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): June 25, 2004 BEAR STEARNS ASSET BACKED SECURITIES TRUST Asset-Backed Certificates, Series 2003-SD2 Trust (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) 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) ITEM 5. Other Events On June 25, 2004 a distribution was made to holders of BEAR STEARNS ASSET BACKED SECURITIES TRUST, Asset-Backed Certificates, Series 2003-SD2 Trust. ITEM 7. Financial Statements and Exhibits (c) Exhibits furnished in accordance with Item 601(a) of Regulation S-K Exhibit Number Description EX-99.1 Monthly report distributed to holders of Asset-Backed Certificates, Series 2003-SD2 Trust, relating to the June 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 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: 6/28/2004 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 June 25, 2004 distribution. EX-99.1 Bear Stearns Asset Backed Securities Asset-Backed Certificates Record Date: 5/31/2004 Distribution Date: 6/25/2004 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 6.06581% 35,782,602.16 180,875.28 1,807,831.92 II-A 07384YLJ3 SEN 5.08444% 78,726,647.98 333,567.17 4,994,352.53 III-A 07384YLK0 SEN 4.76307% 22,519,607.42 89,385.35 681,152.69 B-1 07384YLL8 SUB 5.28139% 7,822,881.95 34,429.76 11,219.57 B-2 07384YLM6 SUB 5.28139% 6,484,849.93 28,540.87 9,300.57 B-3 07384YLN4 SUB 5.28139% 5,146,520.79 22,650.66 7,381.14 B-4 07384YMH6 SUB 5.28139% 3,808,488.77 16,761.77 5,462.13 B-5 07384YMJ2 SUB 5.28139% 2,573,359.44 11,325.77 3,690.71 B-6 07384YMK9 SUB 5.28139% 6,381,914.56 28,087.83 9,152.94 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 169,246,873.00 745,624.47 7,529,544.20 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 33,974,770.24 1,988,707.20 0.00 II-A 0.00 73,732,295.45 5,327,919.70 0.00 III-A 0.00 21,838,454.72 770,538.04 0.00 B-1 0.00 7,811,662.38 45,649.33 0.00 B-2 0.00 6,475,549.36 37,841.44 0.00 B-3 0.00 5,139,139.65 30,031.80 0.00 B-4 0.00 3,803,026.64 22,223.90 0.00 B-5 0.00 2,569,668.73 15,016.48 0.00 B-6 0.00 6,372,761.63 37,240.77 0.00 R-I 0.00 0.00 0.00 0.00 R-II 0.00 0.00 0.01 0.00 Totals 0.00 161,717,328.80 8,275,168.67 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> I-A 44,326,300.00 35,782,602.16 51,527.62 1,756,304.30 0.00 0.00 II-A 102,857,300.00 78,726,647.98 85,616.26 4,908,736.27 0.00 0.00 III-A 28,146,100.00 22,519,607.42 60,950.70 620,201.99 0.00 0.00 B-1 7,898,700.00 7,822,881.95 11,219.57 0.00 0.00 0.00 B-2 6,547,700.00 6,484,849.93 9,300.57 0.00 0.00 0.00 B-3 5,196,400.00 5,146,520.79 7,381.14 0.00 0.00 0.00 B-4 3,845,400.00 3,808,488.77 5,462.13 0.00 0.00 0.00 B-5 2,598,300.00 2,573,359.44 3,690.71 0.00 0.00 0.00 B-6 6,443,767.00 6,381,914.56 9,152.94 0.00 0.00 0.00 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 207,860,067.00 169,246,873.00 244,301.64 7,285,242.56 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> I-A 1,807,831.92 33,974,770.24 0.76646980 1,807,831.92 II-A 4,994,352.53 73,732,295.45 0.71684067 4,994,352.53 III-A 681,152.69 21,838,454.72 0.77589630 681,152.69 B-1 11,219.57 7,811,662.38 0.98898077 11,219.57 B-2 9,300.57 6,475,549.36 0.98898077 9,300.57 B-3 7,381.14 5,139,139.65 0.98898077 7,381.14 B-4 5,462.13 3,803,026.64 0.98898077 5,462.13 B-5 3,690.71 2,569,668.73 0.98898077 3,690.71 B-6 9,152.94 6,372,761.63 0.98898077 9,152.94 R-I 0.00 0.00 0.00000000 0.00 R-II 0.00 0.00 0.00000000 0.00 Totals 7,529,544.20 161,717,328.80 0.77801057 7,529,544.20 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 44,326,300.00 807.25443270 1.16246156 39.62217239 0.00000000 II-A 102,857,300.00 765.39679712 0.83237903 47.72375194 0.00000000 III-A 28,146,100.00 800.09690224 2.16551139 22.03509509 0.00000000 B-1 7,898,700.00 990.40119893 1.42043248 0.00000000 0.00000000 B-2 6,547,700.00 990.40119889 1.42043313 0.00000000 0.00000000 B-3 5,196,400.00 990.40119891 1.42043338 0.00000000 0.00000000 B-4 3,845,400.00 990.40119883 1.42043220 0.00000000 0.00000000 B-5 2,598,300.00 990.40120079 1.42043259 0.00000000 0.00000000 B-6 6,443,767.00 990.40119855 1.42043311 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 40.78463395 766.46979874 0.76646980 40.78463395 II-A 0.00000000 48.55613097 716.84066615 0.71684067 48.55613097 III-A 0.00000000 24.20060648 775.89629540 0.77589630 24.20060648 B-1 0.00000000 1.42043248 988.98076646 0.98898077 1.42043248 B-2 0.00000000 1.42043313 988.98076577 0.98898077 1.42043313 B-3 0.00000000 1.42043338 988.98076553 0.98898077 1.42043338 B-4 0.00000000 1.42043220 988.98076663 0.98898077 1.42043220 B-5 0.00000000 1.42043259 988.98076819 0.98898077 1.42043259 B-6 0.00000000 1.42043311 988.98076700 0.98898077 1.42043311 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 6.06581% 35,782,602.16 180,875.30 0.00 0.00 II-A 102,857,300.00 5.08444% 78,726,647.98 333,567.21 0.00 0.00 III-A 28,146,100.00 4.76307% 22,519,607.42 89,385.35 0.00 0.00 B-1 7,898,700.00 5.28139% 7,822,881.95 34,429.76 0.00 0.00 B-2 6,547,700.00 5.28139% 6,484,849.93 28,540.87 0.00 0.00 B-3 5,196,400.00 5.28139% 5,146,520.79 22,650.67 0.00 0.00 B-4 3,845,400.00 5.28139% 3,808,488.77 16,761.77 0.00 0.00 B-5 2,598,300.00 5.28139% 2,573,359.44 11,325.77 0.00 0.00 B-6 6,443,767.00 5.28139% 6,381,914.56 28,087.83 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 207,860,067.00 745,624.53 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 0.02 0.00 180,875.28 0.00 33,974,770.24 II-A 0.03 0.00 333,567.17 0.00 73,732,295.45 III-A 0.01 0.00 89,385.35 0.00 21,838,454.72 B-1 0.00 0.00 34,429.76 0.00 7,811,662.38 B-2 0.00 0.00 28,540.87 0.00 6,475,549.36 B-3 0.00 0.00 22,650.66 0.00 5,139,139.65 B-4 0.00 0.00 16,761.77 0.00 3,803,026.64 B-5 0.00 0.00 11,325.77 0.00 2,569,668.73 B-6 0.00 0.00 28,087.83 0.00 6,372,761.63 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 0.06 0.00 745,624.47 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 6.06581% 807.25443270 4.08054135 0.00000000 0.00000000 II-A 102,857,300.00 5.08444% 765.39679712 3.24300959 0.00000000 0.00000000 III-A 28,146,100.00 4.76307% 800.09690224 3.17576325 0.00000000 0.00000000 B-1 7,898,700.00 5.28139% 990.40119893 4.35891476 0.00000000 0.00000000 B-2 6,547,700.00 5.28139% 990.40119889 4.35891534 0.00000000 0.00000000 B-3 5,196,400.00 5.28139% 990.40119891 4.35891579 0.00000000 0.00000000 B-4 3,845,400.00 5.28139% 990.40119883 4.35891455 0.00000000 0.00000000 B-5 2,598,300.00 5.28139% 990.40120079 4.35891544 0.00000000 0.00000000 B-6 6,443,767.00 5.28139% 990.40119855 4.35891459 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 0.00000045 0.00000000 4.08054090 0.00000000 766.46979874 II-A 0.00000029 0.00000000 3.24300920 0.00000000 716.84066615 III-A 0.00000036 0.00000000 3.17576325 0.00000000 775.89629540 B-1 0.00000000 0.00000000 4.35891476 0.00000000 988.98076646 B-2 0.00000000 0.00000000 4.35891534 0.00000000 988.98076577 B-3 0.00000000 0.00000000 4.35891386 0.00000000 988.98076553 B-4 0.00000000 0.00000000 4.35891455 0.00000000 988.98076663 B-5 0.00000000 0.00000000 4.35891544 0.00000000 988.98076819 B-6 0.00000000 0.00000000 4.35891459 0.00000000 988.98076700 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 8,325,541.56 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 118,686.76 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 8,444,228.32 Withdrawals Reimbursement for Servicer Advances 118,478.96 Payment of Service Fee 50,580.69 Payment of Interest and Principal 8,275,168.67 Total Withdrawals (Pool Distribution Amount) 8,444,228.32 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 49,170.30 Master Servicing Fee 1,410.39 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 50,580.69 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 3 0 18 2,665,537.01 500,523.86 0.00 3,166,060.87 30 Days 30 2 4 0 36 3,221,141.96 208,533.42 368,406.13 0.00 3,798,081.51 60 Days 21 0 3 0 24 2,887,279.94 0.00 277,157.22 0.00 3,164,437.16 90 Days 7 3 6 0 16 1,057,591.10 507,018.95 561,762.53 0.00 2,126,372.58 120 Days 2 2 3 0 7 871,377.08 219,924.34 342,606.89 0.00 1,433,908.31 150 Days 1 1 7 0 9 36,415.27 109,126.05 997,236.44 0.00 1,142,777.76 180+ Days 8 8 17 5 38 1,246,184.77 943,049.90 3,297,686.11 372,726.64 5,859,647.42 Totals 69 31 43 5 148 9,319,990.12 4,653,189.67 6,345,379.18 372,726.64 20,691,285.61 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 1.588983% 0.317797% 0.000000% 1.906780% 1.645053% 0.308902% 0.000000% 1.953955% 30 Days 3.177966% 0.211864% 0.423729% 0.000000% 3.813559% 1.987949% 0.128698% 0.227364% 0.000000% 2.344011% 60 Days 2.224576% 0.000000% 0.317797% 0.000000% 2.542373% 1.781904% 0.000000% 0.171049% 0.000000% 1.952953% 90 Days 0.741525% 0.317797% 0.635593% 0.000000% 1.694915% 0.652699% 0.312910% 0.346695% 0.000000% 1.312305% 120 Days 0.211864% 0.211864% 0.317797% 0.000000% 0.741525% 0.537776% 0.135728% 0.211442% 0.000000% 0.884946% 150 Days 0.105932% 0.105932% 0.741525% 0.000000% 0.953390% 0.022474% 0.067348% 0.615451% 0.000000% 0.705273% 180+ Days 0.847458% 0.847458% 1.800847% 0.529661% 4.025424% 0.769091% 0.582009% 2.035188% 0.230031% 3.616319% Totals 7.309322% 3.283898% 4.555085% 0.529661% 15.677966% 5.751892% 2.871746% 3.916092% 0.230031% 12.769761% 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 3 0 11 1,762,146.67 500,523.86 0.00 2,262,670.53 30 Days 19 2 3 0 24 2,199,925.81 208,533.42 265,662.26 0.00 2,674,121.49 60 Days 11 0 1 0 12 1,256,379.92 0.00 97,093.84 0.00 1,353,473.76 90 Days 5 2 3 0 10 760,930.78 311,882.73 310,882.77 0.00 1,383,696.28 120 Days 2 2 3 0 7 871,377.08 219,924.34 342,606.89 0.00 1,433,908.31 150 Days 0 1 2 0 3 0.00 109,126.05 419,903.13 0.00 529,029.18 180 Days 8 4 6 4 22 1,246,184.77 315,084.18 432,802.54 277,971.76 2,272,043.25 Totals 45 19 21 4 89 6,334,798.36 2,926,697.39 2,369,475.29 277,971.76 11,908,942.80 0-29 Days 2.807018% 1.052632% 0.000000% 3.859649% 4.173282% 1.185388% 0.000000% 5.358669% 30 Days 6.666667% 0.701754% 1.052632% 0.000000% 8.421053% 5.210071% 0.493868% 0.629166% 0.000000% 6.333106% 60 Days 3.859649% 0.000000% 0.350877% 0.000000% 4.210526% 2.975477% 0.000000% 0.229947% 0.000000% 3.205424% 90 Days 1.754386% 0.701754% 1.052632% 0.000000% 3.508772% 1.802108% 0.738630% 0.736262% 0.000000% 3.277000% 120 Days 0.701754% 0.701754% 1.052632% 0.000000% 2.456140% 2.063677% 0.520846% 0.811394% 0.000000% 3.395917% 150 Days 0.000000% 0.350877% 0.701754% 0.000000% 1.052632% 0.000000% 0.258443% 0.994454% 0.000000% 1.252897% 180 Days 2.807018% 1.403509% 2.105263% 1.403509% 7.719298% 2.951332% 0.746212% 1.025004% 0.658319% 5.380867% Totals 15.789474% 6.666667% 7.368421% 1.403509% 31.228070% 15.002666% 6.931280% 5.611614% 0.658319% 28.203879% DELINQUENT BANKRUPTCY FORECLOSURE REO Total <caption> <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 3 0 0 3 485,545.20 0.00 0.00 485,545.20 30 Days 5 0 1 0 6 460,014.85 0.00 102,743.87 0.00 562,758.72 60 Days 6 0 1 0 7 1,189,729.01 0.00 111,477.75 0.00 1,301,206.76 90 Days 1 1 2 0 4 37,423.65 195,136.22 209,301.31 0.00 441,861.18 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 2 0 2 0.00 0.00 204,177.81 0.00 204,177.81 180 Days 0 3 6 1 10 0.00 521,122.78 2,381,866.28 94,754.88 2,997,743.94 Totals 12 7 12 1 32 1,687,167.51 1,201,804.20 3,009,567.02 94,754.88 5,993,293.61 0-29 Days 0.681818% 0.000000% 0.000000% 0.681818% 0.523355% 0.000000% 0.000000% 0.523355% 30 Days 1.136364% 0.000000% 0.227273% 0.000000% 1.363636% 0.495836% 0.000000% 0.110745% 0.000000% 0.606581% 60 Days 1.363636% 0.000000% 0.227273% 0.000000% 1.590909% 1.282373% 0.000000% 0.120159% 0.000000% 1.402532% 90 Days 0.227273% 0.227273% 0.454545% 0.000000% 0.909091% 0.040338% 0.210331% 0.225600% 0.000000% 0.476269% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.454545% 0.000000% 0.454545% 0.000000% 0.000000% 0.220077% 0.000000% 0.220077% 180 Days 0.000000% 0.681818% 1.363636% 0.227273% 2.272727% 0.000000% 0.561703% 2.567342% 0.102133% 3.231178% Totals 2.727273% 1.590909% 2.727273% 0.227273% 7.272727% 1.818547% 1.295389% 3.243922% 0.102133% 6.459991% DELINQUENT BANKRUPTCY FORECLOSURE REO Total <caption> <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 4 0 0 4 417,845.14 0.00 0.00 417,845.14 30 Days 6 0 0 0 6 561,201.30 0.00 0.00 0.00 561,201.30 60 Days 4 0 1 0 5 441,171.01 0.00 68,585.63 0.00 509,756.64 90 Days 1 0 1 0 2 259,236.67 0.00 41,578.45 0.00 300,815.12 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 1 0 3 0 4 36,415.27 0.00 373,155.50 0.00 409,570.77 180 Days 0 1 5 0 6 0.00 106,842.94 483,017.29 0.00 589,860.23 Totals 12 5 10 0 27 1,298,024.25 524,688.08 966,336.87 0.00 2,789,049.20 0-29 Days 1.826484% 0.000000% 0.000000% 1.826484% 1.545662% 0.000000% 0.000000% 1.545662% 30 Days 2.739726% 0.000000% 0.000000% 0.000000% 2.739726% 2.075955% 0.000000% 0.000000% 0.000000% 2.075955% 60 Days 1.826484% 0.000000% 0.456621% 0.000000% 2.283105% 1.631948% 0.000000% 0.253707% 0.000000% 1.885655% 90 Days 0.456621% 0.000000% 0.456621% 0.000000% 0.913242% 0.958949% 0.000000% 0.153804% 0.000000% 1.112753% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.456621% 0.000000% 1.369863% 0.000000% 1.826484% 0.134705% 0.000000% 1.380350% 0.000000% 1.515054% 180 Days 0.000000% 0.456621% 2.283105% 0.000000% 2.739726% 0.000000% 0.395226% 1.786742% 0.000000% 2.181968% Totals 5.479452% 2.283105% 4.566210% 0.000000% 12.328767% 4.801557% 1.940888% 3.574603% 0.000000% 10.317047% OTHER INFORMATION <s> <c> Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 118,686.76 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% 127,742,558.56 78.99126117% 21.008738% 0.000000% Class 2A 60,676,467.00 29.19101676% 54,010,263.11 33.39794386% 45.593317% 229.182937% Class 3A 32,530,367.00 15.65012822% 32,171,808.39 19.89385329% 13.504091% 67.880719% Class B-1 24,631,667.00 11.85011982% 24,360,146.01 15.06341095% 4.830442% 24.281080% Class B-2 18,083,967.00 8.70006792% 17,884,596.65 11.05917136% 4.004240% 20.128024% Class B-3 12,887,567.00 6.20011683% 12,745,457.00 7.88131797% 3.177853% 15.974047% Class B-4 9,042,167.00 4.35012224% 8,942,430.36 5.52966733% 2.351651% 11.820991% Class B-5 6,443,867.00 3.10009859% 6,372,761.63 3.94067947% 1.588988% 7.987331% Class B-6 100.00 0.00004811% 0.00 0.00000000% 3.940679% 19.808528% 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 5.645767% Weighted Average Net Coupon 5.297138% Weighted Average Pass-Through Rate 5.287138% Weighted Average Maturity(Stepdown Calculation ) 323 Beginning Scheduled Collateral Loan Count 975 Number Of Loans Paid In Full 31 Ending Scheduled Collateral Loan Count 944 Beginning Scheduled Collateral Balance 169,246,874.20 Ending Scheduled Collateral Balance 161,717,330.07 Ending Actual Collateral Balance at 31-May-2004 162,033,462.09 Monthly P &I Constant 1,040,575.26 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 8,087,165.00 Ending Scheduled Balance for Premium Loans 161,717,330.07 Scheduled Principal 244,301.64 Unscheduled Principal 7,285,242.56 Miscellaneous Reporting Senior Percentage 80.963893% Senior Percentage Group 1 81.459089% Senior Percentage Group 2 80.600942% Senior Percentage Group 3 81.459404% Senior Prepay Percentage Group 1 100.000000% Senior Prepay Percentage Group 2 100.000000% Senior Prepay Percentage Group 3 100.000000% Subordinate Percentage 19.036107% Subordinate Percentage Group 1 18.540911% Subordinate Percentage Group 2 19.399058% Subordinate Percentage Group 3 18.540596% 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 6.463832 5.392837 5.239535 Weighted Average Net Rate 6.075807 5.095278 4.773069 Weighted Average Maturity 321 343 251 Beginning Loan Count 296 454 225 Loans Paid In Full 11 14 6 Ending Loan Count 285 440 219 Beginning Scheduled Balance 43,927,083.68 97,674,600.14 27,645,190.38 Ending scheduled Balance 42,107,523.62 92,659,641.47 26,950,164.98 Record Date 05/31/2004 05/31/2004 05/31/2004 Principal And Interest Constant 299,870.18 545,175.06 195,530.02 Scheduled Principal 63,255.83 106,222.40 74,823.41 Unscheduled Principal 1,756,304.30 4,908,736.27 620,201.99 Scheduled Interest 236,614.42 438,952.66 120,706.61 Servicing Fees 14,204.03 24,219.99 10,746.28 Master Servicing Fees 366.05 813.95 230.39 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 222,044.34 413,918.72 109,729.94 Realized Loss Amount 0.00 0.00 0.00 Cumulative Realized Loss 0.00 0.00 0.00 Percentage of Cumulative Losses 0.0000 0.0000 0.0000 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 6.065807 5.085278 4.763068 Group Level Collateral Statement Group Total Collateral Description Mixed ARM Weighted Average Coupon Rate 5.645767 Weighted Average Net Rate 5.297138 Weighted Average Maturity 323 Beginning Loan Count 975 Loans Paid In Full 31 Ending Loan Count 944 Beginning Scheduled Balance 169,246,874.20 Ending scheduled Balance 161,717,330.07 Record Date 05/31/2004 Principal And Interest Constant 1,040,575.26 Scheduled Principal 244,301.64 Unscheduled Principal 7,285,242.56 Scheduled Interest 796,273.69 Servicing Fees 49,170.30 Master Servicing Fees 1,410.39 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 745,693.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Percentage of Cumulative Losses 0.0000 Prepayment Penalties 0.00 Special Servicing Fee 0.00 Pass-Through Rate 5.287138