8-K 1 mst04008_nov.txt NOV 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D. C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 26, 2004 MASTR ASSET SECURITIZATION TRUST Mortgage Pass-Through Certificates, Series 2004-8 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-106982-34 54-2157847 Pooling and Servicing Agreement) (Commission 54-2157848 (State or other File Number) 54-2157849 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 November 26, 2004 a distribution was made to holders of MASTR ASSET SECURITIZATION TRUST, Mortgage Pass-Through Certificates, Series 2004-8 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 2004-8 Trust, relating to the November 26, 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 ASSET SECURITIZATION TRUST Mortgage Pass-Through Certificates, Series 2004-8 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: 11/29/04 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2004-8 Trust, relating to the November 26, 2004 distribution. EX-99.1

Mortgage Asset Securitization Transactions, Inc. Mortgage Pass-Through Certificates Record Date: 810/31/~~2004~~04 Distribution Date: 911/2726/~~2004~~04 MASTR Series: 2004-8 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 57643MEE0 SEN 4.75000% 6968,~~629~~628,~~738~~571.4556 ~~275~~271,~~617~~654.7176 ~~302~~292,~~412~~785.3729 2-A-1 57643MEF7 SEN 5.00000% ~~177~~175,~~668~~594,~~588~~778.3474 ~~740~~731,~~285~~644.7891 1813,~~323,034~~689.7749 3-A-1 57643MEG5 SEN 5.25000% 3433,~~869~~169,~~513~~603.4405 ~~152~~145,~~554~~117.1201 ~~141~~1,~~196~~208,639.1866 4-A-1 57643MEQ3 SEN 4.~~90464~~89933% 1716,~~667~~170,~~228~~797.3840 7266,~~209~~021.4480 ~~707~~2,~~306~~529,973.0169 4-A-2 57643MER1 SEN 4.~~90464~~89933% 41,089,000.00 167,~~938~~757.8432 0.00 4-A-3 57643MFB5 SEN 4.~~90464~~89933% 46,536,000.00 ~~190~~189,~~201~~996.8022 0.00 PO 57643MEH3 PO 0.00000% 9,~~882~~742,~~296~~907.7557 0.00 7242,~~099~~829.3412 AX 57643MEJ9 IO 5.00000% 0.00 1,~~944~~930.8343 0.00 4-B-1 57643MES9 SUB 4.~~90464~~89933% ~~586~~582,~~782~~301.9993 2,~~398~~377.3041 2,~~228~~252.2875 4-B-2 57643MET7 SUB 4.~~90464~~89933% ~~213~~211,~~194~~566.5041 ~~871~~863.3778 ~~809~~818.5949 4-B-3 57643MEU4 SUB 4.~~90464~~89933% ~~192~~190,~~273~~805.5422 ~~785~~779.8602 ~~730~~738.1517 4-B-4 57643MEV2 SUB 4.~~90464~~89933% ~~116~~115,~~559~~669.6148 ~~476~~472.4025 ~~442~~447.6349 4-B-5 57643MEW0 SUB 4.~~90464~~89933% ~~117~~116,~~555~~658.8511 ~~480~~476.4729 ~~446~~451.4131 4-B-6 57643MEX8 SUB 4.~~90464~~89933% 53,~~832~~421.2313 ~~220~~218.0211 ~~204~~206.4267 B-1 57643MEM2 SUB 4.~~92543~~92544% 1,~~476~~464,~~373~~980.2210 6,~~059~~013.8106 5,~~682~~740.0967 B-2 57643MEN0 SUB 4.~~92543~~92544% ~~591~~587,~~744~~178.7326 2,~~428~~410.8309 2,~~277~~300.4492 B-3 57643MEP5 SUB 4.~~92543~~92544% ~~442~~438,~~314~~900.2492 1,~~815~~801.4948 1,~~702~~719.3388 B-4 57643MEY6 SUB 4.~~92543~~92544% ~~295~~293,~~872~~589.3713 1,~~214~~205.4105 1,~~138~~150.7246 B-5 57643MEZ3 SUB 4.~~92543~~92544% ~~294~~292,~~876~~600.1661 1,~~210~~200.3399 1,~~134~~146.8959 B-6 57643MFA7 SUB 4.~~92543~~92544% ~~148~~147,~~709~~562.8021 ~~610~~605.3867 ~~572~~578.3424 A-LR 57643MEK6 SEN 4.75000% 0.00 0.00 0.00 A-UR 57643MEL4 SEN 4.75000% 0.00 0.30 0.00 Totals ~~401~~395,~~872~~426,~~454~~891.6083 1,~~619~~592,~~324~~545.4995 24,~~563~~905,~~417~~468.9689

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses 1-A-1 0.00 6968,~~327~~335,~~326~~786.0828 ~~578~~564,~~030~~440.0805 0.00 2-A-1 0.00 ~~176~~174,~~345~~781,~~553~~089.5725 21,~~063~~545,~~320~~334.5540 0.00 3-A-1 0.00 3431,~~728~~960,~~317~~963.2539 ~~293~~1,~~750~~353,756.3067 0.00 4-A-1 0.00 1613,~~959~~640,~~922~~823.3770 ~~779~~2,~~515~~595,995.4549 0.00 4-A-2 0.00 41,089,000.00 167,~~938~~757.8432 0.00 4-A-3 0.00 46,536,000.00 ~~190~~189,~~201~~996.8022 0.00 PO 0.00 9,~~810~~700,~~197~~078.4145 7242,~~099~~829.3412 0.00 AX 0.00 0.00 1,~~944~~930.8343 0.00 4-B-1 0.00 ~~584~~580,~~554~~049.7218 4,~~626~~630.5816 0.00 4-B-2 0.00 ~~212~~210,~~384~~747.9192 1,~~680~~682.9627 0.00 4-B-3 0.00 ~~191~~190,~~543~~067.4005 1,~~516~~517.0119 0.00 4-B-4 0.00 ~~116~~115,~~116~~221.9899 919.0374 0.00 4-B-5 0.00 ~~117~~116,~~109~~206.4380 ~~926~~927.8860 0.00 4-B-6 0.00 53,~~627~~214.8046 424.4478 0.00 B-1 0.00 1,~~470~~459,~~691~~239.1243 11,~~741~~753.9073 0.00 B-2 0.00 ~~589~~584,~~467~~877.2934 4,~~706~~711.2701 0.00 B-3 0.00 ~~440~~437,~~611~~181.9104 3,~~517~~521.8236 0.00 B-4 0.00 ~~294~~292,~~733~~438.6567 2,~~353~~355.1351 0.00 B-5 0.00 ~~293~~291,~~741~~454.2803 2,~~345~~347.2258 0.00 B-6 0.00 ~~148~~146,~~137~~983.4697 1,~~182~~183.7291 0.00 A-LR 0.00 0.00 0.00 0.00 A-UR 0.00 0.00 0.30 0.00 Totals 0.00 ~~399~~390,~~309~~521,~~036~~422.6395 46,~~182~~498,~~742~~014.4584 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 70,000,000.00 6968,~~629~~628,~~738~~571.4556 271,~~053~~994.0386 3120,~~359~~790.3443 0.00 0.00 2-A-1 178,371,000.00 ~~177~~175,~~668~~594,~~588~~778.3474 ~~681~~685,~~454~~645.6587 ~~641~~128,~~580~~043.1263 0.00 0.00 3-A-1 35,000,000.00 3433,~~869~~169,~~513~~603.4405 ~~130~~126,~~168~~207.7669 111,~~027~~082,431.4297 0.00 0.00 4-A-1 18,105,000.00 1716,~~667~~170,~~228~~797.3840 ~~399~~401,~~841~~554.3149 ~~307~~2,~~464~~128,419.7020 0.00 0.00 4-A-2 41,089,000.00 41,089,000.00 0.00 0.00 0.00 0.00 4-A-3 46,536,000.00 46,536,000.00 0.00 0.00 0.00 0.00 PO 9,924,108.33 9,~~882~~742,~~296~~907.7557 38,~~117~~262.0075 334,~~982~~566.3436 0.00 0.00 AX 0.00 0.00 0.00 0.00 0.00 0.00 4-B-1 589,000.00 ~~586~~582,~~782~~301.9993 2,~~228~~252.2875 0.00 0.00 0.00 4-B-2 214,000.00 ~~213~~211,~~194~~566.5041 ~~809~~818.5949 0.00 0.00 0.00 4-B-3 193,000.00 ~~192~~190,~~273~~805.5422 ~~730~~738.1517 0.00 0.00 0.00 4-B-4 117,000.00 ~~116~~115,~~559~~669.6148 ~~442~~447.6349 0.00 0.00 0.00 4-B-5 118,000.00 ~~117~~116,~~555~~658.8511 ~~446~~451.4131 0.00 0.00 0.00 4-B-6 54,035.62 53,~~832~~421.2313 ~~204~~206.4267 0.00 0.00 0.00 B-1 1,482,000.00 1,~~476~~464,~~373~~980.2210 5,~~682~~740.0967 0.00 0.00 0.00 B-2 594,000.00 ~~591~~587,~~744~~178.7326 2,~~277~~300.4492 0.00 0.00 0.00 B-3 444,000.00 ~~442~~438,~~314~~900.2492 1,~~702~~719.3388 0.00 0.00 0.00 B-4 297,000.00 ~~295~~293,~~872~~589.3713 1,~~138~~150.7246 0.00 0.00 0.00 B-5 296,000.00 ~~294~~292,~~876~~600.1661 1,~~134~~146.8959 0.00 0.00 0.00 B-6 149,276.51 ~~148~~147,~~709~~562.8021 ~~572~~578.3424 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 403,572,520.46 ~~401~~395,~~872~~426,~~454~~891.6083 1,~~538~~541,~~004~~217.0430 13,~~025~~364,~~413~~251.9259 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 ~~302~~292,~~412~~785.3729 6968,~~327~~335,~~326~~786.0828 0.~~99039037~~97622552 ~~302~~292,~~412~~785.3729 2-A-1 1813,~~323,034~~689.7749 ~~176~~174,~~345~~781,~~553~~089.5725 0.~~98864475~~97987391 1813,~~323,034~~689.7749 3-A-1 ~~141~~1,~~196~~208,639.1866 3431,~~728~~960,~~317~~963.2539 0.~~99223764~~91317038 ~~141~~1,~~196~~208,639.1866 4-A-1 ~~707~~2,~~306~~529,973.0169 1613,~~959~~640,~~922~~823.3770 0.~~93675351~~75342854 ~~707~~2,~~306~~529,973.0169 4-A-2 0.00 41,089,000.00 1.00000000 0.00 4-A-3 0.00 46,536,000.00 1.00000000 0.00 PO 7242,~~099~~829.3412 9,~~810~~700,~~197~~078.4145 0.~~98852180~~97742569 7242,~~099~~829.3412 AX 0.00 0.00 0.00000000 0.00 4-B-1 2,~~228~~252.2875 ~~584~~580,~~554~~049.7218 0.~~99245284~~98480336 2,~~228~~252.2875 4-B-2 ~~809~~818.5949 ~~212~~210,~~384~~747.9192 0.~~99245285~~98480336 ~~809~~818.5949 4-B-3 ~~730~~738.1517 ~~191~~190,~~543~~067.4005 0.~~99245285~~98480337 ~~730~~738.1517 4-B-4 ~~442~~447.6349 ~~116~~115,~~116~~221.9899 0.~~99245282~~98480333 ~~442~~447.6349 4-B-5 ~~446~~451.4131 ~~117~~116,~~109~~206.4380 0.~~99245280~~98480339 ~~446~~451.4131 4-B-6 ~~204~~206.4267 53,~~627~~214.8046 0.~~99245276~~98480336 ~~204~~206.4267 B-1 5,~~682~~740.0967 1,~~470~~459,~~691~~239.1243 0.~~99236918~~98464199 5,~~682~~740.0967 B-2 2,~~277~~300.4492 ~~589~~584,~~467~~877.2934 0.~~99236918~~98464199 2,~~277~~300.4492 B-3 1,~~702~~719.3388 ~~440~~437,~~611~~181.9104 0.~~99236917~~98464198 1,~~702~~719.3388 B-4 1,~~138~~150.7246 ~~294~~292,~~733~~438.6567 0.~~99236919~~98464199 1,~~138~~150.7246 B-5 1,~~134~~146.8959 ~~293~~291,~~741~~454.2803 0.~~99236919~~98464199 1,~~134~~146.8959 B-6 ~~572~~578.3424 ~~148~~146,~~137~~983.4697 0.~~99236953~~98464233 ~~572~~578.3424 A-LR 0.00 0.00 0.00000000 0.00 A-UR 0.00 0.00 0.00000000 0.00 Totals 24,~~563~~905,~~417~~468.9689 ~~399~~390,~~309~~521,~~036~~422.6395 0.~~98943564~~96766108 24,~~563~~905,~~417~~468.9689

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion 1-A-1 70,000,000.00 ~~994~~980.~~71054929~~40816514 3.~~87218614~~88564086 0.~~44799057~~29700614 0.00000000 2-A-1 178,371,000.00 ~~996~~984.~~06207478~~43569156 3.~~82043410~~84393130 30.~~59688582~~71785004 0.00000000 3-A-1 35,000,000.00 ~~996~~947.~~27181257~~70294429 3.~~71910743~~60593400 030.~~31506914~~92662771 0.00000000 4-A-1 18,105,000.00 ~~975~~893.~~82040210~~16748964 22.~~08457940~~17920409 16117.~~98230875~~55974593 0.00000000 4-A-2 41,089,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 4-A-3 46,536,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 PO 9,924,108.33 ~~995~~981.~~78686784~~74135610 3.~~84084884~~85553530 30.~~42422098~~46012799 0.00000000 AX 0.00 0.00000000 0.00000000 0.00000000 0.00000000 4-B-1 589,000.00 ~~996~~988.~~23597623~~62806452 3.~~78315789~~82470289 0.00000000 0.00000000 4-B-2 214,000.00 ~~996~~988.~~23598131~~62808411 3.~~78313084~~82471963 0.00000000 0.00000000 4-B-3 193,000.00 ~~996~~988.~~23595855~~62808290 3.~~78316062~~82471503 0.00000000 0.00000000 4-B-4 117,000.00 ~~996~~988.~~23598291~~62803419 3.~~78316239~~82470085 0.00000000 0.00000000 4-B-5 118,000.00 ~~996~~988.~~23601695~~62805085 3.~~78313559~~82466102 0.00000000 0.00000000 4-B-6 54,035.62 ~~996~~988.~~23600136~~62805683 3.~~78306014~~82469934 0.00000000 0.00000000 B-1 1,482,000.00 ~~996~~988.~~20325236~~51558704 3.~~83406883~~87359649 0.00000000 0.00000000 B-2 594,000.00 ~~996~~988.~~20324916~~51558923 3.~~83407407~~87360269 0.00000000 0.00000000 B-3 444,000.00 ~~996~~988.~~20324324~~51558559 3.~~83407658~~87360360 0.00000000 0.00000000 B-4 297,000.00 ~~996~~988.~~20326599~~51558923 3.~~83407407~~87360269 0.00000000 0.00000000 B-5 296,000.00 ~~996~~988.~~20324324~~51557432 3.~~83408784~~87361486 0.00000000 0.00000000 B-6 149,276.51 ~~996~~988.~~20362239~~51594266 3.~~83409285~~87361682 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-A-1 0.00000000 4.~~32017671~~18264700 ~~990~~976.~~39037257~~22551829 0.~~99039037~~97622552 4.~~32017671~~18264700 2-A-1 0.00000000 74.~~41731991~~56178129 ~~988~~979.~~64475486~~87391028 0.~~98864475~~97987391 74.~~41731991~~56178129 3-A-1 0.00000000 434.~~03417657~~53256171 ~~992~~913.~~23763571~~17038257 0.~~99223764~~91317038 434.~~03417657~~53256171 4-A-1 0.00000000 39139.~~06688815~~73895001 ~~936~~753.~~75351395~~42853908 0.~~93675351~~75342854 39139.~~06688815~~73895001 4-A-2 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 4-A-3 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 PO 0.00000000 74.~~26506983~~31566430 ~~988~~977.~~52179801~~42569181 0.~~98852180~~97742569 74.~~26506983~~31566430 AX 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 4-B-1 0.00000000 3.~~78315789~~82470289 ~~992~~984.~~45283531~~80336163 0.~~99245284~~98480336 3.~~78315789~~82470289 4-B-2 0.00000000 3.~~78313084~~82471963 ~~992~~984.~~45285047~~80336449 0.~~99245285~~98480336 3.~~78313084~~82471963 4-B-3 0.00000000 3.~~78316062~~82471503 ~~992~~984.~~45284974~~80336788 0.~~99245285~~98480337 3.~~78316062~~82471503 4-B-4 0.00000000 3.~~78316239~~82470085 ~~992~~984.~~45282051~~80333333 0.~~99245282~~98480333 3.~~78316239~~82470085 4-B-5 0.00000000 3.~~78313559~~82466102 ~~992~~984.~~45279661~~80338983 0.~~99245280~~98480339 3.~~78313559~~82466102 4-B-6 0.00000000 3.~~78306014~~82469934 ~~992~~984.~~45275616~~80335749 0.~~99245276~~98480336 3.~~78306014~~82469934 B-1 0.00000000 3.~~83406883~~87359649 ~~992~~984.~~36917679~~64199055 0.~~99236918~~98464199 3.~~83406883~~87359649 B-2 0.00000000 3.~~83407407~~87360269 ~~992~~984.~~36917508~~64198653 0.~~99236918~~98464199 3.~~83407407~~87360269 B-3 0.00000000 3.~~83407658~~87360360 ~~992~~984.~~36916667~~64198198 0.~~99236917~~98464198 3.~~83407658~~87360360 B-4 0.00000000 3.~~83407407~~87360269 ~~992~~984.~~36919192~~64198653 0.~~99236919~~98464199 3.~~83407407~~87360269 B-5 0.00000000 3.~~83408784~~87361486 ~~992~~984.~~36918919~~64199324 0.~~99236919~~98464199 3.~~83408784~~87361486 B-6 0.00000000 3.~~83409285~~87361682 ~~992~~984.~~36952954~~64232584 0.~~99236953~~98464233 3.~~83409285~~87361682 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-A-1 70,000,000.00 4.75000% 6968,~~629~~628,~~738~~571.4556 ~~275~~271,~~617~~654.7176 0.00 0.00 2-A-1 178,371,000.00 5.00000% ~~177~~175,~~668~~594,~~588~~778.3474 ~~740~~731,~~285~~644.7891 0.00 0.00 3-A-1 35,000,000.00 5.25000% 3433,~~869~~169,~~513~~603.4405 ~~152~~145,~~554~~117.1201 0.00 0.00 4-A-1 18,105,000.00 4.~~90464~~89933% 1716,~~667~~170,~~228~~797.3840 7266,~~209~~021.4480 0.00 0.00 4-A-2 41,089,000.00 4.~~90464~~89933% 41,089,000.00 167,~~938~~757.8432 0.00 0.00 4-A-3 46,536,000.00 4.~~90464~~89933% 46,536,000.00 ~~190~~189,~~201~~996.8022 0.00 0.00 PO 9,924,108.33 0.00000% 9,~~882~~742,~~296~~907.7557 0.00 0.00 0.00 AX 0.00 5.00000% ~~466~~463,~~759~~304.5605 1,~~944~~930.8343 0.00 0.00 4-B-1 589,000.00 4.~~90464~~89933% ~~586~~582,~~782~~301.9993 2,~~398~~377.3041 0.00 0.00 4-B-2 214,000.00 4.~~90464~~89933% ~~213~~211,~~194~~566.5041 ~~871~~863.3778 0.00 0.00 4-B-3 193,000.00 4.~~90464~~89933% ~~192~~190,~~273~~805.5422 ~~785~~779.8602 0.00 0.00 4-B-4 117,000.00 4.~~90464~~89933% ~~116~~115,~~559~~669.6148 ~~476~~472.4025 0.00 0.00 4-B-5 118,000.00 4.~~90464~~89933% ~~117~~116,~~555~~658.8511 ~~480~~476.4729 0.00 0.00 4-B-6 54,035.62 4.~~90464~~89933% 53,~~832~~421.2313 ~~220~~218.0211 0.00 0.00 B-1 1,482,000.00 4.~~92543~~92544% 1,~~476~~464,~~373~~980.2210 6,~~059~~013.8106 0.00 0.00 B-2 594,000.00 4.~~92543~~92544% ~~591~~587,~~744~~178.7326 2,~~428~~410.8309 0.00 0.00 B-3 444,000.00 4.~~92543~~92544% ~~442~~438,~~314~~900.2492 1,~~815~~801.4948 0.00 0.00 B-4 297,000.00 4.~~92543~~92544% ~~295~~293,~~872~~589.3713 1,~~214~~205.4105 0.00 0.00 B-5 296,000.00 4.~~92543~~92544% ~~294~~292,~~876~~600.1661 1,~~210~~200.3399 0.00 0.00 B-6 149,276.51 4.~~92543~~92544% ~~148~~147,~~709~~562.8021 ~~610~~605.3867 0.00 0.00 A-LR 50.00 4.75000% 0.00 0.00 0.00 0.00 A-UR 50.00 4.75000% 0.00 0.00 0.00 0.00 Totals 403,572,520.46 1,~~619~~592,~~324~~545.1965 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 ~~275~~271,~~617~~654.7176 0.00 6968,~~327~~335,~~326~~786.0828 2-A-1 0.00 0.00 ~~740~~731,~~285~~644.7891 0.00 ~~176~~174,~~345~~781,~~553~~089.5725 3-A-1 0.00 0.00 ~~152~~145,~~554~~117.1201 0.00 3431,~~728~~960,~~317~~963.2539 4-A-1 0.00 0.00 7266,~~209~~021.4480 0.00 1613,~~959~~640,~~922~~823.3770 4-A-2 0.00 0.00 167,~~938~~757.8432 0.00 41,089,000.00 4-A-3 0.00 0.00 ~~190~~189,~~201~~996.8022 0.00 46,536,000.00 PO 0.00 0.00 0.00 0.00 9,~~810~~700,~~197~~078.4145 AX 0.00 0.00 1,~~944~~930.8343 0.00 ~~465~~424,~~074~~261.2488 4-B-1 0.00 0.00 2,~~398~~377.3041 0.00 ~~584~~580,~~554~~049.7218 4-B-2 0.00 0.00 ~~871~~863.3778 0.00 ~~212~~210,~~384~~747.9192 4-B-3 0.00 0.00 ~~785~~779.8602 0.00 ~~191~~190,~~543~~067.4005 4-B-4 0.00 0.00 ~~476~~472.4025 0.00 ~~116~~115,~~116~~221.9899 4-B-5 0.00 0.00 ~~480~~476.4729 0.00 ~~117~~116,~~109~~206.4380 4-B-6 0.00 0.00 ~~220~~218.0211 0.00 53,~~627~~214.8046 B-1 0.00 0.00 6,~~059~~013.8106 0.00 1,~~470~~459,~~691~~239.1243 B-2 0.00 0.00 2,~~428~~410.8309 0.00 ~~589~~584,~~467~~877.2934 B-3 0.00 0.00 1,~~815~~801.4948 0.00 ~~440~~437,~~611~~181.9104 B-4 0.00 0.00 1,~~214~~205.4105 0.00 ~~294~~292,~~733~~438.6567 B-5 0.00 0.00 1,~~210~~200.3399 0.00 ~~293~~291,~~741~~454.2803 B-6 0.00 0.00 ~~610~~605.3867 0.00 ~~148~~146,~~137~~983.4697 A-LR 0.00 0.00 0.00 0.00 0.00 A-UR 0.00 0.00 0.30 0.00 0.00 Totals 0.00 0.00 1,~~619~~592,~~324~~545.4995 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 70,000,000.00 4.75000% ~~994~~980.~~71054929~~40816514 3.~~93739586~~88078229 0.00000000 0.00000000 2-A-1 178,371,000.00 5.00000% ~~996~~984.~~06207478~~43569156 4.~~15025862~~10181537 0.00000000 0.00000000 3-A-1 35,000,000.00 5.25000% ~~996~~947.~~27181257~~70294429 4.~~35868914~~14620029 0.00000000 0.00000000 4-A-1 18,105,000.00 4.~~90464~~89933% ~~975~~893.~~82040210~~16748964 3.~~98837006~~64660591 0.00000000 0.00000000 4-A-2 41,089,000.00 4.~~90464~~89933% 1000.00000000 4.~~08719706~~08277933 0.00000000 0.00000000 4-A-3 46,536,000.00 4.~~90464~~89933% 1000.00000000 4.~~08719701~~08277935 0.00000000 0.00000000 PO 9,924,108.33 0.00000% ~~995~~981.~~78686784~~74135610 0.00000000 0.00000000 0.00000000 AX 0.00 5.00000% ~~996~~989.~~46663477~~08960232 4.~~15194111~~12119912 0.00000000 0.00000000 4-B-1 589,000.00 4.~~90464~~89933% ~~996~~988.~~23597623~~62806452 4.~~07181664~~03634975 0.00000000 0.00000000 4-B-2 214,000.00 4.~~90464~~89933% ~~996~~988.~~23598131~~62808411 4.~~07182243~~03635514 0.00000000 0.00000000 4-B-3 193,000.00 4.~~90464~~89933% ~~996~~988.~~23595855~~62808290 4.~~07181347~~03637306 0.00000000 0.00000000 4-B-4 117,000.00 4.~~90464~~89933% ~~996~~988.~~23598291~~62803419 4.~~07179487~~03632479 0.00000000 0.00000000 4-B-5 118,000.00 4.~~90464~~89933% ~~996~~988.~~23601695~~62805085 4.~~07177966~~03635593 0.00000000 0.00000000 4-B-6 54,035.62 4.~~90464~~89933% ~~996~~988.~~23600136~~62805683 4.~~07175859~~03641154 0.00000000 0.00000000 B-1 1,482,000.00 4.~~92543~~92544% ~~996~~988.~~20325236~~51558704 4.~~08894062~~05739541 0.00000000 0.00000000 B-2 594,000.00 4.~~92543~~92544% ~~996~~988.~~20324916~~51558923 4.~~08893939~~05739057 0.00000000 0.00000000 B-3 444,000.00 4.~~92543~~92544% ~~996~~988.~~20324324~~51558559 4.~~08894144~~05738739 0.00000000 0.00000000 B-4 297,000.00 4.~~92543~~92544% ~~996~~988.~~20326599~~51558923 4.~~08892256~~05740741 0.00000000 0.00000000 B-5 296,000.00 4.~~92543~~92544% ~~996~~988.~~20324324~~51557432 4.~~08895270~~05739865 0.00000000 0.00000000 B-6 149,276.51 4.~~92543~~92544% ~~996~~988.~~20362239~~51594266 4.~~08892196~~05736978 0.00000000 0.00000000 A-LR 50.00 4.75000% 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 50.00 4.75000% 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-A-1 0.00000000 0.00000000 3.~~93739586~~88078229 0.00000000 ~~990~~976.~~39037257~~22551829 2-A-1 0.00000000 0.00000000 4.~~15025862~~10181537 0.00000000 ~~988~~979.~~64475486~~87391028 3-A-1 0.00000000 0.00000000 4.~~35868914~~14620029 0.00000000 ~~992~~913.~~23763571~~17038257 4-A-1 0.00000000 0.00000000 3.~~98837006~~64660591 0.00000000 ~~936~~753.~~75351395~~42853908 4-A-2 0.00000000 0.00000000 4.~~08719706~~08277933 0.00000000 1000.00000000 4-A-3 0.00000000 0.00000000 4.~~08719701~~08277935 0.00000000 1000.00000000 PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~988~~977.~~52179801~~42569181 AX 0.00000000 0.00000000 4.~~15194111~~12119912 0.00000000 ~~992~~905.~~86871136~~74000847 4-B-1 0.00000000 0.00000000 4.~~07181664~~03634975 0.00000000 ~~992~~984.~~45283531~~80336163 4-B-2 0.00000000 0.00000000 4.~~07182243~~03635514 0.00000000 ~~992~~984.~~45285047~~80336449 4-B-3 0.00000000 0.00000000 4.~~07181347~~03637306 0.00000000 ~~992~~984.~~45284974~~80336788 4-B-4 0.00000000 0.00000000 4.~~07179487~~03632479 0.00000000 ~~992~~984.~~45282051~~80333333 4-B-5 0.00000000 0.00000000 4.~~07177966~~03635593 0.00000000 ~~992~~984.~~45279661~~80338983 4-B-6 0.00000000 0.00000000 4.~~07175859~~03641154 0.00000000 ~~992~~984.~~45275616~~80335749 B-1 0.00000000 0.00000000 4.~~08894062~~05739541 0.00000000 ~~992~~984.~~36917679~~64199055 B-2 0.00000000 0.00000000 4.~~08893939~~05739057 0.00000000 ~~992~~984.~~36917508~~64198653 B-3 0.00000000 0.00000000 4.~~08894144~~05738739 0.00000000 ~~992~~984.~~36916667~~64198198 B-4 0.00000000 0.00000000 4.~~08892256~~05740741 0.00000000 ~~992~~984.~~36919192~~64198653 B-5 0.00000000 0.00000000 4.~~08895270~~05739865 0.00000000 ~~992~~984.~~36918919~~64199324 B-6 0.00000000 0.00000000 4.~~08892196~~05736978 0.00000000 ~~992~~984.~~36952954~~64232584 A-LR 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-UR 0.00000000 0.00000000 6.00000000 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-1 0.00000% 0.00 0.00 2,~~299~~268,~~013~~507.4512 2,~~289~~258,~~170~~757.8114 9997.~~06986998~~75363865% PO-2 0.00000% 0.00 0.00 7,~~224~~132,~~174~~153.1433 7,~~163~~100,~~334~~633.9052 9897.~~76398985~~89949886% PO-3 0.00000% 0.00 0.00 ~~359~~342,~~109~~247.1512 ~~357~~340,~~691~~687.7079 9994.~~23122452~~51398112% AX-1 5.00000% ~~918~~910.7823 ~~915~~907.9485 0.00 0.00 9998.~~09231552~~21708697% AX-2 5.00000% ~~465~~462,~~840~~393.7781 ~~464~~423,~~158~~354.3002 0.00 0.00 9990.~~28725581~~55888666%

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal 46,~~238~~567,~~473~~761.9524 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 2812,~~032~~674.4534 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 46,~~266~~580,~~506~~435.4058 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 8382,~~763~~420.9574 Payment of Interest and Principal 46,~~182~~498,~~742~~014.4584 Total Withdrawals (Pool Distribution Amount) 46,~~266~~580,~~506~~435.4058 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee 8382,~~647~~305.3516 Master Servicing Fee ~~102~~101.2232 WMMSC Master Servicing Fee 14.3826 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 8382,~~763~~420.9574

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 63 0 0 0 6 3 1,~~590~~587,~~917~~369.9378 0.00 0.00 0.00 31,~~590~~587,~~917~~369.9378 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 63 0 0 0 6 3 1,~~590~~587,~~917~~369.9378 0.00 0.00 0.00 31,~~590~~587,~~917~~369.9378 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.~~770218~~389610% 0.000000% 0.000000% 0.000000% 0.~~770218~~389610% 0.~~896722~~405247% 0.000000% 0.000000% 0.000000% 0.~~896722~~405247% 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.~~770218~~389610% 0.000000% 0.000000% 0.000000% 0.~~770218~~389610% 0.~~896722~~405247% 0.000000% 0.000000% 0.000000% 0.~~896722~~405247%

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 32 0 0 0 32 1895,~~560,052~~017.7346 0.00 0.00 0.00 1895,~~560,052~~017.7346 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 32 0 0 0 32 1895,~~560,052~~017.7346 0.00 0.00 0.00 1895,~~560,052~~017.7346 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~837989~~558659% 0.000000% 0.000000% 0.000000% 0.~~837989~~558659% 0.~~839855~~486052% 0.000000% 0.000000% 0.000000% 0.~~839855~~486052% 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.~~837989~~558659% 0.000000% 0.000000% 0.000000% 0.~~837989~~558659% 0.~~839855~~486052% 0.000000% 0.000000% 0.000000% 0.~~839855~~486052% 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 01 0 0 0 01 0692,352.0032 0.00 0.00 0.00 0692,352.0032 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 0692,352.0032 0.00 0.00 0.00 0692,352.0032 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 01.~~000000~~470588% 0.000000% 0.000000% 0.000000% 01.~~000000~~470588% 02.~~000000~~119095% 0.000000% 0.000000% 0.000000% 02.~~000000~~119095% 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.~~000000~~470588% 0.000000% 0.000000% 0.000000% 01.~~000000~~470588% 02.~~000000~~119095% 0.000000% 0.000000% 0.000000% 02.~~000000~~119095% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 4 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 30 0 0 0 30 ~~2,030,865~~0.2000 0.00 0.00 0.00 ~~2,030,865~~0.2000 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 30 0 0 0 30 ~~2,030,865~~0.2000 0.00 0.00 0.00 ~~2,030,865~~0.2000 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 10.~~435407~~000000% 0.000000% 0.000000% 0.000000% 10.~~435407~~000000% 10.~~912931~~000000% 0.000000% 0.000000% 0.000000% 10.~~912931~~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 10.~~435407~~000000% 0.000000% 0.000000% 0.000000% 10.~~435407~~000000% 10.~~912931~~000000% 0.000000% 0.000000% 0.000000% 10.~~912931~~000000%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 2812,~~032~~674.4534

COLLATERAL STATEMENT Collateral Description Fixed 15 Year Ratio Strip Weighted Average Gross Coupon 5.~~085459~~083013% Weighted Average Pass-Through Rate 4.~~835338~~832891% Weighted Average Maturity(Stepdown Calculation ) ~~176~~174 Beginning Scheduled Collateral Loan Count ~~780~~775 Number Of Loans Paid In Full 15 Ending Scheduled Collateral Loan Count ~~779~~770 Beginning Scheduled Collateral Balance ~~401~~395,~~872~~426,~~454~~891.5478 Ending Scheduled Collateral Balance ~~399~~390,~~309~~521,~~036~~422.5890 Ending Actual Collateral Balance at 31-~~Aug~~Oct-2004 ~~400~~391,~~449~~703,~~309~~912.6009 Monthly P &I Constant 3,~~241~~216,~~092~~183.3486 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 46,~~002~~376,~~602~~381.5048 Class AP Deferred Amount 0.00 Scheduled Principal 1,~~538~~541,~~004~~217.0329 Unscheduled Principal 13,~~025~~364,~~413~~251.9359

Group Level Collateral Statement Group 1 2 3 Collateral Description Fixed 15 Year Ratio Strip Fixed 15 Year Ratio Strip Fixed 15 Year Ratio Strip Weighted Average Coupon Rate 4.~~850863~~850717 5.~~056687~~056896 5.~~512501~~515245 Weighted Average Net Rate 4.~~602111~~601972 4.~~806687~~806896 5.~~262501~~265245 Weighted Average Maturity ~~176~~174 ~~176~~174 ~~176~~174 Beginning Loan Count ~~140~~139 ~~359~~358 7270 Loans Paid In Full 0 1 0 2 Ending Loan Count ~~140~~139 358 7268 Beginning Scheduled Balance 7372,~~180~~138,~~121~~682.9602 ~~186~~184,~~609~~430,~~342~~309.0159 3533,~~510~~791,~~563~~680.4749 Ending scheduled Balance 7271,~~862~~831,~~995~~225.6492 ~~185~~183,~~218~~578,~~883~~449.9910 3532,~~366~~580,~~897~~416.3477 Record Date 0810/31/2004 0810/31/2004 0810/31/2004 Principal And Interest Constant ~~580~~577,~~715~~527.9780 1,~~502~~497,~~203~~458.2751 ~~295~~283,~~685~~877.16 Scheduled Principal ~~284~~285,~~893~~924.6619 ~~715~~720,~~849~~254.1141 ~~132~~128,~~558~~569.4732 Unscheduled Principal 3221,~~232~~531.6691 ~~674~~131,~~608~~606.9108 111,~~107~~082,694.6640 Scheduled Interest ~~295~~291,~~822~~603.3161 ~~786~~777,~~354~~204.1610 ~~163~~155,~~126~~307.6984 Servicing Fees 1514,~~169~~953.7845 38,~~876~~422.9598 7,~~398~~039.0393 Master Servicing Fees 6362.2464 38.9868 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 14.3826 0.00 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 ~~280~~276,~~574~~573.9126 ~~747~~738,~~438~~742.2344 ~~155~~148,~~728~~267.6691 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 4.~~600838~~600693 4.~~806436~~806644 5.~~262501~~265245

Group Level Collateral Statement Group 4 Total Collateral Description Fixed 15 Year Fixed 15 Year Ratio Strip Weighted Average Coupon Rate 5.~~154637~~149336 5.~~085459~~083013 Weighted Average Net Rate 4.~~904637~~899336 4.~~835686~~833242 Weighted Average Maturity ~~176~~174 ~~176~~174 Beginning Loan Count ~~209~~208 ~~780~~775 Loans Paid In Full 03 15 Ending Loan Count ~~209~~205 ~~779~~770 Beginning Scheduled Balance ~~106~~105,~~572~~066,~~427~~219.1068 ~~401~~395,~~872~~426,~~454~~891.5478 Ending scheduled Balance ~~105~~102,~~860~~531,~~259~~331.6111 ~~399~~390,~~309~~521,~~036~~422.5890 Record Date 0810/31/2004 0810/31/2004 Principal And Interest Constant ~~862~~857,~~487~~320.9439 3,~~241~~216,~~092~~183.3486 Scheduled Principal ~~404~~406,~~702~~469.7937 1,~~538~~541,~~004~~217.0329 Unscheduled Principal ~~307~~2,~~464~~128,419.7020 13,~~025~~364,~~413~~251.9359 Scheduled Interest ~~457~~450,~~785~~851.1502 1,~~703~~674,~~088~~966.3157 Servicing Fees 2221,~~202~~888.5980 8382,~~647~~305.3516 Master Servicing Fees 0.00 ~~102~~101.2232 Trustee Fee 0.00 0.00 FRY Amount 0.00 0.00 Special Hazard Fee 0.00 0.00 Other Fee 0.00 14.3826 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 ~~435~~428,~~582~~962.5622 1,~~619~~592,~~324~~545.3683 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 4.~~904637~~899336 4.~~835338~~832891

Filing Compare · MASTR Asset Securitization Trust 2004-8