UNITED STATES 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): December 27, 2004 ACE SECURITIES CORP. HOME EQUITY LOAN TRUST Asset Backed Pass-Through Certificates, Series 2004-SD1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-119047-01 54-2161161 Pooling and Servicing Agreement) (Commission 54-2161162 (State or other File Number) IRS EIN jurisdiction of Incorporation) c/o Wells Fargo Bank, N.A. 9062 Old Annapolis Road Columbia, MD 21045 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (410) 884-2000 (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act(17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act(17 CFR 240.13e-4(c)) ITEM 8.01 Other Events On December 27, 2004 a distribution was made to holders of ACE SECURITIES CORP. HOME EQUITY LOAN TRUST, Asset Backed Pass-Through Certificates, Series 2004-SD1 Trust. ITEM 9.01 Financial Statements and Exhibits (c) Exhibits Exhibit Number Description EX-99.1 Monthly report distributed to holders of Asset Backed Pass-Through Certificates, Series 2004-SD1 Trust, relating to the December 27, 2004 distribution. 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. ACE SECURITIES CORP. HOME EQUITY LOAN TRUST Asset Backed Pass-Through Certificates, Series 2004-SD1 Trust (Registrant) By: Wells Fargo Bank, N.A. as Securities Administrator By: /s/ Beth Belfield as Assistant Vice President By: Beth Belfield as Assistant Vice President Date: 12/29/2004 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Asset Backed Pass-Through Certificates, Series 2004-SD1 Trust, relating to the December 27, 2004 distribution. EX-99.1 ACE Securities Corporation Asset Backed Pass-Through Certificates Record Date: 11/30/2004 Distribution Date: 12/27/2004 ACE Securities Corporation Asset Backed Pass-Through Certificates Series 2004-SD1 Contact: Customer Service - CTSLink Wells Fargo Bank, N.A. Securities Administration Services 7485 New Horizon Way Frederick, MD 21703 Telephone: (301) 815-6600 Fax: (301) 815-6660 Certificateholder Distribution Summary Certificate Certificate Beginning Class Pass-Through Certificate Interest Principal Class CUSIP Description Rate Balance Distribution Distribution <s> <c> <c> <c> <c> <c> <c> A-1 004421HD8 SEN 2.67000% 112,757,333.61 259,247.90 5,584,815.02 M-1 004421HE6 SEN 3.13000% 5,427,000.00 14,627.27 0.00 M-2 004421HF3 SEN 3.93000% 2,713,000.00 9,181.24 0.00 M-3 004421HG1 SEN 4.93000% 2,374,000.00 10,078.29 0.00 M-4 004421HH9 SEN 4.93000% 678,000.00 2,878.30 0.00 CE ACE04SD1C SEN 0.00000% 1,017,538.46 462,549.22 0.00 P ACE04SD1P SEN 0.00000% 100.00 11,656.68 0.00 Totals 124,966,972.07 770,218.90 5,584,815.02 Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses <s> <c> <c> <c> <c> A-1 0.00 107,172,518.59 5,844,062.92 0.00 M-1 0.00 5,427,000.00 14,627.27 0.00 M-2 0.00 2,713,000.00 9,181.24 0.00 M-3 0.00 2,374,000.00 10,078.29 0.00 M-4 0.00 678,000.00 2,878.30 0.00 CE 0.00 1,017,538.46 462,549.22 0.00 P 0.00 100.00 11,656.68 0.00 Totals 0.00 119,382,157.05 6,355,033.92 0.00 <FN> All distributions required by the Pooling and Servicing Agreement have been calculated by the Certificate Administrator on behalf of the Trustee. </FN> Principal Distribution Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Realized Class Amount Balance Distribution Distribution Accretion Loss (1) <s> <c> <c> <c> <c> <c> <c> A-1 123,461,000.00 112,757,333.61 0.00 5,584,815.02 0.00 0.00 M-1 5,427,000.00 5,427,000.00 0.00 0.00 0.00 0.00 M-2 2,713,000.00 2,713,000.00 0.00 0.00 0.00 0.00 M-3 2,374,000.00 2,374,000.00 0.00 0.00 0.00 0.00 M-4 678,000.00 678,000.00 0.00 0.00 0.00 0.00 CE 1,018,695.29 1,017,538.46 0.00 0.00 0.00 0.00 P 100.00 100.00 0.00 0.00 0.00 0.00 Totals 135,671,795.29 124,966,972.07 0.00 5,584,815.02 0.00 0.00 <FN> (1) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description. </FN> Principal Distribution Statement (continued) Total Ending Ending Total Principal Certificate Certificate Principal Class Reduction Balance Percentage Distribution <s> <c> <c> <c> <c> A-1 5,584,815.02 107,172,518.59 0.86806780 5,584,815.02 M-1 0.00 5,427,000.00 1.00000000 0.00 M-2 0.00 2,713,000.00 1.00000000 0.00 M-3 0.00 2,374,000.00 1.00000000 0.00 M-4 0.00 678,000.00 1.00000000 0.00 CE 0.00 1,017,538.46 0.99886440 0.00 P 0.00 100.00 1.00000000 0.00 Totals 5,584,815.02 119,382,157.05 0.87993350 5,584,815.02 Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion <s> <c> <c> <c> <c> <c> A-1 123,461,000.00 913.30325860 0.00000000 45.23545913 0.00000000 M-1 5,427,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M-2 2,713,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M-3 2,374,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M-4 678,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 CE 1,018,695.29 998.86440036 0.00000000 0.00000000 0.00000000 P 100.00 1000.00000000 0.00000000 0.00000000 0.00000000 <FN> (2) All Classes are per $1,000 denomination </FN> Principal Distribution Factors Statement (continued) Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution <s> <c> <c> <c> <c> <c> A-1 0.00000000 45.23545913 868.06779947 0.86806780 45.23545913 M-1 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 M-2 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 M-3 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 M-4 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 CE 0.00000000 0.00000000 998.86440036 0.99886440 0.00000000 P 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 <FN> (3) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description. </FN> Interest Distribution Statement Beginning Payment of Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class Amount Rate Balance Interest Shortfall Shortfall <s> <c> <c> <c> <c> <c> <c> A-1 123,461,000.00 2.67000% 112,757,333.61 259,247.90 0.00 0.00 M-1 5,427,000.00 3.13000% 5,427,000.00 14,627.27 0.00 0.00 M-2 2,713,000.00 3.93000% 2,713,000.00 9,181.24 0.00 0.00 M-3 2,374,000.00 4.93000% 2,374,000.00 10,078.29 0.00 0.00 M-4 678,000.00 4.93000% 678,000.00 2,878.30 0.00 0.00 CE 1,018,695.29 0.00000% 1,017,538.46 0.00 0.00 0.00 P 100.00 0.00000% 100.00 0.00 0.00 0.00 Totals 135,671,795.29 296,013.00 0.00 0.00 Interest Distribution Statement (continued) Remaining Ending Non-Supported Total Unpaid Certificate/ Interest Realized Interest Interest Notional Class Shortfall Losses (4) Distribution Shortfall Balance <s> <c> <c> <c> <c> <c> A-1 0.00 0.00 259,247.90 0.00 107,172,518.59 M-1 0.00 0.00 14,627.27 0.00 5,427,000.00 M-2 0.00 0.00 9,181.24 0.00 2,713,000.00 M-3 0.00 0.00 10,078.29 0.00 2,374,000.00 M-4 0.00 0.00 2,878.30 0.00 678,000.00 CE 0.00 0.00 462,549.22 0.00 1,017,538.46 P 0.00 0.00 11,656.68 0.00 100.00 Totals 0.00 0.00 770,218.90 0.00 <FN> (4) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description. </FN> Interest Distribution Factors Statement Beginning Payment of Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class (5) Amount Rate Balance Interest Shortfall Shortfall <s> <c> <c> <c> <c> <c> <c> A-1 123,461,000.00 2.67000% 913.30325860 2.09983639 0.00000000 0.00000000 M-1 5,427,000.00 3.13000% 1000.00000000 2.69527732 0.00000000 0.00000000 M-2 2,713,000.00 3.93000% 1000.00000000 3.38416513 0.00000000 0.00000000 M-3 2,374,000.00 4.93000% 1000.00000000 4.24527801 0.00000000 0.00000000 M-4 678,000.00 4.93000% 1000.00000000 4.24528024 0.00000000 0.00000000 CE 1,018,695.29 0.00000% 998.86440036 0.00000000 0.00000000 0.00000000 P 100.00 0.00000% 1000.00000000 0.00000000 0.00000000 0.00000000 <FN> (5) All Classes are per $1,000 denomination </FN> Interest Distribution Factors Statement (continued) Remaining Ending Non-Supported Total Unpaid Certificate/ Interest Realized Interest Interest Notional Class Shortfall Losses (6) Distribution Shortfall Balance <s> <c> <c> <c> <c> <c> A-1 0.00000000 0.00000000 2.09983639 0.00000000 868.06779947 M-1 0.00000000 0.00000000 2.69527732 0.00000000 1000.00000000 M-2 0.00000000 0.00000000 3.38416513 0.00000000 1000.00000000 M-3 0.00000000 0.00000000 4.24527801 0.00000000 1000.00000000 M-4 0.00000000 0.00000000 4.24528024 0.00000000 1000.00000000 CE 0.00000000 0.00000000 454.06042861 0.00000000 998.86440036 P 0.00000000 0.00000000 116566.80000000 0.00000000 1000.00000000 <FN> (6) Amount Does Not Include Excess Special Hazard, Bankruptcy,or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description. </FN> CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT <s> <c> Beginning Balance 0.00 Deposits Payments of Interest and Principal 6,374,207.21 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 252,710.10 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 11,656.68 Total Deposits 6,638,573.99 Withdrawals Reimbursement for Servicer Advances 242,925.81 Payment of Service Fee 40,614.26 Payment of Interest and Principal 6,355,033.92 Total Withdrawals (Pool Distribution Amount) 6,638,573.99 Ending Balance 0.00 PREPAYMENT/CURTAILMENT INTEREST SHORTFALL <s> <c> Total Prepayment/Curtailment Interest Shortfall 0.00 Servicing Fee Support 0.00 Non-Supported Prepayment/Curtailment Interest Shortfall 0.00 SERVICING FEES <s> <c> Gross Servicing Fee 32,803.83 Credit Risk Manager - Risk Managment Group LLC 2,082.78 Master Servicing Fee: Wells Fargo Bank 5,727.65 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 40,614.26 OTHER ACCOUNTS Beginning Current Current Ending Account Type Balance Withdrawals Deposits Balance <s> <c> <c> <c> <c> Reserve Fund 1,000.00 0.00 0.00 1,000.00 LOAN STATUS STRATIFICATION/CREDIT ENHANCEMENT STATEMENT DELINQUENCY STATUS DELINQUENT BANKRUPTCY FORECLOSURE REO Total <s> <c> <c> <c> <c> <c> No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 25 0 0 25 3,754,259.94 0.00 0.00 3,754,259.94 30 Days 72 7 1 0 80 8,536,454.02 854,932.57 153,752.60 0.00 9,545,139.19 60 Days 17 6 7 0 30 1,840,000.00 539,190.10 872,392.95 0.00 3,251,583.05 90 Days 5 11 14 0 30 691,953.72 821,927.71 1,574,352.75 0.00 3,088,234.18 120 Days 3 7 5 0 15 290,821.13 871,507.38 1,270,577.69 0.00 2,432,906.20 150 Days 1 5 8 0 14 196,900.65 906,891.63 1,414,453.08 0.00 2,518,245.36 180+ Days 6 48 16 0 70 573,333.14 6,268,973.53 1,805,091.39 0.00 8,647,398.06 Totals 104 109 51 0 264 12,129,462.66 14,017,682.86 7,090,620.46 0.00 33,237,765.98 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 2.003205% 0.000000% 0.000000% 2.003205% 3.138660% 0.000000% 0.000000% 3.138660% 30 Days 5.769231% 0.560897% 0.080128% 0.000000% 6.410256% 7.136701% 0.714746% 0.128541% 0.000000% 7.979988% 60 Days 1.362179% 0.480769% 0.560897% 0.000000% 2.403846% 1.538289% 0.450777% 0.729344% 0.000000% 2.718409% 90 Days 0.400641% 0.881410% 1.121795% 0.000000% 2.403846% 0.578492% 0.687153% 1.316200% 0.000000% 2.581845% 120 Days 0.240385% 0.560897% 0.400641% 0.000000% 1.201923% 0.243134% 0.728603% 1.062236% 0.000000% 2.033974% 150 Days 0.080128% 0.400641% 0.641026% 0.000000% 1.121795% 0.164614% 0.758185% 1.182520% 0.000000% 2.105320% 180+ Days 0.480769% 3.846154% 1.282051% 0.000000% 5.608974% 0.479322% 5.241027% 1.509104% 0.000000% 7.229453% Totals 8.333333% 8.733974% 4.086538% 0.000000% 21.153846% 10.140551% 11.719153% 5.927946% 0.000000% 27.787650% Delinquency Status By Groups DELINQUENT BANKRUPTCY FORECLOSURE REO Total <s> Group 1 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 16 0 0 16 2,454,042.99 0.00 0.00 2,454,042.99 30 Days 50 6 0 0 56 6,549,828.67 757,870.96 0.00 0.00 7,307,699.63 60 Days 10 4 6 0 20 1,177,098.04 385,678.10 725,064.22 0.00 2,287,840.36 90 Days 4 9 10 0 23 494,746.16 677,910.09 1,044,222.37 0.00 2,216,878.62 120 Days 2 5 3 0 10 179,804.77 658,079.59 675,219.52 0.00 1,513,103.88 150 Days 0 3 1 0 4 0.00 604,066.65 144,849.86 0.00 748,916.51 180 Days 4 33 3 0 40 360,978.11 4,517,280.43 333,415.96 0.00 5,211,674.50 Totals 70 76 23 0 169 8,762,455.75 10,054,928.81 2,922,771.93 0.00 21,740,156.49 0-29 Days 2.435312% 0.000000% 0.000000% 2.435312% 3.562005% 0.000000% 0.000000% 3.562005% 30 Days 7.610350% 0.913242% 0.000000% 0.000000% 8.523592% 9.506973% 1.100038% 0.000000% 0.000000% 10.607011% 60 Days 1.522070% 0.608828% 0.913242% 0.000000% 3.044140% 1.708539% 0.559806% 1.052419% 0.000000% 3.320764% 90 Days 0.608828% 1.369863% 1.522070% 0.000000% 3.500761% 0.718116% 0.983976% 1.515672% 0.000000% 3.217764% 120 Days 0.304414% 0.761035% 0.456621% 0.000000% 1.522070% 0.260984% 0.955192% 0.980070% 0.000000% 2.196246% 150 Days 0.000000% 0.456621% 0.152207% 0.000000% 0.608828% 0.000000% 0.876793% 0.210247% 0.000000% 1.087041% 180 Days 0.608828% 5.022831% 0.456621% 0.000000% 6.088280% 0.523954% 6.556761% 0.483948% 0.000000% 7.564663% Totals 10.654490% 11.567732% 3.500761% 0.000000% 25.722983% 12.718566% 14.594571% 4.242357% 0.000000% 31.555494% DELINQUENT BANKRUPTCY FORECLOSURE REO Total <s> Group 2 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 9 0 0 9 1,300,216.95 0.00 0.00 1,300,216.95 30 Days 22 1 1 0 24 1,986,625.35 97,061.61 153,752.60 0.00 2,237,439.56 60 Days 7 2 1 0 10 662,901.96 153,512.00 147,328.73 0.00 963,742.69 90 Days 1 2 4 0 7 197,207.56 144,017.62 530,130.38 0.00 871,355.56 120 Days 1 2 2 0 5 111,016.36 213,427.79 595,358.17 0.00 919,802.32 150 Days 1 2 7 0 10 196,900.65 302,824.98 1,269,603.22 0.00 1,769,328.85 180 Days 2 15 13 0 30 212,355.03 1,751,693.10 1,471,675.43 0.00 3,435,723.56 Totals 34 33 28 0 95 3,367,006.91 3,962,754.05 4,167,848.53 0.00 11,497,609.49 0-29 Days 1.522843% 0.000000% 0.000000% 1.522843% 2.563597% 0.000000% 0.000000% 2.563597% 30 Days 3.722504% 0.169205% 0.169205% 0.000000% 4.060914% 3.916968% 0.191373% 0.303149% 0.000000% 4.411490% 60 Days 1.184433% 0.338409% 0.169205% 0.000000% 1.692047% 1.307023% 0.302675% 0.290483% 0.000000% 1.900182% 90 Days 0.169205% 0.338409% 0.676819% 0.000000% 1.184433% 0.388828% 0.283955% 1.045242% 0.000000% 1.718025% 120 Days 0.169205% 0.338409% 0.338409% 0.000000% 0.846024% 0.218888% 0.420809% 1.173849% 0.000000% 1.813546% 150 Days 0.169205% 0.338409% 1.184433% 0.000000% 1.692047% 0.388223% 0.597071% 2.503237% 0.000000% 3.488531% 180 Days 0.338409% 2.538071% 2.199662% 0.000000% 5.076142% 0.418694% 3.453759% 2.901657% 0.000000% 6.774110% Totals 5.752961% 5.583756% 4.737733% 0.000000% 16.074450% 6.638623% 7.813239% 8.217618% 0.000000% 22.669480% OTHER INFORMATION <s> <c> Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 252,710.10 Class M-1 6,783,795.29 5.00015149% 6,782,638.46 5.68145075% 4.545905% 0.000000% Class M-2 4,070,795.29 3.00047278% 4,069,638.46 3.40891684% 2.272534% 0.000000% Class M-3 1,696,795.29 1.25066178% 1,695,638.46 1.42034497% 1.988572% 0.000000% Class M-4 1,018,795.29 0.75092637% 1,017,638.46 0.85242090% 0.567924% 0.000000% Class CE 100.00 0.00007371% 100.00 0.00008376% 0.852337% 0.000000% Class P 0.00 0.00000000% 0.00 0.00000000% 0.000084% 0.000000% <FN> Please Refer to the Prospectus Supplement for a Full Description of Loss Exposure </FN> COLLATERAL STATEMENT Collateral Description Mixed Fixed & Arm Weighted Average Gross Coupon 7.674124% Weighted Average Net Coupon 7.359126% Weighted Average Pass-Through Rate 7.284127% Weighted Average Maturity(Stepdown Calculation ) 242 Beginning Scheduled Collateral Loan Count 1,284 Number Of Loans Paid In Full 36 Ending Scheduled Collateral Loan Count 1,248 Beginning Scheduled Collateral Balance 124,966,972.07 Ending Scheduled Collateral Balance 119,382,157.05 Ending Actual Collateral Balance at 30-Nov-2004 119,613,448.69 Monthly P &I Constant 1,089,317.83 Special Servicing Fee 0.00 Prepayment Penalties 11,656.68 Realized Loss Amount 0.00 Cumulative Realized Loss 5,811.64 Scheduled Principal 335,075.61 Unscheduled Principal 5,249,739.41 Required Overcollateralization Amount 0.00 Overcollateralized Increase Amount 0.00 Overcollateralized reduction Amount 0.00 Specified O/C Amount 1,017,538.46 Overcollateralized Amount 1,017,538.46 Overcollateralized Deficiency Amount 0.00 Base Overcollateralized Amount 0.00 COLLATERAL STATEMENT Collateral Description Mixed Fixed & Arm Weighted Average Coupon Rate 7.674124% Weighted Average Net Rate 7.359126% Weighted Average Pass Through Rate 7.284127% Weighted Average Maturity 242 Record Date 11/30/2004 Principal and Interest Constant 1,089,317.83 Beginning Loan Count 1,284 Loans Paid in Full 36 Ending Loan Count 1,248 Beginning Scheduled Balance 124,966,972.07 Ending Scheduled Balance 119,382,157.05 Ending Actual Balance at 30-Nov-2004 119,613,448.69 Scheduled Principal 335,075.61 Unscheduled Principal 5,249,739.41 Scheduled Interest 754,242.22 Servicing Fee 32,803.83 Master Servicing Fee 5,727.65 Trustee Fee 0.00 FRY Amount 0.00 Special Hazard Fee 0.00 Other Fee 2,082.78 Pool Insurance Fee 0.00 Spread 1 0.00 Spread 2 0.00 Spread 3 0.00 Net Interest 713,627.96 Realized Loss Amount 0.00 Cumulative Realized Loss 5,811.64 Percentage of Cumulative Losses 0.0043 Special Servicing Fee 0.00 Prepayment Penalties 11,656.68 Required Overcollateralized Amount 0.00 Overcollateralized Increase Amount 0.00 Overcollateralized Reduction Amount 0.00 Specified O/C Amount 1,017,538.46 Overcollateralized Amount 1,017,538.46 Overcollateralized Deficiency Amount 0.00 Base Overcollateralization Amount 0.00 Miscellaneous Reporting Overcollateralization Amount 1,017,538.46 Overcollateralization Increase Amount 0.00 Overcollateralization Reduction Amount 0.00 Overcollateralization Target Amount 1,017,538.46 Specified Overcollateralization Amount 1,017,538.46 Interest Arrearage 44938.35 Group Level Collateral Statement Group Group 1 Group 2 Total Collateral Description Fixed 15/30 & ARM Fixed 15/30 & ARM Mixed Fixed & Arm Weighted Average Coupon Rate 7.862048 6.387341 7.674124 Weighted Average Net Rate 7.547048 6.072341 7.359126 Weighted Average Maturity 244 240 242 Beginning Loan Count 678 606 1,284 Loans Paid In Full 21 15 36 Ending Loan Count 657 591 1,248 Beginning Scheduled Balance 72,478,141.73 52,488,830.34 124,966,972.07 Ending scheduled Balance 68,749,634.76 50,632,522.29 119,382,157.05 Record Date 11/30/2004 11/30/2004 11/30/2004 Principal And Interest Constant 652,886.45 436,431.38 1,089,317.83 Scheduled Principal 178,030.95 157,044.66 335,075.61 Unscheduled Principal 3,550,476.02 1,699,263.39 5,249,739.41 Scheduled Interest 474,855.50 279,386.72 754,242.22 Servicing Fees 19,025.51 13,778.32 32,803.83 Master Servicing Fees 3,321.91 2,405.74 5,727.65 Trustee Fee 0.00 0.00 0.00 FRY Amount 0.00 0.00 0.00 Special Hazard Fee 0.00 0.00 0.00 Other Fee 1,207.97 874.81 2,082.78 Pool Insurance Fee 0.00 0.00 0.00 Spread Fee 1 0.00 0.00 0.00 Spread Fee 2 0.00 0.00 0.00 Spread Fee 3 0.00 0.00 0.00 Net Interest 451,300.11 262,327.85 713,627.96 Realized Loss Amount 0.00 0.00 0.00 Cumulative Realized Loss 5,811.64 0.00 5,811.64 Percentage of Cumulative Losses 0.0074 0.0000 0.0043 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 7.472048 5.997341 7.284127