8-K 1 baa05001_10505.txt 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 2005-1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-118843-11 Pooling and Servicing Agreement) (Commission 54-2165628 (State or other File Number) 54-2165629 jurisdiction IRS EIN 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 May 25, 2005 a distribution was made to holders of BANC OF AMERICA ALTERNATIVE LOAN TRUST, Mortgage Pass-Through Certificates, Series 2005-1 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 2005-1 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 2005-1 Trust (Registrant) By: Wells Fargo Bank, N.A. as Trustee By: /s/ Beth Belfield as Officer By: Beth Belfield as Officer Date: 5/25/2005 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2005-1 Trust, relating to the May 25, 2005 distribution. EX-99.1

Banc of America Alternative Loan Trust Mortgage Pass-Through Certificates Record Date: 14/3129/2005 Distribution Date: 25/25/2005 Banc of America Alternative Loan Trust Mortgage Pass-Through Certificates Series 2005-1 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 1-CB-1 05949AK66 SEN 5.25000% ~~183~~177,~~469~~688,~~000~~565.0040 ~~802~~777,~~676~~387.8847 1,~~380~~765,~~638~~661.5406 1-CB-R 05949AL32 SEN 5.50000% 500.00 0.5600 500.00 1-CB-LR 05949AL40 SEN 5.50000% 500.00 0.2300 500.00 1-CB-2 05949AK74 SEN 5.50000% 23,189,000.00 106,282.92 0.00 1-CB-3 05949AK82 SEN 5.50000% 0.00 3837,~~222~~018.7145 0.00 1-CB-4 05949AK90 SEN 5.50000% 10,000,000.00 45,833.33 0.00 1-CB-5 05949AL24 SEN 5.50000% 4,639,000.00 21,262.08 0.00 CB-IO 05949AL57 SEN 5.50000% 0.00 7168,~~509~~947.5671 0.00 2-A-1 05949AL99 SEN 5.50000% 4241,~~857~~680,~~000~~294.0078 ~~196~~191,~~427~~034.9268 ~~384~~232,~~934~~552.2115 30-PO 05949AL65 PO 0.00000% ~~272~~270,~~074~~896.8988 0.00 ~~325~~324.2362 15-IO 05949AL81 SEN 5.50000% 0.00 1,~~673~~619.9205 0.00 15-PO 05949AL73 PO 0.00000% 1,~~719~~681,~~983~~756.1490 0.00 97,~~861~~976.5260 B-1 05949AM23 SUB 5.50000% 5,~~850~~824,~~000~~915.0063 26,~~812~~697.5053 8,~~303~~456.5424 B-2 05949AM31 SUB 5.50000% 2,~~089~~080,~~000~~042.0052 9,~~574~~533.5853 23,~~965~~019.1467 B-3 05949AM49 SUB 5.50000% 1,~~392~~386,~~000~~031.0021 6,~~380~~352.0064 12,~~975~~012.8215 B-4 05949AM56 SUB 5.50000% 1,~~115~~110,~~000~~218.0096 5,~~110~~088.4250 1,~~582~~611.6474 B-5 05949AM64 SUB 5.50000% ~~835~~831,~~000~~419.0058 3,~~827~~810.0867 1,~~185~~207.2100 B-6 05949AM72 SUB 5.50000% 1,~~114~~110,~~926~~145.0028 5,~~110~~088.0817 1,~~582~~611.5461 Totals ~~278~~271,~~542~~492,~~084~~287.0314 1,~~340~~305,~~704~~956.7773 12,~~793~~024,~~454~~432.3984

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1-CB-1 0.00 ~~182~~175,~~088~~922,~~361~~904.4634 2,~~183~~543,~~315~~048.4253 0.00 1-CB-R 0.00 0.00 500.5600 0.00 1-CB-LR 0.00 0.00 500.2300 0.00 1-CB-2 0.00 23,189,000.00 106,282.92 0.00 1-CB-3 0.00 0.00 3837,~~222~~018.7145 0.00 1-CB-4 0.00 10,000,000.00 45,833.33 0.00 1-CB-5 0.00 4,639,000.00 21,262.08 0.00 CB-IO 0.00 0.00 7168,~~509~~947.5671 0.00 2-A-1 0.00 4241,~~472~~447,~~065~~742.7962 ~~581~~423,~~362~~586.1383 0.00 30-PO 0.00 ~~271~~270,~~749~~572.6627 ~~325~~324.2362 0.00 15-IO 0.00 0.00 1,~~673~~619.9205 0.00 15-PO 0.00 1,~~710~~673,~~121~~780.6229 97,~~861~~976.5260 0.00 B-1 0.00 5,~~841~~816,~~696~~459.4638 35,~~116~~153.0477 0.00 B-2 0.00 2,~~086~~077,~~034~~022.8685 12,~~539~~553.7220 0.00 B-3 0.00 1,~~390~~384,~~024~~019.1805 8,~~355~~364.8279 0.00 B-4 0.00 1,~~113~~108,~~417~~607.3622 6,~~693~~700.0624 0.00 B-5 0.00 ~~833~~830,~~814~~212.7958 5,~~012~~017.2967 0.00 B-6 0.00 1,~~113~~108,~~343~~533.4667 6,~~692~~699.6278 0.00 Totals 0.00 ~~276~~269,~~748~~467,~~629~~854.6427 3,~~134~~330,~~159~~389.1657 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) 1-CB-1 183,469,000.00 ~~183~~177,~~469~~688,~~000~~565.0040 ~~217~~216,~~873~~851.2253 1,~~162~~548,~~765~~809.3353 0.00 0.00 1-CB-R 50.00 500.00 70.8900 420.1100 0.00 0.00 1-CB-LR 50.00 500.00 70.8900 420.1100 0.00 0.00 1-CB-2 23,189,000.00 23,189,000.00 0.00 0.00 0.00 0.00 1-CB-3 0.00 0.00 0.00 0.00 0.00 0.00 1-CB-4 10,000,000.00 10,000,000.00 0.00 0.00 0.00 0.00 1-CB-5 4,639,000.00 4,639,000.00 0.00 0.00 0.00 0.00 CB-IO 0.00 0.00 0.00 0.00 0.00 0.00 2-A-1 42,857,000.00 4241,~~857~~680,~~000~~294.0078 153,~~458~~546.4879 ~~231~~79,~~475~~005.7437 0.00 0.00 30-PO 272,074.89 ~~272~~270,~~074~~896.8988 ~~300~~305.8301 2419.4061 0.00 0.00 15-IO 0.00 0.00 0.00 0.00 0.00 0.00 15-PO 1,719,983.14 1,~~719~~681,~~983~~756.1490 6,~~349~~392.3247 31,~~512~~584.1913 0.00 0.00 B-1 5,850,000.00 5,~~850~~824,~~000~~915.0063 8,~~303~~456.5424 0.00 0.00 0.00 B-2 2,089,000.00 2,~~089~~080,~~000~~042.0052 23,~~965~~019.1467 0.00 0.00 0.00 B-3 1,392,000.00 1,~~392~~386,~~000~~031.0021 12,~~975~~012.8215 0.00 0.00 0.00 B-4 1,115,000.00 1,~~115~~110,~~000~~218.0096 1,~~582~~611.6474 0.00 0.00 0.00 B-5 835,000.00 ~~835~~831,~~000~~419.0058 1,~~185~~207.2100 0.00 0.00 0.00 B-6 1,114,926.00 1,~~114~~110,~~926~~145.0028 1,~~582~~611.5461 0.00 0.00 0.00 Totals 278,542,084.03 ~~278~~271,~~542~~492,~~084~~287.0314 395,~~592~~014.5221 1,~~397~~629,~~861~~418.8864 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 1-CB-1 1,~~380~~765,~~638~~661.5406 ~~182~~175,~~088~~922,~~361~~904.4634 0.~~99247481~~95886991 1,~~380~~765,~~638~~661.5406 1-CB-R 500.00 0.00 0.00000000 500.00 1-CB-LR 500.00 0.00 0.00000000 500.00 1-CB-2 0.00 23,189,000.00 1.00000000 0.00 1-CB-3 0.00 0.00 0.00000000 0.00 1-CB-4 0.00 10,000,000.00 1.00000000 0.00 1-CB-5 0.00 4,639,000.00 1.00000000 0.00 CB-IO 0.00 0.00 0.00000000 0.00 2-A-1 ~~384~~232,~~934~~552.2115 4241,~~472~~447,~~065~~742.7962 0.~~99101817~~96711722 ~~384~~232,~~934~~552.2115 30-PO ~~325~~324.2362 ~~271~~270,~~749~~572.6627 0.~~99880463~~99447718 ~~325~~324.2362 15-IO 0.00 0.00 0.00000000 0.00 15-PO 97,~~861~~976.5260 1,~~710~~673,~~121~~780.6229 0.~~99426650~~97313761 97,~~861~~976.5260 B-1 8,~~303~~456.5424 5,~~841~~816,~~696~~459.4638 0.~~99858059~~99426656 8,~~303~~456.5424 B-2 23,~~965~~019.1467 2,~~086~~077,~~034~~022.8685 0.~~99858059~~99426656 23,~~965~~019.1467 B-3 12,~~975~~012.8215 1,~~390~~384,~~024~~019.1805 0.~~99858059~~99426656 12,~~975~~012.8215 B-4 1,~~582~~611.6474 1,~~113~~108,~~417~~607.3622 0.~~99858059~~99426657 1,~~582~~611.6474 B-5 1,~~185~~207.2100 ~~833~~830,~~814~~212.7958 0.~~99858059~~99426656 1,~~185~~207.2100 B-6 1,~~582~~611.5461 1,~~113~~108,~~343~~533.4667 0.~~99858059~~99426659 1,~~582~~611.5461 Totals 12,~~793~~024,~~454~~432.3984 ~~276~~269,~~748~~467,~~629~~854.6427 0.~~99356128~~96742241 12,~~793~~024,~~454~~432.3984

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-CB-1 183,469,000.00 ~~1000~~968.~~00000000~~49367141 1.~~18752062~~18195188 68.~~33766647~~44180505 0.00000000 1-CB-R 50.00 ~~1000~~0.00000000 ~~157~~0.~~80000000~~00000000 ~~842~~0.~~20000000~~00000000 0.00000000 1-CB-LR 50.00 ~~1000~~0.00000000 ~~157~~0.~~80000000~~00000000 ~~842~~0.~~20000000~~00000000 0.00000000 1-CB-2 23,189,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 1-CB-3 0.00 0.00000000 0.00000000 0.00000000 0.00000000 1-CB-4 10,000,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 1-CB-5 4,639,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 CB-IO 0.00 0.00000000 0.00000000 0.00000000 0.00000000 2-A-1 42,857,000.00 ~~1000~~972.~~00000000~~54345334 3.~~58070980~~58277038 51.~~40111860~~84346478 0.00000000 30-PO 272,074.89 ~~1000~~995.~~00000000~~67027299 1.~~10568822~~12105163 0.~~08968119~~07207574 0.00000000 15-IO 0.00 0.00000000 0.00000000 0.00000000 0.00000000 15-PO 1,719,983.14 ~~1000~~977.~~00000000~~77522401 3.~~69150130~~71658876 20.~~04199095~~92101484 0.00000000 B-1 5,850,000.00 ~~1000~~995.~~00000000~~71207350 1.~~41940855~~44551111 0.00000000 0.00000000 B-2 2,089,000.00 ~~1000~~995.~~00000000~~71207276 1.~~41940641~~44550981 0.00000000 0.00000000 B-3 1,392,000.00 ~~1000~~995.~~00000000~~71207615 1.~~41941092~~44551006 0.00000000 0.00000000 B-4 1,115,000.00 ~~1000~~995.~~00000000~~71207175 1.~~41940807~~44550673 0.00000000 0.00000000 B-5 835,000.00 ~~1000~~995.~~00000000~~71207186 1.~~41941317~~44550898 0.00000000 0.00000000 B-6 1,114,926.00 ~~1000~~995.~~00000000~~71207416 1.~~41941259~~44548607 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 1-CB-1 0.00000000 79.~~52518703~~62375693 ~~992~~958.~~47481297~~86991448 0.~~99247481~~95886991 79.~~52518703~~62375693 1-CB-R 0.00000000 ~~1,000~~0.00000000 0.00000000 0.00000000 ~~1,000~~0.00000000 1-CB-LR 0.00000000 ~~1,000~~0.00000000 0.00000000 0.00000000 ~~1,000~~0.00000000 1-CB-2 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 1-CB-3 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 1-CB-4 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 1-CB-5 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 CB-IO 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 2-A-1 0.00000000 85.~~98182817~~42623492 ~~991~~967.~~01817183~~11721819 0.~~99101817~~96711722 85.~~98182817~~42623492 30-PO 0.00000000 1.~~19536941~~19312738 ~~998~~994.~~80463059~~47718237 0.~~99880463~~99447718 1.~~19536941~~19312738 15-IO 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 15-PO 0.00000000 54.~~73349806~~63760360 ~~994~~973.~~26650194~~13761459 0.~~99426650~~97313761 54.~~73349806~~63760360 B-1 0.00000000 1.~~41940855~~44551111 ~~998~~994.~~58059145~~26656068 0.~~99858059~~99426656 1.~~41940855~~44551111 B-2 0.00000000 1.~~41940641~~44550981 ~~998~~994.~~58059359~~26656295 0.~~99858059~~99426656 1.~~41940641~~44550981 B-3 0.00000000 1.~~41941092~~44551006 ~~998~~994.~~58058908~~26655891 0.~~99858059~~99426656 1.~~41941092~~44551006 B-4 0.00000000 1.~~41940807~~44550673 ~~998~~994.~~58059193~~26656502 0.~~99858059~~99426657 1.~~41940807~~44550673 B-5 0.00000000 1.~~41941317~~44550898 ~~998~~994.~~58058683~~26656287 0.~~99858059~~99426656 1.~~41941317~~44550898 B-6 0.00000000 1.~~41941259~~44548607 ~~998~~994.~~58058741~~26658810 0.~~99858059~~99426659 1.~~41941259~~44548607 (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 1-CB-1 183,469,000.00 5.25000% ~~183~~177,~~469~~688,~~000~~565.0040 ~~802~~777,~~676~~387.8847 0.00 0.00 1-CB-R 50.00 5.50000% 500.00 0.2300 0.00 0.00 1-CB-LR 50.00 5.50000% 500.00 0.2300 0.00 0.00 1-CB-2 23,189,000.00 5.50000% 23,189,000.00 106,282.92 0.00 0.00 1-CB-3 0.00 5.50000% 8,~~339~~076,~~500~~752.0097 3837,~~222~~018.7145 0.00 0.00 1-CB-4 10,000,000.00 5.50000% 10,000,000.00 45,833.33 0.00 0.00 1-CB-5 4,639,000.00 5.50000% 4,639,000.00 21,262.08 0.00 0.00 CB-IO 0.00 5.50000% 15,~~602~~043,~~085~~137.0635 7168,~~509~~947.5671 0.00 0.00 2-A-1 42,857,000.00 5.50000% 4241,~~857~~680,~~000~~294.0078 ~~196~~191,~~427~~034.9268 0.00 0.00 30-PO 272,074.89 0.00000% ~~272~~270,~~074~~896.8988 0.00 0.00 0.00 15-IO 0.00 5.50000% ~~365~~353,~~219~~247.5859 1,~~673~~619.9205 0.00 0.00 15-PO 1,719,983.14 0.00000% 1,~~719~~681,~~983~~756.1490 0.00 0.00 0.00 B-1 5,850,000.00 5.50000% 5,~~850~~824,~~000~~915.0063 26,~~812~~697.5053 0.00 0.00 B-2 2,089,000.00 5.50000% 2,~~089~~080,~~000~~042.0052 9,~~574~~533.5853 0.00 0.00 B-3 1,392,000.00 5.50000% 1,~~392~~386,~~000~~031.0021 6,~~380~~352.0064 0.00 0.00 B-4 1,115,000.00 5.50000% 1,~~115~~110,~~000~~218.0096 5,~~110~~088.4250 0.00 0.00 B-5 835,000.00 5.50000% ~~835~~831,~~000~~419.0058 3,~~827~~810.0867 0.00 0.00 B-6 1,114,926.00 5.50000% 1,~~114~~110,~~926~~145.0028 5,~~110~~088.0817 0.00 0.00 Totals 278,542,084.03 1,~~340~~305,~~704~~956.4473 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 1-CB-1 0.00 0.00 ~~802~~777,~~676~~387.8847 0.00 ~~182~~175,~~088~~922,~~361~~904.4634 1-CB-R 0.00 0.00 0.5600 0.00 0.00 1-CB-LR 0.00 0.00 0.2300 0.00 0.00 1-CB-2 0.00 0.00 106,282.92 0.00 23,189,000.00 1-CB-3 0.00 0.00 3837,~~222~~018.7145 0.00 87,~~276~~996,~~743~~495.7065 1-CB-4 0.00 0.00 45,833.33 0.00 10,000,000.00 1-CB-5 0.00 0.00 21,262.08 0.00 4,639,000.00 CB-IO 0.00 0.00 7168,~~509~~947.5671 0.00 1514,~~473~~885,~~190~~171.7615 2-A-1 0.00 0.00 ~~196~~191,~~427~~034.9268 0.00 4241,~~472~~447,~~065~~742.7962 30-PO 0.00 0.00 0.00 0.00 ~~271~~270,~~749~~572.6627 15-IO 0.00 0.00 1,~~673~~619.9205 0.00 ~~363~~350,~~818~~644.1237 15-PO 0.00 0.00 0.00 0.00 1,~~710~~673,~~121~~780.6229 B-1 0.00 0.00 26,~~812~~697.5053 0.00 5,~~841~~816,~~696~~459.4638 B-2 0.00 0.00 9,~~574~~533.5853 0.00 2,~~086~~077,~~034~~022.8685 B-3 0.00 0.00 6,~~380~~352.0064 0.00 1,~~390~~384,~~024~~019.1805 B-4 0.00 0.00 5,~~110~~088.4250 0.00 1,~~113~~108,~~417~~607.3622 B-5 0.00 0.00 3,~~827~~810.0867 0.00 ~~833~~830,~~814~~212.7958 B-6 0.00 0.00 5,~~110~~088.0817 0.00 1,~~113~~108,~~343~~533.4667 Totals 0.00 0.00 1,~~340~~305,~~704~~956.7773 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 1-CB-1 183,469,000.00 5.25000% ~~1000~~968.~~00000000~~49367141 4.~~37500003~~23715979 0.00000000 0.00000000 1-CB-R 50.00 5.50000% ~~1000~~0.00000000 40.~~60000000~~00000000 0.00000000 0.00000000 1-CB-LR 50.00 5.50000% ~~1000~~0.00000000 40.~~60000000~~00000000 0.00000000 0.00000000 1-CB-2 23,189,000.00 5.50000% 1000.00000000 4.58333348 0.00000000 0.00000000 1-CB-3 0.00 5.50000% ~~1000~~968.~~00000000~~49367108 4.~~58333353~~43892919 0.00000000 0.00000000 1-CB-4 10,000,000.00 5.50000% 1000.00000000 4.58333300 0.00000000 0.00000000 1-CB-5 4,639,000.00 5.50000% 1000.00000000 4.58333261 0.00000000 0.00000000 CB-IO 0.00 5.50000% ~~1000~~964.~~00000000~~17480690 4.~~58333356~~41913435 0.00000000 0.00000000 2-A-1 42,857,000.00 5.50000% ~~1000~~972.~~00000000~~54345334 4.~~58333341~~45749072 0.00000000 0.00000000 30-PO 272,074.89 0.00000% ~~1000~~995.~~00000000~~67027299 0.00000000 0.00000000 0.00000000 15-IO 0.00 5.50000% ~~1000~~967.~~00000000~~21974764 4.~~58332491~~43308653 0.00000000 0.00000000 15-PO 1,719,983.14 0.00000% ~~1000~~977.~~00000000~~77522401 0.00000000 0.00000000 0.00000000 B-1 5,850,000.00 5.50000% ~~1000~~995.~~00000000~~71207350 4.~~58333333~~56368034 0.00000000 0.00000000 B-2 2,089,000.00 5.50000% ~~1000~~995.~~00000000~~71207276 4.~~58333174~~56368119 0.00000000 0.00000000 B-3 1,392,000.00 5.50000% ~~1000~~995.~~00000000~~71207615 4.~~58333333~~56367816 0.00000000 0.00000000 B-4 1,115,000.00 5.50000% ~~1000~~995.~~00000000~~71207175 4.~~58333632~~56367713 0.00000000 0.00000000 B-5 835,000.00 5.50000% ~~1000~~995.~~00000000~~71207186 4.~~58332934~~56367665 0.00000000 0.00000000 B-6 1,114,926.00 5.50000% ~~1000~~995.~~00000000~~71207416 4.~~58333558~~56368405 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 1-CB-1 0.00000000 0.00000000 4.~~37500003~~23715979 0.00000000 ~~992~~958.~~47481297~~86991448 1-CB-R 0.00000000 0.00000000 110.~~20000000~~00000000 0.00000000 0.00000000 1-CB-LR 0.00000000 0.00000000 40.~~60000000~~00000000 0.00000000 0.00000000 1-CB-2 0.00000000 0.00000000 4.58333348 0.00000000 1000.00000000 1-CB-3 0.00000000 0.00000000 4.~~58333353~~43892919 0.00000000 ~~992~~958.~~47481264~~86991426 1-CB-4 0.00000000 0.00000000 4.58333300 0.00000000 1000.00000000 1-CB-5 0.00000000 0.00000000 4.58333261 0.00000000 1000.00000000 CB-IO 0.00000000 0.00000000 4.~~58333356~~41913435 0.00000000 ~~991~~954.~~73864906~~05012168 2-A-1 0.00000000 0.00000000 4.~~58333341~~45749072 0.00000000 ~~991~~967.~~01817183~~11721819 30-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~998~~994.~~80463059~~47718237 15-IO 0.00000000 0.00000000 4.~~58332491~~43308653 0.00000000 ~~996~~960.~~16269204~~09192607 15-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~994~~973.~~26650194~~13761459 B-1 0.00000000 0.00000000 4.~~58333333~~56368034 0.00000000 ~~998~~994.~~58059145~~26656068 B-2 0.00000000 0.00000000 4.~~58333174~~56368119 0.00000000 ~~998~~994.~~58059359~~26656295 B-3 0.00000000 0.00000000 4.~~58333333~~56367816 0.00000000 ~~998~~994.~~58058908~~26655891 B-4 0.00000000 0.00000000 4.~~58333632~~56367713 0.00000000 ~~998~~994.~~58059193~~26656502 B-5 0.00000000 0.00000000 4.~~58332934~~56367665 0.00000000 ~~998~~994.~~58058683~~26656287 B-6 0.00000000 0.00000000 4.~~58333558~~56368405 0.00000000 ~~998~~994.~~58058741~~26658810 (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 3,~~194~~389,~~626~~326.0002 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 3,~~194~~389,~~626~~326.0002 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 6058,~~466~~936.8445 Payment of Interest and Principal 3,~~134~~330,~~159~~389.1657 Total Withdrawals (Pool Distribution Amount) 3,~~194~~389,~~626~~326.0002 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee 5856,~~029~~560.6089 Trustee Fee: Wells Fargo Bank, N.A. 2,~~437~~375.2456 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 6058,~~466~~936.8445

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 01 0 0 01 0332,247.0041 0.00 0.00 0332,247.0041 30 Days 09 0 0 0 09 01,675,807.0051 0.00 0.00 0.00 01,675,807.0051 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 01 0 0 0 01 087,800.00 0.00 0.00 0.00 087,800.00 120 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 010 01 0 0 011 01,763,607.0051 0332,247.0041 0.00 0.00 02,095,854.0092 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~~050710% 0.000000% 0.000000% 0.~~000000~~050710% 0.~~000000~~123152% 0.000000% 0.000000% 0.~~000000~~123152% 30 Days 0.~~000000~~456389% 0.000000% 0.000000% 0.000000% 0.~~000000~~456389% 0.~~000000~~621160% 0.000000% 0.000000% 0.000000% 0.~~000000~~621160% 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~~050710% 0.000000% 0.000000% 0.000000% 0.~~000000~~050710% 0.~~000000~~032544% 0.000000% 0.000000% 0.000000% 0.~~000000~~032544% 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~~507099% 0.~~000000~~050710% 0.000000% 0.000000% 0.~~000000~~557809% 0.~~000000~~653704% 0.~~000000~~123152% 0.000000% 0.000000% 0.~~000000~~776856%

Delinquency Status By Groups DELINQUENT BANKRUPTCY FORECLOSURE REO Total 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 0332,247.0041 0.00 0.00 0332,247.0041 30 Days 06 0 0 0 06 01,108,292.0050 0.00 0.00 0.00 01,108,292.0050 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 01 0 0 0 01 087,800.00 0.00 0.00 0.00 087,800.00 120 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 07 01 0 0 08 01,196,092.0050 0332,247.0041 0.00 0.00 01,528,339.0091 0-29 Days 0.~~000000~~063573% 0.000000% 0.000000% 0.~~000000~~063573% 0.~~000000~~148007% 0.000000% 0.000000% 0.~~000000~~148007% 30 Days 0.~~000000~~381437% 0.000000% 0.000000% 0.000000% 0.~~000000~~381437% 0.~~000000~~493714% 0.000000% 0.000000% 0.000000% 0.~~000000~~493714% 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~~063573% 0.000000% 0.000000% 0.000000% 0.~~000000~~063573% 0.~~000000~~039113% 0.000000% 0.000000% 0.000000% 0.~~000000~~039113% 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~~445010% 0.~~000000~~063573% 0.000000% 0.000000% 0.~~000000~~508582% 0.~~000000~~532827% 0.~~000000~~148007% 0.000000% 0.000000% 0.~~000000~~680834% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 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 03 0 0 0 03 0567,515.0001 0.00 0.00 0.00 0567,515.0001 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 03 0 0 0 03 0567,515.0001 0.00 0.00 0.00 0567,515.0001 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~000000~~751880% 0.000000% 0.000000% 0.000000% 0.~~000000~~751880% 01.~~000000~~252622% 0.000000% 0.000000% 0.000000% 01.~~000000~~252622% 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~~751880% 0.000000% 0.000000% 0.000000% 0.~~000000~~751880% 01.~~000000~~252622% 0.000000% 0.000000% 0.000000% 01.~~000000~~252622%

COLLATERAL STATEMENT Collateral Description Mixed Fixed Weighted Average Gross Coupon 6.~~036452~~032849% Weighted Average Pass-Through Rate 5.~~775948~~772348% Weighted Average Maturity(Stepdown Calculation ) ~~328~~325 Beginning Scheduled Collateral Loan Count 21,~~027~~983 Number Of Loans Paid In Full 811 Ending Scheduled Collateral Loan Count 21,~~019~~972 Beginning Scheduled Collateral Balance ~~278~~271,~~542~~492,~~084~~287.0353 Ending Scheduled Collateral Balance ~~276~~269,~~748~~467,~~630~~854.0665 Ending Actual Collateral Balance at 3129-~~Jan~~Apr-2005 ~~277~~269,~~043~~786,~~872~~748.8687 Monthly P &I Constant 1,~~796~~759,~~764~~907.1250 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 3,~~049~~247,~~562~~598.5591 Class AP Deferred Amount 0.00 Scheduled Principal 395,~~592~~014.5124 Unscheduled Principal 1,~~397~~629,~~861~~418.8764

Group Level Collateral Statement Group 1 2 Total Collateral Description Fixed 15 & 30 Year Fixed 15 & 30 Year Mixed Fixed Weighted Average Coupon Rate 6.~~124102~~119879 5.~~600787~~599616 6.~~036452~~032849 Weighted Average Net Rate 5.~~874101~~869880 5.~~350786~~349613 5.~~786451~~782849 Weighted Average Maturity ~~358~~355 ~~179~~176 ~~328~~325 Beginning Loan Count 1,~~618~~583 ~~409~~400 21,~~027~~983 Loans Paid In Full 610 21 811 Ending Loan Count 1,~~612~~573 ~~407~~399 21,~~019~~972 Beginning Scheduled Balance ~~231~~226,~~888~~076,~~973~~543.8102 4645,~~653~~415,~~110~~744.6351 ~~278~~271,~~542~~492,~~084~~287.4453 Ending scheduled Balance ~~230~~224,~~497~~300,~~749~~204.1753 4645,~~250~~167,~~880~~650.8912 ~~276~~269,~~748~~467,~~630~~854.0665 Record Date 0104/3129/2005 0104/3129/2005 0104/3129/2005 Principal And Interest Constant 1,~~411~~380,~~777~~477.2001 ~~384~~379,~~986~~430.9249 1,~~796~~759,~~764~~907.1250 Scheduled Principal ~~228~~227,~~350~~509.7035 167,~~241~~504.8189 395,~~592~~014.5124 Unscheduled Principal 1,~~162~~548,~~873~~829.9414 ~~234~~80,~~987~~589.9350 1,~~397~~629,~~861~~418.8764 Scheduled Interest 1,~~183~~152,~~426~~967.5066 ~~217~~211,~~745~~925.1160 1,~~401~~364,~~171~~893.6126 Servicing Fees 4847,~~310~~099.2028 9,~~719~~461.4061 5856,~~029~~560.6089 Master Servicing Fees 0.00 0.00 0.00 Trustee Fee 21,~~029~~978.0317 ~~408~~397.2139 2,~~437~~375.2456 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,~~133~~103,~~087~~890.2721 ~~207~~202,~~617~~066.5060 1,~~340~~305,~~704~~956.7781 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.~~863599~~859379 5.~~340281~~339113 5.~~775948~~772348

Miscellaneous Reporting Group 1 CPR 57.~~860124~~925961% Subordinate % 4.~~455547~~556609% Subordinate Prepayment % 0.000000% Senior Prepayment % 100.000000% Senior % 95.~~544453~~443391% Group 2 CPR 52.~~900205~~116451% Subordinate % 4.~~620483~~695874% Subordinate Prepayment % 0.000000% Senior Prepayment % 100.000000% Senior % 95.~~379517~~304126%

Filing Compare · Banc of America Alternative Loan Trust Mortgage Pass-Through Certificates Series 2005-1