8-K 1 mst05001_10508.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): August 25, 2005 MASTR ASSET SECURITIZATION TRUST Mortgage Pass-Through Certificates, Series 2005-1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-106982-70 54-2175566 Pooling and Servicing Agreement) (Commission 54-2175567 (State or other File Number) 54-6666943 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 August 25, 2005 a distribution was made to holders of MASTR ASSET 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 August 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 ASSET 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: 8/30/2005 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 August 25, 2005 distribution. EX-99.1

Mortgage Asset Securitization Transactions, Inc. Mortgage Pass-Through Certificates Record Date: 57/3129/2005 Distribution Date: 68/2725/2005 Mortgage Asset Securitization Transactions, Inc. 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 www.ctslink.com Telephone: (301) 815-6600 Fax: (301) 815-6660 Certificateholder Distribution Summary Certificate Certificate Beginning Class Pass-Through Certificate Interest Class CUSIP Description Rate Balance Distribution 1-A-1 57643MKB9 SEN 5.00000% 3231,~~719~~307,~~000~~524.0078 ~~136~~130,~~329~~448.1702 2-A-1 57643MKC7 SEN 3.~~40000~~76000% 31,~~664~~236,~~000~~105.0026 8997,~~714~~873.6713 2-A-2 57643MKD5 SEN 5.25000% 25,000,000.00 109,375.00 2-A-3 57643MKE3 SEN 5.25000% 2524,~~000~~649,~~000~~119.0052 ~~109~~107,~~375~~839.0090 2-A-4 57643MKF0 SEN 5.50000% 11,158,000.00 51,140.83 2-A-5 57643MKG8 SEN 5.00000% ~~114~~112,~~156~~619,~~000~~861.0029 ~~475~~469,~~650~~249.0042 2-A-6 57643MKH6 IO 43.~~10000~~74000% 0.00 ~~108~~97,~~185~~352.3353 2-A-7 57643MKJ2 IO 5.50000% 0.00 3,541.67 2-A-8 57643MKK9 SEN 5.50000% 22,840,000.00 104,683.33 2-A-9 57643MKL7 SEN 5.50000% 1,202,000.00 5,509.17 A-UR 57643MKN3 SEN 5.00000% 250.00 0.1000 A-LR 57643MKM5 SEN 5.00000% 250.00 0.1000 15-A-X 57643MKP8 IO 5.00000% 0.00 4,~~984~~705.5043 30-A-X 57643MKQ6 IO 5.50000% 0.00 2827,~~403~~982.1413 15-PO 57643MKR4 SEN 0.00000% ~~410~~407,~~588~~296.0090 0.00 30-PO 57643MKS2 SEN 0.00000% 2,~~550~~544,~~425~~312.0035 0.00 B-1 57643MKT0 SUB 5.~~43791~~43821% 3,~~843~~832,~~000~~249.0057 17,~~414~~367.9013 B-2 57643MKU7 SUB 5.~~43791~~43821% 1,~~647~~642,~~000~~392.0067 7,~~463~~443.5306 B-3 57643MKV5 SUB 5.~~43791~~43821% ~~961~~958,~~000~~311.0069 4,~~354~~342.8691 B-4 57643MKW3 SUB 5.~~43791~~43821% ~~412~~410,~~000~~847.0047 1,~~867~~861.0289 B-5 57643MKX1 SUB 5.~~43791~~43821% ~~549~~547,~~000~~464.0022 2,~~487~~481.8402 B-6 57643MKY9 SUB 5.~~43791~~43821% ~~411~~410,~~981~~828.0052 1,~~866~~861.9381 P ~~57643MKB9~~57643MKZ6 SEN 0.00000% 0.01 0.00 Totals ~~274~~270,~~524~~766,~~044~~314.0125 1,~~262~~245,~~347~~058.0938

Certificateholder Distribution Summary (continued) Current Ending Cumulative Principal Realized Certificate Total Realized Class Distribution Loss Balance Distribution Losses 1-A-1 ~~130~~496,~~657~~466.4128 0.00 3230,~~588~~811,~~342~~058.5950 ~~266~~626,~~986~~914.5830 0.00 2-A-1 ~~133~~351,~~558~~629.1293 0.00 3130,~~530~~884,~~441~~475.8833 ~~223~~449,~~272~~503.7906 0.00 2-A-2 0.00 0.00 25,000,000.00 109,375.00 0.00 2-A-3 ~~109~~288,~~519~~342.7813 0.00 24,~~890~~360,~~480~~777.2239 ~~218~~396,~~894~~182.7803 0.00 2-A-4 0.00 0.00 11,158,000.00 51,140.83 0.00 2-A-5 ~~479~~1,~~472~~262,348.5766 0.00 ~~113~~111,~~676~~357,~~527~~512.4363 ~~955~~1,~~122~~731,598.5708 0.00 2-A-6 0.00 0.00 0.00 ~~108~~97,~~185~~352.3353 0.00 2-A-7 0.00 0.00 0.00 3,541.67 0.00 2-A-8 0.00 0.00 22,840,000.00 104,683.33 0.00 2-A-9 0.00 0.00 1,202,000.00 5,509.17 0.00 A-UR 250.00 0.00 0.00 250.1000 0.00 A-LR 250.00 0.00 0.00 250.1000 0.00 15-A-X 0.00 0.00 0.00 4,~~984~~705.5043 0.00 30-A-X 0.00 0.00 0.00 2827,~~403~~982.1413 0.00 15-PO 1,~~641~~670.4806 0.00 ~~408~~405,~~946~~626.5284 1,~~641~~670.4806 0.00 30-PO 3,~~018~~183.4417 0.00 2,~~547~~541,~~406~~129.5618 3,~~018~~183.4417 0.00 B-1 5,~~361~~440.1321 0.00 3,~~837~~826,~~638~~809.8736 22,~~776~~807.0334 0.00 B-2 2,~~297~~331.6352 0.00 1,~~644~~640,~~702~~061.3715 9,~~761~~774.1658 0.00 B-3 1,~~340~~360.6341 0.00 ~~959~~956,~~659~~951.3729 5,~~695~~703.4932 0.00 B-4 ~~574~~583.7623 0.00 ~~411~~410,~~425~~264.24 2,~~441~~445.7812 0.00 B-5 ~~765~~777.8817 0.00 ~~548~~546,~~234~~687.1205 3,~~253~~258.7219 0.00 B-6 ~~574~~583.7321 0.00 ~~411~~410,~~406~~245.2732 2,~~441~~445.6602 0.00 P 0.00 0.00 0.01 0.00 0.00 Totals ~~868~~2,~~832~~414,715.5698 0.00 ~~273~~268,~~655~~351,~~211~~598.4529 23,~~131~~659,~~179~~774.6536 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 32,719,000.00 3231,~~719~~307,~~000~~524.0078 ~~123~~121,~~408~~677.4835 7374,~~248~~788.9293 0.00 0.00 2-A-1 31,664,000.00 31,~~664~~236,~~000~~105.0026 45,~~171~~305.8967 88306,~~386~~324.2226 0.00 0.00 2-A-2 25,000,000.00 25,000,000.00 0.00 0.00 0.00 0.00 2-A-3 25,000,000.00 2524,~~000~~649,~~000~~119.0052 37,~~041~~151.6737 72251,~~478~~190.1076 0.00 0.00 2-A-4 11,158,000.00 11,158,000.00 0.00 0.00 0.00 0.00 2-A-5 114,156,000.00 ~~114~~112,~~156~~619,~~000~~861.0029 162,~~166~~647.7400 ~~317~~1,~~305~~099,701.8366 0.00 0.00 2-A-6 0.00 0.00 0.00 0.00 0.00 0.00 2-A-7 0.00 0.00 0.00 0.00 0.00 0.00 2-A-8 22,840,000.00 22,840,000.00 0.00 0.00 0.00 0.00 2-A-9 1,202,000.00 1,202,000.00 0.00 0.00 0.00 0.00 A-UR 25.00 250.00 230.6100 10.3900 0.00 0.00 A-LR 25.00 250.00 230.6100 10.3900 0.00 0.00 15-A-X 0.00 0.00 0.00 0.00 0.00 0.00 30-A-X 0.00 0.00 0.00 0.00 0.00 0.00 15-PO 410,588.00 ~~410~~407,~~588~~296.0090 1,~~608~~621.1370 3348.3436 0.00 0.00 30-PO 2,550,425.00 2,~~550~~544,~~425~~312.0035 2,~~809~~837.5172 ~~208~~345.9345 0.00 0.00 B-1 3,843,000.00 3,~~843~~832,~~000~~249.0057 5,~~361~~440.1321 0.00 0.00 0.00 B-2 1,647,000.00 1,~~647~~642,~~000~~392.0067 2,~~297~~331.6352 0.00 0.00 0.00 B-3 961,000.00 ~~961~~958,~~000~~311.0069 1,~~340~~360.6341 0.00 0.00 0.00 B-4 412,000.00 ~~412~~410,~~000~~847.0047 ~~574~~583.7623 0.00 0.00 0.00 B-5 549,000.00 ~~549~~547,~~000~~464.0022 ~~765~~777.8817 0.00 0.00 0.00 B-6 411,981.00 ~~411~~410,~~981~~828.0052 ~~574~~583.7321 0.00 0.00 0.00 P 0.01 0.01 0.00 0.00 0.00 0.00 Totals 274,524,044.01 ~~274~~270,~~524~~766,~~044~~314.0125 ~~383~~382,~~168~~316.4056 ~~485~~2,~~664~~032,399.1242 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 ~~130~~496,~~657~~466.4128 3230,~~588~~811,~~342~~058.5950 0.~~99600668~~94168705 ~~130~~496,~~657~~466.4128 2-A-1 ~~133~~351,~~558~~629.1293 3130,~~530~~884,~~441~~475.8833 0.~~99578202~~97538136 ~~133~~351,~~558~~629.1293 2-A-2 0.00 25,000,000.00 1.00000000 0.00 2-A-3 ~~109~~288,~~519~~342.7813 24,~~890~~360,~~480~~777.2239 0.~~99561921~~97443110 ~~109~~288,~~519~~342.7813 2-A-4 0.00 11,158,000.00 1.00000000 0.00 2-A-5 ~~479~~1,~~472~~262,348.5766 ~~113~~111,~~676~~357,~~527~~512.4363 0.~~99579985~~97548541 ~~479~~1,~~472~~262,348.5766 2-A-6 0.00 0.00 0.00000000 0.00 2-A-7 0.00 0.00 0.00000000 0.00 2-A-8 0.00 22,840,000.00 1.00000000 0.00 2-A-9 0.00 1,202,000.00 1.00000000 0.00 A-UR 250.00 0.00 0.00000000 250.00 A-LR 250.00 0.00 0.00000000 250.00 15-A-X 0.00 0.00 0.00000000 0.00 30-A-X 0.00 0.00 0.00000000 0.00 15-PO 1,~~641~~670.4806 ~~408~~405,~~946~~626.5284 0.~~99600212~~98791694 1,~~641~~670.4806 30-PO 3,~~018~~183.4417 2,~~547~~541,~~406~~129.5618 0.~~99881650~~99635519 3,~~018~~183.4417 B-1 5,~~361~~440.1321 3,~~837~~826,~~638~~809.8736 0.~~99860496~~99578698 5,~~361~~440.1321 B-2 2,~~297~~331.6352 1,~~644~~640,~~702~~061.3715 0.~~99860496~~99578698 2,~~297~~331.6352 B-3 1,~~340~~360.6341 ~~959~~956,~~659~~951.3729 0.~~99860496~~99578698 1,~~340~~360.6341 B-4 ~~574~~583.7623 ~~411~~410,~~425~~264.24 0.~~99860495~~99578699 ~~574~~583.7623 B-5 ~~765~~777.8817 ~~548~~546,~~234~~687.1205 0.~~99860495~~99578698 ~~765~~777.8817 B-6 ~~574~~583.7321 ~~411~~410,~~406~~245.2732 0.~~99860496~~99578699 ~~574~~583.7321 P 0.00 0.01 1.00000000 0.00 Totals ~~868~~2,~~832~~414,715.5698 ~~273~~268,~~655~~351,~~211~~598.4529 0.~~99683513~~97751583 ~~868~~2,~~832~~414,715.5698

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-A-1 32,719,000.00 ~~1000~~956.~~00000000~~86068584 3.~~77176809~~71885907 011.~~22155078~~45477949 0.00000000 2-A-1 31,664,000.00 ~~1000~~986.~~00000000~~48639654 1.~~42660087~~43082586 29.~~79137885~~67421235 0.00000000 2-A-2 25,000,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 2-A-3 25,000,000.00 ~~1000~~985.~~00000000~~96478080 1.~~48166680~~48605480 210.~~89912400~~04763040 0.00000000 2-A-4 11,158,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 2-A-5 114,156,000.00 ~~1000~~986.~~00000000~~54351317 1.~~42057132~~42477837 29.~~77958084~~63332335 0.00000000 2-A-6 0.00 0.00000000 0.00000000 0.00000000 0.00000000 2-A-7 0.00 0.00000000 0.00000000 0.00000000 0.00000000 2-A-8 22,840,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 2-A-9 1,202,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-UR 25.00 ~~1000~~0.00000000 ~~944~~0.~~40000000~~00000000 550.~~60000000~~00000000 0.00000000 A-LR 25.00 ~~1000~~0.00000000 ~~944~~0.~~40000000~~00000000 550.~~60000000~~00000000 0.00000000 15-A-X 0.00 0.00000000 0.00000000 0.00000000 0.00000000 30-A-X 0.00 0.00000000 0.00000000 0.00000000 0.00000000 15-PO 410,588.00 ~~1000~~991.~~00000000~~98442234 3.~~91665124~~94970140 0.~~08120062~~11778230 0.00000000 30-PO 2,550,425.00 ~~1000~~997.~~00000000~~60328181 1.~~10158503~~11264593 0.~~08191968~~13544801 0.00000000 B-1 3,843,000.00 ~~1000~~997.~~00000000~~20259433 1.~~39503773~~41561540 0.00000000 0.00000000 B-2 1,647,000.00 ~~1000~~997.~~00000000~~20259259 1.~~39503947~~41561627 0.00000000 0.00000000 B-3 961,000.00 ~~1000~~997.~~00000000~~20259105 1.~~39503642~~41561915 0.00000000 0.00000000 B-4 412,000.00 ~~1000~~997.~~00000000~~20259709 1.~~39504854~~41560680 0.00000000 0.00000000 B-5 549,000.00 ~~1000~~997.~~00000000~~20258652 1.~~39504554~~41561020 0.00000000 0.00000000 B-6 411,981.00 ~~1000~~997.~~00000000~~20258944 1.~~39504006~~41562354 0.00000000 0.00000000 P 0.01 0.00000000 0.00000000 0.00000000 0.00000000 All Classes are per $1000 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 315.~~99331917~~17363856 ~~996~~941.~~00668083~~68704728 0.~~99600668~~94168705 315.~~99331917~~17363856 2-A-1 0.00000000 411.~~21798004~~10503821 ~~995~~975.~~78201996~~38135832 0.~~99578202~~97538136 411.~~21798004~~10503821 2-A-2 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 2-A-3 0.00000000 411.~~38079120~~53368520 ~~995~~974.~~61920880~~43109560 0.~~99561921~~97443110 411.~~38079120~~53368520 2-A-4 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 2-A-5 0.00000000 411.~~20015216~~05810172 ~~995~~975.~~79984784~~48541145 0.~~99579985~~97548541 411.~~20015216~~05810172 2-A-6 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 2-A-7 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 2-A-8 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 2-A-9 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 A-UR 0.00000000 ~~1,000~~0.00000000 0.00000000 0.00000000 ~~1,000~~0.00000000 A-LR 0.00000000 ~~1,000~~0.00000000 0.00000000 0.00000000 ~~1,000~~0.00000000 15-A-X 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 30-A-X 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 15-PO 0.00000000 34.~~99787622~~06748371 ~~996~~987.~~00212378~~91693863 0.~~99600212~~98791694 34.~~99787622~~06748371 30-PO 0.00000000 1.~~18350471~~24809395 ~~998~~996.~~81649529~~35518786 0.~~99881650~~99635519 1.~~18350471~~24809395 B-1 0.00000000 1.~~39503773~~41561540 ~~998~~995.~~60496227~~78697892 0.~~99860496~~99578698 1.~~39503773~~41561540 B-2 0.00000000 1.~~39503947~~41561627 ~~998~~995.~~60496053~~78697632 0.~~99860496~~99578698 1.~~39503947~~41561627 B-3 0.00000000 1.~~39503642~~41561915 ~~998~~995.~~60496358~~78698231 0.~~99860496~~99578698 1.~~39503642~~41561915 B-4 0.00000000 1.~~39504854~~41560680 ~~998~~995.~~60495146~~78699029 0.~~99860495~~99578699 1.~~39504854~~41560680 B-5 0.00000000 1.~~39504554~~41561020 ~~998~~995.~~60495446~~78697632 0.~~99860495~~99578698 1.~~39504554~~41561020 B-6 0.00000000 1.~~39504006~~41562354 ~~998~~995.~~60495994~~78699018 0.~~99860496~~99578699 1.~~39504006~~41562354 P 0.00000000 0.00000000 0.00000000 1.00000000 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 32,719,000.00 5.00000% 3231,~~719~~307,~~000~~524.0078 ~~136~~130,~~329~~448.1702 0.00 0.00 2-A-1 31,664,000.00 3.~~40000~~76000% 31,~~664~~236,~~000~~105.0026 8997,~~714~~873.6713 0.00 0.00 2-A-2 25,000,000.00 5.25000% 25,000,000.00 109,375.00 0.00 0.00 2-A-3 25,000,000.00 5.25000% 2524,~~000~~649,~~000~~119.0052 ~~109~~107,~~375~~839.0090 0.00 0.00 2-A-4 11,158,000.00 5.50000% 11,158,000.00 51,140.83 0.00 0.00 2-A-5 114,156,000.00 5.00000% ~~114~~112,~~156~~619,~~000~~861.0029 ~~475~~469,~~650~~249.0042 0.00 0.00 2-A-6 0.00 43.~~10000~~74000% 31,~~664~~236,~~000~~105.0026 ~~108~~97,~~185~~352.3353 0.00 0.00 2-A-7 0.00 5.50000% 772,727.0027 3,541.67 0.00 0.00 2-A-8 22,840,000.00 5.50000% 22,840,000.00 104,683.33 0.00 0.00 2-A-9 1,202,000.00 5.50000% 1,202,000.00 5,509.17 0.00 0.00 A-UR 25.00 5.00000% 250.00 0.1000 0.00 0.00 A-LR 25.00 5.00000% 250.00 0.1000 0.00 0.00 15-A-X 0.00 5.00000% 1,~~196~~129,~~279~~302.0042 4,~~984~~705.5043 0.00 0.00 30-A-X 0.00 5.50000% 6,~~197~~105,~~049~~190.0095 2827,~~403~~982.1413 0.00 0.00 15-PO 410,588.00 0.00000% ~~410~~407,~~588~~296.0090 0.00 0.00 0.00 30-PO 2,550,425.00 0.00000% 2,~~550~~544,~~425~~312.0035 0.00 0.00 0.00 B-1 3,843,000.00 5.~~43791~~43821% 3,~~843~~832,~~000~~249.0057 17,~~414~~367.9013 0.00 0.00 B-2 1,647,000.00 5.~~43791~~43821% 1,~~647~~642,~~000~~392.0067 7,~~463~~443.5306 0.00 0.00 B-3 961,000.00 5.~~43791~~43821% ~~961~~958,~~000~~311.0069 4,~~354~~342.8691 0.00 0.00 B-4 412,000.00 5.~~43791~~43821% ~~412~~410,~~000~~847.0047 1,~~867~~861.0289 0.00 0.00 B-5 549,000.00 5.~~43791~~43821% ~~549~~547,~~000~~464.0022 2,~~487~~481.8402 0.00 0.00 B-6 411,981.00 5.~~43791~~43821% ~~411~~410,~~981~~828.0052 1,~~866~~861.9381 0.00 0.00 P 0.01 0.00000% 0.01 0.00 0.00 0.00 Totals 274,524,044.01 1,~~262~~245,~~347~~058.0938 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 ~~136~~130,~~329~~448.1702 0.00 3230,~~588~~811,~~342~~058.5950 2-A-1 0.00 0.00 8997,~~714~~873.6713 0.00 3130,~~530~~884,~~441~~475.8833 2-A-2 0.00 0.00 109,375.00 0.00 25,000,000.00 2-A-3 0.00 0.00 ~~109~~107,~~375~~839.0090 0.00 24,~~890~~360,~~480~~777.2239 2-A-4 0.00 0.00 51,140.83 0.00 11,158,000.00 2-A-5 0.00 0.00 ~~475~~469,~~650~~249.0042 0.00 ~~113~~111,~~676~~357,~~527~~512.4363 2-A-6 0.00 0.00 ~~108~~97,~~185~~352.3353 0.00 3130,~~530~~884,~~441~~475.8833 2-A-7 0.00 0.00 3,541.67 0.00 772,727.27 2-A-8 0.00 0.00 104,683.33 0.00 22,840,000.00 2-A-9 0.00 0.00 5,509.17 0.00 1,202,000.00 A-UR 0.00 0.00 0.1000 0.00 0.00 A-LR 0.00 0.00 0.1000 0.00 0.00 15-A-X 0.00 0.00 4,~~984~~705.5043 0.00 1,~~191~~106,~~539~~285.8517 30-A-X 0.00 0.00 2827,~~403~~982.1413 0.00 6,~~169~~075,~~426~~078.6202 15-PO 0.00 0.00 0.00 0.00 ~~408~~405,~~946~~626.5284 30-PO 0.00 0.00 0.00 0.00 2,~~547~~541,~~406~~129.5618 B-1 0.00 0.00 17,~~414~~367.9013 0.00 3,~~837~~826,~~638~~809.8736 B-2 0.00 0.00 7,~~463~~443.5306 0.00 1,~~644~~640,~~702~~061.3715 B-3 0.00 0.00 4,~~354~~342.8691 0.00 ~~959~~956,~~659~~951.3729 B-4 0.00 0.00 1,~~867~~861.0289 0.00 ~~411~~410,~~425~~264.24 B-5 0.00 0.00 2,~~487~~481.8402 0.00 ~~548~~546,~~234~~687.1205 B-6 0.00 0.00 1,~~866~~861.9381 0.00 ~~411~~410,~~406~~245.2732 P 0.00 0.00 0.00 0.00 0.01 Totals 0.00 0.00 1,~~262~~245,~~347~~058.0938 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 32,719,000.00 5.00000% ~~1000~~956.~~00000000~~86068584 43.~~16666677~~98691953 0.00000000 0.00000000 2-A-1 31,664,000.00 3.~~40000~~76000% ~~1000~~986.~~00000000~~48639654 23.~~83333344~~09099072 0.00000000 0.00000000 2-A-2 25,000,000.00 5.25000% 1000.00000000 4.37500000 0.00000000 0.00000000 2-A-3 25,000,000.00 5.25000% ~~1000~~985.~~00000000~~96478080 4.~~37500000~~31359600 0.00000000 0.00000000 2-A-4 11,158,000.00 5.50000% 1000.00000000 4.58333303 0.00000000 0.00000000 2-A-5 114,156,000.00 5.00000% ~~1000~~986.~~00000000~~54351317 4.~~16666667~~11059795 0.00000000 0.00000000 2-A-6 0.00 43.~~10000~~74000% ~~1000~~986.~~00000000~~48639654 3.~~41666656~~07454933 0.00000000 0.00000000 2-A-7 0.00 5.50000% 1000.~~00000000~~00034941 4.58333926 0.00000000 0.00000000 2-A-8 22,840,000.00 5.50000% 1000.00000000 4.58333319 0.00000000 0.00000000 2-A-9 1,202,000.00 5.50000% 1000.00000000 4.58333611 0.00000000 0.00000000 A-UR 25.00 5.00000% ~~1000~~0.00000000 40.00000000 0.00000000 0.00000000 A-LR 25.00 5.00000% ~~1000~~0.00000000 40.00000000 0.00000000 0.00000000 15-A-X 0.00 5.00000% ~~1000~~944.~~00000000~~01257566 43.~~16667015~~93338845 0.00000000 0.00000000 30-A-X 0.00 5.50000% ~~1000~~985.~~48433585~~65428688 4.~~58555300~~51758293 0.00000000 0.00000000 15-PO 410,588.00 0.00000% ~~1000~~991.~~00000000~~98442234 0.00000000 0.00000000 0.00000000 30-PO 2,550,425.00 0.00000% ~~1000~~997.~~00000000~~60328181 0.00000000 0.00000000 0.00000000 B-1 3,843,000.00 5.~~43791~~43821% ~~1000~~997.~~00000000~~20259433 4.~~53158990~~51915951 0.00000000 0.00000000 B-2 1,647,000.00 5.~~43791~~43821% ~~1000~~997.~~00000000~~20259259 4.~~53159077~~51916211 0.00000000 0.00000000 B-3 961,000.00 5.~~43791~~43821% ~~1000~~997.~~00000000~~20259105 4.~~53159209~~51915713 0.00000000 0.00000000 B-4 412,000.00 5.~~43791~~43821% ~~1000~~997.~~00000000~~20259709 4.~~53160194~~51915049 0.00000000 0.00000000 B-5 549,000.00 5.~~43791~~43821% ~~1000~~997.~~00000000~~20258652 4.~~53158470~~51916211 0.00000000 0.00000000 B-6 411,981.00 5.~~43791~~43821% ~~1000~~997.~~00000000~~20258944 4.~~53159248~~51916472 0.00000000 0.00000000 P 0.01 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 All Classes are per $1000 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 43.~~16666677~~98691953 0.00000000 ~~996~~941.~~00668083~~68704728 2-A-1 0.00000000 0.00000000 23.~~83333344~~09099072 0.00000000 ~~995~~975.~~78201996~~38135832 2-A-2 0.00000000 0.00000000 4.37500000 0.00000000 1000.00000000 2-A-3 0.00000000 0.00000000 4.~~37500000~~31359600 0.00000000 ~~995~~974.~~61920880~~43109560 2-A-4 0.00000000 0.00000000 4.58333303 0.00000000 1000.00000000 2-A-5 0.00000000 0.00000000 4.~~16666667~~11059795 0.00000000 ~~995~~975.~~79984784~~48541145 2-A-6 0.00000000 0.00000000 3.~~41666656~~07454933 0.00000000 ~~995~~975.~~78201996~~38135832 2-A-7 0.00000000 0.00000000 4.58333926 0.00000000 1000.00034941 2-A-8 0.00000000 0.00000000 4.58333319 0.00000000 1000.00000000 2-A-9 0.00000000 0.00000000 4.58333611 0.00000000 1000.00000000 A-UR 0.00000000 0.00000000 40.00000000 0.00000000 0.00000000 A-LR 0.00000000 0.00000000 40.00000000 0.00000000 0.00000000 15-A-X 0.00000000 0.00000000 43.~~16667015~~93338845 0.00000000 ~~996~~924.~~03842415~~77187178 30-A-X 0.00000000 0.00000000 4.~~58555300~~51758293 0.00000000 ~~996~~980.~~02483287~~79269634 15-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~996~~987.~~00212378~~91693863 30-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~998~~996.~~81649529~~35518786 B-1 0.00000000 0.00000000 4.~~53158990~~51915951 0.00000000 ~~998~~995.~~60496227~~78697892 B-2 0.00000000 0.00000000 4.~~53159077~~51916211 0.00000000 ~~998~~995.~~60496053~~78697632 B-3 0.00000000 0.00000000 4.~~53159209~~51915713 0.00000000 ~~998~~995.~~60496358~~78698231 B-4 0.00000000 0.00000000 4.~~53160194~~51915049 0.00000000 ~~998~~995.~~60495146~~78699029 B-5 0.00000000 0.00000000 4.~~53158470~~51916211 0.00000000 ~~998~~995.~~60495446~~78697632 B-6 0.00000000 0.00000000 4.~~53159248~~51916472 0.00000000 ~~998~~995.~~60495994~~78699018 P 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 ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal 23,~~190~~718,~~256~~058.8129 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 23,~~190~~718,~~256~~058.8129 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 5958,~~077~~283.1693 Payment of Interest and Principal 23,~~131~~659,~~179~~774.6536 Total Withdrawals (Pool Distribution Amount) 23,~~190~~718,~~256~~058.8129 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee 5756,~~192~~409.5165 Assured Guaranty Corp Fee 1,666.67 Master Servicing Fee ~~217~~207.9861 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 5958,~~077~~283.1693

OTHER ACCOUNTS Beginning Current Current Ending Account Type Balance Withdrawals Deposits Balance Financial Guaranty 0.00 0.00 0.00 0.00 Reserve Fund 2524,~~000~~893.0073 0.00 0.00 2524,~~000~~893.0073 Reserve Fund 999.99 0.00 0.00 999.99

LOAN STATUS STRATIFICATION/CREDIT ENHANCEMENT STATEMENT 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 01 0 0 0 01 0392,730.0043 0.00 0.00 0.00 0392,730.0043 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 01 0 0 0 01 0392,730.0043 0.00 0.00 0.00 0392,730.0043 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 0.~~000000~~194175% 0.000000% 0.000000% 0.000000% 0.~~000000~~194175% 0.~~000000~~146179% 0.000000% 0.000000% 0.000000% 0.~~000000~~146179% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180+ Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 0.~~000000~~194175% 0.000000% 0.000000% 0.000000% 0.~~000000~~194175% 0.~~000000~~146179% 0.000000% 0.000000% 0.000000% 0.~~000000~~146179%

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 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180+ Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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 01 0 0 0 01 0392,730.0043 0.00 0.00 0.00 0392,730.0043 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 01 0 0 0 01 0392,730.0043 0.00 0.00 0.00 0392,730.0043 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~000000~~222222% 0.000000% 0.000000% 0.000000% 0.~~000000~~222222% 0.~~000000~~166144% 0.000000% 0.000000% 0.000000% 0.~~000000~~166144% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180+ Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 0.~~000000~~222222% 0.000000% 0.000000% 0.000000% 0.~~000000~~222222% 0.~~000000~~166144% 0.000000% 0.000000% 0.000000% 0.~~000000~~166144%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 02,186.0036

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 100,000.00 0.03642668% 100,000.00 0.~~03654233~~03726454% Fraud 2,745,240.45 1.00000000% 2,745,240.45 1.~~00317492~~02300134% Special Hazard 3,527,843.00 1.28507614% 3,527,843.00 1.~~28915615~~31463461% Limit of Subordinate's Exposure to Certain Types of Losses

REO Detail - All Mortgage Loans in REO during Current Period

Summary 12 Month REO History* New REO Loans Month REO Percentage Loans in REO 0 ~~Jul~~Sep-04 0.000% Original Principal Balance 0.00 ~~Aug~~Oct-04 0.000% Current Principal Balance 0.00 ~~Sep~~Nov-04 0.000% ~~Oct~~Dec-04 0.000% Current REO Total ~~Nov~~Jan-0405 0.000% Loans in REO 0 ~~Dec~~Feb-0405 0.000% Original Principal Balance 0.00 ~~Jan~~Mar-05 0.000% Current Principal Balance 0.00 ~~Feb~~Apr-05 0.000% ~~Mar~~May-05 0.000% ~~Apr~~Jun-05 0.000% ~~May~~Jul-05 0.000% ~~Jun~~Aug-05 0.000% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com. 1 12 Month REO History* New REO Loans Month REO Percentage Loans in REO 0 ~~Jul~~Sep-04 0.000% Original Principal Balance 0.00 ~~Aug~~Oct-04 0.000% Current Principal Balance 0.00 ~~Sep~~Nov-04 0.000% ~~Oct~~Dec-04 0.000% Current REO Total ~~Nov~~Jan-0405 0.000% Loans in REO 0 ~~Dec~~Feb-0405 0.000% Original Principal Balance 0.00 ~~Jan~~Mar-05 0.000% Current Principal Balance 0.00 ~~Feb~~Apr-05 0.000% ~~Mar~~May-05 0.000% ~~Apr~~Jun-05 0.000% ~~May~~Jul-05 0.000% ~~Jun~~Aug-05 0.000% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com. 2 12 Month REO History* New REO Loans Month REO Percentage Loans in REO 0 ~~Jul~~Sep-04 0.000% Original Principal Balance 0.00 ~~Aug~~Oct-04 0.000% Current Principal Balance 0.00 ~~Sep~~Nov-04 0.000% ~~Oct~~Dec-04 0.000% Current REO Total ~~Nov~~Jan-0405 0.000% Loans in REO 0 ~~Dec~~Feb-0405 0.000% Original Principal Balance 0.00 ~~Jan~~Mar-05 0.000% Current Principal Balance 0.00 ~~Feb~~Apr-05 0.000% ~~Mar~~May-05 0.000% ~~Apr~~Jun-05 0.000% ~~May~~Jul-05 0.000% ~~Jun~~Aug-05 0.000% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com.

Foreclosure Detail - All Mortgage Loans in Foreclosure during Current Period

Summary 12 Month Foreclosure History* New Foreclosure Loans Month Foreclosure Percentage Loans in Foreclosure 0 ~~Jul~~Sep-04 0.000% Original Principal Balance 0.00 ~~Aug~~Oct-04 0.000% Current Principal Balance 0.00 ~~Sep~~Nov-04 0.000% ~~Oct~~Dec-04 0.000% Current Foreclosure Total ~~Nov~~Jan-0405 0.000% Loans in Foreclosure 0 ~~Dec~~Feb-0405 0.000% Original Principal Balance 0.00 ~~Jan~~Mar-05 0.000% Current Principal Balance 0.00 ~~Feb~~Apr-05 0.000% ~~Mar~~May-05 0.000% ~~Apr~~Jun-05 0.000% ~~May~~Jul-05 0.000% ~~Jun~~Aug-05 0.000% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com. 1 12 Month Foreclosure History* New Foreclosure Loans Month Foreclosure Percentage Loans in Foreclosure 0 ~~Jul~~Sep-04 0.000% Original Principal Balance 0.00 ~~Aug~~Oct-04 0.000% Current Principal Balance 0.00 ~~Sep~~Nov-04 0.000% ~~Oct~~Dec-04 0.000% Current Foreclosure Total ~~Nov~~Jan-0405 0.000% Loans in Foreclosure 0 ~~Dec~~Feb-0405 0.000% Original Principal Balance 0.00 ~~Jan~~Mar-05 0.000% Current Principal Balance 0.00 ~~Feb~~Apr-05 0.000% ~~Mar~~May-05 0.000% ~~Apr~~Jun-05 0.000% ~~May~~Jul-05 0.000% ~~Jun~~Aug-05 0.000% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com. 2 12 Month Foreclosure History* New Foreclosure Loans Month Foreclosure Percentage Loans in Foreclosure 0 ~~Jul~~Sep-04 0.000% Original Principal Balance 0.00 ~~Aug~~Oct-04 0.000% Current Principal Balance 0.00 ~~Sep~~Nov-04 0.000% ~~Oct~~Dec-04 0.000% Current Foreclosure Total ~~Nov~~Jan-0405 0.000% Loans in Foreclosure 0 ~~Dec~~Feb-0405 0.000% Original Principal Balance 0.00 ~~Jan~~Mar-05 0.000% Current Principal Balance 0.00 ~~Feb~~Apr-05 0.000% ~~Mar~~May-05 0.000% ~~Apr~~Jun-05 0.000% ~~May~~Jul-05 0.000% ~~Jun~~Aug-05 0.000% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com.

COLLATERAL STATEMENT Collateral Description Mixed Fixed Ratio Strip Weighted Average Gross Coupon 5.~~776213~~776238% Weighted Average Pass-Through Rate 5.~~525260~~525318% Weighted Average Maturity(Stepdown Calculation) ~~333~~331 Beginning Scheduled Collateral Loan Count ~~524~~519 Number Of Loans Paid In Full 14 Ending Scheduled Collateral Loan Count ~~523~~515 Beginning Scheduled Collateral Balance ~~274~~270,~~524~~766,~~044~~315.0051 Ending Scheduled Collateral Balance ~~273~~268,~~655~~351,~~212~~599.7354 Ending Actual Collateral Balance at 3129-~~May~~Jul-2005 ~~273~~268,~~944~~664,~~419~~307.1075 Monthly P&I Constant 1,~~704~~685,~~592~~658.9089 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 23,~~081~~610,~~816~~154.5323 Class AP Deferred Amount 0.00 Scheduled Principal ~~383~~382,~~168~~316.4155 Unscheduled Principal ~~485~~2,~~664~~032,399.1242

Group Level Collateral Statement Group 1 2 Total Collateral Description Fixed 15 & 30 Year Fixed 15 & 30 Year Mixed Fixed Ratio Strip Weighted Average Coupon Rate 5.~~366350~~361661 5.~~834348~~833142 5.~~776213~~776238 Weighted Average Net Rate 5.~~116350~~111661 5.~~584348~~583142 5.~~526213~~526238 Weighted Average Maturity ~~174~~172 ~~355~~353 ~~333~~331 Beginning Loan Count 6766 ~~457~~453 ~~524~~519 Loans Paid In Full 0 1 13 4 Ending Loan Count 6765 ~~456~~450 ~~523~~515 Beginning Scheduled Balance 3432,~~101~~679,~~249~~082.1047 ~~240~~238,~~422~~087,~~796~~233.1604 ~~274~~270,~~524~~766,~~045~~315.2651 Ending Scheduled Balance 3332,~~965~~177,~~234~~198.1352 ~~239~~236,~~689~~174,~~978~~401.6002 ~~273~~268,~~655~~351,~~212~~599.7354 Record Date 0507/3129/2005 0507/3129/2005 0507/3129/2005 Principal And Interest Constant ~~281~~273,~~229~~058.3047 1,~~423~~412,~~363~~600.6042 1,~~704~~685,~~592~~658.9089 Scheduled Principal ~~128~~127,~~729~~046.9366 ~~254~~255,~~438~~269.4889 ~~383~~382,~~168~~316.4155 Unscheduled Principal 7374,~~285~~837.0429 ~~478~~1,~~379~~657,562.0813 ~~485~~2,~~664~~032,399.1242 Scheduled Interest ~~152~~146,~~499~~011.3781 1,~~168~~157,~~925~~330.1253 1,~~321~~303,~~424~~342.4934 Servicing Fees 76,~~104~~808.4314 5049,~~088~~601.0851 5756,~~192~~409.5165 Master Servicing Fees 32.6742 ~~185~~175.3119 ~~217~~207.9861 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 0.00 Pool Insurance Fee 0.00 0.00 0.00 Spread 1 0.00 0.00 0.00 Spread 2 0.00 0.00 0.00 Spread 3 0.00 0.00 0.00 Net Interest ~~145~~139,~~362~~171.2725 1,~~118~~107,~~651~~553.7383 1,~~264~~246,~~014~~725.0008 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.~~115201~~110471 5.~~583423~~582259 5.~~525260~~525318

Prepayment Detail - Prepayments during Current Period Summary Loans Paid In Full Repurchased Loans Original Current Original Current Principal Principal Principal Principal Group Count Balance Balance Count Balance Balance ~~Total~~1 1 ~~460~~379,~~000~~900.00 ~~457~~367,~~217~~406.8569 0 0.00 0.00 2 3 1,463,390.00 1,454,115.35 0 0.00 0.00 Total 4 1,843,290.00 1,821,522.04 0 0.00 0.00

Prepayment Detail - Prepayments during Current Period (continued) Summary Substitution Loans Liquidated Loans Curtailments Original Current Original Current Principal Principal Principal Principal Curtailment Group Count Balance Balance Count Balance Balance Amount 1 0 0.00 0.00 0 0.00 0.00 8,850.75 2 0 0.00 0.00 0 0.00 0.00 205,007.78 Total 0 0.00 0.00 0 0.00 0.00 28213,~~918~~858.1153

Prepayment Loan Detail - Prepayments during Current Period First Original Loan LTV at Payment Principal Prepayment Group Number State Origination Date Balance Amount 1 0149492184 MD 60.49 01-Nov-2004 379,900.00 365,986.54 2 ~~0644820375~~0005706443 DC 58.25 01-Feb-2005 477,590.00 473,308.69 2 4515010030 CA 6273.5902 01-~~Dec~~Apr-~~2004~~2005 ~~460~~598,~~000~~800.00 ~~456~~595,~~746~~532.84 2 9032722480 CA 70.36 01-Jan-2005 387,000.00 383,712.82

Prepayment Loan Detail - Prepayments during Current Period (continued) Current Loan PIF Months Loan Original Group Number Type Delinquent Rate Term Seasoning 1 0149492184 Loan Paid in Full 0 5.500% 180 9 2 ~~0644820375~~0005706443 Loan Paid in Full 0 65.~~000~~875% 360 6 2 4515010030 Loan Paid in Full (1) 5.750% 360 4 2 9032722480 Loan Paid in Full 0 5.750% 360 7

Prepayment - Voluntary Prepayments

Summary SMM CPR PSA Current Month 0.~~177~~752% Current Month 28.~~105~~656% Current Month ~~272~~739.~~427~~486% 3 Month Average 0.~~000~~615% 3 Month Average 7.074% 3 Month Average 696.169% 12 Month Average 0.000% 312 Month Average 0.000% 12 Month Average 0.000% CPR: Current vs 12mo Average* PSA: Current vs 12mo Average* Month Current 12mo Avg. Month Current 12mo Avg. Sep-2004 N/A N/A Sep-2004 N/A N/A Oct-2004 N/A N/A Oct-2004 N/A N/A Nov-2004 N/A N/A Nov-2004 N/A N/A Dec-2004 N/A N/A Dec-2004 N/A N/A Jan-2005 N/A N/A Jan-2005 N/A N/A Feb-2005 N/A N/A Feb-2005 N/A N/A Mar-2005 N/A N/A Mar-2005 N/A N/A Apr-2005 N/A N/A Apr-2005 N/A N/A May-2005 N/A N/A May-2005 N/A N/A Jun-2005 2.105% N/A Jun-2005 272.427% N/A Jul-2005 10.459% N/A Jul-2005 1,076.594% N/A Aug-2005 8.656% N/A Aug-2005 739.486% N/A *The text reported in the above table is presented *The text reported in the above table is presented graphically on the monthly bond remittance report. The graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at monthly bond remittance report can be viewed online at www.ctslink.com. www.ctslink.com. 1 SMM CPR PSA Current Month 1.152% Current Month 12.976% Current Month 995.677% 3 Month Average 1.531% 3 Month Average 15.787% 3 Month Average 1,367.220% 12 Month Average 0.000% 12 Month Average 0.000% 12 Month Average 0.000% CPR: Current vs 12mo Average* PSA: Current vs 12mo Average* Month Current 12mo Avg. Month Current 12mo Avg. ~~Jul~~Sep-2004 N/A N/A ~~Jul~~Sep-2004 N/A N/A ~~Aug~~Oct-2004 N/A N/A ~~Aug~~Oct-2004 N/A N/A Nov-2004 N/A N/A Nov-2004 N/A N/A Dec-2004 N/A N/A Dec-2004 N/A N/A Jan-2005 N/A N/A Jan-2005 N/A N/A Feb-2005 N/A N/A Feb-2005 N/A N/A Mar-2005 N/A N/A Mar-2005 N/A N/A Apr-2005 N/A N/A Apr-2005 N/A N/A May-2005 N/A N/A May-2005 N/A N/A Jun-2005 0.257% N/A Jun-2005 28.216% N/A Jul-2005 34.127% N/A Jul-2005 3,077.766% N/A Aug-2005 12.976% N/A Aug-2005 995.677% N/A *The text reported in the above table is presented *The text reported in the above table is presented graphically on the monthly bond remittance report. The graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at monthly bond remittance report can be viewed online at www.ctslink.com. www.ctslink.com. 2 SMM CPR PSA Current Month 0.697% Current Month 8.050% Current Month 698.478% 3 Month Average 0.486% 3 Month Average 5.654% 3 Month Average 566.565% 12 Month Average 0.000% 12 Month Average 0.000% 12 Month Average 0.000% CPR: Current vs 12mo Average* PSA: Current vs 12mo Average* Month Current 12mo Avg. Month Current 12mo Avg. Sep-2004 N/A N/A Sep-2004 N/A N/A Oct-2004 N/A N/A Oct-2004 N/A N/A Nov-2004 N/A N/A Nov-2004 N/A N/A Dec-2004 N/A N/A Dec-2004 N/A N/A Jan-2005 N/A N/A Jan-2005 N/A N/A Feb-2005 N/A N/A Feb-2005 N/A N/A Mar-2005 N/A N/A Mar-2005 N/A N/A Apr-2005 N/A N/A Apr-2005 N/A N/A May-2005 N/A N/A May-2005 N/A N/A Jun-2005 2.~~105~~364% N/A Jun-2005 ~~272~~313.~~427~~877% N/A Jul-2005 6.548% N/A Jul-2005 687.339% N/A Aug-2005 8.050% N/A Aug-2005 698.478% N/A *The text reported in the above table is presented *The text reported in the above table is presented graphically on the monthly bond remittance report. The graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at monthly bond remittance report can be viewed online at www.ctslink.com. www.ctslink.com. Calculation Methodology: Single Month Mortality (SMM): (Partial and full prepayments + Repurchases) / (Beginning Scheduled Balance - Scheduled Principal) Conditional PrePayment Rate (CPR): 1 - ((1 - SMM)^12) PSA Standard Prepayment Model: 100 * CPR / (0.2 * MIN(30,WAS)) Weighted Average Seasoning (WAS): sum((Original Term - Remaining Term)*(Current Scheduled Balance/Deal Scheduled Principal Balance))

Realized Loss Report - Collateral Summary

Filing Compare · MASTR Asset Securitization Trust 2005-1