8-K 1 mal03006.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 2003-6 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-106982-01 54-2123773 Pooling and Servicing Agreement) (Commission 54-2123772 (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 2003-6 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 2003-6 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 2003-6 Trust By: Wells Fargo Bank Minnesota, N.A., as Master Servicer By: /s/ Beth Belfield, Assistant Vice President By: Beth Belfield, 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 2003-6 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: 2003-6 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-A-1 576434GD0 SEN 5.50000% ~~166~~162,~~238~~066,~~613~~355.8933 ~~761~~742,~~926~~804.9813 21,~~375~~174,~~448~~230.3167 2-A-1 576434GE8 SEN 5.00000% 4342,~~300~~780,~~532~~335.5387 ~~180~~178,~~418~~251.8940 ~~234~~511,~~048~~481.6979 3-A-1 576434GF5 SEN 8.00000% 9,~~564~~337,~~024~~884.2427 6362,~~760~~252.1656 ~~205~~235,~~546~~411.9129 3-A-2 576434GG3 SEN 5.75000% 7674,~~516~~706,~~171~~957.4964 ~~366~~357,~~639~~970.9984 1,~~644~~883,~~460~~388.7720 3-A-3 576434GH1 SEN 6.00000% 14,729,000.00 73,645.00 0.00 4-A-1 576434GJ7 SEN 5.25000% 3533,~~083~~090,~~321~~531.3356 ~~153~~144,~~489~~771.5308 1129,~~557,301~~874.6146 15-PO 576434GK4 PO 0.00000% 1,~~317~~274,~~311~~974.0946 0.00 56,~~410~~000.4228 30-PO 576434GL2 PO 0.00000% 3,~~034~~019,~~672~~835.1520 0.00 332,~~521~~220.5601 15-AX 576434GM0 IO 5.00000% 0.00 1817,~~188~~398.2639 0.00 30-AX 576434GN8 IO 5.50000% 0.00 ~~102~~99,~~498~~575.2019 0.00 B-1 576434GQ1 SUB 5.~~55907~~55964% 109,~~010~~978,~~483~~237.1144 46,~~374~~229.1650 16,~~078~~272.3231 B-2 576434GR9 SUB 5.~~55907~~55964% 2,~~965~~955,~~403~~851.4331 13,~~737~~694.4156 4,~~762~~820.8834 B-3 576434GS7 SUB 5.~~55907~~55964% 2,~~410~~402,~~263~~500.9402 11,~~165~~130.6986 3,~~871~~917.2495 B-4 576434GT5 SUB 5.~~55907~~55964% ~~926~~923,~~563~~579.7713 4,~~292~~278.3697 1,~~488~~506.2015 B-5 576434GU2 SUB 5.~~55907~~55964% 1,~~112~~108,~~275~~693.9005 5,~~152~~136.6861 1,~~786~~808.4803 B-6 576434GV0 SUB 5.~~55907~~55964% 1,~~113~~109,~~102~~517.6210 5,~~156~~140.5143 1,~~787~~809.8138 AR 576434GP3 RES 5.00000% 0.00 0.8300 0.00 Totals ~~368~~359,~~321~~484,~~739~~252.4938 1,~~806~~762,~~446~~279.6552 64,~~055~~002,~~513~~740.2086

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1-A-1 0.00 ~~163~~160,~~863~~892,~~165~~124.5865 31,~~137~~917,~~375~~034.2980 0.00 2-A-1 0.00 4342,~~066~~268,~~483~~854.8408 ~~414~~689,~~467~~733.5819 0.00 3-A-1 0.00 9,~~358~~102,~~477~~472.3398 ~~269~~297,~~307~~663.0785 0.00 3-A-2 0.00 7472,~~871~~823,~~710~~569.7144 2,~~011~~241,~~100~~359.7604 0.00 3-A-3 0.00 14,729,000.00 73,645.00 0.00 4-A-1 0.00 3332,~~526~~960,~~019~~657.7210 1274,~~710,791~~645.1454 0.00 15-PO 0.00 1,~~311~~268,~~900~~974.6618 56,~~410~~000.4228 0.00 30-PO 0.00 32,~~031~~987,~~150~~615.5919 332,~~521~~220.5601 0.00 15-AX 0.00 0.00 1817,~~188~~398.2639 0.00 30-AX 0.00 0.00 ~~102~~99,~~498~~575.2019 0.00 B-1 0.00 9,~~994~~961,~~404~~965.7813 62,~~452~~501.4881 0.00 B-2 0.00 2,~~960~~951,~~640~~030.5696 18,~~500~~514.2990 0.00 B-3 0.00 2,~~406~~398,~~392~~582.6907 15,~~036~~048.9381 0.00 B-4 0.00 ~~925~~922,~~075~~072.5797 5,~~780~~785.5612 0.00 B-5 0.00 1,~~110~~106,~~489~~885.4201 6,~~939~~944.1664 0.00 B-6 0.00 1,~~111~~107,~~314~~707.8173 6,~~944~~949.3281 0.00 AR 0.00 0.00 0.8300 0.00 Totals 0.00 ~~362~~355,~~266~~481,~~226~~511.2649 75,~~861~~765,~~959~~020.8538 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-A-1 167,651,000.00 ~~166~~162,~~238~~066,~~613~~355.8933 ~~165~~163,~~633~~706.3495 21,~~209~~010,~~814~~523.9872 0.00 0.00 2-A-1 43,572,000.00 4342,~~300~~780,~~532~~335.5387 ~~165~~167,~~409~~123.0139 68344,~~639~~358.6740 0.00 0.00 3-A-1 9,618,000.00 9,~~564~~337,~~024~~884.2427 10,~~835~~769.7770 ~~194~~224,~~711~~641.1459 0.00 0.00 3-A-2 76,948,000.00 7674,~~516~~706,~~171~~957.4964 86,~~690~~162.6506 1,~~557~~797,~~770~~226.1214 0.00 0.00 3-A-3 14,729,000.00 14,729,000.00 0.00 0.00 0.00 0.00 4-A-1 35,872,000.00 3533,~~083~~090,~~321~~531.3356 ~~124~~119,~~923~~699.9432 110,~~432,377~~175.6714 0.00 0.00 15-PO 1,328,062.00 1,~~317~~274,~~311~~974.0946 5,~~090~~014.6072 ~~319~~985.8256 0.00 0.00 30-PO 3,037,506.00 3,~~034~~019,~~672~~835.1520 3,~~297~~324.8027 ~~223~~28,895.7674 0.00 0.00 15-AX 0.00 0.00 0.00 0.00 0.00 0.00 30-AX 0.00 0.00 0.00 0.00 0.00 0.00 B-1 10,026,000.00 109,~~010~~978,~~483~~237.1144 16,~~078~~272.3231 0.00 0.00 0.00 B-2 2,970,000.00 2,~~965~~955,~~403~~851.4331 4,~~762~~820.8834 0.00 0.00 0.00 B-3 2,414,000.00 2,~~410~~402,~~263~~500.9402 3,~~871~~917.2495 0.00 0.00 0.00 B-4 928,000.00 ~~926~~923,~~563~~579.7713 1,~~488~~506.2015 0.00 0.00 0.00 B-5 1,114,000.00 1,~~112~~108,~~275~~693.9005 1,~~786~~808.4803 0.00 0.00 0.00 B-6 1,114,828.00 1,~~113~~109,~~102~~517.6210 1,~~787~~809.8138 0.00 0.00 0.00 AR 100.00 0.00 0.00 0.00 0.00 0.00 Totals 371,322,496.00 ~~368~~359,~~321~~484,~~739~~252.4938 ~~591~~585,~~656~~934.0457 53,~~463~~416,~~857~~806.1629 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-A-1 21,~~375~~174,~~448~~230.3167 ~~163~~160,~~863~~892,~~165~~124.5865 0.~~97740643~~95968485 21,~~375~~174,~~448~~230.3167 2-A-1 ~~234~~511,~~048~~481.6979 4342,~~066~~268,~~483~~854.8408 0.~~98839814~~97009213 ~~234~~511,~~048~~481.6979 3-A-1 ~~205~~235,~~546~~411.9129 9,~~358~~102,~~477~~472.3398 0.~~97301698~~94639977 ~~205~~235,~~546~~411.9129 3-A-2 1,~~644~~883,~~460~~388.7720 7472,~~871~~823,~~710~~569.7144 0.~~97301698~~94639977 1,~~644~~883,~~460~~388.7720 3-A-3 0.00 14,729,000.00 1.00000000 0.00 4-A-1 1129,~~557,301~~874.6146 3332,~~526~~960,~~019~~657.7210 0.~~93460135~~91884080 1129,~~557,301~~874.6146 15-PO 56,~~410~~000.4228 1,~~311~~268,~~900~~974.6618 0.~~98783088~~95550824 56,~~410~~000.4228 30-PO 332,~~521~~220.5601 32,~~031~~987,~~150~~615.5919 0.~~99790769~~98357507 332,~~521~~220.5601 15-AX 0.00 0.00 0.00000000 0.00 30-AX 0.00 0.00 0.00000000 0.00 B-1 16,~~078~~272.3231 9,~~994~~961,~~404~~965.7813 0.~~99684867~~99361312 16,~~078~~272.3231 B-2 4,~~762~~820.8834 2,~~960~~951,~~640~~030.5696 0.~~99684867~~99361312 4,~~762~~820.8834 B-3 3,~~871~~917.2495 2,~~406~~398,~~392~~582.6907 0.~~99684867~~99361312 3,~~871~~917.2495 B-4 1,~~488~~506.2015 ~~925~~922,~~075~~072.5797 0.~~99684867~~99361311 1,~~488~~506.2015 B-5 1,~~786~~808.4803 1,~~110~~106,~~489~~885.4201 0.~~99684867~~99361311 1,~~786~~808.4803 B-6 1,~~787~~809.8138 1,~~111~~107,~~314~~707.8173 0.~~99684867~~99361312 1,~~787~~809.8138 AR 0.00 0.00 0.00000000 0.00 Totals 64,~~055~~002,~~513~~740.2086 ~~362~~355,~~266~~481,~~226~~511.2649 0.~~97561077~~95733901 64,~~055~~002,~~513~~740.2086

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-A-1 167,651,000.00 ~~991~~966.~~57543880~~68886753 0.~~98796512~~97647464 136.~~18104264~~02754365 0.00000000 2-A-1 43,572,000.00 ~~993~~981.~~76968076~~83089759 3.~~79622257~~83556848 17.~~57531603~~90320389 0.00000000 3-A-1 9,618,000.00 ~~994~~970.~~38804741~~87588584 1.~~12661364~~11974423 2023.~~24445207~~35637243 0.00000000 3-A-2 76,948,000.00 ~~994~~970.~~38804764~~87588553 1.~~12661343~~11974398 2023.~~24445236~~35637236 0.00000000 3-A-3 14,729,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 4-A-1 35,872,000.00 ~~978~~922.~~01408703~~46129460 3.~~48249164~~33684545 390.~~93024281~~28365132 0.00000000 15-PO 1,328,062.00 ~~991~~960.~~90481318~~02630901 3.~~83310418~~77596829 0.~~24081707~~74210391 0.00000000 30-PO 3,037,506.00 ~~999~~994.~~06704711~~18246417 1.~~08569333~~09440771 09.~~07366570~~51298203 0.00000000 15-AX 0.00 0.00000000 0.00000000 0.00000000 0.00000000 30-AX 0.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 10,026,000.00 ~~998~~995.~~45233493~~23613006 1.~~60366248~~62301117 0.00000000 0.00000000 B-2 2,970,000.00 ~~998~~995.~~45233333~~23613131 1.~~60366330~~62301010 0.00000000 0.00000000 B-3 2,414,000.00 ~~998~~995.~~45233637~~23613090 1.~~60366197~~62301160 0.00000000 0.00000000 B-4 928,000.00 ~~998~~995.~~45233836~~23613147 1.~~60366379~~62300647 0.00000000 0.00000000 B-5 1,114,000.00 ~~998~~995.~~45233393~~23613106 1.~~60366248~~62300718 0.00000000 0.00000000 B-6 1,114,828.00 ~~998~~995.~~45233525~~23612611 1.~~60366442~~62301270 0.00000000 0.00000000 AR 100.00 0.00000000 0.00000000 0.00000000 0.00000000

Principal Distribution Factors Statement (continued) Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution 1-A-1 0.00000000 147.~~16900770~~00401829 ~~977~~959.~~40643110~~68484918 0.~~97740643~~95968485 147.~~16900770~~00401829 2-A-1 0.00000000 511.~~37153883~~73877238 ~~988~~970.~~39814193~~09212522 0.~~98839814~~97009213 511.~~37153883~~73877238 3-A-1 0.00000000 2124.~~37106571~~47611666 ~~973~~946.~~01698170~~39976918 0.~~97301698~~94639977 2124.~~37106571~~47611666 3-A-2 0.00000000 2124.~~37106578~~47611634 ~~973~~946.~~01698173~~39976919 0.~~97301698~~94639977 2124.~~37106578~~47611634 3-A-3 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 4-A-1 0.00000000 433.~~41273444~~62049677 ~~934~~918.~~60135259~~84079784 0.~~93460135~~91884080 433.~~41273444~~62049677 15-PO 0.00000000 4.~~07392125~~51807220 ~~987~~955.~~83088440~~50823681 0.~~98783088~~95550824 4.~~07392125~~51807220 30-PO 0.00000000 110.~~15935903~~60738975 ~~997~~983.~~90768808~~57507442 0.~~99790769~~98357507 110.~~15935903~~60738975 15-AX 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 30-AX 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 1.~~60366248~~62301117 ~~996~~993.~~84867145~~61311889 0.~~99684867~~99361312 1.~~60366248~~62301117 B-2 0.00000000 1.~~60366330~~62301010 ~~996~~993.~~84867340~~61311785 0.~~99684867~~99361312 1.~~60366330~~62301010 B-3 0.00000000 1.~~60366197~~62301160 ~~996~~993.~~84867026~~61311930 0.~~99684867~~99361312 1.~~60366197~~62301160 B-4 0.00000000 1.~~60366379~~62300647 ~~996~~993.~~84867457~~61311422 0.~~99684867~~99361311 1.~~60366379~~62300647 B-5 0.00000000 1.~~60366248~~62300718 ~~996~~993.~~84867145~~61311490 0.~~99684867~~99361311 1.~~60366248~~62300718 B-6 0.00000000 1.~~60366442~~62301270 ~~996~~993.~~84867083~~61312238 0.~~99684867~~99361312 1.~~60366442~~62301270 AR 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 1-A-1 167,651,000.00 5.50000% ~~166~~162,~~238~~066,~~613~~355.8933 ~~761~~742,~~926~~804.9813 0.00 0.00 2-A-1 43,572,000.00 5.00000% 4342,~~300~~780,~~532~~335.5387 ~~180~~178,~~418~~251.8940 0.00 0.00 3-A-1 9,618,000.00 8.00000% 9,~~564~~337,~~024~~884.2427 6362,~~760~~252.1656 0.00 0.00 3-A-2 76,948,000.00 5.75000% 7674,~~516~~706,~~171~~957.4964 ~~366~~357,~~639~~970.9984 0.00 0.00 3-A-3 14,729,000.00 6.00000% 14,729,000.00 73,645.00 0.00 0.00 4-A-1 35,872,000.00 5.25000% 3533,~~083~~090,~~321~~531.3356 ~~153~~144,~~489~~771.5308 0.00 0.00 15-PO 1,328,062.00 0.00000% 1,~~317~~274,~~311~~974.0946 0.00 0.00 0.00 30-PO 3,037,506.00 0.00000% 3,~~034~~019,~~672~~835.1520 0.00 0.00 0.00 15-AX 0.00 5.00000% 4,~~365~~175,~~182~~614.1659 1817,~~188~~398.2639 0.00 0.00 30-AX 0.00 5.50000% 2221,~~363~~725,~~244~~495.1411 ~~102~~99,~~498~~575.2019 0.00 0.00 B-1 10,026,000.00 5.~~55907~~55964% 109,~~010~~978,~~483~~237.1144 46,~~374~~229.1650 0.00 0.00 B-2 2,970,000.00 5.~~55907~~55964% 2,~~965~~955,~~403~~851.4331 13,~~737~~694.4156 0.00 0.00 B-3 2,414,000.00 5.~~55907~~55964% 2,~~410~~402,~~263~~500.9402 11,~~165~~130.6986 0.00 0.00 B-4 928,000.00 5.~~55907~~55964% ~~926~~923,~~563~~579.7713 4,~~292~~278.3697 0.00 0.00 B-5 1,114,000.00 5.~~55907~~55964% 1,~~112~~108,~~275~~693.9005 5,~~152~~136.6861 0.00 0.00 B-6 1,114,828.00 5.~~55907~~55964% 1,~~113~~109,~~102~~517.6210 5,~~156~~140.5143 0.00 0.00 AR 100.00 5.00000% 0.00 0.00 0.00 0.00 Totals 371,322,496.00 1,~~806~~762,~~445~~279.8252 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-A-1 0.00 0.00 ~~761~~742,~~926~~804.9813 0.00 ~~163~~160,~~863~~892,~~165~~124.5865 2-A-1 0.00 0.00 ~~180~~178,~~418~~251.8940 0.00 4342,~~066~~268,~~483~~854.8408 3-A-1 0.00 0.00 6362,~~760~~252.1656 0.00 9,~~358~~102,~~477~~472.3398 3-A-2 0.00 0.00 ~~366~~357,~~639~~970.9984 0.00 7472,~~871~~823,~~710~~569.7144 3-A-3 0.00 0.00 73,645.00 0.00 14,729,000.00 4-A-1 0.00 0.00 ~~153~~144,~~489~~771.5308 0.00 3332,~~526~~960,~~019~~657.7210 15-PO 0.00 0.00 0.00 0.00 1,~~311~~268,~~900~~974.6618 30-PO 0.00 0.00 0.00 0.00 32,~~031~~987,~~150~~615.5919 15-AX 0.00 0.00 1817,~~188~~398.2639 0.00 4,~~201~~118,~~722~~219.3298 30-AX 0.00 0.00 ~~102~~99,~~498~~575.2019 0.00 21,~~957~~331,~~361~~951.2570 B-1 0.00 0.00 46,~~374~~229.1650 0.00 9,~~994~~961,~~404~~965.7813 B-2 0.00 0.00 13,~~737~~694.4156 0.00 2,~~960~~951,~~640~~030.5696 B-3 0.00 0.00 11,~~165~~130.6986 0.00 2,~~406~~398,~~392~~582.6907 B-4 0.00 0.00 4,~~292~~278.3697 0.00 ~~925~~922,~~075~~072.5797 B-5 0.00 0.00 5,~~152~~136.6861 0.00 1,~~110~~106,~~489~~885.4201 B-6 0.00 0.00 5,~~156~~140.5143 0.00 1,~~111~~107,~~314~~707.8173 AR 0.00 0.00 0.8300 0.00 0.00 Totals 0.00 0.00 1,~~806~~762,~~446~~279.6552 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-A-1 167,651,000.00 5.50000% ~~991~~966.~~57543880~~68886753 4.~~54472076~~43065732 0.00000000 0.00000000 2-A-1 43,572,000.00 5.00000% ~~993~~981.~~76968076~~83089759 4.~~14070711~~09096209 0.00000000 0.00000000 3-A-1 9,618,000.00 8.00000% ~~994~~970.~~38804741~~87588584 6.~~62925348~~47250572 0.00000000 0.00000000 3-A-2 76,948,000.00 5.75000% ~~994~~970.~~38804764~~87588553 4.~~76477608~~65211364 0.00000000 0.00000000 3-A-3 14,729,000.00 6.00000% 1000.00000000 5.00000000 0.00000000 0.00000000 4-A-1 35,872,000.00 5.25000% ~~978~~922.~~01408703~~46129460 4.~~27881161~~03576829 0.00000000 0.00000000 15-PO 1,328,062.00 0.00000% ~~991~~960.~~90481318~~02630901 0.00000000 0.00000000 0.00000000 30-PO 3,037,506.00 0.00000% ~~999~~994.~~06704711~~18246417 0.00000000 0.00000000 0.00000000 15-AX 0.00 5.00000% ~~989~~946.~~47128390~~50133214 43.~~12279724~~94375462 0.00000000 0.00000000 30-AX 0.00 5.50000% ~~992~~964.~~46788649~~16495209 4.~~54881104~~41908954 0.00000000 0.00000000 B-1 10,026,000.00 5.~~55907~~55964% ~~998~~995.~~45233493~~23613006 4.~~62538999~~61096150 0.00000000 0.00000000 B-2 2,970,000.00 5.~~55907~~55964% ~~998~~995.~~45233333~~23613131 4.~~62539057~~61096296 0.00000000 0.00000000 B-3 2,414,000.00 5.~~55907~~55964% ~~998~~995.~~45233637~~23613090 4.~~62538940~~61096106 0.00000000 0.00000000 B-4 928,000.00 5.~~55907~~55964% ~~998~~995.~~45233836~~23613147 4.~~62538793~~61095905 0.00000000 0.00000000 B-5 1,114,000.00 5.~~55907~~55964% ~~998~~995.~~45233393~~23613106 4.~~62538600~~61096050 0.00000000 0.00000000 B-6 1,114,828.00 5.~~55907~~55964% ~~998~~995.~~45233525~~23612611 4.~~62538616~~61096241 0.00000000 0.00000000 AR 100.00 5.00000% 0.00000000 0.00000000 0.00000000 0.00000000 (5) Per $1 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-A-1 0.00000000 0.00000000 4.~~54472076~~43065732 0.00000000 ~~977~~959.~~40643110~~68484918 2-A-1 0.00000000 0.00000000 4.~~14070711~~09096209 0.00000000 ~~988~~970.~~39814193~~09212522 3-A-1 0.00000000 0.00000000 6.~~62925348~~47250572 0.00000000 ~~973~~946.~~01698170~~39976918 3-A-2 0.00000000 0.00000000 4.~~76477608~~65211364 0.00000000 ~~973~~946.~~01698173~~39976919 3-A-3 0.00000000 0.00000000 5.00000000 0.00000000 1000.00000000 4-A-1 0.00000000 0.00000000 4.~~27881161~~03576829 0.00000000 ~~934~~918.~~60135259~~84079784 15-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~987~~955.~~83088440~~50823681 30-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~997~~983.~~90768808~~57507442 15-AX 0.00000000 0.00000000 43.~~12279724~~94375462 0.00000000 ~~952~~933.~~41926366~~49149283 30-AX 0.00000000 0.00000000 4.~~54881104~~41908954 0.00000000 ~~974~~946.~~45503775~~69972236 B-1 0.00000000 0.00000000 4.~~62538999~~61096150 0.00000000 ~~996~~993.~~84867145~~61311889 B-2 0.00000000 0.00000000 4.~~62539057~~61096296 0.00000000 ~~996~~993.~~84867340~~61311785 B-3 0.00000000 0.00000000 4.~~62538940~~61096106 0.00000000 ~~996~~993.~~84867026~~61311930 B-4 0.00000000 0.00000000 4.~~62538793~~61095905 0.00000000 ~~996~~993.~~84867457~~61311422 B-5 0.00000000 0.00000000 4.~~62538600~~61096050 0.00000000 ~~996~~993.~~84867145~~61311490 B-6 0.00000000 0.00000000 4.~~62538616~~61096241 0.00000000 ~~996~~993.~~84867083~~61312238 AR 0.00000000 0.00000000 80.~~30000000~~00000000 0.00000000 0.00000000 (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 Component Statement Component Beginning Ending Beginning Ending Ending Pass-Through Notional Notional Component Component Component Class Rate Balance Balance Balance Balance Percentage 15-PO-1 0.00000% 0.00 0.00 ~~362~~359,~~815~~689.9357 ~~361~~358,~~284~~183.2008 9998.~~17524205~~32396119% 15-PO-2 0.00000% 0.00 0.00 ~~954~~915,~~495~~284.1689 ~~950~~910,~~616~~791.4610 9894.~~63479604~~50256561% 30-PO-1 0.00000% 0.00 0.00 ~~481~~480,~~734~~231.5751 ~~481~~479,~~080~~606.9143 99.~~72954414~~42387992% 30-PO-2 0.00000% 0.00 0.00 2,~~552~~539,~~937~~603.5869 2,~~550~~508,~~069~~008.6976 9998.~~80230174~~15615942% 15-AX-1 5.00000% 2,~~299~~263,~~093~~454.3738 2,~~284~~211,~~270~~335.9108 0.00 0.00 9895.~~52095617~~37522259% 15-AX-2 5.00000% 21,~~066~~912,~~088~~160.7921 1,~~917~~906,~~451~~884.4189 0.00 0.00 91.~~60963128~~10479710% 30-AX-1 5.50000% 15,~~809~~309,~~147~~994.1359 15,~~536~~115,~~756~~282.6087 0.00 0.00 9794.~~37151172~~73006375% 30-AX-2 5.50000% 6,~~554~~415,~~097~~500.0151 6,~~420~~216,~~604~~668.6583 0.00 0.00 9794.~~62501794~~52418256%

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal 75,~~861~~749,~~384~~644.2410 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 7893,~~481~~305.8054 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 75,~~939~~842,~~866~~949.0464 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 77,~~906~~929.1926 Payment of Interest and Principal 75,~~861~~765,~~959~~020.8538 Total Withdrawals (Pool Distribution Amount) 75,~~939~~842,~~866~~949.0464 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee 7775,~~616~~671.7094 Misccellaneous Fee 1,978.36 Wells Fargo Bank, N.A. ~~289~~278.4996 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 77,~~906~~929.1926

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 0 0 1 158,~~516~~223.5667 0.00 0.00 158,~~516~~223.5667 30 Days 3736 0 0 0 3736 109,~~536~~920,~~258~~812.9062 0.00 0.00 0.00 109,~~536~~920,~~258~~812.9062 60 Days 35 0 0 0 35 1,~~017~~808,~~006~~856.6797 0.00 0.00 0.00 1,~~017~~808,~~006~~856.6797 90 Days 01 0 01 0 02 0978,593.0019 0.00 0114,082.0054 0.00 01,092,675.0073 120 Days 01 0 01 0 02 0129,552.0014 0.00 0799,606.0050 0.00 0929,158.0064 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 4043 1 02 0 4146 1112,~~553~~837,~~265~~814.5792 158,~~516~~223.5667 0913,689.0004 0.00 1113,~~711~~909,~~782~~727.1363 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.~~046882~~047529% 0.000000% 0.000000% 0.~~046882~~047529% 0.~~043699~~044447% 0.000000% 0.000000% 0.~~043699~~044447% 30 Days 1.~~734646~~711027% 0.000000% 0.000000% 0.000000% 1.~~734646~~711027% 2.~~904551~~786850% 0.000000% 0.000000% 0.000000% 2.~~904551~~786850% 60 Days 0.~~140647~~237643% 0.000000% 0.000000% 0.000000% 0.~~140647~~237643% 0.~~280360~~508125% 0.000000% 0.000000% 0.000000% 0.~~280360~~508125% 90 Days 0.~~000000~~047529% 0.000000% 0.~~000000~~047529% 0.000000% 0.~~000000~~095057% 0.~~000000~~274896% 0.000000% 0.~~000000~~032047% 0.000000% 0.~~000000~~306943% 120 Days 0.~~000000~~047529% 0.000000% 0.~~000000~~047529% 0.000000% 0.~~000000~~095057% 0.~~000000~~036392% 0.000000% 0.~~000000~~224617% 0.000000% 0.~~000000~~261009% 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 12.~~875293~~043726% 0.~~046882~~047529% 0.~~000000~~095057% 0.000000% 12.~~922175~~186312% 3.~~184911~~606264% 0.~~043699~~044447% 0.~~000000~~256664% 0.000000% 3.~~228610~~907374%

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 1 0 0 1 158,~~516~~223.5667 0.00 0.00 158,~~516~~223.5667 30 Days 712 0 0 0 712 ~~901~~1,~~880~~937,751.2496 0.00 0.00 0.00 ~~901~~1,~~880~~937,751.2496 60 Days 10 0 0 0 10 ~~87,848~~0.0300 0.00 0.00 0.00 ~~87,848~~0.0300 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 812 1 0 0 913 ~~989~~1,~~728~~937,751.2796 158,~~516~~223.5667 0.00 0.00 12,~~148~~095,~~244~~975.8363 0-29 Days 0.~~081103~~082372% 0.000000% 0.000000% 0.~~081103~~082372% 0.~~091462~~092892% 0.000000% 0.000000% 0.~~091462~~092892% 30 Days 0.~~567721~~988468% 0.000000% 0.000000% 0.000000% 0.~~567721~~988468% 01.~~520371~~137644% 0.000000% 0.000000% 0.000000% 01.~~520371~~137644% 60 Days 0.~~081103~~000000% 0.000000% 0.000000% 0.000000% 0.~~081103~~000000% 0.~~050687~~000000% 0.000000% 0.000000% 0.000000% 0.~~050687~~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.~~648824~~988468% 0.~~081103~~082372% 0.000000% 0.000000% 01.~~729927~~070840% 01.~~571058~~137644% 0.~~091462~~092892% 0.000000% 0.000000% 01.~~662520~~230536% 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 1 0 0 0 1 ~~198~~50,~~531~~021.2741 0.00 0.00 0.00 ~~198~~50,~~531~~021.2741 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 1 0 0 0 1 ~~198~~50,~~531~~021.2741 0.00 0.00 0.00 ~~198~~50,~~531~~021.2741 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~251256~~253165% 0.000000% 0.000000% 0.000000% 0.~~251256~~253165% 0.~~432832~~111037% 0.000000% 0.000000% 0.000000% 0.~~432832~~111037% 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.~~251256~~253165% 0.000000% 0.000000% 0.000000% 0.~~251256~~253165% 0.~~432832~~111037% 0.000000% 0.000000% 0.000000% 0.~~432832~~111037% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 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 2721 0 0 0 2721 87,~~439~~342,~~999~~096.8355 0.00 0.00 0.00 87,~~439~~342,~~999~~096.8355 60 Days 24 0 0 0 24 ~~929~~1,~~158~~014,670.6474 0.00 0.00 0.00 ~~929~~1,~~158~~014,670.6474 90 Days 01 0 01 0 02 0978,593.0019 0.00 0114,082.0054 0.00 01,092,675.0073 120 Days 01 0 01 0 02 0129,552.0014 0.00 0799,606.0050 0.00 0929,158.0064 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 2927 0 02 0 29 9,~~369~~464,~~158~~912.4762 0.00 0913,689.0004 0.00 910,~~369~~378,~~158~~601.4766 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 65.~~818182~~384615% 0.000000% 0.000000% 0.000000% 65.~~818182~~384615% 7.~~883115~~011823% 0.000000% 0.000000% 0.000000% 7.~~883115~~011823% 60 Days 01.~~505051~~025641% 0.000000% 0.000000% 0.000000% 01.~~505051~~025641% 0.~~867851~~969027% 0.000000% 0.000000% 0.000000% 0.~~867851~~969027% 90 Days 0.~~000000~~256410% 0.000000% 0.~~000000~~256410% 0.000000% 0.~~000000~~512821% 0.~~000000~~934573% 0.000000% 0.~~000000~~108951% 0.000000% 01.~~000000~~043523% 120 Days 0.~~000000~~256410% 0.000000% 0.~~000000~~256410% 0.000000% 0.~~000000~~512821% 0.~~000000~~123724% 0.000000% 0.~~000000~~763637% 0.000000% 0.~~000000~~887362% 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 76.~~323232~~923077% 0.000000% 0.~~000000~~512821% 0.000000% 7.~~323232~~435897% 89.~~750966~~039147% 0.000000% 0.~~000000~~872588% 0.000000% 89.~~750966~~911735% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 4 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 2 0 0 0 2 ~~995~~590,~~847~~942.5670 0.00 0.00 0.00 ~~995~~590,~~847~~942.5670 60 Days 01 0 0 0 01 0794,186.0023 0.00 0.00 0.00 0794,186.0023 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 23 0 0 0 23 ~~995~~1,~~847~~385,128.5693 0.00 0.00 0.00 ~~995~~1,~~847~~385,128.5693 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 1.~~886792~~904762% 0.000000% 0.000000% 0.000000% 1.~~886792~~904762% 21.~~728129~~646237% 0.000000% 0.000000% 0.000000% 21.~~728129~~646237% 60 Days 0.~~000000~~952381% 0.000000% 0.000000% 0.000000% 0.~~000000~~952381% 02.~~000000~~212428% 0.000000% 0.000000% 0.000000% 02.~~000000~~212428% 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 12.~~886792~~857143% 0.000000% 0.000000% 0.000000% 12.~~886792~~857143% 23.~~728129~~858665% 0.000000% 0.000000% 0.000000% 23.~~728129~~858665%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 7893,~~481~~305.8054

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 100,000.00 0.02693077% 100,000.00 0.~~02760401~~02813086% Fraud 3,713,225.00 1.00000001% 3,713,225.00 1.~~02499895~~04456206% Special Hazard 3,713,225.00 1.00000001% 3,713,225.00 1.~~02499895~~04456206% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Fixed 30 Year Weighted Average Gross Coupon 6.~~147546~~142833% Weighted Average Pass-Through Rate 5.~~885441~~882696% Weighted Average Maturity(Stepdown Calculation ) ~~314~~312 Beginning Scheduled Collateral Loan Count 2,~~154~~117 Number Of Loans Paid In Full 2113 Ending Scheduled Collateral Loan Count 2,~~133~~104 Beginning Scheduled Collateral Balance ~~368~~359,~~321~~484,~~739~~252.6655 Ending Scheduled Collateral Balance ~~362~~355,~~266~~481,~~226~~511.4668 Ending Actual Collateral Balance at 30-~~Sep~~Nov-2003 ~~362~~355,~~750~~986,~~033~~596.9304 Monthly P &I Constant 2,~~478~~426,~~551~~144.8239 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 75,~~487~~338,~~068~~887.3955 Class AP Deferred Amount 0.00 Ending Scheduled Balance for Premium Loans ~~362~~355,~~266~~481,~~226~~511.4668 Scheduled Principal ~~591~~585,~~656~~934.0458 Unscheduled Principal 53,~~463~~416,~~857~~806.1629

COLLATERAL STATEMENT Collateral Description Fixed 30 Year Weighted Average Coupon Rate 6.~~147546~~142833% Weighted Average Net Rate 5.~~886384~~890231% Weighted Average Pass Through Rate 5.~~885441~~882696% Weighted Average Maturity ~~314~~312 Record Date 0911/30/2003 Principal and Interest Constant 2,~~478~~426,~~551~~144.8239 Beginning Loan Count 2,~~154~~117 Loans Paid in Full 2113 Ending Loan Count 2,~~133~~104 Beginning Scheduled Balance ~~368~~359,~~321~~484,~~739~~252.6655 Ending Scheduled Balance ~~362~~355,~~266~~481,~~226~~511.4668 Ending Actual Balance at 30-~~Sep~~Nov-2003 ~~362~~355,~~750~~986,~~033~~596.9304 Scheduled Principal ~~591~~585,~~656~~934.0458 Unscheduled Principal 53,~~463~~416,~~857~~806.1629 Scheduled Interest 1,~~886~~840,~~895~~209.7881 Servicing Fee 7775,~~616~~671.7094 Master Servicing Fee ~~289~~278.4996 Trustee Fee 0.00 FRY Amount 0.00 Special Hazard Fee 0.00 Other Fee 21,~~542~~978.9636 Pool Insurance Fee 0.00 Spread 1 0.00 Spread 2 0.00 Spread 3 0.00 Net Interest 1,~~806~~762,~~446~~280.6355 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Percentage of Cumulative Losses 0.000000 Special Servicing Fee 0.00 Prepayment Penalties 0.00

Group Level Collateral Statement Group 1 2 3 Collateral Description Fixed 15 & 30 Year Fixed 15 Year Fixed 30 Year Weighted Average Coupon Rate 6.~~230180~~225953 5.~~460613~~459546 6.~~476663~~467056 Weighted Average Net Rate 5.~~980180~~975953 5.~~210613~~209546 6.~~218069~~209451 Weighted Average Maturity ~~354~~352 ~~173~~171 ~~355~~353 Beginning Loan Count 1,~~246~~220 ~~399~~397 ~~402~~395 Loans Paid In Full 136 12 65 Ending Loan Count 1,~~233~~214 ~~398~~395 ~~396~~390 Beginning Scheduled Balance ~~175~~171,~~560~~369,~~922~~485.7981 45,~~967~~426,~~767~~791.0590 ~~108~~106,~~822~~763,~~877~~587.0875 Ending scheduled Balance ~~173~~170,~~176~~185,~~012~~717.4385 4544,~~723~~904,~~383~~870.7126 ~~106~~104,~~964~~607,~~718~~844.5883 Record Date 0911/30/2003 0911/30/2003 0911/30/2003 Principal And Interest Constant 1,~~086~~062,~~519~~339.9028 384,~~799~~154.0878 ~~692~~680,~~849~~371.9742 Scheduled Principal ~~175~~173,~~039~~224.8003 ~~175~~177,~~622~~480.2507 ~~105~~104,~~509~~999.0666 Unscheduled Principal 21,~~209~~010,~~870~~543.5693 68344,~~761~~441.0957 12,~~752~~050,~~649~~743.4426 Scheduled Interest ~~911~~889,~~480~~115.1025 ~~209~~206,~~176~~674.8371 ~~587~~575,~~340~~371.9176 Servicing Fees 3635,~~575~~701.1797 9,~~576~~463.6291 2322,~~450~~919.7902 Master Servicing Fees 0.00 0.00 ~~139~~130.2822 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 0.00 0.00 21,~~361~~798.6620 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 ~~874~~853,~~904~~413.9328 ~~199~~197,~~600~~210.2180 ~~561~~550,~~389~~524.1832 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 5.~~980180~~975953 5.~~210613~~209546 6.~~190491~~187776

Group Level Collateral Statement Group 4 Total Collateral Description Fixed 15 Year Fixed 30 Year Weighted Average Coupon Rate 5.~~653846~~646797 6.~~147546~~142833 Weighted Average Net Rate 5.~~400570~~393363 5.~~886384~~890231 Weighted Average Maturity ~~174~~172 ~~314~~312 Beginning Loan Count ~~107~~105 2,~~154~~117 Loans Paid In Full 10 2113 Ending Loan Count ~~106~~105 2,~~133~~104 Beginning Scheduled Balance 3735,~~970~~924,~~172~~387.7409 ~~368~~359,~~321~~484,~~739~~252.6655 Ending scheduled Balance 3635,~~402~~783,~~111~~078.74 ~~362~~355,~~266~~481,~~226~~511.4668 Record Date 0911/30/2003 0911/30/2003 Principal And Interest Constant ~~314~~299,~~382~~278.8791 2,~~478~~426,~~551~~144.8239 Scheduled Principal ~~135~~130,~~484~~230.9382 ~~591~~585,~~656~~934.0458 Unscheduled Principal 111,~~432,576~~077.0753 53,~~463~~416,~~857~~806.1629 Scheduled Interest ~~178~~169,~~897~~048.9409 1,~~886~~840,~~895~~209.7881 Servicing Fees 87,~~014~~587.1204 7775,~~616~~671.7094 Master Servicing Fees ~~150~~148.2174 ~~289~~278.4996 Trustee Fee 0.00 0.00 FRY Amount 0.00 0.00 Special Hazard Fee 0.00 0.00 Other Fee ~~181~~180.3016 21,~~542~~978.9636 Pool Insurance Fee 0.00 0.00 Spread Fee 1 0.00 0.00 Spread Fee 2 0.00 0.00 Spread Fee 3 0.00 0.00 Net Interest ~~170~~161,~~552~~132.3115 1,~~806~~762,~~446~~280.6355 Realized Loss Amount 0.00 0.00 Cumulative Realized Loss 0.00 0.00 Percentage of Cumulative Losses 0.000000 0.000000 Prepayment Penalties 0.00 0.00 Special Servicing Fee 0.00 0.00 Pass-Through Rate 5.~~390094~~382377 5.~~885441~~882696

Miscellaneous Reporting Group 1 Senior Percent 94.~~950528~~837066% Subordinate Percent 5.~~049472~~162934% Senior Prepayment Percent 100.000000% Group 2 Senior Percent 94.~~946999~~925863% Subordinate Percent 5.~~053001~~074137% Senior Prepayment Percent 100.000000% Group 3 Senior Percent 94.~~861441~~770741% Subordinate Percent 5.~~138559~~229259% Senior Prepayment Percent 100.000000%

Miscellaneous Reporting Group 4 Senior Percent 94.~~779627~~519795% Subordinate Percent 5.~~220373~~480205% Senior Prepayment Percent 100.000000%

Filing Compare · MORTGAGE ASSET SEC TRANS INC MASTR ALT LOAN TRUST 2003-6