8-K 1 mss05001_10505.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D. C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 25, 2005 MASTR SEASONED SECURITIZATION TRUST Mortgage Pass-Through Certificates, Series 2005-1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-106982-65 Pooling and Servicing Agreement) (Commission 54-2169490 (State or other File Number) 54-2169491 jurisdiction IRS EIN of Incorporation) c/o Wells Fargo Bank, N.A. 9062 Old Annapolis Road Columbia, MD 21045 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (410) 884-2000 (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act(17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act(17 CFR 240.13e-4(c)) ITEM 8.01 Other Events On May 25, 2005 a distribution was made to holders of MASTR SEASONED SECURITIZATION TRUST, Mortgage Pass-Through Certificates, Series 2005-1 Trust. ITEM 9.01 Financial Statements and Exhibits (c) Exhibits Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2005-1 Trust, relating to the May 25, 2005 distribution. Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. MASTR SEASONED SECURITIZATION TRUST Mortgage Pass-Through Certificates, Series 2005-1 Trust (Registrant) By: Wells Fargo Bank, N.A. as Master Servicer By: /s/ Beth Belfield as Officer By: Beth Belfield as Officer Date: 5/31/2005 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2005-1 Trust, relating to the May 25, 2005 distribution. EX-99.1

MASTR Seasoned Securitization Trust Mortgage Pass-Through Certificates Record Date: 34/3129/052005 Distribution Date: 45/25/052005 MASTR Seasoned Securitization Trust Mortgage Pass-Through Certificates Series 2005-1 Contact: Customer Service - CTSLink Wells Fargo Bank, N.A. Securities Administration Services 7485 New Horizon Way Frederick, MD 21703 Telephone: (301) 815-6600 Fax: (301) 815-6660 Certificateholder Distribution Summary Certificate Certificate Beginning Class Pass-Through Certificate Interest Principal Class CUSIP Description Rate Balance Distribution Distribution 1-A-1 55265WCF8 SEN 6.~~73000~~73670% ~~200~~195,~~960~~359,~~000~~585.0090 1,~~127~~094,~~050~~657.6753 510,~~600~~194,~~414~~880.1022 2-A-1 55265WCH4 SEN 6.~~19600~~19919% ~~106~~103,~~791~~657,~~000~~071.0035 ~~549~~535,~~683~~491.3399 34,~~133~~132,~~928~~515.6587 3-A-1 55265WCJ0 SEN 5.~~88100~~90359% 5249,~~510~~939,~~000~~900.0038 ~~257~~245,~~342~~687.7627 21,~~570~~932,~~099~~123.6219 4-A-1 55265WCK7 SEN 5.~~92500~~90226% 5150,~~655~~473,~~000~~695.0028 ~~255~~248,~~046~~257.56 12,~~181~~294,~~304~~474.7237 4-A-2 55265WCL5 SEN 5.~~92500~~90226% 5,~~740~~608,~~000~~731.0022 2827,~~341~~586.2584 ~~131~~254,~~268~~966.7827 AL-R 55265WCM3 RES 6.~~73000~~73462% 500.00 0.2800 500.00 A-UR 55265WCN1 SEN 6.~~73000~~73462% 500.00 0.2800 500.00 15-B-1 55265WCP6 SUB 6.~~19600~~19919% ~~432~~429,~~000~~654.0064 2,~~223~~219.6359 2,~~345~~363.3686 15-B-2 55265WCQ4 SUB 6.~~19600~~19919% ~~215~~213,~~000~~832.0075 1,~~106~~104.6766 1,~~167~~176.2546 15-B-3 55265WCR2 SUB 6.~~19600~~19919% ~~161~~160,~~000~~125.0092 ~~828~~827.7221 ~~874~~880.0897 30-B-1 55265WCS0 SUB 6.~~73000~~73670% 5,~~015~~008,~~000~~001.0084 28,~~125~~061.7932 67,~~998~~056.1654 30-B-2 55265WCT8 SUB 6.~~73000~~73670% ~~414~~413,~~000~~422.0029 2,~~321~~316.8553 ~~577~~582.7153 30-B-3 55265WCU5 SUB 6.~~73000~~73670% ~~310~~309,~~000~~567.0041 1,~~738~~734.5860 ~~432~~436.5920 HY-B-1 55265WCV3 SUB 5.~~90400~~90290% 2,~~246~~243,~~000~~987.0048 11,~~050~~038.3236 2,~~012~~023.5223 HY-B-2 55265WCW1 SUB 5.~~90400~~90290% ~~339~~338,~~000~~696.0024 1,~~667~~666.8807 ~~303~~305.7638 HY-B-3 55265WCX9 SUB 5.~~90400~~90290% ~~226~~225,~~000~~797.0049 1,~~111~~110.9272 ~~202~~203.5158 CB-4 55265WCY7 SUB 6.~~35400~~35685% ~~427~~426,~~000~~054.0076 2,~~259~~254.3289 ~~945~~952.2452 CB-5 55265WCZ4 SUB 6.~~35400~~35685% ~~269~~268,~~000~~404.0052 1,~~423~~420.3253 ~~595~~600.4807 CB-6 55265WDA8 SUB 6.~~35400~~35685% ~~435~~434,~~575~~610.0280 2,~~304~~300.6918 ~~964~~971.2265 Totals ~~428~~415,~~145~~511,~~675~~140.0227 2,~~273~~207,~~627~~735.8285 1218,~~634~~826,~~534~~512.7591

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1-A-1 0.00 ~~195~~185,~~359~~164,~~585~~705.9068 611,~~727~~289,~~464~~537.7775 0.00 2-A-1 0.00 ~~103~~99,~~657~~524,~~071~~555.3548 34,~~683~~668,~~611~~007.9886 0.00 3-A-1 0.00 4948,~~939~~007,~~900~~777.3819 2,~~827~~177,~~442~~810.3846 0.00 4-A-1 0.00 5048,~~473~~179,~~695~~220.2891 12,~~436~~542,~~351~~731.2893 0.00 4-A-2 0.00 5,~~608~~353,~~731~~764.2294 ~~159~~282,~~610~~553.0311 0.00 AL-R 0.00 0.00 500.2800 0.00 A-UR 0.00 0.00 500.2800 0.00 15-B-1 0.00 ~~429~~427,~~654~~290.6478 4,~~568~~583.9945 0.00 15-B-2 0.00 ~~213~~212,~~832~~656.7529 2,~~273~~281.9212 0.00 15-B-3 0.00 ~~160~~159,~~125~~244.9295 1,~~702~~708.8018 0.00 30-B-1 0.00 5,~~008~~000,~~001~~945.8429 35,~~123~~117.9586 0.00 30-B-2 0.00 ~~413~~412,~~422~~839.2975 2,899.5606 0.00 30-B-3 0.00 309,~~567~~131.4121 2,~~171~~170.1780 0.00 HY-B-1 0.00 2,~~243~~241,~~987~~964.4824 13,~~062~~061.8459 0.00 HY-B-2 0.00 338,~~696~~390.2486 1,971.6445 0.00 HY-B-3 0.00 225,~~797~~593.4991 1,314.4330 0.00 CB-4 0.00 ~~426~~425,~~054~~102.7624 3,~~204~~207.5641 0.00 CB-5 0.00 ~~268~~267,~~404~~804.5245 2,~~018~~020.8060 0.00 CB-6 0.00 ~~434~~433,~~610~~639.8015 3,~~268~~271.9183 0.00 Totals 0.00 ~~415~~396,~~511~~684,~~140~~627.2732 1421,~~908~~034,~~162~~248.5776 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-1 200,960,000.00 ~~200~~195,~~960~~359,~~000~~585.0090 ~~280~~275,~~424~~272.0111 59,~~319~~919,~~990~~608.1011 0.00 0.00 2-A-1 106,791,000.00 ~~106~~103,~~791~~657,~~000~~071.0035 ~~579~~570,~~775~~296.6665 23,~~554~~562,~~152~~219.9922 0.00 0.00 3-A-1 52,510,000.00 5249,~~510~~939,~~000~~900.0038 4947,~~490~~266.7528 21,~~520~~884,~~608~~856.8791 0.00 0.00 4-A-1 51,655,000.00 5150,~~655~~473,~~000~~695.0028 4443,~~089~~437.7363 12,~~137~~251,~~214~~036.9974 0.00 0.00 4-A-2 5,740,000.00 5,~~740~~608,~~000~~731.0022 4,~~899~~826.3387 ~~126~~250,~~369~~139.4540 0.00 0.00 AL-R 50.00 500.00 20.5000 470.5000 0.00 0.00 A-UR 50.00 500.00 20.5000 470.5000 0.00 0.00 15-B-1 432,000.00 ~~432~~429,~~000~~654.0064 2,~~345~~363.3686 0.00 0.00 0.00 15-B-2 215,000.00 ~~215~~213,~~000~~832.0075 1,~~167~~176.2546 0.00 0.00 0.00 15-B-3 161,000.00 ~~161~~160,~~000~~125.0092 ~~874~~880.0897 0.00 0.00 0.00 30-B-1 5,015,000.00 5,~~015~~008,~~000~~001.0084 67,~~998~~056.1654 0.00 0.00 0.00 30-B-2 414,000.00 ~~414~~413,~~000~~422.0029 ~~577~~582.7153 0.00 0.00 0.00 30-B-3 310,000.00 ~~310~~309,~~000~~567.0041 ~~432~~436.5920 0.00 0.00 0.00 HY-B-1 2,246,000.00 2,~~246~~243,~~000~~987.0048 2,~~012~~023.5223 0.00 0.00 0.00 HY-B-2 339,000.00 ~~339~~338,~~000~~696.0024 ~~303~~305.7638 0.00 0.00 0.00 HY-B-3 226,000.00 ~~226~~225,~~000~~797.0049 ~~202~~203.5158 0.00 0.00 0.00 CB-4 427,000.00 ~~427~~426,~~000~~054.0076 ~~945~~952.2452 0.00 0.00 0.00 CB-5 269,000.00 ~~269~~268,~~000~~404.0052 ~~595~~600.4807 0.00 0.00 0.00 CB-6 435,575.02 ~~435~~434,~~575~~610.0280 ~~964~~971.2265 0.00 0.00 0.00 Totals 428,145,675.02 ~~428~~415,~~145~~511,~~675~~140.0227 ~~976~~958,~~103~~652.3653 1117,~~658~~867,~~431~~860.4038 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-1 510,~~600~~194,~~414~~880.1022 ~~195~~185,~~359~~164,~~585~~705.9068 0.~~97213170~~92140080 510,~~600~~194,~~414~~880.1022 2-A-1 34,~~133~~132,~~928~~515.6587 ~~103~~99,~~657~~524,~~071~~555.3548 0.~~97065363~~93195640 34,~~133~~132,~~928~~515.6587 3-A-1 21,~~570~~932,~~099~~123.6219 4948,~~939~~007,~~900~~777.3819 0.~~95105504~~91425971 21,~~570~~932,~~099~~123.6219 4-A-1 12,~~181~~294,~~304~~474.7237 5048,~~473~~179,~~695~~220.2891 0.~~97713087~~93271166 12,~~181~~294,~~304~~474.7237 4-A-2 ~~131~~254,~~268~~966.7827 5,~~608~~353,~~731~~764.2294 0.~~97713087~~93271166 ~~131~~254,~~268~~966.7827 AL-R 500.00 0.00 0.00000000 500.00 A-UR 500.00 0.00 0.00000000 500.00 15-B-1 2,~~345~~363.3686 ~~429~~427,~~654~~290.6478 0.~~99457093~~98909903 2,~~345~~363.3686 15-B-2 1,~~167~~176.2546 ~~213~~212,~~832~~656.7529 0.~~99457093~~98909902 1,~~167~~176.2546 15-B-3 ~~874~~880.0897 ~~160~~159,~~125~~244.9295 0.~~99457093~~98909907 ~~874~~880.0897 30-B-1 67,~~998~~056.1654 5,~~008~~000,~~001~~945.8429 0.~~99860455~~99719747 67,~~998~~056.1654 30-B-2 ~~577~~582.7153 ~~413~~412,~~422~~839.2975 0.~~99860457~~99719746 ~~577~~582.7153 30-B-3 ~~432~~436.5920 309,~~567~~131.4121 0.~~99860455~~99719745 ~~432~~436.5920 HY-B-1 2,~~012~~023.5223 2,~~243~~241,~~987~~964.4824 0.~~99910395~~99820313 2,~~012~~023.5223 HY-B-2 ~~303~~305.7638 338,~~696~~390.2486 0.~~99910395~~99820313 ~~303~~305.7638 HY-B-3 ~~202~~203.5158 225,~~797~~593.4991 0.~~99910394~~99820314 ~~202~~203.5158 CB-4 ~~945~~952.2452 ~~426~~425,~~054~~102.7624 0.~~99778632~~99555560 ~~945~~952.2452 CB-5 ~~595~~600.4807 ~~268~~267,~~404~~804.5245 0.~~99778632~~99555558 ~~595~~600.4807 CB-6 ~~964~~971.2265 ~~434~~433,~~610~~639.8015 0.~~99778633~~99555560 ~~964~~971.2265 Totals 1218,~~634~~826,~~534~~512.7591 ~~415~~396,~~511~~684,~~140~~627.2732 0.~~97049010~~92651789 1218,~~634~~826,~~534~~512.7591

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-A-1 200,960,000.00 ~~1000~~972.~~00000000~~13169735 1.~~39542202~~36978558 2649.~~47288067~~36110724 0.00000000 2-A-1 106,791,000.00 ~~1000~~970.~~00000000~~65362577 5.~~42906855~~34030630 2333.~~91730567~~35692352 0.00000000 3-A-1 52,510,000.00 ~~1000~~951.~~00000000~~05504437 0.~~94250143~~90013864 4835.~~00245420~~89519920 0.00000000 4-A-1 51,655,000.00 ~~1000~~977.~~00000000~~13087368 0.~~85354235~~84091821 2243.~~01558397~~57829329 0.00000000 4-A-2 5,740,000.00 ~~1000~~977.~~00000000~~13087456 0.~~85354181~~84091812 2243.~~01558362~~57829268 0.00000000 AL-R 50.00 ~~1000~~0.00000000 500.00000000 ~~950~~0.00000000 0.00000000 A-UR 50.00 ~~1000~~0.00000000 500.00000000 ~~950~~0.00000000 0.00000000 15-B-1 432,000.00 ~~1000~~994.~~00000000~~57092593 5.~~42907407~~47189815 0.00000000 0.00000000 15-B-2 215,000.00 ~~1000~~994.~~00000000~~57093023 5.~~42906977~~47190698 0.00000000 0.00000000 15-B-3 161,000.00 ~~1000~~994.~~00000000~~57093168 5.~~42906832~~47186335 0.00000000 0.00000000 30-B-1 5,015,000.00 ~~1000~~998.~~00000000~~60455434 1.~~39544566~~40708674 0.00000000 0.00000000 30-B-2 414,000.00 ~~1000~~998.~~00000000~~60456522 1.~~39543478~~40707729 0.00000000 0.00000000 30-B-3 310,000.00 ~~1000~~998.~~00000000~~60454839 1.~~39545161~~40709677 0.00000000 0.00000000 HY-B-1 2,246,000.00 ~~1000~~999.~~00000000~~10395370 0.~~89604630~~90081478 0.00000000 0.00000000 HY-B-2 339,000.00 ~~1000~~999.~~00000000~~10395280 0.~~89604720~~90082596 0.00000000 0.00000000 HY-B-3 226,000.00 ~~1000~~999.~~00000000~~10393805 0.~~89606195~~90079646 0.00000000 0.00000000 CB-4 427,000.00 ~~1000~~997.~~00000000~~78632319 2.~~21367681~~23072600 0.00000000 0.00000000 CB-5 269,000.00 ~~1000~~997.~~00000000~~78631970 2.~~21368030~~23074349 0.00000000 0.00000000 CB-6 435,575.02 ~~1000~~997.~~00000000~~78632852 2.~~21367148~~23072939 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-A-1 0.00000000 2750.~~86830265~~73089281 ~~972~~921.~~13169735~~40080454 0.~~97213170~~92140080 2750.~~86830265~~73089281 2-A-1 0.00000000 2938.~~34637423~~69722982 ~~970~~931.~~65362577~~95639595 0.~~97065363~~93195640 2938.~~34637423~~69722982 3-A-1 0.00000000 4836.~~94495563~~79533784 ~~951~~914.~~05504437~~25970653 0.~~95105504~~91425971 4836.~~94495563~~79533784 4-A-1 0.00000000 2244.~~86912632~~41921150 ~~977~~932.~~13087368~~71166218 0.~~97713087~~93271166 2244.~~86912632~~41921150 4-A-2 0.00000000 2244.~~86912544~~41921080 ~~977~~932.~~13087456~~71166202 0.~~97713087~~93271166 2244.~~86912544~~41921080 AL-R 0.00000000 ~~1,000~~0.00000000 0.00000000 0.00000000 ~~1,000~~0.00000000 A-UR 0.00000000 ~~1,000~~0.00000000 0.00000000 0.00000000 ~~1,000~~0.00000000 15-B-1 0.00000000 5.~~42907407~~47189815 ~~994~~989.~~57092593~~09902778 0.~~99457093~~98909903 5.~~42907407~~47189815 15-B-2 0.00000000 5.~~42906977~~47190698 ~~994~~989.~~57093023~~09902326 0.~~99457093~~98909902 5.~~42906977~~47190698 15-B-3 0.00000000 5.~~42906832~~47186335 ~~994~~989.~~57093168~~09906832 0.~~99457093~~98909907 5.~~42906832~~47186335 30-B-1 0.00000000 1.~~39544566~~40708674 ~~998~~997.~~60455434~~19746560 0.~~99860455~~99719747 1.~~39544566~~40708674 30-B-2 0.00000000 1.~~39543478~~40707729 ~~998~~997.~~60456522~~19746377 0.~~99860457~~99719746 1.~~39543478~~40707729 30-B-3 0.00000000 1.~~39545161~~40709677 ~~998~~997.~~60454839~~19745161 0.~~99860455~~99719745 1.~~39545161~~40709677 HY-B-1 0.00000000 0.~~89604630~~90081478 ~~999~~998.~~10395370~~20313446 0.~~99910395~~99820313 0.~~89604630~~90081478 HY-B-2 0.00000000 0.~~89604720~~90082596 ~~999~~998.~~10395280~~20312684 0.~~99910395~~99820313 0.~~89604720~~90082596 HY-B-3 0.00000000 0.~~89606195~~90079646 ~~999~~998.~~10393805~~20314159 0.~~99910394~~99820314 0.~~89606195~~90079646 CB-4 0.00000000 2.~~21367681~~23072600 ~~997~~995.~~78632319~~55559719 0.~~99778632~~99555560 2.~~21367681~~23072600 CB-5 0.00000000 2.~~21368030~~23074349 ~~997~~995.~~78631970~~55557621 0.~~99778632~~99555558 2.~~21368030~~23074349 CB-6 0.00000000 2.~~21367148~~23072939 ~~997~~995.~~78632852~~55559913 0.~~99778633~~99555560 2.~~21367148~~23072939 (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-1 200,960,000.00 6.~~73000~~73670% ~~200~~195,~~960~~359,~~000~~585.0090 1,~~127~~096,~~050~~732.6723 0.00 0.00 2-A-1 106,791,000.00 6.~~19600~~19919% ~~106~~103,~~791~~657,~~000~~071.0035 ~~551~~535,~~397~~491.5399 0.00 0.00 3-A-1 52,510,000.00 5.~~88100~~90359% 5249,~~510~~939,~~000~~900.0038 ~~257~~245,~~342~~687.7627 0.00 0.00 4-A-1 51,655,000.00 5.~~92500~~90226% 5150,~~655~~473,~~000~~695.0028 ~~255~~248,~~046~~257.56 0.00 0.00 4-A-2 5,740,000.00 5.~~92500~~90226% 5,~~740~~608,~~000~~731.0022 2827,~~341~~586.2584 0.00 0.00 AL-R 50.00 6.~~73000~~73462% 500.00 0.2800 0.00 0.00 A-UR 50.00 6.~~73000~~73462% 500.00 0.2800 0.00 0.00 15-B-1 432,000.00 6.~~19600~~19919% ~~432~~429,~~000~~654.0064 2,~~230~~219.5659 0.00 0.00 15-B-2 215,000.00 6.~~19600~~19919% ~~215~~213,~~000~~832.0075 1,~~110~~104.1266 0.00 0.00 15-B-3 161,000.00 6.~~19600~~19919% ~~161~~160,~~000~~125.0092 ~~831~~827.3021 0.00 0.00 30-B-1 5,015,000.00 6.~~73000~~73670% 5,~~015~~008,~~000~~001.0084 28,~~125~~114.7950 0.00 0.00 30-B-2 414,000.00 6.~~73000~~73670% ~~414~~413,~~000~~422.0029 2,~~321~~320.8592 0.00 0.00 30-B-3 310,000.00 6.~~73000~~73670% ~~310~~309,~~000~~567.0041 1,~~738~~737.5889 0.00 0.00 HY-B-1 2,246,000.00 5.~~90400~~90290% 2,~~246~~243,~~000~~987.0048 11,~~050~~038.3236 0.00 0.00 HY-B-2 339,000.00 5.~~90400~~90290% ~~339~~338,~~000~~696.0024 1,~~667~~666.8807 0.00 0.00 HY-B-3 226,000.00 5.~~90400~~90290% ~~226~~225,~~000~~797.0049 1,~~111~~110.9272 0.00 0.00 CB-4 427,000.00 6.~~35400~~35685% ~~427~~426,~~000~~054.0076 2,~~260~~256.97 0.00 0.00 CB-5 269,000.00 6.~~35400~~35685% ~~269~~268,~~000~~404.0052 1,~~424~~421.3684 0.00 0.00 CB-6 435,575.02 6.~~35400~~35685% ~~435~~434,~~575~~610.0280 2,~~306~~302.3730 0.00 0.00 Totals 428,145,675.02 2,~~275~~209,~~359~~876.3592 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 02,074.0070 0.00 1,~~127~~094,~~050~~657.6753 0.00 ~~195~~185,~~359~~164,~~585~~705.9068 2-A-1 ~~1,714~~0.2000 0.00 ~~549~~535,~~683~~491.3399 0.00 ~~103~~99,~~657~~524,~~071~~555.3548 3-A-1 0.00 0.00 ~~257~~245,~~342~~687.7627 0.00 4948,~~939~~007,~~900~~777.3819 4-A-1 0.00 0.00 ~~255~~248,~~046~~257.56 0.00 5048,~~473~~179,~~695~~220.2891 4-A-2 0.00 0.00 2827,~~341~~586.2584 0.00 5,~~608~~353,~~731~~764.2294 AL-R 0.00 0.00 0.2800 0.00 0.00 A-UR 0.00 0.00 0.2800 0.00 0.00 15-B-1 60.9300 0.00 2,~~223~~219.6359 0.00 ~~429~~427,~~654~~290.6478 15-B-2 30.4500 0.00 1,~~106~~104.6766 0.00 ~~213~~212,~~832~~656.7529 15-B-3 20.5800 0.00 ~~828~~827.7221 0.00 ~~160~~159,~~125~~244.9295 30-B-1 053.0018 0.00 28,~~125~~061.7932 0.00 5,~~008~~000,~~001~~945.8429 30-B-2 04.0039 0.00 2,~~321~~316.8553 0.00 ~~413~~412,~~422~~839.2975 30-B-3 03.0029 0.00 1,~~738~~734.5860 0.00 309,~~567~~131.4121 HY-B-1 0.00 0.00 11,~~050~~038.3236 0.00 2,~~243~~241,~~987~~964.4824 HY-B-2 0.00 0.00 1,~~667~~666.8807 0.00 338,~~696~~390.2486 HY-B-3 0.00 0.00 1,~~111~~110.9272 0.00 225,~~797~~593.4991 CB-4 12.6508 0.00 2,~~259~~254.3289 0.00 ~~426~~425,~~054~~102.7624 CB-5 1.0431 0.00 1,~~423~~420.3253 0.00 ~~268~~267,~~404~~804.5245 CB-6 12.6812 0.00 2,~~304~~300.6918 0.00 ~~434~~433,~~610~~639.8015 Totals 12,~~731~~141.5307 0.00 2,~~273~~207,~~627~~735.8285 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-1 200,960,000.00 6.~~73000~~73670% ~~1000~~972.~~00000000~~13169735 5.~~60833335~~45746532 0.00000000 0.00000000 2-A-1 106,791,000.00 6.~~19600~~19919% ~~1000~~970.~~00000000~~65362577 5.~~16333333~~01439250 0.00000000 0.00000000 3-A-1 52,510,000.00 5.~~88100~~90359% ~~1000~~951.~~00000000~~05504437 4.~~90083337~~67886631 0.00000000 0.00000000 4-A-1 51,655,000.00 5.~~92500~~90226% ~~1000~~977.~~00000000~~13087368 4.~~93749995~~80607027 0.00000000 0.00000000 4-A-2 5,740,000.00 5.~~92500~~90226% ~~1000~~977.~~00000000~~13087456 4.~~93750000~~80606969 0.00000000 0.00000000 AL-R 50.00 6.~~73000~~73462% ~~1000~~0.00000000 50.~~60000000~~00000000 0.00000000 0.00000000 A-UR 50.00 6.~~73000~~73462% ~~1000~~0.00000000 50.~~60000000~~00000000 0.00000000 0.00000000 15-B-1 432,000.00 6.~~19600~~19919% ~~1000~~994.~~00000000~~57092593 5.~~16333333~~13793981 0.00000000 0.00000000 15-B-2 215,000.00 6.~~19600~~19919% ~~1000~~994.~~00000000~~57093023 5.~~16334884~~13795349 0.00000000 0.00000000 15-B-3 161,000.00 6.~~19600~~19919% ~~1000~~994.~~00000000~~57093168 5.~~16335404~~13795031 0.00000000 0.00000000 30-B-1 5,015,000.00 6.~~73000~~73670% ~~1000~~998.~~00000000~~60455434 5.~~60833300~~60608175 0.00000000 0.00000000 30-B-2 414,000.00 6.~~73000~~73670% ~~1000~~998.~~00000000~~60456522 5.~~60833333~~60608696 0.00000000 0.00000000 30-B-3 310,000.00 6.~~73000~~73670% ~~1000~~998.~~00000000~~60454839 5.~~60832258~~60609677 0.00000000 0.00000000 HY-B-1 2,246,000.00 5.~~90400~~90290% ~~1000~~999.~~00000000~~10395370 4.~~92000000~~91467498 0.00000000 0.00000000 HY-B-2 339,000.00 5.~~90400~~90290% ~~1000~~999.~~00000000~~10395280 4.~~92000000~~91466077 0.00000000 0.00000000 HY-B-3 226,000.00 5.~~90400~~90290% ~~1000~~999.~~00000000~~10393805 4.~~92000000~~91469027 0.00000000 0.00000000 CB-4 427,000.00 6.~~35400~~35685% ~~1000~~997.~~00000000~~78632319 5.~~29501171~~28564403 0.00000000 0.00000000 CB-5 269,000.00 6.~~35400~~35685% ~~1000~~997.~~00000000~~78631970 5.~~29501859~~28565056 0.00000000 0.00000000 CB-6 435,575.02 6.~~35400~~35685% ~~1000~~997.~~00000000~~78632852 5.~~29500062~~28565665 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-A-1 0.~~00000000~~01032395 0.00000000 5.~~60833335~~44714137 0.00000000 ~~972~~921.~~13169735~~40080454 2-A-1 0.~~01605191~~00000000 0.00000000 5.~~14728142~~01439250 0.00000000 ~~970~~931.~~65362577~~95639595 3-A-1 0.00000000 0.00000000 4.~~90083337~~67886631 0.00000000 ~~951~~914.~~05504437~~25970653 4-A-1 0.00000000 0.00000000 4.~~93749995~~80607027 0.00000000 ~~977~~932.~~13087368~~71166218 4-A-2 0.00000000 0.00000000 4.~~93750000~~80606969 0.00000000 ~~977~~932.~~13087456~~71166202 AL-R 0.00000000 0.00000000 50.~~60000000~~00000000 0.00000000 0.00000000 A-UR 0.00000000 0.00000000 50.~~60000000~~00000000 0.00000000 0.00000000 15-B-1 0.~~01604167~~00000000 0.00000000 5.~~14729167~~13793981 0.00000000 ~~994~~989.~~57092593~~09902778 15-B-2 0.~~01604651~~00000000 0.00000000 5.~~14730233~~13795349 0.00000000 ~~994~~989.~~57093023~~09902326 15-B-3 0.~~01602484~~00000000 0.00000000 5.~~14732919~~13795031 0.00000000 ~~994~~989.~~57093168~~09906832 30-B-1 0.~~00000000~~01060419 0.00000000 5.~~60833300~~59547757 0.00000000 ~~998~~997.~~60455434~~19746560 30-B-2 0.~~00000000~~01060386 0.00000000 5.~~60833333~~59548309 0.00000000 ~~998~~997.~~60456522~~19746377 30-B-3 0.~~00000000~~01061290 0.00000000 5.~~60832258~~59548387 0.00000000 ~~998~~997.~~60454839~~19745161 HY-B-1 0.00000000 0.00000000 4.~~92000000~~91467498 0.00000000 ~~999~~998.~~10395370~~20313446 HY-B-2 0.00000000 0.00000000 4.~~92000000~~91466077 0.00000000 ~~999~~998.~~10395280~~20312684 HY-B-3 0.00000000 0.00000000 4.~~92000000~~91469027 0.00000000 ~~999~~998.~~10393805~~20314159 CB-4 0.~~00386417~~00487119 0.00000000 5.~~29114754~~28077283 0.00000000 ~~997~~995.~~78632319~~55559719 CB-5 0.~~00386617~~00486989 0.00000000 5.~~29115242~~28078067 0.00000000 ~~997~~995.~~78631970~~55557621 CB-6 0.~~00385697~~00486713 0.00000000 5.~~29114365~~28078952 0.00000000 ~~997~~995.~~78632852~~55559913 (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 1521,~~005~~128,~~632~~694.0917 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 0.00 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 1521,~~005~~128,~~632~~694.0917 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 9794,~~469~~445.8041 Payment of Interest and Principal 1421,~~908~~034,~~162~~248.5776 Total Withdrawals (Pool Distribution Amount) 1521,~~005~~128,~~632~~694.3717 Ending Balance 0.00

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall 12,~~731~~141.5307 Servicing Fee Support 0.00 Non-Supported Prepayment/Curtailment Interest Shortfall 12,~~731~~141.5307

SERVICING FEES Gross Servicing Fee 9794,~~142~~119.7218 LPMI ~~327~~326.0823 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 9794,~~469~~445.8041

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 4 01 0 45 1,~~175~~174,~~985~~603.2004 0102,051.0096 0.00 1,~~175~~276,~~985~~655.2000 30 Days 1563 1 0 0 1664 315,~~444~~865,~~257~~513.6362 308,~~351~~010.4946 0.00 0.00 316,~~752~~173,~~609~~524.1208 60 Days 57 0 0 0 57 1,~~119~~684,~~998~~489.5865 0.00 0.00 0.00 1,~~119~~684,~~998~~489.5865 90 Days 12 0 0 0 12 ~~160~~392,~~000~~013.0027 0.00 0.00 0.00 ~~160~~392,~~000~~013.0027 120 Days 01 0 0 0 01 0160,000.00 0.00 0.00 0.00 0160,000.00 150 Days 10 0 0 0 10 ~~48,358~~0.4900 0.00 0.00 0.00 ~~48,358~~0.4900 180+ Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 2273 5 01 0 2779 418,~~772~~102,~~614~~016.7054 1,~~484~~482,~~336~~613.6950 0102,051.0096 0.00 619,~~256~~686,~~951~~682.3900 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.~~322581~~335008% 0.~~000000~~083752% 0.000000% 0.~~322581~~418760% 0.~~282491~~295516% 0.~~000000~~025675% 0.000000% 0.~~282491~~321191% 30 Days 15.~~209677~~276382% 0.~~080645~~083752% 0.000000% 0.000000% 15.~~290323~~360134% 03.~~827367~~991571% 0.~~074071~~077492% 0.000000% 0.000000% 04.~~901439~~069062% 60 Days 0.~~403226~~586265% 0.000000% 0.000000% 0.000000% 0.~~403226~~586265% 0.~~269042~~423797% 0.000000% 0.000000% 0.000000% 0.~~269042~~423797% 90 Days 0.~~080645~~167504% 0.000000% 0.000000% 0.000000% 0.~~080645~~167504% 0.~~038435~~098626% 0.000000% 0.000000% 0.000000% 0.~~038435~~098626% 120 Days 0.~~000000~~083752% 0.000000% 0.000000% 0.000000% 0.~~000000~~083752% 0.~~000000~~040254% 0.000000% 0.000000% 0.000000% 0.~~000000~~040254% 150 Days 0.~~080645~~000000% 0.000000% 0.000000% 0.000000% 0.~~080645~~000000% 0.~~011617~~000000% 0.000000% 0.000000% 0.000000% 0.~~011617~~000000% 180+ Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 16.~~774194~~113903% 0.~~403226~~418760% 0.~~000000~~083752% 0.000000% 26.~~177419~~616415% 14.~~146461~~554248% 0.~~356562~~373008% 0.~~000000~~025675% 0.000000% 14.~~503023~~952930%

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 2 01 0 23 ~~264~~263,~~163~~798.6650 0102,051.0096 0.00 ~~264~~365,~~163~~850.6646 30 Days 1455 1 0 0 1556 213,~~819~~555,~~994~~320.3618 308,~~351~~010.4946 0.00 0.00 313,~~128~~863,~~345~~330.8564 60 Days 4 0 0 0 4 ~~831~~740,~~458~~384.5798 0.00 0.00 0.00 ~~831~~740,~~458~~384.5798 90 Days 01 0 0 0 01 0103,473.0026 0.00 0.00 0.00 0103,473.0026 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 1860 3 01 0 2164 314,~~651~~399,~~452~~178.9342 ~~572~~571,~~515~~808.1596 0102,051.0096 0.00 415,~~223~~073,~~968~~039.0834 0-29 Days 0.~~346620~~362319% 0.~~000000~~181159% 0.000000% 0.~~346620~~543478% 0.~~130863~~137641% 0.~~000000~~053247% 0.000000% 0.~~130863~~190888% 30 Days 29.~~426343~~963768% 0.~~173310~~181159% 0.000000% 0.000000% 210.~~599653~~144928% 17.~~396983~~072682% 0.~~152753~~160709% 0.000000% 0.000000% 17.~~549736~~233391% 60 Days 0.~~693241~~724638% 0.000000% 0.000000% 0.000000% 0.~~693241~~724638% 0.~~411892~~386306% 0.000000% 0.000000% 0.000000% 0.~~411892~~386306% 90 Days 0.~~000000~~181159% 0.000000% 0.000000% 0.000000% 0.~~000000~~181159% 0.~~000000~~053989% 0.000000% 0.000000% 0.000000% 0.~~000000~~053989% 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 310.~~119584~~869565% 0.~~519931~~543478% 0.~~000000~~181159% 0.000000% 311.~~639515~~594203% 17.~~808875~~512977% 0.~~283615~~298350% 0.~~000000~~053247% 0.000000% 27.~~092490~~864574% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 2 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 03 0 0 0 03 01,162,192.0006 0.00 0.00 0.00 01,162,192.0006 60 Days 01 0 0 0 01 048,764.0077 0.00 0.00 0.00 048,764.0077 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 10 0 0 0 10 ~~48,358~~0.4900 0.00 0.00 0.00 ~~48,358~~0.4900 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 14 0 0 0 14 481,~~358~~210,956.4983 0.00 0.00 0.00 481,~~358~~210,956.4983 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 01.~~000000~~067616% 0.000000% 0.000000% 0.000000% 01.~~000000~~067616% 01.~~000000~~150077% 0.000000% 0.000000% 0.000000% 01.~~000000~~150077% 60 Days 0.~~000000~~355872% 0.000000% 0.000000% 0.000000% 0.~~000000~~355872% 0.~~000000~~048256% 0.000000% 0.000000% 0.000000% 0.~~000000~~048256% 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.~~344828~~000000% 0.000000% 0.000000% 0.000000% 0.~~344828~~000000% 0.~~045978~~000000% 0.000000% 0.000000% 0.000000% 0.~~045978~~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.~~344828~~423488% 0.000000% 0.000000% 0.000000% 01.~~344828~~423488% 01.~~045978~~198334% 0.000000% 0.000000% 0.000000% 01.~~045978~~198334% 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 05 0 0 0 05 01,148,001.0038 0.00 0.00 0.00 01,148,001.0038 60 Days 1 0 0 0 1 ~~288~~301,~~540~~500.0100 0.00 0.00 0.00 ~~288~~301,~~540~~500.0100 90 Days 1 0 0 0 1 ~~160~~288,~~000~~540.0001 0.00 0.00 0.00 ~~160~~288,~~000~~540.0001 120 Days 01 0 0 0 01 0160,000.00 0.00 0.00 0.00 0160,000.00 150 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 28 0 0 0 28 ~~448~~1,~~540~~898,041.0139 0.00 0.00 0.00 ~~448~~1,~~540~~898,041.0139 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 02.~~000000~~049180% 0.000000% 0.000000% 0.000000% 02.~~000000~~049180% 02.~~000000~~316951% 0.000000% 0.000000% 0.000000% 02.~~000000~~316951% 60 Days 0.~~398406~~409836% 0.000000% 0.000000% 0.000000% 0.~~398406~~409836% 0.~~560489~~608502% 0.000000% 0.000000% 0.000000% 0.~~560489~~608502% 90 Days 0.~~398406~~409836% 0.000000% 0.000000% 0.000000% 0.~~398406~~409836% 0.~~310800~~582345% 0.000000% 0.000000% 0.000000% 0.~~310800~~582345% 120 Days 0.~~000000~~409836% 0.000000% 0.000000% 0.000000% 0.~~000000~~409836% 0.~~000000~~322920% 0.000000% 0.000000% 0.000000% 0.~~000000~~322920% 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 03.~~796813~~278689% 0.000000% 0.000000% 0.000000% 03.~~796813~~278689% 03.~~871289~~830718% 0.000000% 0.000000% 0.000000% 03.~~871289~~830718% 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 2 0 0 2 ~~911~~910,~~821~~804.54 0.00 0.00 ~~911~~910,~~821~~804.54 30 Days 10 0 0 0 10 ~~624,263~~0.2700 0.00 0.00 0.00 ~~624,263~~0.2700 60 Days 01 0 0 0 01 0593,839.0090 0.00 0.00 0.00 0593,839.0090 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 2 0 0 3 ~~624~~593,~~263~~839.2790 ~~911~~910,~~821~~804.54 0.00 0.00 1,~~536~~504,~~084~~644.8144 0-29 Days 1.~~639344~~709402% 0.000000% 0.000000% 1.~~639344~~709402% 1.~~578367~~649509% 0.000000% 0.000000% 1.~~578367~~649509% 30 Days 0.~~819672~~000000% 0.000000% 0.000000% 0.000000% 0.~~819672~~000000% 10.~~080602~~000000% 0.000000% 0.000000% 0.000000% 10.~~080602~~000000% 60 Days 0.~~000000~~854701% 0.000000% 0.000000% 0.000000% 0.~~000000~~854701% 01.~~000000~~075472% 0.000000% 0.000000% 0.000000% 01.~~000000~~075472% 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.~~819672~~854701% 1.~~639344~~709402% 0.000000% 0.000000% 2.~~459016~~564103% 1.~~080602~~075472% 1.~~578367~~649509% 0.000000% 0.000000% 2.~~658970~~724981%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 37135,~~891~~280.4453

COLLATERAL STATEMENT Collateral Description Mixed Fixed & Arm Weighted Average Gross Coupon 6.~~651385~~654904% Weighted Average Net Coupon 6.~~379115~~383087% Weighted Average Pass-Through Rate 6.~~378198~~382145% Weighted Average Maturity(Stepdown Calculation ) ~~268~~267 Beginning Scheduled Collateral Loan Count 1,~~273~~240 Number Of Loans Paid In Full 3346 Ending Scheduled Collateral Loan Count 1,~~240~~194 Beginning Scheduled Collateral Balance ~~428~~415,~~145~~511,~~675~~140.0226 Ending Scheduled Collateral Balance ~~415~~396,~~511~~684,~~140~~627.2633 Ending Actual Collateral Balance at 3129-~~Mar~~Apr-2005 ~~416~~397,~~291~~475,~~191~~446.6108 Monthly P &I Constant 3,~~349~~262,~~238~~974.2192 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Scheduled Principal ~~976~~958,~~103~~652.3753 Unscheduled Principal 1117,~~658~~867,~~431~~860.3940

Group Level Collateral Statement Group 1 2 3 Collateral Description Fixed 30 Year Fixed 15 Year Mixed ARM Weighted Average Coupon Rate 6.~~972184~~978659 6.~~453351~~454220 6.~~224392~~243868 Weighted Average Net Rate 6.~~732214~~738465 6.~~196823~~199534 5.~~884832~~903590 Weighted Average Maturity ~~306~~305 ~~138~~137 ~~316~~315 Beginning Loan Count ~~592~~577 ~~296~~290 ~~261~~251 Loans Paid In Full 1525 69 107 Ending Loan Count ~~577~~552 ~~290~~281 ~~251~~244 Beginning Scheduled Balance ~~207~~201,~~218~~609,~~503~~256.5922 ~~107~~104,~~870~~730,~~696~~905.3494 5451,~~015~~444,~~826~~307.8094 Ending scheduled Balance ~~201~~191,~~609~~405,~~256~~569.2288 ~~104~~100,~~730~~592,~~905~~482.9409 5149,~~444~~510,~~307~~760.9488 Record Date 0304/3129/2005 0304/3129/2005 0304/3129/2005 Principal And Interest Constant 1,~~493~~456,~~133~~546.6270 1,~~165~~139,~~743~~501.6257 ~~331~~316,~~089~~366.7436 Scheduled Principal ~~289~~284,~~162~~078.2823 ~~585~~576,~~637~~204.4163 5048,~~909~~690.9914 Unscheduled Principal 59,~~320~~919,~~085~~608.0911 23,~~554~~562,~~152~~219.9922 21,~~520~~884,~~608~~856.8792 Scheduled Interest 1,~~203~~172,~~971~~468.3447 ~~580~~563,~~106~~296.2194 ~~280~~267,~~179~~676.7522 Servicing Fees 4140,~~438~~354.6534 2322,~~059~~227.8496 1514,~~284~~587.7179 Master Servicing Fees 0.00 0.00 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 296.8662 3029.2261 0.00 Pool Insurance Fee 0.00 0.00 0.00 Spread Fee 1 0.00 0.00 0.00 Spread Fee 2 0.00 0.00 0.00 Spread Fee 3 0.00 0.00 0.00 Net Interest 1,~~162~~131,~~235~~817.8351 ~~557~~541,~~016~~039.1537 ~~264~~253,~~895~~088.0443 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 6.~~730495~~736700 6.~~196487~~199194 5.~~884832~~903590

Group Level Collateral Statement Group 4 Total Collateral Description Mixed ARM Mixed Fixed & Arm Weighted Average Coupon Rate 6.~~277930~~254594 6.~~651385~~654904 Weighted Average Net Rate 5.~~925098~~902263 6.~~379115~~383087 Weighted Average Maturity ~~323~~322 ~~268~~267 Beginning Loan Count ~~124~~122 1,~~273~~240 Loans Paid In Full 25 3346 Ending Loan Count ~~122~~117 1,~~240~~194 Beginning Scheduled Balance 5957,~~040~~726,~~648~~670.2916 ~~428~~415,~~145~~511,~~675~~140.0226 Ending scheduled Balance 5755,~~726~~175,~~670~~814.1648 ~~415~~396,~~511~~684,~~140~~627.2633 Record Date 0304/3129/2005 0304/3129/2005 Principal And Interest Constant ~~359~~350,~~271~~560.2329 3,~~349~~262,~~238~~974.2192 Scheduled Principal 5049,~~393~~679.6953 ~~976~~958,~~103~~652.3753 Unscheduled Principal 12,~~263~~501,~~584~~176.4415 1117,~~658~~867,~~431~~860.3940 Scheduled Interest ~~308~~300,~~877~~880.5476 2,~~373~~304,~~134~~322.8439 Servicing Fees 1716,~~359~~949.5209 9794,~~142~~119.7218 Master Servicing Fees 0.00 0.00 Trustee Fee 0.00 0.00 FRY Amount 0.00 0.00 Special Hazard Fee 0.00 0.00 Other Fee 0.00 ~~327~~326.0823 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 ~~291~~283,~~518~~931.0267 2,~~275~~209,~~665~~876.0498 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.~~925098~~902263 6.~~378198~~382145

Miscellaneous Reporting Group 1 Senior Prepayment % 100.000000% Senior % 96.~~979805~~900107% Subordinate % 3.~~020195~~099893% Group 2 Senior Prepayment % 100.000000% Senior % 98.~~999083~~974673% Subordinate % 1.~~000917~~025327% Group 3 Senior Prepayment % 100.000000% Senior % 97.~~212249~~075658% Subordinate % 2.~~787751~~924342%

Miscellaneous Reporting Group 4 Senior Prepayment % 100.000000% Senior % 97.~~212686~~151674% Subordinate % 2.~~787314~~848326%

Filing Compare · MASTR Seasoned Securitization Trust 2005-1