8-K 1 mal04001_aug.txt AUGUST 8K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D. C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 25, 2004 MASTR ALTERNATIVE LOAN TRUST Mortgage Pass-Through Certificates, Series 2004-1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-106982-13 54-2142332 Pooling and Servicing Agreement) (Commission 54-2142333 (State or other File Number) IRS EIN jurisdiction of Incorporation) c/o Wells Fargo Bank, N.A. 9062 Old Annapolis Road Columbia, MD 21045 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (410) 884-2000 (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act(17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act(17 CFR 240.13e-4(c)) ITEM 8.01 Other Events On August 25, 2004 a distribution was made to holders of MASTR ALTERNATIVE LOAN TRUST, Mortgage Pass-Through Certificates, Series 2004-1 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 2004-1 Trust, relating to the August 25, 2004 distribution. Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. MASTR ALTERNATIVE LOAN TRUST Mortgage Pass-Through Certificates, Series 2004-1 Trust (Registrant) By: Wells Fargo Bank, N.A. as Master Servicer By: /s/ Beth Belfield as Assistant Vice President By: Beth Belfield as Assistant Vice President Date: 9/2/04 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2004-1 Trust, relating to the August 25, 2004 distribution. EX-99.1

MASTR Alternative Loan Trust Mortgage Pass-Through Certificates Record Date: 67/3031/04 Distribution Date: 78/2625/04 MAL Series: 2004-1 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-A1 576434LR3 SEN 5.00000% 6867,~~203~~360,~~769~~693.1999 ~~283~~280,~~862~~518.4603 ~~843~~831,~~075~~378.2076 1-A2 576434LS1 SEN 5.00000% 2,~~109~~083,~~336~~263.9316 8,~~779~~675.0158 2625,~~073~~712.7704 2-A1 576434LT9 SEN 7.00000% 24,~~989~~047,~~671~~848.2949 ~~145~~140,~~608~~203.9838 ~~941~~1,~~822~~704,778.8021 3-A1 576434LU6 SEN 7.00000% 2423,~~490~~184,~~948~~491.7155 ~~142~~135,~~703~~169.0485 1578,~~306,457~~127.1645 4-A1 576434LV4 SEN 5.50000% 6664,~~567~~520,~~371~~704.5626 ~~304~~295,~~757~~560.0024 2,~~046~~359,~~667~~275.3031 15-PO 576434LW2 PO 0.00000% 1,~~069~~058,~~167~~885.1936 0.00 1021,~~281~~919.8385 30-PO 576434LX0 PO 0.00000% 1,~~736~~623,~~051~~189.3484 0.00 ~~112~~75,~~861~~724.5166 15-AX 576434LY8 IO 5.00000% 0.00 21,~~547~~203.6359 0.00 30-AX 576434LZ5 IO 6.50000% 0.00 2928,~~698~~826.3598 0.00 B-1 576434MC5 SUB 5.~~77983~~78073% 5,~~935~~923,~~626~~707.7459 28,~~556~~520.9270 11,~~919~~990.1509 B-2 576434MD3 SUB 5.~~77983~~78073% 2,~~575~~570,~~669~~497.8674 12,~~391~~376.8210 5,~~172~~202.1391 B-3 576434ME1 SUB 5.~~77983~~78073% 1,~~119~~117,~~985~~736.6362 5,~~388~~381.3753 2,~~249~~262.0139 B-4 576434MF8 SUB 5.~~77983~~78073% 1,~~567~~564,~~583~~435.7795 7,~~541~~532.8124 3,~~147~~166.8255 B-5 576434MG6 SUB 5.~~77983~~78073% ~~896~~894,~~186~~386.5595 4,~~311~~306.6518 1,~~799~~810.6131 B-6 576434MH4 SUB 5.~~77983~~78073% ~~673~~672,~~457~~105.9560 3,~~240~~235.0897 1,~~352~~360.3540 A-LR 576434MA9 SEN 5.00000% 0.00 0.00 0.00 A-UR 576434MB7 SEN 5.00000% 0.00 0.00 0.00 Totals ~~201~~196,~~934~~621,~~826~~947.7110 ~~998~~971,~~387~~510.1237 5,~~312~~622,~~879~~708.6493

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1-A1 0.00 6766,~~360~~529,~~693~~315.9923 1,~~126~~111,~~937~~896.6679 0.00 1-A2 0.00 2,~~083~~057,~~263~~551.1612 34,~~852~~387.7862 0.00 2-A1 0.00 2422,~~047~~343,~~848~~070.4928 1,~~087~~844,~~431~~981.7859 0.00 3-A1 0.00 2322,~~184~~606,~~491~~364.5511 1713,~~449,160~~297.2030 0.00 4-A1 0.00 6462,~~520~~161,~~704~~428.2696 2,~~351~~654,~~424~~835.3055 0.00 15-PO 0.00 1,~~058~~036,~~885~~965.3651 1021,~~281~~919.8385 0.00 30-PO 0.00 1,~~623~~547,~~189~~465.8418 ~~112~~75,~~861~~724.5166 0.00 15-AX 0.00 0.00 21,~~547~~203.6359 0.00 30-AX 0.00 0.00 2928,~~698~~826.3598 0.00 B-1 0.00 5,~~923~~911,~~707~~717.5950 40,~~476~~510.0779 0.00 B-2 0.00 2,~~570~~565,~~497~~294.7483 17,~~563~~579.9501 0.00 B-3 0.00 1,~~117~~115,~~736~~474.6222 7,~~637~~643.3892 0.00 B-4 0.00 1,~~564~~561,~~435~~269.9540 10,~~689~~698.6379 0.00 B-5 0.00 ~~894~~892,~~386~~576.9563 6,~~111~~116.2649 0.00 B-6 0.00 ~~672~~670,~~105~~745.6020 4,~~592~~596.4337 0.00 A-LR 0.00 0.00 0.00 0.00 A-UR 0.00 0.00 0.00 0.00 Totals 0.00 ~~196~~190,~~621~~999,~~947~~238.1017 6,~~311~~594,~~266~~219.7630 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 72,752,000.00 6867,~~203~~360,~~769~~693.1999 ~~269~~268,~~063~~416.8939 ~~574~~562,~~011~~962.3138 0.00 0.00 1-A2 2,250,000.00 2,~~109~~083,~~336~~263.9316 8,~~321~~301.3331 17,~~752~~410.4473 0.00 0.00 2-A1 31,361,000.00 24,~~989~~047,~~671~~848.2949 2019,~~154~~542.2908 ~~921~~1,~~668~~685,236.5113 0.00 0.00 3-A1 31,602,000.00 2423,~~490~~184,~~948~~491.7155 1918,~~579~~676.6027 1559,~~286,877~~451.5617 0.00 0.00 4-A1 72,048,000.00 6664,~~567~~520,~~371~~704.5626 7169,~~721~~928.6576 12,~~974~~289,~~945~~346.6555 0.00 0.00 15-PO 1,144,842.60 1,~~069~~058,~~167~~885.1936 4,~~450~~452.2468 517,~~831~~467.5917 0.00 0.00 30-PO 2,145,915.98 1,~~736~~623,~~051~~189.3484 1,~~759~~662.9971 ~~111~~74,~~101~~061.5295 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 5,994,000.00 5,~~935~~923,~~626~~707.7459 11,~~919~~990.1509 0.00 0.00 0.00 B-2 2,601,000.00 2,~~575~~570,~~669~~497.8674 5,~~172~~202.1391 0.00 0.00 0.00 B-3 1,131,000.00 1,~~119~~117,~~985~~736.6362 2,~~249~~262.0139 0.00 0.00 0.00 B-4 1,583,000.00 1,~~567~~564,~~583~~435.7795 3,~~147~~166.8255 0.00 0.00 0.00 B-5 905,000.00 ~~896~~894,~~186~~386.5595 1,~~799~~810.6131 0.00 0.00 0.00 B-6 680,081.00 ~~673~~672,~~457~~105.9560 1,~~352~~360.3540 0.00 0.00 0.00 A-LR 50.00 0.00 0.00 0.00 0.00 0.00 A-UR 50.00 0.00 0.00 0.00 0.00 0.00 Totals 226,197,939.58 ~~201~~196,~~934~~621,~~826~~947.7110 ~~420~~416,~~691~~772.0685 45,~~892~~205,~~188~~936.5808 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 ~~843~~831,~~075~~378.2076 6766,~~360~~529,~~693~~315.9923 0.~~92589474~~91446717 ~~843~~831,~~075~~378.2076 1-A2 2625,~~073~~712.7704 2,~~083~~057,~~263~~551.1612 0.~~92589474~~91446716 2625,~~073~~712.7704 2-A1 ~~941~~1,~~822~~704,778.8021 2422,~~047~~343,~~848~~070.4928 0.~~76680745~~71244763 ~~941~~1,~~822~~704,778.8021 3-A1 1578,~~306,457~~127.1645 2322,~~184~~606,~~491~~364.5511 0.~~73364001~~71534599 1578,~~306,457~~127.1645 4-A1 2,~~046~~359,~~667~~275.3031 6462,~~520~~161,~~704~~428.2696 0.~~89552388~~86277799 2,~~046~~359,~~667~~275.3031 15-PO 1021,~~281~~919.8385 1,~~058~~036,~~885~~965.3651 0.~~92491785~~90577125 1021,~~281~~919.8385 30-PO ~~112~~75,~~861~~724.5166 1,~~623~~547,~~189~~465.8418 0.~~75640885~~72112105 ~~112~~75,~~861~~724.5166 15-AX 0.00 0.00 0.00000000 0.00 30-AX 0.00 0.00 0.00000000 0.00 B-1 11,~~919~~990.1509 5,~~923~~911,~~707~~717.5950 0.~~98827287~~98627252 11,~~919~~990.1509 B-2 5,~~172~~202.1391 2,~~570~~565,~~497~~294.7483 0.~~98827287~~98627252 5,~~172~~202.1391 B-3 2,~~249~~262.0139 1,~~117~~115,~~736~~474.6222 0.~~98827287~~98627252 2,~~249~~262.0139 B-4 3,~~147~~166.8255 1,~~564~~561,~~435~~269.9540 0.~~98827287~~98627252 3,~~147~~166.8255 B-5 1,~~799~~810.6131 ~~894~~892,~~386~~576.9563 0.~~98827287~~98627252 1,~~799~~810.6131 B-6 1,~~352~~360.3540 ~~672~~670,~~105~~745.6020 0.~~98827287~~98627252 1,~~352~~360.3540 A-LR 0.00 0.00 0.00000000 0.00 A-UR 0.00 0.00 0.00000000 0.00 Totals 5,~~312~~622,~~879~~708.6493 ~~196~~190,~~621~~999,~~947~~238.1017 0.~~86924729~~84438982 5,~~312~~622,~~879~~708.6493

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-A1 72,752,000.00 ~~937~~925.~~48308211~~89473815 3.~~69837104~~68947094 7.~~88997292~~73810177 0.00000000 1-A2 2,250,000.00 ~~937~~925.~~48308000~~89473778 3.~~69836889~~68947111 7.~~88997333~~73810222 0.00000000 2-A1 31,361,000.00 ~~796~~766.~~83910877~~80745161 0.~~64265457~~62313319 2953.~~38900258~~73668346 0.00000000 3-A1 31,602,000.00 ~~774~~733.~~98097304~~64000854 0.~~61956838~~59098380 4017.~~72139611~~70303050 0.00000000 4-A1 72,048,000.00 ~~923~~895.~~93087331~~52387658 0.~~99547038~~97058572 2731.~~41152634~~77529633 0.00000000 15-PO 1,144,842.60 ~~933~~924.~~89885212~~91785334 3.~~88720685~~88933815 515.~~09379193~~25726768 0.00000000 30-PO 2,145,915.98 ~~809~~756.~~00247548~~40885064 0.~~82015793~~77482530 5134.~~77347158~~51297753 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 5,994,000.00 ~~990~~988.~~26138472~~27287120 12.~~98851351~~00034868 0.00000000 0.00000000 B-2 2,601,000.00 ~~990~~988.~~26138408~~27287197 12.~~98851596~~00034987 0.00000000 0.00000000 B-3 1,131,000.00 ~~990~~988.~~26138815~~27287356 12.~~98851459~~00034483 0.00000000 0.00000000 B-4 1,583,000.00 ~~990~~988.~~26138345~~27286797 12.~~98851548~~00034744 0.00000000 0.00000000 B-5 905,000.00 ~~990~~988.~~26138122~~27287293 12.~~98851934~~00034254 0.00000000 0.00000000 B-6 680,081.00 ~~990~~988.~~26138063~~27286750 12.~~98851313~~00034996 0.00000000 0.00000000 A-LR 50.00 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 50.00 0.00000000 0.00000000 0.00000000 0.00000000 (2) All Classes are per $1,000 denomination.

Principal Distribution Factors Statement (continued) Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution 1-A1 0.00000000 11.~~58834396~~42757258 ~~925~~914.~~89473815~~46716558 0.~~92589474~~91446717 11.~~58834396~~42757258 1-A2 0.00000000 11.~~58834222~~42757333 ~~925~~914.~~89473778~~46716444 0.~~92589474~~91446716 11.~~58834222~~42757333 2-A1 0.00000000 3054.~~03165715~~35981665 ~~766~~712.~~80745161~~44763496 0.~~76680745~~71244763 3054.~~03165715~~35981665 3-A1 0.00000000 4118.~~34096450~~29401462 ~~733~~715.~~64000854~~34599424 0.~~73364001~~71534599 4118.~~34096450~~29401462 4-A1 0.00000000 2832.~~40699672~~74588205 ~~895~~862.~~52387658~~77799467 0.~~89552388~~86277799 2832.~~40699672~~74588205 15-PO 0.00000000 819.~~98099879~~14660583 ~~924~~905.~~91785334~~77124751 0.~~92491785~~90577125 819.~~98099879~~14660583 30-PO 0.00000000 5235.~~59362950~~28780283 ~~756~~721.~~40885064~~12104781 0.~~75640885~~72112105 5235.~~59362950~~28780283 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 12.~~98851351~~00034868 ~~988~~986.~~27287120~~27252252 0.~~98827287~~98627252 12.~~98851351~~00034868 B-2 0.00000000 12.~~98851596~~00034987 ~~988~~986.~~27287197~~27252211 0.~~98827287~~98627252 12.~~98851596~~00034987 B-3 0.00000000 12.~~98851459~~00034483 ~~988~~986.~~27287356~~27251989 0.~~98827287~~98627252 12.~~98851459~~00034483 B-4 0.00000000 12.~~98851548~~00034744 ~~988~~986.~~27286797~~27252053 0.~~98827287~~98627252 12.~~98851548~~00034744 B-5 0.00000000 12.~~98851934~~00034254 ~~988~~986.~~27287293~~27251934 0.~~98827287~~98627252 12.~~98851934~~00034254 B-6 0.00000000 12.~~98851313~~00034996 ~~988~~986.~~27286750~~27251754 0.~~98827287~~98627252 12.~~98851313~~00034996 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 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-A1 72,752,000.00 5.00000% 6867,~~203~~360,~~769~~693.1999 ~~284~~280,~~182~~669.3756 0.00 0.00 1-A2 2,250,000.00 5.00000% 2,~~109~~083,~~336~~263.9316 8,~~788~~680.9026 0.00 0.00 2-A1 31,361,000.00 7.00000% 24,~~989~~047,~~671~~848.2949 ~~145~~140,~~773~~279.0812 0.00 0.00 3-A1 31,602,000.00 7.00000% 2423,~~490~~184,~~948~~491.7155 ~~142~~135,~~863~~242.87 0.00 0.00 4-A1 72,048,000.00 5.50000% 6664,~~567~~520,~~371~~704.5626 ~~305~~295,~~100~~719.4589 0.00 0.00 15-PO 1,144,842.60 0.00000% 1,~~069~~058,~~167~~885.1936 0.00 0.00 0.00 30-PO 2,145,915.98 0.00000% 1,~~736~~623,~~051~~189.3484 0.00 0.00 0.00 15-AX 0.00 5.00000% 5,~~177~~091,~~259~~610.0009 21,~~571~~215.9104 0.00 0.00 30-AX 0.00 6.50000% 5,~~488~~324,~~951~~778.3897 2928,~~731~~842.8255 0.00 0.00 B-1 5,994,000.00 5.~~77983~~78073% 5,~~935~~923,~~626~~707.7459 28,~~589~~536.1011 0.00 0.00 B-2 2,601,000.00 5.~~77983~~78073% 2,~~575~~570,~~669~~497.8674 12,~~405~~382.7879 0.00 0.00 B-3 1,131,000.00 5.~~77983~~78073% 1,~~119~~117,~~985~~736.6362 5,~~394~~384.44 0.00 0.00 B-4 1,583,000.00 5.~~77983~~78073% 1,~~567~~564,~~583~~435.7795 7,~~550~~536.31 0.00 0.00 B-5 905,000.00 5.~~77983~~78073% ~~896~~894,~~186~~386.5595 4,~~316~~308.51 0.00 0.00 B-6 680,081.00 5.~~77983~~78073% ~~673~~672,~~457~~105.9560 3,~~243~~237.7372 0.00 0.00 A-LR 50.00 5.00000% 0.00 0.00 0.00 0.00 A-UR 50.00 5.00000% 0.00 0.00 0.00 0.00 Totals 226,197,939.58 ~~999~~972,~~512~~035.2717 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 ~~319~~151.9153 0.00 ~~283~~280,~~862~~518.4603 0.00 6766,~~360~~529,~~693~~315.9923 1-A2 94.8969 0.00 8,~~779~~675.0158 0.00 2,~~083~~057,~~263~~551.1612 2-A1 ~~164~~75.1073 0.00 ~~145~~140,~~608~~203.9838 0.00 2422,~~047~~343,~~848~~070.4928 3-A1 ~~160~~73.8202 0.00 ~~142~~135,~~703~~169.0485 0.00 2322,~~184~~606,~~491~~364.5511 4-A1 ~~343~~159.4565 0.00 ~~304~~295,~~757~~560.0024 0.00 6462,~~520~~161,~~704~~428.2696 15-PO 0.00 0.00 0.00 0.00 1,~~058~~036,~~885~~965.3651 30-PO 0.00 0.00 0.00 0.00 1,~~623~~547,~~189~~465.8418 15-AX 2411.2845 0.00 21,~~547~~203.6359 0.00 5,~~091~~044,~~610~~527.0993 30-AX 3315.4757 0.00 2928,~~698~~826.3598 0.00 5,~~324~~117,~~778~~883.9770 B-1 3215.1841 0.00 28,~~556~~520.9270 0.00 5,~~923~~911,~~707~~717.5950 B-2 136.9769 0.00 12,~~391~~376.8210 0.00 2,~~570~~565,~~497~~294.7483 B-3 62.0791 0.00 5,~~388~~381.3753 0.00 1,~~117~~115,~~736~~474.6222 B-4 84.5007 0.00 7,~~541~~532.8124 0.00 1,~~564~~561,~~435~~269.9540 B-5 42.8633 0.00 4,~~311~~306.6518 0.00 ~~894~~892,~~386~~576.9563 B-6 31.6575 0.00 3,~~240~~235.0897 0.00 ~~672~~670,~~105~~745.6020 A-LR 0.00 0.00 0.00 0.00 0.00 A-UR 0.00 0.00 0.00 0.00 0.00 Totals ~~1,125~~524.1580 0.00 ~~998~~971,~~387~~510.1237 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 72,752,000.00 5.00000% ~~937~~925.~~48308211~~89473815 3.~~90617949~~85789477 0.00000000 0.00000000 1-A2 2,250,000.00 5.00000% ~~937~~925.~~48308000~~89473778 3.~~90617778~~85789333 0.00000000 0.00000000 2-A1 31,361,000.00 7.00000% ~~796~~766.~~83910877~~80745161 4.~~64822805~~47304359 0.00000000 0.00000000 3-A1 31,602,000.00 7.00000% ~~774~~733.~~98097304~~64000854 4.~~52072242~~27956680 0.00000000 0.00000000 4-A1 72,048,000.00 5.50000% ~~923~~895.~~93087331~~52387658 4.~~23468313~~10448437 0.00000000 0.00000000 15-PO 1,144,842.60 0.00000% ~~933~~924.~~89885212~~91785334 0.00000000 0.00000000 0.00000000 30-PO 2,145,915.98 0.00000% ~~809~~756.~~00247548~~40885064 0.00000000 0.00000000 0.00000000 15-AX 0.00 5.00000% ~~948~~932.~~04977879~~36591399 3.~~95020695~~88485760 0.00000000 0.00000000 30-AX 0.00 6.50000% ~~835~~810.~~84259849~~84287008 4.~~52748075~~39206513 0.00000000 0.00000000 B-1 5,994,000.00 5.~~77983~~78073% ~~990~~988.~~26138472~~27287120 4.~~76961962~~76077911 0.00000000 0.00000000 B-2 2,601,000.00 5.~~77983~~78073% ~~990~~988.~~26138408~~27287197 4.~~76961938~~76078047 0.00000000 0.00000000 B-3 1,131,000.00 5.~~77983~~78073% ~~990~~988.~~26138815~~27287356 4.~~76961981~~76077807 0.00000000 0.00000000 B-4 1,583,000.00 5.~~77983~~78073% ~~990~~988.~~26138345~~27286797 4.~~76962097~~76077701 0.00000000 0.00000000 B-5 905,000.00 5.~~77983~~78073% ~~990~~988.~~26138122~~27287293 4.~~76962431~~76078453 0.00000000 0.00000000 B-6 680,081.00 5.~~77983~~78073% ~~990~~988.~~26138063~~27286750 4.~~76962303~~76078585 0.00000000 0.00000000 A-LR 50.00 5.00000% 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 50.00 5.00000% 0.00000000 0.00000000 0.00000000 0.00000000 (5) All Classes are per $1,000 denomination

Interest Distribution Factors Statement (continued) Remaining Ending Non-Supported Total Unpaid Certificate/ Interest Realized Interest Interest Notional Class Shortfall Losses (6) Distribution Shortfall Balance 1-A1 0.~~00439727~~00208283 0.00000000 3.~~90178222~~85581194 0.00000000 ~~925~~914.~~89473815~~46716558 1-A2 0.~~00439556~~00208444 0.00000000 3.~~90178222~~85581333 0.00000000 ~~925~~914.~~89473778~~46716444 2-A1 0.~~00523261~~00241478 0.00000000 4.~~64299544~~47062849 0.00000000 ~~766~~712.~~80745161~~44763496 3-A1 0.~~00508892~~00231061 0.00000000 4.~~51563319~~27725619 0.00000000 ~~733~~715.~~64000854~~34599424 4-A1 0.~~00476696~~00221588 0.00000000 4.~~22991617~~10226849 0.00000000 ~~895~~862.~~52387658~~77799467 15-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~924~~905.~~91785334~~77124751 30-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~756~~721.~~40885064~~12104781 15-AX 0.~~00444611~~00209670 0.00000000 3.~~94576085~~88276090 0.00000000 ~~932~~923.~~36591399~~74431879 30-AX 0.~~00509672~~00237096 0.00000000 4.~~52238402~~38969417 0.00000000 ~~810~~779.~~84287008~~33742065 B-1 0.~~00536870~~00257090 0.00000000 4.~~76425092~~75820821 0.00000000 ~~988~~986.~~27287120~~27252252 B-2 0.~~00537101~~00257209 0.00000000 4.~~76425221~~75820838 0.00000000 ~~988~~986.~~27287197~~27252211 B-3 0.~~00536693~~00257294 0.00000000 4.~~76425287~~75820513 0.00000000 ~~988~~986.~~27287356~~27251989 B-4 0.~~00536955~~00257107 0.00000000 4.~~76425142~~75820594 0.00000000 ~~988~~986.~~27286797~~27252053 B-5 0.~~00537017~~00257459 0.00000000 4.~~76425414~~75820994 0.00000000 ~~988~~986.~~27287293~~27251934 B-6 0.~~00536701~~00257322 0.00000000 4.~~76425602~~75821262 0.00000000 ~~988~~986.~~27286750~~27251754 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 0.00000000 0.00000000 0.00000000 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 PO-2 0.00000% 0.00 0.00 ~~921,114.60~~ 844,203.12 67769,442.~~14029108~~03 61.19446924% PO-3 0.00000% 0.00 0.00 ~~270~~247,~~015~~717.2091 247,~~717~~458.9184 72.~~76446679~~68836777% PO-4 0.00000% 0.00 0.00 ~~544,921.55~~ 531,268.81 530,564.30 96.~~92809482~~79955949% 30-AX-1 6.50000% 1,~~437~~434,~~980~~943.6651 1,~~434~~351,~~943~~278.51 0.00 0.00 7773.~~70344656~~17291360% 30-AX-2 6.50000% ~~968,946.81~~ 911,361.24 857,071.86 0.00 0.00 8176.~~59494552~~73437124% 30-AX-3 6.50000% 32,~~082~~978,~~023~~474.9023 2,~~978~~909,~~474~~533.2333 0.00 0.00 8280.~~65865911~~74541028%

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal 6,~~314~~605,~~604~~513.8953 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 4031,~~577~~504.8882 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 6,~~355~~637,~~182~~018.7735 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 4342,~~916~~799.0105 Payment of Interest and Principal 6,~~311~~594,~~266~~219.7630 Total Withdrawals (Pool Distribution Amount) 6,~~355~~637,~~182~~018.7735 Ending Balance 0.00

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall ~~1,125~~524.1580 Servicing Fee Support 0.00 Non-Supported Prepayment/Curtailment Interest Shortfall ~~1,125~~524.1580

SERVICING FEES Gross Servicing Fee 4342,~~890~~773.4857 Master Servicing Fee 25.5348 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 4342,~~916~~799.0105

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 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 2317 0 0 0 2317 42,~~155~~945,~~584~~834.1783 0.00 0.00 0.00 42,~~155~~945,~~584~~834.1783 60 Days 23 0 0 0 23 ~~661~~793,~~911~~922.9138 0.00 0.00 0.00 ~~661~~793,~~911~~922.9138 90 Days 1 0 0 0 1 ~~510~~299,~~614~~054.7855 0.00 0.00 0.00 ~~510~~299,~~614~~054.7855 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 10 0 10 0.00 0.00 ~~422,708~~0.9000 0.00 ~~422,708~~0.9000 180+ Days 0 0 01 0 01 0.00 0.00 0422,708.0090 0.00 0422,708.0090 Totals 2621 0 1 0 2722 54,~~328~~038,~~110~~811.8676 0.00 422,708.90 0.00 54,~~750~~461,~~819~~520.7666 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 21.~~117864~~591760% 0.000000% 0.000000% 0.000000% 21.~~117864~~591760% 21.~~109717~~539658% 0.000000% 0.000000% 0.000000% 21.~~109717~~539658% 60 Days 0.~~184162~~280899% 0.000000% 0.000000% 0.000000% 0.~~184162~~280899% 0.~~336041~~414948% 0.000000% 0.000000% 0.000000% 0.~~336041~~414948% 90 Days 0.~~092081~~093633% 0.000000% 0.000000% 0.000000% 0.~~092081~~093633% 0.~~259230~~156303% 0.000000% 0.000000% 0.000000% 0.~~259230~~156303% 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.~~092081~~000000% 0.000000% 0.~~092081~~000000% 0.000000% 0.000000% 0.~~214602~~000000% 0.000000% 0.~~214602~~000000% 180+ Days 0.000000% 0.000000% 0.~~000000~~093633% 0.000000% 0.~~000000~~093633% 0.000000% 0.000000% 0.~~000000~~220931% 0.000000% 0.~~000000~~220931% Totals 21.~~394107~~966292% 0.000000% 0.~~092081~~093633% 0.000000% 2.~~486188~~059925% 2.~~704988~~110909% 0.000000% 0.~~214602~~220931% 0.000000% 2.~~919590~~331840%

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 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 126 0 0 0 126 1583,~~047,448~~379.6945 0.00 0.00 0.00 1583,~~047,448~~379.6945 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 126 0 0 0 126 1583,~~047,448~~379.6945 0.00 0.00 0.00 1583,~~047,448~~379.6945 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 10.~~791045~~902256% 0.000000% 0.000000% 0.000000% 10.~~791045~~902256% 10.~~392084~~784826% 0.000000% 0.000000% 0.000000% 10.~~392084~~784826% 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 10.~~791045~~902256% 0.000000% 0.000000% 0.000000% 10.~~791045~~902256% 10.~~392084~~784826% 0.000000% 0.000000% 0.000000% 10.~~392084~~784826% 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 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 8 0 0 0 8 1,~~829~~460,~~266~~202.1026 0.00 0.00 0.00 1,~~829~~460,~~266~~202.1026 60 Days 2 0 0 0 2 ~~661~~427,~~911~~714.9154 0.00 0.00 0.00 ~~661~~427,~~911~~714.9154 90 Days 01 0 0 0 01 0299,054.0055 0.00 0.00 0.00 0299,054.0055 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 10 0 10 0.00 0.00 ~~422,708~~0.9000 0.00 ~~422,708~~0.9000 180 Days 0 0 01 0 01 0.00 0.00 0422,708.0090 0.00 0422,708.0090 Totals 1011 0 1 0 1112 2,~~491~~186,~~178~~971.0135 0.00 422,708.90 0.00 2,~~913~~609,~~886~~680.9125 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 7.~~407407~~843137% 0.000000% 0.000000% 0.000000% 7.~~407407~~843137% 65.~~806018~~818683% 0.000000% 0.000000% 0.000000% 65.~~806018~~818683% 60 Days 1.~~851852~~960784% 0.000000% 0.000000% 0.000000% 1.~~851852~~960784% 21.~~462728~~704377% 0.000000% 0.000000% 0.000000% 21.~~462728~~704377% 90 Days 0.~~000000~~980392% 0.000000% 0.000000% 0.000000% 0.~~000000~~980392% 01.~~000000~~191687% 0.000000% 0.000000% 0.000000% 01.~~000000~~191687% 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.~~925926~~000000% 0.000000% 0.~~925926~~000000% 0.000000% 0.000000% 10.~~572742~~000000% 0.000000% 10.~~572742~~000000% 180 Days 0.000000% 0.000000% 0.~~000000~~980392% 0.000000% 0.~~000000~~980392% 0.000000% 0.000000% 01.~~000000~~684430% 0.000000% 01.~~000000~~684430% Totals 910.~~259259~~784314% 0.000000% 0.~~925926~~980392% 0.000000% 1011.~~185185~~764706% 98.~~268746~~714747% 0.000000% 1.~~572742~~684430% 0.000000% 10.~~841489~~399177% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group 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 21 0 0 0 21 ~~947~~509,~~266~~324.0498 0.00 0.00 0.00 ~~947~~509,~~266~~324.0498 60 Days 01 0 0 0 01 0366,207.0084 0.00 0.00 0.00 0366,207.0084 90 Days 10 0 0 0 10 ~~510,614~~0.7800 0.00 0.00 0.00 ~~510,614~~0.7800 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 32 0 0 0 32 1875,~~457,880~~532.82 0.00 0.00 0.00 1875,~~457,880~~532.82 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 10.~~960784~~990099% 0.000000% 0.000000% 0.000000% 10.~~960784~~990099% 32.~~733478~~054498% 0.000000% 0.000000% 0.000000% 32.~~733478~~054498% 60 Days 0.~~000000~~990099% 0.000000% 0.000000% 0.000000% 0.~~000000~~990099% 01.~~000000~~477197% 0.000000% 0.000000% 0.000000% 01.~~000000~~477197% 90 Days 0.~~980392~~000000% 0.000000% 0.000000% 0.000000% 0.~~980392~~000000% 20.~~012496~~000000% 0.000000% 0.000000% 0.000000% 20.~~012496~~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 21.~~941176~~980198% 0.000000% 0.000000% 0.000000% 21.~~941176~~980198% 53.~~745974~~531694% 0.000000% 0.000000% 0.000000% 53.~~745974~~531694% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group 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 12 0 0 0 12 ~~331~~392,~~603~~928.3414 0.00 0.00 0.00 ~~331~~392,~~603~~928.3414 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 12 0 0 0 12 ~~331~~392,~~603~~928.3414 0.00 0.00 0.00 ~~331~~392,~~603~~928.3414 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 01.~~485437~~000000% 0.000000% 0.000000% 0.000000% 01.~~485437~~000000% 0.~~477258~~585478% 0.000000% 0.000000% 0.000000% 0.~~477258~~585478% 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 01.~~485437~~000000% 0.000000% 0.000000% 0.000000% 01.~~485437~~000000% 0.~~477258~~585478% 0.000000% 0.000000% 0.000000% 0.~~477258~~585478%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 4031,~~577~~504.8882

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 143,911.00 0.06362171% 143,911.00 0.~~07319173~~07534637% Fraud 4,523,959.00 2.00000009% 4,523,959.00 2.~~30084132~~36857437% Special Hazard 3,542,398.00 1.56606113% 3,542,398.00 1.~~80162899~~85466604% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Mixed Fixed Weighted Average Gross Coupon 6.~~200584~~193617% Weighted Average Pass-Through Rate 5.~~939613~~932411% Weighted Average Maturity(Stepdown Calculation ) ~~287~~286 Beginning Scheduled Collateral Loan Count 1,~~105~~086 Number Of Loans Paid In Full 1918 Ending Scheduled Collateral Loan Count 1,~~086~~068 Beginning Scheduled Collateral Balance ~~201~~196,~~934~~621,~~826~~947.7310 Ending Scheduled Collateral Balance ~~196~~190,~~621~~999,~~947~~238.1018 Ending Actual Collateral Balance at 3031-~~Jun~~Jul-2004 ~~196~~191,~~973~~330,~~532~~449.3148 Monthly P &I Constant 1,~~464~~431,~~119~~607.2411 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 56,~~989~~334,~~247~~196.1240 Class AP Deferred Amount 0.00 Ending Scheduled Balance for Premium Loans ~~196~~190,~~621~~999,~~947~~238.1018 Scheduled Principal ~~420~~416,~~691~~772.0585 Unscheduled Principal 45,~~892~~205,~~188~~936.5807

Group Level Collateral Statement Group Group 1 Group 2 Group 3 Collateral Description Fixed 15 Year Fixed 30 Year Fixed 30 Year Weighted Average Coupon Rate 5.~~520632~~518846 7.~~413034~~438491 7.~~421586~~421977 Weighted Average Net Rate 5.~~270631~~268846 7.~~163033~~188492 7.~~171585~~171978 Weighted Average Maturity ~~171~~170 ~~353~~ 352 351 Beginning Loan Count ~~676~~670 ~~111~~108 ~~107~~102 Loans Paid In Full 5 6 31 5 Ending Loan Count ~~670~~665 ~~108~~ 102 101 Beginning Scheduled Balance 75,~~898~~000,~~153~~907.2631 2726,~~875~~854,~~023~~705.8338 2625,~~684~~353,~~042~~750.4860 Ending scheduled Balance 7574,~~000~~103,~~907~~972.3194 2625,~~854~~073,~~705~~571.3817 2524,~~353~~773,~~750~~816.6019 Record Date 0607/3031/2004 0607/3031/2004 0607/3031/2004 Principal And Interest Constant ~~648~~644,~~822~~026.0614 ~~194~~188,~~804~~404.3400 ~~186~~177,~~380~~250.3356 Scheduled Principal 299,~~650~~094.6110 2221,~~605~~938.60 2120,~~348~~438.7409 Unscheduled Principal 597,~~595~~840.3427 ~~997~~1,~~712~~759,195.8561 1559,~~308,943~~496.1432 Scheduled Interest ~~349~~344,~~171~~932.4504 ~~172~~166,~~198~~465.7440 ~~165~~156,~~031~~812.5947 Servicing Fees 15,~~812~~625.1219 5,~~807~~594.3170 5,~~559~~282.1902 Master Servicing Fees 0.00 20.5047 0.00 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 1,~~350~~349.7364 142.1301 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 ~~333~~329,~~359~~306.3385 ~~165~~159,~~020~~500.2059 ~~159~~151,~~330~~388.2744 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.~~270632~~268846 7.~~104004~~127267 7.~~165194~~165256

Group Level Collateral Statement Group Group 4 Total Collateral Description Fixed 30 Year Mixed Fixed Weighted Average Coupon Rate 5.~~993929~~992418 6.~~200584~~193617 Weighted Average Net Rate 5.~~743929~~742418 5.~~950584~~943618 Weighted Average Maturity ~~349~~348 ~~287~~286 Beginning Loan Count ~~211~~206 1,~~105~~086 Loans Paid In Full 56 1918 Ending Loan Count ~~206~~200 1,~~086~~068 Beginning Scheduled Balance 7169,~~477~~412,~~607~~583.1681 ~~201~~196,~~934~~621,~~826~~947.7310 Ending scheduled Balance 6967,~~412~~047,~~583~~877.8188 ~~196~~190,~~621~~999,~~947~~238.1018 Record Date 0607/3031/2004 0607/3031/2004 Principal And Interest Constant ~~434~~421,~~112~~926.5141 1,~~464~~431,~~119~~607.2411 Scheduled Principal 7775,~~086~~302.1006 ~~420~~416,~~691~~772.0585 Unscheduled Principal 12,~~987~~289,~~937~~403.2587 45,~~892~~205,~~188~~936.5807 Scheduled Interest ~~357~~346,~~026~~624.4135 1,~~043~~014,~~428~~834.1926 Servicing Fees 14,~~891~~460.1897 4240,~~069~~962.8088 Master Servicing Fees 5.0301 25.5348 Trustee Fee 0.00 0.00 FRY Amount 0.00 0.00 Special Hazard Fee 0.00 0.00 Other Fee ~~327~~318.7699 1,~~820~~810.6264 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 ~~341~~331,~~802~~839.4438 ~~999~~972,~~512~~035.2426 Realized Loss Amount 0.00 0.00 Cumulative Realized Loss 0.00 0.00 Percentage of Cumulative Losses 0.0000 0.0000 Prepayment Penalties 0.00 0.00 Special Servicing Fee 0.00 0.00 Pass-Through Rate 5.~~738342~~736817 5.~~939613~~932411

Miscellaneous Reporting Group Group 1 Subordinate % 6.~~034934~~083232% Senior Prepayment % 100.000000% Senior % 93.~~965066~~916768% Group Group 2 Subordinate % 7.~~287396~~545621% Senior Prepayment % 100.000000% Senior % 92.~~712604~~454379% Group Group 3 Subordinate % 7.~~280520~~653703% Senior Prepayment % 100.000000% Senior % 92.~~719480~~346297%

Miscellaneous Reporting Group Group 4 Subordinate % 6.~~154164~~330615% Senior Prepayment % 100.000000% Senior % 93.~~845836~~669385%

Filing Compare · MORTGAGE ASSET SEC TRANS INC MORT PS THR CERTS 2004-1