0.00         0.00000000         0.00000000         0.00000000         0.00000000
     X-1B                          0.00         0.00000000         0.00000000         0.00000000         0.00000000
     X-B                           0.00         0.00000000         0.00000000         0.00000000         0.00000000
     A-R                         100.00         0.00000000         0.00000000         0.00000000         0.00000000
     B-1                   9,726,000.00      1000.00000000         0.00000000         0.00000000         0.00000000
     B-2                   5,764,000.00      1000.00000000         0.00000000         0.00000000         0.00000000
     B-3                   3,962,000.00      1000.00000000         0.00000000         0.00000000         0.00000000
     B-4                   1,801,000.00      1000.00000000         0.00000000         0.00000000         0.00000000
     B-5                   1,080,000.00      1000.00000000         0.00000000         0.00000000         0.00000000
     B-6                   2,882,787.00      1000.00000000         0.00000000         0.00000000         0.00000000
                       ----------------   ----------------   ----------------   ----------------   ----------------

<Caption>
                                                                      Ending
                          Realized          Total Principal        Certificate      Ending Certificate     Total Principal
    Class                 Loss (3)            Reduction              Balance           Percentage           Distribution
-------------------- ------------------   ------------------   ------------------   ------------------   ------------------
<S>                  <C>                  <C>                  <C>                  <C>                  <C>
      A                      0.00000000          15.93988687         896.81658689           0.89681659          15.93988687
     X-1A                    0.00000000           0.00000000           0.00000000           0.00000000           0.00000000
     X-1B                    0.00000000           0.00000000           0.00000000           0.00000000           0.00000000
     X-B                     0.00000000           0.00000000           0.00000000           0.00000000           0.00000000
     A-R                     0.00000000           0.00000000           0.00000000           0.00000000           0.00000000
     B-1                     0.00000000           0.00000000        1000.00000000           1.00000000           0.00000000
     B-2                     0.00000000           0.00000000        1000.00000000           1.00000000           0.00000000
     B-3                     0.00000000           0.00000000        1000.00000000           1.00000000           0.00000000
     B-4                     0.00000000           0.00000000        1000.00000000           1.00000000           0.00000000
     B-5                     0.00000000           0.00000000        1000.00000000           1.00000000           0.00000000
     B-6                     0.00000000           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>
                                                                                                              Payment of
                                                                    Beginning             Current               Unpaid
                       Original Face      Current Certificate      Certificate/           Accrued              Interest
    Class                 Amount                Rate             Notional Balance         Interest            Shortfall
------------------   ------------------   ------------------    ------------------   ------------------   ------------------
<S>                  <C>                  <C>                   <C>                  <C>                  <C>
      A                  695,210,000.00              1.56000%       634,557,428.12           824,924.66                 0.00
    X-1A                           0.00              0.91328%       180,721,813.54           137,541.59                 0.00
    X-1B                           0.00              1.15391%       453,835,614.85           436,404.80                 0.00
     X-B                           0.00              0.56538%         9,726,000.00             4,582.40                 0.00
     A-R                         100.00              3.25304%                 0.00                 0.00                 0.00
     B-1                   9,726,000.00              2.08000%         9,726,000.00            16,858.40                 0.00
     B-2                   5,764,000.00              2.64538%         5,764,000.00            12,706.64                 0.00
     B-3                   3,962,000.00              2.64538%         3,962,000.00             8,734.16                 0.00
     B-4                   1,801,000.00              2.64538%         1,801,000.00             3,970.27                 0.00
     B-5                   1,080,000.00              2.64538%         1,080,000.00             2,380.84                 0.00
     B-6                   2,882,787.00              2.64538%         2,882,787.00             6,355.05                 0.00
                     ------------------   ------------------    ------------------   ------------------   ------------------
   Totals                720,425,887.00                                                    1,454,458.81                 0.00

<Caption>
                                            Non-                                                 Remaining           Ending
                       Current            Supported                                                Unpaid           Certificate/
                      Interest            Interest           Realized          Total Interest     Interest           Notational
     Class            Shortfall           Shortfall          Loss (4)           Distribution      Shortfall           Balance
----------------   ----------------   ----------------   ----------------   ----------------   ----------------   ----------------
<S>                <C>                <C>                <C>                <C>                <C>                <C>
        A                      0.00               0.00               0.00         824,924.62               0.00     623,475,859.37
      X-1A                     0.00               0.00               0.00         137,541.59               0.00     178,853,451.24
      X-1B                     0.00               0.00               0.00         436,404.80               0.00     444,622,408.13
       X-B                     0.00               0.00               0.00           4,582.40               0.00       9,726,000.00
       A-R                     0.00               0.00               0.00               0.00               0.00               0.00
       B-1                     0.00               0.00               0.00          16,858.40               0.00       9,726,000.00
       B-2                     0.00               0.00               0.00          12,706.64               0.00       5,764,000.00
       B-3                     0.00               0.00               0.00           8,734.16               0.00       3,962,000.00
       B-4                     0.00               0.00               0.00           3,970.27               0.00       1,801,000.00
       B-5                     0.00               0.00               0.00           2,380.84               0.00       1,080,000.00
       B-6                     0.00               0.00               0.00           6,355.05               0.00       2,882,787.00
                   ----------------   ----------------   ----------------   ----------------   ----------------   ----------------
Totals                         0.00               0.00               0.00       1,454,458.77               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.

                    INTEREST DISTRIBUTION FACTORS STATEMENT
<Table>
<Caption>
                                                                                                             Payment of
                                               Current              Beginning            Current               Unpaid
   Class               Original Face         Certificate           Certificate/          Accrued              Interest
    (5)                    Amount               Rate             Notional Balance        Interest             Shortfall
------------------   ------------------   ------------------    ------------------   ------------------   ------------------
<S>                  <C>                  <C>                   <C>                  <C>                  <C>
      A                  695,210,000.00              1.56000%         912.75647376           1.18658342           0.00000000
    X-1A                           0.00              0.91328%         942.43066832           0.71725383           0.00000000
    X-1B                           0.00              1.15391%         901.45388105           0.86683105           0.00000000
     X-B                           0.00              0.56538%        1000.00000000           0.47114950           0.00000000
     A-R                         100.00              3.25304%           0.00000000           0.00000000           0.00000000
     B-1                   9,726,000.00              2.08000%        1000.00000000           1.73333333           0.00000000
     B-2                   5,726,000.00              2.64538%        1000.00000000           2.20448300           0.00000000
     B-3                   3,962,000.00              2.64538%        1000.00000000           2.20448258           0.00000000
     B-4                   1,801,000.00              2.64538%        1000.00000000           2.20448084           0.00000000
     B-5                   1,080,000.00              2.64538%        1000.00000000           2.20448148           0.00000000
     B-6                   2,882,787.00              2.64538%        1000.00000000           2.20448129           0.00000000
                     ------------------   ------------------    ------------------   ------------------   ------------------

<Caption>
                                                                                                    Remaining            Ending
                         Current         Non-Supported                                               Unpaid           Certificate/
    Class                Interest          Interest            Realized        Total Interest       Interest           Notational
     (5)                Shortfall          Shortfall           Loss (6)         Distribution        Shortfall           Balance
------------------   ----------------   ----------------   ----------------   ----------------   ----------------   ----------------
<S>                  <C>                <C>                <C>                <C>                <C>                <C>
       A                   0.00000000         0.00000000         0.00000000         1.18658336         0.00000000       896.81658689
     X-1A                  0.00000000         0.00000000         0.00000000         0.71725383         0.00000000       932.68750618
     X-1B                  0.00000000         0.00000000         0.00000000         0.86683105         0.00000000       883.15368502
      X-B                  0.00000000         0.00000000         0.00000000         0.47114950         0.00000000      1000.00000000
      A-R                  0.00000000         0.00000000         0.00000000         0.00000000         0.00000000         0.00000000
      B-1                  0.00000000         0.00000000         0.00000000         1.73333333         0.00000000      1000.00000000
      B-2                  0.00000000         0.00000000         0.00000000         2.20448300         0.00000000      1000.00000000
      B-3                  0.00000000         0.00000000         0.00000000         2.20448258         0.00000000      1000.00000000
      B-4                  0.00000000         0.00000000         0.00000000         2.20448084         0.00000000      1000.00000000
      B-5                  0.00000000         0.00000000         0.00000000         2.20448148         0.00000000      1000.00000000
      B-6                  0.00000000         0.00000000         0.00000000         2.20448129         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                                  12,743,181.93
            Liquidations, Insurance Proceeds, Reserve Funds                              0.00
            Proceeds from Repurchased Loans                                              0.00
            Other Amounts (Servicer Advances)                                          247.55
            Realized Losses                                                              0.00
            Prepayment Penalties                                                         0.00
                                                                           ------------------
Total Deposits                                                                  12,743,429.48

Withdrawals
            Reimbursement for Servicer Advances                                      4,593.59
            Payment of Service Fee                                                 202,808.35
            Payment of Interest and Principal                                   12,536,027.54
                                                                           ------------------
Total Withdrawals (Pool Distribution Amount)                                    12,743,429.48

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                                                          198,959.69
Master Servicing Fee                                                           3,848.66
Supported Prepayment/Curtailment Interest Shortfall                                0.00
                                                                           ------------

Net Servicing Fee                                                            202,808.35
                                                                           ============
</Table>

<PAGE>

<Table>
<Caption>
                                               Beginning      Current        Current         Ending
Account Type                                    Balance     Withdrawals      Deposits        Balance
------------------------------------------   ------------   ------------   ------------   ------------
<S>                                          <C>            <C>            <C>            <C>
 Class X-1 Basis Risk Reserve Fund               5,000.00           0.00           0.00       5,000.00
 Class X-B Basis Risk Reserve Fund               5,000.00           0.00           0.00       5,000.00
                                             ------------   ------------   ------------   ------------
</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               1    103,945.68        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
           ------------   -----------                 ------------   ------------                 -------------    -------------
                      1    103,945.68                            0           0.00                             0             0.00

<Caption>

              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      0.000000%     0.000000%     0-29 Days      0.000000%      0.000000%    0-29 Days        0.000000%        0.000000%
30 Days        0.053735%     0.016024%       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%
           ------------   -----------                 ------------   ------------                 -------------    -------------
               0.053735%     0.016024%                    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                  1          103,945.68
      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                                      1          103,945.68

<Caption>

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

<S>                     <C>                 <C>                <C>                <C>               <C>
    0-29 Days           0.000000%           0.000000%          0-29 Days           0.000000%           0.000000%
      30 Days           0.000000%           0.000000%            30 Days           0.053735%           0.016024%
      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%                              0.053735%           0.016024%
</Table>

<Table>
<S>                                          <C>                                                 <C>                        <C>
Current Period Class A Insufficient Funds:   0.00 Principal Balance of Contaminated Properties   0.00 Periodic Advance      247.55
</Table>

<PAGE>

<Table>
<Caption>

                       Subordinated Level/Credit Enhancement/Class Percentage and Prepayment Percentage

                Original $         Original %          Current $           Current %        Current Class%       Prepayment %
              --------------     --------------      --------------     --------------      --------------      --------------
<S>           <C>                <C>                 <C>                <C>                 <C>                 <C>
 Class A       25,215,787.00         3.50012228%      25,215,787.00         3.88717616%          96.112824%           0.000000%
Class B-1      15,489,787.00         2.15008751%      15,489,787.00         2.38785054%           1.499326%          38.571075%
Class B-2       9,725,787.00         1.35000521%       9,725,787.00         1.49929278%           0.888558%          22.858696%
Class B-3       5,763,787.00         0.80005273%       5,763,787.00         0.88852493%           0.610768%          15.712379%
Class B-4       3,962,787.00         0.55006172%       3,962,787.00         0.61088917%           0.277636%           7.142351%
Class B-5       2,882,787.00         0.40015039%       2,882,787.00         0.44440020%           0.166489%           4.283031%
Class B-6               0.00         0.00000000%               0.00         0.00000000%           0.444400%          11.432469%
</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               119,754.00         0.01662267%         119,754.00         0.01846085%
         Fraud            21,612,777.00         3.00000005%      21,612,777.00         3.33174893%
Special Hazard            11,600,000.00         1.61015869%      11,600,000.00         1.78821480%
</Table>

Limit of subordinate's exposure to certain types of losses

<PAGE>

                              COLLATERAL STATEMENT

<Table>
<Caption>

<S>                                                                            <C>
Collateral Description                                                               Mixed ARM

Weighted Average Gross Coupon                                                        3.014249%
Weighted Average Net Coupon                                                          2.652380%
Weighted Average Pass-Through Rate                                                   2.645380%
Weighted Average Maturity (Stepdown Calculation)                                          316

Beginning Scheduled Collateral Loan Count                                               1,887
Number of Loans Paid in Full                                                               26
Ending Scheduled Collateral Loan Count                                                  1,861

Beginning Scheduled Collateral Balance                                         659,773,215.12
Ending Scheduled Collateral Balance                                            648,691,646.37
Ending Actual Collateral Balance at 29-Aug-2003                                648,692,196.76

Monthly P&I Constant                                                             1,657,267.19
Special Servicing Fee                                                                    0.00
Prepayment Penalties                                                                     0.00
Realization Loss Amount                                                                  0.00
Cumulative Realized Loss                                                                 0.00

Class A Optimal Amount                                                          11,906,493.41

Ending Scheduled Balance for Premium Loans                                     648,691,646.37

Scheduled Principal                                                                      0.00
Unscheduled Principal                                                           11,081,568.75
</Table>

                             MISCELLANEOUS REPORTING
<Table>
<Caption>
<S>                                                                    <C>
Pro Rata Senior Percentage                                                 96.178113%
Senior Percentage                                                         100.000000%
Senior Prepayment Percentage                                              100.000000%
Subordinate Percentage                                                      0.000000%
Subordinate Prepayment Percentage                                           0.000000%
One Month LIBOR Loan Balance                                           186,086,979.95
Six Month LIBOR Loan Balance                                           462,604,666.42
</Table>

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00056-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00056-of-00352.parquet"}]]