SECURITIES AND EXCHANGE COMMISSION
                                 Washington, D.C.  20549
                                        FORM 8-K
                     Current Report Pursuant To Section 13 or 15(d) of
                            the Securities Exchange Act of 1934
           Date of Report (Date of earliest event reported):  November 25, 2002
>
                                   IMPAC SECURED ASSETS CORP.
          (as company (the ""Company""), Impac Funding Corporation, as master
            servicer (the ""Master Servicer""), and Bankers Trust Company of
                         California, N.A., as trustee).
                               IMPAC SECURED ASSETS CORP
                (Exact name of Registrant as specified in its Charter)
                                      CALIFORNIA
                     (State or Other Jurisdiction of Incorporation)
               333-66328                        33-0715871
          (Commission File Number)       (I.R.S. Employer Identification No.)
           1401 DOVE STREET
           NEWPORT BEACH                               92660
          (Address of principal executive offices)     (Zip Code)
          Registrant's Telephone Number, Including Area Code:  (949) 475-3600
     Item 5.  Other Events
     Attached hereto is a copy of the Monthly Remittance Statements to the
     Certificateholders which was derived from the monthly information
     submitted by the Master Servicer of the Trust to the Trustee.
     Item 7.  Financial Statement and Exhibits
     Exhibits:  (as noted in Item 5 above)
     Monthly Remittance Statement to the Certificateholders dated as of
 	November 25, 2002
                                     SIGNATURE
               Pursuant to the requirements of the Securities Exchange Act of
          1934, the Registrant has duly caused this report to be signed on its
>
          behalf by the undersigned, hereunto duly authorized.
                                  Bankers Trust Company of California, N.A.,
                                  not in its individual capacity, but solely
                                  as a duly authorized agent of the Registrant
>
                                  pursuant to the Pooling and Servicing
                                  Agreement, dated as of January 1, 2002.
          Date:  Dec 12, 2002               By:  /s/ Katie Wannenmacher
                                            Katie Wannenmacher
                                            Vice President
                                   EXHIBIT INDEX
          DOCUMENT
          Monthly Remittance Statement to the Certificateholders
          dated as of November 25, 2002.
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               November 25, 2002 Distribution
               Contents
                                             TABLE OF CONTENTS

>                                         Page
                                             1.             Contents
>                                         1
                                             2.             Certificate Payment
> Report                                  2
                                             3.             Collection Account
>Report                                   8
                                             4.             Credit Enhancement
>Report                                   11
                                             5.             Collateral Report
>                                         12
                                             6.             Delinquency Report
>                                         15
                                             7.             REO Report
>                                         18
                                             8.             Prepayment Report
>                                         19
                                             9.             Prepayment Detail R
>eport                                    22
                                             10.            Realized Loss Repor
>t                                        23
                                             11.            Realized Loss Detai
>l Report                                 26
                                             12.            Triggers, Adj. Rate
> Cert. and Miscellaneous Report          27
                                             13.            Additional Certific
>ate Report                               28
                                                            Total Number of Pag
>es                                                    28
                                             CONTACTS
                                                            Administrator:   Ja
>mes F Noriega
                                                            Direct Phone Number
>:   (714)247-6281
                                                            Address:   Deutsche
> Bank
                                                                             17
>61 E. St. Andrew Place, Santa Ana, CA 92705
                                                            Web Site:   http://
>www.corporatetrust.db.com/invr
                                                            Factor Information:
>   (800) 735-7777
                                                            Main Phone Number:
>  (714) 247-6000
ISSUANCE INFORMATION
               Seller:                       Impac Secured Asset Corp.
>                                         Cut-Off Date:              January 1,
>2002
               Certificate Insurer(s):
>                                         Closing Date:               January 31
>, 2002

>                                         First Payment Date:    February 25, 20
>02
               Servicer(s):                  Impac Funding Corporation      Mas
>ter Servicer
                                             GMAC      Sub-Servicer

>                                         Distribution Date:        November 25,
> 2002
               Underwriter(s):               Bear, Stearns & Co. Inc      Under
>writer                                   Record Date:                October 31
>, 2002

>           Page 1 of 28
>         COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               REMIC I
               Certificate Payment Report for November 25, 2002 Distribution
               Distribution in Dollars - Current Period
                                                                           Prio
>r
>       Current
               Class          Original                                     Prin
>cipal                                    Total          Realized       Deferred
>       Principal
Class          Type           Face Value                                   Bala
>nce        Interest       Principal      Distribution   Losses         Interest
>       Balance
                                                                           (1)
>           (2)            (3)            (4)=(2)+(3)    (5)            (6)
>       (7)=(1)-(3)-(5)+(6)
LT1A                              173248268.9
>154428927.5     1007449.63     6240731.25     7248180.88     18652.9619
>      0    148169543.3
LT1B                                  1194.11
>  1103.0794           7.46        30.9303        38.3903         0.1381
>      0       1072.011
LT1C                                   538.39
>   519.7261           3.11         6.4299         9.5399              0
>      0       513.2962
LT1D                                 20000000
>   20000000      130474.21              0      130474.21              0
>      0       20000000
LT1E                                  5000000
>    5000000       32618.55              0       32618.55              0
>      0        5000000
LT1F                                  1750000
>    1750000       11416.49              0       11416.49              0
>      0        1750000
LT1P                                      100
>        100       73262.19              0       73262.19              0
>      0            100
R-1                                         0
>          0              0              0              0              0
>      0              0
Total                             200000101.4
>181180650.3     1255231.64     6240768.61     7496000.25        18653.1
>      0    174921228.6
               Interest Accrual Detail                                     Curr
>ent Period Factor Information per $1,000 of Original Face

>           Orig. PrincipalPrior
>       Current
               Period         Period
>           (with Notional)Principal                                    Total
>       Principal
Class          Starting       Ending                        Method         Cusi
>p          Balance        Balance        Interest       Principal      Distribu
>tion   Balance

>                          (1)            (2)            (3)            (4)=(2)+
>(3)    (5)
LT1A                                                        F-30/360
>               173248268.9    891.3735674    5.815063184    36.02189673    41.8
>3695992    855.2440046
LT1B                                                        F-30/360
>                   1194.11    923.7669896    6.247330648    25.90238755     32.
>1497182    897.7489511
LT1C                                                        F-30/360
>                    538.39    965.3338658    5.776481733    11.94282955    17.7
>1931128    953.3910362
LT1D                                                        F-30/360
>                  20000000           1000      6.5237105              0      6.
>5237105           1000
LT1E                                                        F-30/360
>                   5000000           1000        6.52371              0
>6.52371           1000
LT1F                                                        F-30/360
>                   1750000           1000    6.523708571              0    6.52
>3708571           1000
LT1P                                                        F-30/360
>                       100           1000       732621.9              0       7
>32621.9           1000
R-1                                                         F-30/360
>                         0              0              0              0
>      0              0

>                          Page 2 of  28
>         COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               REMIC I
               Certificate Payment Report for November 25, 2002 Distribution
               Distribution in Dollars - to Date

>
>       Current
               Original                                                    Unsc
>heduled    Scheduled      Total          Total          Realized       Deferred
>       Principal
Class          Face Value                    Interest                      Prin
>cipal      Principal      Principal      Distribution   Losses         Interest
>       Balance
               (1)                           (2)                           (3)
>           (4)            (5)=(3)+(4)    (6)=(2)+(5)    (7)            (8)
>       (9)=(1)-(5)-(7)+(8)
LT1A               173248268.9                   10829354.58
>23569072.98    1490998.677    25060071.66    35889426.24     18653.9619
>      0    148169543.3
LT1B                   1194.11                         78.38
>     114.75         7.2108       121.9608       200.3408         0.1381
>      0       1072.011
LT1C                    538.39                         31.97
>      23.63         1.4639        25.0939        57.0639              0
>      0       513.2962
LT1D                  20000000                     1308066.6
>          0              0              0      1308066.6              0
>      0       20000000
LT1E                   5000000                     327016.64
>          0              0              0      327016.64              0
>      0        5000000
LT1F                   1750000                     114455.83
>          0              0              0      114455.83              0
>      0        1750000
LT1P                       100                     179889.11
>          0              0              0      179889.11              0
>      0            100
R-1                          0                             0
>          0              0              0              0              0
>      0              0
Total              200000101.4                   12758893.11
>23569211.36    1491007.352    25060218.71    37819111.82        18654.1
>      0    174921228.6
               Interest Detail
               Pass-          Prior Principal
>           Non-           Prior          Unscheduled                   Paid or
>       Current
               Through        (with Notional)                              Accr
>ued        Supported      Unpaid         Interest       Optimal        Deferred
>       Unpaid
Class          Rate           Balance                                      Inte
>rest       Interest SF    Interest       Adjustments    Interest       Interest
>       Interest
                                                                           (1)
>           (2)            (3)            (4)            (5)=(1)-(2)+(3)(6)
>       (7)=(5)-(6)
LT1A               0.078284527    154428927.5
> 1007449.63              0              0              0     1007449.63     100
>7449.63              0
LT1B               0.081100557      1103.0794
>       7.46              0              0              0           7.46
>   7.46              0
LT1C               0.071902085       519.7261
>       3.11              0              0              0           3.11
>   3.11              0
LT1D               0.078284527       20000000
>  130474.21              0              0              0      130474.21      13
>0474.21              0
LT1E               0.078284527        5000000
>   32618.55              0              0              0       32618.55       3
>2618.55              0
LT1F               0.078284527        1750000
>   11416.49              0              0              0       11416.49       1
>1416.49              0
LT1P               0.078284527            100
>       0.65              0              0              0           0.65       7
>3262.19              0
R-1                                         0
>          0              0              0              0              0
>      0              0
Total                             181180650.3
>  1181970.1              0              0              0      1181970.1     125
>5231.64              0

>                          Page 3 of  28
>         COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               REMIC II
               Certificate Payment Report for November 25, 2002 Distribution
               Distribution in Dollars - Current Period
                                                                           Prio
>r
>       Current
               Class          Original                                     Prin
>cipal                                    Total          Realized       Deferred
>       Principal
Class          Type           Face Value                                   Bala
>nce        Interest       Principal      Distribution   Losses         Interest
>       Balance
                                                                           (1)
>           (2)            (3)            (4)=(2)+(3)    (5)            (6)
>       (7)=(1)-(3)-(5)+(6)
LT2-1AA                             135091675
>123200267.6      675653.46     5125570.47     5801223.93              0
>      0    118074697.1
LT2-AI1                                308000
>  180042.47         1014.1       52301.74       53315.84              0
>      0      127740.73
LT2-AI2                                179000
>     179000        1008.23              0        1008.23              0
>      0         179000
LT2-AI3                                191000
>     191000        1075.82              0        1075.82              0
>      0         191000
LT2-AI4                                255000
>     255000         1436.3              0         1436.3              0
>      0         255000
LT2-AI5                                100000
>     100000         563.26              0         563.26              0
>      0         100000
LT2-AI6                                252440
>     252440        1421.88              0        1421.88              0
>      0         252440
LT2-1M1                            41354.3473
> 41354.3473         232.93              0         232.93              0
>      0     41354.3473
LT2-1M2                            27569.5648
> 27569.5648         155.29              0         155.29              0
>      0     27569.5648
LT2-1B                             24123.3692
> 24123.3692         135.88              0         135.88              0
>      0     24123.3692
LT2-1ZZ                            1378486.49
>1263762.156        6745.16       52301.74        59046.9              0
>      0    1211460.416
LT2-2AA                           60908326.36
>54356671.75      306167.48     1008662.82      1314830.3              0
>      0    53348008.93
LT2-AII                                579560
>  509322.93        2868.79       10292.47       13161.26              0
>      0      499030.46
LT2-2M1                            18645.6527
> 18645.6527         105.02              0         105.02              0
>      0     18645.6527
LT2-2M2                            12430.4352
> 12430.4352          70.02              0          70.02              0
>      0     12430.4352
LT2-2B                             10876.6308
> 10876.6308          61.26              0          61.26              0
>      0     10876.6308
LT2-2ZZ                             621513.54
>558043.3603        3143.22       10292.47       13435.69              0
>      0    547750.8903
LT2A-IO                                     0
>          0      161458.33              0      161458.33              0
>      0              0
LT2P                                      100
>        100        73262.1              0        73262.1              0
>      0            100
R-2                                         0
>          0              0              0              0              0
>      0              0
Total                             200000101.4
>181180650.3     1236578.53     6259421.71     7496000.24              0
>      0    174921228.6
               Interest Accrual Detail                                     Curr
>ent Period Factor Information per $1,000 of Original Face

>           Orig. PrincipalPrior
>       Current
               Period         Period
>           (with Notional)Principal                                    Total
>       Principal
Class          Starting       Ending                        Method         Cusi
>p          Balance        Balance        Interest       Principal      Distribu
>tion   Balance

>                          (1)            (2)            (3)            (4)=(2)+
>(3)    (5)
LT2-1AA                                                     F-30/360
>                 135091675    911.9752763    5.001444095    37.94142364    42.9
>4286773    874.0338527
LT2-AI1                                                     F-30/360
>                    308000     584.553474    3.292532468    169.8108442    173.
>1033766    414.7426299
LT2-AI2                                                     F-30/360
>                    179000           1000    5.632569832              0    5.63
>2569832           1000
LT2-AI3                                                     F-30/360
>                    191000           1000    5.632565445              0    5.63
>2565445           1000
LT2-AI4                                                     F-30/360
>                    255000           1000     5.63254902              0     5.6
>3254902           1000
LT2-AI5                                                     F-30/360
>                    100000           1000         5.6326              0
> 5.6326           1000
LT2-AI6                                                     F-30/360
>                    252440           1000    5.632546348              0    5.63
>2546348           1000
LT2-1M1                                                     F-30/360
>                41354.3473           1000    5.632539629              0    5.63
>2539629           1000
LT2-1M2                                                     F-30/360
>                27569.5648           1000    5.632660549              0    5.63
>2660549           1000
LT2-1B                                                      F-30/360
>                24123.3692           1000    5.632712366              0    5.63
>2712366           1000
LT2-1ZZ                                                     F-30/360
>                1378486.49    916.7751483    4.893163661    37.94142371    42.8
>3458737    878.8337246
LT2-2AA                                                     F-30/360
>               60908326.36    892.4341711    5.026693365    16.56034372    21.5
>8703709    875.8738274
LT2-AII                                                     F-30/360
>                    579560     878.809666    4.949944786    17.75911036    22.7
>0905515    861.0505556
LT2-2M1                                                     F-30/360
>                18645.6527           1000    5.632412106              0    5.63
>2412106           1000
LT2-2M2                                                     F-30/360
>                12430.4352           1000    5.632948394              0    5.63
>2948394           1000
LT2-2B                                                      F-30/360
>                10876.6308           1000    5.632258843              0    5.63
>2258843           1000
LT2-2ZZ                                                     F-30/360
>                 621513.54    897.8780419    5.057363674    16.56033109    21.6
>1769476    881.3177108
LT2A-IO                                                     F-30/360
>                  26750000    934.5794393    6.035825421              0    6.03
>5825421    934.5794393
LT2P                                                        F-30/360
>                       100           1000         732621              0
> 732621           1000
R-2                                                         F-30/360
>                         0              0              0              0
>      0              0

>                          Page 4 of  28
>         COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               REMIC II
               Certificate Payment Report for November 25, 2002 Distribution
               Distribution in Dollars - to Date

>
>       Current
               Original                                                    Unsc
>heduled    Scheduled      Total          Total          Realized       Deferred
>       Principal
Class          Face Value                    Interest                      Prin
>cipal      Principal      Principal      Distribution   Losses         Interest
>       Balance
               (1)                           (2)                           (3)
>           (4)            (5)=(3)+(4)    (6)=(2)+(5)    (7)            (8)
>       (9)=(1)-(5)-(7)+(8)
LT2-1AA              135091675                    7362623.27
> 16069684.9      947292.94    17016977.84    24379601.11              0
>      0    118074697.1
LT2-AI1                 308000                      14398.79
>  169979.13       10280.14      180259.27      194658.06              0
>      0      127740.73
LT2-AI2                 179000                       10141.2
>          0              0              0        10141.2              0
>      0         179000
LT2-AI3                 191000                      10821.06
>          0              0              0       10821.06              0
>      0         191000
LT2-AI4                 255000                      14446.98
>          0              0              0       14446.98              0
>      0         255000
LT2-AI5                 100000                       5665.48
>          0              0              0        5665.48              0
>      0         100000
LT2-AI6                 252440                      14301.93
>          0              0              0       14301.93              0
>      0         252440
LT2-1M1             41354.3473                       2342.91
>          0              0              0        2342.91              0
>      0     41354.3473
LT2-1M2             27569.5648                       1561.95
>          0              0              0        1561.95              0
>      0     27569.5648
LT2-1B              24123.3692                        1366.7
>          0              0              0         1366.7              0
>      0     24123.3692
LT2-1ZZ             1378486.49                      68594.08
>  163976.36        9666.26      173642.62       242236.7              0      66
>16.5462    1211460.416
LT2-2AA            60908326.36                    3297772.55
> 7047355.52      512961.91     7560317.43    10858089.98              0
>      0    53348008.93
LT2-AII                 579560                       31145.4
>   74957.75        5571.79       80529.54      111674.94              0
>      0      499030.46
LT2-2M1             18645.6527                       1056.37
>          0              0              0        1056.37              0
>      0     18645.6527
LT2-2M2             12430.4352                        704.25
>          0              0              0         704.25              0
>      0     12430.4352
LT2-2B              10876.6308                        616.22
>          0              0              0         616.22              0
>      0     10876.6308
LT2-2ZZ              621513.54                      30395.76
>   71911.78        5234.31       77146.09      107541.85              0      33
>83.4403    547750.8903
LT2A-IO                      0                    1682395.84
>          0              0              0     1682395.84              0
>      0              0
LT2P                       100                     179888.26
>          0              0              0      179888.26              0
>      0            100
R-2                          0                             0
>          0              0              0              0              0
>      0              0
Total              200000101.4                      12730239
>23597865.44     1491007.35    25088872.79    37819111.79              0      99
>99.9865    174921228.6
               Interest Detail
               Pass-          Prior Principal
>           Non-           Prior          Unscheduled                   Paid or
>       Current
               Through        (with Notional)                              Accr
>ued        Supported      Unpaid         Interest       Optimal        Deferred
>       Unpaid
Class          Rate           Balance                                      Inte
>rest       Interest SF    Interest       Adjustments    Interest       Interest
>       Interest
                                                                           (1)
>           (2)            (3)            (4)            (5)=(1)-(2)+(3)(6)
>       (7)=(5)-(6)
LT2-1AA            0.067590779    123200267.6
>   693933.5              0              0      18280.038     675653.462      67
>5653.46              0
LT2-AI1            0.067590779      180042.47
>     1014.1              0              0              0         1014.1
> 1014.1              0
LT2-AI2            0.067590779         179000
>    1008.23              0              0              0        1008.23
>1008.23              0
LT2-AI3            0.067590779         191000
>    1075.82              0              0              0        1075.82
>1075.82              0
LT2-AI4            0.067590779         255000
>     1436.3              0              0              0         1436.3
> 1436.3              0
LT2-AI5            0.067590779         100000
>     563.26              0              0              0         563.26
> 563.26              0
LT2-AI6            0.067590779         252440
>    1421.88              0              0              0        1421.88
>1421.88              0
LT2-1M1            0.067590779     41354.3473
>     232.93              0              0              0         232.93
> 232.93              0
LT2-1M2            0.067590779     27569.5648
>     155.29              0              0              0         155.29
> 155.29              0
LT2-1B             0.067590779     24123.3692
>     135.88              0              0              0         135.88
> 135.88              0
LT2-1ZZ            0.067590779    1263762.156
>    7118.22              0              0        373.062       6745.158
>6745.16              0
LT2-2AA            0.067590779    54356671.75
>  306167.48              0              0              0      306167.48      30
>6167.48              0
LT2-AII            0.067590779      509322.93
>    2868.79              0              0              0        2868.79
>2868.79              0
LT2-2M1            0.067590779     18645.6527
>     105.02              0              0              0         105.02
> 105.02              0
LT2-2M2            0.067590779     12430.4352
>      70.02              0              0              0          70.02
>  70.02              0
LT2-2B             0.067590779     10876.6308
>      61.26              0              0              0          61.26
>  61.26              0
LT2-2ZZ            0.067590779    558043.3603
>    3143.22              0              0              0        3143.22
>3143.22              0
LT2A-IO                 0.0775       25000000
>  161458.33              0              0              0      161458.33      16
>1458.33              0
LT2P               0.067590779            100
>       0.56              0              0              0           0.56
>73262.1              0
R-2                                         0
>          0              0              0              0              0
>      0              0
Total                             206180650.3
> 1181970.09              0              0        18653.1     1163316.99     123
>6578.53              0

>                          Page 5 of  28
>         COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               REMIC III
               Certificate Payment Report for November 25, 2002 Distribution
               Distribution in Dollars - Current Period
                                                                           Prio
>r
>       Current
               Class          Original                                     Prin
>cipal                                    Total          Realized       Deferred
>       Principal
Class          Type           Face Value                                   Bala
>nce        Interest       Principal      Distribution   Losses         Interest
>       Balance
                                                                           (1)
>           (2)            (3)            (4)=(2)+(3)    (5)            (6)
>       (7)=(1)-(3)-(5)+(6)
A-I-1          FLT                   30800000
> 18004256.6       31937.55    5230173.928    5262111.478              0
>      0    12774082.67
A-I-2          AFC, SEQ              17900000
>   17900000        68467.5              0        68467.5              0
>      0       17900000
A-I-3          AFC, SEQ              19100000
>   19100000       88655.83              0       88655.83              0
>      0       19100000
A-I-4          STEP,AFC              25500000
>   25500000       133662.5              0       133662.5              0
>      0       25500000
A-I-5          STEP,AFC              10000000
>   10000000          56250              0          56250              0
>      0       10000000
A-I-6          STEP,AFC              25244000
>   25244000      147887.77              0      147887.77              0
>      0       25244000
A-II           STEP,AFC              57956000
>50932293.67      275883.26    1029247.772    1305131.032              0
>      0     49903045.9
A-IO           IO,NTL,DRB                   0
>          0      161458.33              0      161458.33              0
>      0              0
M-1            MEZ,STEP,AF            6000000
>    6000000          35000              0          35000              0
>      0        6000000
M-2            MEZ,STEP,AF            4000000
>    4000000       23333.33              0       23333.33              0
>      0        4000000
B              MEZ,STEP,AF            3500000
>    3500000       20416.67              0       20416.67              0
>      0        3500000
C              SUB                       1.36
>    1000000      128773.94              0      128773.94              0
>      0        1000000
P              SUB                        100
>        100       73261.54              0       73261.54              0
>      0            100
R-3            R                            0
>          0              0              0              0              0
>      0              0
Total                             200000101.4
>181180650.3     1244988.22      6259421.7     7504409.92              0
>      0    174921228.6
               Interest Accrual Detail                                     Curr
>ent Period Factor Information per $1,000 of Original Face

>           Orig. PrincipalPrior
>       Current
               Period         Period
>           (with Notional)Principal                                    Total
>       Principal
Class          Starting       Ending                        Method         Cusi
>p          Balance        Balance        Interest       Principal      Distribu
>tion   Balance

>                          (1)            (2)            (3)            (4)=(2)+
>(3)    (5)
A-I-1                    37554          37584               F-30/360       4525
>4TKM5             30800000    584.5537857    1.036933442    169.8108418    170.
>8477753    414.7429439
A-I-2                                                       F-30/360       4525
>4TKN3             17900000           1000          3.825              0
>  3.825           1000
A-I-3                                                       F-30/360       4525
>4TKP8             19100000           1000    4.641666492              0    4.64
>1666492           1000
A-I-4                                                       F-30/360       4525
>4TKQ6             25500000           1000    5.241666667              0    5.24
>1666667           1000
A-I-5                                                       F-30/360       4525
>4TKR4             10000000           1000          5.625              0
>  5.625           1000
A-I-6                                                       F-30/360       4525
>4TKX1             25244000           1000    5.858333465              0    5.85
>8333465           1000
A-II                                                        F-30/360       4525
>4TKS2             57956000    878.8096775    4.760219132    17.75912368    22.5
>1934282    861.0505538
A-IO                                                        F-30/360       4525
>4TKT0             26750000    934.5794393    6.035825421              0    6.03
>5825421    934.5794393
M-1                                                         F-30/360       4525
>4TKU7              6000000           1000    5.833333333              0    5.83
>3333333           1000
M-2                                                         F-30/360       4525
>4TKV5              4000000           1000      5.8333325              0      5.
>8333325           1000
B                                                           F-30/360       4525
>4TKW3              3500000           1000    5.833334286              0    5.83
>3334286           1000
C                                                           F-30/360       4525
>4TKZ6          200000101.4    910.9027897    0.643869374              0    0.64
>3869374     879.605697
P                                                           F-30/360       4525
>4TKY9                  100           1000       732615.4              0       7
>32615.4           1000
R-3                                                         F-30/360       4525
>4TLA0                    0              0              0              0
>      0              0

>                          Page 6 of  28
>         COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               REMIC III
               Certificate Payment Report for November 25, 2002 Distribution
               Distribution in Dollars - to Date

>
>       Current
               Original                                                    Unsc
>heduled    Scheduled      Total          Total          Realized       Deferred
>       Principal
Class          Face Value                    Interest                      Prin
>cipal      Principal      Principal      Distribution   Losses         Interest
>       Balance
               (1)                           (2)                           (3)
>           (4)            (5)=(3)+(4)    (6)=(2)+(5)    (7)            (8)
>       (9)=(1)-(5)-(7)+(8)
A-I-1                 30800000                     433606.11
> 17016987.7    1008929.631    18025917.33    18459523.44              0
>      0    12774082.67
A-I-2                 17900000                        684675
>          0              0              0         684675              0
>      0       17900000
A-I-3                 19100000                      886558.3
>          0              0              0       886558.3              0
>      0       19100000
A-I-4                 25500000                       1336625
>          0              0              0        1336625              0
>      0       25500000
A-I-5                 10000000                        562500
>          0              0              0         562500              0
>      0       10000000
A-I-6                 25244000                    1478877.69
>          0              0              0     1478877.69              0
>      0       25244000
A-II                  57956000                    2977488.84
>7570876.364    482077.7386    8052954.103    11030442.94              0
>      0     49903045.9
A-IO                         0                    1682395.84
>          0              0              0     1682395.84              0
>      0              0
M-1                    6000000                        350000
>          0              0              0         350000              0
>      0        6000000
M-2                    4000000                     233333.34
>          0              0              0      233333.34              0
>      0        4000000
B                      3500000                     204166.69
>          0              0              0      204166.69              0
>      0        3500000
C                         1.36                     801475.59
>          0              0              0      801475.59              0    9999
>98.6384        1000000
P                          100                     179882.58
>          0              0              0      179882.58              0
>      0            100
R-3                          0                             0
>1.42109E-14              0              0              0              0
>      0              0
Total              200000101.4                   11811584.98
>24587864.06     1491007.37    26078871.43    37890456.41              0    9999
>98.6384    174921228.6
               Interest Detail
               Pass-          Prior Principal
>           Non-           Prior          Unscheduled                   Paid or
>       Current
               Through        (with Notional)                              Accr
>ued        Supported      Unpaid         Interest       Optimal        Deferred
>       Unpaid
Class          Rate           Balance                                      Inte
>rest       Interest SF    Interest       Adjustments    Interest       Interest
>       Interest
                                                                           (1)
>           (2)            (3)            (4)            (5)=(1)-(2)+(3)(6)
>       (7)=(5)-(6)
A-I-1                   0.0206     18004256.6
>   31937.55              0              0              0       31937.55       3
>1937.55              0
A-I-2                   0.0459       17900000
>    68467.5              0              0              0        68467.5
>68467.5              0
A-I-3                   0.0557       19100000
>   88655.83              0              0              0       88655.83       8
>8655.83              0
A-I-4                   0.0629       25500000
>   133662.5              0              0              0       133662.5       1
>33662.5              0
A-I-5                   0.0675       10000000
>      56250              0              0              0          56250
>  56250              0
A-I-6              0.067590779       25244000
>  142188.47              0              0         5699.3      142188.47      14
>7887.77              0
A-II                     0.065    50932293.67
>  275883.26              0              0              0      275883.26      27
>5883.26              0
A-IO                    0.0775       25000000
>  161458.33              0              0              0      161458.33      16
>1458.33              0
M-1                0.067590779        6000000
>   33795.39              0              0        1204.61       33795.39
>  35000              0
M-2                0.067590779        4000000
>   22530.26              0              0         803.07       22530.26       2
>3333.33              0
B                  0.067590779        3500000
>   19713.98              0              0         702.69       19713.98       2
>0416.67              0
C                   0.00976442    182180650.3
>     147427              0              0              0         147427      12
>8773.94       18653.06
P                                         100
>          0              0              0              0       73261.54       7
>3261.54              0
R-3                                         0
>          0              0              0              0              0
>      0              0
Total                             387361300.5
> 1181970.07              0              0        8409.67     1255231.61     124
>4988.22       18653.06

>                          Page 7 of  28
>         COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Collection Account Report for November 25, 2002 Distribution
               Collection Account Report
SUMMARY
>           GROUP 2        GROUP 1        TOTAL
               Principal Collections
>           1,026,180.61   5,214,587.99   6,240,768.60
               Other Principal Deposits
>           0.00           0.00           0.00
               TOTAL NET PRINCIPAL
>           1,026,180.61   5,214,587.99   6,240,768.60
               Interest Collections
>           337,186.77     871,755.23     1,282,203.54
               Interest Withdrawals
>           0.00           0.00           0.00
               Interest Fees
>           (4,008.52)     (14,553.70)    (18,562.22)
               TOTAL NET INTEREST
>           333,178.25     857,201.53     1,263,641.32
               TOTAL AVAILABLE FUNDS TO BONDHOLDERS
>           1,359,358.86   6,071,789.52   7,504,409.92
PRINCIPAL - COLLECTIONS
>           GROUP 2        GROUP 1        TOTAL
               Scheduled Principal
>           54,246.66      98,160.68      152,407.34
               Curtailments
>           147.80         33,100.63      33,248.43
               Prepayments In Full
>           971,786.15     4,787,514.58   5,759,300.73
               Repurchases/Substitutions
>           0.00           212,298.03     212,298.03
               Liquidations
>           0.00           102,167.17     102,167.17
               Insurance Principal
>           0.00           0.00           0.00
               Other Principal
>           0.00           0.00           0.00
               Delinquent Principal
>           (42,131.46)    (79,989.51)    (122,120.97)
               Total Realized Loss Of Principal
>           0.00           (18,653.10)    (18,653.10)
               Pre-funding Principal Paid
>           0.00           0.00           0.00
               Principal Advanced
>           42,131.46      79,989.51      122,120.97
               TOTAL PRINCIPAL COLLECTED
>           1,026,180.61   5,214,587.99   6,240,768.60
                                                            Page 8 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Collection Account Report for November 25, 2002 Distribution
               Collection Account Report
PRINCIPAL - WITHDRAWALS
>           GROUP 2        GROUP 1        TOTAL
SPACE INTENTIONALLY LEFT BLANK
PRINCIPAL - OTHER ACCOUNTS
>           GROUP 2        GROUP 1        TOTAL
SPACE INTENTIONALLY LEFT BLANK
INTEREST - COLLECTIONS
>           GROUP 2        GROUP 1        TOTAL
               Scheduled Interest
>           347,057.96     884,675.40     1,231,733.36
               Repurchases/Substitutions
>           0.00           1,680.69       1,680.69
               Liquidation Interest
>           0.00           925.89         925.89
               Insurance Interest
>           0.00           0.00           0.00
               Other Interest
>           0.00           0.00           0.00
               Prepayment Interest Shortfalls
>           (2,743.99)     (18,114.00)    (20,857.99)
               Delinquent Interest
>           (288,826.93)   (703,803.96)   (992,630.89)
               Interest Realized Losses
>           0.00           0.00           0.00
               Compensating Interest
>           2,743.99       18,114.00      20,857.99
               Civil Relief Act Shortfalls
>           0.00           0.00           0.00
               Prepayment Premiums
>           0.00           0.00           73,261.54
               Pre-funding Intererst Coverage
>           0.00           0.00           0.00
               Interest Advanced
>           278,125.98     680,697.30     958,823.28
               Net WAC Shortfall
>           829.76         7,579.91       8,409.67
               TOTAL INTEREST COLLECTED
>           337,186.77     871,755.23     1,282,203.54
                                                            Page 9 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Collection Account Report for November 25, 2002 Distribution
               Collection Account Report
INTEREST - WITHDRAWALS
>           GROUP 2        GROUP 1        TOTAL
               Undistributed Receipts on Repurchased Loans
>           0.00           0.00           0.00
               Reimburse Advances from Late Collections
>           0.00           0.00           0.00
               Reimbursement for Expenses
>           0.00           0.00           0.00
               Reimbursements to Sub-Servicer
>           0.00           0.00           0.00
               Reimburse Fees and Advances from Late Collections
>           0.00           0.00           0.00
               Interest Earnings on the Custodial Account
>           0.00           0.00           0.00
               Prev. Unreimbursed P&I Advances
>           0.00           0.00           0.00
               Prev. Unreimbursed Servicing Advances
>           0.00           0.00           0.00
               TOTAL INTEREST WITHDRAWALS
>           0.00           0.00           0.00
INTEREST - OTHER ACCOUNTS
>           GROUP 2        GROUP 1        TOTAL
SPACE INTENTIONALLY LEFT BLANK
INTEREST - FEES
>           GROUP 2        GROUP 1        TOTAL
               Radian PMI Fee
>           1,304.99       7,279.51       8,584.50
               Trustee Fee Amount
>           462.22         1,047.62       1,509.84
               Extraordinary Trust Fund Expenses
>           0.00           0.00           0.00
               Current Servicing Fees
>           12,942.26      29,333.23      42,275.49
               Delinquent Servicing Fees
>           (10,700.95)    (23,106.66)    (33,807.61)
               TOTAL INTEREST OTHER FEES
>           4,008.52       14,553.70      18,562.22
                                                            Page 10 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Credit Enhancement Report for November 25, 2002 Distribution
               Credit Enhancement Report
ACCOUNTS
>           GROUP 2        GROUP 1        TOTAL
SPACE INTENTIONALLY LEFT BLANK
INSURANCE
>           GROUP 2        GROUP 1        TOTAL
SPACE INTENTIONALLY LEFT BLANK
STRUCTURAL FEATURES
>           GROUP 2        GROUP 1        TOTAL
               Overcollateralization Amount
>                                         1,000,000.00
               Excess Overcollateralized Amount
>                                         0.00
               Overcollateralization Release Amount
>                                         0.00
               Overcollateralization Deficiency Amount
>                                         18,653.10
               Overcollateralization Target Amount
>                                         1,000,000.00
                                                            Page 11 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Collateral Report for November 25, 2002 Distribution
               Collateral Report
COLLATERAL
>           GROUP 2        GROUP 1        TOTAL
               Loan Count:
               Original
>                       120            695            815
               Prior
>                       137            820            957
               Prefunding
>                         0              0              0
               Scheduled Paid Offs
>                         0              0              0
               Full Voluntary Prepayments
>                        -2            -24            -26
               Repurchases
>                         0             -1             -1
               Liquidations
>                         0             -1             -1
               Current
>                       135            794            929
               Principal Balance:
               Original
>               48517658.43    107380483.9    155898142.4
               Prior
>               55466845.83    125713804.4    181180650.3
               Prefunding
>                         0              0              0
               Scheduled Principal
>                 -54246.66      -98160.68     -152407.34
               Partial and Full Voluntary Prepayments
>                -971933.95    -4820615.21    -5792549.16
               Repurchases
>                         0     -212298.03     -212298.03
               Liquidations
>                         0     -102167.17     -102167.17
               Current
>               54440665.22    120480563.4    174921228.6
PREFUNDING
>           GROUP 2        GROUP 1        TOTAL
               PRE-FUNDING ACCOUNT
               Beginning Pre-Funded Amount
>                                         0.00
               Balance of Subsequent Mortgage Loans added this period
>                                         0.00
               Withdrawal remaining amounts
>                                         0.00
               Pre-Funding Account Ending Balance
>                                         0.00
               INTEREST COVERAGE ACCOUNT
               Beginning Interest Coverage Amount
>                                         735,957.61
               Interest Coverage withdrawn to support certificates
>                                         0.00
               Interest Coverage withdrawn from account
>                                         735,957.61
               Ending Interest Coverage Amount
>                                         0.00
                    Group 1
                    Group 2
Current Prin Balance by Groups (in millions of dollars)                    Tota
>l Current Principal Balance (in millions of dollars)
                                                            Page 12 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Collateral Report for November 25, 2002 Distribution
               Collateral Report
CHARACTERISTICS
>           GROUP 2        GROUP 1        TOTAL
               Weighted Average Coupon Original
>               0.076153553    0.084312099    0.081773046
               Weighted Average Coupon Prior
>               0.075142089    0.084805905    0.081830877
               Weighted Average Coupon Current
>               0.075084412    0.084695422    0.081753097
               Weighted Average Months to Maturity Original
>                       344            340    341.2496346
               Weighted Average Months to Maturity Prior
>                       335            330    331.5307056
               Weighted Average Months to Maturity Current
>                       334            329     330.556148
               Weighted Avg Remaining Amortization Term Original
>               345.1975174    348.1456083    347.2245992
               Weighted Avg Remaining Amortization Term Prior
>               336.7954996    339.0247192    338.3422634
               Weighted Avg Remaining Amortization Term Current
>               335.6219769    337.5039611    336.9182319
               Weighted Average Seasoning Original
>                1.84278944     1.99128947    1.944896778
               Weighted Average Seasoning Prior
>                9.36766108     9.52589257    9.477451406
               Weighted Average Seasoning Current
>               10.35643426    10.51925843    10.46858273
Note:  Original information refers to deal issue.
                    Group 1
                    Group 2
WAC by Groups                                                              Tota
>l WAC
WARAT by Groups                                                            Tota
>l WARAT
Note: Dates correspond to distribution dates.
                                                            Page 13 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Collateral Report for November 25, 2002 Distribution
               Collateral Report
ARM CHARACTERISTICS
>           GROUP 2        GROUP 1        TOTAL
               Weighted Average Margin Original
               Weighted Average Margin Prior
               Weighted Average Margin Current
               Weighted Average Max Rate Original
               Weighted Average Max Rate Prior
               Weighted Average Max Rate Current
               Weighted Average Min Rate Original
               Weighted Average Min Rate Prior
               Weighted Average Min Rate Current
               Weighted Average Cap Up Original
               Weighted Average Cap Up Prior
               Weighted Average Cap Up Current
               Weighted Average Cap Down Original
               Weighted Average Cap Down Prior
               Weighted Average Cap Down Current
Note:  Original information refers to deal issue.
SERVICING FEES / ADVANCES
>           GROUP 2        GROUP 1        TOTAL
               Current Servicing Fees
>           2,241.32       6,226.56       8,467.88
               Delinquent Servicing Fees
>           10,700.95      23,106.66      33,807.61
               TOTAL SERVICING FEES
>           12,942.27      29,333.22      42,275.49
               Total Servicing Fees
>           12,942.27      29,333.22      42,275.49
               Compensating Interest
>           2,743.99       18,114.00      20,857.99
               Delinquent Servicing Fees
>           (10,700.95)    (23,106.66)    (33,807.61)
               COLLECTED SERVICING FEES
>           4,985.31       24,340.56      29,325.87
               Current PPIS
>           (2,743.99)     (18,114.00)    (20,857.99)
               Current Net PPIS
>           0.00           0.00           0.00
               Total Advanced Principal For Current Payment Date
>           42,131.46      79,989.51      122,120.97
               Total Advanced Interest For Current Payment Date
>           278,125.98     680,697.30     958,823.28
               TOTAL ADVANCES FOR CURRENT PERIOD
>           320,257.44     760,686.81     1,080,944.25
ADDITIONAL COLLATERAL INFORMATION
>           GROUP 2        GROUP 1        TOTAL
               Weighted Average Net Mortgage Rate
>           7.1902%        8.1101%        7.8285%
                                                            Page 14 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Delinquency Report for November 25, 2002 Distribution
               Delinquency Report  - Total
                                                            CURRENT        1 PA
>YMENT      2  PAYMTS      3+  PAYMTS     TOTAL
DELINQUENT                    Balance
> 2612575.08      618741.08              0     3231316.16
                              % Balance
>0.014935723    0.003537256              0    0.018472979
                              # Loans
>         17              4              0             21
                              % # Loans
>0.018299247    0.004305705              0    0.022604952
FORECLOSURE                   Balance                                     0
>          0              0     3495157.06     3495157.06
                              % Balance                                   0
>          0              0     0.01998132     0.01998132
                              # Loans                                     0
>          0              0             21             21
                              % # Loans                                   0
>          0              0    0.022604952    0.022604952
BANKRUPTCY                    Balance                                     0
>  314963.85              0      262891.48      577855.33
                              % Balance                                   0
>0.001800604              0    0.001502914    0.003303517
                              # Loans                                     0
>          2              0              2              4
                              % # Loans                                   0
>0.002152853              0    0.002152853    0.004305705
REO                           Balance                                     0
>          0              0     1079444.96     1079444.96
                              % Balance                                   0
>          0              0    0.006171035    0.006171035
                              # Loans                                     0
>          0              0              5              5
                              % # Loans                                   0
>          0              0    0.005382131    0.005382131
TOTAL                         Balance                                     0
> 2927538.93      618741.08      4837493.5     8383773.51
                              % Balance                                   0
>0.016736327    0.003537256    0.027655268    0.047928851
                              # Loans                                     0
>         19              4             28             51
                              % # Loans                                   0
>0.020452099    0.004305705    0.030139935     0.05489774
Note:  Current = 0-30days, 1 Payment =31-60days, 2 Payments = 61-90days, 3+ Pay
>ments = 91+

>                                         6 Months Moving Average
1 or 2 Payments Delinquent                                                 3 or
> More Payments Delinquent
Total Foreclosure                                                          Tota
>l Bankruptcy and REO
Note: Dates correspond to distribution dates.
                                                            Page 15 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Delinquency Report for November 25, 2002 Distribution
               Delinquency Report  -  Group 1 Group
                                                            CURRENT        1 PA
>YMENT      2  PAYMTS      3+  PAYMTS     TOTAL
DELINQUENT                    Balance
>  2288050.9      618741.08              0     2906791.98
                              % Balance
>0.018991038    0.005135609              0    0.024126647
                              # Loans
>         16              4              0             20
                              % # Loans
>0.020151134    0.005037783              0    0.025188917
FORECLOSURE                   Balance                                     0
>          0              0     3173126.05     3173126.05
                              % Balance                                   0
>          0              0    0.026337244    0.026337244
                              # Loans                                     0
>          0              0             20             20
                              % # Loans                                   0
>          0              0    0.025188917    0.025188917
BANKRUPTCY                    Balance                                     0
>  314963.85              0      262891.48      577855.33
                              % Balance                                   0
> 0.00261423              0    0.002182024    0.004796254
                              # Loans                                     0
>          2              0              2              4
                              % # Loans                                   0
>0.002518892              0    0.002518892    0.005037783
REO                           Balance                                     0
>          0              0      766010.57      766010.57
                              % Balance                                   0
>          0              0     0.00635796     0.00635796
                              # Loans                                     0
>          0              0              4              4
                              % # Loans                                   0
>          0              0    0.005037783    0.005037783
TOTAL                         Balance                                     0
> 2603014.75      618741.08      4202028.1     7423783.93
                              % Balance                                   0
>0.021605267    0.005135609    0.034877228    0.061618104
                              # Loans                                     0
>         18              4             26             48
                              % # Loans                                   0
>0.022670025    0.005037783    0.032745592    0.060453401
Note:  Current = 0-30days, 1 Payment =31-60days, 2 Payments = 61-90days, 3+ Pay
>ments = 91+

>                                         6 Months Moving Average
1 or 2 Payments Delinquent                                                 3 or
> More Payments Delinquent
Total Foreclosure                                                          Tota
>l Bankruptcy and REO
Note: Dates correspond to distribution dates.
                                                            Page 16 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Delinquency Report for November 25, 2002 Distribution
               Delinquency Report  -  Group 2 Group
                                                            CURRENT        1 PA
>YMENT      2  PAYMTS      3+  PAYMTS     TOTAL
DELINQUENT                    Balance
>  324524.18              0              0      324524.18
                              % Balance
>0.005961062              0              0    0.005961062
                              # Loans
>          1              0              0              1
                              % # Loans
>0.007407407              0              0    0.007407407
FORECLOSURE                   Balance                                     0
>          0              0      322031.01      322031.01
                              % Balance                                   0
>          0              0    0.005915266    0.005915266
                              # Loans                                     0
>          0              0              1              1
                              % # Loans                                   0
>          0              0    0.007407407    0.007407407
BANKRUPTCY                    Balance                                     0
>          0              0              0              0
                              % Balance                                   0
>          0              0              0              0
                              # Loans                                     0
>          0              0              0              0
                              % # Loans                                   0
>          0              0              0              0
REO                           Balance                                     0
>          0              0      313434.39      313434.39
                              % Balance                                   0
>          0              0    0.005757358    0.005757358
                              # Loans                                     0
>          0              0              1              1
                              % # Loans                                   0
>          0              0    0.007407407    0.007407407
TOTAL                         Balance                                     0
>  324524.18              0       635465.4      959989.58
                              % Balance                                   0
>0.005961062              0    0.011672624    0.017633686
                              # Loans                                     0
>          1              0              2              3
                              % # Loans                                   0
>0.007407407              0    0.014814815    0.022222222
Note:  Current = 0-30days, 1 Payment =31-60days, 2 Payments = 61-90days, 3+ Pay
>ments = 91+

>                                         6 Months Moving Average
1 or 2 Payments Delinquent                                                 3 or
> More Payments Delinquent
Total Foreclosure                                                          Tota
>l Bankruptcy and REO
Note: Dates correspond to distribution dates.
                                                            Page 17 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               REO Report for November 25, 2002 Distribution
               REO Report  -  Mortgage Loans that Become REO During Current Dis
>tribution
SUMMARY                                                         LOAN GROUP
Total Loan Count =   0                                           Loan Group 1
>=  Group 1 Group;   REO Book Value  =  Not Available
Total Original Principal Balance =   000.00                      Loan Group 2
>  =    Group 2 Group;   REO Book Value  =  Not Available
Total Current Balance =   000.00
REO Book Value =   Not Available
REO Book Value reported corresponds to total REO loans, including loans that be
>come REO during current distribution.
Loan Number                   Original       Stated                        Curr
>ent        State &
&                             Principal      Principal      Paid to        Note
>           LTV at         Original       Origination
Loan Group                    Balance        Balance        Date           Rate
>           Origination    Term           Date
SPACE INTENTIONALLY LEFT BLANK
                                                            Page 18 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Prepayment Report for November 25, 2002 Distribution
               Prepayment Report  -  Voluntary Prepayments
VOLUNTARY PREPAYMENTS
>           GROUP 2        GROUP 1        TOTAL
               Current
               Number of Paid in Full Loans
>                         2             24             26
               Number of Repurchased Loans
>                         0              1              1
               Total Number of Loans Prepaid in Full
>                         2             25             27
               Paid in Full Balance
>                 971786.15     4787514.58     5759300.73
               Repurchased Loans Balance
>                         0      212298.03      212298.03
               Curtailments Amount
>                     147.8       33100.63       33248.43
               Total Prepayment Amount
>                 971933.95     5032913.24     6004847.19
               Cumulative
               Number of Paid in Full Loans
>                        17             90            107
               Number of Repurchased Loans
>                         0              5              5
               Total Number of Loans Prepaid in Full
>                        17             95            112
               Paid in Full Balance
>                6840560.72    15311856.52    22152417.24
               Repurchased Loans Balance
>                         0      829926.35      829926.35
               Curtailments Amount
>                 347028.04       72085.14      419113.18
               Total Prepayment Amount
>                7187588.76    16213868.01    23401456.77
SPACE INTENTIONALLY LEFT BLANK
Total Prepayments by Groups  (in thousands of dollars)                     Tota
>l Prepayments (in thousands of dollars)
                                                            Page 19 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Prepayment Report for November 25, 2002 Distribution
               Prepayment Report  -  Voluntary Prepayments
VOLUNTARY PREPAYMENT RATES
>           GROUP 2        GROUP 1        TOTAL
               SMM
>               0.017539945    0.040065975    0.033170775
               3 Months Avg SMM
>               0.020759964    0.024176428    0.023118491
               12 Months Avg SMM
               Avg SMM Since Cut-off
>               0.012291393    0.012637229     0.01252939
               CPR
>               0.191316055    0.387795346    0.332890334
               3 Months Avg CPR
>               0.222554531    0.254486253    0.244729243
               12 Months Avg CPR
               Avg CPR Since Cut-off
>               0.137922997    0.141538197      0.1404124
               PSA
>               9.236579436    18.43263706    15.89949387
               3 Months Avg  PSA Approximation
>               11.89545354    13.36275853     12.9205726
               12 Months Avg PSA Approximation
               Avg PSA Since Cut-off Approximation
>               11.64383357    11.66147698    11.65535448
                    Group 1
                    Group 2
CPR by Groups                                                              Tota
>l CPR
PSA by Groups                                                              Tota
>l PSA
                                                            Page 20 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Prepayment Report for November 25, 2002 Distribution
               Prepayment Report  -  Voluntary Prepayments
                    Group 1
                    Group 2
CPR Avg since Cut-Off by Groups                                            Tota
>l CPR Avg since Cut-Off
PSA Avg since Cut-Off  by Groups                                           Tota
>l PSA Avg since Cut-Off
PREPAYMENT CALCULATION METHODOLOGY
               Single Monthly Mortality (SMM):    (Voluntary partial and full p
>repayments + Repurchases)/(Beg Principal Balance - Sched Principal)
               Conditional Prepayment Rate (CPR):    1-((1-SMM)^12)
               PSA Standard Prepayment Model:    CPR/(0.02*min(30,WAS))
               Average SMM over period between nth month and mth month (AvgSMMn
>,m):    [(1-SMMn) * (1-SMMn+1) *.......*(1-SMMm)]^(1/months in period n,m)
               Average CPR over period between the nth month and mth month (Avg
>CPRn,m):    1-((1-AvgSMMn,m)^12)
               Average PSA Approximation over period between the nth month and
>mth month:    AvgCPRn,m/(0.02*Avg WASn,m))
               Average WASn,m:    (min(30,WASn)+min(30,WASn+1)+.......+min(30,W
>ASm)/(number of months in the period n,m)
               Weighted Average Seasoning (WAS)
               Note:  Prepayment rates are calculated since deal issue date and
> include partial and full voluntary prepayments and repurchases.
                          Dates correspond to distribution dates.
                                                            Page 21 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Prepayment Detail Report for November 25, 2002 Distribution
               Prepayment Detail Report  -  Loans Prepaid in Full During Curren
>t Distribution
SUMMARY
>           LOAN GROUP
Total Loan Count =   27
>           Loan Group 1    =    Group 1 Group
Total Original Principal Balance =   6,013,037.00
>           Loan Group 2    =    Group 2 Group
Total Prepayment Amount =   5,971,598.76
Loan Number                                  Original
>           Current        State &        Type Prepayment
&                             Loan           Principal      Prepayment     Prep
>ayment     Note           LTV at         &              Origination
Loan Group                    Status         Balance        Amount         Date
>           Rate           Origination    Original Term  Date
1100334235  1                                         110400      109444.76
>      37553         0.0825CA  -  80.00%  Paid Off  -  36          37281
1100340208  1                                         210000       208330.9
>      37533         0.0825MA  -  73.69%  Paid Off  -  18          37256
1100342220  1                                         239750      237730.44
>      37531          0.075CA  -  80.01%  Paid Off  -  36          37270
1100342354  1                                         101700      100722.56
>      37550         0.0875FL  -  90.00%  Paid Off  -  36          37246
1100342525  1                                         142400      141048.56
>      37554        0.06875AZ  -  80.00%  Paid Off  -  36          37243
1100342942  1                                         161173      160122.39
>      37543         0.0775FL  -  87.14%  Paid Off  -  36          37265
1100343525  1                                         279000      277420.33
>      37539         0.0899FL  -  90.00%  Paid Off  -  36          37265
1100343642  1                                         238984      237667.72
>      37557        0.09125TX  -  90.00%  Paid Off  -  36          37274
1100345161  1                                         261250      260086.76
>      37537        0.09625CA  -  95.00%  Paid Off  -  36          37267
1100345169  1                                         201000      200312.63
>      37551        0.10875IL  -  75.00%  Paid Off  -  18          37280
1100345239  1                                         284000      282282.03
>      37533        0.08125CA  -  94.99%  Paid Off  -  36          37272
1100345292  1                                         206000      204657.13
>      37530         0.0775CA  -  65.40%  Paid Off  -  36          37270
1100345376  1                                         201400      200379.67
>      37551           0.09NV  -  95.00%  Paid Off  -  36          37267
1100345404  1                                         233130      232036.71
>      37557        0.09375CA  -  95.00%  Paid Off  -  36          37274
1100345531  1                                         218700      217297.14
>      37536        0.08375CA  -  90.00%  Paid Off  -  36          37243
1109003793  1                                         198000      196729.98
>      37533        0.08375CA  -  90.00%  Paid Off  -  36          37245
1109004020  1                                          44900       44665.32
>      37559         0.0999FL  -  89.98%  Paid Off  -  36          37244
1109004427  1                                         300000      298732.14
>      37557        0.09875NV  -  89.52%  Paid Off  -  36          37258
1109004437  1                                         200000      198452.63
>      37551        0.06875CA  -  54.65%  Paid Off  -  36          37279
1109004444  1                                         276250      274777.12
>      37533         0.0875UT  -  85.00%  Paid Off  -  36          37256
1109004500  1                                          72000       71692.48
>      37553         0.1075CO  -  89.95%  Paid Off  -  36          37266
2500012739  1                                         230000      228709.88
>      37554          0.085CA  -  87.79%  Paid Off  -  36          37251
2500013465  1                                         121500      118356.87
>      37539        0.08375FL  -  90.00%  Paid Off  -  18          37256
2500013554  1                                         288000      285858.43
>      37545         0.0725CA  -  80.00%  Paid Off  -  36          37259
1100341106  2                                         480000      475697.74
>      37560        0.06875CA  -  67.61%  Paid Off  -  36          37242
1100342542  2                                         500000      496088.41
>      37533        0.07375CA  -  41.67%  Paid Off  -  36          37244
1100340975  1                                         213500      212298.03
>      37561          0.095GA  -  94.89%  Repur/Subs  -            37249
                                                                           Page
> 22 of 28                                                 COPYRIGHT 2002 Deutsc
>he Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Realized Loss Report for November 25, 2002 Distribution
               Realized Loss Report  -  Collateral
COLLATERAL REALIZED LOSSES
>           GROUP 2        GROUP 1        TOTAL
               Current
               Number of Loans Liquidated
>                         0              1              1
               Collateral Realized Loss/(Gain) Amount
>                         0        18653.1        18653.1
               Net Liquidation Proceeds
>                         0       83514.07       83514.07
               Cumulative
               Number of Loans Liquidated
>                         0              2              2
               Collateral Realized Loss/(Gain) Amount
>                         0        18654.1        18654.1
               Net Liquidation Proceeds
>                         0      167155.14      167155.14
               Note: Collateral realized losses may include adjustments to loan
>s liquidated in prior periods.
SPACE INTENTIONALLY LEFT BLANK
                    Group 1
>                                            3 Months Moving Average
                    Group 2
Collateral Loss Severity Approximation  by Groups                          Coll
>ateral Loss Severity Approximation
                                                            Page 23 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Realized Loss Report for November 25, 2002 Distribution
               Realized Loss Report  -  Collateral
DEFAULT SPEEDS
>           GROUP 2        GROUP 1        TOTAL
               MDR
>                         0    0.000812697    0.000563897
               3 Months Avg MDR
>                         0    0.000487739    0.000338038
               12 Months Avg MDR
               Avg MDR Since Cut-off
>                         0    0.000146347    0.000101423
               CDR
>                         0    0.009708885    0.006745813
               3 Months Avg CDR
>                         0    0.005837197    0.004048925
               12 Months Avg CDR
               Avg CDR Since Cut-off
>                         0    0.001754748    0.001216403
               SDA
>                         0    0.046148142    0.032219324
               3 Months Avg  SDA Approximation
>                         0    0.030650397     0.02137645
               12 Months Avg SDA Approximation
               Avg SDA Since Cut-off Approximation
>                         0    0.014457553    0.010097117
               Loss Severity Approximation for Current Period
>                              0.182574304    0.182574304
               3 Months Avg Loss Severity Approximation
>                               0.09129313     0.09129313
               12 Months Avg Loss Severity Approximation
               Avg  Loss Severity Approximation Since Cut-off
>                               0.09129313     0.09129313
                    Group 1
                    Group 2
CDR by Groups                                                              Tota
>l CDR
SDA by Groups                                                              Tota
>l SDA
                                                            Page 24 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Realized Loss Report for November 25, 2002 Distribution
               Realized Loss Report  -  Collateral
                    Group 1
                    Group 2
CDR Avg since Cut-Off by Groups                                            Tota
>l CDR Avg since Cut-Off
SDA Avg since Cut-Off  by Groups                                           Tota
>l SDA Avg since Cut-Off
COLLATERAL REALIZED LOSS  CALCULATION METHODOLOGY
               Monthly Default Rate (MDR):    (Beg Principal Balance of Liquida
>ted Loans)/(Total Beg Principal Balance)
               Conditional Default Rate (CDR):    1-((1-MDR)^12)
               SDA Standard Default Assumption:    CDR/IF(WAS<61,MIN(30,WAS)*0.
>02,MAX(0.03,MIN(30,WAS)*0.02-0.0095*(WAS-60)))
               Average MDR over period between nth month and mth month (AvgMDRn
>,m):    [(1-MDRn) * (1-MDRn+1) *.......*(1-MDRm)]^(1/months in period n,m)
               Average CDR over period between the nth month and mth month (Avg
>CDRn,m):    1-((1-AvgMDRn,m)^12)
               Average SDA Approximation over period between the nth month and
>mth month:
                         AvgCDRn,m/IF(Avg WASn,m<61,MIN(30,Avg WASn,m)*0.02,MAX
>(0.03,MIN(30,Avg WASn,m)*0.02-0.0095*(Avg WASn,m-60)))
               Average WASn,m:    (WASn + WASn+1 +.......+ WASm )/(number of mo
>nths in the period n,m)
               Loss Severity Approximation for current period: sum(Realized Los
>s Amount)/sum(Beg Principal Balance of Liquidated Loans)
               Average Loss Severity Approximation over period between nth mont
>h and mth month: Avg(Loss Severityn,m)
               Note:  Default rates are calculated since deal issue date and in
>clude realized gains and additional realized losses and gains from prior period
>s.
                          Dates correspond to distribution dates.
                                                            Page 25 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Realized Loss Detail Report for November 25, 2002 Distribution
               Realized Loss Detail Report  -  Loans Liquidated During Current
>Distribution
SUMMARY
>           LOAN GROUP
Total Loan Count =   1
>           Loan Group 1    =    Group 1 Group
Total Original Principal Balance =   102,600.00
>           Loan Group 2    =    Group 2 Group
Total Prior Principal Balance =   102,167.17
Total Realized Loss Amount =   18,653.10
Total Net Liquidation Proceeds =   83,514.07
Loan Number                                  Original       Prior
>           Current        State &
&                             Loan           Principal      Principal      Real
>ized       Note           LTV at         Original       Origination
Loan Group                    Status         Balance        Balance        Loss
>/(Gain)    Rate           Origination    Term           Date
1109004006  1                                         102600      102167.17
>    18653.1        0.10875GA  -  95.00%              360          37281
                                                                           Page
> 26 of 28                                                 COPYRIGHT 2002 Deutsc
>he Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Triggers, Adj. Rate Cert. and Miscellaneous Report for November
>25, 2002 Distribution
               Triggers, Adj. Rate Cert. and Miscellaneous Report
TRIGGER EVENTS
>           GROUP 2        GROUP 1        TOTAL
               Optional Termination Date Reached
>           No             No             No
               After the 36th Distribution
>           No             No             No
               Stepdown date occurred
>           No             No             No
               Trigger Event in Effect
>           No             No             No
ADJUSTABLE RATE CERTIFICATE INFORMATION
>           GROUP 2        GROUP 1        TOTAL
SPACE INTENTIONALLY LEFT BLANK
ADDITIONAL INFORMATION
>           GROUP 2        GROUP 1        TOTAL
               NET WAC SHORTFALL RESERVE FUND
               Original Net WAC Shortfall Reserve Fund Balance
>                                         210,000.00
               Net WAC Shortfall Reserve Fund Beginning Balance
>                                         147,065.08
               Net WAC Shortfall
>                                         8,409.67
               Net WAC Shortfall Reserve Fund Ending Balance
>                                         138,655.41
                                                            Page 27 of 28
>                                           COPYRIGHT 2002 Deutsche Bank
               IMPAC Secured Assets Corp.   2002-S1
               Mortgage Pass-Through Certificates
               Additional Certificate Report for November 25, 2002 Distribution
>
               Additional Certificate Report
               CLASS
>                                         Net PPIS & Other Int. Shortfalls
               A-I-1
>                                         0.00
               A-I-2
>                                         0.00
               A-I-3
>                                         0.00
               A-I-4
>                                         0.00
               A-I-5
>                                         0.00
               A-I-6
>                                         0.00
               A-II
>                                         0.00
               A-IO
>                                         0.00
               M-1
>                                         0.00
               M-2
>                                         0.00
               B
>                                         0.00
                                                            Page 28 of 28
>                                           COPYRIGHT 2002 Deutsche Bank