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): August 25, 2004 BEAR STEARNS ASSET BACKED SECURITIES TRUST 2003-SD2 (Exact name of registrant as specified in its charter) New York (governing law of 333-91334-11 54-2132831 Pooling and Servicing Agreement) (Commission 54-2132830 (State or other File Number) jurisdiction IRS EIN 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 August 25, 2004 a distribution was made to holders of BEAR STEARNS ASSET BACKED SECURITIES TRUST, Asset Backed Certificates, Series 2003-SD2 Trust. ITEM 9.01 Financial Statements and Exhibits (c) Exhibits Exhibit Number Description EX-99.1 Monthly report distributed to holders of Asset Backed Certificates, Series 2003-SD2 Trust, relating to the August 25, 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. BEAR STEARNS ASSET BACKED SECURITIES TRUST Asset Backed Certificates, Series 2003-SD2 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: 8/26/2004 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Asset Backed Certificates, Series 2003-SD2 Trust, relating to the August 25, 2004 distribution. EX-99.1 Bear Stearns Asset Backed Securities Asset Backed Certificates Record Date: 7/31/2004 Distribution Date: 8/25/2004 BSA Series: 2003-SD2 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> I-A 07384YLH7 SEN 6.07694% 32,359,972.61 163,874.70 910,507.37 II-A 07384YLJ3 SEN 5.08948% 68,817,122.88 291,869.35 2,449,918.93 III-A 07384YLK0 SEN 4.73878% 20,832,799.31 82,268.40 1,396,202.56 B-1 07384YLL8 SUB 5.28344% 7,800,461.83 34,344.42 11,172.03 B-2 07384YLM6 SUB 5.28344% 6,466,264.57 28,470.12 9,261.15 B-3 07384YLN4 SUB 5.28344% 5,131,771.03 22,594.52 7,349.86 B-4 07384YMH6 SUB 5.28344% 3,797,573.77 16,720.22 5,438.98 B-5 07384YMJ2 SUB 5.28344% 2,565,984.27 11,297.70 3,675.07 B-6 07384YMK9 SUB 5.28344% 6,363,624.21 28,018.21 9,114.15 R-I 07384YLP9 RES 0.00000% 0.00 0.00 0.00 R-II 07384YLQ7 RES 0.00000% 0.00 0.01 0.00 Totals 154,135,574.48 679,457.65 4,802,640.10 Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses <s> <c> <c> <c> <c> I-A 0.00 31,449,465.24 1,074,382.07 0.00 II-A 0.00 66,367,203.95 2,741,788.28 0.00 III-A 0.00 19,436,596.75 1,478,470.96 0.00 B-1 0.00 7,789,289.81 45,516.45 0.00 B-2 0.00 6,457,003.41 37,731.27 0.00 B-3 0.00 5,124,421.18 29,944.38 0.00 B-4 0.00 3,792,134.78 22,159.20 0.00 B-5 0.00 2,562,309.20 14,972.77 0.00 B-6 42,655.30 6,311,854.76 37,132.36 42,655.30 R-I 0.00 0.00 0.00 0.00 R-II 0.00 0.00 0.01 0.00 Totals 42,655.30 149,290,279.08 5,482,097.75 42,655.30 <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> I-A 44,326,300.00 32,359,972.61 46,752.92 863,754.45 0.00 0.00 II-A 102,857,300.00 68,817,122.88 74,948.30 2,374,970.63 0.00 0.00 III-A 28,146,100.00 20,832,799.31 55,931.86 1,340,270.70 0.00 0.00 B-1 7,898,700.00 7,800,461.83 11,172.03 0.00 0.00 0.00 B-2 6,547,700.00 6,466,264.57 9,261.15 0.00 0.00 0.00 B-3 5,196,400.00 5,131,771.03 7,349.86 0.00 0.00 0.00 B-4 3,845,400.00 3,797,573.77 5,438.98 0.00 0.00 0.00 B-5 2,598,300.00 2,565,984.27 3,675.07 0.00 0.00 0.00 B-6 6,443,767.00 6,363,624.21 9,114.15 0.00 0.00 42,655.30 R-I 50.00 0.00 0.00 0.00 0.00 0.00 R-II 50.00 0.00 0.00 0.00 0.00 0.00 Totals 207,860,067.00 154,135,574.48 223,644.32 4,578,995.78 0.00 42,655.30 <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> I-A 910,507.37 31,449,465.24 0.70949899 910,507.37 II-A 2,449,918.93 66,367,203.95 0.64523572 2,449,918.93 III-A 1,396,202.56 19,436,596.75 0.69056092 1,396,202.56 B-1 11,172.03 7,789,289.81 0.98614833 11,172.03 B-2 9,261.15 6,457,003.41 0.98614833 9,261.15 B-3 7,349.86 5,124,421.18 0.98614833 7,349.86 B-4 5,438.98 3,792,134.78 0.98614833 5,438.98 B-5 3,675.07 2,562,309.20 0.98614833 3,675.07 B-6 51,769.45 6,311,854.76 0.97952871 9,114.15 R-I 0.00 0.00 0.00000000 0.00 R-II 0.00 0.00 0.00000000 0.00 Totals 4,845,295.40 149,290,279.08 0.71822492 4,802,640.10 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> I-A 44,326,300.00 730.04001259 1.05474447 19.48627451 0.00000000 II-A 102,857,300.00 669.05433917 0.72866291 23.08995696 0.00000000 III-A 28,146,100.00 740.16646392 1.98719752 47.61834499 0.00000000 B-1 7,898,700.00 987.56274197 1.41441376 0.00000000 0.00000000 B-2 6,547,700.00 987.56274264 1.41441269 0.00000000 0.00000000 B-3 5,196,400.00 987.56274151 1.41441382 0.00000000 0.00000000 B-4 3,845,400.00 987.56274250 1.41441202 0.00000000 0.00000000 B-5 2,598,300.00 987.56274102 1.41441327 0.00000000 0.00000000 B-6 6,443,767.00 987.56274241 1.41441334 0.00000000 0.00000000 R-I 50.00 0.00000000 0.00000000 0.00000000 0.00000000 R-II 50.00 0.00000000 0.00000000 0.00000000 0.00000000 <FN> 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> I-A 0.00000000 20.54101899 709.49899360 0.70949899 20.54101899 II-A 0.00000000 23.81861987 645.23571929 0.64523572 23.81861987 III-A 0.00000000 49.60554251 690.56092141 0.69056092 49.60554251 B-1 0.00000000 1.41441376 986.14832947 0.98614833 1.41441376 B-2 0.00000000 1.41441269 986.14832842 0.98614833 1.41441269 B-3 0.00000000 1.41441382 986.14832961 0.98614833 1.41441382 B-4 0.00000000 1.41441202 986.14832787 0.98614833 1.41441202 B-5 0.00000000 1.41441327 986.14832775 0.98614833 1.41441327 B-6 6.61962172 8.03403506 979.52870735 0.97952871 1.41441334 R-I 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R-II 0.00000000 0.00000000 0.00000000 0.00000000 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> I-A 44,326,300.00 6.07694% 32,359,972.61 163,874.69 0.00 0.00 II-A 102,857,300.00 5.08948% 68,817,122.88 291,869.35 0.00 0.00 III-A 28,146,100.00 4.73878% 20,832,799.31 82,268.40 0.00 0.00 B-1 7,898,700.00 5.28344% 7,800,461.83 34,344.42 0.00 0.00 B-2 6,547,700.00 5.28344% 6,466,264.57 28,470.12 0.00 0.00 B-3 5,196,400.00 5.28344% 5,131,771.03 22,594.52 0.00 0.00 B-4 3,845,400.00 5.28344% 3,797,573.77 16,720.22 0.00 0.00 B-5 2,598,300.00 5.28344% 2,565,984.27 11,297.70 0.00 0.00 B-6 6,443,767.00 5.28344% 6,363,624.21 28,018.21 0.00 0.00 R-I 50.00 0.00000% 0.00 0.00 0.00 0.00 R-II 50.00 0.00000% 0.00 0.00 0.00 0.00 Totals 207,860,067.00 679,457.63 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> I-A 0.00 0.00 163,874.70 0.00 31,449,465.24 II-A (0.01) 0.00 291,869.35 0.00 66,367,203.95 III-A 0.00 0.00 82,268.40 0.00 19,436,596.75 B-1 0.00 0.00 34,344.42 0.00 7,789,289.81 B-2 0.00 0.00 28,470.12 0.00 6,457,003.41 B-3 0.00 0.00 22,594.52 0.00 5,124,421.18 B-4 0.00 0.00 16,720.22 0.00 3,792,134.78 B-5 0.00 0.00 11,297.70 0.00 2,562,309.20 B-6 0.00 0.00 28,018.21 0.00 6,311,854.76 R-I 0.00 0.00 0.00 0.00 0.00 R-II 0.00 0.00 0.01 0.00 0.00 Totals (0.01) 0.00 679,457.65 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> I-A 44,326,300.00 6.07694% 730.04001259 3.69700810 0.00000000 0.00000000 II-A 102,857,300.00 5.08948% 669.05433917 2.83761435 0.00000000 0.00000000 III-A 28,146,100.00 4.73878% 740.16646392 2.92290584 0.00000000 0.00000000 B-1 7,898,700.00 5.28344% 987.56274197 4.34811045 0.00000000 0.00000000 B-2 6,547,700.00 5.28344% 987.56274264 4.34811002 0.00000000 0.00000000 B-3 5,196,400.00 5.28344% 987.56274151 4.34811023 0.00000000 0.00000000 B-4 3,845,400.00 5.28344% 987.56274250 4.34810943 0.00000000 0.00000000 B-5 2,598,300.00 5.28344% 987.56274102 4.34811223 0.00000000 0.00000000 B-6 6,443,767.00 5.28344% 987.56274241 4.34811035 0.00000000 0.00000000 R-I 50.00 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 R-II 50.00 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 <FN> 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> I-A 0.00000000 0.00000000 3.69700832 0.00000000 709.49899360 II-A (0.00000010) 0.00000000 2.83761435 0.00000000 645.23571929 III-A 0.00000000 0.00000000 2.92290584 0.00000000 690.56092141 B-1 0.00000000 0.00000000 4.34811045 0.00000000 986.14832947 B-2 0.00000000 0.00000000 4.34811002 0.00000000 986.14832842 B-3 0.00000000 0.00000000 4.34811023 0.00000000 986.14832961 B-4 0.00000000 0.00000000 4.34810943 0.00000000 986.14832787 B-5 0.00000000 0.00000000 4.34811223 0.00000000 986.14832775 B-6 0.00000000 0.00000000 4.34811035 0.00000000 979.52870735 R-I 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R-II 0.00000000 0.00000000 0.20000000 0.00000000 0.00000000 <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 5,563,701.20 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 121,892.37 Realized Loss (Gains, Subsequent Expenses & Recoveries) (42,655.30) Prepayment Penalties 0.00 Total Deposits 5,642,938.27 Withdrawals Reimbursement for Servicer Advances 114,609.40 Payment of Service Fee 46,231.11 Payment of Interest and Principal 5,482,097.76 Total Withdrawals (Pool Distribution Amount) 5,642,938.27 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 (0.01) SERVICING FEES <s> <c> Gross Servicing Fee 44,946.64 Master Servicing Fee 1,284.47 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 46,231.11 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 15 1 0 16 2,745,072.18 92,594.50 0.00 2,837,666.68 30 Days 38 1 3 0 42 5,368,311.05 150,065.70 323,251.44 0.00 5,841,628.19 60 Days 16 1 2 0 19 1,791,482.31 102,478.40 507,929.91 0.00 2,401,890.62 90 Days 5 1 1 0 7 626,782.11 194,651.25 38,084.17 0.00 859,517.53 120 Days 4 3 7 0 14 1,053,490.49 243,814.02 1,166,553.77 0.00 2,463,858.28 150 Days 1 2 7 0 10 112,863.32 311,882.73 851,751.98 0.00 1,276,498.03 180+ Days 6 8 17 5 36 583,435.54 2,262,043.56 1,543,618.97 393,565.29 4,782,663.36 Totals 70 31 38 5 144 9,536,364.82 6,010,007.84 4,523,784.74 393,565.29 20,463,722.69 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 1.710376% 0.114025% 0.000000% 1.824401% 1.835182% 0.061903% 0.000000% 1.897085% 30 Days 4.332953% 0.114025% 0.342075% 0.000000% 4.789054% 3.588914% 0.100324% 0.216106% 0.000000% 3.905344% 60 Days 1.824401% 0.114025% 0.228050% 0.000000% 2.166477% 1.197672% 0.068511% 0.339570% 0.000000% 1.605753% 90 Days 0.570125% 0.114025% 0.114025% 0.000000% 0.798176% 0.419027% 0.130132% 0.025461% 0.000000% 0.574619% 120 Days 0.456100% 0.342075% 0.798176% 0.000000% 1.596351% 0.704297% 0.162999% 0.779884% 0.000000% 1.647180% 150 Days 0.114025% 0.228050% 0.798176% 0.000000% 1.140251% 0.075453% 0.208505% 0.569428% 0.000000% 0.853386% 180+ Days 0.684151% 0.912201% 1.938426% 0.570125% 4.104903% 0.390048% 1.512260% 1.031966% 0.263113% 3.197387% Totals 7.981756% 3.534778% 4.332953% 0.570125% 16.419612% 6.375412% 4.017912% 3.024317% 0.263113% 13.680754% 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 8 1 0 9 1,711,585.65 92,594.50 0.00 1,804,180.15 30 Days 22 1 2 0 25 3,825,789.35 150,065.70 282,249.71 0.00 4,258,104.76 60 Days 9 1 1 0 11 948,612.75 102,478.40 82,745.38 0.00 1,133,836.53 90 Days 4 0 1 0 5 524,038.24 0.00 38,084.17 0.00 562,122.41 120 Days 3 2 3 0 8 955,105.74 138,579.83 512,527.74 0.00 1,606,213.31 150 Days 1 2 2 0 5 112,863.32 311,882.73 161,748.57 0.00 586,494.62 180 Days 6 5 8 3 22 583,435.54 450,975.50 590,909.43 238,351.54 1,863,672.01 Totals 45 19 18 3 85 6,949,844.94 2,865,567.81 1,760,859.50 238,351.54 11,814,623.79 0-29 Days 3.007519% 0.375940% 0.000000% 3.383459% 4.318969% 0.233650% 0.000000% 4.552619% 30 Days 8.270677% 0.375940% 0.751880% 0.000000% 9.398496% 9.653893% 0.378672% 0.712221% 0.000000% 10.744786% 60 Days 3.383459% 0.375940% 0.375940% 0.000000% 4.135338% 2.393704% 0.258591% 0.208797% 0.000000% 2.861092% 90 Days 1.503759% 0.000000% 0.375940% 0.000000% 1.879699% 1.322344% 0.000000% 0.096101% 0.000000% 1.418444% 120 Days 1.127820% 0.751880% 1.127820% 0.000000% 3.007519% 2.410088% 0.349689% 1.293299% 0.000000% 4.053075% 150 Days 0.375940% 0.751880% 0.751880% 0.000000% 1.879699% 0.284796% 0.786996% 0.408152% 0.000000% 1.479945% 180 Days 2.255639% 1.879699% 3.007519% 1.127820% 8.270677% 1.472225% 1.137979% 1.491085% 0.601450% 4.702740% Totals 16.917293% 7.142857% 6.766917% 1.127820% 31.954887% 17.537051% 7.230896% 4.443305% 0.601450% 29.812702% 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 4 0 0 4 738,848.51 0.00 0.00 738,848.51 30 Days 9 0 0 0 9 983,868.58 0.00 0.00 0.00 983,868.58 60 Days 2 0 1 0 3 201,484.32 0.00 425,184.53 0.00 626,668.85 90 Days 1 1 0 0 2 102,743.87 194,651.25 0.00 0.00 297,395.12 120 Days 1 0 2 0 3 98,384.75 0.00 419,199.63 0.00 517,584.38 150 Days 0 0 2 0 2 0.00 0.00 209,301.31 0.00 209,301.31 180 Days 0 3 6 1 10 0.00 1,811,068.06 850,489.14 94,754.88 2,756,312.08 Totals 13 8 11 1 33 1,386,481.52 2,744,567.82 1,904,174.61 94,754.88 6,129,978.83 0-29 Days 0.980392% 0.000000% 0.000000% 0.980392% 0.865570% 0.000000% 0.000000% 0.865570% 30 Days 2.205882% 0.000000% 0.000000% 0.000000% 2.205882% 1.152615% 0.000000% 0.000000% 0.000000% 1.152615% 60 Days 0.490196% 0.000000% 0.245098% 0.000000% 0.735294% 0.236041% 0.000000% 0.498109% 0.000000% 0.734151% 90 Days 0.245098% 0.245098% 0.000000% 0.000000% 0.490196% 0.120366% 0.228036% 0.000000% 0.000000% 0.348402% 120 Days 0.245098% 0.000000% 0.490196% 0.000000% 0.735294% 0.115259% 0.000000% 0.491098% 0.000000% 0.606357% 150 Days 0.000000% 0.000000% 0.490196% 0.000000% 0.490196% 0.000000% 0.000000% 0.245199% 0.000000% 0.245199% 180 Days 0.000000% 0.735294% 1.470588% 0.245098% 2.450980% 0.000000% 2.121689% 0.996359% 0.111007% 3.229055% Totals 3.186275% 1.960784% 2.696078% 0.245098% 8.088235% 1.624281% 3.215296% 2.230765% 0.111007% 7.181348% DELINQUENT BANKRUPTCY FORECLOSURE REO Total <s> Group 3 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 3 0 0 3 294,638.02 0.00 0.00 294,638.02 30 Days 7 0 1 0 8 558,653.12 0.00 41,001.73 0.00 599,654.85 60 Days 5 0 0 0 5 641,385.24 0.00 0.00 0.00 641,385.24 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 Days 0 1 2 0 3 0.00 105,234.19 234,826.40 0.00 340,060.59 150 Days 0 0 3 0 3 0.00 0.00 480,702.10 0.00 480,702.10 180 Days 0 0 3 1 4 0.00 0.00 102,220.40 60,458.87 162,679.27 Totals 12 4 9 1 26 1,200,038.36 399,872.21 858,750.63 60,458.87 2,519,120.07 0-29 Days 1.477833% 0.000000% 0.000000% 1.477833% 1.198146% 0.000000% 0.000000% 1.198146% 30 Days 3.448276% 0.000000% 0.492611% 0.000000% 3.940887% 2.271764% 0.000000% 0.166734% 0.000000% 2.438498% 60 Days 2.463054% 0.000000% 0.000000% 0.000000% 2.463054% 2.608195% 0.000000% 0.000000% 0.000000% 2.608195% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 0.000000% 0.492611% 0.985222% 0.000000% 1.477833% 0.000000% 0.427935% 0.954922% 0.000000% 1.382857% 150 Days 0.000000% 0.000000% 1.477833% 0.000000% 1.477833% 0.000000% 0.000000% 1.954776% 0.000000% 1.954776% 180 Days 0.000000% 0.000000% 1.477833% 0.492611% 1.970443% 0.000000% 0.000000% 0.415680% 0.245856% 0.661536% Totals 5.911330% 1.970443% 4.433498% 0.492611% 12.807882% 4.879959% 1.626081% 3.492112% 0.245856% 10.244008% OTHER INFORMATION <s> <c> Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 121,892.37 SUBORDINATION LEVEL/CLASS PERCENTAGE AND PREPAYMENT PERCENTAGE Current Original $ Original % Current $ Current % Class% Prepayment% <s> <c> <c> <c> <c> <c> <c> <c> Class A 163,533,767.00 78.67493230% 117,840,813.84 78.93401597% 21.065983% 0.000000% Class 2A 60,676,467.00 29.19101676% 51,473,609.89 34.47887547% 44.455141% 207.157901% Class 3A 32,530,367.00 15.65012822% 32,037,013.14 21.45954381% 13.019332% 60.669191% Class B-1 24,631,667.00 11.85011982% 24,247,723.33 16.24199730% 5.217547% 24.313408% Class B-2 18,083,967.00 8.70006792% 17,790,719.92 11.91686415% 4.325133% 20.154823% Class B-3 12,887,567.00 6.20011683% 12,666,298.74 8.48434252% 3.432522% 15.995315% Class B-4 9,042,167.00 4.35012224% 8,874,163.96 5.94423423% 2.540108% 11.836730% Class B-5 6,443,867.00 3.10009859% 6,311,854.76 4.22790736% 1.716327% 7.997965% Class B-6 100.00 0.00004811% 0.00 0.00000000% 4.227907% 19.701758% Class R-I 50.00 0.00002405% 0.00 0.00000000% 0.000000% 0.000000% Class R-II 0.00 0.00000000% 0.00 0.00000000% 0.000000% 0.000000% <FN> Please Refer to the Prospectus Supplement for a Full Description of Loss Exposure </FN> COLLATERAL STATEMENT Collateral Description Mixed ARM Weighted Average Gross Coupon 5.645528% Weighted Average Net Coupon 5.295602% Weighted Average Pass-Through Rate 5.285602% Weighted Average Maturity(Stepdown Calculation ) 321 Beginning Scheduled Collateral Loan Count 902 Number Of Loans Paid In Full 25 Ending Scheduled Collateral Loan Count 877 Beginning Scheduled Collateral Balance 154,135,575.88 Ending Scheduled Collateral Balance 149,290,280.48 Ending Actual Collateral Balance at 31-Jul-2004 149,580,371.60 Monthly P &I Constant 948,791.55 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 42,655.30 Cumulative Realized Loss 42,655.30 Class A Optimal Amount 5,294,641.30 Ending Scheduled Balance for Premium Loans 149,290,280.48 Scheduled Principal 223,644.32 Unscheduled Principal 4,621,651.08 Miscellaneous Reporting Senior Percentage 79.157517% Senior Percentage Group 1 79.938793% Senior Percentage Group 2 78.447443% Senior Percentage Group 3 80.340035% Senior Prepay Percentage Group 1 100.000000% Senior Prepay Percentage Group 2 100.000000% Senior Prepay Percentage Group 3 100.000000% Subordinate Percentage 20.842483% Subordinate Percentage Group 1 20.061207% Subordinate Percentage Group 2 21.552557% Subordinate Percentage Group 3 19.659965% Subordinate Prepay Percentage 0.000000% Subordinate Prepay Percent Group1 0.000000% Subordinate Prepay Percent Group 2 0.000000% Subordinate Prepay Percent Group 3 0.000000% Subordination Doubling Test passed? NO Delinquency Test passed? YES Realized Loss Test passed? YES Group Level Collateral Statement Group Group 1 Group 2 Group 3 Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 6.479328 5.387666 5.216218 Weighted Average Net Rate 6.092211 5.089638 4.748781 Weighted Average Maturity 319 341 249 Beginning Loan Count 273 418 211 Loans Paid In Full 7 10 8 Ending Loan Count 266 408 203 Beginning Scheduled Balance 40,480,937.07 87,723,856.88 25,930,781.93 Ending scheduled Balance 39,516,041.42 85,253,346.74 24,520,892.32 Record Date 07/31/2004 07/31/2004 07/31/2004 Principal And Interest Constant 277,060.28 489,395.18 182,336.09 Scheduled Principal 58,485.90 95,539.51 69,618.91 Unscheduled Principal 906,409.75 2,374,970.63 1,340,270.70 Scheduled Interest 218,574.38 393,855.67 112,717.18 Servicing Fees 13,059.04 21,786.76 10,100.84 Master Servicing Fees 337.36 731.02 216.09 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 0.00 0.00 0.00 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 205,177.98 371,337.89 102,400.25 Realized Loss Amount 42,655.30 0.00 0.00 Cumulative Realized Loss 42,655.30 0.00 0.00 Percentage of Cumulative Losses 0.0812 0.0000 0.0000 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 6.082211 5.079638 4.738781 Group Level Collateral Statement Group Total Collateral Description Mixed ARM Weighted Average Coupon Rate 5.645528 Weighted Average Net Rate 5.295602 Weighted Average Maturity 321 Beginning Loan Count 902 Loans Paid In Full 25 Ending Loan Count 877 Beginning Scheduled Balance 154,135,575.88 Ending scheduled Balance 149,290,280.48 Record Date 07/31/2004 Principal And Interest Constant 948,791.55 Scheduled Principal 223,644.32 Unscheduled Principal 4,621,651.08 Scheduled Interest 725,147.23 Servicing Fees 44,946.64 Master Servicing Fees 1,284.47 Trustee Fee 0.00 FRY Amount 0.00 Special Hazard Fee 0.00 Other Fee 0.00 Pool Insurance Fee 0.00 Spread Fee 1 0.00 Spread Fee 2 0.00 Spread Fee 3 0.00 Net Interest 678,916.12 Realized Loss Amount 42,655.30 Cumulative Realized Loss 42,655.30 Percentage of Cumulative Losses 0.0205 Prepayment Penalties 0.00 Special Servicing Fee 0.00 Pass-Through Rate 5.285602