8-K 1 baa03001_dec.txt DECEMBER 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): December 27, 2004 BANC OF AMERICA ALTERNATIVE LOAN TRUST Mortgage Pass-Through Certificates, Series 2003-1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-101500-03 54-2090855 Pooling and Servicing Agreement) (Commission 54-2090856 (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) 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 December 27, 2004 a distribution was made to holders of BANC OF AMERICA ALTERNATIVE LOAN TRUST, Mortgage Pass-Through Certificates, Series 2003-1 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 2003-1 Trust, relating to the December 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. BANC OF AMERICA ALTERNATIVE LOAN TRUST Mortgage Pass-Through Certificates, Series 2003-1 Trust (Registrant) By: Wells Fargo Bank, N.A. as Trustee By: /s/ Beth Belfield as Assistant Vice President By: Beth Belfield as Assistant Vice President Date: 12/27/2004 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2003-1 Trust, relating to the December 27, 2004 distribution. EX-99.1

Banc of America Alternative Loan Trust Mortgage Pass-Through Certificates Record Date: 811/3130/2004 Distribution Date: 912/27/2004 ~~BAA~~Banc of America Alternative Loan Trust Mortgage Pass-Through Certificates Series: 2003-1 Contact: CTSLink Customer Service Wells Fargo Bank, N.A. Corporate Trust Services 9062 Old Annapolis Road Columbia, MD 21045-1951 Telephone: (301) 815-6600 Fax: (301) 815-6600 Certificateholder Distribution Summary Certificate Certificate Beginning Class Pass-Through Certificate Interest Principal Class CUSIP Description Rate Balance Distribution Distribution A-1 05948KAA7 SEN 5.00000% 5954,~~174~~389,~~266~~759.3888 ~~246~~226,~~559~~624.4701 1,~~696~~357,~~725~~487.3005 A-2 05948KAB5 SEN 5.50000% 5954,~~174~~389,~~266~~759.3888 ~~271~~249,~~215~~286.41 1,~~696~~357,~~725~~487.3005 A-3 05948KAC3 SEN 2.~~10500~~67000% 3532,~~504~~633,~~559~~855.1631 6272,~~280~~610.9233 1814,~~018,035~~492.1621 A-4 05948KAD1 SEN 65.~~39500~~83000% 0.00 ~~189~~158,~~209~~546.7315 0.00 A-5 05948KAE9 SEN 6.00000% 1,~~099~~115,~~391~~965.8330 5,~~496~~579.9683 (5,~~496~~579.9683) A-6 05948KAF6 SEN 6.00000% 32,500,000.00 162,500.0100 0.00 A-PO 05948KAK5 PO 0.00000% 1,~~152~~111,~~837~~439.0190 0.00 1413,~~166~~840.5012 A-WIO 05948KAJ8 IO 0.~~33679~~33517% 0.00 4037,~~841~~894.8854 0.00 B-1 05948KAL3 SUB 6.00000% 8,~~453~~424,~~599~~388.6898 42,~~268~~121.0095 9,~~681~~885.5525 B-2 05948KAM1 SUB 6.00000% 3,~~190~~179,~~074~~051.6158 15,~~950~~895.3726 3,~~653~~730.4632 B-3 05948KAN9 SUB 6.00000% 1,~~595~~589,~~037~~525.3079 7,~~975~~947.1963 1,~~826~~865.7316 B-4 05948KAP4 SUB 6.00000% 1,~~276~~272,~~421~~011.9942 6,~~382~~360.1106 1,~~461~~492.8359 B-5 05948KAQ2 SUB 6.00000% ~~956~~953,~~826~~520.3108 4,~~784~~767.1360 1,~~095~~118.8187 B-6 05948KAR0 SUB 6.00000% ~~957~~954,~~527~~218.0944 4,~~787~~771.6409 1,~~096~~119.6269 A-R 05948KAG4 SEN 6.00000% 0.00 0.00 0.00 A-LR 05948KAH2 SEN 6.00000% 0.00 0.00 0.00 SES ANCOF031SES SEN 0.00000% 0.00 369,~~668~~617.6050 0.00 Totals ~~205~~192,~~034~~513,~~807~~496.7456 1,~~096~~004,~~920~~522.4236 43,~~438~~556,~~971~~938.3048

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-1 0.00 5753,~~477~~032,~~541~~272.0884 1,~~943~~584,~~284~~111.7706 0.00 A-2 0.00 5753,~~477~~032,~~541~~272.0884 1,~~967~~606,~~940~~773.7146 0.00 A-3 0.00 3431,~~486~~819,~~523~~363.9910 1887,~~080,316~~102.0854 0.00 A-4 0.00 0.00 ~~189~~158,~~209~~546.7315 0.00 A-5 0.00 1,~~104~~121,~~888~~545.7913 0.00 0.00 A-6 0.00 32,500,000.00 162,500.0100 0.00 A-PO 0.00 1,~~138~~097,~~670~~599.5178 1413,~~166~~840.5012 0.00 A-WIO 0.00 0.00 4037,~~841~~894.8854 0.00 B-1 0.00 8,~~443~~414,~~918~~503.1374 5152,~~949~~007.5520 0.00 B-2 0.00 3,~~186~~175,~~421~~321.1525 19,~~603~~625.8358 0.00 B-3 0.00 1,~~593~~587,~~210~~660.5863 9,~~801~~812.9279 0.00 B-4 0.00 1,~~274~~270,~~960~~518.1583 7,~~843~~852.9465 0.00 B-5 0.00 ~~955~~952,~~730~~401.5021 5,~~879~~886.9447 0.00 B-6 0.00 ~~956~~953,~~430~~098.4875 5,~~884~~890.2678 0.00 A-R 0.00 0.00 0.00 0.00 A-LR 0.00 0.00 0.00 0.00 SES 0.00 0.00 369,~~668~~617.6050 0.00 Totals 0.00 ~~200~~188,~~595~~956,~~836~~558.4410 54,~~535~~561,~~891~~460.7284 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) A-1 105,253,462.00 5954,~~174~~389,~~266~~759.3888 8279,~~672~~117.8071 1,~~614~~278,~~052~~369.5034 0.00 0.00 A-2 105,253,462.00 5954,~~174~~389,~~266~~759.3888 8279,~~672~~117.8071 1,~~614~~278,~~052~~369.5034 0.00 0.00 A-3 63,152,076.00 3532,~~504~~633,~~559~~855.1631 4947,~~603~~470.6862 ~~968~~767,~~431~~021.4859 0.00 0.00 A-4 0.00 0.00 0.00 0.00 0.00 0.00 A-5 1,000,000.00 1,~~099~~115,~~391~~965.8330 0.00 0.00 (5,~~496~~579.9683) 0.00 A-6 32,500,000.00 32,500,000.00 0.00 0.00 0.00 0.00 A-PO 1,480,975.00 1,~~152~~111,~~837~~439.0190 1,~~561~~550.3223 12,~~605~~289.1889 0.00 0.00 A-WIO 0.00 0.00 0.00 0.00 0.00 0.00 B-1 8,623,000.00 8,~~453~~424,~~599~~388.6898 9,~~681~~885.5525 0.00 0.00 0.00 B-2 3,254,000.00 3,~~190~~179,~~074~~051.6158 3,~~653~~730.4632 0.00 0.00 0.00 B-3 1,627,000.00 1,~~595~~589,~~037~~525.3079 1,~~826~~865.7316 0.00 0.00 0.00 B-4 1,302,000.00 1,~~276~~272,~~421~~011.9942 1,~~461~~492.8359 0.00 0.00 0.00 B-5 976,000.00 ~~956~~953,~~826~~520.3108 1,~~095~~118.8187 0.00 0.00 0.00 B-6 976,714.00 ~~957~~954,~~527~~218.0944 1,~~096~~119.6269 0.00 0.00 0.00 A-R 50.00 0.00 0.00 0.00 0.00 0.00 A-LR 50.00 0.00 0.00 0.00 0.00 0.00 SES 0.00 0.00 0.00 0.00 0.00 0.00 Totals 325,398,789.00 ~~205~~192,~~034~~513,~~807~~496.7456 ~~235~~226,~~326~~468.6015 43,~~209~~336,~~141~~050.6616 (5,~~496~~579.9683) 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 A-1 1,~~696~~357,~~725~~487.3005 5753,~~477~~032,~~541~~272.0884 0.~~54608694~~50385300 1,~~696~~357,~~725~~487.3005 A-2 1,~~696~~357,~~725~~487.3005 5753,~~477~~032,~~541~~272.0884 0.~~54608694~~50385300 1,~~696~~357,~~725~~487.3005 A-3 1814,~~018,035~~492.1621 3431,~~486~~819,~~523~~363.9910 0.~~54608694~~50385300 1814,~~018,035~~492.1621 A-4 0.00 0.00 0.00000000 0.00 A-5 (5,~~496~~579.9683) 1,~~104~~121,~~888~~545.7913 1.~~10488879~~12154513 (5,~~496~~579.9683) A-6 0.00 32,500,000.00 1.00000000 0.00 A-PO 1413,~~166~~840.5012 1,~~138~~097,~~670~~599.5178 0.~~76886545~~74113323 1413,~~166~~840.5012 A-WIO 0.00 0.00 0.00000000 0.00 B-1 9,~~681~~885.5525 8,~~443~~414,~~918~~503.1374 0.~~97923207~~97582091 9,~~681~~885.5525 B-2 3,~~653~~730.4632 3,~~186~~175,~~421~~321.1525 0.~~97923207~~97582091 3,~~653~~730.4632 B-3 1,~~826~~865.7316 1,~~593~~587,~~210~~660.5863 0.~~97923207~~97582092 1,~~826~~865.7316 B-4 1,~~461~~492.8359 1,~~274~~270,~~960~~518.1583 0.~~97923207~~97582091 1,~~461~~492.8359 B-5 1,~~095~~118.8187 ~~955~~952,~~730~~401.5021 0.~~97923207~~97582091 1,~~095~~118.8187 B-6 1,~~096~~119.6269 ~~956~~953,~~430~~098.4875 0.~~97923290~~97582173 1,~~096~~119.6269 A-R 0.00 0.00 0.00000000 0.00 A-LR 0.00 0.00 0.00000000 0.00 SES 0.00 0.00 0.00000000 0.00 Totals 43,~~438~~556,~~971~~938.3048 ~~200~~188,~~595~~956,~~836~~558.4410 0.~~61646153~~58069226 43,~~438~~556,~~971~~938.3048

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion A-1 105,253,462.00 ~~562~~516.~~20731609~~75031725 0.~~78546395~~75168748 1512.~~33491126~~14562748 0.00000000 A-2 105,253,462.00 ~~562~~516.~~20731609~~75031725 0.~~78546395~~75168748 1512.~~33491126~~14562748 0.00000000 A-3 63,152,076.00 ~~562~~516.~~20731619~~75031728 0.~~78546396~~75168740 1512.~~33491124~~14562748 0.00000000 A-4 0.00 0.00000000 0.00000000 0.00000000 0.00000000 A-5 1,000,000.00 ~~1099~~1115.~~39183000~~96530000 0.00000000 0.00000000 (5.~~49696000~~57983000) A-6 32,500,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-PO 1,480,975.00 ~~778~~750.~~43110789~~47850234 1.~~05425142~~04676311 8.~~51140634~~29851280 0.00000000 A-WIO 0.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 8,623,000.00 ~~980~~976.~~35482779~~96729445 1.~~12275890~~14638177 0.00000000 0.00000000 B-2 3,254,000.00 ~~980~~976.~~35482790~~96729564 1.~~12275968~~14637984 0.00000000 0.00000000 B-3 1,627,000.00 ~~980~~976.~~35482483~~96729564 1.~~12275968~~14637984 0.00000000 0.00000000 B-4 1,302,000.00 ~~980~~976.~~35483103~~96729647 1.~~12275730~~14638249 0.00000000 0.00000000 B-5 976,000.00 ~~980~~976.~~35482582~~96729508 1.~~12275615~~14638320 0.00000000 0.00000000 B-6 976,714.00 ~~980~~976.~~35565171~~96811963 1.~~12276470~~14638471 0.00000000 0.00000000 A-R 50.00 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 50.00 0.00000000 0.00000000 0.00000000 0.00000000 SES 0.00 0.00000000 0.00000000 0.00000000 0.00000000 (2) All Classes are per $1,000 denomination.

Principal Distribution Factors Statement (continued) Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution A-1 0.00000000 1612.~~12037521~~89731496 ~~546~~503.~~08694087~~85300238 0.~~54608694~~50385300 1612.~~12037521~~89731496 A-2 0.00000000 1612.~~12037521~~89731496 ~~546~~503.~~08694087~~85300238 0.~~54608694~~50385300 1612.~~12037521~~89731496 A-3 0.00000000 1612.~~12037520~~89731489 ~~546~~503.~~08694083~~85300239 0.~~54608694~~50385300 1612.~~12037520~~89731489 A-4 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-5 0.00000000 (5.~~49696000~~57983000) 1,~~104~~121.~~88879000~~54513000 1.~~10488879~~12154513 (5.~~49696000~~57983000) A-6 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 A-PO 0.00000000 9.~~56565776~~34527592 ~~768~~741.~~86545013~~13322642 0.~~76886545~~74113323 9.~~56565776~~34527592 A-WIO 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 1.~~12275890~~14638177 ~~979~~975.~~23206889~~82091384 0.~~97923207~~97582091 1.~~12275890~~14638177 B-2 0.00000000 1.~~12275968~~14637984 ~~979~~975.~~23206822~~82091272 0.~~97923207~~97582091 1.~~12275968~~14637984 B-3 0.00000000 1.~~12275968~~14637984 ~~979~~975.~~23207130~~82091580 0.~~97923207~~97582092 1.~~12275968~~14637984 B-4 0.00000000 1.~~12275730~~14638249 ~~979~~975.~~23206605~~82091398 0.~~97923207~~97582091 1.~~12275730~~14638249 B-5 0.00000000 1.~~12275615~~14638320 ~~979~~975.~~23206967~~82091189 0.~~97923207~~97582091 1.~~12275615~~14638320 B-6 0.00000000 1.~~12276470~~14638471 ~~979~~975.~~23289725~~82173492 0.~~97923290~~97582173 1.~~12276470~~14638471 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 SES 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 A-1 105,253,462.00 5.00000% 5954,~~174~~389,~~266~~759.3888 ~~246~~226,~~559~~624.4400 0.00 0.00 A-2 105,253,462.00 5.50000% 5954,~~174~~389,~~266~~759.3888 ~~271~~249,~~215~~286.3940 0.00 0.00 A-3 63,152,076.00 2.~~10500~~67000% 3532,~~504~~633,~~559~~855.1631 6272,~~280~~610.9133 0.00 0.00 A-4 0.00 65.~~39500~~83000% 3532,~~504~~633,~~559~~855.1631 ~~189~~158,~~209~~546.7115 0.00 0.00 A-5 1,000,000.00 6.00000% 1,~~099~~115,~~391~~965.8330 5,~~496~~579.9683 0.00 0.00 A-6 32,500,000.00 6.00000% 32,500,000.00 162,500.00 0.00 0.00 A-PO 1,480,975.00 0.00000% 1,~~152~~111,~~837~~439.0190 0.00 0.00 0.00 A-WIO 0.00 0.~~33679~~33517% ~~145~~135,~~521~~671,~~513~~960.6384 4037,~~841~~894.8853 0.00 0.00 B-1 8,623,000.00 6.00000% 8,~~453~~424,~~599~~388.6898 42,~~268~~121.0094 0.00 0.00 B-2 3,254,000.00 6.00000% 3,~~190~~179,~~074~~051.6158 15,~~950~~895.3726 0.00 0.00 B-3 1,627,000.00 6.00000% 1,~~595~~589,~~037~~525.3079 7,~~975~~947.1963 0.00 0.00 B-4 1,302,000.00 6.00000% 1,~~276~~272,~~421~~011.9942 6,~~382~~360.1106 0.00 0.00 B-5 976,000.00 6.00000% ~~956~~953,~~826~~520.3108 4,~~784~~767.1360 0.00 0.00 B-6 976,714.00 6.00000% ~~957~~954,~~527~~218.0944 4,~~787~~771.6409 0.00 0.00 A-R 50.00 6.00000% 0.00 0.00 0.00 0.00 A-LR 50.00 6.00000% 0.00 0.00 0.00 0.00 SES 0.00 0.00000% ~~205~~192,~~034~~513,~~807~~496.7555 0.00 0.00 0.00 Totals 325,398,789.00 1994,~~060,251~~904.7382 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 A-1 (0.0201) 0.00 ~~246~~226,~~559~~624.4701 0.00 5753,~~477~~032,~~541~~272.0884 A-2 (0.0201) 0.00 ~~271~~249,~~215~~286.41 0.00 5753,~~477~~032,~~541~~272.0884 A-3 (0.~~01)~~00 0.00 6272,~~280~~610.9233 0.00 3431,~~486~~819,~~523~~363.9910 A-4 (0.~~02)~~00 0.00 ~~189~~158,~~209~~546.7315 0.00 3431,~~486~~819,~~523~~363.9910 A-5 0.00 0.00 5,~~496~~579.9683 0.00 1,~~104~~121,~~888~~545.7913 A-6 (0.~~01)~~00 0.00 162,500.0100 0.00 32,500,000.00 A-PO 0.00 0.00 0.00 0.00 1,~~138~~097,~~670~~599.5178 A-WIO 0.00 0.00 4037,~~841~~894.8854 0.00 ~~141~~133,~~662~~081,~~725~~183.0172 B-1 0.00 0.00 42,~~268~~121.0095 0.00 8,~~443~~414,~~918~~503.1374 B-2 0.00 0.00 15,~~950~~895.3726 0.00 3,~~186~~175,~~421~~321.1525 B-3 0.00 0.00 7,~~975~~947.1963 0.00 1,~~593~~587,~~210~~660.5863 B-4 0.00 0.00 6,~~382~~360.1106 0.00 1,~~274~~270,~~960~~518.1583 B-5 0.00 0.00 4,~~784~~767.1360 0.00 ~~955~~952,~~730~~401.5021 B-6 0.00 0.00 4,~~787~~771.6409 0.00 ~~956~~953,~~430~~098.4875 A-R 0.00 0.00 0.00 0.00 0.00 A-LR 0.00 0.00 0.00 0.00 0.00 SES 0.00 0.00 369,~~668~~617.6050 0.00 ~~200~~188,~~595~~956,~~836~~558.4408 Totals (0.0802) 0.00 1,~~096~~004,~~920~~522.4236 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 A-1 105,253,462.00 5.00000% ~~562~~516.~~20731609~~75031725 2.~~34253045~~15312633 0.00000000 0.00000000 A-2 105,253,462.00 5.50000% ~~562~~516.~~20731609~~75031725 2.~~57678356~~36843896 0.00000000 0.00000000 A-3 63,152,076.00 2.~~10500~~67000% ~~562~~516.~~20731619~~75031728 01.~~98620527~~14976949 0.00000000 0.00000000 A-4 0.00 65.~~39500~~83000% ~~562~~516.~~20731619~~75031728 2.~~99609644~~51054534 0.00000000 0.00000000 A-5 1,000,000.00 6.00000% ~~1099~~1115.~~39183000~~96530000 5.~~49696000~~57983000 0.00000000 0.00000000 A-6 32,500,000.00 6.00000% 1000.00000000 5.00000000 0.00000000 0.00000000 A-PO 1,480,975.00 0.00000% ~~778~~750.~~43110789~~47850234 0.00000000 0.00000000 0.00000000 A-WIO 0.00 0.~~33679~~33517% ~~597~~556.~~21494478~~79274205 0.~~16761357~~15551776 0.00000000 0.00000000 B-1 8,623,000.00 6.00000% ~~980~~976.~~35482779~~96729445 4.~~90177432~~88483590 0.00000000 0.00000000 B-2 3,254,000.00 6.00000% ~~980~~976.~~35482790~~96729564 4.~~90177320~~88483712 0.00000000 0.00000000 B-3 1,627,000.00 6.00000% ~~980~~976.~~35482483~~96729564 4.~~90177628~~88483712 0.00000000 0.00000000 B-4 1,302,000.00 6.00000% ~~980~~976.~~35483103~~96729647 4.~~90177419~~88483871 0.00000000 0.00000000 B-5 976,000.00 6.00000% ~~980~~976.~~35482582~~96729508 4.~~90177254~~88483607 0.00000000 0.00000000 B-6 976,714.00 6.00000% ~~980~~976.~~35565171~~96811963 4.~~90178292~~88483835 0.00000000 0.00000000 A-R 50.00 6.00000% 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 50.00 6.00000% 0.00000000 0.00000000 0.00000000 0.00000000 SES 0.00 0.00000% ~~630~~591.~~10316781~~62327291 0.00000000 0.00000000 0.00000000 (5) All Classes are per $1,000 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 A-1 (0.~~00000019~~00000010) 0.00000000 2.~~34253074~~15312642 0.00000000 ~~546~~503.~~08694087~~85300238 A-2 (0.~~00000019~~00000010) 0.00000000 2.~~57678375~~36843905 0.00000000 ~~546~~503.~~08694087~~85300238 A-3 (0.~~00000016)~~00000000 0.00000000 01.~~98620543~~14976949 0.00000000 ~~546~~503.~~08694083~~85300239 A-4 (0.~~00000032)~~00000000 0.00000000 2.~~99609676~~51054534 0.00000000 ~~546~~503.~~08694083~~85300239 A-5 0.00000000 0.00000000 5.~~49696000~~57983000 0.00000000 ~~1104~~1121.~~88879000~~54513000 A-6 (0.~~00000031)~~00000000 0.00000000 5.~~00000031~~00000000 0.00000000 1000.00000000 A-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~768~~741.~~86545013~~13322642 A-WIO 0.00000000 0.00000000 0.~~16761357~~15551780 0.00000000 ~~581~~546.~~37861807~~16028794 B-1 0.00000000 0.00000000 4.~~90177432~~88483706 0.00000000 ~~979~~975.~~23206889~~82091384 B-2 0.00000000 0.00000000 4.~~90177320~~88483712 0.00000000 ~~979~~975.~~23206822~~82091272 B-3 0.00000000 0.00000000 4.~~90177628~~88483712 0.00000000 ~~979~~975.~~23207130~~82091580 B-4 0.00000000 0.00000000 4.~~90177419~~88483871 0.00000000 ~~979~~975.~~23206605~~82091398 B-5 0.00000000 0.00000000 4.~~90177254~~88483607 0.00000000 ~~979~~975.~~23206967~~82091189 B-6 0.00000000 0.00000000 4.~~90178292~~88483835 0.00000000 ~~979~~975.~~23289725~~82173492 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 SES 0.00000000 0.00000000 0.~~11268819~~02955604 0.00000000 ~~616~~580.~~46153342~~69225968 (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 54,~~545~~570,~~716~~685.3146 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 54,~~545~~570,~~716~~685.3146 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 9,~~824~~224.5962 Payment of Interest and Principal 54,~~535~~561,~~891~~460.7284 Total Withdrawals (Pool Distribution Amount) 54,~~545~~570,~~716~~685.3146 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee 8,~~543~~021.1140 Trustee Fee 1,~~281~~203.4822 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 9,~~824~~224.5962

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 1 10 0 21 91109,~~919~~529.4250 ~~40,169~~0.9400 0.00 ~~132~~109,~~089~~529.3650 30 Days 611 0 0 0 611 ~~584~~1,~~874~~574,783.2220 0.00 0.00 0.00 ~~584~~1,~~874~~574,783.2220 60 Days 10 0 0 0 10 ~~200,760~~0.0700 0.00 0.00 0.00 ~~200,760~~0.0700 90 Days 01 0 01 0 02 088,148.0075 0.00 063,588.0082 0.00 0151,737.0057 120 Days 3 0 0 1 0 13 337,351.47 0.00 0.00 ~~284,419.34~~ 0.00 ~~284~~337,~~419~~351.3447 150 Days 1 0 0 0 1 ~~554~~552,~~387~~686.7448 0.00 0.00 0.00 ~~554~~552,~~387~~686.7448 180+ Days 21 0 01 0 2 ~~137~~51,~~767~~289.7358 0.00 086,478.0015 0.00 137,767.73 Totals 1017 1 2 0 1320 12,~~477~~604,~~789~~259.7648 91109,~~919~~529.4250 ~~324~~150,~~589~~066.2897 0.00 12,~~894~~863,~~298~~855.4695 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.~~061576~~064599% 0.~~061576~~000000% 0.000000% 0.~~123153~~064599% 0.~~045777~~057904% 0.~~020005~~000000% 0.000000% 0.~~065782~~057904% 30 Days 0.~~369458~~710594% 0.000000% 0.000000% 0.000000% 0.~~369458~~710594% 0.~~291274~~832527% 0.000000% 0.000000% 0.000000% 0.~~291274~~832527% 60 Days 0.~~061576~~000000% 0.000000% 0.000000% 0.000000% 0.~~061576~~000000% 0.~~099981~~000000% 0.000000% 0.000000% 0.000000% 0.~~099981~~000000% 90 Days 0.~~000000~~064599% 0.000000% 0.~~000000~~064599% 0.000000% 0.~~000000~~129199% 0.~~000000~~046601% 0.000000% 0.~~000000~~033617% 0.000000% 0.~~000000~~080218% 120 Days 0.~~000000~~193798% 0.000000% 0.~~061576~~000000% 0.000000% 0.~~061576~~193798% 0.~~000000~~178345% 0.000000% 0.~~141644~~000000% 0.000000% 0.~~141644~~178345% 150 Days 0.~~061576~~064599% 0.000000% 0.000000% 0.000000% 0.~~061576~~064599% 0.~~276092~~292184% 0.000000% 0.000000% 0.000000% 0.~~276092~~292184% 180+ Days 0.~~123153~~064599% 0.000000% 0.~~000000~~064599% 0.000000% 0.~~123153~~129199% 0.~~068610~~027115% 0.000000% 0.~~000000~~045718% 0.000000% 0.~~068610~~072832% Totals 01.~~615764~~098191% 0.~~061576~~064599% 0.~~123153~~129199% 0.000000% 01.~~800493~~291990% 01.~~735957~~376771% 0.~~045777~~057904% 0.~~161649~~079335% 0.000000% 01.~~943384~~514009%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 1117,~~276~~366.1317

SUBORDINATION LEVEL/CLASS PERCENTAGE AND PREPAYMENT PERCENTAGE Current Original $ Original % Current $ Current % Class% Prepayment% Class A 18,239,689.00 5.60533401% 17,~~549~~451,~~341~~104.5019 89.~~74860706~~23551126% 91.~~772333~~294797% 0.000000% Class B-1 8,135,714.00 2.50022873% 7,~~966~~939,~~752~~000.8667 34.~~97154448~~20149517% 4.~~233449~~479160% 51.453826% Class B-2 4,881,714.00 1.50022501% 4,~~780~~763,~~331~~679.7142 2.~~38306627~~52104477% 1.~~597547~~690269% 19.416763% Class B-3 3,254,714.00 1.00022314% 3,~~187~~176,~~121~~018.1379 1.~~58882716~~68081956% 0.~~798773~~845134% 9.708382% Class B-4 1,952,714.00 0.60009873% 1,~~912~~905,~~160~~499.9896 01.~~95324061~~00843283% 0.~~639215~~676315% 7.769092% Class B-5 976,714.00 0.30015908% ~~956~~953,~~430~~098.4875 0.~~47679478~~50440099% 0.~~479166~~506977% 5.823836% Class B-6 0.00 0.00000000% 0.00 0.00000000% 0.~~479517~~507348% 5.828101% Please Refer to the Prospectus Supplement for a Full Description of Loss Exposure

COLLATERAL STATEMENT Collateral Description Mixed Fixed & Arm Weighted Average Gross Coupon 6.~~462799~~459069% Weighted Average Pass-Through Rate 6.~~205298~~201569% Weighted Average Maturity(Stepdown Calculation ) ~~333~~330 Beginning Scheduled Collateral Loan Count 1,~~654~~571 Number Of Loans Paid In Full 3023 Ending Scheduled Collateral Loan Count 1,~~624~~548 Beginning Scheduled Collateral Balance ~~205~~192,~~034~~513,~~807~~496.7555 Ending Scheduled Collateral Balance ~~200~~188,~~595~~956,~~836~~558.4408 Ending Actual Collateral Balance at 3130-~~Aug~~Nov-2004 ~~200~~189,~~798~~157,~~323~~113.8702 Monthly P &I Constant 1,~~339~~262,~~307~~357.6895 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 54,~~384~~436,~~093~~927.0972 Class AP Deferred Amount 0.00 Ending Scheduled Balance for Premium Loans ~~200~~188,~~595~~956,~~836~~558.4408 Scheduled Principal ~~235~~226,~~058~~142.7793 Unscheduled Principal 43,~~203~~330,~~912~~795.54

Miscellaneous Reporting Priority % 1516.~~940595~~979964% CPR 2218.~~033160~~916037% Senior % 91.~~941668~~445904% Senior Prepayment % 100.000000% Subordinate % 8.~~058332~~554096% Subordinate Prepayment % 0.000000%

Filing Compare · BANC OF AMERICA MORT SEC INC ALTERNATIVE LOAN TRUST 2003-1