<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: MARCH 31, 2003
                        DISTRIBUTION DATE: APRIL 21, 2003

                     CERTIFICATEHOLDER DISTRIBUTION SUMMARY


<TABLE>
<CAPTION>
                              Certificate      Certificate       Beginning                                              Current
                                 Class         Pass-Through     Certificate         Interest         Principal       Realized Loss
   Class          CUSIP       Description          Rate           Balance          Distribution     Distribution        Balance
   -----          -----       -----------          ----           -------          ------------     ------------        -------
<S>             <C>           <C>              <C>             <C>                 <C>            <C>                <C>
     A          81744AAA6         SEN             1.73375%     675,601,883.06        976,103.97     5,364,030.60           0.00
   X-1A         81744AAC2          IO             0.94591%               0.00        148,556.06             0.00           0.00
   X-1B         81744AAD0          IO             1.16562%               0.00        473,183.87             0.00           0.00
    X-B         81744AAE8          IO             0.58433%               0.00          4,736.00             0.00           0.00
    A-R         81744AAF5         SEN             3.26702%               0.00              0.00             0.00           0.00
    B-1         81744AAB4         SUB             2.25375%       9,726,000.00         18,266.64             0.00           0.00
    B-2         81744AAG3         SUB             2.83808%       5,764,000.00         13,632.25             0.00           0.00
    B-3         81744AAH1         SUB             2.83808%       3,962,000.00          9,370.40             0.00           0.00
    B-4         SMT0211B4         SUB             2.83808%       1,801,000.00          4,259.49             0.00           0.00
    B-5         SMT0211B5         SUB             2.83808%       1,080,000.00          2,554.27             0.00           0.00
    B-6         SMT0211B6         SUB             2.83808%       2,882,787.00          6,817.99             0.00           0.00
Totals                                                         700,817,670.06      1,657,480.94     5,364,030.60           0.00
</TABLE>


<TABLE>
<CAPTION>

                      Ending            Total              Cumulative
   Class            Certificate      Distribution        Realized Loss
   -----            -----------      ------------        -------------
<S>                <C>               <C>                 <C>
     A             670,237,852.46    6,340,134.57             0.00
   X-1A                      0.00      148,556.06             0.00
   X-1B                      0.00      473,183.87             0.00
    X-B                      0.00        4,736.00             0.00
    A-R                      0.00            0.00             0.00
    B-1              9,726,000.00       18,266.64             0.00
    B-2              5,764,000.00       13,632.25             0.00
    B-3              3,962,000.00        9,370.40             0.00
    B-4              1,801,000.00        4,259.49             0.00
    B-5              1,080,000.00        2,554.27             0.00
    B-6              2,882,787.00        6,817.99             0.00
Totals             695,453,639.46    7,021,511.54             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                                   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>
     A         695,210,000.00     675,601,883.06      2,024.59     5,362,006.01         0.00          0.00     5,364,030.60
   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-B                  0.00               0.00          0.00             0.00         0.00          0.00             0.00
    A-R                100.00               0.00          0.00             0.00         0.00          0.00             0.00
    B-1          9,726,000.00       9,726,000.00          0.00             0.00         0.00          0.00             0.00
    B-2          5,726,000.00       5,764,000.00          0.00             0.00         0.00          0.00             0.00
    B-3          3,962,000.00       3,962,000.00          0.00             0.00         0.00          0.00             0.00
    B-4          1,801,000.00       1,801,000.00          0.00             0.00         0.00          0.00             0.00
    B-5          1,080,000.00       1,080,000.00          0.00             0.00         0.00          0.00             0.00
    B-6          2,882,787.00       2,882,787.00          0.00             0.00         0.00          0.00             0.00
Totals         720,425,887.00     700,817,670.06      2,024.59     5,362,006.01         0.00          0.00     5,364,030.60
</TABLE>


<TABLE>
<CAPTION>
                      Ending              Ending
                   Certificate          Certificate      Total Principal
   Class              Balance            Percentage        Distribution
   -----              -------            ----------        ------------
<S>              <C>                     <C>             <C>
     A            670,237,852.47          0.96407971       5,364,030.60
   X-1A                     0.00          0.00000000               0.00
   X-1B                     0.00          0.00000000               0.00
    X-B                     0.00          0.00000000               0.00
    A-R                     0.00          0.00000000               0.00
    B-1             9,726,000.00          1.00000000               0.00
    B-2             5,764,000.00          1.00000000               0.00
    B-3             3,962,000.00          1.00000000               0.00
    B-4             1,801,000.00          1.00000000               0.00
    B-5             1,080,000.00          1.00000000               0.00
    B-6             2,882,787.00          1.00000000               0.00
Totals            695,453,639.46          0.96553683       5,364,030.60
</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 Face       Certificate      Principal       Principal                      Realized      Total Principal
   Class          Amount            Balance       Distribution    Distribution     Accretion      Loss (3)         Reduction
   -----          ------            -------       ------------    ------------     ---------      --------         ---------
<S>           <C>                 <C>             <C>             <C>              <C>            <C>           <C>
     A         695,210,000.00       971.79540435    0.00291220        7.71278608    0.00000000    0.00000000        7.71569828
   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-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          9,726,000.00      1000.00000000    0.00000000        0.00000000    0.00000000    0.00000000        0.00000000
    B-2          5,764,000.00      1000.00000000    0.00000000        0.00000000    0.00000000    0.00000000        0.00000000
    B-3          3,962,000.00      1000.00000000    0.00000000        0.00000000    0.00000000    0.00000000        0.00000000
    B-4          1,801,000.00      1000.00000000    0.00000000        0.00000000    0.00000000    0.00000000        0.00000000
    B-5          1,080,000.00      1000.00000000    0.00000000        0.00000000    0.00000000    0.00000000        0.00000000
    B-6          2,882,787.00      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>
     A           964.07970607          0.96407971         7.71569828
   X-1A            0.00000000          0.00000000         0.00000000
   X-1B            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>
                                                   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>
    A         695,210,000.00         1.73375%    675,601,883.06     976,103.97          0.00          0.00         0.00
  X-1A                  0.00         0.94591%    188,461,260.43     148,556.06          0.00          0.00         0.00
  X-1B                  0.00         1.16562%    487,140,622.63     473,183.87          0.00          0.00         0.00
   X-B                  0.00         0.58433%      9,726,000.00     473,183.87          0.00          0.00         0.00
   A-R                100.00         3.26702%              0.00           0.00          0.00          0.00         0.00
   B-1          9,726,000.00         2.25375%      9,726,000.00      18,266.64          0.00          0.00         0.00
   B-2          5,764,000.00         2.83808%      5,764,000.00      13,632.25          0.00          0.00         0.00
   B-3          3,962,000.00         2.83808%      3,962,000.00       9,370.40          0.00          0.00         0.00
   B-4          1,801,000.00         2.83808%      1,801,000.00       4,259.49          0.00          0.00         0.00
   B-5          1,080,000.00         2.83808%      1,080,000.00       2,554.27          0.00          0.00         0.00
   B-6          2,882,787.00         2.83808%      2,882,787.00       6,817.99          0.00          0.00         0.00
 Totals       720,425,887.00                                      1,657,480.94          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>
    A              0.00       976,103.97          0.00     670,237,852.46
  X-1A             0.00       148,556.06          0.00     188,080,422.85
  X-1B             0.00       473,183.87          0.00     482,157,429.61
   X-B             0.00         4,736.00          0.00       9,726,000.00
   A-R             0.00             0.00          0.00               0.00
   B-1             0.00        18,266.64          0.00       9,726,000.00
   B-2             0.00        13,632.25          0.00       5,764,000.00
   B-3             0.00         9,370.40          0.00       3,962,000.00
   B-4             0.00         4,259.49          0.00       1,801,000.00
   B-5             0.00         2,554.27          0.00       1,080,000.00
   B-6             0.00         6,817.99          0.00       2,882,787.00
 Totals            0.00     1,657,480.94          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       Current    Non-Supported
  Class        Original Face   Certificate    Certificate/        Accrued       Interest     Interest      Interest       Realized
   (5)             Amount         Rate      Notional Balance     Interest       Shortfall    Shortfall     Shortfall        Loss (6)
<S>           <C>               <C>         <C>                  <C>           <C>           <C>         <C>              <C>
    A         695,210,000.00    1.73375%      971.79540435       1.40404190     0.00000000   0.00000000    0.00000000     0.00000000
  X-1A                  0.00    0.94591%      982.79044538       0.77469224     0.00000000   0.00000000    0.00000000     0.00000000
  X-1B                  0.00    1.65562%      967.60763320       0.93988533     0.00000000   0.00000000    0.00000000     0.00000000
   X-B                  0.00    0.58433%     1000.00000000       0.48694222     0.00000000   0.00000000    0.00000000     0.00000000
   A-R                100.00    3.26702%        0.00000000       0.00000000     0.00000000   0.00000000    0.00000000     0.00000000
   B-1          9,726,000.00     2.5375%     1000.00000000       1.87812461     0.00000000   0.00000000    0.00000000     0.00000000
   B-2          5,726,000.00    2.83808%     1000.00000000       2.36506766     0.00000000   0.00000000    0.00000000     0.00000000
   B-3          3,962,000.00    2.83808%     1000.00000000       2.36506815     0.00000000   0.00000000    0.00000000     0.00000000
   B-4          1,801,000.00    2.83808%     1000.00000000       2.36506941     0.00000000   0.00000000    0.00000000     0.00000000
   B-5          1,080,000.00    2.83808%     1000.00000000       2.36506481     0.00000000   0.00000000    0.00000000     0.00000000
   B-6          2,882,787.00    2.83808%     1000.00000000       2.36506894     0.00000000   0.00000000    0.00000000     0.00000000
</TABLE>


<TABLE>
<CAPTION>
                                   Remaining            Ending
                                     Unpaid          Certificate/
  Class            Total Interest   Interest          Notational
   (5)               Distribution   Shortfall           Balance
<S>                <C>             <C>               <C>
    A                 1.40404190   0.00000000         964.07970607
  X-1A                0.77469224   0.00000000         980.80444818
  X-1B                0.93988533   0.00000000         957.70951471
   X-B                0.48694222   0.00000000        1000.00000000
   A-R                0.00000000   0.00000000           0.00000000
   B-1                1.87812461   0.00000000        1000.00000000
   B-2                2.36506766   0.00000000        1000.00000000
   B-3                2.36506815   0.00000000        1000.00000000
   B-4                2.36506941   0.00000000        1000.00000000
   B-5                2.36506481   0.00000000        1000.00000000
   B-6                2.36506894   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                        7,236,951.02
         Liquidations, Insurance Proceeds, Reserve Funds                   0.00
         Proceeds from Repurchased Loans                                   0.00
         Other Amounts (Servicer Advances)                               322.27
         Realized Losses                                                   0.00
         Prepayment Penalties                                              0.00
                                                                   ------------
Total Deposits                                                     7,237,273.29

Withdrawals

         Reimbursement for Servicer Advances                               0.00
         Payment of Service Fee                                      215,761.76
         Payment of Interest and Principal                         7,021,511.53
                                                                   ------------
Total Withdrawals (Pool Distribution Amount)                       7,237,273.29

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                                                  211,673.66
Master Servicing Fee                                                   4,088.10
Supported Prepayment/Curtailment Interest Shortfall                        0.00
                                                                     ----------
Net Servicing Fee                                                    215,761.76
                                                                     ==========
</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>             <S>             <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           1      123,750.00      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      123,750.00                       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>             <S>           <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       0.050480%   0.017794%      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%
              0.050480%   0.017794%                    0.000000%  0.000000%                  0.000000%    0.000000%
</TABLE>

<TABLE>
<CAPTION>
                      REO                                         TOTAL
     -----------------------------------          ------------------------------------
                  No. of        Principal                     No. of        Principal
                  Loans          Balance                      Loans           Balance
<S>              <C>           <C>              <C>          <C>          <C>
    0-29 Days       0             0.00           0-29 Days      0                0.00
    30 Days         0             0.00           30 Days        0                0.00
    60 Days         0             0.00           60 Days        1          123,750.00
    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          123,750.00

<CAPTION>
                  No. of        Principal                     No. of        Principal
                  Loans         Balance                       Loans          Balance
    <C>           <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      0.050480%       0.017794%
    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%                    0.050480%       0.017794%
</TABLE>



Current Period Class A Insufficient Funds:           0.00
Principal Balance of Contaminated Properties         0.00
Periodic Advance                                   322.27


<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        25,215,787.00        3.50012228%     25,215,787.00      3.62580416%        96.374196%            0.000000%
      Class B-1       15,489,787.00        2.15008751%     15,489,787.00      2.22729254%         1.398512%           38.571075%
      Class B-2        9,725,787.00        1.35000521%      9,725,787.00      1.39848100%         0.828812%           22.858696%
      Class B-3        5,763,787.00        0.80005273%      5,763,787.00      0.82878091%         0.569700%           15.712379%
      Class B-4        3,962,787.00        0.55006172%      3,962,787.00      0.56981325%         0.258968%            7.142351%
      Class B-5        2,882,787.00        0.40015039%      2,882,787.00      0.41451893%         0.155294%            4.283031%
      Class B-6                0.00        0.00000000%              0.00      0.00000000%         0.414519%           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         0.01721955%
                   Fraud    21,612,777.00        3.00000005%       21,612,777.00         3.10772362%
          Special Hazard    11,600,000.00        1.61015869%       11,600,000.00         1.66797603%
</TABLE>

Limit of subordinate's exposure to certain types of losses


<PAGE>


                              COLLATERAL STATEMENT

<TABLE>
<CAPTION>
Collateral Description                                                Mixed ARM
<S>                                                              <C>
Weighted Average Gross Coupon                                         3.207527%
Weighted Average Net Coupon                                           2.845081%
Weighted Average Pass-Through Rate                                    2.838081%
Weighted Average Maturity (Stepdown Calculation)                            321

Beginning Scheduled Collateral Loan Count                                 1,991
Number of Loans Paid in Full                                                  10
Ending Scheduled Collateral Loan Count                                    1,981

Beginning Scheduled Collateral Balance                           700,817,670.06
Ending Scheduled Collateral Balance                              695,453,639.46
Ending Actual Collateral Balance at 28-Mar-2003                  695,444,288.95

Monthly P&I Constant                                               1,875,267.30
Special Servicing Fee                                                      0.00
Prepayment Penalties                                                       0.00
Realization Loss Amount                                                    0.00
Cumulative Realized Loss                                                   0.00

Class A Optimal Amount                                             6,340,134.57

Ending Scheduled Balance for Premium Loans                       695,453,639.46

Scheduled Principal                                                    2,024.59
Unscheduled Principal                                              5,362,006.01
</TABLE>


                             MISCELLANEOUS REPORTING

<TABLE>
<S>                                                                  <C>
Pro Rata Senior Percentage                                           96.401948%
Senior Percentage                                                   100.000000%
Senior Prepayment Percentage                                        100.000000%
Subordinate Percentage                                                0.000000%
Subordinate Prepayment Percentage                                     0.000000%
One Month LIBOR Loan Balance                                     195,156,412.16
Six Month LIBOR Loan Balance                                     500,297,227.30
</TABLE>