<PAGE>

                                                                    EXHIBIT 99.1

                                                                     Page 1 of 4


                ORIGEN MANUFACTURED HOUSING CONTRACT TRUST 2004-B

                         STATEMENT TO CERTIFICATEHOLDERS

                                 AUGUST 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    29,044,643.87   2,226,546.58      69,465.11   2,296,011.69     0.00       0.00      26,818,097.29
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     440,857.46     440,857.46     0.00       0.00               0.00
         --------------   --------------   ------------   ------------   ------------     ----       ----     --------------
TOTALS   173,000,000.00   153,044,643.87   2,226,546.58   1,043,829.24   3,270,375.82     0.00       0.00     150,818,097.29
         ==============   ==============   ============   ============   ============     ====       ====     ==============
</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     592.74783408   45.43972612   1.41765531   46.85738143     547.30810796
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                 884.65112064   12.87021145   6.03369503   18.90390647     871.78090919
                     ==============   ===========   ==========   ===========   ==============
</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

                                 AUGUST 15, 2005

<TABLE>
<S>                    <C>                                      <C>
Section 7.05(a)(i)     Principal Payment Allocable to Holders     2,226,546.58

Section 7.05(a)(ii)    Interest Payment Allocable to Holders        602,971.78

Section 7.05(a)(iii)   Servicing Fee                                188,597.64
                       Indenture Trustee Fee                          2,758.78
                       Indenture Trustee Expenses                     1,020.40
                       Owner Trustee Fee                                  0.00
                       Monthly Backup Servicing Fee                   5,000.00

Section 7.05(a)(iv)    Beginning Balance of Contracts           181,053,730.72
                       Ending Balance of Contracts              178,827,184.14

Section 7.05(a)(v)     Number of Contracts                               4,091
                       Weighted Average Remaining Term                     234
                       Weighted Average Contract Rate:                   9.620%

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      39       1,268,014.39        0.71%
60-89 days       3          81,465.61        0.05%
90+days         45       1,924,599.54        1.08%
               ---       ------------        ----
Total           87       3,274,079.54        1.83%
               ===       ============        ====
</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>
10          421,658.29      0.24%
</TABLE>

        Number and Aggregate Principal Amounts of Contracts in Inventory

                                   REO Totals
<TABLE>
<CAPTION>
Number of    Principal
  Loans       Balance    Percentage
---------   ----------   ----------
<S>         <C>          <C>
20          874,995.18      0.49%
</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

                                 AUGUST 15, 2005

        Number and Aggregate Principal Amounts of Contracts in Bankruptcy

                                Bankruptcy Totals

<TABLE>
<CAPTION>
Number of     Principal
  Loans        Balance     Percentage
---------   ------------   ----------
<S>         <C>            <C>
66          2,854,056.70      1.60%
</TABLE>

<TABLE>
<S>                     <C>                                                 <C>
Section 7.05(a)(viii)   Principal Prepayments                                1,540,893.22

                        Liquidation Proceeds                                    97,079.99

Section 7.05(a)(viii)   Realized Losses

                           Current Period                                      117,386.37
                           Cumulative                                          778,573.83

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                          69,465.11

                           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

                                 AUGUST 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                         440,857.46

Expense Paid to LLC
   and DRS                                                                         620.25
Servicing Fee
   Adjustment                                                                    7,273.76
Miscellaneous
   Servicing Expenses                                                                0.00
</TABLE>

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