8-K 1 mal03003.txt DECEMBER 8-K 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 26, 2003 MASTR ALTERNATIVE LOAN TRUST Mortgage Pass-Through Certificates, Series 2003-3 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-101254-05 54-2120387 Pooling and Servicing Agreement) (Commission 54-2120386 (State or other File Number) IRS EIN jurisdiction of Incorporation) c/o Wells Fargo Bank Minnesota, 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 December 26, 2003 a distribution was made to holders of MASTR ALTERNATIVE LOAN TRUST, Mortgage Pass-Through Certificates, Series 2003-3 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 2003-3 Trust, relating to the December 26, 2003 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. MASTR ALTERNATIVE LOAN TRUST Mortgage Pass-Through Certificates, Series 2003-3 Trust By: Wells Fargo Bank Minnesota, N.A. as Master Servicer By: /s/ Beth Belfield as Assistant Vice President By: Beth Belfield as Assistant Vice President Date: 12/30/03 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2003-3 Trust, relating to the December 26, 2003 distribution. EX-99.1

MASTR Alternative Loan Trust Mortgage Pass-Through Certificates Record Date: 911/30/03 Distribution Date: 1012/2726/03 MAL Series: 2003-3 Contact: Customer Service - CTSLink Wells Fargo Bank Minnesota, 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-A1 576434DT8 SEN 6.50000% 6460,~~125~~318,~~853~~410.7910 ~~347~~326,~~056~~184.7332 2,~~190~~743,~~342~~040.2036 A-R 576434EB6 RES 6.00000% 0.00 0.00 0.00 2-A1 576434DV3 SEN 8.50000% 6058,~~856~~886,~~812~~445.4629 ~~430~~416,~~707~~422.1542 ~~988~~974,~~725~~606.3879 2-A2 576434DW1 SEN 4.50000% ~~101~~98,~~428~~144,~~020~~075.7649 ~~380~~367,~~035~~431.7255 1,~~647~~624,~~875~~344.6365 2-A3 576434DX9 SEN 6.00000% 6846,~~127~~165,~~294~~096.5316 ~~340~~230,~~350~~443.4670 107,~~808~~586,~~567~~730.8093 2-A4 576434DY7 SEN 6.00000% 0.00 0.00 0.00 2-A5 576434DZ4 SEN 6.00000% 10,690,000.00 53,~~405~~361.1259 0.00 2-PO 576434EA8 PO 0.00000% 1,~~494~~380,~~251~~734.1692 0.00 ~~109~~2,~~738~~389.0240 A-X 576434DU5 IO 6.00000% 0.00 ~~192~~169,~~809~~944.0573 0.00 B1 576434EC4 SUB 6.~~09354~~09356% 13,~~060~~037,~~794~~036.3005 66,~~266~~092.3816 1112,~~806~~094.6446 B2 576434ED2 SUB 6.~~09354~~09356% 6,~~529~~518,~~899~~021.3715 33,~~130~~043.6656 56,~~902~~046.8777 B3 576434EE0 SUB 6.~~09354~~09356% 4,~~353~~345,~~598~~678.1068 22,~~088~~030.7972 34,~~935~~031.5549 B4 576434EF7 SUB 6.~~09354~~09356% 2,~~394~~389,~~329~~974.6221 12,~~148~~116.0814 2,~~164~~217.4218 B5 576434EG5 SUB 6.~~09354~~09356% 1,~~959~~955,~~268~~704.4847 9,~~940~~914.7158 1,~~771~~814.1331 B6 576434EH3 SUB 6.~~09354~~09356% 2,~~177~~173,~~633~~672.3411 11,~~048~~019.6358 12,~~968~~016.5352 Totals ~~337~~306,~~197~~004,~~755~~848.9163 1,~~898~~718,~~987~~005.4805 1512,~~772~~959,~~798~~332.1786

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1-A1 0.00 6157,~~935~~575,~~511~~369.5974 23,~~537~~069,~~398~~224.9368 0.00 A-R 0.00 0.00 0.00 0.00 2-A1 0.00 5957,~~868~~911,~~087~~838.0850 1,~~419~~391,~~432~~029.5321 0.00 2-A2 0.00 9996,~~780~~519,~~145~~730.1384 21,~~027~~991,~~911~~776.3520 0.00 2-A3 0.00 5738,~~318~~578,~~726~~365.7223 117,~~148~~817,~~918~~174.2663 0.00 2-A4 0.00 0.00 0.00 0.00 2-A5 0.00 10,690,000.00 53,~~405~~361.1259 0.00 2-PO 0.00 1,~~384~~378,~~513~~345.1352 ~~109~~2,~~738~~389.0240 0.00 A-X 0.00 0.00 ~~192~~169,~~809~~944.0573 0.00 B1 0.00 13,~~048~~024,~~987~~941.6659 78,~~073~~186.0262 0.00 B2 0.00 6,~~523~~511,~~996~~974.5038 39,~~033~~090.5333 0.00 B3 0.00 4,~~349~~341,~~662~~647.5520 26,~~024~~062.3421 0.00 B4 0.00 2,~~392~~387,~~165~~757.2103 14,~~312~~333.5032 0.00 B5 0.00 1,~~957~~953,~~497~~890.3516 11,~~711~~728.8489 0.00 B6 0.00 2,~~175~~171,~~664~~655.8160 13,~~017~~036.1610 0.00 Totals 0.00 ~~321~~293,~~424~~045,~~957~~515.7379 1714,~~671~~677,~~785~~337.6591 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-A1 76,038,000.00 6460,~~125~~318,~~853~~410.7910 5048,~~867~~679.8503 2,~~139~~694,~~474~~361.3533 0.00 0.00 A-R 100.00 0.00 0.00 0.00 0.00 0.00 2-A1 65,908,125.00 6058,~~856~~886,~~812~~445.4629 1619,~~479~~554.3425 ~~972~~955,~~246~~052.0454 0.00 0.00 2-A2 109,846,875.00 ~~101~~98,~~428~~144,~~020~~075.7649 2732,~~465~~590.5742 1,~~620~~591,~~410~~754.0623 0.00 0.00 2-A3 135,290,000.00 6846,~~127~~165,~~294~~096.5316 ~~180~~152,~~149~~218.2017 107,~~628~~434,~~418~~512.6076 0.00 0.00 2-A4 7,105,000.00 0.00 0.00 0.00 0.00 0.00 2-A5 10,690,000.00 10,690,000.00 0.00 0.00 0.00 0.00 2-PO 1,810,154.00 1,~~494~~380,~~251~~734.1692 2,~~339~~317.8204 ~~107,398~~72.2036 0.00 0.00 A-X 0.00 0.00 0.00 0.00 0.00 0.00 B1 13,119,000.00 13,~~060~~037,~~794~~036.3005 1112,~~806~~094.6446 0.00 0.00 0.00 B2 6,559,000.00 6,~~529~~518,~~899~~021.3715 56,~~902~~046.8777 0.00 0.00 0.00 B3 4,373,000.00 4,~~353~~345,~~598~~678.1068 34,~~935~~031.5549 0.00 0.00 0.00 B4 2,405,000.00 2,~~394~~389,~~329~~974.6221 2,~~164~~217.4218 0.00 0.00 0.00 B5 1,968,000.00 1,~~959~~955,~~268~~704.4847 1,~~771~~814.1331 0.00 0.00 0.00 B6 2,187,338.00 2,~~177~~173,~~633~~672.3411 12,~~968~~016.5352 0.00 0.00 0.00 Totals 437,299,592.00 ~~337~~306,~~197~~004,~~755~~848.9163 ~~304~~283,~~850~~579.9264 1512,~~467~~675,~~947~~753.2522 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-A1 2,~~190~~743,~~342~~040.2036 6157,~~935~~575,~~511~~369.5974 0.~~81453368~~75719206 2,~~190~~743,~~342~~040.2036 A-R 0.00 0.00 0.00000000 0.00 2-A1 ~~988~~974,~~725~~606.3879 5957,~~868~~911,~~087~~838.0850 0.~~90835670~~87867525 ~~988~~974,~~725~~606.3879 2-A2 1,~~647~~624,~~875~~344.6365 9996,~~780~~519,~~145~~730.1384 0.~~90835670~~87867525 1,~~647~~624,~~875~~344.6365 2-A3 107,~~808~~586,~~567~~730.8093 5738,~~318~~578,~~726~~365.7223 0.~~42367305~~28515312 107,~~808~~586,~~567~~730.8093 2-A4 0.00 0.00 0.00000000 0.00 2-A5 0.00 10,690,000.00 1.00000000 0.00 2-PO ~~109~~2,~~738~~389.0240 1,~~384~~378,~~513~~345.1352 0.~~76485930~~76145208 ~~109~~2,~~738~~389.0240 A-X 0.00 0.00 0.00000000 0.00 B1 1112,~~806~~094.6446 13,~~048~~024,~~987~~941.6659 0.~~99466329~~99283037 1112,~~806~~094.6446 B2 56,~~902~~046.8777 6,~~523~~511,~~996~~974.5038 0.~~99466329~~99283037 56,~~902~~046.8777 B3 34,~~935~~031.5549 4,~~349~~341,~~662~~647.5520 0.~~99466329~~99283037 34,~~935~~031.5549 B4 2,~~164~~217.4218 2,~~392~~387,~~165~~757.2103 0.~~99466329~~99283037 2,~~164~~217.4218 B5 1,~~771~~814.1331 1,~~957~~953,~~497~~890.3516 0.~~99466329~~99283037 1,~~771~~814.1331 B6 12,~~968~~016.5352 2,~~175~~171,~~664~~655.8160 0.~~99466329~~99283037 12,~~968~~016.5352 Totals 1512,~~772~~959,~~798~~332.1786 ~~321~~293,~~424~~045,~~957~~515.7379 0.~~73502231~~67012529 1512,~~772~~959,~~798~~332.1786

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-A1 76,038,000.00 ~~843~~793.~~33956430~~26665746 0.~~66897933~~64019346 2835.~~13690983~~43440556 0.00000000 A-R 100.00 0.00000000 0.00000000 0.00000000 0.00000000 2-A1 65,908,125.00 ~~923~~893.~~35827275~~46260859 0.~~25003503~~29668952 14.~~75153541~~49066469 0.00000000 2-A2 109,846,875.00 ~~923~~893.~~35827269~~46260865 0.~~25003506~~29668955 14.~~75153535~~49066466 0.00000000 2-A3 135,290,000.00 ~~503~~341.~~56489415~~23066125 1.~~33157809~~12512506 7854.~~56026757~~95241895 0.00000000 2-A4 7,105,000.00 0.00000000 0.00000000 0.00000000 0.00000000 2-A5 10,690,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 2-PO 1,810,154.00 ~~825~~762.~~48289262~~77207354 1.~~29260825~~28002369 590.~~33097405~~03997450 0.00000000 A-X 0.00 0.00000000 0.00000000 0.00000000 0.00000000 B1 13,119,000.00 ~~995~~993.~~56325177~~75227151 0.~~89996494~~92190411 0.00000000 0.00000000 B2 6,559,000.00 ~~995~~993.~~56325202~~75227169 0.~~89996493~~92190425 0.00000000 0.00000000 B3 4,373,000.00 ~~995~~993.~~56325177~~75227075 0.~~89996570~~92190487 0.00000000 0.00000000 B4 2,405,000.00 ~~995~~993.~~56325156~~75227027 0.~~89996674~~92190437 0.00000000 0.00000000 B5 1,968,000.00 ~~995~~993.~~56325203~~75227134 0.~~89996443~~92190549 0.00000000 0.00000000 B6 2,187,338.00 ~~995~~993.~~56325543~~75227331 0.~~89996608~~92190599 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-A1 0.00000000 2836.~~80588916~~07459902 ~~814~~757.~~53367514~~19205844 0.~~81453368~~75719206 2836.~~80588916~~07459902 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 2-A1 0.00000000 1514.~~00157044~~78735421 ~~908~~878.~~35670230~~67525438 0.~~90835670~~87867525 1514.~~00157044~~78735421 2-A2 0.00000000 1514.~~00157041~~78735421 ~~908~~878.~~35670227~~67525444 0.~~90835670~~87867525 1514.~~00157041~~78735421 2-A3 0.00000000 7956.~~89184566~~07754402 ~~423~~285.~~67304841~~15311723 0.~~42367305~~28515312 7956.~~89184566~~07754402 2-A4 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 2-A5 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 2-PO 0.00000000 601.~~62358230~~31999819 ~~764~~761.~~85930479~~45207535 0.~~76485930~~76145208 601.~~62358230~~31999819 A-X 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B1 0.00000000 0.~~89996494~~92190411 ~~994~~992.~~66328684~~83036741 0.~~99466329~~99283037 0.~~89996494~~92190411 B2 0.00000000 0.~~89996493~~92190425 ~~994~~992.~~66328709~~83036743 0.~~99466329~~99283037 0.~~89996493~~92190425 B3 0.00000000 0.~~89996570~~92190487 ~~994~~992.~~66328607~~83036817 0.~~99466329~~99283037 0.~~89996570~~92190487 B4 0.00000000 0.~~89996674~~92190437 ~~994~~992.~~66328898~~83036590 0.~~99466329~~99283037 0.~~89996674~~92190437 B5 0.00000000 0.~~89996443~~92190549 ~~994~~992.~~66328760~~83036585 0.~~99466329~~99283037 0.~~89996443~~92190549 B6 0.00000000 0.~~89996608~~92190599 ~~994~~992.~~66328935~~83037189 0.~~99466329~~99283037 0.~~89996608~~92190599 (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-A1 76,038,000.00 6.50000% 6460,~~125~~318,~~853~~410.7910 ~~347~~326,~~348~~724.3772 0.00 0.00 A-R 100.00 6.00000% 0.00 0.00 0.00 0.00 2-A1 65,908,125.00 8.50000% 6058,~~856~~886,~~812~~445.4629 ~~431~~417,~~069~~112.0932 0.00 0.00 2-A2 109,846,875.00 4.50000% ~~101~~98,~~428~~144,~~020~~075.7649 ~~380~~368,~~355~~040.0828 0.00 0.00 2-A3 135,290,000.00 6.00000% 6846,~~127~~165,~~294~~096.5316 ~~340~~230,~~636~~825.4748 0.00 0.00 2-A4 7,105,000.00 6.00000% 0.00 0.00 0.00 0.00 2-A5 10,690,000.00 6.00000% 10,690,000.00 53,450.00 0.00 0.00 2-PO 1,810,154.00 0.00000% 1,~~494~~380,~~251~~734.1692 0.00 0.00 0.00 A-X 0.00 6.00000% 3834,~~594~~045,~~215~~256.0987 ~~192~~170,~~971~~226.0828 0.00 0.00 B1 13,119,000.00 6.~~09354~~09356% 13,~~060~~037,~~794~~036.3005 66,~~322~~201.0765 0.00 0.00 B2 6,559,000.00 6.~~09354~~09356% 6,~~529~~518,~~899~~021.3715 33,~~158~~098.5130 0.00 0.00 B3 4,373,000.00 6.~~09354~~09356% 4,~~353~~345,~~598~~678.1068 22,~~107~~067.3622 0.00 0.00 B4 2,405,000.00 6.~~09354~~09356% 2,~~394~~389,~~329~~974.6221 12,~~158~~136.2921 0.00 0.00 B5 1,968,000.00 6.~~09354~~09356% 1,~~959~~955,~~268~~704.4847 9,~~949~~931.0701 0.00 0.00 B6 2,187,338.00 6.~~09354~~09356% 2,~~177~~173,~~633~~672.3411 11,~~057~~037.9184 0.00 0.00 Totals 437,299,592.00 1,~~900~~720,~~583~~851.3031 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-A1 ~~291~~540.6440 0.00 ~~347~~326,~~056~~184.7332 0.00 6157,~~935~~575,~~511~~369.5974 A-R 0.00 0.00 0.00 0.00 0.00 2-A1 ~~361~~689.9490 0.00 ~~430~~416,~~707~~422.1542 0.00 5957,~~868~~911,~~087~~838.0850 2-A2 ~~319~~608.3673 0.00 ~~380~~367,~~035~~431.7255 0.00 9996,~~780~~519,~~145~~730.1384 2-A3 ~~286~~381.0178 0.00 ~~340~~230,~~350~~443.4670 0.00 5738,~~318~~578,~~726~~365.7223 2-A4 0.00 0.00 0.00 0.00 0.00 2-A5 ~~44.~~88.41 0.00 53,~~405~~361.1259 0.00 10,690,000.00 2-PO 0.00 0.00 0.00 0.00 1,~~384~~378,~~513~~345.1352 A-X ~~162~~281.0255 0.00 ~~192~~169,~~809~~944.0573 0.00 3631,~~618~~577,~~403~~433.8068 B1 55109.6950 0.00 66,~~266~~092.3816 0.00 13,~~048~~024,~~987~~941.6659 B2 2754.8474 0.00 33,~~130~~043.6656 0.00 6,~~523~~511,~~996~~974.5038 B3 1836.5650 0.00 22,~~088~~030.7972 0.00 4,~~349~~341,~~662~~647.5520 B4 1020.2107 0.00 12,~~148~~116.0814 0.00 2,~~392~~387,~~165~~757.2103 B5 816.3543 0.00 9,~~940~~914.7158 0.00 1,~~957~~953,~~497~~890.3516 B6 918.2826 0.00 11,~~048~~019.6358 0.00 2,~~175~~171,~~664~~655.8160 Totals 12,~~595~~846.7827 0.00 1,~~898~~718,~~987~~005.4805 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-A1 76,038,000.00 6.50000% ~~843~~793.~~33956430~~26665746 4.~~56808924~~29686104 0.00000000 0.00000000 A-R 100.00 6.00000% 0.00000000 0.00000000 0.00000000 0.00000000 2-A1 65,908,125.00 8.50000% ~~923~~893.~~35827275~~46260859 6.~~54045446~~32869347 0.00000000 0.00000000 2-A2 109,846,875.00 4.50000% ~~923~~893.~~35827269~~46260865 3.~~46259354~~35048475 0.00000000 0.00000000 2-A3 135,290,000.00 6.00000% ~~503~~341.~~56489415~~23066125 21.~~51782445~~70615330 0.00000000 0.00000000 2-A4 7,105,000.00 6.00000% 0.00000000 0.00000000 0.00000000 0.00000000 2-A5 10,690,000.00 6.00000% 1000.00000000 5.00000000 0.00000000 0.00000000 2-PO 1,810,154.00 0.00000% ~~825~~762.~~48289262~~77207354 0.00000000 0.00000000 0.00000000 A-X 0.00 6.00000% ~~756~~667.~~84662222~~63989382 3.~~78423320~~33819938 0.00000000 0.00000000 B1 13,119,000.00 6.~~09354~~09356% ~~995~~993.~~56325177~~75227151 5.~~05542114~~04624209 0.00000000 0.00000000 B2 6,559,000.00 6.~~09354~~09356% ~~995~~993.~~56325202~~75227169 5.~~05542156~~04624181 0.00000000 0.00000000 B3 4,373,000.00 6.~~09354~~09356% ~~995~~993.~~56325177~~75227075 5.~~05542191~~04624285 0.00000000 0.00000000 B4 2,405,000.00 6.~~09354~~09356% ~~995~~993.~~56325156~~75227027 5.~~05542204~~04624116 0.00000000 0.00000000 B5 1,968,000.00 6.~~09354~~09356% ~~995~~993.~~56325203~~75227134 5.~~05542175~~04624492 0.00000000 0.00000000 B6 2,187,338.00 6.~~09354~~09356% ~~995~~993.~~56325543~~75227331 5.~~05541896~~04624342 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-A1 0.~~00383545~~00710697 0.00000000 4.~~56425379~~28975407 0.00000000 ~~814~~757.~~53367514~~19205844 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 2-A1 0.~~00549158~~01046760 0.00000000 6.~~53496287~~31822586 0.00000000 ~~908~~878.~~35670230~~67525438 2-A2 0.~~00290732~~00554162 0.00000000 3.~~45968622~~34494313 0.00000000 ~~908~~878.~~35670227~~67525444 2-A3 0.~~00211405~~00282194 0.00000000 21.~~51571040~~70333136 0.00000000 ~~423~~285.~~67304841~~15311723 2-A4 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 2-A5 0.~~00419832~~00827035 0.00000000 4.~~99580168~~99172965 0.00000000 1000.00000000 2-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~764~~761.~~85930479~~45207535 A-X 0.~~00317727~~00552130 0.00000000 3.~~78105573~~33267809 0.00000000 ~~718~~619.~~10024281~~24498175 B1 0.~~00424499~~00834667 0.00000000 5.~~05117616~~03789618 0.00000000 ~~994~~992.~~66328684~~83036741 B2 0.~~00424455~~00834578 0.00000000 5.~~05117548~~03789602 0.00000000 ~~994~~992.~~66328709~~83036743 B3 0.~~00424423~~00834667 0.00000000 5.~~05117539~~03789618 0.00000000 ~~994~~992.~~66328607~~83036817 B4 0.~~00424532~~00834511 0.00000000 5.~~05117672~~03789605 0.00000000 ~~994~~992.~~66328898~~83036590 B5 0.~~00424289~~00834858 0.00000000 5.~~05117378~~03789634 0.00000000 ~~994~~992.~~66328760~~83036585 B6 0.~~00424260~~00834805 0.00000000 5.~~05117636~~03789538 0.00000000 ~~994~~992.~~66328935~~83037189 (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 1714,~~654~~616,~~115~~226.51 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) ~~111~~142,~~092~~997.0518 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 1714,~~765~~759,~~207~~223.5669 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 9381,~~421~~885.9178 Payment of Interest and Principal 1714,~~671~~677,~~785~~337.6591 Total Withdrawals (Pool Distribution Amount) 1714,~~765~~759,~~207~~223.5669 Ending Balance 0.00

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall 12,~~595~~846.7827 Servicing Fee Support 0.00 Non-Supported Prepayment/Curtailment Interest Shortfall 12,~~595~~846.7827

SERVICING FEES Gross Servicing Fee 9381,~~267~~765.5666 Master Servicing Fee ~~154~~120.3512 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 9381,~~421~~885.9178

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 2 0 0 2 ~~492~~491,~~304~~567.4567 0.00 0.00 ~~492~~491,~~304~~567.4567 30 Days 4053 0 0 0 4053 1017,~~456~~095,~~935~~563.0306 0.00 0.00 0.00 1017,~~456~~095,~~935~~563.0306 60 Days 74 0 0 0 74 1,~~487~~140,~~443~~688.4594 0.00 0.00 0.00 1,~~487~~140,~~443~~688.4594 90 Days 40 0 0 0 40 ~~1,448,647~~0.7200 0.00 0.00 0.00 ~~1,448,647~~0.7200 120 Days 21 0 31 0 52 ~~715~~308,~~168~~045.5950 0.00 195,~~512,097~~383.5622 0.00 2403,~~227,266~~428.1572 150 Days 0 0 2 0 2 0.00 0.00 ~~541~~942,~~255~~152.7972 0.00 ~~541~~942,~~255~~152.7972 180+ Days 0 0 12 0 1 3 0.00 0.00 ~~483~~1,~~850~~082,670.6004 ~~0.00~~ 483,850.60 1,566,520.64 Totals 5358 2 65 01 6166 1418,~~108~~544,~~194~~297.7950 ~~492~~491,~~304~~567.4567 2,~~537~~120,~~203~~205.9598 0483,850.0060 1721,~~137~~639,~~703~~921.1975 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.~~191388~~206186% 0.000000% 0.000000% 0.~~191388~~206186% 0.~~153034~~167590% 0.000000% 0.000000% 0.~~153034~~167590% 30 Days 35.~~827751~~463918% 0.000000% 0.000000% 0.000000% 35.~~827751~~463918% 35.~~250554~~828381% 0.000000% 0.000000% 0.000000% 35.~~250554~~828381% 60 Days 0.~~669856~~412371% 0.000000% 0.000000% 0.000000% 0.~~669856~~412371% 0.~~462374~~388894% 0.000000% 0.000000% 0.000000% 0.~~462374~~388894% 90 Days 0.~~382775~~000000% 0.000000% 0.000000% 0.000000% 0.~~382775~~000000% 0.~~450314~~000000% 0.000000% 0.000000% 0.000000% 0.~~450314~~000000% 120 Days 0.~~191388~~103093% 0.000000% 0.~~287081~~103093% 0.000000% 0.~~478469~~206186% 0.~~222311~~105022% 0.000000% 0.~~470038~~032519% 0.000000% 0.~~692349~~137541% 150 Days 0.000000% 0.000000% 0.~~191388~~206186% 0.000000% 0.~~191388~~206186% 0.000000% 0.000000% 0.~~168250~~321208% 0.000000% 0.~~168250~~321208% 180+ Days 0.000000% 0.000000% 0.~~095694~~206186% 0.~~000000~~103093% 0.~~095694~~309278% 0.000000% 0.000000% 0.~~150406~~369114% 0.~~000000~~164959% 0.~~150406~~534073% Totals 5.~~071770~~979381% 0.~~191388~~206186% 0.~~574163~~515464% 0.~~000000~~103093% 56.~~837321~~804124% 46.~~385553~~322297% 0.~~153034~~167590% 0.~~788694~~722841% 0.~~000000~~164959% 57.~~327280~~377686%

Delinquency Status By Groups

DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group 1 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 1 0 0 1 137,~~574~~360.5970 0.00 0.00 137,~~574~~360.5970 30 Days 2223 0 0 0 2223 45,~~653~~344,~~994~~465.1528 0.00 0.00 0.00 45,~~653~~344,~~994~~465.1528 60 Days 2 0 0 0 2 ~~440~~518,~~254~~888.7100 0.00 0.00 0.00 ~~440~~518,~~254~~888.7100 90 Days 20 0 0 0 20 ~~483,503~~0.0500 0.00 0.00 0.00 ~~483,503~~0.0500 120 Days 1 0 10 0 21 ~~103~~308,~~524~~045.7350 0.00 ~~169,328~~0.8600 0.00 ~~272~~308,~~853~~045.5950 150 Days 0 0 01 0 01 0.00 0.00 0294,199.0044 0.00 0294,199.0044 180 Days 0 0 01 0 01 0.00 0.00 0169,328.0086 0.00 0169,328.0086 Totals 2726 1 12 0 29 56,~~681~~171,~~276~~398.6478 137,~~574~~360.5970 ~~169~~463,~~328~~528.8630 0.00 56,~~988~~772,~~180~~287.0978 0-29 Days 0.~~336700~~357143% 0.000000% 0.000000% 0.~~336700~~357143% 0.~~203263~~216938% 0.000000% 0.000000% 0.~~203263~~216938% 30 Days 78.~~407407~~214286% 0.000000% 0.000000% 0.000000% 78.~~407407~~214286% 68.~~876154~~440660% 0.000000% 0.000000% 0.000000% 68.~~876154~~440660% 60 Days 0.~~673401~~714286% 0.000000% 0.000000% 0.000000% 0.~~673401~~714286% 0.~~650465~~819494% 0.000000% 0.000000% 0.000000% 0.~~650465~~819494% 90 Days 0.~~673401~~000000% 0.000000% 0.000000% 0.000000% 0.~~673401~~000000% 0.~~714363~~000000% 0.000000% 0.000000% 0.000000% 0.~~714363~~000000% 120 Days 0.~~336700~~357143% 0.000000% 0.~~336700~~000000% 0.000000% 0.~~673401~~357143% 0.~~152955~~486505% 0.000000% 0.~~250179~~000000% 0.000000% 0.~~403134~~486505% 150 Days 0.000000% 0.000000% 0.~~000000~~357143% 0.000000% 0.~~000000~~357143% 0.000000% 0.000000% 0.~~000000~~464637% 0.000000% 0.~~000000~~464637% 180 Days 0.000000% 0.000000% 0.~~000000~~357143% 0.000000% 0.~~000000~~357143% 0.000000% 0.000000% 0.~~000000~~267426% 0.000000% 0.~~000000~~267426% Totals 9.~~090909~~285714% 0.~~336700~~357143% 0.~~336700~~714286% 0.000000% 910.~~764310~~357143% 89.~~393937~~746659% 0.~~203263~~216938% 0.~~250179~~732063% 0.000000% 810.~~847379~~695659% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group 2 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 1 0 0 1 354,~~729~~206.8697 0.00 0.00 354,~~729~~206.8697 30 Days 1830 0 0 0 1830 511,~~802~~751,~~940~~097.8878 0.00 0.00 0.00 511,~~802~~751,~~940~~097.8878 60 Days 52 0 0 0 52 1621,~~047,188~~800.7494 0.00 0.00 0.00 1621,~~047,188~~800.7494 90 Days 20 0 0 0 20 ~~965,144~~0.6700 0.00 0.00 0.00 ~~965,144~~0.6700 120 Days 10 0 21 0 31 ~~611,643~~0.8600 0.00 195,~~342,768~~383.7022 0.00 195,~~954,412~~383.5622 150 Days 0 0 21 0 21 0.00 0.00 ~~541~~647,~~255~~953.7928 0.00 ~~541~~647,~~255~~953.7928 180 Days 0 0 1 0 1 2 0.00 0.00 ~~483~~913,~~850~~341.6018 ~~0.00~~ 483,850.60 1,397,191.78 Totals 2632 1 53 01 3237 812,~~426~~372,~~918~~898.1572 354,~~729~~206.8697 21,~~367~~656,~~875~~677.0968 0483,850.0060 1114,~~149~~867,~~523~~633.1097 0-29 Days 0.~~133690~~144928% 0.000000% 0.000000% 0.~~133690~~144928% 0.~~139650~~154005% 0.000000% 0.000000% 0.~~139650~~154005% 30 Days 24.~~406417~~347826% 0.000000% 0.000000% 0.000000% 24.~~406417~~347826% 25.~~284497~~109223% 0.000000% 0.000000% 0.000000% 25.~~284497~~109223% 60 Days 0.~~668449~~289855% 0.000000% 0.000000% 0.000000% 0.~~668449~~289855% 0.~~412256~~270351% 0.000000% 0.000000% 0.000000% 0.~~412256~~270351% 90 Days 0.~~267380~~000000% 0.000000% 0.000000% 0.000000% 0.~~267380~~000000% 0.~~379957~~000000% 0.000000% 0.000000% 0.000000% 0.~~379957~~000000% 120 Days 0.~~133690~~000000% 0.000000% 0.~~267380~~144928% 0.000000% 0.~~401070~~144928% 0.~~240791~~000000% 0.000000% 0.~~528620~~041471% 0.000000% 0.~~769412~~041471% 150 Days 0.000000% 0.000000% 0.~~267380~~144928% 0.000000% 0.~~267380~~144928% 0.000000% 0.000000% 0.~~213081~~281722% 0.000000% 0.~~213081~~281722% 180 Days 0.000000% 0.000000% 0.~~133690~~144928% 0.~~000000~~144928% 0.~~133690~~289855% 0.000000% 0.000000% 0.~~190482~~397109% 0.~~000000~~210372% 0.~~190482~~607481% Totals 34.~~475936~~637681% 0.~~133690~~144928% 0.~~668449~~434783% 0.~~000000~~144928% 45.~~278075~~362319% 35.~~317502~~379574% 0.~~139650~~154005% 0.~~932183~~720302% 0.~~000000~~210372% 46.~~389335~~464252%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance ~~111~~142,~~092~~997.0518

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 167,793.00 0.03837026% 167,793.00 0.~~05220285~~05725834% Fraud 13,118,988.00 3.00000005% 13,118,988.00 4.~~08150882~~47677486% Special Hazard 4,372,996.00 1.00000002% 4,372,996.00 1.~~36050294~~49225829% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Fixed 15 & 30 Year Weighted Average Gross Coupon 7.~~096151~~069446% Weighted Average Pass-Through Rate 6.~~763687~~748330% Weighted Average Maturity(Stepdown Calculation ) ~~346~~344 Beginning Scheduled Collateral Loan Count 1,~~086~~006 Number Of Loans Paid In Full 4136 Ending Scheduled Collateral Loan Count ~~1,045~~970 Beginning Scheduled Collateral Balance ~~337~~306,~~197~~004,~~756~~849.2904 Ending Scheduled Collateral Balance ~~321~~293,~~424~~045,~~958~~516.1319 Ending Actual Collateral Balance at 30-~~Sep~~Nov-2003 ~~321~~293,~~697~~315,~~034~~825.0131 Monthly P &I Constant 2,~~298~~086,~~856~~317.1103 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 1714,~~381~~495,~~341~~101.1081 Class AP Deferred Amount 0.00 Ending Scheduled Balance for Premium Loans ~~321~~293,~~424~~045,~~958~~516.1319 Scheduled Principal ~~304~~283,~~850~~579.9163 Unscheduled Principal 1512,~~467~~675,~~947~~753.2522

Miscellaneous Reporting Group 1 Senior % 91.~~835001~~376680% Group 1 Junior % 8.~~164999~~623320% Group 1 Senior Prepayment % 100.000000% Group 2 Senior % 9089.~~682083~~636889% Group 2 Junior % 910.~~317917~~363111% Group 2 Senior Prepayment % 100.000000%

Group Level Collateral Statement Group Group 1 Group 2 Total Collateral Description Fixed 15 & 30 Year Fixed 15 & 30 Year Fixed 15 & 30 Year Weighted Average Coupon Rate 7.~~528318~~520715 6.~~983285~~945324 7.~~096151~~069446 Weighted Average Net Rate 7.~~263411~~255813 6.~~721825~~683520 6.~~833977~~806974 Weighted Average Maturity ~~350~~348 ~~345~~343 ~~346~~344 Beginning Loan Count ~~308~~291 ~~778~~715 1,~~086~~006 Loans Paid In Full 11 3025 4136 Ending Loan Count ~~297~~280 ~~748~~690 ~~1,045~~970 Beginning Scheduled Balance 6966,~~827~~010,~~248~~726.1624 ~~267~~239,~~370~~994,~~508~~122.1380 ~~337~~306,~~197~~004,~~756~~849.2904 Ending scheduled Balance 6763,~~632~~263,~~383~~091.3399 ~~253~~229,~~792~~782,~~574~~424.8020 ~~321~~293,~~424~~045,~~958~~516.1319 Record Date 0911/30/2003 0911/30/2003 0911/30/2003 Principal And Interest Constant ~~493~~466,~~458~~979.5646 1,~~805~~619,~~397~~337.5557 2,~~298~~086,~~856~~317.1103 Scheduled Principal 5553,~~390~~272.4892 ~~249~~230,~~460~~306.4371 ~~304~~283,~~850~~579.9163 Unscheduled Principal 2,~~139~~694,~~474~~361.3533 139,~~328~~981,~~472~~391.9089 1512,~~467~~675,~~947~~753.2522 Scheduled Interest ~~438~~413,~~068~~706.0854 1,~~555~~389,~~937~~030.1286 1,~~994~~802,~~005~~737.2040 Servicing Fees 1514,~~414~~571.7299 5852,~~255~~359.6764 7366,~~670~~931.3963 Master Servicing Fees 2.13 ~~152~~117.2299 ~~154~~120.3512 Trustee Fee 0.00 0.00 0.00 FRY Amount 0.00 0.00 0.00 Special Hazard Fee 0.00 0.00 0.00 Other Fee ~~540~~436.8312 1914,~~056~~398.3908 1914,~~597~~834.2220 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 ~~422~~398,~~110~~696.4030 1,~~478~~322,~~472~~155.8415 1,~~900~~720,~~583~~851.2445 Realized Loss Amount 0.00 0.00 0.00 Cumulative Realized Loss 0.00 0.00 0.00 Percentage of Cumulative Losses 0.000000 0.000000 0.000000 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 7.~~254080~~247846 6.~~635614~~610937 6.~~763687~~748330

Filing Compare · MORTGAGE ASSET SEC TR MSTR ALT LN TR MT PS THR CT SR 2003-3