8-K 1 bsl04006_sep.txt SEPTEMBER 8K 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): September 27, 2004 BEAR STEARNS ALT-A TRUST Mortgage Pass-Through Certificates, Series 2004-6 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-115122-06 54-2155120 Pooling and Servicing Agreement) (Commission 54-2155121 (State or other File Number) 54-2155122 jurisdiction 54-2155123 of Incorporation) IRS EIN 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 September 27, 2004 a distribution was made to holders of BEAR STEARNS ALT-A TRUST, Mortgage Pass-Through Certificates, Series 2004-6 Trust. ITEM 9.01 Financial Statements and Exhibits (c) Exhibits Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2004-6 Trust, relating to the September 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. BEAR STEARNS ALT-A TRUST Mortgage Pass-Through Certificates, Series 2004-6 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: 9/29/2004 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2004-6 Trust, relating to the September 27, 2004 distribution. EX-99.1

Bear Stearns ALT-A Trust Mortgage Pass-Through Certificates Record Date: 78/31/042004 Distribution Date: 89/2527/042004 BSL Series: 2004-6 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 I-A 07386HJU6 SEN 1.~~77000~~93500% ~~376~~371,~~516~~198,~~699~~018.2289 ~~555~~658,~~362~~412.1349 56,~~318~~324,~~680~~932.3312 II-A-1 07386HJV4 SEN 1.~~72000~~88500% 1817,~~043~~727,~~581~~945.5702 2530,~~862~~632.4741 ~~315~~955,~~636~~115.5412 II-A-2 07386HKA8 SEN 1.~~70000~~86500% 2827,~~233~~602,~~838~~500.0063 3947,~~997~~188.9478 ~~631~~1,~~337~~910,424.3775 II-A-3 07386HKB6 SEN 12.~~95000~~11500% 7,857,000.00 1215,~~767~~232.6376 0.00 III-A 07386HJW2 SEN 1.~~76000~~92500% ~~364~~359,~~965~~082,~~726~~879.4690 ~~535~~633,~~283~~631.0767 54,~~882~~405,~~846~~980.5627 M-1 07386HJX0 SUB 2.~~00000~~16500% 18,932,000.00 3137,~~553~~572.3313 0.00 M-2 07386HJY8 SUB 2.~~60000~~76500% 15,491,000.00 3339,~~563~~263.8323 0.00 B-1 07386HJZ5 SUB 3.~~35000~~51500% 6,884,000.00 1922,~~217~~180.8382 0.00 B-2 07386HKH3 SUB 3.~~35000~~51500% 6,884,000.00 1922,~~217~~180.8382 0.00 B-IO 07386HKG5 SEN 0.00000% 3,011,963.34 2,~~415~~120,~~624~~226.0837 0.00 XP 07386HKF7 SEN 0.00000% 100.00 1719,~~632~~377.8570 0.00 R-I 07386HKC4 RES 0.00000% 0.00 0.00 0.00 R-II 07386HKD2 RES 0.00000% 0.00 0.00 0.00 R-III 07386HKE0 RES 0.00000% 0.00 0.00 0.00 Totals ~~846~~834,~~819~~671,~~908~~407.5978 3,~~706~~645,~~082~~899.9918 1213,~~148~~596,~~500~~452.8026

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses I-A 0.00 ~~371~~364,~~198~~873,~~018~~086.8977 56,~~874~~983,~~042~~344.4661 0.00 II-A-1 0.00 1716,~~727~~772,~~945~~829.0291 ~~341~~985,~~499~~747.0153 0.00 II-A-2 0.00 2725,~~602~~692,~~500~~075.6387 ~~671~~1,~~335~~957,613.3153 0.00 II-A-3 0.00 7,857,000.00 1215,~~767~~232.6376 0.00 III-A 0.00 ~~359~~354,~~082~~676,~~879~~899.9063 65,~~418~~039,~~129~~611.6394 0.00 M-1 0.00 18,932,000.00 3137,~~553~~572.3313 0.00 M-2 0.00 15,491,000.00 3339,~~563~~263.8323 0.00 B-1 0.00 6,884,000.00 1922,~~217~~180.8382 0.00 B-2 0.00 6,884,000.00 1922,~~217~~180.8382 0.00 B-IO 0.00 3,011,963.34 2,~~415~~120,~~624~~226.0837 0.00 XP 0.00 100.00 1719,~~632~~377.8570 0.00 R-I 0.00 0.00 0.00 0.00 R-II 0.00 0.00 0.00 0.00 R-III 0.00 0.00 0.00 0.00 Totals 0.00 ~~834~~821,~~671~~074,~~407~~955.7852 1517,~~854~~242,~~583~~351.7944 0.00 All distributions required by the Pooling and Servicing Agreement have been calculated by the Certificate Administrator on behalf of the Trustee.

Principal Distribution Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Realized Class Amount Balance Distribution Distribution Accretion Loss (1) I-A 380,660,000.00 ~~376~~371,~~516~~198,~~699~~018.2289 0.00 56,~~318~~324,~~680~~932.3312 0.00 0.00 II-A-1 19,640,000.00 1817,~~043~~727,~~581~~945.5702 0.00 ~~315~~955,~~636~~115.5412 0.00 0.00 II-A-2 31,427,000.00 2827,~~233~~602,~~838~~500.0063 0.00 ~~631~~1,~~337~~910,424.3775 0.00 0.00 II-A-3 7,857,000.00 7,857,000.00 0.00 0.00 0.00 0.00 III-A 369,773,000.00 ~~364~~359,~~965~~082,~~726~~879.4690 0.00 54,~~882~~405,~~846~~980.5627 0.00 0.00 M-1 18,932,000.00 18,932,000.00 0.00 0.00 0.00 0.00 M-2 15,491,000.00 15,491,000.00 0.00 0.00 0.00 0.00 B-1 6,884,000.00 6,884,000.00 0.00 0.00 0.00 0.00 B-2 6,884,000.00 6,884,000.00 0.00 0.00 0.00 0.00 B-IO 3,012,953.73 3,011,963.34 0.00 0.00 0.00 0.00 XP 100.00 100.00 0.00 0.00 0.00 0.00 R-I 0.00 0.00 0.00 0.00 0.00 0.00 R-II 0.00 0.00 0.00 0.00 0.00 0.00 R-III 0.00 0.00 0.00 0.00 0.00 0.00 Totals 860,561,053.73 ~~846~~834,~~819~~671,~~908~~407.5978 0.00 1213,~~148~~596,~~500~~452.8026 0.00 0.00 (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.

Principal Distribution Statement (continued) Total Ending Ending Total Principal Certificate Certificate Principal Class Reduction Balance Percentage Distribution I-A 56,~~318~~324,~~680~~932.3312 ~~371~~364,~~198~~873,~~018~~086.8977 0.~~97514322~~95852752 56,~~318~~324,~~680~~932.3312 II-A-1 ~~315~~955,~~636~~115.5412 1716,~~727~~772,~~945~~829.0291 0.~~90264486~~85401374 ~~315~~955,~~636~~115.5412 II-A-2 ~~631~~1,~~337~~910,424.3775 2725,~~602~~692,~~500~~075.6387 0.~~87830530~~81751602 ~~631~~1,~~337~~910,424.3775 II-A-3 0.00 7,857,000.00 1.00000000 0.00 III-A 54,~~882~~405,~~846~~980.5627 ~~359~~354,~~082~~676,~~879~~899.9063 0.~~97109005~~95917468 54,~~882~~405,~~846~~980.5627 M-1 0.00 18,932,000.00 1.00000000 0.00 M-2 0.00 15,491,000.00 1.00000000 0.00 B-1 0.00 6,884,000.00 1.00000000 0.00 B-2 0.00 6,884,000.00 1.00000000 0.00 B-IO 0.00 3,011,963.34 0.99967129 0.00 XP 0.00 100.00 1.00000000 0.00 R-I 0.00 0.00 0.00000000 0.00 R-II 0.00 0.00 0.00000000 0.00 R-III 0.00 0.00 0.00000000 0.00 Totals 1213,~~148~~596,~~500~~452.8026 ~~834~~821,~~671~~074,~~407~~955.7852 0.~~96991539~~95411587 1213,~~148~~596,~~500~~452.8026

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion I-A 380,660,000.00 ~~989~~975.~~11548158~~14322201 0.00000000 1316.~~97225958~~61569936 0.00000000 II-A-1 19,640,000.00 ~~918~~902.~~71596589~~64485845 0.00000000 1648.~~07110692~~63111609 0.00000000 II-A-2 31,427,000.00 ~~898~~878.~~39431062~~30529895 0.00000000 2060.~~08901168~~78928151 0.00000000 II-A-3 7,857,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 III-A 369,773,000.00 ~~986~~971.~~99939276~~09004687 0.00000000 1511.~~90934590~~91536502 0.00000000 M-1 18,932,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M-2 15,491,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 B-1 6,884,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 B-2 6,884,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 B-IO 3,012,953.73 999.67128934 0.00000000 0.00000000 0.00000000 XP 100.00 1000.00000000 0.00000000 0.00000000 0.00000000 R-I 0.00 0.00000000 0.00000000 0.00000000 0.00000000 R-II 0.00 0.00000000 0.00000000 0.00000000 0.00000000 R-III 0.00 0.00000000 0.00000000 0.00000000 0.00000000

Principal Distribution Factors Statement (continued) Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution I-A 0.00000000 1316.~~97225958~~61569936 ~~975~~958.~~14322201~~52752264 0.~~97514322~~95852752 1316.~~97225958~~61569936 II-A-1 0.00000000 1648.~~07110692~~63111609 ~~902~~854.~~64485845~~01374287 0.~~90264486~~85401374 1648.~~07110692~~63111609 II-A-2 0.00000000 2060.~~08901168~~78928151 ~~878~~817.~~30529895~~51601712 0.~~87830530~~81751602 2060.~~08901168~~78928151 II-A-3 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 III-A 0.00000000 1511.~~90934590~~91536502 ~~971~~959.~~09004687~~17468185 0.~~97109005~~95917468 1511.~~90934590~~91536502 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 B-1 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 B-2 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 B-IO 0.00000000 0.00000000 999.67128934 0.99967129 0.00000000 XP 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 R-I 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R-II 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R-III 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (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.

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 I-A 380,660,000.00 1.~~77000~~93500% ~~376~~371,~~516~~198,~~699~~018.2289 ~~555~~658,~~362~~412.1349 0.00 0.00 II-A-1 19,640,000.00 1.~~72000~~88500% 1817,~~043~~727,~~581~~945.5702 2530,~~862~~632.4741 0.00 0.00 II-A-2 31,427,000.00 1.~~70000~~86500% 2827,~~233~~602,~~838~~500.0063 3947,~~997~~188.9478 0.00 0.00 II-A-3 7,857,000.00 12.~~95000~~11500% 7,857,000.00 1215,~~767~~232.6376 0.00 0.00 III-A 369,773,000.00 1.~~76000~~92500% ~~364~~359,~~965~~082,~~726~~879.4690 ~~535~~633,~~283~~631.0767 0.00 0.00 M-1 18,932,000.00 2.~~00000~~16500% 18,932,000.00 3137,~~553~~572.3313 0.00 0.00 M-2 15,491,000.00 2.~~60000~~76500% 15,491,000.00 3339,~~563~~263.8323 0.00 0.00 B-1 6,884,000.00 3.~~35000~~51500% 6,884,000.00 1922,~~217~~180.8382 0.00 0.00 B-2 6,884,000.00 3.~~35000~~51500% 6,884,000.00 1922,~~217~~180.8382 0.00 0.00 B-IO 3,012,953.73 0.00000% ~~846~~834,~~819~~671,~~808~~307.5878 0.00 0.00 0.00 XP 100.00 0.00000% 100.00 0.00 0.00 0.00 R-I 0.00 0.00000% 0.00 0.00 0.00 0.00 R-II 0.00 0.00000% 0.00 0.00 0.00 0.00 R-III 0.00 0.00000% 0.00 0.00 0.00 0.00 Totals 860,561,053.73 1,~~272~~506,~~826~~295.0611 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 I-A 0.00 0.00 ~~555~~658,~~362~~412.1349 0.00 ~~371~~364,~~198~~873,~~018~~086.8977 II-A-1 0.00 0.00 2530,~~862~~632.4741 0.00 1716,~~727~~772,~~945~~829.0291 II-A-2 0.00 0.00 3947,~~997~~188.9478 0.00 2725,~~602~~692,~~500~~075.6387 II-A-3 0.00 0.00 1215,~~767~~232.6376 0.00 7,857,000.00 III-A 0.00 0.00 ~~535~~633,~~283~~631.0767 0.00 ~~359~~354,~~082~~676,~~879~~899.9063 M-1 0.00 0.00 3137,~~553~~572.3313 0.00 18,932,000.00 M-2 0.00 0.00 3339,~~563~~263.8323 0.00 15,491,000.00 B-1 0.00 0.00 1922,~~217~~180.8382 0.00 6,884,000.00 B-2 0.00 0.00 1922,~~217~~180.8382 0.00 6,884,000.00 B-IO 0.00 0.00 2,~~415~~120,~~624~~226.0837 0.00 ~~834~~821,~~671~~074,~~307~~855.7852 XP 0.00 0.00 1719,~~632~~377.8570 0.00 100.00 R-I 0.00 0.00 0.00 0.00 0.00 R-II 0.00 0.00 0.00 0.00 0.00 R-III 0.00 0.00 0.00 0.00 0.00 Totals 0.00 0.00 3,~~706~~645,~~082~~899.9918 0.00 (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.

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 I-A 380,660,000.00 1.~~77000~~93500% ~~989~~975.~~11548158~~14322201 1.~~45894533~~72966030 0.00000000 0.00000000 II-A-1 19,640,000.00 1.~~72000~~88500% ~~918~~902.~~71596589~~64485845 1.~~31682637~~55969501 0.00000000 0.00000000 II-A-2 31,427,000.00 1.~~70000~~86500% ~~898~~878.~~39431062~~30529895 1.~~27272536~~50153626 0.00000000 0.00000000 II-A-3 7,857,000.00 12.~~95000~~11500% 1000.00000000 1.~~62500064~~93875016 0.00000000 0.00000000 III-A 369,773,000.00 1.~~76000~~92500% ~~986~~971.~~99939276~~09004687 1.~~44759912~~71356932 0.00000000 0.00000000 M-1 18,932,000.00 2.~~00000~~16500% 1000.00000000 1.~~66666649~~98458325 0.00000000 0.00000000 M-2 15,491,000.00 2.~~60000~~76500% 1000.00000000 2.~~16666645~~53458331 0.00000000 0.00000000 B-1 6,884,000.00 3.~~35000~~51500% 1000.00000000 23.~~79166618~~22208309 0.00000000 0.00000000 B-2 6,884,000.00 3.~~35000~~51500% 1000.00000000 23.~~79166618~~22208309 0.00000000 0.00000000 B-IO 3,012,953.73 0.00000% ~~281059~~277027.~~67912756~~58906291 0.00000000 0.00000000 0.00000000 XP 100.00 0.00000% 1000.00000000 0.00000000 0.00000000 0.00000000 R-I 0.00 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 R-II 0.00 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 R-III 0.00 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 (5) Per $1 denomination.

Interest Distribution Factors Statement (continued) Remaining Ending Non-Supported Total Unpaid Certificate/ Interest Realized Interest Interest Notional Class Shortfall Losses (6) Distribution Shortfall Balance I-A 0.00000000 0.00000000 1.~~45894533~~72966030 0.00000000 ~~975~~958.~~14322201~~52752264 II-A-1 0.00000000 0.00000000 1.~~31682637~~55969501 0.00000000 ~~902~~854.~~64485845~~01374287 II-A-2 0.00000000 0.00000000 1.~~27272536~~50153626 0.00000000 ~~878~~817.~~30529895~~51601712 II-A-3 0.00000000 0.00000000 1.~~62500064~~93875016 0.00000000 1000.00000000 III-A 0.00000000 0.00000000 1.~~44759912~~71356932 0.00000000 ~~971~~959.~~09004687~~17468185 M-1 0.00000000 0.00000000 1.~~66666649~~98458325 0.00000000 1000.00000000 M-2 0.00000000 0.00000000 2.~~16666645~~53458331 0.00000000 1000.00000000 B-1 0.00000000 0.00000000 23.~~79166618~~22208309 0.00000000 1000.00000000 B-2 0.00000000 0.00000000 23.~~79166618~~22208309 0.00000000 1000.00000000 B-IO 0.00000000 0.00000000 ~~801~~703.~~74615891~~70359455 0.00000000 ~~277027~~272514.~~58906291~~92359294 XP 0.00000000 0.00000000 ~~176328~~193777.~~50000000~~00000000 0.00000000 1000.00000000 R-I 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R-II 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R-III 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (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.

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal 1617,~~088~~493,~~312~~013.2953 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) ~~121~~110,~~226~~198.6763 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 1617,~~209~~603,~~538~~212.9616 Withdrawals Reimbursement for Servicer Advances ~~111~~121,~~984~~226.1667 Payment of Service Fee ~~242~~239,~~971~~634.0105 Payment of Interest and Principal 1517,~~854~~242,~~583~~351.7944 Total Withdrawals (Pool Distribution Amount) 1617,~~209~~603,~~538~~212.9616 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee ~~242~~239,~~839~~502.3171 External Master Servicing Fee 85.8857 Miscellaneous Fee 45.8277 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee ~~242~~239,~~971~~634.0105

LOAN STATUS STRATIFICATION/CREDIT ENHANCEMENT STATEMENT DELINQUENCY STATUS DELINQUENT BANKRUPTCY FORECLOSURE REO Total 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 23 0 0 23 ~~226~~307,~~378~~947.6252 0.00 0.00 ~~226~~307,~~378~~947.6252 30 Days 8265 20 0 0 8465 1814,~~909~~945,~~822~~667.76 ~~390,065~~0.2100 0.00 0.00 1914,~~299~~945,~~887~~667.9776 60 Days 1511 0 0 0 1511 43,~~474~~229,~~654~~135.7061 0.00 0.00 0.00 43,~~474~~229,~~654~~135.7061 90 Days 310 0 0 0 310 ~~589~~3,~~514~~327,202.1467 0.00 0.00 0.00 ~~589~~3,~~514~~327,202.1467 120 Days 03 0 01 0 04 0582,206.0012 0.00 0377,614.0015 0.00 0959,820.0027 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180+ Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals ~~100~~89 43 01 0 ~~104~~93 2322,~~973~~084,~~991~~212.6016 ~~616~~307,~~443~~947.8352 0377,614.0015 0.00 2422,~~590~~769,~~435~~773.4383 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 0.~~055279~~084081% 0.000000% 0.000000% 0.~~055279~~084081% 0.~~027115~~037496% 0.000000% 0.000000% 0.~~027115~~037496% 30 Days 21.~~266446~~821749% 0.~~055279~~000000% 0.000000% 0.000000% 21.~~321725~~821749% 21.~~264980~~819798% 0.~~046721~~000000% 0.000000% 0.000000% 21.~~311701~~819798% 60 Days 0.~~414594~~308296% 0.000000% 0.000000% 0.000000% 0.~~414594~~308296% 0.~~535965~~393183% 0.000000% 0.000000% 0.000000% 0.~~535965~~393183% 90 Days 0.~~082919~~280269% 0.000000% 0.000000% 0.000000% 0.~~082919~~280269% 0.~~070611~~405123% 0.000000% 0.000000% 0.000000% 0.~~070611~~405123% 120 Days 0.~~000000~~084081% 0.000000% 0.~~000000~~028027% 0.000000% 0.~~000000~~112108% 0.~~000000~~070890% 0.000000% 0.~~000000~~045979% 0.000000% 0.~~000000~~116869% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180+ Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 2.~~763958~~494395% 0.~~110558~~084081% 0.~~000000~~028027% 0.000000% 2.~~874516~~606502% 2.~~871555~~688994% 0.~~073836~~037496% 0.~~000000~~045979% 0.000000% 2.~~945392~~772469%

Delinquency Status By Groups DELINQUENT BANKRUPTCY FORECLOSURE REO Total 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 01 0 0 01 0124,000.00 0.00 0.00 0124,000.00 30 Days 2723 0 0 0 2723 76,~~125~~633,~~812~~654.2726 0.00 0.00 0.00 76,~~125~~633,~~812~~654.2726 60 Days 42 0 0 0 4 2 1,~~772~~121,~~228~~299.4752 0.00 0.00 0.00 21,~~772~~121,~~228~~299.4752 90 Days 03 0 0 0 03 02,415,228.0047 0.00 0.00 0.00 02,415,228.0047 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 3128 01 0 0 3129 910,~~898~~170,~~040~~182.7425 0124,000.00 0.00 0.00 910,~~898~~294,~~040~~182.7425 0-29 Days 0.~~000000~~077882% 0.000000% 0.000000% 0.~~000000~~077882% 0.~~000000~~031875% 0.000000% 0.000000% 0.~~000000~~031875% 30 Days 21.~~076923~~791277% 0.000000% 0.000000% 0.000000% 21.~~076923~~791277% 1.~~802414~~705205% 0.000000% 0.000000% 0.000000% 1.~~802414~~705205% 60 Days 0.~~307692~~155763% 0.000000% 0.000000% 0.000000% 0.~~307692~~155763% 0.~~701212~~288234% 0.000000% 0.000000% 0.000000% 0.~~701212~~288234% 90 Days 0.~~000000~~233645% 0.000000% 0.000000% 0.000000% 0.~~000000~~233645% 0.~~000000~~620843% 0.000000% 0.000000% 0.000000% 0.~~000000~~620843% 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% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 2.~~384615~~180685% 0.~~000000~~077882% 0.000000% 0.000000% 2.~~384615~~258567% 2.~~503625~~614282% 0.~~000000~~031875% 0.000000% 0.000000% 2.~~503625~~646156% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 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 2 0 0 2 ~~226~~183,~~378~~947.6252 0.00 0.00 ~~226~~183,~~378~~947.6252 30 Days 145 20 0 0 165 41,~~226~~303,~~744~~021.8806 ~~390,065~~0.2100 0.00 0.00 41,~~616~~303,~~810~~021.0906 60 Days 12 0 0 0 12 60681,~~161~~591.2058 0.00 0.00 0.00 60681,~~161~~591.2058 90 Days 1 0 0 0 1 ~~377~~60,~~614~~161.1522 0.00 0.00 0.00 ~~377~~60,~~614~~161.1522 120 Days 01 0 01 0 02 0370,306.0013 0.00 0377,614.0015 0.00 0747,920.0028 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 169 42 01 0 2012 42,~~664~~415,~~520~~079.2399 ~~616~~183,~~443~~947.8352 0377,614.0015 0.00 52,~~280~~976,~~964~~641.0666 0-29 Days 1.~~129944~~190476% 0.000000% 0.000000% 1.~~129944~~190476% 0.~~397334~~339960% 0.000000% 0.000000% 0.~~397334~~339960% 30 Days 72.~~909605~~976190% 10.~~129944~~000000% 0.000000% 0.000000% 92.~~039548~~976190% 72.~~418684~~408161% 0.~~684633~~000000% 0.000000% 0.000000% 82.~~103317~~408161% 60 Days 01.~~564972~~190476% 0.000000% 0.000000% 0.000000% 01.~~564972~~190476% 01.~~105594~~259675% 0.000000% 0.000000% 0.000000% 01.~~105594~~259675% 90 Days 0.~~564972~~595238% 0.000000% 0.000000% 0.000000% 0.~~564972~~595238% 0.~~662780~~111186% 0.000000% 0.000000% 0.000000% 0.~~662780~~111186% 120 Days 0.~~000000~~595238% 0.000000% 0.~~000000~~595238% 0.000000% 01.~~000000~~190476% 0.~~000000~~684376% 0.000000% 0.~~000000~~697883% 0.000000% 01.~~000000~~382259% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 95.~~039548~~357143% 21.~~259887~~190476% 0.~~000000~~595238% 0.000000% 117.~~299435~~142857% 84.~~187057~~463398% 10.~~081968~~339960% 0.~~000000~~697883% 0.000000% 95.~~269024~~501241% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 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 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 4137 0 0 0 4137 7,~~557~~008,~~265~~992.6144 0.00 0.00 0.00 7,~~557~~008,~~265~~992.6144 60 Days 107 0 0 0 107 1,~~642~~426,~~265~~244.0351 0.00 0.00 0.00 1,~~642~~426,~~265~~244.0351 90 Days 26 0 0 0 26 ~~211~~851,~~899~~812.9998 0.00 0.00 0.00 ~~211~~851,~~899~~812.9998 120 Days 02 0 0 0 02 0211,899.0099 0.00 0.00 0.00 0211,899.0099 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 5352 0 0 0 5352 9,~~411~~498,~~430~~949.6392 0.00 0.00 0.00 9,~~411~~498,~~430~~949.6392 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 1.~~914993~~748582% 0.000000% 0.000000% 0.000000% 1.~~914993~~748582% 1.~~975469~~853500% 0.000000% 0.000000% 0.000000% 1.~~975469~~853500% 60 Days 0.~~467071~~330813% 0.000000% 0.000000% 0.000000% 0.~~467071~~330813% 0.~~429288~~377165% 0.000000% 0.000000% 0.000000% 0.~~429288~~377165% 90 Days 0.~~093414~~283554% 0.000000% 0.000000% 0.000000% 0.~~093414~~283554% 0.~~055391~~225259% 0.000000% 0.000000% 0.000000% 0.~~055391~~225259% 120 Days 0.~~000000~~094518% 0.000000% 0.000000% 0.000000% 0.~~000000~~094518% 0.~~000000~~056036% 0.000000% 0.000000% 0.000000% 0.~~000000~~056036% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 2.~~475479~~457467% 0.000000% 0.000000% 0.000000% 2.~~475479~~457467% 2.~~460147~~511960% 0.000000% 0.000000% 0.000000% 2.~~460147~~511960%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance ~~121~~110,~~226~~198.6763

COLLATERAL STATEMENT Collateral Description Mixed ARM Weighted Average Gross Coupon 5.~~572267~~558911% Weighted Average Net Coupon 5.~~228147~~214580% Weighted Average Pass-Through Rate 5.~~227961~~214391% Weighted Average Maturity(Stepdown Calculation ) ~~352~~351 Beginning Scheduled Collateral Loan Count 3,~~666~~618 Number Of Loans Paid In Full 4850 Ending Scheduled Collateral Loan Count 3,~~618~~568 Beginning Scheduled Collateral Balance ~~846~~834,~~819~~671,~~808~~307.5878 Ending Scheduled Collateral Balance ~~834~~821,~~671~~074,~~307~~855.7852 Ending Actual Collateral Balance at 31-~~Jul~~Aug-2004 ~~834~~821,~~878~~281,~~263~~494.0536 Monthly P &I Constant 4,~~193~~123,~~420~~972.2032 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Scheduled Principal ~~261~~257,~~165~~419.2336 Unscheduled Principal 1113,~~887~~339,~~335~~032.5790 Required Overcollateralization Amount 0.00 Overcollateralized Increase Amount 0.00 Overcollateralized reduction Amount 0.00 Specified O/C Amount 3,011,963.34 Overcollateralized Amount 3,011,963.34 Overcollateralized Deficiency Amount 0.00 Base Overcollateralized Amount 0.00 Extra principal distribution Amount 0.00 Excess Cash Amount 2,~~415~~120,~~624~~226.0837

Group Level Collateral Statement Group Group 1 Group 2 Group 3 Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 5.~~499705~~498991 6.~~351713~~206200 5.~~530985~~524515 Weighted Average Net Rate 5.~~151476~~150281 65.~~034989~~889108 5.~~187022~~180657 Weighted Average Maturity ~~356~~355 ~~308~~307 ~~358~~357 Beginning Loan Count 1,~~313~~300 ~~180~~177 2,~~173~~141 Loans Paid In Full 1316 39 3225 Ending Loan Count 1,~~300~~284 ~~177~~168 2,~~141~~116 Beginning Scheduled Balance ~~400~~395,~~598~~280,~~713~~032.3097 5756,~~862~~915,~~293~~320.9302 ~~388~~382,~~358~~475,~~801~~954.3579 Ending scheduled Balance ~~395~~388,~~280~~955,~~032~~100.9785 5654,~~915~~049,~~320~~780.0215 ~~382~~378,~~475~~069,~~954~~974.7952 Record Date 0708/31/2004 0708/31/2004 0708/31/2004 Principal And Interest Constant 1,~~925~~900,~~877~~220.0958 ~~371~~357,~~107~~284.2111 1,~~896~~866,~~435~~467.9063 Scheduled Principal 8988,~~898~~852.2576 6462,~~836~~927.6457 ~~106~~105,~~430~~639.3403 Unscheduled Principal 56,~~228~~236,~~782~~079.0836 ~~882~~2,~~137~~802,612.2730 54,~~776~~300,~~416~~341.2224 Scheduled Interest 1,~~835~~811,~~978~~367.8482 ~~306~~294,~~270~~356.5754 1,~~790~~760,~~005~~828.5660 Servicing Fees ~~116~~114,~~249~~865.8514 15,~~271~~039.9650 ~~111~~109,~~317~~598.5007 Master Servicing Fees 0.00 0.00 0.00 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 0.00 131.7034 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 1,~~719~~696,~~728~~502.9968 ~~290~~279,~~866~~185.9170 1,~~678~~651,~~688~~230.0653 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 5.~~151476~~150281 65.~~032258~~886339 5.~~187022~~180657

Group Level Collateral Statement Group Total Collateral Description Mixed ARM Weighted Average Coupon Rate 5.~~572267~~558911 Weighted Average Net Rate 5.~~228147~~214580 Weighted Average Maturity ~~352~~351 Beginning Loan Count 3,~~666~~618 Loans Paid In Full 4850 Ending Loan Count 3,~~618~~568 Beginning Scheduled Balance ~~846~~834,~~819~~671,~~808~~307.5878 Ending scheduled Balance ~~834~~821,~~671~~074,~~307~~855.7852 Record Date 0708/31/2004 Principal And Interest Constant 4,~~193~~123,~~420~~972.2032 Scheduled Principal ~~261~~257,~~165~~419.2336 Unscheduled Principal 1113,~~887~~339,~~335~~032.5790 Scheduled Interest 3,~~932~~866,~~254~~552.9796 Servicing Fees ~~242~~239,~~839~~502.3171 Master Servicing Fees 0.00 Trustee Fee 0.00 FRY Amount 0.00 Special Hazard Fee 0.00 Other Fee 131.7034 Pool Insurance Fee 0.00 Spread Fee 1 0.00 Spread Fee 2 0.00 Spread Fee 3 0.00 Net Interest 3,~~689~~626,~~283~~918.9691 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.~~227961~~214391

Filing Compare · STRUCTURED ASSET MORT INV II INC BEAR STEARNS ALT A TR 04 6