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, 2005 BANC OF AMERICA ALTERNATIVE LOAN TRUST Mortgage Pass-Through Certificates, Series 2005-4 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-118843-21 54-2173102 Pooling and Servicing Agreement) (Commission 54-2173103 (State or other File Number) 54-2173104 jurisdiction 54-6658784 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 May 25, 2005 a distribution was made to holders of BANC OF AMERICA ALTERNATIVE LOAN TRUST, Mortgage Pass-Through Certificates, Series 2005-4 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 2005-4 Trust, relating to the May 25, 2005 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 ALTERNATIVE LOAN TRUST Mortgage Pass-Through Certificates, Series 2005-4 Trust (Registrant) By: Wells Fargo Bank, N.A. as Trustee By: /s/ Beth Belfield as Officer By: Beth Belfield as Officer Date: 5/26/05 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2005-4 Trust, relating to the May 25, 2005 distribution. EX-99.1 Banc of America Alternative Loan Trust Mortgage Pass-Through Certificates Record Date: 4/29/05 Distribution Date: 5/25/05 Banc of America Alternative Loan Trust Mortgage Pass-Through Certificates Series 2005-4 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> CB-1 05948KZA0 SEN 3.23000% 50,000,000.00 134,583.33 174,850.79 CB-2 05948KZB8 SEN 3.35000% 88,861,000.00 248,070.29 384,458.05 CB-3 05948KZC6 SEN 2.15000% 0.00 159,209.29 0.00 CB-4 05948KZD4 SEN 2.27000% 0.00 94,583.33 0.00 CB-5 05948KZE2 SEN 5.50000% 9,000,000.00 41,250.00 0.00 CB-6 05948KZF9 SEN 3.38000% 87,760,000.00 247,190.67 306,905.87 CB-7 05948KZG7 SEN 2.12000% 0.00 155,042.67 0.00 CB-8 05948KZH5 SEN 5.50000% 20,000,000.00 91,666.67 0.00 CB-9 05948KZJ1 SEN 5.50000% 833,000.00 3,817.92 0.00 CB-10 05948KZK8 SEN 5.50000% 12,487,000.00 57,232.08 (57,232.08) CB-11 05948KZL6 SEN 5.50000% 5,287,000.00 24,232.08 57,232.08 CB-12 05948KZM4 SEN 5.50000% 4,334,000.00 19,864.17 18,751.10 CB-13 05948KZN2 SEN 5.50000% 12,410,000.00 56,879.17 0.00 CB-R 05948KZP7 SEN 5.50000% 100.00 1.05 100.00 CB-IO 05948KZQ5 SEN 5.50000% 0.00 76,118.70 0.00 2-A-1 05948KZR3 SEN 5.00000% 20,082,000.00 83,675.00 76,421.80 3-A-1 05948KZS1 SEN 5.50000% 29,801,000.00 136,587.92 107,181.58 A-PO 05948KZU6 PO 0.00000% 1,249,480.28 0.00 2,514.48 15-IO 05948KZT9 SEN 5.50000% 0.00 4,483.84 0.00 B-1 05948KZV4 SUB 5.47037% 6,415,000.00 29,243.66 8,894.56 B-2 05948KZW2 SUB 5.47037% 2,673,000.00 12,185.24 3,706.18 B-3 05948KZX0 SUB 5.47037% 1,960,000.00 8,934.93 2,717.59 B-4 05948KZY8 SUB 5.47037% 1,247,000.00 5,684.62 1,729.00 B-5 05948KZZ5 SUB 5.47037% 713,000.00 3,250.31 988.59 B-6 05948KA25 SUB 5.47037% 1,247,420.00 5,686.54 1,729.58 Totals 356,360,000.28 1,699,473.48 1,090,949.17 Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses <s> <c> <c> <c> <c> CB-1 0.00 49,825,149.21 309,434.12 0.00 CB-2 0.00 88,476,541.95 632,528.34 0.00 CB-3 0.00 0.00 159,209.29 0.00 CB-4 0.00 0.00 94,583.33 0.00 CB-5 0.00 9,000,000.00 41,250.00 0.00 CB-6 0.00 87,453,094.13 554,096.54 0.00 CB-7 0.00 0.00 155,042.67 0.00 CB-8 0.00 20,000,000.00 91,666.67 0.00 CB-9 0.00 833,000.00 3,817.92 0.00 CB-10 0.00 12,544,232.08 0.00 0.00 CB-11 0.00 5,229,767.92 81,464.16 0.00 CB-12 0.00 4,315,248.90 38,615.27 0.00 CB-13 0.00 12,410,000.00 56,879.17 0.00 CB-R 0.00 0.00 101.05 0.00 CB-IO 0.00 0.00 76,118.70 0.00 2-A-1 0.00 20,005,578.20 160,096.80 0.00 3-A-1 0.00 29,693,818.42 243,769.50 0.00 A-PO 0.00 1,246,965.80 2,514.48 0.00 15-IO 0.00 0.00 4,483.84 0.00 B-1 0.00 6,406,105.44 38,138.22 0.00 B-2 0.00 2,669,293.82 15,891.42 0.00 B-3 0.00 1,957,282.41 11,652.52 0.00 B-4 0.00 1,245,271.00 7,413.62 0.00 B-5 0.00 712,011.41 4,238.90 0.00 B-6 0.00 1,245,691.22 7,416.12 0.00 Totals 0.00 355,269,051.91 2,790,422.65 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> CB-1 50,000,000.00 50,000,000.00 58,052.56 116,798.23 0.00 0.00 CB-2 88,861,000.00 88,861,000.00 127,644.69 256,813.36 0.00 0.00 CB-3 0.00 0.00 0.00 0.00 0.00 0.00 CB-4 0.00 0.00 0.00 0.00 0.00 0.00 CB-5 9,000,000.00 9,000,000.00 0.00 0.00 0.00 0.00 CB-6 87,760,000.00 87,760,000.00 101,896.43 205,009.44 0.00 0.00 CB-7 0.00 0.00 0.00 0.00 0.00 0.00 CB-8 20,000,000.00 20,000,000.00 0.00 0.00 0.00 0.00 CB-9 833,000.00 833,000.00 0.00 0.00 0.00 0.00 CB-10 12,487,000.00 12,487,000.00 0.00 0.00 (57,232.08) 0.00 CB-11 5,287,000.00 5,287,000.00 19,001.74 38,230.34 0.00 0.00 CB-12 4,334,000.00 4,334,000.00 6,225.59 12,525.51 0.00 0.00 CB-13 12,410,000.00 12,410,000.00 0.00 0.00 0.00 0.00 CB-R 100.00 100.00 33.20 66.80 0.00 0.00 CB-IO 0.00 0.00 0.00 0.00 0.00 0.00 2-A-1 20,082,000.00 20,082,000.00 73,442.32 2,979.48 0.00 0.00 3-A-1 29,801,000.00 29,801,000.00 104,682.20 2,499.39 0.00 0.00 A-PO 1,249,480.28 1,249,480.28 2,460.59 53.89 0.00 0.00 15-IO 0.00 0.00 0.00 0.00 0.00 0.00 B-1 6,415,000.00 6,415,000.00 8,894.56 0.00 0.00 0.00 B-2 2,673,000.00 2,673,000.00 3,706.18 0.00 0.00 0.00 B-3 1,960,000.00 1,960,000.00 2,717.59 0.00 0.00 0.00 B-4 1,247,000.00 1,247,000.00 1,729.00 0.00 0.00 0.00 B-5 713,000.00 713,000.00 988.59 0.00 0.00 0.00 B-6 1,247,420.00 1,247,420.00 1,729.58 0.00 0.00 0.00 Totals 356,360,000.28 356,360,000.28 513,204.82 634,976.44 (57,232.08) 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> CB-1 174,850.79 49,825,149.21 0.99650298 174,850.79 CB-2 384,458.05 88,476,541.95 0.99567349 384,458.05 CB-3 0.00 0.00 0.00000000 0.00 CB-4 0.00 0.00 0.00000000 0.00 CB-5 0.00 9,000,000.00 1.00000000 0.00 CB-6 306,905.87 87,453,094.13 0.99650290 306,905.87 CB-7 0.00 0.00 0.00000000 0.00 CB-8 0.00 20,000,000.00 1.00000000 0.00 CB-9 0.00 833,000.00 1.00000000 0.00 CB-10 (57,232.08) 12,544,232.08 1.00458333 (57,232.08) CB-11 57,232.08 5,229,767.92 0.98917494 57,232.08 CB-12 18,751.10 4,315,248.90 0.99567349 18,751.10 CB-13 0.00 12,410,000.00 1.00000000 0.00 CB-R 100.00 0.00 0.00000000 100.00 CB-IO 0.00 0.00 0.00000000 0.00 2-A-1 76,421.80 20,005,578.20 0.99619451 76,421.80 3-A-1 107,181.58 29,693,818.42 0.99640342 107,181.58 A-PO 2,514.48 1,246,965.80 0.99798758 2,514.48 15-IO 0.00 0.00 0.00000000 0.00 B-1 8,894.56 6,406,105.44 0.99861347 8,894.56 B-2 3,706.18 2,669,293.82 0.99861348 3,706.18 B-3 2,717.59 1,957,282.41 0.99861347 2,717.59 B-4 1,729.00 1,245,271.00 0.99861347 1,729.00 B-5 988.59 712,011.41 0.99861348 988.59 B-6 1,729.58 1,245,691.22 0.99861412 1,729.58 Totals 1,090,949.17 355,269,051.91 0.99693863 1,090,949.17 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> CB-1 50,000,000.00 1000.00000000 1.16105120 2.33596460 0.00000000 CB-2 88,861,000.00 1000.00000000 1.43645345 2.89005706 0.00000000 CB-3 0.00 0.00000000 0.00000000 0.00000000 0.00000000 CB-4 0.00 0.00000000 0.00000000 0.00000000 0.00000000 CB-5 9,000,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 CB-6 87,760,000.00 1000.00000000 1.16108056 2.33602370 0.00000000 CB-7 0.00 0.00000000 0.00000000 0.00000000 0.00000000 CB-8 20,000,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 CB-9 833,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 CB-10 12,487,000.00 1000.00000000 0.00000000 0.00000000 (4.58333307) CB-11 5,287,000.00 1000.00000000 3.59404956 7.23100813 0.00000000 CB-12 4,334,000.00 1000.00000000 1.43645362 2.89005768 0.00000000 CB-13 12,410,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 CB-R 100.00 1000.00000000 332.00000000 668.00000000 0.00000000 CB-IO 0.00 0.00000000 0.00000000 0.00000000 0.00000000 2-A-1 20,082,000.00 1000.00000000 3.65712180 0.14836570 0.00000000 3-A-1 29,801,000.00 1000.00000000 3.51270763 0.08386933 0.00000000 A-PO 1,249,480.28 1000.00000000 1.96929078 0.04312993 0.00000000 15-IO 0.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 6,415,000.00 1000.00000000 1.38652533 0.00000000 0.00000000 B-2 2,673,000.00 1000.00000000 1.38652450 0.00000000 0.00000000 B-3 1,960,000.00 1000.00000000 1.38652551 0.00000000 0.00000000 B-4 1,247,000.00 1000.00000000 1.38652767 0.00000000 0.00000000 B-5 713,000.00 1000.00000000 1.38652174 0.00000000 0.00000000 B-6 1,247,420.00 1000.00000000 1.38652579 0.00000000 0.00000000 <FN> (2) All classes are per 1,000 dollar 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> CB-1 0.00000000 3.49701580 996.50298420 0.99650298 3.49701580 CB-2 0.00000000 4.32651051 995.67348949 0.99567349 4.32651051 CB-3 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 CB-4 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 CB-5 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 CB-6 0.00000000 3.49710426 996.50289574 0.99650290 3.49710426 CB-7 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 CB-8 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 CB-9 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 CB-10 0.00000000 (4.58333307) 1,004.58333307 1.00458333 (4.58333307) CB-11 0.00000000 10.82505769 989.17494231 0.98917494 10.82505769 CB-12 0.00000000 4.32651131 995.67348869 0.99567349 4.32651131 CB-13 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 CB-R 0.00000000 1,000.00000000 0.00000000 0.00000000 1,000.00000000 CB-IO 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 2-A-1 0.00000000 3.80548750 996.19451250 0.99619451 3.80548750 3-A-1 0.00000000 3.59657662 996.40342338 0.99640342 3.59657662 A-PO 0.00000000 2.01242072 997.98757928 0.99798758 2.01242072 15-IO 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 1.38652533 998.61347467 0.99861347 1.38652533 B-2 0.00000000 1.38652450 998.61347550 0.99861348 1.38652450 B-3 0.00000000 1.38652551 998.61347449 0.99861347 1.38652551 B-4 0.00000000 1.38652767 998.61347233 0.99861347 1.38652767 B-5 0.00000000 1.38652174 998.61347826 0.99861348 1.38652174 B-6 0.00000000 1.38652579 998.61411553 0.99861412 1.38652579 <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> CB-1 50,000,000.00 3.23000% 50,000,000.00 134,583.33 0.00 0.00 CB-2 88,861,000.00 3.35000% 88,861,000.00 248,070.29 0.00 0.00 CB-3 0.00 2.15000% 88,861,000.00 159,209.29 0.00 0.00 CB-4 0.00 2.27000% 50,000,000.00 94,583.33 0.00 0.00 CB-5 9,000,000.00 5.50000% 9,000,000.00 41,250.00 0.00 0.00 CB-6 87,760,000.00 3.38000% 87,760,000.00 247,190.67 0.00 0.00 CB-7 0.00 2.12000% 87,760,000.00 155,042.67 0.00 0.00 CB-8 20,000,000.00 5.50000% 20,000,000.00 91,666.67 0.00 0.00 CB-9 833,000.00 5.50000% 833,000.00 3,817.92 0.00 0.00 CB-10 12,487,000.00 5.50000% 12,487,000.00 57,232.08 0.00 0.00 CB-11 5,287,000.00 5.50000% 5,287,000.00 24,232.08 0.00 0.00 CB-12 4,334,000.00 5.50000% 4,334,000.00 19,864.17 0.00 0.00 CB-13 12,410,000.00 5.50000% 12,410,000.00 56,879.17 0.00 0.00 CB-R 100.00 5.50000% 100.00 0.46 0.00 0.00 CB-IO 0.00 5.50000% 16,607,716.83 76,118.70 0.00 0.00 2-A-1 20,082,000.00 5.00000% 20,082,000.00 83,675.00 0.00 0.00 3-A-1 29,801,000.00 5.50000% 29,801,000.00 136,587.92 0.00 0.00 A-PO 1,249,480.28 0.00000% 1,249,480.28 0.00 0.00 0.00 15-IO 0.00 5.50000% 978,292.64 4,483.84 0.00 0.00 B-1 6,415,000.00 5.47037% 6,415,000.00 29,243.66 0.00 0.00 B-2 2,673,000.00 5.47037% 2,673,000.00 12,185.24 0.00 0.00 B-3 1,960,000.00 5.47037% 1,960,000.00 8,934.93 0.00 0.00 B-4 1,247,000.00 5.47037% 1,247,000.00 5,684.62 0.00 0.00 B-5 713,000.00 5.47037% 713,000.00 3,250.31 0.00 0.00 B-6 1,247,420.00 5.47037% 1,247,420.00 5,686.54 0.00 0.00 Totals 356,360,000.28 1,699,472.89 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> CB-1 0.00 0.00 134,583.33 0.00 49,825,149.21 CB-2 0.00 0.00 248,070.29 0.00 88,476,541.95 CB-3 0.00 0.00 159,209.29 0.00 88,476,541.95 CB-4 0.00 0.00 94,583.33 0.00 49,825,149.21 CB-5 0.00 0.00 41,250.00 0.00 9,000,000.00 CB-6 0.00 0.00 247,190.67 0.00 87,453,094.13 CB-7 0.00 0.00 155,042.67 0.00 87,453,094.13 CB-8 0.00 0.00 91,666.67 0.00 20,000,000.00 CB-9 0.00 0.00 3,817.92 0.00 833,000.00 CB-10 0.00 0.00 57,232.08 0.00 12,544,232.08 CB-11 0.00 0.00 24,232.08 0.00 5,229,767.92 CB-12 0.00 0.00 19,864.17 0.00 4,315,248.90 CB-13 0.00 0.00 56,879.17 0.00 12,410,000.00 CB-R 0.00 0.00 1.05 0.00 0.00 CB-IO 0.00 0.00 76,118.70 0.00 16,533,351.81 2-A-1 0.00 0.00 83,675.00 0.00 20,005,578.20 3-A-1 0.00 0.00 136,587.92 0.00 29,693,818.42 A-PO 0.00 0.00 0.00 0.00 1,246,965.80 15-IO 0.00 0.00 4,483.84 0.00 974,693.65 B-1 0.00 0.00 29,243.66 0.00 6,406,105.44 B-2 0.00 0.00 12,185.24 0.00 2,669,293.82 B-3 0.00 0.00 8,934.93 0.00 1,957,282.41 B-4 0.00 0.00 5,684.62 0.00 1,245,271.00 B-5 0.00 0.00 3,250.31 0.00 712,011.41 B-6 0.00 0.00 5,686.54 0.00 1,245,691.22 Totals 0.00 0.00 1,699,473.48 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> CB-1 50,000,000.00 3.23000% 1000.00000000 2.69166660 0.00000000 0.00000000 CB-2 88,861,000.00 3.35000% 1000.00000000 2.79166665 0.00000000 0.00000000 CB-3 0.00 2.15000% 1000.00000000 1.79166665 0.00000000 0.00000000 CB-4 0.00 2.27000% 1000.00000000 1.89166660 0.00000000 0.00000000 CB-5 9,000,000.00 5.50000% 1000.00000000 4.58333333 0.00000000 0.00000000 CB-6 87,760,000.00 3.38000% 1000.00000000 2.81666670 0.00000000 0.00000000 CB-7 0.00 2.12000% 1000.00000000 1.76666670 0.00000000 0.00000000 CB-8 20,000,000.00 5.50000% 1000.00000000 4.58333350 0.00000000 0.00000000 CB-9 833,000.00 5.50000% 1000.00000000 4.58333733 0.00000000 0.00000000 CB-10 12,487,000.00 5.50000% 1000.00000000 4.58333307 0.00000000 0.00000000 CB-11 5,287,000.00 5.50000% 1000.00000000 4.58333270 0.00000000 0.00000000 CB-12 4,334,000.00 5.50000% 1000.00000000 4.58333410 0.00000000 0.00000000 CB-13 12,410,000.00 5.50000% 1000.00000000 4.58333360 0.00000000 0.00000000 CB-R 100.00 5.50000% 1000.00000000 4.60000000 0.00000000 0.00000000 CB-IO 0.00 5.50000% 1000.00000000 4.58333320 0.00000000 0.00000000 2-A-1 20,082,000.00 5.00000% 1000.00000000 4.16666667 0.00000000 0.00000000 3-A-1 29,801,000.00 5.50000% 1000.00000000 4.58333345 0.00000000 0.00000000 A-PO 1,249,480.28 0.00000% 1000.00000000 0.00000000 0.00000000 0.00000000 15-IO 0.00 5.50000% 1000.00000000 4.58333204 0.00000000 0.00000000 B-1 6,415,000.00 5.47037% 1000.00000000 4.55863757 0.00000000 0.00000000 B-2 2,673,000.00 5.47037% 1000.00000000 4.55863823 0.00000000 0.00000000 B-3 1,960,000.00 5.47037% 1000.00000000 4.55863776 0.00000000 0.00000000 B-4 1,247,000.00 5.47037% 1000.00000000 4.55863673 0.00000000 0.00000000 B-5 713,000.00 5.47037% 1000.00000000 4.55863955 0.00000000 0.00000000 B-6 1,247,420.00 5.47037% 1000.00000000 4.55864104 0.00000000 0.00000000 <FN> (5) All classes are per 1,000 dollar 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> CB-1 0.00000000 0.00000000 2.69166660 0.00000000 996.50298420 CB-2 0.00000000 0.00000000 2.79166665 0.00000000 995.67348949 CB-3 0.00000000 0.00000000 1.79166665 0.00000000 995.67348949 CB-4 0.00000000 0.00000000 1.89166660 0.00000000 996.50298420 CB-5 0.00000000 0.00000000 4.58333333 0.00000000 1000.00000000 CB-6 0.00000000 0.00000000 2.81666670 0.00000000 996.50289574 CB-7 0.00000000 0.00000000 1.76666670 0.00000000 996.50289574 CB-8 0.00000000 0.00000000 4.58333350 0.00000000 1000.00000000 CB-9 0.00000000 0.00000000 4.58333733 0.00000000 1000.00000000 CB-10 0.00000000 0.00000000 4.58333307 0.00000000 1004.58333307 CB-11 0.00000000 0.00000000 4.58333270 0.00000000 989.17494231 CB-12 0.00000000 0.00000000 4.58333410 0.00000000 995.67348869 CB-13 0.00000000 0.00000000 4.58333360 0.00000000 1000.00000000 CB-R 0.00000000 0.00000000 10.50000000 0.00000000 0.00000000 CB-IO 0.00000000 0.00000000 4.58333320 0.00000000 995.52226108 2-A-1 0.00000000 0.00000000 4.16666667 0.00000000 996.19451250 3-A-1 0.00000000 0.00000000 4.58333345 0.00000000 996.40342338 A-PO 0.00000000 0.00000000 0.00000000 0.00000000 997.98757928 15-IO 0.00000000 0.00000000 4.58333204 0.00000000 996.32115192 B-1 0.00000000 0.00000000 4.55863757 0.00000000 998.61347467 B-2 0.00000000 0.00000000 4.55863823 0.00000000 998.61347550 B-3 0.00000000 0.00000000 4.55863776 0.00000000 998.61347449 B-4 0.00000000 0.00000000 4.55863673 0.00000000 998.61347233 B-5 0.00000000 0.00000000 4.55863955 0.00000000 998.61347826 B-6 0.00000000 0.00000000 4.55864104 0.00000000 998.61411553 <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-A-PO 0.00000% 0.00 0.00 838,851.75 837,864.59 99.88232009% 2-A-PO 0.00000% 0.00 0.00 188,585.91 187,854.47 99.61214494% 3-A-PO 0.00000% 0.00 0.00 222,042.62 221,246.74 99.64156431% 2-15-IO 5.50000% 485,607.07 483,768.64 0.00 0.00 99.62136485% 3-15-IO 5.50000% 492,685.57 490,925.01 0.00 0.00 99.64271109% CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT <s> <c> Beginning Balance 0.00 Deposits Payments of Interest and Principal 2,865,733.40 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 0.00 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 2,865,733.40 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 75,310.75 Payment of Interest and Principal 2,790,422.65 Total Withdrawals (Pool Distribution Amount) 2,865,733.40 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 74,241.67 Wells Fargo Bank, N.A. 1,069.08 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 75,310.75 OTHER ACCOUNTS Beginning Current Current Ending Account Type Balance Withdrawals Deposits Balance <s> <c> <c> <c> <c> Class CB-1 Reserve Fund 0.00 0.00 0.00 0.00 Class CB-2 Reserve Fund 0.00 0.00 0.00 0.00 Class CB-6 Reserve Fund 0.00 0.00 0.00 0.00 LOAN STATUS STRATIFICATION/CREDIT ENHANCEMENT STATEMENT DELINQUENCY STATUS DELINQUENT BANKRUPTCY FORECLOSURE REO Total <s> <c> <c> <c> <c> <c> No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 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 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Delinquency Status By Groups DELINQUENT BANKRUPTCY FORECLOSURE REO Total <s> 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% DELINQUENT BANKRUPTCY FORECLOSURE REO Total <s> 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% DELINQUENT BANKRUPTCY FORECLOSURE REO Total <s> 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% OTHER INFORMATION <s> <c> Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 0.00 COLLATERAL STATEMENT Collateral Description Mixed Fixed Weighted Average Gross Coupon 5.976375% Weighted Average Pass-Through Rate 5.722772% Weighted Average Maturity(Stepdown Calculation ) 332 Beginning Scheduled Collateral Loan Count 2,418 Number Of Loans Paid In Full 2 Ending Scheduled Collateral Loan Count 2,416 Beginning Scheduled Collateral Balance 356,360,000.28 Ending Scheduled Collateral Balance 355,269,051.91 Ending Actual Collateral Balance at 29-Apr-2005 355,619,093.12 Monthly P &I Constant 2,268,987.14 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Non-PO Optimal Amount 2,700,642.32 Class AP Deferred Amount 0.00 Scheduled Principal 494,203.08 Unscheduled Principal 596,746.09 Yield Maintenance Payment 0.00 Miscellaneous Reporting Senior % 95.649091% Group Level Collateral Statement Group 1 2 3 Collateral Description Fixed 15 & 30 Year Fixed 15 & 30 Year Fixed 15 & 30 Year Weighted Average Coupon Rate 6.038922 5.335432 5.801197 Weighted Average Net Rate 5.788921 5.085429 5.551193 Weighted Average Maturity 358 179 179 Beginning Loan Count 2,037 111 270 Loans Paid In Full 2 0 0 Ending Loan Count 2,035 111 270 Beginning Scheduled Balance 303,969,946.54 21,115,479.83 31,274,574.71 Ending scheduled Balance 303,071,614.21 21,035,236.86 31,162,200.84 Record Date 04/29/2005 04/29/2005 04/29/2005 Principal And Interest Constant 1,836,794.36 171,127.29 261,065.49 Scheduled Principal 307,085.45 77,243.79 109,873.84 Unscheduled Principal 591,246.88 2,999.18 2,500.03 Scheduled Interest 1,529,708.91 93,883.50 151,191.65 Servicing Fees 63,327.07 4,399.06 6,515.54 Master Servicing Fees 0.00 0.00 0.00 Trustee Fee 911.91 63.35 93.82 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 1,465,469.93 89,421.09 144,582.29 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 5.785320 5.081827 5.547592 Group Level Collateral Statement Group Total Collateral Description Mixed Fixed Weighted Average Coupon Rate 5.976375 Weighted Average Net Rate 5.726374 Weighted Average Maturity 332 Beginning Loan Count 2,418 Loans Paid In Full 2 Ending Loan Count 2,416 Beginning Scheduled Balance 356,360,001.08 Ending scheduled Balance 355,269,051.91 Record Date 04/29/2005 Principal And Interest Constant 2,268,987.14 Scheduled Principal 494,203.08 Unscheduled Principal 596,746.09 Scheduled Interest 1,774,784.06 Servicing Fees 74,241.67 Master Servicing Fees 0.00 Trustee Fee 1,069.08 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 1,699,473.31 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 5.722772 Miscellaneous Reporting Group 1 CPR 2.311601% Subordinate % 4.011134% Subordinate Prepayment % 0.000000% Senior Prepayment % 100.000000% Senior % 95.988866% Group 2 CPR 0.170936% Subordinate % 4.037359% Subordinate Prepayment % 0.000000% Senior Prepayment % 100.000000% Senior % 95.962641% Group 3 CPR 0.096221% Subordinate % 4.030370% Subordinate Prepayment % 0.000000% Senior Prepayment % 100.000000% Senior % 95.969630%