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): May 25, 2004 BANC OF AMERICA MORTGAGE SECURITIES, INC. Mortgage Pass-Through Certificates, Series 2004-B Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-105940-24 54-2141436 Pooling and Servicing Agreement) (Commission 54-2144737 (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 May 25, 2004 a distribution was made to holders of BANC OF AMERICA MORTGAGE SECURITIES, INC., Mortgage Pass-Through Certificates, Series 2004-B 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 Mortgage Pass-Through Certificates, Series 2004-B Trust, relating to the May 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. BANC OF AMERICA MORTGAGE SECURITIES, INC. Mortgage Pass-Through Certificates, Series 2004-B Trust By: Wells Fargo Bank, N.A. as Trustee By: /s/ Beth Belfield as Assistant Vice President By: Beth Belfield as Assistant Vice President Date: 6/1/04 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2004-B Trust, relating to the May 25, 2004 distribution. EX-99.1 Banc of America Mortgage Securities, Inc. Mortgage Pass-Through Certificates Record Date: 4/30/04 Distribution Date: 5/25/04 BAM Series: 2004-B 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> 1-A-1 05948X2Y6 SEN 3.47279% 56,530,927.82 163,599.91 7,598,218.98 1-A-R 05948X2Z3 SEN 3.49859% 0.00 0.00 0.00 1-A-LR 05948X3A7 SEN 3.49859% 0.00 0.31 0.00 2-A-1 05948X3B5 SEN 3.59983% 95,919,151.69 287,744.17 8,176,027.25 2-A-2 05948X3C3 SEN 4.17783% 506,123,439.90 1,762,083.00 43,141,322.30 B-1 05948X3D1 SUB 4.02891% 9,471,692.24 31,800.46 4,786.19 B-2 05948X3E9 SUB 4.02891% 4,209,863.00 14,134.28 2,127.31 B-3 05948X3F6 SUB 4.02891% 2,806,242.33 9,421.74 1,418.04 B-4 05948X2S9 SUB 4.02891% 1,402,621.65 4,709.19 708.77 B-5 05948X2T7 SUB 4.02891% 1,051,966.24 3,531.89 531.57 B-6 05948X2U4 SUB 4.02891% 1,404,064.24 4,714.04 709.50 1-IO 05948X2W0 SEN 0.63900% 0.00 31,107.41 0.00 2-IO 05948X2X8 SEN 0.31909% 0.00 164,995.70 0.00 SES 05948X2V2 SEN 0.00000% 0.00 127,966.41 0.00 Totals 678,919,969.11 2,605,808.51 58,925,849.91 Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses <s> <c> <c> <c> <c> 1-A-1 0.00 48,932,708.85 7,761,818.89 0.00 1-A-R 0.00 0.00 0.00 0.00 1-A-LR 0.00 0.00 0.31 0.00 2-A-1 0.00 87,743,124.44 8,463,771.42 0.00 2-A-2 0.00 462,982,117.59 44,903,405.30 0.00 B-1 0.00 9,466,906.05 36,586.65 0.00 B-2 0.00 4,207,735.69 16,261.59 0.00 B-3 0.00 2,804,824.29 10,839.78 0.00 B-4 0.00 1,401,912.89 5,417.96 0.00 B-5 0.00 1,051,434.67 4,063.46 0.00 B-6 0.00 1,403,354.74 5,423.54 0.00 1-IO 0.00 0.00 31,107.41 0.00 2-IO 0.00 0.00 164,995.70 0.00 SES 0.00 0.00 127,966.41 0.00 Totals 0.00 619,994,119.21 61,531,658.42 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> 1-A-1 63,317,000.00 56,530,927.82 83,923.51 7,514,295.47 0.00 0.00 1-A-R 50.00 0.00 0.00 0.00 0.00 0.00 1-A-LR 50.00 0.00 0.00 0.00 0.00 0.00 2-A-1 98,549,000.00 95,919,151.69 38,869.15 8,137,158.10 0.00 0.00 2-A-2 520,000,000.00 506,123,439.90 205,095.53 42,936,226.77 0.00 0.00 B-1 9,481,000.00 9,471,692.24 4,786.19 0.00 0.00 0.00 B-2 4,214,000.00 4,209,863.00 2,127.31 0.00 0.00 0.00 B-3 2,809,000.00 2,806,242.33 1,418.04 0.00 0.00 0.00 B-4 1,404,000.00 1,402,621.65 708.77 0.00 0.00 0.00 B-5 1,053,000.00 1,051,966.24 531.57 0.00 0.00 0.00 B-6 1,405,444.00 1,404,064.24 709.50 0.00 0.00 0.00 1-IO 0.00 0.00 0.00 0.00 0.00 0.00 2-IO 0.00 0.00 0.00 0.00 0.00 0.00 SES 0.00 0.00 0.00 0.00 0.00 0.00 Totals 702,232,544.00 678,919,969.11 338,169.57 58,587,680.34 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> 1-A-1 7,598,218.98 48,932,708.85 0.77282103 7,598,218.98 1-A-R 0.00 0.00 0.00000000 0.00 1-A-LR 0.00 0.00 0.00000000 0.00 2-A-1 8,176,027.25 87,743,124.44 0.89035023 8,176,027.25 2-A-2 43,141,322.30 462,982,117.59 0.89035023 43,141,322.30 B-1 4,786.19 9,466,906.05 0.99851345 4,786.19 B-2 2,127.31 4,207,735.69 0.99851345 2,127.31 B-3 1,418.04 2,804,824.29 0.99851345 1,418.04 B-4 708.77 1,401,912.89 0.99851345 708.77 B-5 531.57 1,051,434.67 0.99851346 531.57 B-6 709.50 1,403,354.74 0.99851345 709.50 1-IO 0.00 0.00 0.00000000 0.00 2-IO 0.00 0.00 0.00000000 0.00 SES 0.00 0.00 0.00000000 0.00 Totals 58,925,849.91 619,994,119.21 0.88289004 58,925,849.91 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> 1-A-1 63,317,000.00 892.82385173 1.32544988 118.67737685 0.00000000 1-A-R 50.00 0.00000000 0.00000000 0.00000000 0.00000000 1-A-LR 50.00 0.00000000 0.00000000 0.00000000 0.00000000 2-A-1 98,549,000.00 973.31430750 0.39441445 82.56966687 0.00000000 2-A-2 520,000,000.00 973.31430750 0.39441448 82.56966687 0.00000000 B-1 9,481,000.00 999.01827233 0.50481911 0.00000000 0.00000000 B-2 4,214,000.00 999.01827243 0.50481965 0.00000000 0.00000000 B-3 2,809,000.00 999.01827341 0.50482022 0.00000000 0.00000000 B-4 1,404,000.00 999.01826923 0.50482194 0.00000000 0.00000000 B-5 1,053,000.00 999.01827160 0.50481481 0.00000000 0.00000000 B-6 1,405,444.00 999.01827465 0.50482268 0.00000000 0.00000000 1-IO 0.00 0.00000000 0.00000000 0.00000000 0.00000000 2-IO 0.00 0.00000000 0.00000000 0.00000000 0.00000000 SES 0.00 0.00000000 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> 1-A-1 0.00000000 120.00282673 772.82102516 0.77282103 120.00282673 1-A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 1-A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 2-A-1 0.00000000 82.96408132 890.35022618 0.89035023 82.96408132 2-A-2 0.00000000 82.96408135 890.35022613 0.89035023 82.96408135 B-1 0.00000000 0.50481911 998.51345322 0.99851345 0.50481911 B-2 0.00000000 0.50481965 998.51345278 0.99851345 0.50481965 B-3 0.00000000 0.50482022 998.51345319 0.99851345 0.50482022 B-4 0.00000000 0.50482194 998.51345442 0.99851345 0.50482194 B-5 0.00000000 0.50481481 998.51345679 0.99851346 0.50481481 B-6 0.00000000 0.50482268 998.51345198 0.99851345 0.50482268 1-IO 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 2-IO 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 SES 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> 1-A-1 63,317,000.00 3.47279% 56,530,927.82 163,599.91 0.00 0.00 1-A-R 50.00 3.49859% 0.00 0.00 0.00 0.00 1-A-LR 50.00 3.49859% 0.00 0.00 0.00 0.00 2-A-1 98,549,000.00 3.59983% 95,919,151.69 287,744.17 0.00 0.00 2-A-2 520,000,000.00 4.17783% 506,123,439.90 1,762,083.00 0.00 0.00 B-1 9,481,000.00 4.02891% 9,471,692.24 31,800.46 0.00 0.00 B-2 4,214,000.00 4.02891% 4,209,863.00 14,134.28 0.00 0.00 B-3 2,809,000.00 4.02891% 2,806,242.33 9,421.74 0.00 0.00 B-4 1,404,000.00 4.02891% 1,402,621.65 4,709.19 0.00 0.00 B-5 1,053,000.00 4.02891% 1,051,966.24 3,531.89 0.00 0.00 B-6 1,405,444.00 4.02891% 1,404,064.24 4,714.04 0.00 0.00 1-IO 0.00 0.63900% 58,417,671.70 31,107.41 0.00 0.00 2-IO 0.00 0.31909% 620,502,297.88 164,995.70 0.00 0.00 SES 0.00 0.00000% 678,919,969.58 0.00 0.00 0.00 Totals 702,232,544.00 2,477,841.79 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> 1-A-1 0.00 0.00 163,599.91 0.00 48,932,708.85 1-A-R 0.00 0.00 0.00 0.00 0.00 1-A-LR 0.00 0.00 0.31 0.00 0.00 2-A-1 0.00 0.00 287,744.17 0.00 87,743,124.44 2-A-2 0.00 0.00 1,762,083.00 0.00 462,982,117.59 B-1 0.00 0.00 31,800.46 0.00 9,466,906.05 B-2 0.00 0.00 14,134.28 0.00 4,207,735.69 B-3 0.00 0.00 9,421.74 0.00 2,804,824.29 B-4 0.00 0.00 4,709.19 0.00 1,401,912.89 B-5 0.00 0.00 3,531.89 0.00 1,051,434.67 B-6 0.00 0.00 4,714.04 0.00 1,403,354.74 1-IO 0.00 0.00 31,107.41 0.00 50,816,651.74 2-IO 0.00 0.00 164,995.70 0.00 569,177,467.93 SES 0.00 0.00 127,966.41 0.00 619,994,119.67 Totals 0.00 0.00 2,605,808.51 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> 1-A-1 63,317,000.00 3.47279% 892.82385173 2.58382283 0.00000000 0.00000000 1-A-R 50.00 3.49859% 0.00000000 0.00000000 0.00000000 0.00000000 1-A-LR 50.00 3.49859% 0.00000000 0.00000000 0.00000000 0.00000000 2-A-1 98,549,000.00 3.59983% 973.31430750 2.91980812 0.00000000 0.00000000 2-A-2 520,000,000.00 4.17783% 973.31430750 3.38862115 0.00000000 0.00000000 B-1 9,481,000.00 4.02891% 999.01827233 3.35412509 0.00000000 0.00000000 B-2 4,214,000.00 4.02891% 999.01827243 3.35412435 0.00000000 0.00000000 B-3 2,809,000.00 4.02891% 999.01827341 3.35412602 0.00000000 0.00000000 B-4 1,404,000.00 4.02891% 999.01826923 3.35412393 0.00000000 0.00000000 B-5 1,053,000.00 4.02891% 999.01827160 3.35412156 0.00000000 0.00000000 B-6 1,405,444.00 4.02891% 999.01827465 3.35412866 0.00000000 0.00000000 1-IO 0.00 0.63900% 895.85071629 0.47704050 0.00000000 0.00000000 2-IO 0.00 0.31909% 974.06517865 0.25901043 0.00000000 0.00000000 SES 0.00 0.00000% 966.80220096 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> 1-A-1 0.00000000 0.00000000 2.58382283 0.00000000 772.82102516 1-A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 1-A-LR 0.00000000 0.00000000 6.20000000 0.00000000 0.00000000 2-A-1 0.00000000 0.00000000 2.91980812 0.00000000 890.35022618 2-A-2 0.00000000 0.00000000 3.38862115 0.00000000 890.35022613 B-1 0.00000000 0.00000000 3.35412509 0.00000000 998.51345322 B-2 0.00000000 0.00000000 3.35412435 0.00000000 998.51345278 B-3 0.00000000 0.00000000 3.35412602 0.00000000 998.51345319 B-4 0.00000000 0.00000000 3.35412393 0.00000000 998.51345442 B-5 0.00000000 0.00000000 3.35412156 0.00000000 998.51345679 B-6 0.00000000 0.00000000 3.35412866 0.00000000 998.51345198 1-IO 0.00000000 0.00000000 0.47704050 0.00000000 779.28702969 2-IO 0.00000000 0.00000000 0.25901043 0.00000000 893.49540506 SES 0.00000000 0.00000000 0.18222797 0.00000000 882.89004056 <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 Component Statement Component Beginning Ending Beginning Ending Ending Pass-Through Notional Notional Component Component Component Class Rate Balance Balance Balance Balance Percentage <s> <c> <c> <c> <c> <c> <c> 1-SES 0.00000% 58,417,671.70 50,816,651.74 0.00 0.00 77.92870297% 2-SES 0.00000% 620,502,297.88 569,177,467.93 0.00 0.00 89.34954051% CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT <s> <c> Beginning Balance 0.00 Deposits Payments of Interest and Principal 61,544,955.43 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 16,971.50 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 61,561,926.93 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 30,268.51 Payment of Interest and Principal 61,531,658.42 Total Withdrawals (Pool Distribution Amount) 61,561,926.93 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 28,288.33 Trustee Fee - Wells Fargo Bank, N.A. 1,980.18 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 30,268.51 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 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 7 0 0 0 7 3,384,396.61 0.00 0.00 0.00 3,384,396.61 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 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 7 0 0 0 7 3,384,396.61 0.00 0.00 0.00 3,384,396.61 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 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.602410% 0.000000% 0.000000% 0.000000% 0.602410% 0.498289% 0.000000% 0.000000% 0.000000% 0.498289% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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% 0.000000% 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 0.602410% 0.000000% 0.000000% 0.000000% 0.602410% 0.498289% 0.000000% 0.000000% 0.000000% 0.498289% 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 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 2 0 0 0 2 1,208,145.84 0.00 0.00 0.00 1,208,145.84 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 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 2 0 0 0 2 1,208,145.84 0.00 0.00 0.00 1,208,145.84 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 1.960784% 0.000000% 0.000000% 0.000000% 1.960784% 2.065597% 0.000000% 0.000000% 0.000000% 2.065597% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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% 0.000000% 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 1.960784% 0.000000% 0.000000% 0.000000% 1.960784% 2.065597% 0.000000% 0.000000% 0.000000% 2.065597% <caption> 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 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 5 0 0 0 5 2,176,250.77 0.00 0.00 0.00 2,176,250.77 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 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 5 0 0 0 5 2,176,250.77 0.00 0.00 0.00 2,176,250.77 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.471698% 0.000000% 0.000000% 0.000000% 0.471698% 0.350604% 0.000000% 0.000000% 0.000000% 0.350604% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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% 0.000000% 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 0.471698% 0.000000% 0.000000% 0.000000% 0.471698% 0.350604% 0.000000% 0.000000% 0.000000% 0.350604% OTHER INFORMATION <s> <c> Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 16,971.50 COLLATERAL STATEMENT Collateral Description Mixed ARM Weighted Average Gross Coupon 4.643874% Weighted Average Net Coupon 4.383118% Weighted Average Pass-Through Rate 4.379617% Weighted Average Maturity(Stepdown Calculation ) 354 Beginning Scheduled Collateral Loan Count 1,255 Number Of Loans Paid In Full 93 Ending Scheduled Collateral Loan Count 1,162 Beginning Scheduled Collateral Balance 678,919,969.58 Ending Scheduled Collateral Balance 619,994,119.67 Ending Actual Collateral Balance at 30-Apr-2004 679,204,165.67 Monthly P &I Constant 2,965,518.69 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Ending Scheduled Balance for Premium Loans 619,994,119.67 Scheduled Principal 338,169.57 Unscheduled Principal 58,587,680.34 Miscellaneous Reporting Total Senior% 97.003115% Total Subordinate% 2.996885% Group Level Collateral Statement Group Group 1 Group 2 Total Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 4.490287 4.658334 4.643874 Weighted Average Net Rate 4.240287 4.408334 4.383118 Weighted Average Maturity 353 356 354 Beginning Loan Count 116 1,139 1,255 Loans Paid In Full 14 79 93 Ending Loan Count 102 1,060 1,162 Beginning Scheduled Balance 58,417,671.70 620,502,297.88 678,919,969.58 Ending scheduled Balance 50,816,651.74 569,177,467.93 619,994,119.67 Record Date 04/30/2004 04/30/2004 04/30/2004 Principal And Interest Constant 305,317.93 2,660,200.76 2,965,518.69 Scheduled Principal 86,724.49 251,445.08 338,169.57 Unscheduled Principal 7,514,295.47 51,073,384.87 58,587,680.34 Scheduled Interest 218,593.44 2,408,755.68 2,627,349.12 Servicing Fees 12,170.34 129,271.30 141,441.64 Master Servicing Fees 0.00 0.00 0.00 Trustee Fee 170.39 1,809.79 1,980.18 FRY Amount 0.00 0.00 0.00 Special Hazard Fee 0.00 0.00 0.00 Other Fee 6,085.18 0.00 6,085.18 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 200,167.53 2,277,674.59 2,477,842.12 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 4.111787 4.404834 4.379617 Miscellaneous Reporting Group Group 1 CPR 80.888965% Senior Prepayment% 100.000000% Subordinate% 3.229748% Subordinate Prepayment% 0.000000% Senior% 96.770252% Group Group 2 CPR 64.341428% Senior Prepayment% 100.000000% Subordinate% 2.974962% Subordinate Prepayment% 0.000000% Senior% 97.025038%