<PAGE>
                                                                    Exhibit 99.1

                                                                     Page 1 of 4


                ORIGEN MANUFACTURED HOUSING CONTRACT TRUST 2005-A

                         STATEMENT TO CERTIFICATEHOLDERS

                               SEPTEMBER 15, 2005

                            DISTRIBUTION IN DOLLARS

<TABLE>
<CAPTION>
            ORIGINAL         BEGINNING                                                                            ENDING
              FACE           PRINCIPAL                                                  REALIZED   DEFERRED      PRINCIPAL
CLASS         VALUE           BALANCE        PRINCIPAL      INTEREST         TOTAL       LOSSES    INTEREST       BALANCE
------   --------------   --------------   ------------   ------------   ------------   --------   --------   --------------
<S>      <C>              <C>              <C>            <C>            <C>            <C>        <C>        <C>
A1        44,500,000.00    38,608,508.11   1,776,247.72     130,625.45   1,906,873.17     0.00       0.00      36,832,260.39
A2        43,000,000.00    43,000,000.00           0.00     160,891.67     160,891.67     0.00       0.00      43,000,000.00
A3        14,300,000.00    14,300,000.00           0.00      59,225.83      59,225.83     0.00       0.00      14,300,000.00
A4        21,225,000.00    21,225,000.00           0.00      95,689.38      95,689.38     0.00       0.00      21,225,000.00
M1        17,575,000.00    17,575,000.00           0.00      79,966.25      79,966.25     0.00       0.00      17,575,000.00
M2        13,300,000.00    13,300,000.00           0.00      64,948.33      64,948.33     0.00       0.00      13,300,000.00
B         11,400,000.00    11,400,000.00           0.00      62,225.00      62,225.00     0.00       0.00      11,400,000.00
CERT               0.00             0.00           0.00     616,426.85     616,426.85     0.00       0.00               0.00
         --------------   --------------   ------------   ------------   ------------     ----       ----     --------------
TOTALS   165,300,000.00   159,408,508.11   1,776,247.72   1,269,998.76   3,046,246.48     0.00       0.00     157,632,260.39
         ==============   ==============   ============   ============   ============     ====       ====     ==============
</TABLE>

                  FACTOR INFORMATION PER $1000 OF ORIGINAL FACE

<TABLE>
<CAPTION>
                        BEGINNING                                                  ENDING
CLASS      CUSIP        PRINCIPAL      PRINCIPAL     INTEREST       TOTAL         PRINCIPAL
------   ---------   --------------   -----------   ----------   -----------   --------------
<S>      <C>         <C>              <C>           <C>          <C>           <C>
A1       68619ABG1     867.60692382   39.91567910   2.93540337   42.85108247     827.69124472
A2       68619ABH9   1,000.00000000    0.00000000   3.74166674    3.74166674   1,000.00000000
A3       68619ABJ5   1,000.00000000    0.00000000   4.14166643    4.14166643   1,000.00000000
A4       68619ABK2   1,000.00000000    0.00000000   4.50833357    4.50833357   1,000.00000000
M1       68619ABL0   1,000.00000000    0.00000000   4.55000000    4.55000000   1,000.00000000
M2       68619ABM8   1,000.00000000    0.00000000   4.88333308    4.88333308   1,000.00000000
B        68619ABN6   1,000.00000000    0.00000000   5.45833333    5.45833333   1,000.00000000
                     --------------   -----------   ----------   -----------   --------------
TOTALS                 964.35879074   10.74560024   7.68299310   18.42859335     953.61319050
                     ==============   ===========   ==========   ===========   ==============
</TABLE>

                               PASS-THROUGH RATES

<TABLE>
<CAPTION>
         CURRENT
        PASS-THRU
CLASS      RATE
-----   ---------
<S>     <C>
A1      4.060000%
A2      4.490000%
A3      4.970000%
A4      5.410000%
M1      5.460000%
M2      5.860000%
B       6.550000%
</TABLE>

           IF THERE ARE ANY QUESTIONS OR PROBLEMS WITH THIS STATEMENT,
                 PLEASE CONTACT THE ADMINISTRATOR LISTED BELOW:
                                 Rafael Martinez
             JPMorgan Chase Bank, N.A. - Structured Finance Services
                              600 Travis, 9TH FLOOR
                              Houston, Texas 77002
                    Tel: (713) 216-4391 / Fax: (713) 216-4880
                     Email: RAFAEL.TEXAS.MARTINEZ@CHASE.COM

(JP MORGAN LOGO)     COPYRIGHT 2005 J.P. MORGAN CHASE & CO. ALL RIGHTS RESERVED.

<PAGE>

                                                                     Page 2 of 4


                ORIGEN MANUFACTURED HOUSING CONTRACT TRUST 2005-A

                               SEPTEMBER 15, 2005

<TABLE>
<S>                                <C>                                                      <C>
Section 7.05(a)(i)                 Principal Payment Allocable to Holders                     1,776,247.72

Section 7.05(a)(ii)                Interest Payment Allocable to Holders                        653,571.91

Section 7.05(a)(iii)               Servicing Fee                                                192,769.28
                                   Indenture Trustee Fee                                          2,792.15
                                   Indenture Trustee Expenses                                     1,741.15
                                   Owner Trustee Fee                                                  0.00
                                   Monthly Backup Servicing Fee                                   5,000.00

Section 7.05(a)(iv)                Beginning Balance of Contracts                           185,058,508.11
                                   Ending Balance of Contracts                              183,282,260.39

Section 7.05(a)(v)                 Number of Contracts                                               3,940
                                   Weighted Average Remaining Term                                     216
                                   Weighted Average Contract Rate:                                   9.370%

Section 7.05(a)(vi)                Number and Aggregate Principal Amounts of Contracts in
                                   Delinquency including Repossessions

                                                    Delinquency Totals
                                   ----------------------------------------------------
                                                       Group Totals
                                   ----------------------------------------------------
                                     Period     Number   Principal Balance   Percentage
                                   ----------   ------   -----------------   ----------
                                   30-59 days     25          984,902.53       0.54 %
                                   60-89 days      4          127,187.42       0.07 %
                                     90+days       5          304,066.99       0.17 %
                                      Total       34        1,416,156.94       0.77 %

                                   Number and Aggregate Principal Amounts of Contracts
                                   Repossessed During Reporting Period

                                           Repossession Totals
                                   -----------------------------------
                                   Number of    Principal
                                     Loans       Balance    Percentage
                                   ---------   ----------   ----------
                                       4       182,550.26      0.10%

                                   Number and Aggregate Principal Amounts of Contracts in
                                   Inventory

                                           Repossession Totals
                                   -----------------------------------
                                   Number of    Principal
                                     Loans       Balance    Percentage
                                   ---------   ----------   ----------
                                       4       203,611.62      0.11%
</TABLE>

(JP MORGAN LOGO)     COPYRIGHT 2005 J.P. MORGAN CHASE & CO. ALL RIGHTS RESERVED.

<PAGE>

                                                                     Page 3 of 4


                ORIGEN MANUFACTURED HOUSING CONTRACT TRUST 2005-A

                               SEPTEMBER 15, 2005

<TABLE>
<CAPTION>
<S>                                <C>                                                      <C>
                                   Number and Aggregate Principal Amounts of Contracts in
                                   Bankruptcy

                                            Bankruptcy Totals
                                   -----------------------------------
                                   Number of    Principal
                                     Loans       Balance    Percentage
                                   ---------   ----------   ----------
                                       24      998,922.27      0.55%

Section 7.05(a)(viii)              Principal Prepayments                                      1,131,027.18

                                   Liquidation Proceeds                                          25,000.00

Section 7.05(a)(viii)              Realized Losses
                                      Current Period                                             13,426.42
                                      Cumulative                                                 47,130.70

Section 7.05(a)(ix)                Adjusted Note Balances
                                      Class M1                                               17,575,000.00
                                      Class M2                                               13,300,000.00
                                      Class B                                                11,400,000.00

Section 7.05(a)(x)                 Interest Payment Amount
                                      Interest Distribution - A-1                               130,625.45

                                      Interest Distribution - A-2                               160,891.67

                                      Interest Distribution - A-3                                59,225.83

                                      Interest Distribution - A-4                                95,689.38
                                      Available Funds Cap Carry-Forward Amount - A-4                  0.00
                                      Interest Reduction Amount - A-4                                 0.00

                                      Interest Distribution - M-1                                79,966.25
                                      Available Funds Cap Carry-Forward Amount - M-1                  0.00
                                      Liquidation Loss Interest Amount - M-1                          0.00
                                      Interest Reduction Amount - M-1                                 0.00

                                      Interest Distribution - M-2                                64,948.33
                                      Available Funds Cap Carry-Forward Amount - M-2                  0.00
                                      Liquidation Loss Interest Amount - M-2                          0.00
                                      Interest Reduction Amount - M-2                                 0.00

                                      Interest Distribution - B                                  62,225.00
                                      Available Funds Cap Carry-Forward Amount - B                    0.00
                                      Liquidation Loss Interest Amount - B                            0.00
                                      Interest Reduction Amount - B                                   0.00
</TABLE>

(JP MORGAN LOGO)     COPYRIGHT 2005 J.P. MORGAN CHASE & CO. ALL RIGHTS RESERVED.

<PAGE>

                                                                     Page 4 of 4


                ORIGEN MANUFACTURED HOUSING CONTRACT TRUST 2005-A

                               SEPTEMBER 15, 2005

<TABLE>
<S>                                <C>                                                       <C>
Section 7.05(a)(xi)                Overcollateralization Target Amount                       25,650,000.00
Section 7.05(a)(xii)               Overcollateralization Amount                              25,650,000.00

Section 7.05(a)(xiv)               Trust Certificate Distribution                               616,426.85

Expense Paid to LLC and DRS                                                                       1,029.61
Servicing Fee Adjustment                                                                        -26,831.80
Miscellaneous Servicing Expenses                                                                      0.00
</TABLE>

(JP MORGAN LOGO)     COPYRIGHT 2005 J.P. MORGAN CHASE & CO. ALL RIGHTS RESERVED.