<PAGE>
                                                                    Exhibit 99.1

                                                                     Page 1 of 4


                ORIGEN MANUFACTURED HOUSING CONTRACT TRUST 2005-A

                         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     44,500,000.00   40,201,433.50  1,592,925.39    136,014.85  1,728,940.24    0.00      0.00     38,608,508.11
  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    516,612.26    516,612.26    0.00      0.00              0.00
        --------------  --------------  ------------  ------------  ------------    ----      ----    --------------
TOTALS  165,300,000.00  161,001,433.50  1,592,925.39  1,175,573.57  2,768,498.96    0.00      0.00    159,408,508.11
        ==============  ==============  ============  ============  ============    ====      ====    ==============
</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    903.40300000  35.79607618  3.05651348  38.85258966    867.60692382
  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               973.99536298   9.63657223  7.11175783  16.74833007    964.35879074
                   ==============   ==========  ==========  ===========  ==============
</TABLE>

                               PASS-THROUGH RATES

<TABLE>
<CAPTION>
       CURRENT PASS-
CLASS    THRU 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

                                 AUGUST 15, 2005

<TABLE>
<S>                                <C>                                                      <C>
Section 7.05(a)(i)                 Principal Payment Allocable to Holders                     1,592,925.39

Section 7.05(a)(ii)                Interest Payment Allocable to Holders                        658,961.31

Section 7.05(a)(iii)               Servicing Fee                                                194,428.58
                                   Indenture Trustee Fee                                          2,805.43
                                   Indenture Trustee Expenses                                     2,029.75
                                   Owner Trustee Fee                                                  0.00
                                   Monthly Backup Servicing Fee                                   5,000.00

Section 7.05(a)(iv)                Beginning Balance of Contracts                           186,651,433.50
                                   Ending Balance of Contracts                              185,058,508.11

Section 7.05(a)(v)                 Number of Contracts                                               3,970
                                   Weighted Average Remaining Term                                     217
                                   Weighted Average Contract Rate:                                   9.380%

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

                                                    Delinquency Totals
                                                       Group Totals
                                   ----------------------------------------------------
                                     Period     Number   Principal Balance   Percentage
                                   ----------   ------   -----------------   ----------
                                   30-59 days     19          682,143.63        0.37%
                                   60-89 days      8          387,318.23        0.21%
                                     90+days       1           34,907.11        0.02%
                                                 ---        ------------        ----
                                      Total       28        1,104,368.97        0.60%
                                                 ===        ============        ====

                                   Number and Aggregate Principal Amounts of Contracts
                                   Repossessed During Reporting Period

                                               Foreclosure Totals
                                   ------------------------------------------
                                   Number of
                                     Loans     Principal Balance   Percentage
                                   ---------   -----------------   ----------
                                       1           34,907.11          0.02%

                                   Number and Aggregate Principal Amounts of Contracts in
                                   Inventory

                                                   REO Totals
                                   ------------------------------------------
                                   Number of
                                     Loans     Principal Balance   Percentage
                                   ---------   -----------------   ----------
                                       1           34,907.11          0.02%
</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

                                 AUGUST 15, 2005

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

                                                Bankruptcy Totals
                                   ------------------------------------------
                                   Number of
                                     Loans     Principal Balance   Percentage
                                   ---------   -----------------   ----------
                                       15          653,735.85         0.35%

Section 7.05(a)(viii)              Principal Prepayments                                      1,138,299.19

                                   Liquidation Proceeds                                               0.00

Section 7.05(a)(viii)              Realized Losses
                                      Current Period                                                  0.00
                                      Cumulative                                                 33,704.28

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                               136,014.85

                                      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

                                 AUGUST 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                               516,612.26

Expense Paid to LLC and DRS                                                                         210.66
Servicing Fee Adjustment                                                                        -10,224.33
Miscellaneous Servicing Expenses                                                                      0.00
</TABLE>

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