<PAGE>

                                                                    Exhibit 99.1

                                                                     Page 1 of 4


                ORIGEN MANUFACTURED HOUSING CONTRACT TRUST 2004-B

                         STATEMENT TO CERTIFICATEHOLDERS

                               SEPTEMBER 15, 2005

                             DISTRIBUTION IN DOLLARS

<TABLE>
<CAPTION>
                             BEGINNING                                                                            ENDING
            ORIGINAL         PRINCIPAL                                                  REALIZED   DEFERRED      PRINCIPAL
CLASS      FACE VALUE         BALANCE        PRINCIPAL      INTEREST         TOTAL       LOSSES    INTEREST       BALANCE
------   --------------   --------------   ------------   ------------   ------------   --------   --------   --------------
<S>      <C>              <C>              <C>            <C>            <C>            <C>        <C>        <C>
A1        49,000,000.00    26,818,097.29   2,528,358.58      64,139.95   2,592,498.53     0.00       0.00      24,289,738.71
A2        42,300,000.00    42,300,000.00           0.00     133,597.50     133,597.50     0.00       0.00      42,300,000.00
A3        16,100,000.00    16,100,000.00           0.00      63,729.17      63,729.17     0.00       0.00      16,100,000.00
A4        21,600,000.00    21,600,000.00           0.00      98,280.00      98,280.00     0.00       0.00      21,600,000.00
M1        19,000,000.00    19,000,000.00           0.00      90,725.00      90,725.00     0.00       0.00      19,000,000.00
M2        11,000,000.00    11,000,000.00           0.00      59,675.00      59,675.00     0.00       0.00      11,000,000.00
B1        10,000,000.00    10,000,000.00           0.00      62,500.00      62,500.00     0.00       0.00      10,000,000.00
B2         4,000,000.00     4,000,000.00           0.00      25,000.00      25,000.00     0.00       0.00       4,000,000.00
CERT               0.00             0.00           0.00     437,343.87     437,343.87     0.00       0.00               0.00
         --------------   --------------   ------------   ------------   ------------     ----       ----     --------------
TOTALS   173,000,000.00   150,818,097.29   2,528,358.58   1,034,990.49   3,563,349.07     0.00       0.00     148,289,738.71
         ==============   ==============   ============   ============   ============     ====       ====     ==============
</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       68619AAZ0     547.30810796   51.59915469   1.30897857   52.90813327     495.70895327
A2       68619ABA4   1,000.00000000    0.00000000   3.15833333    3.15833333   1,000.00000000
A3       68619ABB2   1,000.00000000    0.00000000   3.95833354    3.95833354   1,000.00000000
A4       68619ABC0   1,000.00000000    0.00000000   4.55000000    4.55000000   1,000.00000000
M1       68619ABD8   1,000.00000000    0.00000000   4.77500000    4.77500000   1,000.00000000
M2       68619ABE6   1,000.00000000    0.00000000   5.42500000    5.42500000   1,000.00000000
B1       68619ABF3   1,000.00000000    0.00000000   6.25000000    6.25000000   1,000.00000000
B2                   1,000.00000000    0.00000000   6.25000000    6.25000000   1,000.00000000
                     --------------   -----------   ----------   -----------   --------------
TOTALS                 871.78090919   14.61478948   5.98260399   20.59739347     857.16611971
                     ==============   ===========   ==========   ===========   ==============
</TABLE>

                               PASS-THROUGH RATES

<TABLE>
<CAPTION>
        CURRENT PASS-
CLASS     THRU RATE
-----   -------------
<S>     <C>
A1        2.870000%
A2        3.790000%
A3        4.750000%
A4        5.460000%
M1        5.730000%
M2        6.510000%
B1        7.500000%
B2        7.500000%
</TABLE>

 IF THERE ARE ANY QUESTIONS OR PROBLEMS WITH THIS STATEMENT, PLEASE CONTACT THE
                           ADMINISTRATOR LISTED BELOW:

                                   Janice Rose
             JPMorgan Chase Bank, N.A. - Structured Finance Services
                                600 Travis, 9 FL
                              Houston, Texas 77002
                    Tel: (713) 216-3068 / Fax: (713) 216-4880
                          Email: Janice.Rose@chase.com

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

<PAGE>

                                                                     Page 2 of 4


                ORIGEN MANUFACTURED HOUSING CONTRACT TRUST 2004-B

                               SEPTEMBER 15, 2005

<TABLE>
<S>                    <C>                                       <C>
Section 7.05(a)(i)     Principal Payment Allocable to Holders      2,528,358.58

Section 7.05(a)(ii)    Interest Payment Allocable to Holders         597,646.62

Section 7.05(a)(iii)   Servicing Fee                                 186,278.32
                       Indenture Trustee Fee                           2,740.23
                       Indenture Trustee Expenses                        955.85
                       Owner Trustee Fee                                   0.00
                       Monthly Backup Servicing Fee                    5,000.00

Section 7.05(a)(iv)    Beginning Balance of Contracts            178,827,184.14
                       Ending Balance of Contracts               176,298,825.56

Section 7.05(a)(v)     Number of Contracts                                4,041
                       Weighted Average Remaining Term                      234
                       Weighted Average Contract Rate:                    9.615%

Section 7.05(a)(vi)    Number and Aggregate Principal Amounts
                       of Contracts in Delinquency
</TABLE>

                               Delinquency Totals
                                  Group Totals

<TABLE>
<CAPTION>
Period       Number   Principal Balance   Percentage
------       ------   -----------------   ----------
<S>          <C>      <C>                 <C>
30-59 days     40        1,499,150.85        0.85%
60-89 days     15          471,018.38        0.27%
90+days        35        1,565,158.55        0.89%
Total          90        3,535,327.78        2.01%
</TABLE>

Number and Aggregate Principal Amounts of Contracts Repossessed During Reporting
                                     Period

                               Foreclosure Totals

<TABLE>
<CAPTION>
Number of    Principal
Loans        Balance     Percentage
---------   ----------   ----------
<S>         <C>          <C>
11          385,074.77      0.22%
</TABLE>

        Number and Aggregate Principal Amounts of Contracts in Inventory

                                   REO Totals

<TABLE>
<CAPTION>
Number of    Principal
Loans        Balance     Percentage
---------   ----------   ----------
<S>         <C>          <C>
22          995,235.25      0.56%
</TABLE>

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

<PAGE>

                                                                     Page 3 of 4


                ORIGEN MANUFACTURED HOUSING CONTRACT TRUST 2004-B

                               SEPTEMBER 15, 2005

        Number and Aggregate Principal Amounts of Contracts in Bankruptcy

                               Bankruptcy Totals

<TABLE>
<CAPTION>
Number of    Principal
Loans        Balance       Percentage
---------   -----------    ----------
<S>         <C>            <C>
71          3,024,415.35      1.72%
</TABLE>

<TABLE>
<S>                                <C>                                                 <C>
Section 7.05(a)(viii)              Principal Prepayments                                1,764,211.23

                                   Liquidation Proceeds                                   178,863.98

Section 7.05(a)(viii)              Realized Losses
                                      Current Period                                      245,014.46
                                      Cumulative                                        1,023,588.29

Section 7.05(a)(ix)                Adjusted Note Balances
                                      Class M1                                         19,000,000.00
                                      Class M2                                         11,000,000.00
                                      Class B1                                         10,000,000.00
                                      Class B2                                          4,000,000.00

Section 7.05(a)(x)                 Interest Payment Amount
                                      Interest Distribution - A-1                          64,139.95

                                      Interest Distribution - A-2                         133,597.50

                                      Interest Distribution - A-3                          63,729.17

                                      Interest Distribution - A-4                          98,280.00
                                      Available Funds Cap Carry-Forward Amount - A-4            0.00
                                      Interest Reduction Amount - A-4                           0.00

                                      Interest Distribution - M-1                          90,725.00
                                      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                          59,675.00
                                      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-1                          62,500.00
                                      Available Funds Cap Carry-Forward Amount - B-1            0.00
                                      Liquidation Loss Interest Amount - B-1                    0.00
</TABLE>

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

<PAGE>

                                                                     Page 4 of 4


                ORIGEN MANUFACTURED HOUSING CONTRACT TRUST 2004-B

                               SEPTEMBER 15, 2005

<TABLE>
<S>                                <C>                                                 <C>
                                      Interest Reduction Amount - B-1                           0.00

                                      Interest Distribution - B-2                          25,000.00
                                      Available Funds Cap Carry-Forward Amount - B-2            0.00
                                      Liquidation Loss Interest Amount - B-2                    0.00
                                      Interest Reduction Amount - B-2                           0.00

Section 7.05(a)(xi)                Overcollateralization Target Amount                 28,009,086.85
Section 7.05(a)(xii)               Overcollateralization Amount                        28,009,086.85

Section 7.05(a)(xiv)               Trust Certificate Distribution                         437,343.87

Expense Paid to LLC and DRS                                                                 2,545.90
Servicing Fee Adjustment                                                                  -19,289.13
Miscellaneous Servicing Expenses                                                                0.00
</TABLE>

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