<PAGE>

                                  EXHIBIT 10.1

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

                               SMT SERIES 2003-1
                         RECORD DATE: FEBRUARY 28, 2003
                        DISTRIBUTION DATE: MARCH 20, 2003

                     CERTIFICATEHOLDER DISTRIBUTION SUMMARY

<TABLE>
<CAPTION>
                              Certificate        Certificate        Beginning                                              Current
                                 Class           Pass-Through      Certificate        Interest        Principal            Realized
   Class          CUSIP       Description            Rate            Balance        Distribution    Distribution             Loss
   -----          -----       -----------            ----            -------        ------------    ------------             ----
<S>             <C>           <C>                <C>           <C>                 <C>              <C>                    <C>
    1A          81743PAA4         SEN               1.71750%     798,206,000.00      875,864.79     2,094,976.71            0.00
    2A          81743PAB2         SEN               1.74000%     190,000,000.00      211,216.67       681,942.37            0.00
   X-1A         81743PAC0          IO               2.68470%               0.00      409,815.14             0.00            0.00
   X-1B         81743PAD8          IO               1.16667%               0.00      597,947.13             0.00            0.00
    X-2         81743PAE6          IO               1.57096%               0.00      248,736.02             0.00            0.00
    X-B         81743PAF3          IO               1.14578%               0.00       15,186.30             0.00            0.00
    A-R         81743PAG1          R                2.83179%             100.00            0.24           100.00            0.00
    B-1         81743PAH9         SUB               2.21750%      15,905,000.00       22,533.19             0.00            0.00
    B-2         81743PAJ5         SUB               2.84586%       8,210,000.00       19,470.42             0.00            0.00
    B-3         81743PAK2         SUB               2.84586%       5,644,000.00       13,385.02             0.00            0.00
    B-4         SEQ0301B4         SUB               2.84586%       2,565,000.00        6,083.02             0.00            0.00
    B-5         SEQ0301B5         SUB               2.84586%       1,539,000.00        3,649.81             0.00            0.00
    B-6         SEQ0301B6         SUB               2.84586%       4,105,618.00        9,736.67             0.00            0.00
    ---         ---------         ---               -------    ----------------    ------------     ------------            ----
Totals                                                         1,026,174,718.00    2,433,624.42     2,777,019.08            0.00
                                                               ----------------    ------------     ------------            ----
</TABLE>


<TABLE>
<CAPTION>

                                  Ending Certificate         Total             Cumulative
   Class          CUSIP                Balance            Distribution        Realized Loss
   -----          -----                -------            ------------        -------------
<S>             <C>             <C>                      <C>                  <C>
    1A          81743PAA4         796,111,023.29         2,970,841.50             0.00
    2A          81743PAB2         189,318,057.63           893,159.04             0.00
   X-1A         81743PAC0                   0.00           409,815.14             0.00
   X-1B         81743PAD8                   0.00           597,947.13             0.00
    X-2         81743PAE6                   0.00           248,736.02             0.00
    X-B         81743PAF3                   0.00            15,186.30             0.00
    A-R         81743PAG1                   0.00               100.24             0.00
    B-1         81743PAH9          15,905,000.00            22,533.19             0.00
    B-2         81743PAJ5           8,210,000.00            19,470.42             0.00
    B-3         81743PAK2           5,644,000.00            13,385.02             0.00
    B-4         SEQ0301B4           2,565,000.00             6,083.02             0.00
    B-5         SEQ0301B5           1,539,000.00             3,649.81             0.00
    B-6         SEQ0301B6           4,105,618.00             9,736.67             0.00
    ---         ---------       ----------------         ------------            -----
Totals                          1,023,397,698.92         5,210,643.50            00.00
                                ----------------         ------------            -----
</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                                  Total
                Original Face       Certificate        Principal         Principal                     Realized    Principal
   Class           Amount             Balance         Distribution      Distribution     Accretion     Loss (1)    Reduction
   -----           ------             -------         ------------      ------------     ---------     --------    ---------
<S>          <C>                <C>                   <C>               <C>              <C>           <C>        <C>
    1A         798,206,000.00     798,206,000.00           0.00         2,094,976.71        0.00         0.00     2,094,976.71
    2A         190,000,000.00     190,000,000.00           0.00           681,942.37        0.00         0.00       681,942.37
   X-1A                  0.00               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             0.00
    X-2                  0.00               0.00           0.00                 0.00        0.00         0.00             0.00
    X-B                  0.00               0.00           0.00                 0.00        0.00         0.00             0.00
    A-R                100.00             100.00           0.00               100.00        0.00         0.00           100.00
    B-1         15,905,000.00      15,905,000.00           0.00                 0.00        0.00         0.00             0.00
    B-2          8,210,000.00       8,210,000.00           0.00                 0.00        0.00         0.00             0.00
    B-3          5,644,000.00       5,644,000.00           0.00                 0.00        0.00         0.00             0.00
    B-4          2,565,000.00       2,565,000.00           0.00                 0.00        0.00         0.00             0.00
    B-5          1,539,000.00       1,539,000.00           0.00                 0.00        0.00         0.00             0.00
    B-6          4,105,618.00       4,105,618.00           0.00                 0.00        0.00         0.00             0.00
             ----------------   ----------------           ----         ------------        ----         ----     ------------
Totals       1,026,174,718.00   1,026,174,718.00           0.00         2,777,019.98        0.00         0.00     2,777,019.08
             ----------------   ----------------           ----         ------------        ----         ----     ------------
</TABLE>

<TABLE>
<CAPTION>
                      Ending              Ending
                    Certificate         Certificate    Total Principal
   Class              Balance           Percentage       Distribution
   -----              -------           ----------       ------------
<S>              <C>                    <C>            <C>
    1A             796,111,023.29       0.99737539       2,094,976.71
    2A             189,318,057.63       0.99641083         681,942.37
   X-1A                      0.00       0.00000000               0.00
   X-1B                      0.00       0.00000000               0.00
    X-2                      0.00       0.00000000               0.00
    X-B                      0.00       0.00000000               0.00
    A-R                      0.00       0.00000000             100.00
    B-1             15,905,000.00       1.00000000               0.00
    B-2              8,210,000.00       1.00000000               0.00
    B-3              5,644,000.00       1.00000000               0.00
    B-4              2,565,000.00       1.00000000               0.00
    B-5              1,539,000.00       1.00000000               0.00
    B-6              4,105,618.00       1.00000000               0.00
                 ----------------       ----------       ------------
Totals           1,023,397,698.92       0.99729381       2,777,019.08
                 ----------------       ----------       ------------
</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        798,206,000.00     1000.00000000    0.00000000       2.62460657    0.00000000     0.00000000       2.62460657
    2A        190,000,000.00     1000.00000000    0.00000000       3.58917037    0.00000000     0.00000000       3.58917037
   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     1000.00000000    0.00000000    1000.00000000    0.00000000     0.00000000    1000.00000000
    B-1        15,905,000.00     1000.00000000    0.00000000       0.00000000    0.00000000     0.00000000       0.00000000
    B-2         8,210,000.00     1000.00000000    0.00000000       0.00000000    0.00000000     0.00000000       0.00000000
    B-3         5,644,000.00     1000.00000000    0.00000000       0.00000000    0.00000000     0.00000000       0.00000000
    B-4         2,565,000.00     1000.00000000    0.00000000       0.00000000    0.00000000     0.00000000       0.00000000
    B-5         1,539,000.00     1000.00000000    0.00000000       0.00000000    0.00000000     0.00000000       0.00000000
    B-6         4,105,618.00     1000.00000000    0.00000000       0.00000000    0.00000000     0.00000000       0.00000000
</TABLE>

<TABLE>
<CAPTION>
                    Ending                Ending
                  Certificate          Certificate      Total Principal
   Class            Balance             Percentage        Distribution
   -----            -------             ----------        ------------
<S>              <C>                   <C>              <C>
    1A            997.37539343          0.99737539         2.62460657
    2A            996.41082963          0.99641083         3.58917037
   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      1000.00000000
    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>
                                                    Beginning                       Payment of
                                      Current      Certificate/      Current          Unpaid       Current     Non-Supported
                Original Face       Certificate      Notional        Accrued         Interest      Interest      Interest
  Class            Amount              Rate          Balance         Interest        Shortfall     Shortfall     Shortfall
  -----            ------              ----          -------         --------        ---------     ---------     ---------
<S>          <C>                    <C>          <C>              <C>               <C>            <C>         <C>
   1A          798,206,000.00         1.71750%   798,206,000.00     875,864.79          0.00          0.00         0.00
   2A          190,000,000.00         1.74000%   190,000,000.00     211,216.67          0.00          0.00         0.00
  X-1A                   0.00         2.68470%   183,178,145.46     409,815.14          0.00          0.00         0.00
  X-1B                   0.00         1.16667%   615,027,854.54     597,947.13          0.00          0.00         0.00
   X-2                   0.00         1.57096%   190,000,000.00     248,736.02          0.00          0.00         0.00
   X-B                   0.00         1.14578%    15,905,000.00      15,186.30          0.00          0.00         0.00
   A-R                 100.00         2.83179%           100.00           0.24          0.00          0.00         0.00
   B-1          15,905,000.00         2.21750%    15,905,000.00      22,533.19          0.00          0.00         0.00
   B-2           8,210,000.00         2.84586%     8,210,000.00      19,470.42          0.00          0.00         0.00
   B-3           5,644,000.00         2.84586%     5,644,000.00      13,385.02          0.00          0.00         0.00
   B-4           2,565,000.00         2.84586%     2,565,000.00       6,083.02          0.00          0.00         0.00
   B-5           1,539,000.00         2.84586%     1,539,000.00       3,649.81          0.00          0.00         0.00
   B-6           4,105,618.00         2.84586%     4,105,618.00       9,736.68          0.00          0.00         0.00
 ------      ----------------         -------      ------------   ------------          ----          ----         ----
 Totals      1,026,174,718.00                                     2,433,624.43          0.00          0.00         0.00
 ------      ----------------         -------      ------------   ------------          ----          ----         ----
</TABLE>

<TABLE>
<CAPTION>
                                               Remaining       Ending
                                                Unpaid       Certificate/
               Realized    Total Interest      Interest       Notational
  Class        Loss (4)     Distribution       Shortfall       Balance
  -----        --------     ------------       ---------       -------
<S>            <C>         <C>                 <C>         <C>
   1A            0.00         875,864.79          0.00     796,111,023.29
   2A            0.00         211,216.67          0.00     189,318,057.63
  X-1A           0.00         409,815.14          0.00     181,698,572.12
  X-1B           0.00         597,947.13          0.00     614,412,452.16
   X-2           0.00         248,736.02          0.00     189,318,057.63
   X-B           0.00          15,186.30          0.00      15,905,000.00
   A-R           0.00               0.24          0.00               0.00
   B-1           0.00          22,533.19          0.00      15,905,000.00
   B-2           0.00          19,470.42          0.00       8,210,000.00
   B-3           0.00          13,385.02          0.00       5,644,000.00
   B-4           0.00           6,083.02          0.00       2,565,000.00
   B-5           0.00           3,649.81          0.00       1,539,000.00
   B-6           0.00           9,736.67          0.00       4,105,618.00
 ------          ----      -------------          ----     --------------
 Totals          0.00       2,433,624.42          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                             Unpaid        Current      Non-Supported
 Class       Original Face    Certificate       Certificate/      Current Accrued     Interest       Interest       Interest
  (5)            Amount           Rate        Notional Balance        Interest        Shortfall      Shortfall      Shortfall
  ---            ------           ----        ----------------        --------        ---------      ---------      ---------
<S>          <C>              <C>             <C>                 <C>                 <C>            <C>          <C>
   1A        798,206,000.00      1.71750%       1000.00000000        1.09729166       0.00000000     0.00000000    0.00000000
   2A        190,000,000.00      1.74000%       1000.00000000        1.11166668       0.00000000     0.00000000    0.00000000
  X-1A                 0.00      2.68470%       1000.00000000        2.23724909       0.00000000     0.00000000    0.00000000
  X-1B                 0.00      1.16667%       1000.00000000        0.97222772       0.00000000     0.00000000    0.00000000
   X-2                 0.00      1.57096%       1000.00000000        1.30913695       0.00000000     0.00000000    0.00000000
   X-B                 0.00      1.14578%       1000.00000000        0.95481295       0.00000000     0.00000000    0.00000000
   A-R               100.00      2.83179%       1000.00000000        2.40000000       0.00000000     0.00000000    0.00000000
   B-1        15,905,000.00      2.21750%       1000.00000000        1.41673625       0.00000000     0.00000000    0.00000000
   B-2         8,210,000.00      2.84586%       1000.00000000        2.37154933       0.00000000     0.00000000    0.00000000
   B-3         5,644,000.00      2.84586%       1000.00000000        2.37154855       0.00000000     0.00000000    0.00000000
   B-4         2,565,000.00      2.84586%       1000.00000000        2.37154776       0.00000000     0.00000000    0.00000000
   B-5         1,539,000.00      2.84586%       1000.00000000        2.37154646       0.00000000     0.00000000    0.00000000
   B-6         4,105,618.00      2.84586%       1000.00000000        2.37155040       0.00000000     0.00000000    0.00000000
</TABLE>

<TABLE>
<CAPTION>
                                                Remaining
                                                 Unpaid
 Class        Realized       Total Interest      Interest      Ending Certificate/
  (5)         Loss (6)        Distribution      Shortfall      Notational Balance
  ---         --------        ------------      ---------      ------------------
<S>          <C>             <C>                <C>            <C>
   1A        0.00000000        1.09729166       0.00000000         997.37539343
   2A        0.00000000        1.11166668       0.00000000         996.41082963
  X-1A       0.00000000        2.23724909       0.00000000         991.92276275
  X-1B       0.00000000        0.97222772       0.00000000         998.99939104
   X-2       0.00000000        1.30913695       0.00000000         996.41082963
   X-B       0.00000000        0.95481295       0.00000000        1000.00000000
   A-R       0.00000000        2.40000000       0.00000000          0.000000000
   B-1       0.00000000        1.41673625       0.00000000        1000.00000000
   B-2       0.00000000        2.37154933       0.00000000        1000.00000000
   B-3       0.00000000        2.37154855       0.00000000        1000.00000000
   B-4       0.00000000        2.37154776       0.00000000        1000.00000000
   B-5       0.00000000        2.37154646       0.00000000        1000.00000000
   B-6       0.00000000        2.37154796       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                         5,483,094.88
         Liquidations, Insurance Proceeds, Reserve Funds                    0.00
         Proceeds from Repurchased Loans                                    0.00
         Other Amounts (Servicer Advances)                             10,884.30
         Realized Losses                                                    0.00
         Prepayment Penalties                                               0.00
                                                                    ------------
Total Deposits                                                      5,493,979.18


Withdrawals

         Reimbursement for Servicer Advances                                0.00
         Payment of Service Fee                                       283,335.68
         Payment of Interest and Principal                          5,210,643.50
                                                                    ------------
Total Withdrawals (Pool Distribution Amount)                        5,493,979.18

Ending Balance                                                              0.00
                                                                    ============


                    PREPAYMENT/CURTAILMENT INTEREST SHORTFALL

     Total Prepayment/Curtailment Interest Shortfall                        0.00
     Servicing Fee Support                                                  0.00
                                                                    ------------
     Non-Supported Prepayment Curtailment Interest Shortfall                0.00
                                                                    ============





                                 SERVICING FEES

     Gross Servicing Fee                                              276,035.10
     Master Servicing Fee                                               7,300.58
     Supported Prepayment/Curtailment Interest Shortfall                    0.00
                                                                    ------------
     Net Servicing Fee                                                283,335.68
                                                                    ============
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
                                                 Beginning          Current          Current       Ending
                Account Type                      Balance         Withdrawals       Deposits       Balance
                ------------                      -------         -----------       --------       -------
<S>                                              <C>              <C>               <C>           <C>
     Class X-1 Reserve Fund Sub Account          5,000.00            0.00             0.00        5,000.00
     Class X-2 Reserve Fund Sub Account          2,500.00            0.00             0.00        2,500.00
     Class X-B Reserve Fund Sub Account          2,500.00            0.00             0.00        2,500.00
</TABLE>

             LOAN STATUS STRATIFICATION/CREDIT ENHANCEMENT STATEMENT

<TABLE>
<CAPTION>
              DELINQUENT                              BANKRUPTCY                           FORECLOSURE
--------------------------------------    ----------------------------------    ----------------------------------
                No. of      Principal                   No. of    Principal                   No. of     Principal
                 Loans       Balance                    Loans      Balance                    Loans       Balance
<S>            <C>        <C>             <C>         <C>         <C>           <C>           <C>        <C>
0-29 Days          0              0.00    0-29 Days       0             0.00    0-29 Days       0             0.00
30 Days           10      4,195,261.81    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
               -----------------------                ----------------------                  --------------------
                  10      4,195,261.81                    0             0.00                    0             0.00



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

0-29 Days      0.000000%    0.000000%     0-29 Days   0.000000%   0.000000%     0-29 Days     0.000000%   0.000000%
30 Days        0.424809%    0.480393%     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%
               ----------------------                 ---------------------                   ---------------------
               0.424809%    0.480393%                 0.000000%   0.000000%                   0.000000%   0.000000%
</TABLE>

<TABLE>
<CAPTION>
                  REO                                 TOTAL
  -----------------------------------    -----------------------------------
                 No. of     Principal                 No. of       Principal
                  Loans      Balance                   Loans         Balance
<S>             <C>         <C>          <C>         <C>        <C>
  0-29 Days        0             0.00    0-29 Days      0               0.00
  30 Days          0             0.00    30 Days       10       4,195,261.81
  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                  10       4,195,261.81



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

  0-29 Days     0.000000%   0.000000%    0-29 Days   0.000000%     0.000000%
  30 Days       0.000000%   0.000000%    30 Days     0.424809%     0.480393%
  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%                0.424809%     0.480393%
</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  10,884.30
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
                   Original $          Original%                Current $          Current %     Current Class %        Prepayment %
                   ----------          ---------                ---------          ---------     ---------------        ------------
<S>            <C>                    <C>                <C>                   <C>               <C>                  <C>
Class A        1,026,174,618.00       99.99999026%       1,023,397,698.92      117.18829799%       112.840548%            0.000000%
Class 1A         227,968,618.00       22.21538048%         227,286,675.63       26.02638124%        91.161917%        2,096.760602%
Class 2A          37,968,618.00        3.70001495%          37,968,618.00        4.34775037%        21.678631%          498.617194%
Class X-2         37,968,618.00        3.70001495%          37,968,618.00        4.34775037%         0.000000%            0.000000%
Class B-1         22,063,618.00        2.15008396%          22,063,618.00        2.52648393%         1.821266%           41.889858%
Class B-2         13,853,618.00        1.35002527%          13,853,618.00        1.58636463%         0.940119%           21.623120%
Class B-3          8,209,618.00        0.80002146%           8,209,618.00        0.94007556%         0.646289%           14.864908%
Class B-4          5,644,618.00        0.55006403%           5,644,618.00        0.64635984%         0.293716%            6.755579%
Class B-5          4,105,618.00        0.40008957%           4,105,618.00        0.47013042%         0.176229%            4.053347%
Class B-6                  0.00        0.00000000%                   0.00        0.00000000%         0.470130%           10.813188%
</TABLE>

Please refer to the prospectus supplement for a full description of loss
exposure
<PAGE>
                           DELINQUENCY STATUS BY GROUP

                                     POOL 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             8      3,220,750.00  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
                -----------------------              ----------------------              -----------------------
                    8      3,220,750.00                  0          0.00                     0          0.00


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

0-29 Days       0.000000%    0.000000%   0-29 Days   0.000000%   0.000000%   0-29 Days   0.000000%    0.000000%
30 Days         0.415584%    0.448773%   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%
                -----------------------              ----------------------              -----------------------
                0.415584%    0.448773%               0.000000%   0.000000%               0.000000%    0.000000%
</TABLE>

<TABLE>
<CAPTION>
                REO                               TOTAL
----------------------------------  ------------------------------------
               No. of   Principal                 No. of     Principal
               Loans     Balance                  Loans       Balance
<S>            <C>      <C>         <C>         <C>         <C>
0-29 Days        0         0.00     0-29 Days       0               0.00
30 Days          0.        0.00     30 Days         8       3,220,750.00
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                     8       3,220,750.00


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

0-29 Days    0.000000%  0.000000%   0-29 Days   0.000000%    0.000000%
30 Days      0.000000%  0.000000%   30 Days     0.415584%    0.448773%
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%               0.415584%    0.448773%
</TABLE>

                                     POOL 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            2       974,511.81    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
                -----------------------              ----------------------              -----------------------
                   2       974,511.81                    0          0.00                     0          0.00


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

0-29 Days       0.000000%   0.000000%    0-29 Days   0.000000%   0.000000%   0-29 Days   0.000000%    0.000000%
30 Days         0.466200%   0.626217%    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%
                -----------------------              ----------------------              -----------------------
                0.466200%   0.626217%                0.000000%   0.000000%               0.000000%    0.000000%
</TABLE>

<TABLE>
<CAPTION>
                REO                               TOTAL
----------------------------------  ------------------------------------
               No. of   Principal                 No. of    Principal
               Loans     Balance                  Loans      Balance
<S>            <C>      <C>         <C>         <C>         <C>
0-29 Days        0         0.00     0-29 Days       0             0.00
30 Days          0         0.00     30 Days         2       974,511.81
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                     2       974,511.81


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

0-29 Days    0.000000%  0.000000%   0-29 Days   0.000000%   0.000000%
30 Days      0.000000%  0.000000%   30 Days     0.466200%   0.626217%
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%               0.466200%   0.626217%
</TABLE>
<PAGE>
                              COLLATERAL STATEMENT

<TABLE>
<CAPTION>
Collateral Description                                                Mixed Arm
<S>                                                            <C>
Weighted Average Gross Coupon                                          3.231494%
Weighted Average Net Coupon                                            2.908701%
Weighted Average Pass-Through Rate                                     2.843394%
Weighted Average Maturity (Stepdown Calculation)                            326

Beginning Scheduled Collateral Loan Count                                 2,357
Number of Loans Paid in Full                                                  3
Ending Scheduled Collateral Loan Count                                    2,354

Beginning Scheduled Collateral Balance                         1,026,174,718.00
Ending Scheduled Collateral Balance                              873,293,423.01
Ending Actual Collateral Balance at 28-Feb-2003                  873,297,525.71

Monthly P&I Constant                                               2,359,180.28
Special Servicing Fee                                                      0.00
Prepayment Penalties                                                       0.00
Realization Loss Amount                                                    0.00
Cumulative Realized Loss                                                   0.00

Class A Optimal Amount                                             5,120,598.08

Ending Scheduled Balance for Premium Loans                       873,293,423.01

Scheduled Principal                                                        0.00
Unscheduled Principal                                              2,777,018.09
</TABLE>


<TABLE>
<S>                                                              <C>
Pool 1 Prefunding Balance                                        109,105,765.64
Pool 2 Prefunding Balance                                         40,998,510.27
Remaining Capitalized Interest Account Balance                             0.00
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
                 GROUP                           1                   2                  TOTAL

Collateral Description                                           6 Month
                                              Mixed ARM        LIBOR  ARM               Mixed ARM
<S>                                        <C>               <C>                   <C>
Weighted Average Coupon Rate                     3.219248          3.287887              3.231494
Weighted Average Net Rate                        2.840475          2.912887              2.908701
Pass-Through Rate                                2.830475          2.902887              2.843394
Weighted Average Maturity                             324               332                   326
Record Date                                    02/28/2003        02/28/2003            02/28/2003
Principal and Interest Constant              1,930,929.36        428,250.92          2,359,180.28
Beginning Loan Count                                1,925               430                 2,355
Loans Paid in Full                                      2                 1                     3
Ending Loan Count                                   1,923               429                 2,352
Beginning Scheduled Balance                719,769,109.37    156,301,331.73        876,870,441.10
Ending Scheduled Balance                   717,674,033.65    155,619,389.36        873,293,423.01
Scheduled Principal                                  0.00              0.00                  0.00
Unscheduled Principal                        2,095,075.72        681,942.37          2,777,018.09
Scheduled Interest                           1,930,929.36        428,250.92          2,359,180.28
Servicing Fee                                  227,190.93         48,844.17            276,035.10
Master Servicing Fee                             5,998.08          1,302.50              7,300.58
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                                 1,697,740.35        378,104.25          2,075,844.60
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 Pool 1
One Month Libor Loan Balance                                     166,608,845.00
Six Month Libor Loan Balance                                     551,065,188.70
Senior Percent                                                      100.000000%
Senior Prepayment Percent                                           100.000000%
Subordinate Percent                                                   0.000000%
Subordinate Prepayment Percent                                        0.000000%

Group Pool 2
Six Month Libor Loan Balance                                     155,619,389.40
Senior Percent                                                      100.000000%
Senior Prepayment Percent                                           100.000000%
Subordinate Percent                                                   0.000000%
Subordinate Prepayment Percent                                        0.000000%
</TABLE>